* {
    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;
}

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

.header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

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

.logo span {
    color: #f39c12;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav a:hover {
    background: #f39c12;
    color: #1a1a2e;
}

.banner {
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
    padding: 80px 0;
    text-align: center;
    color: #fff;
    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="40" fill="none" stroke="rgba(243,156,18,0.1)" stroke-width="0.5"/></svg>');
    background-size: 200px 200px;
    opacity: 0.5;
}

.banner h1 {
    font-size: 48px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.banner p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
    position: relative;
    z-index: 1;
    color: #ccc;
}

.banner .emoji-row {
    font-size: 40px;
    position: relative;
    z-index: 1;
}

.section {
    padding: 60px 0;
    background: #fff;
    margin: 20px 0;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.section:nth-child(even) {
    background: #fafafa;
}

.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: #f39c12;
    margin: 15px auto 0;
    border-radius: 2px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.feature-card {
    background: linear-gradient(145deg, #ffffff 0%, #f5f5f5 100%);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card .icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1a1a2e;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.product-card .product-image {
    height: 200px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
}

.product-card .product-info {
    padding: 25px;
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #1a1a2e;
}

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

.product-card .btn {
    display: inline-block;
    padding: 10px 25px;
    background: #f39c12;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.product-card .btn:hover {
    background: #e67e22;
}

.news-list {
    padding: 0 20px;
}

.news-item {
    display: flex;
    gap: 30px;
    padding: 30px;
    background: #fff;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateX(10px);
}

.news-item .news-date {
    min-width: 100px;
    text-align: center;
    padding: 15px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    border-radius: 10px;
}

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

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

.news-item .news-content h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #1a1a2e;
}

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

.news-item .news-content a {
    color: #f39c12;
    text-decoration: none;
    font-weight: bold;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 0 20px;
    align-items: center;
}

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

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 10px;
    color: #fff;
}

.stat-item .number {
    font-size: 48px;
    font-weight: bold;
    color: #f39c12;
}

.stat-item .label {
    font-size: 16px;
    margin-top: 10px;
}

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

.contact-info .info-item {
    display: inline-block;
    margin: 20px 40px;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    min-width: 250px;
}

.contact-info .info-item .icon {
    font-size: 50px;
    margin-bottom: 15px;
}

.contact-info .info-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #1a1a2e;
}

.contact-info .info-item p {
    color: #666;
}

.contact-form {
    max-width: 600px;
    margin: 40px auto;
    padding: 40px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    font-family: inherit;
}

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

.contact-form button {
    width: 100%;
    padding: 15px;
    background: #f39c12;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: #e67e22;
}

.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 40px 0 20px;
    text-align: center;
}

.footer-links {
    margin-bottom: 30px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    margin: 0 15px;
    font-size: 16px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #f39c12;
}

.footer p {
    color: #888;
    font-size: 14px;
}

.breadcrumb {
    padding: 15px 20px;
    background: #f5f5f5;
    border-radius: 5px;
    margin-bottom: 30px;
}

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

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

.article-content {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-top: 30px;
}

.article-content h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #1a1a2e;
}

.article-content .meta {
    color: #999;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #eee;
}

.article-content p {
    line-height: 2;
    margin-bottom: 20px;
    color: #333;
}

.article-content ul {
    margin: 20px 0;
    padding-left: 30px;
}

.article-content li {
    margin-bottom: 10px;
    color: #666;
}

.related-news {
    margin-top: 50px;
}

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

.keyword-highlight {
    color: #f39c12;
    font-weight: bold;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section {
    animation: fadeIn 0.6s ease-out;
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 20px;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

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

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

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

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

    .contact-info .info-item {
        display: block;
        margin: 20px 0;
    }
}