/* roulang page: index */
:root {
            --color-carbon: #1C1B1F;
            --color-carbon-light: #2A282D;
            --color-silver: #C0C5CE;
            --color-electric: #FF5A1F;
            --color-electric-hover: #FF7B4D;
            --color-data-start: #4B50E6;
            --color-data-end: #7B61FF;
            --color-border-subtle: rgba(255, 255, 255, 0.06);
            --color-border-hover: rgba(255, 255, 255, 0.16);
            --color-text-weak: rgba(192, 197, 206, 0.6);
            --radius-card: 12px;
            --radius-btn: 40px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 36px rgba(0, 0, 0, 0.55);
            --shadow-btn-glow: 0 0 15px rgba(255, 90, 31, 0.6);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap-desktop: 120px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            background-color: var(--color-carbon);
            color: var(--color-silver);
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
            font-size: 15px;
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-electric);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-fast);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-electric);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            font-size: 15px;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== NAVIGATION ===== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(28, 27, 31, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(192, 197, 206, 0.15);
            transition: background-color var(--transition-smooth);
        }
        .site-nav.scrolled {
            background-color: rgba(28, 27, 31, 0.95);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-electric);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .nav-logo:hover {
            color: var(--color-electric-hover);
        }
        .nav-logo-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-silver);
            letter-spacing: 0.3px;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-electric);
            border-radius: 2px;
            transition: width var(--transition-fast);
        }
        .nav-links a:hover {
            color: #ffffff;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-electric);
            color: #ffffff !important;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-cta-btn:hover {
            background: var(--color-electric-hover);
            box-shadow: var(--shadow-btn-glow);
            color: #ffffff !important;
        }
        .nav-cta-btn::after {
            display: none !important;
        }

        /* Hamburger */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            cursor: pointer;
            gap: 6px;
            z-index: 1001;
            padding: 4px;
        }
        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-silver);
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(28, 27, 31, 0.97);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 36px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu a {
            font-size: 22px;
            font-weight: 600;
            color: var(--color-silver);
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }
        .mobile-menu a:hover {
            color: var(--color-electric);
        }
        .mobile-menu .mobile-cta {
            background: var(--color-electric);
            color: #fff !important;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-size: 18px;
            font-weight: 600;
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 64px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(28, 27, 31, 0.55) 0%, rgba(28, 27, 31, 0.88) 60%, rgba(28, 27, 31, 0.96) 100%);
            z-index: 1;
        }
        .hero-canvas {
            position: absolute;
            inset: 0;
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 1280px;
            margin: 0 auto;
            padding: 60px 24px;
            width: 100%;
        }
        .hero-inner {
            max-width: 600px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 90, 31, 0.15);
            color: var(--color-electric);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.8px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 90, 31, 0.3);
        }
        .hero-h1 {
            font-size: 48px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-h1 .highlight {
            color: var(--color-electric);
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--color-silver);
            line-height: 1.7;
            margin-bottom: 36px;
            opacity: 0.9;
            max-width: 480px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-electric);
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            text-decoration: none;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-electric-hover);
            box-shadow: var(--shadow-btn-glow);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--color-silver);
            font-weight: 500;
            font-size: 15px;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            text-decoration: none;
            border: 1.5px solid rgba(192, 197, 206, 0.4);
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: rgba(192, 197, 206, 0.1);
            border-color: rgba(192, 197, 206, 0.7);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            animation: bounceDown 2s ease-in-out infinite;
            cursor: pointer;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1.5px solid rgba(192, 197, 206, 0.4);
            transition: all var(--transition-fast);
        }
        .hero-scroll-indicator:hover {
            border-color: var(--color-electric);
            background: rgba(255, 90, 31, 0.1);
        }
        .hero-scroll-indicator svg {
            width: 16px;
            height: 16px;
            stroke: var(--color-silver);
            fill: none;
            stroke-width: 2;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(10px);
            }
        }

        /* ===== SECTION COMMONS ===== */
        .section {
            padding: var(--section-gap-desktop) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-electric);
            margin-bottom: 12px;
        }
        .section-h2 {
            font-size: 32px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-weak);
            max-width: 560px;
            line-height: 1.7;
        }

        /* ===== STATS ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: linear-gradient(135deg, rgba(75, 80, 230, 0.12) 0%, rgba(123, 97, 255, 0.06) 100%);
            border: 1px solid rgba(123, 97, 255, 0.2);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(123, 97, 255, 0.08);
            pointer-events: none;
        }
        .stat-number {
            font-size: 56px;
            font-weight: 700;
            color: var(--color-electric);
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            letter-spacing: -1px;
            line-height: 1;
            position: relative;
            z-index: 1;
        }
        .stat-label {
            font-size: 14px;
            color: var(--color-silver);
            margin-top: 10px;
            font-weight: 500;
            letter-spacing: 0.3px;
            position: relative;
            z-index: 1;
        }

        /* ===== SERVICES ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-carbon-light);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            background: #302E34;
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .service-card.col-4 {
            grid-column: span 4;
        }
        .service-card.col-4-offset-1 {
            grid-column: 3 / span 4;
        }
        .service-card.col-4-offset-2 {
            grid-column: 7 / span 4;
        }
        .service-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            margin-bottom: 18px;
            transition: background var(--transition-fast);
        }
        .service-card:hover .service-icon {
            background: rgba(255, 90, 31, 0.12);
        }
        .service-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-silver);
            fill: none;
            stroke-width: 1.8;
            transition: stroke var(--transition-fast);
        }
        .service-card:hover .service-icon svg {
            stroke: var(--color-electric);
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 500;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: 0.2px;
        }
        .service-card .service-desc {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .service-card .service-metric {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-electric);
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        .service-card .service-metric-unit {
            font-size: 13px;
            font-weight: 400;
            color: var(--color-text-weak);
            margin-left: 2px;
        }

        /* ===== COMPARISON ===== */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 16px;
        }
        .comparison-table th {
            text-align: left;
            padding: 12px 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--color-text-weak);
            text-transform: uppercase;
        }
        .comparison-table td {
            padding: 16px;
            vertical-align: middle;
        }
        .comparison-table .dim-label {
            font-weight: 600;
            color: #ffffff;
            font-size: 15px;
            white-space: nowrap;
            width: 80px;
        }
        .comparison-bar-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
        }
        .comparison-bar-label {
            font-size: 12px;
            color: var(--color-text-weak);
            white-space: nowrap;
            width: 64px;
            text-align: right;
            flex-shrink: 0;
        }
        .comparison-bar-track {
            flex: 1;
            height: 10px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 5px;
            overflow: hidden;
            position: relative;
        }
        .comparison-bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .comparison-bar-fill.traditional {
            background: rgba(192, 197, 206, 0.35);
        }
        .comparison-bar-fill.huati {
            background: var(--color-electric);
            box-shadow: 0 0 8px rgba(255, 90, 31, 0.4);
        }
        .comparison-source {
            font-size: 12px;
            color: var(--color-text-weak);
            margin-top: 16px;
            font-style: italic;
            letter-spacing: 0.3px;
            opacity: 0.7;
        }
        .comparison-visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .comparison-visual img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--color-carbon-light);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item.active {
            background: #302E34;
            border-color: rgba(255, 255, 255, 0.14);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            letter-spacing: 0.3px;
            gap: 16px;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
        }
        .faq-item.active .faq-icon {
            background: rgba(255, 90, 31, 0.2);
            transform: rotate(45deg);
        }
        .faq-icon svg {
            width: 14px;
            height: 14px;
            stroke: var(--color-silver);
            fill: none;
            stroke-width: 2.5;
            transition: stroke var(--transition-fast);
        }
        .faq-item.active .faq-icon svg {
            stroke: var(--color-electric);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            color: var(--color-silver);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(28, 27, 31, 0.8);
            z-index: 1;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-card {
            max-width: 520px;
            margin: 0 auto;
            background: var(--color-carbon-light);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 44px 36px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            text-align: center;
        }
        .cta-card h2 {
            font-size: 26px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }
        .cta-card .cta-sub {
            font-size: 14px;
            color: var(--color-text-weak);
            margin-bottom: 28px;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
            text-align: left;
        }
        .cta-form input[type="tel"] {
            width: 100%;
            padding: 14px 18px;
            border-radius: 10px;
            border: 1.5px solid rgba(192, 197, 206, 0.25);
            background: rgba(255, 255, 255, 0.04);
            color: #ffffff;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
        }
        .cta-form input[type="tel"]:focus {
            outline: none;
            border-color: var(--color-electric);
            background: rgba(255, 90, 31, 0.05);
            box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.08);
        }
        .cta-form input[type="tel"]::placeholder {
            color: rgba(192, 197, 206, 0.4);
        }
        .cta-checkbox-row {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-weak);
        }
        .cta-checkbox-row input[type="checkbox"] {
            accent-color: var(--color-electric);
            width: 16px;
            height: 16px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .cta-checkbox-row label {
            cursor: pointer;
            user-select: none;
        }
        .cta-submit-btn {
            width: 100%;
            padding: 15px;
            background: var(--color-electric);
            color: #ffffff;
            font-weight: 600;
            font-size: 16px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .cta-submit-btn:hover {
            background: var(--color-electric-hover);
            box-shadow: var(--shadow-btn-glow);
            transform: translateY(-2px);
        }
        .cta-success-msg {
            display: none;
            text-align: center;
            padding: 20px;
            color: #4ade80;
            font-weight: 600;
            font-size: 15px;
        }
        .cta-success-msg.show {
            display: block;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            border-top: 1px solid rgba(192, 197, 206, 0.12);
            padding: 40px 0;
            background: var(--color-carbon);
        }
        .footer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-copy {
            font-size: 13px;
            color: var(--color-text-weak);
            letter-spacing: 0.3px;
        }
        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--color-text-weak);
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .footer-links a:hover {
            color: var(--color-electric);
        }
        .footer-social {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .footer-social-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 1px solid rgba(192, 197, 206, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .footer-social-icon:hover {
            border-color: var(--color-electric);
            background: rgba(255, 90, 31, 0.08);
        }
        .footer-social-icon svg {
            width: 15px;
            height: 15px;
            stroke: var(--color-text-weak);
            fill: none;
            stroke-width: 1.8;
            transition: stroke var(--transition-fast);
        }
        .footer-social-icon:hover svg {
            stroke: var(--color-electric);
        }
        .footer-bottom-line {
            text-align: center;
            font-size: 11px;
            color: rgba(192, 197, 206, 0.35);
            margin-top: 24px;
            letter-spacing: 0.5px;
            padding: 0 24px;
        }

        /* ===== MODAL ===== */
        .modal-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 2000;
            align-items: center;
            justify-content: center;
        }
        .modal-overlay.show {
            display: flex;
        }
        .modal-dialog {
            background: var(--color-carbon-light);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 36px;
            max-width: 480px;
            width: 90%;
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
            position: relative;
            color: var(--color-silver);
        }
        .modal-close {
            position: absolute;
            top: 12px;
            right: 16px;
            background: transparent;
            border: none;
            font-size: 24px;
            color: var(--color-silver);
            cursor: pointer;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all var(--transition-fast);
        }
        .modal-close:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }
        .modal-dialog h3 {
            font-size: 20px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .modal-dialog p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-weak);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-h1 {
                font-size: 38px;
            }
            .section-h2 {
                font-size: 26px;
            }
            .stat-number {
                font-size: 42px;
            }
            .services-grid {
                grid-template-columns: repeat(6, 1fr);
                gap: 16px;
            }
            .service-card.col-4 {
                grid-column: span 3;
            }
            .service-card.col-4-offset-1 {
                grid-column: span 3;
            }
            .service-card.col-4-offset-2 {
                grid-column: span 3;
            }
            .comparison-table {
                display: block;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .hero-h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .section-h2 {
                font-size: 24px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card:last-child {
                grid-column: 1 / -1;
            }
            .stat-number {
                font-size: 38px;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .service-card.col-4,
            .service-card.col-4-offset-1,
            .service-card.col-4-offset-2 {
                grid-column: span 1;
            }
            .service-card:last-child {
                grid-column: 1 / -1;
            }
            .service-card {
                padding: 24px 20px;
            }
            .comparison-table {
                display: block;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                white-space: nowrap;
            }
            .comparison-table td,
            .comparison-table th {
                white-space: nowrap;
                min-width: 120px;
            }
            .comparison-bar-wrap {
                min-width: 180px;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-btns .btn-primary,
            .hero-btns .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-inner {
                max-width: 100%;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-answer {
                font-size: 13px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
            .comparison-visual {
                margin-top: 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-h1 {
                font-size: 27px;
            }
            .section-h2 {
                font-size: 21px;
            }
            .stat-number {
                font-size: 32px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .services-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .service-card.col-4,
            .service-card.col-4-offset-1,
            .service-card.col-4-offset-2,
            .service-card:last-child {
                grid-column: 1 / -1;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .cta-card {
                padding: 28px 16px;
            }
            .cta-card h2 {
                font-size: 22px;
            }
            .hero-section {
                min-height: 90vh;
            }
        }