/* ==========================================================
   inkandwash-haara 主题主样式表
   新增页面分栏、网格、横向滚动卡片布局CSS
   全局基础色、表单、按钮、水墨边框样式完全沿用
   ========================================================== */

/* 基础变量已在 style.css :root 中定义 */

/* ==========================================================
   1. 基础重置与全局样式
   ========================================================== */

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-serif);
    color: var(--color-ink);
    background-color: var(--color-paper);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-ink);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-ink);
    margin: 0 0 var(--spacing-md);
}

p {
    margin: 0 0 var(--spacing-md);
}

ul, ol {
    margin: 0 0 var(--spacing-md);
    padding-left: var(--spacing-lg);
}

/* ==========================================================
   2. 布局系统
   ========================================================== */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.site-content {
    min-height: 60vh;
    padding-bottom: var(--spacing-xl);
}

.layout-sidebar-content {
    display: flex;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-xl);
}

.content-main {
    flex: 1;
    min-width: 0;
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    min-height: 400px;
}

.content-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.content-sidebar .widget {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

@media (max-width: 991px) {
    .layout-sidebar-content {
        flex-direction: column;
    }
    .content-sidebar {
        width: 100%;
    }
}

/* ==========================================================
   3. 顶部通栏
   ========================================================== */

.top-bar {
    background-color: var(--color-ink);
    color: var(--color-paper);
    font-size: 0.85rem;
    padding: var(--spacing-sm) 0;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar-left {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.top-date, .top-weather {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.9;
}

.top-bar-right {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.top-search-form {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.top-search-field {
    background: transparent;
    border: none;
    color: var(--color-paper);
    padding: 4px 8px;
    font-size: 0.85rem;
    width: 160px;
    outline: none;
}

.top-search-field::placeholder {
    color: rgba(248,245,235,0.6);
}

.top-search-submit {
    background: transparent;
    border: none;
    color: var(--color-paper);
    padding: 4px 8px;
    cursor: pointer;
}

.accessibility-link {
    color: var(--color-paper);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.9;
    font-size: 0.85rem;
}

.accessibility-link:hover {
    color: var(--color-paper);
    opacity: 1;
}

@media (max-width: 767px) {
    .top-bar {
        display: none;
    }
}

/* ==========================================================
   4. 头部Banner区
   ========================================================== */

.site-header {
    background-color: var(--color-paper);
    border-bottom: 1px solid var(--color-border);
}

.header-banner {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.header-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.header-branding {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.header-seal {
    flex-shrink: 0;
}

.seal-circle {
    width: 60px;
    height: 60px;
    border: 2px solid var(--color-cinnabar);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-cinnabar);
    font-weight: 900;
    font-size: 0.7rem;
    letter-spacing: 1px;
}

.site-title {
    font-size: 1.5rem;
    margin: 0;
}

.site-title a {
    color: var(--color-ink);
}

.site-description {
    font-size: 0.85rem;
    color: var(--color-cinnabar);
    margin: 4px 0 0;
    font-weight: 600;
}

.header-ink-bg {
    flex: 1;
    text-align: center;
    padding: 0 var(--spacing-lg);
}

.ink-calligraphy {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.calligraphy-text {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-border);
    font-weight: 600;
    letter-spacing: 4px;
}

.header-illustration {
    flex-shrink: 0;
}

.illustration-frame {
    width: 120px;
    height: 80px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74,53,32,0.03) 0%, rgba(158,43,37,0.03) 100%);
}

.illustration-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--color-border);
    font-size: 0.75rem;
}

@media (max-width: 991px) {
    .header-ink-bg, .header-illustration {
        display: none;
    }
}

@media (max-width: 767px) {
    .header-banner-inner {
        justify-content: center;
    }
    .site-title {
        font-size: 1.2rem;
    }
    .seal-circle {
        width: 48px;
        height: 48px;
        font-size: 0.6rem;
    }
}

/* ==========================================================
   5. 主导航菜单
   ========================================================== */

.header-navigation {
    background-color: var(--color-paper);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--color-cinnabar);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-navigation {
    flex: 1;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-ink);
    font-weight: 600;
    font-size: 0.95rem;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
}

.nav-menu > li:hover > a,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-parent > a {
    color: var(--color-cinnabar);
    border-bottom-color: var(--color-cinnabar);
}

/* 二级菜单 */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-top: 2px solid var(--color-cinnabar);
    min-width: 200px;
    list-style: none;
    margin: 0;
    padding: var(--spacing-sm) 0;
    display: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.nav-menu > li:hover .sub-menu {
    display: block;
}

.nav-menu .sub-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-ink);
    font-size: 0.9rem;
}

.nav-menu .sub-menu a:hover {
    background: rgba(158,43,37,0.05);
    color: var(--color-cinnabar);
}

/* 头部操作按钮 */
.header-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.search-toggle, .member-link {
    background: none;
    border: none;
    color: var(--color-ink);
    cursor: pointer;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-toggle:hover, .member-link:hover {
    color: var(--color-cinnabar);
}

/* 搜索展开区 */
.search-form-container {
    display: none;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}

.search-form-container.active {
    display: block;
}

.search-form-container .container {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.search-form-container form {
    flex: 1;
}

.search-form-container input[type="search"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-ink);
    outline: none;
}

.search-form-container input[type="search"]:focus {
    border-color: var(--color-cinnabar);
}

.search-close {
    background: none;
    border: none;
    color: var(--color-ink);
    cursor: pointer;
    padding: var(--spacing-sm);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-ink);
    position: relative;
    transition: background 0.2s ease;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-ink);
    transition: transform 0.2s ease;
}

.menu-icon::before {
    top: -7px;
}

.menu-icon::after {
    top: 7px;
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}

@media (max-width: 991px) {
    .menu-toggle {
        display: block;
    }
    .main-navigation .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        background: var(--color-paper);
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-lg);
        border-right: 2px solid var(--color-cinnabar);
        z-index: 100;
        overflow-y: auto;
    }
    .main-navigation .nav-menu.active {
        display: flex;
    }
    .nav-menu > li > a {
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-menu .sub-menu {
        position: static;
        display: block;
        border: none;
        box-shadow: none;
        padding-left: var(--spacing-md);
    }
}

/* ==========================================================
   6. 页面通用头部
   ========================================================== */

.page-header {
    background: linear-gradient(135deg, rgba(74,53,32,0.05) 0%, rgba(158,43,37,0.05) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.page-title {
    font-size: 2rem;
    margin: 0 0 var(--spacing-sm);
    color: var(--color-ink);
}

.page-subtitle {
    font-size: 0.95rem;
    color: var(--color-cinnabar);
    margin: 0;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

@media (max-width: 767px) {
    .page-title {
        font-size: 1.5rem;
    }
}

/* ==========================================================
   7. 首页布局 — 四栏分区内容
   ========================================================== */

.home-row {
    padding: var(--spacing-xl) 0;
    /*border-bottom: 1px solid var(--color-border);*/
}

.home-row:last-of-type {
    border-bottom: none;
}

.row-inner {
    display: flex;
    gap: var(--spacing-xl);
}

.col-left {
    flex: 1;
    min-width: 0;
}

.col-right {
    flex: 1;
    min-width: 0;
}

@media (max-width: 991px) {
    .row-inner {
        flex-direction: column;
    }
}

/* 区块小标题 */
.section-header-mini {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-cinnabar);
}

.section-header-mini h2 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--color-ink);
}

.more-link {
    font-size: 0.85rem;
    color: var(--color-cinnabar);
    font-weight: 600;
}

.more-link:hover {
    color: var(--color-ink);
}

/* 第一行：轮播图 + 新闻列表 */
.col-carousel {
    flex: 0 0 58%;
}

.col-news-list {
    flex: 0 0 38%;
}

.home-carousel {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.carousel-wrapper {
    position: relative;
    min-height: 370px;
}

.carousel-slide {
    display: none;
}

.carousel-slide.active {
    display: block;
}

.slide-image-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    background: var(--color-border);
}

.slide-image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: var(--color-white);
}

.slide-caption h3 {
    color: var(--color-white);
    font-size: 1.3rem;
    margin: 0 0 var(--spacing-sm);
}

.slide-caption p {
    margin: 0 0 var(--spacing-sm);
    font-size: 0.9rem;
    opacity: 0.9;
}

.btn-slide {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-cinnabar);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-slide:hover {
    background: var(--color-ink);
    color: var(--color-white);
}

.carousel-dots {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--color-white);
    background: transparent;
    cursor: pointer;
    padding: 0;
}

.dot.active {
    background: var(--color-white);
}

.slide-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 370px;
    background: var(--color-border);
    color: var(--color-ink);
    font-size: 0.9rem;
}

/* 新闻列表 */
.home-news-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.home-news-list li {
    border-bottom: 1px solid var(--color-border);
}

.home-news-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    color: var(--color-ink);
    gap: var(--spacing-md);
}

.home-news-list li a:hover {
    color: var(--color-cinnabar);
}

.news-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.9rem;
}

.news-date {
    font-size: 0.8rem;
    color: #888;
    flex-shrink: 0;
}

/* 第二行：通知公告 + 学术研究快速入口 */
.col-notice {
    flex: 0 0 55%;
}

.col-academic-cards {
    flex: 0 0 41%;
}

.home-notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.home-notice-list li {
    border-bottom: 1px solid var(--color-border);
}

.home-notice-list li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-ink);
}

.home-notice-list li a:hover {
    color: var(--color-cinnabar);
}

.notice-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-cinnabar);
    color: var(--color-white);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.notice-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.9rem;
}

.notice-date {
    font-size: 0.8rem;
    color: #888;
    flex-shrink: 0;
}

/* 学术研究快速卡片 */
.academic-quick-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.quick-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    text-align: center;
    transition: all 0.2s ease;
}

.quick-card:hover {
    border-color: var(--color-cinnabar);
    color: var(--color-cinnabar);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.quick-icon {
    color: var(--color-cinnabar);
}

.quick-label {
    font-size: 0.9rem;
    font-weight: 600;
}

/* 第三行：研究会简介 + 线下活动 */
.col-about {
    flex: 0 0 55%;
}

.col-events {
    flex: 0 0 41%;
}

.about-intro {
    display: flex;
    gap: var(--spacing-lg);
}

.about-image-frame {
    flex: 0 0 200px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.about-image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 150px;
    color: var(--color-border);
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

/* 首页活动列表 */
.home-events-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.home-event-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.home-event-item:hover {
    border-color: var(--color-cinnabar);
}

.event-thumb {
    flex: 0 0 100px;
    height: 75px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.event-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.event-thumb-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-border);
}

.event-info {
    flex: 1;
    min-width: 0;
}

.event-title {
    font-size: 0.95rem;
    margin: 0 0 var(--spacing-xs);
}

.event-title a {
    color: var(--color-ink);
}

.event-title a:hover {
    color: var(--color-cinnabar);
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    color: #888;
    margin-bottom: var(--spacing-sm);
}

.event-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-event-join {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-cinnabar);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.btn-event-join:hover {
    background: var(--color-ink);
    color: var(--color-white);
}

/* 第四行：会员风采横向滚动 */
.members-scroll-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.members-scroll {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: var(--spacing-sm) 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
}

.members-scroll::-webkit-scrollbar {
    display: none;
}

.member-card {
    flex: 0 0 160px;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.member-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-name {
    font-size: 0.95rem;
    margin: 0 0 4px;
}

.member-role {
    font-size: 0.8rem;
    color: var(--color-cinnabar);
}

.scroll-btn {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    color: var(--color-ink);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.scroll-btn:hover {
    border-color: var(--color-cinnabar);
    color: var(--color-cinnabar);
}

/* 底部号召区 */
.home-cta {
    background: linear-gradient(135deg, rgba(158,43,37,0.08) 0%, rgba(74,53,32,0.08) 100%);
    padding: var(--spacing-2xl) 0;
    text-align: center;
    border-top: 2px solid var(--color-cinnabar);
}

.cta-content h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1rem;
    color: #666;
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================
   首页 Tab 切换组件
   ========================================================== */

.home-news-tabs {
    margin-top: var(--spacing-sm);
}

.home-tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

/* section-header-tabs：tab作为标题栏 */
.section-header-tabs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0;
}

.section-header-tabs .home-tab-nav {
    border-bottom: none;
    margin-bottom: 0;
    flex: 1;
    overflow: visible;
}

.section-header-tabs .home-tab {
    margin-bottom: -2px;
}

.section-header-tabs .more-link {
    flex-shrink: 0;
    padding: 8px 0;
    margin-bottom: -2px;
}

.home-tab {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--color-ink);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
}

.home-tab:hover {
    color: var(--color-cinnabar);
}

.home-tab.active {
    color: var(--color-cinnabar);
    border-bottom-color: var(--color-cinnabar);
    font-weight: 600;
}

.home-tab-panel {
    display: none;
}

.home-tab-panel.active {
    display: block;
}

/* 关于我们卡片网格 */
.about-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.about-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    text-align: center;
    transition: all 0.2s ease;
}

.about-card:hover {
    border-color: var(--color-cinnabar);
    color: var(--color-cinnabar);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.about-card-icon {
    color: var(--color-cinnabar);
}

.about-card-label {
    font-size: 0.9rem;
    font-weight: 600;
}

/* 研究成果网格 */
.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.research-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-ink);
    transition: all 0.2s ease;
}

.research-card:hover {
    border-color: var(--color-cinnabar);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.research-thumb {
    width: 100%;
    height: 120px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.research-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.research-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-border);
    color: #aaa;
}

.research-title {
    font-size: 0.9rem;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.4;
}

.research-date {
    font-size: 0.8rem;
    color: #888;
}

/* ==========================================================
   8. 侧边栏样式
   ========================================================== */

.widget {
    margin-bottom: var(--spacing-xl);
}

.widget-title {
    font-size: 1.1rem;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-cinnabar);
    margin-bottom: var(--spacing-md);
}

.sidebar-section-title {
    font-size: 1.2rem;
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-ink);
    color: var(--color-paper);
    margin: 0;
    border-bottom: none;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid var(--color-border);
    border-top: none;
}

.sidebar-menu li {
    border-bottom: 1px solid var(--color-border);
}

.sidebar-menu li:last-child {
    border-bottom: none;
}

.sidebar-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-ink);
    font-size: 0.9rem;
}

.sidebar-menu a:hover,
.sidebar-menu li.current-menu-item a {
    background: rgba(158,43,37,0.05);
    color: var(--color-cinnabar);
}

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

.sidebar-posts-list li {
    border-bottom: 1px solid var(--color-border);
}

.sidebar-posts-list li a {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-ink);
    font-size: 0.85rem;
}

.sidebar-posts-list li a:hover {
    color: var(--color-cinnabar);
}

.sidebar-post-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-post-date {
    color: #888;
    flex-shrink: 0;
    font-size: 0.8rem;
}

.quick-event-card {
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.quick-event-card h4 {
    font-size: 1rem;
    margin: 0 0 var(--spacing-sm);
}

.quick-event-card h4 a {
    color: var(--color-ink);
}

.quick-event-date {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: var(--spacing-sm);
}

/* ==========================================================
   9. 通用按钮样式
   ========================================================== */

.btn-primary,
.btn-outline {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    border: 1px solid var(--color-cinnabar);
}

.btn-primary {
    background: var(--color-cinnabar);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-ink);
    border-color: var(--color-ink);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-cinnabar);
}

.btn-outline:hover {
    background: var(--color-cinnabar);
    color: var(--color-white);
}

.btn-small {
    padding: 4px 12px;
    font-size: 0.8rem;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-read, .btn-download, .btn-preview, .btn-verify {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--color-border);
    color: var(--color-ink);
    background: var(--color-white);
}

.btn-read:hover, .btn-download:hover, .btn-preview:hover, .btn-verify:hover {
    border-color: var(--color-cinnabar);
    color: var(--color-cinnabar);
}

.btn-download {
    color: var(--color-cinnabar);
    border-color: var(--color-cinnabar);
}

/* ==========================================================
   10. 文章详情页样式
   ========================================================== */

.single-header {
    background: linear-gradient(135deg, rgba(74,53,32,0.05) 0%, rgba(158,43,37,0.05) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.post-meta-top {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
}

.post-category {
    color: var(--color-cinnabar);
    font-weight: 600;
}

.post-date {
    color: #888;
}

.post-title {
    font-size: 1.8rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-sm);
}

.post-author {
    font-size: 0.85rem;
    color: #888;
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.post-featured-image {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.post-content {
    font-size: 1rem;
    line-height: 1.9;
}

.post-content h2, .post-content h3, .post-content h4 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.post-content img {
    border-radius: var(--radius-sm);
    margin: var(--spacing-md) 0;
}

.post-tags {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: 0.85rem;
}

.tags-label {
    font-weight: 600;
}

.post-tags a {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-border);
    border-radius: var(--radius-sm);
    margin-right: var(--spacing-xs);
    font-size: 0.8rem;
}

.post-tags a:hover {
    background: var(--color-cinnabar);
    color: var(--color-white);
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    gap: var(--spacing-lg);
}

.nav-previous, .nav-next {
    flex: 1;
    min-width: 0;
}

.nav-next {
    text-align: right;
}

.nav-label {
    display: block;
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 4px;
}

.nav-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-ink);
}

.related-posts {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.related-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.related-item h4 {
    font-size: 0.95rem;
    margin: var(--spacing-sm) 0 0;
}

.related-thumb {
    display: block;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

@media (max-width: 767px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
    .post-navigation {
        flex-direction: column;
    }
    .nav-next {
        text-align: left;
    }
}

/* ==========================================================
   11. 通知公告样式
   ========================================================== */

.archive-search-bar {
    margin: var(--spacing-xl) 0;
}

.archive-search-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 600px;
}

.archive-search-field {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-serif);
    font-size: 1rem;
    outline: none;
}

.archive-search-field:focus {
    border-color: var(--color-cinnabar);
}

.archive-search-submit {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-cinnabar);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-serif);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.archive-search-submit:hover {
    background: var(--color-ink);
}

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

.notice-item {
    border-bottom: 1px solid var(--color-border);
}

.notice-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    color: var(--color-ink);
}

.notice-link:hover {
    color: var(--color-cinnabar);
}

.notice-link .notice-title {
    flex: 1;
    font-size: 1rem;
}

.notice-link .notice-date {
    color: #888;
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* ==========================================================
   12. 新闻资讯样式
   ========================================================== */

.news-filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.tab-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    font-size: 0.9rem;
    background: var(--color-white);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-link:hover,
.tab-link.active {
    background: var(--color-cinnabar);
    border-color: var(--color-cinnabar);
    color: var(--color-white);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.news-item {
    display: flex;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.news-thumb {
    flex: 0 0 240px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-body {
    flex: 1;
}

.news-meta-top {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.8rem;
}

.news-category {
    color: var(--color-cinnabar);
    font-weight: 600;
}

.news-date {
    color: #888;
}

.news-title {
    font-size: 1.2rem;
    margin: 0 0 var(--spacing-sm);
}

.news-title a {
    color: var(--color-ink);
}

.news-title a:hover {
    color: var(--color-cinnabar);
}

.news-excerpt {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: var(--spacing-sm);
}

.read-more {
    font-size: 0.85rem;
    font-weight: 600;
}

@media (max-width: 767px) {
    .news-item {
        flex-direction: column;
    }
    .news-thumb {
        flex: none;
        width: 100%;
    }
}

/* ==========================================================
   13. 古建筑图集样式
   ========================================================== */

.gallery-filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.gallery-masonry {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.gallery-card {
    display: none;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.2s ease;
}

.gallery-card.all,
.gallery-card.active {
    display: block;
}

.gallery-card:hover {
    border-color: var(--color-cinnabar);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.gallery-image {
    position: relative;
    padding-bottom: 75%;
    overflow: hidden;
    background: var(--color-border);
}

.gallery-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-card:hover .gallery-image img {
    transform: scale(1.05);
}

.gallery-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-border);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.gallery-card:hover .gallery-overlay {
    opacity: 1;
}

.gallery-view {
    color: var(--color-white);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-white);
    border-radius: var(--radius-sm);
}

.gallery-info {
    padding: var(--spacing-md);
}

.gallery-title {
    font-size: 1rem;
    margin: 0 0 var(--spacing-xs);
}

.gallery-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    color: #888;
    margin-bottom: var(--spacing-xs);
}

.gallery-types {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.gallery-type-tag {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(158,43,37,0.1);
    color: var(--color-cinnabar);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

@media (max-width: 1199px) {
    .gallery-masonry {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .gallery-masonry {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .gallery-masonry {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================
   14. 学术论文样式
   ========================================================== */

.paper-filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.paper-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.paper-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.paper-card:hover {
    border-color: var(--color-cinnabar);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.paper-image {
    flex: 0 0 160px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.paper-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.paper-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    color: var(--color-border);
}

.paper-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.paper-category {
    margin-bottom: var(--spacing-xs);
}

.paper-type-tag {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(158,43,37,0.1);
    color: var(--color-cinnabar);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.paper-title {
    font-size: 1.05rem;
    margin: 0 0 var(--spacing-xs);
}

.paper-title a {
    color: var(--color-ink);
}

.paper-title a:hover {
    color: var(--color-cinnabar);
}

.paper-excerpt {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: var(--spacing-sm);
    flex: 1;
}

.paper-meta {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-sm);
}

.paper-actions {
    display: flex;
    gap: var(--spacing-sm);
}

@media (max-width: 767px) {
    .paper-grid {
        grid-template-columns: 1fr;
    }
    .paper-card {
        flex-direction: column;
    }
    .paper-image {
        flex: none;
        width: 100%;
    }
}

/* ==========================================================
   15. 文献资料样式
   ========================================================== */

.literature-filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.literature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.literature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.literature-item:hover {
    border-color: var(--color-cinnabar);
}

.literature-icon {
    flex: 0 0 48px;
    color: var(--color-cinnabar);
    display: flex;
    align-items: center;
    justify-content: center;
}

.literature-body {
    flex: 1;
    min-width: 0;
}

.literature-title {
    font-size: 1rem;
    margin: 0 0 var(--spacing-xs);
}

.literature-title a {
    color: var(--color-ink);
}

.literature-title a:hover {
    color: var(--color-cinnabar);
}

.literature-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    color: #888;
}

.literature-type {
    color: var(--color-cinnabar);
    font-weight: 600;
}

.literature-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

@media (max-width: 767px) {
    .literature-item {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ==========================================================
   16. 活动详情样式
   ========================================================== */

.activity-info-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.activity-info-title {
    font-size: 1.1rem;
    margin: 0 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-cinnabar);
}

.activity-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.activity-info-list li {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(158,43,37,0.03);
    border-radius: var(--radius-sm);
}

.info-label {
    font-weight: 600;
    color: var(--color-ink);
    flex-shrink: 0;
}

.info-value {
    color: #666;
}

.activity-registration {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.registration-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

.registration-form-placeholder {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    color: #888;
}

/* ==========================================================
   16.5 活动专栏页面样式
   ========================================================== */

/* 置顶活动横幅 */
.events-hero {
    padding: var(--spacing-xl) 0;
}

.events-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.events-hero-image {
    height: 100%;
    min-height: 360px;
}

.events-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.events-hero-placeholder {
    width: 100%;
    height: 100%;
    min-height: 360px;
    background: var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
}

.events-hero-content {
    padding: var(--spacing-xl);
}

.events-hero-badge {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.badge-upcoming {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-cinnabar);
    color: var(--color-white);
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.badge-past {
    display: inline-block;
    padding: 4px 12px;
    background: #888;
    color: var(--color-white);
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.badge-type {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-paper);
    color: var(--color-ink);
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.events-hero-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.events-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: #666;
    font-size: 0.9rem;
}

.hero-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.events-hero-excerpt {
    color: #555;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.events-hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* 已完成活动回顾 */
.events-completed {
    padding: var(--spacing-xl) 0;
}

.completed-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.completed-card {
    display: block;
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
    color: var(--color-ink);
}

.completed-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    border-color: var(--color-cinnabar);
}

.completed-thumb {
    height: 160px;
    overflow: hidden;
}

.completed-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.completed-card:hover .completed-thumb img {
    transform: scale(1.05);
}

.completed-thumb-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-border);
}

.completed-info {
    padding: var(--spacing-md);
}

.completed-title {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.completed-date {
    font-size: 0.8rem;
    color: #888;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.completed-excerpt {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* 活动列表 */
.events-list-section {
    padding: var(--spacing-xl) 0;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.events-list-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.events-list-item:hover {
    border-color: var(--color-cinnabar);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.events-list-thumb {
    width: 120px;
    height: 90px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.events-list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.events-list-thumb-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-border);
}

.events-list-info {
    min-width: 0;
}

.events-list-title {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.events-list-title a {
    color: var(--color-ink);
}

.events-list-title a:hover {
    color: var(--color-cinnabar);
}

.events-list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: #888;
    font-size: 0.85rem;
}

.list-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.events-list-excerpt {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.events-list-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.events-list-status {
    font-size: 0.8rem;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.status-upcoming {
    background: #e8f5e9;
    color: #2e7d32;
}

.status-past {
    background: #f5f5f5;
    color: #888;
}

.btn-event-action {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-cinnabar);
    color: var(--color-white);
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
    white-space: nowrap;
}

.btn-event-action:hover {
    background: #a82020;
}

/* ==========================================================
   17. 会员风采样式
   ========================================================== */

/* 入会指南 */
.section-title {
    font-size: 1.4rem;
    color: var(--color-ink);
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-cinnabar);
    line-height: 1.4;
}

.join-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.join-section:last-child {
    border-bottom: none;
}

.join-list {
    list-style: disc;
    padding-left: var(--spacing-lg);
}

.join-list li {
    margin-bottom: var(--spacing-sm);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.2s ease;
}

.benefit-card:hover {
    border-color: var(--color-cinnabar);
}

.benefit-icon {
    color: var(--color-cinnabar);
    margin-bottom: var(--spacing-sm);
}

.benefit-card h3 {
    font-size: 1.05rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.step-number {
    flex: 0 0 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-cinnabar);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.step-content h3 {
    font-size: 1.1rem;
    margin: 0 0 var(--spacing-xs);
}

.step-content p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.register-form-wrapper {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

/* 会员单位 */
.unit-filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.member-unit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.unit-card {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.2s ease;
}

.unit-card:hover {
    border-color: var(--color-cinnabar);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.unit-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.unit-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.unit-logo-placeholder {
    color: var(--color-border);
}

.unit-name {
    font-size: 1.05rem;
    margin: 0 0 var(--spacing-xs);
}

.unit-type-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.unit-type-badge.director {
    background: rgba(158,43,37,0.1);
    color: var(--color-cinnabar);
}

.unit-type-badge.ordinary {
    background: rgba(74,53,32,0.1);
    color: var(--color-ink);
}

.unit-desc {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: var(--spacing-sm);
}

.unit-link {
    font-size: 0.85rem;
    font-weight: 600;
}

@media (max-width: 991px) {
    .member-unit-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .member-unit-grid {
        grid-template-columns: 1fr;
    }
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* 领军人物 */
.leaders-scroll-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.leaders-scroll {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: var(--spacing-sm) 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
}

.leaders-scroll::-webkit-scrollbar {
    display: none;
}

.leader-card {
    flex: 0 0 220px;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.leader-photo {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-sm);
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.leader-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leader-name {
    font-size: 1.05rem;
    margin: 0 0 4px;
}

.leader-title {
    display: block;
    font-size: 0.85rem;
    color: var(--color-cinnabar);
    margin-bottom: 4px;
}

.leader-expertise {
    display: block;
    font-size: 0.8rem;
    color: #888;
    margin-bottom: var(--spacing-sm);
}

.leader-bio {
    font-size: 0.8rem;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

.leaders-grid-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.leader-grid-card {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.leader-grid-card h3 {
    font-size: 1.05rem;
    margin: 0 0 var(--spacing-xs);
}

.leader-position {
    font-size: 0.85rem;
    color: var(--color-cinnabar);
    margin-bottom: var(--spacing-sm);
}

.leader-summary {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
}

@media (max-width: 767px) {
    .leaders-grid-inner {
        grid-template-columns: 1fr;
    }
}

/* 专家证书 */
.certificate-access-denied {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.access-icon {
    color: var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.certificate-verify-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.cert-search-field {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-serif);
    font-size: 1rem;
    outline: none;
}

.cert-search-field:focus {
    border-color: var(--color-cinnabar);
}

.cert-search-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-cinnabar);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-serif);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.certificate-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.certificate-card {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.cert-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.cert-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.cert-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cert-info h3 {
    font-size: 1.1rem;
    margin: 0 0 4px;
}

.cert-level {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(158,43,37,0.1);
    color: var(--color-cinnabar);
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.cert-body {
    margin-bottom: var(--spacing-md);
}

.cert-body p {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.cert-actions {
    display: flex;
    gap: var(--spacing-sm);
}

@media (max-width: 767px) {
    .certificate-grid {
        grid-template-columns: 1fr;
    }
    .certificate-verify-form {
        flex-direction: column;
    }
}

/* ==========================================================
   18. UM权限拦截提示样式
   ========================================================== */

.um-access-denied {
    padding: var(--spacing-xl);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
}

.um-access-denied h2 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.um-access-denied p {
    color: #666;
    margin-bottom: var(--spacing-lg);
}

.um-access-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================
   19. 底部Footer样式
   ========================================================== */

.site-footer {
    background: var(--color-ink);
    color: var(--color-paper);
}

.footer-top {
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid rgba(248,245,235,0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
}

.footer-title {
    font-size: 1.1rem;
    color: var(--color-paper);
    margin: 0 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-cinnabar);
}

.footer-desc {
    font-size: 0.9rem;
    color: rgba(248,245,235,0.7);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.footer-contact p {
    font-size: 0.85rem;
    color: rgba(248,245,235,0.7);
    margin-bottom: var(--spacing-xs);
}

.footer-contact strong {
    color: var(--color-paper);
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li {
    margin-bottom: var(--spacing-xs);
}

.footer-menu a {
    color: rgba(248,245,235,0.7);
    font-size: 0.85rem;
}

.footer-menu a:hover {
    color: var(--color-cinnabar);
}

.qr-codes {
    display: flex;
    gap: var(--spacing-md);
}

.qr-item {
    text-align: center;
}

.qr-image {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.qr-placeholder {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    background: rgba(248,245,235,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(248,245,235,0.3);
    margin-bottom: var(--spacing-xs);
}

.qr-item span {
    font-size: 0.8rem;
    color: rgba(248,245,235,0.7);
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-bottom-inner p {
    font-size: 0.85rem;
    color: rgba(248,245,235,0.6);
    margin: 0;
}

.footer-bottom a {
    color: rgba(248,245,235,0.6);
}

.footer-bottom a:hover {
    color: var(--color-cinnabar);
}

.icp-divider {
    margin: 0 var(--spacing-sm);
}

@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* 底部固定入会按钮 */
.fixed-join-button {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 90;
}

.btn-join {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-cinnabar);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(158,43,37,0.3);
    transition: all 0.2s ease;
}

.btn-join:hover {
    background: var(--color-ink);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-ink);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 90;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    border-color: var(--color-cinnabar);
    color: var(--color-cinnabar);
}

/* ==========================================================
   20. 分页样式
   ========================================================== */

.pagination {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
    gap: var(--spacing-xs);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    font-size: 0.9rem;
    background: var(--color-white);
}

.pagination a:hover,
.pagination span.current {
    background: var(--color-cinnabar);
    border-color: var(--color-cinnabar);
    color: var(--color-white);
}

/* ==========================================================
   21. 空内容提示
   ========================================================== */

.no-content {
    padding: var(--spacing-xl);
    text-align: center;
    color: #888;
    background: var(--color-white);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.no-results {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.no-results h2 {
    margin-bottom: var(--spacing-sm);
}

.error-content {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.error-icon {
    color: var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.error-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.error-search {
    max-width: 400px;
    margin: 0 auto;
}

/* ==========================================================
   21.5 学术研究页面样式
   ========================================================== */

.template-academic .layout-full-width {
    padding-top: var(--spacing-xl);
}

.academic-intro {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.academic-intro .page-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.academic-desc {
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.academic-sections {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.academic-section-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.2s ease;
}

.academic-section-card:hover {
    border-color: var(--color-cinnabar);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.section-card-icon {
    color: var(--color-cinnabar);
    margin-bottom: var(--spacing-md);
}

.section-card-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-ink);
}

.section-card-desc {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.section-card-link {
    font-size: 0.9rem;
    color: var(--color-cinnabar);
    font-weight: 600;
}

.academic-section-card:hover .section-card-link {
    text-decoration: underline;
}

.academic-latest {
    margin-top: var(--spacing-2xl);
}

.latest-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.latest-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.latest-item:hover {
    border-color: var(--color-cinnabar);
}

.latest-thumb {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.latest-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.latest-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-border);
    color: #aaa;
}

.latest-info {
    flex: 1;
    min-width: 0;
}

.latest-info h3 {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.latest-date {
    font-size: 0.8rem;
    color: #888;
}

/* 分类归档页面样式 */
.category-archive .content-main {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

.archive-notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.archive-news-list .news-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.archive-news-list .news-item:last-child {
    border-bottom: none;
}

.archive-news-list .news-thumb {
    width: 200px;
    height: 150px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.archive-news-list .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.archive-news-list .news-body {
    flex: 1;
}

/* 通用分类列表 */
.general-list .list-item {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.general-list .list-item:last-child {
    border-bottom: none;
}

.list-item-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.list-item-title a {
    color: var(--color-ink);
}

.list-item-title a:hover {
    color: var(--color-cinnabar);
}

.list-item-meta {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: var(--spacing-sm);
}

.list-item-meta > span {
    margin-right: var(--spacing-md);
}

.list-item-excerpt {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

/* ==========================================================
   21.6 默认页面模板 & 文章详情模板
   ========================================================== */

/* 默认页面模板 */
.page-template-default .page-content-wrap {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    min-height: 400px;
}

.page-template-default .entry-content {
    line-height: 1.8;
}

.page-template-default .entry-content h1,
.page-template-default .entry-content h2,
.page-template-default .entry-content h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* UM 登录/注册页面特殊处理 */
.page-template-default .um {
    min-height: 400px;
}

/* 文章详情 */
.single-template .article-detail {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.article-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.article-title {
    font-size: 1.6rem;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    color: #888;
    font-size: 0.85rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.article-featured-image {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-content {
    line-height: 1.8;
    font-size: 1rem;
}

.article-content h2 {
    font-size: 1.3rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-content h3 {
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.article-content p {
    margin-bottom: var(--spacing-md);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.article-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: #888;
}

.article-footer a {
    color: var(--color-cinnabar);
}

/* 上一篇/下一篇导航 */
.nav-links {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.nav-subtitle {
    font-size: 0.8rem;
    color: #888;
}

.nav-title {
    color: var(--color-ink);
}

/* ==========================================================
   22. 面包屑导航
   ========================================================== */

.breadcrumbs {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    font-size: 0.85rem;
}

.breadcrumbs .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.breadcrumbs-icon {
    color: var(--color-cinnabar);
    display: flex;
    align-items: center;
}

.breadcrumbs-label {
    color: #888;
    font-weight: 600;
}

.breadcrumbs a {
    color: var(--color-ink);
}

.breadcrumbs a:hover {
    color: var(--color-cinnabar);
}

.breadcrumb-separator {
    color: var(--color-border);
    margin: 0 2px;
}

.breadcrumb-current {
    color: var(--color-cinnabar);
    font-weight: 600;
}

/* ==========================================================
   23. 响应式规则
   ========================================================== */

@media (max-width: 1199px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (max-width: 991px) {
    .col-carousel, .col-news-list,
    .col-notice, .col-academic-cards,
    .col-about, .col-events {
        flex: 1 1 100%;
    }
    .about-intro {
        flex-direction: column;
    }
    .about-image-frame {
        flex: none;
        width: 100%;
        max-width: 300px;
    }
    .about-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .research-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .academic-sections {
        grid-template-columns: 1fr;
    }
    .latest-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .archive-news-list .news-item {
        flex-direction: column;
    }
    .archive-news-list .news-thumb {
        width: 100%;
        height: 200px;
    }
    .events-hero-inner {
        grid-template-columns: 1fr;
    }
    .events-hero-image {
        min-height: 240px;
    }
    .events-hero-placeholder {
        min-height: 240px;
    }
    .completed-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .home-row {
        padding: var(--spacing-lg) 0;
    }
    .section-header-mini h2 {
        font-size: 1.1rem;
    }
    .page-title {
        font-size: 1.5rem;
    }
    .cta-content h2 {
        font-size: 1.3rem;
    }
    .activity-info-list {
        grid-template-columns: 1fr;
    }
    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .fixed-join-button {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
    .back-to-top {
        bottom: 80px;
    }
    .events-list-item {
        grid-template-columns: 80px 1fr;
        grid-template-rows: auto auto;
    }
    .events-list-thumb {
        width: 80px;
        height: 60px;
    }
    .events-list-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }
    .events-hero-title {
        font-size: 1.4rem;
    }
    .events-hero-actions {
        flex-direction: column;
    }
    .events-hero-actions .btn-large {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .academic-quick-cards {
        grid-template-columns: 1fr;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn-large {
        width: 100%;
    }
    .about-cards-grid {
        grid-template-columns: 1fr;
    }
    .research-grid {
        grid-template-columns: 1fr;
    }
    .home-tab-nav {
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .home-tab-nav::-webkit-scrollbar {
        display: none;
    }
    .completed-grid {
        grid-template-columns: 1fr;
    }
    .events-hero-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    .latest-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================
   23. 打印样式
   ========================================================== */

@media print {
    .top-bar,
    .header-navigation,
    .site-footer,
    .fixed-join-button,
    .back-to-top,
    .scroll-btn,
    .content-sidebar {
        display: none !important;
    }
    .content-main {
        width: 100%;
    }
    a {
        color: var(--color-ink) !important;
    }
}