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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 100%);
    color: #e0e0e0;
    line-height: 1.6;
}

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

/* 导航栏 */
header {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 255, 191, 0.2);
}

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

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

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: #e0e0e0;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

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

.btn-primary {
    background: linear-gradient(135deg, #00ffbf, #00b39f);
    color: #0a0a1a;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 191, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(0, 255, 191, 0.1);
}

/* 英雄区域 */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 191, 0.1) 0%, transparent 70%);
    z-index: -1;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #e0e0e0, #00ffbf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    margin-bottom: 40px;
    color: #b0b0b0;
}

.hero-image {
    margin: 40px 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 255, 191, 0.2);
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* 特色功能 */
.features {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 36px;
    margin-bottom: 10px;
    color: #00ffbf;
}

.section-title p {
    font-size: 16px;
    color: #b0b0b0;
}

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

.feature-card {
    background: rgba(26, 26, 46, 0.8);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 191, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 191, 0.15);
    border-color: rgba(0, 255, 191, 0.3);
}

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

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #e0e0e0;
}

.feature-card p {
    color: #b0b0b0;
}

/* 会员体系 */
.membership {
    padding: 80px 0;
    background: rgba(10, 10, 26, 0.5);
}

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

.membership-card {
    background: rgba(26, 26, 46, 0.8);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 191, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.membership-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 191, 0.15);
    border-color: rgba(0, 255, 191, 0.3);
}

.membership-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #00ffbf;
}

.membership-card .price {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #e0e0e0;
}

.membership-card ul {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.membership-card li {
    margin-bottom: 10px;
    color: #b0b0b0;
    display: flex;
    align-items: center;
}

.membership-card li::before {
    content: '✓';
    color: #00ffbf;
    margin-right: 10px;
}

/* 新闻区域 */
.news {
    padding: 80px 0;
}

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

.news-card {
    background: rgba(26, 26, 46, 0.8);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 191, 0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 191, 0.15);
    border-color: rgba(0, 255, 191, 0.3);
}

.news-date {
    color: #00ffbf;
    font-size: 14px;
    margin-bottom: 15px;
}

.news-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #e0e0e0;
}

.news-card p {
    color: #b0b0b0;
    margin-bottom: 20px;
}

.news-card a {
    color: #00ffbf;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.news-card a:hover {
    color: #00b39f;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    margin-top: 80px;
    background: rgba(26, 26, 46, 0.5);
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb-nav a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-nav a:hover {
    color: #00ffbf;
}

.breadcrumb-nav span {
    color: #00ffbf;
}

/* 关于我们 */
.about {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #00ffbf;
}

.about-text p {
    margin-bottom: 20px;
    color: #b0b0b0;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 255, 191, 0.2);
}

.about-image img {
    width: 100%;
    height: auto;
}

/* 下载页面 */
.download {
    padding: 80px 0;
}

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

.download-card {
    background: rgba(26, 26, 46, 0.8);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 191, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 191, 0.15);
    border-color: rgba(0, 255, 191, 0.3);
}

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

.download-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #e0e0e0;
}

.download-card p {
    color: #b0b0b0;
    margin-bottom: 20px;
}

/* 联系我们 */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #00ffbf;
}

.contact-info p {
    margin-bottom: 20px;
    color: #b0b0b0;
}

.contact-form {
    background: rgba(26, 26, 46, 0.8);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 191, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #e0e0e0;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    background: rgba(10, 10, 26, 0.5);
    border: 1px solid rgba(0, 255, 191, 0.1);
    border-radius: 5px;
    color: #e0e0e0;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00ffbf;
}

/* 网站地图 */
.sitemap {
    padding: 80px 0;
}

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

.sitemap-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #00ffbf;
}

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

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

.sitemap-section a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.sitemap-section a:hover {
    color: #00ffbf;
}

/* 页脚 */
footer {
    background: rgba(10, 10, 26, 0.95);
    padding: 40px 0;
    border-top: 1px solid rgba(0, 255, 191, 0.2);
}

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

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #00ffbf;
}

.footer-section p,
.footer-section li {
    color: #b0b0b0;
    margin-bottom: 10px;
}

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

.footer-section a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #00ffbf;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 255, 191, 0.1);
    color: #b0b0b0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .membership-card,
    .feature-card,
    .news-card,
    .download-card {
        padding: 20px;
    }
}