/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --bg-deep: #121815;
            --bg-panel: #1a2420;
            --bg-light: #eef3f0;
            --card-light: #ffffff;
            --primary: #1f9e5b;
            --primary-hover: #17b968;
            --accent: #c8ff2e;
            --hot: #ff6b35;
            --nav-bg: #1f2937;
            --nav-text: #e5e7eb;
            --text-main: #16201b;
            --text-muted: #5b6b63;
            --border-soft: #dde5e0;
            --border-dark: rgba(255,255,255,0.08);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-pill: 50px;
            --shadow-light: 0 6px 18px rgba(23,45,34,0.08);
            --shadow-dark: 0 10px 30px rgba(0,0,0,0.35);
            --shadow-hover: 0 16px 42px rgba(23,45,34,0.16);
            --transition-fast: 160ms ease;
            --transition-med: 260ms ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --section-pad-desktop: 72px;
            --section-pad-tablet: 48px;
            --section-pad-mobile: 28px;
        }

        /* ============ Reset & Base ============ */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-light);
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; color: var(--primary); transition: color var(--transition-fast); }
        a:hover { color: var(--primary-hover); }
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: var(--font-stack); }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-top: 0;
        }
        h1 { font-size: clamp(28px, 4.5vw, 40px); }
        h2 { font-size: clamp(24px, 3.2vw, 30px); }
        h3 { font-size: clamp(20px, 2.4vw, 22px); }
        p { margin-bottom: 0.9rem; }
        .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

        /* ============ 通用 Section ============ */
        section, .section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
            position: relative;
        }
        .section-heading {
            margin-bottom: 36px;
        }
        .section-heading .badge-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-heading h2 {
            margin-bottom: 12px;
        }
        .section-heading p {
            color: var(--text-muted);
            max-width: 720px;
            font-size: 15px;
            line-height: 1.8;
        }
        .bg-dark-section {
            background-color: var(--bg-deep);
        }
        .bg-dark-section .section-heading h2,
        .bg-dark-section .section-heading p {
            color: #e5e7eb;
        }
        .bg-dark-section .section-heading .badge-tag {
            background: var(--accent);
            color: var(--text-main);
        }
        .bg-panel-section {
            background-color: var(--bg-panel);
        }
        .bg-panel-section .section-heading h2,
        .bg-panel-section .section-heading p {
            color: #dde5e0;
        }
        .bg-panel-section .section-heading .badge-tag {
            background: var(--accent);
            color: var(--text-main);
        }

        /* ============ 导航 ============ */
        .navbar-main {
            background-color: var(--nav-bg);
            min-height: 64px;
            display: flex;
            align-items: center;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1030;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            box-shadow: 0 2px 12px rgba(0,0,0,0.25);
        }
        .navbar-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            width: 100%;
        }
        .navbar-brand-99 {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--nav-text);
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .navbar-brand-99:hover { color: var(--accent); }
        .navbar-brand-99 .brand-bar {
            display: inline-block;
            width: 6px;
            height: 28px;
            background: var(--accent);
            border-radius: 3px;
        }
        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
            height: 64px;
        }
        .navbar-menu > li {
            height: 100%;
            display: flex;
            align-items: center;
            position: relative;
        }
        .navbar-menu > li + li::before {
            content: '';
            width: 1px;
            height: 22px;
            background: rgba(255,255,255,0.15);
            margin: 0 12px;
        }
        .navbar-menu a {
            color: var(--nav-text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 6px;
            border-radius: 6px;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-menu a:hover { color: var(--accent); background: rgba(255,255,255,0.06); }
        .navbar-menu a.active { color: var(--accent); }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-right .nav-link-light {
            color: var(--nav-text);
            font-size: 13px;
            font-weight: 500;
            padding: 7px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255,255,255,0.22);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-right .nav-link-light:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: rgba(200,255,46,0.08);
        }
        .navbar-right .btn-query {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.22);
            color: var(--nav-text);
            font-size: 13px;
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-right .btn-query:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: rgba(200,255,46,0.08);
        }
        .navbar-toggler-99 {
            display: none;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.25);
            color: var(--nav-text);
            font-size: 22px;
            padding: 6px 12px;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-99:hover { border-color: var(--accent); color: var(--accent); }

        /* Offcanvas */
        .offcanvas-99 {
            background-color: var(--nav-bg);
            color: var(--nav-text);
            max-width: 320px;
        }
        .offcanvas-99 .offcanvas-header {
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 16px 20px;
        }
        .offcanvas-99 .offcanvas-body {
            padding: 20px;
        }
        .offcanvas-99 .menu-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .offcanvas-99 .menu-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.07);
        }
        .offcanvas-99 .menu-list a {
            color: var(--nav-text);
            font-size: 15px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .offcanvas-99 .menu-list a:hover { color: var(--accent); }
        .offcanvas-99 .menu-group-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: rgba(255,255,255,0.4);
            margin: 18px 0 8px;
        }

        /* ============ Hero ============ */
        .hero-99 {
            background-color: var(--bg-deep);
            background-image:
                linear-gradient(rgba(18,24,21,0.92), rgba(18,24,21,0.88)),
                url('/assets/images/9c74e51f36427efb.jpg');
            background-size: cover;
            background-position: center;
            padding-top: 60px;
            padding-bottom: 48px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .hero-99::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(90deg, transparent 49.8%, rgba(200,255,46,0.04) 50%, transparent 50.2%),
                linear-gradient(0deg, transparent 49.8%, rgba(200,255,46,0.04) 50%, transparent 50.2%);
            background-size: 80px 80px;
            pointer-events: none;
            opacity: 0.5;
        }
        .hero-99 .container {
            position: relative;
            z-index: 2;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            min-height: 420px;
        }
        .hero-left {
            flex: 0 0 55%;
            max-width: 55%;
        }
        .hero-left .live-badge {
            display: inline-block;
            background: var(--hot);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 5px 14px;
            border-radius: 4px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .hero-left h1 {
            color: #fff;
            font-size: clamp(28px, 4vw, 40px);
            margin-bottom: 18px;
            font-weight: 700;
            letter-spacing: -0.3px;
        }
        .hero-left .hero-sub {
            color: rgba(229,231,235,0.85);
            font-size: 15px;
            line-height: 1.85;
            max-width: 540px;
            margin-bottom: 26px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text-main);
            font-weight: 700;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(200,255,46,0.25);
        }
        .btn-accent:hover {
            background: #b8f02a;
            color: var(--text-main);
            box-shadow: 0 0 0 4px rgba(200,255,46,0.2), 0 6px 20px rgba(200,255,46,0.3);
        }
        .btn-accent:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(200,255,46,0.2);
        }
        .btn-outline-light-99 {
            background: transparent;
            color: #e5e7eb;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,0.3);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light-99:hover {
            background: rgba(255,255,255,0.08);
            color: var(--accent);
            border-color: var(--accent);
        }
        .hero-right {
            flex: 0 0 45%;
            max-width: 45%;
        }
        .hero-cover-wrap {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: var(--shadow-dark);
            aspect-ratio: 16 / 10;
        }
        .hero-cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-cover-wrap .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.55) 100%);
        }
        .hero-cover-wrap .cover-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: var(--text-main);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 1px;
        }
        .hero-stats-bar {
            display: flex;
            gap: 40px;
            margin-top: 42px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-item .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stat-item .stat-label {
            font-size: 13px;
            color: rgba(229,231,235,0.6);
            margin-top: 2px;
        }

        /* ============ 功能分组板块 ============ */
        .section-light {
            background-color: var(--bg-light);
        }
        .feature-group-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }
        .feature-card-99 {
            background: var(--card-light);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-light);
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .feature-card-99:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .feature-card-99.col-span-3 { grid-column: span 3; }
        .feature-card-99.col-span-4 { grid-column: span 4; }
        .feature-card-99.col-span-5 { grid-column: span 5; }
        .feature-card-99.col-span-6 { grid-column: span 6; }
        .feature-card-99.col-span-7 { grid-column: span 7; }
        .feature-card-99 .fc-num {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(31,158,91,0.08);
            padding: 3px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .feature-card-99 h3 {
            font-size: 18px;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .feature-card-99 p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex-grow: 1;
        }
        .feature-card-99 .fc-thumb {
            border-radius: 10px;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            margin-top: auto;
        }
        .feature-card-99 .fc-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ============ 使用场景板块 ============ */
        .scene-row {
            display: flex;
            align-items: center;
            gap: 36px;
            margin-bottom: 36px;
        }
        .scene-row:last-child { margin-bottom: 0; }
        .scene-row.reverse {
            flex-direction: row-reverse;
        }
        .scene-text {
            flex: 1;
        }
        .scene-text h3 {
            font-size: 21px;
            margin-bottom: 10px;
        }
        .scene-text p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .scene-img {
            flex: 0 0 42%;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
            position: relative;
        }
        .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scene-img .scene-tag {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(18,24,21,0.8);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 4px;
            backdrop-filter: blur(4px);
        }

        /* ============ 截图演示板块 ============ */
        .player-mock {
            background: var(--bg-deep);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark);
        }
        .player-mock .player-top {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 18px;
            background: rgba(255,255,255,0.04);
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .player-mock .player-top .dot {
            width: 11px;
            height: 11px;
            border-radius: 50%;
            background: rgba(255,255,255,0.2);
        }
        .player-mock .player-top .dot.red { background: #ff5f57; }
        .player-mock .player-top .dot.yellow { background: #febc2e; }
        .player-mock .player-top .dot.green { background: #28c840; }
        .player-mock .player-top .player-url {
            flex: 1;
            background: rgba(255,255,255,0.06);
            border-radius: 6px;
            padding: 5px 14px;
            font-size: 12px;
            color: rgba(255,255,255,0.5);
            text-align: center;
        }
        .player-mock .player-body {
            position: relative;
            aspect-ratio: 16 / 9;
            background: #0a0f0c;
        }
        .player-mock .player-body img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.7;
        }
        .player-mock .player-body .play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .player-mock .player-body .play-btn-99 {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--text-main);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            box-shadow: 0 8px 24px rgba(200,255,46,0.4);
            transition: all var(--transition-fast);
        }
        .player-mock .player-body .play-btn-99:hover {
            transform: scale(1.08);
            box-shadow: 0 10px 30px rgba(200,255,46,0.55);
        }
        .player-mock .player-body .badge-float {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: var(--text-main);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }

        /* ============ 专题入口板块 ============ */
        .topic-grid-99 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card-99 {
            background: var(--card-light);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            transition: all var(--transition-med);
            display: block;
            color: inherit;
        }
        .topic-card-99:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            color: inherit;
        }
        .topic-card-99 .topic-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .topic-card-99 .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .topic-card-99:hover .topic-thumb img {
            transform: scale(1.05);
        }
        .topic-card-99 .topic-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--hot);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
        }
        .topic-card-99 .topic-info {
            padding: 16px 18px;
        }
        .topic-card-99 .topic-info h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 5px;
        }
        .topic-card-99 .topic-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ============ 成功案例板块 ============ */
        .case-data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .case-data-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
            transition: all var(--transition-med);
        }
        .case-data-card:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        .case-data-card .case-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .case-data-card .case-label {
            font-size: 13px;
            color: rgba(229,231,235,0.6);
            margin-top: 6px;
        }
        .case-data-card .case-user {
            font-size: 12px;
            color: rgba(229,231,235,0.45);
            margin-top: 10px;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 10px;
        }

        /* ============ 套餐价格板块 ============ */
        .price-grid-99 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            align-items: stretch;
        }
        .price-card-99 {
            background: var(--card-light);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            box-shadow: var(--shadow-light);
            text-align: center;
            transition: all var(--transition-med);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .price-card-99:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .price-card-99.featured {
            border-color: var(--primary);
            border-width: 2px;
            box-shadow: 0 10px 36px rgba(31,158,91,0.18);
        }
        .price-card-99.featured .price-badge-top {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: var(--text-main);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .price-card-99 h3 {
            font-size: 19px;
            margin-bottom: 8px;
        }
        .price-card-99 .price-amount {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            margin: 14px 0;
        }
        .price-card-99.featured .price-amount {
            color: var(--primary);
        }
        .price-card-99 .price-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 18px;
        }
        .price-card-99 .btn-price {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            width: 100%;
        }
        .price-card-99 .btn-price:hover {
            background: var(--primary);
            color: #fff;
        }
        .price-card-99.featured .btn-price {
            background: var(--primary);
            color: #fff;
        }
        .price-card-99.featured .btn-price:hover {
            background: var(--primary-hover);
        }

        /* ============ 评价墙板块 ============ */
        .review-grid-99 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card-99 {
            background: var(--card-light);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-light);
            transition: all var(--transition-fast);
        }
        .review-card-99:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .review-card-99 .review-stars {
            color: #f5a623;
            font-size: 14px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .review-card-99 .review-text {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .review-card-99 .review-user {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .review-card-99 .review-user i {
            color: var(--primary);
        }

        /* ============ 用户口碑板块 ============ */
        .reputation-bars {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 680px;
            margin: 0 auto;
        }
        .rep-bar-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .rep-bar-item .rep-label {
            flex: 0 0 110px;
            font-size: 14px;
            font-weight: 600;
            color: #dde5e0;
            text-align: right;
        }
        .rep-bar-item .rep-track {
            flex: 1;
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
            height: 12px;
            overflow: hidden;
        }
        .rep-bar-item .rep-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: width 0.6s ease;
        }
        .rep-bar-item .rep-percent {
            flex: 0 0 48px;
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
        }

        /* ============ 资讯列表板块 ============ */
        .news-list-99 {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item-99 {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--card-light);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            box-shadow: var(--shadow-light);
            transition: all var(--transition-fast);
        }
        .news-item-99:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .news-item-99 .news-thumb {
            flex: 0 0 140px;
            aspect-ratio: 16 / 9;
            border-radius: 10px;
            overflow: hidden;
        }
        .news-item-99 .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item-99 .news-body {
            flex: 1;
        }
        .news-item-99 .news-body h3 {
            font-size: 16px;
            margin-bottom: 6px;
        }
        .news-item-99 .news-body p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .news-item-99 .news-date {
            flex: 0 0 auto;
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition-fast);
        }
        .link-more:hover {
            color: var(--primary-hover);
            gap: 10px;
        }

        /* ============ FAQ 手风琴 ============ */
        .accordion-99 .accordion-item {
            background: var(--card-light);
            border: 1px solid var(--border-soft);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(23,45,34,0.04);
        }
        .accordion-99 .accordion-button {
            background: var(--card-light);
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            border: none;
            border-radius: 12px !important;
            transition: all var(--transition-fast);
        }
        .accordion-99 .accordion-button:not(.collapsed) {
            background: rgba(31,158,91,0.06);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-99 .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31,158,91,0.15);
        }
        .accordion-99 .accordion-button::after {
            filter: invert(40%) sepia(60%) saturate(400%) hue-rotate(100deg);
        }
        .accordion-99 .accordion-body {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            padding: 16px 22px 20px;
        }
        .accordion-99 .accordion-button .faq-icon {
            margin-right: 10px;
            color: var(--primary);
            width: 20px;
            text-align: center;
        }

        /* ============ CTA 板块 ============ */
        .cta-99 {
            background-color: var(--bg-deep);
            background-image:
                linear-gradient(rgba(18,24,21,0.94), rgba(18,24,21,0.9)),
                url('/assets/images/be712d1302d4ff70.webp');
            background-size: cover;
            background-position: center;
            padding-top: 72px;
            padding-bottom: 72px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: clamp(26px, 3.5vw, 34px);
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(229,231,235,0.8);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto 18px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-btn);
            padding: 13px 18px;
            font-size: 14px;
            color: var(--text-main);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,255,46,0.25);
        }
        .cta-form .btn-cta-submit {
            background: var(--accent);
            color: var(--text-main);
            font-weight: 700;
            font-size: 14px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(200,255,46,0.25);
        }
        .cta-form .btn-cta-submit:hover {
            background: #b8f02a;
            box-shadow: 0 0 0 4px rgba(200,255,46,0.2), 0 6px 20px rgba(200,255,46,0.3);
        }
        .cta-form .btn-cta-submit:active {
            transform: translateY(1px);
        }
        .cta-success-msg {
            display: none;
            color: var(--accent);
            font-size: 14px;
            margin-top: 12px;
            font-weight: 500;
        }
        .cta-success-msg.show { display: block; }

        /* ============ 页脚 ============ */
        .footer-99 {
            background-color: var(--nav-bg);
            color: var(--nav-text);
            padding-top: 56px;
            padding-bottom: 28px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand-99 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand-99 .brand-bar-footer {
            display: inline-block;
            width: 5px;
            height: 22px;
            background: var(--accent);
            border-radius: 3px;
        }
        .footer-desc {
            font-size: 13px;
            color: rgba(229,231,235,0.6);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            color: var(--nav-text);
            font-size: 14px;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            color: rgba(229,231,235,0.6);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(229,231,235,0.45);
        }
        .footer-bottom a {
            color: rgba(229,231,235,0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1200px) {
            .hero-inner { gap: 28px; }
            .feature-group-grid { gap: 16px; }
            .topic-grid-99 { grid-template-columns: repeat(3, 1fr); }
            .footer-grid { gap: 24px; }
        }
        @media (max-width: 992px) {
            :root {
                --section-pad-desktop: 48px;
            }
            .hero-inner { flex-direction: column; min-height: auto; }
            .hero-left, .hero-right { flex: 0 0 100%; max-width: 100%; }
            .hero-left { text-align: center; }
            .hero-left .hero-sub { margin-left: auto; margin-right: auto; }
            .hero-btns { justify-content: center; }
            .hero-stats-bar { justify-content: center; }
            .feature-group-grid { grid-template-columns: repeat(6, 1fr); }
            .feature-card-99.col-span-3, .feature-card-99.col-span-4, 
            .feature-card-99.col-span-5, .feature-card-99.col-span-6,
            .feature-card-99.col-span-7 { grid-column: span 6; }
            .scene-row, .scene-row.reverse { flex-direction: column; gap: 20px; }
            .scene-img { width: 100%; flex: 0 0 auto; }
            .case-data-grid { grid-template-columns: repeat(3, 1fr); }
            .review-grid-99 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 2fr 1fr; gap: 28px; }
            .navbar-menu > li + li::before { margin: 0 8px; }
            .navbar-menu a { font-size: 13px; }
            .navbar-right .nav-link-light, .navbar-right .btn-query { font-size: 12px; padding: 6px 12px; }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 36px;
                --section-pad-tablet: 32px;
            }
            section, .section { padding-top: var(--section-pad-tablet); padding-bottom: var(--section-pad-tablet); }
            .navbar-menu { display: none; }
            .navbar-toggler-99 { display: block; }
            .navbar-right .nav-link-light { display: none; }
            .navbar-right .btn-query { display: none; }
            .hero-99 { padding-top: 36px; }
            .hero-stats-bar { gap: 20px; }
            .hero-stat-item .stat-num { font-size: 22px; }
            .feature-group-grid { grid-template-columns: 1fr; }
            .feature-card-99.col-span-3, .feature-card-99.col-span-4, 
            .feature-card-99.col-span-5, .feature-card-99.col-span-6,
            .feature-card-99.col-span-7 { grid-column: span 1; }
            .topic-grid-99 { grid-template-columns: repeat(2, 1fr); }
            .price-grid-99 { grid-template-columns: 1fr; }
            .review-grid-99 { grid-template-columns: 1fr; }
            .case-data-grid { grid-template-columns: 1fr; }
            .news-item-99 { flex-direction: column; align-items: flex-start; }
            .news-item-99 .news-thumb { flex: 0 0 auto; width: 100%; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .rep-bar-item .rep-label { flex: 0 0 80px; font-size: 13px; }
            .cta-form { flex-direction: column; }
            .cta-form input { min-width: 100%; }
            .hero-cover-wrap { aspect-ratio: 16 / 9; }
        }
        @media (max-width: 576px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .hero-left h1 { font-size: 24px; }
            .hero-stats-bar { flex-wrap: wrap; gap: 14px; }
            .hero-stat-item .stat-num { font-size: 20px; }
            .topic-grid-99 { grid-template-columns: 1fr; }
            .review-grid-99 { grid-template-columns: 1fr; }
            .section-heading h2 { font-size: 22px; }
            .cta-inner h2 { font-size: 24px; }
            .btn-accent, .btn-outline-light-99 { font-size: 14px; padding: 12px 22px; }
            .price-card-99 { padding: 22px 18px; }
            .accordion-99 .accordion-button { font-size: 14px; padding: 14px 16px; }
            .accordion-99 .accordion-body { font-size: 13px; padding: 12px 16px 16px; }
        }
        @media (max-width: 400px) {
            .hero-stats-bar { flex-direction: column; gap: 10px; }
            .hero-btns { flex-direction: column; }
            .btn-accent, .btn-outline-light-99 { width: 100%; justify-content: center; }
        }

/* roulang page: category1 */
:root {
        --bg-deep: #121815;
        --bg-panel: #1a2420;
        --bg-light: #eef3f0;
        --card-light: #ffffff;
        --primary: #1f9e5b;
        --primary-hover: #17b968;
        --accent: #c8ff2e;
        --hot: #ff6b35;
        --nav-bg: #1f2937;
        --nav-text: #e5e7eb;
        --text-main: #16201b;
        --text-muted: #5b6b63;
        --border-soft: #dde5e0;
        --border-dark: rgba(255,255,255,0.08);
        --radius-card: 16px;
        --radius-btn: 12px;
        --radius-pill: 50px;
        --shadow-light: 0 6px 18px rgba(23,45,34,0.08);
        --shadow-dark: 0 10px 30px rgba(0,0,0,0.35);
        --shadow-hover: 0 16px 42px rgba(23,45,34,0.16);
        --transition-fast: 160ms ease;
        --transition-med: 260ms ease;
        --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        --section-pad-desktop: 36px;
        --section-pad-tablet: 32px;
        --section-pad-mobile: 28px;
    }
    html { scroll-behavior: smooth; }
    *,
    *::before,
    *::after { box-sizing: border-box; }
    body {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-main);
        background-color: var(--bg-light);
        margin: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a { text-decoration: none; color: var(--primary); transition: color var(--transition-fast); }
    a:hover { color: var(--primary-hover); }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
    img { max-width: 100%; height: auto; display: block; }
    button { cursor: pointer; font-family: var(--font-stack); }
    .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
    section,
    .section {
        padding-top: var(--section-pad-desktop);
        padding-bottom: var(--section-pad-desktop);
        position: relative;
    }
    .section-heading { margin-bottom: 32px; }
    .section-heading .badge-tag {
        display: inline-block;
        background: var(--primary);
        color: #fff;
        font-size: 13px;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: var(--radius-pill);
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }
    .section-heading h2 {
        margin-bottom: 10px;
        font-size: 28px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-main);
    }
    .section-heading p {
        color: var(--text-muted);
        max-width: 720px;
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 0;
    }
    .bg-dark-section {
        background-color: var(--bg-deep);
    }
    .bg-dark-section .section-heading h2,
    .bg-dark-section .section-heading p {
        color: #e5e7eb;
    }
    .bg-dark-section .section-heading .badge-tag {
        background: var(--accent);
        color: var(--text-main);
    }
    .bg-panel-section {
        background-color: var(--bg-panel);
    }
    .bg-panel-section .section-heading h2,
    .bg-panel-section .section-heading p {
        color: #dde5e0;
    }
    .bg-panel-section .section-heading .badge-tag {
        background: var(--accent);
        color: var(--text-main);
    }
    .bg-light-section {
        background-color: var(--bg-light);
    }
    /* ============ 导航 ============ */
    .navbar-main {
        background-color: var(--nav-bg);
        min-height: 64px;
        display: flex;
        align-items: center;
        padding: 0;
        position: sticky;
        top: 0;
        z-index: 1030;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        box-shadow: 0 2px 12px rgba(0,0,0,0.25);
    }
    .navbar-main .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: nowrap;
        width: 100%;
        max-width: 1200px;
        padding-left: 24px;
        padding-right: 24px;
    }
    .navbar-brand-99 {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--nav-text);
        font-weight: 700;
        font-size: 18px;
        letter-spacing: 0.3px;
        white-space: nowrap;
        transition: color var(--transition-fast);
    }
    .navbar-brand-99:hover { color: var(--accent); }
    .navbar-brand-99 .brand-bar {
        display: inline-block;
        width: 6px;
        height: 28px;
        background: var(--accent);
        border-radius: 3px;
    }
    .navbar-menu {
        display: flex;
        align-items: center;
        gap: 0;
        list-style: none;
        margin: 0;
        padding: 0;
        height: 64px;
    }
    .navbar-menu > li {
        height: 100%;
        display: flex;
        align-items: center;
        position: relative;
    }
    .navbar-menu > li + li::before {
        content: '';
        width: 1px;
        height: 22px;
        background: rgba(255,255,255,0.15);
        margin: 0 12px;
    }
    .navbar-menu a {
        color: var(--nav-text);
        font-size: 14px;
        font-weight: 500;
        padding: 8px 6px;
        border-radius: 6px;
        transition: color var(--transition-fast), background var(--transition-fast);
        white-space: nowrap;
    }
    .navbar-menu a:hover { color: var(--accent); background: rgba(255,255,255,0.06); }
    .navbar-menu a.active { color: var(--accent); }
    .navbar-right {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .navbar-right .nav-link-light {
        color: var(--nav-text);
        font-size: 13px;
        font-weight: 500;
        padding: 6px 10px;
        border-radius: 6px;
        transition: color var(--transition-fast), background var(--transition-fast);
        white-space: nowrap;
    }
    .navbar-right .nav-link-light:hover {
        color: var(--accent);
        background: rgba(255,255,255,0.06);
    }
    .btn-query {
        background: transparent;
        border: 1px solid rgba(255,255,255,0.3);
        color: var(--nav-text);
        font-size: 13px;
        padding: 6px 14px;
        border-radius: var(--radius-btn);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 500;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .btn-query:hover {
        border-color: var(--accent);
        color: var(--accent);
        background: rgba(200,255,46,0.08);
    }
    .navbar-toggler-99 {
        background: transparent;
        border: 1px solid rgba(255,255,255,0.25);
        color: var(--nav-text);
        width: 40px;
        height: 40px;
        border-radius: 8px;
        display: none;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        transition: all var(--transition-fast);
        padding: 0;
    }
    .navbar-toggler-99:hover {
        border-color: var(--accent);
        color: var(--accent);
    }
    @media (max-width: 991px) {
        .navbar-menu { display: none; }
        .navbar-toggler-99 { display: inline-flex; }
        .navbar-right .nav-link-light { display: none; }
        .btn-query { display: none; }
    }
    /* Offcanvas 移动端菜单 */
    .offcanvas-99 {
        background-color: var(--nav-bg);
        color: var(--nav-text);
        max-width: 320px;
    }
    .offcanvas-99 .offcanvas-header {
        border-bottom: 1px solid rgba(255,255,255,0.08);
        padding: 16px 20px;
    }
    .offcanvas-99 .offcanvas-title {
        color: var(--nav-text);
        font-size: 16px;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .offcanvas-99 .offcanvas-title .brand-bar {
        display: inline-block;
        width: 5px;
        height: 20px;
        background: var(--accent);
        border-radius: 2px;
    }
    .offcanvas-99 .btn-close {
        filter: invert(1) brightness(200%);
        opacity: 0.7;
    }
    .offcanvas-99 .offcanvas-body {
        padding: 16px 0;
    }
    .offcanvas-99 .mobile-nav-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .offcanvas-99 .mobile-nav-list li {
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .offcanvas-99 .mobile-nav-list a {
        display: block;
        padding: 14px 20px;
        color: var(--nav-text);
        font-size: 15px;
        font-weight: 500;
        transition: all var(--transition-fast);
        border-left: 3px solid transparent;
    }
    .offcanvas-99 .mobile-nav-list a:hover {
        background: rgba(255,255,255,0.05);
        color: var(--accent);
    }
    .offcanvas-99 .mobile-nav-list a.active {
        color: var(--accent);
        border-left-color: var(--accent);
        background: rgba(200,255,46,0.06);
    }
    /* ============ 分类 H1 横幅区 ============ */
    .category-banner {
        background-color: #1a2420;
        background-image: url('/assets/images/9c74e51f36427efb.jpg');
        background-size: cover;
        background-position: center;
        min-height: 180px;
        display: flex;
        align-items: center;
        position: relative;
        padding: 36px 0;
    }
    .category-banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(18,24,21,0.92) 30%, rgba(18,24,21,0.75) 100%);
    }
    .category-banner .container {
        position: relative;
        z-index: 1;
    }
    .breadcrumb-99 {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(229,231,235,0.7);
        margin-bottom: 12px;
        list-style: none;
        padding: 0;
        flex-wrap: wrap;
    }
    .breadcrumb-99 li { display: inline-flex; align-items: center; }
    .breadcrumb-99 li + li::before {
        content: '/';
        margin-right: 8px;
        color: rgba(229,231,235,0.4);
    }
    .breadcrumb-99 a {
        color: rgba(229,231,235,0.75);
        font-size: 13px;
        transition: color var(--transition-fast);
    }
    .breadcrumb-99 a:hover { color: var(--accent); }
    .breadcrumb-99 .current {
        color: var(--accent);
        font-weight: 600;
    }
    .category-banner h1 {
        font-size: 34px;
        font-weight: 700;
        line-height: 1.3;
        color: #ffffff;
        margin-bottom: 8px;
    }
    .category-banner .banner-sub {
        font-size: 15px;
        color: rgba(229,231,235,0.75);
        max-width: 620px;
        margin-bottom: 0;
    }
    /* ============ 查询/筛选工具条 ============ */
    .filter-toolbar {
        background-color: var(--card-light);
        border-bottom: 1px solid var(--border-soft);
        padding: 16px 0;
    }
    .filter-toolbar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }
    .filter-sort-group {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .filter-btn {
        border: 1px solid var(--border-soft);
        background: transparent;
        color: var(--text-muted);
        font-size: 13px;
        padding: 6px 16px;
        border-radius: var(--radius-pill);
        font-weight: 500;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .filter-btn:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: rgba(31,158,91,0.05);
    }
    .filter-btn.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #ffffff;
    }
    .filter-tag-group {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    .filter-tag {
        font-size: 13px;
        padding: 5px 14px;
        border-radius: var(--radius-pill);
        border: 1px dashed var(--border-soft);
        color: var(--text-muted);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .filter-tag:hover {
        border-color: var(--accent);
        color: var(--text-main);
        background: rgba(200,255,46,0.15);
    }
    .filter-tag.active {
        background: var(--accent);
        border-color: var(--accent);
        color: var(--text-main);
        font-weight: 600;
        border-style: solid;
    }
    /* ============ 列表卡片主体 ============ */
    .video-grid-section {
        background-color: var(--bg-light);
    }
    .video-card {
        background: var(--card-light);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-soft);
        box-shadow: var(--shadow-light);
        overflow: hidden;
        transition: all var(--transition-fast);
        display: flex;
        flex-direction: column;
        height: 100%;
    }
    .video-card:hover {
        transform: translateY(-4px);
        border-color: var(--primary);
        box-shadow: var(--shadow-hover);
    }
    .video-card .card-cover {
        position: relative;
        width: 100%;
        aspect-ratio: 16 / 9;
        overflow: hidden;
        background: var(--bg-panel);
    }
    .video-card .card-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-med);
    }
    .video-card:hover .card-cover img {
        transform: scale(1.04);
    }
    .video-card .cover-badge {
        position: absolute;
        top: 10px;
        left: 10px;
        background: var(--hot);
        color: #ffffff;
        font-size: 11px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: var(--radius-pill);
        letter-spacing: 0.3px;
        z-index: 2;
    }
    .video-card .cover-badge.green {
        background: var(--primary);
    }
    .video-card .cover-badge.accent {
        background: var(--accent);
        color: var(--text-main);
    }
    .video-card .cover-play {
        position: absolute;
        bottom: 10px;
        right: 10px;
        width: 36px;
        height: 36px;
        background: rgba(18,24,21,0.75);
        border: 1px solid rgba(255,255,255,0.25);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #ffffff;
        font-size: 14px;
        z-index: 2;
        transition: all var(--transition-fast);
    }
    .video-card:hover .cover-play {
        background: var(--accent);
        color: var(--text-main);
        border-color: var(--accent);
    }
    .video-card .card-body-99 {
        padding: 16px 18px 18px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .video-card .card-title-99 {
        font-size: 17px;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 6px;
        color: var(--text-main);
        transition: color var(--transition-fast);
    }
    .video-card:hover .card-title-99 {
        color: var(--primary);
    }
    .video-card .card-desc-99 {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 12px;
        flex: 1;
    }
    .video-card .card-meta-99 {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--text-muted);
        border-top: 1px solid var(--border-soft);
        padding-top: 10px;
    }
    .video-card .card-meta-99 .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .video-card .card-meta-99 .meta-item i {
        font-size: 12px;
        color: var(--primary);
    }
    /* ============ 相关分类入口 ============ */
    .related-category-section {
        background-color: var(--bg-panel);
    }
    .related-category-section .section-heading h2 {
        color: #dde5e0;
    }
    .related-category-section .section-heading p {
        color: rgba(221,229,224,0.7);
    }
    .related-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
    .related-tag-card {
        background: rgba(255,255,255,0.05);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-card);
        padding: 16px 20px;
        color: #dde5e0;
        font-size: 14px;
        font-weight: 600;
        transition: all var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        white-space: nowrap;
    }
    .related-tag-card i {
        color: var(--accent);
        font-size: 14px;
    }
    .related-tag-card:hover {
        background: rgba(200,255,46,0.08);
        border-color: var(--accent);
        color: var(--accent);
        transform: translateY(-2px);
    }
    /* ============ 热度榜 ============ */
    .rank-section {
        background-color: var(--bg-light);
    }
    .rank-list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .rank-item {
        display: flex;
        align-items: center;
        gap: 14px;
        background: var(--card-light);
        border: 1px solid var(--border-soft);
        border-radius: 12px;
        padding: 12px 16px;
        transition: all var(--transition-fast);
    }
    .rank-item:hover {
        border-color: var(--primary);
        box-shadow: var(--shadow-light);
        transform: translateX(2px);
    }
    .rank-num {
        min-width: 36px;
        text-align: center;
        font-weight: 700;
        font-size: 18px;
        color: var(--text-muted);
    }
    .rank-item:nth-child(1) .rank-num {
        color: var(--hot);
    }
    .rank-item:nth-child(2) .rank-num {
        color: var(--hot);
        opacity: 0.85;
    }
    .rank-item:nth-child(3) .rank-num {
        color: var(--hot);
        opacity: 0.7;
    }
    .rank-item:nth-child(4) .rank-num,
    .rank-item:nth-child(5) .rank-num,
    .rank-item:nth-child(6) .rank-num {
        color: var(--text-muted);
    }
    .rank-thumb {
        width: 64px;
        height: 40px;
        border-radius: 6px;
        overflow: hidden;
        background: var(--bg-panel);
        flex-shrink: 0;
    }
    .rank-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .rank-info {
        flex: 1;
        min-width: 0;
    }
    .rank-title {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-main);
        margin-bottom: 2px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .rank-sub {
        font-size: 12px;
        color: var(--text-muted);
    }
    .rank-count {
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        white-space: nowrap;
    }
    /* ============ 分类更新说明 ============ */
    .rule-section {
        background-color: var(--bg-light);
    }
    .rule-list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .rule-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        background: var(--card-light);
        border: 1px solid var(--border-soft);
        border-radius: 12px;
        padding: 16px 18px;
        transition: all var(--transition-fast);
    }
    .rule-item:hover {
        border-color: var(--primary);
        box-shadow: var(--shadow-light);
    }
    .rule-item .rule-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: rgba(31,158,91,0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 16px;
        flex-shrink: 0;
    }
    .rule-item .rule-text {
        flex: 1;
    }
    .rule-item .rule-text strong {
        display: block;
        font-size: 15px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 4px;
    }
    .rule-item .rule-text span {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
    }
    /* ============ 用户反馈 ============ */
    .feedback-section {
        background-color: var(--bg-panel);
    }
    .feedback-section .section-heading h2 {
        color: #dde5e0;
    }
    .feedback-section .section-heading p {
        color: rgba(221,229,224,0.7);
    }
    .feedback-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 16px;
    }
    .feedback-card {
        background: rgba(255,255,255,0.05);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-card);
        padding: 18px 20px;
        transition: all var(--transition-fast);
    }
    .feedback-card:hover {
        background: rgba(255,255,255,0.08);
        border-color: rgba(200,255,46,0.3);
    }
    .feedback-stars {
        color: var(--accent);
        font-size: 13px;
        margin-bottom: 10px;
        letter-spacing: 2px;
    }
    .feedback-text {
        font-size: 14px;
        color: rgba(221,229,224,0.8);
        line-height: 1.7;
        margin-bottom: 12px;
        min-height: 48px;
    }
    .feedback-user {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        color: rgba(221,229,224,0.6);
        border-top: 1px solid var(--border-dark);
        padding-top: 10px;
    }
    .feedback-user .user-avatar {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(200,255,46,0.15);
        color: var(--accent);
        font-size: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
    }
    /* ============ CTA 转化区 ============ */
    .cta-section {
        background-color: var(--bg-deep);
        background-image: url('/assets/images/de2f2364663c46e1.webp');
        background-size: cover;
        background-position: center;
        padding-top: 48px;
        padding-bottom: 48px;
        position: relative;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(18,24,21,0.93) 0%, rgba(18,24,21,0.85) 100%);
    }
    .cta-section .container {
        position: relative;
        z-index: 1;
    }
    .cta-box {
        background: rgba(26,36,32,0.8);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-card);
        padding: 32px 36px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }
    .cta-box .cta-text {
        flex: 1;
        min-width: 0;
    }
    .cta-box .cta-text h3 {
        font-size: 24px;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 6px;
        line-height: 1.3;
    }
    .cta-box .cta-text p {
        font-size: 14px;
        color: rgba(229,231,235,0.7);
        margin-bottom: 0;
    }
    .cta-box .cta-actions {
        display: flex;
        gap: 12px;
        flex-shrink: 0;
        flex-wrap: wrap;
    }
    .btn-accent {
        background: var(--accent);
        color: var(--text-main);
        font-size: 14px;
        font-weight: 700;
        padding: 10px 24px;
        border-radius: var(--radius-btn);
        border: none;
        transition: all var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .btn-accent:hover {
        background: #d9ff4f;
        color: var(--text-main);
        box-shadow: 0 0 0 4px rgba(200,255,46,0.2);
        transform: translateY(-1px);
    }
    .btn-accent:active {
        transform: translateY(1px);
        box-shadow: 0 0 0 2px rgba(200,255,46,0.25);
    }
    .btn-outline-light-99 {
        background: transparent;
        border: 1px solid rgba(255,255,255,0.35);
        color: #e5e7eb;
        font-size: 14px;
        font-weight: 600;
        padding: 10px 24px;
        border-radius: var(--radius-btn);
        transition: all var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .btn-outline-light-99:hover {
        border-color: var(--accent);
        color: var(--accent);
        background: rgba(200,255,46,0.08);
    }
    /* ============ 页脚 ============ */
    .footer-99 {
        background-color: var(--nav-bg);
        color: var(--nav-text);
        padding-top: 48px;
        padding-bottom: 24px;
    }
    .footer-99 .container {
        max-width: 1200px;
        padding-left: 24px;
        padding-right: 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .footer-brand-99 {
        display: flex;
        align-items: center;
        gap: 8px;
        color: #e5e7eb;
        font-weight: 700;
        font-size: 16px;
        margin-bottom: 12px;
    }
    .footer-brand-99 .brand-bar-footer {
        display: inline-block;
        width: 5px;
        height: 20px;
        background: var(--accent);
        border-radius: 2px;
    }
    .footer-desc {
        font-size: 13px;
        color: rgba(229,231,235,0.6);
        line-height: 1.7;
        margin-bottom: 0;
        max-width: 300px;
    }
    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #e5e7eb;
        margin-bottom: 14px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li + li {
        margin-top: 8px;
    }
    .footer-col ul a {
        color: rgba(229,231,235,0.6);
        font-size: 13px;
        transition: color var(--transition-fast);
    }
    .footer-col ul a:hover {
        color: var(--accent);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.08);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px;
        font-size: 12px;
        color: rgba(229,231,235,0.45);
    }
    .footer-bottom a {
        color: rgba(229,231,235,0.55);
        font-size: 12px;
        transition: color var(--transition-fast);
    }
    .footer-bottom a:hover {
        color: var(--accent);
    }
    /* ============ 响应式 ============ */
    @media (max-width: 991px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feedback-grid {
            grid-template-columns: 1fr 1fr;
        }
        .rule-list {
            grid-template-columns: 1fr;
        }
        .category-banner h1 {
            font-size: 28px;
        }
        .cta-box {
            padding: 24px 28px;
            flex-direction: column;
            align-items: flex-start;
        }
        .cta-box .cta-actions {
            width: 100%;
        }
    }
    @media (max-width: 767px) {
        .category-banner {
            min-height: 150px;
            padding: 24px 0;
        }
        .category-banner h1 {
            font-size: 24px;
        }
        .filter-toolbar .container {
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
        }
        .feedback-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .section,
        section {
            padding-top: var(--section-pad-mobile);
            padding-bottom: var(--section-pad-mobile);
        }
        .video-grid-section .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .cta-box {
            padding: 20px;
        }
        .cta-box .cta-text h3 {
            font-size: 20px;
        }
        .btn-accent,
        .btn-outline-light-99 {
            width: 100%;
            justify-content: center;
        }
    }
    @media (max-width: 575px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .category-banner h1 {
            font-size: 21px;
        }
        .video-grid-section .row {
            --bs-gutter-x: 16px;
        }
        .rank-item {
            padding: 10px 12px;
            gap: 10px;
        }
        .rank-thumb {
            width: 52px;
            height: 34px;
        }
        .rank-title {
            font-size: 13px;
        }
        .related-tags {
            gap: 8px;
        }
        .related-tag-card {
            padding: 10px 14px;
            font-size: 13px;
        }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}