@charset "UTF-8";

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

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    background-color: #0a0e1a;
    color: #e0e0e0;
    line-height: 1.6;
}

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

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.header {
    background: linear-gradient(135deg, #0d1421 0%, #1a2332 100%);
    border-bottom: 1px solid #2a3f5f;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    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: 30px;
}

.nav a {
    color: #b0b8c8;
    font-size: 15px;
    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;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #00b8e6 0%, #0088e6 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 40px;
    font-size: 16px;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu span {
    width: 25px;
    height: 2px;
    background: #00d4ff;
    transition: all 0.3s;
}

.banner {
    background: linear-gradient(135deg, #0d1421 0%, #1a2332 50%, #0f1724 100%);
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%2300d4ff" opacity="0.3"/></svg>') repeat;
    background-size: 50px 50px;
    opacity: 0.5;
}

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

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

.banner p {
    font-size: 18px;
    color: #8b9bb4;
    max-width: 700px;
    margin: 0 auto 40px;
}

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

.section-title p {
    color: #8b9bb4;
    font-size: 16px;
}

.section-title .line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00d4ff, #0099ff);
    margin: 20px auto 0;
}

.features {
    background: #0f1724;
}

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

.feature-item {
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    border: 1px solid #2a3f5f;
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s;
}

.feature-item:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

.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: 28px;
    color: #fff;
}

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

.feature-item p {
    color: #8b9bb4;
    font-size: 14px;
    line-height: 1.8;
}

.stats {
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    border-top: 1px solid #2a3f5f;
    border-bottom: 1px solid #2a3f5f;
}

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

.stat-item h3 {
    font-size: 42px;
    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: #8b9bb4;
    font-size: 14px;
}

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

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

.product-card {
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    border: 1px solid #2a3f5f;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
}

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

.product-card-image {
    height: 200px;
    background: linear-gradient(135deg, #2a3f5f 0%, #1a2332 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: #00d4ff;
}

.product-card-content {
    padding: 30px;
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #fff;
}

.product-card p {
    color: #8b9bb4;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.news-preview {
    background: #0f1724;
}

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

.news-card {
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    border: 1px solid #2a3f5f;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
}

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

.news-card-image {
    height: 180px;
    background: linear-gradient(135deg, #2a3f5f 0%, #1a2332 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #00d4ff;
}

.news-card-content {
    padding: 25px;
}

.news-card .date {
    color: #00d4ff;
    font-size: 13px;
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #fff;
    line-height: 1.4;
}

.news-card p {
    color: #8b9bb4;
    font-size: 14px;
    line-height: 1.7;
}

.breadcrumb {
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    padding: 20px 0;
    border-bottom: 1px solid #2a3f5f;
    margin-top: 70px;
}

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

.breadcrumb a {
    color: #8b9bb4;
}

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

.breadcrumb span {
    color: #00d4ff;
}

.breadcrumb-separator {
    color: #5a6f8f;
}

.page-banner {
    background: linear-gradient(135deg, #0d1421 0%, #1a2332 100%);
    padding: 100px 0 60px;
    text-align: center;
    margin-top: 70px;
}

.page-banner h1 {
    font-size: 36px;
    margin-bottom: 15px;
    color: #fff;
}

.page-banner p {
    color: #8b9bb4;
    font-size: 16px;
}

.content-section {
    background: #0a0e1a;
    padding: 60px 0;
}

.content-box {
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    border: 1px solid #2a3f5f;
    border-radius: 10px;
    padding: 40px;
}

.content-box h2 {
    font-size: 28px;
    margin-bottom: 25px;
    color: #fff;
    padding-bottom: 15px;
    border-bottom: 1px solid #2a3f5f;
}

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

.content-box p {
    color: #b0b8c8;
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: 20px;
}

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

.content-box ul li {
    color: #b0b8c8;
    font-size: 15px;
    line-height: 2;
    position: relative;
    padding-left: 20px;
}

.content-box ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #00d4ff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    background: linear-gradient(135deg, #2a3f5f 0%, #1a2332 100%);
    border-radius: 10px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: #00d4ff;
    border: 1px solid #2a3f5f;
}

.timeline {
    margin-top: 40px;
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #2a3f5f;
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-year {
    font-size: 24px;
    font-weight: bold;
    color: #00d4ff;
    min-width: 80px;
}

.timeline-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #fff;
}

.timeline-content p {
    color: #8b9bb4;
    font-size: 14px;
    line-height: 1.7;
}

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

.news-item {
    display: flex;
    gap: 25px;
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    border: 1px solid #2a3f5f;
    border-radius: 10px;
    padding: 25px;
    transition: all 0.3s;
}

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

.news-item-image {
    width: 200px;
    min-width: 200px;
    height: 140px;
    background: linear-gradient(135deg, #2a3f5f 0%, #1a2332 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #00d4ff;
}

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

.news-item .date {
    color: #00d4ff;
    font-size: 13px;
    margin-bottom: 10px;
}

.news-item h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #fff;
}

.news-item p {
    color: #8b9bb4;
    font-size: 14px;
    line-height: 1.7;
}

.news-item .read-more {
    display: inline-block;
    margin-top: 15px;
    color: #00d4ff;
    font-size: 14px;
}

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

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

.pagination a,
.pagination span {
    padding: 10px 18px;
    background: linear-gradient(135deg, #1a2332 0%, #0d1421 100%);
    border: 1px solid #2a3f5f;
    border-radius: 5px;
    color: #b0b8c8;
    font-size: 14px;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination .current {
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    border-color: #00d4ff;
    color: #fff;
}

.news-detail-content h1 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #fff;
    line-height: 1.4;
}

.news-detail-content .meta {
    color: #8b9bb4;
    font-size: 14px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #2a3f5f;
}

.news-detail-content .meta span {
    margin-right: 25px;
}

.news-detail-content .meta i {
    color: #00d4ff;
    margin-right: 8px;
}

.news-detail-body {
    color: #b0b8c8;
    font-size: 15px;
    line-height: 2;
}

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

.news-detail-body h3 {
    font-size: 20px;
    margin: 30px 0 15px;
    color: #00d4ff;
}

.news-detail-body img {
    width: 100%;
    border-radius: 10px;
    margin: 25px 0;
}

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

.contact-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    min-width: 60px;
}

.contact-info-text h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #fff;
}

.contact-info-text p {
    color: #8b9bb4;
    font-size: 14px;
    line-height: 1.7;
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    margin-bottom: 10px;
    color: #b0b8c8;
    font-size: 14px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    background: #0d1421;
    border: 1px solid #2a3f5f;
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    transition: all 0.3s;
}

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

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

.footer {
    background: linear-gradient(135deg, #0d1421 0%, #1a2332 100%);
    border-top: 1px solid #2a3f5f;
    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: 20px;
    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: #8b9bb4;
    font-size: 14px;
    line-height: 1.8;
}

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

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

.footer-links ul li a {
    color: #8b9bb4;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid #2a3f5f;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #5a6f8f;
    font-size: 13px;
}

.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #0d1421 0%, #1a2332 100%);
    border-top: 1px solid #2a3f5f;
    padding: 15px;
    z-index: 999;
    gap: 10px;
}

.mobile-cta .btn {
    flex: 1;
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #0d1421 0%, #1a2332 100%);
        flex-direction: column;
        padding: 20px;
        border-top: 1px solid #2a3f5f;
    }

    .nav.active {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .header-btns {
        display: none;
    }

    .banner {
        padding: 120px 0 60px;
    }

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

    .banner p {
        font-size: 15px;
    }

    .section-title h2 {
        font-size: 24px;
    }

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

    .about-image {
        min-height: 250px;
        order: -1;
    }

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

    .news-item-image {
        width: 100%;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .mobile-cta {
        display: flex;
    }

    body {
        padding-bottom: 80px;
    }
}