/* ============================================================
   皮皮漫画 - 全站样式表
   公共交通风 · 线路蓝主色 · 线路橙强调
   ============================================================ */

/* ============================================================
   1. Base - 基础变量、重置、字体、通用元素
   ============================================================ */
:root {
  --color-line-blue: #1A3A5D;
  --color-line-blue-dark: #12293F;
  --color-line-orange: #F59E0B;
  --color-line-green: #10B981;
  --color-line-red: #EF4444;
  --color-line-purple: #8B5CF6;
  --color-line-yellow: #EAB308;
  --color-bg-gray: #F4F6F8;
  --color-text-dark: #1F2937;
  --color-text-secondary: #4B5563;
  --color-border: #D1D5DB;
  --color-white: #FFFFFF;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --container-width: 1100px;
  --sidebar-width: 260px;
  --main-width: 900px;
  --radius: 6px;
  --radius-sm: 4px;
  --header-height: 60px;
  --transition: 0.2s ease;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-bg-gray);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

a:hover {
  color: var(--color-line-orange);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-dark);
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 20px;
}

h3 {
  font-size: 16px;
}

p {
  margin-bottom: 0.5rem;
}

/* 表格数字对齐 */
.time,
.rank-no,
.page-badge,
.entry-code,
.update-time,
.week-schedule-table td,
.week-schedule-table th,
.field-table td,
.field-table th,
.guide-table td,
.guide-table th {
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   2. Layout - 全站布局骨架
   ============================================================ */

/* --- 页头 --- */
.site-header {
  background-color: var(--color-line-blue);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-white);
  flex-shrink: 0;
}

.brand:hover {
  color: var(--color-white);
}

.brand-mark {
  width: 12px;
  height: 12px;
  background-color: var(--color-line-orange);
  border-radius: 2px;
  display: inline-block;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* --- 主导航 --- */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-list li a {
  display: block;
  padding: 8px 14px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition);
}

.nav-list li a:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-list li a.is-current {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.18);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}

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

/* --- 页脚 --- */
.site-footer {
  background-color: var(--color-line-blue-dark);
  color: rgba(255, 255, 255, 0.75);
  margin-top: auto;
  font-size: 14px;
}

.footer-columns {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h2 {
  font-size: 15px;
  color: var(--color-white);
  margin-bottom: 12px;
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 6px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-col ul li a:hover {
  color: var(--color-line-orange);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p {
  max-width: var(--container-width);
  margin: 0 auto;
}

/* --- 内页布局外壳 --- */
.layout-shell,
.page-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 48px;
  width: 100%;
  flex: 1;
}

/* 默认：主内容在前，侧栏在后 */
.layout-shell,
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: 24px;
}

/* 侧栏在前 */
.sidebar-left {
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
}

.sidebar-left .sidebar,
.sidebar-left .sidebar-tree,
.sidebar-left .sidebar-tree-inner {
  grid-column: 1;
}

.sidebar-left .inner-main {
  grid-column: 2;
}

/* --- 面包屑 --- */
.breadcrumb {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: var(--color-border);
}

.breadcrumb-current {
  color: var(--color-text-dark);
  font-weight: 500;
}

/* --- 页面标题区 --- */
.page-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-line-blue);
}

.page-badge,
.page-number {
  display: inline-block;
  background-color: var(--color-line-blue);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.page-description {
  font-size: 15px;
  color: var(--color-text-secondary);
  max-width: 720px;
}

/* --- 侧栏 --- */
.sidebar,
.sidebar-tree {
  font-size: 14px;
}

.sidebar h2,
.sidebar-tree h2,
.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-line-blue);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar nav,
.sidebar-tree nav {
  margin-bottom: 24px;
}

.sidebar ul li,
.sidebar-tree ul li {
  margin-bottom: 2px;
}

.sidebar ul li a,
.sidebar-tree ul li a {
  display: block;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 14px;
  transition: background-color var(--transition), color var(--transition);
}

.sidebar ul li a:hover,
.sidebar-tree ul li a:hover {
  background-color: rgba(26, 58, 93, 0.08);
  color: var(--color-line-blue);
}

.sidebar ul li a.is-current,
.sidebar-tree ul li a.is-current {
  background-color: var(--color-line-blue);
  color: var(--color-white);
  font-weight: 600;
}

.sidebar ul ul,
.sidebar-tree ul ul {
  padding-left: 16px;
  margin-top: 2px;
}

.sidebar ul ul li a,
.sidebar-tree ul ul li a {
  font-size: 13px;
  padding: 4px 10px;
}

/* --- 主内容区 --- */
.inner-main {
  min-width: 0;
}

/* ============================================================
   3. Components - 通用组件
   ============================================================ */

/* --- 折叠面板 --- */
.collapse-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-white);
}

.collapse-panel summary {
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-dark);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.collapse-panel summary::-webkit-details-marker {
  display: none;
}

.collapse-panel summary::before {
  content: "▸";
  color: var(--color-line-blue);
  font-size: 14px;
  transition: transform var(--transition);
}

.collapse-panel[open] summary::before {
  transform: rotate(90deg);
}

.collapse-content {
  padding: 0 16px 16px;
  border-top: 1px solid var(--color-bg-gray);
  padding-top: 12px;
}

/* --- 文本链接 --- */
.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-line-blue);
  margin-top: 12px;
}

.text-link:hover {
  color: var(--color-line-orange);
}

.text-link::after {
  content: " →";
}

/* --- 表格 --- */
.table-wrap {
  overflow-x: auto;
}

.field-table,
.guide-table,
.week-schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.field-table th,
.field-table td,
.guide-table th,
.guide-table td,
.week-schedule-table th,
.week-schedule-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-bg-gray);
  vertical-align: top;
}

.field-table thead th,
.guide-table thead th,
.week-schedule-table thead th {
  background-color: var(--color-line-blue);
  color: var(--color-white);
  font-weight: 600;
  font-size: 14px;
}

.field-table tbody tr:nth-child(even),
.guide-table tbody tr:nth-child(even) {
  background-color: var(--color-bg-gray);
}

/* --- 状态标签 --- */
.tag,
.status-tag,
.cover-tag,
.rank-tag,
.update-tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  line-height: 1.5;
}

.status-ongoing,
.tag-serial {
  background-color: rgba(16, 185, 129, 0.12);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-finished,
.tag-end {
  background-color: rgba(239, 68, 68, 0.1);
  color: #B91C1C;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.status-extra,
.tag-extra {
  background-color: rgba(139, 92, 246, 0.1);
  color: #6D28D9;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

/* --- 模块标题 --- */
.section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 16px;
  position: relative;
  padding-left: 12px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 4px;
  border-radius: 2px;
  background-color: var(--color-line-blue);
}

.section-title.small {
  font-size: 18px;
}

/* --- 相关链接 --- */
.related-links {
  margin-top: 32px;
  padding: 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.related-links-label {
  font-weight: 700;
  color: var(--color-text-dark);
}

.related-links a,
.related-links-item {
  color: var(--color-line-blue);
  font-weight: 500;
}

.related-links a:hover,
.related-links-item:hover {
  color: var(--color-line-orange);
}

/* --- 作品封面卡（通用） --- */
.cover-card,
.work-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.cover-card:hover,
.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cover-card img,
.work-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.cover-title,
.work-title {
  font-size: 15px;
  font-weight: 600;
  padding: 10px 12px 4px;
  color: var(--color-text-dark);
}

.cover-tag,
.work-tags {
  padding: 0 12px 10px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ============================================================
   4. Pages - 首页
   ============================================================ */

.home-main {
  flex: 1;
}

/* --- Hero 区 --- */
.hero-section {
  background-color: var(--color-line-blue);
  color: var(--color-white);
  padding: 40px 0;
}

.hero-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 40px;
  align-items: start;
}

.hero-updates .section-title {
  color: var(--color-white);
}

.hero-updates .section-title::before {
  background-color: var(--color-line-orange);
}

.update-board {
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 8px 0;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
}

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

.update-item .time {
  color: var(--color-line-orange);
  font-weight: 700;
  font-size: 13px;
  min-width: 48px;
}

.update-item .work-title {
  color: var(--color-white);
  font-weight: 500;
  flex: 1;
  padding: 0;
}

.update-item .tag {
  background-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
}

.hero-entries {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.entry-card {
  display: block;
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.entry-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.entry-code {
  display: inline-block;
  background-color: var(--color-line-orange);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.entry-title {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 4px;
}

.entry-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.hero-visual {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: var(--radius);
}

/* --- 题材线路区 --- */
.line-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 8px;
}

.line-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.line-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.line-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.line-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.line-blue .line-dot { background-color: var(--color-line-blue); }
.line-green .line-dot { background-color: var(--color-line-green); }
.line-orange .line-dot { background-color: var(--color-line-orange); }
.line-red .line-dot { background-color: var(--color-line-red); }
.line-purple .line-dot { background-color: var(--color-line-purple); }
.line-yellow .line-dot { background-color: var(--color-line-yellow); }

.line-name {
  flex: 1;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-dark);
}

.line-count {
  font-size: 13px;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-gray);
  padding: 2px 8px;
  border-radius: 10px;
}

/* --- 作品封面墙 --- */
.cover-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 8px;
}

.cover-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cover-card {
  display: block;
}

/* --- 热门作品榜 --- */
.ranking-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 8px;
}

.ranking-list {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.ranking-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-bg-gray);
}

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

.rank-no {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-line-blue);
  min-width: 32px;
}

.ranking-list li:nth-child(1) .rank-no {
  color: var(--color-line-orange);
}

.ranking-list li a {
  flex: 1;
  font-weight: 500;
  color: var(--color-text-dark);
}

.ranking-list li a:hover {
  color: var(--color-line-blue);
}

/* --- 更新日程预览 --- */
.schedule-preview-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 8px;
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--color-border);
}

.day-col {
  text-align: center;
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-gray);
}

.day-col h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-line-blue);
}

.day-col p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin-bottom: 4px;
}

.link-more {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-line-blue);
}

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

.link-more::after {
  content: " →";
}

/* --- 阅读指南导流 --- */
.guide-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 8px;
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.step-num {
  display: inline-block;
  background-color: var(--color-line-blue);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.step-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  min-height: 42px;
}

.step-card a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-line-blue);
}

.step-card a:hover {
  color: var(--color-line-orange);
}

/* --- 版权与反馈条 --- */
.notice-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 8px;
}

.notice-section p {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-line-orange);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.notice-section a {
  font-weight: 600;
  color: var(--color-line-blue);
}

.notice-section a:hover {
  color: var(--color-line-orange);
}

/* ============================================================
   5. Pages - 作品列表页 (works)
   ============================================================ */

/* 状态筛选 */
.status-filter {
  margin-bottom: 24px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  min-height: 40px;
}

.filter-btn:hover {
  border-color: var(--color-line-blue);
  color: var(--color-line-blue);
}

.filter-btn.is-active {
  background-color: var(--color-line-blue);
  border-color: var(--color-line-blue);
  color: var(--color-white);
  font-weight: 600;
}

/* 作品网格 */
.works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.work-card {
  display: flex;
  flex-direction: column;
}

.work-card a {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.work-title {
  padding: 10px 12px 4px;
  font-size: 15px;
  font-weight: 600;
}

.work-tags {
  padding: 0 12px;
  font-size: 13px;
  color: var(--color-text-secondary);
  flex: 1;
}

.work-status {
  padding: 0 12px 12px;
  font-size: 13px;
}

.work-status .status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
}

.work-status .status-dot.status-ongoing {
  background-color: var(--color-line-green);
}

.work-status .status-dot.status-finished {
  background-color: var(--color-line-red);
}

.work-status .status-dot.status-extra {
  background-color: var(--color-line-purple);
}

/* ============================================================
   6. Pages - 更新日程页 (schedule)
   ============================================================ */

.module-block {
  margin-bottom: 32px;
}

.module-intro {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

/* 今日更新 */
.today-update-list {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.today-update-list .update-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-bg-gray);
}

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

.update-time {
  color: var(--color-line-orange);
  font-weight: 700;
  font-size: 14px;
  min-width: 48px;
}

.today-update-list a {
  flex: 1;
  font-weight: 500;
  color: var(--color-text-dark);
}

.today-update-list a:hover {
  color: var(--color-line-blue);
}

/* 周时刻表 */
.week-table-wrap {
  overflow-x: auto;
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.week-schedule-table {
  min-width: 640px;
}

.week-schedule-table td {
  font-size: 14px;
}

.week-schedule-table td:first-child {
  font-weight: 700;
  color: var(--color-line-blue);
  white-space: nowrap;
}

.week-schedule-table td ul {
  margin: 0;
}

.week-schedule-table td li {
  padding: 2px 0;
}

.table-note {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

/* 更新频次 */
.frequency-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.frequency-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--color-border);
}

.frequency-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-line-blue);
  margin-bottom: 8px;
}

.frequency-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.faq-item summary {
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-dark);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "▸";
  color: var(--color-line-blue);
  margin-right: 8px;
  display: inline-block;
  transition: transform var(--transition);
}

.faq-item[open] summary::before {
  transform: rotate(90deg);
}

.faq-item p {
  padding: 0 16px 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-bg-gray);
  padding-top: 12px;
}

/* 日程视觉图 */
.schedule-figure {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 12px;
}

.schedule-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.schedule-figure figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  padding: 8px 4px 0;
}

/* ============================================================
   7. Pages - 更新记录页 (updates)
   ============================================================ */

.section-lead {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.section-lead a {
  font-weight: 600;
}

/* 日期分组 */
.update-day-group {
  margin-bottom: 24px;
}

.update-day-group h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-line-blue);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 12px;
}

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

.update-list .update-item {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  gap: 12px;
}

.update-thumb {
  width: 48px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.update-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text-dark);
}

.update-date {
  font-size: 13px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* 更早记录 */
.earlier-updates-section .collapse-panel {
  margin-top: 8px;
}

.earlier-update-list {
  padding: 8px 0;
}

.earlier-update-list li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-bg-gray);
  font-size: 14px;
}

.earlier-update-list li:last-child {
  border-bottom: none;
}

.earlier-title {
  color: var(--color-text-dark);
  font-weight: 500;
}

.earlier-date {
  color: var(--color-text-secondary);
  font-size: 13px;
}

/* 状态标签说明 */
.status-tag-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.status-tag-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--color-border);
}

.tag-sample {
  display: inline-block;
  margin-bottom: 8px;
}

.status-tag-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ============================================================
   8. Pages - 阅读指南页 (guide)
   ============================================================ */

.guide-media {
  margin-bottom: 24px;
}

.guide-media img {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: var(--radius);
}

.guide-media figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  padding: 8px 4px 0;
}

/* 四步骤 */
.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.step-item {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 24px;
  border-left: 4px solid var(--color-line-blue);
}

.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-line-blue);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.step-item ul {
  list-style: disc;
  padding-left: 20px;
}

.step-item ul li {
  font-size: 14px;
  color: var(--color-text-dark);
  padding: 2px 0;
}

.step-item ul li a {
  font-weight: 600;
}

/* 栏目对应表 */
.guide-table-section {
  margin-bottom: 32px;
}

.guide-table {
  background-color: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.guide-table td {
  font-size: 14px;
}

/* 版权 */
.guide-copyright {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 24px;
}

.guide-copyright h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.guide-copyright p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

/* ============================================================
   9. Pages - 专题档案页 (topic)
   ============================================================ */

.topic-section {
  margin-bottom: 16px;
}

.topic-section > p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.topic-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
  overflow: hidden;
}

.topic-card-header {
  background-color: var(--color-line-blue);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.topic-badge {
  background-color: var(--color-line-orange);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

.topic-card-header h2 {
  color: var(--color-white);
  font-size: 18px;
  margin: 0;
}

.topic-editorial,
.topic-works,
.topic-related {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-bg-gray);
}

.topic-editorial:last-child,
.topic-works:last-child,
.topic-related:last-child {
  border-bottom: none;
}

.topic-editorial h3,
.topic-works h3,
.topic-related h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-line-blue);
  margin-bottom: 12px;
}

.topic-editorial p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.topic-works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.topic-work-item {
  background-color: var(--color-bg-gray);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform var(--transition);
}

.topic-work-item:hover {
  transform: translateY(-2px);
}

.topic-work-item img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.topic-work-item figcaption {
  font-size: 14px;
  font-weight: 600;
  padding: 8px 10px;
  text-align: center;
  color: var(--color-text-dark);
}

.topic-works > p {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 12px;
}

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.topic-tags a {
  font-size: 13px;
  background-color: var(--color-bg-gray);
  padding: 4px 12px;
  border-radius: 16px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.topic-tags a:hover {
  background-color: var(--color-line-blue);
  color: var(--color-white);
  border-color: var(--color-line-blue);
}

.topic-related > p {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

/* 专题说明 */
.topic-note {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-top: 24px;
}

.topic-note h2 {
  font-size: 18px;
  color: var(--color-line-blue);
  margin-bottom: 12px;
}

.topic-note p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.topic-note a {
  font-weight: 600;
}

/* ============================================================
   10. Pages - 关于本站页 (about)
   ============================================================ */

.about-section {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 24px;
}

.about-section h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-line-blue);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-bg-gray);
}

.about-section p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.about-section p:last-child {
  margin-bottom: 0;
}

.scope-list {
  list-style: disc;
  padding-left: 20px;
  margin-top: 8px;
}

.scope-list li {
  font-size: 14px;
  color: var(--color-text-dark);
  padding: 3px 0;
}

.about-media {
  margin-top: 16px;
}

.about-media img {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.about-media figcaption {
  font-size: 13px;
  color: var(--color-text-secondary);
  padding: 8px 4px 0;
}

.update-summary-list {
  margin-top: 8px;
}

.update-summary-list li {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--color-bg-gray);
  font-size: 14px;
}

.update-summary-list li:last-child {
  border-bottom: none;
}

.field-table {
  margin-top: 8px;
}

/* ============================================================
   11. Pages - 404 错误页
   ============================================================ */

.error-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.error-content {
  max-width: 480px;
  text-align: center;
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.error-code {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-line-blue);
  line-height: 1;
  margin-bottom: 16px;
}

.error-content h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.error-home {
  display: inline-block;
  background-color: var(--color-line-blue);
  color: var(--color-white);
  padding: 10px 32px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  transition: background-color var(--transition);
}

.error-home:hover {
  background-color: var(--color-line-blue-dark);
  color: var(--color-white);
}

.error-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.error-links a {
  font-size: 14px;
  font-weight: 600;
}

/* ============================================================
   12. Responsive - 响应式断点
   ============================================================ */

/* 桌面中等 (≤1200px) */
@media (max-width: 1200px) {
  .layout-shell,
  .page-layout {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* 平板 (≤1024px) */
@media (max-width: 1024px) {
  .layout-shell,
  .page-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar-left .sidebar,
  .sidebar-left .sidebar-tree,
  .sidebar-left .sidebar-tree-inner,
  .sidebar-left .inner-main {
    grid-column: 1;
  }

  /* 侧栏在平板下移到主内容下方 */
  .sidebar-left .sidebar,
  .sidebar-left .sidebar-tree,
  .sidebar-left .sidebar-tree-inner {
    grid-row: 2;
  }

  .sidebar-left .inner-main {
    grid-row: 1;
  }

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

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

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

  .week-grid {
    overflow-x: auto;
    grid-template-columns: repeat(7, 90px);
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-entries {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .entry-card {
    flex: 1;
    min-width: 200px;
  }
}

/* 手机 (≤768px) */
@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
  }

  /* 汉堡菜单 */
  .nav-toggle {
    display: flex;
  }

  .nav-list {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-line-blue);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    display: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list li a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
  }

  .nav-list li a.is-current {
    background-color: rgba(255, 255, 255, 0.12);
  }

  /* 页脚 */
  .footer-columns {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 32px 16px 16px;
  }

  .footer-bottom {
    padding: 12px 16px;
  }

  /* 内页 */
  .layout-shell,
  .page-layout {
    padding: 16px 16px 40px;
  }

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

  .page-title {
    font-size: 24px;
  }

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

  /* 首页 Hero */
  .hero-section {
    padding: 24px 0;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }

  .hero-entries {
    flex-direction: column;
  }

  .entry-card {
    min-width: 0;
  }

  .hero-visual img {
    aspect-ratio: 16 / 9;
  }

  /* 首页模块 */
  .line-section,
  .cover-section,
  .ranking-section,
  .schedule-preview-section,
  .guide-section,
  .notice-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .line-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cover-wall {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .guide-steps {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .week-grid {
    grid-template-columns: repeat(7, 80px);
    overflow-x: auto;
  }

  /* 作品网格 */
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .filter-group {
    gap: 6px;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 13px;
    min-height: 36px;
  }

  /* 更新日程 */
  .frequency-cards {
    grid-template-columns: 1fr;
  }

  .status-tag-grid {
    grid-template-columns: 1fr;
  }

  .topic-works-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .topic-card-header {
    padding: 12px 16px;
  }

  .topic-editorial,
  .topic-works,
  .topic-related {
    padding: 16px;
  }

  .update-thumb {
    width: 40px;
    height: 54px;
  }

  .update-date {
    font-size: 12px;
  }

  .guide-steps {
    grid-template-columns: 1fr;
  }

  .step-card p {
    min-height: 0;
  }

  .step-item {
    padding: 16px;
  }

  .about-section {
    padding: 16px;
  }
}

/* 小手机 (≤480px) */
@media (max-width: 480px) {
  .line-grid {
    grid-template-columns: 1fr;
  }

  .cover-wall {
    grid-template-columns: 1fr 1fr;
  }

  .works-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-updates .update-item {
    padding: 8px 12px;
  }

  .update-item .time {
    min-width: 40px;
    font-size: 12px;
  }

  .update-item .work-title {
    font-size: 13px;
  }

  .update-item .tag {
    font-size: 11px;
  }

  .week-schedule-table {
    min-width: 560px;
  }

  .topic-works-grid {
    grid-template-columns: 1fr;
  }

  .guide-steps {
    grid-template-columns: 1fr;
  }

  .status-tag-grid {
    grid-template-columns: 1fr;
  }

  .frequency-cards {
    grid-template-columns: 1fr;
  }
}