/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* 基础样式 */
:root {
    --primary-color: #4e8cbb;
    --primary-dark: #3a7cb2;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-color: #f5f5f5;
    --border-color: #e6d8b6;
    --hover-color: #b89b5b;
    --section-bg: #f9f6ec;
    --card-shadow: 0 2px 12px rgba(180,160,100,0.10);
}

body {
    font-family: "Microsoft YaHei", "SimSun", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--bg-color);
}

a {
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.3s;
}

    a:hover {
        color: var(--primary-color);
    }

ul, li {
    list-style: none;
}

.clearfix:after {
    content: "";
    display: table;
    clear: both;
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
  
}


/* 左侧内容区域 */
.m-bdbl {
    float: left;
    width: 70%;
    padding-right: 5px;
}

/* 右侧边栏 */
.m-bdbr {
    float: right;
    width: 30%;
}

/* 专题区块通用样式 */
.topic-section,
.sidebar-section {
    background: var(--section-bg);
    border-radius: 14px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 5px;
}

/* 统一标题风格 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

    .section-header h2,
    .section-header h3 {
        color: #7c5c1e;
        font-size: 19px;
        font-weight: bold;
        letter-spacing: 1px;
        margin: 0;
        background: none;
        padding-left: 0;
        position: static;
    }

    .section-header .more {
        color: var(--hover-color);
        font-size: 14px;
        transition: color 0.3s;
    }

        .section-header .more:hover {
            color: var(--primary-color);
        }

/* 专题列表样式 */
.topic-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.topic-item {
    display: flex;
    gap: 5px;
    padding:5px 8px 8px 8px;
    background:#fff;
    border: 1px solid #e0d9c8;
    border-radius: 4px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

  

.topic-cover {
    flex: 0 0 120px;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    min-height: 120px;
}

.book-cover {
    position: relative;
    width: 120px;
    height: 160px;
    background: #fcf9f3;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(180,160,100,0.10);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin: 0 auto;
    padding-top: 32px;
    box-sizing: border-box;
    overflow: hidden;
}

.book-cover-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(to right, #b89b5b, #e6d8b6 80%);
    border-radius: 8px 8px 0 0;
}

.book-cover-left {
    position: absolute;
    top: 12px;
    left: 2px;
    bottom: 12px;
    width: 2px;
    background: #e6d8b6;
    border-radius: 2px;
}

.book-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #d5b788, #8b6b4a);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.08);
    z-index: 1;
}

    .book-icon span {
        color: #fff;
        font-size: 28px;
        font-weight: bold;
        letter-spacing: 2px;
    }

.book-title {
    font-size: 18px;
    font-weight: bold;
    color: #5a442e;
    margin-bottom: 6px;
    text-align: center;
    z-index: 1;
}

.book-author {
    font-size: 14px;
    color: #b0a48a;
    text-align: center;
    z-index: 1;
}

.topic-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px;
}

    .topic-info h3 {
        font-size: 19px;
        margin-bottom: 8px;
        font-weight: bold;
        color: #5a4321;
        padding-left: 0;
        position: static;
    }

        .topic-info h3:before {
            display: none;
        }

        .topic-info h3 a {
            color: #5a442e;
            transition: color 0.3s;
            font-weight: bold;
        }

            .topic-info h3 a:hover {
                color: #8b6b4a;
            }

    .topic-info p {
        color: #6d5b3b;
        margin-bottom: 12px;
        line-height: 1.8;
        font-size: 16px;
    }

.topic-meta {
    color: #8b6b4a;
}

    .topic-meta i {
        color: #8b6b4a;
    }

/* 右侧边栏样式 */
.hot-topics,
.new-topics {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hot-topic {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background: #f3e9d7;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

    .hot-topic:hover {
        background: #e9d8b4;
        transform: translateX(5px);
    }

    .hot-topic .rank {
        width: 24px;
        height: 24px;
        background: var(--hover-color);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: bold;
        margin-right: 12px;
    }

    .hot-topic .title {
        flex: 1;
        color: #7c5c1e;
        font-size: 15px;
        font-weight: bold;
    }

    .hot-topic .views {
        color: var(--hover-color);
        font-size: 13px;
    }

.new-topics {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.new-topic {
    display: flex;
    align-items: center;
    background: #fcf9f3;
    border: 1px solid #e6d8b6;
    border-radius: 6px;
    padding: 12px 14px 10px 14px;
    box-shadow: 0 1px 4px rgba(180,160,100,0.06);
    transition: box-shadow 0.2s, border-color 0.2s;
    text-decoration: none;
    margin-bottom: 0;
    gap: 10px;
    min-height: 44px;
}

    .new-topic:hover {
        border-color: #b89b5b;
        box-shadow: 0 4px 12px rgba(180,160,100,0.10);
        background: #f3e9d7;
    }

    .new-topic .book-title {
        font-size: 16px;
        font-weight: bold;
        color: #5a442e;
        margin-bottom: 0;
        line-height: 1.3;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .new-topic .chapter {
        font-size: 14px;
        color: #8b6b4a;
        line-height: 1.2;
        margin-left: 12px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 1;
    }

        .new-topic .chapter a {
            color: #b89b5b;
            text-decoration: underline dotted;
            margin-left: 2px;
            transition: color 0.2s;
        }

            .new-topic .chapter a:hover {
                color: #7c5c1e;
            }

/* 筛选分类区域样式 */
.filter-section {
    background: var(--section-bg);
    border-radius: 14px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    padding: 24px 28px;
    margin-bottom: 10px;
}

.filter-header {
    margin-bottom: 5px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

    .filter-header h2 {
        color: #7c5c1e;
        font-size: 19px;
        font-weight: bold;
        letter-spacing: 1px;
        margin: 0;
        position: relative;
        padding-left: 12px;
    }

        .filter-header h2:before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 16px;
            background: var(--hover-color);
            border-radius: 2px;
        }

.filter-content {
    display: flex;
    flex-direction: column;
}

.filter-group {
    display: flex;
    align-items: flex-start;
}

.filter-label {
    color: #7c5c1e;
    font-size: 15px;
    font-weight: bold;
    min-width: 60px;
    padding-top: 2px;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

    .filter-options a {
        display: inline-block;
        background: #f3e9d7;
        border: 1px solid var(--border-color);
        border-radius: 20px;
        color: #7c5c1e;
        font-size: 14px;
        transition: all 0.3s;
    }

        .filter-options a:hover {
            background: #e9d8b4;
            border-color: var(--hover-color);
            color: var(--hover-color);
        }

        .filter-options a.active {
            background: var(--hover-color);
            border-color: var(--hover-color);
            color: #fff;
        }

/* 书籍元数据样式 */
.book-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
    color: var(--text-light);
    font-size: 14px;
}

    .book-meta .author,
    .book-meta .chapters {
        display: flex;
        align-items: center;
        gap: 5px;
    }

    .book-meta i {
        color: var(--hover-color);
        font-size: 16px;
    }

    .book-meta .tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .book-meta .tag {
        display: inline-block;
        padding: 2px 8px;
        background: #f3e9d7;
        border: 1px solid var(--border-color);
        border-radius: 12px;
        color: var(--hover-color);
        font-size: 12px;
        transition: all 0.3s;
    }

        .book-meta .tag:hover {
            background: #e9d8b4;
            border-color: var(--hover-color);
            color: var(--hover-color);
        }

/* 响应式布局 */
@media screen and (max-width: 768px) {
    .m-bdbl,
    .m-bdbr {
        float: none;
        width: 100%;
        padding-right: 0;
    }

    .topic-item {
        padding: 15px 10px;
    }

    .topic-cover {
        min-width: 100px;
        min-height: 100px;
    }

    .book-cover {
        width: 110px;
        height: 150px;
        padding-top: 22px;
    }

    .book-icon {
        width: 36px;
        height: 36px;

    }

        .book-icon span {
            font-size: 20px;
        }

    .book-title {
        font-size: 15px;
    }

    .book-author {
        font-size: 16px;
    }



    .filter-section {
        padding: 15px;
    }

    .filter-group {
        flex-direction: column;
    }

    .filter-label {
        padding-top: 0;
    }

    .filter-options {
        gap: 8px;
    }

        .filter-options a {
            font-size: 13px;
        }

    .book-meta {
        gap: 10px;
        font-size: 16px;
    }

        .book-meta .tags {
            gap: 6px;
        }

        .book-meta .tag {
            padding: 1px 6px;
            font-size: 11px;
        }

    .new-topic {
        padding: 8px 8px 7px 8px;
        border-radius: 4px;
        gap: 6px;
        min-height: 32px;
    }

        .new-topic .book-title {
            font-size: 14px;
        }

        .new-topic .chapter {
            font-size: 12px;
            margin-left: 6px;
        }
}

/* 分页样式 */
.pagination-wrapper {
    margin: 5px 0;
    text-align: center;
}

.pagination {
    display: inline-flex;
    align-items: center;
}

.pagination-list {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pagination-info {
    color: #666;
    font-size: 14px;
    margin-right: 15px;
}

.pagination-link {
    min-width: 36px;
    height: 36px;
    line-height: 36px;
    padding: 0 8px;
    font-size: 14px;
    color: #666;
    background: #fff;
    border: 1px solid #ddd;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.pagination-link:not(.current):hover {
    color: #1890ff;
    border-color: #1890ff;
}

.pagination-link.current {
    color: #fff;
    background: #1890ff;
    border-color: #1890ff;
}

.pagination-ellipsis {
    min-width: 36px;
    height: 36px;
    line-height: 36px;
    padding: 0 8px;
    font-size: 14px;
    color: #999;
    background: none;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: default;
}

/* 隐藏首页和末页按钮 */
.pagination-link[title="首页"],
.pagination-link[title="末页"] {
    display: none !important;
}

/* 隐藏包含首页和末页文字的li元素 */
.pagination-list li:has(.pagination-link[title="首页"]),
.pagination-list li:has(.pagination-link[title="末页"]) {
    display: none !important;
}

/* 将上一页和下一页文字替换为符号 */
.pagination-link[title="上一页"] {
    font-size: 16px;
    font-weight: bold;
}

.pagination-link[title="上一页"]:before {
    content: "‹";
}

.pagination-link[title="上一页"] {
    text-indent: -9999px;
    overflow: hidden;
    position: relative;
}

.pagination-link[title="上一页"]:before {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-indent: 0;
}

.pagination-link[title="下一页"] {
    font-size: 16px;
    font-weight: bold;
    text-indent: -9999px;
    overflow: hidden;
    position: relative;
}

.pagination-link[title="下一页"]:before {
    content: "›";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-indent: 0;
}

/* 响应式布局调整 */
@media screen and (max-width: 768px) {
    .pagination-info {
        font-size: 13px;
        margin-right: 10px;
    }

    .pagination-link {
        min-width: 32px;
        height: 32px;
        line-height: 32px;
        padding: 0 6px;
        font-size: 13px;
    }

    .pagination-link[title="上一页"]:before,
    .pagination-link[title="下一页"]:before {
        font-size: 14px;
    }

    .pagination-ellipsis {
        min-width: 32px;
        height: 32px;
        line-height: 32px;
    }
}

@media screen and (max-width: 480px) {
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 3px;
    }

    .pagination-info {
        width: 100%;
        margin-bottom: 10px;
        margin-right: 0;
        font-size: 12px;
        text-align: center;
    }

    .pagination-link {
        min-width: 30px;
        height: 30px;
        line-height: 30px;
        padding: 0 5px;
        font-size: 16px;
    }

    .pagination-link[title="上一页"]:before,
    .pagination-link[title="下一页"]:before {
        font-size: 16px;
    }

    .pagination-ellipsis {
        min-width: 30px;
        height: 30px;
        line-height: 30px;
    }
}


/* 分类筛选样式 */
.filter-section {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.filter-header h2 {
    color: #333;
    font-size: 18px;
}



.filter-label {
    display: inline-block;
    width: 60px;
    color: #666;
    font-weight: bold;
    vertical-align: top;
    line-height: 32px;
}

.filter-options {
    display: inline-block;
    width: calc(100% - 70px);
}

.filter-item {
    display: inline-block;
    padding: 6px 12px;
    margin: 2px 5px 2px 0;
    background: #f5f5f5;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

    .filter-item:hover {
        background: #e0e0e0;
        color: #333;
    }

    .filter-item.active {
        background: #1890ff;
        color: #fff;
    }

.expand-icon {
    margin-left: 5px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.filter-item.active .expand-icon {
    transform: rotate(180deg);
}

/* 子分类使用不同的颜色以区分层级 */
#subBookTypeFilter .filter-item {
    background: #f0f8ff;
    border: 1px solid #d0e7ff;
}

    #subBookTypeFilter .filter-item:hover {
        background: #e6f3ff;
    }

    #subBookTypeFilter .filter-item.active {
        background: #52c41a;
        color: #fff;
        border-color: #52c41a;
    }

/* 分页样式 */
.pagination-wrapper {
    padding: 5px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.pagination-info {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
}

.pagination-nav {
    display: flex;
    gap: 5px;
    align-items: center;
}

.page-btn {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 2px;
    background: #f5f5f5;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #d9d9d9;
    transition: all 0.3s ease;
    font-size: 14px;
    min-width: 36px;
    text-align: center;
}

    .page-btn:hover {
        background: #1890ff;
        color: #fff;
        border-color: #1890ff;
    }

    .page-btn.current {
        background: #1890ff;
        color: #fff;
        border-color: #1890ff;
        font-weight: bold;
    }

    .page-btn.disabled {
        background: #f5f5f5;
        color: #ccc;
        cursor: not-allowed;
        border-color: #e6e6e6;
    }

        .page-btn.disabled:hover {
            background: #f5f5f5;
            color: #ccc;
            border-color: #e6e6e6;
        }

/* 无数据提示样式 */
.no-data-panel {
    text-align: center;
    padding: 60px 20px;
    background: #fafafa;
    border-radius: 8px;
    margin: 20px 0;
}

.no-data-content {
    max-width: 400px;
    margin: 0 auto;
}

    .no-data-content .icon-book-empty {
        font-size: 64px;
        color: #d9d9d9;
        margin-bottom: 20px;
        display: block;
    }

        .no-data-content .icon-book-empty:before {
            content: "📚";
        }

    .no-data-content h3 {
        color: #666;
        margin: 0 0 10px 0;
        font-size: 18px;
    }

    .no-data-content p {
        color: #999;
        margin: 0;
        font-size: 14px;
        line-height: 1.5;
    }

/* 热门古籍样式优化 - 更大气的设计 */
.hot-books-list {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    padding: 0;
    overflow: hidden;
    border: 1px solid #e9ecef;
}

.hot-book-item {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid #f1f3f4;
    position: relative;
    background: transparent;
}

    .hot-book-item:last-child {
        border-bottom: none;
    }

    .hot-book-item:hover {
        background: linear-gradient(135deg, #f0f8ff 0%, #e6f3ff 100%);
        transform: translateX(8px);
        box-shadow: 0 2px 12px rgba(24, 144, 255, 0.15);
    }

        .hot-book-item:hover::before {
            opacity: 1;
            transform: scaleY(1);
        }

    .hot-book-item::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: linear-gradient(to bottom, #1890ff, #40a9ff);
        opacity: 0;
        transform: scaleY(0);
        transition: all 0.3s ease;
        border-radius: 0 2px 2px 0;
    }

.book-rank {
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
    color: #666;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    margin-right: 16px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

    .book-rank::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(255,255,255,0.3), transparent);
        pointer-events: none;
    }

.hot-book-item:nth-child(1) .book-rank {
    background: linear-gradient(135deg, #ff4d4f, #ff7875);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 77, 79, 0.3);
}

.hot-book-item:nth-child(2) .book-rank {
    background: linear-gradient(135deg, #ff7a45, #ffa940);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 122, 69, 0.3);
}

.hot-book-item:nth-child(3) .book-rank {
    background: linear-gradient(135deg, #ffa940, #ffc53d);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 169, 64, 0.3);
}

.book-info {
    flex: 1;
    min-width: 0;
}

.book-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.book-title {
    color: #262626;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.3s ease;
    line-height: 1.4;
}

    .book-title:hover {
        color: #1890ff;
        transform: translateX(2px);
    }

.book-stats {
    display: flex;
    align-items: center;
    gap: 16px;
    color: #8c8c8c;
    font-size: 12px;
    flex-shrink: 0;
}

    .book-stats span {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 4px 8px;
        background: rgba(0,0,0,0.04);
        border-radius: 12px;
        transition: all 0.3s ease;
    }

        .book-stats span:hover {
            background: rgba(24, 144, 255, 0.1);
            color: #1890ff;
        }

    .book-stats i {
        font-size: 14px;
    }

    .book-stats .chapters {
        color: #52c41a;
    }

        .book-stats .chapters:hover {
            background: rgba(82, 196, 26, 0.1);
            color: #52c41a;
        }

    .book-stats .hits {
        color: #fa8c16;
    }

        .book-stats .hits:hover {
            background: rgba(250, 140, 22, 0.1);
            color: #fa8c16;
        }

/* 手机自适应 */
@media (max-width: 768px) {
    .pagination-container {
        flex-direction: column;
        align-items: stretch;
    }

    .pagination-info {
        justify-content: center;
        order: 2;
        margin-top: 10px;
    }

    .pagination-nav {
        justify-content: center;
        flex-wrap: wrap;
        order: 1;
    }

    .page-btn {
        padding: 6px 10px;
        font-size: 13px;
        min-width: 32px;
    }

    .filter-label {
        width: 100%;
        margin-bottom: 5px;
    }

    .filter-options {
        width: 100%;
    }

    .no-data-panel {
        padding: 40px 15px;
    }

    .no-data-content .icon-book-empty {
        font-size: 48px;
    }

    .hot-book-item {
        padding: 12px 15px;
    }

    .book-rank {
        width: 28px;
        height: 28px;
        line-height: 28px;
        font-size: 12px;
        margin-right: 12px;
    }

    .book-title {
        font-size: 14px;
    }

    .book-stats {
        font-size: 11px;
        gap: 12px;
    }

        .book-stats span {
            padding: 3px 6px;
        }
}

@media (max-width: 480px) {


    .pagination-info {
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }

    .page-btn {
        padding: 5px 8px;
        font-size: 12px;
        min-width: 28px;
    }

    .filter-section {
        padding: 15px;
    }

    .filter-item {
        padding: 4px 8px;
        font-size: 13px;
    }

    .hot-book-item {
        padding: 10px 12px;
    }

    .book-rank {
        width: 24px;
        height: 24px;
        line-height: 24px;
        font-size: 16px;
        margin-right: 10px;
    }

    .book-title {
        font-size: 16px;
    }

    .book-stats {
        font-size: 16px;
        gap: 8px;
    }

    .book-main {
        gap: 8px;
    }
}