/* ==========================================================================
   看漫画 — 全局样式表
   站点: 1vi274i.cn
   说明: 覆盖整站全部页面 DOM 的样式，无外部依赖。
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Base — 基础重置、变量、字体、通用元素
   -------------------------------------------------------------------------- */
:root {
  --color-white: #ffffff;
  --color-bg: #f5f5f5;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-primary: #ff6b6b;
  --color-secondary: #4ecdc4;
  --color-accent: #ffe66d;
  --color-border: #e5e5e5;
  --color-card-bg: #ffffff;
  --font-family-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --container-max: 1200px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 6px 16px rgba(0, 0, 0, 0.1);
  --transition-base: 0.2s ease;
}

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

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

body {
  font-family: var(--font-family-base);
  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 {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  line-height: 1.3;
  font-weight: 600;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 16px;
}

/* 统一容器 */
.header-inner,
.footer-inner,
.site-main,
.breadcrumb,
.page-header,
.category-grid,
.category-notes,
.related-links,
.guide-content,
.recommendation-list,
.recommendation-analysis,
.genre-analysis,
.ranking-list,
.error-panel,
.error-links {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

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

/* 站点主体 */
.site-main {
  flex: 1 0 auto;
  padding-top: 32px;
  padding-bottom: 48px;
}

/* 内页主体 */
.inner-main {
  padding-top: 24px;
}

/* 首页主体 */
.home-main {
  padding-top: 0;
}

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

/* ---------- 页头 ---------- */
.site-header {
  background-color: var(--color-white);
  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);
  padding-top: 0;
  padding-bottom: 0;
}

.brand-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  flex-shrink: 0;
}

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

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-list li a:hover {
  color: var(--color-primary);
  background-color: #fff5f5;
}

.nav-list li a.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: #fff0f0;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  gap: 5px;
  padding: 0;
}

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

.nav-toggle:hover span {
  background-color: var(--color-primary);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--color-text-light);
  padding-top: 8px;
  padding-bottom: 8px;
}

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

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

.breadcrumb-sep {
  margin: 0 8px;
  color: #bbb;
}

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

/* ---------- 页面标题区 ---------- */
.page-header {
  padding-top: 16px;
  padding-bottom: 24px;
}

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

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 720px;
}

/* ---------- 区块标题 ---------- */
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
  position: relative;
  padding-left: 12px;
}

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

/* ---------- 相关链接 ---------- */
.related-links {
  padding-top: 32px;
  padding-bottom: 16px;
}

.related-links h2,
.related-links h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.related-links ul li a {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.related-links ul li a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: #fff5f5;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding-top: 40px;
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.footer-brand p strong {
  display: block;
  font-size: 18px;
  color: var(--color-text);
  margin-bottom: 8px;
}

.footer-links h3,
.footer-updates h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

.footer-links ul li a,
.footer-updates ul li a {
  font-size: 14px;
  color: var(--color-text-light);
}

.footer-links ul li a:hover,
.footer-updates ul li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #999;
}

/* --------------------------------------------------------------------------
   4. Pages — 各页面特有样式
   -------------------------------------------------------------------------- */

/* ==================== 首页 ==================== */

/* 场景选择区 */
.scene-select {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0;
}

.scene-select {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.hero-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  min-height: 280px;
  background-color: var(--color-bg);
}

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

.scene-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.scene-intro h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.scene-intro p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 480px;
}

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

.scene-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.scene-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.scene-icon {
  font-size: 24px;
  line-height: 1;
}

.scene-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.scene-desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 题材分类导航带 */
.category-tags {
  padding: 40px 0;
}

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

.tag-item {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.tag-item:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background-color: #f0fcfb;
}

/* 最近更新 */
.recent-updates {
  padding: 40px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.recent-updates .section-title {
  margin-bottom: 24px;
}

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

.update-date {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.update-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.update-item {
  display: flex;
  gap: 16px;
  padding: 12px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base);
}

.update-item:hover {
  box-shadow: var(--shadow-card);
}

.update-item img {
  width: 88px;
  height: 118px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.update-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.update-info h4 {
  font-size: 16px;
  font-weight: 600;
}

.update-status {
  display: inline-block;
  font-size: 12px;
  color: var(--color-secondary);
  background-color: #f0fcfb;
  padding: 2px 10px;
  border-radius: 999px;
  align-self: flex-start;
}

.more-link {
  text-align: center;
  margin-top: 24px;
}

.more-link a {
  display: inline-block;
  padding: 10px 32px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-base);
}

.more-link a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 人气榜单预览 */
.popular-list {
  padding: 40px 0;
}

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

.popular-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.popular-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

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

.popular-card h3 {
  font-size: 16px;
  font-weight: 600;
  padding: 12px 16px 4px;
}

.popular-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  padding: 0 16px 12px;
}

.popular-card a {
  display: inline-block;
  margin: 0 16px 16px;
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
}

.popular-card a:hover {
  text-decoration: underline;
}

/* 阅读指南入口 */
.guide-entry {
  padding: 40px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

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

.guide-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.guide-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.guide-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.guide-card span {
  font-size: 14px;
  color: var(--color-secondary);
  font-weight: 500;
}

/* 长尾推荐预告 */
.longtail-preview {
  padding: 40px 0;
}

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

.topic-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  padding: 16px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  align-items: center;
}

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

.topic-card img {
  width: 140px;
  height: 186px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.topic-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* ==================== 题材分类页 ==================== */

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding-top: 8px;
  padding-bottom: 32px;
}

.category-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

.category-media img {
  width: 160px;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.category-body {
  padding: 20px 20px 20px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.category-body h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.category-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 8px;
}

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

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

.category-notes {
  padding-top: 16px;
  padding-bottom: 16px;
}

.category-notes h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.category-notes p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 720px;
}

/* ==================== 阅读指南页 ==================== */

.guide-content {
  padding-top: 8px;
  padding-bottom: 16px;
}

.guide-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.guide-step:last-of-type {
  border-bottom: none;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-body p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 720px;
}

.guide-figure {
  margin: 16px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 720px;
}

.guide-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.guide-tips {
  padding: 24px 0;
}

.guide-tips h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
}

.tips-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.tips-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 16px;
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

.tips-list li::before {
  content: "✦";
  color: var(--color-secondary);
  flex-shrink: 0;
}

/* ==================== 恋爱漫画推荐页 ==================== */

.recommendation-list {
  padding-top: 8px;
  padding-bottom: 32px;
}

.recommendation-list > h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
}

.recommendation-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.recommendation-media img {
  width: 200px;
  height: 266px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.recommendation-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.recommendation-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.recommendation-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-secondary);
  background-color: #f0fcfb;
  padding: 2px 12px;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 8px;
}

.recommendation-content > p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 8px;
}

.recommendation-reason {
  font-size: 14px;
  line-height: 1.6;
  margin-top: 4px;
}

.recommendation-reason strong {
  color: var(--color-primary);
  font-weight: 600;
}

.recommendation-status {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 8px;
}

.recommendation-analysis {
  padding-top: 24px;
  padding-bottom: 24px;
}

.recommendation-analysis h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
}

.recommendation-analysis p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 720px;
}

/* ==================== 热血漫画推荐页 ==================== */

.genre-analysis {
  padding-top: 8px;
  padding-bottom: 24px;
}

.genre-analysis h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
}

.genre-analysis p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 720px;
}

.ranking-list {
  padding-top: 8px;
  padding-bottom: 32px;
  counter-reset: ranking;
}

.ranking-item {
  display: grid;
  grid-template-columns: 48px 140px 1fr;
  gap: 20px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.rank-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-text);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rank-cover {
  margin: 0;
}

.rank-cover img {
  width: 140px;
  height: 186px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.rank-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.rank-info p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  max-width: 560px;
}

/* ==================== 404 页 ==================== */

.error-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  padding-bottom: 80px;
}

.error-panel {
  text-align: center;
  padding: 48px 24px;
}

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

.error-panel h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 480px;
  margin: 0 auto 24px;
}

.error-btn {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition-base);
}

.error-btn:hover {
  background-color: #ff5252;
  color: var(--color-white);
}

.error-links {
  padding-top: 24px;
  text-align: center;
}

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

.error-links ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.error-links ul li a {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
}

.error-links ul li a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   5. Responsive — 响应式断点
   -------------------------------------------------------------------------- */

/* ---------- 平板及以下 ---------- */
@media (max-width: 992px) {
  .scene-select {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-media {
    min-height: 220px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

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

  .topic-card {
    grid-template-columns: 120px 1fr;
  }

  .topic-card img {
    width: 120px;
    height: 160px;
  }

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

  .recommendation-item {
    grid-template-columns: 160px 1fr;
    gap: 20px;
  }

  .recommendation-media img {
    width: 160px;
    height: 213px;
  }
}

/* ---------- 手机端 ---------- */
@media (max-width: 768px) {
  .header-inner,
  .footer-inner,
  .site-main,
  .breadcrumb,
  .page-header,
  .category-grid,
  .category-notes,
  .related-links,
  .guide-content,
  .recommendation-list,
  .recommendation-analysis,
  .genre-analysis,
  .ranking-list,
  .error-panel,
  .error-links {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-header {
    position: sticky;
  }

  .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-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
    padding: 8px 0;
  }

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

  .nav-list li a {
    padding: 12px 24px;
    border-radius: 0;
  }

  .scene-select {
    padding-left: 16px;
    padding-right: 16px;
    gap: 16px;
  }

  .scene-actions {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .scene-card {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }

  .scene-icon {
    font-size: 28px;
  }

  .scene-title {
    font-size: 16px;
    min-width: 80px;
  }

  .scene-desc {
    font-size: 13px;
  }

  .tags-list {
    gap: 8px;
  }

  .tag-item {
    padding: 6px 14px;
    font-size: 13px;
  }

  .update-item {
    flex-direction: row;
  }

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

  .popular-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .popular-card {
    display: grid;
    grid-template-columns: 100px 1fr;
    align-items: center;
  }

  .popular-card img {
    width: 100px;
    height: 133px;
    aspect-ratio: auto;
  }

  .popular-card h3 {
    padding: 8px 12px 4px;
  }

  .popular-card p {
    padding: 0 12px 8px;
  }

  .popular-card a {
    margin: 0 12px 12px;
  }

  .guide-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .topic-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .topic-card {
    grid-template-columns: 100px 1fr;
    gap: 12px;
  }

  .topic-card img {
    width: 100px;
    height: 133px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

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

  .category-media img {
    width: 100%;
    height: 180px;
    min-height: 0;
  }

  .category-body {
    padding: 16px;
  }

  .guide-step {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px 0;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  .tips-list {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

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

  .recommendation-content {
    padding: 0 4px;
  }

  .ranking-item {
    grid-template-columns: 40px 90px 1fr;
    gap: 12px;
    padding: 12px 0;
  }

  .rank-number {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }

  .rank-cover img {
    width: 90px;
    height: 120px;
  }

  .rank-info h3 {
    font-size: 16px;
  }

  .rank-info p {
    font-size: 13px;
  }

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

  .error-panel h1 {
    font-size: 20px;
  }

  .error-desc {
    font-size: 15px;
  }
}

/* ---------- 小屏手机 ---------- */
@media (max-width: 480px) {
  .brand-logo {
    font-size: 19px;
  }

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

  .section-title {
    font-size: 19px;
  }

  .scene-intro h1 {
    font-size: 22px;
  }

  .scene-intro p {
    font-size: 15px;
  }

  .popular-card {
    grid-template-columns: 80px 1fr;
  }

  .popular-card img {
    width: 80px;
    height: 107px;
  }

  .update-item img {
    width: 64px;
    height: 85px;
  }

  .topic-card {
    grid-template-columns: 80px 1fr;
  }

  .topic-card img {
    width: 80px;
    height: 107px;
  }

  .ranking-item {
    grid-template-columns: 32px 70px 1fr;
    gap: 8px;
  }

  .rank-number {
    width: 28px;
    height: 28px;
    font-size: 13px;
  }

  .rank-cover img {
    width: 70px;
    height: 93px;
  }
}