/* 主样式文件 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 头部导航 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ff6b35;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ff6b35;
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background: #ff6b35;
    color: white;
}

.btn-primary:hover {
    background: #e55a2b;
}

.btn-outline {
    background: transparent;
    color: #ff6b35;
    border: 2px solid #ff6b35;
}

.btn-outline:hover {
    background: #ff6b35;
    color: white;
}

/* 主要内容区域 */
main {
    margin-top: 80px;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* 统计数据 */
.stats {
    background: #f8f9fa;
    padding: 3rem 0;
}

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

.stat-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-icon.purple { background: #8b5cf6; }
.stat-icon.yellow { background: #f59e0b; }
.stat-icon.red { background: #ef4444; }
.stat-icon.blue { background: #3b82f6; }

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

/* 英雄区域增强 */
.hero {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-image {
    text-align: center;
}

/* 服务分类 */
.services {
    padding: 4rem 0;
    background: #f8f9fa;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.section-title p {
    color: #666;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-content {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-top: 3rem;
}

.service-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.feature-item h3 {
    color: #ff6b35;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
}

.service-illustration {
    flex: 1;
    text-align: center;
}

.service-illustration img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* 热门服务 */
.popular-services {
    padding: 4rem 0;
    background: white;
}

.highlights-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.service-highlights {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.highlight-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.highlight-content {
    flex: 1;
}

.highlight-item h3 {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.3rem;
}

.highlight-item p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* 推荐服务 */
.recommended-services {
    padding: 4rem 0;
    background: #f8f9fa;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.service-card h3,
.service-card p {
    text-align: left;
}

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

.service-icon.teal { background: #14b8a6; }
.service-icon.blue { background: #3b82f6; }
.service-icon.yellow { background: #f59e0b; }

.service-cover {
    width: 100%;
    height: 200px;
    margin: 0 auto 1.5rem;
    border-radius: 10px;
    overflow: hidden;
}

.service-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .service-cover img {
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* 底部 */
.footer {
    background: #333;
    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 h3 {
    margin-bottom: 1rem;
    color: #ff6b35;
}

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

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

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

.footer-section ul li a:hover {
    color: #ff6b35;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #ccc;
}

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

.footer-bottom a:hover {
    color: #ff6b35;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .services-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .service-features {
        order: 2;
    }
    
    .service-illustration {
        order: 1;
    }
    
    .highlights-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .service-highlights {
        grid-template-columns: 1fr;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .feature-item,
    .highlight-item,
    .service-card {
        padding: 1.5rem;
    }
}