* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    background-color: #0a0e1a;
    color: #e0e6ed;
    line-height: 1.8;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.header {
    background: linear-gradient(135deg, #0d1421 0%, #1a2332 100%);
    border-bottom: 1px solid #2d3a4f;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav a {
    color: #a0aec0;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: #00d4ff;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    transition: width 0.3s;
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

.header-btns {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 25px;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    color: #0a0e1a;
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid #00d4ff;
    color: #00d4ff;
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
}

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

.banner {
    background: linear-gradient(135deg, #0d1421 0%, #1a2332 50%, #0d1421 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

.banner-content {
    position: relative;
    z-index: 1;
}

.banner h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner p {
    font-size: 20px;
    color: #a0aec0;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.banner-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.section {
    padding: 80px 0;
}

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

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

.section-title p {
    color: #a0aec0;
    font-size: 16px;
}

.features {
    background: #0f1623;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    border: 1px solid #2d3a4f;
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: #00d4ff;
    transform: translateY(-5px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 30px;
    color: #0a0e1a;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #ffffff;
}

.feature-card p {
    color: #a0aec0;
    font-size: 15px;
}

.stats {
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 48px;
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-item p {
    color: #a0aec0;
    font-size: 16px;
}

.products-preview {
    background: #0a0e1a;
}

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

.product-item {
    background: #1a2332;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #2d3a4f;
    transition: all 0.3s;
}

.product-item:hover {
    border-color: #00d4ff;
}

.product-header {
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    padding: 20px;
    color: #0a0e1a;
}

.product-header h3 {
    font-size: 20px;
}

.product-body {
    padding: 25px;
}

.product-body ul {
    margin-bottom: 20px;
}

.product-body li {
    padding: 10px 0;
    border-bottom: 1px solid #2d3a4f;
    color: #a0aec0;
    display: flex;
    align-items: center;
}

.product-body li::before {
    content: '✓';
    color: #00d4ff;
    margin-right: 10px;
    font-weight: bold;
}

.news-section {
    background: #0f1623;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: #1a2332;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #2d3a4f;
    transition: all 0.3s;
}

.news-card:hover {
    border-color: #00d4ff;
}

.news-image {
    height: 180px;
    background: linear-gradient(135deg, #2d3a4f 0%, #1a2332 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: #00d4ff;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #ffffff;
    line-height: 1.5;
}

.news-content p {
    color: #a0aec0;
    font-size: 14px;
    margin-bottom: 15px;
}

.read-more {
    color: #00d4ff;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.read-more:hover {
    text-decoration: underline;
}

.cta-section {
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    color: #0a0e1a;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    color: #0a0e1a;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-section .btn {
    background: #0a0e1a;
    color: #00d4ff;
}

.cta-section .btn:hover {
    background: #1a2332;
}

.footer {
    background: #0d1421;
    border-top: 1px solid #2d3a4f;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about h3 {
    font-size: 24px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-about p {
    color: #a0aec0;
    font-size: 14px;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #ffffff;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: #a0aec0;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links ul li a:hover {
    color: #00d4ff;
}

.footer-bottom {
    border-top: 1px solid #2d3a4f;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #6b7280;
    font-size: 14px;
}

.breadcrumb {
    background: #0f1623;
    padding: 20px 0;
    border-bottom: 1px solid #2d3a4f;
}

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

.breadcrumb a {
    color: #a0aec0;
}

.breadcrumb a:hover {
    color: #00d4ff;
}

.breadcrumb span {
    color: #6b7280;
}

.breadcrumb .current {
    color: #00d4ff;
}

.page-banner {
    background: linear-gradient(135deg, #0d1421 0%, #1a2332 100%);
    padding: 80px 0;
    text-align: center;
}

.page-banner h1 {
    font-size: 42px;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-banner p {
    color: #a0aec0;
    font-size: 16px;
}

.content-section {
    padding: 60px 0;
}

.content-box {
    background: #1a2332;
    border-radius: 10px;
    padding: 40px;
    border: 1px solid #2d3a4f;
}

.content-box h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #ffffff;
}

.content-box h3 {
    font-size: 22px;
    margin: 30px 0 15px;
    color: #00d4ff;
}

.content-box p {
    color: #a0aec0;
    margin-bottom: 15px;
    line-height: 1.8;
}

.content-box ul {
    margin: 20px 0;
    padding-left: 20px;
}

.content-box ul li {
    color: #a0aec0;
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.content-box ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: #00d4ff;
    border-radius: 50%;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-list-item {
    background: #1a2332;
    border-radius: 10px;
    padding: 25px;
    border: 1px solid #2d3a4f;
    display: flex;
    gap: 25px;
    transition: all 0.3s;
}

.news-list-item:hover {
    border-color: #00d4ff;
}

.news-list-date {
    min-width: 80px;
    text-align: center;
}

.news-list-date .day {
    font-size: 36px;
    font-weight: bold;
    color: #00d4ff;
    line-height: 1;
}

.news-list-date .month {
    font-size: 14px;
    color: #a0aec0;
}

.news-list-content {
    flex: 1;
}

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

.news-list-content p {
    color: #a0aec0;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-list-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #6b7280;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    padding: 10px 18px;
    background: #1a2332;
    border: 1px solid #2d3a4f;
    border-radius: 5px;
    color: #a0aec0;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination .current {
    background: #00d4ff;
    border-color: #00d4ff;
    color: #0a0e1a;
}

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

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #ffffff;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #0a0e1a;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #ffffff;
}

.contact-info-text p {
    color: #a0aec0;
    font-size: 14px;
}

.contact-form {
    background: #1a2332;
    border-radius: 10px;
    padding: 40px;
    border: 1px solid #2d3a4f;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #ffffff;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: #0d1421;
    border: 1px solid #2d3a4f;
    border-radius: 5px;
    color: #ffffff;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.news-detail-header {
    margin-bottom: 30px;
}

.news-detail-header h1 {
    font-size: 32px;
    margin-bottom: 15px;
    color: #ffffff;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    gap: 20px;
    color: #6b7280;
    font-size: 14px;
}

.news-detail-content {
    color: #a0aec0;
    line-height: 1.8;
}

.news-detail-content p {
    margin-bottom: 20px;
}

.news-detail-content h3 {
    color: #ffffff;
    margin: 30px 0 15px;
    font-size: 22px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #00d4ff;
    font-size: 24px;
    cursor: pointer;
}

.mobile-btns {
    display: none;
    padding: 20px;
    background: #0d1421;
    border-top: 1px solid #2d3a4f;
    flex-direction: column;
    gap: 10px;
}

.mobile-btns .btn {
    width: 100%;
    text-align: center;
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }

    .nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        margin-top: 15px;
    }

    .nav.active {
        display: flex;
    }

    .nav a {
        padding: 15px 0;
        border-bottom: 1px solid #2d3a4f;
    }

    .header-btns {
        display: none;
    }

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

    .mobile-btns.active {
        display: flex;
    }

    .banner {
        padding: 60px 0;
    }

    .banner h1 {
        font-size: 28px;
    }

    .banner p {
        font-size: 16px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title h2 {
        font-size: 26px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .news-list-item {
        flex-direction: column;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid,
    .product-list {
        grid-template-columns: 1fr;
    }

    .page-banner h1 {
        font-size: 28px;
    }

    .content-box {
        padding: 25px;
    }

    .banner-btns {
        flex-direction: column;
        align-items: center;
    }

    .banner-btns .btn {
        width: 80%;
    }
}