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

:root {
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --text-tertiary: #a1a1a6;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-dark: #1d1d1f;
    --accent: #f97316;
    --accent-light: #fb923c;
    --accent-dark: #ea580c;
    --gradient-start: #f97316;
    --gradient-end: #f59e0b;
    --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'PingFang SC', 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.animate-fade-in { animation: fadeIn 0.8s ease forwards; }
.animate-fade-in-up { animation: fadeInUp 0.8s ease forwards; }
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

nav .nav-content {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

nav .nav-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

nav .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

nav .nav-item {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s;
}

nav .nav-item:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

nav .nav-btn {
    font-size: 14px;
    font-weight: 500;
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    transition: all 0.3s;
    margin-left: 8px;
}

nav .nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu a {
    padding: 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    border-radius: 12px;
    transition: background 0.2s;
}

.mobile-menu a:hover {
    background: var(--bg-secondary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #f97316, #f59e0b);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #fb923c, #fbbf24);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #ea580c, #dc2626);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 12s ease-in-out infinite;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.hero .title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 16px;
}

.hero .app-icon {
    width: 88px;
    height: 88px;
    border-radius: 22px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.hero h1 {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary) 0%, #424245 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: 32px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.hero .hero-desc {
    font-size: 18px;
    color: var(--text-tertiary);
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.btn span {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.3;
}

.btn span small {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--card-shadow);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent);
}

.btn-white {
    background: white;
    color: var(--accent);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Download Section */
.download-section {
    width: 100%;
    max-width: 700px;
}

.download-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 28px;
    background: rgba(249, 115, 22, 0.08);
    border: 1px solid rgba(249, 115, 22, 0.15);
    border-radius: 100px;
    margin-bottom: 32px;
    font-size: 16px;
    color: var(--text-secondary);
}

.download-hint svg {
    width: 20px;
    height: 20px;
    color: var(--accent);
}

.download-hint strong {
    color: var(--accent);
    font-weight: 600;
}

.download-channels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.channel-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 20px;
    background: white;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    cursor: default;
}

.channel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.channel-icon {
    width: 56px;
    height: 56px;
    background: #1d1d1f;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.channel-icon svg {
    width: 32px;
    height: 32px;
}

.channel-icon.android {
    background: linear-gradient(135deg, #3ddc84, #00a86b);
}

.channel-icon.wechat {
    background: linear-gradient(135deg, #07c160, #00a86b);
}

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

.channel-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.channel-info p {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* QR Section */
.qr-section {
    text-align: center;
}

.qr-hint {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.qr-placeholder {
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
}

.qr-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--text-tertiary);
}

.qr-item span {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: 12px;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator svg {
    width: 20px;
    height: 20px;
}

/* Stats Section */
.stats {
    padding: 80px 24px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.stats.visible {
    opacity: 1;
    transform: translateY(0);
}

.stats-header {
    text-align: center;
    margin-bottom: 40px;
}

.stats-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: white;
}

.stats-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    display: inline;
}

.stat-suffix {
    font-size: 32px;
    font-weight: 600;
    display: inline;
    opacity: 0.8;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    margin-top: 8px;
}

/* Section Common Styles */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}


/* Features Section */
.features {
    padding: 120px 24px;
    background: var(--bg-secondary);
}

.features-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    position: relative;
    background: white;
    border-radius: 24px;
    padding: 40px;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
    overflow: hidden;
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}

.feature-card.featured {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

.feature-card.featured .feature-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.feature-card.featured p {
    color: rgba(255, 255, 255, 0.85);
}

.feature-card.featured .feature-tags span {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.feature-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tags span {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: 100px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* How It Works */
.how-it-works {
    padding: 120px 24px;
    background: white;
}

.steps-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.step {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

.step-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    margin-top: 32px;
    opacity: 0.3;
}

/* About Section */
.about {
    padding: 120px 24px;
    background: var(--bg-secondary);
}

.about-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.about-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-content .section-tag {
    display: inline-block;
}

.about-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-primary);
}

.about-feature svg {
    width: 20px;
    height: 20px;
    color: var(--accent);
}

/* Phone Mockup */
.about-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #2d2d2d, #1a1a1a);
    border-radius: 44px;
    padding: 12px;
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset,
        0 0 40px rgba(249, 115, 22, 0.1);
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #1a1a1a;
    border-radius: 0 0 16px 16px;
    z-index: 10;
}

.phone-notch::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: #3a3a3a;
    border-radius: 50%;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 36px;
    overflow: hidden;
}

.app-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #f8f8f8;
}

.preview-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px 6px;
    font-size: 12px;
    font-weight: 600;
    color: #1d1d1f;
    background: #fff;
}

.status-icons {
    display: flex;
    gap: 4px;
    align-items: center;
}

.status-icons svg {
    width: 14px;
    height: 14px;
}

/* 头部样式 */
.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 14px 10px;
    background: #fff;
}

.header-left {
    display: flex;
    align-items: center;
}

.city-text {
    font-size: 13px;
    color: #666;
    padding: 4px 10px;
    background: #f5f5f5;
    border-radius: 12px;
}

.header-greeting {
    font-size: 14px;
    font-weight: 600;
    color: #1d1d1f;
}

.preview-search {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 12px 10px;
    padding: 10px 14px;
    background: #f5f5f5;
    border-radius: 10px;
    font-size: 12px;
    color: #999;
}

.preview-search svg {
    width: 14px;
    height: 14px;
}

/* 星耀之星区域 */
.preview-section {
    padding: 0 12px 10px;
}

.section-header-mini {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #1d1d1f;
}

.section-icon {
    font-size: 14px;
}

.more-text {
    margin-left: auto;
    font-size: 11px;
    font-weight: 400;
    color: #999;
}

.star-host-card {
    display: flex;
    gap: 10px;
    padding: 12px;
    background: linear-gradient(135deg, #fff9f5, #fff);
    border-radius: 12px;
    border: 1px solid rgba(249, 115, 22, 0.1);
}

.host-avatar-mini {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 12px;
    flex-shrink: 0;
}

.host-info-mini {
    flex: 1;
    min-width: 0;
}

.host-name-mini {
    width: 60px;
    height: 12px;
    background: #e8e8e8;
    border-radius: 3px;
    margin-bottom: 6px;
}

.host-desc-mini {
    width: 100%;
    height: 10px;
    background: #f0f0f0;
    border-radius: 3px;
    margin-bottom: 8px;
}

.host-stats-mini {
    display: flex;
    gap: 10px;
    font-size: 10px;
    color: #999;
}

.host-stats-mini span:first-child {
    color: var(--accent);
}

/* 导航标签 */
.preview-tabs {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    background: #fff;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.preview-tabs::-webkit-scrollbar {
    display: none;
}

.preview-tabs span {
    padding: 5px 10px;
    font-size: 11px;
    color: #666;
    border-radius: 14px;
    white-space: nowrap;
    flex-shrink: 0;
}

.preview-tabs span.active {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    font-weight: 500;
}

/* 商机卡片 */
.preview-order-card {
    margin: 10px 12px;
    padding: 12px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.order-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.merchant-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
    border-radius: 50%;
    flex-shrink: 0;
}

.merchant-info {
    flex: 1;
    min-width: 0;
}

.merchant-name {
    width: 50px;
    height: 11px;
    background: #e8e8e8;
    border-radius: 3px;
    margin-bottom: 4px;
}

.company-name {
    width: 70px;
    height: 9px;
    background: #f0f0f0;
    border-radius: 3px;
}

.order-tag {
    padding: 3px 8px;
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent);
    font-size: 10px;
    border-radius: 10px;
}

.order-content {
    padding-left: 46px;
}

.order-time {
    width: 100px;
    height: 9px;
    background: #f0f0f0;
    border-radius: 3px;
    margin-bottom: 6px;
}

.order-title {
    width: 80%;
    height: 12px;
    background: #e8e8e8;
    border-radius: 3px;
    margin-bottom: 10px;
}

.order-footer {
    display: flex;
    align-items: center;
    gap: 8px;
}

.match-bar {
    flex: 1;
    height: 4px;
    background: #f0f0f0;
    border-radius: 2px;
    overflow: hidden;
}

.match-fill {
    width: 85%;
    height: 100%;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
}

.match-text {
    font-size: 10px;
    color: var(--accent);
    white-space: nowrap;
}

/* 底部导航 */
.preview-nav {
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    background: #fff;
    border-top: 1px solid #f0f0f0;
    margin-top: auto;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: #999;
}

.nav-item.active {
    color: var(--accent);
}

.nav-item.publish {
    color: var(--accent);
}

.nav-item.publish svg {
    width: 28px;
    height: 28px;
}

.nav-item svg {
    width: 20px;
    height: 20px;
}

.nav-item span {
    font-size: 9px;
}

.phone-home-indicator {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

/* Testimonials */
.testimonials {
    padding: 120px 24px;
    background: white;
}

.testimonials-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-secondary);
    border-radius: 24px;
    padding: 32px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow);
}

.testimonial-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.author-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.author-title {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* CTA Section */
.cta {
    padding: 100px 24px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Contact Section */
.contact {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info .section-title {
    margin-bottom: 12px;
}

.contact-desc {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 20px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--accent);
}

.contact-item div {
    text-align: left;
}

.contact-label {
    display: block;
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.contact-value {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Footer */
footer {
    padding: 60px 24px 40px;
    background: linear-gradient(180deg, #fff5ed 0%, #fff9f5 100%);
    color: var(--text-primary);
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.footer-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(249, 115, 22, 0.1);
}

.copyright {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.beian {
    font-size: 12px;
    color: var(--text-tertiary);
}

.beian a {
    color: var(--text-tertiary);
    text-decoration: none;
}

.beian a:hover {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-content {
        text-align: center;
    }
    
    .about-content .section-title {
        text-align: center;
    }
    
    .about-features {
        align-items: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    nav .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero {
        padding: 100px 20px 60px;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero .subtitle {
        font-size: 22px;
    }
    
    .hero .hero-desc {
        font-size: 15px;
    }
    
    .hero .app-icon {
        width: 64px;
        height: 64px;
        border-radius: 16px;
    }
    
    .hero .title-row {
        gap: 14px;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-channels {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .channel-card {
        flex-direction: row;
        padding: 20px;
        gap: 16px;
    }
    
    .channel-info {
        text-align: left;
    }
    
    .download-hint {
        font-size: 14px;
        padding: 14px 20px;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
    
    .steps-container {
        flex-direction: column;
        gap: 24px;
    }
    
    .step-line {
        width: 2px;
        height: 40px;
        margin: 0 auto;
    }
    
    .phone-mockup {
        width: 240px;
        height: 500px;
        border-radius: 36px;
    }
    
    .phone-notch {
        width: 100px;
        height: 24px;
    }
    
    .phone-screen {
        border-radius: 28px;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}