/* 首页专用样式 - 微信绿主题 */

/* ===== 基础变量继承 ===== */
:root {
    /* 主色调 - 微信绿配色 */
    --primary: #07C160;
    --primary-dark: #06AD56;
    --primary-light: #38D9A9;
    --primary-gradient: linear-gradient(135deg, #07C160 0%, #38D9A9 100%);
    --secondary: #2E3A47;
    --accent: #FF6B35;
    --success: #07C160;
    --warning: #FAAD14;
    --danger: #FF4757;

    /* 文字颜色 */
    --text-primary: #2C3E50;
    --text-secondary: #5A6C7D;
    --text-light: #95A5A6;
    --text-muted: #BDC3C7;

    /* 背景色 */
    --bg-white: #FFFFFF;
    --bg-light: #F8FFFC;
    --bg-secondary: #F0F9F5;
    --bg-gray: #E8F5E8;
    --bg-gradient: linear-gradient(135deg, #F8FFFC 0%, #F0F9F5 100%);

    /* 边框 */
    --border-light: #E8F5E8;
    --border-medium: #D1E7DD;
    --border-dark: #A8D5BA;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(7, 193, 96, 0.08);
    --shadow: 0 4px 12px rgba(7, 193, 96, 0.12);
    --shadow-md: 0 8px 24px rgba(7, 193, 96, 0.15);
    --shadow-lg: 0 12px 28px rgba(7, 193, 96, 0.18);
    --shadow-xl: 0 20px 40px rgba(7, 193, 96, 0.25);

    /* 圆角 */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;

    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* 字体 */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== 英雄区域 ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #047857 100%);
    color: white;
    display: flex;
    align-items: center;
    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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-wrapper {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    animation: fadeInLeft 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 0.5rem 1rem;
    margin-bottom: 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, rgba(255, 255, 255, 0.9));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 400;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.stat-label {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: rgba(255, 255, 255, 0.9);
}

.stat-desc {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    animation: fadeInRight 1s ease-out;
}

.hero-cards {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
    animation: float 3s ease-in-out infinite;
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.card-1 {
    top: 20px;
    left: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    animation-delay: 0s;
}

.card-2 {
    top: 100px;
    right: 20px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    animation-delay: 2s;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.card-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    animation: float-bubble 6s ease-in-out infinite;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
    animation-delay: 0s;
}

.circle-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -100px;
    animation-delay: 2s;
}

.circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 10%;
    animation-delay: 4s;
}

/* ===== 动画 ===== */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float-bubble {
    0%, 100% {
        transform: translateY(0px) scale(1);
    }
    50% {
        transform: translateY(-30px) scale(1.1);
    }
}

/* ===== 产品分类区域 ===== */
.products {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-gradient);
    position: relative;
}

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

.section-badge {
    display: inline-flex;
    align-items: center;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-2xl);
    padding: 0.5rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.product-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.product-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow);
}

.product-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-2xl);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-badge.hot {
    background: linear-gradient(135deg, #ff6b6b, #ff5252);
    color: white;
}

.product-badge.new {
    background: linear-gradient(135deg, #4ecdc4, #44a8a0);
    color: white;
}

.product-badge.ai {
    background: linear-gradient(135deg, #a8e6cf, #7fcdbb);
    color: var(--secondary);
}

.product-body {
    text-align: center;
}

.product-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.75rem;
}

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

.product-footer {
    text-align: center;
}

.product-count {
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    display: inline-block;
}

.section-footer {
    text-align: center;
    margin-top: 3rem;
}

.section-footer-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===== 精选产品区域 ===== */
.featured {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.featured-item {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.featured-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.featured-header {
    background: var(--bg-gradient);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
}

.featured-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-gradient);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.vendor-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    box-shadow: var(--shadow-sm);
}

.vendor-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.featured-body {
    padding: 1.5rem;
}

.featured-title {
    margin-bottom: 1rem;
}

.featured-title a {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.featured-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.featured-footer {
    padding: 1.5rem;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.price-section {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.price-main {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary);
}

.price-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===== 全球覆盖区域 ===== */
.coverage {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-gradient);
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.coverage-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

.coverage-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.coverage-flag {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-light);
}

.coverage-flag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.coverage-flag i {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.coverage-info h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.coverage-info p {
    color: var(--primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

/* ===== 平台优势区域 ===== */
.advantages {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    border-radius: var(--radius-xl);
    background: var(--bg-gradient);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.advantage-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-md);
}

.advantage-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.advantage-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* ===== 最新资讯区域 ===== */
.news {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-gradient);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.btn-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-link:hover {
    color: var(--primary-dark);
    transform: translateX(4px);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.news-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
}

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

.news-date {
    color: var(--primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: 1rem;
}

.news-title {
    margin-bottom: 1rem;
}

.news-title a {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--secondary);
    text-decoration: none;
    transition: var(--transition);
    line-height: 1.3;
}

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

.news-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
  /* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-cards {
        width: 350px;
        height: 350px;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .featured-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 90vh;
        padding: 2rem 0;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .hero-cards {
        width: 300px;
        height: 300px;
    }

    .floating-card {
        padding: 1rem;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .featured-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .coverage-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-header {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        min-height: 80vh;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

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

    .hero-cards {
        width: 250px;
        height: 250px;
    }

    .floating-card {
        padding: 0.75rem;
    }

    .card-icon {
        font-size: 1.5rem;
    }

    .card-text {
        font-size: var(--font-size-xs);
    }

    .product-card {
        padding: 1.5rem;
    }

    .product-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .featured-header {
        padding: 1rem;
    }

    .featured-body {
        padding: 1rem;
    }

    .featured-footer {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .coverage-item {
        padding: 1rem;
    }

    .coverage-flag {
        width: 50px;
        height: 50px;
    }

    .advantage-item {
        padding: 1.5rem;
    }

    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .news-item {
        padding: 1.5rem;
    }
}

/* ===== 辅助类 ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-glow {
    box-shadow: 0 0 20px rgba(7, 193, 96, 0.3);
}

.border-gradient {
    border: 2px solid;
    border-image: var(--primary-gradient) 1;
}

.backdrop-blur {
    backdrop-filter: blur(10px);
}

/* ===== 性能优化 ===== */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
}

.hero-content {
    max-width: 600px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
    animation: slideInLeft 0.8s ease-out;
}

.badge-text {
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: white;
    display: block;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-desc {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.7);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background-color: white;
    color: var(--primary);
    border-color: white;
}

.btn-primary:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
}

/* ===== 英雄区视觉效果 ===== */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: fadeInUp 0.8s ease-out 1s both;
}

.hero-cards {
    position: relative;
    width: 400px;
    height: 400px;
}

.floating-card {
    position: absolute;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.floating-card .card-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: white;
}

.floating-card .card-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
}

.card-1 {
    top: 0;
    left: 0;
    animation: float1 6s ease-in-out infinite;
}

.card-2 {
    top: 100px;
    right: 50px;
    animation: float2 8s ease-in-out infinite;
}

.card-3 {
    bottom: 50px;
    left: 100px;
    animation: float3 7s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(5deg); }
    66% { transform: translateY(10px) rotate(-5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-15px) rotate(-3deg); }
    50% { transform: translateY(8px) rotate(3deg); }
    75% { transform: translateY(-5px) rotate(-1deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    40% { transform: translateY(-12px) rotate(4deg); }
    80% { transform: translateY(6px) rotate(-2deg); }
}

/* ===== 装饰元素 ===== */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -100px;
    animation: pulse 4s ease-in-out infinite;
}

.circle-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -50px;
    animation: pulse 4s ease-in-out infinite 2s;
}

.circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 10%;
    animation: pulse 4s ease-in-out infinite 1s;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* ===== 通用区块样式 ===== */
section {
    padding: var(--spacing-3xl) 0;
}

section:nth-child(even) {
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary);
    color: white;
    border-radius: 50px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease-out both;
}

.section-badge i {
    font-size: var(--font-size-xs);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

.section-footer-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* ===== 产品分类网格 ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.product-card {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.05), transparent);
    transition: left 0.6s ease;
}

.product-card:hover::before {
    left: 100%;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.product-header {
    position: relative;
    padding: var(--spacing-lg);
    text-align: center;
}

.product-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
    color: white;
    transition: var(--transition);
}

.product-card:hover .product-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-badge.hot {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.product-badge.new {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.product-badge.ai {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.product-body {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    flex-grow: 1;
    text-align: center;
}

.product-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.product-card:hover .product-title {
    color: var(--primary);
}

.product-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

.product-footer {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.product-count {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== 精选产品网格 ===== */
.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.featured-item {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out both;
    animation-delay: var(--delay);
}

.featured-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.featured-header {
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-light);
}

.featured-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: var(--radius);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.featured-badge i {
    font-size: var(--font-size-xs);
}

.vendor-logo {
    width: 40px;
    height: 40px;
    background-color: var(--bg-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.vendor-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.featured-body {
    padding: var(--spacing-lg);
}

.featured-content {
    margin-bottom: var(--spacing-lg);
}

.featured-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.featured-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.featured-specs {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.featured-specs ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.featured-specs li {
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.featured-specs li i {
    color: var(--primary);
    width: 16px;
    text-align: center;
}

.featured-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.price-main {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.price-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ===== 全球覆盖网格 ===== */
.coverage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.coverage-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out both;
}

.coverage-item:nth-child(1) { animation-delay: 0.1s; }
.coverage-item:nth-child(2) { animation-delay: 0.2s; }
.coverage-item:nth-child(3) { animation-delay: 0.3s; }
.coverage-item:nth-child(4) { animation-delay: 0.4s; }
.coverage-item:nth-child(5) { animation-delay: 0.5s; }
.coverage-item:nth-child(6) { animation-delay: 0.6s; }

.coverage-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    color: var(--primary);
    border-color: var(--primary);
}

.coverage-flag {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-light);
    margin-right: var(--spacing-md);
    flex-shrink: 0;
    border: 2px solid var(--border-light);
}

.coverage-flag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.coverage-flag i {
    font-size: var(--font-size-lg);
    color: var(--primary);
}

.coverage-info {
    flex-grow: 1;
}

.coverage-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    transition: color 0.2s ease;
}

.coverage-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* ===== 平台优势网格 ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-item {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out both;
}

.advantage-item:nth-child(1) { animation-delay: 0.1s; }
.advantage-item:nth-child(2) { animation-delay: 0.2s; }
.advantage-item:nth-child(3) { animation-delay: 0.3s; }
.advantage-item:nth-child(4) { animation-delay: 0.4s; }

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.advantage-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-2xl);
    color: white;
    transition: var(--transition);
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.3);
}

.advantage-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.advantage-desc {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* ===== 最新资讯 ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.news-item {
    padding: var(--spacing-lg);
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out both;
}

.news-item:nth-child(1) { animation-delay: 0.1s; }
.news-item:nth-child(2) { animation-delay: 0.2s; }
.news-item:nth-child(3) { animation-delay: 0.3s; }
.news-item:nth-child(4) { animation-delay: 0.4s; }

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

.news-date {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.news-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.news-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.news-excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.btn-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-link:hover {
    color: var(--primary-dark);
}

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

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

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        margin-top: var(--spacing-2xl);
    }

    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

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

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

    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-2xl) 0;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        max-width: 300px;
        margin: 0 auto var(--spacing-xl);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .btn {
        width: 200px;
        justify-content: center;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }

    .hero-cards {
        width: 300px;
        height: 300px;
    }

    .floating-card {
        width: 80px;
        height: 80px;
    }

    .floating-card .card-icon {
        font-size: var(--font-size-xl);
    }

    .coverage-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

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

    section {
        padding: var(--spacing-2xl) 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .product-card {
        padding: var(--spacing-md);
    }

    .product-icon {
        width: 64px;
        height: 64px;
        font-size: var(--font-size-xl);
    }

    .advantage-icon {
        width: 80px;
        height: 80px;
        font-size: var(--font-size-xl);
    }

    .featured-item {
        padding: var(--spacing-md);
    }

    .coverage-item {
        padding: var(--spacing-md);
    }

    .coverage-flag {
        width: 48px;
        height: 48px;
        margin-right: var(--spacing-sm);
    }

    .decoration-circle {
        display: none;
    }
}

/* ===== 微交互增强 ===== */
.product-card,
.featured-item,
.coverage-item,
.advantage-item,
.news-item {
    position: relative;
}

/* 悬停光晕效果 */
.product-card:hover,
.featured-item:hover,
.coverage-item:hover,
.advantage-item:hover {
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.1);
}

/* 按钮悬停效果 */
.btn:hover {
    transform: translateY(-2px);
}

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

/* 加载状态 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 无障碍支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 打印样式 */
@media print {
    .hero-decoration,
    .floating-card {
        display: none;
    }

    .hero {
        background: none;
        color: black;
    }

    .btn {
        border: 1px solid black;
    }
}