/* ==========================================================================
   base — 全局基础样式
   ========================================================================== */
:root {
  --color-bg: #f5f0e8;
  --color-text: #3e3a36;
  --color-accent: #8b7355;
  --color-primary: #2c5e50;
  --color-highlight: #c0392b;
  --color-white: #ffffff;
  --color-border: #ddd6c9;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --container-width: 1200px;
  --radius: 6px;
  --shadow: 0 1px 4px rgba(62, 58, 54, 0.08);
  --transition: 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-serif);
  font-size: 1rem;
  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-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-highlight);
  text-decoration: underline;
}

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.125rem;
}

h4 {
  font-size: 1rem;
}

p {
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   layout — 全站骨架
   ========================================================================== */

/* 页头 */
.site-header {
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0.875rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: var(--font-sans);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.brand:hover {
  color: var(--color-highlight);
  text-decoration: none;
}

.site-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav .nav-list a {
  display: block;
  padding: 0.5rem 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text);
  border-radius: var(--radius);
  white-space: nowrap;
}

.site-nav .nav-list a:hover {
  color: var(--color-primary);
  background-color: rgba(44, 94, 80, 0.08);
  text-decoration: none;
}

.site-nav .nav-list a.is-current {
  color: var(--color-white);
  background-color: var(--color-primary);
  font-weight: 700;
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
}

/* 主容器 */
.site-main {
  flex: 1;
  width: 100%;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

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

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

.breadcrumb-sep {
  color: var(--color-border);
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 700;
}

/* 页标题区 */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

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

/* 页脚 */
.site-footer {
  background-color: var(--color-text);
  color: #d8d2c6;
  margin-top: auto;
}

.footer-cols {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 2.5rem 1rem 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.footer-brand strong {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--color-white);
  display: block;
  margin-bottom: 0.375rem;
}

.footer-links p {
  margin-bottom: 0.75rem;
}

.footer-links strong {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-white);
}

.footer-links ul li {
  margin-bottom: 0.375rem;
}

.footer-links a {
  color: #b8b2a6;
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: #a8a296;
}

.footer-bottom p {
  margin-bottom: 0;
}

/* ==========================================================================
   components — 通用组件
   ========================================================================== */

/* 区块标题 */
.section-title {
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--color-accent);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  max-width: 720px;
}

/* 标签列表 */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.tag-list li {
  margin: 0;
}

.tag-list a {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.4375rem 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  transition: all var(--transition);
}

.tag-list a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

/* 漫画封面 */
figure {
  margin: 0;
}

.hero-figure,
.comic-cover,
.comic-entry .comic-cover,
.update-list figure,
.ranking-list figure,
.guide-figure {
  background-color: #e8e2d6;
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-figure img,
.comic-cover img,
.comic-entry .comic-cover img,
.update-list figure img,
.ranking-list figure img,
.guide-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 按钮 */
.btn-primary {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
  transition: background-color var(--transition);
}

.btn-primary:hover {
  background-color: #1f4a3e;
  text-decoration: none;
  color: var(--color-white);
}

/* 相关卡片 */
.related-card {
  display: block;
  padding: 1.25rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.related-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(44, 94, 80, 0.12);
  text-decoration: none;
}

.related-card h3 {
  font-size: 1rem;
  margin-bottom: 0.375rem;
  color: var(--color-primary);
}

.related-card p {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: 0;
  line-height: 1.5;
}

/* ==========================================================================
   components — 首页模块
   ========================================================================== */

.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3rem 0 2.5rem;
}

.hero-copy h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.hero-copy .slogan {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.hero-copy p {
  font-size: 0.9375rem;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero-figure {
  width: 100%;
  aspect-ratio: 4 / 3;
}

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

/* 题材分类导航 */
.category-nav-section {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.category-nav-section .tag-list {
  justify-content: flex-start;
}

/* 最近更新 */
.recent-updates {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.update-group {
  margin-bottom: 1.5rem;
}

.update-group h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--color-border);
}

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

.update-list li {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  padding: 0.75rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.update-list figure {
  width: 96px;
  height: 128px;
  flex-shrink: 0;
  aspect-ratio: 3 / 4;
}

.update-list figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.update-info h4 {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  margin-bottom: 0.375rem;
}

.update-info p {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: 0;
}

/* 人气榜单 */
.ranking-section {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.ranking-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.ranking-list li {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  padding: 0.75rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.ranking-list figure {
  width: 72px;
  height: 96px;
  flex-shrink: 0;
  aspect-ratio: 3 / 4;
}

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

.rank-info h3 {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  margin-bottom: 0.375rem;
}

.rank-info p {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: 0;
  line-height: 1.5;
}

/* 阅读指南入口 */
.guide-entry {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.guide-card {
  padding: 1.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.guide-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.guide-card p {
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: 0.875rem;
  line-height: 1.6;
}

.guide-card a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
}

/* 反馈说明 */
.feedback-note {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  max-width: 720px;
}

.feedback-note h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feedback-note p {
  font-size: 0.875rem;
  color: var(--color-accent);
  line-height: 1.6;
}

/* 首页相关链接 */
.related-links {
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.related-links-label {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
}

.related-links-item {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.375rem 0.875rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.related-links-item:hover {
  border-color: var(--color-primary);
  text-decoration: none;
}

/* ==========================================================================
   components — 分类页
   ========================================================================== */

.filter-description {
  padding: 1.25rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

.filter-description-body p {
  font-size: 0.9375rem;
  color: var(--color-accent);
  line-height: 1.6;
}

.tag-list-section {
  margin-bottom: 2rem;
}

.tag-item {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.4375rem 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  margin-right: 0.5rem;
  transition: all var(--transition);
}

.tag-item:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

.comic-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.comic-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.comic-item:hover {
  box-shadow: 0 2px 8px rgba(44, 94, 80, 0.12);
}

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

.comic-info {
  padding: 0.875rem 1rem;
}

.comic-title {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  margin-bottom: 0.375rem;
}

.comic-tags {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-primary);
  margin-bottom: 0.375rem;
}

.comic-desc {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: 0;
  line-height: 1.5;
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 2.5rem 0;
  font-family: var(--font-sans);
}

.pagination-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.75rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 700;
}

.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.75rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--color-text);
}

.pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}

/* 分类页相关链接 */
.related-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* ==========================================================================
   components — 指南页
   ========================================================================== */

.guide-summary {
  padding: 1.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  margin-bottom: 2.5rem;
}

.summary-content p {
  font-size: 0.9375rem;
  color: var(--color-accent);
  line-height: 1.7;
}

.summary-content a {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.875rem;
}

.guide-section {
  margin-bottom: 2.5rem;
}

.section-body p {
  font-size: 0.9375rem;
  margin-bottom: 1rem;
  max-width: 720px;
}

.tip-item {
  padding: 1rem 1.25rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}

.tip-item h3 {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-primary);
  margin-bottom: 0.375rem;
}

.tip-item p {
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: 0;
  line-height: 1.6;
}

.tip-item a {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
}

/* 指南配图区 */
.guide-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.guide-figure {
  width: 100%;
  aspect-ratio: 4 / 3;
}

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

.guide-figure figcaption {
  padding: 0.625rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-accent);
  text-align: center;
}

.scene-content p {
  font-size: 0.9375rem;
  color: var(--color-accent);
  line-height: 1.7;
}

/* FAQ */
.guide-faq {
  margin-bottom: 2.5rem;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.625rem;
  overflow: hidden;
}

.faq-item summary {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 0.875rem 1.125rem;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 2.5rem;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.125rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 1.125rem 1rem;
  font-size: 0.875rem;
  color: var(--color-accent);
  line-height: 1.6;
  margin-bottom: 0;
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
}

/* 指南相关入口 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

/* ==========================================================================
   components — 职场漫画页
   ========================================================================== */

.intro-section {
  margin-bottom: 2.5rem;
  max-width: 720px;
}

.intro-section p {
  font-size: 0.9375rem;
  color: var(--color-accent);
  line-height: 1.7;
}

.comic-list-section .comic-item {
  display: flex;
  gap: 1.25rem;
  padding: 1rem;
  margin-bottom: 1rem;
  overflow: hidden;
}

.comic-list-section .comic-cover {
  width: 140px;
  height: 187px;
  flex-shrink: 0;
  aspect-ratio: 3 / 4;
}

.comic-list-section .comic-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comic-list-section .comic-info {
  padding: 0;
  flex: 1;
}

.comic-list-section .comic-info h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  margin-bottom: 0.375rem;
}

.comic-list-section .comic-info p {
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.comic-list-section .recommend-reason {
  font-size: 0.875rem;
  color: var(--color-text);
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.comic-list-section .recommend-reason strong {
  font-family: var(--font-sans);
  color: var(--color-primary);
  margin-right: 0.375rem;
}

.related-links-section {
  margin-top: 2.5rem;
  padding: 1.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.related-links-section p {
  font-size: 0.9375rem;
  color: var(--color-accent);
  line-height: 1.7;
}

.related-links-section a {
  font-family: var(--font-sans);
  font-weight: 700;
  margin-right: 1rem;
}

/* ==========================================================================
   components — 生活漫画页
   ========================================================================== */

.comic-entry {
  display: flex;
  gap: 1.25rem;
  padding: 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.comic-entry .comic-cover {
  width: 140px;
  height: 187px;
  flex-shrink: 0;
  aspect-ratio: 3 / 4;
}

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

.comic-entry .comic-info {
  padding: 0;
  flex: 1;
}

.comic-entry .comic-info h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  margin-bottom: 0.375rem;
}

.comic-entry .comic-info p {
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: 0.375rem;
  line-height: 1.6;
}

.recommend-reasons {
  margin-top: 2.5rem;
  padding: 1.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
}

.recommend-reasons h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.recommend-reasons p {
  font-size: 0.9375rem;
  color: var(--color-accent);
  line-height: 1.7;
}

.related-links ul {
  margin-top: 1rem;
}

.related-links ul li {
  margin-bottom: 0.5rem;
}

.related-links ul a {
  font-family: var(--font-sans);
  font-weight: 700;
}

/* ==========================================================================
   components — 404 页
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1rem;
}

.error-section {
  max-width: 560px;
  text-align: center;
  padding: 3rem 2rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.error-code {
  font-family: var(--font-sans);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-highlight);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.error-section h1 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.error-desc {
  font-size: 0.9375rem;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.btn-back,
.btn-category {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.btn-back {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-back:hover {
  background-color: #1f4a3e;
  text-decoration: none;
  color: var(--color-white);
}

.btn-category {
  background-color: var(--color-white);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-category:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

.error-help {
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: 0;
}

/* ==========================================================================
   responsive — 响应式
   ========================================================================== */

@media (max-width: 992px) {
  .comic-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* 导航 */
  .nav-toggle {
    display: flex;
  }

  .site-nav .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 8px rgba(62, 58, 54, 0.1);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 0;
  }

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

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

  .site-nav .nav-list a {
    padding: 0.75rem 1.25rem;
    border-radius: 0;
    white-space: normal;
  }

  .site-nav .nav-list a.is-current {
    background-color: rgba(44, 94, 80, 0.08);
    color: var(--color-primary);
  }

  /* 页头 */
  .header-inner {
    padding: 0.625rem 1rem;
  }

  .brand {
    font-size: 1.125rem;
  }

  /* 首页 */
  .hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 0 1.5rem;
  }

  .hero-figure {
    max-width: 480px;
    margin: 0 auto;
  }

  .update-list,
  .ranking-list,
  .guide-cards {
    grid-template-columns: 1fr;
  }

  .update-list li,
  .ranking-list li {
    padding: 0.625rem;
  }

  /* 内页 */
  .inner-main {
    padding: 1.25rem 1rem 2.5rem;
  }

  .page-header {
    margin-bottom: 1.5rem;
  }

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

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

  .comic-list-section .comic-item,
  .comic-entry {
    flex-direction: column;
  }

  .comic-list-section .comic-cover,
  .comic-entry .comic-cover {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .comic-list-section .comic-cover img,
  .comic-entry .comic-cover img {
    aspect-ratio: 16 / 9;
  }

  .guide-media {
    grid-template-columns: 1fr;
  }

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

  /* 页脚 */
  .footer-cols {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 1rem 1rem;
  }

  .footer-brand p {
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .header-inner {
    padding: 0.5rem 0.875rem;
  }

  .brand {
    font-size: 1rem;
  }

  .hero-copy h1 {
    font-size: 1.5rem;
  }

  .btn-primary {
    display: block;
    text-align: center;
  }

  .tag-list a,
  .tag-item {
    font-size: 0.8125rem;
    padding: 0.375rem 0.875rem;
  }

  .update-list figure {
    width: 80px;
    height: 107px;
  }

  .ranking-list figure {
    width: 64px;
    height: 85px;
  }

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

  .error-section {
    padding: 2rem 1.25rem;
  }
}

/* ==========================================================================
   print — 打印样式
   ========================================================================== */

@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .related-links,
  .related-entry,
  .pagination,
  .error-actions {
    display: none !important;
  }

  body {
    background-color: var(--color-white);
    color: #000;
  }

  .site-main {
    width: 100%;
    padding: 0;
  }

  .inner-main,
  .home-main {
    max-width: 100%;
    padding: 0;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .comic-item,
  .comic-entry,
  .guide-card,
  .faq-item,
  .tip-item {
    break-inside: avoid;
    box-shadow: none;
  }
}