/* 英雄区域 */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)), url('../img/首页1.0.png');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    height: calc(100vh - 80px);
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.custom-align {
    text-align: left; /* 整体左对齐 */
    text-align-last: left; /* 确保最后一行也左对齐 */
    text-indent: 2em; /* 首行缩进两个字符 */
}

/* 确保在所有浏览器中都能正常工作 */
.custom-align {
    -webkit-text-align-last: left;
    -moz-text-align-last: left;
    -ms-text-align-last: left;
    text-align-last: left;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px #000;
}

.hero p {
    font-size: 1.6rem;
    max-width: 1000px;
    margin: 0 auto 3rem;
    text-indent: 2em; /* 2em通常对应两个中文字符的宽度 */
    margin-top: 200px; /* 增加顶部边距 */
}

.btn {
    display: inline-block;
    background-color: #8b0000;
    color: white;
    padding: 1.2rem 3rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.4rem;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #a52a2a;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1.2rem;
        margin-bottom: 2rem;
        margin-top: 200px; /* 增加顶部边距 */
    }
    
    .btn {
        padding: 1rem 2rem;
        font-size: 1.2rem;
    }
}

/* 四大名著网格 */
.classic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.classic-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.classic-card:hover {
    transform: translateY(-12px);
}

.classic-img {
    height: 200px;
    overflow: hidden;
}

.classic-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.classic-info {
    padding: 2rem;
}

.classic-desc {
    color: #666;
    margin-bottom: 1.2rem;
    font-size: 1rem;
}