/* roulang page: index */
:root {
            --color-bg: #F4F8F9;
            --color-surface: #FFFFFF;
            --color-primary: #0E9F9A;
            --color-primary-deep: #087E7A;
            --color-sky: #2B7FD3;
            --color-accent: #FF7849;
            --color-accent-soft: #FFB347;
            --gradient-brand: linear-gradient(120deg, #0E9F9A 0%, #2B7FD3 60%, #4FC0F5 100%);
            --gradient-cta: linear-gradient(120deg, #FFB347, #FF7849);
            --gradient-dark: linear-gradient(135deg, #0A2433, #113D52);
            --text-main: #16303D;
            --text-muted: #5C7A87;
            --border-soft: rgba(14, 159, 154, 0.10);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 8px 24px rgba(14, 159, 154, 0.10);
            --shadow-card-hover: 0 16px 32px rgba(14, 159, 154, 0.16);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--color-primary-deep);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-lg);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x>.cell {
            padding-left: 12px;
            padding-right: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 28px;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            line-height: 1.4;
            outline: none;
            background: var(--color-primary);
            color: #fff;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(14, 159, 154, 0.25);
            color: #fff;
            text-decoration: none;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
        }
        .btn-primary:hover {
            box-shadow: 0 10px 24px rgba(14, 159, 154, 0.30);
            color: #fff;
        }
        .btn-accent {
            background: var(--gradient-cta);
            color: #fff;
        }
        .btn-accent:hover {
            box-shadow: 0 10px 24px rgba(255, 120, 73, 0.35);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            background: rgba(14, 159, 154, 0.08);
            color: var(--color-primary-deep);
        }
        .btn-light {
            background: rgba(255, 255, 255, 0.95);
            color: var(--color-primary-deep);
        }
        .btn-light:hover {
            background: #fff;
            color: var(--color-primary-deep);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
        }
        .tag {
            display: inline-block;
            background: rgba(14, 159, 154, 0.10);
            color: var(--color-primary-deep);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            line-height: 1.5;
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
        }
        /* ===== Header ===== */
        .site-header {
            background: #fff;
            box-shadow: 0 2px 16px rgba(14, 159, 154, 0.06);
            position: relative;
            z-index: 100;
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-main);
            cursor: pointer;
            line-height: 1;
            padding: 8px;
        }
        .header-nav {
            border-top: 1px solid rgba(14, 159, 154, 0.08);
            background: #fff;
        }
        .nav-list {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            list-style: none;
            align-items: center;
            gap: 8px;
            height: 48px;
        }
        .nav-list li a {
            display: inline-block;
            padding: 6px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 999px;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .nav-list li a:hover {
            color: var(--color-primary);
            background: rgba(14, 159, 154, 0.06);
        }
        .nav-list li.active a {
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .header-top {
                height: 56px;
                padding: 0 16px;
            }
            .brand-text {
                font-size: 16px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .header-cta .btn {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-nav {
                display: none;
                border-top: none;
                background: #fff;
                padding: 12px 16px 20px;
            }
            .header-nav.open {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                align-items: stretch;
                height: auto;
                padding: 0;
                gap: 6px;
            }
            .nav-list li a {
                display: block;
                padding: 10px 16px;
                font-size: 15px;
                border-radius: 10px;
                text-align: center;
            }
            .nav-list li.active a {
                background: var(--gradient-brand);
            }
        }
        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--gradient-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.55;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 36, 51, 0.85) 0%, rgba(14, 159, 154, 0.55) 55%, rgba(255, 120, 73, 0.20) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 680px;
            padding: 80px 0;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 0.4px;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -1px;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero h1 .hero-highlight {
            color: #FFD4B3;
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.90);
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero-stat {
            background: rgba(255, 255, 255, 0.14);
            border-radius: 14px;
            padding: 14px 22px;
            text-align: center;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            min-width: 110px;
        }
        .hero-stat .num {
            font-size: 26px;
            font-weight: 700;
            display: block;
            font-family: "DIN Alternate", "Arial Narrow", system-ui, sans-serif;
        }
        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 4px;
            display: block;
        }
        @media (max-width: 900px) {
            .hero {
                min-height: auto;
            }
            .hero-content {
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 16px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                gap: 12px;
            }
            .hero-stat {
                padding: 10px 14px;
                min-width: 80px;
            }
            .hero-stat .num {
                font-size: 20px;
            }
        }
        /* ===== Stats Bar ===== */
        .stats-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-soft);
            padding: 32px 0;
        }
        .stats-bar .stat-tile {
            text-align: center;
            padding: 16px;
            border-radius: var(--radius-md);
            transition: background 0.3s ease;
        }
        .stats-bar .stat-tile:hover {
            background: rgba(14, 159, 154, 0.04);
        }
        .stats-bar .num {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            font-family: "DIN Alternate", "Arial Narrow", system-ui, sans-serif;
            display: block;
            line-height: 1.2;
        }
        .stats-bar .num span {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-muted);
            margin-left: 2px;
        }
        .stats-bar .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
        }
        @media (max-width: 768px) {
            .stats-bar {
                padding: 20px 0;
            }
            .stats-bar .num {
                font-size: 24px;
            }
        }
        /* ===== Steps Section ===== */
        .steps-section {
            padding: 90px 0;
        }
        .step-card {
            background: var(--color-surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 28px;
            position: relative;
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top: 3px solid var(--color-primary);
        }
        .step-card .step-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 16px;
        }
        .step-card .step-num {
            font-size: 40px;
            font-weight: 700;
            font-family: "DIN Alternate", "Arial Narrow", system-ui, sans-serif;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }
        .step-card .step-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(14, 159, 154, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
        }
        .step-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .step-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            flex-grow: 1;
        }
        .steps-connect {
            margin-top: 24px;
            display: flex;
            justify-content: center;
        }
        @media (max-width: 900px) {
            .steps-section {
                padding: 60px 0;
            }
            .step-card {
                margin-bottom: 20px;
            }
        }
        /* ===== Rewards Section ===== */
        .rewards-section {
            padding: 90px 0;
            background: linear-gradient(180deg, #F4F8F9 0%, #EDF5F7 100%);
        }
        .reward-card {
            background: var(--color-surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 28px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.35s ease, transform 0.35s ease;
        }
        .reward-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .reward-card .reward-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            min-height: 220px;
            background-size: cover;
            background-position: center;
        }
        .reward-card .reward-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 220px;
        }
        .reward-content {
            padding: 8px 4px;
        }
        .reward-content .tag {
            margin-bottom: 14px;
        }
        .reward-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .reward-content p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .reward-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        .reward-meta .mini-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            font-family: "DIN Alternate", "Arial Narrow", system-ui, sans-serif;
        }
        @media (max-width: 900px) {
            .rewards-section {
                padding: 60px 0;
            }
            .reward-card {
                padding: 20px;
            }
            .reward-content {
                padding: 16px 0 0;
            }
        }
        /* ===== News Section ===== */
        .news-section {
            padding: 90px 0;
        }
        .news-card {
            display: block;
            background: var(--color-surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 24px;
            margin-bottom: 24px;
            transition: all 0.35s ease;
            height: 100%;
            text-decoration: none;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-top: 3px solid var(--color-primary);
            text-decoration: none;
        }
        .news-card .tag {
            margin-bottom: 12px;
            display: inline-block;
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 10px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-card .news-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .news-meta .more-link {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 13px;
        }
        .empty-state {
            background: rgba(14, 159, 154, 0.04);
            border: 1px dashed var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
        }
        .news-more-wrap {
            text-align: center;
            margin-top: 20px;
        }
        @media (max-width: 900px) {
            .news-section {
                padding: 60px 0;
            }
        }
        /* ===== Progress Section ===== */
        .progress-section {
            padding: 90px 0;
        }
        .progress-card {
            background: var(--gradient-dark);
            border-radius: var(--radius-xl);
            padding: 40px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .progress-card::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(255, 120, 73, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .progress-info {
            flex: 0 0 180px;
            text-align: center;
        }
        .progress-info .progress-num {
            font-size: 52px;
            font-weight: 700;
            font-family: "DIN Alternate", "Arial Narrow", system-ui, sans-serif;
            line-height: 1;
            background: linear-gradient(120deg, #FFB347, #FF7849);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .progress-info .progress-label {
            margin-top: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.80);
            background: rgba(255, 255, 255, 0.10);
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
        }
        .progress-wrap {
            flex: 1;
            min-width: 260px;
        }
        .progress-line {
            height: 8px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            position: relative;
            margin-bottom: 20px;
        }
        .progress-line-fill {
            height: 100%;
            background: var(--gradient-cta);
            border-radius: 999px;
            width: 65%;
        }
        .progress-dots {
            display: flex;
            justify-content: space-between;
            position: relative;
        }
        .progress-dots .dot {
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.70);
            gap: 6px;
        }
        .progress-dots .dot::before {
            content: '';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.25);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .progress-dots .dot.done::before {
            background: var(--color-accent);
            border-color: var(--color-accent);
        }
        .progress-dots .dot.active::before {
            background: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(255, 120, 73, 0.25);
        }
        .progress-cta {
            flex: 0 0 auto;
        }
        @media (max-width: 900px) {
            .progress-section {
                padding: 60px 0;
            }
            .progress-card {
                padding: 28px;
                flex-direction: column;
                text-align: center;
                gap: 24px;
            }
            .progress-info {
                flex: none;
            }
            .progress-cta .btn {
                width: 100%;
            }
        }
        /* ===== CTA Section ===== */
        .cta-section {
            padding: 60px 0 90px;
        }
        .cta-banner {
            background: var(--gradient-cta);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            left: -60px;
            bottom: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 50%;
        }
        .cta-banner h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 0 60px;
            }
            .cta-banner {
                padding: 36px 20px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--gradient-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 0;
        }
        .footer-columns {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand-col {
            flex: 2;
            min-width: 260px;
        }
        .footer-brand-col .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand-col .footer-brand-name .brand-icon {
            width: 30px;
            height: 30px;
            font-size: 15px;
        }
        .footer-brand-col p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-col {
            flex: 1;
            min-width: 140px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .copyright {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 768px) {
            .footer-columns {
                flex-direction: column;
                gap: 32px;
                padding-bottom: 24px;
            }
            .footer-col {
                min-width: 100%;
            }
        }
        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }
        .section-pad {
            padding: 90px 0;
        }
        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 26px;
                letter-spacing: -0.3px;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg: #F4F8F9;
            --color-surface: #FFFFFF;
            --color-primary: #0E9F9A;
            --color-primary-deep: #087E7A;
            --color-sky: #2B7FD3;
            --color-accent: #FF7849;
            --color-accent-soft: #FFB347;
            --gradient-brand: linear-gradient(120deg, #0E9F9A 0%, #2B7FD3 60%, #4FC0F5 100%);
            --gradient-cta: linear-gradient(120deg, #FFB347, #FF7849);
            --gradient-dark: linear-gradient(135deg, #0A2433, #113D52);
            --text-main: #16303D;
            --text-muted: #5C7A87;
            --border-soft: rgba(14,159,154,0.10);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 8px 24px rgba(14,159,154,0.10);
            --shadow-card-hover: 0 16px 32px rgba(14,159,154,0.16);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            background: var(--color-bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 16px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            border-radius: var(--radius-md);
            padding: 14px 28px;
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            transition: all .3s ease;
            background: none;
            font-family: inherit;
            text-align: center;
        }

        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            color: #fff;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-cta {
            background: var(--gradient-cta);
            color: #fff;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            color: #fff;
        }
        .btn-cta:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-outline {
            background: var(--color-surface);
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            background: rgba(14,159,154,.06);
            transform: translateY(-2px);
            color: var(--color-primary-deep);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 16px;
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(14,159,154,.06);
        }

        .header-top {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(14,159,154,.3);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hamburger {
            display: none;
            background: none;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            width: 44px;
            height: 44px;
            font-size: 20px;
            cursor: pointer;
            color: var(--text-main);
            transition: all .3s ease;
            align-items: center;
            justify-content: center;
        }
        .hamburger:hover {
            background: rgba(14,159,154,.08);
        }

        .header-nav {
            background: var(--color-surface);
            border-top: 1px solid var(--border-soft);
        }

        .nav-list {
            max-width: 1200px;
            margin: 0 auto;
            padding: 6px 24px;
            display: flex;
            align-items: center;
            gap: 8px;
            min-height: 48px;
        }

        .nav-list li {
            display: inline-flex;
        }

        .nav-list a {
            display: inline-block;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            transition: all .3s ease;
            border: 1px solid transparent;
            text-decoration: none;
        }

        .nav-list a:hover {
            background: rgba(14,159,154,.08);
            color: var(--color-primary);
            border-color: rgba(14,159,154,.2);
        }

        .nav-list li.active a {
            background: var(--gradient-brand);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 12px rgba(14,159,154,.25);
        }

        .nav-list li.active a:hover {
            color: #fff;
            background: var(--gradient-brand);
        }

        /* ===== Hero ===== */
        .page-hero {
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            position: relative;
            padding: 0;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(6,32,46,.78) 0%, rgba(14,100,102,.66) 55%, rgba(31,94,155,.42) 100%);
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 72px 24px 60px;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,.16);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,.3);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 28px;
            letter-spacing: .5px;
        }

        .hero-badge i {
            font-size: 14px;
            color: var(--color-accent-soft);
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            line-height: 1.3;
            margin-bottom: 18px;
            text-shadow: 0 4px 20px rgba(0,0,0,.2);
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255,255,255,.9);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-buttons .btn-primary {
            background: var(--gradient-cta);
        }

        .hero-buttons .btn-outline {
            background: rgba(255,255,255,.14);
            border-color: rgba(255,255,255,.5);
            color: #fff;
        }
        .hero-buttons .btn-outline:hover {
            background: rgba(255,255,255,.25);
            border-color: #fff;
            color: #fff;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            background: rgba(255,255,255,.14);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,.25);
            border-radius: var(--radius-lg);
            padding: 14px 26px;
            text-align: center;
            min-width: 120px;
        }

        .hero-stat-item .stat-num {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            display: block;
            font-family: Arial Narrow, DIN Alternate, sans-serif;
            letter-spacing: .5px;
        }

        .hero-stat-item .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,.85);
            margin-top: 4px;
            display: block;
        }

        /* ===== Section Base ===== */
        .section {
            padding: 80px 0;
        }

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

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(14,159,154,.1);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: .4px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto;
        }

        /* ===== Split Section ===== */
        .split-section {
            padding: 72px 0;
        }

        .split-inner {
            display: flex;
            align-items: center;
            gap: 56px;
        }

        .split-inner.reverse {
            flex-direction: row-reverse;
        }

        .split-image {
            flex: 0 0 48%;
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .split-image img {
            width: 100%;
            aspect-ratio: 16 / 11;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .split-image:hover img {
            transform: scale(1.03);
        }

        .split-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10,36,51,.18), transparent 60%);
            pointer-events: none;
        }

        .split-content {
            flex: 1;
        }

        .split-content .content-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(120deg, rgba(14,159,154,.12), rgba(43,127,211,.12));
            color: var(--color-primary-deep);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .split-content .content-tag i {
            font-size: 14px;
            color: var(--color-sky);
        }

        .split-content h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 18px;
            line-height: 1.35;
        }

        .split-content p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 22px;
        }

        .feature-list {
            margin-bottom: 24px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-main);
            padding: 7px 0;
        }

        .feature-list li i {
            color: var(--color-primary);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .split-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .mini-badge {
            background: var(--color-surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            box-shadow: 0 2px 8px rgba(14,159,154,.06);
        }

        .mini-badge i {
            margin-right: 6px;
            color: var(--color-accent);
        }

        /* ===== Steps ===== */
        .steps-section {
            background: linear-gradient(180deg, var(--color-bg) 0%, rgba(14,159,154,.05) 100%);
            position: relative;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 48px;
        }

        .step-card {
            background: var(--color-surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            text-align: left;
            position: relative;
            transition: all .35s ease;
            box-shadow: var(--shadow-card);
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 3px;
            background: var(--gradient-brand);
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: opacity .3s ease;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-card:hover::before {
            opacity: 1;
        }

        .step-number {
            font-size: 44px;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            display: block;
            font-family: Arial Narrow, DIN Alternate, sans-serif;
            margin-bottom: 20px;
        }

        .step-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(14,159,154,.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .steps-note {
            text-align: center;
            margin-top: 40px;
        }

        .steps-note .btn {
            margin: 0 8px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0 88px;
        }

        .cta-wrapper {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(14,159,154,.2);
        }

        .cta-wrapper::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 420px;
            height: 420px;
            background: rgba(255,255,255,.08);
            border-radius: 50%;
        }

        .cta-wrapper::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255,255,255,.06);
            border-radius: 50%;
        }

        .cta-wrapper h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .cta-wrapper p {
            position: relative;
            z-index: 2;
            color: rgba(255,255,255,.92);
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-buttons {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-buttons .btn-white {
            background: #fff;
            color: var(--color-primary);
        }
        .cta-buttons .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,0,0,.15);
            color: var(--color-primary-deep);
        }

        .cta-buttons .btn-ghost {
            background: rgba(255,255,255,.15);
            border: 1px solid rgba(255,255,255,.4);
            color: #fff;
        }
        .cta-buttons .btn-ghost:hover {
            background: rgba(255,255,255,.28);
            border-color: #fff;
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--gradient-dark);
            color: rgba(255,255,255,.75);
            padding: 64px 0 28px;
            margin-top: 48px;
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .brand-icon {
            width: 40px;
            height: 40px;
            font-size: 18px;
        }

        .footer-brand-col p {
            font-size: 14px;
            color: rgba(255,255,255,.65);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

        .footer-col ul li a {
            color: rgba(255,255,255,.65);
            font-size: 14px;
            transition: color .3s ease;
        }

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

        .copyright {
            border-top: 1px solid rgba(255,255,255,.12);
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255,255,255,.5);
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 34px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .split-inner,
            .split-inner.reverse {
                gap: 36px;
            }

            .split-content h2 {
                font-size: 24px;
            }

            .cta-wrapper {
                padding: 48px 32px;
            }

            .cta-wrapper h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .header-top {
                height: auto;
                padding: 14px 20px;
            }

            .brand-text {
                font-size: 17px;
            }

            .hamburger {
                display: flex;
            }

            .header-nav {
                display: none;
                border-top: 1px solid var(--border-soft);
            }

            .header-nav.open {
                display: block;
            }

            .nav-list {
                flex-direction: column;
                padding: 14px 20px;
                align-items: stretch;
                gap: 6px;
            }

            .nav-list li {
                display: block;
            }

            .nav-list a,
            .nav-list li.active a {
                display: block;
                padding: 10px 16px;
                border-radius: var(--radius-md);
                font-size: 14px;
            }

            .header-cta .btn-sm {
                display: none;
            }

            .page-hero-content {
                padding: 52px 20px 44px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-stats {
                gap: 10px;
            }

            .hero-stat-item {
                padding: 10px 18px;
                min-width: 96px;
            }

            .hero-stat-item .stat-num {
                font-size: 20px;
            }

            .split-inner,
            .split-inner.reverse {
                flex-direction: column;
                gap: 28px;
            }

            .split-image {
                flex: none;
                width: 100%;
            }

            .split-content {
                flex: none;
                width: 100%;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                margin-top: 32px;
            }

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

            .cta-wrapper {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }

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

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-buttons .btn {
                width: 100%;
                max-width: 240px;
            }
        }

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

            .page-hero h1 {
                font-size: 24px;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .hero-buttons .btn {
                width: 100%;
                max-width: 260px;
            }

            .hero-stat-item {
                min-width: 80px;
                padding: 8px 12px;
            }

            .hero-stat-item .stat-num {
                font-size: 18px;
            }

            .hero-stat-item .stat-label {
                font-size: 12px;
            }

            .split-badges {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --color-bg: #F4F8F9;
  --color-surface: #FFFFFF;
  --color-primary: #0E9F9A;
  --color-primary-deep: #087E7A;
  --color-sky: #2B7FD3;
  --color-accent: #FF7849;
  --color-accent-soft: #FFB347;
  --gradient-brand: linear-gradient(120deg, #0E9F9A 0%, #2B7FD3 60%, #4FC0F5 100%);
  --gradient-cta: linear-gradient(120deg, #FFB347, #FF7849);
  --gradient-dark: linear-gradient(135deg, #0A2433, #113D52);
  --text-main: #16303D;
  --text-muted: #5C7A87;
  --border-soft: rgba(14,159,154,0.10);
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-card: 0 8px 24px rgba(14,159,154,0.10);
  --shadow-card-hover: 0 16px 32px rgba(14,159,154,0.16);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover { color: var(--color-primary-deep); }

ul, ol { padding-left: 1.2em; }

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

p { margin-top: 0; }

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

/* Foundation reset 修正 */
.button { margin-bottom: 0; }

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .3s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  border: none;
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  filter: brightness(1.05);
}
.btn-cta {
  background: var(--gradient-cta);
  color: #fff;
  border: none;
}
.btn-cta:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}
.btn-outline {
  background: #fff;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: rgba(14,159,154,0.06);
  color: var(--color-primary-deep);
}
.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
  border-radius: 10px;
}

/* ===== 徽章 / 标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}
.badge-soft {
  background: rgba(14,159,154,0.10);
  color: var(--color-primary-deep);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 2px 16px rgba(22,48,61,0.06);
}
.header-top {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: #fff;
  color: var(--text-main);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
}
.hamburger:hover { border-color: var(--color-primary); }

.header-nav {
  border-top: 1px solid var(--border-soft);
  background: #fff;
}
.nav-list {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 24px;
  padding-right: 24px;
  flex-wrap: wrap;
}
.nav-list li { margin: 0; }
.nav-list a {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  text-decoration: none;
  transition: all .25s ease;
  line-height: 1.4;
}
.nav-list a:hover {
  background: rgba(14,159,154,0.08);
  color: var(--color-primary-deep);
}
.nav-list li.active a {
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 600;
}

/* ===== 页面横幅 ===== */
.page-banner {
  position: relative;
  padding: 52px 0 56px;
  background: linear-gradient(120deg, rgba(10,36,51,0.92) 0%, rgba(17,61,82,0.86) 60%, rgba(14,159,154,0.8) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner p {
  margin-bottom: 0;
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  letter-spacing: 1px;
}
.page-banner .banner-main {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 2px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 22px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--color-primary-deep); text-decoration: underline; }
.breadcrumb .sep {
  margin: 0 8px;
  color: #b6c6cc;
}
.breadcrumb .current {
  color: var(--text-muted);
}

/* ===== 文章主体 ===== */
.article-section {
  padding: 24px 0 72px;
}
.article-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  padding: 40px 48px;
}
.article-header {
  margin-bottom: 24px;
}
.article-tag {
  display: inline-block;
  background: rgba(14,159,154,0.10);
  color: var(--color-primary-deep);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.article-title {
  font-size: 38px;
  line-height: 1.35;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.3px;
  color: var(--text-main);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  color: var(--text-muted);
  font-size: 14px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 28px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item i {
  font-style: normal;
  opacity: .8;
}
.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
}
.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ===== 正文内容样式 ===== */
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.8;
  color: #2a414f;
}
.article-content > *:last-child { margin-bottom: 0; }
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 40px 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--color-primary);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 32px 0 14px;
  padding-left: 14px;
  border-left: 3px solid var(--color-sky);
  line-height: 1.45;
}
.article-content p {
  margin-bottom: 22px;
}
.article-content a {
  color: var(--color-primary-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover { color: var(--color-accent); }
.article-content blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  background: rgba(14,159,154,0.06);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-muted);
  font-style: normal;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img {
  border-radius: var(--radius-lg);
  margin: 28px 0;
  box-shadow: var(--shadow-card);
}
.article-content ul, .article-content ol {
  margin: 20px 0 24px;
  padding-left: 1.4em;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content table {
  width: 100%;
  margin: 28px 0;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.article-content th {
  background: rgba(14,159,154,0.10);
  font-weight: 600;
  text-align: left;
  padding: 14px 18px;
  border-bottom: 2px solid rgba(14,159,154,0.2);
  color: var(--text-main);
}
.article-content td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--border-soft);
  color: #2a414f;
}
.article-content tr:last-child td { border-bottom: none; }

/* ===== 无内容提示 ===== */
.article-empty {
  text-align: center;
  padding: 60px 20px;
}
.article-empty .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: .6;
}
.article-empty p {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 64px 0;
  background: #eef4f5;
  border-top: 1px solid var(--border-soft);
}
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 30px;
  margin-bottom: 8px;
  font-weight: 800;
}
.section-head p {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-top: 3px solid var(--color-primary);
}
.related-img-link {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.related-img-link img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .related-img-link img { transform: scale(1.04); }
.related-info {
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 12px;
  margin-top: 0;
  flex: 1;
}
.related-title a {
  color: var(--text-main);
  text-decoration: none;
}
.related-title a:hover { color: var(--color-primary); }
.related-date {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* ===== 返回入口 ===== */
.back-entry {
  padding: 56px 0 72px;
  text-align: center;
}
.back-entry .back-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== CTA 区 ===== */
.article-cta {
  padding: 0 0 72px;
}
.cta-box {
  background: var(--gradient-brand);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box::after {
  content: '';
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
}
.cta-box h2 {
  color: #fff;
  font-size: 30px;
  margin-bottom: 10px;
  font-weight: 800;
}
.cta-box p {
  color: rgba(255,255,255,0.92);
  margin-bottom: 24px;
  font-size: 16px;
}
.cta-box .btn {
  background: #fff;
  color: var(--color-primary-deep);
  border: none;
}
.cta-box .btn:hover {
  color: var(--color-primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.16);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--gradient-dark);
  color: rgba(255,255,255,0.78);
  padding: 64px 0 28px;
}
.footer-columns {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand-col p {
  color: rgba(255,255,255,0.66);
  font-size: 14px;
  line-height: 1.7;
  max-width: 360px;
  margin-bottom: 0;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: rgba(255,255,255,0.68);
  font-size: 14px;
  text-decoration: none;
  transition: all .25s ease;
}
.footer-col ul a:hover { color: #fff; padding-left: 4px; }
.copyright {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 22px;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-wrap { padding: 32px 32px; }
  .article-title { font-size: 32px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-columns { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .header-top { padding: 0 20px; }
  .nav-list { padding-left: 20px; padding-right: 20px; }
  .brand-text { font-size: 18px; }
  .article-wrap { padding: 28px 20px; border-radius: 20px; }
  .article-title { font-size: 28px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-columns { grid-template-columns: 1fr; gap: 32px; }
  .cta-box { padding: 36px 24px; }
  .page-banner { padding: 40px 0; }
  .page-banner .banner-main { font-size: 20px; }
}

@media (max-width: 640px) {
  .header-top { padding: 0 16px; }
  .header-cta .btn { display: none; }
  .hamburger { display: inline-flex; }
  .header-nav {
    display: none;
    border-top: 1px solid var(--border-soft);
    padding: 0 16px 12px;
  }
  .header-nav.open { display: block; }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 8px 0;
  }
  .nav-list a {
    display: block;
    text-align: left;
    padding: 12px 16px;
    border-radius: 12px;
  }
  .article-title { font-size: 24px; }
  .article-meta { gap: 12px 20px; font-size: 13px; }
  .article-content { font-size: 16px; }
  .article-content h2 { font-size: 23px; }
  .article-content h3 { font-size: 20px; }
  .article-content table,
  .article-content table tbody,
  .article-content table tr,
  .article-content table td {
    display: block;
    width: 100%;
  }
  .article-content table thead { display: none; }
  .article-content table tr {
    margin-bottom: 16px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 0;
    box-shadow: var(--shadow-card);
  }
  .article-content table td {
    border: none;
    border-bottom: 1px solid var(--border-soft);
    padding: 10px 14px;
  }
  .article-content table td:last-child { border-bottom: none; }
  .article-content table td::before {
    content: attr(data-label);
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 2px;
  }
  .back-entry .back-actions { flex-direction: column; align-items: center; }
  .back-entry .btn { width: 100%; max-width: 280px; }
}

@media (max-width: 520px) {
  .brand-text { font-size: 17px; }
  .section-head h2 { font-size: 26px; }
  .related-title { font-size: 17px; }
  .article-cover img { aspect-ratio: 16 / 9; }
}

/* roulang page: category2 */
:root{
  --color-bg:#F4F8F9;
  --color-surface:#FFFFFF;
  --color-primary:#0E9F9A;
  --color-primary-deep:#087E7A;
  --color-sky:#2B7FD3;
  --color-accent:#FF7849;
  --color-accent-soft:#FFB347;
  --gradient-brand:linear-gradient(120deg,#0E9F9A 0%,#2B7FD3 60%,#4FC0F5 100%);
  --gradient-cta:linear-gradient(120deg,#FFB347,#FF7849);
  --gradient-dark:linear-gradient(135deg,#0A2433,#113D52);
  --text-main:#16303D;
  --text-muted:#5C7A87;
  --border-soft:rgba(14,159,154,0.10);
  --radius-xl:24px;
  --radius-lg:16px;
  --radius-md:12px;
  --shadow-card:0 8px 24px rgba(14,159,154,0.10);
  --shadow-card-hover:0 16px 32px rgba(14,159,154,0.16);
}
*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--color-bg);
  color:var(--text-main);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
}
ul,ol{
  list-style:none;
}
button,input,select,textarea{
  font-family:inherit;
}
.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-md);
  font-size:16px;
  font-weight:700;
  border:none;
  cursor:pointer;
  transition:all .2s ease;
  line-height:1.4;
}
.btn-brand{
  background:var(--gradient-brand);
  color:#fff;
  box-shadow:0 6px 16px rgba(14,159,154,0.22);
}
.btn-brand:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-card-hover);
}
.btn-cta{
  background:var(--gradient-cta);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,120,73,0.24);
}
.btn-cta:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-card-hover);
}
.btn-outline{
  background:transparent;
  border:1px solid var(--color-primary);
  color:var(--color-primary);
}
.btn-outline:hover{
  background:rgba(14,159,154,0.06);
}
.btn-light{
  background:#fff;
  color:var(--text-main);
  box-shadow:0 6px 16px rgba(0,0,0,0.12);
}
.btn-light:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(0,0,0,0.16);
}
.btn-sm{
  padding:10px 20px;
  font-size:14px;
}
.btn:focus{
  outline:2px solid var(--color-primary);
  outline-offset:2px;
}
.site-header{
  background:var(--color-surface);
  border-bottom:1px solid var(--border-soft);
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 4px 20px rgba(14,159,154,0.06);
}
.header-top{
  max-width:1200px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.brand-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--gradient-brand);
  color:#fff;
  font-weight:700;
  font-size:20px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 12px rgba(14,159,154,0.24);
}
.brand-text{
  font-size:20px;
  font-weight:700;
  color:var(--text-main);
  letter-spacing:.5px;
}
.header-cta{
  display:flex;
  align-items:center;
  gap:12px;
}
.hamburger{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--border-soft);
  background:var(--color-surface);
  font-size:20px;
  color:var(--text-main);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:all .2s;
}
.hamburger:hover{
  background:rgba(14,159,154,0.06);
  color:var(--color-primary);
}
.hamburger:focus{
  outline:2px solid var(--color-primary);
  outline-offset:2px;
}
.header-nav{
  border-top:1px solid var(--border-soft);
  background:var(--color-surface);
}
.nav-list{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:8px;
  padding:6px 24px;
  flex-wrap:wrap;
}
.nav-list li a{
  display:inline-block;
  padding:8px 18px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-main);
  transition:all .2s;
}
.nav-list li a:hover{
  background:rgba(14,159,154,0.08);
  color:var(--color-primary);
}
.nav-list li.active a{
  background:var(--gradient-brand);
  color:#fff;
  box-shadow:0 4px 12px rgba(14,159,154,0.28);
}
.mobile-cta{
  display:none;
}
.page-hero{
  position:relative;
  padding:76px 0 84px;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(244,248,249,0.95) 0%,rgba(255,255,255,0.88) 55%,rgba(14,159,154,0.12) 100%);
}
.page-hero .container{
  position:relative;
  z-index:1;
}
.breadcrumbs{
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:20px;
  letter-spacing:.3px;
}
.breadcrumbs a{
  color:var(--text-muted);
  transition:color .2s;
}
.breadcrumbs a:hover{
  color:var(--color-primary);
}
.breadcrumbs .sep{
  margin:0 8px;
  opacity:.5;
}
.page-hero h1{
  font-size:44px;
  line-height:1.18;
  font-weight:700;
  color:var(--text-main);
  letter-spacing:.5px;
  max-width:820px;
}
.hero-sub{
  font-size:17px;
  color:var(--text-muted);
  max-width:680px;
  margin-top:14px;
  line-height:1.8;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-chip{
  background:rgba(255,255,255,0.85);
  border:1px solid var(--border-soft);
  color:var(--color-primary);
  border-radius:999px;
  padding:6px 16px;
  font-size:13px;
  font-weight:600;
  box-shadow:0 4px 12px rgba(14,159,154,0.08);
}
.faq-section{
  padding:88px 0 72px;
}
.section-head{
  text-align:center;
  margin-bottom:52px;
}
.section-tag{
  display:inline-block;
  background:rgba(14,159,154,0.10);
  color:var(--color-primary);
  border-radius:999px;
  padding:5px 16px;
  font-size:13px;
  font-weight:600;
  margin-bottom:14px;
}
.section-title{
  font-size:32px;
  font-weight:700;
  color:var(--text-main);
  letter-spacing:.5px;
}
.section-sub{
  color:var(--text-muted);
  margin-top:10px;
  font-size:15px;
}
.faq-accordion{
  max-width:880px;
  margin:0 auto;
}
.accordion-item{
  background:var(--color-surface);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);
  margin-bottom:16px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:border-color .2s,box-shadow .2s;
  list-style:none;
}
.accordion-item.is-active{
  border-color:var(--color-primary);
  box-shadow:var(--shadow-card-hover);
}
.accordion-title{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:22px 28px;
  font-size:17px;
  font-weight:600;
  color:var(--text-main);
  cursor:pointer;
  transition:color .2s;
  border-bottom:1px solid transparent;
}
.accordion-title:hover{
  color:var(--color-primary);
}
.accordion-title:focus{
  outline:2px solid var(--color-primary);
  outline-offset:-2px;
}
.accordion-icon{
  flex:0 0 30px;
  width:30px;
  height:30px;
  border-radius:50%;
  background:rgba(14,159,154,0.12);
  color:var(--color-primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:700;
  transition:all .25s;
  line-height:1;
}
.accordion-item.is-active .accordion-icon{
  background:var(--gradient-cta);
  color:#fff;
  transform:rotate(45deg);
}
.accordion-content{
  padding:0 28px 26px;
  color:var(--text-muted);
  line-height:1.8;
  font-size:15px;
  border-bottom:0;
}
.accordion-content p{
  margin-bottom:8px;
}
.index-section{
  padding:72px 0 88px;
  background:var(--color-surface);
}
.index-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:20px;
}
.index-card{
  border:1px solid var(--border-soft);
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:var(--color-surface);
  box-shadow:var(--shadow-card);
  transition:transform .25s,box-shadow .25s;
}
.index-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(14,159,154,0.24);
}
.index-card-img{
  width:100%;
  height:180px;
  object-fit:cover;
  overflow:hidden;
}
.index-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s;
}
.index-card:hover .index-card-img img{
  transform:scale(1.04);
}
.index-card-body{
  padding:24px 24px 22px;
}
.index-card-body h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--text-main);
}
.index-card-body p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:16px;
  min-height:48px;
}
.index-card-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--color-primary);
  font-weight:600;
  font-size:14px;
  transition:gap .2s;
}
.index-card-link i{
  font-size:12px;
  transition:transform .2s;
}
.index-card:hover .index-card-link{
  gap:12px;
}
.index-card:hover .index-card-link i{
  transform:translateX(3px);
}
.cta-section{
  padding:88px 0;
  background:var(--color-bg);
}
.cta-box{
  position:relative;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius:var(--radius-xl);
  padding:60px 48px;
  text-align:center;
  color:#fff;
  overflow:hidden;
}
.cta-box::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(10,36,51,0.90) 0%,rgba(14,159,154,0.84) 100%);
}
.cta-box .container{
  position:relative;
  z-index:1;
}
.cta-box h2{
  font-size:32px;
  font-weight:700;
  margin-bottom:10px;
  letter-spacing:.5px;
}
.cta-box p{
  color:rgba(255,255,255,0.88);
  margin-bottom:28px;
  font-size:16px;
}
.cta-buttons{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.site-footer{
  background:var(--gradient-dark);
  color:rgba(255,255,255,0.78);
  padding:64px 0 0;
}
.footer-columns{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  padding-bottom:44px;
}
.footer-brand-name{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand-col p{
  font-size:14px;
  line-height:1.8;
  max-width:380px;
  color:rgba(255,255,255,0.68);
}
.footer-col h4{
  font-size:16px;
  color:#fff;
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul li a{
  font-size:14px;
  color:rgba(255,255,255,0.78);
  transition:all .2s;
}
.footer-col ul li a:hover{
  color:var(--color-accent-soft);
  opacity:1;
  padding-left:4px;
}
.copyright{
  border-top:1px solid rgba(255,255,255,0.10);
  padding:20px 0;
  text-align:center;
  font-size:14px;
  color:rgba(255,255,255,0.62);
}
@media (max-width:1024px){
  .index-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-columns{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:767px){
  .header-top{
    height:56px;
  }
  .brand-text{
    font-size:17px;
  }
  .header-cta .btn{
    display:none;
  }
  .hamburger{
    display:flex;
  }
  .header-nav{
    display:none;
    position:absolute;
    top:56px;
    left:0;
    right:0;
    background:var(--color-surface);
    box-shadow:0 16px 32px rgba(14,159,154,0.14);
    padding:14px 16px 10px;
    border-top:none;
    border-radius:0 0 20px 20px;
  }
  .header-nav.open{
    display:block;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:0;
  }
  .nav-list li a{
    display:block;
    text-align:center;
    padding:12px 16px;
    font-size:15px;
  }
  .nav-list li.active a{
    background:var(--gradient-brand);
  }
  .mobile-cta{
    display:block;
    padding:14px 0 8px;
  }
  .mobile-cta .btn{
    width:100%;
  }
  .page-hero{
    padding:48px 0 56px;
  }
  .page-hero h1{
    font-size:30px;
    line-height:1.25;
  }
  .hero-sub{
    font-size:15px;
  }
  .faq-section,
  .index-section,
  .cta-section{
    padding:56px 0;
  }
  .section-title{
    font-size:26px;
  }
  .index-grid{
    grid-template-columns:1fr;
  }
  .cta-box{
    padding:40px 24px 44px;
  }
  .cta-buttons{
    flex-direction:column;
  }
  .cta-buttons .btn{
    width:100%;
  }
  .footer-columns{
    grid-template-columns:1fr;
    gap:32px;
  }
}