/* roulang page: index */
:root {
            --page-bg: #F5F8FB;
            --card-bg: #FFFFFF;
            --brand: #2A6EA3;
            --brand-dark: #1A4C7A;
            --brand-soft: #E7F0F8;
            --accent: #0B7A75;
            --text-main: #162B3E;
            --text-secondary: #5A6E82;
            --border: #DCE6EF;
            --shadow-sm: 0 6px 20px rgba(42, 110, 163, .06);
            --shadow-md: 0 14px 34px rgba(42, 110, 163, .10);
            --shadow-lg: 0 24px 50px rgba(42, 110, 163, .12);
            --radius-xs: 8px;
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --transition: .22s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--page-bg);
            color: var(--text-main);
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            background: none;
            border: none;
            cursor: pointer;
            color: inherit;
        }
        ul,
        ol,
        p,
        h1,
        h2,
        h3,
        h4,
        figure {
            margin: 0;
        }
        table {
            border-collapse: collapse;
            width: 100%;
        }

        .container {
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        .section {
            padding: 96px 0;
        }
        .section-tinted {
            background: #EFF5F9;
        }
        .section-head {
            max-width: 760px;
            margin: 0 auto 48px;
        }
        .section-head.text-center {
            text-align: center;
        }
        .section-kicker {
            display: inline-block;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .2em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-size: clamp(28px, 4vw, 40px);
            line-height: 1.25;
            letter-spacing: -.01em;
            color: var(--text-main);
        }
        .section-head p {
            margin-top: 16px;
            color: var(--text-secondary);
            font-size: 16px;
        }

        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: #BBD2E6;
        }

        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            padding: 14px 24px;
            transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--brand);
            color: #fff;
            border: 1px solid var(--brand);
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            border-color: var(--brand-dark);
            transform: translateY(-1px);
            box-shadow: 0 12px 22px rgba(42, 110, 163, .26);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-secondary {
            background: #fff;
            color: var(--brand);
            border: 1px solid var(--border);
        }
        .btn-secondary:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 9px 16px;
            font-size: 14px;
        }
        .btn-block {
            width: 100%;
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .nav-link:focus-visible,
        .faq-question:focus-visible,
        .text-link:focus-visible,
        .news-link:focus-visible {
            outline: 3px solid rgba(42, 110, 163, .35);
            outline-offset: 3px;
            border-radius: 8px;
        }

        .tag,
        .pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            line-height: 1.4;
        }
        .tag-light {
            background: var(--brand-soft);
            color: var(--brand-dark);
        }
        .tag-teal {
            background: rgba(11, 122, 117, .12);
            color: var(--accent);
        }
        .pill {
            background: rgba(255, 255, 255, .8);
            border: 1px solid var(--border);
            color: var(--brand-dark);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            transition: color var(--transition), gap var(--transition);
        }
        .text-link:hover {
            color: var(--brand-dark);
            gap: 10px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 60;
            padding: 8px 0 0;
        }
        .nav-card {
            background: rgba(255, 255, 255, .96);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            padding: 10px 14px 10px 20px;
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 24px;
            align-items: center;
            position: relative;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--brand-dark);
            font-size: 18px;
            line-height: 1.2;
        }
        .brand-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand-soft);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 15px;
            border-radius: 10px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand-dark);
        }
        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 600;
        }
        .nav-link:active {
            transform: scale(.98);
        }
        .nav-desktop-cta {
            margin-left: auto;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: #fff;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: background var(--transition), border-color var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
            transition: transform .25s ease, opacity .2s ease;
        }
        .nav-toggle.is-active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.is-active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.is-active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .hero {
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            min-height: 610px;
            padding: 88px 0 96px;
            background:
                linear-gradient(180deg, rgba(246, 250, 253, .94) 0%, rgba(239, 246, 251, .82) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }
        .hero-inner {
            position: relative;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 64px;
            align-items: center;
            z-index: 1;
        }
        .hero-eyebrow {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 22px;
        }
        .hero h1 {
            font-size: clamp(36px, 5.4vw, 58px);
            line-height: 1.18;
            letter-spacing: -.02em;
            color: var(--text-main);
            max-width: 640px;
        }
        .hero-text {
            margin-top: 22px;
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
            max-width: 580px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 32px;
        }
        .hero-points {
            list-style: none;
            padding: 0;
            margin: 34px 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 26px;
        }
        .hero-points li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
        }
        .hero-points .dot {
            width: 26px;
            height: 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: #DDF0F1;
            color: var(--accent);
            font-size: 14px;
        }
        .hero-visual {
            display: flex;
            justify-content: flex-end;
        }
        .hero-image-card {
            position: relative;
            max-width: 480px;
            width: 100%;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 28px;
            padding: 10px;
            box-shadow: var(--shadow-lg);
        }
        .hero-image-card img {
            width: 100%;
            border-radius: 22px;
            object-fit: cover;
            aspect-ratio: 4 / 3.1;
        }
        .hero-badge-card {
            position: absolute;
            left: -18px;
            bottom: 34px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: var(--shadow-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hero-badge-card .badge-symbol {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--brand-soft);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .hero-badge-card strong {
            display: block;
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.3;
        }
        .hero-badge-card small {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        /* Timeline */
        .timeline-wrap {
            position: relative;
            max-width: 820px;
            margin: 0 auto;
            padding: 8px 0 0;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 25px;
            top: 18px;
            width: 2px;
            height: calc(100% - 24px);
            background: #C7DAE9;
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-left: 82px;
            margin-bottom: 26px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-node {
            position: absolute;
            left: 0;
            top: 0;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            color: var(--brand);
            transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
        }
        .timeline-item:hover .timeline-node {
            background: var(--brand);
            border-color: var(--brand);
            color: #fff;
            transform: scale(1.04);
        }
        .timeline-card {
            padding: 26px 28px;
            border-radius: var(--radius-lg);
        }
        .timeline-card-tags {
            margin-bottom: 12px;
        }
        .timeline-card h3 {
            font-size: 20px;
            line-height: 1.4;
            margin: 4px 0 10px;
        }
        .timeline-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        /* Feature */
        .feature-layout {
            display: grid;
            grid-template-columns: 1.12fr .88fr;
            gap: 28px;
            align-items: start;
        }
        .feature-highlight {
            overflow: hidden;
        }
        .feature-highlight img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 9;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .feature-highlight-body {
            padding: 28px 30px 32px;
        }
        .feature-highlight h3 {
            font-size: 23px;
            line-height: 1.4;
            margin: 14px 0 12px;
        }
        .feature-highlight p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .check-list {
            list-style: none;
            padding: 0;
            display: grid;
            gap: 10px;
        }
        .check-list li {
            display: flex;
            gap: 10px;
            font-size: 15px;
        }
        .check-icon {
            color: var(--accent);
            flex-shrink: 0;
            font-weight: 700;
        }
        .feature-items {
            display: grid;
            gap: 24px;
        }
        .feature-item {
            padding: 26px 28px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            border-radius: var(--radius-lg);
        }
        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--brand-soft);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .feature-item h3 {
            font-size: 17px;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* Compare */
        .compare-wrap {
            display: grid;
            grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
            gap: 28px;
            align-items: start;
        }
        .compare-table {
            padding: 12px;
            overflow: hidden;
        }
        .compare-table-inner {
            overflow-x: auto;
            border-radius: 12px;
        }
        .compare-table table {
            min-width: 680px;
        }
        .compare-table th,
        .compare-table td {
            padding: 15px 16px;
            text-align: left;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
            vertical-align: top;
        }
        .compare-table thead th {
            background: var(--brand-soft);
            color: var(--brand-dark);
            font-weight: 600;
            line-height: 1.4;
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover td {
            background: #F8FBFD;
        }
        .compare-label {
            color: var(--text-main);
            font-weight: 600;
            width: 110px;
        }
        .compare-note {
            padding: 30px;
            border-top: 4px solid var(--accent);
        }
        .compare-note h3 {
            font-size: 21px;
            margin: 14px 0 12px;
            line-height: 1.4;
        }
        .compare-note p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 20px;
        }
        .compare-note ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: grid;
            gap: 10px;
        }
        .compare-note li {
            display: flex;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .compare-note li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
        }

        /* CTA */
        .cta-area {
            background: #E9F2F8;
        }
        .cta-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 42px;
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 44px 48px;
        }
        .cta-copy h2 {
            font-size: 32px;
            line-height: 1.3;
            margin: 12px 0 14px;
        }
        .cta-copy p {
            color: var(--text-secondary);
        }
        .cta-copy .note-list {
            list-style: none;
            padding: 0;
            margin: 22px 0 0;
            display: grid;
            gap: 12px;
        }
        .cta-copy .note-list li {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .cta-copy .note-list li::before {
            content: '•';
            color: var(--brand);
            font-weight: 700;
        }
        .cta-form-panel {
            background: #F7FAFC;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .required {
            color: #C64B4B;
        }
        .form-control {
            display: block;
            width: 100%;
            height: 46px;
            padding: 0 14px;
            font-size: 15px;
            color: var(--text-main);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }
        .form-control:hover {
            border-color: #AFC9DF;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(42, 110, 163, .12);
            background: #fff;
        }
        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='10' viewBox='0 0 14 10' fill='none'%3E%3Cpath d='M1 1l6 7 6-7' stroke='%232A6EA3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 42px;
        }
        .form-note {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 12px;
            line-height: 1.7;
        }
        .form-success {
            display: none;
            background: rgba(11, 122, 117, .09);
            color: #07625D;
            font-size: 14px;
            font-weight: 500;
            border-radius: 10px;
            padding: 14px 16px;
            margin-top: 16px;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 880px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 14px;
            border-radius: var(--radius-md);
            background: #fff;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: #C7DAEA;
        }
        .faq-item.open {
            border-color: #B9D4E8;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            width: 100%;
            text-align: left;
            padding: 21px 24px;
            font-weight: 600;
            font-size: 16px;
            line-height: 1.5;
            color: var(--text-main);
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: #F7FAFC;
        }
        .faq-icon {
            position: relative;
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border: 1px solid var(--border);
            border-radius: 50%;
            background: #fff;
            transition: transform .3s ease, background .3s ease, border-color .3s ease;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
            transform: translate(-50%, -50%);
            transition: transform .3s ease;
        }
        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }
        .faq-item.open .faq-icon {
            background: var(--brand);
            border-color: var(--brand);
        }
        .faq-item.open .faq-icon::before,
        .faq-item.open .faq-icon::after {
            background: #fff;
        }
        .faq-item.open .faq-icon::after {
            transform: translate(-50%, -50%) rotate(0deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 520px;
        }
        .faq-answer-inner {
            padding: 0 26px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid #EEF3F7;
            padding-top: 18px;
            margin: 0 24px 0;
            border-top: none;
            margin: 0;
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 24px;
        }
        .news-card {
            display: flex;
            flex-direction: column;
            padding: 26px;
            border-radius: var(--radius-lg);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #B4CFE5;
        }
        .news-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 12px;
            margin-bottom: 16px;
        }
        .news-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--brand);
            background: var(--brand-soft);
            border-radius: 999px;
            padding: 4px 12px;
        }
        .news-date {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .news-title {
            font-size: 18px;
            line-height: 1.45;
            margin-bottom: 12px;
        }
        .news-title a {
            color: var(--text-main);
            transition: color var(--transition);
        }
        .news-title a:hover {
            color: var(--brand);
        }
        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 18px;
        }
        .news-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: flex-end;
        }
        .empty-state {
            grid-column: 1 / -1;
            background: #fff;
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 24px;
            text-align: center;
            color: #7B8DA0;
            font-size: 15px;
        }

        /* Footer */
        .site-footer {
            background: #FBFCFE;
            border-top: 1px solid var(--border);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 44px;
            padding: 54px 0 40px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 12px;
        }
        .footer-brand-description {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 360px;
            line-height: 1.8;
        }
        .footer-nav h4 {
            font-size: 16px;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .footer-nav a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-nav a:hover {
            color: var(--brand);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
        }
        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-secondary);
        }

        @media (max-width: 1023px) {
            .section {
                padding: 76px 0;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                justify-content: center;
            }
            .hero-image-card {
                max-width: 520px;
            }
            .feature-layout {
                grid-template-columns: 1fr;
            }
            .compare-wrap {
                grid-template-columns: 1fr;
            }
            .cta-card {
                grid-template-columns: 1fr;
                padding: 36px;
            }
            .news-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            body {
                font-size: 15px;
            }
            .container {
                padding-inline: 16px;
            }
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 27px;
            }
            .section-head {
                margin-bottom: 36px;
            }

            .nav-card {
                grid-template-columns: 1fr auto;
                gap: 12px;
                padding: 10px 12px 10px 16px;
                border-radius: 18px;
            }
            .nav-menu {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 18px;
                box-shadow: var(--shadow-lg);
                padding: 12px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                justify-content: center;
                padding: 12px 16px;
            }
            .nav-toggle {
                display: flex;
                justify-self: end;
            }
            .nav-desktop-cta {
                display: none;
            }
            .nav-mobile-cta {
                margin-top: 8px;
            }
            .brand-logo {
                font-size: 16px;
            }
            .brand-logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 9px;
            }

            .hero {
                min-height: auto;
                padding: 64px 0 60px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-text {
                font-size: 16px;
            }
            .hero-points {
                gap: 10px 16px;
            }
            .hero-badge-card {
                left: 8px;
                bottom: 12px;
                padding: 12px 14px;
            }
            .timeline-item {
                padding-left: 68px;
            }
            .timeline-wrap::before {
                left: 23px;
            }
            .timeline-node {
                width: 48px;
                height: 48px;
            }
            .timeline-card {
                padding: 22px;
            }

            .feature-highlight-body,
            .compare-note {
                padding: 22px;
            }
            .feature-item {
                padding: 22px;
                flex-direction: column;
                gap: 12px;
            }
            .compare-table {
                padding: 4px;
            }
            .compare-table-inner {
                overflow: visible;
            }
            .compare-table table,
            .compare-table tbody,
            .compare-table tr,
            .compare-table td {
                display: block;
                width: 100%;
            }
            .compare-table thead {
                display: none;
            }
            .compare-table table {
                min-width: 0;
                width: 100%;
            }
            .compare-table tbody {
                display: grid;
                gap: 10px;
            }
            .compare-table tr {
                border: 1px solid var(--border);
                border-radius: 12px;
                padding: 6px 12px;
            }
            .compare-table td {
                display: flex;
                align-items: flex-start;
                gap: 14px;
                padding: 8px 4px;
                border-bottom: 1px solid #EDF2F6;
                font-size: 13px;
            }
            .compare-table td:last-child {
                border-bottom: none;
            }
            .compare-table td::before {
                content: attr(data-label);
                width: 86px;
                flex-shrink: 0;
                font-weight: 600;
                color: var(--text-main);
            }
            .compare-table td.compare-label {
                width: auto;
                border-bottom: none;
                font-weight: 700;
            }
            .compare-table td.compare-label::before {
                display: none;
            }
            .compare-table tbody tr:first-child td.compare-label {
                padding-bottom: 0;
            }

            .cta-card {
                padding: 26px 22px;
                border-radius: 20px;
            }
            .cta-copy h2 {
                font-size: 27px;
            }
            .cta-form-panel {
                padding: 22px;
            }
            .form-control {
                font-size: 15px;
            }
            .caution-note br {
                display: none;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                padding: 17px 16px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 16px 18px;
                font-size: 14px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 44px 0 32px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: article */
:root {
            --color-bg: #F4F7FA;
            --color-surface: #FFFFFF;
            --color-brand: #2770B0;
            --color-brand-deep: #1A4C7A;
            --color-brand-soft: #E7F0F8;
            --color-accent: #0F8A83;
            --color-text: #162B3E;
            --color-text-secondary: #5A6E82;
            --color-border: #DCE6EF;
            --radius-xl: 24px;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 12px 30px rgba(29, 69, 108, 0.08);
            --shadow-hover: 0 18px 40px rgba(29, 69, 108, 0.14);
            --shadow-nav: 0 12px 34px rgba(29, 69, 108, 0.10);
            --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--color-bg);
            color: var(--color-text);
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        h1, h2, h3, h4 {
            line-height: 1.3;
            margin: 0;
            letter-spacing: -0.02em;
            font-weight: 800;
        }

        p {
            margin: 0;
        }

        ul, ol {
            margin: 0;
            padding: 0;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(42, 110, 163, 0.4);
            outline-offset: 2px;
        }

        .skip-link {
            position: absolute;
            left: -9999px;
            top: 12px;
            z-index: 200;
            background: var(--color-brand-deep);
            color: #fff;
            padding: 10px 18px;
            border-radius: 10px;
        }

        .skip-link:focus {
            left: 12px;
        }

        section[id],
        div[id] {
            scroll-margin-top: 110px;
        }

        .container {
            width: min(1200px, 92%);
            margin-inline: auto;
        }

        @media (max-width: 640px) {
            .container {
                width: calc(100% - 32px);
            }
        }

        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
            text-align: center;
        }

        .btn-primary {
            background: var(--color-brand);
            color: #fff;
            box-shadow: 0 8px 20px rgba(39, 112, 176, 0.28);
        }

        .btn-primary:hover {
            background: var(--color-brand-deep);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 12px 26px rgba(26, 76, 122, 0.3);
        }

        .btn-secondary {
            background: #fff;
            color: var(--color-brand-deep);
            border-color: #BFD3E5;
        }

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

        .btn-sm {
            padding: 10px 16px;
            font-size: 14px;
            border-radius: 10px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 90;
            padding-top: 10px;
            padding-bottom: 8px;
        }

        .nav-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: rgba(255, 255, 255, 0.96);
            border: 1px solid #E1EAF2;
            border-radius: 20px;
            box-shadow: var(--shadow-nav);
            padding: 12px 14px 12px 18px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-brand-deep);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .brand-logo:hover {
            color: var(--color-brand-deep);
        }

        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 14px;
            background: linear-gradient(140deg, #357FBF, #1A4C7A);
            color: #fff;
            flex: 0 0 auto;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 14px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            background: var(--color-brand-soft);
            color: var(--color-brand-deep);
            text-decoration: none;
        }

        .nav-link.active {
            background: var(--color-brand-soft);
            color: var(--color-brand-deep);
            font-weight: 700;
            box-shadow: inset 0 -2px 0 var(--color-brand);
        }

        .nav-desktop-cta {
            flex: 0 0 auto;
            margin-left: 6px;
        }

        .nav-mobile-cta {
            display: none;
        }

        .nav-toggle {
            display: none;
            border: none;
            background: var(--color-brand-soft);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            margin-left: auto;
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-brand-deep);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.2s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 900px) {
            .nav-card {
                flex-wrap: wrap;
                position: relative;
            }

            .nav-desktop-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-mobile-cta {
                display: inline-flex;
                width: 100%;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: #fff;
                border: 1px solid #E1EAF2;
                border-radius: 20px;
                box-shadow: var(--shadow-hover);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                margin: 0;
            }

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

            .nav-link {
                justify-content: flex-start;
                padding: 12px 14px;
            }
        }

        .article-page-hero {
            padding: 46px 0 36px;
            border-bottom: 1px solid #E2EAF2;
            background:
                linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(230, 240, 248, 0.88) 100%),
                url("/assets/images/backpic/back-1.png") center top / cover no-repeat;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--color-brand-deep);
        }

        .breadcrumb .sep {
            color: #9BB3C3;
        }

        .breadcrumb .current {
            color: var(--color-brand-deep);
            font-weight: 600;
        }

        .article-intro-wrap {
            max-width: 920px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            border: 1px solid #E3EBF2;
            border-radius: 28px;
            box-shadow: var(--shadow-card);
            padding: clamp(30px, 6vw, 58px) clamp(22px, 5vw, 56px);
            text-align: center;
        }

        .article-intro-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
        }

        .article-intro-meta .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-brand-soft);
            color: var(--color-brand-deep);
            border-radius: 999px;
            padding: 5px 13px;
            font-size: 13px;
            font-weight: 600;
        }

        .article-intro-meta .time {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-text-secondary);
            font-size: 13px;
            background: #F0F4F8;
            padding: 5px 13px;
            border-radius: 999px;
        }

        .article-intro-wrap h1 {
            font-size: clamp(32px, 5.4vw, 52px);
            line-height: 1.25;
            color: var(--color-text);
            max-width: 820px;
            margin: 0 auto;
        }

        .article-lead {
            color: #40566C;
            font-size: 16px;
            line-height: 1.8;
            max-width: 720px;
            margin: 18px auto 0;
            text-align: left;
        }

        @media (max-width: 640px) {
            .article-page-hero {
                padding: 28px 0 24px;
            }

            .article-intro-wrap {
                border-radius: 20px;
                padding-top: 28px;
                padding-bottom: 28px;
            }

            .article-intro-meta {
                gap: 6px;
            }

            .article-intro-wrap h1 {
                font-size: 28px;
            }
        }

        .article-read-section {
            padding: 52px 0 30px;
        }

        .article-paper {
            max-width: 900px;
            margin: 0 auto;
            background: var(--color-surface);
            border: 1px solid #E1EAF2;
            border-radius: 30px;
            box-shadow: var(--shadow-card);
            padding: clamp(28px, 7vw, 76px) clamp(18px, 7vw, 74px);
        }

        .article-content-area {
            max-width: 760px;
            margin-inline: auto;
            color: #20384D;
            font-size: 16px;
            line-height: 1.95;
            word-break: break-word;
        }

        .article-content-area > * {
            margin: 0 0 1.25em;
        }

        .article-content-area > *:last-child {
            margin-bottom: 0;
        }

        .article-content-area h2 {
            font-size: clamp(24px, 3.6vw, 33px);
            line-height: 1.4;
            color: var(--color-brand-deep);
            margin: 1.6em 0 0.7em;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
        }

        .article-content-area h3 {
            font-size: 22px;
            line-height: 1.45;
            color: #1D425F;
            margin: 1.5em 0 0.65em;
        }

        .article-content-area p {
            text-align: justify;
        }

        .article-content-area ul,
        .article-content-area ol {
            padding-left: 1.5em;
            margin-top: 0.6em;
            margin-bottom: 1.3em;
        }

        .article-content-area li {
            margin-bottom: 0.5em;
            padding-left: 0.15em;
        }

        .article-content-area blockquote {
            margin: 1.6em 0;
            background: #EBF3F9;
            border-left: 4px solid var(--color-brand);
            border-radius: 0 16px 16px 0;
            padding: 18px 22px;
            color: #284864;
        }

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

        .article-content-area a {
            color: var(--color-brand);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-content-area a:hover {
            color: var(--color-brand-deep);
        }

        .article-content-area img {
            border-radius: 18px;
            margin: 1.6em auto;
            box-shadow: 0 14px 34px rgba(28, 67, 102, 0.12);
        }

        .article-content-area pre {
            background: #10283C;
            color: #EAF2FA;
            padding: 20px 22px;
            border-radius: 16px;
            overflow-x: auto;
            line-height: 1.7;
            font-size: 14px;
        }

        .article-content-area code {
            font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
        }

        .article-content-area table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 14px;
            overflow: hidden;
            margin: 1.6em 0;
            font-size: 15px;
        }

        .article-content-area th,
        .article-content-area td {
            border: 1px solid #D7E2EC;
            padding: 12px 14px;
            text-align: left;
        }

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

        .article-content-area hr {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: 2.2em 0;
        }

        .article-foot-meta {
            max-width: 760px;
            margin: 36px auto 0;
            padding-top: 22px;
            border-top: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .article-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .article-tag {
            display: inline-flex;
            background: #F0F5FA;
            color: #406077;
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 600;
        }

        .article-source-note {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        @media (max-width: 640px) {
            .article-foot-meta {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        .empty-article-result {
            max-width: 720px;
            margin: 64px auto;
            background: #fff;
            border: 1px solid #E1EAF2;
            border-radius: 28px;
            box-shadow: var(--shadow-card);
            padding: 56px 32px;
            text-align: center;
        }

        .empty-article-result .empty-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 58px;
            height: 58px;
            border-radius: 18px;
            background: var(--color-brand-soft);
            color: var(--color-brand);
            font-size: 28px;
            margin-bottom: 18px;
        }

        .empty-article-result h2 {
            font-size: 28px;
            color: var(--color-text);
            margin-bottom: 24px;
        }

        @media (max-width: 640px) {
            .empty-article-result {
                margin: 32px auto;
                padding: 42px 20px;
            }

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

        .extend-section {
            background: #EDF3F8;
            padding: 74px 0 70px;
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 30px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .section-head h2 {
            font-size: clamp(28px, 4.2vw, 38px);
            color: var(--color-text);
            margin-top: 10px;
        }

        .section-head .section-desc {
            margin-top: 14px;
            color: var(--color-text-secondary);
            font-size: 16px;
        }

        .article-prevnext {
            max-width: 900px;
            margin: 22px auto 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .post-direction {
            background: #fff;
            border: 1px solid #DFE9F1;
            border-radius: 18px;
            padding: 18px 20px;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .post-direction:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: #BBD4E8;
        }

        .post-direction .direction-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .post-direction strong {
            color: var(--color-brand-deep);
            font-size: 16px;
            font-weight: 700;
        }

        .post-direction.next {
            text-align: right;
        }

        .post-direction.next .direction-label {
            justify-content: flex-end;
        }

        @media (max-width: 640px) {
            .article-prevnext {
                grid-template-columns: 1fr;
            }

            .post-direction,
            .post-direction.next {
                text-align: left;
            }

            .post-direction.next .direction-label {
                justify-content: flex-start;
            }
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .related-card {
            background: #fff;
            border: 1px solid #DFE9F1;
            border-radius: 22px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .related-card .thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #DCE9F3;
            position: relative;
        }

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

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

        .related-card .card-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .related-card h3 {
            color: var(--color-text);
            font-size: 19px;
            line-height: 1.4;
        }

        .related-card p {
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.8;
            flex: 1;
        }

        .card-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-brand);
            font-size: 14px;
            font-weight: 700;
            margin-top: 8px;
        }

        .card-more i {
            transition: transform 0.2s ease;
        }

        .related-card:hover .card-more i {
            transform: translateX(4px);
        }

        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 18px;
                margin-top: 24px;
            }
        }

        .faq-section {
            padding: 78px 0 74px;
            background: #fff;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.6fr;
            gap: 46px;
            align-items: start;
        }

        .faq-intro {
            position: sticky;
            top: 110px;
        }

        .faq-intro h2 {
            font-size: clamp(28px, 4vw, 38px);
            color: var(--color-text);
        }

        .faq-intro p {
            color: var(--color-text-secondary);
            margin-top: 16px;
        }

        .faq-intro .faq-note {
            margin-top: 24px;
            background: var(--color-brand-soft);
            border-radius: 16px;
            padding: 18px;
            color: var(--color-brand-deep);
            font-size: 14px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .accordion-item {
            background: #F8FAFC;
            border: 1px solid #E1EAF2;
            border-radius: 18px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            overflow: hidden;
        }

        .accordion-item.open {
            border-color: #B7D0E5;
            background: #fff;
            box-shadow: var(--shadow-card);
        }

        .faq-toggle {
            width: 100%;
            border: none;
            background: none;
            padding: 20px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            text-align: left;
            color: var(--color-text);
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
        }

        .faq-toggle .acc-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid var(--color-brand);
            color: var(--color-brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-style: normal;
            flex: 0 0 auto;
            transition: transform 0.25s ease, background 0.2s ease;
        }

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

        .accordion-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .accordion-content {
            padding: 0 22px 22px 62px;
            color: #40566C;
            font-size: 15px;
            line-height: 1.9;
        }

        @media (max-width: 900px) {
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .faq-intro {
                position: static;
            }
        }

        @media (max-width: 520px) {
            .faq-toggle {
                font-size: 15px;
                padding: 16px;
            }

            .accordion-content {
                padding: 0 16px 18px 46px;
            }
        }

        .support-cta-section {
            padding: 70px 0 80px;
        }

        .support-cta-panel {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(232, 242, 250, 0.98)), url("/assets/images/backpic/back-2.webp") center right / cover no-repeat;
            border: 1px solid #DFE9F1;
            border-radius: 30px;
            box-shadow: var(--shadow-card);
            padding: clamp(34px, 6vw, 62px);
            display: grid;
            grid-template-columns: 1.3fr 0.9fr;
            gap: 40px;
            align-items: center;
            overflow: hidden;
        }

        .support-cta-panel .cta-steps {
            margin-top: 22px;
            display: flex;
            flex-direction: column;
            gap: 11px;
        }

        .cta-steps li {
            list-style: none;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: #334E65;
            font-size: 15px;
        }

        .cta-steps li i {
            color: var(--color-accent);
            margin-top: 5px;
        }

        .cta-panel-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cta-panel-actions .help-panel {
            background: #fff;
            border: 1px solid #DCE6EF;
            border-radius: 18px;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(29, 69, 108, 0.05);
        }

        .help-panel i {
            color: var(--color-brand);
            font-size: 24px;
            margin-bottom: 10px;
        }

        .help-panel h3 {
            font-size: 18px;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .help-panel p {
            color: var(--color-text-secondary);
            font-size: 14px;
        }

        @media (max-width: 900px) {
            .support-cta-panel {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 640px) {
            .support-cta-panel {
                border-radius: 22px;
                padding: 28px 20px;
            }

            .cta-panel-actions .btn-primary,
            .cta-panel-actions .btn-secondary {
                width: 100%;
            }
        }

        .site-footer {
            background: #EAF1F7;
            border-top: 1px solid #DCE6EF;
            padding: 60px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 0.8fr 0.9fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .brand-logo {
            font-size: 18px;
            margin-bottom: 12px;
        }

        .footer-brand-description {
            color: #50677D;
            font-size: 14px;
            line-height: 1.9;
            max-width: 320px;
            margin-top: 14px;
        }

        .footer-nav h4 {
            font-size: 15px;
            color: var(--color-text);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-nav a {
            display: block;
            color: var(--color-text-secondary);
            font-size: 14px;
            padding: 6px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-nav a:hover {
            color: var(--color-brand-deep);
            padding-left: 4px;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid #D0DDE8;
            padding: 22px 0;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .footer-bottom-inner p {
            margin: 0;
        }

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

            .footer-brand-description {
                max-width: 100%;
            }
        }

        @media (max-width: 600px) {
            .footer-bottom-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --page-bg: #F5F8FB;
            --card: #ffffff;
            --brand: #2770B0;
            --brand-deep: #1A4C7A;
            --brand-light: #E7F0F8;
            --sea: #0F8A83;
            --ink: #162B3E;
            --muted: #5A6E82;
            --line: #DCE6EF;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-card: 0 10px 30px rgba(23, 72, 112, .06);
            --shadow-hover: 0 22px 45px rgba(23, 72, 112, .12);
            --transition: .25s ease;
        }
        *, *::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(--page-bg);
            color: var(--ink);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; }
        button, input, textarea, select { font: inherit; }
        a, button { transition: var(--transition); }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
            outline: 3px solid rgba(39, 112, 176, .35);
            outline-offset: 2px;
        }
        .container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
        .brand-logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--ink); white-space: nowrap; }
        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--brand-light);
            color: var(--brand);
            flex-shrink: 0;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0 4px;
            background: rgba(245, 248, 251, .88);
            backdrop-filter: blur(6px);
        }
        .nav-card {
            display: flex;
            align-items: center;
            gap: 22px;
            background: var(--card);
            padding: 12px 18px;
            border-radius: 22px;
            border: 1px solid rgba(220, 230, 239, .8);
            box-shadow: 0 8px 24px rgba(23, 72, 112, .07);
        }
        .nav-menu { display: flex; align-items: center; gap: 6px; margin-left: auto; }
        .nav-link {
            padding: 9px 15px;
            border-radius: 11px;
            font-size: 15px;
            font-weight: 600;
            color: var(--muted);
            white-space: nowrap;
        }
        .nav-link:hover { background: var(--brand-light); color: var(--brand-deep); }
        .nav-link.active { background: var(--brand-light); color: var(--brand); }
        .nav-link:active { transform: translateY(1px); }
        .btn-primary, .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 12px;
            padding: 11px 22px;
            border: 1px solid transparent;
            cursor: pointer;
            font-size: 15px;
        }
        .btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 18px rgba(39, 112, 176, .18); }
        .btn-primary:hover { background: var(--brand-deep); transform: translateY(-1px); box-shadow: 0 12px 24px rgba(26, 76, 122, .2); }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline { background: #fff; border-color: var(--brand); color: var(--brand); }
        .btn-outline:hover { background: var(--brand-light); border-color: var(--brand-deep); color: var(--brand-deep); transform: translateY(-1px); }
        .btn-outline:active { transform: translateY(0); }
        .btn-sm { padding: 8px 16px; font-size: 14px; border-radius: 10px; }
        .btn-block { display: flex; width: 100%; }
        .nav-desktop-cta { margin-left: 10px; }
        .nav-mobile-cta { display: none; width: 100%; margin-top: 10px; }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 11px;
            border: 1px solid var(--line);
            background: var(--card);
            color: var(--ink);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            margin-left: auto;
        }
        .nav-toggle span { display: block; width: 17px; height: 2px; background: var(--brand); border-radius: 3px; }

        .page-hero {
            position: relative;
            padding: 78px 0 84px;
            background: linear-gradient(110deg, rgba(245, 248, 251, .97) 15%, rgba(231, 240, 248, .92) 60%, rgba(220, 230, 239, .88)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
        }
        .page-hero .hero-inner { position: relative; z-index: 2; max-width: 880px; }
        .hero-pill { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
        .pill-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--card);
            border: 1px solid var(--line);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-deep);
            box-shadow: 0 4px 12px rgba(23, 72, 112, .06);
        }
        .pill-seagreen {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(15, 138, 131, .12);
            border: 1px solid rgba(15, 138, 131, .2);
            color: var(--sea);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }
        .page-hero h1 {
            font-size: clamp(32px, 5vw, 50px);
            line-height: 1.2;
            letter-spacing: -1px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 18px;
        }
        .page-hero-lead {
            font-size: 17px;
            color: #42586C;
            line-height: 2;
            max-width: 800px;
            margin-bottom: 30px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }
        .hero-meta-item {
            background: rgba(255, 255, 255, .78);
            border: 1px solid rgba(220, 230, 239, .8);
            border-radius: 12px;
            padding: 10px 16px;
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }
        .hero-meta-item strong { color: var(--ink); font-weight: 700; }

        .section-block { padding: 84px 0; }
        .section-white { background: var(--card); border-top: 1px solid rgba(220, 230, 239, .55); border-bottom: 1px solid rgba(220, 230, 239, .55); }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .06em;
            color: var(--sea);
            margin-bottom: 10px;
        }
        .eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--sea); border-radius: 2px; }
        .section-title {
            font-size: clamp(26px, 3.2vw, 36px);
            line-height: 1.35;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.5px;
            margin-bottom: 14px;
        }
        .section-lead { color: var(--muted); font-size: 16px; line-height: 1.9; max-width: 760px; }

        .chapter-shell {
            display: grid;
            grid-template-columns: 280px minmax(0, 1fr);
            gap: 46px;
            align-items: start;
        }
        .chapter-nav { position: sticky; top: 124px; align-self: start; }
        .side-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
        }
        .side-card-note {
            background: var(--brand-light);
            border-radius: 14px;
            padding: 16px;
            margin-top: 16px;
            color: var(--brand-deep);
            font-size: 13px;
            line-height: 1.8;
        }
        .side-title { font-size: 14px; font-weight: 800; color: var(--ink); padding: 0 6px 10px; display: flex; align-items: center; gap: 8px; }
        .side-title::before { content: ""; width: 16px; height: 2px; background: var(--brand); border-radius: 2px; }
        .side-index { list-style: none; display: grid; gap: 4px; }
        .side-index a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding: 9px 12px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            background: transparent;
        }
        .side-index a:hover { background: var(--brand-light); color: var(--brand-deep); }
        .side-index a.is-active { background: var(--brand-light); color: var(--brand); }
        .side-index span { font-size: 12px; opacity: .7; font-weight: 700; }
        .side-btn { margin-top: 18px; }

        .chapter-block { scroll-margin-top: 130px; padding: 12px 0 46px; }
        .chapter-block h2 {
            font-size: clamp(21px, 2.4vw, 28px);
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 8px;
            letter-spacing: -.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .chapter-block h2 .chapter-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 14px;
            font-weight: 800;
            min-width: 36px;
            height: 36px;
            border-radius: 11px;
            padding: 0 8px;
        }
        .chapter-block > p.ch-desc { color: var(--muted); margin-bottom: 22px; max-width: 780px; }

        .content-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
        }
        .ch-double { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: start; }
        .tip-card {
            background: var(--brand-light);
            border-radius: var(--radius-lg);
            padding: 26px;
            border: 1px solid rgba(39, 112, 176, .14);
        }
        .tip-card h3 { font-size: 18px; font-weight: 800; color: var(--brand-deep); margin-bottom: 12px; }
        .tip-card p { font-size: 14px; color: #3B546B; line-height: 1.9; }
        .tip-card a { color: var(--brand); font-weight: 700; }
        .check-list { list-style: none; display: grid; gap: 14px; }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: 15px 16px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--ink);
        }
        .check-list svg { flex-shrink: 0; margin-top: 3px; color: var(--sea); }

        .route-steps { list-style: none; counter-reset: route; display: grid; gap: 16px; }
        .route-steps li {
            position: relative;
            counter-increment: route;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 18px 20px 18px 72px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .route-steps li:hover { box-shadow: var(--shadow-hover); border-color: rgba(39, 112, 176, .3); transform: translateY(-1px); }
        .route-steps li::before {
            content: counter(route);
            position: absolute;
            left: 22px;
            top: 22px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--brand-light);
            color: var(--brand-deep);
            font-weight: 800;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .route-steps strong { color: var(--brand-deep); font-weight: 800; display: block; margin-bottom: 4px; }
        .route-steps span { color: var(--muted); font-size: 14px; line-height: 1.8; }

        .issue-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
        .issue-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 21px 22px;
            box-shadow: var(--shadow-card);
            display: grid;
            gap: 12px;
        }
        .issue-card h3 { font-size: 16px; font-weight: 800; color: var(--ink); display: flex; align-items: center; gap: 8px; }
        .issue-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--brand-light);
            color: var(--brand);
            flex-shrink: 0;
        }
        .issue-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
        .issue-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--sea);
            background: rgba(15, 138, 131, .1);
            padding: 4px 10px;
            border-radius: 999px;
            width: fit-content;
        }

        .short-list { list-style: none; display: grid; gap: 12px; }
        .short-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: 14px 16px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--ink);
        }
        .short-list svg { flex-shrink: 0; margin-top: 4px; color: var(--brand); }

        .scenes-card {
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            background: #fff;
        }
        .scenes-media { position: relative; min-height: 100%; }
        .scenes-media img { width: 100%; height: 100%; object-fit: cover; }
        .scenes-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(22, 43, 62, 0.1), rgba(22, 43, 62, 0));
            pointer-events: none;
        }
        .scene-list { list-style: none; display: grid; gap: 16px; margin-top: 24px; }
        .scene-list li {
            display: flex;
            gap: 14px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 17px 18px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .scene-list li:hover { box-shadow: var(--shadow-hover); border-color: rgba(39, 112, 176, .25); }
        .scene-list svg { width: 22px; height: 22px; color: var(--brand); flex-shrink: 0; margin-top: 2px; }
        .scene-list span { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.7; }
        .scene-list small { display: block; color: var(--muted); font-size: 13px; font-weight: 400; margin-top: 4px; line-height: 1.7; }

        .compare-grid { display: grid; gap: 14px; }
        .compare-row {
            display: grid;
            grid-template-columns: .7fr 1fr 1.4fr;
            gap: 18px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .compare-row:hover { box-shadow: var(--shadow-hover); border-color: rgba(39, 112, 176, .25); }
        .compare-stage { font-weight: 800; color: var(--brand); display: flex; align-items: center; gap: 10px; }
        .compare-stage i {
            font-style: normal;
            font-size: 12px;
            opacity: .65;
        }
        .compare-point { font-weight: 700; color: var(--ink); font-size: 15px; line-height: 1.7; }
        .compare-action { color: var(--muted); font-size: 14px; line-height: 1.8; }

        .faq-list { max-width: 900px; }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            margin-bottom: 14px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.faq-open { border-color: rgba(39, 112, 176, .35); box-shadow: var(--shadow-hover); }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            text-align: left;
            background: none;
            border: 0;
            padding: 19px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.6;
        }
        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 50%;
            font-size: 20px;
            font-weight: 500;
            flex-shrink: 0;
            transition: .3s ease;
        }
        .faq-open .faq-icon { transform: rotate(180deg); background: var(--brand); color: #fff; }
        .faq-content { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
        .faq-a { padding: 0 24px 22px; border-top: 1px dashed var(--line); margin: 0 22px; }
        .faq-a p { padding-top: 14px; color: var(--muted); font-size: 15px; line-height: 1.95; }

        .contact-block {
            background: #fff;
            border-top: 1px solid var(--line);
        }
        .contact-inner {
            background: var(--brand-light);
            border: 1px solid rgba(39, 112, 176, .12);
            border-radius: 26px;
            padding: 42px;
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 34px;
            align-items: center;
        }
        .contact-inner h2 { font-size: clamp(23px, 3vw, 31px); font-weight: 800; color: var(--ink); line-height: 1.4; margin-bottom: 12px; }
        .contact-inner .desc { color: var(--muted); font-size: 15px; line-height: 1.9; margin-bottom: 18px; }
        .contact-points { list-style: none; display: grid; gap: 9px; margin-bottom: 24px; }
        .contact-points li { position: relative; padding-left: 24px; color: #395269; font-size: 14px; line-height: 1.8; }
        .contact-points li::before { content: "✓"; position: absolute; left: 0; color: var(--sea); font-weight: 800; }
        .contact-actions { display: flex; flex-wrap: wrap; gap: 13px; }
        .contact-support-card {
            background: rgba(255, 255, 255, .65);
            border: 1px solid rgba(255, 255, 255, .8);
            border-radius: 20px;
            padding: 22px;
            text-align: center;
        }
        .contact-support-card strong { display: block; font-size: 16px; color: var(--ink); margin-bottom: 6px; }
        .contact-support-card p { font-size: 13px; color: var(--muted); line-height: 1.8; margin-bottom: 12px; }
        .contact-support-card a { color: var(--brand); font-weight: 700; word-break: break-all; }

        .site-footer { background: #fff; border-top: 1px solid var(--line); padding: 54px 0 26px; }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr;
            gap: 38px;
            padding-bottom: 38px;
            border-bottom: 1px solid var(--line);
        }
        .footer-brand-description { color: var(--muted); font-size: 14px; line-height: 1.9; max-width: 480px; margin-top: 16px; }
        .footer-nav h4 { font-size: 14px; font-weight: 800; color: var(--ink); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
        .footer-nav h4::before { content: ""; width: 14px; height: 2px; background: var(--brand); border-radius: 2px; }
        .footer-nav a { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; line-height: 1.8; }
        .footer-nav a:hover { color: var(--brand); }
        .footer-bottom { padding-top: 22px; }
        .footer-bottom-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
        .footer-bottom-inner p { color: var(--muted); font-size: 13px; }

        @media (max-width: 1023px) {
            .nav-toggle { display: inline-flex; }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                padding-top: 12px;
                border-top: 1px solid var(--line);
                margin-left: 0;
            }
            .nav-menu.nav-open { display: flex; }
            .nav-desktop-cta { display: none; }
            .nav-mobile-cta { display: inline-flex; }
            .nav-link { padding: 12px 14px; text-align: left; }
            .chapter-shell { grid-template-columns: 1fr; gap: 26px; }
            .chapter-nav { position: static; }
            .side-card { display: none; }
            .compare-row { grid-template-columns: 1fr; gap: 8px; }
            .contact-inner { grid-template-columns: 1fr; padding: 30px 24px; }
            .footer-top { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 767px) {
            .page-hero { padding: 54px 0 60px; }
            .section-block { padding: 62px 0; }
            .ch-double { grid-template-columns: 1fr; }
            .issue-grid { grid-template-columns: 1fr; }
            .contact-inner { grid-template-columns: 1fr; padding: 26px 20px; }
            .footer-top { grid-template-columns: 1fr; }
            .footer-bottom-inner { flex-direction: column; }
            .page-hero .hero-meta { flex-direction: column; }
            .container { padding-left: 18px; padding-right: 18px; }
        }

/* roulang page: category2 */
:root {
  --bg: #F5F8FB;
  --card: #FFFFFF;
  --primary: #2770B0;
  --primary-dark: #1A4C7A;
  --primary-light: #E7F0F8;
  --accent: #0F8A83;
  --heading: #162B3E;
  --body: #3A4B5C;
  --muted: #5A6E82;
  --border: #DCE6EF;
  --shadow-card: 0 10px 30px rgba(27, 72, 113, 0.08);
  --shadow-hover: 0 18px 40px rgba(27, 72, 113, 0.13);
  --shadow-panel: 0 12px 28px rgba(27, 72, 113, 0.10);
  --r-lg: 24px;
  --r-md: 16px;
  --r-sm: 10px;
  --container: 1200px;
  --transition: all 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg);
  color: var(--body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  padding: 14px 0;
}

.nav-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(220, 230, 239, 0.9);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 12px 18px;
  transition: box-shadow .3s ease;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--heading);
  white-space: nowrap;
}

.brand-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  flex: 0 0 auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--body);
  border-radius: 12px;
  border: 1px solid transparent;
  transition: var(--transition);
}

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

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

a.brand-logo:focus-visible,
.nav-link:focus-visible,
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.nav-toggle:focus-visible {
  outline: 3px solid rgba(39, 112, 176, 0.35);
  outline-offset: 2px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(39, 112, 176, 0.18);
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 10px 24px rgba(26, 76, 122, 0.2);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #fff;
  color: var(--primary);
  border: 1px solid rgba(39, 112, 176, .35);
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  transition: var(--transition);
  cursor: pointer;
}

.btn-outline:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-primary.btn-sm,
.btn-outline.btn-sm {
  padding: 9px 16px;
  font-size: 0.9rem;
  border-radius: 10px;
}

.btn-block {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: var(--primary-light);
  border: 0;
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--primary-dark);
  border-radius: 2px;
}

.site-main {
  padding: 16px 0 40px;
}

.page-hero {
  position: relative;
  background-image: linear-gradient(90deg, rgba(245, 248, 251, 0.96) 0%, rgba(245, 248, 251, 0.88) 45%, rgba(231, 240, 248, 0.58) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center top;
  border-radius: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-panel);
  padding: clamp(36px, 6vw, 68px);
  overflow: hidden;
}

.page-hero-inner {
  max-width: 680px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-dark);
  background: rgba(255, 255, 255, .82);
  border: 1px solid rgba(39, 112, 176, 0.16);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 18px;
  letter-spacing: .04em;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--heading);
  font-weight: 800;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 1.06rem;
  color: var(--body);
  max-width: 640px;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.hero-meta span,
.hero-meta div {
  font-size: 0.88rem;
  color: var(--muted);
}

.hero-meta strong {
  color: var(--heading);
  font-weight: 600;
  margin-right: 5px;
}

.page-section {
  padding: clamp(56px, 8vw, 96px) 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-kicker {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.4;
  color: var(--heading);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.section-intro {
  color: var(--muted);
  font-size: 1rem;
}

.steps-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.step-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px 22px 24px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
}

.step-item:hover {
  border-color: rgba(39, 112, 176, 0.35);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.step-number {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 14px;
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 16px;
}

.step-label {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 6px;
}

.step-item h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 8px;
  line-height: 1.5;
}

.step-item p {
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.7;
}

.layout-side {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 36px;
  align-items: start;
}

.toc-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 24px;
  position: sticky;
  top: 100px;
}

.toc-card-header {
  font-size: 1rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.toc-list {
  list-style: none;
  display: grid;
  gap: 8px;
}

.toc-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--body);
  font-size: 0.94rem;
  line-height: 1.5;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: var(--transition);
}

.toc-list a::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--primary-light);
  border: 1px solid var(--primary);
  border-radius: 50%;
  transition: var(--transition);
}

.toc-list a:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.toc-list a.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

.toc-list a.active::before {
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(39, 112, 176, 0.14);
}

.panel-block {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 30px;
  margin-bottom: 20px;
  transition: var(--transition);
}

.panel-block:hover {
  border-color: rgba(39, 112, 176, 0.3);
  box-shadow: var(--shadow-hover);
}

.panel-block h3 {
  font-size: 1.3rem;
  color: var(--heading);
  font-weight: 750;
  margin-bottom: 12px;
}

.panel-block p {
  color: var(--body);
  margin-bottom: 16px;
}

.rich-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.rich-list li {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.75;
  color: var(--body);
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid rgba(220, 230, 239, 0.7);
  border-radius: 14px;
}

.rich-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 12px;
  flex: 0 0 auto;
}

.compare-wrap {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.compare-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 24px;
  overflow: hidden;
}

.compare-table {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fff;
  overflow: hidden;
}

.compare-row {
  display: grid;
  grid-template-columns: 170px 1fr 1fr;
}

.compare-cell {
  padding: 18px 16px;
  font-size: 0.92rem;
  line-height: 1.75;
  border-top: 1px solid var(--border);
}

.compare-row:first-child .compare-cell {
  background: var(--primary-light);
  border-top: none;
  font-weight: 700;
  color: var(--heading);
}

.compare-cell + .compare-cell {
  border-left: 1px solid var(--border);
}

.compare-item-title {
  color: var(--heading);
  font-weight: 700;
}

.compare-strong {
  color: var(--heading);
}

.place-card {
  background: #fff;
  border: 2px solid rgba(39, 112, 176, 0.35);
  border-radius: 20px;
  box-shadow: var(--shadow-panel);
  padding: 28px;
  position: relative;
}

.place-tag {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
}

.place-card h3 {
  font-size: 1.2rem;
  color: var(--heading);
  margin-bottom: 10px;
}

.place-card p {
  color: var(--muted);
  margin-bottom: 14px;
}

.place-list {
  list-style: none;
  margin-bottom: 20px;
  display: grid;
  gap: 10px;
}

.place-list li {
  position: relative;
  padding-left: 22px;
  line-height: 1.7;
  color: var(--body);
}

.place-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

.split-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.split-media {
  min-height: 320px;
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-content {
  padding: clamp(28px, 4vw, 54px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-content h3 {
  font-size: 1.55rem;
  line-height: 1.4;
  color: var(--heading);
  font-weight: 750;
  margin-bottom: 14px;
}

.split-content p {
  color: var(--muted);
  margin-bottom: 18px;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--body);
  line-height: 1.75;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  width: 12px;
  height: 6px;
  background: transparent;
  border-left: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
  transform: rotate(-45deg);
}

.faq-section {
  background: linear-gradient(180deg, rgba(231, 240, 248, 0.35) 0%, rgba(245, 248, 251, 0) 100%);
}

.faq-list {
  max-width: 900px;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  padding: 0;
}

.faq-item.open {
  border-color: rgba(39, 112, 176, 0.4);
}

.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  background: transparent;
  border: 0;
  text-align: left;
  padding: 20px 22px;
  cursor: pointer;
  color: var(--heading);
  font-size: 1rem;
  font-weight: 650;
  border-radius: 18px;
  transition: var(--transition);
}

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

.faq-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  position: relative;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, background 0.3s ease;
}

.faq-toggle:hover .faq-icon {
  background: var(--primary);
  color: #fff;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}

.faq-icon::before {
  width: 10px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 10px;
  transition: opacity 0.2s ease;
}

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

.faq-item.open .faq-icon::after {
  opacity: 0;
}

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

.faq-answer-inner {
  border-top: 1px solid transparent;
  padding: 0 22px 0;
}

.faq-item.open .faq-answer-inner {
  border-top-color: var(--border);
  padding: 14px 22px 22px;
}

.faq-answer-inner p {
  color: var(--muted);
  line-height: 1.85;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.related-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: stretch;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(39, 112, 176, 0.3);
}

.related-media {
  min-height: 170px;
}

.related-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-content {
  padding: 22px 22px 22px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.related-content h3 {
  font-size: 1.1rem;
  color: var(--heading);
  font-weight: 750;
  margin-bottom: 8px;
}

.related-content p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

.related-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap .2s ease;
}

.related-link:hover {
  gap: 8px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.contact-info {
  background: linear-gradient(145deg, var(--primary-light) 0%, #F7FAFD 100%);
  padding: clamp(28px, 4vw, 48px);
}

.contact-info h2 {
  font-size: 1.6rem;
  line-height: 1.4;
  font-weight: 800;
  color: var(--heading);
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--body);
  margin-bottom: 22px;
}

.contact-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--body);
  line-height: 1.7;
}

.contact-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 9px;
}

.contact-form-box {
  padding: clamp(28px, 4vw, 48px);
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--heading);
  margin-bottom: 8px;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 0.98rem;
  line-height: 1.6;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: #9AAAC0;
}

.form-row input:hover,
.form-row select:hover,
.form-row textarea:hover {
  border-color: rgba(39, 112, 176, 0.45);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(39, 112, 176, 0.12);
}

.form-error {
  display: block;
  color: #C8403A;
  font-size: 0.82rem;
  margin-top: 5px;
}

.form-feedback {
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 550;
  margin-top: 14px;
  background: #EAF6F5;
  border: 1px solid rgba(15, 138, 131, 0.2);
  border-radius: 10px;
  padding: 10px 14px;
}

.site-footer {
  background: #fff;
  border-top: 1px solid rgba(220, 230, 239, 0.8);
  padding: 50px 0 28px;
  margin-top: 20px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr;
  gap: 40px;
  margin-bottom: 34px;
}

.footer-brand .brand-logo {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.footer-brand-description {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 340px;
}

.footer-nav h4 {
  font-size: 0.98rem;
  color: var(--heading);
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-nav a {
  display: block;
  padding: 6px 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(220, 230, 239, 0.7);
  padding-top: 20px;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-bottom-inner p {
  margin: 0;
}

@media (max-width: 1200px) {
  .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .layout-side {
    grid-template-columns: 1fr;
  }

  .toc-card {
    position: static;
  }

  .toc-list {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .split-card {
    grid-template-columns: 1fr;
  }

  .split-media {
    min-height: 280px;
  }

  .related-card {
    grid-template-columns: 1fr 1.3fr;
  }

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 899px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-desktop-cta {
    display: none;
  }

  .nav-card {
    padding: 12px 14px;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow-panel);
    padding: 12px;
    gap: 6px;
  }

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

  .nav-menu .nav-link {
    justify-content: center;
    padding: 12px 14px;
  }

  .nav-mobile-cta {
    margin-top: 6px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .page-hero {
    border-radius: 20px;
    padding: 32px 22px;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-outline {
    width: 100%;
  }

  .hero-meta {
    gap: 12px;
  }

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

  .toc-list {
    grid-template-columns: 1fr;
  }

  .panel-block {
    padding: 22px 18px;
  }

  .compare-row {
    grid-template-columns: 1fr;
  }

  .compare-cell + .compare-cell {
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .compare-row:not(:first-child) .compare-cell:first-child {
    background: var(--primary-light);
    font-weight: 650;
    color: var(--heading);
  }

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

  .related-card {
    grid-template-columns: 1fr;
  }

  .related-media {
    min-height: 180px;
  }

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

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

  .contact-info,
  .contact-form-box {
    padding: 26px 20px;
  }

  .brand-logo {
    font-size: 1.05rem;
  }
}

@media (min-width: 900px) {
  .nav-mobile-cta {
    display: none;
  }
}

section[id],
div[id] {
  scroll-margin-top: 110px;
}