/* ========== 全局变量 & 基础重置 ========== */
:root {
    --bg-paper: #F9F7F4;
    --color-ink: #2C3E50;
    --color-accent: #5C4B37;
    --color-accent-light: #8B7355;
    --color-meta: #7A7A7A;
    --color-border: rgba(92, 75, 55, 0.15);
    --card-shadow: 0 4px 12px rgba(92, 75, 55, 0.06);
    --card-shadow-hover: 0 12px 24px rgba(92, 75, 55, 0.1);
    --font-serif: 'Noto Serif SC', 'Times New Roman', serif;
    --font-sans: 'Noto Sans SC', 'Helvetica Neue', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-serif);
    background-color: var(--bg-paper);
    color: var(--color-ink);
    line-height: 1.8;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-accent-light);
}

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

/* ========== 头部导航 ========== */
.site-header {
    background: rgba(249, 247, 244, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.8rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap; /* 防止换行，确保汉堡按钮靠右 */
    gap: 1rem;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    white-space: nowrap;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.main-nav a {
    font-size: 1rem;
    padding: 0.5rem 0;
    display: inline-block;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}
.dropdown-menu {
    display: none;
    position: absolute;
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 150px;
    z-index: 1000;
    top: 100%;
    left: 0;
}
.dropdown:hover .dropdown-menu {
    display: block;
}
.dropdown-menu li {
    list-style: none;
}
.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-ink);
    white-space: nowrap;
}
.dropdown-menu a:hover {
    background: var(--bg-paper);
    color: var(--color-accent);
}

/* 搜索框 */
.search-form {
    display: flex;
    align-items: center;
    flex: 1;
    max-width: 300px;
}
.search-form input {
    width: 100%;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 30px 0 0 30px;
    outline: none;
    font-family: inherit;
}
.search-form button {
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
}

/* 用户菜单 */
.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
}
.write-btn {
    background: var(--color-accent);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 30px;
    margin-right: 0.5rem;
    transition: background 0.2s;
}
.write-btn:hover {
    background: var(--color-accent-light);
    color: white;
}
.notification-badge {
    position: relative;
    color: var(--color-meta);
}
.notification-badge .badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #B5654B;
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 50%;
    min-width: 18px;
    text-align: center;
}
.welcome a {
    font-weight: 600;
}
.logout {
    color: var(--color-meta);
}

/* ========== 主内容区 ========== */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* ========== 文章卡片（通用） ========== */
.post-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}
.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}
.post-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}
.avatar-small {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}
.author {
    font-weight: 600;
    color: var(--color-accent);
}
.date {
    font-size: 0.9rem;
    color: var(--color-meta);
}
.post-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}
.post-card h3 a {
    color: var(--color-ink);
}
.post-card h3 a:hover {
    color: var(--color-accent);
}
.excerpt {
    color: var(--color-meta);
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}
.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}
.tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.tag {
    font-size: 0.8rem;
    color: var(--color-accent-light);
    background: rgba(92, 75, 55, 0.05);
    padding: 0.2rem 0.5rem;
    border-radius: 30px;
}
.actions {
    display: flex;
    gap: 1rem;
}
.actions span {
    cursor: pointer;
    color: var(--color-meta);
}
.actions span.liked,
.actions span.faved {
    color: #B5654B;
}

/* 紧凑卡片（用于置顶滚动） */
.post-card-compact {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s;
}
.post-card-compact:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}
.post-card-compact .post-header {
    margin-bottom: 0.5rem;
}
.post-card-compact h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}
.post-card-compact .excerpt {
    font-size: 0.9rem;
    color: var(--color-meta);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-card-compact .post-meta {
    font-size: 0.8rem;
}

/* ========== 文章详情页 ========== */
.post-full {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
}
.breadcrumb {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: var(--color-meta);
}
.breadcrumb a {
    color: var(--color-accent);
}
.post-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}
.post-meta-full {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 1.5rem;
    color: var(--color-meta);
}
.post-meta-full .author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.essence-badge {
    background: #B5654B;
    color: white;
    padding: 0.2rem 0.8rem;
    border-radius: 30px;
    font-size: 0.8rem;
}
.post-content {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 2rem;
}
.post-tags {
    margin-bottom: 1.5rem;
}
.share-buttons {
    margin: 2rem 0;
    display: flex;
    gap: 1rem;
    align-items: center;
}
.share-buttons a {
    padding: 0.3rem 0.8rem;
    border-radius: 30px;
    border: 1px solid var(--color-border);
    font-size: 0.9rem;
}
.share-buttons a:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}
.post-actions {
    display: flex;
    gap: 1rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}
.post-actions button,
.post-actions a {
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    border: 1px solid var(--color-border);
    background: white;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-ink);
    transition: all 0.2s;
}
.post-actions button:hover,
.post-actions a:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}
.post-actions .liked,
.post-actions .faved {
    background: #B5654B;
    color: white;
    border-color: #B5654B;
}
.post-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    border-top: 1px dashed var(--color-border);
    padding-top: 1.5rem;
}
.post-navigation a {
    max-width: 45%;
    color: var(--color-accent);
}
.post-navigation a:hover {
    text-decoration: underline;
}

/* ========== 评论区域 ========== */
.comments-section {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}
.comment-form {
    margin: 1.5rem 0;
}
.comment-form textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    resize: vertical;
    min-height: 80px;
}
.comment-form button {
    margin-top: 0.5rem;
    padding: 0.5rem 1.5rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
}
.comment-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}
.comment-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
}
.comment-content {
    margin-left: 3.8rem;
    margin-bottom: 0.5rem;
}
.comment-actions {
    margin-left: 3.8rem;
    font-size: 0.9rem;
}
.btn-reply {
    background: none;
    border: none;
    color: var(--color-accent-light);
    cursor: pointer;
}
.reply-form {
    margin-left: 3.8rem;
    margin-top: 0.5rem;
}
.replies {
    margin-left: 3.8rem;
}
.login-tip {
    text-align: center;
    padding: 1rem;
    background: var(--bg-paper);
    border-radius: 8px;
}

/* ========== 表单页面（登录/注册/发布/编辑） ========== */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}
.hint {
    font-size: 0.85rem;
    color: var(--color-meta);
    margin-top: 0.3rem;
}
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}
.btn-submit {
    padding: 0.8rem 2rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
}
.btn-draft {
    padding: 0.8rem 2rem;
    background: transparent;
    border: 1px solid var(--color-accent);
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
    color: var(--color-accent);
    transition: all 0.2s;
}
.btn-draft:hover {
    background: var(--color-accent);
    color: white;
}
.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 0.8rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}
.success-message {
    background: #e8f5e8;
    color: #2e7d32;
    padding: 0.8rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

/* 验证码样式 */
.captcha-group img {
    height: 40px;
    width: auto;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}
.captcha-group input {
    height: 40px;
}

/* ========== 个人中心 ========== */
.profile-container {
    max-width: 800px;
    margin: 0 auto;
}
.profile-header {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    text-align: center;
    margin-bottom: 2rem;
}
.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
}
.profile-header .username {
    color: var(--color-meta);
    margin: 0.3rem 0;
}
.profile-header .bio {
    max-width: 500px;
    margin: 1rem auto;
    color: var(--color-ink);
}
.btn-edit {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 30px;
    color: var(--color-accent);
    transition: background 0.2s;
}
.btn-edit:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}
.profile-tabs {
    background: white;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}
.tab-nav {
    display: flex;
    list-style: none;
    border-bottom: 1px solid var(--color-border);
}
.tab-nav li {
    flex: 1;
    text-align: center;
    padding: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}
.tab-nav li.active {
    background: var(--color-accent);
    color: white;
}
.tab-content {
    padding: 1.5rem;
}
.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
}
.mini-post-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-border);
}
.mini-post-card a {
    font-weight: 600;
}
.mini-post-card .stats {
    font-size: 0.9rem;
    color: var(--color-meta);
}
.edit-link {
    font-size: 0.8rem;
    color: var(--color-accent);
}

/* ========== 板块页、搜索页通用 ========== */
.category-header {
    margin-bottom: 2rem;
}
.category-header h1 {
    font-size: 2.5rem;
    color: var(--color-accent);
}
.category-desc {
    color: var(--color-meta);
    margin: 0.5rem 0 1rem;
}
.sort-bar {
    display: flex;
    gap: 0.5rem;
}
.sort-bar a {
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    background: transparent;
    color: var(--color-meta);
}
.sort-bar a.active {
    background: var(--color-accent);
    color: white;
}
.clear-tag {
    font-size: 0.9rem;
    margin-left: 1rem;
    color: var(--color-meta);
}
.clear-tag:hover {
    color: var(--color-accent);
}

/* 搜索页 */
.search-page h1 {
    margin-bottom: 1.5rem;
}
.search-tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
}
.search-tabs a {
    padding: 0.5rem 1rem;
    border-bottom: 3px solid transparent;
}
.search-tabs a.active {
    border-bottom-color: var(--color-accent);
    color: var(--color-accent);
}
.user-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.user-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: white;
    padding: 1rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
}
.user-card .avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}
.user-info .nickname {
    font-size: 1.2rem;
    font-weight: 600;
}
.user-info .username {
    color: var(--color-meta);
    font-size: 0.9rem;
    margin-left: 0.5rem;
}
.user-info .bio {
    margin-top: 0.3rem;
    color: var(--color-ink);
    max-width: 400px;
}
.no-results {
    text-align: center;
    color: var(--color-meta);
    padding: 2rem;
}

/* ========== 分页 ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}
.pagination a {
    display: inline-block;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-ink);
}
.pagination a.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* ========== 首页布局 ========== */
.sticky-carousel {
    margin-bottom: 2rem;
    overflow: hidden;
}
.carousel-wrapper {
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent-light) var(--bg-paper);
}
.carousel-wrapper::-webkit-scrollbar {
    height: 6px;
}
.carousel-wrapper::-webkit-scrollbar-track {
    background: var(--bg-paper);
}
.carousel-wrapper::-webkit-scrollbar-thumb {
    background-color: var(--color-accent-light);
    border-radius: 3px;
}
.carousel-track {
    display: flex;
    gap: 1rem;
    width: max-content;
}
.carousel-item {
    width: 280px;
    flex-shrink: 0;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section-title i {
    color: var(--color-accent);
}

.home-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
}
@media (max-width: 992px) {
    .home-layout {
        grid-template-columns: 1fr;
    }
}

/* 侧边栏小部件 */
.widget {
    background: white;
    border-radius: 12px;
    padding: 1.2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--card-shadow);
}
.widget-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.hot-list {
    list-style: none;
}
.hot-list li {
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--color-border);
}
.hot-list a {
    display: block;
    font-weight: 500;
    margin-bottom: 0.2rem;
}
.hot-list .views {
    font-size: 0.8rem;
    color: var(--color-meta);
}
.ad-widget {
    background: var(--bg-paper);
    border: 1px dashed var(--color-accent-light);
    text-align: center;
}
.category-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.category-item {
    background: var(--bg-paper);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    transition: all 0.2s;
}
.category-item:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}
.category-item .count {
    font-size: 0.7rem;
    background: rgba(0,0,0,0.1);
    padding: 0.1rem 0.4rem;
    border-radius: 12px;
    margin-left: 0.3rem;
}
.active-users {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.user-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: calc(50% - 0.5rem);
    text-align: center;
}
.user-item img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 0.5rem;
}
.user-item .name {
    font-weight: 600;
    font-size: 0.9rem;
}
.user-item .post-count {
    font-size: 0.7rem;
    color: var(--color-meta);
}
.more-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--color-accent);
    font-weight: 500;
}
.more-link:hover {
    text-decoration: underline;
}

/* 文章网格 */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.content-block {
    margin-bottom: 2.5rem;
}

/* ========== 广告容器 ========== */
.ad-container {
    margin: 1rem 0;
    padding: 0.5rem;
    background: #f9f9f9;
    border: 1px dashed var(--color-accent-light);
    border-radius: 8px;
    text-align: center;
    transition: opacity 0.3s;
}
.ad-container img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}
.ad-container a {
    color: var(--color-accent);
    font-weight: 500;
}
.ad-container:hover {
    opacity: 0.9;
}
.ad-top {
    border-color: #e67e22;
}
.ad-bottom {
    border-color: #3498db;
}
.ad-post-bottom {
    margin: 2rem 0;
}

/* ========== 相关文章 ========== */
.related-posts {
    margin: 2rem 0;
    padding: 1rem;
    background: var(--bg-paper);
    border-radius: 8px;
}
.related-posts h3 {
    margin-bottom: 0.8rem;
}
.related-posts ul {
    list-style: none;
    padding: 0;
}
.related-posts li {
    margin: 0.5rem 0;
}
.related-posts a {
    color: var(--color-accent);
}

/* ========== 页脚 ========== */
.site-footer {
    background: var(--bg-paper);
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 2rem;
    text-align: center;
    color: var(--color-meta);
}

/* ========== 移动端适配 ========== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
    }
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    .user-menu {
        justify-content: center;
        flex-wrap: wrap;
    }
    .post-meta-full {
        gap: 0.8rem;
        font-size: 0.9rem;
    }
    .post-actions {
        flex-wrap: wrap;
    }
    .share-buttons {
        flex-wrap: wrap;
    }
    .form-actions {
        flex-direction: column;
    }
    .form-actions button,
    .form-actions a {
        width: 100%;
    }
    .profile-header {
        padding: 1rem;
    }
    .tab-nav li {
        padding: 0.8rem 0.5rem;
        font-size: 0.9rem;
    }
    .user-card {
        flex-direction: column;
        text-align: center;
    }
    .post-grid {
        grid-template-columns: 1fr;
    }
    .carousel-item {
        width: 240px;
    }
}

/* ========== 首页新增样式 ========== */

/* 焦点文章区 */
.featured-section {
    margin-bottom: 2rem;
}
.featured-card {
    background-size: cover;
    background-position: center;
    border-radius: 16px;
    padding: 3rem 2rem;
    color: white;
    position: relative;
    min-height: 300px;
    display: flex;
    align-items: center;
}
.featured-content {
    max-width: 600px;
}
.featured-title {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.featured-title a {
    color: white;
    text-decoration: none;
}
.featured-title a:hover {
    text-decoration: underline;
}
.featured-excerpt {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}
.featured-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    align-items: center;
}
.featured-meta .author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
}
.featured-meta .author img {
    border: 2px solid white;
}
.btn-read {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: rgba(255,255,255,0.2);
    border: 1px solid white;
    border-radius: 30px;
    color: white;
    font-weight: 500;
    transition: background 0.2s;
}
.btn-read:hover {
    background: white;
    color: var(--color-accent);
    border-color: white;
}

/* 热门文章紧凑列表 */
.hot-list-compact {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: var(--card-shadow);
}
.hot-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-border);
}
.hot-item:last-child {
    border-bottom: none;
}
.hot-rank {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-accent-light);
    width: 2.5rem;
    text-align: center;
}
.hot-title {
    flex: 1;
    font-weight: 500;
}
.hot-stats {
    font-size: 0.9rem;
    color: var(--color-meta);
}

header .main-nav .dropdown-menu {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}
header .main-nav .dropdown:hover .dropdown-menu {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* ========== 移动端汉堡菜单样式 ========== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 110;
}

.hamburger .bar {
    width: 30px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 10px;
    transition: all 0.3s linear;
}

/* 汉堡按钮动画（点击后变成 X） */
.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}
.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* 移动端菜单 */
.mobile-menu {
    display: block; /* 改为 block，配合 opacity 控制显示 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    pointer-events: none; /* 隐藏时不可点击 */
    transition: opacity 0.3s, visibility 0.3s;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 300px;
    height: 100%;
    background: white;
    padding: 2rem 1.5rem;
    overflow-y: auto;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
}

/* 手机端导航列表 */
.mobile-nav ul {
    list-style: none;
    margin-bottom: 2rem;
}
.mobile-nav li {
    margin: 1rem 0;
}
.mobile-nav a {
    font-size: 1.1rem;
    display: block;
    padding: 0.5rem 0;
    color: var(--color-ink);
    border-bottom: 1px solid var(--color-border);
}
.mobile-dropdown-menu {
    margin-left: 1rem;
    display: none;
}
.mobile-dropdown.active .mobile-dropdown-menu {
    display: block;
}

/* 手机端搜索框 */
.mobile-search {
    margin: 1.5rem 0;
    display: flex;
}
.mobile-search input {
    flex: 1;
    padding: 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: 30px 0 0 30px;
}
.mobile-search button {
    padding: 0.6rem 1rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 0 30px 30px 0;
}

/* 手机端用户菜单 */
.mobile-user-menu {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 1rem;
}
.mobile-user-menu .write-btn {
    display: inline-block;
    text-align: center;
}
.mobile-user-menu .notification-badge {
    align-self: flex-start;
}
.mobile-user-menu .welcome {
    font-size: 0.95rem;
}

/* 响应式：手机屏幕 */
@media (max-width: 768px) {
    /* 隐藏桌面端元素 */
    .desktop-nav,
    .desktop-search,
    .desktop-user-menu {
        display: none !important;
    }

    /* 显示汉堡按钮 */
    .hamburger {
        display: flex;
    }

    /* 调整 header 布局，让汉堡按钮靠右 */
    .header-content {
        justify-content: space-between;
    }

    /* 首页布局：右侧内容在上，左侧栏在下 */
    .home-container {
        flex-direction: column;
    }
    .sidebar-left {
        order: 2;  /* 左侧栏放到下面 */
        width: 100%;
        border-radius: 0;
        min-height: auto;
        margin-bottom: 1rem;
    }
    .main-content {
        order: 1;  /* 主要内容区放到上面 */
        margin: 0 0 1rem 0;
        border-radius: 20px;
        border-right: 1px solid rgba(92,75,55,0.15);
    }
}

/* 平板及以下调整 */
@media (max-width: 992px) and (min-width: 769px) {
    /* 对于平板，可以保留原样，或者也隐藏部分，这里暂时保持原样 */
}