/* roulang page: index */
:root {
            --primary: #1B3A62;
            --primary-light: #3E7CB1;
            --primary-soft: #E8F0F8;
            --accent: #B8894F;
            --accent-light: #D9BC8C;
            --bg: #F2F6FA;
            --bg-card: #FFFFFF;
            --ink: #17304F;
            --muted: #5C6C7E;
            --line: #D7E1EC;
            --shadow: 0 12px 32px rgba(27, 58, 98, 0.10);
            --shadow-hover: 0 20px 48px rgba(27, 58, 98, 0.16);
            --radius: 14px;
            --radius-sm: 8px;
            --container: 1200px;
            --header-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: calc(var(--header-h) + 16px);
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        .section {
            padding: 64px 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 96px 0;
            }
        }

        .section-head {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 40px;
        }

        .section-head .section-kicker {
            display: block;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 6px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--ink);
            position: relative;
            padding-left: 16px;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--accent), var(--accent-light));
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.125rem;
            }
        }

        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.375rem;
            }
        }

        .section-sub {
            font-size: 0.9375rem;
            color: var(--muted);
            max-width: 560px;
            line-height: 1.7;
        }

        .section-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }

        .section-link:hover {
            color: var(--primary-light);
            gap: 10px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            outline: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn:active {
            transform: scale(0.97);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(27, 58, 98, 0.18);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: 0 12px 28px rgba(62, 124, 177, 0.25);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-soft);
            border-color: var(--primary-light);
            color: var(--primary-light);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

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

        .btn-lg {
            padding: 14px 36px;
            font-size: 1rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .header-inner {
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 10px 10px 10px 2px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(27, 58, 98, 0.25);
        }

        .logo-mark svg {
            width: 24px;
            height: 24px;
        }

        .logo-text {
            font-size: 1.0625rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.01em;
            line-height: 1.2;
        }

        .logo-text small {
            display: block;
            font-size: 0.6875rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.08em;
            margin-top: 2px;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 8px;
        }

        @media (min-width: 768px) {
            .main-nav {
                display: flex;
            }
        }

        .main-nav a.nav-link {
            font-weight: 500;
            font-size: 0.9375rem;
            color: var(--ink);
            padding: 8px 14px;
            border-radius: 6px;
            position: relative;
            transition: color 0.2s ease, background 0.2s ease;
        }

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

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

        .main-nav a.nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .nav-cta {
            display: none;
            margin-left: 8px;
            padding: 9px 20px;
            border-radius: 40px;
            background: var(--primary);
            color: #fff !important;
            font-size: 0.875rem;
            font-weight: 600;
            transition: background 0.25s ease, transform 0.25s ease;
            box-shadow: 0 4px 14px rgba(27, 58, 98, 0.2);
        }

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

        @media (min-width: 1024px) {
            .nav-cta {
                display: inline-flex;
            }
        }

        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--line);
            border-radius: 10px;
            background: #fff;
            color: var(--primary);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .nav-toggle:hover {
            background: var(--primary-soft);
            border-color: var(--primary-light);
        }

        @media (min-width: 768px) {
            .nav-toggle {
                display: none;
            }
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--line);
            box-shadow: var(--shadow);
            padding: 16px 16px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--ink);
            border-radius: 10px;
            transition: background 0.2s ease;
        }

        .mobile-menu a:hover {
            background: var(--primary-soft);
        }

        .mobile-menu a.active {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .mobile-menu .mobile-cta {
            margin-top: 12px;
            text-align: center;
        }

        /* ===== Hero ===== */
        .hero-section {
            padding-top: calc(var(--header-h) + 40px);
            padding-bottom: 64px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--primary-soft) 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.10;
            clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
            z-index: 0;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            top: -80px;
            right: 18%;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(184, 137, 79, 0.14) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-bento {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .hero-bento {
                grid-template-columns: 7fr 5fr;
                gap: 56px;
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 40px;
            padding: 7px 16px;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(27, 58, 98, 0.08);
            margin-bottom: 22px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .hero-title {
            font-size: 2.125rem;
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            color: var(--ink);
            margin-bottom: 20px;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 2.75rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.25rem;
            }
        }

        .hero-title .hl {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }

        .hero-title .hl::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 4px;
            height: 10px;
            background: linear-gradient(90deg, var(--accent-light), transparent);
            z-index: -1;
            border-radius: 4px;
            opacity: 0.5;
        }

        .hero-sub {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 32px;
        }

        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--muted);
        }

        .hero-trust i {
            color: var(--accent);
        }

        .voucher-wall {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            position: relative;
        }

        .voucher-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px;
            position: relative;
            border: 1px solid var(--line);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .voucher-main {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, var(--primary) 0%, #2A5588 100%);
            color: #fff;
            border: none;
            overflow: hidden;
            padding: 28px;
        }

        .voucher-main::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 120px;
            height: 120px;
            border: 2px dashed rgba(255, 255, 255, 0.25);
            border-radius: 50%;
        }

        .voucher-main::before {
            content: "";
            position: absolute;
            left: 24px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--accent-light), transparent);
        }

        .voucher-tag {
            display: inline-block;
            font-size: 0.6875rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .voucher-main .voucher-tag {
            background: var(--accent-light);
            color: var(--primary);
        }

        .voucher-card h3 {
            font-size: 1.625rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .voucher-card h4 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .voucher-card p {
            font-size: 0.8125rem;
            line-height: 1.6;
            color: var(--muted);
            margin-bottom: 12px;
        }

        .voucher-main p {
            color: rgba(255, 255, 255, 0.85);
        }

        .voucher-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            font-feature-settings: "tnum";
            display: inline-block;
            margin-bottom: 4px;
        }

        .voucher-main .voucher-price {
            color: var(--accent-light);
        }

        .voucher-main .btn {
            margin-top: 16px;
            width: 100%;
        }

        .voucher-mini {
            padding: 18px;
        }

        .voucher-mini p {
            font-size: 0.75rem;
        }

        .voucher-mini .voucher-link {
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }

        .voucher-mini .voucher-link:hover {
            gap: 8px;
            color: var(--primary-light);
        }

        /* ===== Stats Band ===== */
        .stats-band {
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
            padding: 56px 0;
        }

        .stats-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(
                -45deg,
                rgba(255, 255, 255, 0.03) 0px,
                rgba(255, 255, 255, 0.03) 2px,
                transparent 2px,
                transparent 12px
            );
        }

        .stats-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px 16px;
            text-align: center;
        }

        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 0;
            }
        }

        .stat-item {
            padding: 0 16px;
            position: relative;
        }

        @media (min-width: 768px) {
            .stat-item:not(:last-child)::after {
                content: "";
                position: absolute;
                right: 0;
                top: 50%;
                transform: translateY(-50%);
                width: 1px;
                height: 52px;
                background: rgba(255, 255, 255, 0.18);
            }
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-light);
            font-feature-settings: "tnum";
            line-height: 1.1;
            margin-bottom: 6px;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 3.5rem;
            }
        }

        .stat-label {
            font-size: 0.8125rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.04em;
        }

        /* ===== Track ===== */
        .track-section {
            background: #fff;
        }

        .track-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 4px 24px;
            scroll-snap-type: x mandatory;
            scrollbar-width: thin;
            scrollbar-color: var(--line) transparent;
        }

        .track-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--line);
            border-radius: 6px;
        }

        .track-card {
            flex: 0 0 260px;
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--line);
            box-shadow: var(--shadow);
            scroll-snap-align: start;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .track-card .track-img {
            height: 170px;
            overflow: hidden;
            position: relative;
        }

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

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

        .track-card .track-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 0.6875rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .track-card .track-body {
            padding: 18px;
        }

        .track-card .track-name {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--ink);
        }

        .track-card .track-meta {
            font-size: 0.75rem;
            color: var(--muted);
            margin-bottom: 10px;
        }

        .track-card .track-flavors {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .track-flavors span {
            font-size: 0.6875rem;
            font-weight: 600;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 20px;
        }

        /* ===== Recommend ===== */
        .recommend-section {
            background: var(--bg);
        }

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

        @media (min-width: 768px) {
            .recommend-grid {
                grid-template-columns: 6fr 6fr;
            }
        }

        .recommend-main {
            grid-column: 1 / -1;
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
        }

        @media (min-width: 768px) {
            .recommend-main {
                grid-column: 1 / 2;
                grid-row: 1 / 3;
                min-height: 400px;
            }
        }

        .recommend-main img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .recommend-main:hover img {
            transform: scale(1.04);
        }

        .recommend-main .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(23, 48, 79, 0.85) 100%);
        }

        .recommend-main .content {
            position: relative;
            padding: 32px;
            color: #fff;
            width: 100%;
        }

        .recommend-main h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .recommend-main p {
            font-size: 0.875rem;
            opacity: 0.9;
            max-width: 420px;
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .recommend-main .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--accent-light);
            transition: gap 0.2s ease;
        }

        .recommend-main .arrow-link:hover {
            gap: 10px;
            color: #fff;
        }

        .recommend-card {
            border-radius: var(--radius);
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 180px;
            box-shadow: var(--shadow);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .recommend-card .rc-tag {
            font-size: 0.6875rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .recommend-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .recommend-card p {
            font-size: 0.8125rem;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .recommend-card .rc-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }

        .recommend-card .rc-list li {
            font-size: 0.6875rem;
            font-weight: 600;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 20px;
        }

        .recommend-card .arrow-link {
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
            transition: gap 0.2s ease;
        }

        .recommend-card .arrow-link:hover {
            gap: 10px;
            color: var(--primary-light);
        }

        .recommend-card.rc-blue {
            background: var(--primary-soft);
            border: 1px solid var(--line);
        }

        /* ===== Zones ===== */
        .zones-section {
            background: #fff;
        }

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

        @media (min-width: 768px) {
            .zones-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .zone-card {
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--line);
            background: #fff;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .zone-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

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

        .zone-img .zone-type {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 0.6875rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 24px;
            box-shadow: 0 4px 12px rgba(27, 58, 98, 0.25);
        }

        .zone-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .zone-body h3 {
            font-size: 1.1875rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--ink);
        }

        .zone-body p {
            font-size: 0.8125rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .zone-body .zone-features {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--accent);
            margin-top: auto;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--primary-soft);
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light), transparent);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
        }

        @media (min-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .step-item {
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px;
            position: relative;
            box-shadow: var(--shadow);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 12px 12px 12px 2px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.375rem;
            font-weight: 800;
            margin-bottom: 20px;
            font-feature-settings: "tnum";
            box-shadow: 0 8px 18px rgba(27, 58, 98, 0.2);
        }

        .step-item h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .step-item p {
            font-size: 0.8125rem;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ===== News ===== */
        .news-section {
            background: var(--bg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            max-width: 860px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 22px 8px;
            border-bottom: 1px solid var(--line);
            transition: background 0.2s ease;
            border-radius: 8px;
        }

        .news-item:hover {
            background: rgba(232, 240, 248, 0.5);
        }

        .news-date {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            background: var(--primary-soft);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            line-height: 1.2;
        }

        .news-date .news-day {
            font-size: 1.625rem;
            font-weight: 800;
            color: var(--primary);
            font-feature-settings: "tnum";
        }

        .news-date .news-month {
            font-size: 0.6875rem;
            font-weight: 600;
            color: var(--muted);
            letter-spacing: 0.04em;
        }

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

        .news-main h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
            transition: color 0.2s ease;
            line-height: 1.4;
        }

        .news-main h3 a:hover {
            color: var(--primary-light);
        }

        .news-main .news-excerpt {
            font-size: 0.8125rem;
            color: var(--muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .news-main .news-cat {
            display: inline-block;
            background: var(--accent-light);
            color: var(--ink);
            font-size: 0.6875rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 4px;
        }

        .news-arrow {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
            transition: all 0.25s ease;
            box-shadow: 0 4px 12px rgba(27, 58, 98, 0.08);
        }

        .news-item:hover .news-arrow {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateX(4px);
        }

        .news-empty {
            border: 2px dashed var(--line);
            border-radius: var(--radius);
            padding: 48px 24px;
            text-align: center;
            color: var(--muted);
            font-size: 0.9375rem;
            background: #fff;
            max-width: 860px;
            margin: 0 auto;
        }

        .news-empty i {
            font-size: 2rem;
            color: var(--accent-light);
            display: block;
            margin-bottom: 12px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }

        @media (min-width: 1024px) {
            .faq-layout {
                grid-template-columns: 8fr 4fr;
                gap: 48px;
            }
        }

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

        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: #fff;
            overflow: hidden;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .faq-item.open {
            border-color: var(--primary-light);
            background: var(--primary-soft);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            padding: 16px 20px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--ink);
            transition: color 0.2s ease;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9375rem;
            color: var(--primary);
            transition: all 0.3s ease;
            font-weight: 400;
        }

        .faq-item.open .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px 62px;
            font-size: 0.875rem;
            color: var(--muted);
            line-height: 1.75;
        }

        .faq-answer-inner ul {
            margin-top: 8px;
            padding-left: 18px;
        }

        .faq-answer-inner ul li {
            margin-top: 4px;
        }

        .faq-contact-card {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            padding: 32px;
            height: fit-content;
            position: sticky;
            top: calc(var(--header-h) + 24px);
            box-shadow: 0 16px 40px rgba(27, 58, 98, 0.22);
            overflow: hidden;
        }

        .faq-contact-card::after {
            content: "";
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 2px dashed rgba(255, 255, 255, 0.2);
        }

        .faq-contact-card h3 {
            font-size: 1.375rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .faq-contact-card p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .faq-contact-card .btn {
            width: 100%;
        }

        /* ===== CTA ===== */
        .cta-band {
            background: var(--primary);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 2px dashed rgba(255, 255, 255, 0.12);
        }

        .cta-band::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(184, 137, 79, 0.15);
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.25;
        }

        @media (min-width: 768px) {
            .cta-inner h2 {
                font-size: 2.375rem;
            }
        }

        .cta-inner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-inner .btn {
            margin: 0 6px 10px;
        }

        /* ===== Contact ===== */
        .contact-section {
            background: var(--bg);
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }

        @media (min-width: 1024px) {
            .contact-layout {
                grid-template-columns: 5fr 7fr;
                gap: 56px;
            }
        }

        .contact-info .section-title {
            margin-bottom: 24px;
        }

        .contact-rows {
            display: flex;
            flex-direction: column;
            gap: 22px;
            margin-bottom: 28px;
        }

        .contact-row {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .contact-row .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.0625rem;
            flex-shrink: 0;
        }

        .contact-row .label {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 2px;
        }

        .contact-row .value {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.6;
        }

        .contact-map {
            height: 180px;
            border-radius: var(--radius);
            background: var(--primary-soft);
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
        }

        .contact-map::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(232, 240, 248, 0.88);
            backdrop-filter: blur(2px);
        }

        .contact-map .map-pin {
            position: relative;
            z-index: 1;
            text-align: center;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            background: #fff;
            padding: 10px 20px;
            border-radius: 30px;
            box-shadow: var(--shadow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .contact-map .map-pin i {
            color: var(--accent);
        }

        .contact-form-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
            border: 1px solid var(--line);
        }

        @media (min-width: 768px) {
            .contact-form-card {
                padding: 36px;
            }
        }

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

        @media (min-width: 640px) {
            .form-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .form-field label {
            display: block;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .form-field input,
        .form-field select,
        .form-field textarea {
            width: 100%;
            height: 44px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 0.875rem;
            color: var(--ink);
            background: #fff;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            outline: none;
        }

        .form-field textarea {
            height: 100px;
            padding: 12px 14px;
            resize: vertical;
        }

        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(62, 124, 177, 0.14);
        }

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

        .form-note {
            font-size: 0.75rem;
            color: var(--muted);
            text-align: center;
            margin-top: 14px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.8);
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding: 64px 0 48px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 5fr 3fr 4fr;
            }
        }

        .footer-brand .logo {
            margin-bottom: 18px;
        }

        .footer-brand .logo-mark {
            background: rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand .logo-text small {
            color: var(--accent-light);
        }

        .footer-desc {
            font-size: 0.8125rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-title {
            font-size: 0.9375rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent-light);
            margin-top: 3px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        .footer-bottom .sep {
            margin: 0 6px;
            opacity: 0.4;
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .back-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-top:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }

        /* ===== Responsive extra ===== */
        @media (max-width: 639px) {
            .hero-title {
                font-size: 1.875rem;
            }

            .hero-sub {
                font-size: 0.9375rem;
            }

            .voucher-wall {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .voucher-main {
                padding: 20px;
            }

            .voucher-card h3 {
                font-size: 1.25rem;
            }

            .news-item {
                flex-wrap: wrap;
                gap: 12px;
            }

            .news-date {
                width: 56px;
                height: 56px;
            }

            .news-date .news-day {
                font-size: 1.25rem;
            }

            .news-arrow {
                display: none;
            }

            .faq-answer-inner {
                padding-left: 20px;
            }
        }

        @media (max-width: 420px) {
            .voucher-wall {
                grid-template-columns: 1fr;
            }

            .voucher-card {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
  --primary: #1B3A62;
  --primary-light: #3E7CB1;
  --primary-soft: #E8F0F8;
  --accent: #B8894F;
  --accent-light: #D9BC8C;
  --bg: #F2F6FA;
  --bg-card: #FFFFFF;
  --ink: #17304F;
  --muted: #5C6C7E;
  --line: #D7E1EC;
  --shadow: 0 12px 32px rgba(27, 58, 98, 0.10);
  --shadow-hover: 0 20px 48px rgba(27, 58, 98, 0.16);
  --radius: 14px;
  --radius-sm: 8px;
  --container: 1200px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum";
}

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

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

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

.container {
  max-width: var(--container) !important;
  margin: 0 auto !important;
  padding: 0 24px !important;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(27, 58, 98, .18);
  transition: transform .25s ease;
}

.logo:hover .logo-mark {
  transform: rotate(-6deg) scale(1.04);
}

.logo-mark svg {
  width: 22px;
  height: 22px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.logo-text small {
  display: block;
  font-size: .75rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .05em;
  margin-top: 2px;
}

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

.nav-link {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 2px;
  position: relative;
  transition: color .2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  transition: width .25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-light);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9375rem;
  transition: all .25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-cta:hover {
  background: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(27, 58, 98, .25);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background .2s ease;
}

.nav-toggle:hover {
  background: var(--primary-soft);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
  background: var(--primary-soft);
  border-bottom: 1px solid var(--line);
}

.breadcrumb-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding-top: 8px;
  padding-bottom: 8px;
  gap: 12px;
  flex-wrap: wrap;
}

.back-link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  transition: color .2s ease;
}

.back-link i {
  transition: transform .2s ease;
}

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

.breadcrumb-path {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.breadcrumb-path a {
  color: var(--primary);
  font-weight: 500;
}

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

.breadcrumb-path .sep {
  color: var(--line);
  font-size: .8125rem;
}

/* ===== Article Section ===== */
.article-section {
  padding: 56px 0 72px;
  position: relative;
}

.article-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 320px;
  background-image: url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  opacity: .08;
  pointer-events: none;
  z-index: 0;
}

.article-card {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px 56px;
  position: relative;
  z-index: 1;
  border-top: 4px solid var(--accent);
}

.article-head {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.article-h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: .875rem;
  color: var(--muted);
}

.article-cat {
  background: var(--accent-light);
  color: var(--ink);
  padding: 4px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .8125rem;
}

.article-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== Article Body ===== */
.article-content {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink);
  overflow-wrap: break-word;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  font-weight: 700;
  color: var(--primary);
  margin-top: 36px;
  margin-bottom: 16px;
  line-height: 1.35;
}

.article-content h2 {
  font-size: 1.5rem;
  border-left: 4px solid var(--accent);
  padding-left: 16px;
}

.article-content h3 {
  font-size: 1.25rem;
  border-left: 3px solid var(--primary-light);
  padding-left: 14px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 24px 20px;
  padding: 0;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  background: var(--primary-soft);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 28px 0;
  color: var(--ink);
  font-size: .9375rem;
}

.article-content img {
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin: 28px auto;
}

.article-content figure {
  margin: 28px 0;
}

.article-content figcaption {
  text-align: center;
  font-size: .8125rem;
  color: var(--muted);
  margin-top: 10px;
}

.article-content a {
  color: var(--primary);
  border-bottom: 1px solid var(--accent-light);
  transition: border-color .2s ease;
}

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

.article-content code {
  background: #F8FAFC;
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: .875em;
  white-space: nowrap;
}

.article-content pre {
  background: #F8FAFC;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  overflow-x: auto;
  margin: 24px 0;
  line-height: 1.7;
}

.article-content pre code {
  background: none;
  border: none;
  padding: 0;
  white-space: pre;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: .9375rem;
}

.article-content th,
.article-content td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
}

.article-content th {
  background: var(--primary-soft);
  font-weight: 600;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 80px 24px;
}

.empty-state i {
  font-size: 3rem;
  color: var(--accent-light);
  margin-bottom: 16px;
  display: block;
}

.empty-state p {
  font-size: 1.125rem;
  color: var(--muted);
  margin-bottom: 24px;
}

/* ===== Related Section ===== */
.related-section {
  padding: 64px 0 72px;
  background: var(--bg);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 28px;
  background: var(--accent);
  border-radius: 2px;
}

.related-empty {
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
  background: var(--bg-card);
  transition: border-color .25s ease;
}

.related-empty:hover {
  border-color: var(--accent-light);
}

.related-empty i {
  font-size: 2.5rem;
  color: var(--accent-light);
  margin-bottom: 12px;
  display: block;
}

.related-empty p {
  font-size: .9375rem;
  color: var(--muted);
}

/* ===== CTA Strip ===== */
.cta-strip {
  padding: 0 0 64px;
}

.cta-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--primary);
  box-shadow: var(--shadow-hover);
}

.cta-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/coverpic/cover-2.jpg');
  background-size: cover;
  background-position: center;
  opacity: .2;
  transition: transform .6s ease;
}

.cta-card:hover .cta-bg {
  transform: scale(1.04);
}

.cta-content {
  position: relative;
  z-index: 1;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-text h2 {
  color: #fff;
  font-size: 1.625rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.cta-text p {
  color: rgba(255, 255, 255, .8);
  font-size: .9375rem;
  max-width: 480px;
}

.cta-card .btn-primary {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
}

.cta-card .btn-primary:hover {
  background: var(--accent-light);
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
}

/* ===== Back Entry ===== */
.back-entry {
  text-align: center;
  padding: 8px 0 72px;
  background: var(--bg);
}

.back-entry .btn-secondary {
  background: var(--bg-card);
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9375rem;
  border: none;
  cursor: pointer;
  transition: all .25s ease;
}

.btn-primary:hover {
  background: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(62, 124, 177, .35);
}

.btn-primary:active {
  transform: scale(.97);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9375rem;
  cursor: pointer;
  transition: all .25s ease;
}

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

.btn-secondary:active {
  transform: scale(.97);
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.nav-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .85);
}

.footer-topline {
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 48px;
  padding: 56px 0 40px;
}

.footer-brand .logo .logo-text {
  color: #fff;
}

.footer-brand .logo .logo-text small {
  color: rgba(255, 255, 255, .6);
}

.footer-brand .footer-desc {
  margin-top: 16px;
  font-size: .9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .65);
  max-width: 360px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, .7);
  font-size: .9375rem;
  transition: all .2s ease;
}

.footer-links a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: .9375rem;
  color: rgba(255, 255, 255, .7);
}

.footer-contact i {
  color: var(--accent-light);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8125rem;
  color: rgba(255, 255, 255, .55);
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, .7);
  margin: 0 4px;
  transition: color .2s ease;
}

.footer-bottom a:hover {
  color: var(--accent-light);
}

.footer-bottom .sep {
  margin: 0 2px;
  opacity: .5;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-card {
    padding: 40px 36px;
  }

  .cta-content {
    padding: 40px 32px;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 8px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 48px rgba(27, 58, 98, .12);
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--line);
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    margin-top: 12px;
    width: 100%;
    justify-content: center;
  }

  .nav-toggle {
    display: block;
  }

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

  .article-card {
    padding: 32px 24px;
    border-radius: 12px;
  }

  .article-h1 {
    font-size: 1.6rem;
  }

  .related-section {
    padding: 48px 0 56px;
  }

  .cta-content {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 24px;
  }

  .breadcrumb-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px !important;
  }

  .article-card {
    padding: 24px 16px;
  }

  .article-h1 {
    font-size: 1.35rem;
  }

  .article-content {
    font-size: .9375rem;
    line-height: 1.85;
  }

  .article-content h2 {
    font-size: 1.25rem;
  }

  .article-content h3 {
    font-size: 1.125rem;
  }

  .cta-text h2 {
    font-size: 1.375rem;
  }

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

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

/* roulang page: category1 */
:root {
            --primary: #1B3A62;
            --primary-light: #3E7CB1;
            --primary-soft: #E8F0F8;
            --accent: #B8894F;
            --accent-light: #D9BC8C;
            --bg: #F2F6FA;
            --bg-card: #FFFFFF;
            --ink: #17304F;
            --muted: #5C6C7E;
            --line: #D7E1EC;
            --shadow: 0 12px 32px rgba(27, 58, 98, 0.10);
            --shadow-hover: 0 20px 48px rgba(27, 58, 98, 0.16);
            --radius: 14px;
            --radius-sm: 8px;
            --container: 1200px;
            --header-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'system-ui', '-apple-system', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calC(100% - 10px));
        }

        .logo-mark svg {
            width: 24px;
            height: 24px;
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
            display: flex;
            flex-direction: column;
        }

        .logo-text small {
            font-size: .68rem;
            font-weight: 500;
            color: var(--muted);
            letter-spacing: .04em;
            margin-top: 2px;
        }

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

        .nav-link {
            padding: 8px 16px;
            font-weight: 500;
            color: var(--ink);
            border-radius: var(--radius-sm);
            transition: color .2s, background .2s;
            position: relative;
            font-size: 15px;
        }

        .nav-link:hover {
            color: var(--primary-light);
            background: var(--primary-soft);
        }

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .nav-cta {
            margin-left: 12px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: background .2s, transform .15s, box-shadow .2s;
        }

        .nav-cta:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(27, 58, 98, .22);
        }

        .nav-cta:active {
            transform: scale(.97);
        }

        .nav-cta:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .nav-toggle:hover {
            background: var(--primary-soft);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--primary-soft);
            border-bottom: 1px solid var(--line);
            padding: 12px 0;
            margin-top: var(--header-h);
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-path {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            flex-wrap: wrap;
        }

        .breadcrumb-path a {
            color: var(--primary);
            font-weight: 500;
        }

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

        .breadcrumb-path .sep {
            color: #a0b0c0;
        }

        .breadcrumb-path .current {
            color: var(--muted);
        }

        .breadcrumb-back {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s;
        }

        .breadcrumb-back:hover {
            gap: 10px;
            color: var(--primary-light);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 88px 0 64px;
            background: linear-gradient(135deg, #fff 0%, var(--primary-soft) 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            right: -10%;
            bottom: -30%;
            width: 60%;
            height: 80%;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: .12;
            clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
            transform: rotate(2deg);
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 20px;
            right: 10%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: var(--accent-light);
            opacity: .15;
            filter: blur(60px);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 20px;
            box-shadow: 0 2px 10px rgba(27, 58, 98, .06);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .category-hero .subtitle {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 600px;
            margin-bottom: 28px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background .2s, transform .15s, box-shadow .2s;
        }

        .btn-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(62, 124, 177, .3);
        }

        .btn-primary:active {
            transform: scale(.97);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background .2s, transform .15s;
        }

        .btn-outline:hover {
            background: var(--primary-soft);
        }

        .btn-outline:active {
            transform: scale(.97);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            margin-top: 28px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--muted);
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust i {
            color: var(--accent);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 96px 0;
        }

        .section-head {
            margin-bottom: 48px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            font-size: clamp(1.75rem, 3vw, 2.3rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.25;
            position: relative;
            padding-left: 16px;
        }

        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            border-radius: 2px;
            background: var(--accent);
        }

        .section-head .sub {
            color: var(--muted);
            font-size: 15px;
        }

        /* ===== Intro ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 48px;
            align-items: center;
        }

        .intro-text p {
            color: var(--muted);
            margin-bottom: 18px;
            font-size: 15.5px;
            line-height: 1.85;
        }

        .intro-text p strong {
            color: var(--primary);
            font-weight: 600;
        }

        .intro-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px;
            border-top: 3px solid var(--accent);
        }

        .intro-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .intro-point {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 18px;
        }

        .intro-point .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            font-variant-numeric: tabular-nums;
            min-width: 42px;
        }

        .intro-point .txt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ===== Service Items ===== */
        .items-section {
            background: var(--bg);
        }

        .alternate-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 72px;
        }

        .alternate-row:last-child {
            margin-bottom: 0;
        }

        .alternate-row.reverse .item-media {
            order: 2;
        }

        .item-media {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 4/3;
        }

        .item-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .item-media:hover img {
            transform: scale(1.04);
        }

        .item-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(27, 58, 98, .35) 100%);
            pointer-events: none;
        }

        .item-media .badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: .02em;
        }

        .item-info {
            padding: 12px 0;
        }

        .item-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .item-info p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .item-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 999px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            transition: gap .2s, color .2s;
        }

        .text-link:hover {
            gap: 10px;
            color: var(--primary-light);
        }

        /* ===== Related News ===== */
        .related-section {
            background: var(--bg-card);
        }

        .news-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: box-shadow .25s, transform .25s;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }

        .news-card .thumb {
            height: 190px;
            overflow: hidden;
            position: relative;
        }

        .news-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }

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

        .news-card .thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 65%, rgba(27, 58, 98, .25) 100%);
        }

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

        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 10px;
            line-height: 1.5;
            transition: color .2s;
        }

        .news-card:hover h3 {
            color: var(--primary-light);
        }

        .news-card .meta {
            font-size: 13px;
            color: var(--muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 40px;
            align-items: start;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 10px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .2s;
        }

        .faq-item.open {
            border-color: var(--primary-light);
            background: var(--primary-soft);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 22px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            transition: color .2s;
        }

        .faq-q:hover {
            color: var(--primary-light);
        }

        .faq-q .icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform .3s, background .3s;
        }

        .faq-item.open .faq-q .icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-a {
            display: none;
            padding: 0 22px 18px;
            color: var(--muted);
            font-size: 14.5px;
            line-height: 1.75;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        .faq-sidecard {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 36px 28px;
            color: #fff;
            position: sticky;
            top: 100px;
            box-shadow: var(--shadow);
            clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
        }

        .faq-sidecard h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .faq-sidecard p {
            color: rgba(255, 255, 255, .85);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 22px;
        }

        .faq-sidecard .btn-light {
            display: inline-block;
            background: #fff;
            color: var(--primary);
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: transform .2s, box-shadow .2s;
        }

        .faq-sidecard .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, .2);
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: var(--primary);
            padding: 80px 0;
            overflow: hidden;
            clip-path: polygon(0 0, calc(100% - 3%) 0, 100% 100%, 3% 100%);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: .12;
            transform: skewX(-10deg);
            transform-origin: right;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            margin-bottom: 28px;
        }

        .cta-inner .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            transition: transform .2s, box-shadow .2s;
        }

        .cta-inner .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, .25);
            color: var(--primary);
        }

        /* ===== Contact ===== */
        .contact-section {
            background: var(--bg-card);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: start;
        }

        .contact-info h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .contact-row {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 18px;
        }

        .contact-row i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 4px;
            width: 22px;
            text-align: center;
        }

        .contact-row .label {
            font-size: 13px;
            color: var(--muted);
            display: block;
        }

        .contact-row .value {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
        }

        .contact-form-card {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px;
        }

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

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

        .form-group label {
            font-size: 13px;
            font-weight: 500;
            color: var(--ink);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            padding: 11px 14px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: #fff;
            color: var(--ink);
            transition: border-color .2s, box-shadow .2s;
            width: 100%;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(62, 124, 177, .12);
        }

        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }

        .form-submit {
            margin-top: 20px;
            width: 100%;
            padding: 14px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s, transform .15s;
        }

        .form-submit:hover {
            background: var(--primary-light);
        }

        .form-submit:active {
            transform: scale(.98);
        }

        .form-note {
            margin-top: 12px;
            font-size: 12px;
            color: var(--muted);
            text-align: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, .8);
            position: relative;
        }

        .site-footer::before {
            content: '';
            display: block;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding: 64px 0 40px;
        }

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

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand .logo-text small {
            color: rgba(255, 255, 255, .6);
        }

        .footer-brand .logo-mark {
            background: rgba(255, 255, 255, .1);
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.7;
            max-width: 340px;
        }

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

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent-light);
            margin-top: 3px;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            background: rgba(0, 0, 0, .2);
            font-size: 13px;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, .3);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .7);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 64px 0;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .faq-sidecard {
                position: static;
            }

            .news-cards {
                grid-template-columns: repeat(2, 1fr);
            }

            .alternate-row {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--line);
                box-shadow: var(--shadow);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                align-items: stretch;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link,
            .nav-cta {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                margin: 0;
                border-radius: 8px;
            }

            .nav-link.active::after {
                display: none;
            }

            .nav-link.active {
                background: var(--primary-soft);
                color: var(--primary);
            }

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

            .breadcrumb-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .alternate-row,
            .alternate-row.reverse .item-media {
                grid-template-columns: 1fr;
                order: unset;
            }

            .alternate-row {
                margin-bottom: 48px;
            }

            .news-cards {
                grid-template-columns: 1fr;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 0 32px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .category-hero {
                padding: 60px 0 48px;
            }
        }

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

            .logo-text {
                font-size: 1rem;
            }

            .logo-text small {
                font-size: .6rem;
            }

            .logo-mark {
                width: 36px;
                height: 36px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                margin-bottom: 32px;
            }

            .intro-card {
                padding: 22px;
            }

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

            .faq-a {
                padding: 0 16px 16px;
            }

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