/* roulang page: index */
:root {
            --brand-blue: #1A6FE8;
            --brand-blue-dark: #155BC4;
            --brand-blue-light: #EBF3FD;
            --brand-orange: #FF5E2C;
            --brand-orange-dark: #E84A1A;
            --surface-bg: #F7F8FC;
            --surface-card: #FFFFFF;
            --surface-dark: #1A1E26;
            --surface-dark-alt: #222832;
            --text-heading: #0F1825;
            --text-body: #3A4350;
            --text-muted: #8D98A4;
            --text-footer: #B0BAC5;
            --border-color: #E9EDF2;
            --border-input: #CCD5E0;
            --success: #0EAD69;
            --warning: #F5A522;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --radius-icon: 14px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.03), 0 2px 6px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'system-ui', sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--surface-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

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

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

        /* Header & Navigation */
        #header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-smooth);
        }
        #header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        #header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-blue);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--brand-blue-dark);
        }
        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-blue) 0%, #3D8BFD 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .brand-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: var(--brand-orange);
            border-radius: 50%;
            top: 6px;
            right: 7px;
            animation: logoPulse 2s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.9;
            }
            50% {
                transform: scale(1.6);
                opacity: 0.5;
            }
        }

        #main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        #main-nav li a {
            display: block;
            padding: 8px 16px;
            border-radius: 6px;
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        #main-nav li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 20px;
            height: 2.5px;
            background: var(--brand-blue);
            border-radius: 2px;
            transition: transform var(--transition-fast);
        }
        #main-nav li a:hover,
        #main-nav li a.active {
            color: var(--brand-blue);
        }
        #main-nav li a:hover::after,
        #main-nav li a.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 28px;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            z-index: 1001;
            background: none;
            border: none;
            padding: 4px;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* Hero Section */
        #hero {
            padding-top: 64px;
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(170deg, #F0F4FB 0%, #F7F8FC 30%, #FFFFFF 100%);
        }
        #hero .hero-bg-image {
            position: absolute;
            right: -5%;
            top: 50%;
            transform: translateY(-50%);
            width: 52%;
            max-width: 700px;
            border-radius: 20px;
            opacity: 0.85;
            z-index: 1;
            pointer-events: none;
            box-shadow: 0 20px 60px rgba(26, 111, 232, 0.12);
            object-fit: cover;
        }
        #hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }
        .hero-content {
            max-width: 560px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-blue-light);
            color: var(--brand-blue);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            animation: pulseDot 1.5s ease-in-out infinite;
        }
        @keyframes pulseDot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(14, 173, 105, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(14, 173, 105, 0);
            }
        }
        #hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-heading);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        #hero h1 .highlight {
            color: var(--brand-blue);
            position: relative;
        }
        #hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 6px;
            background: var(--brand-blue-light);
            border-radius: 3px;
            z-index: -1;
            opacity: 0.7;
        }
        #hero .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            min-height: 48px;
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--brand-blue);
            color: #fff;
            border: 2px solid var(--brand-blue);
            box-shadow: 0 4px 14px rgba(26, 111, 232, 0.25);
        }
        .btn-primary:hover {
            background: var(--brand-blue-dark);
            border-color: var(--brand-blue-dark);
            box-shadow: 0 6px 20px rgba(26, 111, 232, 0.35);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--brand-blue);
            border: 2px solid var(--brand-blue);
        }
        .btn-secondary:hover {
            background: var(--brand-blue-light);
            border-color: var(--brand-blue);
            transform: translateY(-1px);
        }
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 380px;
        }

        /* Section Spacing */
        section {
            padding: 80px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-orange);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.6;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* Data Dashboard */
        #data {
            background: var(--surface-dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        #data::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        #data .container {
            position: relative;
            z-index: 1;
        }
        #data .section-label {
            color: var(--brand-orange);
        }
        #data .section-title {
            color: #FFFFFF;
        }
        #data .section-desc {
            color: #B0BAC5;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            background: var(--surface-dark-alt);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .data-card:hover {
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }
        .data-card .data-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: var(--radius-icon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }
        .data-card .data-icon.blue {
            background: rgba(26, 111, 232, 0.2);
            color: #5B9BF5;
        }
        .data-card .data-icon.orange {
            background: rgba(255, 94, 44, 0.2);
            color: #FF7D55;
        }
        .data-card .data-icon.green {
            background: rgba(14, 173, 105, 0.2);
            color: #2EC980;
        }
        .data-card .data-icon.amber {
            background: rgba(245, 165, 34, 0.2);
            color: #F7B84E;
        }
        .data-card .data-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .data-card .data-number .suffix {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--brand-orange);
        }
        .data-card .data-label {
            font-size: 0.9rem;
            color: #8D98A4;
            font-weight: 500;
        }
        .data-card .trend-up {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            color: var(--success);
            font-weight: 600;
            margin-top: 6px;
        }

        /* Services */
        #services {
            background: #FFFFFF;
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--surface-card);
            border-radius: var(--radius-card);
            padding: 0;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--border-color);
        }
        .service-card .service-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .service-card .service-body {
            padding: 24px 22px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .service-icon-mini {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-icon);
            background: rgba(255, 94, 44, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-orange);
            font-size: 1.1rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .service-card .service-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .service-card .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-blue);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
        }
        .service-card .service-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }
        .service-card:hover .service-link {
            gap: 10px;
        }
        .service-card:hover .service-link i {
            transform: translateX(3px);
        }

        /* Comparison */
        #comparison {
            background: var(--surface-bg);
        }
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .comparison-table-wrap {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .comparison-table thead th {
            text-align: left;
            padding: 12px 16px;
            font-weight: 700;
            color: var(--brand-blue);
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            border-bottom: 2px solid var(--brand-blue-light);
            white-space: nowrap;
        }
        .comparison-table tbody td {
            padding: 14px 16px;
            color: var(--text-body);
            border-bottom: 1px solid #F2F4F7;
            white-space: nowrap;
        }
        .comparison-table tbody tr:nth-child(even) td {
            background: #F9FAFB;
        }
        .comparison-table .highlight-cell {
            color: var(--brand-orange);
            font-weight: 600;
        }
        .comparison-table .check-cell {
            color: var(--success);
            font-weight: 700;
        }
        .comparison-info h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .comparison-info .highlight-text {
            color: var(--brand-orange);
        }
        .comparison-info p {
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .comparison-info .advantage-list {
            list-style: none;
            padding: 0;
            margin-top: 20px;
        }
        .comparison-info .advantage-list li {
            padding: 8px 0;
            padding-left: 28px;
            position: relative;
            color: var(--text-body);
            font-weight: 500;
        }
        .comparison-info .advantage-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 16px;
            height: 2.5px;
            background: var(--brand-orange);
            border-radius: 2px;
        }

        /* FAQ */
        #faq {
            background: #FFFFFF;
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-heading);
            text-align: left;
            cursor: pointer;
            background: none;
            border: none;
            transition: color var(--transition-fast);
            min-height: 48px;
        }
        .faq-question:hover {
            color: var(--brand-blue);
        }
        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #F2F4F7;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--brand-blue-light);
            color: var(--brand-blue);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            color: var(--text-body);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* CTA Form */
        #cta {
            background: linear-gradient(180deg, #F7F8FC 0%, #EEF2F9 100%);
            padding: 80px 0;
        }
        .cta-card {
            max-width: 600px;
            margin: 0 auto;
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
        }
        .cta-card h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-heading);
            text-align: center;
            margin-bottom: 8px;
        }
        .cta-card .cta-subtitle {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 0.95rem;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
            font-size: 0.9rem;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border-input);
            border-radius: var(--radius-input);
            font-size: 0.95rem;
            color: var(--text-heading);
            background: #FAFBFC;
            transition: all var(--transition-fast);
            outline: none;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--brand-blue);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(26, 111, 232, 0.08);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .btn-submit {
            width: 100%;
            padding: 14px 28px;
            background: var(--brand-blue);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            min-height: 48px;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 14px rgba(26, 111, 232, 0.25);
        }
        .btn-submit:hover {
            background: var(--brand-blue-dark);
            box-shadow: 0 6px 20px rgba(26, 111, 232, 0.35);
            transform: translateY(-1px);
        }

        /* Footer */
        #footer {
            background: var(--surface-dark);
            color: var(--text-footer);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-footer);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: #6B7280;
        }
        .footer-bottom .domain {
            color: #9CA3AF;
        }

        /* Mobile Menu Overlay */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .mobile-menu-overlay.show {
            display: block;
            opacity: 1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            #hero h1 {
                font-size: 2.2rem;
            }
            #hero .hero-bg-image {
                width: 45%;
                right: -3%;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            #header {
                height: 56px;
            }
            #main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #FFFFFF;
                flex-direction: column;
                padding: 80px 24px 40px;
                gap: 4px;
                box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
                transition: right var(--transition-smooth);
                z-index: 999;
                align-items: stretch;
            }
            #main-nav.open {
                right: 0;
            }
            #main-nav li a {
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: 8px;
                display: block;
                min-height: 48px;
                line-height: 1.3;
            }
            #main-nav li a::after {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu-overlay.show {
                display: block;
            }
            #hero .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            #hero .hero-content {
                max-width: 100%;
                order: 1;
            }
            #hero .hero-visual {
                order: 2;
                min-height: 240px;
            }
            #hero h1 {
                font-size: 1.9rem;
            }
            #hero .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
                max-width: 100%;
            }
            .hero-cta-group {
                justify-content: center;
            }
            #hero .hero-bg-image {
                position: relative;
                right: auto;
                top: auto;
                transform: none;
                width: 80%;
                max-width: 380px;
                margin: 0 auto;
                border-radius: 16px;
                opacity: 0.9;
            }
            section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-card {
                padding: 24px 16px;
            }
            .data-card .data-number {
                font-size: 1.8rem;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 520px) {
            #hero h1 {
                font-size: 1.6rem;
            }
            #hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.9rem;
                min-height: 44px;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-card h2 {
                font-size: 1.4rem;
            }
            .comparison-table-wrap {
                padding: 16px 12px;
            }
            .comparison-table {
                font-size: 0.8rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 8px;
            }
        }