/* roulang page: index */
:root {
            --color-primary: #1E88E5;
            --color-primary-hover: #1976D2;
            --color-primary-light: #E3F2FD;
            --color-primary-bg: #F0F7FF;
            --color-accent: #FFB300;
            --color-accent-hover: #FFA000;
            --color-accent-light: #FFF8E1;
            --color-success: #26A69A;
            --color-success-light: #E0F2F1;
            --color-white: #FFFFFF;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F5F7FA;
            --color-bg-card: #FFFFFF;
            --color-text: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-light: #94A3B8;
            --color-border: #E2E8F0;
            --color-border-light: #F1F5F9;
            --color-footer: #263238;
            --color-footer-text: #B0BEC5;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.15s ease;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --section-padding: 80px;
            --section-padding-mobile: 60px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base), transform var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            letter-spacing: 0.5px;
            cursor: pointer;
            user-select: none;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .header-nav a:hover,
        .header-nav a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .header-nav .nav-cta-btn {
            background: var(--color-primary);
            color: #fff !important;
            padding: 9px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            margin-left: 12px;
            transition: all var(--transition-base);
        }
        .header-nav .nav-cta-btn:hover {
            background: var(--color-primary-hover);
            box-shadow: var(--shadow-md);
            color: #fff !important;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 101;
            background: transparent;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .header-nav {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(255, 255, 255, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 8px;
                opacity: 0;
                pointer-events: none;
                transition: opacity var(--transition-smooth);
                z-index: 100;
            }
            .header-nav.open {
                opacity: 1;
                pointer-events: auto;
            }
            .header-nav a {
                font-size: 18px;
                padding: 12px 24px;
            }
            .header-nav .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                padding: 12px 28px;
                font-size: 17px;
            }
            .header-logo {
                font-size: 20px;
            }
            .header-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 18px;
            }
        }
        @media (max-width: 520px) {
            .header-logo {
                font-size: 18px;
                gap: 8px;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-padding) 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-padding-mobile) 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 600;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 640px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 28px;
            }
            .section-subtitle {
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(180deg, #E3F2FD 0%, #F0F7FF 40%, #FFFFFF 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding-top: var(--header-height);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0.70) 50%, rgba(255, 255, 255, 0.88) 100%);
            z-index: 1;
        }
        .hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            padding: 40px 24px;
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            color: var(--color-primary);
            position: relative;
        }
        .hero .hero-subtitle {
            font-size: 20px;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero .scroll-indicator {
            position: absolute;
            bottom: 36px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            animation: bounceDown 2s ease-in-out infinite;
            color: var(--color-primary);
            font-size: 28px;
            opacity: 0.7;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(12px);
            }
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 36px;
            }
            .hero .hero-subtitle {
                font-size: 17px;
            }
            .hero .hero-btns {
                flex-direction: column;
                align-items: center;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 30px;
            }
            .hero .hero-subtitle {
                font-size: 15px;
            }
            .hero {
                min-height: 90vh;
            }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            white-space: nowrap;
            min-width: 140px;
            text-align: center;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background: rgba(30, 136, 229, 0.05);
            border-color: var(--color-primary-hover);
            color: var(--color-primary-hover);
            box-shadow: var(--shadow-sm);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #1E293B;
            border-color: var(--color-accent);
            font-weight: 700;
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        @media (max-width: 520px) {
            .btn {
                width: 100%;
                min-width: auto;
                padding: 13px 20px;
                font-size: 15px;
            }
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-primary);
            border-radius: 0 0 3px 3px;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-primary-light);
        }
        .feature-card:hover::after {
            opacity: 1;
        }
        .feature-card .feature-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
        }
        .feature-card .feature-info h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .feature-card .feature-info p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
                gap: 16px;
            }
            .feature-card .feature-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
            .feature-card .feature-info h3 {
                font-size: 18px;
            }
        }

        /* ========== SCENARIOS ========== */
        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 56px;
        }
        .scenario-block:last-child {
            margin-bottom: 0;
        }
        .scenario-block.reverse {
            direction: rtl;
        }
        .scenario-block.reverse>* {
            direction: ltr;
        }
        .scenario-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
            background: var(--color-bg-alt);
        }
        .scenario-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .scenario-image:hover img {
            transform: scale(1.03);
        }
        .scenario-text h3 {
            font-size: 26px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--color-text);
        }
        .scenario-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .scenario-list {
            list-style: none;
            padding: 0;
        }
        .scenario-list li {
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }
        .scenario-list li .list-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--color-accent);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .scenario-block {
                grid-template-columns: 1fr;
                gap: 28px;
                margin-bottom: 40px;
            }
            .scenario-block.reverse {
                direction: ltr;
            }
            .scenario-text h3 {
                font-size: 22px;
            }
            .scenario-image {
                aspect-ratio: 16/10;
            }
        }
        @media (max-width: 520px) {
            .scenario-text h3 {
                font-size: 20px;
            }
            .scenario-text p {
                font-size: 14px;
            }
            .scenario-list li {
                font-size: 14px;
            }
        }

        /* ========== CASES ========== */
        .cases-wrapper {
            position: relative;
            overflow: hidden;
        }
        .cases-track {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding: 16px 4px 24px;
            scrollbar-width: none;
            cursor: grab;
        }
        .cases-track::-webkit-scrollbar {
            display: none;
        }
        .case-card {
            flex: 0 0 calc(33.333% - 16px);
            min-width: 280px;
            scroll-snap-align: start;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .case-card .case-quote-icon {
            font-size: 40px;
            color: var(--color-accent-light);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
            opacity: 0.7;
            pointer-events: none;
        }
        .case-card .case-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--color-bg-alt);
            flex-shrink: 0;
        }
        .case-card .case-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-card .case-testimonial {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.65;
            margin-bottom: 14px;
            font-style: italic;
        }
        .case-card .case-author {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }
        .case-card .case-role {
            font-size: 13px;
            color: var(--color-text-light);
        }
        .case-card .case-stat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-success);
            font-weight: 600;
            margin-top: 10px;
            background: var(--color-success-light);
            padding: 4px 10px;
            border-radius: 20px;
        }
        .cases-arrows {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin-top: 20px;
        }
        .cases-arrows button {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            font-size: 16px;
            color: var(--color-text);
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .cases-arrows button:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 1024px) {
            .case-card {
                flex: 0 0 calc(50% - 12px);
                min-width: 260px;
            }
        }
        @media (max-width: 640px) {
            .case-card {
                flex: 0 0 82%;
                min-width: 240px;
                padding: 22px 18px;
            }
            .cases-arrows {
                display: none;
            }
        }

        /* ========== PRICING ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 2px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            text-align: center;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .pricing-card.featured {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
            background: #fff;
        }
        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-2px);
            box-shadow: var(--shadow-xl);
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #1E293B;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 20px;
            white-space: nowrap;
            letter-spacing: 0.5px;
            box-shadow: var(--shadow-md);
        }
        .pricing-card .pricing-name {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .pricing-card .pricing-price {
            font-size: 42px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .pricing-card .pricing-price .currency {
            font-size: 22px;
            font-weight: 500;
            vertical-align: top;
            margin-right: 2px;
        }
        .pricing-card .pricing-price .period {
            font-size: 15px;
            font-weight: 400;
            color: var(--color-text-secondary);
        }
        .pricing-card .pricing-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            line-height: 1.5;
        }
        .pricing-features {
            list-style: none;
            text-align: left;
            margin-bottom: 28px;
            flex-grow: 1;
        }
        .pricing-features li {
            padding: 7px 0;
            font-size: 14px;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.4;
        }
        .pricing-features li .check-icon {
            flex-shrink: 0;
            color: var(--color-success);
            font-size: 13px;
            margin-top: 2px;
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .pricing-card {
                padding: 28px 18px;
            }
            .pricing-card.featured {
                transform: scale(1.02);
            }
            .pricing-card.featured:hover {
                transform: scale(1.02) translateY(-2px);
            }
            .pricing-card .pricing-price {
                font-size: 34px;
            }
        }
        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
                gap: 20px;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1) translateY(-2px);
            }
            .pricing-card {
                padding: 28px 22px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 8px;
            font-size: 17px;
            font-weight: 500;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            border: none;
            transition: color var(--transition-base);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--color-text-light);
            transition: transform var(--transition-base);
        }
        .faq-item.active .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 8px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 8px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 520px) {
            .faq-question {
                font-size: 15px;
                padding: 16px 4px;
            }
            .faq-answer p {
                font-size: 14px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary-light);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            text-align: center;
            border-radius: 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(227, 242, 253, 0.85);
            z-index: 1;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-section .cta-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .cta-section .cta-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 460px;
            margin: 0 auto 20px;
            text-align: left;
        }
        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: 13px 16px;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            background: var(--color-white);
            transition: all var(--transition-base);
            color: var(--color-text);
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.08);
            outline: none;
        }
        .cta-form textarea {
            resize: vertical;
            min-height: 90px;
        }
        @media (max-width: 520px) {
            .cta-section .cta-title {
                font-size: 26px;
            }
            .cta-section .cta-subtitle {
                font-size: 15px;
            }
            .cta-form input,
            .cta-form textarea {
                font-size: 14px;
                padding: 12px 14px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer);
            color: var(--color-footer-text);
            padding: 40px 0 24px;
            text-align: center;
        }
        .site-footer .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            cursor: pointer;
        }
        .site-footer .footer-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            font-weight: 800;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .site-footer .footer-links a {
            color: var(--color-footer-text);
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }
        .site-footer .footer-copy {
            font-size: 13px;
            color: rgba(176, 190, 197, 0.7);
        }
        .site-footer .back-to-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            margin-top: 14px;
            cursor: pointer;
            transition: all var(--transition-base);
            font-size: 16px;
        }
        .site-footer .back-to-top:hover {
            background: var(--color-primary);
        }
        @media (max-width: 520px) {
            .site-footer {
                padding: 32px 0 20px;
            }
            .site-footer .footer-links {
                gap: 16px;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mb-12 {
            margin-bottom: 12px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mb-48 {
            margin-bottom: 48px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .accent-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 6px;
            vertical-align: middle;
        }
        @media (max-width: 768px) {
            .hide-mobile {
                display: none !important;
            }
        }
        @media (min-width: 769px) {
            .hide-desktop {
                display: none !important;
            }
        }