/* 全局样式 */
body {
    margin: 0;
    font-family: 'Playfair Display', serif;
    background: linear-gradient(135deg, #8B4513, #6B8E23);
    color: #fff;
    line-height: 1.6;
    padding: 20px;
}
h1, h2, h3 {
    font-family: 'Bebas Neue', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}
h1 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    color: #FFD700;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}
h1::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: #FFD700;
}
h2 {
    font-size: 2.2rem;
    color: #CD853F;
    border-left: 5px solid #FFD700;
    padding-left: 15px;
    margin-top: 40px;
}
h3 {
    font-size: 1.8rem;
    color: #DAA520;
    margin-top: 30px;
}
p {
    font-size: 1rem;
    color: #f0f0f0;
    margin-bottom: 15px;
}
a {
    color: #FFD700;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #FFA500;
}
ul, ol {
    padding-left: 20px;
    margin-bottom: 20px;
}
li {
    margin-bottom: 10px;
}
img {
    max-width: 100%;
    height: auto;
    filter: sepia(50%) saturate(1.5) contrast(1.2);
    margin: 10px 0;
}
code {
    display: block;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}
pre {
    margin: 20px 0;
}
button {
    background-color: #CD853F;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border-radius: 5px;
}
button:hover {
    background-color: #FFD700;
    transform: scale(1.1);
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.card {
    background: rgba(0, 0, 0, 0.7);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
}
.card img {
    border: 2px solid #FFD700;
    border-radius: 5px;
}
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 2rem;
    }
    h3 {
        font-size: 1.5rem;
    }
    p {
        font-size: 0.9rem;
    }
    .container {
        grid-template-columns: 1fr;
    }
}