/* ===== 基础重置与变量定义 ===== */
:root {
    /* 主色调 */
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #f72585;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    
    /* 中性色 */
    --gray-light: #e9ecef;
    --gray-medium: #adb5bd;
    --gray-dark: #495057;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
    --gradient-accent: linear-gradient(135deg, #f72585 0%, #7209b7 100%);
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 过渡效果 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

/* ===== 布局容器 ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 导航栏样式 ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

.cta-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== 英雄区域样式 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, 
        rgba(67, 97, 238, 0.05) 0%, 
        rgba(58, 12, 163, 0.05) 100%);
    padding: 120px 0 80px;
}

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

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--gray-dark);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

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

/* ===== 特性展示区域 ===== */
.features {
    padding: 100px 0;
    background: var(--light-color);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-title p {
    color: var(--gray-dark);
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

/* ===== 统计数据 ===== */
.stats {
    padding: 80px 0;
    background: var(--gradient-primary);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

/* ===== 页脚样式 ===== */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-medium);
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-links {
        display: none; /* 移动端可添加汉堡菜单 */
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}

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

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* ===== 自定义滚动条 ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}
/* ===== 产品页面特定样式 ===== */

/* 产品页头部 */
.products-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    background: var(--gradient-primary);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.products-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 1000 100" preserveAspectRatio="none"><path d="M0,50 Q250,0 500,50 T1000,50 V100 H0 Z" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: cover;
}

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

.products-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.products-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

/* 产品筛选和搜索 */
.products-controls {
    background: white;
    padding: 2rem 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.controls-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.search-box {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 3rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-medium);
}

.filter-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    background: white;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.sort-select {
    padding: 0.6rem 1.2rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    background: white;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 产品网格布局 */
.products-grid {
    padding: 80px 0;
    background: var(--light-color);
}

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

.product-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-card.featured::before {
    content: 'hot';
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--gradient-accent);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.product-badge.new {
    background: var(--gradient-primary);
}

.product-badge.sale {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

.product-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 1.5rem;
}

.product-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--dark-color);
}

.product-description {
    color: var(--gray-dark);
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

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

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

.product-price .old-price {
    font-size: 1rem;
    color: var(--gray-medium);
    text-decoration: line-through;
    margin-left: 0.5rem;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.product-rating i {
    color: #ffc107;
    font-size: 0.9rem;
}

.product-rating span {
    color: var(--gray-dark);
    font-size: 0.9rem;
    margin-left: 0.3rem;
}

.product-actions {
    display: flex;
    gap: 0.8rem;
}

.action-btn {
    flex: 1;
    padding: 0.8rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.action-btn.secondary {
    background: var(--gray-light);
    color: var(--dark-color);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-btn.primary:hover {
    background: var(--secondary-color);
}

.action-btn.secondary:hover {
    background: var(--gray-medium);
    color: white;
}

/* 产品详情弹窗 */
.product-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: var(--transition-normal);
}

.close-modal:hover {
    background: rgba(0, 0, 0, 0.7);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: white;
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.pagination a.active {
    background: var(--gradient-primary);
    color: white;
}

.pagination a.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination a.disabled:hover {
    background: white;
    color: var(--dark-color);
    transform: none;
}

/* 产品对比表格 */
.comparison-section {
    padding: 80px 0;
    background: white;
}

.comparison-table {
    overflow-x: auto;
    margin-top: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.comparison-table th,
.comparison-table td {
    padding: 1.2rem;
    text-align: center;
    border-bottom: 1px solid var(--gray-light);
}

.comparison-table th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
}

.comparison-table tr:nth-child(even) {
    background: rgba(67, 97, 238, 0.05);
}

.comparison-table .feature {
    text-align: left;
    font-weight: 600;
    background: var(--light-color);
}

.comparison-table .check {
    color: #28a745;
    font-size: 1.2rem;
}

.comparison-table .times {
    color: #dc3545;
    font-size: 1.2rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .products-hero h1 {
        font-size: 2.5rem;
    }
    
    .controls-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        min-width: 100%;
    }
    
    .filter-controls {
        justify-content: center;
    }
    
    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .comparison-table {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .products-hero h1 {
        font-size: 2rem;
    }
    
    .grid-container {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 10px;
        max-height: 95vh;
    }
}
/* ===== 联系我们页面特定样式 ===== */

/* 联系我们页头部 */
.contact-hero {
    min-height: 50vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, 
        rgba(67, 97, 238, 0.1) 0%, 
        rgba(58, 12, 163, 0.1) 100%);
    padding: 120px 0 60px;
    text-align: center;
}

.contact-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-hero p {
    font-size: 1.2rem;
    color: var(--gray-dark);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* 联系方式网格 */
.contact-section {
    padding: 100px 0;
    background: white;
}

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

/* 联系信息卡片 */
.contact-info {
    background: var(--light-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.info-header {
    margin-bottom: 2rem;
}

.info-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.info-header p {
    color: var(--gray-dark);
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-content h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-size: 1.2rem;
}

.info-content p {
    color: var(--gray-dark);
    margin-bottom: 0.3rem;
}

.info-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.info-content a:hover {
    color: var(--secondary-color);
}

.social-connect {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-light);
}

.social-connect h4 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

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

.social-icons a {
    width: 45px;
    height: 45px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.social-icons a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* 联系表单样式 */
.contact-form {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-light);
}

.form-header {
    margin-bottom: 2rem;
}

.form-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.form-header p {
    color: var(--gray-dark);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.form-label .required {
    color: #e63946;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-control.error {
    border-color: #e63946;
}

.error-message {
    color: #e63946;
    font-size: 0.9rem;
    margin-top: 0.3rem;
    display: none;
}

.error-message.show {
    display: block;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.3rem;
}

.checkbox-group label {
    font-size: 0.9rem;
    color: var(--gray-dark);
    line-height: 1.4;
}

.checkbox-group a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-group a:hover {
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.form-success {
    display: none;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f1f8e9 0%, #e8f5e9 100%);
    border-radius: var(--radius-lg);
    margin-top: 2rem;
}

.form-success.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: #4caf50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.form-success h3 {
    color: #2e7d32;
    margin-bottom: 1rem;
}

.form-success p {
    color: #388e3c;
    margin-bottom: 1.5rem;
}

/* 办公地点地图 */
.map-section {
    padding: 100px 0;
    background: var(--light-color);
}

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

.map-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 400px;
    position: relative;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    padding: 2rem;
    text-align: center;
}

.map-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.map-placeholder h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.map-details {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.map-details h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.office-hours {
    margin-top: 2rem;
}

.office-hours h4 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.hours-list {
    list-style: none;
}

.hours-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--gray-light);
}

.hours-list li:last-child {
    border-bottom: none;
}

.day {
    font-weight: 500;
    color: var(--dark-color);
}

.time {
    color: var(--gray-dark);
}

.time.closed {
    color: #e63946;
    font-weight: 500;
}

/* 团队介绍 */
.team-section {
    padding: 100px 0;
    background: white;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    text-align: center;
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.member-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    overflow: hidden;
}

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

.team-member h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.member-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.team-member p {
    color: var(--gray-dark);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.member-contact {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.member-contact a {
    width: 40px;
    height: 40px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.member-contact a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 常见问题 */
.faq-section {
    padding: 100px 0;
    background: var(--light-color);
}

.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--dark-color);
    transition: var(--transition-normal);
}

.faq-question:hover {
    background: rgba(67, 97, 238, 0.05);
}

.faq-question i {
    transition: var(--transition-normal);
    color: var(--primary-color);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
    color: var(--gray-dark);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-hero h1 {
        font-size: 2.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .map-container {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .contact-hero h1 {
        font-size: 2rem;
    }
    
    .contact-info,
    .contact-form,
    .map-details {
        padding: 1.5rem;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .info-icon {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(67, 97, 238, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(67, 97, 238, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(67, 97, 238, 0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}
/* ===== 关于我们页面特定样式 ===== */

/* 页面头部 */
.about-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, 
        rgba(67, 97, 238, 0.9) 0%, 
        rgba(58, 12, 163, 0.9) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" preserveAspectRatio="none"><path d="M0,0 Q250,50 500,0 T1000,0 V100 H0 Z" fill="white" opacity="0.1"/></svg>');
    background-size: cover, cover;
    color: white;
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-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" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    background-size: 100px;
    animation: floatBackground 100s linear infinite;
}

@keyframes floatBackground {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 1000px 1000px;
    }
}

.about-hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.5rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* 公司使命 */
.mission-section {
    padding: 100px 0;
    background: white;
    position: relative;
}

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

.mission-text h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mission-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-dark);
    margin-bottom: 2rem;
}

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

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.stat-card p {
    color: var(--gray-dark);
    font-size: 0.9rem;
    font-weight: 500;
}

.mission-visual {
    position: relative;
}

.visual-circle {
    width: 400px;
    height: 400px;
    margin: 0 auto;
    position: relative;
}

.circle-item {
    position: absolute;
    width: 120px;
    height: 120px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.circle-item:hover {
    transform: scale(1.1);
    z-index: 2;
}

.circle-item:nth-child(1) {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.circle-item:nth-child(2) {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.circle-item:nth-child(3) {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.circle-item:nth-child(4) {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.circle-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
}

/* 公司历史时间线 */
.history-section {
    padding: 100px 0;
    background: var(--light-color);
    position: relative;
}

.timeline {
    max-width: 1000px;
    margin: 4rem auto 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: center;
    margin-bottom: 4rem;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-content {
    width: 45%;
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: auto;
}

.timeline-year {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-year {
    right: -50px;
}

.timeline-item:nth-child(even) .timeline-year {
    left: -50px;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.timeline-content p {
    color: var(--gray-dark);
    line-height: 1.6;
}

/* 价值观 */
.values-section {
    padding: 100px 0;
    background: white;
}

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

.value-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

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

.value-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.value-card p {
    color: var(--gray-dark);
    line-height: 1.6;
}

/* 领导团队 */
.leadership-section {
    padding: 100px 0;
    background: var(--light-color);
}

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.leader-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
}

.leader-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.leader-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.leader-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.leader-card:hover .leader-image img {
    transform: scale(1.05);
}

.leader-info {
    padding: 2rem;
}

.leader-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.leader-title {

    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.leader-bio {
    color: var(--gray-dark);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.leader-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.leader-social a {
    width: 40px;
    height: 40px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.leader-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 办公环境 */
.office-section {
    padding: 100px 0;
    background: white;
}

.office-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 250px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: white;
    font-size: 2rem;
}

/* 合作伙伴 */
.partners-section {
    padding: 80px 0;
    background: var(--light-color);
}

.partners-slider {
    margin-top: 3rem;
    overflow: hidden;
    position: relative;
}

.partners-track {
    display: flex;
    animation: slide 30s linear infinite;
    gap: 3rem;
    padding: 2rem 0;
}

@keyframes slide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.partner-logo {
    flex: 0 0 auto;
    width: 200px;
    height: 100px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    padding: 1rem;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.partner-logo img {
    max-width: 80%;
    max-height: 60%;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition-normal);
}

.partner-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* 号召行动 */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    animation: rotate 60s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .mission-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .visual-circle {
        width: 300px;
        height: 300px;
    }
    
    .circle-item {
        width: 90px;
        height: 90px;
    }
    
    .circle-center {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 768px) {
    .about-hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .mission-text h2 {
        font-size: 2.2rem;
    }
    
    .mission-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px !important;
    }
    
    .timeline-year {
        left: -30px !important;
        right: auto !important;
        width: 80px;
        height: 80px;
        font-size: 1.2rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .leadership-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .office-gallery {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .cta-content h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .about-hero h1 {
        font-size: 2rem;
    }
    
    .mission-stats {
        grid-template-columns: 1fr;
    }
    
    .visual-circle {
        width: 250px;
        height: 250px;
    }
    
    .circle-item {
        width: 70px;
        height: 70px;
        font-size: 0.8rem;
    }
    
    .circle-center {
        width: 100px;
        height: 100px;
        font-size: 1.5rem;
    }
    
    .leader-image {
        height: 200px;
    }
    
    .gallery-item {
        height: 200px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    border-radius: var(--radius-xl);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: var(--transition-normal);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.8);
}

.modal-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}