@charset "UTF-8";
/* ========================================
   BaoLog 主题样式 - Bootstrap 优化版
   仅保留 Bootstrap 无法实现的自定义样式
   ======================================== */

/* ========== CSS 变量 ========== */
:root {
    --primary-color: #1f4977;
}

/* ========== 全局样式 ========== */
html, table {
    font-size: 14px;
}

html, body {
    height: 100%;
    display: flex;
    flex-direction: column;
}

#body {
    flex: 1 0 auto;
}

/* ========== 顶部导航栏 ========== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header .jumbotron {
    padding: 2rem 1rem;
    margin-bottom: 0;
}

.header h1, .header h2 {
    font-size: 2em;
    margin-bottom: 0.5rem;
}

.header h1 a, .header h2 a {
    text-decoration: none;
    color: #333;
}

.header .jumbotron .text-grey {
    color: #6c757d;
    font-size: 1rem;
}

/* ========== 搜索框 ========== */
.navbar-collapse-search {
    flex-grow: 0;
    flex-shrink: 0;
}

.navbar-collapse-search .form-control {
    height: 36px;
}

/* ========== 用户头像 ========== */
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.user-login-link {
    display: inline-block;
    width: 36px;
    height: 36px;
}

.user-login-link img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

/* 文章页作者头像 */
.avatar {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    vertical-align: middle;
}

/* ========== 文章列表 ========== */
/* 使用 Bootstrap Card 组件,减少自定义样式 */
.post-list .list-group-item {
    border: none !important;
    padding: 0.5rem;
}

/* 减小卡片外边距 */
.post-list .card {
    margin-bottom: 0.02rem !important;
}

/* 减小卡片内边距 */
.post-list .card-body {
    padding: 0.75rem !important;
}

.post-body .nav .nav-link {
    padding: 0.4em 1.5em;
}

/* 卡片悬停效果 */
.post-list .card {
    transition: all 0.3s ease;
}

.post-list .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12) !important;
}

/* 简洁的标签样式 */
.post-tag-link {
    display: inline-block;
    font-size: 0.85rem;
    color: #6c757d;
    text-decoration: none;
    margin-right: 0.75rem;
    margin-bottom: 0.25rem;
    transition: color 0.2s ease;
}

/* 标签容器为空时不占位置 */
.d-flex.flex-wrap:empty {
    display: none !important;
}

.post-tag-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* ========== 文章详情页 ========== */
.thread-body .thread-top .title {
    font-size: 2rem;
}

.thread-content {
    padding: 2rem 0;
    font-size: 1.1em;
    line-height: 1.8;
}

.thread-content h2 {
    font-size: 1.75rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 4px solid var(--primary-color);
}

.thread-content p > img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
}

.thread-content img {
    max-width: 100%;
    height: auto;
}

.thread-content-img {
    max-width: 80%;
    height: auto;
    display: block;
    margin: 20px auto;
}

/* ========== 按钮 ========== */
.comment-input .btn-sm {
    font-size: 0.9em;
}

/* ========== 分页 ========== */
.pagination .page-item .page-link {
    border: 0;
}

.pagination .page-item .page-link:hover {
    color: #0f243a !important;
    text-decoration: none;
    border-color: #dee2e6 !important;
}

.pagination .active .page-link {
    color: #fff !important;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.pagination .active .page-link:hover {
    color: #fff !important;
}

/* ========== 其他组件 ========== */
.subject .tag {
    position: relative;
    bottom: 2px;
}

.subject h2 {
    font-size: 0.95em;
    display: inline;
}

.subject .badge-warning { background-color: #ff8b3d; }
.subject .badge-success { background-color: #1aad19; }
.subject .badge-dark { background-color: #FF6666; }
.subject .badge-info { background-color: #99CCFF; }
.subject .badge-primary { background-color: #FF0033; }
.subject .badge-danger { background-color: #ec1611; }
.subject .badge-secondary { background-color: #FF9900; }

.divider {
    border-bottom: 1px solid #efefef;
    height: 1px;
    margin-bottom: 1em;
}

.footer {
    font-size: 0.94em;
}

.back_index a:hover {
    text-decoration: none;
}

.blockquote {
    font-size: 0.8rem;
    background-size: contain;
    background-image: url(../images/quote.png);
    background-repeat: no-repeat;
    background-position: top right;
}

.list-group-item.active {
    background-color: #343a40;
    border-color: #343a40;
}

#my_mobile_nav .active, 
.post-body .nav-item .active {
    color: #fff;
    background-color: #343a40;
}

#my_mobile_nav a, 
.post-body .nav-item a {
    font-size: 0.9em;
    padding: 0.4em 1.5em;
    color: #343a40;
    background-color: #eeeeee;
    text-decoration: none;
    border-radius: 10rem;
}

#my_mobile_nav a:first-child {
    margin-right: 10px;
}

.post-body .nav-item:nth-child(2) {
    margin: 0 1.5em;
}

.my-nav {
    margin: 2em 0;
}

.num-font {
    font-family: Consolas, monaco, monospace;
}

.comment-list .media .avatar-3 {
    width: 3rem;
    height: 3rem;
}

.media-body .post-message {
    font-size: 0.95em;
}

.fieldset {
    margin: 10px 0 !important;
}

/* ========== 侧边导航 ========== */
.baolog_side_nav {
    position: fixed;
    left: 50%;
    bottom: 200px;
    margin-left: 630px;
    z-index: 199;
    padding: 0 !important;
}

/* 根据容器宽度调整侧边导航位置 */
@media (min-width: 1200px) {
    .baolog_side_nav {
        margin-left: 630px;
    }
}

.baolog_side_nav li {
    position: relative;
    margin-bottom: 5px;
    list-style: none;
}

.baolog_side_nav .baolog_sn1 {
    display: block;
    width: 2em;
    font-size: 1.5em;
    height: 2em;
    line-height: 2em;
    background: #666666;
    color: #fff;
    text-align: center;
    cursor: pointer;
    border-radius: 50%;
}

.baolog_side_nav .baolog_sn_i {
    position: absolute;
    top: 0;
    right: 44px;
    display: none;
    width: 9px;
    height: 40px;
    background: url(../images/sanjiao.png) no-repeat 0 center;
    z-index: 200;
}

.baolog_side_nav .baolog_sn2 {
    position: absolute;
    top: 0;
    right: 50px;
    display: none;
    min-height: 20px;
    padding: 9px;
    border: 1px solid #eaeaea;
    line-height: 20px;
    background: #fff;
    color: #666;
    font-size: 0.9em;
    white-space: nowrap;
    text-align: center;
    border-radius: 4px;
}

.baolog_side_nav li:hover .baolog_sn2, 
.baolog_side_nav li:hover .baolog_sn_i {
    display: block;
}

/* 返回顶部按钮样式 */
.baolog_side_nav .sidebar_gotop a {
    display: block;
    text-decoration: none;
}

.baolog_side_nav .sidebar_gotop .baolog_sn1 {
    background: var(--primary-color);
    transition: all 0.3s ease;
}

.baolog_side_nav .sidebar_gotop .baolog_sn1:hover {
    background: #163556;
    transform: translateY(-3px);
}

/* ========== 相关文章 ========== */
.related-list li {
    width: 50%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 10px;
    font-size: 0.9em;
    line-height: 2.3em;
}

.related-list li span {
    color: #FF8B3D;
    margin-right: 8px;
    text-align: right;
    width: 15px;
    display: inline-block;
}

/* ========== 微信二维码 ========== */
.wx_qrcode {
    display: flex;
}

.wx_qrcode img {
    display: block;
    width: 150px;
    height: 150px;
    max-width: unset;
}

.wx_qrcode span {
    font-size: 12px;
}

.wx_qr {
    margin-right: 15px;
}

/* ========================================
   响应式设计
   ======================================== */

/* 大屏幕 - 使用 Bootstrap 容器宽度 */
@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1000px;
    }
}

/* 修正导航栏边距 */
.header .navbar.row {
    margin-left: 0;
    margin-right: 0;
}

/* 中等屏幕 (≥992px) */
@media (min-width: 992px) {
    .user-avatar-wrapper {
        margin-left: 0;
    }
    
    .navbar-collapse-search {
        width: auto;
    }
    
    .navbar-collapse-search form {
        margin: 0 0.5rem 0 0;
    }
    
    .navbar-collapse-search .input-group {
        margin: 0;
    }
}

/* 小屏幕 - 隐藏侧边导航 */
@media (max-width: 991px) {
    .baolog_side_nav {
        display: none;
    }
}

/* 移动端 (≤768px) */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    /* 移动端顶部固定 */
    .header {
        background-color: #fff;
        border-bottom: 1px solid #e5e5e5;
    }
    
    /* 头部容器优化 */
    .header .container {
        padding-left: 1.75rem;
        padding-right: 1.75rem;
        padding-top: 0.15rem;
        padding-bottom: 0.05rem;
    }
    
    /* 导航栏布局 - 使用 flexbox */
    .header .navbar {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        padding: 0.3rem 0;
        margin: 0 !important;
    }
    
    /* 菜单按钮 */
    .navbar-toggler {
        order: 1;
        padding: 0.5rem 0.75rem;
        margin-right: 0.75rem;
    }
    
    .navbar-toggler .iconfont {
        font-size: 1.4rem;
    }
    
    /* Logo 品牌 */
    .navbar-logo-brand {
        order: 2;
        flex: 1;
        text-align: left !important;
        margin: 0 !important;
        padding: 0 !important;
        width: auto !important;
        position: static !important;
    }
    
    .navbar-logo-brand h4 {
        font-size: 1.2rem;
        margin: 0;
        line-height: 1.4;
    }
    
    .navbar-logo-brand h4 a {
        font-size: 1.2rem;
        text-decoration: none;
        color: #333;
        font-weight: 600;
    }
    
    /* 搜索按钮 */
    .navbar-toggler[data-target="#navbarSearch"] {
        order: 3;
        margin-left: auto;
        margin-right: 0.75rem;
        padding: 0.5rem 0.75rem;
    }
    
    /* 用户头像 */
    .user-avatar-wrapper {
        order: 4;
        margin-left: 0;
        padding: 0;
    }
    
    .user-avatar {
        width: 28px;
        height: 28px;
        border-radius: 50%;
    }
    
    .user-login-link {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        font-size: 1.4rem;
        color: #666;
    }
    
    .user-login-link img {
        width: 28px;
        height: 28px;
        border-radius: 50%;
    }
    
    /* 主菜单折叠 */
    .navbar-collapse#navbarContent {
        order: 5;
        width: 100%;
        margin-top: 0.5rem;
    }
    
    /* 移除主菜单展开的延迟 */
    .navbar-collapse#navbarContent.collapsing {
        transition: none;
    }
    
    /* 搜索框折叠 */
    .navbar-collapse-search {
        order: 6;
        width: 100%;
        margin: 0.5rem 0 0 0 !important;
        padding: 0 !important;
    }
    
    .navbar-collapse-search:not(.show) {
        display: none;
    }
    
    .navbar-collapse-search.show {
        display: block;
        width: 100%;
    }
    
    .navbar-collapse-search form {
        width: 100%;
        margin: 0;
        display: flex;
    }
    
    .navbar-collapse-search .input-group {
        width: 100%;
        margin: 0;
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        align-items: stretch;
    }
    
    .navbar-collapse-search .form-control {
        flex: 1;
        height: 38px;
        font-size: 0.9rem;
        border-radius: 0.25rem 0 0 0.25rem;
    }
    
    .navbar-collapse-search .input-group-append {
        display: flex;
        margin-left: 0;
    }
    
    .navbar-collapse-search .btn {
        height: 38px;
        padding: 0.375rem 0.75rem;
        border-radius: 0 0.25rem 0.25rem 0;
        white-space: nowrap;
    }
    
    /* 移除搜索框展开的延迟 */
    .navbar-collapse-search.collapsing {
        transition: none;
    }
    
    /* 文章标题 */
    .post-title {
        font-size: 1rem;
    }
    
    .card-title {
        font-size: 1rem !important;
    }
    
    /* 卡片间距优化 */
    .card {
        margin-bottom: 0.75rem !important;
    }
    
    .card-body {
        padding: 1rem !important;
    }
    
    /* 标签样式 */
    .post-tag-link {
        font-size: 0.75rem;
        margin-right: 0.5rem;
    }
    
    /* 文章详情页 */
    .thread-top .title,
    .thread-body .thread-top .title {
        font-size: 1.25rem;
    }
    
    .thread-content {
        padding: 1rem 0;
        font-size: 0.9rem;
    }
    
    .thread-content p > img {
        max-width: 90% !important;
        height: 90% !important;
    }
    
    .related-list li {
        width: 100% !important;
    }
    
    /* 导航菜单样式 */
    .navbar-collapse#navbarContent .nav {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .navbar-collapse#navbarContent .nav-item {
        margin-bottom: 0.25rem;
    }
    
    .navbar-collapse#navbarContent .nav-link {
        padding: 0.5rem 0.5rem;
    }
}

/* 超小屏幕 (≤576px) */
@media (max-width: 576px) {
    /* 进一步优化小屏幕 */
    .header .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
        padding-top: 0.15rem;
    }
    
    .navbar-logo-brand h4 {
        font-size: 1.1rem;
    }
    
    .navbar-logo-brand h4 a {
        font-size: 1.1rem;
    }
    
    .navbar-toggler {
        padding: 0.4rem 0.6rem;
        margin-right: 0.5rem;
    }
    
    .navbar-toggler[data-target="#navbarSearch"] {
        margin-right: 0.5rem;
    }
    
    .user-avatar,
    .user-login-link {
        width: 26px;
        height: 26px;
        font-size: 1.3rem;
    }
    
    .user-login-link img {
        width: 26px;
        height: 26px;
    }
    
    .card-title {
        font-size: 0.95rem !important;
    }
    
    .post-tag-link {
        font-size: 0.7rem;
    }
}

/* 中等屏幕 - 侧边导航靠右 */
@media (min-width: 992px) and (max-width: 1199px) {
    .baolog_side_nav {
        left: unset !important;
        right: 20px;
        margin: 0;
    }
}