/* roulang page: index */
:root {
            --color-deep-bg: #0f0f0f;
            --color-card-dark: #1a1a1a;
            --color-light-bg: #fafafa;
            --color-brand-purple: #7c3aed;
            --color-brand-purple-hover: #6d28d9;
            --color-accent-cyan: #06b6d4;
            --color-success-green: #10b981;
            --color-text-on-dark: #f5f5f5;
            --color-text-on-light: #171717;
            --color-text-muted-dark: rgba(255, 255, 255, 0.55);
            --color-text-muted-light: rgba(0, 0, 0, 0.55);
            --color-border-dark: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(0, 0, 0, 0.08);
            --color-nav-bg: rgba(255, 255, 255, 0.92);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --radius-hero-img: 16px;
            --shadow-card-light: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-dark: 0 1px 2px rgba(255, 255, 255, 0.04), 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-card-light-hover: 0 2px 6px rgba(0, 0, 0, 0.1), 0 8px 28px rgba(0, 0, 0, 0.08);
            --shadow-card-dark-hover: 0 2px 4px rgba(255, 255, 255, 0.06), 0 12px 36px rgba(0, 0, 0, 0.55);
            --font-zh: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "SF Pro Display", -apple-system, "Helvetica Neue", monospace;
            --transition-fast: 180ms ease-out;
            --transition-base: 220ms ease-out;
            --transition-slow: 280ms ease-out;
            --transition-slower: 350ms ease-out;
            --container-max: 1200px;
            --section-pad-y: 100px;
            --section-pad-y-lg: 130px;
        }

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

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

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.75;
            font-weight: 400;
            color: var(--color-text-on-light);
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul {
            list-style: none;
        }

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

        /* ========== NAVIGATION ========== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: var(--color-nav-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition-base), background var(--transition-base);
            display: flex;
            align-items: center;
        }
        .nav.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
            background: rgba(255, 255, 255, 0.96);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-on-light);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            display: inline-block;
            width: 10px;
            height: 24px;
            background: var(--color-brand-purple);
            border-radius: 3px;
            flex-shrink: 0;
            transform: skewX(-8deg);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: #555;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-brand-purple);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-brand-purple);
            border-radius: 2px;
            transition: width var(--transition-fast);
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta-btn {
            padding: 10px 22px;
            background: var(--color-brand-purple);
            color: #fff !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            background: var(--color-brand-purple-hover);
            transform: scale(1.03);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
        }
        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text-on-light);
            border-radius: 3px;
            transition: all var(--transition-base);
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .nav-mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: var(--color-deep-bg);
            z-index: 1001;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 32px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-slower);
        }
        .nav-mobile-overlay.open {
            opacity: 1;
            pointer-events: all;
        }
        .nav-mobile-overlay a {
            font-size: 20px;
            color: #fff;
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .nav-mobile-overlay a:hover {
            color: var(--color-brand-purple);
        }
        .nav-mobile-overlay .nav-cta-btn {
            margin-top: 8px;
            padding: 14px 36px;
            font-size: 16px;
        }

        /* ========== HERO ========== */
        .hero {
            background: var(--color-deep-bg);
            min-height: 90vh;
            display: flex;
            align-items: center;
            padding-top: 64px;
            position: relative;
            overflow: hidden;
        }
        .hero-grid-bg {
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.06;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.15) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.15) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 65%);
            -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 65%);
        }
        .hero-glow {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            filter: blur(160px);
            pointer-events: none;
            opacity: 0.18;
        }
        .hero-glow.purple {
            background: var(--color-brand-purple);
            top: -200px;
            right: -100px;
        }
        .hero-glow.cyan {
            background: var(--color-accent-cyan);
            bottom: -250px;
            left: -150px;
        }
        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-content {
            color: var(--color-text-on-dark);
        }
        .hero-content h1 {
            font-size: clamp(36px, 5.5vw, 62px);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-content h1 .highlight {
            color: var(--color-brand-purple);
            position: relative;
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-muted-dark);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--color-text-muted-dark);
            margin-bottom: 32px;
            line-height: 1.75;
            max-width: 460px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            cursor: pointer;
            font-size: 15px;
        }
        .btn-primary {
            padding: 14px 32px;
            background: var(--color-brand-purple);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-brand-purple-hover);
            transform: scale(1.02);
            box-shadow: 0 6px 24px rgba(124, 58, 237, 0.35);
        }
        .btn-outline {
            padding: 12px 28px;
            background: transparent;
            color: var(--color-brand-purple);
            border: 2px solid var(--color-brand-purple);
        }
        .btn-outline:hover {
            background: var(--color-brand-purple);
            color: #fff;
            transform: scale(1.02);
        }
        .btn-ghost {
            padding: 12px 28px;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }
        .btn-ghost:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: scale(1.02);
        }
        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-hero-img);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }
        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-hero-img);
        }
        .hero-image-overlay {
            position: absolute;
            inset: 0;
            border-radius: var(--radius-hero-img);
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.2) 0%, rgba(6, 182, 212, 0.15) 100%);
            pointer-events: none;
        }

        /* ========== METRICS ========== */
        .metrics {
            background: var(--color-light-bg);
            padding: var(--section-pad-y) 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            text-align: center;
        }
        .metric-item {
            padding: 32px 20px;
            position: relative;
        }
        .metric-item::after {
            content: '';
            position: absolute;
            right: 0;
            top: 15%;
            height: 70%;
            width: 1px;
            background: rgba(0, 0, 0, 0.1);
        }
        .metric-item:last-child::after {
            display: none;
        }
        .metric-number {
            font-family: var(--font-num);
            font-size: clamp(40px, 5vw, 60px);
            font-weight: 800;
            color: var(--color-accent-cyan);
            line-height: 1;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
            font-feature-settings: "tnum";
            letter-spacing: -0.02em;
        }
        .metric-unit {
            font-size: 20px;
            color: var(--color-accent-cyan);
            font-weight: 600;
            display: inline-block;
            margin-left: 2px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--color-text-muted-light);
            margin-top: 8px;
            font-weight: 400;
        }

        /* ========== SERVICES ========== */
        .services {
            background: var(--color-deep-bg);
            padding: var(--section-pad-y-lg) 0;
            color: var(--color-text-on-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-header h2 {
            font-size: clamp(28px, 3.8vw, 40px);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 12px;
        }
        .section-header .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted-dark);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-header.light h2 {
            color: var(--color-text-on-light);
        }
        .section-header.light .section-subtitle {
            color: var(--color-text-muted-light);
        }
        .services-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 24px;
            align-items: stretch;
        }
        .services-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .service-card {
            background: var(--color-card-dark);
            border: 1px solid transparent;
            border-radius: var(--radius-card);
            padding: 32px;
            transition: all var(--transition-slow);
            cursor: pointer;
            position: relative;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card-dark);
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-dark-hover);
            border-color: rgba(124, 58, 237, 0.5);
        }
        .service-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(124, 58, 237, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .service-card-icon svg {
            width: 20px;
            height: 20px;
            color: var(--color-brand-purple);
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }
        .service-card p {
            font-size: 15px;
            color: var(--color-text-muted-dark);
            line-height: 1.65;
            margin-bottom: 16px;
            flex-grow: 1;
        }
        .service-card-arrow {
            font-size: 18px;
            color: var(--color-brand-purple);
            transition: transform var(--transition-fast);
            align-self: flex-start;
            font-weight: 600;
        }
        .service-card:hover .service-card-arrow {
            transform: translateX(6px);
        }
        .service-card.featured {
            background: var(--color-card-dark);
            border: 1px solid rgba(124, 58, 237, 0.2);
        }
        .service-card.featured .service-card-img {
            width: 100%;
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 20px;
            aspect-ratio: 16 / 10;
        }
        .service-card.featured .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 8px;
        }

        /* ========== COMPARE ========== */
        .compare {
            background: var(--color-light-bg);
            padding: var(--section-pad-y) 0;
        }
        .compare-panels {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }
        .compare-panel {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card-light);
            border: 1px solid var(--color-border-light);
        }
        .compare-panel.winner {
            border-left: 4px solid var(--color-brand-purple);
            position: relative;
        }
        .compare-panel.winner::after {
            content: '推荐';
            position: absolute;
            top: -14px;
            right: 24px;
            background: var(--color-brand-purple);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }
        .compare-panel h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 24px;
            text-align: center;
            color: var(--color-text-on-light);
        }
        .compare-panel.winner h3 {
            color: var(--color-brand-purple);
        }
        .compare-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            font-size: 15px;
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row .label {
            color: var(--color-text-muted-light);
        }
        .compare-row .value {
            font-weight: 600;
            color: var(--color-text-on-light);
        }
        .compare-panel.winner .compare-row .value.highlight-green {
            color: var(--color-success-green);
            font-weight: 700;
        }

        /* ========== FAQ ========== */
        .faq {
            background: var(--color-light-bg);
            padding: var(--section-pad-y) 0;
            padding-top: 30px;
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 20px 0;
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-on-light);
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--color-brand-purple);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
            font-size: 16px;
            color: var(--color-brand-purple);
            font-weight: 600;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(124, 58, 237, 0.2);
        }
        .faq-answer-wrap {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slower) cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-answer {
            padding-bottom: 20px;
            font-size: 16px;
            color: var(--color-text-muted-light);
            line-height: 1.75;
        }

        /* ========== CONTACT ========== */
        .contact {
            background: var(--color-deep-bg);
            padding: var(--section-pad-y-lg) 0;
            color: var(--color-text-on-dark);
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .contact-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            position: relative;
        }
        .contact-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .contact-image-overlay {
            position: absolute;
            inset: 0;
            border-radius: var(--radius-card);
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.25) 0%, rgba(6, 182, 212, 0.1) 100%);
            pointer-events: none;
        }
        .contact-form-wrap h2 {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 8px;
        }
        .contact-form-wrap .contact-subtitle {
            font-size: 16px;
            color: var(--color-text-muted-dark);
            margin-bottom: 28px;
        }
        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .contact-form input,
        .contact-form textarea {
            background: var(--color-card-dark);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            color: #fff;
            font-size: 15px;
            transition: border-color var(--transition-fast);
            width: 100%;
        }
        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--color-brand-purple);
            outline: none;
        }
        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .contact-form textarea {
            resize: vertical;
            min-height: 90px;
        }
        .contact-form .btn-primary {
            width: fit-content;
            padding: 14px 36px;
            font-size: 15px;
            margin-top: 4px;
        }
        .contact-privacy {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            margin-top: 6px;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--color-deep-bg);
            padding: 56px 0 28px;
            color: var(--color-text-on-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-logo {
            color: #fff;
            font-size: 22px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-muted-dark);
            line-height: 1.7;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--color-text-muted-dark);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-brand-purple);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== FADE-IN-UP ========== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 600ms ease-out, transform 600ms ease-out;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .nav-inner {
                padding-left: 20px;
                padding-right: 20px;
            }
            .hero .container {
                gap: 36px;
            }
            .services-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .services-left {
                gap: 20px;
            }
        }

        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-content {
                order: 1;
            }
            .hero-image-wrap {
                order: 0;
                max-width: 500px;
                margin: 0 auto;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero {
                min-height: auto;
                padding: 100px 0 60px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0;
            }
            .metric-item:nth-child(2)::after {
                display: none;
            }
            .compare-panels {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .contact-image {
                max-width: 450px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-mobile-overlay {
                display: flex;
            }
            .hero {
                min-height: 80vh;
                padding: 80px 0 50px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metric-item::after {
                display: none;
            }
            .metric-number {
                font-size: 36px;
            }
            .services-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .services-left {
                gap: 20px;
            }
            .service-card {
                padding: 24px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .compare-panel {
                padding: 24px 20px;
            }
            .faq-question {
                font-size: 16px;
                padding: 16px 0;
            }
            .contact-form-wrap h2 {
                font-size: 26px;
            }
            .contact-form .btn-primary {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-header {
                margin-bottom: 40px;
            }
            :root {
                --section-pad-y: 70px;
                --section-pad-y-lg: 80px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-inner {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .metric-item {
                padding: 20px 16px;
            }
            .metric-number {
                font-size: 40px;
            }
            .services-grid {
                gap: 16px;
            }
            .services-left {
                gap: 16px;
            }
            .service-card {
                padding: 20px;
            }
            .service-card h3 {
                font-size: 18px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .btn {
                font-size: 14px;
            }
            .btn-primary {
                padding: 12px 24px;
                width: 100%;
            }
            .btn-outline,
            .btn-ghost {
                padding: 10px 20px;
                width: 100%;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .compare-panel {
                padding: 20px 16px;
            }
            .compare-row {
                font-size: 13px;
                flex-wrap: wrap;
                gap: 4px;
            }
            .faq-question {
                font-size: 15px;
            }
            .faq-answer {
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-brand .nav-logo {
                justify-content: center;
            }
            :root {
                --section-pad-y: 56px;
                --section-pad-y-lg: 64px;
            }
            .nav-mobile-overlay a {
                font-size: 18px;
            }
            .contact-form-wrap h2 {
                font-size: 22px;
            }
        }