/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #0a1128;
    color: #e6f1ff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 头部导航 */
header {
    background: linear-gradient(135deg, #0a1128 0%, #1a2332 100%);
    border-bottom: 1px solid #00d4aa;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #00d4aa;
    text-decoration: none;
}

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

.nav-links a {
    color: #e6f1ff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #00d4aa;
}

.cta-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: #00d4aa;
    color: #0a1128;
}

.btn-primary:hover {
    background-color: #00b38a;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: #00d4aa;
    border: 1px solid #00d4aa;
}

.btn-secondary:hover {
    background-color: rgba(0, 212, 170, 0.1);
    transform: translateY(-2px);
}

/* 英雄区域 */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a1128 0%, #1a2332 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero h1 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #e6f1ff;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #a0b3c5;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.2);
}

/* 特点区域 */
.features {
    padding: 100px 0;
    background-color: #0a1128;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #e6f1ff;
}

.section-title p {
    font-size: 16px;
    color: #a0b3c5;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: linear-gradient(135deg, #1a2332 0%, #2c3e50 100%);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 170, 0.2);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 212, 170, 0.2);
}

.feature-icon {
    font-size: 48px;
    color: #00d4aa;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #e6f1ff;
}

.feature-card p {
    color: #a0b3c5;
    font-size: 14px;
}

/* 统计数据 */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a2332 0%, #2c3e50 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
    border-radius: 10px;
    background-color: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #00d4aa;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: #a0b3c5;
}

/* 新闻区域 */
.news {
    padding: 100px 0;
    background-color: #0a1128;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-card {
    background: linear-gradient(135deg, #1a2332 0%, #2c3e50 100%);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 170, 0.2);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 212, 170, 0.2);
}

.news-image {
    width: 100%;
    height: 200px;
    background-color: #2c3e50;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #00d4aa;
}

.news-content {
    padding: 20px;
}

.news-date {
    font-size: 12px;
    color: #00d4aa;
    margin-bottom: 10px;
}

.news-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #e6f1ff;
}

.news-excerpt {
    font-size: 14px;
    color: #a0b3c5;
    margin-bottom: 15px;
}

.news-link {
    color: #00d4aa;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: #00b38a;
}

/* 会员体系 */
.membership {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a2332 0%, #2c3e50 100%);
}

.membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.membership-card {
    background: linear-gradient(135deg, #0a1128 0%, #1a2332 100%);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 170, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.membership-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 212, 170, 0.2);
}

.membership-card.featured {
    border: 2px solid #00d4aa;
    transform: scale(1.05);
}

.membership-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #e6f1ff;
}

.membership-price {
    font-size: 36px;
    font-weight: bold;
    color: #00d4aa;
    margin-bottom: 15px;
}

.membership-features {
    list-style: none;
    margin-bottom: 30px;
}

.membership-features li {
    padding: 10px 0;
    color: #a0b3c5;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.membership-features li:last-child {
    border-bottom: none;
}

/* 页脚 */
footer {
    background: linear-gradient(135deg, #0a1128 0%, #1a2332 100%);
    padding: 60px 0 30px;
    border-top: 1px solid #00d4aa;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #e6f1ff;
}

.footer-section p {
    color: #a0b3c5;
    font-size: 14px;
    margin-bottom: 15px;
}

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

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

.footer-links a {
    color: #a0b3c5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00d4aa;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #a0b3c5;
    font-size: 14px;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    background-color: #1a2332;
    border-bottom: 1px solid rgba(0, 212, 170, 0.2);
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb a {
    color: #a0b3c5;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #00d4aa;
}

.breadcrumb span {
    color: #00d4aa;
}

/* 新闻详情页 */
.news-detail {
    padding: 50px 0;
    background-color: #0a1128;
}

.news-detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail-title {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #e6f1ff;
}

.news-detail-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    color: #a0b3c5;
    font-size: 14px;
}

.news-detail-body {
    line-height: 1.8;
    color: #e6f1ff;
}

.news-detail-body p {
    margin-bottom: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid,
    .stats-grid,
    .news-grid,
    .membership-grid {
        grid-template-columns: 1fr;
    }
    
    .membership-card.featured {
        transform: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 200px;
    }
}