/* ==========================================================================
   tanjunchen.io 极简精致 UI 定制覆盖 (Site Custom UI Overrides)
   ========================================================================== */

/* --- 1. 全局宽屏布局优化：减少左右多余空白 --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: #ffffff;
    color: #2c3e50;
    -webkit-font-smoothing: antialiased;
}

/* 顶部导航栏拉宽：在大屏下扩大左右 padding，扩展品牌名与菜单距离 */
.navbar-custom .container-fluid {
    padding-left: 45px !important;
    padding-right: 45px !important;
}

@media (max-width: 768px) {
    .navbar-custom .container-fluid {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
}

/* 在 1200px+ 大屏上扩容主容器宽度，彻底压紧左右无效留白 */
@media (min-width: 1200px) {
    .container {
        width: 1280px;
        max-width: 96%;
    }
}

/* --- 2. 顶栏 Header 高度压缩与文章详情页 Header 润色 --- */
.intro-header {
    margin-bottom: 25px;
}

.intro-header .site-heading,
.intro-header .page-heading {
    padding: 60px 0 40px !important;
}

.intro-header .post-heading {
    padding: 50px 0 40px !important;
}

.intro-header .post-heading h1 {
    font-size: 30px !important;
    font-weight: 700;
    line-height: 1.35;
    margin-top: 0;
    margin-bottom: 14px;
    letter-spacing: -0.3px;
}

.intro-header .post-heading .subheading {
    font-size: 17px !important;
    font-weight: 400;
    line-height: 1.6;
    margin-top: 0;
    margin-bottom: 20px;
    opacity: 0.92;
    display: block;
}

.intro-header .post-heading .meta {
    font-family: inherit !important;
    font-style: normal !important;
    font-size: 14px !important;
    font-weight: 400;
    opacity: 0.88;
    line-height: 1.6;
}

.intro-header .post-heading .meta a {
    font-weight: 600;
    text-decoration: underline;
}

@media only screen and (min-width: 768px) {
    .intro-header .site-heading h1,
    .intro-header .page-heading h1 {
        font-size: 42px !important;
        font-weight: 700;
        letter-spacing: -0.5px;
    }
    
    .intro-header .post-heading h1 {
        font-size: 34px !important;
    }

    .intro-header .post-heading .subheading {
        font-size: 18px !important;
    }
}

/* --- 3. 文章列表间距调紧：解决“文章之间的空白处减少点” --- */
.post-preview {
    background: #ffffff;
    border-bottom: 1px solid #f0f3f6;
    padding: 16px 0 20px 0;
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.post-preview:hover {
    background: transparent;
}

.post-preview > a {
    text-decoration: none !important;
}

.post-preview > a > .post-title {
    font-size: 24px !important; /* 文章标题字号调大 */
    font-weight: 700;
    color: #111827;
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 1.35;
    transition: color 0.2s ease;
}

@media only screen and (min-width: 768px) {
    .post-preview > a > .post-title {
        font-size: 26px !important;
    }
}

.post-preview > a:hover > .post-title {
    color: #0085a1 !important;
}

.post-preview > a > .post-subtitle {
    font-size: 16px;
    color: #4b5563;
    margin-bottom: 10px;
}

.post-content-preview {
    font-size: 15px;
    line-height: 1.65;
    color: #4b5563;
    font-style: normal !important;
    margin-bottom: 12px;
}

.post-preview > .post-meta {
    font-family: inherit;
    font-style: normal;
    font-size: 15px !important; /* 作者与元信息整体调大 */
    color: #6b7280;
    margin-top: 10px;
    margin-bottom: 0;
}

.post-preview > .post-meta a,
.post-heading .meta a {
    color: #0085a1 !important;
    font-size: 16px !important; /* 作者名专属字号加大 */
    font-weight: 600;
    text-decoration: none;
    transition: color 0.15s ease, text-decoration 0.15s ease;
}

.post-preview > .post-meta a:hover,
.post-heading .meta a:hover {
    color: #00657b !important;
    text-decoration: underline !important;
}

/* 隐藏所有分割直线 hr */
.post-preview + hr,
article + hr,
hr {
    display: none !important;
}

/* 极大缩减分页按钮 (ul.pager) 下方的空白 */
ul.pager {
    margin: 10px 0 0 0 !important;
}

/* --- 4. 右侧 Catalog 目录调优：解除 195px 宽度硬编码，消除右侧大空白 --- */
.catalog-container {
    padding-left: 15px !important;
    padding-right: 0 !important;
}

.side-catalog {
    width: 100% !important; /* 解除 195px 限制，填满 3 栏容器 */
    max-width: 100% !important;
    padding-left: 5px;
}

.side-catalog .catalog-body {
    padding-right: 0 !important;
    width: 100% !important;
}

.side-catalog .catalog-body li a,
.side-catalog .catalog-body .h1_nav a,
.side-catalog .catalog-body .h2_nav a,
.side-catalog .catalog-body .h3_nav a,
.side-catalog .catalog-body .h4_nav a {
    max-width: 100% !important; /* 解除 180px / 170px 文本截断限制 */
    width: calc(100% - 10px) !important;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #718096;
    transition: color 0.15s ease, font-weight 0.15s ease;
}

.side-catalog .catalog-body li a:hover,
.side-catalog .catalog-body .active a {
    color: #0085a1 !important;
    font-weight: 600;
}

.side-catalog h5 {
    font-size: 12px;
    font-weight: 700;
    color: #a0aec0;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

/* --- 5. 右侧 SideBar 调优：“Software Developer 不用空白框框包含” --- */
.sidebar-container section {
    background: transparent;
    border: none;
    padding: 0;
    margin-bottom: 24px;
    box-shadow: none;
}

.sidebar-container .short-about {
    text-align: center;
    padding-bottom: 10px;
}

.sidebar-container .short-about img {
    border-radius: 12px !important;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    border: 1px solid #eef2f5;
    transition: transform 0.25s ease;
    max-width: 130px;
    margin: 0 auto 10px;
    display: block;
}

.sidebar-container .short-about img:hover {
    transform: scale(1.03);
}

.sidebar-container .short-about p {
    font-size: 13px;
    color: #7f8c8d;
    text-align: center;
    margin-top: 6px;
    margin-bottom: 12px;
}

.sidebar-container .short-about .list-inline {
    text-align: center;
    margin-bottom: 0;
}

.sidebar-container .short-about .list-inline > li {
    padding: 0 3px;
}

.sidebar-container h5 {
    font-size: 13px;
    font-weight: 700;
    color: #2c3e50;
    letter-spacing: 0.8px;
    margin-top: 0;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid #eef2f5;
}

.sidebar-container .tags a,
.tags a {
    display: inline-block;
    border: 1px solid #e2e8f0 !important;
    background: #f8fafc;
    color: #475569 !important;
    border-radius: 5px;
    padding: 3px 9px;
    margin: 2px 3px 4px 0;
    font-size: 12px !important;
    text-decoration: none !important;
    transition: all 0.15s ease;
}

.sidebar-container .tags a:hover,
.tags a:hover {
    background: #0085a1;
    border-color: #0085a1 !important;
    color: #ffffff !important;
}

/* --- 6. 页脚与不蒜子访问统计：居中、放大与醒目美化 --- */
article {
    margin-bottom: 0 !important;
}

.post-container {
    padding-bottom: 0 !important;
}

footer {
    padding: 16px 0 20px !important;
    background: transparent;
    margin-top: 5px !important;
    border-top: none !important;
}

footer .copyright {
    font-size: 15px !important; /* 字体调大 */
    font-weight: 500;
    color: #64748b;
    margin-bottom: 6px;
}

footer .copyright a {
    color: #1e293b;
    font-weight: 600;
    text-decoration: none;
}

footer .copyright a:hover {
    color: #0085a1;
}

/* 不蒜子计数器居中并醒目展示 */
.site-busuanzi-counter {
    display: block;
    text-align: center;
    margin-top: 6px;
    font-size: 14px; /* 字体调大 */
    color: #64748b;
    font-weight: 500;
}

.site-busuanzi-counter .busuanzi-number {
    font-size: 15px; /* 数字特意调大加粗 */
    font-weight: 700;
    color: #0085a1; /* 主题经典蓝色醒目突显 */
    padding: 0 2px;
}

.site-busuanzi-counter .busuanzi-divider {
    color: #cbd5e1;
    margin: 0 4px;
}