/* ==========================================================================
   羞羞漫画网 - 全站样式
   设计方向：公共交通风 / 地铁线路图
   配色：深蓝 #1a2a3a、亮黄 #f5c518、白 #fff、浅灰 #e8e8e8、正文 #333
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base - 基础重置与全局变量
   -------------------------------------------------------------------------- */
:root {
  --color-primary: #1a2a3a;
  --color-accent: #f5c518;
  --color-white: #ffffff;
  --color-light-gray: #e8e8e8;
  --color-text: #333333;
  --color-text-light: #5a6b7a;
  --color-border: #d0d7de;
  --color-bg-soft: #f4f6f8;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --transition-base: 0.2s ease;
  --sidebar-width: 240px;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: #0f1a26;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

table {
  border-collapse: collapse;
  width: 100%;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Layout - 全站骨架
   -------------------------------------------------------------------------- */

/* 首页 body 标识 */
.site-home {
  background-color: var(--color-white);
}

/* 内页 body 标识 */
.site-inner {
  background-color: var(--color-bg-soft);
}

/* 404 页面 body 标识 */
.site-error {
  background-color: var(--color-white);
}

/* 页头 */
.site-header {
  background-color: var(--color-primary);
  border-bottom: 3px solid var(--color-accent);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* 品牌 */
.brand-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 1px;
}

.brand-name::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  margin-right: 6px;
  border-radius: 2px;
}

.brand-slogan {
  font-size: 13px;
  color: #a0b0c0;
  letter-spacing: 0.5px;
}

.brand-link:hover .brand-name {
  color: var(--color-accent);
}

/* 主导航 */
.site-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  gap: 4px;
}

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: #c0ccd6;
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), background-color var(--transition-base);
}

.nav-list li a:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

.nav-list li a.is-current {
  color: var(--color-primary);
  background-color: var(--color-accent);
  font-weight: 600;
}

/* 汉堡按钮 - 桌面隐藏 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-primary);
  color: #c0ccd6;
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 20px 24px;
}

.footer-brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  color: #8a9baa;
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 24px;
}

.footer-nav ul li a {
  font-size: 14px;
  color: #a0b0c0;
  padding: 4px 0;
}

.footer-nav ul li a:hover {
  color: var(--color-accent);
}

.footer-copy {
  font-size: 13px;
  color: #6a7a8a;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
}

/* 主内容区 */
.site-main {
  min-height: 60vh;
}

/* 内页主内容 */
.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 40px;
}

/* 面包屑 */
.breadcrumb {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: #a0aab4;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-light-gray);
}

.page-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 720px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Layout - 侧栏布局系统
   -------------------------------------------------------------------------- */

/* 侧栏在左（主要内页布局） */
.sidebar-left {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

/* 侧栏在左时，DOM 顺序是 aside 在前、section 在后 */
.sidebar-left > aside,
.sidebar-left > .categories-sidebar,
.sidebar-left > .toc,
.sidebar-left > .toc-sidebar,
.sidebar-left > .week-nav,
.sidebar-left > .feedback-types {
  grid-column: 1;
}

.sidebar-left > .content-area,
.sidebar-left > .content,
.sidebar-left > .page-content {
  grid-column: 2;
}

/* 侧栏通用样式 */
.sidebar-title,
.toc-title,
.aside-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: 16px;
}

.categories-sidebar,
.toc,
.toc-sidebar,
.week-nav,
.feedback-types {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

/* 侧栏列表 */
.category-tag-list li,
.toc-list li,
.week-list li,
.type-list li {
  margin-bottom: 4px;
}

.category-tag-list li a,
.toc-list li a,
.week-list li a,
.type-list li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.category-tag-list li a:hover,
.toc-list li a:hover,
.week-list li a:hover,
.type-list li a:hover {
  background-color: var(--color-bg-soft);
  border-left-color: var(--color-accent);
  color: var(--color-primary);
}

/* 侧栏备注 */
.sidebar-note,
.aside-note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-light-gray);
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.sidebar-note a,
.aside-note a {
  color: var(--color-primary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Components - 通用组件
   -------------------------------------------------------------------------- */

/* 漫画封面卡片（通用） */
.genre-card,
.update-item,
.entry-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.genre-card:hover,
.update-item:hover,
.entry-card:hover {
  box-shadow: 0 4px 12px rgba(26, 42, 58, 0.1);
  transform: translateY(-2px);
}

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

/* 文字链接 */
.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 6px 0;
  border-bottom: 2px solid var(--color-accent);
  transition: color var(--transition-base);
}

.text-link:hover {
  color: #0f1a26;
}

/* 通用列表 */
.plain-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-light-gray);
  font-size: 15px;
}

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

.plain-list li strong {
  color: var(--color-primary);
  margin-right: 8px;
}

/* 链接列表 */
.link-list li,
.related-list li {
  margin-bottom: 8px;
}

.link-list li a,
.related-list li a {
  display: inline-block;
  font-size: 15px;
  color: var(--color-primary);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.link-list li a:hover,
.related-list li a:hover {
  border-bottom-color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Components - 首页模块
   -------------------------------------------------------------------------- */

/* 首页主区 */
.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px 40px;
}

/* 首屏 Hero */
.home-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  padding: 48px 0 40px;
  border-bottom: 3px solid var(--color-primary);
  margin-bottom: 40px;
}

.hero-copy h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-copy p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 520px;
}

.hero-cta {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border-bottom: 3px solid var(--color-accent);
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.hero-cta:hover {
  background-color: #0f1a26;
  color: var(--color-white);
  transform: translateY(-1px);
}

.hero-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* 最近更新 */
.recent-updates {
  margin-bottom: 48px;
}

.recent-updates > h2,
.category-nav > h2,
.calendar-preview > h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.update-group {
  margin-bottom: 28px;
}

.update-group h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-light);
  background-color: var(--color-bg-soft);
  padding: 8px 16px;
  border-left: 4px solid var(--color-primary);
  margin-bottom: 16px;
}

.update-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.update-item {
  display: flex;
  gap: 12px;
  padding: 12px;
}

.update-item img {
  width: 80px;
  height: 106px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.update-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}

.update-info a {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.update-status {
  font-size: 13px;
  color: var(--color-text-light);
  background-color: var(--color-bg-soft);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
}

/* 题材分类导航带 */
.category-nav {
  margin-bottom: 48px;
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.category-tags li a {
  display: inline-block;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.category-tags li a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* 更新日历预览 */
.calendar-preview {
  margin-bottom: 48px;
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 24px;
}

.calendar-preview > p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.mini-calendar {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.mini-calendar th {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 4px;
  text-align: center;
}

.mini-calendar td {
  font-size: 14px;
  text-align: center;
  padding: 10px 4px;
  border-bottom: 1px solid var(--color-light-gray);
  color: var(--color-text-light);
}

.mini-calendar td:last-child {
  border-bottom: none;
}

.mini-calendar td.has-updates {
  background-color: rgba(245, 197, 24, 0.15);
  font-weight: 600;
  color: var(--color-primary);
}

.mini-calendar td.has-updates::after {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
  margin: 2px auto 0;
}

/* 入口卡片 */
.entry-cards,
.guide-entry {
  margin-bottom: 40px;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.entry-card {
  padding: 24px;
  border-left: 4px solid var(--color-accent);
}

.entry-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.entry-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.entry-card a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

/* --------------------------------------------------------------------------
   Components - 内页通用模块
   -------------------------------------------------------------------------- */

/* 内容区卡片容器 */
.content-area {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  min-width: 0;
}

/* 内容区块 */
.content-block,
.content-section,
.genre-block {
  margin-bottom: 40px;
}

.content-block:last-child,
.content-section:last-child,
.genre-block:last-child {
  margin-bottom: 0;
}

.content-block h2,
.content-section h2,
.genre-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: 16px;
}

.content-block p,
.content-section p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
}

/* 图片容器 */
.guide-figure,
.collection-figure,
.feedback-figure {
  margin: 20px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.guide-figure img,
.collection-figure img,
.feedback-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.guide-figure figcaption,
.collection-figure figcaption,
.feedback-figure figcaption {
  font-size: 13px;
  color: var(--color-text-light);
  padding: 10px 16px;
  background-color: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
}

/* 步骤列表 */
.steps-list,
.step-list,
.process-steps {
  margin: 20px 0;
  counter-reset: step-counter;
}

.steps-list li,
.step-list li,
.process-steps li {
  position: relative;
  padding: 20px 20px 20px 56px;
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  counter-increment: step-counter;
}

.steps-list li::before,
.step-list li::before,
.process-steps li .step-number {
  position: absolute;
  left: 16px;
  top: 20px;
  width: 28px;
  height: 28px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.steps-list li::before,
.step-list li::before {
  content: counter(step-counter);
}

.steps-list li h3,
.step-list li h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.steps-list li p,
.step-list li p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 提示列表 */
.tips-list li {
  padding: 10px 16px;
  background-color: var(--color-bg-soft);
  border-left: 3px solid var(--color-accent);
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.6;
}

/* 管理列表 */
.manage-list li {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-light-gray);
  font-size: 15px;
  line-height: 1.6;
}

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

.manage-list li strong {
  color: var(--color-primary);
}

/* 内联引导 */
.inline-guide {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 32px;
  border-left: 4px solid var(--color-accent);
}

.inline-guide p {
  font-size: 15px;
  margin-bottom: 8px;
}

.inline-guide a {
  display: inline-block;
  margin-right: 16px;
  font-weight: 600;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

/* --------------------------------------------------------------------------
   Pages - 题材分类页
   -------------------------------------------------------------------------- */

.page-categories .genre-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.page-categories .genre-header h2 {
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.page-categories .genre-desc {
  font-size: 14px;
  color: var(--color-text-light);
  flex: 1;
  min-width: 200px;
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.genre-card {
  padding: 12px;
}

.genre-card img {
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.genre-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.genre-card p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Pages - 阅读指南页
   -------------------------------------------------------------------------- */

.page-guide .guide-content {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  min-width: 0;
}

/* --------------------------------------------------------------------------
   Pages - 更新日历页
   -------------------------------------------------------------------------- */

/* 星期导航 */
.week-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.week-list li a::after {
  content: attr(data-count);
  font-size: 12px;
  background-color: var(--color-bg-soft);
  padding: 2px 8px;
  border-radius: 10px;
  color: var(--color-text-light);
}

/* 星期网格 */
.week-grid {
  margin-bottom: 40px;
}

.week-grid h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: 16px;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
}

.day-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 8px;
  text-align: center;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.day-card:hover {
  border-color: var(--color-accent);
  background-color: var(--color-bg-soft);
}

.day-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.day-count {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--color-accent);
}

/* 每日更新列表 */
.daily-updates {
  margin-bottom: 40px;
}

.daily-updates h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: 20px;
}

.update-day {
  margin-bottom: 24px;
}

.update-day h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-light);
  background-color: var(--color-bg-soft);
  padding: 8px 16px;
  border-left: 4px solid var(--color-primary);
  margin-bottom: 12px;
}

.update-day .update-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.update-item .update-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.update-item .update-chapter {
  font-size: 13px;
  color: var(--color-text-light);
}

/* 日历指南备注 */
.calendar-guide-note {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  border-left: 4px solid var(--color-accent);
}

.calendar-guide-note h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.calendar-guide-note p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 8px;
}

.calendar-guide-note a {
  display: inline-block;
  margin-right: 16px;
  font-weight: 600;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

/* --------------------------------------------------------------------------
   Pages - 收藏说明页
   -------------------------------------------------------------------------- */

.page-collection .content-area {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}

/* 提示卡片网格 */
.tip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.tip-card {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 20px;
  border-top: 3px solid var(--color-accent);
}

.tip-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.tip-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 相关链接区 */
.related-links {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 2px solid var(--color-light-gray);
}

.related-links h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.related-links p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

/* --------------------------------------------------------------------------
   Pages - 问题反馈页
   -------------------------------------------------------------------------- */

.page-feedback .content {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  min-width: 0;
}

/* 反馈类型区块 */
.feedback-types-section {
  margin-bottom: 40px;
}

.feedback-types-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: 16px;
}

.feedback-types-section > p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.type-item {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  border-left: 4px solid var(--color-primary);
}

.type-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.type-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 反馈流程 */
.feedback-process h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: 16px;
}

.feedback-process > p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.process-steps li {
  padding-left: 64px;
}

.process-steps li .step-number {
  left: 16px;
  top: 20px;
}

.step-content {
  min-width: 0;
}

.step-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 反馈页相关链接 */
.page-feedback .related-links {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 2px solid var(--color-light-gray);
}

.page-feedback .related-links h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-feedback .related-links p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

/* 反馈页图片 */
.feedback-figure {
  margin-top: 32px;
}

/* --------------------------------------------------------------------------
   Pages - 404 错误页
   -------------------------------------------------------------------------- */

.error-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 80px 20px;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 48px 40px;
  text-align: center;
  max-width: 520px;
  width: 100%;
}

.error-code {
  font-size: 64px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

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

.error-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 24px;
}

.error-action {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  border-bottom: 3px solid var(--color-accent);
  transition: background-color var(--transition-base);
}

.error-action:hover {
  background-color: #0f1a26;
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Responsive - 响应式适配
   -------------------------------------------------------------------------- */

/* 平板及以下 */
@media (max-width: 1024px) {
  .home-hero {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-figure {
    max-width: 640px;
  }

  .update-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .genre-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .day-card:nth-child(n + 5) {
    display: none;
  }

  .tip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 手机端 */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .header-inner {
    padding: 0 16px;
    height: var(--header-height);
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-slogan {
    display: none;
  }

  /* 汉堡按钮显示 */
  .nav-toggle {
    display: flex;
    z-index: 110;
  }

  /* 导航列表收起 */
  .nav-list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    flex-direction: column;
    padding: 8px 16px 16px;
    border-bottom: 3px solid var(--color-accent);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }

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

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

  .nav-list li a.is-current {
    background-color: var(--color-accent);
    color: var(--color-primary);
  }

  /* 侧栏布局切换：正文在前，侧栏在后 */
  .sidebar-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .sidebar-left > aside,
  .sidebar-left > .categories-sidebar,
  .sidebar-left > .toc,
  .sidebar-left > .toc-sidebar,
  .sidebar-left > .week-nav,
  .sidebar-left > .feedback-types {
    order: 2;
    position: static;
    width: 100%;
  }

  .sidebar-left > .content-area,
  .sidebar-left > .content,
  .sidebar-left > .page-content {
    order: 1;
    width: 100%;
  }

  /* 首页移动端顺序：分类导航在最近更新前 */
  .home-main {
    padding: 0 16px 32px;
  }

  .home-hero {
    padding: 32px 0 24px;
  }

  .hero-copy h1 {
    font-size: 28px;
  }

  .hero-copy p {
    font-size: 15px;
  }

  .recent-updates {
    order: 2;
  }

  .category-nav {
    order: 1;
  }

  .update-list {
    grid-template-columns: 1fr;
  }

  .update-item {
    padding: 10px;
  }

  .update-item img {
    width: 72px;
    height: 96px;
  }

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

  .mini-calendar th,
  .mini-calendar td {
    font-size: 12px;
    padding: 6px 2px;
  }

  /* 内页 */
  .inner-main {
    padding: 16px 16px 32px;
  }

  .page-title {
    font-size: 26px;
  }

  .page-description {
    font-size: 15px;
  }

  .content-area,
  .guide-content,
  .page-feedback .content,
  .page-collection .content-area {
    padding: 20px 16px;
  }

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

  .genre-header {
    flex-direction: column;
    gap: 8px;
  }

  .genre-desc {
    min-width: 0;
  }

  .grid-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .day-card:nth-child(n + 4) {
    display: none;
  }

  .update-day .update-list {
    grid-template-columns: 1fr;
  }

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

  .steps-list li,
  .step-list li,
  .process-steps li {
    padding-left: 48px;
  }

  .steps-list li::before,
  .step-list li::before,
  .process-steps li .step-number {
    left: 12px;
    width: 24px;
    height: 24px;
    font-size: 13px;
  }

  /* 页脚 */
  .footer-inner {
    padding: 32px 16px 20px;
  }

  .footer-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .footer-nav ul li a {
    padding: 6px 0;
    font-size: 15px;
  }

  /* 404 */
  .error-main {
    padding: 48px 16px;
  }

  .error-panel {
    padding: 32px 20px;
  }

  .error-code {
    font-size: 48px;
  }
}

/* 小屏手机 */
@media (max-width: 390px) {
  .update-item img {
    width: 64px;
    height: 85px;
  }

  .update-info a {
    font-size: 14px;
  }

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

  .category-tags {
    gap: 8px;
  }

  .category-tags li a {
    padding: 6px 14px;
    font-size: 14px;
  }

  .mini-calendar th,
  .mini-calendar td {
    font-size: 11px;
    padding: 5px 1px;
  }

  .grid-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .day-card:nth-child(n + 3) {
    display: none;
  }

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

  .content-block h2,
  .content-section h2,
  .genre-header h2,
  .week-grid h2,
  .daily-updates h2,
  .feedback-types-section h2,
  .feedback-process h2 {
    font-size: 20px;
  }
}