/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --background: #ffffff;
    --background-light: #f9fafb;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
    padding-top: 120px;
}

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

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--background);
    box-shadow: var(--shadow);
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* 联系信息样式 */
.contact-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
    flex-shrink: 0;
    min-width: 140px;
}

.contact-line {
    font-size: 0.9rem; /* 稍微减小字号以适应更多内容 */
    color: #2563eb; /* 改为蓝色 */
    line-height: 1.3;
    white-space: nowrap;
}

.contact-hotline {
    font-weight: bold; /* 仅咨询热线加粗显示 */
}

.contact-line:first-child {
    margin-bottom: 0.2rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}



/* 通用部分样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.stats {
    display: flex;
    gap: 2rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

/* 服务 */
.services {
    padding: 100px 0;
}

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

.service-card {
    background: var(--background);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
    font-size: 2.5rem;
    transition: all 0.3s ease;
}

.service-icon-blue {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
}

.service-icon-green {
    background: linear-gradient(135deg, #059669, #10b981);
}

.service-icon-orange {
    background: linear-gradient(135deg, #ea580c, #f97316);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-card p {
    color: var(--text-light);
}

/* Banner轮播 - 纯图片模式 */
.hero-slider {
    position: relative;
    height: 610px;
    overflow: hidden;
    background: #f5f5f5;
}

/* 轮播图片响应式控制 */
.hero-slider .mobile-banner {
    display: none;
}

.hero-slider .desktop-banner {
    display: block;
}

.slider-container {
    position: relative;
    height: 100%;
    width: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    pointer-events: none;
}

.slide.active {
    opacity: 1;
    pointer-events: auto;
}

.slide-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

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

/* 轮播手动调节按钮 */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-arrow:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: translateY(-50%) scale(1.1);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: white;
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

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

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

/* 核心产品 */
.core-products {
    padding: 100px 0;
    background: var(--background-light);
}

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

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 1600px;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border-color);
    display: flex;
    text-decoration: none;
    color: inherit;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

.product-icon {
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    background: linear-gradient(135deg, #f8f9ff, #e8f2ff);
    transition: all 0.3s ease;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-icon-large {
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    background: linear-gradient(135deg, #f8f9ff, #e8f2ff);
    transition: all 0.3s ease;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移除背景变色效果 */

.product-icon img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    transition: all 0.3s ease;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.product-icon-large img {
    width: auto;
    height: auto;
    max-width: 260px;
    max-height: 260px;
    object-fit: contain;
    transition: all 0.3s ease;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.product-card:hover .product-icon img {
    transform: scale(1.3);
}

.product-card:hover .product-icon-large img {
    transform: scale(1.3);
}

.product-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.4;
    text-align: center;
}

.product-description {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.product-actions {
    margin-top: auto;
}

.product-actions .btn-primary {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: white;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.product-actions .btn-primary:hover {
    background: linear-gradient(135deg, #764ba2, #667eea);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.product-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.product-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.95rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    padding: 12px 24px;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-slider {
        height: 80vh;
    }
    
    .slide-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .slide-title {
        font-size: 2.5rem;
    }
    
    .slide-description {
        font-size: 1.2rem;
    }
    
    .slide-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .slider-controls {
        display: none;
    }
}

/* 我们的客户 */
.clients {
    padding: 80px 0;
    background: var(--background-light);
}

.clients .section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.client-item {
    background: white;
    border-radius: 10px;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    
    transition: all 0.3s ease;
    min-height: 100px;
}

.client-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.client-item img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(0%);
    transition: filter 0.3s ease;
}

.client-item:hover img {
    filter: grayscale(0%);
}

/* 联系我们 */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-item i {
    width: 20px;
    color: var(--primary-color);
}

.contact-form {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 页脚 */
.footer {
    background: var(--text-color);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a img {
    width: 24px;
    height: 24px;
    filter: invert(1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* ===== 安全产品列表页面样式 ===== */

/* 页面头部 - 匹配参考页面 */
.page-hero {
    background: linear-gradient(135deg, #1a365d, #2b77cb);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-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(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.4rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    font-weight: 300;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.8;
}

.breadcrumb span {
    opacity: 0.7;
}

/* 产品分类导航 - 匹配参考页面 */
.product-categories {
    background: #f8fafc;
    padding: 30px 0;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.category-tabs {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.category-tab {
    padding: 12px 28px;
    border: 2px solid #e2e8f0;
    background: white;
    color: #475569;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.category-tab:hover {
    border-color: #3b82f6;
    color: #3b82f6;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.category-tab.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* 产品列表区域 - 匹配参考页面 */
.products-section {
    padding: 80px 0;
    background: #ffffff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15), 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-color: #cbd5e1;
}

.product-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image i {
    font-size: 2rem;
    color: #ffffff;
    opacity: 1;
    transition: all 0.3s ease;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-card:hover .product-image i {
    opacity: 1;
    transform: scale(1.3);
}

.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #ef4444;
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
    z-index: 10;
}

.product-content {
    padding: 1.75rem;
}

.product-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #1e293b;
    line-height: 1.3;
}

.product-description {
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.feature-tag {
    background: #f1f5f9;
    color: #475569;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #e2e8f0;
}

.product-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    flex: 1;
    min-width: 110px;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-size: 0.9rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: white;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-secondary:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* 加载更多按钮 */
.load-more-container {
    text-align: center;
    margin-top: 3rem;
}

.btn-load-more {
    padding: 15px 40px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-load-more:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/* 产品详情模态框 - 匹配参考页面 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    background-color: #ffffff;
    margin: 3% auto;
    padding: 0;
    border-radius: 24px;
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    position: relative;
    background: linear-gradient(135deg, #1a365d, #2b77cb);
    color: white;
    padding: 2.5rem;
    border-radius: 24px 24px 0 0;
    text-align: center;
}

.modal-header::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(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.2;
    border-radius: 24px 24px 0 0;
}

.modal-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.modal-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
    position: relative;
    z-index: 1;
}

.close {
    position: absolute;
    right: 25px;
    top: 25px;
    color: white;
    font-size: 24px;
    font-weight: 300;
    cursor: pointer;
    z-index: 1001;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.close:hover {
    color: white;
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

.modal-body {
    padding: 2.5rem;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.modal-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.modal-section {
    margin-bottom: 2rem;
}

.modal-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}

.modal-description {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.modal-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.modal-features li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    color: #374151;
    font-size: 1rem;
    line-height: 1.6;
}

.modal-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.1em;
    color: #10b981;
    font-weight: bold;
    font-size: 1.1rem;
}

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

.modal-spec-item {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
}

.modal-spec-label {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.modal-spec-value {
    color: #475569;
    font-size: 0.95rem;
}

.modal-scenarios {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.modal-scenario-tag {
    background: #e0f2fe;
    color: #0369a1;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.modal-footer {
    background: #f8fafc;
    padding: 2rem 2.5rem;
    border-radius: 0 0 24px 24px;
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #e2e8f0;
}

.modal-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
}

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

/* 响应式样式 */
@media (max-width: 768px) {
    .page-hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .category-tab {
        width: 100%;
        max-width: 200px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 95%;
        border-radius: 20px;
        max-height: 90vh;
    }
    
    .modal-header {
        padding: 2rem;
        border-radius: 20px 20px 0 0;
    }
    
    .modal-title {
        font-size: 1.8rem;
    }
    
    .modal-subtitle {
        font-size: 1rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
    
    .modal-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .modal-image {
        height: 250px;
    }
    
    .modal-footer {
        padding: 1.5rem;
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
        text-align: center;
    }
    
    .modal-price {
        font-size: 1.3rem;
    }
    
    .modal-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .page-hero {
        padding: 80px 0 50px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .products-section {
        padding: 60px 0;
    }
    
    .product-content {
        padding: 1.5rem;
    }
    
    .product-title {
        font-size: 1.3rem;
    }
    
    .modal-content {
        margin: 0;
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .modal-header {
        border-radius: 0;
        padding: 1.5rem;
    }
    
    .modal-title {
        font-size: 1.6rem;
    }
    
    .modal-body {
        padding: 1.5rem;
        flex: 1;
        overflow-y: auto;
    }
    
    .modal-footer {
        border-radius: 0;
        padding: 1rem 1.5rem;
    }
}