@charset "UTF-8";

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

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

ul, ol {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: #0f0f1a;
    padding: 8px 0;
    border-bottom: 1px solid #2a2a4a;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #888;
}

.header-top a {
    color: #00d4aa;
    margin-left: 20px;
}

.header-main {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    margin-left: 10px;
}

.logo-text span {
    color: #00d4aa;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
}

.nav-item {
    margin: 0 25px;
}

.nav-link {
    color: #fff;
    font-size: 15px;
    padding: 10px 0;
    display: block;
    position: relative;
    transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: #00d4aa;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #00d4aa;
    transition: width 0.3s;
}

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

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4aa 0%, #00a884 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #00e6b8 0%, #00bc94 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 170, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #00d4aa;
    border: 1px solid #00d4aa;
}

.btn-secondary:hover {
    background: #00d4aa;
    color: #fff;
}

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

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

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: #fff;
    margin: 3px 0;
    transition: 0.3s;
}

.banner {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 180px 0 100px;
    margin-top: 0;
    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="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
}

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

.banner-title {
    font-size: 48px;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 700;
}

.banner-title span {
    color: #00d4aa;
}

.banner-subtitle {
    font-size: 20px;
    color: #aaa;
    margin-bottom: 40px;
    max-width: 800px;
    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;
    color: #1a1a2e;
    margin-bottom: 15px;
    font-weight: 700;
}

.section-title h2 span {
    color: #00d4aa;
}

.section-title p {
    font-size: 16px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.bg-dark {
    background: #1a1a2e;
}

.bg-dark .section-title h2 {
    color: #fff;
}

.bg-dark .section-title p {
    color: #aaa;
}

.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00d4aa 0%, #00a884 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: #fff;
}

.feature-item h3 {
    font-size: 20px;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.feature-item p {
    color: #666;
    line-height: 1.8;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00d4aa;
    font-size: 48px;
}

.product-content {
    padding: 30px;
}

.product-content h3 {
    font-size: 20px;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.product-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.news-list {
    display: grid;
    gap: 30px;
}

.news-item {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    display: flex;
    gap: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.news-item:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.news-date {
    min-width: 80px;
    text-align: center;
    padding: 15px;
    background: linear-gradient(135deg, #00d4aa 0%, #00a884 100%);
    border-radius: 8px;
    color: #fff;
}

.news-date .day {
    font-size: 32px;
    font-weight: bold;
    display: block;
}

.news-date .month {
    font-size: 14px;
}

.news-content {
    flex: 1;
}

.news-content h3 {
    font-size: 18px;
    color: #1a1a2e;
    margin-bottom: 10px;
    transition: color 0.3s;
}

.news-item:hover .news-content h3 {
    color: #00d4aa;
}

.news-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 10px;
}

.news-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #999;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 8px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00d4aa;
    font-size: 120px;
}

.about-text h3 {
    font-size: 28px;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.about-text p {
    color: #666;
    line-height: 2;
    margin-bottom: 20px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: #00d4aa;
    margin-bottom: 10px;
}

.stat-label {
    color: #aaa;
    font-size: 14px;
}

.breadcrumb {
    background: #16213e;
    padding: 20px 0;
    margin-top: 120px;
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #aaa;
    font-size: 14px;
}

.breadcrumb-content a {
    color: #fff;
}

.breadcrumb-content a:hover {
    color: #00d4aa;
}

.breadcrumb-content span {
    color: #00d4aa;
}

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

.content-section {
    background: #fff;
    padding: 50px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}

.content-section h2 {
    font-size: 28px;
    color: #1a1a2e;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #00d4aa;
}

.content-section h3 {
    font-size: 20px;
    color: #1a1a2e;
    margin: 30px 0 15px;
}

.content-section p {
    color: #666;
    line-height: 2;
    margin-bottom: 15px;
}

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

.content-section ul li {
    color: #666;
    line-height: 2;
    list-style: disc;
    margin-bottom: 10px;
}

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

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

.contact-info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00d4aa 0%, #00a884 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 18px;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.contact-info-text p {
    color: #666;
    line-height: 1.8;
}

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

.contact-form label {
    display: block;
    margin-bottom: 8px;
    color: #1a1a2e;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00d4aa;
}

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

.news-detail-content {
    background: #fff;
    padding: 50px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.news-detail-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 30px;
    margin-bottom: 30px;
}

.news-detail-header h1 {
    font-size: 32px;
    color: #1a1a2e;
    margin-bottom: 20px;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    gap: 30px;
    color: #999;
    font-size: 14px;
}

.news-detail-body {
    color: #666;
    line-height: 2;
    font-size: 16px;
}

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

.news-detail-body h3 {
    color: #1a1a2e;
    margin: 30px 0 15px;
    font-size: 22px;
}

.footer {
    background: #0f0f1a;
    padding: 60px 0 30px;
}

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

.footer-section h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 25px;
}

.footer-section p {
    color: #888;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.footer-section ul li a {
    color: #888;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #00d4aa;
}

.footer-bottom {
    border-top: 1px solid #2a2a4a;
    padding-top: 30px;
    text-align: center;
    color: #666;
    font-size: 13px;
}

.footer-bottom a {
    color: #888;
    margin: 0 15px;
}

.footer-bottom a:hover {
    color: #00d4aa;
}

.mobile-float-btns {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 10px 15px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 999;
    gap: 10px;
}

.mobile-float-btns .btn {
    flex: 1;
    padding: 12px;
    font-size: 14px;
}

@media (max-width: 992px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #1a1a2e;
        padding: 20px;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
    }
    
    .nav-item {
        margin: 10px 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-btns {
        display: none;
    }
    
    .banner {
        padding: 140px 0 60px;
    }
    
    .banner-title {
        font-size: 28px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .news-item {
        flex-direction: column;
    }
    
    .news-date {
        display: flex;
        align-items: center;
        gap: 10px;
        min-width: auto;
    }
    
    .news-date .day,
    .news-date .month {
        display: inline;
        font-size: 16px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .mobile-float-btns {
        display: flex;
    }
    
    body {
        padding-bottom: 70px;
    }
    
    .content-section {
        padding: 30px 20px;
    }
    
    .news-detail-content {
        padding: 30px 20px;
    }
    
    .news-detail-header h1 {
        font-size: 22px;
    }
}