:root {
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;

    --accent-gold: #f59e0b;
    --accent-gold-light: #fbbf24;
    --accent-gold-dark: #d97706;
    
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-light: #cbd5e1;

    --bg-white: #ffffff;
    --bg-gray-50: #f8fafc;
    --bg-gray-100: #f1f5f9;
    --bg-gray-200: #e2e8f0;

    --border-light: #e2e8f0;
    --border-default: #cbd5e1;

    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.1), 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.25);

    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #3730a3 30%, #581c87 70%, #7c2d12 100%);
    --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: white;
    transform: translateY(-3px);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: 1.5rem;
}

.section-badge i {
    color: var(--accent-gold);
}

.section-badge-left {
    text-align: left;
    display: inline-flex;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    border-bottom: 1px solid var(--border-light);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 42px;
    width: auto;
    transition: transform var(--transition-normal);
}

.logo-img:hover {
    transform: scale(1.03);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link i {
    font-size: 0.85rem;
    transition: transform var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

.nav-link:hover i,
.nav-link.active i {
    transform: scale(1.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.2) 0%, transparent 35%);
}

.hero-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #818cf8, #a78bfa);
    bottom: -150px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #34d399, #10b981);
    top: 50%;
    right: 10%;
    animation: float 12s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 900px;
    padding: 2rem;
    z-index: 1;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease-out;
}

.hero-badge i {
    color: var(--accent-gold-light);
}

.hero-title {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.title-accent {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    margin-bottom: 1rem;
    opacity: 0.9;
    text-transform: uppercase;
}

.title-main {
    display: block;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.15;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.2rem;
    line-height: 1.9;
    opacity: 0.9;
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(15px);
    padding: 1.25rem 1.75rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.stat-icon-wrapper {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.3), rgba(251, 191, 36, 0.3));
    border-radius: var(--radius-lg);
    font-size: 1.4rem;
    color: var(--accent-gold-light);
}

.stat-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: white;
    opacity: 0.7;
    animation: bounce 2.5s infinite;
}

.hero-scroll span {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 13px;
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: white;
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 22px; }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.features {
    padding: 7rem 0;
    background: var(--bg-gray-50);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, var(--bg-white), var(--bg-gray-50));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    text-align: left;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon-wrapper {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    font-size: 1.6rem;
    color: var(--primary-600);
    margin-bottom: 1.5rem;
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.05) rotate(5deg);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-hover-icon {
    position: absolute;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    color: var(--primary-600);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-hover-icon {
    opacity: 1;
    transform: translateX(0);
}

.about {
    padding: 7rem 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
}

.about-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.about-mission {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    padding-left: 2rem;
    background: var(--bg-gray-50);
    border-left: 4px solid var(--primary-500);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.875rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 1.125rem;
    background: var(--bg-gray-50);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.highlight-item:hover {
    background: var(--primary-500);
    color: white;
    border-color: var(--primary-500);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.highlight-item i {
    color: var(--success);
    font-size: 1rem;
    transition: color var(--transition-fast);
}

.highlight-item:hover i {
    color: white;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: white;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    max-width: 360px;
}

.visual-header {
    background: var(--gradient-primary);
    padding: 2rem;
    text-align: center;
}

.visual-logo {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.visual-body {
    padding: 2.5rem;
    text-align: center;
}

.visual-icon-large {
    font-size: 3.5rem;
    color: var(--primary-500);
    margin-bottom: 1.25rem;
}

.visual-body h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.visual-body p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.visual-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--success);
}

.app-download {
    padding: 7rem 0;
    background: var(--bg-gray-50);
    position: relative;
    overflow: hidden;
}

.app-download::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
}

.app-info .section-title {
    text-align: left;
}

.app-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-600);
    margin-bottom: 1.25rem;
}

.app-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.app-platforms {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.platform-badge {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.platform-badge:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.platform-badge i {
    font-size: 1.75rem;
}

.platform-ios i {
    color: #000;
}

.platform-android i {
    color: #3DDC84;
}

.platform-text {
    display: flex;
    flex-direction: column;
}

.platform-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.platform-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.coming-soon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-lg);
}

.coming-soon i {
    color: var(--primary-500);
}

.notify-form {
    width: 100%;
}

.form-group {
    display: flex;
    gap: 0.875rem;
    flex-wrap: wrap;
}

.form-input-wrapper {
    flex: 1;
    min-width: 280px;
    position: relative;
}

.form-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    transition: color var(--transition-fast);
}

.form-input-wrapper:focus-within .form-icon {
    color: var(--primary-500);
}

.form-input {
    width: 100%;
    padding: 1.125rem 1.25rem 1.125rem 3rem;
    font-size: 1rem;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-xl);
    outline: none;
    transition: all var(--transition-normal);
    font-family: inherit;
    background: white;
}

.form-input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.btn-submit {
    padding: 1.125rem 2rem;
    white-space: nowrap;
}

.app-preview {
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 290px;
    height: 590px;
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border-radius: 45px;
    padding: 12px;
    box-shadow: 
        var(--shadow-2xl),
        inset 0 2px 4px rgba(255, 255, 255, 0.1);
    position: relative;
    animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.phone-notch {
    position: absolute;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #0f172a;
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 36px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.phone-header {
    background: var(--gradient-primary);
    padding: 2.5rem 1rem 1.25rem;
    text-align: center;
    position: relative;
}

.app-logo {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.phone-status-bar {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    font-size: 0.65rem;
    opacity: 0.8;
}

.phone-content {
    flex: 1;
    padding: 0.875rem;
    overflow: hidden;
}

.mock-banner {
    width: 100%;
    height: 90px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    margin-bottom: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mock-banner-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
}

.mock-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
}

.mock-text {
    font-size: 0.85rem;
    font-weight: 700;
}

.mock-categories {
    display: flex;
    justify-content: space-around;
    margin-bottom: 0.875rem;
}

.mock-cat-item {
    width: 44px;
    height: 44px;
    background: var(--bg-gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--primary-500);
}

.mock-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.625rem;
}

.mock-item {
    height: 85px;
    background: var(--bg-gray-100);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.mock-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: var(--bg-gray-200);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.phone-nav {
    display: flex;
    justify-content: space-around;
    padding: 0.75rem;
    background: white;
    border-top: 1px solid var(--border-light);
}

.nav-item {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-item.active {
    color: var(--primary-500);
    background: var(--primary-50);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.float-element {
    position: absolute;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    font-size: 1.1rem;
    animation: floatElement 4s ease-in-out infinite;
}

.float-1 {
    top: 15%;
    left: -5%;
    color: #ef4444;
    animation-delay: 0s;
}

.float-2 {
    top: 45%;
    right: -8%;
    color: var(--primary-500);
    animation-delay: 1.5s;
}

.float-3 {
    bottom: 20%;
    left: -3%;
    color: var(--accent-gold);
    animation-delay: 3s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(5deg); }
    66% { transform: translateY(5px) rotate(-3deg); }
}

.contact {
    padding: 7rem 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.contact-card {
    background: var(--bg-gray-50);
    padding: 2rem 1.5rem;
    border-radius: var(--radius-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.contact-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.contact-card:hover::after {
    transform: scaleX(1);
}

.contact-icon-wrapper {
    width: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-xl);
    font-size: 1.6rem;
    color: var(--primary-600);
    margin: 0 auto 1.25rem;
    transition: all var(--transition-normal);
}

.contact-card:hover .contact-icon-wrapper {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1);
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.contact-value {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.contact-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-50);
    color: var(--primary-600);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.contact-action:hover {
    background: var(--primary-500);
    color: white;
}

.footer {
    background: #0f172a;
    color: white;
    padding: 0 0 2rem;
    position: relative;
}

.footer-wave {
    position: relative;
    margin-bottom: -2px;
}

.footer-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    padding-top: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 42px;
    margin-bottom: 1.25rem;
}

.footer-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.8;
    max-width: 380px;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-500);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-column h4 i {
    color: var(--accent-gold);
    font-size: 0.9rem;
}

.footer-column a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.875rem;
    transition: all var(--transition-fast);
}

.footer-column a i {
    font-size: 0.7rem;
    color: var(--primary-400);
    transition: transform var(--transition-fast);
}

.footer-column a:hover {
    color: white;
}

.footer-column a:hover i {
    transform: translateX(3px);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.footer-address {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.footer-address i {
    color: var(--accent-gold);
}

.footer-beian {
    margin-top: 0.5rem;
}

.footer-beian a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-beian a:hover {
    color: white;
}

.footer-beian i {
    font-size: 0.85rem;
}

@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

    .about-text .section-title {
        text-align: center;
    }

    .about-highlights {
        grid-template-columns: repeat(2, 1fr);
    }

    .app-content {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

    .app-info .section-title {
        text-align: center;
    }

    .app-info {
        text-align: center;
    }

    .app-platforms {
        justify-content: center;
    }

    .coming-soon {
        display: inline-flex;
    }

    .form-group {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .footer-desc {
        max-width: none;
    }

    .footer-links {
        justify-content: center;
    }

    .floating-elements {
        display: none;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        padding: 2rem;
        gap: 0.5rem;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 1rem 1.5rem;
    }

    .title-main {
        font-size: 2.75rem;
    }

    .hero-stats {
        flex-direction: column;
        align-items: stretch;
        max-width: 320px;
        margin: 0 auto;
    }

    .stat-divider {
        width: 100%;
        height: 1px;
    }

    .stat-item {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-group {
        flex-direction: column;
    }

    .form-input-wrapper {
        min-width: auto;
    }

    .btn-submit {
        width: 100%;
    }

    .phone-mockup {
        width: 260px;
        height: 520px;
    }

    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }

    .hero-shapes {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .title-main {
        font-size: 2.25rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .section-title {
        font-size: 2rem;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    .app-platforms {
        flex-direction: column;
        align-items: center;
    }

    .platform-badge {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .scroll-mouse {
        display: none;
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.page-header {
    background: var(--gradient-hero);
    padding: 10rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.2) 0%, transparent 40%);
}

.page-header-content {
    text-align: center;
    color: white;
    position: relative;
    z-index: 1;
}

.page-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 28px;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-icon-agreement {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.3), rgba(5, 150, 105, 0.3));
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.page-header p {
    opacity: 0.9;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.breadcrumb a:hover {
    opacity: 0.7;
}

.breadcrumb i {
    font-size: 0.7rem;
}

.policy-content {
    padding: 4rem 0;
    background: var(--bg-gray-50);
}

.policy-wrapper {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 3rem;
    align-items: start;
}

.policy-toc {
    position: sticky;
    top: 100px;
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.policy-toc h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.policy-toc h3 i {
    color: var(--primary-500);
}

.policy-toc ul {
    list-style: none;
}

.policy-toc li {
    margin-bottom: 0.5rem;
}

.policy-toc a {
    display: block;
    padding: 0.625rem 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.policy-toc a:hover,
.policy-toc a.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

.policy-main {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 3rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.policy-article {
    max-width: 800px;
}

.policy-section {
    margin-bottom: 3rem;
    scroll-margin-top: 100px;
}

.policy-section:last-child {
    margin-bottom: 0;
}

.policy-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--bg-gray-100);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.policy-section h2 i {
    color: var(--primary-500);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    font-size: 1rem;
}

.policy-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.policy-section p {
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 1rem;
}

.policy-section ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.policy-section li {
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 0.625rem;
}

.highlight-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-left: 4px solid var(--primary-500);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
}

.highlight-box.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(217, 119, 6, 0.08));
    border-color: rgba(245, 158, 11, 0.2);
    border-left-color: var(--accent-gold);
}

.highlight-box p {
    margin-bottom: 0;
    color: var(--text-primary);
}

.use-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.use-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-gray-50);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.use-item:hover {
    background: var(--primary-50);
    color: var(--primary-600);
    transform: translateY(-2px);
}

.use-item i {
    color: var(--primary-500);
    font-size: 1.1rem;
}

.rights-list {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.right-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--bg-gray-50);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.right-item:hover {
    background: var(--primary-50);
    transform: translateX(5px);
}

.right-num {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-500);
    min-width: 36px;
}

.right-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.right-content p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.obligation-list {
    display: grid;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.obligation-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.125rem;
    background: var(--bg-gray-50);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.obligation-item i {
    color: var(--success);
    font-size: 1rem;
}

.contact-info-box {
    background: linear-gradient(135deg, var(--bg-gray-50), var(--bg-white));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-top: 1.5rem;
}

.info-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
}

.info-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-row > i {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    color: var(--primary-500);
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.info-row strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.info-row p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.info-row a {
    color: var(--primary-500);
    text-decoration: none;
}

.info-row a:hover {
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .policy-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .policy-toc {
        position: static;
        order: -1;
    }

    .policy-toc ul {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .policy-toc li {
        margin-bottom: 0;
    }

    .policy-toc a {
        display: inline-block;
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .policy-main {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 8rem 0 4rem;
    }

    .page-header h1 {
        font-size: 2.25rem;
    }

    .page-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
        border-radius: 22px;
    }

    .policy-main {
        padding: 1.5rem;
    }

    .policy-section h2 {
        font-size: 1.25rem;
    }

    .use-grid {
        grid-template-columns: 1fr;
    }

    .contact-info-box {
        padding: 1.5rem;
    }

    .info-row {
        flex-direction: column;
        gap: 0.75rem;
    }
}