/* roulang page: index */
:root {
            --color-primary: #1a5632;
            --color-primary-dark: #0e3a20;
            --color-secondary: #c9a86a;
            --color-secondary-light: #e8d5b0;
            --color-bg: #faf6f0;
            --color-bg-white: #ffffff;
            --color-text: #2c2c2c;
            --color-muted: #6b6b6b;
            --color-light-muted: #9e9e9e;
            --color-border: #e6e0d8;
            --color-border-dark: #d4ccbe;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.1);
            --shadow-primary: 0 8px 24px rgba(26,86,50,0.15);
            --gradient-brand: linear-gradient(135deg, #1a5632 0%, #2e7d4a 35%, #c9a86a 100%);
            --gradient-soft: linear-gradient(135deg, #faf6f0 0%, #f0e8dc 100%);
            --gradient-card: linear-gradient(180deg, #ffffff 0%, #fdfaf5 100%);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

        a:hover,
        a:focus {
            color: var(--color-primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--color-secondary);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: auto;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .header-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-search {
            flex: 1;
            max-width: 380px;
            min-width: 200px;
        }

        .header-search .search-box {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 2px solid var(--color-border);
            border-radius: 999px;
            padding: 6px 8px 6px 16px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .header-search .search-box:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(26,86,50,0.08);
        }

        .header-search .search-box input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 0.9rem;
            color: var(--color-text);
            padding: 4px 0;
            outline: none;
            font-family: inherit;
        }

        .header-search .search-box button {
            background: var(--color-primary);
            border: none;
            color: #fff;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            flex-shrink: 0;
        }

        .header-search .search-box button:hover {
            background: var(--color-primary-dark);
            transform: scale(1.05);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-nav .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: 999px;
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .header-nav .nav-link:hover,
        .header-nav .nav-link.active {
            background: rgba(26,86,50,0.08);
            color: var(--color-primary);
        }

        .header-version {
            font-size: 0.75rem;
            background: var(--color-secondary-light);
            color: var(--color-primary-dark);
            padding: 4px 10px;
            border-radius: 999px;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: 2px solid var(--color-border);
            border-radius: 8px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-text);
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .mobile-nav-panel {
            display: none;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 24px;
            gap: 10px;
            flex-direction: column;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel .nav-link {
            font-size: 0.95rem;
            color: var(--color-text);
            padding: 10px 14px;
            border-radius: 8px;
        }

        .mobile-nav-panel .nav-link:hover,
        .mobile-nav-panel .nav-link.active {
            background: rgba(26,86,50,0.08);
            color: var(--color-primary);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            background: var(--gradient-soft);
            overflow: hidden;
            padding: 0;
        }

        .hero-background {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(250,246,240,0.85) 0%, rgba(250,246,240,0.95) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 48px;
            padding-bottom: 56px;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255,255,255,0.8);
            border: 1px solid var(--color-border);
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            font-size: 0.7rem;
            color: var(--color-secondary);
        }

        .hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            color: var(--color-primary-dark);
            margin: 0 0 16px 0;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .hero-lead {
            font-size: clamp(0.95rem, 1.5vw, 1.05rem);
            color: var(--color-muted);
            max-width: 760px;
            margin-bottom: 26px;
            line-height: 1.85;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 999px;
            border: none;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(26,86,50,0.25);
            color: #fff;
        }

        .btn-secondary {
            background: var(--color-bg-white);
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background: rgba(26,86,50,0.06);
            transform: translateY(-2px);
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-border-dark);
        }

        .btn-outline-light:hover {
            border-color: var(--color-primary);
            background: rgba(26,86,50,0.04);
            transform: translateY(-2px);
        }

        .hero-data-points {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: center;
        }

        .hero-data-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-data-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255,255,255,0.85);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-secondary);
            flex-shrink: 0;
        }

        .hero-data-text strong {
            display: block;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--color-primary-dark);
            line-height: 1.3;
        }

        .hero-data-text span {
            font-size: 0.78rem;
            color: var(--color-muted);
        }

        /* ========== SECTION SHARED ========== */
        .section {
            padding: 56px 0 56px;
        }

        .section-alt {
            background: var(--color-bg-white);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-secondary);
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 800;
            color: var(--color-primary-dark);
            margin: 0 0 12px 0;
            line-height: 1.4;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--color-muted);
            max-width: 680px;
            margin: 0;
            line-height: 1.8;
        }

        /* ========== METRICS BOARD ========== */
        .metrics-board {
            background: var(--gradient-brand);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: stretch;
            justify-content: space-between;
            box-shadow: var(--shadow-lg);
            margin-bottom: 8px;
        }

        .metric-item {
            flex: 1 1 160px;
            text-align: center;
            background: rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            transition: background var(--transition-base), transform var(--transition-base);
        }

        .metric-item:hover {
            background: rgba(255,255,255,0.18);
            transform: translateY(-4px);
        }

        .metric-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            display: block;
        }

        .metric-label {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.8);
            display: block;
            margin-top: 6px;
        }

        /* ========== ENTRY MATRIX ========== */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .matrix-card {
            background: var(--gradient-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .matrix-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-secondary);
        }

        .matrix-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(26,86,50,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .matrix-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin: 0;
        }

        .matrix-card p {
            font-size: 0.86rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.75;
            flex: 1;
        }

        .matrix-card .matrix-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .matrix-card .matrix-link:hover {
            gap: 8px;
        }

        /* ========== MILESTONE ========== */
        .milestone-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 28px;
        }

        .milestone-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 12px;
            bottom: 12px;
            width: 3px;
            background: var(--gradient-brand);
            border-radius: 3px;
            opacity: 0.35;
        }

        .milestone-item {
            position: relative;
            padding: 18px 0 18px 24px;
            background: transparent;
        }

        .milestone-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 26px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--color-secondary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-secondary-light);
        }

        .milestone-step {
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-secondary);
            display: block;
            margin-bottom: 4px;
        }

        .milestone-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin: 0 0 6px 0;
        }

        .milestone-item p {
            font-size: 0.88rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.75;
        }

        /* ========== COMPARISON ========== */
        .comparison-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            overflow: hidden;
        }

        .comparison-card.traditional {
            background: #f5f0e8;
            border: 1px solid var(--color-border);
        }

        .comparison-card.brand {
            background: var(--gradient-brand);
            border: none;
            color: #fff;
            box-shadow: var(--shadow-primary);
        }

        .comparison-card .comparison-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .comparison-card.traditional .comparison-tag {
            background: rgba(0,0,0,0.08);
            color: var(--color-muted);
        }

        .comparison-card.brand .comparison-tag {
            background: rgba(255,255,255,0.2);
            color: #fff;
        }

        .comparison-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 12px 0;
        }

        .comparison-card.traditional h3 {
            color: var(--color-primary-dark);
        }

        .comparison-card.brand h3 {
            color: #fff;
        }

        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.88rem;
            line-height: 1.7;
            padding: 6px 0;
        }

        .comparison-card.traditional .comparison-list li {
            color: var(--color-muted);
        }

        .comparison-card.brand .comparison-list li {
            color: rgba(255,255,255,0.9);
        }

        .comparison-list li i {
            margin-top: 4px;
            flex-shrink: 0;
        }

        .comparison-card.traditional .comparison-list li i {
            color: #b8afa0;
        }

        .comparison-card.brand .comparison-list li i {
            color: var(--color-secondary-light);
        }

        /* ========== NEWS ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 18px;
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            align-items: center;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-secondary);
            transform: translateX(4px);
        }

        .news-item-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(26,86,50,0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-content h3 {
            font-size: 0.94rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 4px 0;
            line-height: 1.5;
        }

        .news-item-content h3 a {
            color: inherit;
        }

        .news-item-content h3 a:hover {
            color: var(--color-primary);
        }

        .news-item-meta {
            font-size: 0.76rem;
            color: var(--color-light-muted);
            display: flex;
            gap: 12px;
        }

        .news-recommend {
            background: var(--gradient-soft);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-recommend h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-recommend .recommend-card {
            display: flex;
            gap: 12px;
            align-items: center;
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 12px;
            border: 1px solid var(--color-border);
            transition: box-shadow var(--transition-fast);
        }

        .news-recommend .recommend-card:hover {
            box-shadow: var(--shadow-sm);
        }

        .recommend-card img {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .recommend-card-content h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 2px 0;
            line-height: 1.45;
        }

        .recommend-card-content span {
            font-size: 0.72rem;
            color: var(--color-light-muted);
        }

        /* ========== PLATFORM GUARANTEE ========== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 20px;
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .guarantee-item:hover {
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-sm);
        }

        .guarantee-item-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(201,168,106,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-secondary);
            flex-shrink: 0;
        }

        .guarantee-item h3 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin: 0 0 4px 0;
        }

        .guarantee-item p {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-wrapper .accordion {
            background: transparent;
            border: none;
        }

        .faq-wrapper .accordion-item {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-wrapper .accordion-item:hover {
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-sm);
        }

        .faq-wrapper .accordion-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary-dark);
            padding: 18px 22px;
            background: transparent;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .faq-wrapper .accordion-title::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.9rem;
            color: var(--color-secondary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-wrapper .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
        }

        .faq-wrapper .accordion-content {
            font-size: 0.87rem;
            color: var(--color-muted);
            padding: 0 22px 18px 22px;
            line-height: 1.8;
            background: transparent;
            border: none;
        }

        /* ========== FORM ========== */
        .form-section {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-lg);
        }

        .form-section .section-header h2 {
            color: #fff;
        }

        .form-section .section-header p {
            color: rgba(255,255,255,0.8);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-field.full-width {
            grid-column: 1 / -1;
        }

        .form-field label {
            font-size: 0.82rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .form-field input,
        .form-field select,
        .form-field textarea {
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.9rem;
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .form-field input::placeholder,
        .form-field textarea::placeholder {
            color: rgba(255,255,255,0.55);
        }

        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            border-color: var(--color-secondary-light);
            background: rgba(255,255,255,0.22);
        }

        .form-field select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='white' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }

        .form-field select option {
            color: var(--color-text);
            background: #fff;
        }

        .form-submit {
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            margin-top: 10px;
        }

        .btn-submit {
            background: #fff;
            color: var(--color-primary);
            font-size: 1rem;
            font-weight: 700;
            padding: 15px 48px;
            border-radius: 999px;
            border: none;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0,0,0,0.25);
            background: var(--color-secondary-light);
        }

        /* ========== APP CTA ========== */
        .app-cta {
            background: var(--color-bg-white);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }

        .app-cta-content {
            flex: 1;
            min-width: 260px;
        }

        .app-cta-content h2 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-primary-dark);
            margin: 0 0 10px 0;
        }

        .app-cta-content p {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.75;
        }

        .app-cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .app-store-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 24px;
            border-radius: 16px;
            border: 2px solid var(--color-border-dark);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text);
            background: var(--color-bg);
            transition: all var(--transition-base);
        }

        .app-store-btn i {
            font-size: 1.4rem;
            color: var(--color-primary);
        }

        .app-store-btn:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
            color: var(--color-primary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0d2517;
            color: rgba(255,255,255,0.8);
            padding: 48px 0 20px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .footer-brand-col p {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.6);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h3 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px 0;
            letter-spacing: 0.03em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links li a {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.65);
            transition: color var(--transition-fast);
        }

        .footer-links li a:hover {
            color: var(--color-secondary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-bottom p {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.5);
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media screen and (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .container-wide {
                padding: 0 24px;
            }
            .site-header .header-inner {
                padding: 10px 20px;
            }
            .header-search {
                max-width: 260px;
            }
            .comparison-cards {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-field.full-width {
                grid-column: 1;
            }
            .form-submit {
                grid-column: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand-col {
                grid-column: 1 / -1;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header .header-inner {
                flex-wrap: nowrap;
                gap: 12px;
            }
            .header-search {
                display: none;
            }
            .header-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .hero .container {
                padding-top: 32px;
                padding-bottom: 40px;
            }
            .hero-data-points {
                gap: 16px;
            }
            .hero-data-item {
                gap: 8px;
            }
            .hero-data-icon {
                width: 36px;
                height: 36px;
                border-radius: 8px;
                font-size: 0.9rem;
            }
            .hero-data-text strong {
                font-size: 1rem;
            }
            .section {
                padding: 40px 0;
            }
            .metrics-board {
                padding: 24px 20px;
                gap: 12px;
            }
            .metric-number {
                font-size: 1.5rem;
            }
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .matrix-card {
                padding: 20px 16px;
            }
            .milestone-list {
                padding-left: 20px;
            }
            .milestone-list::before {
                left: 6px;
            }
            .milestone-item {
                padding-left: 16px;
            }
            .milestone-item::before {
                left: -20px;
                width: 12px;
                height: 12px;
                top: 22px;
            }
            .comparison-card {
                padding: 24px 20px;
            }
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .guarantee-item {
                padding: 14px;
                gap: 10px;
            }
            .form-section {
                padding: 32px 22px;
                border-radius: var(--radius-lg);
            }
            .app-cta {
                padding: 28px 22px;
                flex-direction: column;
                text-align: center;
            }
            .app-cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-logo {
                font-size: 0.95rem;
                gap: 6px;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .mobile-menu-toggle {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-lead {
                font-size: 0.88rem;
            }
            .hero-badge-row {
                gap: 6px;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .hero-data-points {
                gap: 10px;
                flex-wrap: wrap;
            }
            .hero-data-item {
                gap: 6px;
            }
            .hero-data-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
            .hero-data-text strong {
                font-size: 0.9rem;
            }
            .hero-data-text span {
                font-size: 0.68rem;
            }
            .btn {
                font-size: 0.82rem;
                padding: 10px 20px;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .metrics-board {
                padding: 16px 12px;
            }
            .metric-number {
                font-size: 1.2rem;
            }
            .metric-label {
                font-size: 0.7rem;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .comparison-card {
                padding: 18px 14px;
            }
            .comparison-card h3 {
                font-size: 1rem;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .news-item-icon {
                width: 36px;
                height: 36px;
                border-radius: 8px;
                font-size: 0.85rem;
            }
            .news-recommend {
                padding: 18px 14px;
            }
            .recommend-card img {
                width: 48px;
                height: 48px;
            }
            .faq-wrapper .accordion-title {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .faq-wrapper .accordion-content {
                font-size: 0.8rem;
                padding: 0 16px 14px 16px;
            }
            .form-section {
                padding: 24px 16px;
            }
            .btn-submit {
                font-size: 0.9rem;
                padding: 12px 32px;
                width: 100%;
            }
            .app-cta {
                padding: 22px 16px;
                border-radius: var(--radius-lg);
            }
            .app-cta-content h2 {
                font-size: 1.15rem;
            }
            .app-store-btn {
                padding: 10px 18px;
                font-size: 0.8rem;
                border-radius: 12px;
            }
            .footer-grid {
                gap: 18px;
            }
            .footer-brand {
                font-size: 1rem;
            }
            .footer-brand .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
        }