body {
    font-family: "KaiTi", "Microsoft Yahei", serif;
    line-height: 1.8;
    color: #333;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);
    margin: 0;
    min-height: 100vh;
}

header {
    background: #f3f4f6;
    color: #fff;
    padding: 20px;
    text-align: center;
    font-size: 1.5em;
    font-weight: bold;
    letter-spacing: 2px;
}

nav a {
    color: #f5e6c4;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #ffd700;
}

.hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: #fff;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero h2 {
    font-size: 3em;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    margin-top: 20px;
    background-color: #b58900;
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #ffd700;
    color: #000;
}

.cards {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin: 40px 0;
}

.card {
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    margin: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 300px;
    transition: transform 0.3s ease;
}

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