/* roulang page: index */
:root {
            --primary-red: #E31B23;
            --primary-red-dark: #B3121A;
            --primary-red-light: #D71920;
            --accent-yellow: #C8FF00;
            --accent-gold: #F5A623;
            --data-blue: #2D9CDB;
            --cool-gray: #8A94A6;
            --midnight: #0D1117;
            --dark-charcoal: #161B22;
            --dark-surface: #1C2128;
            --bg-cool: #F5F7FA;
            --border-light: #E5E7EB;
            --border-input: #D1D5DB;
            --text-primary: #1A1D23;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --text-light: #9AA3B2;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --shadow-red-glow: 0 0 0 3px rgba(227, 27, 35, 0.15);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --sidebar-width: 260px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-numeric: "Barlow Condensed", "DIN Alternate", "Roboto Condensed", "Oswald", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-cool);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        /* ===== 左侧导航 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--midnight);
            z-index: 100;
            display: flex;
            flex-direction: column;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform 0.32s ease;
        }

        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .sidebar-logo a:hover {
            color: var(--primary-red);
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--white);
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            width: 22px;
            height: 3px;
            background: var(--white);
            border-radius: 2px;
            transform: rotate(-35deg);
            left: 6px;
            top: 15px;
        }

        .nav-list {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .nav-list::-webkit-scrollbar {
            width: 4px;
        }

        .nav-list::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
            margin-bottom: 4px;
            position: relative;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .nav-item:hover {
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
        }

        .nav-item.active {
            color: var(--white);
            background: var(--primary-red);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.4);
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -12px;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary-red);
            border-radius: 0 2px 2px 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-footer a {
            color: var(--text-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .sidebar-footer a:hover {
            color: var(--primary-red);
        }

        .sidebar-footer .rss-link i {
            font-size: 14px;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--midnight);
            z-index: 90;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-header .hamburger {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .mobile-header .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--white);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .mobile-header .mobile-brand {
            color: var(--white);
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .mobile-brand .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
            border-radius: 6px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 95;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        .drawer-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: var(--midnight);
            z-index: 96;
            transform: translateX(-100%);
            transition: transform 0.32s ease;
            display: flex;
            flex-direction: column;
            padding: 0;
            overflow-y: auto;
        }

        .drawer-menu.open {
            transform: translateX(0);
        }

        .drawer-menu .drawer-logo {
            padding: 20px 20px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 19px;
        }

        .drawer-menu .nav-item {
            color: var(--text-light);
            font-size: 16px;
            padding: 13px 18px;
            border-radius: 0;
            margin-bottom: 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .drawer-menu .nav-item.active {
            background: var(--primary-red);
            color: var(--white);
        }

        .drawer-menu .nav-item.active::before {
            display: none;
        }

        .drawer-menu .drawer-footer {
            margin-top: auto;
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .drawer-menu .drawer-footer a {
            color: var(--text-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== 通用容器 ===== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-red);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .section-tag::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--primary-red);
            border-radius: 1px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }

        /* ===== Hero 矮版 ===== */
        .hero-section {
            position: relative;
            background: var(--midnight);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.3;
            z-index: 0;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.92) 0%, rgba(13, 17, 23, 0.75) 40%, rgba(227, 27, 35, 0.45) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 56px 0 52px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text-wrap {
            max-width: 620px;
        }

        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-yellow);
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .hero-label::before {
            content: "";
            width: 8px;
            height: 8px;
            background: var(--accent-yellow);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .hero-title {
            font-size: 34px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            color: var(--primary-red-light);
            position: relative;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 24px;
            max-width: 560px;
            font-weight: 400;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-bottom: 20px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-red);
            color: var(--white);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--primary-red);
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--primary-red-dark);
            border-color: var(--primary-red-dark);
            box-shadow: 0 8px 24px rgba(227, 27, 35, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 4px 12px rgba(227, 27, 35, 0.25);
        }

        .btn-primary:focus-visible {
            box-shadow: var(--shadow-red-glow);
            outline: 2px solid var(--primary-red);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--white);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
        }

        .btn-secondary:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--white);
            outline-offset: 2px;
        }

        .hero-quick-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-family: var(--font-numeric);
            font-size: 22px;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
        }

        .hero-stat-value .accent {
            color: var(--accent-gold);
        }

        .hero-stat-label {
            font-size: 12px;
            color: var(--text-light);
            letter-spacing: 0.5px;
        }

        /* Hero 右侧短视频竖屏卡片 */
        .hero-vertical-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3 / 3.6;
            max-width: 320px;
            margin-left: auto;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: var(--dark-charcoal);
        }

        .hero-vertical-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .hero-vertical-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 17, 23, 0.85) 0%, rgba(13, 17, 23, 0.3) 50%, rgba(13, 17, 23, 0.1) 100%);
            z-index: 2;
        }

        .hero-vertical-card .card-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 18px 16px;
            z-index: 3;
        }

        .hero-vertical-card .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--primary-red);
            color: var(--white);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .hero-vertical-card .live-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--white);
            border-radius: 50%;
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        .hero-vertical-card .match-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 4px;
            line-height: 1.35;
        }

        .hero-vertical-card .match-score {
            font-family: var(--font-numeric);
            font-size: 30px;
            font-weight: 900;
            color: var(--accent-gold);
            letter-spacing: 1px;
            margin-bottom: 4px;
        }

        .hero-vertical-card .match-info {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 场景演示 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scene-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            background: var(--dark-charcoal);
            aspect-ratio: 4 / 3;
        }

        .scene-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scene-visual .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(13, 17, 23, 0.6), rgba(13, 17, 23, 0.1));
            z-index: 2;
        }

        .scene-visual .scene-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            z-index: 3;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .scene-caption .tag-pill {
            background: rgba(13, 17, 23, 0.75);
            color: var(--white);
            font-size: 12px;
            font-weight: 500;
            padding: 5px 12px;
            border-radius: 20px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .scene-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .scene-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 18px;
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .scene-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(227, 27, 35, 0.25);
        }

        .scene-item-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(227, 27, 35, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-red);
            font-size: 17px;
            flex-shrink: 0;
        }

        .scene-item-text h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .scene-item-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== 焦点主题卡 ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 3 / 2.2;
            background: var(--dark-charcoal);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
            display: block;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .topic-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform 0.4s ease;
        }

        .topic-card:hover img {
            transform: scale(1.06);
        }

        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 17, 23, 0.85) 0%, rgba(13, 17, 23, 0.35) 60%, rgba(13, 17, 23, 0.1) 100%);
            z-index: 2;
            transition: background 0.3s ease;
        }

        .topic-card:hover .topic-overlay {
            background: linear-gradient(to top, rgba(227, 27, 35, 0.75) 0%, rgba(13, 17, 23, 0.45) 60%, rgba(13, 17, 23, 0.1) 100%);
        }

        .topic-card .topic-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px 18px;
            z-index: 3;
        }

        .topic-card .topic-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--accent-yellow);
            margin-bottom: 6px;
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .topic-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.5;
        }

        /* ===== 数据条 ===== */
        .stats-band {
            background: var(--dark-charcoal);
            border-top: 3px solid var(--primary-red);
            border-bottom: 3px solid var(--primary-red);
            padding: 40px 0;
        }

        .stats-band .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-block {
            text-align: center;
            padding: 14px 10px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }

        .stat-block:last-child {
            border-right: none;
        }

        .stat-number {
            font-family: var(--font-numeric);
            font-size: 40px;
            font-weight: 900;
            letter-spacing: 1px;
            color: var(--white);
            margin-bottom: 4px;
            line-height: 1;
        }

        .stat-number .stat-unit {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-left: 2px;
        }

        .stat-number .stat-red {
            color: var(--primary-red-light);
        }

        .stat-number .stat-blue {
            color: var(--data-blue);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            letter-spacing: 0.5px;
            font-weight: 500;
        }

        /* ===== 品牌介绍 ===== */
        .brand-intro {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-intro h3 i {
            color: var(--primary-red);
            font-size: 18px;
        }

        .brand-intro p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        /* ===== 表单 ===== */
        .form-section {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 32px 34px;
            box-shadow: var(--shadow-sm);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-input);
            background: var(--bg-cool);
            font-size: 15px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary-red);
            box-shadow: var(--shadow-red-glow);
            background: var(--white);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .news-card {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(227, 27, 35, 0.2);
        }

        .news-card .news-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--dark-charcoal);
        }

        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-card .news-thumb .news-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary-red);
            color: var(--white);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .news-card .news-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 7px;
            letter-spacing: 0.3px;
        }

        .news-card .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .news-card:hover .news-title {
            color: var(--primary-red);
        }

        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 12px;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-red);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .btn-read-more i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .btn-read-more:hover {
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .btn-read-more:hover i {
            transform: translateX(4px);
        }

        .btn-read-more:focus-visible {
            outline: 2px solid var(--primary-red);
            outline-offset: 3px;
            border-radius: 2px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(227, 27, 35, 0.2);
        }

        .faq-item.active {
            border-color: rgba(227, 27, 35, 0.35);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            transition: background var(--transition-fast);
            user-select: none;
        }

        .faq-question:hover {
            background: var(--bg-cool);
        }

        .faq-q-badge {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--primary-red);
            color: var(--white);
            font-weight: 800;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-question-text {
            flex: 1;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary-red);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 20px 60px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        /* ===== 隐私说明 ===== */
        .privacy-note {
            background: var(--bg-cool);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 24px 26px;
        }

        .privacy-note h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .privacy-note h3 i {
            color: var(--data-blue);
            font-size: 16px;
        }

        .privacy-note p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .privacy-note p:last-child {
            margin-bottom: 0;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--midnight);
            padding: 40px 0 28px;
            border-top: 3px solid var(--primary-red);
        }

        .footer-content {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: flex-start;
            margin-bottom: 24px;
        }

        .footer-brand {
            flex: 1;
            min-width: 200px;
        }

        .footer-brand .footer-logo {
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            display: flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 10px;
        }

        .footer-brand p {
            color: var(--text-light);
            font-size: 13px;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-links {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            color: var(--text-light);
            font-size: 13px;
            margin-bottom: 7px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary-red);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom p {
            color: var(--text-light);
            font-size: 13px;
        }

        .footer-bottom .beian-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .footer-bottom .beian-links a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .footer-bottom .beian-links a:hover {
            color: var(--primary-red);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .drawer-overlay {
                display: block;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 0 36px;
            }
            .hero-vertical-card {
                max-width: 260px;
                aspect-ratio: 3 / 3.4;
                margin-left: 0;
            }
            .hero-title {
                font-size: 28px;
            }
            .section-padding {
                padding: 52px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-band .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stat-block:nth-child(2) {
                border-right: none;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: 1;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .stats-band .container {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 32px;
            }
            .form-section {
                padding: 24px 20px;
            }
            .brand-intro {
                padding: 22px 20px;
            }
            .footer-content {
                flex-direction: column;
                gap: 20px;
            }
            .footer-links {
                gap: 24px;
            }
            .container {
                padding: 0 16px;
            }
            .faq-answer-inner {
                padding-left: 20px;
                padding-right: 20px;
            }
            .faq-question {
                padding: 15px 16px;
            }
        }

        @media (max-width: 520px) {
            .section-padding {
                padding: 36px 0;
            }
            .hero-title {
                font-size: 23px;
                letter-spacing: -0.2px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-secondary {
                justify-content: center;
            }
            .hero-vertical-card {
                max-width: 100%;
                aspect-ratio: 3 / 2.8;
            }
            .stats-band .container {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-block {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding-bottom: 16px;
            }
            .stat-block:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
            .stat-number {
                font-size: 28px;
            }
            .scene-item {
                padding: 13px 14px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-bottom .beian-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-red: #E31B23;
            --primary-red-dark: #B3121A;
            --primary-red-light: #D71920;
            --accent-yellow: #C8FF00;
            --accent-gold: #F5A623;
            --data-blue: #2D9CDB;
            --cool-gray: #8A94A6;
            --midnight: #0D1117;
            --dark-charcoal: #161B22;
            --dark-surface: #1C2128;
            --bg-cool: #F5F7FA;
            --border-light: #E5E7EB;
            --border-input: #D1D5DB;
            --text-primary: #1A1D23;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --text-light: #9AA3B2;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --shadow-red-glow: 0 0 0 3px rgba(227, 27, 35, 0.15);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --sidebar-width: 260px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-numeric: "Barlow Condensed", "DIN Alternate", "Roboto Condensed", "Oswald", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-cool);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--midnight);
            display: flex;
            flex-direction: column;
            z-index: 100;
            transition: transform 0.3s ease;
        }
        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }
        .sidebar-logo a:hover {
            color: var(--primary-red);
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--white);
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .logo-mark::after {
            content: "";
            position: absolute;
            width: 22px;
            height: 3px;
            background: var(--white);
            border-radius: 2px;
            transform: rotate(-35deg);
            left: 6px;
            top: 15px;
        }
        .nav-list {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }
        .nav-list::-webkit-scrollbar {
            width: 4px;
        }
        .nav-list::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
            margin-bottom: 4px;
            position: relative;
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .nav-item:hover {
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
        }
        .nav-item.active {
            color: var(--white);
            background: var(--primary-red);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.4);
        }
        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -12px;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary-red);
            border-radius: 0 2px 2px 0;
        }
        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-footer a {
            color: var(--text-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .sidebar-footer a:hover {
            color: var(--primary-red);
        }
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: var(--midnight);
            padding: 14px 16px;
            z-index: 99;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-header .brand-text {
            color: var(--white);
            font-weight: 700;
            font-size: 17px;
        }
        .hamburger {
            color: var(--white);
            font-size: 22px;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .hamburger:hover {
            color: var(--primary-red);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 98;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.active {
            opacity: 1;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 20px 0 0;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary-red);
        }
        .breadcrumb .sep {
            color: var(--cool-gray);
        }
        .breadcrumb .current {
            color: var(--primary-red);
            font-weight: 500;
        }
        .page-hero {
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.92), rgba(227, 27, 35, 0.65)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            margin: 20px 0 28px;
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 200px;
            height: 200px;
            background: rgba(200, 255, 0, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            color: var(--white);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            width: fit-content;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
        }
        .page-hero .hero-tag .live-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-yellow);
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }
        .page-hero h1 {
            color: var(--white);
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            max-width: 700px;
        }
        .page-hero .hero-sub {
            color: rgba(255, 255, 255, 0.82);
            font-size: 16px;
            line-height: 1.7;
            max-width: 640px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary-red);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-red-dark);
            box-shadow: 0 6px 20px rgba(227, 27, 35, 0.45);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(227, 27, 35, 0.3);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: var(--primary-red);
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 0;
            flex-wrap: wrap;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 28px;
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .filter-chip {
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 14px;
            color: var(--text-secondary);
            background: var(--white);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }
        .filter-chip.active {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
        }
        .content-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 28px;
            align-items: start;
            margin-bottom: 40px;
        }
        .card-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .news-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(227, 27, 35, 0.2);
        }
        .news-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .news-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .news-card .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 50%, rgba(13, 17, 23, 0.7));
        }
        .news-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .card-date i {
            font-size: 12px;
        }
        .news-card .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        .news-card:hover .card-title {
            color: var(--primary-red);
        }
        .news-card .card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-red);
            transition: all var(--transition-fast);
            width: fit-content;
        }
        .read-more i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }
        .read-more:hover {
            text-decoration: underline;
        }
        .read-more:hover i {
            transform: translateX(3px);
        }
        .sidebar-widget {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-widget h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-red);
            display: inline-block;
        }
        .hot-news-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
        }
        .hot-news-item:last-child {
            border-bottom: none;
        }
        .hot-news-item .hot-rank {
            font-family: var(--font-numeric);
            font-size: 22px;
            font-weight: 800;
            color: var(--primary-red);
            line-height: 1;
            min-width: 30px;
        }
        .hot-news-item .hot-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .hot-news-item .hot-title:hover {
            color: var(--primary-red);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag {
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-cool);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .tag:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.05);
        }
        .rss-widget-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            background: var(--bg-cool);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 14px;
            transition: all var(--transition-fast);
            margin-top: 10px;
        }
        .rss-widget-link:hover {
            background: rgba(227, 27, 35, 0.05);
            color: var(--primary-red);
        }
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            min-width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--white);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .pagination a:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }
        .pagination .current-page {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
        }
        .depth-section {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin: 20px 0 40px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .depth-section h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .depth-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .depth-section .depth-highlight {
            background: var(--bg-cool);
            border-left: 4px solid var(--primary-red);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.7;
        }
        .faq-section {
            margin: 40px 0;
        }
        .faq-section h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 24px;
            text-align: center;
            color: var(--text-primary);
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: rgba(227, 27, 35, 0.25);
        }
        .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--bg-cool);
        }
        .faq-question .faq-q-mark {
            color: var(--primary-red);
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary-red);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            padding-top: 4px;
            border-top: 1px solid var(--border-light);
        }
        .cta-section {
            background: var(--midnight);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            margin: 40px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(227, 27, 35, 0.15);
            border-radius: 50%;
            right: -80px;
            top: -80px;
            pointer-events: none;
        }
        .cta-section h2 {
            color: var(--white);
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            max-width: 500px;
            line-height: 1.7;
        }
        .footer {
            background: var(--midnight);
            color: var(--text-light);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer .container {
            padding: 0 24px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 19px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary-red);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }
        .footer-bottom p {
            color: var(--text-light);
            font-size: 13px;
        }
        .beian-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .beian-links a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }
        .beian-links a:hover {
            color: var(--primary-red);
        }
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.active {
                transform: translateX(0);
            }
            .drawer-overlay {
                display: block;
                pointer-events: none;
            }
            .drawer-overlay.active {
                pointer-events: auto;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 36px 24px;
                min-height: 220px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .card-list {
                grid-template-columns: 1fr;
            }
            .depth-section {
                padding: 24px 20px;
            }
            .cta-section {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-section p {
                margin: 0 auto;
            }
            .filter-bar {
                gap: 6px;
                padding: 12px 0;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 13px;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .beian-links {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .page-hero {
                padding: 28px 18px;
                min-height: 200px;
                border-radius: var(--radius-md);
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .page-hero .hero-sub {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 8px;
            }
            .btn {
                justify-content: center;
                font-size: 14px;
                padding: 10px 16px;
            }
            .news-card .card-title {
                font-size: 16px;
            }
            .depth-section h2 {
                font-size: 20px;
            }
            .faq-section h2 {
                font-size: 20px;
            }
            .container {
                padding: 0 16px;
            }
            .pagination a,
            .pagination span {
                min-width: 30px;
                height: 32px;
                padding: 0 8px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-red: #E31B23;
            --primary-red-dark: #B3121A;
            --primary-red-light: #D71920;
            --accent-yellow: #C8FF00;
            --accent-gold: #F5A623;
            --data-blue: #2D9CDB;
            --cool-gray: #8A94A6;
            --midnight: #0D1117;
            --dark-charcoal: #161B22;
            --dark-surface: #1C2128;
            --bg-cool: #F5F7FA;
            --border-light: #E5E7EB;
            --border-input: #D1D5DB;
            --text-primary: #1A1D23;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --text-light: #9AA3B2;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --shadow-red-glow: 0 0 0 3px rgba(227, 27, 35, 0.15);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --sidebar-width: 260px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-numeric: "Barlow Condensed", "DIN Alternate", "Roboto Condensed", "Oswald", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-cool);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ::selection {
            background: rgba(227, 27, 35, 0.18);
            color: var(--text-primary);
        }

        /* ===== 左侧导航 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--midnight);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform 0.3s ease;
        }
        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }
        .sidebar-logo a:hover {
            color: var(--primary-red);
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--white);
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .logo-mark::after {
            content: "";
            position: absolute;
            width: 22px;
            height: 3px;
            background: var(--white);
            border-radius: 2px;
            transform: rotate(-35deg);
            left: 6px;
            top: 15px;
        }
        .nav-list {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }
        .nav-list::-webkit-scrollbar {
            width: 4px;
        }
        .nav-list::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
            margin-bottom: 4px;
            position: relative;
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .nav-item:hover {
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
        }
        .nav-item.active {
            color: var(--white);
            background: var(--primary-red);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.4);
        }
        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -12px;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary-red);
            border-radius: 0 2px 2px 0;
        }
        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-footer a {
            color: var(--text-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .sidebar-footer a:hover {
            color: var(--primary-red);
        }
        .sidebar-footer .rss-link i {
            font-size: 14px;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--bg-cool);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 900;
            background: var(--midnight);
            padding: 14px 16px;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--white);
            font-weight: 700;
            font-size: 17px;
        }
        .mobile-header .mobile-logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
            border-radius: 6px;
        }
        .hamburger-btn {
            color: var(--white);
            font-size: 22px;
            padding: 4px 6px;
            transition: color var(--transition-fast);
        }
        .hamburger-btn:hover {
            color: var(--primary-red);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 950;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-overlay.visible {
            display: block;
            opacity: 1;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 18px 0 10px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary-red);
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--cool-gray);
        }
        .breadcrumb .current {
            color: var(--primary-red);
            font-weight: 500;
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(13, 17, 23, 0.92), rgba(227, 27, 35, 0.6)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 48px 40px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-lg);
        }
        .category-hero .hero-content {
            max-width: 720px;
        }
        .category-hero .tag {
            display: inline-block;
            background: rgba(200, 255, 0, 0.15);
            color: var(--accent-yellow);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.8px;
            margin-bottom: 14px;
            border: 1px solid rgba(200, 255, 0, 0.3);
        }
        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 .highlight {
            color: var(--accent-yellow);
        }
        .category-hero p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            max-width: 620px;
            margin-bottom: 22px;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stat {
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: var(--white);
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-hero .hero-stat i {
            color: var(--accent-gold);
            font-size: 13px;
        }
        .category-hero .hero-stat .num {
            font-family: var(--font-numeric);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-yellow);
        }

        /* ===== 筛选行 ===== */
        .filter-row {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-sm);
        }
        .filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .filter-select {
            padding: 7px 12px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-sm);
            background: var(--bg-cool);
            color: var(--text-secondary);
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .filter-select:focus {
            border-color: var(--primary-red);
            box-shadow: var(--shadow-red-glow);
        }
        .filter-btn {
            padding: 7px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            border: 1px solid var(--border-input);
            background: var(--white);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .filter-btn:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }
        .filter-btn.active {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
        }

        /* ===== 分类内容区 ===== */
        .category-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 28px;
            margin-bottom: 48px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(227, 27, 35, 0.2);
        }
        .news-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .card-img img {
            transform: scale(1.04);
        }
        .news-card .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.75);
            color: var(--accent-yellow);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            border: 1px solid rgba(200, 255, 0, 0.25);
        }
        .news-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .card-date i {
            font-size: 12px;
            color: var(--cool-gray);
        }
        .news-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }
        .news-card:hover h3 {
            color: var(--primary-red);
        }
        .news-card .card-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .news-card .read-more {
            color: var(--primary-red);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .news-card .read-more i {
            transition: transform var(--transition-fast);
        }
        .news-card .read-more:hover {
            text-decoration: underline;
        }
        .news-card .read-more:hover i {
            transform: translateX(4px);
        }

        /* ===== 右侧栏 ===== */
        .sidebar-right {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            box-shadow: var(--shadow-sm);
        }
        .side-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card h4 i {
            color: var(--primary-red);
            font-size: 15px;
        }
        .hot-news-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .hot-news-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .hot-news-item:first-child {
            padding-top: 0;
        }
        .hot-news-item .thumb {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .hot-news-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hot-news-item .info {
            flex: 1;
            min-width: 0;
        }
        .hot-news-item .info a {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .hot-news-item .info a:hover {
            color: var(--primary-red);
        }
        .hot-news-item .info .time {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            font-size: 12.5px;
            padding: 5px 12px;
            background: var(--bg-cool);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .tag-cloud a:hover {
            background: rgba(227, 27, 35, 0.08);
            border-color: rgba(227, 27, 35, 0.3);
            color: var(--primary-red);
        }
        .rss-info-box {
            background: var(--midnight);
            color: var(--white);
            border: none;
            border-radius: var(--radius-md);
            padding: 18px 16px;
        }
        .rss-info-box h4 {
            color: var(--white);
        }
        .rss-info-box p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .rss-info-box a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-yellow);
            font-size: 13px;
            font-weight: 600;
            transition: opacity var(--transition-fast);
        }
        .rss-info-box a:hover {
            opacity: 0.8;
        }

        /* ===== 深度内容区 ===== */
        .deep-content-section {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            margin-bottom: 48px;
            box-shadow: var(--shadow-sm);
        }
        .section-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title::before {
            content: "";
            width: 4px;
            height: 24px;
            background: var(--primary-red);
            border-radius: 2px;
        }
        .deep-content-section .deep-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .deep-content-section .deep-text strong {
            color: var(--text-primary);
        }
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 20px;
        }
        .deep-highlight {
            background: var(--bg-cool);
            border-radius: var(--radius-sm);
            padding: 16px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
            border-left: 3px solid var(--primary-red);
        }
        .deep-highlight i {
            color: var(--primary-red);
            margin-top: 3px;
            flex-shrink: 0;
        }
        .deep-highlight .highlight-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .deep-highlight .highlight-text strong {
            display: block;
            color: var(--text-primary);
            font-size: 15px;
            margin-bottom: 4px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-bottom: 48px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(227, 27, 35, 0.25);
        }
        .faq-question {
            padding: 16px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary-red);
        }
        .faq-question .q-mark {
            color: var(--primary-red);
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }
        .faq-question .arrow {
            margin-left: auto;
            color: var(--text-muted);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .arrow {
            transform: rotate(180deg);
            color: var(--primary-red);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 18px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 18px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }

        /* ===== CTA 表单 ===== */
        .cta-section {
            background: var(--midnight);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            margin-bottom: 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(227, 27, 35, 0.25);
            border-radius: 50%;
        }
        .cta-section .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            position: relative;
            z-index: 1;
            align-items: center;
        }
        .cta-section h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
        }
        .cta-form .form-group {
            margin-bottom: 14px;
        }
        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 6px;
        }
        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            font-size: 15px;
            transition: all var(--transition-fast);
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--primary-red);
            box-shadow: var(--shadow-red-glow);
            background: rgba(255, 255, 255, 0.12);
        }
        .cta-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .cta-form .submit-btn {
            background: var(--primary-red);
            color: var(--white);
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-form .submit-btn:hover {
            background: var(--primary-red-dark);
            box-shadow: 0 4px 16px rgba(227, 27, 35, 0.4);
        }
        .cta-form .submit-btn:active {
            transform: translateY(1px);
        }
        .privacy-hint {
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 8px;
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin: 32px 0 48px;
        }
        .pagination button,
        .pagination .page-num {
            padding: 8px 14px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--white);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
            min-width: 38px;
            text-align: center;
        }
        .pagination button:hover,
        .pagination .page-num:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }
        .pagination .page-num.active {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
            box-shadow: 0 4px 12px rgba(227, 27, 35, 0.3);
        }
        .pagination button:disabled {
            opacity: 0.45;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--midnight);
            color: var(--text-light);
            padding: 48px 0 24px;
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-content {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-light);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary-red);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
        }
        .footer-bottom .beian-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .category-layout {
                grid-template-columns: 1fr;
            }
            .sidebar-right {
                order: 3;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .cta-section .cta-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 32px 20px;
                min-height: 220px;
                border-radius: var(--radius-md);
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .category-hero .hero-stats {
                gap: 10px;
            }
            .category-hero .hero-stat {
                padding: 8px 10px;
                font-size: 12px;
            }
            .category-hero .hero-stat .num {
                font-size: 17px;
            }
            .filter-row {
                padding: 10px;
            }
            .news-card .card-body {
                padding: 14px 14px 16px;
            }
            .news-card h3 {
                font-size: 17px;
            }
            .deep-content-section {
                padding: 24px 16px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 14px;
            }
            .cta-section {
                padding: 28px 18px;
            }
            .cta-section h3 {
                font-size: 22px;
            }
            .pagination {
                gap: 4px;
                flex-wrap: wrap;
            }
            .pagination button,
            .pagination .page-num {
                padding: 6px 10px;
                font-size: 12.5px;
                min-width: 32px;
            }
            .footer {
                padding: 32px 0 18px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .tag {
                font-size: 11px;
                padding: 3px 8px;
            }
            .filter-group {
                width: 100%;
            }
            .filter-select {
                flex: 1;
                font-size: 13px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .footer-bottom .beian-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-red: #E31B23;
            --primary-red-dark: #B3121A;
            --primary-red-light: #D71920;
            --accent-yellow: #C8FF00;
            --accent-gold: #F5A623;
            --data-blue: #2D9CDB;
            --cool-gray: #8A94A6;
            --midnight: #0D1117;
            --dark-charcoal: #161B22;
            --dark-surface: #1C2128;
            --bg-cool: #F5F7FA;
            --border-light: #E5E7EB;
            --border-input: #D1D5DB;
            --text-primary: #1A1D23;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --text-light: #9AA3B2;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --shadow-red-glow: 0 0 0 3px rgba(227, 27, 35, 0.15);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --sidebar-width: 260px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-numeric: "Barlow Condensed", "DIN Alternate", "Roboto Condensed", "Oswald", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-cool);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ::selection {
            background: rgba(227, 27, 35, 0.25);
            color: var(--text-primary);
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            width: var(--sidebar-width);
            min-height: 100vh;
            background: var(--midnight);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 100;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
        }

        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .sidebar-logo a:hover {
            color: var(--primary-red);
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--white);
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            width: 22px;
            height: 3px;
            background: var(--white);
            border-radius: 2px;
            transform: rotate(-35deg);
            left: 6px;
            top: 15px;
        }

        .nav-list {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .nav-list::-webkit-scrollbar {
            width: 4px;
        }

        .nav-list::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
            margin-bottom: 4px;
            position: relative;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .nav-item:hover {
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
        }

        .nav-item.active {
            color: var(--white);
            background: var(--primary-red);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.4);
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -12px;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary-red);
            border-radius: 0 2px 2px 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex-shrink: 0;
        }

        .sidebar-footer a {
            color: var(--text-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .sidebar-footer a:hover {
            color: var(--primary-red);
        }

        .sidebar-footer .rss-link i {
            font-size: 14px;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            background: var(--midnight);
            padding: 12px 16px;
            align-items: center;
            gap: 12px;
            position: sticky;
            top: 0;
            z-index: 90;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .hamburger {
            color: var(--white);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-header .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-header .brand {
            color: var(--white);
            font-weight: 700;
            font-size: 17px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 95;
        }

        .mobile-overlay.open {
            display: block;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 24px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary-red);
        }

        .breadcrumb .separator {
            color: var(--cool-gray);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--primary-red);
            font-weight: 600;
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            background: var(--midnight);
            padding: 48px 24px 40px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.92), rgba(227, 27, 35, 0.65));
            z-index: 1;
        }

        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 1100px;
        }

        .category-hero .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-yellow);
            color: var(--midnight);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .category-hero h1 .accent {
            color: var(--accent-gold);
        }

        .category-hero .subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .category-hero .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .category-hero .hero-stat .stat-value {
            font-family: var(--font-numeric);
            font-size: 32px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.1;
        }

        .category-hero .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-light);
            letter-spacing: 0.5px;
        }

        /* ===== 筛选排序行 ===== */
        .filter-bar {
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .filter-bar .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
            white-space: nowrap;
        }

        .filter-bar .filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-bar .filter-btn {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-cool);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-bar .filter-btn:hover {
            color: var(--primary-red);
            border-color: var(--primary-red);
        }

        .filter-bar .filter-btn.active {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
            font-weight: 600;
        }

        .filter-bar .sort-select {
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-input);
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--white);
            cursor: pointer;
            margin-left: auto;
        }

        /* ===== 主列表区 ===== */
        .main-area {
            padding: 32px 24px 48px;
            max-width: 1100px;
            width: 100%;
            margin: 0 auto;
        }

        .main-area .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .main-area .section-title::before {
            content: "";
            width: 4px;
            height: 24px;
            background: var(--primary-red);
            border-radius: 2px;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .news-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(227, 27, 35, 0.3);
        }

        .news-card .card-image {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

        .news-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .card-image img {
            transform: scale(1.04);
        }

        .news-card .card-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 50%, rgba(13, 17, 23, 0.55));
            pointer-events: none;
        }

        .news-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card .card-date {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .card-date i {
            font-size: 11px;
            color: var(--primary-red);
        }

        .news-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

        .news-card:hover .card-title {
            color: var(--primary-red);
        }

        .news-card .card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-red);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .read-more i {
            transition: transform var(--transition-fast);
            font-size: 12px;
        }

        .read-more:hover {
            text-decoration: underline;
            color: var(--primary-red-dark);
        }

        .read-more:hover i {
            transform: translateX(3px);
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            border-radius: var(--radius-sm);
            background: var(--white);
            border: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .pagination .page-btn:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }

        .pagination .page-btn.active {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
            font-weight: 700;
        }

        .pagination .page-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ===== 深度内容区 ===== */
        .deep-content {
            margin-top: 48px;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .deep-content .deep-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .deep-content .deep-title i {
            color: var(--primary-red);
        }

        .deep-content .deep-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .deep-content .deep-text:last-child {
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-top: 48px;
        }

        .faq-section .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-section .section-title::before {
            content: "";
            width: 4px;
            height: 24px;
            background: var(--primary-red);
            border-radius: 2px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            border-color: rgba(227, 27, 35, 0.3);
        }

        .faq-item.open {
            border-color: var(--primary-red);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(227, 27, 35, 0.04);
        }

        .faq-question .q-badge {
            color: var(--primary-red);
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .faq-question .q-text {
            flex: 1;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
        }

        .faq-question .q-arrow {
            color: var(--text-muted);
            font-size: 13px;
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .q-arrow {
            transform: rotate(180deg);
            color: var(--primary-red);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 18px 16px 46px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            margin-top: 48px;
            background: linear-gradient(135deg, var(--midnight) 0%, var(--dark-charcoal) 55%, rgba(227, 27, 35, 0.55) 100%);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-red);
            color: var(--white);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(227, 27, 35, 0.4);
        }

        .cta-btn:hover {
            background: var(--primary-red-dark);
            box-shadow: 0 6px 24px rgba(227, 27, 35, 0.55);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--midnight);
            padding: 40px 24px 28px;
            border-top: 4px solid var(--primary-red);
            margin-top: auto;
        }

        .footer .container {
            max-width: 1100px;
            margin: 0 auto;
        }

        .footer-content {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .footer-brand {
            flex: 1;
            min-width: 240px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-links {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            flex: 2;
            justify-content: flex-end;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-light);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary-red);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            align-items: center;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-light);
        }

        .beian-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 13px;
        }

        .beian-links a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .beian-links a:hover {
            color: var(--primary-red);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                width: 280px;
            }

            .sidebar.mobile-open {
                transform: translateX(0);
            }

            .mobile-header {
                display: flex;
            }

            .mobile-overlay.open {
                display: block;
            }

            .main-content {
                margin-left: 0;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-inner {
                max-width: 100%;
            }

            .filter-bar {
                padding: 12px 16px;
            }

            .filter-bar .sort-select {
                margin-left: 0;
            }

            .main-area {
                padding: 24px 16px 36px;
            }
        }

        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .category-hero {
                padding: 36px 16px 30px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero .subtitle {
                font-size: 15px;
            }

            .category-hero .hero-stats {
                gap: 18px;
            }

            .category-hero .hero-stat .stat-value {
                font-size: 24px;
            }

            .deep-content {
                padding: 20px;
            }

            .faq-section {
                margin-top: 36px;
            }

            .cta-section {
                padding: 28px 18px;
            }

            .cta-section h2 {
                font-size: 22px;
            }

            .footer {
                padding: 32px 16px 24px;
            }

            .footer-content {
                gap: 28px;
            }

            .footer-links {
                justify-content: flex-start;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 21px;
            }

            .filter-bar {
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-bar .filter-group {
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }

            .filter-btn {
                flex-shrink: 0;
            }

            .filter-bar .sort-select {
                width: 100%;
            }

            .pagination .page-btn {
                min-width: 32px;
                height: 32px;
                font-size: 13px;
                padding: 0 8px;
            }

            .deep-content {
                padding: 16px;
            }

            .deep-content .deep-text {
                font-size: 14px;
                line-height: 1.7;
            }

            .faq-question {
                padding: 14px 14px;
            }

            .faq-answer-inner {
                padding: 0 14px 14px 36px;
                font-size: 13px;
            }

            .cta-btn {
                font-size: 14px;
                padding: 10px 22px;
            }

            .beian-links {
                flex-direction: column;
                gap: 4px;
            }
        }

/* roulang page: category4 */
:root {
            --primary-red: #E31B23;
            --primary-red-dark: #B3121A;
            --primary-red-light: #D71920;
            --accent-yellow: #C8FF00;
            --accent-gold: #F5A623;
            --data-blue: #2D9CDB;
            --cool-gray: #8A94A6;
            --midnight: #0D1117;
            --dark-charcoal: #161B22;
            --dark-surface: #1C2128;
            --bg-cool: #F5F7FA;
            --border-light: #E5E7EB;
            --border-input: #D1D5DB;
            --text-primary: #1A1D23;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --text-light: #9AA3B2;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --shadow-red-glow: 0 0 0 3px rgba(227, 27, 35, 0.15);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --sidebar-width: 260px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-numeric: "Barlow Condensed", "DIN Alternate", "Roboto Condensed", "Oswald", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-cool);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--midnight);
            display: flex;
            flex-direction: column;
            z-index: 100;
            transition: transform 0.3s ease;
        }

        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .sidebar-logo a:hover {
            color: var(--primary-red);
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--white);
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            width: 22px;
            height: 3px;
            background: var(--white);
            border-radius: 2px;
            transform: rotate(-35deg);
            left: 6px;
            top: 15px;
        }

        .nav-list {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .nav-list::-webkit-scrollbar {
            width: 4px;
        }

        .nav-list::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
            margin-bottom: 4px;
            position: relative;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .nav-item:hover {
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
        }

        .nav-item.active {
            color: var(--white);
            background: var(--primary-red);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.4);
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -12px;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary-red);
            border-radius: 0 2px 2px 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-footer a {
            color: var(--text-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .sidebar-footer a:hover {
            color: var(--primary-red);
        }

        .sidebar-footer .rss-link i {
            font-size: 14px;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 顶部移动栏 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--midnight);
            z-index: 200;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-header .hamburger {
            color: var(--white);
            font-size: 22px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-header .mobile-brand {
            color: var(--white);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 150;
        }

        .drawer-overlay.show {
            display: block;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary-red);
        }

        .breadcrumb .sep {
            color: var(--text-light);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--primary-red);
            font-weight: 600;
        }

        /* ===== 分类标题区 ===== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 40px 64px;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.92) 0%, rgba(227, 27, 35, 0.65) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }

        .category-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 255, 0, 0.18);
            color: var(--accent-yellow);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
            border: 1px solid rgba(200, 255, 0, 0.35);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .category-hero .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 720px;
        }

        /* ===== 分类说明带 ===== */
        .category-intro {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            margin-top: -24px;
            position: relative;
            z-index: 5;
        }

        .category-intro p {
            margin: 0;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ===== 筛选行 ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
        }

        .filter-bar select,
        .filter-bar button {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-input);
            background: var(--bg-cool);
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .filter-bar select:hover,
        .filter-bar button:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }

        .filter-bar .active-filter {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
        }

        /* ===== 列表卡片 ===== */
        .news-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(227, 27, 35, 0.3);
        }

        .news-card .card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .card-img img {
            transform: scale(1.04);
        }

        .news-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 17, 23, 0.55) 0%, transparent 45%);
        }

        .news-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary-red);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .news-card .card-body {
            padding: 20px 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .card-date {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .card-date i {
            font-size: 12px;
        }

        .news-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

        .news-card:hover .card-title {
            color: var(--primary-red);
        }

        .news-card .card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .news-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-red);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .news-card .read-more i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .news-card .read-more:hover {
            text-decoration: underline;
        }

        .news-card .read-more:hover i {
            transform: translateX(3px);
        }

        /* ===== 右侧栏 ===== */
        .sidebar-widget {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-red);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget h3 i {
            font-size: 14px;
            color: var(--primary-red);
        }

        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            transition: color var(--transition-fast);
            cursor: pointer;
        }

        .hot-list li:last-child {
            border-bottom: none;
        }

        .hot-list li:hover {
            color: var(--primary-red);
        }

        .hot-list .hot-rank {
            color: var(--primary-red);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
            min-width: 22px;
            font-family: var(--font-numeric);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            font-size: 13px;
            padding: 5px 12px;
            border-radius: 20px;
            background: var(--bg-cool);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag-cloud .tag:hover {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            align-items: center;
            gap: 6px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            background: var(--white);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .pagination .page-btn:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }

        .pagination .page-btn.current {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
            font-weight: 600;
        }

        .pagination .page-btn.disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ===== 深度内容区 ===== */
        .deep-section {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .deep-section .deep-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-red);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .deep-article {
            display: flex;
            gap: 18px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .deep-article:last-child {
            border-bottom: none;
        }

        .deep-article:hover .deep-article-title {
            color: var(--primary-red);
        }

        .deep-article .deep-img {
            width: 160px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            aspect-ratio: 3/2;
        }

        .deep-article .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-article-content {
            flex: 1;
        }

        .deep-article-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .deep-article-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--white);
            transition: box-shadow var(--transition-fast);
        }

        .faq-item.active {
            box-shadow: var(--shadow-md);
            border-color: rgba(227, 27, 35, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            gap: 12px;
            text-align: left;
            width: 100%;
        }

        .faq-question:hover {
            color: var(--primary-red);
        }

        .faq-question .faq-q {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
        }

        .faq-question .faq-q .q-badge {
            color: var(--primary-red);
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .faq-arrow {
            transition: transform var(--transition-normal);
            flex-shrink: 0;
            font-size: 14px;
            color: var(--text-light);
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px 44px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA/表单 ===== */
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-sm);
            background: var(--bg-cool);
            font-size: 15px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

        .form-input:focus {
            border-color: var(--primary-red);
            box-shadow: var(--shadow-red-glow);
            background: var(--white);
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .btn-primary {
            background: var(--primary-red);
            color: var(--white);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--primary-red-dark);
            box-shadow: 0 0 0 3px rgba(227, 27, 35, 0.25);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            border: 1px solid var(--text-primary);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.05);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--midnight);
            padding: 44px 40px 24px;
            margin-top: auto;
        }

        .footer-content {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            justify-content: space-between;
            max-width: 1080px;
            margin: 0 auto;
        }

        .footer-brand {
            flex: 1 1 260px;
            max-width: 340px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary-red);
        }

        .footer-bottom {
            max-width: 1080px;
            margin: 28px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-light);
            margin: 0;
        }

        .beian-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 13px;
        }

        .beian-links a {
            color: var(--text-light);
            transition: color var(--transition-fast);
            font-size: 13px;
        }

        .beian-links a:hover {
            color: var(--primary-red);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .mobile-header {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }

            .category-hero {
                padding: 48px 24px 44px;
                border-radius: 0;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-sub {
                font-size: 15px;
            }

            .category-intro {
                margin-top: 0;
                border-radius: 0;
                border-left: none;
                border-right: none;
            }
        }

        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero .hero-sub {
                font-size: 14px;
            }

            .news-card .card-body {
                padding: 16px 18px 18px;
            }

            .news-card .card-title {
                font-size: 16px;
            }

            .filter-bar {
                padding: 10px 14px;
                gap: 8px;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
            }

            .filter-bar select,
            .filter-bar button {
                flex-shrink: 0;
                font-size: 13px;
                padding: 7px 10px;
            }

            .footer {
                padding: 32px 20px 20px;
            }

            .footer-content {
                gap: 28px;
            }

            .footer-links {
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .deep-article {
                flex-direction: column;
            }

            .deep-article .deep-img {
                width: 100%;
                aspect-ratio: 16/9;
            }

            .deep-section {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                padding: 36px 16px 32px;
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .category-intro {
                padding: 16px 18px;
            }

            .category-intro p {
                font-size: 14px;
            }

            .news-card .card-excerpt {
                font-size: 13px;
                -webkit-line-clamp: 2;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            .pagination .page-btn {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-answer-inner {
                padding: 0 16px 16px 36px;
                font-size: 13px;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category5 */
:root {
            --primary-red: #E31B23;
            --primary-red-dark: #B3121A;
            --primary-red-light: #D71920;
            --accent-yellow: #C8FF00;
            --accent-gold: #F5A623;
            --data-blue: #2D9CDB;
            --cool-gray: #8A94A6;
            --midnight: #0D1117;
            --dark-charcoal: #161B22;
            --dark-surface: #1C2128;
            --bg-cool: #F5F7FA;
            --border-light: #E5E7EB;
            --border-input: #D1D5DB;
            --text-primary: #1A1D23;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --text-light: #9AA3B2;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --shadow-red-glow: 0 0 0 3px rgba(227, 27, 35, 0.15);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --sidebar-width: 260px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-numeric: "Barlow Condensed", "DIN Alternate", "Roboto Condensed", "Oswald", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-cool);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        /* 侧边栏 */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--midnight);
            display: flex;
            flex-direction: column;
            z-index: 100;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }
        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }
        .sidebar-logo a:hover {
            color: var(--primary-red);
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--white);
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .logo-mark::after {
            content: "";
            position: absolute;
            width: 22px;
            height: 3px;
            background: var(--white);
            border-radius: 2px;
            transform: rotate(-35deg);
            left: 6px;
            top: 15px;
        }
        .nav-list {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }
        .nav-list::-webkit-scrollbar {
            width: 4px;
        }
        .nav-list::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
            margin-bottom: 4px;
            position: relative;
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .nav-item:hover {
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
        }
        .nav-item.active {
            color: var(--white);
            background: var(--primary-red);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.4);
        }
        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -12px;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary-red);
            border-radius: 0 2px 2px 0;
        }
        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-footer a {
            color: var(--text-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .sidebar-footer a:hover {
            color: var(--primary-red);
        }

        /* 主内容区 */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶部栏 */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: var(--midnight);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-header .mobile-logo {
            color: var(--white);
            font-weight: 700;
            font-size: 17px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 20px;
            transition: background var(--transition-fast);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 99;
        }
        .drawer-overlay.open {
            display: block;
        }

        /* 按钮 */
        .btn-primary {
            background: var(--primary-red);
            color: var(--white);
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 2px 8px rgba(227, 27, 35, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-red-dark);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 1px 4px rgba(227, 27, 35, 0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-input);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.04);
        }
        .btn-text {
            color: var(--primary-red);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .btn-text i {
            transition: transform var(--transition-fast);
        }
        .btn-text:hover {
            text-decoration: underline;
        }
        .btn-text:hover i {
            transform: translateX(2px);
        }

        /* 容器 */
        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 20px 0 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary-red);
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* 分类标题区 */
        .category-hero {
            background: var(--midnight);
            color: var(--white);
            padding: 40px 24px;
            border-radius: var(--radius-lg);
            margin-bottom: 32px;
            position: relative;
            overflow: hidden;
            background-image: linear-gradient(135deg, rgba(13, 17, 23, 0.92), rgba(227, 27, 35, 0.55)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .category-hero p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.7;
        }

        /* 筛选行 */
        .filter-bar {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 28px;
        }
        .filter-bar label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .filter-bar select {
            padding: 8px 12px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-sm);
            background: var(--bg-cool);
            font-size: 14px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            min-width: 120px;
        }
        .filter-bar select:focus {
            border-color: var(--primary-red);
            box-shadow: var(--shadow-red-glow);
        }
        .filter-bar .filter-divider {
            width: 1px;
            height: 28px;
            background: var(--border-light);
            margin: 0 4px;
        }

        /* 卡片网格 */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 32px;
        }
        .data-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .data-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(227, 27, 35, 0.3);
        }
        .data-card .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #1C2128;
        }
        .data-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }
        .data-card:hover .card-image img {
            transform: scale(1.04);
        }
        .data-card .card-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.1), rgba(13, 17, 23, 0.5));
        }
        .data-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: var(--accent-yellow);
            color: var(--midnight);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .data-card .card-body {
            padding: 18px 20px 20px;
        }
        .data-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .data-card .card-date i {
            font-size: 12px;
            color: var(--primary-red);
        }
        .data-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .data-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .data-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .data-card .meta-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.07);
            padding: 3px 10px;
            border-radius: 20px;
        }
        .data-card .card-footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        /* 深度内容区 */
        .deep-section {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 32px;
        }
        .deep-section h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .deep-section h2 i {
            color: var(--primary-red);
            font-size: 22px;
        }
        .deep-section .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .deep-section .deep-block {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .deep-section .deep-block strong {
            color: var(--text-primary);
        }

        /* 数据带 */
        .data-strip {
            background: var(--midnight);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            margin-bottom: 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-strip .stat-item {
            text-align: center;
            color: var(--white);
        }
        .data-strip .stat-number {
            font-family: var(--font-numeric);
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .data-strip .stat-label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 24px 0;
        }
        .pagination a,
        .pagination span {
            min-width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            background: var(--white);
        }
        .pagination a:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.04);
        }
        .pagination .page-current {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
            box-shadow: 0 2px 8px rgba(227, 27, 35, 0.3);
        }
        .pagination .page-disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* FAQ */
        .faq-section {
            margin-bottom: 32px;
        }
        .faq-section h2 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-section h2 i {
            color: var(--primary-red);
        }
        .faq-accordion {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item.open {
            background: rgba(227, 27, 35, 0.03);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            user-select: none;
            transition: color var(--transition-fast);
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary-red);
        }
        .faq-question .faq-q-badge {
            color: var(--primary-red);
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary-red);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }
        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 20px 18px;
        }

        /* 页脚 */
        .footer {
            background: var(--midnight);
            color: var(--text-light);
            padding: 48px 24px 24px;
            margin-top: auto;
        }
        .footer-content {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            color: var(--white);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: var(--text-light);
            font-size: 13px;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary-red);
        }
        .footer-bottom {
            max-width: 1100px;
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
        }
        .footer-bottom .beian-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom .beian-links a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }
        .footer-bottom .beian-links a:hover {
            color: var(--primary-red);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--midnight), #2a0a0c);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            margin-bottom: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            border: 1px solid rgba(227, 27, 35, 0.25);
        }
        .cta-section .cta-text h3 {
            color: var(--white);
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .cta-section .cta-text p {
            color: var(--text-light);
            font-size: 14px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform var(--transition-normal);
                width: 280px;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: var(--shadow-lg);
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .deep-section .deep-content {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero {
                padding: 28px 18px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .filter-bar .filter-divider {
                display: none;
            }
            .filter-bar select {
                width: 100%;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 20px 16px;
            }
            .data-strip .stat-number {
                font-size: 28px;
            }
            .deep-section {
                padding: 24px 18px;
            }
            .cta-section {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 18px;
            }
            .container {
                padding: 0 16px;
            }
            .breadcrumb {
                padding: 14px 0 8px;
                font-size: 13px;
                flex-wrap: wrap;
            }
            .pagination {
                gap: 4px;
                padding: 16px 0;
            }
            .pagination a,
            .pagination span {
                min-width: 32px;
                height: 32px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .data-strip {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px 12px;
            }
            .data-strip .stat-number {
                font-size: 24px;
            }
            .footer-links {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom .beian-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .deep-section h2 {
                font-size: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
                gap: 8px;
            }
            .faq-answer {
                font-size: 14px;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: category6 */
:root {
            --primary-red: #E31B23;
            --primary-red-dark: #B3121A;
            --primary-red-light: #D71920;
            --accent-yellow: #C8FF00;
            --accent-gold: #F5A623;
            --data-blue: #2D9CDB;
            --cool-gray: #8A94A6;
            --midnight: #0D1117;
            --dark-charcoal: #161B22;
            --dark-surface: #1C2128;
            --bg-cool: #F5F7FA;
            --border-light: #E5E7EB;
            --border-input: #D1D5DB;
            --text-primary: #1A1D23;
            --text-secondary: #4B5563;
            --text-muted: #6B7280;
            --text-light: #9AA3B2;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.16);
            --shadow-red-glow: 0 0 0 3px rgba(227, 27, 35, 0.15);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --sidebar-width: 260px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-numeric: "Barlow Condensed", "DIN Alternate", "Roboto Condensed", "Oswald", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-cool);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        :focus-visible {
            outline: 2px solid var(--primary-red);
            outline-offset: 2px;
        }

        /* ===== 桌面左侧导航 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--midnight);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform var(--transition-normal);
        }

        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }

        .sidebar-logo a:hover {
            color: var(--primary-red);
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--white);
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .logo-mark::after {
            content: "";
            position: absolute;
            width: 22px;
            height: 3px;
            background: var(--white);
            border-radius: 2px;
            transform: rotate(-35deg);
            left: 6px;
            top: 15px;
        }

        .nav-list {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .nav-list::-webkit-scrollbar {
            width: 4px;
        }

        .nav-list::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 2px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
            margin-bottom: 4px;
            position: relative;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .nav-item:hover {
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
        }

        .nav-item.active {
            color: var(--white);
            background: var(--primary-red);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.4);
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -12px;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary-red);
            border-radius: 0 2px 2px 0;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-footer a {
            color: var(--text-light);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .sidebar-footer a:hover {
            color: var(--primary-red);
        }

        .sidebar-footer .rss-link i {
            font-size: 14px;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--bg-cool);
            transition: margin-left var(--transition-normal);
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--midnight);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-topbar .hamburger {
            color: var(--white);
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            background: transparent;
            border: none;
            transition: color var(--transition-fast);
        }

        .mobile-topbar .hamburger:hover {
            color: var(--primary-red);
        }

        .mobile-topbar .brand-mobile {
            color: var(--white);
            font-weight: 700;
            font-size: 17px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-topbar .brand-mobile .logo-mark-small {
            width: 28px;
            height: 28px;
            background: var(--primary-red);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--white);
        }

        /* 遮罩层 */
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        /* ===== 页面通用容器 ===== */
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            padding: 18px 0 0;
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-bar a:hover {
            color: var(--primary-red);
        }

        .breadcrumb-bar .sep {
            color: #CBD5E1;
        }

        .breadcrumb-bar .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== 分类标题区 ===== */
        .category-header {
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.95), rgba(227, 27, 35, 0.8)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: var(--white);
            margin-top: 20px;
            position: relative;
            overflow: hidden;
        }

        .category-header::after {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(200, 255, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-header .tag {
            display: inline-block;
            background: var(--accent-yellow);
            color: var(--midnight);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .category-header h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 14px;
            color: var(--white);
        }

        .category-header .subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .category-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .category-stats .stat-item {
            display: flex;
            align-items: baseline;
            gap: 8px;
        }

        .category-stats .stat-number {
            font-family: var(--font-numeric);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-yellow);
            letter-spacing: 0.5px;
        }

        .category-stats .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== 筛选/排序行 ===== */
        .filter-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0 16px;
            flex-wrap: wrap;
            border-bottom: 1px solid var(--border-light);
        }

        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tab {
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--white);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tab:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }

        .filter-tab.active {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
        }

        .sort-select-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .sort-select-wrapper select {
            padding: 8px 14px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-sm);
            background: var(--white);
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: border-color var(--transition-fast);
            min-width: 140px;
        }

        .sort-select-wrapper select:focus {
            border-color: var(--primary-red);
            box-shadow: var(--shadow-red-glow);
        }

        /* ===== 主内容两栏布局 ===== */
        .content-layout {
            display: flex;
            gap: 32px;
            padding: 28px 0 48px;
            align-items: flex-start;
        }

        .content-main {
            flex: 1;
            min-width: 0;
        }

        .content-sidebar {
            width: 300px;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(227, 27, 35, 0.3);
        }

        .topic-card .card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .topic-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }

        .topic-card:hover .card-image img {
            transform: scale(1.05);
        }

        .topic-card .card-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(13, 17, 23, 0.7) 100%);
        }

        .topic-card .card-image .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary-red);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            z-index: 1;
            letter-spacing: 0.5px;
        }

        .topic-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .topic-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.3px;
        }

        .topic-card .card-date i {
            font-size: 12px;
            color: var(--cool-gray);
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.2px;
        }

        .topic-card h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .topic-card h3 a:hover {
            color: var(--primary-red);
        }

        .topic-card .card-excerpt {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .topic-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-red);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .topic-card .read-more i {
            transition: transform var(--transition-fast);
            font-size: 13px;
        }

        .topic-card .read-more:hover {
            color: var(--primary-red-dark);
            text-decoration: underline;
        }

        .topic-card .read-more:hover i {
            transform: translateX(3px);
        }

        /* ===== 分页组件 ===== */
        .pagination {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 32px 0 8px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            min-width: 40px;
            height: 40px;
            padding: 0 10px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--white);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination .page-btn:hover {
            border-color: var(--primary-red);
            color: var(--primary-red);
        }

        .pagination .page-btn.active {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.35);
        }

        .pagination .page-btn.disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ===== 右侧栏 ===== */
        .sidebar-widget {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 22px;
        }

        .sidebar-widget h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-red);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget h4 i {
            color: var(--primary-red);
            font-size: 15px;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hot-list-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding-bottom: 14px;
            border-bottom: 1px solid #F0F2F5;
            transition: all var(--transition-fast);
        }

        .hot-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-list-item:hover .hot-title {
            color: var(--primary-red);
        }

        .hot-rank {
            font-family: var(--font-numeric);
            font-size: 22px;
            font-weight: 800;
            color: var(--primary-red);
            line-height: 1;
            min-width: 28px;
        }

        .hot-list-item .hot-info .hot-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            transition: color var(--transition-fast);
            margin-bottom: 4px;
        }

        .hot-list-item .hot-info .hot-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            gap: 10px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag-item {
            padding: 5px 14px;
            border-radius: 16px;
            background: var(--bg-cool);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag-cloud .tag-item:hover {
            background: var(--primary-red);
            color: var(--white);
            border-color: var(--primary-red);
        }

        .rss-widget-box {
            text-align: center;
        }

        .rss-widget-box .rss-icon {
            font-size: 36px;
            color: var(--primary-red);
            margin-bottom: 10px;
        }

        .rss-widget-box p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .rss-widget-box .rss-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-red);
            color: var(--white);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .rss-widget-box .rss-btn:hover {
            background: var(--primary-red-dark);
            box-shadow: 0 4px 14px rgba(227, 27, 35, 0.35);
        }

        /* ===== 深度内容区 ===== */
        .deep-content-section {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 36px;
            margin-bottom: 32px;
        }

        .deep-content-section h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .deep-content-section h2 .section-icon {
            color: var(--primary-red);
            font-size: 22px;
        }

        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .deep-article-card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            background: var(--bg-cool);
        }

        .deep-article-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .deep-article-card .deep-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .deep-article-card .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }

        .deep-article-card:hover .deep-img img {
            transform: scale(1.04);
        }

        .deep-article-card .deep-body {
            padding: 20px 22px;
        }

        .deep-article-card .deep-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .deep-article-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .deep-article-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .deep-article-card .read-more {
            font-size: 14px;
            color: var(--primary-red);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .deep-article-card .read-more:hover {
            color: var(--primary-red-dark);
            text-decoration: underline;
        }

        .deep-article-card .read-more i {
            transition: transform var(--transition-fast);
        }

        .deep-article-card .read-more:hover i {
            transform: translateX(3px);
        }

        /* ===== 品牌介绍 ===== */
        .brand-intro {
            background: linear-gradient(135deg, var(--dark-charcoal), var(--midnight));
            border-radius: var(--radius-lg);
            padding: 36px;
            color: var(--white);
            margin-bottom: 32px;
            position: relative;
            overflow: hidden;
        }

        .brand-intro::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -10%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(200, 255, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .brand-intro h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-intro h2 i {
            color: var(--accent-yellow);
        }

        .brand-intro p {
            font-size: 15.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 800px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-bottom: 32px;
        }

        .faq-section h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.3px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: rgba(227, 27, 35, 0.3);
        }

        .faq-item.open {
            border-color: var(--primary-red);
            box-shadow: 0 4px 16px rgba(227, 27, 35, 0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #FAFBFC;
        }

        .faq-question .q-badge {
            font-family: var(--font-numeric);
            font-size: 16px;
            font-weight: 800;
            color: var(--primary-red);
            background: rgba(227, 27, 35, 0.08);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-question .q-text {
            flex: 1;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .faq-question .q-arrow {
            color: var(--text-muted);
            font-size: 14px;
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .q-arrow {
            transform: rotate(180deg);
            color: var(--primary-red);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            padding-top: 4px;
            border-top: 1px solid #F0F2F5;
            padding-top: 14px;
        }

        /* ===== CTA / 订阅 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            color: var(--white);
            margin-bottom: 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            top: -40%;
            right: -5%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section h2 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 15.5px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 22px;
            max-width: 560px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: flex-end;
        }

        .cta-form .form-group {
            flex: 1;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .cta-form label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.3px;
        }

        .cta-form input {
            padding: 11px 16px;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.12);
            color: var(--white);
            font-size: 14px;
            transition: all var(--transition-fast);
            width: 100%;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .cta-form input:focus {
            border-color: var(--accent-yellow);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.2);
            background: rgba(255, 255, 255, 0.2);
        }

        .cta-form .cta-submit {
            background: var(--accent-yellow);
            color: var(--midnight);
            padding: 11px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: none;
        }

        .cta-form .cta-submit:hover {
            background: #B8E600;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 255, 0, 0.35);
        }

        .cta-form .cta-submit:active {
            transform: translateY(0);
        }

        .cta-form .privacy-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            width: 100%;
            margin-top: 6px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--midnight);
            padding: 40px 0 24px;
            color: var(--text-light);
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1.4fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 380px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary-red);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            align-items: center;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 14px;
            color: var(--text-light);
        }

        .beian-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 13px;
        }

        .beian-links a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

        .beian-links a:hover {
            color: var(--primary-red);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                width: 300px;
                box-shadow: var(--shadow-lg);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .mobile-topbar {
                display: flex;
            }

            .drawer-overlay.show {
                display: block;
            }

            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }

            .container {
                padding: 0 18px;
            }

            .category-header {
                padding: 32px 24px;
            }

            .category-header h1 {
                font-size: 28px;
            }

            .content-layout {
                flex-direction: column;
            }

            .content-sidebar {
                width: 100%;
                display: none;
            }

            .card-grid {
                grid-template-columns: 1fr;
            }

            .deep-content-grid {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-links {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .category-header {
                padding: 26px 20px;
                border-radius: var(--radius-md);
            }

            .category-header h1 {
                font-size: 24px;
            }

            .category-header .subtitle {
                font-size: 15px;
            }

            .category-stats {
                gap: 20px;
            }

            .category-stats .stat-number {
                font-size: 22px;
            }

            .filter-row {
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-tabs {
                gap: 6px;
            }

            .filter-tab {
                padding: 6px 12px;
                font-size: 13px;
            }

            .topic-card .card-body {
                padding: 16px 18px 18px;
            }

            .topic-card h3 {
                font-size: 16px;
            }

            .deep-content-section {
                padding: 24px 18px;
            }

            .deep-content-section h2 {
                font-size: 20px;
            }

            .brand-intro {
                padding: 26px 20px;
            }

            .brand-intro h2 {
                font-size: 19px;
            }

            .brand-intro p {
                font-size: 14.5px;
            }

            .cta-section {
                padding: 28px 20px;
            }

            .cta-section h2 {
                font-size: 20px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form .form-group {
                min-width: 100%;
            }

            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .category-header {
                padding: 22px 16px;
            }

            .category-header h1 {
                font-size: 21px;
            }

            .category-stats {
                flex-direction: column;
                gap: 8px;
            }

            .card-grid {
                gap: 16px;
            }

            .pagination .page-btn {
                min-width: 34px;
                height: 34px;
                font-size: 13px;
                padding: 0 8px;
            }

            .footer-links {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .footer-content {
                gap: 18px;
            }

            .beian-links {
                flex-direction: column;
                gap: 6px;
            }
        }