/* roulang page: index */
:root {
            --bg: #F5F8FB;
            --card: #FFFFFF;
            --brand: #0C6F8E;
            --brand-light: #E3F0F6;
            --brand-dark: #094F66;
            --ink: #10283C;
            --text: #2E465C;
            --muted: #5C7285;
            --subtle: #668092;
            --border: #E1EAF1;
            --accent: #F57C28;
            --accent-dark: #E06A17;
            --success: #2B9B79;
            --shadow-sm: 0 2px 10px rgba(16, 40, 60, 0.06);
            --shadow-md: 0 8px 24px rgba(16, 40, 60, 0.10);
            --radius-card: 12px;
            --radius-tag: 6px;
            --radius-btn: 999px;
            --transition: all .25s ease;
            --container: 1280px;
            --header-h: 68px;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--brand);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--brand-dark);
        }
        img {
            max-width: 100%;
            display: block;
            border: none;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: inherit;
            color: var(--ink);
            line-height: 1.35;
            margin-bottom: .5em;
        }
        p {
            margin-bottom: 1rem;
        }
        ul, ol {
            list-style: none;
            margin: 0;
        }
        .row {
            max-width: var(--container);
            margin: 0 auto;
        }
        .container-x {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .bg-soft {
            background: var(--brand-light);
        }
        .bg-white {
            background: var(--card);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            border: 2px solid transparent;
            transition: var(--transition);
            min-height: 46px;
            text-decoration: none;
            cursor: pointer;
        }
        .btn i, .btn svg {
            font-size: 18px;
        }
        .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .btn-accent:hover, .btn-accent:focus {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            box-shadow: 0 4px 18px rgba(245, 124, 40, .35);
            transform: scale(1.01);
            color: #fff;
        }
        .btn-brand {
            background: var(--brand);
            border-color: var(--brand);
            color: #fff;
        }
        .btn-brand:hover, .btn-brand:focus {
            background: var(--brand-dark);
            border-color: var(--brand-dark);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .9);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            color: #fff;
        }
        .btn-outline-brand {
            background: transparent;
            border-color: var(--brand);
            color: var(--brand);
        }
        .btn-outline-brand:hover {
            background: var(--brand);
            color: #fff;
        }
        .btn:focus-visible, a:focus-visible, button:focus-visible {
            outline: 2px solid rgba(12, 111, 142, .4);
            outline-offset: 2px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-light);
            color: var(--brand);
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
        }
        .badge-success {
            background: rgba(43, 155, 121, .1);
            color: var(--success);
        }
        .badge-new {
            background: rgba(43, 155, 121, .12);
            color: var(--success);
        }
        .badge-accent {
            background: rgba(245, 124, 40, .1);
            color: var(--accent-dark);
        }
        .card {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-tag);
            background: var(--brand-light);
            color: var(--brand);
            font-size: 12px;
            font-weight: 500;
        }
        .tag-success {
            background: rgba(43,155,121,.1);
            color: var(--success);
        }
        .tag-accent {
            background: rgba(245,124,40,.12);
            color: var(--accent-dark);
        }
        .text-muted {
            color: var(--muted);
        }
        .text-subtle {
            color: var(--subtle);
        }
        .mt-24 { margin-top: 24px; }
        .mt-16 { margin-top: 16px; }
        .mb-0 { margin-bottom: 0; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .section-title-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }
        .section-title {
            font-size: 25px;
            font-weight: 700;
            margin: 0;
            position: relative;
            padding-left: 14px;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            background: var(--brand);
            border-radius: 3px;
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            font-weight: 500;
            color: var(--brand);
        }
        .link-more i {
            transition: var(--transition);
        }
        .link-more:hover i {
            transform: translateX(4px);
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            height: var(--header-h);
            position: relative;
            z-index: 100;
        }
        .header-inner {
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .logo {
            display: flex;
            align-items: baseline;
            gap: 6px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo .logo-main {
            font-size: 24px;
            font-weight: 900;
            color: var(--brand);
            letter-spacing: -1px;
            line-height: 1;
        }
        .logo .logo-tag {
            font-size: 13px;
            color: var(--muted);
            font-weight: 400;
            letter-spacing: 2px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            color: var(--ink);
            font-weight: 500;
            font-size: 15px;
        }
        .main-nav a i {
            display: none;
        }
        .main-nav a:hover {
            background: var(--brand-light);
            color: var(--brand);
        }
        .main-nav a.active {
            background: var(--brand);
            color: #fff;
        }
        .nav-tools {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-search {
            display: none;
        }
        .nav-user {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            border: 1px solid rgba(12,111,142,.12);
        }
        @media (max-width: 1024px) {
            .site-header .main-nav {
                display: none;
            }
            .main-nav-mobile {
                display: flex !important;
            }
            .nav-tools {
                display: flex;
            }
        }
        .bottom-tabbar {
            display: none;
        }
        @media (max-width: 1024px) {
            .bottom-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: 60px;
                background: #fff;
                border-top: 1px solid var(--border);
                z-index: 999;
                box-shadow: 0 -2px 14px rgba(16,40,60,.05);
                align-items: center;
                justify-content: space-around;
                padding-bottom: env(safe-area-inset-bottom, 0);
            }
            .bottom-tabbar a {
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 3px;
                color: var(--muted);
                font-size: 11px;
                padding: 4px 6px;
                min-width: 56px;
                text-decoration: none;
            }
            .bottom-tabbar a i {
                font-size: 18px;
                line-height: 1;
            }
            .bottom-tabbar a.active {
                color: var(--brand);
                font-weight: 600;
            }
            .bottom-tabbar a.active i {
                background: var(--brand-light);
                border-radius: 20px;
                padding: 4px 12px;
                color: var(--brand);
            }
            body {
                padding-bottom: 60px;
            }
        }
        @media (min-width: 1025px) {
            .bottom-tabbar {
                display: none !important;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 70vh;
            max-height: 780px;
            display: flex;
            align-items: center;
            background: var(--ink);
            overflow: hidden;
            color: #fff;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center 35%;
            opacity: .9;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(16,40,60,.88) 0%, rgba(16,40,60,.62) 44%, rgba(16,40,60,.22) 100%);
        }
        .hero-overlay-bottom {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(16,40,60,.7) 0%, transparent 38%);
        }
        .hero .container-x {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-content {
            max-width: 700px;
            padding: 90px 0 120px;
        }
        .hero-title {
            font-size: clamp(34px, 4.6vw, 52px);
            font-weight: 800;
            line-height: 1.18;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -1px;
        }
        .hero-title .accent-text {
            color: #FDB38A;
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255,255,255,.88);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .hero-trustbar {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 3;
            background: rgba(255,255,255,.08);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(255,255,255,.12);
        }
        .trustbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 42px;
            padding: 8px 0;
            color: rgba(255,255,255,.92);
            font-size: 13px;
        }
        .trustbar-inner .trust-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .trustbar-inner .trust-item i {
            color: #FFBE8A;
        }
        .trust-stars {
            color: #F9C74F;
            letter-spacing: 2px;
        }
        @media (max-width: 640px) {
            .hero {
                min-height: 88vh;
            }
            .hero-content {
                padding: 80px 0 140px;
            }
            .hero-title {
                font-size: 31px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .trustbar-inner {
                font-size: 12px;
                gap: 10px;
            }
        }

        /* ===== Film Shelf - Horizontal ===== */
        .shelf-slider {
            display: flex;
            flex-wrap: nowrap;
            gap: 16px;
            overflow-x: auto;
            padding: 10px 2px 16px;
            scrollbar-width: thin;
            scrollbar-color: rgba(12,111,142,.2) transparent;
        }
        .shelf-slider::-webkit-scrollbar {
            height: 5px;
        }
        .shelf-slider::-webkit-scrollbar-track {
            background: transparent;
        }
        .shelf-slider::-webkit-scrollbar-thumb {
            background: rgba(12,111,142,.25);
            border-radius: 10px;
        }
        .shelf-item {
            flex: 0 0 200px;
            max-width: 200px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .shelf-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .shelf-cover {
            aspect-ratio: 2/3;
            overflow: hidden;
        }
        .shelf-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .shelf-item:hover .shelf-cover img {
            transform: scale(1.05);
        }
        .shelf-info {
            padding: 12px;
        }
        .shelf-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .shelf-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 4px;
        }
        .shelf-meta .tag {
            padding: 2px 8px;
            font-size: 11px;
        }
        .shelf-time {
            font-size: 12px;
            color: var(--subtle);
            white-space: nowrap;
        }
        .shelf-nav-wrap {
            display: flex;
            gap: 8px;
        }
        .shelf-control {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
        }
        .shelf-control:hover {
            background: rgba(12,111,142,.2);
        }
        @media (max-width: 820px) {
            .shelf-item {
                flex-basis: 160px;
                max-width: 160px;
            }
        }
        @media (max-width: 480px) {
            .shelf-item {
                flex-basis: 140px;
                max-width: 140px;
            }
            .shelf-info {
                padding: 8px;
            }
            .shelf-title {
                font-size: 13px;
            }
        }

        /* ===== Hot Recommend ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 16px;
        }
        .hot-main {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            min-height: 390px;
            background: var(--ink);
            box-shadow: var(--shadow-sm);
        }
        .hot-main-img, .hot-sub-img {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: transform .5s ease;
        }
        .hot-main:hover .hot-main-img, .hot-sub:hover .hot-sub-img {
            transform: scale(1.04);
        }
        .hot-main-inner {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px;
            background: linear-gradient(0deg, rgba(10, 28, 44, .92) 0%, rgba(10, 28, 44, .6) 60%, transparent 100%);
            color: #fff;
        }
        .hot-main-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255,255,255,.16);
            border-radius: 6px;
            padding: 4px 12px;
            font-size: 12px;
            color: #fff;
            margin-bottom: 10px;
        }
        .hot-main h3 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 8px;
        }
        .hot-main p {
            color: rgba(255,255,255,.78);
            font-size: 14px;
            max-width: 520px;
        }
        .hot-meta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .hot-meta-row .divider {
            width: 1px;
            height: 18px;
            background: rgba(255,255,255,.2);
        }
        .hot-sub-grid {
            display: grid;
            grid-template-rows: repeat(2, 1fr);
            gap: 16px;
        }
        .hot-sub {
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            min-height: 189px;
            background: var(--ink);
        }
        .hot-sub-inner {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 14px 16px;
            background: linear-gradient(0deg, rgba(10,28,44,.9) 0%, transparent 100%);
            color: #fff;
        }
        .hot-sub-inner h4 {
            color: #fff;
            font-size: 17px;
            margin-bottom: 4px;
        }
        .hot-sub-inner .sub-meta {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 12px;
            color: rgba(255,255,255,.72);
        }
        .rating-stars {
            color: #F9C74F;
        }
        @media (max-width: 900px) {
            .hot-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-main {
                grid-column: span 2;
                min-height: 320px;
            }
        }
        @media (max-width: 520px) {
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .hot-main {
                grid-column: span 1;
            }
        }

        /* ===== List + Collection rows ===== */
        .block-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .week-pick {
            background: var(--card);
            border-radius: 12px;
            border: 1px solid var(--border);
            display: grid;
            grid-template-columns: 300px 1fr;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .week-pick-img {
            background-size: cover;
            background-position: center;
            min-height: 260px;
        }
        .week-pick-content {
            padding: 26px 28px;
        }
        .week-pick-content h3 {
            font-size: 21px;
        }
        .week-pick-list {
            margin-top: 20px;
        }
        .watch-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
        }
        .watch-list-item:last-child {
            border-bottom: none;
        }
        .watch-thumb {
            width: 68px;
            height: 46px;
            border-radius: 8px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .watch-info {
            min-width: 0;
            flex: 1;
        }
        .watch-info h5 {
            font-size: 15px;
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .watch-info p {
            font-size: 12px;
            color: var(--subtle);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .watch-status {
            font-size: 11px;
            padding: 2px 10px;
            border-radius: 30px;
            background: rgba(43,155,121,.1);
            color: var(--success);
            white-space: nowrap;
        }
        .icon-play-group {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }
        @media (max-width: 760px) {
            .week-pick {
                grid-template-columns: 1fr;
            }
            .week-pick-img {
                min-height: 190px;
            }
        }

        /* Shelf band list 片单分区 */
        .cluster-band {
            background: var(--bg);
            border-radius: 14px;
            padding: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .cluster-card-sm {
            display: flex;
            gap: 12px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px;
            min-width: 240px;
            flex: 1;
            transition: var(--transition);
        }
        .cluster-card-sm:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(12,111,142,.2);
        }
        .cluster-thumb {
            width: 70px;
            height: 88px;
            border-radius: 8px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .cluster-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 2px;
        }
        .cluster-info p {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 4px;
            line-height: 1.6;
        }
        .cluster-tags {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
        }

        /* ===== News / CMS block ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--card);
            border-radius: 12px;
            border: 1px solid var(--border);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-height: 190px;
            transition: var(--transition);
            position: relative;
        }
        .news-card:hover {
            border-color: rgba(12,111,142,.3);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }
        .news-card h3 {
            margin: 4px 0 6px;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--ink);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            padding-top: 8px;
        }
        .news-date {
            font-size: 13px;
            color: var(--subtle);
        }
        .news-read {
            font-size: 13px;
            color: var(--brand);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-empty {
            display: flex;
            align-items: center;
            gap: 14px;
            justify-content: center;
            background: rgba(227,240,246,.3);
            border: 2px dashed #B9D3E0;
            border-radius: 14px;
            padding: 28px 20px;
            color: var(--muted);
            font-size: 15px;
            min-height: 120px;
        }
        @media (max-width: 720px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: var(--brand);
            border-radius: 18px;
            overflow: hidden;
            position: relative;
            padding: 60px 40px;
            color: #fff;
            text-align: center;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 55%;
            opacity: .2;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 30px;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: rgba(255,255,255,.85);
            font-size: 16px;
            max-width: 620px;
            margin: 0 auto 25px;
        }
        .cta-inner .btn {
            font-size: 16px;
            padding: 15px 32px;
        }
        @media (max-width: 640px) {
            .cta-banner {
                padding: 44px 20px;
            }
            .cta-inner h2 {
                font-size: 23px;
            }
        }

        /* ===== FAQ accordion ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 0;
            margin-bottom: 10px;
            overflow: hidden;
            transition: box-shadow .25s;
        }
        .faq-item summary {
            list-style: none;
            padding: 15px 46px 15px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            position: relative;
            transition: background .25s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "\f078";
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--brand);
            transition: transform .25s ease;
        }
        .faq-item[open] summary::after {
            transform: translateY(-50%) rotate(180deg);
        }
        .faq-item[open] summary {
            background: var(--brand-light);
        }
        .faq-body {
            padding: 10px 18px 18px;
            font-size: 14px;
            color: var(--text);
            background: #fff;
            border-top: 1px solid var(--border);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255,255,255,.82);
            margin-top: 48px;
        }
        .footer-main {
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        .footer-brand .logo .logo-main {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,.6);
            max-width: 360px;
            margin-top: 10px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul a {
            color: rgba(255,255,255,.66);
            font-size: 14px;
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding: 18px 0;
            font-size: 13px;
            color: rgba(255,255,255,.45);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-disclaimer {
            border-top: 1px solid rgba(255,255,255,.06);
            padding: 14px 0;
            font-size: 12px;
            color: rgba(255,255,255,.28);
            line-height: 1.7;
        }
        @media (max-width: 760px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: span 1;
            }
        }

        /* Foundation fix */
        .button, button {
            line-height: normal;
        }
        .section-pad {
            padding: 72px 0;
        }
        @media (max-width: 640px) {
            .section-pad {
                padding: 52px 0;
            }
        }

        /* extra visual utility */
        .theme-band {
            background: #fff;
        }
        .theme-band-alt {
            background: var(--brand-light);
        }
        .mini-stats {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .mini-stat {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mini-stat .stat-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
        }
        .mini-stat .stat-label {
            font-size: 13px;
            color: var(--muted);
        }

/* roulang page: article */
:root {
            --pbg: #F5F8FB;
            --card: #FFFFFF;
            --brand: #0C6F8E;
            --brand-light: #E3F0F6;
            --deep: #10283C;
            --text-main: #2E465C;
            --text-weak: #5C7285;
            --text-weak2: #668092;
            --line: #E1EAF1;
            --line-soft: #E9F0F5;
            --accent: #F57C28;
            --green: #2B9B79;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 10px rgba(16, 40, 60, 0.06);
            --shadow-md: 0 8px 24px rgba(16, 40, 60, 0.08);
            --shadow-hover: 0 16px 34px rgba(16, 40, 60, 0.12);
            --space-section: 76px;
            --space-section-mobile: 52px;
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            background: var(--pbg);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid rgba(12, 111, 142, 0.45);
            outline-offset: 2px;
        }

        ul,
        ol,
        p,
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
        }

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

        button,
        input {
            font: inherit;
            border: 0;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(9px);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 6px 22px rgba(16, 40, 60, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            flex-direction: column;
            justify-content: center;
            line-height: 1.2;
            gap: 2px;
            flex-shrink: 0;
        }

        .logo-main {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--brand);
        }

        .logo-tag {
            font-size: 11px;
            letter-spacing: 2px;
            color: var(--text-weak);
            font-weight: 500;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: auto;
        }

        .main-nav a {
            position: relative;
            font-size: 15px;
            font-weight: 600;
            color: var(--deep);
            padding: 8px 4px;
            border-radius: 6px;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 6px;
            right: auto;
            bottom: 2px;
            width: 0;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
            transition: width .25s ease;
        }

        .main-nav a:hover {
            color: var(--brand);
        }

        .main-nav a:hover::after {
            width: calc(100% - 12px);
        }

        .main-nav a.active {
            background: var(--brand);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-weight: 600;
        }

        .main-nav a.active::after {
            display: none;
        }

        .main-nav a.active:hover {
            color: #fff;
            background: #0A6080;
        }

        .nav-tools {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            flex-shrink: 0;
        }

        .nav-user {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 50%;
            font-size: 18px;
            transition: transform .2s ease, background .2s ease;
        }

        .nav-user:hover {
            background: var(--brand);
            color: #fff;
            transform: translateY(-2px);
        }

        .mobile-tab-bar {
            display: none;
        }

        .article-main {
            padding: 34px 0 80px;
        }

        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: flex-start;
            font-size: 13px;
            color: var(--text-weak2);
            margin-bottom: 20px;
            gap: 10px;
        }

        .article-breadcrumb a {
            color: var(--brand);
            font-weight: 500;
        }

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

        .article-breadcrumb i {
            font-style: normal;
            color: #B8C8D4;
            font-size: 12px;
        }

        .article-breadcrumb .crumb-current {
            display: inline-block;
            max-width: 300px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: var(--deep);
            font-weight: 600;
        }

        .article-card {
            background: var(--card);
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 52px 54px;
            max-width: 980px;
            margin: 0 auto;
        }

        .article-head {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            padding-bottom: 30px;
        }

        .category-chip {
            display: inline-flex;
            align-items: center;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
            letter-spacing: .3px;
        }

        .article-head h1 {
            font-size: clamp(30px, 4vw, 40px);
            line-height: 1.3;
            font-weight: 800;
            color: var(--deep);
            word-break: break-word;
            margin: 0 0 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .meta-pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: #F1F5F9;
            border: 1px solid var(--line);
            color: var(--text-weak);
            font-size: 13px;
            border-radius: var(--radius-pill);
            padding: 5px 14px;
            transition: border-color .2s ease;
        }

        .meta-pill i {
            color: var(--brand);
            font-size: 13px;
        }

        .meta-pill:hover {
            border-color: rgba(12, 111, 142, 0.25);
        }

        .article-content {
            max-width: 760px;
            margin: 30px auto 0;
            color: #314F66;
            font-size: 16px;
            line-height: 2.05;
            word-break: break-word;
        }

        .article-content p {
            margin: 0 0 1.45em;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--deep);
            line-height: 1.5;
            margin: 2em 0 0.85em;
            padding-left: 14px;
            border-left: 4px solid var(--brand);
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--deep);
            margin: 1.8em 0 0.7em;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--deep);
            margin: 1.5em 0 0.5em;
        }

        .article-content a {
            color: var(--brand);
            font-weight: 600;
            border-bottom: 1px solid rgba(12, 111, 142, 0.25);
        }

        .article-content a:hover {
            color: var(--accent);
            border-color: var(--accent);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5em 1.4em;
            padding-left: 0;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin: 0.45em 0;
            line-height: 1.9;
        }

        .article-content blockquote {
            margin: 2em 0;
            background: var(--brand-light);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--brand);
            color: var(--deep);
            font-weight: 500;
        }

        .article-content blockquote p {
            margin: 0;
        }

        .article-content blockquote cite {
            display: block;
            margin-top: 8px;
            font-style: normal;
            font-size: 13px;
            color: var(--text-weak);
        }

        .article-content img {
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            margin: 1.8em auto;
            box-shadow: var(--shadow-sm);
            width: auto;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            overflow: hidden;
            margin: 1.8em 0;
            font-size: 14px;
        }

        .article-content th,
        .article-content td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--line-soft);
            text-align: left;
        }

        .article-content th {
            background: var(--brand-light);
            color: var(--deep);
            font-weight: 700;
        }

        .article-content tr:last-child td {
            border-bottom: 0;
        }

        .article-content hr {
            border: 0;
            height: 1px;
            background: var(--line);
            margin: 40px auto;
            width: 100%;
        }

        .article-empty {
            text-align: center;
            padding: 80px 20px 64px;
            color: var(--text-weak);
        }

        .article-empty h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--deep);
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border-radius: var(--radius-pill);
            padding: 13px 30px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.3;
            text-align: center;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 22px rgba(245, 124, 40, 0.22);
        }

        .btn-primary:hover {
            background: #FF8A3B;
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(245, 124, 40, 0.3);
        }

        .btn-outline {
            background: #fff;
            border-color: #C8D6E1;
            color: var(--deep);
        }

        .btn-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-3px);
        }

        .article-bottom-nav {
            display: flex;
            justify-content: center;
            margin-top: 44px;
        }

        .back-column-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 22px;
            background: var(--brand-light);
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            padding: 20px 28px;
            max-width: 720px;
            width: 100%;
            transition: transform .2s ease, background .2s ease, border-color .2s ease;
        }

        .back-column-card:hover {
            background: #E6F2F8;
            border-color: rgba(12, 111, 142, 0.18);
            transform: translateY(-2px);
        }

        .back-column-copy {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .back-column-label {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: .4px;
        }

        .back-column-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--deep);
        }

        .back-column-card>i {
            color: var(--brand);
            font-size: 22px;
            transition: transform .2s ease;
        }

        .back-column-card:hover>i {
            transform: translateX(5px);
        }

        .related-section {
            max-width: 980px;
            margin: 70px auto 0;
            padding: 0 20px;
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 26px;
        }

        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 24px;
            font-weight: 800;
            color: var(--deep);
        }

        .section-title::before {
            content: "";
            width: 5px;
            height: 22px;
            border-radius: 999px;
            background: var(--brand);
            display: block;
        }

        .section-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
        }

        .section-more:hover {
            color: var(--accent);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--line-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: transform .2s ease, box-shadow .2s ease;
        }

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

        .related-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--brand-light);
            position: relative;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

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

        .related-thumb::after {
            content: "";
            position: absolute;
            inset: auto 0 0 0;
            height: 60px;
            background: linear-gradient(180deg, transparent, rgba(16, 40, 60, 0.35));
            border-radius: 0 0 10px 10px;
        }

        .related-badge {
            position: absolute;
            left: 12px;
            top: 12px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.94);
            color: var(--brand);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            box-shadow: 0 2px 8px rgba(16, 40, 60, 0.1);
        }

        .related-card-body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .related-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--deep);
            line-height: 1.55;
            min-height: 50px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-weak2);
            font-size: 12px;
        }

        .related-card-footer a {
            color: var(--brand);
            font-weight: 600;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .related-card-footer a:hover {
            color: var(--accent);
        }

        .cta-band {
            max-width: 980px;
            margin: 72px auto 0;
            background: linear-gradient(115deg, #0F3A4F 0%, #0C6F8E 74%);
            border-radius: var(--radius-lg);
            padding: 52px 60px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 46px;
            color: #fff;
            box-shadow: 0 20px 40px rgba(12, 111, 142, 0.14);
        }

        .cta-band::before {
            content: "";
            position: absolute;
            right: 70px;
            top: 0;
            width: 260px;
            height: 260px;
            background-image: radial-gradient(circle, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 18px 18px;
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-copy h2 {
            font-size: 27px;
            font-weight: 800;
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .cta-copy p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.8;
            max-width: 470px;
        }

        .cta-action {
            flex-shrink: 0;
        }

        .cta-action .btn-primary {
            background: var(--accent);
            color: #fff;
        }

        .cta-action .btn-primary:hover {
            background: #FF9652;
            box-shadow: 0 12px 30px rgba(245, 124, 40, 0.4);
        }

        .site-footer {
            margin-top: 80px;
            background: var(--deep);
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
        }

        .footer-main {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 52px 0 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.1fr;
            gap: 44px;
            align-items: start;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo-main {
            color: #fff;
            font-size: 24px;
        }

        .footer-brand .logo-tag {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-brand p {
            max-width: 350px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 7px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 22px 0;
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-bottom span:first-child {
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-disclaimer {
            padding: 18px 0 26px;
            color: rgba(255, 255, 255, 0.32);
            font-size: 12px;
            line-height: 1.8;
            text-align: left;
        }

        @media (max-width: 1024px) {
            .site-header {
                min-height: 60px;
            }

            .header-inner {
                min-height: 60px;
            }

            .main-nav,
            .nav-tools {
                display: none;
            }

            .mobile-tab-bar {
                display: flex;
                position: fixed;
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 90;
                height: 58px;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(10px);
                border-top: 1px solid var(--line);
                box-shadow: 0 -6px 20px rgba(16, 40, 60, 0.06);
                align-items: stretch;
                justify-content: space-around;
                padding: 0 4px;
            }

            .mobile-tab-bar a {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 3px;
                font-size: 11px;
                font-weight: 600;
                color: var(--text-weak);
                border-radius: 12px;
                margin: 3px 2px;
                transition: color .2s ease, background .2s ease;
            }

            .mobile-tab-bar a i {
                font-size: 19px;
            }

            .mobile-tab-bar a:hover {
                color: var(--brand);
                background: rgba(12, 111, 142, 0.06);
            }

            .mobile-tab-bar a.active {
                color: var(--brand);
                background: var(--brand-light);
            }

            .article-main {
                padding-bottom: 104px;
            }

            .site-footer {
                margin-top: 52px;
            }

            .footer-main {
                padding: 0 0 12px;
            }

            .footer-grid {
                gap: 22px;
                padding: 28px 0 18px;
                grid-template-columns: 1fr 1fr;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                padding: 16px 0;
            }

            .footer-disclaimer {
                padding-bottom: 80px;
            }
        }

        @media (max-width: 768px) {
            .article-main {
                padding-top: 20px;
            }

            .article-card {
                padding: 32px 22px;
                border-radius: var(--radius-md);
            }

            .article-head {
                padding-bottom: 22px;
            }

            .article-head h1 {
                font-size: 29px;
                line-height: 1.4;
            }

            .article-meta {
                gap: 8px;
            }

            .meta-pill {
                font-size: 12px;
                padding: 4px 10px;
            }

            .article-content {
                font-size: 15.5px;
                line-height: 2;
            }

            .article-content blockquote {
                margin: 1.6em 0;
                padding: 16px 18px;
            }

            .back-column-card {
                padding: 16px 18px;
            }

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

            .section-title {
                font-size: 21px;
            }

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

            .related-thumb {
                aspect-ratio: 16 / 8;
            }

            .cta-band {
                margin-top: 48px;
                padding: 34px 24px;
                flex-direction: column;
                gap: 22px;
                text-align: center;
            }

            .cta-copy p {
                max-width: 100%;
            }

            .footer-main {
                padding-top: 6px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding: 30px 0 10px;
            }

            .footer-brand {
                grid-column: auto;
            }

            .article-card {
                box-shadow: var(--shadow-md);
            }
        }

        @media (max-width: 520px) {
            .container-x {
                padding: 0 16px;
            }

            .logo-main {
                font-size: 19px;
            }

            .logo-tag {
                font-size: 10px;
                letter-spacing: 1.6px;
            }

            .article-breadcrumb {
                font-size: 12px;
                gap: 6px;
                align-items: flex-start;
            }

            .crumb-current {
                max-width: 180px;
            }

            .article-card {
                padding: 26px 16px;
            }

            .article-content h2 {
                font-size: 22px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .article-content img {
                margin: 1.4em auto;
            }

            .article-content table {
                font-size: 13px;
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }

            .back-column-card {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .back-column-card>i {
                transform: rotate(90deg);
            }

            .back-column-card:hover>i {
                transform: rotate(90deg) translateX(3px);
            }

            .section-head {
                margin-bottom: 18px;
            }

            .section-more {
                font-size: 13px;
            }

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

            .cta-copy p {
                font-size: 14px;
            }

            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #F5F8FB;
            --card: #FFFFFF;
            --primary: #0C6F8E;
            --primary-deep: #0A5A75;
            --primary-light: #E3F0F6;
            --dark: #10283C;
            --body-text: #2E465C;
            --muted: #5C7285;
            --border: #E1EAF1;
            --cta: #F57C28;
            --cta-deep: #E56E1A;
            --success: #2B9B79;
            --radius: 12px;
            --radius-btn: 999px;
            --shadow: 0 2px 10px rgba(16, 40, 60, 0.06);
            --shadow-hover: 0 8px 24px rgba(16, 40, 60, 0.1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--body-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body.mobile-open {
            overflow: hidden;
        }

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

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

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

        p,
        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        ul,
        ol,
        figure {
            margin: 0;
            padding: 0;
        }

        ul,
        ol {
            list-style: none;
        }

        .container-x {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 12px rgba(16, 40, 60, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            min-height: 64px;
            gap: 24px;
        }

        .logo {
            display: inline-flex;
            align-items: baseline;
            gap: 9px;
            flex-shrink: 0;
        }

        .logo-main {
            font-size: 23px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .logo-tag {
            font-size: 12px;
            color: var(--muted);
            border-left: 1px solid var(--border);
            padding-left: 10px;
            letter-spacing: 1px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }

        .main-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            color: #23455C;
            transition: all .2s ease;
        }

        .main-nav a:hover {
            background: var(--primary-light);
            color: var(--primary-deep);
        }

        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 14px rgba(12, 111, 142, 0.28);
        }

        .nav-tools {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-user {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            transition: all .2s ease;
        }

        .nav-user:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.04);
        }

        .mobile-bottom-bar {
            display: none;
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 99;
            height: 58px;
            background: rgba(255,255,255,0.96);
            border-top: 1px solid var(--border);
            backdrop-filter: blur(14px);
        }

        .mobile-bottom-bar a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: var(--muted);
            font-size: 11px;
            line-height: 1.3;
            border-radius: 4px;
            transition: color .2s ease;
        }

        .mobile-bottom-bar a i {
            font-size: 20px;
        }

        .mobile-bottom-bar a.active,
        .mobile-bottom-bar a.active i {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-bottom-bar a.active i {
            text-shadow: 0 4px 10px rgba(12,111,142,.25);
        }

        @media (max-width: 1100px) {
            .main-nav,
            .nav-tools {
                display: none;
            }
            .mobile-bottom-bar {
                display: flex;
            }
            body {
                padding-bottom: 58px;
            }
        }

        .category-hero {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 320px;
            background:
                linear-gradient(90deg, rgba(16,40,60,.88) 0%, rgba(16,40,60,.55) 55%, rgba(16,40,60,.16) 100%),
                url("/assets/images/backpic/back-1.png") center / cover no-repeat;
            padding: 56px 0 44px;
            margin-bottom: 56px;
        }

        .category-hero .hero-copy {
            max-width: 720px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #D9E9F2;
            background: rgba(255,255,255,.14);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .hero-eyebrow .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #69D7AD;
            display: inline-block;
        }

        .category-hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .category-hero .hero-lead {
            font-size: 17px;
            color: rgba(255,255,255,.88);
            max-width: 620px;
        }

        @media (max-width: 640px) {
            .category-hero {
                min-height: 260px;
                padding: 42px 0 34px;
                margin-bottom: 36px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero .hero-lead {
                font-size: 15px;
            }
        }

        .cat-promo {
            padding: 0 0 56px;
        }

        .section-head {
            margin-bottom: 32px;
        }

        .section-head-line {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }

        .section-head-line .bar {
            width: 4px;
            height: 20px;
            border-radius: 4px;
            background: var(--primary);
        }

        .section-head-line span.label {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.35;
            text-align: left;
            margin-top: 4px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--muted);
            max-width: 760px;
            text-align: left;
            margin-top: 4px;
        }

        @media (max-width: 640px) {
            .section-head h2 {
                font-size: 23px;
            }
        }

        .stat-cell {
            margin-bottom: 24px;
        }

        .stat-card {
            height: 100%;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 24px;
            box-shadow: var(--shadow);
            transition: transform .2s ease, box-shadow .2s ease;
        }

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

        .stat-card i {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            font-size: 19px;
            margin-bottom: 18px;
        }

        .stat-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .stat-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--muted);
        }

        .trend-section {
            padding: 64px 0 72px;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .trend-grid {
            display: flex;
            flex-wrap: wrap;
            margin-left: -12px;
            margin-right: -12px;
        }

        .film-cell {
            width: 25%;
            padding: 0 12px;
            margin-bottom: 24px;
        }

        @media (max-width: 1024px) {
            .film-cell {
                width: 50%;
            }
        }

        @media (max-width: 560px) {
            .film-cell {
                width: 100%;
            }
        }

        .film-card {
            height: 100%;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform .25s ease, box-shadow .25s ease;
            display: flex;
            flex-direction: column;
        }

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

        .film-thumb {
            position: relative;
            aspect-ratio: 3 / 4;
            overflow: hidden;
            background: var(--primary-light);
        }

        .film-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

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

        .badge-live,
        .badge-done {
            position: absolute;
            left: 12px;
            top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(16,40,60,.82);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
            white-space: nowrap;
        }

        .badge-live i {
            color: #4ED5A8;
            font-size: 7px;
        }

        .badge-done i {
            color: #F7B56A;
            font-size: 7px;
        }

        .film-content {
            padding: 18px 18px 20px;
        }

        .film-cat {
            font-size: 12px;
            color: var(--primary);
            background: var(--primary-light);
            display: inline-block;
            padding: 3px 10px;
            border-radius: 6px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .film-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .film-description {
            font-size: 14px;
            line-height: 1.7;
            color: var(--muted);
            margin-bottom: 14px;
        }

        .film-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid #EDF2F6;
            padding-top: 13px;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 6px;
        }

        .film-score {
            color: var(--success);
            font-weight: 600;
        }

        .film-note {
            color: var(--muted);
        }

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

        .editorial-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: stretch;
            margin-left: -12px;
            margin-right: -12px;
        }

        .editorial-feature {
            width: 58.333%;
            padding: 0 12px;
            display: flex;
        }

        .editorial-list {
            width: 41.667%;
            padding: 0 12px;
        }

        @media (max-width: 900px) {
            .editorial-feature,
            .editorial-list {
                width: 100%;
                margin-bottom: 20px;
            }
        }

        .feature-main {
            position: relative;
            width: 100%;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            border-radius: var(--radius);
            overflow: hidden;
            background:
                linear-gradient(180deg, rgba(16,40,60,0) 30%, rgba(16,40,60,.86) 100%),
                url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
            color: #fff;
        }

        .feature-content {
            padding: 34px;
            max-width: 640px;
        }

        .feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--cta);
            color: #fff;
            font-size: 13px;
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .feature-main h3 {
            font-size: 28px;
            line-height: 1.4;
            margin-bottom: 10px;
            color: #fff;
        }

        .feature-main p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255,255,255,.85);
            margin-bottom: 16px;
        }

        .link-arrow {
            color: #fff;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid rgba(255,255,255,.42);
            padding-bottom: 3px;
        }

        .editorial-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 20px;
            margin-bottom: 14px;
            box-shadow: var(--shadow);
            display: flex;
            gap: 16px;
            transition: box-shadow .2s ease;
        }

        .editorial-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .editorial-number {
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .5px;
            padding-top: 2px;
            flex-shrink: 0;
        }

        .editorial-item h4 {
            font-size: 17px;
            color: var(--dark);
            font-weight: 600;
            margin-bottom: 5px;
            line-height: 1.45;
        }

        .editorial-item p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 7px;
        }

        .editorial-cat {
            font-size: 12px;
            color: var(--primary);
        }

        .how-section {
            padding: 72px 0;
            background: var(--primary-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .how-section .section-head h2 {
            color: var(--dark);
        }

        .steps-grid {
            display: flex;
            flex-wrap: wrap;
            margin-left: -12px;
            margin-right: -12px;
        }

        .step-cell {
            width: 33.333%;
            padding: 0 12px;
            margin-bottom: 24px;
        }

        @media (max-width: 900px) {
            .step-cell {
                width: 100%;
            }
        }

        .step-card {
            position: relative;
            height: 100%;
            background: #fff;
            border: 1px solid rgba(12,111,142,.1);
            border-radius: var(--radius);
            padding: 30px 24px 26px;
            box-shadow: var(--shadow);
            transition: transform .2s ease;
        }

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

        .step-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 19px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--muted);
        }

        .faq-section {
            padding: 72px 0 56px;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow .2s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-item details summary {
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            list-style: none;
            user-select: none;
            position: relative;
        }

        .faq-item details summary::-webkit-details-marker {
            display: none;
        }

        .faq-item details summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            font-size: 14px;
            transition: transform .3s ease;
        }

        .faq-item details[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item details[open] summary {
            border-bottom: 1px solid #EDF2F6;
        }

        .faq-answer {
            padding: 16px 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--muted);
        }

        .cta-banner {
            position: relative;
            background:
                linear-gradient(120deg, rgba(12,111,142,.16), rgba(16,40,60,.28)),
                var(--dark);
            color: #fff;
            padding: 72px 0;
            margin-top: 16px;
            text-align: center;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
            opacity: .18;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
        }

        .cta-banner h2 {
            font-size: 32px;
            color: #fff;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .cta-banner p {
            max-width: 620px;
            margin: 0 auto 28px;
            color: rgba(255,255,255,.78);
            font-size: 16px;
        }

        @media (max-width: 640px) {
            .cta-banner h2 {
                font-size: 24px;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            padding: 14px 30px;
            font-size: 15px;
            font-weight: 600;
            border: 0;
            cursor: pointer;
            transition: all .2s ease;
            gap: 8px;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 18px rgba(12,111,142,.25);
        }

        .btn-primary:hover {
            background: var(--primary-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(12,111,142,.3);
        }

        .btn-cta {
            background: var(--cta);
            color: #fff;
            box-shadow: 0 8px 20px rgba(245,124,40,.28);
        }

        .btn-cta:hover {
            background: var(--cta-deep);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 12px 28px rgba(245,124,40,.35);
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,.8);
            padding: 60px 0 0;
            font-size: 14px;
        }

        .site-footer a {
            color: rgba(255,255,255,.7);
            transition: color .2s ease;
        }

        .site-footer a:hover {
            color: #fff;
        }

        .footer-main {
            padding-bottom: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: rgba(255,255,255,.62);
            font-size: 14px;
            line-height: 1.85;
            margin: 14px 0 0;
            max-width: 440px;
        }

        .footer-grid h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

        .footer-grid ul li {
            margin-bottom: 10px;
        }

        .footer-grid ul li a {
            font-size: 14px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.12);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            color: rgba(255,255,255,.56);
            font-size: 13px;
        }

        .footer-disclaimer {
            background: rgba(0,0,0,.18);
            border-top: 1px solid rgba(255,255,255,.07);
            padding: 14px 20px 20px;
            text-align: center;
            color: rgba(255,255,255,.42);
            font-size: 12px;
            line-height: 1.8;
            max-width: 100%;
        }

        @media (max-width: 640px) {
            .container-x {
                padding: 0 16px;
            }
            .section-head p {
                font-size: 14px;
            }
            .editorial-feature,
            .editorial-list {
                width: 100%;
            }
            .feature-main {
                min-height: 320px;
            }
            .feature-content {
                padding: 24px;
            }
            .feature-main h3 {
                font-size: 23px;
            }
            .footer-bottom {
                flex-direction: column;
            }
        }

/* roulang page: category2 */
:root{
  --bg-page:#F5F8FB;
  --bg-card:#FFFFFF;
  --brand:#0C6F8E;
  --brand-light:#E3F0F6;
  --ink:#10283C;
  --ink-soft:#2E465C;
  --muted:#5C7285;
  --line:#E1EAF1;
  --cta:#F57C28;
  --success:#2B9B79;
  --white:#FFFFFF;
  --radius-card:12px;
  --radius-btn:999px;
  --shadow-card:0 2px 10px rgba(16,40,60,0.06);
  --shadow-hover:0 8px 24px rgba(16,40,60,0.10);
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg-page);color:var(--ink);font-family:var(--font-family);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.container-x{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;width:100%}
h1,h2,h3,h4,h5{line-height:1.3;font-weight:700;color:var(--ink)}
.overflow-ellipsis{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);height:64px}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:baseline;gap:8px;flex-shrink:0}
.logo-main{font-size:22px;font-weight:800;letter-spacing:.5px;color:var(--ink);background:linear-gradient(135deg,#0C6F8E,#0F9BB8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}
.logo-tag{font-size:12px;color:var(--muted);letter-spacing:1px;font-weight:400}
.main-nav{display:flex;align-items:center;gap:8px;margin-left:auto}
.main-nav a{position:relative;padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink-soft);border-radius:999px;transition:all .2s ease}
.main-nav a:hover{color:var(--brand);background:var(--brand-light)}
.main-nav a.active{background:var(--brand);color:#fff;box-shadow:0 4px 10px rgba(12,111,142,.2)}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:14px}
.nav-user{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--brand-light);color:var(--brand);font-size:16px;transition:all .2s ease}
.nav-user:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.mobile-bottom-tab{display:none}
.tab-overlay{display:none}

/* ===== Hero banner ===== */
.cat-hero{position:relative;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;min-height:300px;display:flex;align-items:center;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(85deg,rgba(16,40,60,.92),rgba(16,40,60,.5),rgba(16,40,60,.18))}
.cat-hero-content{position:relative;z-index:2;padding:72px 0;width:100%}
.cat-breadcrumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:22px}
.cat-breadcrumb a{color:rgba(255,255,255,.9);font-weight:500}
.cat-breadcrumb a:hover{color:#fff;text-decoration:underline}
.cat-breadcrumb i{font-size:11px;margin:0 4px;opacity:.7}
.cat-hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;color:#fff;letter-spacing:1px;line-height:1.2;margin-bottom:16px}
.cat-hero p{color:rgba(255,255,255,.86);max-width:580px;font-size:16px;margin-bottom:28px}
.cat-stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:12px}
.cat-stat{display:flex;flex-direction:column}
.cat-stat b{font-size:28px;font-weight:800;color:#fff;line-height:1.2}
.cat-stat span{font-size:12px;color:rgba(255,255,255,.65);letter-spacing:1px}

/* ===== Main layout ===== */
.page-section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;flex-wrap:wrap}
.section-title-wrap{display:flex;align-items:center;gap:12px}
.section-title-wrap::before{content:"";width:4px;height:24px;background:var(--brand);border-radius:2px}
.section-title{font-size:24px;font-weight:800;letter-spacing:.5px}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px}
.see-all{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;transition:all .2s ease}
.see-all:hover{color:var(--brand);border-color:var(--brand);transform:translateX(2px)}

/* two col */
.layout-two{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}
.col-main{display:flex;flex-direction:column;gap:24px}

/* featured card */
.feat-card{display:grid;grid-template-columns:44% 56%;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease}
.feat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feat-card .feat-media{position:relative;min-height:240px;overflow:hidden}
.feat-card .feat-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .4s ease}
.feat-card:hover .feat-media img{transform:scale(1.03)}
.feat-card .feat-body{padding:28px;display:flex;flex-direction:column}
.feat-topline{display:flex;gap:10px;margin-bottom:12px;align-items:center;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;background:var(--brand-light);color:var(--brand);font-size:12px;font-weight:600;padding:4px 12px;border-radius:6px}
.badge-update{display:inline-flex;align-items:center;gap:6px;background:#e9f9f2;color:var(--success);padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600}
.badge-update i{font-size:8px;color:var(--success)}
.feat-card h3{font-size:22px;font-weight:800;margin-bottom:12px;line-height:1.35}
.feat-desc{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:20px}
.feat-extra{display:flex;align-items:center;gap:16px;margin-top:auto;flex-wrap:wrap}
.rating{display:inline-flex;align-items:center;gap:4px;color:#f59e0b;font-size:13px;font-weight:700}
.meta-text{font-size:13px;color:var(--muted)}
.btn-play{display:inline-flex;align-items:center;gap:10px;background:var(--cta);color:#fff;font-weight:700;font-size:14px;border:none;border-radius:999px;padding:10px 22px;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px rgba(245,124,40,.25)}
.btn-play i{font-size:14px}
.btn-play:hover{background:#ff8b3d;color:#fff;transform:scale(1.03);box-shadow:0 8px 20px rgba(245,124,40,.35)}

/* list card */
.stagger-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.stagger-card:nth-child(even){transform:translateY(18px)}
.stagger-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card);transition:all .25s ease}
.stagger-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stagger-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.stagger-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.stagger-card:hover .stagger-media img{transform:scale(1.04)}
.stagger-media .tag{position:absolute;left:12px;top:12px;z-index:2}
.stagger-body{padding:20px}
.stagger-card h3{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:6px}
.stagger-card h3 a:hover{color:var(--brand)}
.stagger-meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:12px;margin-bottom:8px}
.stagger-desc{color:var(--ink-soft);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== Sidebar ===== */
.sidebar{display:flex;flex-direction:column;gap:32px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-card)}
.side-card h4{font-size:17px;font-weight:800;padding-bottom:14px;border-bottom:2px solid var(--bg-page);margin-bottom:16px;display:flex;align-items:center;gap:10px}
.side-card h4 i{color:var(--brand);font-size:18px;width:22px;text-align:center}
.category-tree{display:flex;flex-direction:column}
.category-tree a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;background:var(--bg-page);border-radius:8px;font-size:14px;font-weight:600;color:var(--ink-soft);margin-bottom:8px;transition:all .2s ease}
.category-tree a:hover{background:var(--brand-light);color:var(--brand);transform:translateX(3px)}
.category-tree a i{color:var(--brand);font-size:13px;opacity:.7}
.category-tree a em{font-style:normal;font-size:12px;background:#fff;color:var(--muted);border-radius:999px;padding:2px 10px}
.action-note{display:flex;align-items:center;gap:12px;padding:12px;background:#FFF9F3;border:1px solid #FCE2CB;border-radius:12px;margin-bottom:12px}
.action-note i{color:var(--cta);font-size:18px}
.action-note span{font-size:12px;color:#93562C;line-height:1.6}
.btn-fill-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;font-weight:700;border:none;border-radius:999px;padding:12px 26px;font-size:14px;cursor:pointer;transition:all .2s ease}
.btn-fill-brand:hover{background:#0A5C78;color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(12,111,142,.25)}

/* pills */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{background:var(--bg-page);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:12px;color:var(--muted);transition:all .2s ease}
.tag-cloud a:hover{background:var(--brand-light);color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}

/* mini list */
.mini-list-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);align-items:center}
.mini-list-item:last-child{border-bottom:none;padding-bottom:0}
.mini-thumb{width:64px;height:46px;border-radius:8px;object-fit:cover;flex-shrink:0;background:var(--brand-light)}
.mini-body{flex:1;min-width:0}
.mini-body h5{font-size:13px;font-weight:700;line-height:1.4;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-body h5 a:hover{color:var(--brand)}
.mini-body span{font-size:11px;color:var(--muted)}
.mini-num{font-size:13px;font-weight:800;color:var(--brand);background:var(--brand-light);border-radius:6px;width:26px;height:26px;display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* newsletter */
.newsletter-form{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.newsletter-form input[type=email]{height:46px;border-radius:10px;border:1px solid var(--line);background:#f9fbfd;padding:0 16px;font-size:14px;width:100%;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.newsletter-form input[type=email]:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(12,111,142,.15)}
.newsletter-form button{width:100%}
.note-text{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.6}

/* ===== Story steps / CTA ===== */
.decor-divider{height:2px;background:linear-gradient(to right,var(--brand-light),var(--line),var(--brand-light));border-radius:2px;max-width:1120px;margin:0 auto}

/* quote */
.quote-box{background:var(--ink);border-radius:18px;padding:36px;position:relative;overflow:hidden;margin-top:64px}
.quote-box::after{content:"”";position:absolute;right:24px;top:-30px;font-size:180px;line-height:1;color:rgba(255,255,255,.05);font-family:Georgia,serif;pointer-events:none}
.quote-box p{color:rgba(255,255,255,.85);font-size:18px;line-height:1.8;font-weight:300;max-width:1100px}
.quote-box p strong{color:#fff;font-weight:700;font-style:normal}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:all .2s ease}
.faq-item.active{border-color:var(--brand);box-shadow:var(--shadow-card)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;cursor:pointer;gap:14px}
.faq-q h3{font-size:16px;font-weight:700;line-height:1.4;margin:0}
.faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--brand-light);display:flex;align-items:center;justify-content:center;color:var(--brand);transition:transform .3s ease}
.faq-item.active .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-a{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.85;border-top:1px dashed var(--line);padding-top:14px;margin-top:2px}
.faq-item.active .faq-a{display:block}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);font-size:14px;padding:64px 0 24px;margin-top:40px}
.footer-main{padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px}
.footer-brand .logo{margin-bottom:16px;display:flex;align-items:baseline;gap:8px}
.footer-brand .logo-main{font-size:22px;font-weight:800;background:linear-gradient(135deg,#fff,#B8E6F2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.footer-brand p{font-size:13px;line-height:1.9;margin:0;max-width:320px;color:rgba(255,255,255,.55)}
.footer-col h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:1px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.65);transition:all .2s ease;display:inline-flex;align-items:center;gap:8px}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:18px 0;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom span{margin:4px 0}
.footer-disclaimer{border-top:1px solid rgba(255,255,255,.07);padding-top:18px;font-size:12px;line-height:1.8;color:rgba(255,255,255,.38)}

.scroll-top{position:fixed;right:24px;bottom:80px;z-index:80;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(12,111,142,.3);transition:all .2s ease;cursor:pointer}
.scroll-top:hover{background:var(--cta);transform:translateY(-3px)}

/* ===== Responsive ===== */
@media screen and (max-width:1024px){
  .layout-two{grid-template-columns:1fr}
  .sidebar{order:3;margin-top:36px;flex-direction:row;flex-wrap:wrap;align-items:stretch}
  .side-card{flex:1 1 calc(50% - 18px);min-width:260px}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:768px){
  .site-header{height:56px}
  .header-inner{height:56px}
  .logo-main{font-size:19px}
  .logo-tag{font-size:10px}
  .main-nav{display:none}
  .category-tree{display:none}
  .nav-tools{margin-left:auto}
  .mobile-bottom-tab{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:99;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);height:60px}
  .tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--muted);font-weight:600;transition:all .2s ease;padding:4px 0}
  .tab-item i{font-size:18px}
  .tab-item.active{color:var(--brand)}
  .tab-item.active i{transform:scale(1.15)}
  .tab-item.active::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--brand);margin-top:2px}
  .site-footer{padding-bottom:84px}
  .page-section{padding:50px 0}
  .cat-hero{min-height:220px}
  .cat-hero-content{padding:44px 0}
  .cat-hero h1{font-size:32px}
  .cat-stat b{font-size:22px}
  .stagger-list{grid-template-columns:1fr}
  .stagger-card:nth-child(even){transform:none}
  .feat-card{grid-template-columns:1fr}
  .feat-media{aspect-ratio:16/10;position:relative;min-height:unset}
  .feat-card .feat-media img{position:absolute;width:100%;height:100%}
  .quote-box{padding:28px}
  .footer-grid{grid-template-columns:1fr}
  .footer-card-bottom{padding-bottom:24px}
  .sidebar{flex-direction:column}
  .side-card{flex:1 1 100%;min-width:0}
  .scroll-top{bottom:76px;right:16px;width:40px;height:40px}
}
@media screen and (max-width:520px){
  .container-x{padding-left:16px;padding-right:16px}
  .cat-hero-content p{font-size:14px}
  .see-all{padding:6px 14px;font-size:12px}
  .faq-q h3{font-size:14px}
  .side-card{padding:18px}
  .btn-fill-brand{width:100%}
}

/* focus */
a:focus-visible,button:focus-visible{outline:2px solid rgba(12,111,142,.35);outline-offset:2px}
button{cursor:pointer}

/* roulang page: category3 */
:root {
            --bg: #F5F8FB;
            --surface: #FFFFFF;
            --primary: #0C6F8E;
            --primary-dark: #095471;
            --primary-light: #E3F0F6;
            --ink: #10283C;
            --body: #2E465C;
            --muted: #5C7285;
            --line: #E1EAF1;
            --accent: #F57C28;
            --accent-light: #FFB065;
            --success: #2B9B79;
            --radius-lg: 12px;
            --radius-sm: 6px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 10px rgba(16, 40, 60, 0.06);
            --shadow-md: 0 8px 24px rgba(16, 40, 60, 0.10);
            --container: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--body);
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        p,
        ul,
        figure {
            margin: 0;
            padding: 0;
        }

        ul {
            list-style: none;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container-x {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        .skip-link {
            position: absolute;
            left: -999px;
            top: 10px;
            z-index: 2000;
            background: var(--ink);
            color: #fff;
            padding: 8px 16px;
            border-radius: 8px;
        }

        .skip-link:focus {
            left: 10px;
        }

        /* ---------- Header & Navigation ---------- */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--line);
            position: relative;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 16px;
        }

        .logo {
            display: inline-flex;
            align-items: baseline;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-main {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.2px;
            line-height: 1.2;
        }

        .logo-tag {
            font-size: 12px;
            color: var(--muted);
            font-weight: 400;
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex: 1;
        }

        .main-nav a {
            display: inline-block;
            padding: 9px 16px;
            border-radius: var(--radius-pill);
            color: var(--body);
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(12, 111, 142, 0.24);
        }

        .main-nav a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .nav-tools {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-user {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            color: var(--primary);
            background: var(--primary-light);
            font-size: 18px;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }

        .nav-user:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ---------- Mobile bottom nav ---------- */
        .mobile-bottom-nav {
            display: none;
        }

        @media screen and (max-width: 760px) {
            .site-header {
                position: sticky;
                top: 0;
                transition: box-shadow 0.3s ease;
                box-shadow: 0 2px 14px rgba(16, 40, 60, 0.05);
            }

            .header-inner {
                min-height: 60px;
            }

            .main-nav {
                display: none;
            }

            .logo-main {
                font-size: 19px;
            }

            .logo-tag {
                font-size: 11px;
            }

            .mobile-bottom-nav {
                display: flex;
                position: fixed;
                left: 0;
                right: 0;
                bottom: 0;
                height: 58px;
                background: rgba(255, 255, 255, 0.97);
                border-top: 1px solid var(--line);
                box-shadow: 0 -6px 20px rgba(16, 40, 60, 0.08);
                z-index: 999;
                backdrop-filter: blur(14px);
            }

            .mobile-bottom-nav a {
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                flex: 1;
                font-size: 11px;
                color: var(--muted);
                gap: 3px;
            }

            .mobile-bottom-nav a i {
                font-size: 17px;
            }

            .mobile-bottom-nav a.active {
                color: var(--primary);
                font-weight: 600;
            }

            body {
                padding-bottom: 58px;
            }
        }

        /* ---------- Buttons ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            vertical-align: middle;
        }

        .btn i {
            font-size: 1em;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 20px rgba(245, 124, 40, 0.24);
        }

        .btn-accent:hover {
            background: #ff8a3a;
            color: #fff;
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 12px 26px rgba(245, 124, 40, 0.32);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(12, 111, 142, 0.18);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.75);
            color: #fff;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            border-color: #fff;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(12, 111, 142, 0.32);
            outline-offset: 2px;
        }

        /* ---------- Category hero ---------- */
        .cat-hero {
            position: relative;
            background-color: #10283C;
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 88px 0 78px;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(16, 40, 60, 0.95) 0%, rgba(16, 40, 60, 0.72) 45%, rgba(16, 40, 60, 0.25) 100%);
            z-index: 1;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(16, 40, 60, 0.1) 0%, rgba(16, 40, 60, 0.5) 100%);
            z-index: 1;
        }

        .cat-hero .container-x {
            position: relative;
            z-index: 3;
        }

        .cat-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 14px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            font-size: 13px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(8px);
            margin-bottom: 22px;
            color: #F1F9FE;
        }

        .cat-eyebrow i {
            color: var(--accent-light);
        }

        .cat-hero h1 {
            font-size: 42px;
            line-height: 1.24;
            color: #fff;
            font-weight: 800;
            max-width: 720px;
            margin-bottom: 18px;
        }

        .cat-hero p {
            max-width: 680px;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.85;
            margin-bottom: 26px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 0 0 34px;
        }

        .hero-tags li {
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-sm);
            font-size: 13px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        @media screen and (max-width: 1024px) {
            .cat-hero {
                padding: 68px 0 58px;
            }

            .cat-hero h1 {
                font-size: 36px;
            }
        }

        @media screen and (max-width: 560px) {
            .cat-hero {
                padding: 54px 0 48px;
            }

            .cat-hero h1 {
                font-size: 30px;
            }

            .cat-hero p {
                font-size: 15px;
            }

            .hero-actions .btn {
                width: 100%;
            }
        }

        /* ---------- General sections ---------- */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--surface);
        }

        .section-primary-light {
            background: var(--primary-light);
        }

        .section-sm {
            padding: 52px 0;
        }

        .section-head {
            margin-bottom: 44px;
        }

        .section-head .head-kicker {
            display: inline-block;
            margin-bottom: 8px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .section-head h2 {
            position: relative;
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 10px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }

        .section-head p {
            max-width: 760px;
            color: var(--muted);
            font-size: 15px;
            margin-top: 8px;
        }

        .center-head {
            text-align: center;
        }

        .center-head h2 {
            padding-left: 0;
            border-left: 0;
        }

        @media screen and (max-width: 640px) {
            .section {
                padding: 50px 0;
            }

            .section-head {
                margin-bottom: 30px;
            }

            .section-head h2 {
                font-size: 23px;
            }
        }

        /* ---------- Intro quick strip ---------- */
        .quick-strip {
            margin-top: -36px;
            position: relative;
            z-index: 10;
        }

        .quick-cards {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            overflow: hidden;
        }

        .quick-card {
            padding: 24px 28px;
            position: relative;
        }

        .quick-card + .quick-card {
            border-left: 1px solid var(--line);
        }

        .quick-card i {
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 10px;
        }

        .quick-card strong {
            display: block;
            color: var(--ink);
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .quick-card span {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.6;
        }

        @media screen and (max-width: 760px) {
            .quick-strip {
                margin-top: -26px;
            }

            .quick-cards {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .quick-card + .quick-card {
                border-left: 0;
                border-top: 1px solid var(--line);
            }
        }

        /* ---------- Feature cards for category ---------- */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border: 1px solid #E9F0F5;
            border-radius: var(--radius-lg);
            padding: 34px 26px 30px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            border-radius: 14px;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 5px;
        }

        .feature-more {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 8px;
        }

        @media screen and (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ---------- Editor pick ---------- */
        .editor-pick-wrap {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .editor-pick-main {
            display: grid;
            grid-template-columns: 1.35fr 1fr;
        }

        .pick-media {
            min-height: 310px;
            position: relative;
            overflow: hidden;
        }

        .pick-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .pick-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(80deg, rgba(16, 40, 60, 0.6), transparent 90%);
        }

        .pick-caption {
            position: absolute;
            left: 28px;
            right: 28px;
            bottom: 24px;
            z-index: 2;
            color: #fff;
        }

        .pick-caption .pick-kicker {
            display: inline-block;
            font-size: 13px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            padding: 5px 10px;
            margin-bottom: 10px;
        }

        .pick-caption h3 {
            font-size: 22px;
            line-height: 1.4;
            color: #fff;
            margin-bottom: 6px;
        }

        .pick-caption p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 460px;
        }

        .pick-side {
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
            background: #fff;
        }

        .pick-side-item {
            padding: 13px 4px;
            border-bottom: 1px solid rgba(225, 234, 241, 0.7);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all 0.2s ease;
        }

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

        .pick-side-item:hover {
            transform: translateX(4px);
        }

        .pick-side-item .num {
            font-size: 13px;
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
            min-width: 30px;
            height: 30px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .pick-side-item h4 {
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .pick-side-item p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        @media screen and (max-width: 980px) {
            .editor-pick-main {
                grid-template-columns: 1fr;
            }

            .pick-media {
                min-height: 250px;
            }
        }

        /* ---------- Timeline / watch path ---------- */
        .watch-path-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .watch-visual {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            min-height: 360px;
            background: var(--primary-light);
        }

        .watch-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 360px;
        }

        .watch-visual .visual-tag {
            position: absolute;
            left: 18px;
            top: 18px;
            background: rgba(255, 255, 255, 0.94);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            z-index: 2;
        }

        .watch-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .watch-step {
            display: flex;
            gap: 18px;
            position: relative;
            padding-left: 0;
        }

        .watch-step-num {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 6px 14px rgba(12, 111, 142, 0.2);
        }

        .watch-step:nth-child(2) .watch-step-num {
            background: var(--accent);
            box-shadow: 0 6px 14px rgba(245, 124, 40, 0.22);
        }

        .watch-step h3 {
            font-size: 17px;
            color: var(--ink);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .watch-step p {
            font-size: 14px;
            color: var(--muted);
        }

        @media screen and (max-width: 860px) {
            .watch-path-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .watch-visual {
                min-height: 250px;
            }

            .watch-visual img {
                min-height: 250px;
                max-height: 280px;
            }
        }

        /* ---------- Quote / note strip ---------- */
        .note-strip {
            background: var(--ink);
            border-radius: 16px;
            position: relative;
            overflow: hidden;
            color: #fff;
            padding: 44px 50px;
            margin: 74px 0 0;
        }

        .note-strip::after {
            content: "\f10d";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 120px;
            position: absolute;
            right: -10px;
            bottom: -40px;
            color: rgba(255, 255, 255, 0.06);
        }

        .note-strip h2 {
            color: #fff;
            font-size: 24px;
            max-width: 560px;
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .note-strip p {
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            font-size: 14px;
        }

        .note-strip .sign {
            margin-top: 18px;
            color: var(--accent-light);
            font-size: 14px;
            font-weight: 600;
        }

        @media screen and (max-width: 640px) {
            .note-strip {
                padding: 30px 22px;
                border-radius: 12px;
            }

            .note-strip h2 {
                font-size: 20px;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-grid {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            padding: 12px 28px;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

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

        details.faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            padding: 20px 0;
            cursor: pointer;
            color: var(--ink);
            font-weight: 600;
            font-size: 15px;
            list-style: none;
            transition: color 0.2s ease;
        }

        details.faq-item summary::-webkit-details-marker {
            display: none;
        }

        details.faq-item summary:hover {
            color: var(--primary);
        }

        details.faq-item summary i {
            color: var(--primary);
            transition: transform 0.25s ease;
            font-size: 14px;
            flex-shrink: 0;
        }

        details[open].faq-item summary i {
            transform: rotate(45deg);
        }

        details.faq-item .faq-answer {
            padding: 0 28px 20px 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 920px;
        }

        @media screen and (max-width: 640px) {
            .faq-grid {
                padding: 4px 18px;
            }

            details.faq-item .faq-answer {
                padding-right: 0;
            }
        }

        /* ---------- CTA ---------- */
        .cta-panel {
            background: linear-gradient(125deg, #0B5E78 0%, #167B9B 70%, #2295B3 100%);
            border-radius: 20px;
            padding: 64px 56px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            mix-blend-mode: luminosity;
        }

        .cta-panel .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-panel h2 {
            color: #fff;
            font-size: 30px;
            margin-bottom: 14px;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin: 0 auto 28px;
            font-size: 15px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        @media screen and (max-width: 640px) {
            .cta-panel {
                padding: 44px 18px;
                border-radius: 14px;
            }

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

            .cta-actions .btn {
                width: 100%;
            }
        }

        /* ---------- Page cover band ---------- */
        .band-title {
            background: var(--surface);
            padding: 46px 0;
            border-bottom: 1px solid var(--line);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #10283C;
            color: rgba(255, 255, 255, 0.78);
            padding: 56px 0 30px;
            margin-top: 80px;
            font-size: 14px;
        }

        .footer-main {
            margin-bottom: 22px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 36px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 420px;
            line-height: 1.8;
        }

        .footer-col h5 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.66);
            font-size: 13px;
            transition: color 0.2s ease;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 18px;
            margin-top: 26px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }

        .footer-disclaimer {
            margin-top: 18px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
        }

        @media screen and (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media screen and (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .site-footer {
                margin-top: 48px;
                padding-top: 40px;
            }

            .footer-bottom {
                flex-direction: column;
            }
        }

        /* ---------- Additional sections spacing ---------- */
        .mt-1 {
            margin-top: 8px;
        }

        .mt-2 {
            margin-top: 16px;
        }

        .mt-3 {
            margin-top: 24px;
        }

        .mb-3 {
            margin-bottom: 24px;
        }

        .text-clear {
            color: var(--muted);
            font-size: 14px;
        }

        .align-center {
            text-align: center;
        }

        a:focus-visible {
            outline: 3px solid rgba(12, 111, 142, 0.35);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ---------- Foundation not-allowed overrides ---------- */
        .site-header a,
        .site-footer a,
        .btn,
        .mobile-bottom-nav a {
            -webkit-tap-highlight-color: transparent;
        }

        .container-x .row {
            max-width: none;
            margin-left: 0;
            margin-right: 0;
        }