/* ==========================================================================
   base — 基础变量、重置、全局排版
   ========================================================================== */

:root {
  --color-bg: #f5f5f5;
  --color-text: #333333;
  --color-primary: #ff6b6b;
  --color-accent: #4ecdc4;
  --color-card: #ffffff;
  --color-border: #e8e8e8;
  --color-muted: #777777;
  --color-light: #fafafa;
  --color-dark: #222222;

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;

  --container-width: 1200px;
  --container-padding: 24px;
  --radius: 8px;
  --radius-sm: 6px;

  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 20px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;

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

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

strong {
  font-weight: 600;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   layout — 全站骨架：页头、页脚、主容器、面包屑、标题区
   ========================================================================== */

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

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

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

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

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

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

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

.site-nav .nav-list a.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: rgba(255, 107, 107, 0.08);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon {
  display: block;
  position: relative;
  width: 22px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  bottom: -7px;
}

.site-main {
  min-height: calc(100vh - var(--header-height) - 300px);
}

.site-main.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--container-padding) var(--space-2xl);
}

/* 面包屑 */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

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

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

.breadcrumb-sep {
  color: #b0b0b0;
}

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

/* 页面标题区 */

.page-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

/* 通用区块标题 */

.section-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

/* 页脚 */

.site-footer {
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--container-padding) var(--space-md);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-lg);
}

.footer-brand p {
  color: var(--color-muted);
  font-size: 14px;
}

.footer-tagline {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.footer-desc {
  line-height: 1.7;
}

.footer-heading {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}

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

.footer-links a {
  font-size: 14px;
  color: var(--color-muted);
}

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

.footer-copyright {
  grid-column: 1 / -1;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  margin-top: var(--space-sm);
}

.footer-copyright p {
  font-size: 13px;
  color: #999999;
  margin-bottom: 0;
}

/* ==========================================================================
   components — 通用组件：卡片、标签、按钮、列表、FAQ
   ========================================================================== */

/* 标签 */

.tag,
.tag-link {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  background-color: rgba(78, 205, 196, 0.12);
  color: #2a9d94;
  border: 1px solid rgba(78, 205, 196, 0.25);
}

.tag:hover,
.tag-link:hover {
  background-color: rgba(78, 205, 196, 0.22);
  color: #1e7a73;
}

/* 卡片通用 */

.guide-card,
.category-card,
.step-card,
.tip-block,
.scene-card,
.comic-item,
.short-item {
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.guide-card:hover,
.category-card:hover,
.step-card:hover,
.tip-block:hover,
.scene-card:hover,
.comic-item:hover,
.short-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

/* FAQ */

.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space-sm);
  padding: 0 var(--space-md);
}

.faq-item summary {
  padding: 16px 0;
  font-weight: 500;
  cursor: pointer;
  font-size: 15px;
  list-style: none;
  position: relative;
  padding-right: 28px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 400;
}

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

.faq-item p {
  padding-bottom: 16px;
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ==========================================================================
   pages — 首页
   ========================================================================== */

.site-home {
  background-color: var(--color-bg);
}

.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) var(--space-2xl);
}

/* 首屏：封面墙 */

.hero-section {
  padding: var(--space-xl) 0 var(--space-lg);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-lg);
  align-items: stretch;
}

.hero-feature {
  display: flex;
}

.hero-figure {
  background-color: var(--color-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  width: 100%;
}

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

.hero-figure figcaption {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

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

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

.hero-cta {
  display: inline-block;
  padding: 10px 24px;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
}

.hero-cta:hover {
  background-color: #e85555;
  color: #ffffff;
}

.hero-updates {
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-md) var(--space-sm);
  display: flex;
  flex-direction: column;
}

.hero-updates .section-title {
  font-size: 18px;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

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

.update-item {
  border-bottom: 1px solid var(--color-border);
}

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

.update-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 0;
}

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

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

.update-name {
  display: block;
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-status {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
}

/* 分类导航带 */

.category-strip {
  padding: var(--space-md) 0 var(--space-lg);
}

.category-strip .section-title {
  font-size: 18px;
  margin-bottom: var(--space-sm);
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.category-tags .tag-link {
  padding: 8px 20px;
  font-size: 14px;
}

/* 最近更新 */

.recent-updates {
  padding: var(--space-md) 0 var(--space-lg);
}

.update-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.update-group {
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
}

.group-date {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-primary);
}

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

.comic-entry {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.comic-entry:last-child {
  border-bottom: none;
}

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

.entry-text {
  flex: 1;
  min-width: 0;
}

.entry-text h3 {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-text .entry-status {
  font-size: 13px;
}

/* 人气榜单 */

.ranking-preview {
  padding: var(--space-md) 0 var(--space-lg);
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
}

.ranking-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-lg);
}

.ranking-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 12px;
  border-radius: var(--radius-sm);
  background-color: var(--color-light);
}

.rank-number {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  flex-shrink: 0;
  min-width: 28px;
}

.rank-content h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.rank-reason {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* 指南入口 */

.guide-entry {
  padding: var(--space-md) 0;
}

.guide-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.guide-card {
  padding: var(--space-lg);
}

.guide-card h3 {
  font-size: 18px;
  margin-bottom: var(--space-xs);
}

.guide-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

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

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

/* ==========================================================================
   pages — 题材分类页
   ========================================================================== */

.page-caiti-fenlei .category-grid {
  margin-bottom: var(--space-xl);
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

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

.card-figure {
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.card-figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.category-card h3 {
  font-size: 17px;
  font-weight: 600;
  padding: var(--space-sm) var(--space-md) 4px;
}

.category-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  padding: 0 var(--space-md) var(--space-sm);
  flex: 1;
}

.category-card .card-link {
  display: inline-block;
  margin: 0 var(--space-md) var(--space-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.guide-section {
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
}

.guide-section h2 {
  margin-bottom: var(--space-md);
}

.guide-section > p {
  color: var(--color-muted);
  font-size: 14px;
  margin-bottom: var(--space-sm);
}

.guide-content p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.guide-content strong {
  color: var(--color-primary);
}

/* ==========================================================================
   pages — 阅读指南页
   ========================================================================== */

.page-yuedu-zhinan .guide-steps,
.page-yuedu-zhinan .guide-tips,
.page-yuedu-zhinan .guide-settings,
.page-yuedu-zhinan .guide-faq,
.page-yuedu-zhinan .guide-related {
  margin-bottom: var(--space-xl);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.step-card {
  padding: var(--space-lg) var(--space-md);
}

.step-heading {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: 36px;
}

.step-heading::before {
  content: counter(step);
  counter-increment: step;
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.guide-steps {
  counter-reset: step;
}

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

.step-text a {
  color: var(--color-primary);
  font-weight: 500;
}

.tips-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.tip-block {
  padding: var(--space-md);
}

.tip-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

.settings-card {
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: center;
}

.settings-figure {
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.settings-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.settings-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding-top: 6px;
  text-align: center;
}

.settings-subtitle {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.settings-text p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.guide-faq .faq-item {
  max-width: 860px;
}

.guide-related {
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
}

.guide-related p {
  font-size: 14px;
  color: var(--color-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.guide-related a {
  color: var(--color-primary);
  font-weight: 500;
  margin-right: var(--space-sm);
}

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

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

.page-zhichang-manhua .comic-list {
  margin-bottom: var(--space-xl);
}

.section-intro {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.comic-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  align-items: flex-start;
}

.comic-cover {
  flex-shrink: 0;
}

.comic-cover img {
  width: 120px;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.comic-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.comic-tag {
  display: inline-block;
  font-size: 12px;
  background-color: rgba(255, 107, 107, 0.1);
  color: var(--color-primary);
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: var(--space-xs);
}

.comic-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

.comic-reason {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  background-color: var(--color-light);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  margin-bottom: 0;
  border-left: 3px solid var(--color-accent);
}

.comic-reason strong {
  color: var(--color-accent);
  margin-right: 4px;
}

.tips {
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
}

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

.tips-content a {
  color: var(--color-primary);
  font-weight: 500;
}

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

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

.page-shenghuo-manhua .short-list-section {
  margin-bottom: var(--space-xl);
}

.section-lead {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.short-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  align-items: flex-start;
}

.short-cover {
  flex-shrink: 0;
}

.short-cover img {
  width: 100px;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.short-info h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.short-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.short-tags .tag {
  font-size: 12px;
  padding: 2px 10px;
}

.short-info p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 6px;
}

.short-meta {
  font-size: 13px;
  color: #999999;
  margin-bottom: 0;
}

.section-more {
  margin-top: var(--space-md);
  font-size: 14px;
}

.section-more a {
  color: var(--color-primary);
  font-weight: 500;
  margin-right: var(--space-md);
}

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

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.scene-card {
  padding: var(--space-md);
}

.scene-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

.scenes-section > p {
  font-size: 14px;
  color: var(--color-muted);
}

.scenes-section > p a {
  color: var(--color-primary);
  font-weight: 500;
  margin-right: var(--space-sm);
}

.scenes-section > p a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   pages — 404
   ========================================================================== */

.site-error {
  background-color: var(--color-bg);
}

.error-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--container-padding);
  display: flex;
  justify-content: center;
}

.error-section {
  text-align: center;
  max-width: 520px;
  padding: var(--space-xl);
  background-color: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

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

.error-section h1 {
  font-size: 24px;
  margin-bottom: var(--space-sm);
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.btn-home,
.btn-category {
  display: inline-block;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-home:hover,
.btn-category:hover {
  background-color: #e85555;
  color: #ffffff;
}

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

.btn-category:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-light);
}

.error-tip {
  font-size: 13px;
  color: #999999;
  margin-bottom: 0;
}

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

@media (max-width: 992px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-image {
    height: 280px;
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

  .header-inner {
    height: 56px;
  }

  .nav-toggle {
    display: flex;
    order: 2;
  }

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

  .site-nav .nav-list {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    padding: var(--space-sm) 0;
    border-top: 1px solid var(--color-border);
  }

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

  .site-nav .nav-list a {
    padding: 12px 0;
    width: 100%;
    font-size: 16px;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .site-header {
    position: relative;
  }

  .hero-section {
    padding: var(--space-md) 0 var(--space-lg);
  }

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

  .hero-desc {
    font-size: 14px;
  }

  .hero-image {
    height: 220px;
  }

  .update-groups {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

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

  .tips-layout {
    grid-template-columns: 1fr;
  }

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

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-copyright {
    grid-column: 1;
  }

  .comic-item,
  .short-item {
    flex-direction: column;
  }

  .comic-cover img,
  .short-cover img {
    width: 100%;
    height: 200px;
  }

  .grid-cards,
  .steps-grid,
  .scene-grid {
    grid-template-columns: 1fr;
  }

  .category-strip {
    padding: var(--space-sm) 0 var(--space-md);
  }

  .category-tags {
    gap: 8px;
  }

  .category-tags .tag-link {
    padding: 6px 14px;
    font-size: 13px;
  }

  .ranking-preview {
    padding: var(--space-md);
  }

  .guide-card {
    padding: var(--space-md);
  }

  .page-header {
    margin-bottom: var(--space-md);
  }

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

  .page-description {
    font-size: 14px;
  }

  .error-section {
    padding: var(--space-lg) var(--space-md);
  }

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

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

  .btn-home,
  .btn-category {
    width: 100%;
    max-width: 260px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-image {
    height: 180px;
  }

  .hero-cta {
    display: block;
    text-align: center;
  }

  .comic-cover img,
  .short-cover img {
    height: 180px;
  }

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

  .rank-number {
    font-size: 18px;
  }

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

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

  .group-date {
    font-size: 15px;
  }

  .step-card {
    padding: var(--space-md);
  }

  .step-heading {
    font-size: 16px;
  }

  .footer-inner {
    padding: var(--space-lg) var(--container-padding) var(--space-md);
  }
}