/* ==================================================
 * EduPolicy Theme - Main Stylesheet
 * Design Reference: moe.gov.cn
 * Colors: Blue #2c6cb0 (primary & accent), Amber #d97706 (warning)
 * ==================================================

/* CSS Variables */
:root {
    --color-accent: #2c6cb0;
    --color-accent-dark: #1e5085;
    --color-accent-light: #4a8ec9;
    --color-warn: #d97706;
    --color-warn-bg: #fdf6ec;
    --color-blue: #2c6cb0;
    --color-blue-dark: #1e5085;
    --color-blue-light: #4a8ec9;
    --color-gray-bg: #f5f7fa;
    --color-gray-border: #e0e5ec;
    --color-gray-text: #666;
    --color-dark: #333;
    --color-white: #fff;
    --color-orange: #e67e22;
    --color-green: #27ae60;
    --color-link: #2c6cb0;

    --font-stack: -apple-system, "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-2xl: 26px;

    --container-width: 1200px;
    --radius: 4px;
    --radius-lg: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-hover: 0 2px 8px rgba(0,0,0,0.12);
    --transition: all 0.2s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-stack);
    font-size: var(--font-size-base);
    color: var(--color-dark);
    line-height: 1.7;
    background: var(--color-gray-bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

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

ul, ol {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================================================
 * Top Bar (Light)
 * ================================================== */
.top-bar {
    background: #f0f4f8; /* 浅灰蓝顶条：顶部轻量化，全站仅主导航一道蓝色 */
    border-bottom: 1px solid var(--color-gray-border);
    color: var(--color-gray-text);
    font-size: var(--font-size-sm);
    line-height: 32px;
    height: 32px;
}

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

.top-bar-left {
    display: flex;
    gap: 8px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 2px;
}

.top-bar-link {
    color: var(--color-gray-text);
    padding: 0 4px;
}

.top-bar-link:hover {
    color: var(--color-blue);
    text-decoration: underline;
}

.top-bar-sep {
    opacity: 0.5;
}

/* ==================================================
 * Header / Logo Area
 * ================================================== */
.header-main {
    background: var(--color-white);
    border-bottom: none; /* 去掉蓝色底线，避免与蓝色导航栏叠加形成两道蓝 */
}

.header-main-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    min-height: 80px;
}

.site-branding {
    flex: 1;
}

.site-logo-text {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-logo-icon {
    flex-shrink: 0;
    display: flex;
}

.site-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1.3;
    letter-spacing: 0.5px;
}

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

.site-title a:hover {
    color: var(--color-accent-dark);
    text-decoration: none;
}

.site-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
    margin-top: 2px;
}

/* Search Form */
.header-search {
    flex-shrink: 0;
}

.search-form {
    position: relative;
}

.search-form-inner {
    display: flex;
    align-items: center;
    border: 2px solid var(--color-blue);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-white);
}

.search-icon {
    color: var(--color-blue);
    font-size: 18px;
    width: 18px;
    height: 18px;
    margin-left: 10px;
    flex-shrink: 0;
}

.search-field {
    border: none;
    outline: none;
    padding: 8px 10px;
    font-size: var(--font-size-base);
    width: 240px;
    font-family: var(--font-stack);
}

.search-submit {
    background: var(--color-blue);
    color: var(--color-white);
    border: none;
    padding: 8px 18px;
    font-size: var(--font-size-base);
    cursor: pointer;
    font-family: var(--font-stack);
    transition: var(--transition);
}

.search-submit:hover {
    background: var(--color-blue-dark);
}

/* ==================================================
 * Navigation (Blue)
 * ================================================== */
.main-navigation {
    background: var(--color-blue);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    z-index: 100;
}

.nav-inner {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 14px 16px;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.menu-toggle-bars {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-white);
    border-radius: 1px;
}

.menu-toggle-text {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
}

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

.nav-menu > li > a {
    display: block;
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 500;
    padding: 14px 24px;
    transition: var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a {
    background: var(--color-blue-dark);
    text-decoration: none;
    color: var(--color-white);
}

/* Sub menu */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    min-width: 180px;
    box-shadow: var(--shadow-hover);
    border-top: 3px solid var(--color-accent);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.nav-menu > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu li a {
    display: block;
    padding: 10px 18px;
    color: var(--color-dark);
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-gray-border);
}

.sub-menu li a:hover {
    background: var(--color-gray-bg);
    color: var(--color-blue);
}

/* ==================================================
 * Breadcrumb
 * ================================================== */
.breadcrumb-wrapper {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-border);
}

.breadcrumb {
    padding: 10px 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
}

.breadcrumb a {
    color: var(--color-gray-text);
}

.breadcrumb a:hover {
    color: var(--color-blue);
}

.breadcrumb .sep {
    margin: 0 6px;
    color: #ccc;
}

.breadcrumb .current {
    color: var(--color-dark);
}

/* ==================================================
 * Layout
 * ================================================== */
.site-content {
    min-height: 60vh;
    padding: 24px 0;
}

.content-inner {
    display: flex;
    flex-direction: column;
}

.content-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.content-layout-with-sidebar .content-main {
    flex: 1;
    min-width: 0;
}

.content-layout-with-sidebar .sidebar {
    width: 300px;
    flex-shrink: 0;
}

.content-layout-narrow {
    justify-content: center;
}

.content-layout-narrow .content-main {
    max-width: 900px;
    width: 100%;
}

/* ==================================================
 * Front Page - Hero
 * ================================================== */
.front-page {
    padding: 0;
}

.hero-section {
    background: var(--color-white);
    margin-bottom: 24px;
}

.hero-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    background: var(--color-dark);
    min-height: 300px;
}

.hero-slide {
    display: none;
    position: relative;
    min-height: 300px;
}

.hero-slide:first-child {
    display: block;
}

.hero-slide-link {
    display: block;
    position: relative;
    height: 100%;
}

.hero-slide-img {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-slide-img img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.hero-slide-img-placeholder {
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-dark));
}

.hero-slide-content {
    position: relative;
    z-index: 2;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.hero-slide-type {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 2px 10px;
    font-size: var(--font-size-sm);
    border-radius: var(--radius);
    margin-bottom: 8px;
    width: fit-content;
}

.hero-slide-title {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    line-height: 1.4;
    margin-bottom: 6px;
    font-weight: 700;
}

.hero-slide-date {
    color: rgba(255,255,255,0.7);
    font-size: var(--font-size-sm);
}

.hero-dots {
    text-align: center;
    padding: 10px 0;
}

.hero-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-gray-border);
    margin: 0 4px;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ==================================================
 * Front Page - Panels
 * ================================================== */
.home-section {
    margin-bottom: 24px;
}

.home-panel {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.home-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 2px solid var(--color-gray-border);
    background: var(--color-gray-bg);
}

.home-panel-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.home-panel-title .dashicons {
    color: var(--color-accent);
    font-size: 20px;
    width: 20px;
    height: 20px;
}

.home-panel-more {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
}

.home-panel-more:hover {
    color: var(--color-blue);
}

.home-post-list {
    padding: 8px 20px 16px;
}

.home-post-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    border-bottom: 1px dashed var(--color-gray-border);
    line-height: 1.5;
}

.home-post-item:last-child {
    border-bottom: none;
}

.home-post-title {
    flex: 1;
    color: var(--color-dark);
    font-size: var(--font-size-base);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 12px;
}

.home-post-title:hover {
    color: var(--color-blue);
    text-decoration: none;
}

.home-post-date {
    color: var(--color-gray-text);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.home-post-empty {
    padding: 20px;
    text-align: center;
    color: var(--color-gray-text);
}

/* Dual Grid */
.home-dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* ==================================================
 * Front Page - Province Tabs (悬停切换，参考教育部官网)
 * ================================================== */
.province-tabs {
    display: flex;
    flex-wrap: wrap;
    padding: 0 12px;
    border-bottom: 1px solid var(--color-gray-border);
    background: var(--color-white);
}

.province-tab {
    padding: 7px 15px; /* 与 .home-post-item 行高对齐：标签栏1行+每省5条=6行，与国家级面板平齐 */
    font-size: var(--font-size-base);
    color: var(--color-gray-text);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: var(--transition);
}

.province-tab:hover {
    color: var(--color-blue);
    text-decoration: none;
}

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

.province-panel {
    display: none;
}

.province-panel.active {
    display: block;
}

/* ==================================================
 * Front Page - Conference
 * ================================================== */
.home-panel-wide .conference-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 16px 20px;
}

.conference-col-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-blue);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--color-blue-light);
}

.conference-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.conference-item {
    padding: 8px 10px;
    background: var(--color-gray-bg);
    border-radius: var(--radius);
    border-left: 3px solid var(--color-blue-light);
    transition: var(--transition);
}

.conference-item:hover {
    border-left-color: var(--color-accent);
    background: #eef3fa;
}

.conference-item.urgent {
    border-left-color: var(--color-warn);
    background: var(--color-warn-bg);
}

.conference-item-title {
    display: block;
    color: var(--color-dark);
    font-size: var(--font-size-base);
    line-height: 1.5;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conference-item-title:hover {
    color: var(--color-blue);
    text-decoration: none;
}

.conference-deadline {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
}

.conference-deadline.urgent {
    color: var(--color-warn);
    font-weight: 600;
}

.conference-date {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
}

/* ==================================================
 * Front Page - Quick Nav
 * ================================================== */
.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    padding: 20px;
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.quick-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 8px;
    border-radius: var(--radius);
    transition: var(--transition);
    text-align: center;
    color: var(--color-dark);
}

.quick-nav-item:hover {
    background: var(--color-gray-bg);
    text-decoration: none;
    color: var(--color-blue);
}

.quick-nav-icon {
    font-size: 28px;
    width: 28px;
    height: 28px;
    color: var(--color-blue);
    margin-bottom: 6px;
}

.quick-nav-item:hover .quick-nav-icon {
    color: var(--color-accent);
}

.quick-nav-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ==================================================
 * Archive / List Page
 * ================================================== */
.filter-bar {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 12px 20px;
    margin-bottom: 16px;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 6px 0;
    border-bottom: 1px dashed var(--color-gray-border);
}

.filter-group:last-child {
    border-bottom: none;
}

.filter-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
    font-weight: 600;
    flex-shrink: 0;
    margin-right: 4px;
}

.filter-tag {
    display: inline-block;
    padding: 3px 12px;
    font-size: var(--font-size-sm);
    color: var(--color-dark);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.filter-tag:hover {
    background: var(--color-gray-bg);
    text-decoration: none;
    color: var(--color-blue);
}

.filter-tag.active {
    background: var(--color-blue);
    color: var(--color-white);
}

.archive-header {
    margin-bottom: 16px;
}

.archive-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-blue);
    display: inline-block;
}

.archive-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
    margin-top: 6px;
}

/* Post Card */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.post-card {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px 20px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.post-card:hover {
    box-shadow: var(--shadow-hover);
    border-left-color: var(--color-blue);
}

.post-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.post-card-title a {
    color: var(--color-dark);
}

.post-card-title a:hover {
    color: var(--color-blue);
    text-decoration: none;
}

.post-type-badge {
    display: inline-block;
    background: var(--color-gray-bg);
    color: var(--color-gray-text);
    padding: 1px 8px;
    font-size: var(--font-size-sm);
    border-radius: var(--radius);
    flex-shrink: 0;
    margin-top: 2px;
}

.post-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 8px;
}

.post-meta-item {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
    display: flex;
    align-items: center;
    gap: 4px;
}

.post-meta-item .dashicons {
    font-size: 14px;
    width: 14px;
    height: 14px;
    color: #aaa;
}

.post-card-excerpt {
    color: var(--color-gray-text);
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: 8px;
}

.post-card-terms {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* Term Badges */
.term-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: var(--font-size-sm);
    border-radius: var(--radius);
    color: var(--color-white);
    transition: var(--transition);
}

.term-badge:hover {
    opacity: 0.85;
    text-decoration: none;
}

.term-source_level {
    background: var(--color-blue);
}

.term-policy_topic {
    background: var(--color-orange);
}

.term-doc_type {
    background: #8e44ad;
}

.term-region {
    background: var(--color-green);
}

.term-meeting-type {
    background: #34495e;
}

/* No Results */
.no-results {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 48px 24px;
    text-align: center;
    color: var(--color-gray-text);
}

.no-results h3 {
    font-size: var(--font-size-xl);
    margin: 16px 0 8px;
    color: var(--color-dark);
}

/* Pagination */
.pagination {
    text-align: center;
    margin-top: 24px;
    padding: 16px 0;
}

.pagination .page-numbers {
    display: inline-block;
    padding: 6px 14px;
    margin: 0 3px;
    border: 1px solid var(--color-gray-border);
    border-radius: var(--radius);
    color: var(--color-dark);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.pagination .page-numbers:hover {
    border-color: var(--color-blue);
    color: var(--color-blue);
    text-decoration: none;
}

.pagination .page-numbers.current {
    background: var(--color-blue);
    color: var(--color-white);
    border-color: var(--color-blue);
}

/* ==================================================
 * Single Post
 * ================================================== */
.single-post {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px 36px;
    margin-bottom: 24px;
}

.single-post-header {
    border-bottom: 2px solid var(--color-gray-border);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.single-post-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.4;
    margin-bottom: 12px;
}

.single-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 10px;
}

.single-post-terms {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* AI Summary */
.ai-summary-box {
    background: #f0f7ff;
    border: 1px solid #c5dcf5;
    border-left: 4px solid var(--color-blue);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.ai-summary-title {
    font-size: var(--font-size-base);
    color: var(--color-blue);
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ai-summary-content {
    color: var(--color-dark);
    line-height: 1.8;
    font-size: var(--font-size-base);
}

/* Keywords */
.keywords-box {
    margin-bottom: 20px;
    padding: 10px 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.keywords-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
    font-weight: 600;
}

.keyword-tag {
    display: inline-block;
    background: var(--color-gray-bg);
    color: var(--color-gray-text);
    padding: 2px 10px;
    font-size: var(--font-size-sm);
    border-radius: 12px;
}

/* Post Content */
.single-post-content {
    font-size: var(--font-size-base);
    line-height: 1.9;
    color: var(--color-dark);
}

.single-post-content p {
    margin-bottom: 16px;
}

.single-post-content h2,
.single-post-content h3,
.single-post-content h4 {
    margin: 24px 0 12px;
    font-weight: 700;
}

.single-post-content h2 {
    font-size: var(--font-size-xl);
    color: var(--color-accent);
    border-left: 4px solid var(--color-accent);
    padding-left: 10px;
}

.single-post-content h3 {
    font-size: var(--font-size-lg);
    color: var(--color-blue);
}

.single-post-content a {
    color: var(--color-blue);
    text-decoration: underline;
}

.single-post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.single-post-content table th,
.single-post-content table td {
    border: 1px solid var(--color-gray-border);
    padding: 8px 12px;
    text-align: left;
}

.single-post-content table th {
    background: var(--color-gray-bg);
    font-weight: 700;
}

.single-post-content blockquote {
    border-left: 4px solid var(--color-blue);
    padding: 12px 20px;
    margin: 16px 0;
    background: var(--color-gray-bg);
    color: var(--color-gray-text);
}

.single-post-content img {
    border-radius: var(--radius);
    margin: 12px 0;
}

/* Source Link */
.source-link-box {
    margin-top: 24px;
    padding: 16px;
    background: #fff8f0;
    border: 1px solid #f5e6d0;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.source-link-box .dashicons {
    color: var(--color-orange);
    font-size: 18px;
}

.source-link-btn {
    margin-left: auto;
    display: inline-block;
    background: var(--color-blue);
    color: var(--color-white);
    padding: 6px 18px;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.source-link-btn:hover {
    background: var(--color-blue-dark);
    color: var(--color-white);
    text-decoration: none;
}

/* Copyright Notice */
.copyright-notice {
    margin-top: 16px;
    padding: 10px 14px;
    background: var(--color-gray-bg);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
    text-align: center;
}

.copyright-notice a {
    color: var(--color-gray-text);
    text-decoration: underline;
}

/* ==================================================
 * Conference Detail
 * ================================================== */
.conference-info-card {
    background: var(--color-gray-bg);
    border-radius: var(--radius-lg);
    padding: 0;
    margin-bottom: 24px;
    overflow: hidden;
    border: 1px solid var(--color-gray-border);
}

.conference-info-table {
    width: 100%;
    border-collapse: collapse;
}

.conference-info-table th {
    width: 120px;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--color-dark);
    background: #eef3fa;
    border-bottom: 1px solid var(--color-gray-border);
    font-size: var(--font-size-base);
    vertical-align: top;
}

.conference-info-table th .dashicons {
    color: var(--color-blue);
    margin-right: 4px;
    font-size: 16px;
    width: 16px;
    height: 16px;
}

.conference-info-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-gray-border);
    font-size: var(--font-size-base);
}

.conference-info-table tr:last-child th,
.conference-info-table tr:last-child td {
    border-bottom: none;
}

.conference-countdown {
    display: inline-block;
    background: var(--color-blue);
    color: var(--color-white);
    padding: 1px 10px;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    margin-left: 8px;
}

.conference-deadline-badge {
    display: inline-block;
    background: var(--color-orange);
    color: var(--color-white);
    padding: 1px 10px;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    margin-left: 8px;
}

.conference-deadline-badge.urgent {
    background: var(--color-warn);
    animation: pulse 1.5s infinite;
}

.conference-deadline-badge.expired {
    background: #999;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.conference-action {
    padding: 20px;
    text-align: center;
}

.meeting-url-link {
    color: var(--color-blue);
    word-break: break-all;
}

/* Paper Requirements */
.paper-requirements-box {
    background: #fff9f5;
    border: 1px solid #f0e0d0;
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 24px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-orange);
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==================================================
 * Related Posts
 * ================================================== */
.related-posts {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    margin-bottom: 24px;
}

.related-posts-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-gray-border);
    display: flex;
    align-items: center;
    gap: 6px;
}

.related-posts-title .dashicons {
    color: var(--color-accent);
}

.related-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.related-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px dashed var(--color-gray-border);
}

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

.related-item-title {
    color: var(--color-dark);
    font-size: var(--font-size-base);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 12px;
}

.related-item-title:hover {
    color: var(--color-blue);
    text-decoration: none;
}

.related-item-date {
    color: var(--color-gray-text);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

/* ==================================================
 * Sidebar
 * ================================================== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.widget {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px 20px;
}

.widget-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    padding-bottom: 8px;
    margin-bottom: 10px;
    border-bottom: 2px solid var(--color-blue);
    display: flex;
    align-items: center;
}

.widget-post-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.widget-post-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px dashed var(--color-gray-border);
}

.widget-post-list li:last-child {
    border-bottom: none;
}

.widget-post-list li a {
    color: var(--color-dark);
    font-size: var(--font-size-sm);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 8px;
}

.widget-post-list li a:hover {
    color: var(--color-blue);
    text-decoration: none;
}

.widget-post-date {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
    flex-shrink: 0;
}

.widget-post-list .empty {
    color: var(--color-gray-text);
    text-align: center;
    padding: 12px;
}

/* Hot ranking */
.hot-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 3px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    background: #aaa;
    margin-right: 8px;
    flex-shrink: 0;
}

.rank-1 { background: var(--color-accent); }
.rank-2 { background: var(--color-orange); }
.rank-3 { background: #f39c12; }

/* Tag cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-cloud-link {
    display: inline-block;
    padding: 3px 12px;
    background: var(--color-gray-bg);
    color: var(--color-dark);
    font-size: var(--font-size-sm);
    border-radius: var(--radius);
    transition: var(--transition);
}

.tag-cloud-link:hover {
    background: var(--color-blue);
    color: var(--color-white);
    text-decoration: none;
}

/* ==================================================
 * Footer
 * ================================================== */
.site-footer {
    background: #2c3e50;
    color: #bdc3c7;
    padding: 40px 0 20px;
    margin-top: 40px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-widget-title {
    font-size: var(--font-size-lg);
    color: var(--color-white);
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-about p {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    color: #95a5a6;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-links a,
.footer-contact a {
    color: #bdc3c7;
    font-size: var(--font-size-sm);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-white);
    text-decoration: none;
}

.footer-bottom {
    padding-top: 20px;
    text-align: center;
    font-size: var(--font-size-sm);
    color: #7f8c8d;
}

.footer-copyright a {
    color: #95a5a6;
}

.footer-copyright a:hover {
    color: var(--color-white);
}

.footer-disclaimer {
    margin-top: 6px;
}

.footer-disclaimer a {
    color: #95a5a6;
    text-decoration: underline;
}

/* ==================================================
 * Buttons
 * ================================================== */
.btn {
    display: inline-block;
    padding: 8px 24px;
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-stack);
    text-decoration: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--color-blue-dark);
    color: var(--color-white);
    text-decoration: none;
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-blue);
    border: 1px solid var(--color-blue);
}

.btn-secondary:hover {
    background: var(--color-blue);
    color: var(--color-white);
    text-decoration: none;
}

.btn-large {
    padding: 12px 36px;
    font-size: var(--font-size-lg);
}

/* ==================================================
 * Error 404
 * ================================================== */
.error-404 {
    text-align: center;
    padding: 60px 20px;
}

.error-404-title {
    font-size: 72px;
    color: var(--color-blue);
    font-weight: 700;
    margin-bottom: 16px;
}

.error-404-text {
    font-size: var(--font-size-xl);
    color: var(--color-dark);
    margin-bottom: 8px;
}

.error-404-desc {
    color: var(--color-gray-text);
    margin-bottom: 24px;
}

.error-404-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.error-404-search {
    max-width: 400px;
    margin: 0 auto;
}

/* ==================================================
 * Comments
 * ================================================== */
.comments-section {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
}

.comments-title {
    font-size: var(--font-size-lg);
    margin-bottom: 16px;
}

.comment-list {
    list-style: none;
}

.comment-list .children {
    list-style: none;
    margin-left: 24px;
    border-left: 2px solid var(--color-gray-border);
    padding-left: 16px;
}

.comment-body {
    padding: 12px 0;
    border-bottom: 1px dashed var(--color-gray-border);
}

/* ==================================================
 * Search Suggestions
 * ================================================== */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border: 1px solid var(--color-gray-border);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow-hover);
    z-index: 999;
    max-height: 320px;
    overflow-y: auto;
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-bottom: 1px solid var(--color-gray-border);
    color: var(--color-dark);
    transition: var(--transition);
}

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

.suggestion-item:hover {
    background: var(--color-gray-bg);
    text-decoration: none;
    color: var(--color-blue);
}

.suggestion-type {
    display: inline-block;
    background: var(--color-gray-bg);
    color: var(--color-gray-text);
    padding: 1px 8px;
    font-size: var(--font-size-sm);
    border-radius: var(--radius);
    flex-shrink: 0;
}

.suggestion-title {
    flex: 1;
    font-size: var(--font-size-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.suggestion-date {
    font-size: var(--font-size-sm);
    color: var(--color-gray-text);
    flex-shrink: 0;
}

/* ==================================================
 * Responsive
 * ================================================== */
@media (max-width: 1024px) {
    .home-dual-grid {
        grid-template-columns: 1fr;
    }

    .home-panel-wide .conference-grid {
        grid-template-columns: 1fr;
    }

    .quick-nav-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .content-layout-with-sidebar {
        flex-direction: column;
    }

    .content-layout-with-sidebar .sidebar {
        width: 100%;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }

    /* Top bar */
    .top-bar-left .top-bar-weekday {
        display: none;
    }

    /* Header */
    .header-main-inner {
        flex-direction: column;
        gap: 12px;
        padding: 12px;
    }

    .site-title {
        font-size: 18px;
    }

    .site-logo-icon svg {
        width: 44px;
        height: 44px;
    }

    .search-field {
        width: 160px;
    }

    /* Navigation */
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-blue);
        flex-direction: column;
        z-index: 999;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }

    .nav-menu.menu-open {
        display: flex;
    }

    .nav-menu > li {
        width: 100%;
    }

    .nav-menu > li > a {
        padding: 12px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        font-size: var(--font-size-base);
    }

    .nav-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-top: none;
        background: rgba(0,0,0,0.15);
    }

    /* Content */
    .single-post {
        padding: 18px 16px;
    }

    .single-post-title {
        font-size: var(--font-size-xl);
    }

    .quick-nav-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Hero */
    .hero-slide-img img {
        height: 200px;
    }

    .hero-slide-content {
        min-height: 200px;
        padding: 20px;
    }

    .hero-slide-title {
        font-size: var(--font-size-lg);
    }

    /* Filter */
    .filter-group {
        gap: 4px;
    }

    .filter-label {
        width: 100%;
        margin-bottom: 4px;
    }

    /* Conference table */
    .conference-info-table th {
        width: 80px;
        font-size: var(--font-size-sm);
    }

    .error-404-title {
        font-size: 48px;
    }
}

@media (max-width: 480px) {
    .quick-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .post-card {
        padding: 14px 12px;
    }

    .post-card-title {
        font-size: var(--font-size-base);
    }

    .single-post-meta {
        gap: 8px;
    }

    .search-field {
        width: 120px;
    }
}