/* roulang page: index */
/* ======== 设计变量 ======== */
        :root {
            --primary: #1F4E42;
            --accent: #E0973A;
            --accent-dark: #C97F2E;
            --secondary: #3E7A6A;
            --bg: #F5F2EA;
            --bg-card: #FFFFFF;
            --dark-text: #14201E;
            --light-text: #DCE8E2;
            --border: #E2DCCF;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 20px rgba(20, 32, 30, 0.06);
            --shadow-lg: 0 12px 32px rgba(20, 32, 30, 0.12);
            --transition: all 0.3s ease;
            --container-w: 1200px;
        }

        /* ======== Reset / Base ======== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background-color: var(--bg);
            color: var(--dark-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: var(--secondary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: 96px 0;
        }
        .section-sm {
            padding: 64px 0;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--dark-text);
            position: relative;
            padding-left: 18px;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-desc {
            font-size: 16px;
            color: rgba(20, 32, 30, 0.7);
            max-width: 640px;
            margin-bottom: 48px;
            line-height: 1.8;
        }
        .text-accent {
            color: var(--accent);
        }

        /* ======== 按钮 ======== */
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #1F1A10;
            border-radius: var(--radius-sm);
            padding: 14px 32px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(224, 151, 58, 0.35);
        }
        .btn-main:hover {
            background: var(--accent-dark);
            color: #1F1A10;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(224, 151, 58, 0.4);
        }
        .btn-main:active {
            transform: scale(0.98);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 12px 30px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(62, 122, 106, 0.1);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-light-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--light-text);
            border: 1.5px solid rgba(220, 232, 226, 0.7);
            border-radius: var(--radius-sm);
            padding: 12px 30px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-light-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-light-outline:active {
            transform: scale(0.98);
        }
        .btn-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--primary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 2px;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-link-arrow i {
            transition: transform 0.3s ease;
        }
        .btn-link-arrow:hover {
            color: var(--accent);
        }
        .btn-link-arrow:hover i {
            transform: translateX(4px);
        }

        /* ======== 导航 ======== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(31, 78, 66, 0.95);
            backdrop-filter: blur(10px);
            transition: background 0.2s ease, box-shadow 0.2s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .site-header.scrolled {
            background: rgba(31, 78, 66, 0.93);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
        }
        .navbar-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            color: #1F1A10;
            font-style: normal;
            flex-shrink: 0;
        }
        .brand-logo .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-nav-wrap {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-item-custom {
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--light-text);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-item-custom:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-item-custom.active {
            color: var(--accent);
            background: rgba(224, 151, 58, 0.12);
            font-weight: 600;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            position: relative;
            width: 220px;
        }
        .search-box input {
            width: 100%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 30px;
            padding: 8px 36px 8px 16px;
            font-size: 13px;
            color: #fff;
            transition: var(--transition);
        }
        .search-box input::placeholder {
            color: rgba(220, 232, 226, 0.5);
        }
        .search-box input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(224, 151, 58, 0.15);
        }
        .search-box i {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(220, 232, 226, 0.6);
            font-size: 13px;
            pointer-events: none;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(220, 232, 226, 0.5);
            border-radius: 20px;
            padding: 6px 18px;
            font-size: 13px;
            color: var(--light-text);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-login:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .btn-start {
            background: var(--accent);
            border-radius: 30px;
            padding: 8px 22px;
            font-size: 13px;
            font-weight: 600;
            color: #1F1A10;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: none;
        }
        .btn-start:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(224, 151, 58, 0.4);
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            font-size: 24px;
            color: #fff;
            cursor: pointer;
            padding: 4px 8px;
        }
        .mobile-menu {
            display: none;
            width: 100%;
            background: rgba(31, 78, 66, 0.97);
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-direction: column;
            gap: 12px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-item-custom {
            padding: 10px 16px;
        }
        .mobile-menu .btn-start,
        .mobile-menu .btn-login {
            width: 100%;
            justify-content: center;
        }
        .mobile-search {
            width: 100%;
            position: relative;
        }
        .mobile-search input {
            width: 100%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 30px;
            padding: 10px 40px 10px 16px;
            font-size: 14px;
            color: #fff;
        }
        .mobile-search input::placeholder {
            color: rgba(220, 232, 226, 0.5);
        }
        .mobile-search i {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(220, 232, 226, 0.6);
        }

        /* ======== Hero ======== */
        .hero-wrap {
            background-color: var(--primary);
            background-image:
                radial-gradient(circle at 85% 20%, rgba(224, 151, 58, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(62, 122, 106, 0.3) 0%, transparent 45%),
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 40px 40px;
            padding: 80px 0 0;
            position: relative;
            overflow: hidden;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
            padding-bottom: 60px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(224, 151, 58, 0.15);
            border: 1px solid rgba(224, 151, 58, 0.3);
            color: var(--accent);
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero-title {
            font-size: 44px;
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-title .highlight {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(220, 232, 226, 0.75);
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-visual {
            position: relative;
        }
        .hero-visual .main-img {
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
        }
        .hero-float-bar {
            position: absolute;
            bottom: -20px;
            left: 24px;
            right: 24px;
            background: rgba(20, 32, 30, 0.88);
            backdrop-filter: blur(12px);
            border-radius: 16px;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid rgba(224, 151, 58, 0.3);
        }
        .hero-float-bar .bar-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #1F1A10;
            flex-shrink: 0;
        }
        .hero-float-bar .bar-text {
            font-size: 13px;
            color: var(--light-text);
            line-height: 1.4;
        }
        .hero-stats {
            display: flex;
            gap: 24px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 20px 28px;
            flex-wrap: wrap;
            border: 1px solid rgba(220, 232, 226, 0.12);
        }
        .hero-stats .stat-item {
            flex: 1;
            text-align: center;
            min-width: 100px;
        }
        .hero-stats .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stats .stat-label {
            font-size: 13px;
            color: rgba(220, 232, 226, 0.7);
            margin-top: 4px;
        }
        .hero-bottom-wrap {
            background: rgba(0, 0, 0, 0.15);
            padding: 24px 0;
        }

        /* ======== 功能分组 ======== */
        .features-wrap {
            padding: 96px 0;
            background: var(--bg);
        }
        .features-grid-top {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 24px;
        }
        .card-feature-lg {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-feature-lg:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-feature-lg .feature-img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            border-radius: 0;
        }
        .card-feature-lg .card-body {
            padding: 28px;
        }
        .card-feature-lg h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark-text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card-feature-lg h3 i {
            color: var(--accent);
            font-size: 22px;
        }
        .card-feature-lg p {
            font-size: 14px;
            color: rgba(20, 32, 30, 0.65);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .features-grid-bottom {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .card-feature-sm {
            background: #EFEAE0;
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            gap: 14px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .card-feature-sm:hover {
            background: rgba(62, 122, 106, 0.08);
            border-color: rgba(62, 122, 106, 0.15);
            transform: translateY(-2px);
        }
        .card-feature-sm .sm-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .card-feature-sm h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark-text);
            margin-bottom: 4px;
        }
        .card-feature-sm p {
            font-size: 13px;
            color: rgba(20, 32, 30, 0.6);
            line-height: 1.5;
        }

        /* ======== 使用场景 ======== */
        .scenario-wrap {
            padding: 96px 0;
            background: linear-gradient(135deg, #E8F0EC 0%, #F5F2EA 100%);
        }
        .scenario-row {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 40px;
            align-items: center;
            margin-bottom: 48px;
        }
        .scenario-row.reverse {
            grid-template-columns: 45% 55%;
        }
        .scenario-row.reverse .scenario-media {
            order: 2;
        }
        .scenario-row.reverse .scenario-content {
            order: 1;
        }
        .scenario-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .scenario-media img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            transition: transform 0.6s ease;
        }
        .scenario-media:hover img {
            transform: scale(1.03);
        }
        .scenario-content {
            padding: 20px 0;
        }
        .scenario-tag {
            display: inline-block;
            background: var(--primary);
            color: var(--light-text);
            border-radius: 30px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
            white-space: nowrap;
        }
        .scenario-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark-text);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .scenario-content p {
            font-size: 15px;
            color: rgba(20, 32, 30, 0.7);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .scenario-separator {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(31, 78, 66, 0.15), transparent);
            margin: 8px 0 48px;
        }

        /* ======== 资讯区 ======== */
        .news-wrap {
            padding: 96px 0;
            background: var(--bg);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
        }
        .news-list-item {
            display: block;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-list-item:first-child {
            padding-top: 0;
        }
        .news-list-item:hover .news-title {
            color: var(--accent);
        }
        .news-meta {
            font-size: 13px;
            color: rgba(20, 32, 30, 0.5);
            margin-bottom: 6px;
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .news-meta .badge-tag {
            background: rgba(62, 122, 106, 0.1);
            color: var(--secondary);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 12px;
        }
        .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark-text);
            transition: var(--transition);
            line-height: 1.5;
        }
        .news-list-item:hover .news-title {
            color: var(--secondary);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-widget {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .sidebar-widget h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--dark-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget h4 i {
            color: var(--accent);
        }
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hot-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .hot-num {
            font-size: 18px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.4;
            min-width: 30px;
        }
        .hot-item a {
            font-size: 14px;
            color: rgba(20, 32, 30, 0.75);
            line-height: 1.5;
            transition: var(--transition);
        }
        .hot-item a:hover {
            color: var(--secondary);
        }
        .sidebar-resource {
            background: var(--primary);
            border-radius: var(--radius-md);
            overflow: hidden;
            color: #fff;
            position: relative;
        }
        .sidebar-resource img {
            width: 100%;
            aspect-ratio: 16/7;
            object-fit: cover;
            border-radius: 0;
        }
        .sidebar-resource .res-content {
            padding: 20px 24px;
        }
        .sidebar-resource h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .sidebar-resource p {
            font-size: 13px;
            color: rgba(220, 232, 226, 0.7);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .btn-sm-main {
            background: var(--accent);
            color: #1F1A10;
            border: none;
            border-radius: 25px;
            padding: 8px 22px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-sm-main:hover {
            background: var(--accent-dark);
            color: #1F1A10;
            transform: translateY(-1px);
        }

        /* ======== 成功案例 ======== */
        .cases-wrap {
            padding: 96px 0;
            background: var(--bg-card);
        }
        .cases-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 32px;
        }
        .case-featured {
            background: var(--primary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            color: #fff;
            display: flex;
            flex-direction: column;
        }
        .case-featured img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            border-radius: 0;
            transition: transform 0.6s ease;
        }
        .case-featured:hover img {
            transform: scale(1.02);
        }
        .case-featured .case-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .case-featured h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .case-featured p {
            font-size: 14px;
            color: rgba(220, 232, 226, 0.75);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .case-data {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .case-data .data-item {
            text-align: center;
        }
        .case-data .data-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
        }
        .case-data .data-label {
            font-size: 13px;
            color: rgba(220, 232, 226, 0.6);
            margin-top: 4px;
        }
        .case-sm-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .card-case-sm {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            gap: 16px;
            align-items: center;
            transition: var(--transition);
        }
        .card-case-sm:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
            border-color: rgba(62, 122, 106, 0.3);
        }
        .card-case-sm .avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
        }
        .card-case-sm .case-info {
            flex: 1;
        }
        .card-case-sm .case-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark-text);
        }
        .card-case-sm .case-desc {
            font-size: 13px;
            color: rgba(20, 32, 30, 0.6);
            line-height: 1.4;
            margin-top: 2px;
        }
        .card-case-sm .case-num {
            font-size: 16px;
            font-weight: 800;
            color: var(--accent);
            white-space: nowrap;
        }

        /* ======== 价格 ======== */
        .pricing-wrap {
            padding: 96px 0;
            background: var(--bg);
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 32px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            background: var(--primary);
            border: 2px solid var(--accent);
            box-shadow: 0 12px 40px rgba(31, 78, 66, 0.3);
            transform: scale(1.02);
        }
        .pricing-card.featured:hover {
            transform: scale(1.02) translateY(-4px);
            box-shadow: 0 20px 50px rgba(31, 78, 66, 0.4);
        }
        .plan-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark-text);
        }
        .pricing-card.featured .plan-name {
            color: #fff;
        }
        .plan-price {
            font-size: 42px;
            font-weight: 800;
            color: var(--dark-text);
            margin-bottom: 4px;
            line-height: 1.1;
        }
        .pricing-card.featured .plan-price {
            color: var(--accent);
        }
        .plan-period {
            font-size: 14px;
            color: rgba(20, 32, 30, 0.5);
            margin-bottom: 24px;
        }
        .pricing-card.featured .plan-period {
            color: rgba(220, 232, 226, 0.6);
        }
        .plan-features {
            margin-bottom: 28px;
            flex: 1;
        }
        .plan-features li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 6px 0;
            font-size: 14px;
            color: rgba(20, 32, 30, 0.75);
            line-height: 1.5;
        }
        .pricing-card.featured .plan-features li {
            color: rgba(220, 232, 226, 0.85);
        }
        .plan-features li i {
            font-size: 12px;
            color: var(--accent);
            margin-top: 4px;
            width: 18px;
            height: 18px;
            background: rgba(224, 151, 58, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .pricing-card.featured .plan-features li i {
            background: rgba(224, 151, 58, 0.2);
        }
        .btn-plan {
            width: 100%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            cursor: pointer;
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-plan:hover {
            background: rgba(62, 122, 106, 0.08);
        }
        .btn-plan.featured-btn {
            background: var(--accent);
            border-color: var(--accent);
            color: #1F1A10;
        }
        .btn-plan.featured-btn:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
        }

        /* ======== FAQ ======== */
        .faq-wrap {
            padding: 96px 0;
            background: linear-gradient(to bottom, #F5F2EA 0%, #E8F0EC 100%);
        }
        .faq-wrap .accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item-custom {
            background: transparent;
            border: none;
            border-bottom: 1px solid rgba(31, 78, 66, 0.1);
            border-radius: 0 !important;
        }
        .accordion-item-custom .accordion-header {
            background: transparent;
        }
        .accordion-item-custom .accordion-button {
            background: transparent;
            color: var(--dark-text);
            font-weight: 600;
            font-size: 16px;
            padding: 20px 0;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 16px;
            border: none;
        }
        .accordion-item-custom .accordion-button::after {
            display: none;
        }
        .accordion-item-custom .accordion-button .faq-num {
            color: var(--accent);
            font-weight: 800;
            font-size: 14px;
            min-width: 32px;
            font-style: normal;
        }
        .accordion-item-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: transparent;
        }
        .accordion-item-custom .accordion-button .arrow-icon {
            margin-left: auto;
            transition: transform 0.3s ease;
            font-size: 14px;
            color: rgba(20, 32, 30, 0.4);
        }
        .accordion-item-custom .accordion-button:not(.collapsed) .arrow-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .accordion-item-custom .accordion-body {
            padding: 0 0 20px;
            color: rgba(20, 32, 30, 0.7);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ======== CTA ======== */
        .cta-wrap {
            padding: 48px 0 96px;
            background: var(--bg);
        }
        .cta-box {
            background: var(--primary);
            border-radius: 24px;
            padding: 60px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
            background-image:
                radial-gradient(circle at 80% 20%, rgba(224, 151, 58, 0.2) 0%, transparent 50%),
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 40px 40px;
        }
        .cta-box h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .cta-box p {
            font-size: 15px;
            color: rgba(220, 232, 226, 0.7);
            line-height: 1.6;
        }
        .btn-pulse {
            position: relative;
            background: var(--accent);
            color: #1F1A10;
            border-radius: 50px;
            padding: 16px 40px;
            font-size: 16px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-pulse::before {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: 50px;
            border: 2px solid var(--accent);
            animation: pulse-ring 2s ease-out infinite;
        }
        .btn-pulse:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }
        @keyframes pulse-ring {
            0% {
                transform: scale(1);
                opacity: 0.8;
            }
            70% {
                transform: scale(1.15);
                opacity: 0;
            }
            100% {
                opacity: 0;
            }
        }

        /* ======== 页脚 ======== */
        .site-footer {
            background: var(--primary);
            color: var(--light-text);
            padding-top: 60px;
        }
        .footer-border {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(220, 232, 226, 0.6);
            margin-top: 12px;
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(220, 232, 226, 0.6);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(220, 232, 226, 0.4);
        }
        .footer-social {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-top: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: rgba(220, 232, 226, 0.7);
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: #1F1A10;
            transform: translateY(-2px);
        }

        /* ======== 响应式 ======== */
        @media (max-width: 992px) {
            .section {
                padding: 64px 0;
            }
            .navbar-nav-wrap {
                display: none;
            }
            .search-box {
                display: none;
            }
            .btn-login {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 60px;
            }
            .hero-title {
                font-size: 32px;
            }
            .features-grid-top {
                grid-template-columns: 1fr;
            }
            .features-grid-bottom {
                grid-template-columns: 1fr 1fr;
            }
            .scenario-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scenario-row.reverse {
                grid-template-columns: 1fr;
            }
            .scenario-row.reverse .scenario-media {
                order: 1;
            }
            .scenario-row.reverse .scenario-content {
                order: 2;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-sidebar .sidebar-widget {
                flex: 1 1 48%;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }
            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: 48px 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .section {
                padding: 48px 0;
            }
            .container {
                padding: 0 16px;
            }
            .hero-wrap {
                padding-top: 48px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-main,
            .hero-actions .btn-light-outline {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .features-grid-bottom {
                grid-template-columns: 1fr;
            }
            .features-wrap,
            .scenario-wrap,
            .news-wrap,
            .cases-wrap,
            .pricing-wrap,
            .faq-wrap,
            .cta-wrap {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .card-feature-lg .card-body {
                padding: 20px;
            }
            .scenario-content h3 {
                font-size: 18px;
            }
            .news-title {
                font-size: 15px;
            }
            .news-sidebar {
                flex-direction: column;
            }
            .news-sidebar .sidebar-widget {
                flex: 1 1 100%;
            }
            .case-featured .case-body {
                padding: 20px;
            }
            .case-data {
                gap: 16px;
            }
            .case-data .data-value {
                font-size: 22px;
            }
            .pricing-card {
                padding: 24px;
            }
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .btn-pulse {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .navbar-wrap {
                height: 64px;
            }
            .brand-logo .logo-text {
                font-size: 15px;
            }
            .btn-start {
                padding: 6px 16px;
                font-size: 12px;
            }
        }

        /* ======== 动画 ======== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up {
            opacity: 0;
        }
        .fade-up.visible {
            animation: fadeUp 0.8s ease forwards;
        }

        /* ======== 焦点状态 ======== */
        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid rgba(224, 151, 58, 0.5);
            outline-offset: 2px;
        }

/* roulang page: category1 */
/* ======== 设计变量 ======== */
:root {
  --primary: #1F4E42;
  --accent: #E0973A;
  --accent-dark: #C97F2E;
  --secondary: #3E7A6A;
  --bg: #F5F2EA;
  --bg-card: #FFFFFF;
  --dark-text: #14201E;
  --light-text: #DCE8E2;
  --border: #E2DCCF;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 20px rgba(20, 32, 30, 0.06);
  --shadow-lg: 0 12px 32px rgba(20, 32, 30, 0.12);
  --transition: all 0.3s ease;
  --container-w: 1200px;
}

/* ======== 基础 Reset ======== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background-color: var(--bg);
  color: var(--dark-text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--secondary); transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
button, input { font-family: inherit; outline: none; border: none; }
ul, ol { list-style: none; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }

/* ======== 通用板块 ======== */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-title {
  font-size: 32px; font-weight: 700; line-height: 1.25;
  margin-bottom: 16px; color: var(--dark-text);
  position: relative; padding-left: 18px;
}
.section-title::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 4px; height: 28px; background: var(--accent); border-radius: 2px;
}
.section-desc {
  font-size: 16px; color: rgba(20, 32, 30, 0.7);
  max-width: 640px; margin-bottom: 48px; line-height: 1.8;
}
.text-accent { color: var(--accent); }

/* ======== 按钮 ======== */
.btn-main {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #1F1A10; border-radius: var(--radius-sm);
  padding: 14px 32px; font-weight: 600; font-size: 15px; border: none;
  transition: var(--transition); cursor: pointer;
  box-shadow: 0 4px 15px rgba(224, 151, 58, 0.35);
}
.btn-main:hover { background: var(--accent-dark); color: #1F1A10; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(224, 151, 58, 0.4); }
.btn-main:active { transform: scale(0.98); }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--primary);
  border: 1.5px solid var(--primary); border-radius: var(--radius-sm);
  padding: 12px 30px; font-weight: 600; font-size: 15px; transition: var(--transition); cursor: pointer;
}
.btn-outline:hover { background: rgba(62, 122, 106, 0.1); color: var(--primary); transform: translateY(-2px); }
.btn-outline:active { transform: scale(0.98); }
.btn-light-outline {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--light-text);
  border: 1.5px solid rgba(220, 232, 226, 0.7); border-radius: var(--radius-sm);
  padding: 12px 30px; font-weight: 600; font-size: 15px; transition: var(--transition); cursor: pointer;
}
.btn-light-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-light-outline:active { transform: scale(0.98); }
.btn-link-arrow {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 600;
  color: var(--primary); border-bottom: 2px solid var(--accent);
  padding-bottom: 2px; transition: var(--transition); cursor: pointer;
}
.btn-link-arrow i { transition: transform 0.3s ease; }
.btn-link-arrow:hover { color: var(--accent); }
.btn-link-arrow:hover i { transform: translateX(4px); }

/* ======== 导航 ======== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(31, 78, 66, 0.95);
  backdrop-filter: blur(10px);
  transition: background 0.2s ease, box-shadow 0.2s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.site-header.scrolled { background: rgba(31, 78, 66, 0.93); box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2); }
.navbar-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; flex-wrap: wrap; gap: 12px;
}
.brand-logo { display: flex; align-items: center; gap: 10px; }
.brand-logo .logo-icon {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px; color: #1F1A10; font-style: normal;
}
.brand-logo .logo-text { font-size: 20px; font-weight: 800; color: #FFFFFF; letter-spacing: 0.5px; }
.navbar-nav-wrap { display: flex; align-items: center; gap: 4px; }
.nav-item-custom {
  display: inline-block; padding: 8px 16px; font-size: 15px; font-weight: 500;
  color: rgba(220, 232, 226, 0.85); border-radius: 999px;
  transition: var(--transition); position: relative;
}
.nav-item-custom:hover { color: var(--accent); background: rgba(255, 255, 255, 0.06); }
.nav-item-custom.active { color: var(--accent); background: rgba(224, 151, 58, 0.16); font-weight: 600; }
.navbar-actions { display: flex; align-items: center; gap: 12px; }
.search-box {
  display: flex; align-items: center; gap: 8px;
  width: 220px; padding: 8px 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px; transition: var(--transition);
}
.search-box:hover, .search-box:focus-within { background: rgba(255, 255, 255, 0.18); border-color: rgba(224, 151, 58, 0.4); }
.search-box i { color: rgba(220, 232, 226, 0.7); font-size: 14px; }
.search-box input {
  background: transparent; border: none; color: var(--light-text);
  font-size: 14px; width: 100%; outline: none;
}
.search-box input::placeholder { color: rgba(220, 232, 226, 0.5); }
.btn-login {
  color: var(--light-text); font-size: 14px; font-weight: 600;
  padding: 8px 18px; border: 1.5px solid rgba(220, 232, 226, 0.4);
  border-radius: 999px; transition: var(--transition);
}
.btn-login:hover { border-color: var(--accent); color: var(--accent); background: rgba(255, 255, 255, 0.05); }
.btn-main.btn-sm { padding: 8px 20px; font-size: 14px; border-radius: 999px; }
.navbar-toggle {
  display: none; background: transparent; border: none; cursor: pointer;
  width: 40px; height: 40px; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.navbar-toggle span { width: 22px; height: 2px; background: var(--light-text); border-radius: 2px; transition: var(--transition); }
.navbar-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggle.active span:nth-child(2) { opacity: 0; }
.navbar-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ======== 分类页标题区 ======== */
.category-page-header {
  position: relative;
  background: var(--primary) url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  background-blend-mode: multiply;
  padding: 88px 0 56px;
  color: var(--light-text);
  text-align: center;
  overflow: hidden;
}
.category-page-header::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(31, 78, 66, 0.92);
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}
.category-page-header .container { position: relative; z-index: 2; }
.breadcrumb-custom {
  display: flex; justify-content: center; gap: 8px;
  font-size: 14px; color: rgba(220, 232, 226, 0.7);
  margin-bottom: 16px;
}
.breadcrumb-custom a { color: rgba(220, 232, 226, 0.85); }
.breadcrumb-custom a:hover { color: var(--accent); }
.category-page-header h1 {
  font-size: 42px; font-weight: 900; color: #FFFFFF;
  line-height: 1.2; margin-bottom: 16px;
}
.category-page-header h1 .text-accent { color: var(--accent); }
.category-page-header .page-desc {
  font-size: 16px; color: rgba(220, 232, 226, 0.85);
  max-width: 700px; margin: 0 auto 36px; line-height: 1.8;
}
.category-tabs {
  display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  padding: 6px; background: rgba(0, 0, 0, 0.25);
  border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.1);
}
.tab-item {
  display: inline-block; padding: 8px 24px; font-size: 14px; font-weight: 500;
  color: rgba(220, 232, 226, 0.85); border-radius: 999px;
  transition: var(--transition); cursor: pointer;
}
.tab-item:hover { color: var(--accent); background: rgba(255, 255, 255, 0.1); }
.tab-item.active { background: var(--accent); color: #1F1A10; font-weight: 600; }

/* ======== 主区域 ======== */
.category-main { padding: 64px 0 96px; }

/* ======== 边缘内容区 ======== */
.featured-section { margin-bottom: 56px; }
.featured-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 24px;
}
.featured-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.featured-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--secondary);
}
.featured-thumb {
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 3; background: #EAE5DA;
}
.featured-large .featured-thumb { aspect-ratio: 16 / 9; }
.featured-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.featured-card:hover .featured-thumb img { transform: scale(1.05); }
.play-icon {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(31, 78, 66, 0.88); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.featured-card:hover .play-icon { transform: translate(-50%, -50%) scale(1.1); background: var(--accent); color: #1F1A10; }
.featured-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.featured-body h3 { font-size: 20px; font-weight: 700; color: var(--dark-text); margin: 12px 0 8px; line-height: 1.4; }
.featured-body p { font-size: 14px; color: rgba(20, 32, 30, 0.65); line-height: 1.7; flex: 1; }
.meta-info {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-top: 14px; font-size: 13px; color: rgba(20, 32, 30, 0.5);
}
.meta-info i { margin-right: 4px; color: var(--secondary); }

/* ======== 徽章 ======== */
.badge {
  display: inline-flex; align-items: center;
  padding: 4px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 500; line-height: 1.6;
}
.badge-accent { background: var(--accent); color: #1F1A10; }
.badge-outline { background: transparent; color: var(--secondary); border: 1px solid var(--secondary); }
.badge-dark { background: var(--primary); color: var(--light-text); }

/* ======== 列表主体区 ======== */
.list-section { margin-bottom: 24px; }
.list-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.list-header h2 { font-size: 26px; font-weight: 700; color: var(--dark-text); position: relative; padding-left: 14px; }
.list-header h2::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 4px; height: 24px; background: var(--accent); border-radius: 2px;
}
.sort-bar { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(20, 32, 30, 0.5); }
.sort-bar a { color: rgba(20, 32, 30, 0.55); font-weight: 500; padding: 4px 10px; border-radius: 999px; transition: var(--transition); }
.sort-bar a:hover { color: var(--secondary); }
.sort-bar a.active { background: rgba(62, 122, 106, 0.12); color: var(--primary); font-weight: 600; }

/* 视频列表 */
.video-list { display: flex; flex-direction: column; }
.video-list-item {
  display: flex; gap: 20px; padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.video-list-item:last-child { border-bottom: none; }
.video-list-item:hover { background: rgba(245, 242, 234, 0.6); }
.video-thumb {
  flex-shrink: 0; width: 220px; aspect-ratio: 16 / 10;
  border-radius: var(--radius-md); overflow: hidden;
  position: relative; display: block;
}
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.video-list-item:hover .video-thumb img { transform: scale(1.08); }
.duration {
  position: absolute; right: 8px; bottom: 8px;
  background: rgba(20, 32, 30, 0.8); color: #FFFFFF;
  font-size: 12px; padding: 2px 10px; border-radius: 999px;
}
.video-info { flex: 1; display: flex; flex-direction: column; }
.video-info h3 { font-size: 20px; font-weight: 700; margin: 8px 0 8px; line-height: 1.4; }
.video-info h3 a { color: var(--dark-text); transition: var(--transition); }
.video-info h3 a:hover { color: var(--secondary); }
.video-info p {
  font-size: 14px; color: rgba(20, 32, 30, 0.6); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* 分页 */
.pagination-custom {
  display: flex; justify-content: center; gap: 8px;
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid var(--border);
}
.page-link-custom {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 12px;
  border-radius: 999px; font-size: 15px; font-weight: 500;
  color: var(--dark-text); background: var(--bg-card);
  border: 1px solid var(--border); transition: var(--transition);
}
.page-link-custom:hover { border-color: var(--secondary); color: var(--primary); background: rgba(62, 122, 106, 0.05); }
.page-link-custom.active { background: var(--accent); color: #1F1A10; border-color: var(--accent); font-weight: 700; }
.page-link-custom.disabled { opacity: 0.4; pointer-events: none; }
.page-link-custom.dots { border: none; background: transparent; }

/* ======== 侧栏 ======== */
.sidebar-widget {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: 24px; margin-bottom: 28px;
}
.sidebar-widget h5 {
  font-size: 18px; font-weight: 700; color: var(--dark-text);
  margin-bottom: 18px; position: relative; padding-left: 14px;
}
.sidebar-widget h5::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 4px; height: 20px; background: var(--accent); border-radius: 2px;
}
.search-form { display: flex; align-items: center; gap: 0; }
.search-form input {
  flex: 1; padding: 10px 16px;
  background: var(--bg); border: 1px solid var(--border);
  border-right: none; border-radius: 999px 0 0 999px;
  font-size: 14px; color: var(--dark-text); transition: var(--transition);
}
.search-form input:focus { border-color: var(--accent); }
.search-form input::placeholder { color: rgba(20, 32, 30, 0.4); }
.search-form button {
  width: 46px; height: 44px; background: var(--accent);
  color: #1F1A10; border-radius: 0 999px 999px 0;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition);
}
.search-form button:hover { background: var(--accent-dark); }

/* 热门排行 */
.hot-list { display: flex; flex-direction: column; gap: 16px; }
.hot-item { display: flex; gap: 14px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid rgba(226, 220, 207, 0.5); }
.hot-item:last-child { border-bottom: none; }
.hot-num {
  flex-shrink: 0; font-size: 24px; font-weight: 800;
  color: var(--accent); line-height: 1; min-width: 32px; text-align: center;
}
.hot-info { flex: 1; }
.hot-info a {
  font-size: 14px; font-weight: 600; color: var(--dark-text);
  line-height: 1.5; transition: var(--transition); display: block;
}
.hot-info a:hover { color: var(--secondary); }
.hot-info span { font-size: 12px; color: rgba(20, 32, 30, 0.5); }

/* 推荐资源卡 */
.resource-widget { padding: 0; background: var(--primary); border: none; overflow: hidden; }
.resource-card {
  padding: 24px; background: var(--primary);
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--light-text);
}
.resource-card img {
  width: 100%; aspect-ratio: 16 / 10; object-fit: cover;
  border-radius: var(--radius-md); margin-bottom: 16px;
}
.resource-card h5 { font-size: 18px; font-weight: 700; color: #FFFFFF; margin-bottom: 8px; padding-left: 0; }
.resource-card h5::before { display: none; }
.resource-card p { font-size: 14px; color: rgba(220, 232, 226, 0.75); line-height: 1.7; margin-bottom: 16px; }
.resource-card .btn-main { width: 100%; }

/* ======== CTA条 ======== */
.cta-bar {
  background: linear-gradient(135deg, #F3E6CE, #F5F2EA);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
  border: 1px solid rgba(224, 151, 58, 0.2);
  margin-top: 32px;
}
.cta-bar .cta-text h3 { font-size: 26px; font-weight: 800; color: var(--dark-text); margin-bottom: 6px; }
.cta-bar .cta-text p { font-size: 15px; color: rgba(20, 32, 30, 0.6); }
.cta-bar .btn-main { background: var(--primary); color: var(--light-text); box-shadow: 0 4px 15px rgba(31, 78, 66, 0.3); }
.cta-bar .btn-main:hover { background: var(--secondary); }

/* ======== 页脚 ======== */
.site-footer {
  background: var(--primary);
  color: var(--light-text);
  padding: 56px 0 0;
  position: relative;
}
.footer-border {
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(220, 232, 226, 0.12);
}
.footer-brand p { font-size: 14px; color: rgba(220, 232, 226, 0.7); margin-top: 14px; line-height: 1.8; }
.footer-col h5 { font-size: 16px; font-weight: 700; color: #FFFFFF; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(220, 232, 226, 0.65); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0; flex-wrap: wrap; gap: 16px;
}
.footer-bottom > div { font-size: 14px; color: rgba(220, 232, 226, 0.55); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.08); color: var(--light-text);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: #1F1A10; transform: translateY(-2px); }

/* ======== 动画 ======== */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ======== 响应式 ======== */
@media (max-width: 991px) {
  .navbar-wrap { height: auto; padding: 12px 0; }
  .navbar-nav-wrap { order: 3; width: 100%; overflow-x: auto; justify-content: flex-start; }
  .navbar-actions { gap: 8px; }
  .search-box { width: 160px; }
  .featured-grid { grid-template-columns: 1fr 1fr; }
  .featured-large { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section { padding: 64px 0; }
  .category-page-header { padding: 64px 0 40px; }
  .category-page-header h1 { font-size: 32px; }
}

@media (max-width: 767px) {
  .navbar-toggle { display: flex; }
  .navbar-nav-wrap, .navbar-actions { display: none; }
  .navbar-nav-wrap.open, .navbar-actions.open {
    display: flex; flex-direction: column; width: 100%;
    background: rgba(31, 78, 66, 0.98); border-radius: var(--radius-md);
    padding: 16px; gap: 8px; align-items: stretch;
  }
  .navbar-nav-wrap.open { order: 2; }
  .navbar-actions.open { order: 3; }
  .nav-item-custom { text-align: center; }
  .search-box { width: 100%; }
  .featured-grid { grid-template-columns: 1fr; }
  .category-tabs { border-radius: var(--radius-md); padding: 8px; width: 100%; }
  .tab-item { flex: 1; text-align: center; padding: 8px 12px; }
  .video-list-item { flex-direction: column; gap: 14px; }
  .video-thumb { width: 100%; aspect-ratio: 16 / 9; }
  .list-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .cta-bar { padding: 32px 24px; flex-direction: column; text-align: center; }
  .cta-bar .btn-main { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .section { padding: 48px 0; }
  .category-page-header h1 { font-size: 26px; }
  .category-page-header .page-desc { font-size: 14px; }
  .featured-body h3 { font-size: 18px; }
  .list-header h2 { font-size: 22px; }
  .video-info h3 { font-size: 17px; }
  .sidebar-widget { padding: 20px; }
  .pagination-custom { flex-wrap: wrap; }
  .brand-logo .logo-text { font-size: 17px; }
}

/* 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}