/* ============================================================
   yy漫画首页登录入口页面在哪里 · 全站样式表
   柔和科技风 · 浅灰白底 · 青绿色状态色
   ============================================================ */

/* ------------------------------------------------------------
   1. Base — 基础变量、重置、字体、通用元素
   ------------------------------------------------------------ */
:root {
  --color-bg: #f5f7fa;
  --color-card: #ffffff;
  --color-text: #2c3e50;
  --color-primary: #1abc9c;
  --color-primary-dark: #16a085;
  --color-status-red: #e74c3c;
  --color-status-yellow: #f39c12;
  --color-link: #3498db;
  --color-border: #e3e8ef;
  --color-muted: #6b7a8d;
  --color-light: #f0f4f7;

  --radius-sm: 4px;
  --radius-md: 8px;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "PingFang SC", "Microsoft YaHei", sans-serif;

  --container-wide: 1200px;
  --container-main: 960px;
  --container-sidebar: 300px;

  --header-height: 64px;
  --space-section: 48px;
}

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

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

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;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 20px;
}

p {
  margin-bottom: 1em;
}

/* ------------------------------------------------------------
   2. Layout — 全局布局骨架、容器、页头、页脚
   ------------------------------------------------------------ */

/* 全站统一容器 */
.header-inner,
.footer-inner,
.layout-shell,
.page-layout.layout-shell,
.page-layout {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---- 页头 ---- */
.site-header {
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  flex-shrink: 0;
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: background-color 0.2s ease;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-list a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-list a:hover {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
}

.nav-list a.is-current {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
}

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

.inner-main {
  padding-top: 32px;
  padding-bottom: 56px;
}

/* ---- 面包屑 ---- */
.breadcrumb {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

.breadcrumb-sep {
  color: #b8c2cc;
  margin: 0 2px;
}

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

/* ---- 页面标题区 ---- */
.page-header {
  margin-bottom: 36px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 12px;
}

.page-description {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 760px;
  line-height: 1.7;
}

/* ---- 页脚 ---- */
.site-footer {
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
  padding-top: 48px;
  margin-top: 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 36px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.footer-col ul a:hover {
  color: var(--color-primary-dark);
}

.footer-slogan {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-top: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-muted);
  margin: 0;
}

/* ---- 内页布局骨架：主内容 + 侧栏 ---- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--container-sidebar);
  gap: 32px;
  align-items: start;
  padding-top: 32px;
  padding-bottom: 56px;
}

.layout-shell {
  padding-top: 0;
  padding-bottom: 0;
}

.page-layout.layout-shell {
  padding-top: 0;
  padding-bottom: 0;
}

/* 主内容列 */
.main-content,
.main-col {
  min-width: 0;
}

/* 侧栏 */
.sidebar-content,
.sidebar,
.aside-col,
.related-aside,
.aside-related {
  min-width: 0;
}

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

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease, transform 0.2s ease;
  min-height: 44px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-primary-dark);
}

.btn-ghost:hover {
  background-color: var(--color-light);
  color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-link);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: #2980b9;
  color: #ffffff;
}

/* ---- 区块标题 ---- */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 720px;
}

/* ---- 状态标签 ---- */
.status-label,
.status-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
}

.status-serial {
  background-color: rgba(241, 196, 15, 0.15);
  color: #b7950b;
}

.status-end,
.status-done {
  background-color: var(--color-light);
  color: var(--color-muted);
}

/* ---- 侧栏卡片 ---- */
.sidebar-card,
.aside-card,
.sidebar-block,
.related-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-title,
.aside-title,
.related-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
}

.sidebar-links li,
.aside-list li,
.related-links li {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.6;
}

.sidebar-links a,
.aside-list a,
.related-links a {
  color: var(--color-muted);
}

.sidebar-links a:hover,
.aside-list a:hover,
.related-links a:hover {
  color: var(--color-primary-dark);
}

.sidebar-text,
.related-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ---- 文字链接 ---- */
.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-top: 8px;
}

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

/* ============================================================
   4. Pages — 首页
   ============================================================ */

/* ---- 首屏 Hero ---- */
.hero-section {
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: 56px 0;
}

.hero-section .hero-content,
.hero-section .hero-figure {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.hero-section {
  display: block;
}

.hero-content {
  max-width: 640px;
  margin-bottom: 0;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-figure {
  margin-top: 32px;
}

.hero-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
  aspect-ratio: 16 / 8;
}

/* ---- 入口位置说明 ---- */
.entry-location {
  padding: var(--space-section) 24px;
  max-width: var(--container-wide);
  margin: 0 auto;
}

.entry-location-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.entry-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.entry-text p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.entry-text p:last-child {
  margin-bottom: 0;
}

/* ---- 题材分类导航 ---- */
.category-nav {
  padding: var(--space-section) 24px;
  max-width: var(--container-wide);
  margin: 0 auto;
}

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

.tag-chip {
  display: inline-block;
  padding: 10px 22px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
}

.tag-chip:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* ---- 最近更新速览 ---- */
.updates-preview {
  padding: var(--space-section) 24px;
  max-width: var(--container-wide);
  margin: 0 auto;
}

.update-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-update {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-update:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(44, 62, 80, 0.08);
}

.card-update a {
  display: block;
}

.card-update img {
  width: 100%;
  border-radius: var(--radius-sm);
  object-fit: cover;
  aspect-ratio: 3 / 4;
  margin-bottom: 12px;
}

.card-update h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

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

/* ---- 人气榜单预览 ---- */
.ranking-preview {
  padding: var(--space-section) 24px;
  max-width: var(--container-wide);
  margin: 0 auto;
}

.ranking-preview .ranking-list {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 24px;
  margin-bottom: 24px;
}

.ranking-preview .ranking-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.ranking-preview .rank-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  width: 32px;
  text-align: center;
  flex-shrink: 0;
}

.ranking-preview .ranking-item img {
  width: 48px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.ranking-preview .rank-info {
  flex: 1;
  min-width: 0;
}

.ranking-preview .rank-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.ranking-preview .rank-info p {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.6;
}

.ranking-preview .btn-ghost {
  display: inline-flex;
  margin-top: 8px;
}

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

.guide-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.guide-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(44, 62, 80, 0.08);
}

.guide-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.guide-card p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ============================================================
   5. Pages — 内页
   ============================================================ */

/* ---- 通用内页容器 ---- */
.inner-main {
  width: 100%;
}

/* 分类页 */
.page-categories .page-layout {
  grid-template-columns: minmax(0, 1fr) var(--container-sidebar);
}

/* 指南页 */
.page-guide .layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--container-sidebar);
  gap: 32px;
  align-items: start;
  padding-top: 0;
  padding-bottom: 56px;
}

.page-guide .main-col {
  min-width: 0;
}

.page-guide .aside-col {
  min-width: 0;
}

/* 更新页 */
.page-updates .page-layout {
  grid-template-columns: minmax(0, 1fr) var(--container-sidebar);
}

/* 榜单页 */
.page-ranking .page-layout {
  grid-template-columns: minmax(0, 1fr) var(--container-sidebar);
}

/* 技巧页 */
.page-tips .layout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--container-sidebar);
  gap: 32px;
  align-items: start;
  padding-top: 0;
  padding-bottom: 56px;
}

.page-tips .main-col {
  min-width: 0;
}

/* ---- 分类页：分类索引 ---- */
.category-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.category-chip {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
}

.category-chip:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* ---- 分类页：分类详情 ---- */
.category-detail-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.category-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(44, 62, 80, 0.08);
}

.category-card-media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.category-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.category-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.category-card-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

.category-card-tip {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

/* ---- 分类页：使用提示 ---- */
.usage-steps {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  counter-reset: usage-step;
}

.usage-steps li {
  counter-increment: usage-step;
  position: relative;
  padding-left: 44px;
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
}

.usage-steps li:last-child {
  margin-bottom: 0;
}

.usage-steps li::before {
  content: counter(usage-step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 28px;
  height: 28px;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- 指南页：步骤区块 ---- */
.guide-section {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
}

.guide-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
}

.guide-section p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}

.guide-figure {
  margin: 20px 0;
}

.guide-figure img {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.guide-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
  padding: 10px 0 0;
  line-height: 1.6;
}

/* 指南相关链接 */
.guide-related {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  margin-top: 8px;
}

.guide-related h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.guide-related p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
}

.guide-related a {
  font-weight: 600;
  margin-right: 16px;
}

/* ---- 更新页：更新列表 ---- */
.update-list-wrap {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-bottom: 32px;
}

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

.update-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.update-thumb {
  width: 56px;
  height: 72px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

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

.update-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}

.update-meta {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 6px;
}

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

/* ---- 更新页：状态说明 ---- */
.status-legend {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-bottom: 32px;
}

.legend-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

.legend-item {
  padding: 16px;
  background-color: var(--color-light);
  border-radius: var(--radius-sm);
}

.legend-item .status-tag {
  margin-bottom: 8px;
}

.legend-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-top: 8px;
}

.legend-note {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-top: 16px;
}

.legend-note a {
  font-weight: 600;
  margin-right: 12px;
}

/* ---- 更新页：提示 ---- */
.update-tip {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}

.update-tip h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.update-tip p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
}

.update-tip a {
  font-weight: 600;
  margin-right: 12px;
}

/* ---- 榜单页：榜单列表 ---- */
.ranking-module {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-bottom: 32px;
}

.ranking-module .ranking-list {
  display: flex;
  flex-direction: column;
}

.ranking-module .ranking-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.ranking-card {
  display: flex;
  align-items: center;
  gap: 16px;
}

.rank-number {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  width: 32px;
  text-align: center;
  flex-shrink: 0;
}

.rank-cover {
  width: 56px;
  height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background-color: var(--color-light);
}

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

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

.rank-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}

.rank-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-muted);
  background-color: var(--color-light);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
}

.rank-reason {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

/* ---- 榜单页：编辑推荐 ---- */
.editor-picks-module {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-bottom: 32px;
}

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

.pick-card {
  background-color: var(--color-light);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: left;
}

.pick-cover {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
}

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

.pick-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.pick-type {
  font-size: 13px;
  color: var(--color-primary-dark);
  font-weight: 500;
  margin-bottom: 8px;
}

.pick-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
}

/* ---- 榜单页：相关链接 ---- */
.related-links-module {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}

.related-links-module .related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links-module .related-links li {
  margin: 0;
}

.related-links-module .related-links a {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-light);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.related-links-module .related-links a:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* ---- 技巧页 ---- */
.tips-section {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
}

.tips-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
}

.tips-section p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}

.tips-figure {
  margin: 20px 0;
}

.tips-figure img {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.tips-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
  padding: 10px 0 0;
  line-height: 1.6;
}

/* 技巧页右侧相关阅读 */
.page-tips .aside-related {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.page-tips .aside-related .aside-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
}

.page-tips .aside-related .related-links li {
  margin-bottom: 10px;
  font-size: 14px;
}

.page-tips .aside-related .related-links a {
  color: var(--color-muted);
}

.page-tips .aside-related .related-links a:hover {
  color: var(--color-primary-dark);
}

/* ---- 404 页 ---- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  min-height: 60vh;
}

.error-panel {
  text-align: center;
  max-width: 520px;
  width: 100%;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-panel h1 {
  font-size: 24px;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.error-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* ============================================================
   6. Responsive — 响应式
   ============================================================ */

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

  .footer-brand {
    grid-column: 1 / -1;
  }

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

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

/* ---- 移动端 ---- */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
    --space-section: 36px;
  }

  .header-inner {
    padding-left: 16px;
    padding-right: 16px;
    gap: 12px;
  }

  .brand {
    font-size: 17px;
  }

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

  .site-nav {
    position: relative;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: calc(var(--header-height) - 8px);
    right: -16px;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(44, 62, 80, 0.12);
    padding: 12px 0;
    min-width: 200px;
    gap: 0;
    z-index: 200;
  }

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

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    display: block;
    padding: 12px 24px;
    font-size: 15px;
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .nav-list a:hover {
    background-color: var(--color-light);
    border-left-color: var(--color-primary);
  }

  .nav-list a.is-current {
    background-color: var(--color-light);
    border-left-color: var(--color-primary);
  }

  /* 内页布局：主内容在前，侧栏移到后 */
  .page-layout,
  .page-categories .page-layout,
  .page-updates .page-layout,
  .page-ranking .page-layout,
  .page-guide .layout-shell,
  .page-tips .layout-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar-content,
  .sidebar,
  .aside-col,
  .related-aside,
  .aside-related {
    margin-top: 8px;
  }

  /* 首页 Hero */
  .hero-section {
    padding: 32px 0;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  /* 首页入口说明 */
  .entry-location-inner {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  /* 首页更新卡片 */
  .update-card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 首页指南卡片 */
  .guide-card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 分类详情网格 */
  .category-detail-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 榜单编辑推荐 */
  .editor-picks-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* 更新状态图例 */
  .legend-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 榜单卡片 */
  .ranking-card {
    flex-wrap: wrap;
  }

  .rank-cover {
    width: 48px;
    height: 64px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* 内页标题 */
  .page-title {
    font-size: 26px;
  }

  /* 内页 padding */
  .inner-main {
    padding-top: 24px;
    padding-bottom: 40px;
  }

  .page-layout,
  .layout-shell {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* 指南页、技巧页主列 */
  .page-guide .layout-shell,
  .page-tips .layout-shell {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* 移动端侧栏靠后 */
  .sidebar-content,
  .sidebar,
  .aside-col,
  .related-aside,
  .aside-related {
    order: 2;
  }

  .main-content,
  .main-col {
    order: 1;
  }

  /* 更新条目 */
  .update-item {
    flex-wrap: wrap;
  }

  .update-thumb {
    width: 48px;
    height: 64px;
  }

  /* 404 */
  .error-code {
    font-size: 56px;
  }

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .error-actions .btn {
    width: 100%;
  }
}

/* ---- 小屏手机 ---- */
@media (max-width: 390px) {
  .brand {
    font-size: 15px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

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

  .section-title {
    font-size: 22px;
  }

  .tag-chip,
  .category-chip {
    padding: 8px 16px;
    font-size: 13px;
  }

  .ranking-preview .ranking-item {
    gap: 12px;
  }

  .ranking-preview .rank-num {
    font-size: 18px;
    width: 24px;
  }

  .ranking-preview .ranking-item img {
    width: 40px;
    height: 56px;
  }

  .guide-card {
    padding: 24px;
  }

  .guide-section,
  .tips-section,
  .update-list-wrap,
  .status-legend,
  .update-tip,
  .ranking-module,
  .editor-picks-module,
  .related-links-module {
    padding: 24px 20px;
  }

  .usage-steps {
    padding: 24px 20px;
  }

  .usage-steps li {
    padding-left: 40px;
  }

  .usage-steps li::before {
    width: 24px;
    height: 24px;
    font-size: 13px;
  }

  .update-item {
    gap: 12px;
  }

  .update-thumb {
    width: 44px;
    height: 60px;
  }

  .rank-cover {
    width: 44px;
    height: 60px;
  }
}

/* ---- 暗色模式偏好（仅调整基础色，不改变布局） ---- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a202c;
    --color-card: #2d3748;
    --color-text: #e2e8f0;
    --color-muted: #a0aec0;
    --color-border: #4a5568;
    --color-light: #374151;
  }

  .brand,
  .nav-list a,
  .page-title,
  .section-title,
  h1,
  h2,
  h3 {
    color: var(--color-text);
  }

  .tag-chip,
  .category-chip {
    color: var(--color-text);
  }

  .footer-bottom {
    border-top-color: var(--color-border);
  }

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