/* 全局样式 */
:root {
    /* 字体大小体系 */
    --font-size-xs: 12px;     /* 小号文字：版权、标签等 */
    --font-size-sm: 14px;     /* 小文字：导航、说明文字等 */
    --font-size-base: 16px;   /* 基础文字：正文、按钮等 */
    --font-size-lg: 18px;     /* 大文字：副标题、重要文字 */
    --font-size-xl: 20px;     /* 特大文字：小标题 */
    --font-size-2xl: 24px;    /* 二级标题 */
    --font-size-3xl: 32px;    /* 一级标题 */
    --font-size-4xl: 48px;    /* 超大标题：英雄区域 */
    
    /* 行高体系 */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;
    --line-height-loose: 1.8;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: #0052ff;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    transition: color 0.3s ease;
    padding: 10px 15px;
    border-radius: 8px;
}

.nav-link:hover {
    color: #0052ff;
}

/* 面包屑导航 */
.breadcrumb {
    background: #f8fafc;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: var(--font-size-sm);
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '>';
    margin: 0 8px;
    color: #6b7280;
}

.breadcrumb-list a {
    color: #0052ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-list a:hover {
    color: #0066ff;
    text-decoration: underline;
}

.breadcrumb-list span[aria-current="page"] {
    color: #6b7280;
    font-weight: 500;
}

/* 区域头部样式 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header .section-title {
    margin-bottom: 15px;
}

.section-header .section-subtitle {
    margin-bottom: 0;
}

/* Hero Section */
.hero {
    min-height: 50vh;
    background: linear-gradient(135deg, #0052ff 0%, #00d4aa 100%);
    display: flex;
    align-items: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: white;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: var(--line-height-tight);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: 32px;
    opacity: 0.9;
    line-height: var(--line-height-normal);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    line-height: var(--line-height-normal);
}

.btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    color: #0052ff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
    font-size: var(--font-size-lg);
    line-height: var(--line-height-normal);
    padding: 18px 36px;
    min-height: 56px;
    min-width: 120px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    cursor: pointer;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 82, 255, 0.1), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    outline: none;
}

.btn-primary:active {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.1s ease;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #0052ff;
    transform: translateY(-2px);
}

/* 手机模型 */
.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #1f2937 0%, #374151 100%);
    border-radius: 40px;
    padding: 20px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    margin: 0 auto;
    animation: float 6s ease-in-out infinite;
    transform-style: preserve-3d;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #4b5563;
    border-radius: 3px;
}

.phone-mockup::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    border: 2px solid #4b5563;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotateY(0deg);
    }
    25% {
        transform: translateY(-10px) rotateY(5deg);
    }
    50% {
        transform: translateY(-5px) rotateY(0deg);
    }
    75% {
        transform: translateY(-15px) rotateY(-5deg);
    }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 35px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.1);
}

.phone-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 1;
}

.app-interface {
    padding: 40px 20px 20px;
    height: 100%;
    position: relative;
    z-index: 2;
}

.status-bar {
    height: 24px;
    background: linear-gradient(90deg, #00d4aa, #0052ff, #ff6b6b);
    border-radius: 12px;
    margin-bottom: 25px;
    animation: statusPulse 3s ease-in-out infinite;
    box-shadow: 0 2px 8px rgba(0, 212, 170, 0.3);
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.app-header {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 30px;
    text-align: center;
    line-height: var(--line-height-tight);
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    background: #f3f4f6;
    padding: 15px;
    border-radius: 15px;
    font-size: var(--font-size-base);
    color: #374151;
    line-height: var(--line-height-normal);
}

/* 功能特性区域 */
.features {
    padding: 40px 0;
    background: #f8fafc;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: #1f2937;
    line-height: var(--line-height-tight);
}

.section-subtitle {
    font-size: var(--font-size-base);
    text-align: center;
    margin-bottom: 40px;
    color: #6b7280;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-normal);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: white;
    padding: 24px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 12px;
    color: #1f2937;
    line-height: var(--line-height-tight);
}

.feature-card p {
    color: #6b7280;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* 产品展示 */
.product-showcase {
    padding: 40px 0;
    background: white;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.showcase-text h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 20px;
    color: #1f2937;
    line-height: var(--line-height-tight);
}

.showcase-text p {
    font-size: var(--font-size-lg);
    color: #6b7280;
    margin-bottom: 30px;
    line-height: var(--line-height-relaxed);
}

.download-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.download-buttons .btn {
    min-width: 140px;
    min-height: 52px;
    padding: 16px 32px;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.2s ease;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    line-height: var(--line-height-normal);
}

.download-buttons .btn:active {
    transform: scale(0.98);
}

.btn-download {
    background: linear-gradient(135deg, #0052ff 0%, #00d4aa 100%);
    color: white;
    padding: 14px 28px;
    border-radius: 25px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 82, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-download::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 0.5s;
}

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

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 82, 255, 0.4);
    background: linear-gradient(135deg, #0066ff 0%, #00e6bb 100%);
}

.showcase-devices {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.device {
    background: #1f2937;
    border-radius: 20px;
    padding: 15px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.device.mobile {
    width: 180px;
    height: 320px;
}

.device.tablet {
    width: 240px;
    height: 320px;
}

.device-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0052ff 0%, #00d4aa 100%);
    border-radius: 15px;
}

/* 数据统计 */
.stats {
    padding: 40px 0;
    background: #1f2937;
    color: white;
}

.stats .section-title {
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: #00d4aa;
    margin-bottom: 10px;
    line-height: var(--line-height-tight);
}

.stat-label {
    font-size: var(--font-size-lg);
    color: #d1d5db;
    line-height: var(--line-height-normal);
}

/* 用户评价 */
.testimonials {
    padding: 40px 0;
    background: #f8fafc;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    color: #374151;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    font-size: var(--font-size-3xl);
}

.author-name {
    font-weight: 600;
    color: #1f2937;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

.author-title {
    color: #6b7280;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

/* 下载区域 */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #0052ff 0%, #00d4aa 100%);
    color: white;
    text-align: center;
}

.download-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: var(--line-height-tight);
}

.download-content p {
    font-size: var(--font-size-xl);
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: var(--line-height-relaxed);
}

.btn-large {
    padding: 20px 40px;
    font-size: var(--font-size-lg);
    line-height: var(--line-height-normal);
}

.qr-code {
    margin-top: 50px;
    display: inline-block;
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background: white;
    border-radius: 15px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-pattern {
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, #000 25%, transparent 25%), 
                linear-gradient(-45deg, #000 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, #000 75%), 
                linear-gradient(-45deg, transparent 75%, #000 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* 页脚 */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
    line-height: var(--line-height-normal);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    color: #d1d5db;
    text-decoration: none;
    padding: 8px 15px;
    background: #374151;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #4b5563;
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: #9ca3af;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

/* 服务优势区域 */
.service-advantages {
    padding: 40px 0;
    background: #f8fafc;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.advantage-card {
    background: white;
    padding: 24px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
    display: block;
}

.advantage-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.advantage-card p {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* App客户端区域 */
.app-clients {
    padding: 20px 0;
    background: white;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.client-section {
    text-align: center;
    padding: 24px 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

.client-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.premium-download {
    background: linear-gradient(135deg, #fff5f5 0%, #fef7ff 50%, #f0f9ff 100%);
    border: 2px solid;
    border-image: linear-gradient(135deg, #ff6b6b, #4ecdc4, #45b7d1) 1;
    animation: borderGlow 3s ease-in-out infinite;
}

@keyframes borderGlow {
    0%, 100% { border-image: linear-gradient(135deg, #ff6b6b, #4ecdc4, #45b7d1) 1; }
    50% { border-image: linear-gradient(135deg, #45b7d1, #ff6b6b, #4ecdc4) 1; }
}

.download-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    60% { transform: translateY(-3px); }
}

.client-section h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: 15px;
    color: #1a1a1a;
    line-height: var(--line-height-tight);
}

.features-highlight {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.feature-tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    animation: pulse 2s infinite;
}

.download-description {
    color: #4a5568;
    margin-bottom: 18px;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    font-weight: 500;
}

.app-download-buttons, .pc-download-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.app-download-buttons {
    justify-content: center;
}

.btn-download {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 160px;
    justify-content: center;
}

.btn-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

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

.btn-official {
    background: linear-gradient(135deg, #0052ff 0%, #667eea 50%, #764ba2 100%);
    color: white;
    box-shadow: 0 8px 24px rgba(0, 82, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.2);
    min-width: 200px;
    font-size: var(--font-size-lg);
}

.btn-official:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 32px rgba(0, 82, 255, 0.5);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-icon {
    font-size: var(--font-size-xl);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.btn-text strong {
    font-size: var(--font-size-base);
    font-weight: 700;
}

.btn-text small {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    font-weight: 400;
}

.download-incentives {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    padding: 16px;
    margin: 15px 0;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.incentive-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    padding: 4px 0;
}

.incentive-item:last-child {
    margin-bottom: 0;
}

.incentive-icon {
    font-size: var(--font-size-lg);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.incentive-text {
    font-size: var(--font-size-sm);
    color: #374151;
    line-height: var(--line-height-normal);
}

.incentive-text strong {
    color: #dc2626;
    font-weight: 700;
}

.download-note {
    font-size: var(--font-size-base);
    color: #0052ff;
    font-weight: 700;
    margin-top: 15px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #f59e0b 100%);
    border-radius: 20px;
    border: 2px solid #f59e0b;
    display: inline-block;
    animation: glow 2s ease-in-out infinite alternate;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
    line-height: var(--line-height-normal);
}

@keyframes glow {
    from {
        box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
        transform: scale(1);
    }
    to {
        box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
        transform: scale(1.02);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 82, 255, 0.4);
    }
    70% {
        transform: scale(1.02);
        box-shadow: 0 0 0 10px rgba(0, 82, 255, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 82, 255, 0);
    }
}

/* Web3钱包区域 */
.web3-wallet {
    padding: 40px 0;
    background: #f8fafc;
}

.wallet-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.wallet-feature {
    background: white;
    padding: 24px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    text-align: center;
}

.wallet-feature .feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.wallet-feature h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.wallet-feature p {
    color: #666;
    line-height: 1.6;
}

.supported-chains {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: white;
    border-radius: 10px;
}

.supported-chains p {
    color: #666;
    font-size: 16px;
}

/* 交易币种区域 */
.trading-coins {
    padding: 40px 0;
    background: white;
}

.coins-section {
    margin: 40px 0;
}

.coins-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.coins-section > p {
    color: #666;
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.popular-coins {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.coin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.coin-item {
    background: #f8fafc;
    padding: 16px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.coin-item:hover {
    background: #e2e8f0;
}

.coin-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.coin-name {
    font-weight: 500;
    color: #1a1a1a;
}

.coin-symbol {
    font-weight: 600;
    color: #0052ff;
    font-size: 14px;
}

/* 最新资讯区域 */
.news {
    padding: 60px 0;
    background: white;
}

.news-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.news-item {
    background: #f8fafc;
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 82, 255, 0.1);
    border-color: #0052ff;
}

.news-date {
    color: #0052ff;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
}

.news-item .news-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-summary {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.news-link {
    color: #0052ff;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: #0066ff;
    text-decoration: underline;
}

/* 对比表格样式 */
.comparison {
    padding: 60px 0;
    background: #f8fafc;
}

.section-subtitle {
    font-size: 18px;
    color: #64748b;
    text-align: center;
    margin-top: 10px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.comparison-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

/* 亮点展示区域 */
.comparison-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: #e2e8f0;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: white;
    border-radius: 6px;
    border: 1px solid #d1d5db;
}

.highlight-item:hover {
    background: #f9fafb;
}

.highlight-icon {
    font-size: 20px;
}

.highlight-text {
    color: #374151;
    font-weight: 500;
    font-size: 14px;
}

/* 对比表格 */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    margin-bottom: 30px;
}

.comparison-header {
    background: #f3f4f6;
    color: #374151;
    border-bottom: 2px solid #d1d5db;
}

.comparison-header .comparison-item {
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-bottom: none;
}

.comparison-row {
    border-bottom: 1px solid #e2e8f0;
}

.comparison-row:nth-child(even) {
    background-color: #f9fafb;
}

.comparison-row:hover {
    background-color: #f3f4f6;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-item {
    padding: 16px;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: top;
}

.comparison-item.category {
    background: #f9fafb;
    font-weight: 600;
    font-size: 14px;
    color: #374151;
    text-align: left;
    border-right: 1px solid #e5e7eb;
}

/* 移除复杂的内容样式，使用简单的文本显示 */

/* 移除特殊颜色样式 */

/* 总结卡片 */
.comparison-summary {
    margin-top: 30px;
}

.summary-card {
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
}

.summary-card:hover {
    background: #f1f5f9;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #10b981 0%, #3b82f6 50%, #8b5cf6 100%);
}

.summary-header {
    margin-bottom: 20px;
}

.summary-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #374151;
    margin: 0;
    text-align: center;
}

.summary-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    text-align: left;
}

.summary-list li {
    padding: 8px 0;
    font-size: 14px;
    color: #6b7280;
}

/* 移除列表项图标 */

.summary-cta {
    text-align: center;
    margin-top: 30px;
}

.summary-btn {
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.summary-btn:hover {
    background: #e5e7eb;
}

/* 常见问题区域 */
.faq {
    padding: 40px 0;
    background: white;
}

.faq-list {
    margin-top: 32px;
}

.faq-item {
    background: #f8fafc;
    margin-bottom: 12px;
    border-radius: 8px;
    padding: 20px;
    transition: background 0.3s ease;
}

.faq-item:hover {
    background: #e2e8f0;
}

.faq-item h3 {
    font-size: 1.1rem;
    font-weight: 500;
    color: #1a1a1a;
    margin: 0;
}

/* 领先交易所区域 */
.leading-exchange {
    padding: 40px 0;
    background: #f8fafc;
    text-align: center;
}

/* 资讯详情页面样式 */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    margin-top: 40px;
}

.article-main {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.article-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 30px;
    margin-bottom: 30px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
}

.article-category {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.article-date {
    color: #888;
}

.article-author {
    color: #0066cc;
    font-weight: 500;
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    color: #1a1a1a;
    margin: 0 0 15px 0;
}

.article-subtitle {
    font-size: 18px;
    color: #666;
    line-height: 1.5;
    margin: 0 0 20px 0;
}

.article-stats {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: #888;
}

.article-image {
    margin: 30px 0;
    text-align: center;
}

.article-image img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.image-caption {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
    font-style: italic;
}

.article-content {
    line-height: 1.8;
    color: #333;
}

.content-section {
    margin-bottom: 40px;
}

.content-section h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #0066cc;
}

.content-section p {
    margin-bottom: 16px;
    font-size: 16px;
}

.content-section ul {
    margin: 20px 0;
    padding-left: 0;
}

.content-section li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    list-style: none;
}

.content-section li::before {
    content: "•";
    color: #0066cc;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.content-section strong {
    color: #0066cc;
    font-weight: 600;
}

.article-tags {
    margin: 40px 0 30px 0;
    padding: 20px 0;
    border-top: 1px solid #eee;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-label {
    font-weight: 500;
    color: #666;
    margin-right: 10px;
}

.article-tag {
    background: #f5f7fa;
    color: #0066cc;
    padding: 6px 12px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.article-tag:hover {
    background: #0066cc;
    color: white;
    transform: translateY(-2px);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.share-label {
    font-weight: 500;
    color: #666;
}

.share-btn {
    background: #f5f7fa;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    color: #666;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: #0066cc;
    color: white;
    transform: translateY(-2px);
}

/* 侧边栏样式 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-section {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid #0066cc;
}

.related-articles {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.related-item {
    display: flex;
    gap: 15px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.related-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.related-image {
    flex-shrink: 0;
}

.related-image img {
    width: 100px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
}

.related-content h4 {
    margin: 0 0 8px 0;
    font-size: 14px;
    line-height: 1.4;
}

.related-content h4 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.related-content h4 a:hover {
    color: #0066cc;
}

.related-date {
    font-size: 12px;
    color: #888;
}

.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.popular-tag {
    background: #f5f7fa;
    color: #666;
    padding: 6px 12px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s ease;
}

.popular-tag:hover {
    background: #0066cc;
    color: white;
    transform: translateY(-2px);
}

.newsletter-signup p {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.newsletter-input {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
}

.newsletter-input:focus {
    border-color: #0066cc;
}

.newsletter-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* 移动端下载浮框 */
.mobile-download-float {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #0052ff 0%, #0041cc 100%);
    color: white;
    z-index: 9999;
    transform: translateY(0);
    transition: transform 0.3s ease-in-out;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-download-float.show {
    transform: translateY(0);
}

.mobile-download-float.hide {
    transform: translateY(100%);
}

.float-content {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    gap: 12px;
    max-width: 100%;
}

.float-icon {
    flex-shrink: 0;
}

.app-logo {
    font-size: 32px;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.float-text {
    flex: 1;
    min-width: 0;
}

.float-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 2px;
}

.float-subtitle {
    font-size: 12px;
    opacity: 0.9;
    line-height: 1.2;
}

.float-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.float-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    min-width: 80px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
}

.float-btn:hover,
.float-btn:focus {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
    outline: none;
}

.float-btn:active {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0.98);
}

.float-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.float-btn:active::before {
    width: 120%;
    height: 120%;
}

.float-close {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.7;
}

.float-close:hover {
    background: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

/* 桌面端隐藏浮框 */
@media (min-width: 769px) {
    .mobile-download-float {
        display: none;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .article-main {
        padding: 25px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .article-share {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

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

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

    .clients-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .wallet-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .popular-coins, .coin-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* 移动端对比表格优化 */
    .comparison {
        padding: 60px 0;
    }
    
    .comparison-highlight {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 20px;
        margin-bottom: 30px;
    }
    
    .highlight-item {
        padding: 12px;
        gap: 8px;
    }
    
    .highlight-icon {
        font-size: 20px;
    }
    
    .highlight-text {
        font-size: 14px;
    }
    
    .comparison-table {
        border-radius: 15px;
        margin-bottom: 30px;
    }
    
    .comparison-header {
        display: none; /* 隐藏表头，使用卡片式布局 */
    }
    
    .comparison-row {
        display: block;
        margin-bottom: 20px;
        background: white;
        border-radius: 15px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        border-bottom: none;
    }
    
    .comparison-row:hover {
        transform: none;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    }
    
    .comparison-item {
        display: block;
        padding: 20px;
        border-bottom: 1px solid #e2e8f0;
        border-left: none;
    }
    
    .comparison-item.category {
        background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
        color: white;
        font-size: 18px;
        font-weight: 700;
        text-align: center;
        border-right: none;
        border-bottom: none;
    }
    
    .comparison-item.okx {
        background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
        border-left: none;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .comparison-item.okx::before {
        content: '🏆 欧易 OKX';
        display: block;
        font-weight: 700;
        color: #059669;
        margin-bottom: 10px;
        font-size: 16px;
    }
    
    .comparison-item.small {
        background: linear-gradient(135deg, #fef2f2 0%, #fecaca 100%);
        border-left: none;
        border-bottom: none;
    }
    
    .comparison-item.small::before {
        content: '📉 小型交易所';
        display: block;
        font-weight: 700;
        color: #dc2626;
        margin-bottom: 10px;
        font-size: 16px;
    }
    
    .comparison-content {
        text-align: left;
    }
    
    .comparison-value {
        font-size: 16px;
    }
    
    .comparison-detail {
        font-size: 13px;
    }
    
    .comparison-badge {
        margin-top: 6px;
        font-size: 11px;
        padding: 4px 8px;
    }
    
    .summary-card {
        padding: 25px;
        border-radius: 15px;
    }
    
    .summary-header {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        margin-bottom: 20px;
    }
    
    .summary-icon {
        font-size: 28px;
    }
    
    .summary-header h3 {
        font-size: 20px;
    }
    
    .summary-list {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-bottom: 25px;
    }
    
    .summary-list li {
        font-size: 15px;
        padding: 8px 0;
    }
    
    .summary-btn {
        padding: 12px 30px;
        font-size: 16px;
        width: 100%;
        max-width: 280px;
    }

    .app-download-buttons, .pc-download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary {
        min-height: 48px;
        min-width: 100px;
        font-size: 16px;
        padding: 14px 28px;
    }
    
    .btn {
        min-height: 48px;
        padding: 12px 24px;
        font-size: 16px;
    }
    
    .download-buttons {
        flex-direction: column;
        gap: 16px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .download-buttons .btn {
        width: 100%;
        min-height: 50px;
        padding: 16px 24px;
        font-size: 16px;
    }

    .showcase-content {
        flex-direction: column;
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .showcase-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .showcase-devices {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .app-download-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-download {
        min-width: 200px;
        padding: 14px 20px;
    }
    
    .client-section {
        padding: 20px 16px;
    }
    
    .features-highlight {
        gap: 6px;
    }
    
    .feature-tag {
        padding: 3px 8px;
        font-size: 10px;
    }
    
    .phone-mockup {
        width: 220px;
        height: 440px;
        padding: 16px;
    }
    
    .download-incentives {
        padding: 12px;
        margin: 12px 0;
    }
    
    .incentive-item {
        gap: 6px;
        margin-bottom: 6px;
    }
    
    .incentive-icon {
        width: 24px;
        height: 24px;
        font-size: var(--font-size-sm);
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动效果 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.phone-mockup {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}