@charset "UTF-8";
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

a {
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

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

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

.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: #c00;
    color: #fff;
    padding: 10px 0;
    font-size: 14px;
}

.header-main {
    padding: 20px 0;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #c00;
}

.nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.nav a {
    font-size: 16px;
    padding: 10px 15px;
    border-radius: 4px;
}

.nav a:hover, .nav a.active {
    background-color: #c00;
    color: #fff;
}

.banner {
    background: linear-gradient(135deg, #c00 0%, #ff4444 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.banner h1 {
    font-size: 42px;
    margin-bottom: 20px;
}

.banner p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #fff;
    color: #c00;
    font-weight: bold;
    border-radius: 5px;
    font-size: 16px;
    border: 2px solid #fff;
    cursor: pointer;
}

.btn:hover {
    background-color: transparent;
    color: #fff;
}

.section {
    padding: 60px 0;
    background-color: #fff;
}

.section-gray {
    background-color: #f9f9f9;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
    font-size: 16px;
}

.breadcrumb {
    background-color: #f5f5f5;
    padding: 15px 0;
    font-size: 14px;
}

.breadcrumb a {
    color: #c00;
}

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

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

.service-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card h3 {
    color: #c00;
    margin-bottom: 15px;
    font-size: 22px;
}

.service-card p {
    color: #666;
    line-height: 1.8;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature-item {
    text-align: center;
    padding: 20px;
}

.feature-number {
    font-size: 48px;
    font-weight: bold;
    color: #c00;
    margin-bottom: 10px;
}

.feature-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

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

.news-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.news-content {
    padding: 25px;
}

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

.news-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.news-card h3 a:hover {
    color: #c00;
}

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
}

.contact-item h4 {
    color: #c00;
    margin-bottom: 15px;
    font-size: 20px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-content h3 {
    color: #c00;
    margin: 30px 0 15px;
    font-size: 24px;
}

.about-content p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #555;
}

.footer {
    background-color: #222;
    color: #ccc;
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-column h4 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 18px;
}

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

.footer-column ul li a {
    color: #ccc;
}

.footer-column ul li a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
}

.cta-section {
    background: linear-gradient(135deg, #c00 0%, #ff4444 100%);
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 16px;
    margin-bottom: 30px;
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
    margin-left: 15px;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #c00;
}

@media (max-width: 768px) {
    .banner h1 {
        font-size: 28px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .nav {
        gap: 15px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}