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

body {
    font-family: 'Arial', sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
header {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid #2a2a2a;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #ffd700;
    text-decoration: none;
}

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

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

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

.nav-links a:hover {
    color: #4ade80;
}

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

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: #ffd700;
    color: #0a0a0a;
}

.btn-primary:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #4ade80;
    color: #0a0a0a;
}

.btn-secondary:hover {
    background-color: #34d399;
    transform: translateY(-2px);
}

/* 移动端菜单 */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 2px 0;
    transition: all 0.3s ease;
}

/* 英雄区域 */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://p3-search.byteimg.com/obj/pgc-image/856a672fccdd4b2cb47efc58856aa80b') no-repeat center center;
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
}

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

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

.hero h1 span {
    color: #ffd700;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #b0b0b0;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

/* 特性区域 */
.features {
    padding: 100px 0;
    background-color: #1a1a1a;
}

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

.section-title h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #ffd700;
}

.section-title p {
    font-size: 18px;
    color: #b0b0b0;
    max-width: 700px;
    margin: 0 auto;
}

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

.feature-card {
    background-color: #2a2a2a;
    padding: 40px;
    border-radius: 10px;
    border: 1px solid #3a3a3a;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #4ade80;
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.1);
}

.feature-card i {
    font-size: 48px;
    color: #4ade80;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #ffd700;
}

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

/* 数据可视化区域 */
.data-section {
    padding: 100px 0;
    background-color: #0a0a0a;
}

.data-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
}

.data-text {
    flex: 1;
    min-width: 300px;
}

.data-text h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #ffd700;
}

.data-text p {
    font-size: 16px;
    margin-bottom: 30px;
    color: #b0b0b0;
}

.data-image {
    flex: 1;
    min-width: 300px;
}

.data-image img {
    width: 100%;
    border-radius: 10px;
}

/* 会员体系 */
.membership-section {
    padding: 100px 0;
    background-color: #1a1a1a;
}

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

.membership-card {
    background-color: #2a2a2a;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #3a3a3a;
    text-align: center;
    transition: all 0.3s ease;
}

.membership-card:hover {
    transform: translateY(-10px);
    border-color: #4ade80;
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.1);
}

.membership-card h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #ffd700;
}

.membership-card .price {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #4ade80;
}

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

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

.membership-card ul li::before {
    content: '✓';
    color: #4ade80;
    margin-right: 10px;
}

/* 新闻区域 */
.news-section {
    padding: 100px 0;
    background-color: #0a0a0a;
}

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

.news-card {
    background-color: #2a2a2a;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.1);
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-date {
    font-size: 14px;
    color: #4ade80;
    margin-bottom: 10px;
}

.news-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #ffd700;
}

.news-excerpt {
    font-size: 14px;
    color: #b0b0b0;
    margin-bottom: 20px;
}

.news-link {
    color: #4ade80;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: #34d399;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    background-color: #1a1a1a;
    border-bottom: 1px solid #3a3a3a;
    margin-top: 80px;
}

.breadcrumb ul {
    display: flex;
    list-style: none;
}

.breadcrumb li {
    margin-right: 10px;
}

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

.breadcrumb li a:hover {
    color: #4ade80;
}

.breadcrumb li::after {
    content: '>';
    margin-left: 10px;
    color: #b0b0b0;
}

.breadcrumb li:last-child::after {
    content: '';
}

.breadcrumb li:last-child {
    color: #ffd700;
}

/* 内容页面 */
.content-page {
    padding: 60px 0;
    background-color: #0a0a0a;
}

.content-page h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 30px;
    color: #ffd700;
}

.content-page p {
    font-size: 16px;
    margin-bottom: 20px;
    color: #b0b0b0;
}

.content-page img {
    max-width: 100%;
    border-radius: 10px;
    margin: 30px 0;
}

/* 页脚 */
footer {
    background-color: #1a1a1a;
    padding: 60px 0 30px;
    border-top: 1px solid #3a3a3a;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 24px;
    font-weight: bold;
    color: #ffd700;
    margin-bottom: 20px;
}

.footer-links h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #ffd700;
}

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

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

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

.footer-links ul li a:hover {
    color: #4ade80;
}

.footer-bottom {
    border-top: 1px solid #3a3a3a;
    padding-top: 30px;
    text-align: center;
    color: #b0b0b0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: #1a1a1a;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        border-bottom: 1px solid #3a3a3a;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .data-content {
        flex-direction: column;
    }

    .data-text, .data-image {
        flex: 100%;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .feature-card, .membership-card, .news-card {
        padding: 20px;
    }
}

/* 滚动动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}