/* 多商家网站前台样式 */

/* 基础样式重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 导航栏样式 - 现代化版本 */
.navbar {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand, .logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    text-decoration: none;
}

.nav-brand img, .logo img {
    height: 40px;
    margin-right: 10px;
    border-radius: 4px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 6px;
    position: relative;
}

.nav-menu a:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.nav-menu a.active {
    color: #667eea;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: #667eea;
}

.nav-link {
    color: #555;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    font-size: 15px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: #667eea;
}

/* 移动端菜单 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #555;
    cursor: pointer;
}

/* 页面头部样式 - 现代化版本 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 300;
}

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

/* 面包屑导航样式 - 现代化版本 */
.breadcrumb {
    background: white;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
}

.breadcrumb-nav a {
    color: #3498db;
    text-decoration: none;
}

.breadcrumb-nav a:hover {
    text-decoration: underline;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: #3498db;
    border: 2px solid #3498db;
}

.btn-outline:hover {
    background: #3498db;
    color: white;
}

/* 卡片样式 - 现代化版本 */
.card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.card-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.8), rgba(155, 89, 182, 0.8));
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover .card-image::before {
    opacity: 1;
}

.card-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover .card-overlay {
    opacity: 1;
}

.card-content {
    padding: 25px;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.3;
}

.card-summary {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #999;
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 30px;
    margin-bottom: 60px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.btn-lg {
    padding: 15px 30px;
    font-size: 16px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

/* 主要内容区域 */
.main-content {
    min-height: calc(100vh - 200px);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
}

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

.hero h1 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 20px;
}

/* 产品网格 */
.product-grid,
.news-grid,
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.product-card,
.news-card,
.case-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.product-card:hover,
.news-card:hover,
.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}

.product-image,
.news-image,
.case-image {
    width: 100%;
    height: 220px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.product-image img,
.news-image img,
.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-info,
.news-info,
.case-info {
    padding: 25px;
}

.product-info h3,
.news-info h3,
.case-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 12px;
    line-height: 1.4;
}

.product-info p,
.news-info p,
.case-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

/* 联系信息 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.contact-item i {
    font-size: 2rem;
    color: #3498db;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f8ff;
    border-radius: 50%;
}

.contact-item h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 5px;
}

.contact-actions {
    text-align: center;
    margin-top: 30px;
}

.contact-actions .btn {
    margin: 0 10px;
}

/* 底部样式 - 现代化版本 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 30px;
    margin-top: 80px;
}

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

.footer-section h3 {
    margin-bottom: 20px;
    color: #3498db;
}

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

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

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 30px;
    text-align: center;
    color: #bdc3c7;
}

/* 兼容旧样式 */
.footer h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #3498db;
}

.footer p,
.footer li {
    color: #bdc3c7;
    line-height: 1.8;
}

.footer ul {
    list-style: none;
}

.footer a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header {
        padding: 100px 0 60px;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-grid,
    .news-grid,
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-actions .btn {
        display: block;
        margin: 10px 0;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* 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;
}

/* 区块间距 */
.products-section,
.news-section,
.cases-section,
.contact-section {
    padding: 80px 0;
}

.products-section {
    background: white;
}

.news-section {
    background: #f8f9fa;
}

.cases-section {
    background: white;
}

.contact-section {
    background: #f8f9fa;
}

/* 关于我们页面样式 - 现代化美化版 */
.about-content {
    padding: 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    position: relative;
}

.about-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

/* 统一的区域标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title h2 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.section-title p {
    font-size: 1.2rem;
    color: #666;
    font-weight: 300;
    letter-spacing: 0.5px;
    margin-top: 15px;
    opacity: 0.9;
}

/* 主要内容区域间距优化 */
.about-content .container {
    position: relative;
    z-index: 1;
}

.company-intro {
    padding: 80px 0;
    background: white;
    position: relative;
    margin: 40px 0;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    overflow: hidden;
}

.company-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: center;
    margin-top: 60px;
}

.intro-image {
    text-align: center;
    position: relative;
}

.intro-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(45deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 20px;
    z-index: -1;
}

.intro-image img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

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

.company-avatar {
    width: 220px;
    height: 220px;
    border-radius: 20px;
    margin: 0 auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4.5rem;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.company-avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
    100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
}

.company-avatar:hover {
    transform: translateY(-10px) rotate(5deg);
}

.intro-content {
    position: relative;
}

.intro-content h3 {
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.intro-content h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.intro-content p {
    color: #666;
    line-height: 1.9;
    margin-bottom: 25px;
    font-size: 1.05rem;
    text-align: justify;
}

.contact-info {
    margin-top: 40px;
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid #667eea;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
    color: #666;
    padding: 8px 0;
    transition: all 0.3s ease;
}

.contact-item:hover {
    color: #333;
    transform: translateX(5px);
}

.contact-item i {
    margin-right: 15px;
    color: #3498db;
    width: 24px;
    font-size: 1.1rem;
    background: rgba(52, 152, 219, 0.1);
    padding: 8px;
    border-radius: 50%;
    text-align: center;
}

.contact-item strong {
    margin-right: 15px;
    color: #2c3e50;
    font-weight: 600;
}

.company-stats {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.company-stats::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"><circle cx="20" cy="20" r="2" fill="white" opacity="0.1"/><circle cx="80" cy="80" r="2" fill="white" opacity="0.1"/><circle cx="40" cy="60" r="1" fill="white" opacity="0.05"/><circle cx="60" cy="40" r="1" fill="white" opacity="0.05"/></svg>');
}

.company-stats .section-title h2 {
    color: white;
}

.company-stats .section-title p {
    color: rgba(255,255,255,0.8);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 50px 30px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow: 0 30px 80px rgba(0,0,0,0.2);
}

.stat-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 2.2rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.stat-item:hover .stat-icon {
    transform: rotateY(180deg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: #666;
    font-size: 1.2rem;
    font-weight: 500;
}

.team-section {
    padding: 100px 0;
    background: white;
    position: relative;
}

.team-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, #f8f9fa 0%, white 100%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.team-member {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.team-member:hover::before {
    transform: scaleX(1);
}

.team-member:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 70px rgba(0,0,0,0.15);
}

.member-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3.5rem;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.member-avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: rotate(45deg);
    animation: memberShimmer 4s infinite;
}

@keyframes memberShimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
    100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
}

.member-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.team-member:hover .member-avatar {
    transform: scale(1.1);
}

.member-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
}

.member-position {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.member-bio {
    color: #666;
    line-height: 1.7;
    font-size: 15px;
    text-align: justify;
}

/* 企业文化区域样式 */
.features {
    padding: 100px 0;
    background: white;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, #f8f9fa 0%, white 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.feature-card {
    text-align: center;
    padding: 50px 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 70px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: rotate(45deg);
    animation: featureShimmer 3s infinite;
}

@keyframes featureShimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
    100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotateY(10deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
    font-size: 15px;
    text-align: justify;
}

/* 页面内容样式 - 后台编辑内容美化 */
.page-content {
    padding: 60px 0;
    line-height: 1.9;
    background: white;
    margin: 40px 0;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.page-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c);
}

.page-content h1, .page-content h2, .page-content h3 {
    color: #2c3e50;
    margin-bottom: 25px;
    position: relative;
}

.page-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

.page-content h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-top: 40px;
    padding-left: 20px;
    border-left: 4px solid #667eea;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.05), transparent);
    padding: 15px 0 15px 20px;
    border-radius: 0 10px 10px 0;
}

.page-content h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-top: 30px;
    color: #667eea;
}

.page-content p {
    color: #666;
    margin-bottom: 20px;
    font-size: 1.05rem;
    text-align: justify;
    line-height: 1.8;
}

.page-content ul, .page-content ol {
    margin: 25px 0;
    padding-left: 0;
}

.page-content li {
    color: #666;
    margin-bottom: 12px;
    padding-left: 30px;
    position: relative;
    line-height: 1.7;
}

.page-content ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.2rem;
}

.page-content strong {
    color: #2c3e50;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    padding: 2px 6px;
    border-radius: 4px;
}

.page-content img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    margin: 30px 0;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.page-content img:hover {
    transform: scale(1.02);
}

/* 响应式设计 - 美化版 */
@media (max-width: 768px) {
    /* Banner区域移动端优化 */
    .page-banner {
        padding: 40px 0 30px;
    }
    
    .page-banner .container {
        padding: 0 15px;
    }
    
    .page-title {
        font-size: 2rem;
        margin-bottom: 12px;
        letter-spacing: 1px;
        line-height: 1.2;
    }
    
    .page-title::after {
        width: 60px;
        height: 3px;
        bottom: -10px;
    }
    
    .page-subtitle {
        font-size: 1rem;
        margin-top: 15px;
        line-height: 1.4;
        padding: 0 10px;
    }
}

/* 超小屏幕优化 (小于480px) */
@media (max-width: 480px) {
    .page-banner {
        padding: 30px 0 25px;
    }
    
    .page-banner .container {
        padding: 0 10px;
    }
    
    .page-title {
        font-size: 1.6rem;
        margin-bottom: 10px;
        letter-spacing: 0.5px;
    }
    
    .page-title::after {
        width: 50px;
        height: 2px;
        bottom: -8px;
    }
    
    .page-subtitle {
        font-size: 0.9rem;
        margin-top: 12px;
        padding: 0 5px;
    }
}

/* 平板端优化 (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .page-banner {
        padding: 60px 0 45px;
    }
    
    .page-title {
        font-size: 2.8rem;
        margin-bottom: 18px;
    }
    
    .page-subtitle {
        font-size: 1.2rem;
        margin-top: 25px;
    }
}

@media (max-width: 768px) {
    /* 面包屑导航移动端优化 */
    .breadcrumb {
        padding: 15px 0;
        top: 60px;
    }
    
    .breadcrumb .container {
        font-size: 0.9rem;
        gap: 10px;
    }
    
    .breadcrumb a, .breadcrumb span {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    
    /* 区域标题移动端优化 */
    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .section-title p {
        font-size: 1.1rem;
    }
    
    /* 关于我们内容区域 */
    .about-content {
        padding: 20px 0;
    }
    
    .company-intro, .page-content {
        margin: 20px 0;
        padding: 40px 0;
        border-radius: 15px;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-content h3 {
        font-size: 1.8rem;
        text-align: center;
    }
    
    .intro-content h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    /* 企业实力区域 */
    .company-stats {
        padding: 60px 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-top: 40px;
    }
    
    .stat-item {
        padding: 30px 20px;
    }
    
    .stat-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    /* 团队区域 */
    .team-section {
        padding: 60px 0;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    .team-member {
        padding: 30px 20px;
    }
    
    .company-avatar {
        width: 160px;
        height: 160px;
        font-size: 3.5rem;
    }
    
    .member-avatar {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    /* 企业文化区域 */
    .features {
        padding: 60px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    .feature-card {
        padding: 40px 25px;
    }
    
    .feature-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
        margin-bottom: 25px;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
    }
    
    /* 页面内容样式 */
    .page-content h1 {
        font-size: 2rem;
    }
    
    .page-content h2 {
        font-size: 1.6rem;
        padding: 10px 0 10px 15px;
    }
    
    .page-content h3 {
        font-size: 1.4rem;
    }
    
    /* 联系信息 */
    .contact-info {
        padding: 20px;
    }
    
    .contact-item {
        margin-bottom: 15px;
    }
    
    .contact-item i {
        width: 20px;
        font-size: 1rem;
        padding: 6px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: 25px 15px;
    }
    
    .company-avatar {
        width: 140px;
        height: 140px;
        font-size: 3rem;
    }
    
    .intro-content h3 {
        font-size: 1.6rem;
    }
    
    .page-content {
        padding: 40px 0;
    }
    
    .page-content h1 {
        font-size: 1.8rem;
    }
    
    .page-content h2 {
        font-size: 1.4rem;
    }
}

/* 案例页面样式 */
/* 卡片样式 */
.card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.card-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.8), rgba(155, 89, 182, 0.8));
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover .card-image::before {
    opacity: 1;
}

.card-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.card-overlay i.fa-2x {
    margin-bottom: 10px;
}

.card:hover .card-overlay {
    opacity: 1;
}

.case-card {
    cursor: pointer;
}

.card-content {
    padding: 25px;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.3;
}

.card-summary {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #999;
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 30px;
    margin-bottom: 60px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #666;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #ddd;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #999;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin: 60px 0;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 12px 18px;
    margin: 0 5px;
    border: 1px solid #ddd;
    color: #666;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination .current {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 80px 0;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 页面横幅区域 */
.page-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.page-banner .container {
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    letter-spacing: 2px;
    position: relative;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #f093fb, #f5576c);
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(240, 147, 251, 0.5);
}

.page-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 300;
    margin-top: 30px;
    letter-spacing: 1px;
}

/* 面包屑导航 */
.breadcrumb {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    gap: 15px;
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.breadcrumb a:hover {
    color: white;
    background: linear-gradient(45deg, #667eea, #764ba2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.breadcrumb span {
    color: #333;
    font-weight: 600;
    padding: 8px 16px;
    background: linear-gradient(45deg, #f093fb, #f5576c);
    color: white;
    border-radius: 20px;
    box-shadow: 0 3px 10px rgba(240, 147, 251, 0.3);
}

/* 商家汇总页面样式 */
.merchants-filter {
    background: white;
    padding: 30px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 70px;
    z-index: 99;
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.filter-group label {
    font-weight: 600;
    color: #2c3e50;
    white-space: nowrap;
}

.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    border: 2px solid #e9ecef;
    background: white;
    color: #666;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.filter-btn:hover {
    border-color: #667eea;
    color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.filter-btn.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.search-box {
    display: flex;
    align-items: center;
    position: relative;
}

.search-input {
    padding: 12px 50px 12px 20px;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    font-size: 14px;
    width: 280px;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-btn {
    position: absolute;
    right: 5px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.merchants-section {
    padding: 60px 0;
    background: #f8f9fa;
}

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

.merchants-count {
    text-align: center;
}

.count-text {
    color: #666;
    font-size: 16px;
}

.count-text strong {
    color: #667eea;
    font-size: 18px;
}

.merchants-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.merchant-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    padding: 20px;
    min-height: 140px;
}

.merchant-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.merchant-header {
    position: relative;
    display: flex;
    align-items: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.merchant-logo {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.logo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.merchant-status {
    position: absolute;
    top: 15px;
    right: 15px;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-verified {
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    color: white;
    box-shadow: 0 3px 10px rgba(39, 174, 96, 0.3);
}

.merchant-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
}

.merchant-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
    line-height: 1.3;
}

.merchant-intro {
    color: #666;
    line-height: 1.5;
    margin-bottom: 12px;
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.merchant-info {
    margin-bottom: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #666;
    font-size: 12px;
}

.info-item i {
    color: #667eea;
    width: 16px;
    font-size: 14px;
}

.merchant-stats {
    display: flex;
    gap: 12px;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.merchant-stats .stat-item {
    text-align: center;
    min-width: 35px;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
    transform: none;
    transition: none;
}

.merchant-stats .stat-item:hover {
    transform: none;
    box-shadow: none;
}

.merchant-stats .stat-item::before {
    display: none;
}

.merchant-stats .stat-number {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 1px;
    line-height: 1.1;
}

.merchant-stats .stat-label {
    font-size: 10px;
    color: #999;
    line-height: 1;
    white-space: nowrap;
}

.merchant-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.btn-visit {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    white-space: nowrap;
}

.btn-visit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    color: white;
}

.merchant-contact {
    display: flex;
    gap: 10px;
}

.contact-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    color: white;
    font-size: 14px;
}

.phone-btn {
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.phone-btn:hover {
    transform: scale(1.1);
    color: white;
}

.email-btn {
    background: linear-gradient(45deg, #3498db, #2980b9);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.email-btn:hover {
    transform: scale(1.1);
    color: white;
}

.join-promotion {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.join-promotion::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.3;
}

.promotion-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.promotion-text h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.promotion-text p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.btn-join {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-join:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .filter-bar {
        flex-direction: column;
        gap: 20px;
        align-items: stretch;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .search-input {
        width: 100%;
    }
    
    .merchants-grid {
        gap: 15px;
    }
    
    .merchant-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 15px;
        min-height: auto;
    }
    
    .merchant-header {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .merchant-content {
        margin-bottom: 15px;
    }
    
    .merchant-actions {
        margin-left: 0;
        width: 100%;
        justify-content: space-between;
    }
    
    .promotion-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .promotion-text h2 {
        font-size: 1.8rem;
    }
    
    .merchant-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-visit {
        width: 100%;
        justify-content: center;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .card-content {
        padding: 20px;
    }
    
    .empty-state {
        padding: 60px 20px;
    }
    
    .empty-state i {
        font-size: 3rem;
    }
}