/* 链接样式 */
.md-content a {
    color: #546e7a;  /* 蓝灰色 */
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.md-content a:hover {
    border-bottom-color: #546e7a;  /* hover 时下划线显示 */
    color: #546e7a;  /* 保持相同颜色，不改变 */
}

/* 导航链接样式 */
.md-nav__link {
    color: #616161 !important;  /* 深灰色 */
    transition: color 0.2s;     /* 添加颜色过渡效果 */
}

.md-nav__link:hover {
    color: #455a64 !important;  /* 稍深的蓝灰色 */
}

/* 当前选中的导航项样式 */
.md-nav__link--active {
    color: #2c3e50 !important;  /* 更深的颜色 */
    font-weight: 600;           /* 加粗 */
    padding-left: 0.6rem;       /* 左侧缩进 */
    border-left: 2px solid #455a64;  /* 左侧边框 */
    background-color: rgba(0, 0, 0, 0.03);  /* 轻微的背景色 */
}

/* 当前选中项的父级导航 */
.md-nav__item--active > .md-nav__link {
    color: #2c3e50 !important;
    font-weight: 500;
}

/* 优化导航项的间距 */
.md-nav__item {
    padding: 2px 0;
}

/* 去除链接的下划线 */
.md-content a:focus,
.md-content a:active {
    outline: none;
    color: #455a64;
}

/* 代码块样式优化 */
.highlight {
    background-color: #f5f5f5;
    border-radius: 4px;
}

/* 标题样式优化 */
.md-content h1, .md-content h2 {
    color: #37474f;  /* 深蓝灰色 */
    font-weight: 400;
}

/* 暗色模式下的标题样式 */
[data-md-color-scheme="slate"] .md-content h1,
[data-md-color-scheme="slate"] .md-content h2 {
    color: #e0e0e0;  /* 更亮的灰白色 */
    font-weight: 400;
}

/* 暗色模式下的链接样式 */
[data-md-color-scheme="slate"] .md-content a {
    color: #90caf9;  /* 浅蓝色 */
}

[data-md-color-scheme="slate"] .md-content a:hover {
    border-bottom-color: #90caf9;
    color: #90caf9;
}

/* 暗色模式下的导航链接样式 */
[data-md-color-scheme="slate"] .md-nav__link {
    color: #b0bec5 !important;  /* 浅蓝灰色 */
}

[data-md-color-scheme="slate"] .md-nav__link:hover {
    color: #e0e0e0 !important;  /* 更亮的灰白色 */
}

/* 暗色模式下当前选中的导航项样式 */
[data-md-color-scheme="slate"] .md-nav__link--active {
    color: #fff !important;
    border-left: 2px solid #90caf9;
    background-color: rgba(255, 255, 255, 0.05);
}

/* 暗色模式下当前选中项的父级导航 */
[data-md-color-scheme="slate"] .md-nav__item--active > .md-nav__link {
    color: #fff !important;
}

/* 暗色模式下代码块样式 */
[data-md-color-scheme="slate"] .highlight {
    background-color: rgba(255, 255, 255, 0.05);
}

/* 作者信息和公众号卡片样式 */
.wechat-card {
    margin-top: 4rem;
    padding: 2.5rem;
    border-top: 1px solid #eee;
    border-radius: 8px;
    background: #fafafa;
}

/* 作者信息区域 */
.author-info {
    margin-bottom: 2.5rem;
}

.author-info h2, .wechat-card h2 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-align: center;
}

.timeline {
    max-width: 600px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.2rem;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 6px;
    transition: transform 0.2s ease;
}

.timeline-item:hover {
    transform: translateX(5px);
}

.timeline-item .emoji {
    margin-right: 1.2rem;
    font-size: 1.4rem;
}

.timeline-item strong {
    min-width: 100px;
    margin-right: 1.2rem;
    color: #455a64;
    font-weight: 500;
}

.timeline-item p {
    margin: 0;
    color: #666;
    line-height: 1.6;
}

/* 分隔线 */
.divider {
    height: 1px;
    background: #e0e0e0;
    margin: 2.5rem auto;
    width: 80%;
    max-width: 500px;
}

/* 公众号区域 */
.wechat-subscribe {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.wechat-subscribe p {
    color: #666;
    margin: 1rem 0 1.5rem;
    font-size: 0.95rem;
}

.wechat-subscribe img {
    max-width: 180px;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.wechat-subscribe img:hover {
    transform: scale(1.02);
}

/* 暗色模式适配 */
[data-md-color-scheme="slate"] .wechat-card {
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="slate"] .author-info h2,
[data-md-color-scheme="slate"] .wechat-card h2 {
    color: #e0e0e0;
}

[data-md-color-scheme="slate"] .timeline-item {
    background: rgba(255, 255, 255, 0.03);
}

[data-md-color-scheme="slate"] .timeline-item strong {
    color: #90caf9;
}

[data-md-color-scheme="slate"] .timeline-item p {
    color: #b0bec5;
}

[data-md-color-scheme="slate"] .divider {
    background: rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="slate"] .wechat-subscribe p {
    color: #b0bec5;
}

/* 下载按钮样式 */
.download-button {
    text-align: center;
    margin: 2rem 0;
}

.download-button .md-button {
    margin: 0 0.5rem;
    transition: all 0.2s ease;
}

.download-button .md-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 打印样式优化 */
@media print {
    .md-header,
    .md-tabs,
    .md-sidebar,
    .download-button,
    .wechat-card {
        display: none !important;
    }
    
    .md-content {
        margin: 0 !important;
        padding: 0 !important;
    }
}

/* 搜索框样式调整 */
.md-search__form {
    max-width: 18rem;  /* 限制搜索框最大宽度 */
    margin-right: 1rem;  /* 与下载按钮保持间距 */
}

/* 右上角下载按钮样式 */
.download-corner {
    position: fixed;  /* 改为 fixed 定位 */
    top: 0.4rem;
    right: 4.8rem;
    z-index: 31;
    transition: transform .4s cubic-bezier(.1,.7,.1,1), opacity .25s;  /* 添加过渡效果 */
}

/* 响应头部隐藏 */
[data-md-toggle="header"]:checked ~ .md-header .download-corner {
    transform: translateY(-2.4rem);
    opacity: 0;
}

/* 响应头部显示 */
[data-md-toggle="header"]:not(:checked) ~ .md-header .download-corner {
    transform: translateY(0);
    opacity: 1;
}

.download-corner .md-button {
    margin: 0;
    padding: 0.3rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 400;
    color: #fff;
    background-color: var(--md-primary-fg-color);
    border: none;
    border-radius: 3px;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    line-height: 1.6;
    height: 1.8rem;
    display: flex;
    align-items: center;
}

.download-corner .md-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    background-color: var(--md-accent-fg-color);
    color: #fff;
}

/* 暗色模式适配 */
[data-md-color-scheme="slate"] .download-corner .md-button {
    background-color: var(--md-primary-fg-color);
    color: #fff;
}

[data-md-color-scheme="slate"] .download-corner .md-button:hover {
    background-color: var(--md-accent-fg-color);
}

/* 移动端适配 */
@media screen and (max-width: 76.1875em) {
    .md-search__form {
        max-width: 14rem;  /* 移动端下减小搜索框宽度 */
    }
    .download-corner {
        right: 5.6rem;
    }
}

/* 小屏幕适配 */
@media screen and (max-width: 60em) {
    .md-search__form {
        max-width: 12rem;  /* 更小屏幕下进一步减小搜索框宽度 */
    }
    .download-corner {
        right: 6.4rem;
    }
}

.giscus-wrapper {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--md-default-fg-color--lightest);
}

.giscus-wrapper h2 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.giscus-wrapper p {
    margin-bottom: 1.5rem;
    color: var(--md-default-fg-color--light);
}

/* 适配深色模式 */
[data-md-color-scheme="slate"] .giscus-wrapper {
    border-top-color: var(--md-default-fg-color--lighter);
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.button-group .md-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.button-group .twemoji {
    width: 1.2rem;
    height: 1.2rem;
}

.wechat-subscribe img {
    max-width: 200px;
    margin: 1rem auto;
    display: block;
}

/* Native Banner 容器样式 */
.native-ad-container {
    margin: 2rem 0;
    padding: 1rem;
    border-top: 1px solid #eee;
    max-width: 100%;
    text-align: center;
}

/* 暗色模式适配 */
[data-md-color-scheme="slate"] .native-ad-container {
    border-top-color: var(--md-default-fg-color--lighter);
}

/* 移动端适配 */
@media screen and (max-width: 76.1875em) {
    .native-ad-container {
        margin: 1rem 0;
    }
}

/* In-Page Push 容器样式 */
.ipp-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

/* Ad Container 样式 */
.ad-container {
    margin: 2rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--md-default-fg-color--lightest);
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
    text-align: center;
}

/* 暗色模式适配 */
[data-md-color-scheme="slate"] .ad-container {
    border-color: var(--md-default-fg-color--lighter);
}

/* 移动端适配 */
@media screen and (max-width: 76.1875em) {
    .ad-container {
        margin: 1.5rem 0;
        padding: 0.8rem 0;
    }
}

/* 页脚法律链接样式 */
.footer-legal-links {
    text-align: center;
    margin: 3rem 0 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--md-default-fg-color--lightest);
    font-size: 0.8rem;
    color: var(--md-default-fg-color--light);
}

.footer-legal-links a {
    color: var(--md-default-fg-color--light);
    text-decoration: none;
    transition: color 0.2s;
    padding: 0 0.5rem;
}

.footer-legal-links a:hover {
    color: var(--md-accent-fg-color);
    text-decoration: underline;
}

.footer-legal-links .separator {
    color: var(--md-default-fg-color--lighter);
}

/* 暗色模式下的页脚链接样式 */
[data-md-color-scheme="slate"] .footer-legal-links {
    border-top-color: var(--md-default-fg-color--lighter);
}

[data-md-color-scheme="slate"] .footer-legal-links a {
    color: var(--md-default-fg-color--light);
}

[data-md-color-scheme="slate"] .footer-legal-links a:hover {
    color: var(--md-accent-fg-color);
}

/* Picture to Drawing Banner 样式 */
.picture-drawing-banner {
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.picture-drawing-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.banner-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.banner-icon {
    font-size: 2.5rem;
    min-width: 3rem;
    text-align: center;
}

.banner-text {
    flex: 1;
    color: white;
}

.banner-text h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
}

.banner-text p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.4;
}

.banner-button {
    background: rgba(255, 255, 255, 0.2);
    color: white !important;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none !important;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.banner-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* 移动端适配 */
@media screen and (max-width: 76.1875em) {
    .banner-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .banner-icon {
        font-size: 2rem;
    }
    
    .banner-text h3 {
        font-size: 1.1rem;
    }
    
    .banner-text p {
        font-size: 0.85rem;
    }
    
    .banner-button {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* 暗色模式适配 */
[data-md-color-scheme="slate"] .picture-drawing-banner {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

/* 相关项目样式 */
.related-projects {
    text-align: center;
    margin: 2rem 0 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--md-default-fg-color--lightest);
}

.related-projects h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--md-default-fg-color);
}

.related-links {
    margin-bottom: 1.5rem;
}

.related-links a {
    color: var(--md-accent-fg-color);
    text-decoration: none;
    transition: color 0.2s;
    padding: 0 0.5rem;
}

.related-links a:hover {
    text-decoration: underline;
}

.related-links .separator {
    color: var(--md-default-fg-color--lighter);
}

/* 暗色模式下的相关项目样式 */
[data-md-color-scheme="slate"] .related-projects {
    border-top-color: var(--md-default-fg-color--lighter);
}

[data-md-color-scheme="slate"] .related-projects h3 {
    color: var(--md-default-fg-color--light);
}