/* 滋栈官网样式 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #333;
    font-size: 24px;
    font-weight: bold;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

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

.nav-links a {
    text-decoration: none;
    color: #555;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #f97316;
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 90px 20px 60px;
    min-height: calc(100vh - 180px);
}

/* 首页横幅 */
.hero {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
    border-radius: 10px;
    margin-bottom: 50px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    opacity: 0.9;
}

/* 特色卡片 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-card h3 {
    color: #f97316;
    margin-bottom: 15px;
    font-size: 24px;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* 内容区块 */
.content-section {
    background: white;
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.content-section h2 {
    color: #f97316;
    margin-bottom: 20px;
    font-size: 32px;
    border-bottom: 3px solid #f97316;
    padding-bottom: 10px;
}

.content-section p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
}

.content-section ul {
    list-style: none;
    padding-left: 20px;
}

.content-section li {
    padding: 10px 0;
    color: #555;
}

.content-section li:before {
    content: "✓ ";
    color: #4CAF50;
    font-weight: bold;
    margin-right: 10px;
}

/* 联系方式 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.contact-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #f97316;
}

.contact-item h4 {
    color: #f97316;
    margin-bottom: 10px;
}

.contact-item p {
    color: #555;
    margin: 0;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 30px 20px;
    margin-top: 50px;
}

.footer p {
    margin: 5px 0;
    font-size: 14px;
}

.footer a {
    color: #fb923c;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.beian {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #555;
}

.beian a {
    color: #aaa;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a {
        font-size: 14px;
    }
    
    .content-section {
        padding: 30px 20px;
    }
    
    .content-section h2 {
        font-size: 24px;
    }
}