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

body {
    font-family: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', serif;
    line-height: 1.8;
    color: #333;
    background-color: #f9f9f9;
}

header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    text-align: center;
    padding: 60px 20px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 300;
}

header p {
    font-size: 1.1em;
    opacity: 0.8;
}

nav {
    background-color: #fff;
    padding: 15px 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav a {
    text-decoration: none;
    color: #333;
    margin: 0 20px;
    font-size: 1.1em;
    padding: 5px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

nav a:hover, nav a.active {
    background-color: #1a1a2e;
    color: white;
}

main {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.intro {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 40px;
}

.intro h2 {
    color: #1a1a2e;
    margin-bottom: 20px;
    font-size: 1.8em;
}

.intro p {
    margin-bottom: 15px;
    text-indent: 2em;
}

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

.collection-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s;
}

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

.collection-card h3 {
    color: #1a1a2e;
    margin-bottom: 15px;
    font-size: 1.5em;
}

.collection-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    background-color: #1a1a2e;
    color: white;
    padding: 10px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #16213e;
}

footer {
    background-color: #1a1a2e;
    color: white;
    text-align: center;
    padding: 30px;
    margin-top: 60px;
}

.content-page {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.content-page h2 {
    color: #1a1a2e;
    margin-bottom: 30px;
    text-align: center;
    font-size: 2em;
}

.content-section {
    margin-bottom: 40px;
}

.content-section h3 {
    color: #16213e;
    margin-bottom: 15px;
    font-size: 1.4em;
    border-left: 4px solid #1a1a2e;
    padding-left: 15px;
}

.content-section p {
    text-indent: 2em;
    margin-bottom: 15px;
    line-height: 2;
}

.comments-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.comments-section h3 {
    margin-bottom: 20px;
    color: #1a1a2e;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    
    nav a {
        margin: 0 10px;
        font-size: 1em;
    }
    
    .collections {
        grid-template-columns: 1fr;
    }
}