/* ============================================================
   歪歪漫画 · 全站样式表
   版本：1.0
   说明：本站为漫画阅读导航站，样式覆盖首页、内页、404 页。
   ============================================================ */

/* ============================================================
   1. Base —— 全局基础
   ============================================================ */
:root {
  --color-bg: #f7f5f0;
  --color-text: #1f2a3a;
  --color-accent: #e8652d;
  --color-link: #3b82c4;
  --color-card: #ffffff;
  --color-border: #e5e0d6;
  --color-muted: #6b7280;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --content-width: 1080px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(31, 42, 58, 0.06);
  --shadow-md: 0 4px 12px rgba(31, 42, 58, 0.08);
  --shadow-lg: 0 8px 24px rgba(31, 42, 58, 0.1);
  --transition-base: 0.2s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -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);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 30px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 20px;
}

p {
  margin-bottom: 0.8em;
}

/* 通用容器 */
.header-inner,
.footer-inner,
.site-main,
.error-main {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ============================================================
   2. Layout —— 全站骨架布局
   ============================================================ */

/* --- 页头 --- */
.site-header {
  background-color: #ffffff;
  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;
  min-height: 64px;
  gap: 16px;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.brand-tag {
  font-size: 13px;
  color: var(--color-muted);
  white-space: nowrap;
}

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

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

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

.nav-list li a:hover {
  background-color: rgba(232, 101, 45, 0.08);
  color: var(--color-accent);
}

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

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle:hover {
  background-color: rgba(31, 42, 58, 0.05);
}

/* --- 主内容区 --- */
.site-main {
  flex: 1;
  padding-top: 32px;
  padding-bottom: 48px;
  width: 100%;
}

/* 内页统一容器 */
.inner-main {
  max-width: var(--content-width);
}

/* --- 页脚 --- */
.site-footer {
  background-color: #1f2a3a;
  color: #cbd5e1;
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-top: 48px;
  padding-bottom: 32px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #94a3b8;
}

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

.footer-links li a {
  font-size: 14px;
  color: #cbd5e1;
  transition: color var(--transition-base);
}

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

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

.footer-bottom p {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 4px;
}

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

/* --- 面包屑 --- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

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

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

.breadcrumb-sep {
  color: #9ca3af;
}

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

/* --- 页面标题区 --- */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 72ch;
}

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

.section-intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 72ch;
}

/* --- 通用链接按钮 --- */
.section-link,
.side-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}

.section-link:hover,
.side-link:hover {
  border-bottom-color: var(--color-accent);
}

/* --- 通用卡片 --- */
.category-card,
.legend-card,
.status-card,
.guide-card,
.step-card,
.summary-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.category-card:hover,
.legend-card:hover,
.status-card:hover,
.guide-card:hover,
.step-card:hover,
.summary-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- 标签云 --- */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  color: var(--color-text);
  background-color: #f0ede6;
  border-radius: 20px;
  border: 1px solid transparent;
  transition: background-color var(--transition-base), color var(--transition-base),
    border-color var(--transition-base);
}

.tag-item a:hover {
  background-color: #ffffff;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- 图片容器 --- */
.category-figure,
.about-figure,
.guide-figure,
.ranking-figure,
.summary-card img {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.category-figure img,
.about-figure img,
.guide-figure img,
.ranking-figure img,
.summary-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- 趋势标识 --- */
.trend-up::before {
  content: "↑";
  color: var(--color-accent);
  font-weight: 700;
  margin-right: 4px;
}

.trend-down::before {
  content: "↓";
  color: #22c55e;
  font-weight: 700;
  margin-right: 4px;
}

.trend-flat::before {
  content: "→";
  color: #9ca3af;
  font-weight: 700;
  margin-right: 4px;
}

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

/* --- Hero 区 --- */
.hero-section {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 32px;
  border: 1px solid var(--color-border);
}

.hero-title {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--color-text);
}

.hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 72ch;
  margin-bottom: 28px;
}

.hero-entries {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.hero-entry-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    border-color var(--transition-base);
}

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

.entry-icon {
  font-size: 28px;
  margin-bottom: 12px;
  line-height: 1;
}

.entry-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.entry-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
}

/* --- 主推封面横幅 --- */
.featured-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
}

.featured-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-content {
  position: relative;
  z-index: 1;
  padding: 40px;
  background: linear-gradient(to top, rgba(31, 42, 58, 0.85), rgba(31, 42, 58, 0.4), transparent);
  width: 100%;
}

.featured-title {
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.featured-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 60ch;
  margin-bottom: 16px;
}

.featured-link {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base);
}

.featured-link:hover {
  background-color: #d55420;
  color: #ffffff;
}

/* --- 首页主体两栏布局 --- */
.home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  margin-bottom: 40px;
}

.home-main-col {
  min-width: 0;
}

.home-side-col {
  min-width: 0;
}

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

.update-list {
  margin: 20px 0;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #f0ede6;
}

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

.update-time {
  font-size: 13px;
  color: var(--color-muted);
  flex-shrink: 0;
  min-width: 80px;
}

.update-cat {
  display: inline-block;
  padding: 2px 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent);
  background-color: rgba(232, 101, 45, 0.08);
  border-radius: 12px;
  flex-shrink: 0;
}

.update-brief {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* --- 侧栏卡片 --- */
.rank-mini-section,
.tag-cloud-section {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.side-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.rank-mini-list {
  margin-bottom: 16px;
}

.rank-mini-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base);
}

.rank-mini-item:hover {
  background-color: var(--color-bg);
}

.rank-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-muted);
  min-width: 24px;
}

.rank-mini-item:nth-child(-n + 3) .rank-num {
  color: var(--color-accent);
}

.rank-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  flex: 1;
}

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

.rank-trend {
  font-size: 13px;
  color: var(--color-muted);
  flex-shrink: 0;
}

/* --- 热门分类区（首页） --- */
.hot-category-section {
  margin-bottom: 40px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.category-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.category-card img.category-cover {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.category-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  padding: 12px 16px 4px;
  display: block;
}

.category-desc {
  font-size: 14px;
  color: var(--color-muted);
  padding: 0 16px 16px;
  line-height: 1.6;
  flex: 1;
}

/* --- 阅读指南入口（首页） --- */
.guide-entry-section {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px;
  margin-bottom: 40px;
}

.guide-entry-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.guide-entry-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.guide-entry-desc {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 72ch;
  margin-bottom: 20px;
}

.guide-entry-link {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base);
}

.guide-entry-link:hover {
  background-color: #d55420;
  color: #ffffff;
}

/* ============================================================
   5. Pages —— 题材分类页
   ============================================================ */

.category-grid-section {
  margin-bottom: 48px;
}

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

.category-grid-section .category-card {
  overflow: hidden;
}

.category-figure {
  width: 100%;
  height: 180px;
}

.category-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.category-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  padding: 0;
}

.category-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  padding: 0;
}

.category-fit {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

.category-fit strong {
  color: var(--color-accent);
  font-weight: 600;
  margin-right: 4px;
}

.category-link {
  display: inline-block;
  margin-top: auto;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  padding-top: 8px;
}

.category-link:hover {
  text-decoration: underline;
}

/* 标签云 */
.category-tags-section {
  margin-bottom: 48px;
}

.tags-intro {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 72ch;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-item a {
  display: inline-block;
  padding: 6px 16px;
  font-size: 14px;
  color: var(--color-text);
  background-color: #f0ede6;
  border-radius: 20px;
  border: 1px solid transparent;
  transition: background-color var(--transition-base), color var(--transition-base),
    border-color var(--transition-base);
}

.tag-item a:hover {
  background-color: #ffffff;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* 分类页底部指引 */
.category-guide-section {
  margin-bottom: 24px;
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0;
}

.guide-card {
  padding: 20px;
}

.guide-card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.guide-card-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.guide-more {
  margin-top: 16px;
}

.guide-more a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
}

.guide-more a:hover {
  text-decoration: underline;
}

/* ============================================================
   6. Pages —— 人气榜单页
   ============================================================ */

.ranking-intro {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.intro-content p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 72ch;
  margin-bottom: 12px;
}

.intro-content p:last-child {
  margin-bottom: 0;
}

.ranking-block {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.ranking-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.ranking-block-head .section-title {
  margin-bottom: 0;
}

.ranking-meta {
  font-size: 13px;
  color: var(--color-muted);
  flex-shrink: 0;
}

.ranking-list {
  counter-reset: rank;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 12px;
  border-bottom: 1px solid #f0ede6;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base);
}

.ranking-item:hover {
  background-color: var(--color-bg);
}

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

.rank-number {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-muted);
  min-width: 32px;
  text-align: center;
}

.ranking-item:nth-child(-n + 3) .rank-number {
  color: var(--color-accent);
}

.rank-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  flex: 1;
}

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

.rank-trend {
  font-size: 13px;
  font-weight: 500;
  flex-shrink: 0;
  min-width: 60px;
  text-align: right;
}

.rank-status {
  font-size: 13px;
  color: var(--color-muted);
  flex-shrink: 0;
  min-width: 56px;
  text-align: right;
}

/* 榜单图例 */
.ranking-legend {
  margin-bottom: 40px;
}

.legend-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.legend-card {
  padding: 20px;
}

.legend-icon {
  display: inline-block;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.legend-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}

.legend-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 榜单配图 */
.ranking-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 8px;
}

.ranking-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.ranking-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 12px 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============================================================
   7. Pages —— 更新速递页
   ============================================================ */

.update-legend {
  margin-bottom: 40px;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.legend-grid .legend-card {
  padding: 20px;
}

.legend-grid .legend-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}

.legend-grid .legend-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 更新列表 */
.update-list-section {
  margin-bottom: 40px;
}

.update-list-wrap {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 24px 28px;
  margin-top: 20px;
}

.update-list {
  margin: 0;
}

.update-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #f0ede6;
}

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

.update-time {
  font-size: 13px;
  color: var(--color-muted);
  flex-shrink: 0;
  min-width: 90px;
  padding-top: 2px;
}

.update-category {
  display: inline-block;
  padding: 2px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent);
  background-color: rgba(232, 101, 45, 0.08);
  border-radius: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

.update-summary {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  flex: 1;
  margin: 0;
}

/* 本周摘要 */
.weekly-summary {
  margin-bottom: 24px;
}

.summary-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  overflow: hidden;
  margin-top: 20px;
}

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

.summary-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.summary-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 0;
}

.summary-content a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  margin-top: auto;
}

.summary-content a:hover {
  text-decoration: underline;
}

/* ============================================================
   8. Pages —— 阅读指南页
   ============================================================ */

.guide-steps {
  margin-bottom: 48px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.step-card {
  padding: 24px 20px;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 12px;
}

.step-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.step-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* FAQ */
.guide-faq {
  margin-bottom: 48px;
}

.faq-list {
  margin-top: 20px;
}

.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: background-color var(--transition-base);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background-color: var(--color-bg);
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

/* 状态与榜单说明 */
.guide-status {
  margin-bottom: 48px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.status-card {
  padding: 20px;
}

.status-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.status-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 图文说明 */
.guide-visual {
  margin-bottom: 24px;
}

.guide-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 20px 0;
}

.guide-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.guide-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 12px 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
}

.visual-note {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 16px;
}

.visual-note a {
  margin-right: 16px;
}

/* ============================================================
   9. Pages —— 关于本站页
   ============================================================ */

.about-section {
  margin-bottom: 48px;
}

.about-section .section-title {
  margin-bottom: 16px;
}

.about-text-block {
  max-width: 72ch;
}

.about-text-block p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 16px;
}

.about-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 20px 0;
}

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

.about-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 12px 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
}

.about-nav-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 16px;
}

.about-nav-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.about-nav-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.about-nav-card a {
  font-weight: 500;
  color: var(--color-accent);
}

/* ============================================================
   10. Pages —— 404 页
   ============================================================ */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.error-panel {
  text-align: center;
  max-width: 480px;
  padding: 40px;
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.error-code {
  font-size: 72px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.error-btn {
  display: inline-block;
  padding: 10px 24px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base);
}

.error-btn:hover {
  background-color: #d55420;
  color: #ffffff;
}

/* ============================================================
   11. Responsive —— 响应式断点
   ============================================================ */

/* --- 平板及以下 --- */
@media (max-width: 1024px) {
  .home-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 24px;
  }

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

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

/* --- 手机端 --- */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    min-height: 56px;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .brand-link {
    flex: 1;
  }

  .brand-name {
    font-size: 20px;
  }

  .brand-tag {
    font-size: 12px;
  }

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

  .site-nav {
    width: 100%;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0;
    padding: 8px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 8px;
  }

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

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

  /* 首页 Hero */
  .hero-section {
    padding: 24px 20px;
  }

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

  .hero-entries {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-entry-card {
    padding: 16px;
  }

  /* 主推横幅 */
  .featured-banner {
    min-height: 200px;
  }

  .featured-content {
    padding: 24px 20px;
  }

  .featured-title {
    font-size: 20px;
  }

  /* 首页两栏改单栏 */
  .home-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .home-main-col {
    order: 1;
  }

  .home-side-col {
    order: 2;
    margin-top: 24px;
  }

  /* 更新条目 */
  .update-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .update-time {
    min-width: auto;
  }

  .update-brief {
    width: 100%;
    -webkit-line-clamp: 2;
  }

  /* 分类网格 */
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .category-card img.category-cover {
    height: 120px;
  }

  .category-grid-section .category-grid {
    grid-template-columns: 1fr;
  }

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

  /* 内页标题区 */
  .page-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
  }

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

  /* 榜单 */
  .ranking-block {
    padding: 20px;
  }

  .ranking-block-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .ranking-item {
    gap: 10px;
    padding: 10px 8px;
  }

  .rank-number {
    min-width: 24px;
    font-size: 14px;
  }

  .rank-trend {
    min-width: auto;
    font-size: 12px;
  }

  .rank-status {
    display: none;
  }

  .legend-cards,
  .legend-grid,
  .status-grid,
  .guide-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 更新速递 */
  .update-list-wrap {
    padding: 16px;
  }

  .update-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .update-time {
    min-width: auto;
  }

  .summary-card {
    grid-template-columns: 1fr;
  }

  .summary-card img {
    height: 160px;
    min-height: 0;
  }

  .summary-content {
    padding: 20px;
  }

  /* 阅读指南 */
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .faq-item summary {
    padding: 14px 16px;
    font-size: 14px;
  }

  .faq-item p {
    padding: 0 16px 14px;
    font-size: 14px;
  }

  /* 关于页 */
  .about-figure img {
    height: 180px;
  }

  .guide-figure img {
    height: 180px;
  }

  .ranking-figure img {
    height: 160px;
  }

  /* 404 */
  .error-panel {
    padding: 32px 24px;
    margin: 0 16px;
  }

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

/* --- 小屏手机 --- */
@media (max-width: 390px) {
  .header-inner,
  .footer-inner,
  .site-main,
  .error-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-tag {
    display: none;
  }

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

  .category-card img.category-cover {
    height: 140px;
  }

  .hero-section {
    padding: 20px 16px;
  }

  .featured-content {
    padding: 20px 16px;
  }

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

  .ranking-item {
    gap: 8px;
  }

  .rank-trend {
    min-width: auto;
  }
}

/* --- 打印样式（极简） --- */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .breadcrumb,
  .featured-banner,
  .guide-entry-section {
    display: none;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  .site-main {
    padding: 0;
  }
}