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

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 导航栏样式 */
nav {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-right: 20px;
}

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

nav ul li a:hover {
    color: #2575fc;
}

.search-box {
    display: flex;
}

.search-box input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    width: 200px;
}

.search-box button {
    background-color: #2575fc;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-box button:hover {
    background-color: #1a68e8;
}

/* 主内容区域 */
main {
    padding: 40px 0;
}

.section {
    margin-bottom: 60px;
}

.section h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
    color: #333;
}

/* 特色功能网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-card h3 {
    margin-bottom: 15px;
    color: #2575fc;
}

/* 价格方案网格 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border: 2px solid #2575fc;
    transform: scale(1.05);
}

.pricing-card h3 {
    margin-bottom: 15px;
    color: #333;
}

.price {
    font-size: 2rem;
    font-weight: bold;
    color: #2575fc;
    margin: 15px 0;
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    margin: 20px 0;
}

.pricing-card ul li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.pricing-card ul li:before {
    content: "✓";
    color: #4CAF50;
    margin-right: 10px;
}

.note {
    font-size: 0.9rem;
    color: #777;
    margin-top: 10px;
}

/* 联系信息样式 */
.contact-info {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.contact-method {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-method h3 {
    margin-bottom: 10px;
    color: #2575fc;
}

.contact-note {
    font-style: italic;
    color: #777;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    nav .container {
        flex-direction: column;
    }
    
    nav ul {
        margin-bottom: 15px;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    header h1 {
        font-size: 2rem;
    }
}