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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #0a0a0f;
    background-image: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
}

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

/* 导航栏样式 */
header {
    background-color: rgba(10, 10, 15, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.1);
}

nav {
    padding: 15px 0;
}

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

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

.nav-links a:hover {
    color: #007bff;
}

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

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: #007bff;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #0069d9;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #28a745;
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #218838;
    transform: translateY(-2px);
}

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

/* 英雄区样式 */
.hero {
    padding: 100px 0;
    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, 123, 255, 0.1) 0%, rgba(0, 123, 255, 0) 70%);
    z-index: -1;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #007bff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #e0e0e0;
}

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

/* 平台优势样式 */
.features {
    padding: 80px 0;
    background-color: rgba(26, 26, 46, 0.5);
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #ffffff;
}

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

.feature-item {
    background-color: rgba(22, 33, 62, 0.8);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #007bff;
}

.feature-item p {
    color: #e0e0e0;
}

/* 产品中心样式 */
.products {
    padding: 80px 0;
}

.products h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #ffffff;
}

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

.product-item {
    background-color: rgba(22, 33, 62, 0.8);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
}

.product-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #28a745;
}

.product-item p {
    color: #e0e0e0;
}

/* 新闻资讯样式 */
.news {
    padding: 80px 0;
    background-color: rgba(26, 26, 46, 0.5);
}

.news h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #ffffff;
}

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

.news-item {
    background-color: rgba(22, 33, 62, 0.8);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
}

.news-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #ffffff;
}

.news-date {
    font-size: 14px;
    color: #007bff;
    margin-bottom: 15px;
}

.news-item p {
    color: #e0e0e0;
}

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

.about h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #ffffff;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    margin-bottom: 20px;
    color: #e0e0e0;
    font-size: 16px;
}

/* 联系我们样式 */
.contact {
    padding: 80px 0;
    background-color: rgba(26, 26, 46, 0.5);
}

.contact h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #ffffff;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-content p {
    margin-bottom: 40px;
    color: #e0e0e0;
    font-size: 18px;
}

.contact-info {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-item {
    background-color: rgba(22, 33, 62, 0.8);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
    min-width: 200px;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #007bff;
}

.contact-item p {
    color: #e0e0e0;
    margin-bottom: 0;
}

/* 页脚样式 */
footer {
    background-color: #0a0a0f;
    padding: 60px 0 30px;
    border-top: 1px solid rgba(0, 123, 255, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logo h3 {
    font-size: 24px;
    color: #ffffff;
}

.footer-logo span {
    color: #007bff;
}

.footer-links ul {
    display: flex;
    list-style: none;
    gap: 20px;
    flex-wrap: wrap;
}

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

.footer-links a:hover {
    color: #007bff;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links ul {
        justify-content: center;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
    }

    .contact-item {
        width: 100%;
        max-width: 300px;
    }
}

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

    .features h2,
    .products h2,
    .news h2,
    .about h2,
    .contact h2 {
        font-size: 24px;
    }

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

/* 导航栏布局 */
nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo h1 {
    font-size: 24px;
    color: #ffffff;
}

.logo span {
    color: #007bff;
}