/* ==========================================================
   喵趣漫画app官方版 · 整站样式表
   建筑事务所风 · 浅色背景 · 严谨网格 · 窄体标题
   ========================================================== */

/* ==========================================================
   Base · 基础变量与全局重置
   ========================================================== */
:root {
  --color-bg: #f5f5f0;
  --color-text: #2b2b2b;
  --color-accent: #e07a2f;
  --color-accent-dark: #c8651f;
  --color-blue: #3a6ea5;
  --color-blue-dark: #2f5a88;
  --color-card: #ffffff;
  --color-border: #e2e2da;
  --color-muted: #6b6b64;
  --color-footer-bg: #232320;
  --color-footer-text: #b8b8ad;
  --color-footer-heading: #f0f0e8;

  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 5rem;

  --header-height: 64px;
  --transition: 0.25s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

/* ==========================================================
   Layout · 全站共享布局骨架
   ========================================================== */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-bg);
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

/* --- 页头 --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(245, 245, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-shell {
  max-width: var(--container-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

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

/* --- 主导航 --- */
.site-nav {
  display: block;
}

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 0.95rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition);
}

.nav-list li a:hover {
  background-color: rgba(224, 122, 47, 0.08);
  color: var(--color-accent);
}

.nav-list li a.is-current {
  color: var(--color-accent);
  font-weight: 600;
  background-color: rgba(224, 122, 47, 0.06);
}

/* --- 汉堡按钮 --- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

/* --- 页脚 --- */
.site-footer {
  flex-shrink: 0;
  width: 100%;
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.footer-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-group h3.footer-heading {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-footer-heading);
  margin-bottom: 14px;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links li a {
  font-size: 0.9rem;
  color: var(--color-footer-text);
}

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

.footer-copy {
  grid-column: 1 / -1;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: rgba(184, 184, 173, 0.7);
  text-align: center;
}

/* --- 面包屑 --- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}

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

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

.breadcrumb-sep {
  color: #b8b8ad;
}

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

/* --- 内页统一骨架 --- */
.inner-main {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 8px;
}

.page-description {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 720px;
}

/* ==========================================================
   Components · 通用组件
   ========================================================== */

/* --- 区块标题 --- */
.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.section-intro,
.section-lead {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 720px;
}

.section-heading {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* --- 侧栏 --- */
.sidebar {
  flex-shrink: 0;
}

.sidebar-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
}

.sidebar-links li {
  margin-bottom: 6px;
}

.sidebar-links li a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--color-text);
  border-left: 2px solid transparent;
  padding-left: 10px;
  transition: border-color var(--transition), color var(--transition);
}

.sidebar-links li a:hover {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

/* --- 文本链接 --- */
.text-link {
  display: inline-block;
  font-weight: 500;
  color: var(--color-blue);
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.text-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* --- 相关链接 --- */
.related-links {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.related-links-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-right: 8px;
}

.related-links-item {
  font-size: 0.9rem;
  color: var(--color-blue);
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: border-color var(--transition), color var(--transition);
}

.related-links-item:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- 图片容器 --- */
.category-figure,
.guide-figure {
  margin: 24px 0;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.category-figure img,
.guide-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.category-figure figcaption,
.guide-figure figcaption {
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--color-muted);
  background-color: var(--color-card);
}

/* ==========================================================
   Pages · 首页
   ========================================================== */

/* --- 双通道首屏 --- */
.hero-section {
  width: 100%;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.hero-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-copy {
  max-width: 560px;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 480px;
}

.hero-cta {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition);
}

.hero-cta:hover {
  background-color: var(--color-accent-dark);
  color: #fff;
}

.hero-visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.hero-visual img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* --- 题材分类导航带 --- */
.category-strip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 24px;
}

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

.tag-item {
  display: inline-block;
  padding: 10px 24px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color var(--transition), color var(--transition), background-color var(--transition);
}

.tag-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(224, 122, 47, 0.04);
}

/* --- 更新榜单 --- */
.update-ranking {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px;
}

.ranking-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.ranking-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.ranking-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.ranking-item a {
  display: block;
  padding: 0;
}

.ranking-item img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.item-title {
  display: block;
  padding: 10px 12px 2px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-time {
  display: block;
  padding: 0 12px 12px;
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* --- 角色专题预览 --- */
.special-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px;
}

.special-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.special-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.special-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.special-card a {
  display: block;
  padding: 0;
}

.special-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.special-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  padding: 16px 20px 4px;
}

.special-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  padding: 0 20px 20px;
}

/* --- 阅读指南入口 --- */
.guide-entry {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px;
}

.guide-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.guide-card {
  display: block;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.guide-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.guide-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* --- 投稿说明 --- */
.submit-note {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.submit-note p {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  max-width: 720px;
}

/* ==========================================================
   Pages · 分类页
   ========================================================== */

.page-categories .page-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}

.category-index {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  position: sticky;
  top: calc(var(--header-height) + 16px);
}

.aside-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
}

.category-index-list li {
  margin-bottom: 4px;
}

.category-index-list li a {
  display: block;
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition), color var(--transition);
}

.category-index-list li a:hover {
  background-color: rgba(224, 122, 47, 0.06);
  color: var(--color-accent);
}

.category-detail {
  min-width: 0;
}

.category-block {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.category-block h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.category-block p {
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 10px;
}

.category-block .text-link {
  font-size: 0.9rem;
}

/* ==========================================================
   Pages · 阅读指南页
   ========================================================== */

.guide-section {
  margin-bottom: 40px;
}

.guide-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.step-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50%;
  margin-bottom: 12px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-text {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* 阅读设置列表 */
.settings-list {
  margin-top: 16px;
}

.setting-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 12px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.setting-title {
  font-size: 0.95rem;
  font-weight: 600;
  flex-shrink: 0;
  min-width: 100px;
}

.setting-text {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* 相关阅读 */
.related-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.related-list li {
  margin-bottom: 8px;
}

.related-list li a {
  font-size: 0.9rem;
  color: var(--color-blue);
}

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

/* ==========================================================
   Pages · 职场漫画页
   ========================================================== */

.page-workplace .layout-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
}

.page-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 16px);
}

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

/* 时间线列表 */
.timeline-list {
  margin: 20px 0 32px;
  position: relative;
  padding-left: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

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

.timeline-media {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
}

.timeline-media img {
  width: 100%;
  height: 80px;
  object-fit: cover;
}

.timeline-body {
  min-width: 0;
}

.timeline-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.timeline-meta {
  font-size: 0.8rem;
  color: #a0a098;
}

/* 角色专题 */
.character-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.character-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.character-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.character-portrait {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.character-info {
  padding: 16px;
}

.character-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.character-role {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.character-desc {
  font-size: 0.85rem;
  color: var(--color-text);
}

/* 相关推荐 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.related-card {
  display: block;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

.related-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.related-desc {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ==========================================================
   Pages · 生活漫画页
   ========================================================== */

.page-life .page-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 32px;
  align-items: start;
}

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

/* 时间线列表（生活页，ol 结构） */
.timeline-section .timeline-list {
  list-style: none;
}

.timeline-section .timeline-item {
  display: block;
  padding: 0;
  border-bottom: 1px solid var(--color-border);
}

.comic-entry {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  padding: 20px 0;
}

.comic-media {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
}

.comic-media img {
  width: 100%;
  height: 80px;
  object-fit: cover;
}

.comic-info {
  min-width: 0;
}

.comic-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.comic-desc {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.comic-meta {
  font-size: 0.8rem;
  color: #a0a098;
}

/* 角色卡片（生活页） */
.characters-section .character-card {
  text-align: left;
}

.character-body {
  padding: 16px;
}

/* 相关链接（生活页） */
.related-section .related-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  border-top: none;
  padding-top: 0;
}

.related-section .related-links li {
  margin-bottom: 4px;
}

.related-section .related-links li a {
  font-size: 0.9rem;
  color: var(--color-blue);
}

.related-section .related-links li a:hover {
  color: var(--color-accent);
}

/* ==========================================================
   Pages · 404
   ========================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

.error-section {
  text-align: center;
  max-width: 520px;
}

.error-code {
  font-size: 4rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-back {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition);
}

.error-back:hover {
  background-color: var(--color-accent-dark);
  color: #fff;
}

.error-suggest {
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.error-suggest a {
  margin: 0 6px;
}

/* ==========================================================
   Responsive · 响应式断点
   ========================================================== */

/* --- 桌面端（默认） --- */
@media (min-width: 769px) {
  .nav-toggle {
    display: none;
  }

  .nav-list {
    display: flex;
  }
}

/* --- 平板与手机（≤768px） --- */
@media (max-width: 768px) {
  .header-shell {
    padding: 0 16px;
    gap: 12px;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 16px;
    gap: 0;
    z-index: 99;
  }

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

  .nav-list li a {
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0ea;
  }

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

  /* 首页首屏 */
  .hero-shell {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 16px 32px;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-visual img {
    height: 220px;
  }

  /* 通用内页 */
  .inner-main {
    padding: 24px 16px 48px;
  }

  .page-title {
    font-size: 1.5rem;
  }

  /* 首页模块 */
  .category-strip,
  .update-ranking,
  .special-preview,
  .guide-entry,
  .submit-note {
    padding-left: 16px;
    padding-right: 16px;
  }

  .ranking-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .ranking-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
  }

  .ranking-item img {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
  }

  .item-title {
    padding: 0;
    white-space: normal;
  }

  .update-time {
    padding: 0;
  }

  .special-grid,
  .guide-cards {
    grid-template-columns: 1fr;
  }

  /* 分类页 */
  .page-categories .page-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .category-index {
    position: static;
  }

  .category-index-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .category-index-list li {
    margin-bottom: 0;
  }

  /* 阅读指南 */
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .setting-item {
    flex-direction: column;
    gap: 4px;
  }

  /* 职场页 */
  .page-workplace .layout-shell {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-sidebar {
    position: static;
    order: 2;
  }

  .page-content {
    order: 1;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline-media img {
    height: 120px;
  }

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

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

  /* 生活页 */
  .page-life .page-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .sidebar {
    order: 2;
  }

  .content-main {
    order: 1;
  }

  .comic-entry {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .comic-media img {
    height: 120px;
  }

  /* 页脚 */
  .footer-shell {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 0;
  }

  .footer-copy {
    text-align: left;
  }

  /* 404 */
  .error-code {
    font-size: 3rem;
  }
}

/* --- 小屏手机（≤390px） --- */
@media (max-width: 390px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .hero-lead {
    font-size: 0.95rem;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .timeline-media img,
  .comic-media img {
    height: 100px;
  }

  .character-grid,
  .related-grid {
    gap: 12px;
  }
}