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

body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f5f5f5;
}

.header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: #e94560;
}

.nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 30px;
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav a:hover {
    background: #e94560;
    color: #fff;
}

.banner {
    background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 100%);
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

.banner h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.banner p {
    font-size: 20px;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.section {
    padding: 60px 0;
    background: #fff;
    margin: 30px 0;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1a1a2e;
    position: relative;
}

.section-title::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: #e94560;
    margin: 15px auto 0;
}

.section-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    background: linear-gradient(145deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid #dee2e6;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1a1a2e;
}

.feature-item p {
    color: #666;
    font-size: 15px;
}

.news-list {
    list-style: none;
}

.news-item {
    padding: 25px;
    border-bottom: 1px solid #eee;
    transition: background 0.3s ease;
}

.news-item:hover {
    background: #f8f9fa;
}

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

.news-title {
    font-size: 20px;
    color: #1a1a2e;
    margin-bottom: 10px;
    text-decoration: none;
    display: block;
}

.news-title:hover {
    color: #e94560;
}

.news-meta {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-desc {
    color: #666;
    line-height: 1.8;
}

.contact-info {
    text-align: center;
    padding: 40px 20px;
}

.contact-item {
    margin: 20px 0;
    font-size: 18px;
}

.contact-item span {
    margin-right: 10px;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #1a1a2e;
}

.about-text p {
    margin-bottom: 15px;
    line-height: 2;
    color: #555;
}

.footer {
    background: #1a1a2e;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin-top: 50px;
}

.footer p {
    opacity: 0.8;
}

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

.product-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1a1a2e;
}

.product-info p {
    color: #666;
    margin-bottom: 15px;
}

.product-btn {
    display: inline-block;
    background: #e94560;
    color: #fff;
    padding: 10px 25px;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.product-btn:hover {
    background: #d63850;
}

.hero-content {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    margin: -30px -20px 30px;
    border-radius: 0;
}

.hero-content h2 {
    font-size: 42px;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    color: #666;
    max-width: 700px;
    margin: 0 auto 30px;
}

.cta-btn {
    display: inline-block;
    background: #e94560;
    color: #fff;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    background: #d63850;
    transform: scale(1.05);
}

.stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: #e94560;
}

.stat-label {
    color: #666;
    font-size: 16px;
}

.content-block {
    margin: 30px 0;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #e94560;
}

.content-block h4 {
    font-size: 22px;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.content-block p {
    color: #555;
    line-height: 2;
}

.keyword-highlight {
    color: #e94560;
    font-weight: bold;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th, table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background: #1a1a2e;
    color: #fff;
}

table tr:hover {
    background: #f8f9fa;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

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

.submit-btn {
    background: #e94560;
    color: #fff;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #d63850;
}

.breadcrumb {
    padding: 20px 0;
    background: #f8f9fa;
    margin-bottom: 30px;
}

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

.breadcrumb a {
    color: #666;
    text-decoration: none;
}

.breadcrumb span {
    margin: 0 10px;
    color: #999;
}

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 10px;
    }

    .banner h1 {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .hero-content h2 {
        font-size: 28px;
    }

    .stats {
        gap: 30px;
    }
}