/* =============================
   iGEM Wiki 内容页面样式 - 绿色自然主题
   ============================= */

/* CSS变量定义绿色主题 */
:root {
    --content-primary: #3d7e4a;
    --content-primary-600: #2d6838;
    --content-accent: #e8f5e3;
    --content-surface: rgba(255, 255, 255, 0.9);
    --content-surface-light: rgba(255, 255, 255, 0.95);
    --content-border: rgba(61, 126, 74, 0.25);
    --content-text: #1f3d25;
    --content-muted: rgba(31, 61, 37, 0.75);
    --content-bg: #f8fdf7;
}

.pdf_preview {
    width: 100%;
    height: 30vw;
    overflow: hidden;
    margin-bottom: 2rem;
    margin-top: 2rem;
}

.pdf_preview iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* smpt 加粗字体样式 */
smpt:not(.image-caption smpt, .table-caption smpt) {
    color: var(--content-primary);
    font-weight: 700;
    letter-spacing: 0.02em;
    display: contents;
    line-height: 1.6;
}


/* em 斜体样式 - 简洁版，用于专业术语 */
em {
    font-style: italic;
}

/* 侧边栏中的斜体保持紧凑 */
.wiki-sidebar em {
    font-style: italic;
    display: inline;
}

.cover_title {
    position: absolute;
    top: 40%;
    left: 5%;
    font-size: 5vw;
    font-family: 'title-font';
    color: white;
    text-decoration: underline;
}

/* a 超链接样式 - 有趣的波浪下划线效果 */
p a {
    color: var(--content-primary);
    text-decoration: none;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2px 4px;
    border-radius: 4px;
    cursor: pointer;
    background: linear-gradient(135deg, rgba(61, 126, 74, 0.08) 0%, rgba(61, 126, 74, 0.04) 100%);
}

/* 波浪下划线装饰 */
.content-card p a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--content-primary) 0%, 
        var(--content-primary-600) 50%, 
        var(--content-primary) 100%);
    background-size: 200% 100%;
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: gradientShift 3s ease infinite;
}

/* 外部链接图标 */
.content-card p a::after {
    content: "🔗";
    font-size: 0.75em;
    margin-left: 4px;
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.7;
}

/* hover 状态 - 弹跳动画 */
.content-card p a:hover {
    
    transform: translateY(-2px) scale(1.02);
}

.content-card p a:hover::before {
    transform: scaleX(1);
}

.content-card p a:hover::after {
    transform: rotate(20deg) scale(1.2);
    opacity: 1;
}

/* active 状态 - 按下效果 */
p a:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 
        0 2px 6px rgba(61, 126, 74, 0.2),
        0 1px 3px rgba(61, 126, 74, 0.1);
}

/* 渐变移动动画 */
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

p a:visited {
    color: var(--content-primary-600);
    opacity: 0.8;
}

/* 主内容区域布局 */
.wiki-content-wrapper {
    max-width: none;
    margin: 0;
    padding: 60px 18vw 60px 10vw; /* 调整右侧边距，与增加的内容宽度保持平衡 */
    position: relative;
    /* background: linear-gradient(135deg, var(--content-bg) 0%, rgba(255,255,255,1) 100%); */
    min-height: 100vh;
}

.wiki-main-content {
    padding-left: 0;
    min-height: 100vh;
}


.sidebar-title img {
    width: 100%;
    height: auto;
    max-width: 100% !important;
}

/* =============================
   侧边栏目录设计
   ============================= */
.page_content {
    display: flex;
    gap: 2vw;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
}

.wiki-sidebar {
    position: sticky;
    top: 120px;
    flex-shrink: 0;
    width: 18vw; /* 调整为更大的宽度 */
    max-height: calc(100vh - 200px);
    /* background: linear-gradient(135deg, rgba(255,255,255,0.98) 0%, var(--content-surface-light) 100%); */
    border-radius: 20px;
    padding: 12px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1;
    margin-left: -2vw;
}

.wiki-content-wrapper {
    flex: 1;
    max-width: 67vw; /* 调整为更小的宽度 */
    margin: 0;
    padding: 0 !important;
}

.sidebar-title {
    color: var(--content-text);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--content-primary);
    letter-spacing: 0.5px;
    position: relative;
    text-align: center;
    width: calc(100% + 48px);
    margin-left: -24px;
    display: none;
}

.sidebar-title img {
    width: 100%;
    height: auto;
    max-width: 200px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.sidebar-title::after {
    content: "";
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--content-primary-600), var(--content-primary));
    border-radius: 2px;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 一级导航项 */
.sidebar-item-level1 {
    margin-bottom: 12px;
}

.sidebar-item-level1 > .nav-link {
    display: block;
    padding: 6px 12px 6px 0;
    text-decoration: none;
    color: var(--content-text);
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.85rem;
    line-height: 1.6;
    transition: all 0.2s ease;
    position: relative;
    word-break: break-word;
}

.sidebar-item-level1 > .nav-link::before {
    
}

.sidebar-item-level1 > .nav-link:hover {
    background: rgba(61, 126, 74, 0.1);
    border-color: var(--content-primary);
    color: var(--content-primary);
    text-decoration: none;
}

.sidebar-item-level1 > .nav-link:hover::before {
    opacity: 1;
}

.sidebar-item-level1 > .nav-link.active {
    /* background: linear-gradient(135deg, var(--content-primary) 0%, var(--content-primary-600) 100%); */
    /* color: white; */
    /* border-color: var(--content-primary); */
    background-image: url(https://static.igem.wiki/teams/5887/common/sidebar-bar-active.webp);
    /* box-shadow: 0 4px 12px rgba(61, 126, 74, 0.2); */
    transform: translateX(2px);
    position: relative;
    background-size: cover;
    background-position-y: 17%
}

.sidebar-item-level1 > .nav-link.active::before {
    opacity: 1;
    filter: brightness(2);
}

.sidebar-item-level1 > .nav-link.active::after {
    
}

/* 二级导航项 */
.sidebar-item-level2 {
    margin-bottom: 4px;
}

.sidebar-item-level2 > .nav-link {
    display: block;
    padding: 8px 12px 8px 32px;
    text-decoration: none;
    color: var(--content-muted);
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.5;
    transition: all 0.2s ease;
    position: relative;
}

.sidebar-item-level2 > .nav-link::before {
    content: "•";
    position: absolute;
    left: 18px;
    top: 8px;
    color: var(--content-primary);
    opacity: 0.5;
}

.sidebar-item-level2 > .nav-link:hover {
    color: var(--content-primary);
    background: rgba(61, 126, 74, 0.05);
    text-decoration: none;
}

.sidebar-item-level2 > .nav-link.active {
    color: var(--content-primary);
    background: rgba(61, 126, 74, 0.15);
    font-weight: 600;
    transform: translateX(3px);
    border-left: 2px solid var(--content-primary);
    padding-left: 30px;
}

.sidebar-item-level2 > .nav-link.active::before {
    opacity: 1;
    color: var(--content-primary);
    font-weight: bold;
}

.sidebar-item-level2 > .nav-link:hover::before {
    opacity: 0.8;
}

/* 滚动条样式 */
.wiki-sidebar::-webkit-scrollbar {
    width: 6px;
}

.wiki-sidebar::-webkit-scrollbar-track {
    background: rgba(61, 126, 74, 0.1);
    border-radius: 3px;
}

.wiki-sidebar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--content-primary) 0%, var(--content-primary-600) 100%);
    border-radius: 3px;
}

.wiki-sidebar::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--content-primary-600) 0%, var(--content-primary) 100%);
}

/* =============================
   胶囊形状标题栏设计
   ============================= */
.section-header {
    background: linear-gradient(135deg, var(--content-primary) 0%, var(--content-primary-600) 100%);
    border-radius: 30px;
    padding: 20px 40px;
    margin: 40px 0 30px 0;
    position: relative;
    box-shadow:
        0 8px 32px rgba(61, 126, 74, 0.25),
        0 4px 16px rgba(61, 126, 74, 0.15);
    overflow: hidden;
    display: inline-block;
    max-width: calc(100% - 40px);
}

.section-header::before {
    
}

@keyframes float {
    0%, 100% { transform: translateY(-50%) translateX(0); }
    50% { transform: translateY(-50%) translateX(-3px); }
}

.section-title {
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    font-family: 'Orbitron', serif;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* =============================
   卡片式内容区域设计
   ============================= */
.content-card {
    background: #509145;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    margin: 30px 0;
    border: 1px solid rgba(61, 126, 74, 0.08);
    line-height: 1.8;
    position: relative;
    overflow: visible;
    /* transition: transform 0.3s ease, box-shadow 0.3s ease; */
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
}

/* 卡片底色装饰层 */
.content-card::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -12px;
    right: 8px;
    bottom: 8px;
    background: #fff;
    border-radius: 20px;
    z-index: -1;
}

.content-card:hover {
    /* transform: translateY(-2px); */
   
}

/* =============================
   标题样式设计（1-6级）
   ============================= */
.content-title {
    color: var(--content-text);
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    scroll-margin-top: 120px;
}

.content-title:first-child {
    margin-top: 0;
}

/* H1 - 主标题 */
.content-title.h1 {
    font-size: 2.4rem;
    color: var(--content-primary-600);
    margin-top: 3rem;
    margin-bottom: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
}

.content-title.h1::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--content-primary), var(--content-primary-600));
    border-radius: 2px;
}

/* H2 - 主要章节 */
.content-title.h2 {
    font-size: 2rem;
    color: var(--content-text);
    margin-top: 3rem;
    border-left: 5px solid var(--content-primary);
    padding-left: 20px;
}

/* H3 - 子章节 */
.content-title.h3 {
    font-size: 1.6rem;
    color: var(--content-text);
    margin-top: 2.5rem;
}

/* H4 - 小节 */
.content-title.h4 {
    font-size: 1.4rem;
    color: var(--content-text);
    margin-top: 2rem;
}

/* H5 - 子小节 */
.content-title.h5 {
    font-size: 1.2rem;
    color: var(--content-text);
    margin-top: 1.8rem;
}

/* H6 - 细分项 */
.content-title.h6 {
    font-size: 1.1rem;
    color: var(--content-muted);
    font-weight: 600;
    margin-top: 1.5rem;
}

/* =============================
   内容元素样式
   ============================= */

/* 段落和文本 */
.content-card p {
    font-size: 1.15rem;
    color: var(--content-text);
    text-align: justify;
    line-height: 1.8;
    margin-bottom: 0;
}

.content-card ul, .content-card ol {
}

.content-card li {
    font-size: 1.15rem;
    color: var(--content-text);
    line-height: 1.8;
}

.content-card li strong {
    color: var(--content-primary);
    font-weight: 600;
}

/* 图片和媒体 */
.content-image {
    width: 100%;
    max-width: 100%;
    border-radius: 16px;
    /* box-shadow:
        0 12px 32px rgba(179, 66, 159, 0.12),
        0 4px 16px rgba(179, 66, 159, 0.08); */
    /* border: 1px solid rgba(179, 66, 159, 0.1); */
    margin: 0 auto;
    cursor: pointer;
}

/* 图片放大遮罩层 */
.image-lightbox-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    z-index: 99999;
    animation: fadeIn 0.3s ease;
    overflow: auto;
}

.image-lightbox-overlay.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    animation: zoomIn 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
}

.image-lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    height: auto;
    width: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    cursor: default;
}

.image-lightbox-close {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    color: white;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 100000;
}

.image-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* 滚动条样式优化 */
.image-lightbox-overlay::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.image-lightbox-overlay::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.image-lightbox-overlay::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 5px;
}

.image-lightbox-overlay::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.image-caption,.table-caption {
    text-align: center !important;
    font-size: 0.95rem !important;
    color: var(--content-muted) !important;
    margin-top: 1rem !important;
}

/* 引用块 */
.content-quote {
    background: linear-gradient(135deg, var(--content-accent) 0%, rgba(232, 245, 227, 0.8) 100%);
    border-left: 6px solid var(--content-primary);
    padding: 24px 30px;
    margin: 3rem 0;
    border-radius: 0 16px 16px 0;
    font-style: italic;
    color: var(--content-text);
    font-size: 1.1rem;
    line-height: 1.7;
    position: relative;
    box-shadow: 0 6px 20px rgba(61, 126, 74, 0.1);
}

.content-quote::before {
    content: "\201C";
    position: absolute;
    top: 10px;
    left: 15px;
    font-size: 3rem;
    color: var(--content-primary);
    font-weight: bold;
    line-height: 1;
}

/* 代码块 */
.content-code {
    background: linear-gradient(135deg, #f8f9fa 0%, #f1f3f4 100%);
    border: 1px solid #e9ecef;
    border-left: 4px solid var(--content-primary);
    border-radius: 12px;
    padding: 24px;
    margin: 2.5rem 0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.95rem;
    overflow-x: auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

/* =============================
   表格样式设计
   ============================= */
.content-card table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 2.5rem 0;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 
        0 8px 24px rgba(61, 126, 74, 0.12),
        0 4px 12px rgba(61, 126, 74, 0.08);
    border: 1px solid rgba(61, 126, 74, 0.15);
}

/* 表格标题行 */
.content-card table thead {
    background: #4a7c59 !important;
    border-bottom: 4px solid #2d4a35 !important;
}

.content-card table thead th {
    padding: 18px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 1rem;
    color: white;
    letter-spacing: 0.3px;
    border: none;
    position: relative;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

/* 为没有thead的表格设置第一行为表头样式 */
.content-card table tbody tr:first-child {
    background: #4a7c59 !important;
    border-bottom: 4px solid #2d4a35 !important;
}

.content-card table tbody tr:first-child th {
    padding: 18px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 1rem;
    color: white !important;
    letter-spacing: 0.3px;
    border: none;
    position: relative;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.content-card table tbody tr:first-child th smpt {
    color: #fff;
}

.content-card table tbody tr:first-child th:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 25%;
    height: 50%;
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.content-card table thead th:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 25%;
    height: 50%;
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
}

/* 表格主体 */
.content-card table tbody tr {
    transition: all 0.3s ease;
}

.content-card table tbody tr:nth-child(even) {
    background: rgba(61, 126, 74, 0.03);
}

.content-card table tbody tr:hover {
    background: rgba(61, 126, 74, 0.08);
    transform: scale(1.01);
}

.content-card table tbody td {
    padding: 16px 20px;
    color: var(--content-text);
    font-size: 1rem;
    line-height: 1.6;
    border-bottom: 1px solid rgba(61, 126, 74, 0.1);
    vertical-align: top;
}

.content-card table tbody tr:last-child td {
    border-bottom: none;
}

/* 表格内的强调文本 */
.content-card table td strong,
.content-card table th strong {
    color: var(--content-primary);
    font-weight: 600;
}

/* 表格内的链接 */
.content-card table a {
    color: var(--content-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.content-card table a:hover {
    border-bottom-color: var(--content-primary);
}

/* 表格容器 - 支持横向滚动 */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin: 2.5rem 0;
    border-radius: 16px;
    box-shadow: 
        0 8px 24px rgba(61, 126, 74, 0.12),
        0 4px 12px rgba(61, 126, 74, 0.08);
}

.table-wrapper::-webkit-scrollbar {
    height: 8px;
}

.table-wrapper::-webkit-scrollbar-track {
    background: rgba(61, 126, 74, 0.05);
    border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb {
    background: rgba(61, 126, 74, 0.3);
    border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(61, 126, 74, 0.5);
}

/* 表格标题 */
.table-title {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--content-primary);
    margin-bottom: 1rem;
    font-family: 'Orbitron', serif;
}

/* 表格说明 */
.table-caption {
    text-align: left !important;
}

/* 响应式表格 */
@media (max-width: 768px) {
    .content-card table {
        font-size: 0.9rem;
        margin: 2rem 0;
    }
    
    .content-card table thead th {
        padding: 14px 12px;
        font-size: 0.9rem;
    }
    
    .content-card table tbody td {
        padding: 12px;
        font-size: 0.9rem;
    }
    
    /* 移动端可选：堆叠显示 */
    .content-card table.stack-on-mobile {
        border: none;
        box-shadow: none;
    }
    
    .content-card table.stack-on-mobile thead {
        display: none;
    }
    
    .content-card table.stack-on-mobile tbody tr {
        display: block;
        margin-bottom: 20px;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(61, 126, 74, 0.15);
    }
    
    .content-card table.stack-on-mobile tbody td {
        display: block;
        text-align: right;
        padding: 12px;
        border-bottom: 1px solid rgba(61, 126, 74, 0.1);
        position: relative;
        padding-left: 50%;
    }
    
    .content-card table.stack-on-mobile tbody td::before {
        content: attr(data-label);
        position: absolute;
        left: 12px;
        width: 45%;
        text-align: left;
        font-weight: 600;
        color: var(--content-primary);
    }
    
    .content-card table.stack-on-mobile tbody td:last-child {
        border-bottom: none;
    }
}

/* =============================
   响应式设计
   注意：按照从大到小的顺序排列，更具体的规则（如平板横屏）放在最后
   ============================= */

@media (max-width: 1400px) {
    .wiki-content-wrapper {
        padding: 60px 15vw 60px 10vw;
    }

    .page_content {
        gap: 2vw;
    }

    .wiki-sidebar {
        width: 22vw;
    }

    .wiki-content-wrapper {
        max-width: 60vw;
    }
}

@media (max-width: 1200px) {
    .wiki-content-wrapper {
        padding: 50px 10vw 50px 8vw;
    }

    .page_content {
        gap: 2.5vw;
    }

    .wiki-sidebar {
        width: 26vw; /* 调整为更大的宽度 */
    }

    .wiki-content-wrapper {
        max-width: 56vw; /* 调整为更小的宽度 */
    }

    .section-header {
        padding: 18px 35px;
        margin: 35px 0 25px 0;
    }

    .section-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    .wiki-content-wrapper {
        padding: 30px 5vw 30px 5vw;
    }

    .page_content {
        flex-direction: column;
        gap: 30px;
    }

    .wiki-sidebar {
        position: relative;
        top: auto;
        width: 100%;
        max-height: none;
        margin-right: 0;
    }

    .wiki-content-wrapper {
        max-width: 100%;
    }

    .section-header {
        padding: 16px 30px;
        margin: 30px 0 20px 0;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .content-card {
        padding: 30px 25px;
        margin: 25px 0;
    }

    .content-title.h1 {
        font-size: 2rem;
    }

    .content-title.h2 {
        font-size: 1.7rem;
    }

    .content-title.h3 {
        font-size: 1.4rem;
    }

    .content-title.h4 {
        font-size: 1.2rem;
    }

    .content-card p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .wiki-content-wrapper {
        padding: 20px 3vw 20px 3vw;
    }

    .section-header {
        padding: 14px 25px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .content-card {
        padding: 25px 20px;
    }

    .content-title.h1 {
        font-size: 1.8rem;
    }

    .content-title.h2 {
        font-size: 1.5rem;
    }

    .content-quote {
        padding: 20px 24px;
        margin: 2rem 0;
    }
}

.page_content {
    background-image: url(https://static.igem.wiki/teams/5887/common/desc-bg-new.webp);
}

/* 确保文本可以被选择且可见 */
* {
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

/* 自定义文本选择样式 */
::selection {
    background-color: var(--content-primary) !important;
    color: white !important;
    opacity: 1;
}

::-moz-selection {
    background-color: var(--content-primary) !important;
    color: white !important;
    opacity: 1;
}

::-webkit-selection {
    background-color: var(--content-primary) !important;
    color: white !important;
    opacity: 1;
}

/* 确保内容区域的文本选择正常工作 */
.content-card ::selection,
.content-card ::-moz-selection,
.content-card ::-webkit-selection {
    background-color: rgba(61, 126, 74, 0.3) !important;
    color: var(--content-text) !important;
}

/* 确保标题的文本选择正常工作 */
.content-title ::selection,
.content-title ::-moz-selection,
.content-title ::-webkit-selection {
    background-color: rgba(61, 126, 74, 0.2) !important;
    color: inherit !important;
}

/* 简洁的设计完成 */

/* =============================
   Chapter Overview 下拉菜单样式
   ============================= */
.chapter-overview-toggle {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding: 12px 180px 12px 20px;
    margin: 1.5rem -20px 0 -20px;
    background: linear-gradient(135deg, rgba(61, 126, 74, 0.08) 0%, rgba(61, 126, 74, 0.04) 100%);
    border-radius: 12px;
    border-left: 4px solid var(--content-primary);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(61, 126, 74, 0.1);
    display: flex;
    align-items: center;
}

.chapter-overview-toggle::after {
    content: "Click to Expand";
    position: absolute;
    right: 60px;
    font-size: 0.9em;
    color: var(--content-primary);
    font-weight: 600;
    padding: 4px 16px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    border: 1px solid rgba(61, 126, 74, 0.3);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.chapter-overview-toggle:hover {
    color: var(--content-primary);
    background: linear-gradient(135deg, rgba(61, 126, 74, 0.15) 0%, rgba(61, 126, 74, 0.08) 100%);
    transform: translateX(3px);
    box-shadow: 0 4px 12px rgba(61, 126, 74, 0.2);
}

.chapter-overview-toggle:hover::after {
    background: var(--content-primary);
    color: white;
    border-color: var(--content-primary);
    transform: scale(1.05);
}

.chapter-overview-toggle .toggle-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2em;
    font-weight: bold;
    transition: transform 0.3s ease, color 0.3s ease;
    color: var(--content-primary);
    background: rgba(255, 255, 255, 0.8);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.chapter-overview-toggle:hover .toggle-icon {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 3px 6px rgba(61, 126, 74, 0.3);
}

.chapter-overview-toggle.active {
    background: linear-gradient(135deg, rgba(61, 126, 74, 0.15) 0%, rgba(61, 126, 74, 0.08) 100%);
    border-left-color: var(--content-primary-600);
}

.chapter-overview-toggle.active::after {
    content: "Click to Collapse";
    background: var(--content-primary-600);
    color: white;
    border-color: var(--content-primary-600);
}

.chapter-overview-toggle.active .toggle-icon {
    transform: translateY(-50%) rotate(180deg);
    background: var(--content-primary);
    color: white;
}

.chapter-overview-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.3s ease, margin-top 0.3s ease, padding 0.3s ease;
    opacity: 0;
    background: rgba(61, 126, 74, 0.02);
    border-radius: 0 0 12px 12px;
    margin: 0 -20px;
    padding: 0 20px;
}

.chapter-overview-content.active {
    max-height: 5000px;
    opacity: 1;
    margin-top: 0;
    padding: 20px 20px 20px 24px;
    border-left: 4px solid rgba(61, 126, 74, 0.3);
}

.chapter-overview-content p,
.chapter-overview-content ul {
    margin-bottom: 1rem;
}

.chapter-overview-content ul {
    padding-left: 1.5rem;
}

.chapter-overview-content p:last-child,
.chapter-overview-content ul:last-child {
    margin-bottom: 0;
}



/* PDF 卡片样式 */
.pdf_card {
    width: 100%;
    max-width: 500px;
    margin: 20px 0;
    padding: 24px;
    border-radius: 16px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.pdf_card:hover {
    border-color: var(--content-primary);
    /* transform: translateY(-2px); */
    /* box-shadow: 0 8px 24px rgba(179, 66, 159, 0.15); */
}

.pdf_card_content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
    width: 60%;
}

.pdf_card_info {
    flex: 1;
    width: 100%;
}

.pdf_card_name {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
    line-height: 1.3;
    transition: color 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pdf_card:hover .pdf_card_name {
    color: var(--content-primary);
}

.pdf_card_size {
    font-size: 13px;
    color: #6c757d;
    font-weight: 500;
}

/* 下载链接样式 */
.pdf_download_link {
    background: linear-gradient(135deg, var(--content-primary) 0%, var(--content-primary-600) 100%);
    color: white !important;
    text-decoration: none;
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    outline: none;
    white-space: nowrap;
}

.pdf_download_link:hover {
    background: linear-gradient(135deg, var(--content-primary-600) 0%, var(--content-primary-600) 100%);
    /* transform: translateY(-1px); */
    /* box-shadow: 0 4px 12px rgba(61, 126, 74, 0.3); */
}

.pdf_download_link:active {
    /* transform: translateY(0); */
}

/* 段落中的下载链接特殊样式 */
p .pdf_download_link {
    padding: 4px 8px;
    font-size: 13px;
    margin: 0 2px;
}

p .pdf_download_link:hover {
    transform: none;
    box-shadow: none;
}

/* 上标和下标样式 */
.top-symbol {
    vertical-align: super;
    font-size: 0.8em;
    line-height: 0;
}

.bottom-symbol {
    vertical-align: sub;
    font-size: 0.8em;
    line-height: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .pdf_card {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 20px;
    }

    .pdf_card_content {
        width: 100%;
        gap: 12px;
    }

    .pdf_card_name {
        font-size: 15px;
    }

    .pdf_card_size {
        font-size: 12px;
    }

    .pdf_download_link {
        align-self: stretch;
        text-align: center;
        margin-top: 8px;
    }
}

/* =============================
   平板横屏适配 (iPad Pro, iPad Air 等 4:3 或 10:9 比例)
   注意：此规则放在最后，以覆盖之前的通用响应式规则
   ============================= */
@media (min-width: 1024px) and (max-width: 1366px) and (orientation: landscape) {
    .page_content {
        gap: 1.5vw !important;
    }

    .wiki-sidebar {
        width: 20vw !important;
        padding: 16px !important;
        margin-left: -1vw !important;
    }

    .wiki-content-wrapper {
        max-width: 72vw !important;
        padding: 0 !important;
    }

    .sidebar-title {
        font-size: 0.9rem !important;
        margin-bottom: 16px !important;
    }

    .sidebar-item-level1 > .nav-link {
        padding: 10px 10px 10px 28px !important;
        font-size: 0.8rem !important;
        line-height: 1.5 !important;
    }

    .sidebar-item-level1 > .nav-link::before {
        left: 10px !important;
        top: 12px !important;
        width: 12px !important;
        height: 12px !important;
    }

    .sidebar-item-level2 > .nav-link {
        padding: 7px 10px 7px 28px !important;
        font-size: 0.75rem !important;
        line-height: 1.4 !important;
    }

    .sidebar-item-level2 > .nav-link::before {
        left: 16px !important;
        top: 7px !important;
    }

    .sidebar-item-level2 > .nav-link.active {
        padding-left: 26px !important;
    }

    .content-card {
        padding: 35px !important;
    }
}