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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0a1a;
    color: #e0e0e0;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 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, 128, 0.2);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00ff80;
    text-decoration: none;
}

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

.nav-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #00ff80;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: #00ff80;
    color: #0a0a1a;
}

.btn-primary:hover {
    background-color: #00cc66;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: #00ff80;
    border: 1px solid #00ff80;
}

.btn-secondary:hover {
    background-color: rgba(0, 255, 128, 0.1);
}

/* 移动端菜单 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #e0e0e0;
    cursor: pointer;
}

/* 主内容区 */
main {
    margin-top: 80px;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* 英雄区域 */
.hero {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB4PSIwIiB5PSIwIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSgxNSkiPjxwYXRoIGQ9Ik0gNDAgMCBMIDAgMCAwIDQwIiBmaWxsPSJub25lIiBzdHJva2U9IiMwMGZmODAiIHN0cm9rZS13aWR0aD0iMC41Ii8+PC9wYXR0ZXJuPjwvZGVmcz48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSJ1cmwoI3BhdHRlcm4pIiAvPjwvc3ZnPg==');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: #ffffff;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #b0b0b0;
}

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

/* 特性区域 */
.features {
    padding: 6rem 2rem;
    background-color: #0a0a1a;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 3rem;
    color: #ffffff;
}

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

.feature-card {
    background: rgba(26, 26, 58, 0.5);
    border: 1px solid rgba(0, 255, 128, 0.1);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #00ff80;
    box-shadow: 0 10px 30px rgba(0, 255, 128, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: #00ff80;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #ffffff;
}

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

/* 数据可视化区域 */
.data-visualization {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #1a1a3a 0%, #0a0a1a 100%);
}

.chart-container {
    background: rgba(10, 10, 26, 0.8);
    border: 1px solid rgba(0, 255, 128, 0.2);
    border-radius: 8px;
    padding: 2rem;
    margin-top: 2rem;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 会员体系 */
.membership {
    padding: 6rem 2rem;
    background-color: #0a0a1a;
}

.membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.membership-card {
    background: rgba(26, 26, 58, 0.5);
    border: 1px solid rgba(0, 255, 128, 0.1);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.membership-card:hover {
    transform: translateY(-5px);
    border-color: #00ff80;
    box-shadow: 0 10px 30px rgba(0, 255, 128, 0.1);
}

.membership-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #ffffff;
}

.membership-card .price {
    font-size: 2rem;
    font-weight: bold;
    color: #00ff80;
    margin-bottom: 1rem;
}

.membership-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.membership-card li {
    padding: 0.5rem 0;
    color: #b0b0b0;
}

/* 新闻区域 */
.news {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 100%);
}

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

.news-card {
    background: rgba(26, 26, 58, 0.5);
    border: 1px solid rgba(0, 255, 128, 0.1);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: #00ff80;
    box-shadow: 0 10px 30px rgba(0, 255, 128, 0.1);
}

.news-date {
    color: #00ff80;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.news-card h3 {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #ffffff;
}

.news-card p {
    color: #b0b0b0;
    margin-bottom: 1.5rem;
}

.news-card a {
    color: #00ff80;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.news-card a:hover {
    color: #00cc66;
}

/* 页脚 */
footer {
    background-color: #050510;
    border-top: 1px solid rgba(0, 255, 128, 0.2);
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00ff80;
    margin-bottom: 1rem;
}

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

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

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

.footer-links a:hover {
    color: #00ff80;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #606060;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 1rem 2rem;
    background-color: rgba(26, 26, 58, 0.3);
    border-bottom: 1px solid rgba(0, 255, 128, 0.1);
}

.breadcrumb-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.breadcrumb a {
    color: #00ff80;
    text-decoration: none;
}

.breadcrumb span {
    color: #606060;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 26, 0.95);
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
        border-bottom: 1px solid rgba(0, 255, 128, 0.2);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .container {
        padding: 1rem;
    }

    .features, .data-visualization, .membership, .news {
        padding: 4rem 1rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card, .news-card, .membership-card {
    animation: fadeInUp 0.6s ease-out;
}

/* 加载效果 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 255, 128, 0.3);
    border-radius: 50%;
    border-top-color: #00ff80;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0a0a1a;
}

::-webkit-scrollbar-thumb {
    background: #1a1a3a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00ff80;
}

/* 按钮动画 */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

/* 图片样式 */
.hero-image {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    max-width: 50%;
    height: auto;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .hero-image {
        display: none;
    }
}

/* 数据统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.stat-card {
    background: rgba(26, 26, 58, 0.5);
    border: 1px solid rgba(0, 255, 128, 0.1);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #00ff80;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #b0b0b0;
    font-size: 0.9rem;
}