/* roulang page: index */
:root {
            --color-primary: #1B5FC5;
            --color-primary-dark: #0D3B7A;
            --color-accent: #F37021;
            --color-accent-dark: #E06010;
            --color-aux-blue: #0D9EDA;
            --color-bg: #FAFBFC;
            --color-card-bg: #FFFFFF;
            --color-deep-bg: #0F172A;
            --color-title: #0F172A;
            --color-body: #334155;
            --color-muted: #64748B;
            --color-white: #FFFFFF;
            --color-border: #E2E8F0;
            --color-light-blue-bg: #F1F5F9;
            --color-light-blue-hover: #EBF3FC;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.1), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s ease;
            --container-max: 1200px;
            --nav-height-desktop: 64px;
            --nav-height-mobile: 56px;
            --section-gap-desktop: 100px;
            --section-gap-tablet: 70px;
            --section-gap-mobile: 56px;
            --card-padding: 28px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height-desktop);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            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;
            font-family: inherit;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            height: var(--nav-height-desktop);
            display: flex;
            align-items: center;
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
            border-bottom-color: var(--color-border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-title);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-body);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: var(--radius-btn) !important;
            font-weight: 600 !important;
            transition: all var(--transition-fast) !important;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
            box-shadow: 0 4px 14px rgba(243, 112, 33, 0.35);
            transform: translateY(-1px);
        }
        .nav-cta-btn::after {
            display: none !important;
        }
        .hamburger-btn {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-title);
            border-radius: 8px;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: var(--color-light-blue-bg);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-overlay.open {
            display: block;
            opacity: 1;
        }
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            height: 100dvh;
            background: #fff;
            z-index: 1001;
            flex-direction: column;
            padding: 24px 20px;
            gap: 8px;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
        }
        .mobile-menu-panel.open {
            display: flex;
            transform: translateX(0);
        }
        .mobile-menu-panel .close-btn {
            align-self: flex-end;
            width: 44px;
            height: 44px;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: var(--color-title);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-panel .close-btn:hover {
            background: var(--color-light-blue-bg);
        }
        .mobile-menu-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 17px;
            font-weight: 500;
            color: var(--color-title);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--color-light-blue-hover);
            color: var(--color-primary);
        }
        .mobile-menu-panel .mobile-cta {
            margin-top: auto;
            background: var(--color-accent);
            color: #fff !important;
            text-align: center;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 14px 20px !important;
        }
        .mobile-menu-panel .mobile-cta:hover {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
        }
        body.menu-open {
            overflow: hidden;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding-top: var(--section-gap-desktop);
            padding-bottom: var(--section-gap-desktop);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.25;
            color: var(--color-title);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ========== HERO ========== */
        .hero-section {
            min-height: 80vh;
            display: flex;
            align-items: center;
            padding-top: calc(var(--nav-height-desktop) + 20px);
            padding-bottom: 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(27, 95, 197, 0.04) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(243, 112, 33, 0.03) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .hero-text-area {
            max-width: 540px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-light-blue-hover);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }
        .hero-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }
        .hero-title {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.18;
            color: var(--color-title);
            margin-bottom: 16px;
        }
        .hero-title .highlight {
            color: var(--color-primary);
        }
        .hero-title .highlight-accent {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 17px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 460px;
        }
        .hero-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-image-area {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-image-area img {
            width: 100%;
            border-radius: 16px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1);
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .hero-image-area::before {
            content: '';
            position: absolute;
            top: 16px;
            left: 16px;
            right: -16px;
            bottom: -16px;
            border: 2px dashed rgba(27, 95, 197, 0.15);
            border-radius: 20px;
            z-index: -1;
            pointer-events: none;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
            min-height: 44px;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: 0 6px 20px rgba(243, 112, 33, 0.3);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-secondary:hover {
            background: var(--color-light-blue-hover);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }
        .btn-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
            border-radius: 10px;
        }

        /* ========== PAIN POINTS ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            padding: var(--card-padding);
            box-shadow: var(--shadow-card);
            border: 1px solid transparent;
            transition: all var(--transition-smooth);
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .pain-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .pain-card .pain-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: #FFF7F0;
            color: var(--color-accent);
            font-size: 22px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .pain-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-title);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .pain-card p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.65;
        }
        .pain-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--color-accent);
            border-radius: 0 0 3px 0;
            transition: height var(--transition-smooth);
        }
        .pain-card:hover::after {
            height: 40px;
        }

        /* ========== SOLUTIONS ========== */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid transparent;
            transition: all var(--transition-smooth);
        }
        .solution-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .solution-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .solution-card-body {
            padding: var(--card-padding);
        }
        .solution-card-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-title);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .solution-card-body p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.65;
            margin-bottom: 14px;
        }
        .solution-card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .solution-card-body .card-link:hover {
            color: var(--color-accent);
            gap: 10px;
        }
        .solution-card-body .card-link i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }
        .solution-card-body .card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== RESULTS ========== */
        .results-section {
            background: var(--color-light-blue-bg);
        }
        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .result-item {
            padding: 20px 12px;
        }
        .result-number {
            font-size: 50px;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
            position: relative;
            display: inline-block;
        }
        .result-number.blue {
            color: var(--color-primary);
        }
        .result-number.orange {
            color: var(--color-accent);
        }
        .result-number::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-accent);
        }
        .result-label {
            font-size: 14px;
            color: var(--color-muted);
            margin-top: 10px;
            font-weight: 400;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: #F8FAFC;
            border-radius: var(--radius-card);
            padding: var(--card-padding);
            border: 1px solid transparent;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .testimonial-card .quote-icon {
            font-size: 40px;
            color: rgba(27, 95, 197, 0.12);
            line-height: 1;
            margin-bottom: 8px;
            display: block;
        }
        .testimonial-card .quote-text {
            font-size: 15px;
            color: var(--color-body);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 20px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .testimonial-author-info {
            font-size: 14px;
        }
        .testimonial-author-info .name {
            font-weight: 600;
            color: var(--color-title);
            display: block;
        }
        .testimonial-author-info .role {
            color: var(--color-muted);
            font-size: 13px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1B5FC5 0%, #0D3B7A 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(243, 112, 33, 0.08);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner .section-title {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-inner .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
            margin: 0 auto 32px;
            max-width: 500px;
            font-size: 16px;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-buttons .btn-primary {
            background: var(--color-accent);
            border-color: var(--color-accent);
            font-size: 17px;
            padding: 16px 38px;
            border-radius: 10px;
        }
        .cta-buttons .btn-primary:hover {
            background: #FF8C3D;
            border-color: #FF8C3D;
            box-shadow: 0 8px 28px rgba(243, 112, 33, 0.4);
        }
        .cta-buttons .btn-light {
            font-size: 17px;
            padding: 16px 38px;
            border-radius: 10px;
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }
        .cta-buttons .btn-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 8px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-title);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
            min-height: 44px;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-light-blue-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 8px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 8px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-deep-bg);
            color: #CBD5E1;
            padding-top: 56px;
            padding-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: #94A3B8;
            margin-bottom: 8px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #CBD5E1;
            font-size: 16px;
            transition: all var(--transition-fast);
        }
        .footer-social a:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: #64748B;
        }
        .footer-logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-weight: 700;
            font-size: 18px;
            color: #fff;
        }
        .footer-logo-area .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 15px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-text-area {
                max-width: 100%;
                order: 1;
            }
            .hero-image-area {
                order: 2;
                max-width: 500px;
                margin: 0 auto;
            }
            .hero-image-area::before {
                display: none;
            }
            .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-badge {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-title {
                font-size: 34px;
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .solutions-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .testimonials-grid .testimonial-card:nth-child(3) {
                grid-column: span 2;
                max-width: 400px;
                justify-self: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section {
                padding-top: var(--section-gap-tablet);
                padding-bottom: var(--section-gap-tablet);
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .hero-section {
                min-height: auto;
                padding-top: calc(var(--nav-height-mobile) + 28px);
                padding-bottom: 40px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .solutions-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .solution-card-img {
                height: 180px;
            }
            .results-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .result-number {
                font-size: 38px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonials-grid .testimonial-card:nth-child(3) {
                grid-column: span 1;
                max-width: 100%;
                justify-self: auto;
            }
            .cta-inner .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .hero-grid {
                gap: 24px;
            }
            .hero-image-area img {
                aspect-ratio: 16 / 10;
                border-radius: 12px;
            }
            html {
                scroll-padding-top: var(--nav-height-mobile);
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 30px;
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .results-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .result-number {
                font-size: 32px;
            }
            .result-number::after {
                width: 24px;
                height: 2px;
                bottom: -4px;
            }
            .result-label {
                font-size: 12px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn {
                width: 100%;
                max-width: 300px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons .btn {
                width: 100%;
                max-width: 280px;
            }
            .section-title {
                font-size: 22px;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
        }