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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    background-color: #121212;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 24px;
    font-weight: bold;
    color: #4CAF50;
}

.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: #4CAF50;
}

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

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #4CAF50;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(76, 175, 80, 0.3);
}

.btn-secondary {
    background-color: #1e88e5;
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #1976d2;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(30, 136, 229, 0.3);
}

.btn-large {
    padding: 15px 30px;
    font-size: 18px;
}

/* 面包屑导航 */
.breadcrumb {
    background-color: #1a1a1a;
    padding: 10px 0;
    font-size: 14px;
}

.breadcrumb a {
    color: #4CAF50;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    padding: 100px 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
    color: #cccccc;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 平台优势 */
.features {
    padding: 100px 0;
    background-color: #121212;
}

.features h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

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

.feature-item {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #4CAF50;
}

.feature-item p {
    color: #cccccc;
}

/* 交易数据 */
.market-data {
    padding: 100px 0;
    background-color: #0a0a0a;
}

.market-data h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

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

.data-item {
    background-color: #1a1a1a;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #333333;
}

.data-item h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #cccccc;
}

.data-item p {
    font-size: 24px;
    font-weight: bold;
    color: #4CAF50;
}

/* 产品介绍 */
.products-preview {
    padding: 100px 0;
    background-color: #121212;
}

.products-preview h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.product-item {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.product-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #4CAF50;
}

.product-item p {
    color: #cccccc;
    margin-bottom: 20px;
}

/* 新闻动态 */
.news-preview {
    padding: 100px 0;
    background-color: #0a0a0a;
}

.news-preview h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.news-item {
    background-color: #1a1a1a;
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.news-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #ffffff;
}

.news-date {
    font-size: 14px;
    color: #4CAF50;
    margin-bottom: 15px;
}

.news-item p {
    color: #cccccc;
    margin-bottom: 20px;
}

.news-more {
    text-align: center;
}

/* 新闻列表页面 */
.news-page {
    padding: 100px 0;
    background-color: #121212;
}

.news-page h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-list-item {
    background-color: #1a1a1a;
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-list-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.news-list-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #ffffff;
}

.news-list-item .news-date {
    font-size: 14px;
    color: #4CAF50;
    margin-bottom: 15px;
}

.news-list-item p {
    color: #cccccc;
    margin-bottom: 20px;
    flex-grow: 1;
}

/* 新闻详情页面 */
.news-detail {
    padding: 100px 0;
    background-color: #121212;
}

.news-detail h3 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #ffffff;
}

.news-detail .news-date {
    font-size: 16px;
    color: #4CAF50;
    margin-bottom: 40px;
}

.news-detail-content {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
}

.news-detail-content p {
    margin-bottom: 20px;
    color: #cccccc;
    line-height: 1.8;
}

/* 产品页面 */
.products-page {
    padding: 100px 0;
    background-color: #121212;
}

.products-page h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

.product-detail {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 40px;
}

.product-detail h4 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #4CAF50;
}

.product-detail p {
    color: #cccccc;
    margin-bottom: 20px;
    line-height: 1.8;
}

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

.product-features li {
    color: #cccccc;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.product-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

/* 关于页面 */
.about-page {
    padding: 100px 0;
    background-color: #121212;
}

.about-page h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

.about-content {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 60px;
}

.about-content h4 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #4CAF50;
}

.about-content p {
    color: #cccccc;
    margin-bottom: 20px;
    line-height: 1.8;
}

.team-section {
    margin-top: 60px;
}

.team-section h4 {
    font-size: 24px;
    text-align: center;
    margin-bottom: 40px;
    color: #4CAF50;
}

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

.team-member {
    background-color: #1a1a1a;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.team-member h5 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #ffffff;
}

.team-member p {
    color: #4CAF50;
    font-size: 14px;
}

/* 联系页面 */
.contact-page {
    padding: 100px 0;
    background-color: #121212;
}

.contact-page h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
}

.contact-info h4 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #4CAF50;
}

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

.contact-form {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
}

.contact-form h4 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #4CAF50;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #ffffff;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: #2c2c2c;
    border: 1px solid #333333;
    border-radius: 5px;
    color: #ffffff;
    font-size: 16px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4CAF50;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 用户评价 */
.testimonials {
    padding: 100px 0;
    background-color: #121212;
}

.testimonials h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.testimonial-item {
    background-color: #1a1a1a;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.testimonial-item p {
    color: #cccccc;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    color: #4CAF50;
    font-weight: bold;
}

/* 下载区域 */
.download-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    text-align: center;
}

.download-section h3 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #ffffff;
}

.download-section p {
    font-size: 18px;
    margin-bottom: 40px;
    color: #cccccc;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 页脚 */
.footer {
    background-color: #121212;
    padding: 60px 0;
    border-top: 1px solid #333333;
}

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

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #4CAF50;
}

.footer-section p {
    color: #cccccc;
    margin-bottom: 10px;
}

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

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

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

.footer-section ul li a:hover {
    color: #4CAF50;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333333;
    color: #cccccc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links li {
        margin: 0 15px;
    }

    .hero-content h2 {
        font-size: 36px;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .data-grid,
    .products-grid,
    .news-grid,
    .testimonials-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .btn-large {
        padding: 12px 24px;
        font-size: 16px;
    }

    .features,
    .market-data,
    .products-preview,
    .news-preview,
    .testimonials,
    .download-section,
    .news-page,
    .news-detail,
    .products-page,
    .about-page,
    .contact-page {
        padding: 60px 0;
    }

    .features h3,
    .market-data h3,
    .products-preview h3,
    .news-preview h3,
    .testimonials h3,
    .download-section h3,
    .news-page h3,
    .products-page h3,
    .about-page h3,
    .contact-page h3 {
        font-size: 28px;
    }

    .feature-item,
    .data-item,
    .product-item,
    .news-item,
    .testimonial-item,
    .team-member,
    .about-content,
    .product-detail,
    .contact-info,
    .contact-form {
        padding: 20px;
    }
}