/* Homepage specific styles - Modern Minimalist Design */
/* 首页专用样式 - 现代简约风格 */

:root {
    /* ========== 首页专用颜色 (Homepage Colors) ========== */
    --primary-color: #165DFF; /* 企业蓝 */
    --primary-hover: #0E42D2;
    --primary-active: #09319F;
    
    /* 辅助色 */
    --accent-color: #00B42A; /* 成功/强调色 */
    --text-main: #1D2129;
    --text-sub: #4E5969;
    --text-weak: #86909C;
    
    /* 背景色 */
    --bg-body: #F7F8FA;
    --bg-white: #FFFFFF;
    --bg-glass: rgba(255, 255, 255, 0.9);
    
    /* 渐变 - 仅用于极少数强调区域，且非常克制 */
    --gradient-hero: linear-gradient(180deg, rgba(22, 93, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    --gradient-card-hover: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(22, 93, 255, 0.02) 100%);

    /* ========== 首页专用阴影 (Homepage Shadows) ========== */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
    
    /* ========== 动画 (Animation) ========== */
    --ease-out-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --animation-duration-base: 0.3s;
}

body.home-page {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 针对移动端的触摸优化 */
@media (hover: none) and (pointer: coarse) {
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    a, button {
        touch-action: manipulation;
    }
}

/* Navigation - 简约风格 */
.home-nav { 
    position: fixed; 
    top: 0; 
    left: 0; 
    right: 0; 
    z-index: 100; 
    padding: 16px 32px; 
    transition: all var(--animation-duration-base) var(--ease-out-smooth); 
    background: transparent;
    border-bottom: 1px solid transparent;
}

.home-nav.scrolled { 
    background: rgba(255, 255, 255, 0.95); 
    backdrop-filter: blur(10px); 
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm); 
    border-bottom-color: rgba(0,0,0,0.05); 
    padding: 12px 32px;
}

.home-nav-inner { 
    max-width: 1200px; 
    margin: 0 auto; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
}

.home-nav .logo { 
    font-size: 22px; 
    font-weight: 700; 
    color: #fff; /* 默认白色 */
    text-decoration: none; 
    letter-spacing: -0.01em; 
    display: flex; 
    align-items: center; 
    gap: 8px;
    transition: color 0.3s ease;
}

.home-nav.scrolled .logo {
    color: var(--text-main); /* 滚动后变黑 */
}

.home-nav .logo span { 
    color: inherit;
    font-weight: 400;
    opacity: 0.8;
}

.home-nav-links { display: flex; gap: 32px; align-items: center; }

.home-nav-links a { 
    color: rgba(255, 255, 255, 0.8); 
    text-decoration: none; 
    font-size: 15px; 
    font-weight: 500; 
    transition: color 0.2s ease;
}

.home-nav.scrolled .home-nav-links a {
    color: var(--text-sub);
}

.home-nav-links a:hover { 
    color: #fff; 
}

.home-nav.scrolled .home-nav-links a:hover {
    color: var(--primary-color);
}

.home-nav-links .btn { 
    padding: 8px 20px; 
    font-size: 14px; 
    background: #fff; 
    color: var(--primary-color); 
    border-radius: 6px; 
    font-weight: 600; 
    transition: all 0.2s ease;
}

.home-nav.scrolled .home-nav-links .btn {
    background: var(--primary-color);
    color: #fff;
}

.home-nav-links .btn:hover { 
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.nav-toggle { 
    display: none; 
    background: none; 
    border: none; 
    color: #fff; 
    font-size: 24px; 
    cursor: pointer; 
    padding: 4px; 
}

.home-nav.scrolled .nav-toggle {
    color: var(--text-main);
}

/* Mobile Nav */
.mobile-nav-overlay { 
    position: fixed; 
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0; 
    background: rgba(0, 0, 0, 0.5); 
    backdrop-filter: blur(4px);
    z-index: 99; 
    opacity: 0; 
    pointer-events: none; 
    transition: opacity 0.3s ease; 
    display: none; 
}
.mobile-nav-overlay.open { 
    opacity: 1; 
    pointer-events: auto; 
}
.mobile-nav-menu { 
    position: fixed; 
    top: 0; 
    right: -300px; 
    width: 280px; 
    max-width: 85vw;
    height: 100%; 
    background: #fff; 
    z-index: 101; 
    padding: 24px; 
    transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1); 
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15); 
    display: none;
    overflow-y: auto;
}
.mobile-nav-menu.open { 
    right: 0; 
}
.mobile-nav-menu .mobile-nav-close { 
    display: flex; 
    justify-content: flex-end; 
    margin-bottom: 24px; 
}
.mobile-nav-menu .mobile-nav-close button { 
    background: none; 
    border: none; 
    font-size: 32px; 
    color: var(--text-sub); 
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color 0.2s ease;
}
.mobile-nav-menu .mobile-nav-close button:hover {
    color: var(--text-main);
}
.mobile-nav-menu a { 
    display: block; 
    padding: 16px 0; 
    font-size: 16px; 
    color: var(--text-main); 
    text-decoration: none; 
    border-bottom: 1px solid var(--bg-body); 
    font-weight: 500;
    transition: color 0.2s ease, padding-left 0.2s ease;
}
.mobile-nav-menu a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}
.mobile-nav-menu a.btn { 
    text-align: center; 
    margin-top: 24px; 
    background: var(--primary-color); 
    color: #fff; 
    border-radius: 8px; 
    border: none; 
    padding: 14px;
    font-weight: 600;
}
.mobile-nav-menu a.btn:hover {
    padding-left: 14px;
    background: var(--primary-hover);
}

/* Hero Carousel - 现代商务风格 */
.hero-carousel { 
    position: relative; 
    width: 100%; 
    height: 600px; /* 固定高度，不过高 */
    overflow: hidden; 
    background: #000;
}

.carousel-backgrounds { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: 0; 
}

.hero-bg { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background-size: cover; 
    background-position: center; 
    background-repeat: no-repeat;
    opacity: 0; 
    transform: scale(1.1);
    transition: opacity 1.5s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 12s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
    z-index: 0;
    will-change: opacity, transform;
    /* 图片优化 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.hero-bg.active { 
    opacity: 1; 
    transform: scale(1);
    z-index: 1;
}

/* 轮播指示器（可选） */
.carousel-indicators {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 3;
}

.carousel-indicators .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicators .dot.active {
    width: 24px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.9);
}

.hero-overlay { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: rgba(0, 0, 0, 0.4); 
    background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.2) 100%);
    z-index: 1; 
}

.hero-inner { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 24px; 
    position: relative; 
    z-index: 2; 
    height: 100%; 
    width: 100%; 
}

.hero-text { 
    max-width: 800px; 
    text-align: center; 
    color: #fff; 
    animation: fadeInUp 0.8s ease-out forwards; 
}

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

/* 页面元素淡入动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 为各个section添加淡入效果 */
.section {
    animation: fadeIn 0.6s ease-out;
}

/* 卡片悬停效果增强 */
.feature-card,
.pricing-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover,
.pricing-card:hover {
    transform: translateY(-6px);
}

/* 按钮点击反馈 */
.btn:active {
    transform: scale(0.98);
}

.hero-btns .btn:active {
    transform: translateY(-1px) scale(0.98);
}

.hero-text h1 { 
    font-size: 56px; 
    font-weight: 700; 
    line-height: 1.1; 
    margin-bottom: 24px; 
    letter-spacing: -0.02em; 
    color: #ffffff; 
}

.hero-text h1 span { 
    color: #fff; /* 保持纯白，去除花哨渐变 */
}

.hero-text p { 
    font-size: 20px; 
    color: rgba(255, 255, 255, 0.9); 
    line-height: 1.6; 
    margin-bottom: 32px; 
    font-weight: 400; 
    max-width: 640px; 
    margin-left: auto;
    margin-right: auto;
}

.hero-badges { 
    list-style: none; 
    display: flex; 
    flex-wrap: wrap; 
    justify-content: center;
    gap: 12px; 
    margin: 0 0 40px; 
    padding: 0; 
}

.hero-badges li { 
    padding: 8px 16px; 
    border-radius: 100px; 
    background: rgba(255, 255, 255, 0.15); 
    border: 1px solid rgba(255, 255, 255, 0.2); 
    font-size: 14px; 
    color: #fff; 
    backdrop-filter: blur(4px); 
}

.hero-btns { 
    display: flex; 
    gap: 16px; 
    justify-content: center; 
}

.hero-btns .btn { 
    padding: 14px 32px; 
    font-size: 16px; 
    font-weight: 600; 
    border-radius: 6px; 
    transition: all 0.2s ease; 
    background: var(--primary-color); 
    color: #fff; 
    border: none; 
    text-decoration: none; 
}

.hero-btns .btn:hover { 
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.hero-btns .btn-outline-white { 
    background: transparent !important; 
    border: 1px solid rgba(255, 255, 255, 0.4) !important; 
    color: #fff !important; 
}

.hero-btns .btn-outline-white:hover { 
    background: #fff !important; 
    color: var(--text-main) !important; 
    border-color: #fff !important; 
}

/* Stats Section - 干净的数据展示 */
.section-stats { 
    padding: 40px 32px; 
    background: #fff; 
    position: relative; 
    z-index: 10; 
    margin-top: -60px; /* 稍微重叠 */
    border-radius: 12px; 
    max-width: 1080px; 
    margin-left: auto; 
    margin-right: auto; 
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06); 
}

.stats-row { 
    display: flex; 
    justify-content: space-around; 
    gap: 32px; 
    flex-wrap: wrap; 
}

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

.stat-item .num { 
    font-size: 40px; 
    font-weight: 700; 
    color: var(--primary-color); /* 使用纯色 */
    margin-bottom: 4px; 
    line-height: 1; 
    letter-spacing: -0.02em;
}

.stat-item .label { 
    color: var(--text-sub); 
    font-size: 14px; 
    font-weight: 500; 
}

/* Sections Common */
.section { 
    padding: 100px 32px; 
    position: relative; 
}

.section-center { 
    max-width: 1200px; 
    margin: 0 auto; 
}

.section-title { 
    text-align: center; 
    margin-bottom: 64px; 
}

.section-title h2 { 
    font-size: 36px; 
    font-weight: 700; 
    color: var(--text-main); 
    margin-bottom: 16px; 
    letter-spacing: -0.02em;
}

.section-title p { 
    color: var(--text-sub); 
    font-size: 18px; 
    max-width: 600px; 
    margin: 0 auto;
    line-height: 1.6;
}

/* Features Section - 极简卡片 */
.section-features { 
    background: var(--bg-body); 
}

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

.feature-card { 
    background: #fff; 
    border-radius: 12px; 
    padding: 32px; 
    border: 1px solid rgba(0,0,0,0.03); 
    box-shadow: var(--shadow-sm); 
    transition: all 0.3s ease; 
    display: flex; 
    flex-direction: column;
}

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

.feature-card .icon { 
    width: 56px; 
    height: 56px; 
    border-radius: 10px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 24px; 
    background: rgba(22, 93, 255, 0.08); 
    color: var(--primary-color);
    font-size: 24px;
}

.feature-card h4 { 
    font-size: 20px; 
    margin-bottom: 12px; 
    color: var(--text-main); 
    font-weight: 600; 
}

.feature-card p { 
    color: var(--text-sub); 
    font-size: 15px; 
    line-height: 1.6; 
}

/* Pricing Section - 清晰定价 */
.section-pricing { 
    background: #fff; 
}

.pricing-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 24px; 
    margin-top: 32px; 
    align-items: stretch; 
}

.pricing-card { 
    background: #fff; 
    border-radius: 12px; 
    padding: 32px; 
    border: 1px solid var(--border-color, #E5E6EB); 
    position: relative; 
    transition: all 0.3s ease; 
}

.pricing-card:hover { 
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md); 
}

.pricing-card.popular { 
    background: #fff; 
    border: 2px solid var(--primary-color); 
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.pricing-card.popular:hover {
    box-shadow: var(--shadow-lg);
}

.popular-tag { 
    display: inline-block; 
    background: var(--primary-color); 
    color: #fff; 
    font-size: 12px; 
    font-weight: 600; 
    padding: 4px 12px; 
    border-radius: 100px; 
    margin-bottom: 16px; 
    text-transform: uppercase; 
}

.pricing-card h4 { 
    font-size: 18px; 
    margin: 0 0 16px; 
    font-weight: 600; 
    color: var(--text-main);
}

.pricing-card .price { 
    display: flex; 
    align-items: baseline; 
    gap: 4px; 
    margin-bottom: 24px; 
}

.pricing-card .price .currency { 
    font-size: 20px; 
    font-weight: 500; 
    color: var(--text-sub);
}

.pricing-card .price .value { 
    font-size: 40px; 
    font-weight: 700; 
    color: var(--text-main);
    letter-spacing: -0.02em;
}

.pricing-card .desc { 
    font-size: 14px; 
    margin-bottom: 8px; 
    font-weight: 500; 
    color: var(--text-sub);
}

.pricing-card .unit { 
    font-size: 13px; 
    margin-bottom: 32px; 
    color: var(--text-weak); 
}

.pricing-card .btn { 
    display: block; 
    width: 100%; 
    padding: 12px; 
    text-align: center; 
    border-radius: 6px; 
    font-weight: 600; 
    text-decoration: none; 
    background: #fff; 
    border: 1px solid var(--border-color, #E5E6EB); 
    color: var(--text-main); 
    transition: all 0.2s ease; 
}

.pricing-card .btn:hover { 
    border-color: var(--primary-color); 
    color: var(--primary-color);
}

.pricing-card.popular .btn { 
    background: var(--primary-color); 
    color: #fff; 
    border: none;
}

.pricing-card.popular .btn:hover { 
    background: var(--primary-hover); 
}

/* API Doc Section - 专业代码展示 */
.section-api { 
    background: var(--bg-body); 
}

.api-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 48px; 
    align-items: center; 
}

.api-table-wrap { 
    background: #fff; 
    border-radius: 12px; 
    box-shadow: var(--shadow-sm); 
    overflow: hidden; 
    border: 1px solid var(--border-color, #E5E6EB); 
}

.api-grid table { 
    width: 100%; 
    border-collapse: collapse; 
}

.api-grid table th { 
    background: #F7F8FA; 
    padding: 16px 24px; 
    text-align: left; 
    font-size: 13px; 
    font-weight: 600; 
    color: var(--text-sub); 
    border-bottom: 1px solid var(--border-color, #E5E6EB); 
}

.api-grid table td { 
    padding: 16px 24px; 
    font-size: 14px; 
    color: var(--text-main); 
    border-bottom: 1px solid var(--border-color, #E5E6EB);
    font-family: 'Fira Code', 'Consolas', monospace;
}

.api-grid table tr:last-child td { 
    border-bottom: none; 
}

.code-section { 
    background: #1e293b; /* 深色代码背景 */
    border-radius: 12px; 
    padding: 24px; 
    position: relative; 
    overflow: hidden; 
    box-shadow: var(--shadow-lg); 
}

.code-section pre { 
    margin: 0; 
    font-family: 'Fira Code', 'Consolas', monospace; 
    font-size: 13px; 
    line-height: 1.6; 
    color: #e2e8f0; 
    overflow-x: auto;
}

.code-section .keyword { color: #c792ea; }
.code-section .string { color: #c3e88d; }
.code-section .comment { color: #697098; font-style: italic; }

/* CTA Section - 简约专业风格 */
.cta-section { 
    background: var(--primary-color);
    padding: 80px 32px; 
    text-align: center; 
    color: #fff; 
    position: relative;
    overflow: hidden;
}

/* 微妙的渐变叠加 */
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(14, 66, 210, 0.3) 0%, transparent 100%);
    pointer-events: none;
}

.cta-section h2 { 
    font-size: 40px; 
    font-weight: 700; 
    margin-bottom: 16px; 
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.cta-section p { 
    font-size: 18px; 
    color: rgba(255, 255, 255, 0.9); 
    margin-bottom: 40px; 
    position: relative;
    z-index: 1;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: 400;
}

.cta-section .cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.cta-section .btn { 
    display: inline-flex; 
    align-items: center;
    justify-content: center;
    padding: 14px 32px; 
    background: #fff; 
    color: var(--primary-color); 
    font-weight: 600; 
    font-size: 16px;
    border-radius: 8px; 
    text-decoration: none; 
    transition: all 0.3s ease; 
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: none;
}

.cta-section .btn:hover { 
    background: #fff; 
    transform: translateY(-2px); 
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.cta-section .btn:active {
    transform: translateY(0);
}

.cta-section .btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Footer - 极简专业风格 */
.footer { 
    background: #f7f8fa; 
    border-top: 1px solid #e5e6eb; 
    color: var(--text-sub); 
    padding: 40px 32px; 
    text-align: center; 
    font-size: 14px;
}

.footer p { 
    margin: 0; 
    line-height: 1.6;
    color: var(--text-sub);
}

.footer a { 
    color: var(--text-main); 
    text-decoration: none; 
    transition: color 0.2s ease; 
    font-weight: 500;
}

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

/* 版权信息容器 */
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* 社交链接或额外信息区域（可选） */
.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-sub);
    transition: color 0.2s ease;
}

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

/* 版权文字 */
.footer-copyright {
    font-size: 13px;
    color: var(--text-weak);
}

/* Responsive */
@media(max-width: 1024px) {
    .hero-text h1 { font-size: 48px; }
    .features-grid, .api-grid { grid-template-columns: 1fr; gap: 32px; }
    .section-stats { margin-top: 0; border-radius: 0; box-shadow: none; border-bottom: 1px solid var(--border-color, #E5E6EB); }
    .section { padding: 60px 24px; }
    .pricing-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}

/* 小屏幕平板优化 */
@media(max-width: 900px) {
    .hero-carousel { height: 550px; }
    .hero-text h1 { font-size: 42px; }
    .stats-row { gap: 24px; }
    .stat-item .num { font-size: 36px; }
}

@media(max-width: 768px) {
    .home-nav { padding: 12px 20px; background: #fff; border-bottom: 1px solid rgba(0,0,0,0.05); }
    .home-nav .logo { color: var(--text-main); }
    .home-nav-links { display: none; }
    .nav-toggle { display: block; color: var(--text-main); }
    .mobile-nav-overlay, .mobile-nav-menu { display: block; }
    
    .hero-carousel { height: 100vh; min-height: 500px; max-height: 700px; padding: 0; background: #0f172a; }
    .hero-bg { display: block; } /* 移动端显示背景图 */
    .hero-overlay { background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%); }
    .hero-inner { padding: 0 20px; }
    
    .hero-text { padding-top: 60px; } /* 避开导航栏 */
    .hero-text h1 { font-size: 36px; margin-bottom: 16px; line-height: 1.2; }
    .hero-text p { font-size: 16px; margin-bottom: 24px; line-height: 1.5; }
    
    .hero-badges { gap: 8px; margin-bottom: 32px; }
    .hero-badges li { font-size: 12px; padding: 6px 12px; }
    
    .hero-btns { flex-direction: column; width: 100%; max-width: 320px; margin: 0 auto; gap: 12px; }
    .hero-btns .btn { width: 100%; text-align: center; padding: 14px 24px; }
    
    .section-stats { padding: 32px 20px; }
    .stats-row { gap: 24px; }
    .stat-item .num { font-size: 32px; }
    .stat-item .label { font-size: 13px; }
    
    .section { padding: 60px 20px; }
    .section-title h2 { font-size: 28px; }
    .section-title p { font-size: 16px; }
    
    .features-grid { gap: 20px; }
    .feature-card { padding: 24px; }
    
    .pricing-grid { gap: 20px; }
    .pricing-card { padding: 24px; }
    
    .cta-section { padding: 60px 24px; }
    .cta-section h2 { font-size: 32px; line-height: 1.3; margin-bottom: 12px; }
    .cta-section p { font-size: 16px; margin-bottom: 32px; }
    .cta-section .cta-buttons { flex-direction: column; gap: 12px; align-items: stretch; max-width: 320px; margin: 0 auto; }
    .cta-section .btn { width: 100%; padding: 14px 28px; font-size: 15px; }
    
    .footer { padding: 32px 20px; font-size: 13px; }
    .footer-links { gap: 16px; margin-bottom: 12px; }
}

/* 超小屏幕优化 (iPhone SE等) */
@media(max-width: 375px) {
    .hero-text h1 { font-size: 32px; }
    .hero-text p { font-size: 15px; }
    .hero-badges li { font-size: 11px; padding: 5px 10px; }
    .hero-btns { max-width: 280px; }
    .hero-btns .btn { padding: 12px 20px; font-size: 15px; }
    
    .section { padding: 50px 16px; }
    .section-title h2 { font-size: 24px; }
    .section-title p { font-size: 15px; }
    
    .cta-section { padding: 56px 20px; }
    .cta-section h2 { font-size: 28px; line-height: 1.3; }
    .cta-section p { font-size: 15px; margin-bottom: 28px; }
    .cta-section .cta-buttons { max-width: 280px; gap: 10px; }
    .cta-section .btn { padding: 13px 24px; font-size: 15px; }
    .footer { padding: 28px 16px; }
}

/* 平板优化 */
@media(min-width: 769px) and (max-width: 1024px) {
    .hero-carousel { height: 500px; }
    .hero-text h1 { font-size: 44px; }
    .hero-text p { font-size: 18px; }
    
    .section { padding: 80px 32px; }
    .section-stats { padding: 36px 32px; }
    
    .cta-section { padding: 80px 32px; }
    .cta-section h2 { font-size: 36px; }
    .cta-section p { font-size: 18px; }
}