/* roulang page: index */
:root {
            --primary: #1B6B83;
            --primary-light: #E7F1F5;
            --primary-dark: #145567;
            --accent: #F5A623;
            --accent-dark: #d9880e;
            --bg: #F4F9FB;
            --card: #FFFFFF;
            --text: #1F3844;
            --text-muted: #5B7A86;
            --text-weak: #93ACB6;
            --border: #E3EEF2;
            --success: #21A67A;
            --warning: #E4653C;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-lg: 0 16px 40px rgba(27, 107, 131, 0.08);
            --shadow-md: 0 6px 16px rgba(27, 107, 131, 0.06);
            --shadow-hover: 0 12px 28px rgba(27, 107, 131, 0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 767px) {
            .container-custom {
                padding: 0 16px;
            }
        }
        .section-space {
            padding: 88px 0;
        }
        @media (max-width: 767px) {
            .section-space {
                padding: 48px 0;
            }
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 0;
            position: relative;
        }
        .section-header h2::after {
            content: "";
            display: block;
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: var(--accent);
            margin-top: 8px;
        }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 999px;
            background: var(--primary-light);
            transition: all .25s ease;
        }
        .section-link:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(2px);
        }
        @media (max-width: 767px) {
            .section-header h2 {
                font-size: 24px;
            }
        }

        /* ======= Buttons ======= */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 12px;
            transition: all .25s ease;
            border: 0;
            cursor: pointer;
            line-height: 1.5;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 6px rgba(27, 107, 131, 0.12);
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }
        .btn-outline-custom {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-live {
            background: var(--accent);
            color: #fff;
            position: relative;
            padding-left: 32px;
        }
        .btn-live::before {
            content: "";
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ff4d4f;
            margin-right: 4px;
            animation: pulse 1.6s infinite;
        }
        .btn-live:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
        }
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 77, 79, .5);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(255, 77, 79, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 77, 79, 0);
            }
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 17px;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        /* ======= Badges ======= */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            line-height: 1.5;
        }
        .badge-info-light {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-live-dot {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border);
        }
        .badge-live-dot::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }
        .news-badge {
            display: inline-block;
            padding: 3px 12px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ======= Navbar ======= */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1050;
            padding: 8px 0;
        }
        .navbar-card {
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            border: 1px solid rgba(227, 238, 242, .6);
            transition: box-shadow .3s ease;
        }
        .navbar-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 4px 0;
        }
        .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: .3px;
        }
        .navbar-nav-wrap {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-item-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 12px;
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            transition: all .25s ease;
            position: relative;
        }
        .nav-item-card i {
            font-size: 16px;
            color: var(--primary);
            opacity: .75;
        }
        .nav-item-card:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-item-card.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-item-card.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }
        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 0;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .mobile-nav-collapse {
            display: none;
            background: #fff;
            border-radius: 14px;
            box-shadow: var(--shadow-md);
            padding: 12px;
            margin-top: 10px;
        }
        .mobile-nav-collapse.show {
            display: block;
        }
        .mobile-nav-collapse .nav-item-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 12px;
            font-size: 16px;
            color: var(--text);
            width: 100%;
        }
        .mobile-nav-collapse .nav-item-card i {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 15px;
        }
        .mobile-nav-collapse .nav-item-card.active {
            background: var(--primary-light);
            font-weight: 600;
        }
        @media (max-width: 991px) {
            .navbar-nav-wrap {
                display: none;
            }
            .navbar-toggle {
                display: inline-flex;
            }
            .navbar-card {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 520px) {
            .brand-text {
                font-size: 15px;
            }
            .navbar-cta .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
        }

        /* ======= Hero ======= */
        .hero-section {
            padding: 36px 0 0;
        }
        .hero-card {
            background: linear-gradient(135deg, #F0F7FA 0%, #fff 100%);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            border: 1px solid rgba(227, 238, 242, .5);
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-content {
            padding: 56px 48px;
        }
        .hero-badges {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 22px;
            flex-wrap: wrap;
        }
        .hero-title {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin: 0 0 16px;
            letter-spacing: .5px;
        }
        .hero-title span {
            color: var(--primary);
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 30px;
            max-width: 460px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-cover {
            position: relative;
            padding: 32px;
            height: 100%;
            min-height: 480px;
        }
        .hero-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
        }
        .hero-cover::before {
            content: "";
            position: absolute;
            top: 24px;
            left: 24px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(245, 166, 35, .15);
            filter: blur(30px);
            z-index: 0;
        }
        .hero-cover img {
            position: relative;
            z-index: 1;
        }
        .hero-cover-info {
            position: absolute;
            bottom: 48px;
            left: 48px;
            right: 48px;
            z-index: 2;
            background: linear-gradient(180deg, transparent, rgba(18, 58, 70, .85));
            border-radius: 16px;
            padding: 28px 20px 16px;
            color: #fff;
            text-align: left;
        }
        .hero-cover-info .cover-badge {
            font-size: 12px;
            background: rgba(245, 166, 35, .9);
            color: #fff;
            padding: 2px 12px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .hero-cover-info p {
            margin: 0;
            font-size: 14px;
            line-height: 1.6;
            opacity: .9;
        }
        @media (max-width: 1199px) {
            .hero-content {
                padding: 40px 32px;
            }
        }
        @media (max-width: 991px) {
            .hero-card {
                flex-direction: column;
                min-height: auto;
            }
            .hero-content {
                padding: 36px 24px;
            }
            .hero-cover {
                min-height: 320px;
                padding: 20px;
                width: 100%;
            }
            .hero-cover-info {
                bottom: 36px;
                left: 36px;
                right: 36px;
            }
            .hero-title {
                font-size: 32px;
            }
        }
        @media (max-width: 767px) {
            .hero-title {
                font-size: 28px;
                line-height: 1.35;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-cover {
                min-height: 240px;
                padding: 12px;
            }
            .hero-cover-info {
                bottom: 24px;
                left: 24px;
                right: 24px;
                padding: 20px 14px 12px;
            }
        }

        /* ======= Countdown ======= */
        .countdown-section {
            padding: 72px 0;
        }
        .countdown-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 28px;
        }
        .countdown-label {
            font-size: 16px;
            color: var(--text-muted);
            font-weight: 600;
            margin-bottom: 14px;
        }
        .countdown-timer {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .countdown-item {
            text-align: center;
            min-width: 76px;
        }
        .countdown-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 76px;
            height: 76px;
            border-radius: 18px;
            background: var(--primary-light);
            color: var(--accent-dark);
            font-size: 36px;
            font-weight: 700;
            font-family: "Inter", "SF Pro Display", var(--font-family);
            line-height: 1;
        }
        .countdown-unit {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 8px;
            display: block;
        }
        .countdown-sep {
            font-size: 28px;
            color: var(--text-weak);
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 20px;
        }
        .countdown-status {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--primary-light);
            padding: 14px 22px;
            border-radius: 14px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
        }
        .countdown-status i {
            font-size: 18px;
            color: var(--accent);
        }
        @media (max-width: 767px) {
            .countdown-card {
                padding: 28px 20px;
                flex-direction: column;
                align-items: stretch;
                gap: 24px;
            }
            .countdown-timer {
                flex-wrap: wrap;
                justify-content: center;
            }
            .countdown-item {
                min-width: 64px;
            }
            .countdown-num {
                width: 64px;
                height: 64px;
                font-size: 28px;
                border-radius: 16px;
            }
            .countdown-status {
                justify-content: center;
            }
        }

        /* ======= Highlights ======= */
        .highlights-section {
            padding: 80px 0;
            background: #fff;
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .highlight-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            border: 1px solid transparent;
            transition: all .3s ease;
        }
        .highlight-card:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
            border-color: var(--border);
            transform: translateY(-4px);
        }
        .highlight-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .highlight-text h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 6px;
        }
        .highlight-text p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        @media (max-width: 991px) {
            .highlights-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767px) {
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .highlight-card {
                padding: 20px 18px;
            }
        }

        /* ======= Subscribe ======= */
        .subscribe-section {
            padding: 80px 0;
        }
        .subscribe-card {
            background: var(--primary-light);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            border: 1px solid rgba(227, 238, 242, .8);
        }
        .subscribe-card h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .subscribe-card p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 28px;
        }
        .subscribe-form {
            display: flex;
            justify-content: center;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto 14px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            height: 46px;
            border: 2px solid #d6e6ec;
            border-radius: 12px;
            padding: 0 18px;
            font-size: 15px;
            background: #fff;
            color: var(--text);
            outline: none;
            transition: all .25s ease;
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(27, 107, 131, .1);
        }
        .subscribe-form input.is-invalid {
            border-color: var(--warning);
        }
        .subscribe-form .btn {
            height: 46px;
            white-space: nowrap;
        }
        .subscribe-note {
            font-size: 13px;
            color: var(--text-weak);
        }
        @media (max-width: 767px) {
            .subscribe-card {
                padding: 32px 20px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-form .btn {
                width: 100%;
            }
        }

        /* ======= Replay ======= */
        .replay-section {
            padding: 80px 0;
            background: #fff;
        }
        .replay-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(227, 238, 242, .5);
            transition: all .3s ease;
            height: 100%;
        }
        .replay-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: var(--text);
        }
        .replay-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary-light);
        }
        .replay-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .replay-card:hover .replay-cover img {
            transform: scale(1.03);
        }
        .play-btn {
            position: absolute;
            bottom: 12px;
            right: 12px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(27, 107, 131, .9);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all .3s ease;
            backdrop-filter: blur(4px);
        }
        .replay-card:hover .play-btn {
            background: var(--accent);
            transform: scale(1.05);
        }
        .replay-info {
            padding: 20px;
        }
        .replay-info h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .replay-meta {
            font-size: 13px;
            color: var(--text-weak);
        }
        @media (max-width: 991px) {
            .replay-section .col-md-6 {
                margin-bottom: 16px;
            }
        }

        /* ======= News / CMS ======= */
        .news-section {
            padding: 80px 0;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-card {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid transparent;
            border-left: 4px solid var(--primary);
            transition: all .3s ease;
            gap: 18px;
        }
        .news-card:hover {
            background: var(--primary-light);
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
            border-left-color: var(--accent);
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-summary {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-time {
            font-size: 13px;
            color: var(--text-weak);
            white-space: nowrap;
            font-family: "Inter", var(--font-family);
        }
        .news-empty {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 56px 24px;
            text-align: center;
        }
        .news-empty .empty-icon {
            width: 72px;
            height: 72px;
            border-radius: 24px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            margin: 0 auto 18px;
        }
        .news-empty p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 20px;
        }
        @media (max-width: 767px) {
            .news-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px;
            }
            .news-title {
                white-space: normal;
            }
            .news-summary {
                white-space: normal;
            }
            .news-time {
                align-self: flex-end;
            }
        }

        /* ======= FAQ ======= */
        .faq-section {
            padding: 80px 0;
            background: #fff;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(227, 238, 242, .5);
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            border: 0;
            width: 100%;
            text-align: left;
            transition: background .25s ease;
        }
        .faq-question:hover {
            background: var(--primary-light);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
            transition: all .3s ease;
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 22px;
        }
        @media (max-width: 991px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767px) {
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer {
                font-size: 14px;
            }
        }

        /* ======= CTA ======= */
        .cta-section {
            padding: 80px 0 0;
        }
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -20px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -20px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
        }
        .cta-banner h2 {
            font-size: 30px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, .8);
            font-size: 16px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
            background: var(--accent);
            color: #fff;
        }
        .cta-banner .btn:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }
        @media (max-width: 767px) {
            .cta-banner {
                padding: 40px 20px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
        }

        /* ======= Footer ======= */
        .site-footer {
            background: #123A46;
            color: rgba(255, 255, 255, .75);
            margin-top: 80px;
        }
        .footer-top {
            padding: 72px 0 48px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand-text .brand-logo {
            background: rgba(255, 255, 255, .12);
            color: #fff;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            opacity: .75;
            max-width: 360px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            transition: all .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            margin-bottom: 14px;
        }
        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            opacity: .65;
        }
        @media (max-width: 991px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ======= Table / misc overrides ======= */
        .btn:active,
        .btn:focus {
            box-shadow: none;
            outline: none;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .faq-question:focus-visible,
        .nav-item-card:focus-visible,
        .navbar-toggle:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 8px;
        }
        .section {
            position: relative;
        }

        /* ======= Extra responsive ======= */
        @media (max-width: 575px) {
            .container-custom {
                padding: 0 14px;
            }
            .countdown-num {
                width: 58px;
                height: 58px;
                font-size: 24px;
            }
            .countdown-timer {
                gap: 6px;
            }
            .countdown-sep {
                width: 12px;
                font-size: 22px;
            }
            .hero-cover-info p {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #1b6b83;
  --primary-dark: #145668;
  --primary-light: #e7f1f5;
  --accent: #f5a623;
  --bg: #f4f9fb;
  --card-bg: #fff;
  --text: #1f3844;
  --text-sub: #5b7a86;
  --text-muted: #93acb6;
  --border: #e3eef2;
  --success: #21a67a;
  --warning: #e4653c;
  --shadow-sm: 0 6px 16px rgba(27, 107, 131, 0.06);
  --shadow-md: 0 16px 40px rgba(27, 107, 131, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container-w: 1280px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Inter", "SF Pro Display", sans-serif;
}

/* ===== Reset & Base ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--accent);
}
img {
  max-width: 100%;
  display: block;
}
button,
input {
  font-family: inherit;
}
.container-custom {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 767px) {
  .container-custom {
    padding: 0 16px;
  }
}

/* ===== 按钮 ===== */
.btn-primary-custom {
  background: var(--primary);
  color: #fff;
  padding: 11px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .22s ease;
  cursor: pointer;
  line-height: 1.4;
}
.btn-primary-custom:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(27, 107, 131, 0.18);
}
.btn-primary-custom:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-outline-custom {
  background: #fff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  padding: 10px 26px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .22s ease;
  cursor: pointer;
  line-height: 1.4;
}
.btn-outline-custom:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-live {
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 8px 18px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  transition: background .2s ease;
  position: relative;
}
.btn-live::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--warning);
  border-radius: 50%;
  animation: pulse 1.4s infinite;
}
.btn-live:hover {
  background: #df9217;
  color: #fff;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ===== 导航卡片面板 ===== */
.navbar-card {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  position: sticky;
  top: 14px;
  z-index: 1000;
  margin-top: 20px;
  gap: 16px;
  flex-wrap: wrap;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .5px;
  flex-shrink: 0;
}
.brand-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.navbar-nav-wrap {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.navbar-nav-wrap > li {
  margin: 0;
}
.nav-item-card {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 12px;
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  transition: all .2s ease;
  white-space: nowrap;
}
.nav-item-card:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.nav-item-card.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  box-shadow: inset 0 -3px 0 var(--primary);
}
.navbar-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s ease;
}
.navbar-toggle:hover {
  background: var(--primary-light);
}

/* ===== 分类页页头区 ===== */
.category-hero {
  padding: 80px 0 40px;
}
.category-hero .hero-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}
.category-hero .hero-left {
  flex-shrink: 0;
}
.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.category-hero h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 14px;
}
.category-hero .hero-desc {
  color: var(--text-sub);
  font-size: 16px;
  max-width: 540px;
  line-height: 1.8;
  margin: 0;
}

/* ===== 分类页主体 8+4 ===== */
.category-main {
  padding: 24px 0 72px;
}
.main-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 48px;
  height: 100%;
}
.content-section {
  margin-bottom: 40px;
}
.content-section:last-child {
  margin-bottom: 0;
}
.content-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 14px;
  line-height: 1.45;
  position: relative;
}
.content-section p {
  color: var(--text-sub);
  line-height: 1.9;
  margin-bottom: 14px;
  font-size: 15.5px;
}
.content-section p:last-child {
  margin-bottom: 0;
}
.content-image {
  border-radius: 14px;
  overflow: hidden;
  margin: 28px auto;
  max-width: 72%;
  box-shadow: var(--shadow-sm);
}
.content-image img {
  width: 100%;
  height: auto;
}
.step-list {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 18px 0 6px;
}
.step-list li {
  position: relative;
  padding: 0 0 22px 44px;
  color: var(--text-sub);
  line-height: 1.8;
  font-size: 15px;
}
.step-list li:last-child {
  padding-bottom: 0;
}
.step-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 30px;
  height: 30px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

/* ===== 侧边面板 ===== */
.side-panel {
  height: 100%;
  border-left: 1px solid var(--border);
  padding-left: 36px;
}
.side-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.side-title::after {
  content: "";
  flex: 1;
  height: 2px;
  background: var(--primary-light);
  margin-left: 8px;
}
.side-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.side-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  background: var(--card-bg);
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: all .22s ease;
  font-size: 15px;
  font-weight: 500;
}
.side-list a:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  color: var(--primary);
  background: var(--primary-light);
}
.side-list a i {
  width: 36px;
  height: 36px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 15px;
  flex-shrink: 0;
  transition: background .2s ease;
}
.side-list a:hover i {
  background: #fff;
}
.side-note {
  background: var(--primary-light);
  border-radius: 14px;
  padding: 20px;
}
.side-note h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--primary);
}
.side-note p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
  margin: 0;
}

/* ===== 关联推荐 ===== */
.recommend-section {
  padding: 16px 0 72px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
}
.section-title {
  font-size: 30px;
  font-weight: 700;
  margin: 0;
}
.section-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.section-link i {
  transition: transform .2s ease;
}
.section-link:hover i {
  transform: translateX(4px);
}
.card-recommend {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all .3s ease;
  display: block;
  color: var(--text);
  height: 100%;
}
.card-recommend:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  color: var(--text);
}
.card-recommend .card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--primary-light);
}
.card-recommend .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.card-recommend:hover .card-img img {
  transform: scale(1.03);
}
.card-recommend .card-img .play-badge {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(27, 107, 131, 0.2);
  transition: transform .2s ease;
}
.card-recommend:hover .play-badge {
  transform: scale(1.08);
}
.card-recommend .card-body {
  padding: 18px 20px;
}
.card-recommend .card-body h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.card-recommend .card-body .card-meta {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== CTA ===== */
.cta-banner {
  background: var(--primary-light);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  margin-bottom: 80px;
}
.cta-banner h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 12px;
}
.cta-banner p {
  color: var(--text-sub);
  max-width: 540px;
  margin: 0 auto 28px;
  font-size: 16px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 0 0 80px;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.faq-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 26px 28px;
  transition: box-shadow .25s ease;
}
.faq-card:hover {
  box-shadow: var(--shadow-md);
}
.faq-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px;
  padding-left: 22px;
  position: relative;
}
.faq-card h3::before {
  content: "+";
  position: absolute;
  left: 0;
  top: -1px;
  width: 18px;
  height: 18px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.faq-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-sub);
  margin: 0;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #123a46;
  color: #b8cdd6;
  padding: 56px 0 24px;
  border-radius: 32px 32px 0 0;
  margin-top: 80px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand-text {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer-brand-text .brand-logo {
  background: rgba(255, 255, 255, 0.15);
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
  max-width: 320px;
  color: #9dbac4;
}
.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 16px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 6px;
}
.footer-links a {
  color: #b8cdd6;
  font-size: 14px;
  text-decoration: none;
  transition: color .2s ease;
  line-height: 2;
}
.footer-links a:hover {
  color: #fff;
}
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 2.1;
  color: #b8cdd6;
}
.footer-contact i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: #7fa1ac;
  font-size: 13px;
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .category-hero .hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .category-main .main-card {
    padding: 32px;
  }
  .side-panel {
    border-left: 0;
    padding-left: 0;
    margin-top: 32px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .navbar-nav-wrap {
    gap: 2px;
  }
  .nav-item-card {
    padding: 8px 12px;
    font-size: 14px;
  }
}
@media (max-width: 767px) {
  .navbar-card {
    padding: 12px 16px;
    gap: 10px;
  }
  .navbar-nav-wrap {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0 4px;
    gap: 4px;
    border-top: 1px solid var(--border);
    margin-top: 4px;
  }
  .navbar-nav-wrap.open {
    display: flex;
  }
  .nav-item-card {
    width: 100%;
    padding: 13px 16px;
    font-size: 15px;
    justify-content: flex-start;
  }
  .navbar-toggle {
    display: inline-flex;
  }
  .category-hero {
    padding: 48px 0 24px;
  }
  .category-hero h1 {
    font-size: 30px;
  }
  .category-main {
    padding: 16px 0 48px;
  }
  .category-main .main-card {
    padding: 24px 20px;
    border-radius: 16px;
  }
  .content-section h2 {
    font-size: 20px;
  }
  .content-section p {
    font-size: 15px;
  }
  .content-image {
    max-width: 100%;
  }
  .recommend-section {
    padding: 8px 0 48px;
  }
  .section-title {
    font-size: 24px;
  }
  .cta-banner {
    padding: 36px 20px;
    margin-bottom: 48px;
    border-radius: 18px;
  }
  .cta-banner h2 {
    font-size: 22px;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .cta-buttons .btn-primary-custom,
  .cta-buttons .btn-outline-custom {
    width: 100%;
    justify-content: center;
  }
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .faq-card {
    padding: 20px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-contact li {
    font-size: 13px;
  }
  .navbar-cta .btn-live {
    display: none !important;
  }
}
@media (max-width: 520px) {
  .brand-text {
    font-size: 16px;
  }
  .brand-logo {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }
  .nav-item-card span {
    font-size: 15px;
  }
  .step-list li {
    padding-left: 38px;
  }
  .step-list li::before {
    width: 26px;
    height: 26px;
    font-size: 12px;
  }
}

/* roulang page: article */
:root {
  --primary: #1B6B83;
  --primary-dark: #14525F;
  --primary-light: #E7F1F5;
  --accent: #F5A623;
  --accent-dark: #D98D16;
  --bg: #F4F9FB;
  --card: #FFFFFF;
  --text: #1F3844;
  --text-secondary: #5B7A86;
  --text-muted: #93ACB6;
  --border: #E3EEF2;
  --success: #21A67A;
  --warning: #E4653C;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 16px 40px rgba(27,107,131,0.08);
  --shadow-md: 0 6px 16px rgba(27,107,131,0.06);
  --font-stack: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Helvetica Neue', Arial, sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--primary-dark);
}
img {
  max-width: 100%;
  display: block;
}
.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.site-header {
  padding: 16px 0 8px;
}
.navbar-card {
  background: var(--card);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  position: sticky;
  top: 12px;
  z-index: 1030;
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: .5px;
}
.brand-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.navbar-nav-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-item-card {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: all .2s ease;
  white-space: nowrap;
}
.nav-item-card i {
  font-size: 16px;
  width: 20px;
  text-align: center;
}
.nav-item-card:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.nav-item-card.active {
  background: var(--primary-light);
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.navbar-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.navbar-toggle {
  display: none;
  border: none;
  background: var(--primary-light);
  color: var(--primary);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s;
}
.navbar-toggle:hover {
  background: #d7e7ed;
}
.btn-primary-custom {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--primary);
  --bs-btn-border-color: var(--primary);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--primary-dark);
  --bs-btn-hover-border-color: var(--primary-dark);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--primary-dark);
  --bs-btn-active-border-color: var(--primary-dark);
  --bs-btn-focus-shadow-rgb: 27,107,131;
  border-radius: 12px;
  font-weight: 600;
  box-shadow: none;
  transition: all .2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(27,107,131,.18);
}
.btn-live {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--accent-dark);
  --bs-btn-hover-border-color: var(--accent-dark);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--accent-dark);
  --bs-btn-active-border-color: var(--accent-dark);
  border-radius: 999px;
  font-weight: 700;
  box-shadow: none;
  display: inline-flex;
  align-items: center;
}
.btn-live:before {
  content: '';
  width: 8px;
  height: 8px;
  background: #E13D3D;
  border-radius: 50%;
  margin-right: 6px;
  animation: livePulse 1.2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.8); }
}
.btn-outline-custom {
  --bs-btn-color: var(--primary);
  --bs-btn-bg: transparent;
  --bs-btn-border-color: var(--primary);
  --bs-btn-hover-color: var(--primary);
  --bs-btn-hover-bg: var(--primary-light);
  --bs-btn-hover-border-color: var(--primary);
  --bs-btn-active-color: var(--primary);
  --bs-btn-active-bg: var(--primary-light);
  --bs-btn-active-border-color: var(--primary);
  border-radius: 12px;
  border-width: 1.5px;
  font-weight: 600;
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.site-main {
  flex: 1 0 auto;
}
.breadcrumb-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.breadcrumb-wrap a {
  color: var(--primary);
}
.breadcrumb-wrap .current {
  color: var(--text-muted);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.breadcrumb-sep {
  color: var(--border);
}
.article-head {
  padding: 28px 0 4px;
}
.article-section {
  padding: 8px 0 16px;
}
.reading-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 48px;
  max-width: 860px;
  margin: 0 auto;
}
.article-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 18px;
  word-break: break-word;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 30px;
}
.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
}
.article-body {
  font-size: 16px;
  line-height: 1.95;
  color: var(--text);
}
.article-body p {
  margin: 0 0 1.5em;
  text-indent: 2em;
}
.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4 {
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin: 1.6em 0 .6em;
}
.article-body h2 { font-size: 24px; }
.article-body h3 { font-size: 20px; font-weight: 600; }
.article-body ul,
.article-body ol {
  margin: 0 0 1.5em;
  padding-left: 1.6em;
}
.article-body li { margin-bottom: .4em; }
.article-body a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  margin: 1.6em auto;
}
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 1.6em 0;
  color: var(--text-secondary);
}
.article-body code {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: .92em;
}
.article-tags {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.tag-label {
  font-size: 14px;
  color: var(--text-muted);
}
.tag-pill {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  transition: all .2s;
  display: inline-block;
}
.tag-pill:hover {
  background: var(--primary);
  color: #fff;
}
.related-section {
  padding: 64px 0 16px;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.section-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: block;
  color: var(--text);
  text-decoration: none;
  transition: all .25s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  color: var(--text);
}
.related-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--primary-light);
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-cover img {
  transform: scale(1.04);
}
.play-icon {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
}
.related-info {
  padding: 16px 20px 20px;
}
.related-info h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-date {
  font-size: 13px;
  color: var(--text-muted);
}
.back-entry {
  text-align: center;
  padding: 40px 0 72px;
}
.empty-state {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  max-width: 640px;
  margin: 40px auto;
  padding: 72px 32px;
  text-align: center;
}
.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.empty-state h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
}
.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.site-footer {
  background: #123A46;
  color: rgba(255,255,255,.72);
  margin-top: 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 60px 0 40px;
}
.footer-brand-text {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-brand-text .brand-logo {
  background: #fff;
  color: var(--primary);
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.6);
  max-width: 320px;
  margin-bottom: 0;
}
.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.footer-links a {
  color: rgba(255,255,255,.7);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s;
}
.footer-links a:hover {
  color: #fff;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.7);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
@media (max-width: 991.98px) {
  .nav-item-card { padding: 8px 12px; font-size: 14px; }
  .navbar-card { padding: 10px 14px; }
  .brand-text { font-size: 16px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .reading-card { padding: 36px; }
}
@media (max-width: 767.98px) {
  .container-custom { padding: 0 16px; }
  .navbar-card {
    flex-wrap: wrap;
    top: 8px;
    border-radius: 14px;
  }
  .navbar-nav-wrap {
    display: none;
    width: 100%;
    order: 3;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px 0 4px;
    margin-top: 8px;
    border-top: 1px solid var(--border);
  }
  .navbar-nav-wrap.nav-open {
    display: flex;
  }
  .nav-item-card {
    width: 100%;
    padding: 13px 16px;
    border-radius: 12px;
  }
  .nav-item-card.active {
    border-bottom: none;
    border-left: 3px solid var(--primary);
  }
  .navbar-toggle {
    display: inline-flex;
  }
  .article-head { padding-top: 16px; }
  .article-section { padding: 0 0 8px; }
  .reading-card { padding: 26px 20px; border-radius: 14px; }
  .article-title { font-size: 26px; }
  .related-section { padding-top: 40px; }
  .related-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .site-footer { margin-top: 16px; }
}
@media (max-width: 575.98px) {
  .nav-item-card { font-size: 15px; }
  .article-meta { gap: 12px; }
  .breadcrumb-wrap { font-size: 13px; }
}

/* roulang page: category2 */
:root {
            --primary: #1B6B83;
            --primary-dark: #145467;
            --primary-light: #E7F1F5;
            --accent: #F5A623;
            --accent-dark: #d08f1d;
            --bg: #F4F9FB;
            --card: #FFFFFF;
            --text: #1F3844;
            --text-secondary: #5B7A86;
            --text-muted: #93ACB6;
            --border: #E3EEF2;
            --success: #21A67A;
            --danger: #E4653C;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 16px 40px rgba(27,107,131,0.08);
            --shadow-md: 0 6px 16px rgba(27,107,131,0.06);
            --transition: all .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ---------- 导航面板 ---------- */
        .navbar-card {
            position: sticky;
            top: 0;
            z-index: 1050;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            max-width: 1280px;
            margin: 16px auto 0;
            padding: 10px 16px 10px 20px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            letter-spacing: .02em;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .navbar-nav-wrap {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-item-card {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 14px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-item-card i {
            font-size: 15px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .nav-item-card:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: transparent;
        }

        .nav-item-card:hover i {
            color: var(--primary);
        }

        .nav-item-card.active {
            background: var(--primary-light);
            color: var(--primary);
            border-bottom: 3px solid var(--primary);
            padding-bottom: 7px;
        }

        .nav-item-card.active i {
            color: var(--primary);
        }

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .navbar-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: none;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ---------- 按钮 ---------- */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: 12px;
            border: none;
            background: var(--primary);
            color: #fff !important;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(27, 107, 131, .2);
        }

        .btn-primary-custom:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(27, 107, 131, .15);
        }

        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: 12px;
            border: 1.5px solid var(--primary);
            background: transparent;
            color: var(--primary) !important;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-secondary-custom:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-live {
            display: inline-flex !important;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: 999px;
            background: var(--accent);
            color: #fff !important;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-live::before {
            content: "";
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #E4653C;
            margin-right: 2px;
            animation: pulse 1.6s infinite ease-in-out;
        }

        .btn-live:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .6;
                transform: scale(.8);
            }
        }

        /* ---------- 分类页 Hero ---------- */
        .category-hero {
            padding: 64px 0 56px;
            position: relative;
        }

        .category-hero .hero-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 48px 52px;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .hero-card::after {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: var(--primary-light);
            z-index: 0;
        }

        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 22px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }

        .hero-badge .dot-live {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse 1.6s infinite ease-in-out;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin: 0 0 16px;
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        .category-hero .hero-aside {
            background: var(--primary-light);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            position: relative;
            z-index: 1;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }

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

        .hero-aside-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--primary);
            font-size: 14px;
        }

        .hero-aside-link i {
            transition: transform .25s;
        }

        .hero-aside-link:hover i {
            transform: translateX(4px);
        }

        .hero-cover-wrap {
            margin-top: 40px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
            z-index: 1;
        }

        .hero-cover-wrap img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .hero-cover-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 16px 24px;
            background: linear-gradient(0deg, rgba(18, 58, 70, .82) 0%, rgba(18, 58, 70, 0) 100%);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-cover-caption::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        /* ---------- 主内容 8+4 ---------- */
        .category-main {
            padding: 16px 0 72px;
        }

        .category-main-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            padding: 40px 42px;
        }

        .category-main-card .section-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 20px;
        }

        .category-main-card h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 28px 0 14px;
            padding-top: 8px;
        }

        .category-main-card h2:first-of-type {
            margin-top: 12px;
        }

        .category-main-card p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .main-content-divider {
            height: 1px;
            background: var(--border);
            margin: 32px 0;
        }

        .main-content-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: 28px 0 20px;
            box-shadow: var(--shadow-md);
            max-width: 70%;
        }

        .main-content-img img {
            width: 100%;
            object-fit: cover;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 24px;
        }

        .feature-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .feature-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--primary);
            font-size: 13px;
            background: var(--primary-light);
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 侧边卡片 */
        .category-sidebar {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            padding: 32px 26px;
            position: sticky;
            top: 100px;
        }

        .category-sidebar h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .category-sidebar h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 34px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

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

        .sidebar-link-list li {
            border-bottom: 1px solid var(--border);
        }

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

        .sidebar-link-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 8px;
            border-radius: 10px;
            transition: var(--transition);
            color: var(--text);
            font-size: 14px;
            font-weight: 600;
        }

        .sidebar-link-item i {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }

        .sidebar-link-item:hover {
            background: var(--primary-light);
            transform: translateX(4px);
            color: var(--primary);
        }

        .sidebar-link-item:hover i {
            background: var(--primary);
            color: #fff;
        }

        /* ---------- 关联推荐 ---------- */
        .recommend-section {
            padding: 16px 0 72px;
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            gap: 20px;
        }

        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

        .section-head .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

        .section-head .section-more i {
            margin-left: 4px;
            transition: transform .25s;
        }

        .section-head .section-more:hover i {
            transform: translateX(4px);
        }

        .recommend-card {
            background: var(--card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: block;
            color: var(--text);
        }

        .recommend-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            color: var(--text);
        }

        .recommend-card .cover-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--primary-light);
        }

        .recommend-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .recommend-card:hover .cover-wrap img {
            transform: scale(1.03);
        }

        .recommend-card .play-btn {
            position: absolute;
            right: 14px;
            bottom: 14px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .recommend-card:hover .play-btn {
            background: var(--primary);
            color: #fff;
        }

        .recommend-card .card-body {
            padding: 18px 20px 20px;
        }

        .recommend-card .card-title-custom {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
            line-height: 1.5;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .recommend-card .card-meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            padding: 24px 0 72px;
        }

        .faq-section .section-head h2 {
            margin-bottom: 6px;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .faq-item .faq-header {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            background: transparent;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }

        .faq-item .faq-header:hover {
            background: var(--primary-light);
        }

        .faq-item .faq-icon {
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform .3s ease;
            line-height: 1;
        }

        .faq-item .faq-body {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* ---------- CTA ---------- */
        .cta-section {
            padding: 16px 0 72px;
        }

        .cta-card {
            background: #123A46;
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(27, 107, 131, .4);
        }

        .cta-card::after {
            content: "";
            position: absolute;
            left: -30px;
            top: -30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(245, 166, 35, .15);
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 15px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 26px;
            position: relative;
            z-index: 1;
        }

        .cta-card .cta-buttons {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-card .btn-primary-custom {
            background: var(--accent);
        }

        .cta-card .btn-primary-custom:hover {
            background: var(--accent-dark);
        }

        .cta-card .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: 12px;
            border: 1.5px solid rgba(255, 255, 255, .7);
            background: transparent;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }

        .cta-card .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-2px);
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: #123A46;
            color: rgba(255, 255, 255, .72);
            padding-top: 56px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            max-width: 300px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .6);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-links.footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
        }

        .footer-links.footer-contact i {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ---------- 移动端导航 ---------- */
        @media (max-width: 991px) {
            .navbar-card {
                flex-wrap: wrap;
                padding: 14px 16px;
            }

            .navbar-nav-wrap {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 16px 0 8px;
                gap: 8px;
            }

            .navbar-nav-wrap.open {
                display: flex;
            }

            .nav-item-card {
                width: 100%;
                padding: 12px 14px;
            }

            .nav-item-card.active {
                border-bottom: 2px solid var(--primary);
                padding-bottom: 10px;
            }

            .navbar-toggle {
                display: inline-flex;
            }

            .navbar-cta {
                margin-left: auto;
            }

            .category-hero .hero-card {
                padding: 32px 24px;
            }

            .category-main-card {
                padding: 28px 24px;
            }

            .category-sidebar {
                margin-top: 24px;
            }

            .faq-wrap {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .navbar-card {
                margin-top: 8px;
                border-radius: 16px;
            }

            .brand-text {
                font-size: 16px;
            }

            .brand-logo {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }

            .category-hero {
                padding: 32px 0 24px;
            }

            .category-hero .hero-card {
                padding: 24px 18px;
                border-radius: 16px;
            }

            .category-hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }

            .hero-cover-wrap img {
                height: 200px;
            }

            .category-main {
                padding: 0 0 48px;
            }

            .category-main-card {
                padding: 24px 18px;
                border-radius: 16px;
            }

            .category-main-card h2 {
                font-size: 21px;
            }

            .main-content-img {
                max-width: 100%;
            }

            .recommend-section {
                padding: 8px 0 48px;
            }

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

            .faq-section {
                padding: 8px 0 48px;
            }

            .cta-section {
                padding: 8px 0 48px;
            }

            .cta-card {
                padding: 28px 20px;
                border-radius: 16px;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand .brand-text {
                display: none;
            }

            .navbar-brand {
                margin-right: auto;
            }

            .btn-live {
                display: none !important;
            }

            .nav-item-card span {
                font-size: 15px;
            }

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

            .faq-item .faq-body {
                padding: 0 16px 14px;
                font-size: 13px;
            }

            .btn-primary-custom,
            .btn-secondary-custom {
                padding: 9px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1B6B83;
            --primary-dark: #145769;
            --primary-light: #E7F1F5;
            --accent: #F5A623;
            --accent-dark: #D9921C;
            --bg: #F4F9FB;
            --card: #FFFFFF;
            --text: #1F3844;
            --text-secondary: #5B7A86;
            --text-muted: #93ACB6;
            --border: #E3EEF2;
            --success: #21A67A;
            --warning: #E4653C;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 16px 40px rgba(27, 107, 131, 0.08);
            --shadow-md: 0 6px 16px rgba(27, 107, 131, 0.06);
            --shadow-hover: 0 12px 28px rgba(27, 107, 131, 0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Inter", "SF Pro Display", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease;
        }

        a:hover {
            color: var(--accent);
        }

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

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }

        p {
            margin-top: 0;
        }

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航卡片 ===== */
        .navbar-card {
            position: sticky;
            top: 12px;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: calc(100% - 32px);
            max-width: 1280px;
            margin: 16px auto 32px;
            padding: 10px 20px;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: var(--shadow-md);
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            white-space: nowrap;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            letter-spacing: .2px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .3px;
        }

        .navbar-nav-wrap {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-item-card {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background .25s, color .25s, box-shadow .25s, transform .25s;
        }

        .nav-item-card i {
            font-size: 15px;
            color: var(--text-muted);
            transition: color .25s;
        }

        .nav-item-card:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .nav-item-card:hover i {
            color: var(--primary);
        }

        .nav-item-card.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            box-shadow: inset 0 -3px 0 var(--primary);
        }

        .nav-item-card.active i {
            color: var(--primary);
        }

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 0;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            padding: 11px 24px;
            transition: background .25s, color .25s, box-shadow .25s, transform .2s, border-color .25s;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

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

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 107, 131, .25);
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 8px 20px rgba(27, 107, 131, .32);
        }

        .btn-live {
            background: var(--accent);
            color: #fff;
            position: relative;
        }

        .btn-live::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #fff;
            display: inline-block;
            animation: livePulse 1.2s infinite;
        }

        .btn-live:hover {
            background: var(--accent-dark);
            color: #fff;
        }

        .btn-outline-custom {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .navbar-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 0;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            cursor: pointer;
            transition: background .2s;
        }

        .navbar-toggle:hover {
            background: #d5e6ec;
        }

        .navbar-toggle.active i {
            transform: rotate(180deg);
        }

        @keyframes livePulse {
            0% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .4;
                transform: scale(1.3);
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* ===== 页头区 ===== */
        .page-hero {
            padding: 72px 0 40px;
        }

        .page-hero-inner {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 40px;
        }

        .page-hero-title {
            margin: 0;
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: .5px;
            color: var(--text);
            position: relative;
            padding-bottom: 16px;
        }

        .page-hero-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 56px;
            height: 4px;
            border-radius: 4px;
            background: var(--accent);
        }

        .page-hero-desc {
            max-width: 440px;
            margin: 0;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
            text-align: right;
            border-left: 3px solid var(--primary-light);
            padding-left: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        /* ===== 分类内容区 8+4 ===== */
        .category-main {
            padding: 24px 0 72px;
        }

        .content-main-card {
            background: var(--card);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            padding: 44px 48px;
            height: 100%;
        }

        .content-main-card .lead-text {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 32px;
            padding-left: 18px;
            border-left: 4px solid var(--primary-light);
        }

        .content-main-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin: 40px 0 16px;
            color: var(--text);
            position: relative;
        }

        .content-main-card h3:first-child {
            margin-top: 0;
        }

        .content-main-card h3 i {
            color: var(--primary);
            margin-right: 8px;
            font-size: 20px;
        }

        .content-main-card p {
            color: var(--text-secondary);
            font-size: 15.5px;
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .benefit-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin: 20px 0 8px;
        }

        .benefit-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--bg);
            border-radius: 14px;
            padding: 18px 20px;
            transition: background .25s, box-shadow .25s;
        }

        .benefit-list li:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
        }

        .benefit-list .benefit-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .benefit-list .benefit-text strong {
            display: block;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .benefit-list .benefit-text span {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .steps-list {
            counter-reset: step;
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin: 20px 0 8px;
        }

        .steps-list li {
            counter-increment: step;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 18px;
            border-radius: 14px;
            background: var(--bg);
            transition: transform .25s, box-shadow .25s;
        }

        .steps-list li:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-md);
        }

        .steps-list li::before {
            content: counter(step, decimal-leading-zero);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .steps-list li span {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .timeline-wrap {
            margin: 20px 0 8px;
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .timeline-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            background: #fff;
        }

        .timeline-item:last-child {
            border-bottom: 0;
        }

        .timeline-point {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }

        .timeline-point.accent {
            background: var(--accent);
        }

        .timeline-point.success {
            background: var(--success);
        }

        .timeline-item .tl-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            min-width: 70px;
        }

        .timeline-item .tl-text {
            font-size: 15px;
            color: var(--text-secondary);
        }

        .tips-list {
            margin: 20px 0 8px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .tips-list li i {
            color: var(--warning);
            font-size: 16px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .content-figure {
            margin: 32px 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .content-figure img {
            width: 100%;
            min-height: 260px;
            object-fit: cover;
        }

        .content-figure figcaption {
            padding: 10px 16px;
            font-size: 13px;
            color: var(--text-muted);
            background: var(--bg);
            border-top: 1px solid var(--border);
        }

        /* 侧边卡片 */
        .side-sticky {
            position: sticky;
            top: 100px;
        }

        .side-related-card {
            background: var(--card);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            padding: 28px;
            margin-bottom: 20px;
        }

        .side-related-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            color: var(--text);
        }

        .topic-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            transition: background .2s;
        }

        .topic-item:last-of-type {
            border-bottom: 0;
        }

        .topic-item:hover {
            background: var(--bg);
            border-radius: 10px;
            padding-left: 8px;
            padding-right: 8px;
        }

        .topic-item .topic-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 15px;
            flex-shrink: 0;
        }

        .topic-item .topic-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }

        .topic-item .topic-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 2px;
        }

        .topic-item .fa-arrow-right {
            margin-left: auto;
            color: var(--text-muted);
            font-size: 13px;
            align-self: center;
        }

        .side-tip {
            display: flex;
            gap: 10px;
            background: var(--primary-light);
            border-radius: 14px;
            padding: 16px;
            margin-top: 18px;
        }

        .side-tip i {
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .side-tip p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .side-calendar-card {
            background: var(--card);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            padding: 28px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .side-calendar-card::before {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: 20px;
            background: rgba(244, 249, 251, .92);
            backdrop-filter: blur(2px);
        }

        .side-calendar-card>* {
            position: relative;
            z-index: 1;
        }

        .side-calendar-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

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

        .side-calendar-card .next-event {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            background: #fff;
            border-radius: 10px;
            padding: 10px 14px;
            box-shadow: var(--shadow-md);
        }

        /* ===== 关联推荐 ===== */
        .related-section {
            padding: 32px 0 72px;
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0;
            letter-spacing: .3px;
        }

        .section-head .link-more {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s;
        }

        .section-head .link-more:hover {
            gap: 12px;
            color: var(--accent);
        }

        .relate-card {
            background: var(--card);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform .3s, box-shadow .3s;
        }

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

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

        .relate-card .relate-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }

        .relate-card:hover .relate-cover img {
            transform: scale(1.03);
        }

        .relate-card .play-badge {
            position: absolute;
            right: 14px;
            bottom: 14px;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            box-shadow: 0 4px 12px rgba(27, 107, 131, .2);
            transition: background .2s, color .2s;
        }

        .relate-card:hover .play-badge {
            background: var(--primary);
            color: #fff;
        }

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

        .relate-card .relate-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .2s;
        }

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

        .relate-card .relate-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
        }

        .relate-card .relate-meta i {
            font-size: 14px;
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(245, 166, 35, .16);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 3px 10px;
            margin-left: 8px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 56px 0 72px;
        }

        .faq-section .section-title {
            text-align: center;
            font-size: 28px;
            margin-bottom: 40px;
            position: relative;
        }

        .faq-section .section-title::after {
            content: "";
            display: block;
            width: 44px;
            height: 4px;
            border-radius: 4px;
            background: var(--accent);
            margin: 12px auto 0;
        }

        .faq-col .accordion-item {
            border: 0;
            background: var(--card);
            border-radius: 14px !important;
            box-shadow: var(--shadow-md);
            margin-bottom: 14px;
            overflow: hidden;
        }

        .faq-col .accordion-button {
            background: var(--card);
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 18px 22px;
            box-shadow: none;
            border: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: background .2s, color .2s;
        }

        .faq-col .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
        }

        .faq-col .accordion-button::after {
            display: none !important;
        }

        .faq-col .accordion-button .accordion-icon {
            position: relative;
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            transition: background .2s, transform .25s;
        }

        .faq-col .accordion-button:not(.collapsed) .accordion-icon {
            background: var(--primary);
            color: #fff;
        }

        .faq-col .accordion-button .accordion-icon::before {
            content: "+";
            font-size: 18px;
            line-height: 1;
        }

        .faq-col .accordion-button:not(.collapsed) .accordion-icon::before {
            content: "−";
        }

        .faq-col .accordion-body {
            padding: 16px 22px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            background: #fff;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 24px 0 88px;
        }

        .cta-card {
            position: relative;
            border-radius: 24px;
            background: var(--primary);
            color: #fff;
            padding: 56px 48px;
            text-align: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(18, 58, 70, .96) 20%, rgba(27, 107, 131, .88) 100%);
        }

        .cta-card>* {
            position: relative;
            z-index: 1;
        }

        .cta-card h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .85);
            font-size: 15px;
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .cta-card .btn-primary-custom {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
            font-size: 16px;
            padding: 13px 32px;
        }

        .cta-card .btn-primary-custom:hover {
            background: var(--accent-dark);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #123A46;
            color: rgba(255, 255, 255, .7);
            padding: 56px 0 0;
            margin-top: 40px;
        }

        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand-text .brand-logo {
            background: var(--accent);
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            margin: 0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 14px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .65);
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }

        .footer-contact li i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding: 20px 0 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .navbar-card {
                flex-wrap: wrap;
                padding: 10px 16px;
            }

            .navbar-nav-wrap {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 14px;
                background: #fff;
                border-radius: 16px;
                box-shadow: var(--shadow-md);
                margin-top: 10px;
            }

            .navbar-nav-wrap.show {
                display: flex;
            }

            .navbar-nav-wrap li {
                width: 100%;
            }

            .nav-item-card {
                width: 100%;
                justify-content: flex-start;
                padding: 14px 16px;
                font-size: 16px;
            }

            .navbar-toggle {
                display: inline-flex;
            }

            .page-hero {
                padding: 48px 0 28px;
            }

            .page-hero-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .page-hero-desc {
                text-align: left;
                max-width: 100%;
                padding-left: 14px;
            }

            .content-main-card {
                padding: 32px 28px;
            }

            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            body {
                font-size: 15px;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .navbar-card {
                width: calc(100% - 24px);
                margin: 12px auto 20px;
                padding: 8px 12px;
                border-radius: 16px;
                gap: 8px;
            }

            .brand-text {
                font-size: 16px;
            }

            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }

            .btn-primary-custom,
            .btn-live {
                font-size: 13px;
                padding: 9px 14px;
                border-radius: 10px;
            }

            .page-hero {
                padding: 32px 0 16px;
            }

            .page-hero-title {
                font-size: 30px;
            }

            .page-hero-desc {
                font-size: 15px;
            }

            .category-main {
                padding: 16px 0 48px;
            }

            .content-main-card {
                padding: 24px 18px;
                border-radius: 16px;
            }

            .content-main-card .lead-text {
                font-size: 15px;
                padding-left: 12px;
            }

            .content-main-card h3 {
                font-size: 19px;
                margin-top: 28px;
            }

            .benefit-list li {
                flex-direction: column;
                padding: 16px;
            }

            .steps-list li {
                padding: 12px 14px;
            }

            .timeline-item {
                flex-wrap: wrap;
                padding: 12px 14px;
            }

            .related-section {
                padding: 16px 0 48px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-bottom: 20px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .faq-section {
                padding: 40px 0 48px;
            }

            .faq-section .section-title {
                font-size: 24px;
                margin-bottom: 28px;
            }

            .cta-section {
                padding: 16px 0 56px;
            }

            .cta-card {
                padding: 40px 24px;
                border-radius: 18px;
            }

            .cta-card h2 {
                font-size: 24px;
            }

            .site-footer {
                padding-top: 40px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 16px 0 20px;
            }
        }

        @media (max-width: 520px) {
            .navbar-cta .btn-live {
                display: none;
            }

            .navbar-cta .btn-primary-custom i {
                display: none;
            }

            .btn-primary-custom {
                font-size: 14px;
                padding: 10px 16px;
            }

            .page-hero-title {
                font-size: 26px;
            }
        }