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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: #2C3E50;
    color: #fff;
    line-height: 1.6;
}

.header {
    background: linear-gradient(135deg, #FF6B6B, #4ECDC4);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 32px;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 10px 20px;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.hero {
    background: linear-gradient(135deg, #FF6B6B 0%, #4ECDC4 100%);
    padding: 120px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 25px;
    text-shadow: 3px 3px 10px rgba(0,0,0,0.3);
    animation: slideUp 0.8s ease;
}

.hero p {
    font-size: 22px;
    max-width: 800px;
    margin: 0 auto 40px;
    opacity: 0.95;
    animation: slideUp 0.8s ease 0.2s both;
}

.hero-btn {
    display: inline-block;
    background: white;
    color: #FF6B6B;
    padding: 18px 50px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    animation: slideUp 0.8s ease 0.4s both;
}

.hero-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.section {
    padding: 100px 20px;
}

.section-light {
    background: #f8f9fa;
    color: #333;
}

.section-title {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: #FF6B6B;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.feature-card {
    background: white;
    padding: 45px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 70px;
    margin-bottom: 25px;
}

.feature-card h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #FF6B6B;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
    font-size: 16px;
}

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

.about-content p {
    font-size: 20px;
    line-height: 2;
    color: #555;
}

.news-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-8px);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #FF6B6B, #4ECDC4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.news-body {
    padding: 30px;
}

.news-body h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.news-body p {
    color: #666;
    margin-bottom: 15px;
}

.news-date {
    color: #999;
    font-size: 14px;
}

.footer {
    background: #FF6B6B;
    padding: 60px 20px 30px;
    color: white;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

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

.footer-col h4 {
    font-size: 22px;
    margin-bottom: 25px;
}

.footer-col ul {
    list-style: none;
}

.footer-col a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 20px;
    }
    .nav-menu {
        gap: 15px;
    }
    .hero h1 {
        font-size: 36px;
    }
    .section-title {
        font-size: 32px;
    }
}