/* roulang page: index */
:root {
            --primary: #0D7D59;
            --primary-dark: #0A5C43;
            --primary-light: #E7F3EE;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #F7FAF9;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-weak: #5F6B64;
            --border: #E3ECE7;
            --success: #10B981;
            --warning: #B45309;
            --error: #E11D48;
            --radius: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 2px rgba(13, 125, 89, .06);
            --shadow-hover: 0 12px 28px rgba(13, 125, 89, .12);
            --container: min(1200px, 92vw);
            --transition: .2s ease;
            --header-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            font-weight: 700;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: var(--container);
            max-width: 1200px;
            margin: 0 auto;
        }

        .section {
            padding: 80px 0;
        }

        .section-title-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 40px;
        }

        .section-title-wrap::before {
            content: '';
            width: 4px;
            height: 28px;
            background: var(--primary);
            border-radius: 4px;
            flex-shrink: 0;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.2vw, 2.2rem);
            font-weight: 800;
            letter-spacing: .02em;
        }

        .section-sub {
            color: var(--text-weak);
            font-size: .95rem;
            margin-top: 4px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: .95rem;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, .3);
        }

        .btn-primary:active,
        .btn-outline:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-dark);
            border-color: var(--primary);
        }

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

        .btn-dark {
            background: var(--primary-dark);
            color: #fff;
            border-color: var(--primary-dark);
        }

        .btn-dark:hover {
            background: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13, 125, 89, .25);
        }

        .btn-light-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .7);
        }

        .btn-light-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 600;
            line-height: 1.4;
        }

        .badge-accent {
            background: #FFF4E0;
            color: var(--accent-dark);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-h);
            background: transparent;
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, .96);
            box-shadow: 0 1px 12px rgba(13, 125, 89, .08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            width: var(--container);
            max-width: 1200px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: baseline;
            gap: 6px;
            line-height: 1.2;
        }

        .logo-main {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: .01em;
        }

        .logo-sub {
            font-size: .72rem;
            font-weight: 500;
            color: var(--primary);
            letter-spacing: .06em;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            font-size: .95rem;
            font-weight: 500;
            color: var(--text);
            position: relative;
            padding: 6px 2px;
        }

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

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .nav-cta {
            margin-left: 16px;
        }

        .nav-cta .btn {
            padding: 9px 22px;
            font-size: .9rem;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary-dark);
            border-radius: 2px;
            transition: all .3s ease;
        }

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

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

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

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            background: linear-gradient(90deg, rgba(231, 243, 238, .98) 0%, rgba(231, 243, 238, .9) 50%, rgba(13, 125, 89, .42) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: calc(var(--header-h) + 60px) 0 80px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245, 158, 11, .18) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero h1 {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary-dark);
            letter-spacing: .01em;
            margin-bottom: 20px;
        }

        .hero-sub {
            font-size: 1.05rem;
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 460px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-visual {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 24px 48px rgba(13, 125, 89, .18);
            aspect-ratio: 4 / 3;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 125, 89, .0) 40%, rgba(13, 125, 89, .24) 100%);
            pointer-events: none;
        }

        /* ===== Features ===== */
        .features {
            padding: 80px 0;
        }

        .features-grid-top {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 24px;
            margin-bottom: 24px;
        }

        .feature-card-large {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 36px;
            display: flex;
            gap: 28px;
            align-items: flex-start;
            transition: all var(--transition);
        }

        .feature-card-large:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .feature-icon svg {
            width: 28px;
            height: 28px;
            stroke: currentColor;
            stroke-width: 1.8;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .feature-card-large h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .feature-card-large p {
            color: var(--text-weak);
            font-size: .93rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .feature-link {
            color: var(--primary);
            font-size: .88rem;
            font-weight: 600;
        }

        .feature-link:hover {
            text-decoration: underline;
        }

        .features-grid-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .feature-card-horizontal {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 26px;
            transition: all var(--transition);
            flex: 1;
        }

        .feature-card-horizontal:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .feature-card-horizontal .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            margin-bottom: 12px;
        }

        .feature-card-horizontal h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .feature-card-horizontal p {
            font-size: .88rem;
            color: var(--text-weak);
            line-height: 1.6;
        }

        .features-grid-bottom {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card-small {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 30px 26px;
            transition: all var(--transition);
            position: relative;
        }

        .feature-card-small::before {
            content: '';
            position: absolute;
            top: 0;
            left: 26px;
            right: 26px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 0 0 3px 3px;
            transition: background var(--transition);
        }

        .feature-card-small:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .feature-card-small:hover::before {
            background: var(--accent);
        }

        .feature-card-small .feature-icon {
            width: 48px;
            height: 48px;
            margin-bottom: 16px;
        }

        .feature-card-small h3 {
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .feature-card-small p {
            font-size: .86rem;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ===== Scenarios ===== */
        .scenarios {
            background: var(--primary-light);
            padding: 80px 0;
        }

        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 72px;
        }

        .scenario-block:last-child {
            margin-bottom: 0;
        }

        .scenario-block.reverse .scenario-text {
            order: 2;
        }

        .scenario-block.reverse .scenario-img {
            order: 1;
        }

        .scenario-text h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: var(--primary-dark);
        }

        .scenario-text p {
            color: var(--text-weak);
            font-size: .95rem;
            line-height: 1.8;
            margin-bottom: 22px;
            max-width: 420px;
        }

        .scenario-img {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(13, 125, 89, .14);
            aspect-ratio: 4 / 3;
        }

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

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

        /* ===== Stats / Social Proof ===== */
        .stats {
            background: var(--primary-dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 158, 11, .12) 0%, transparent 65%);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
            margin-bottom: 56px;
        }

        .stat-item .stat-num {
            font-size: clamp(2rem, 3.5vw, 3rem);
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stat-item .stat-label {
            color: rgba(255, 255, 255, .7);
            font-size: .95rem;
            margin-top: 6px;
        }

        .testimonials {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .testimonial-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, .08);
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 1rem;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .testimonial-card p {
            color: var(--text);
            font-size: .92rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .testimonial-author {
            font-size: .85rem;
            color: var(--text-weak);
            font-weight: 600;
        }

        /* ===== Pricing ===== */
        .pricing {
            padding: 80px 0;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: center;
        }

        .pricing-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 30px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .pricing-card.featured {
            background: var(--primary-dark);
            color: #fff;
            border-color: var(--primary-dark);
            transform: scale(1.05);
            box-shadow: 0 16px 40px rgba(10, 92, 67, .3);
            z-index: 2;
            position: relative;
        }

        .pricing-card.featured:hover {
            transform: scale(1.05) translateY(-4px);
        }

        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: .78rem;
            font-weight: 700;
            padding: 4px 18px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .pricing-name {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .pricing-price {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            font-variant-numeric: tabular-nums;
        }

        .pricing-price span {
            font-size: .9rem;
            font-weight: 400;
            color: var(--text-weak);
        }

        .pricing-card.featured .pricing-price span {
            color: rgba(255, 255, 255, .6);
        }

        .pricing-list {
            margin-bottom: 28px;
            flex-grow: 1;
        }

        .pricing-list li {
            display: flex;
            gap: 8px;
            align-items: flex-start;
            font-size: .9rem;
            line-height: 1.6;
            padding: 4px 0;
            color: var(--text-weak);
        }

        .pricing-card.featured .pricing-list li {
            color: rgba(255, 255, 255, .85);
        }

        .pricing-list li svg {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            margin-top: 4px;
            color: var(--success);
        }

        .pricing-card.featured .pricing-list li svg {
            color: var(--accent);
        }

        .pricing-card .btn {
            width: 100%;
        }

        /* ===== News ===== */
        .news {
            background: var(--bg);
            padding: 80px 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

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

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

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

        .news-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(13, 125, 89, .9);
            color: #fff;
            font-size: .75rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .news-body {
            padding: 20px 22px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .news-body h3 {
            font-size: 1rem;
            line-height: 1.5;
            margin-bottom: 8px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .news-body p {
            font-size: .86rem;
            color: var(--text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex-grow: 1;
        }

        .news-time {
            font-size: .82rem;
            color: var(--text-weak);
            font-variant-numeric: tabular-nums;
        }

        .news-empty {
            grid-column: 1 / -1;
            border: 2px dashed var(--border);
            border-radius: var(--radius);
            padding: 60px 20px;
            text-align: center;
            background: var(--card);
        }

        .news-empty svg {
            width: 40px;
            height: 40px;
            color: var(--primary);
            margin: 0 auto 12px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
            display: block;
        }

        .news-empty p {
            color: var(--text-weak);
            font-size: .95rem;
        }

        /* ===== CTA ===== */
        .cta {
            background: linear-gradient(135deg, #FFF4E0 0%, #FDE8C8 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta::before {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(245, 158, 11, .14) 0%, transparent 65%);
        }

        .cta h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
        }

        .cta p {
            color: var(--text-weak);
            font-size: 1rem;
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0C3B2E;
            color: rgba(255, 255, 255, .9);
            padding: 72px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand .logo-main {
            color: #fff;
            font-size: 1.3rem;
        }

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

        .footer-brand p {
            font-size: .86rem;
            color: rgba(255, 255, 255, .65);
            line-height: 1.7;
            margin: 16px 0;
            max-width: 280px;
        }

        .footer-secure {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .08);
            color: rgba(255, 255, 255, .8);
            font-size: .78rem;
            padding: 4px 14px;
            border-radius: 999px;
        }

        .footer-title {
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: #fff;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: .88rem;
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .footer-contact li {
            font-size: .88rem;
            color: rgba(255, 255, 255, .65);
            padding: 6px 0;
            line-height: 1.6;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: .82rem;
            color: rgba(255, 255, 255, .5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                justify-content: flex-start;
                padding: 80px 32px 32px;
                gap: 20px;
                box-shadow: -8px 0 24px rgba(0, 0, 0, .08);
                transition: right .3s ease;
                z-index: 99;
            }

            .nav-menu.open {
                right: 0;
            }

            .nav-link {
                font-size: 1.05rem;
                width: 100%;
                text-align: left;
                border-bottom: 1px solid var(--border);
                padding: 12px 0;
            }

            .nav-cta {
                margin-left: 0;
                margin-top: 16px;
                width: 100%;
            }

            .nav-cta .btn {
                width: 100%;
                justify-content: center;
            }

            .nav-toggle {
                display: flex;
                position: relative;
                z-index: 101;
            }

            .hero {
                min-height: auto;
            }

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

            .hero-visual {
                max-width: 560px;
            }

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

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

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

            .scenario-block.reverse .scenario-text {
                order: 0;
            }

            .scenario-block.reverse .scenario-img {
                order: 0;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }

            .pricing-card.featured {
                transform: scale(1);
            }

            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }

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

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

        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }

            .stats,
            .scenarios {
                padding: 48px 0;
            }

            .hero {
                padding: calc(var(--header-h) + 40px) 0 48px;
            }

            .hero h1 {
                font-size: clamp(1.8rem, 6vw, 2.4rem);
            }

            .hero-sub {
                font-size: .95rem;
            }

            .hero-actions {
                flex-direction: column;
            }

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

            .hero-trust {
                justify-content: flex-start;
            }

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

            .feature-card-large {
                flex-direction: column;
                padding: 24px;
            }

            .features-grid-bottom {
                grid-template-columns: 1fr;
            }

            .feature-card-small {
                padding: 24px;
            }

            .scenario-block {
                gap: 20px;
                margin-bottom: 48px;
            }

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

            .testimonials {
                grid-template-columns: 1fr;
                margin-top: 28px;
            }

            .pricing-grid {
                gap: 20px;
            }

            .pricing-card {
                padding: 28px 24px;
            }

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

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

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

            .section-title-wrap {
                margin-bottom: 28px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0D7D59;
            --primary-dark: #0A5C43;
            --primary-light: #E7F3EE;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #F7FAF9;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-secondary: #5F6B64;
            --border: #E3ECE7;
            --success: #10B981;
            --warning: #B45309;
            --error: #E11D48;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 1px 2px rgba(13, 125, 89, .06);
            --shadow-lg: 0 12px 28px rgba(13, 125, 89, .12);
            --transition: .2s ease;
            --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

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

        body {
            font-family: var(--font);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            width: min(1200px, 92vw);
            margin: 0 auto;
        }

        .section {
            padding: 72px 0;
        }

        .section-head {
            margin-bottom: 44px;
            max-width: 720px;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.2vw, 2.2rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: "";
            display: block;
            width: 4px;
            height: 28px;
            border-radius: 2px;
            background: var(--primary);
            flex-shrink: 0;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            padding-left: 16px;
            border-left: 2px solid var(--border);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            line-height: 1.4;
        }

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

        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(13, 125, 89, .25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 20px rgba(13, 125, 89, .32);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

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

        .btn-accent {
            background: var(--accent);
            color: #1E293B;
            box-shadow: 0 4px 14px rgba(245, 158, 11, .25);
        }

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

        .btn-lg {
            padding: 15px 40px;
            font-size: 1.05rem;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary-dark);
            line-height: 1.4;
        }

        .badge svg {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        /* ---- Header ---- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 250, 249, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: #fff;
            border-bottom-color: var(--border);
            box-shadow: var(--shadow);
        }

        .header-inner {
            max-width: min(1200px, 92vw);
            margin: 0 auto;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: baseline;
            gap: 6px;
            flex-shrink: 0;
        }

        .logo-main {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .02em;
        }

        .logo-sub {
            font-size: .8rem;
            font-weight: 600;
            color: var(--primary-dark);
            letter-spacing: .08em;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            font-size: .95rem;
            font-weight: 500;
            color: var(--text);
            position: relative;
            padding: 6px 2px;
            transition: color var(--transition);
        }

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

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .nav-cta {
            margin-left: 8px;
        }

        .nav-cta .btn {
            padding: 9px 22px;
            font-size: .9rem;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            transition: all var(--transition);
        }

        .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);
        }

        /* ---- Hero ---- */
        .hero {
            position: relative;
            background-color: var(--primary-light);
            background-image: linear-gradient(120deg, rgba(231, 243, 238, .94), rgba(231, 243, 238, .78)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 80px 0 88px;
            overflow: hidden;
        }

        .hero::after {
            content: "";
            position: absolute;
            right: -60px;
            top: 40%;
            width: 220px;
            height: 220px;
            border: 2px dashed rgba(13, 125, 89, .12);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .86);
            border: 1px solid rgba(13, 125, 89, .15);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: .8rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 20px;
            box-shadow: var(--shadow);
        }

        .hero h1 {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: .01em;
        }

        .hero-description {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 28px;
        }

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

        .hero-trust {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

        /* ---- Steps Section ---- */
        .steps-section {
            padding: 88px 0;
            background: var(--bg);
        }

        .steps-layout {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 56px;
            align-items: start;
        }

        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .step-item {
            display: flex;
            gap: 20px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .step-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .step-num {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1;
            color: var(--primary);
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
            min-width: 60px;
            text-align: center;
            padding-top: 4px;
        }

        .step-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .step-content p {
            font-size: .95rem;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 480px;
        }

        .sticky-card {
            position: sticky;
            top: 96px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow var(--transition);
        }

        .sticky-card:hover {
            box-shadow: var(--shadow-lg);
        }

        .sticky-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .sticky-card-body {
            padding: 24px;
            text-align: center;
        }

        .sticky-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .sticky-card-body p {
            font-size: .88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .sticky-card-body .btn {
            width: 100%;
        }

        .sticky-tip {
            margin-top: 14px;
            font-size: .8rem;
            color: var(--text-secondary);
            background: var(--primary-light);
            border-radius: 8px;
            padding: 8px 12px;
            line-height: 1.5;
        }

        /* ---- Scenarios ---- */
        .scenarios-section {
            padding: 88px 0;
            background: var(--card);
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .scenario-card {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .scenario-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .scenario-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .scenario-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .scenario-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .scenario-card-body p {
            font-size: .92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .scenario-link {
            margin-top: 16px;
            font-size: .88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .scenario-link:hover {
            color: var(--accent-dark);
        }

        .scenario-link svg {
            width: 14px;
            height: 14px;
            transition: transform var(--transition);
        }

        .scenario-link:hover svg {
            transform: translateX(4px);
        }

        /* ---- FAQ ---- */
        .faq-section {
            padding: 88px 0;
            background: var(--bg);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            text-align: left;
            transition: background var(--transition);
        }

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

        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            background: var(--primary);
            border-radius: 2px;
            transition: all .25s ease;
        }

        .faq-icon::before {
            width: 16px;
            height: 2px;
            transform: translate(-50%, -50%);
        }

        .faq-icon::after {
            width: 2px;
            height: 16px;
            transform: translate(-50%, -50%);
        }

        .faq-item.open .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: .92rem;
            line-height: 1.7;
            color: var(--text-secondary);
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin: 0 24px 20px 24px;
            padding-left: 0;
            padding-right: 0;
            padding-bottom: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
        }

        /* ---- CTA ---- */
        .cta-section {
            background: var(--primary-dark);
            background-image: linear-gradient(135deg, rgba(10, 92, 67, .96), rgba(13, 125, 89, .92)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            left: -80px;
            bottom: -120px;
            width: 280px;
            height: 280px;
            border: 2px solid rgba(255, 255, 255, .08);
            border-radius: 50%;
        }

        .cta-inner {
            max-width: 640px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 28px;
        }

        .cta-inner .btn-primary {
            background: var(--accent);
            color: #1E293B;
            box-shadow: 0 6px 20px rgba(0, 0, 0, .15);
        }

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

        /* ---- Footer ---- */
        .site-footer {
            background: #0C3B2E;
            color: rgba(255, 255, 255, .9);
            padding-top: 64px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

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

        .footer-brand .logo .logo-sub {
            color: rgba(255, 255, 255, .7);
        }

        .footer-brand p {
            font-size: .85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            margin: 16px 0;
            max-width: 300px;
        }

        .footer-secure {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .78rem;
            color: rgba(255, 255, 255, .7);
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            padding: 6px 14px;
        }

        .footer-title {
            font-size: .95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-links,
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a,
        .footer-contact li {
            font-size: .85rem;
            color: rgba(255, 255, 255, .65);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: .82rem;
            color: rgba(255, 255, 255, .5);
        }

        /* ---- Mobile Menu ---- */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 24px 4vw;
            box-shadow: 0 12px 28px rgba(13, 125, 89, .12);
            border-bottom: 1px solid var(--border);
            z-index: 99;
            flex-direction: column;
            gap: 16px;
        }

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

        .mobile-menu .nav-link {
            font-size: 1.1rem;
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu .btn {
            width: 100%;
            margin-top: 8px;
        }

        /* ---- Responsive ---- */
        @media (max-width: 1023px) {
            .nav-menu {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero {
                padding: 64px 0;
            }

            .hero-inner {
                text-align: center;
                margin: 0 auto;
            }

            .hero-description {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-trust {
                justify-content: center;
            }

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

            .sticky-card {
                position: static;
            }

            .sticky-card img {
                height: 180px;
            }

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

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

        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }

            .container {
                width: 92vw;
            }

            .logo-main {
                font-size: 1.3rem;
            }

            .logo-sub {
                font-size: .7rem;
            }

            .hero {
                padding: 48px 0 56px;
                background-image: linear-gradient(160deg, rgba(231, 243, 238, .96), rgba(231, 243, 238, .88)), url('/assets/images/backpic/back-1.png');
            }

            .hero h1 {
                font-size: 1.9rem;
            }

            .hero-description {
                font-size: .95rem;
            }

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

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

            .step-item {
                flex-direction: column;
                padding: 20px;
            }

            .step-num {
                min-width: 0;
                text-align: left;
            }

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

            .scenario-card img {
                height: 160px;
            }

            .faq-question {
                padding: 14px 18px;
                font-size: .95rem;
            }

            .faq-answer-inner {
                margin: 0 18px 16px;
                padding-top: 14px;
                font-size: .88rem;
            }

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

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

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

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

        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .section-title {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-subtitle {
                padding-left: 0;
                border-left: none;
                font-size: .92rem;
            }

            .steps-layout {
                gap: 24px;
            }

            .sticky-card-body .btn {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
            --primary: #0D7D59;
            --primary-dark: #0A5C43;
            --primary-light: #E7F3EE;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #F7FAF9;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-muted: #5F6B64;
            --border: #E3ECE7;
            --success: #10B981;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 1px 2px rgba(13, 125, 89, .06);
            --shadow-lg: 0 12px 28px rgba(13, 125, 89, .12);
            --container: min(1200px, 92vw);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: var(--container);
            margin-inline: auto;
            padding-inline: 24px;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
        }

        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            max-width: var(--container);
            margin-inline: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding-inline: 24px;
        }
        .logo {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
            gap: 2px;
        }
        .logo-main {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary-dark);
            letter-spacing: .02em;
        }
        .logo-sub {
            font-size: .75rem;
            color: var(--primary);
            letter-spacing: .06em;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text);
            padding: 6px 2px;
            position: relative;
            transition: color .2s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--accent-dark);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-cta {
            margin-left: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: .95rem;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all .2s ease;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(245, 158, 11, .3);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
        }
        .btn:focus-visible,
        .nav-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 0;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            margin: 4px 0;
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .article-main {
            padding: 56px 0 96px;
            background: linear-gradient(180deg, var(--primary-light) 0%, var(--bg) 260px);
        }
        .article-wrap {
            max-width: 1000px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: .875rem;
            color: var(--text-muted);
            margin-bottom: 28px;
        }
        .breadcrumb a {
            transition: color .2s ease;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 260px;
        }

        .article-detail {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 48px 48px 40px;
            box-shadow: var(--shadow);
            margin-bottom: 48px;
        }
        .article-header {
            margin-bottom: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border);
        }
        .article-header h1 {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            line-height: 1.35;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 18px;
            word-break: break-word;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: .875rem;
            color: var(--text-muted);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .meta-badge {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 2px 14px;
            border-radius: 999px;
            font-size: .8125rem;
        }

        .article-body {
            font-size: 1rem;
            color: var(--text);
            line-height: 1.9;
        }
        .article-body>*+* {
            margin-top: 1.25em;
        }
        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text);
            margin-top: 1.6em;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.35;
        }
        .article-body h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--text);
            margin-top: 1.4em;
        }
        .article-body p {
            line-height: 1.9;
        }
        .article-body img {
            border-radius: 12px;
            margin: .5em 0 0;
            width: 100%;
            height: auto;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 20px;
            border-radius: 0 10px 10px 0;
            color: var(--text);
            font-style: italic;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin: .5em 0;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--accent-dark);
        }
        .article-body code {
            background: var(--primary-light);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: .9em;
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        }
        .article-body pre {
            background: #0C3B2E;
            color: #fff;
            padding: 20px 24px;
            border-radius: 12px;
            overflow-x: auto;
            line-height: 1.6;
        }
        .article-body pre code {
            background: transparent;
            padding: 0;
            color: #fff;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1em 0;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
            font-size: .95rem;
        }
        .article-body th {
            background: var(--primary-light);
            font-weight: 700;
        }

        .related-posts {
            margin-bottom: 48px;
        }
        .related-posts>h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 26px;
            position: relative;
            padding-left: 14px;
        }
        .related-posts>h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 22px;
            background: var(--primary);
            border-radius: 4px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: transform .2s ease, box-shadow .2s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
        .related-card .tag {
            display: inline-flex;
            align-self: flex-start;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: .75rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 999px;
        }
        .related-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
        }
        .related-card h3 a {
            transition: color .2s ease;
        }
        .related-card h3 a:hover {
            color: var(--primary);
        }
        .related-card .related-date {
            font-size: .875rem;
            color: var(--text-muted);
            margin-top: auto;
        }

        .article-back {
            text-align: center;
            margin-top: 8px;
        }

        .article-not-found {
            padding: 80px 0 40px;
            text-align: center;
        }
        .not-found-card {
            background: var(--card);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            padding: 64px 32px;
            max-width: 560px;
            margin-inline: auto;
            box-shadow: var(--shadow);
        }
        .not-found-card svg {
            margin-bottom: 16px;
        }
        .not-found-card h1 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text);
        }
        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        .site-footer {
            background: #0C3B2E;
            color: rgba(255, 255, 255, .9);
            padding: 56px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo .logo-main {
            color: #fff;
        }
        .footer-brand .logo .logo-sub {
            color: rgba(255, 255, 255, .7);
        }
        .footer-brand p {
            font-size: .95rem;
            margin-top: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .7);
        }
        .footer-secure {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .1);
            padding: 5px 14px;
            border-radius: 999px;
            font-size: .8125rem;
            color: #A7D7C4;
            margin-top: 16px;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-links {
            display: grid;
            gap: 10px;
            font-size: .925rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .7);
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .footer-contact {
            display: grid;
            gap: 10px;
            font-size: .925rem;
            color: rgba(255, 255, 255, .7);
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, .12);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
        }

        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .article-main {
                padding: 36px 0 72px;
            }
            .article-detail {
                padding: 28px 20px;
            }
            .nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 32px 36px;
                gap: 20px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
                transform: translateY(-130%);
                transition: transform .3s ease;
                border-bottom: 1px solid var(--border);
            }
            .nav-menu.open {
                transform: translateY(0);
            }
            .nav-cta {
                margin-left: 0;
                width: 100%;
            }
            .nav-cta .btn {
                width: 100%;
            }
            .nav-toggle {
                display: block;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .breadcrumb .current {
                max-width: 180px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-inline: 18px;
            }
            .header-inner {
                padding-inline: 18px;
            }
            .logo-main {
                font-size: 1.2rem;
            }
            .article-detail {
                padding: 22px 16px;
            }
            .article-body {
                font-size: 1rem;
            }
            .article-body table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0D7D59;
  --primary-dark: #0A5C43;
  --primary-deeper: #0C3B2E;
  --primary-light: #E7F3EE;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --bg: #F7FAF9;
  --card: #FFFFFF;
  --text: #1E293B;
  --text-secondary: #5F6B64;
  --border: #E3ECE7;
  --success: #10B981;
  --warning: #B45309;
  --error: #E11D48;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(13,125,89,.06);
  --shadow-hover: 0 12px 28px rgba(13,125,89,.12);
  --transition: .2s ease;
  --container: min(1200px, 92vw);
  --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; }
ul, ol { list-style: none; }

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  padding: 11px 28px;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(13,125,89,.25);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  border-color: var(--primary-dark);
  color: var(--primary-dark);
}
.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.8);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.15);
  border-color: #fff;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(245,158,11,.3);
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: 72px;
  transition: box-shadow .3s ease;
}
.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(13,125,89,.08);
}
.header-inner {
  max-width: var(--container);
  height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}
.logo-main {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .02em;
}
.logo-sub {
  font-size: .75rem;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: .01em;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: .95rem;
  color: var(--text);
  font-weight: 500;
  position: relative;
  padding: 6px 2px;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--primary); }
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-cta {
  margin-left: 8px;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero / 安全横幅 ===== */
.security-hero {
  background-color: var(--primary-dark);
  background-image:
    radial-gradient(circle at 85% 20%, rgba(245,158,11,.14) 0, transparent 42%),
    radial-gradient(circle at 15% 85%, rgba(255,255,255,.05) 0, transparent 32%);
  position: relative;
  overflow: hidden;
  padding: 72px 0 80px;
}
.security-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.08) 0 8px, transparent 8px 16px);
}
.security-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,158,11,.14);
  color: #FCD34D;
  border: 1px solid rgba(245,158,11,.28);
  border-radius: 100px;
  padding: 6px 18px;
  font-size: .875rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.security-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.25;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .01em;
}
.security-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.85);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.security-hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.security-hero-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0,0,0,.25);
}
.security-hero-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.security-hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12,59,46,0) 60%, rgba(12,59,46,.4) 100%);
}

/* ===== Section heading ===== */
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .8125rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== 安全服务卡片（瀑布流） ===== */
.security-services {
  padding: 88px 0 72px;
}
.security-grid {
  column-count: 2;
  column-gap: 28px;
  margin-top: 8px;
}
.security-card {
  break-inside: avoid;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 32px;
  margin-bottom: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.security-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.security-card-lg { min-height: 280px; }
.security-card-sm { min-height: 210px; }
.security-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
  transition: all var(--transition);
}
.security-card:hover .security-card-icon {
  background: var(--primary);
  color: #fff;
}
.security-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}
.security-card p {
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.75;
}

/* ===== 安全洞察图文区 ===== */
.security-insight {
  padding: 0 0 88px;
}
.security-insight-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow);
}
.security-insight-image {
  border-radius: 14px;
  overflow: hidden;
}
.security-insight-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}
.security-insight-text h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.35;
}
.security-insight-text p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

/* ===== 统计数字条 ===== */
.security-stats {
  background: var(--primary-light);
  padding: 64px 0;
}
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
  margin-bottom: 40px;
}
.stat-item {
  padding: 10px 0;
}
.stat-num {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-label {
  display: block;
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: .875rem;
  font-weight: 500;
}
.stats-cta-wrap {
  text-align: center;
}
.stats-cta-wrap .btn {
  min-width: 200px;
}

/* ===== FAQ ===== */
.security-faq {
  padding: 88px 0 72px;
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition);
}
.faq-item.active {
  border-color: var(--primary);
  background: var(--primary-light);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  transition: transform .3s ease;
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.7;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
}

/* ===== 最终 CTA ===== */
.security-cta {
  background-color: var(--primary-deeper);
  background-image:
    radial-gradient(circle at 12% 100%, rgba(245,158,11,.08) 0, transparent 35%);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.security-cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}
.security-cta p {
  color: rgba(255,255,255,.78);
  font-size: 1rem;
  margin-bottom: 28px;
}
.security-cta .btn {
  min-width: 220px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-deeper);
  color: rgba(255,255,255,.9);
  padding: 64px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo-main {
  color: #fff;
}
.footer-brand .logo-sub {
  color: rgba(255,255,255,.6);
}
.footer-brand p {
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(255,255,255,.65);
  margin-bottom: 16px;
  max-width: 320px;
}
.footer-secure {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8125rem;
  color: rgba(255,255,255,.75);
  background: rgba(255,255,255,.08);
  border-radius: 100px;
  padding: 6px 14px;
}
.footer-title {
  font-size: .9375rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .02em;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: .875rem;
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-contact li {
  font-size: .875rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 10px;
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .8125rem;
  color: rgba(255,255,255,.5);
}

/* ===== 焦点可见性 ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .security-hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .security-hero-image img {
    height: 260px;
  }
  .security-insight-inner {
    grid-template-columns: 1fr;
    padding: 28px;
  }
  .security-insight-image img {
    height: 220px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .site-header {
    height: 64px;
  }
  .header-inner {
    height: 64px;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 20px 24px 24px;
    box-shadow: 0 12px 24px rgba(13,125,89,.08);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-link {
    font-size: 1.05rem;
    padding: 8px 0;
    width: 100%;
  }
  .nav-link.active::after {
    display: none;
  }
  .nav-link.active {
    background: var(--primary-light);
    border-radius: 8px;
    padding: 8px 14px;
  }
  .nav-cta {
    margin: 8px 0 0;
    width: 100%;
  }
  .nav-cta .btn {
    width: 100%;
  }
  .security-hero {
    padding: 48px 0 56px;
  }
  .security-hero h1 {
    font-size: 1.65rem;
  }
  .security-hero p {
    font-size: .95rem;
  }
  .security-hero-actions {
    flex-direction: column;
  }
  .security-hero-actions .btn {
    width: 100%;
  }
  .security-hero-image img {
    height: 200px;
  }
  .security-services {
    padding: 60px 0 48px;
  }
  .security-grid {
    column-count: 1;
  }
  .security-card {
    padding: 24px;
  }
  .security-card-lg,
  .security-card-sm {
    min-height: 0;
  }
  .security-insight {
    padding: 0 0 60px;
  }
  .security-insight-inner {
    padding: 20px;
    gap: 24px;
  }
  .security-insight-image img {
    height: 180px;
  }
  .security-stats {
    padding: 48px 0;
  }
  .stats-bar {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .security-faq {
    padding: 60px 0 48px;
  }
  .security-cta {
    padding: 56px 0;
  }
  .security-cta .btn {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 16px 0;
  }
}

@media (max-width: 520px) {
  .logo-sub {
    display: none;
  }
  .security-hero p {
    font-size: .9rem;
  }
  .section-head h2 {
    font-size: 1.4rem;
  }
  .faq-question {
    font-size: .9375rem;
    padding: 16px 18px;
  }
  .faq-answer {
    padding: 0 18px;
    font-size: .875rem;
  }
  .faq-item.active .faq-answer {
    padding: 0 18px 16px;
  }
}

/* roulang page: category3 */
:root {
            --primary: #0D7D59;
            --primary-dark: #0A5C43;
            --primary-light: #E7F3EE;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #F7FAF9;
            --card: #FFFFFF;
            --text: #1E293B;
            --text-muted: #5F6B64;
            --border: #E3ECE7;
            --success: #10B981;
            --warning: #B45309;
            --error: #E11D48;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 1px 2px rgba(13, 125, 89, .06);
            --shadow-hover: 0 12px 28px rgba(13, 125, 89, .12);
            --transition: .2s ease;
            --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        .container {
            max-width: min(1200px, 92vw);
            margin: 0 auto;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 18px rgba(13, 125, 89, .08);
        }
        .header-inner {
            max-width: min(1200px, 92vw);
            margin: 0 auto;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: baseline;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-main {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: .5px;
        }
        .logo-sub {
            font-size: .78rem;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: .3px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: flex-end;
        }
        .nav-link {
            font-size: .95rem;
            font-weight: 500;
            color: var(--text);
            position: relative;
            padding: 6px 2px;
            transition: color var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-cta {
            margin-left: 4px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: .95rem;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(13, 125, 89, .18);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(13, 125, 89, .24);
            transform: translateY(-1px);
        }
        .btn-outline {
            border: 1.5px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(245, 158, 11, .25);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 16px rgba(245, 158, 11, .3);
            transform: translateY(-1px);
        }
        .btn-lg {
            padding: 14px 34px;
            font-size: 1.02rem;
            border-radius: 12px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            z-index: 110;
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .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);
        }

        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(231, 243, 238, .92), rgba(247, 250, 249, .96)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 72px 0 88px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            background: rgba(13, 125, 89, .06);
            border-radius: 50%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .875rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #b8ccc4;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        .hero-title {
            font-size: clamp(2.2rem, 3.4vw, 3.2rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: .5px;
            max-width: 760px;
            margin-bottom: 16px;
        }
        .hero-title .highlight {
            color: var(--primary);
        }
        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: .8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
        }
        .badge svg {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        .support-strip {
            padding: 40px 0;
            background: var(--card);
            border-bottom: 1px solid var(--border);
        }
        .support-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .support-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid transparent;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .support-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .support-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .support-icon svg {
            width: 22px;
            height: 22px;
        }
        .support-text h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .support-text p {
            font-size: .85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .timeline-section {
            padding: 80px 0;
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: .8rem;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(1.6rem, 2.2vw, 2rem);
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: calc(100% - 16px);
            background: var(--primary);
            border-radius: 4px;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: .98rem;
            max-width: 640px;
            margin-top: 12px;
        }
        .timeline-layout {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 48px;
            align-items: start;
        }
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: repeating-linear-gradient(to bottom, var(--primary) 0 6px, transparent 6px 12px);
            opacity: .4;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
        }
        .timeline-dot {
            position: absolute;
            left: -33px;
            top: 16px;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: .7rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 4px var(--primary-light);
            z-index: 1;
        }
        .timeline-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 24px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .timeline-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .timeline-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .timeline-card p {
            font-size: .92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .timeline-detail {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, margin .35s ease;
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .timeline-item.open .timeline-detail {
            max-height: 180px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px dashed var(--border);
        }
        .timeline-toggle {
            margin-top: 12px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .timeline-toggle:hover {
            color: var(--accent-dark);
        }
        .timeline-toggle .arrow {
            transition: transform .3s ease;
            display: inline-block;
        }
        .timeline-item.open .timeline-toggle .arrow {
            transform: rotate(90deg);
        }
        .timeline-aside {
            position: sticky;
            top: 96px;
        }
        .timeline-image-wrap {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 16px;
            aspect-ratio: 4/3;
            background: var(--primary-light);
        }
        .timeline-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .timeline-info-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .timeline-info-card svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .timeline-info-card p {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .faq-section {
            padding: 72px 0;
            background: var(--card);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 12px;
            background: var(--bg);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-item.open {
            border-color: var(--primary);
            background: var(--primary-light);
            box-shadow: var(--shadow);
        }
        .faq-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            user-select: none;
        }
        .faq-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            flex: 1;
        }
        .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 600;
            flex-shrink: 0;
            transition: transform .3s ease, background var(--transition), color var(--transition);
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-content-inner {
            padding: 0 22px 18px;
            font-size: .92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .help-form-section {
            padding: 80px 0;
        }
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: start;
        }
        .form-info .section-title {
            margin-bottom: 16px;
        }
        .form-info .section-desc {
            margin-bottom: 24px;
        }
        .form-list {
            list-style: none;
            display: grid;
            gap: 12px;
        }
        .form-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: .95rem;
            color: var(--text);
        }
        .form-list .check {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .form-list .check svg {
            width: 14px;
            height: 14px;
        }
        .form-note {
            margin-top: 20px;
            padding: 14px 16px;
            background: var(--primary-light);
            border-radius: 12px;
            font-size: .85rem;
            color: var(--primary-dark);
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }
        .form-note svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .form-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-size: .875rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
        .form-input,
        .form-select,
        .form-textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #D5E2DB;
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 125, 89, .12);
        }
        .form-input::placeholder,
        .form-textarea::placeholder {
            color: #a8b8b1;
        }
        .form-select {
            appearance: none;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235F6B64' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-submit {
            margin-top: 8px;
        }
        .form-submit .btn {
            width: 100%;
        }

        .cta-section {
            padding: 72px 0;
            background: var(--primary-dark);
            background-image: linear-gradient(120deg, rgba(255, 255, 255, .04) 25%, transparent 25%), linear-gradient(60deg, rgba(255, 255, 255, .03) 25%, transparent 25%);
            background-size: 40px 40px;
        }
        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.1rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .72);
            font-size: 1rem;
            margin-bottom: 24px;
        }
        .cta-inner .btn-accent {
            box-shadow: 0 4px 16px rgba(245, 158, 11, .3);
        }

        .site-footer {
            background: #0C3B2E;
            color: rgba(255, 255, 255, .9);
            padding-top: 56px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand p {
            font-size: .9rem;
            color: rgba(255, 255, 255, .68);
            margin: 16px 0;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-brand .logo .logo-main {
            color: #fff;
        }
        .footer-brand .logo .logo-sub {
            color: rgba(255, 255, 255, .6);
        }
        .footer-secure {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: .78rem;
            color: rgba(255, 255, 255, .85);
        }
        .footer-title {
            font-size: .95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            display: grid;
            gap: 10px;
        }
        .footer-links a {
            font-size: .9rem;
            color: rgba(255, 255, 255, .7);
            transition: color var(--transition), border-color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-contact {
            list-style: none;
            display: grid;
            gap: 10px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .7);
            line-height: 1.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .875rem;
            color: rgba(255, 255, 255, .55);
        }

        @media (max-width: 1024px) {
            .timeline-layout {
                grid-template-columns: 1fr;
            }
            .timeline-aside {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .timeline-info-card {
                display: flex;
            }
            .form-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 6vw 32px;
                gap: 0;
                box-shadow: 0 12px 24px rgba(13, 125, 89, .1);
                transform: translateY(-16px);
                opacity: 0;
                pointer-events: none;
                transition: all .3s ease;
                overflow-y: auto;
                max-height: calc(100vh - 64px);
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-menu .nav-link {
                font-size: 1.1rem;
                padding: 16px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .nav-menu .nav-link::after {
                display: none;
            }
            .nav-menu .nav-cta {
                margin-top: 20px;
                width: 100%;
            }
            .nav-menu .nav-cta .btn {
                width: 100%;
            }
            .hero {
                padding: 48px 0 56px;
            }
            .hero-title {
                font-size: clamp(1.8rem, 5vw, 2.4rem);
            }
            .hero-sub {
                font-size: 1rem;
            }
            .support-grid {
                grid-template-columns: 1fr;
            }
            .support-item {
                padding: 16px 20px;
            }
            .timeline-section,
            .faq-section,
            .help-form-section {
                padding: 56px 0;
            }
            .timeline-aside {
                grid-template-columns: 1fr;
            }
            .form-card {
                padding: 24px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .cta-section {
                padding: 56px 0;
            }
        }
        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .badge {
                width: 100%;
                justify-content: center;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .timeline {
                padding-left: 26px;
            }
            .timeline::before {
                left: 9px;
            }
            .timeline-dot {
                left: -29px;
                width: 22px;
                height: 22px;
                font-size: .65rem;
            }
            .timeline-card {
                padding: 18px;
            }
            .form-layout {
                gap: 28px;
            }
        }