/* ============================================================
   BASE — 全站基础变量、Reset、字体、颜色
   ============================================================ */
:root {
  --color-primary: #1a2a3a;
  --color-accent: #e67e22;
  --color-bg: #f5f6f8;
  --color-text: #333333;
  --color-card: #ffffff;
  --color-border: #e2e5ea;
  --color-muted: #6b7684;
  --color-light: #eef1f5;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --container-width: 1200px;
  --header-height: 64px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition-base: 0.2s ease;
}

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

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

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

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

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

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

ul,
ol {
  list-style: none;
}

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

/* ============================================================
   LAYOUT — 全站骨架：页头、导航、页脚、容器、面包屑
   ============================================================ */
.site-header {
  background-color: var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0;
}

.brand-slogan {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  display: none;
}

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

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

.site-nav {
  margin-left: auto;
}

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

.nav-list li a:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-list li a.is-current {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.15);
  font-weight: 600;
}

.site-main {
  min-height: 60vh;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px 20px 56px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

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

.breadcrumb-sep {
  color: var(--color-muted);
  opacity: 0.6;
}

.breadcrumb-current {
  color: var(--color-primary);
  font-weight: 600;
}

.page-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

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

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

.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  margin-top: 0;
}

.footer-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 20px 32px;
}

.footer-brand {
  margin-bottom: 24px;
}

.footer-name {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  display: block;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 480px;
  line-height: 1.6;
}

.footer-nav {
  margin-bottom: 24px;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-nav a:hover {
  color: #ffffff;
}

.footer-info p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
  margin-top: 16px;
}

/* ============================================================
   COMPONENTS — 通用组件：section-head、卡片、标签、列表
   ============================================================ */
.section-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section-head {
  margin-bottom: 24px;
}

.section-head h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-head p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.6;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.section-lead {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* 标签 */
.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.tag-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.tag-romance {
  border-left: 3px solid #e74c3c;
}

.tag-action {
  border-left: 3px solid var(--color-accent);
}

.tag-career {
  border-left: 3px solid #3498db;
}

.tag-life {
  border-left: 3px solid #2ecc71;
}

/* 图片容器 */
figure {
  margin: 0;
}

/* ============================================================
   PAGES — 首页
   ============================================================ */
.home-main {
  background-color: var(--color-bg);
}

/* 首屏 */
.hero {
  background-color: var(--color-primary);
  padding: 48px 0 0;
}

.hero-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-size: 36px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 24px;
}

.hero-cta {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-accent);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: background-color var(--transition-base);
}

.hero-cta:hover {
  background-color: #d35400;
  color: #ffffff;
}

.hero-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.hero-figure img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

/* 首屏横向滚动封面 */
.hero-strip {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 20px 40px;
}

.strip-title {
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
}

.strip-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.strip-item {
  display: block;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base);
}

.strip-item:hover {
  transform: translateY(-4px);
}

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

.strip-label {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  color: #ffffff;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 分类导航带 */
.categories {
  padding: 48px 0;
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.categories-more {
  font-size: 14px;
  color: var(--color-muted);
}

.categories-more a {
  color: var(--color-accent);
  font-weight: 600;
}

/* 最近更新 */
.updates {
  background-color: var(--color-card);
  padding: 48px 0;
}

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

.update-group h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

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

.update-item {
  display: flex;
  gap: 14px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 12px;
  align-items: center;
  transition: box-shadow var(--transition-base);
}

.update-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.update-item img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.update-info h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-desc {
  font-size: 13px;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.update-status {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  border-radius: 999px;
  background-color: rgba(230, 126, 34, 0.15);
  color: var(--color-accent);
  font-weight: 600;
  white-space: nowrap;
}

.updates-tip {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 16px;
}

.updates-tip a {
  color: var(--color-accent);
  font-weight: 600;
}

/* 人气榜单 */
.ranking {
  padding: 48px 0;
}

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

.rank-item {
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--color-border);
  display: flex;
  gap: 16px;
  transition: box-shadow var(--transition-base);
}

.rank-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.rank-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
}

.rank-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.rank-tag {
  font-size: 13px;
  color: var(--color-accent);
  margin-bottom: 8px;
  font-weight: 600;
}

.rank-reason {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.rank-link {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 600;
}

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

/* 阅读指南入口 */
.guide-entry {
  background-color: var(--color-card);
  padding: 48px 0;
}

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

.guide-card {
  display: block;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.guide-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

.guide-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.guide-link {
  font-size: 14px;
  color: var(--color-accent);
  font-weight: 600;
}

/* ============================================================
   PAGES — 分类页（categories）
   ============================================================ */
.categories-intro {
  margin-bottom: 32px;
}

.categories-intro p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.category-grid-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.category-card {
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.category-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.category-card-media {
  overflow: hidden;
}

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

.category-title {
  font-size: 18px;
  font-weight: 600;
  padding: 16px 16px 4px;
}

.category-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  padding: 0 16px 12px;
}

.category-link {
  display: block;
  padding: 0 16px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

.category-tips {
  margin-bottom: 32px;
}

.category-tips p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.related-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-links a {
  font-size: 15px;
  color: var(--color-primary);
  font-weight: 500;
  padding: 6px 0;
}

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

/* ============================================================
   PAGES — 阅读指南（guide）
   ============================================================ */
.layout-shell {
  width: 100%;
}

.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.guide-content {
  min-width: 0;
}

.guide-steps {
  margin-bottom: 40px;
}

.step-list {
  counter-reset: step-counter;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-item {
  position: relative;
  padding: 20px 20px 20px 64px;
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  counter-increment: step-counter;
}

.step-item::before {
  content: counter(step-counter);
  position: absolute;
  left: 20px;
  top: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

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

.guide-tips {
  margin-bottom: 40px;
}

.tip-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tip-item {
  padding: 14px 18px;
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
  font-size: 14px;
  line-height: 1.6;
}

.guide-faq {
  margin-bottom: 40px;
}

.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 {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  padding-right: 40px;
  list-style: none;
}

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

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

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

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.content-media-inline {
  margin: 24px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.content-media-inline img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

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

/* 侧栏 */
.guide-aside {
  min-width: 0;
}

.aside-module {
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 20px;
  margin-bottom: 20px;
}

.aside-module h2 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.aside-links li {
  border-bottom: 1px solid var(--color-border);
}

.aside-links li:last-child {
  border-bottom: none;
}

.aside-links a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  color: var(--color-primary);
  line-height: 1.5;
}

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

/* ============================================================
   PAGES — 恋爱漫画 / 热血漫画（romance / action）
   ============================================================ */
.works-section {
  margin-bottom: 40px;
}

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

.work-card {
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.work-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.work-cover {
  overflow: hidden;
}

.work-cover img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.work-card:hover .work-cover img {
  transform: scale(1.05);
}

.work-card h3 {
  font-size: 16px;
  font-weight: 600;
  padding: 14px 16px 4px;
}

.work-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  padding: 0 16px;
}

.work-card a {
  display: inline-block;
  padding: 8px 16px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

.work-info {
  padding: 14px 16px;
}

.work-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  border-radius: 999px;
  background-color: var(--color-light);
  color: var(--color-primary);
  font-weight: 600;
}

.tag-action {
  background-color: rgba(230, 126, 34, 0.15);
  color: var(--color-accent);
}

.tag-growth {
  background-color: rgba(46, 204, 113, 0.15);
  color: #27ae60;
}

.tag-drama {
  background-color: rgba(52, 152, 219, 0.15);
  color: #2980b9;
}

.tag-fantasy {
  background-color: rgba(155, 89, 182, 0.15);
  color: #8e44ad;
}

.tag-team {
  background-color: rgba(231, 76, 60, 0.15);
  color: #c0392b;
}

.tag-sport {
  background-color: rgba(241, 196, 15, 0.15);
  color: #f39c12;
}

.work-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.work-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

/* 分析区块 */
.analysis-section {
  margin-bottom: 40px;
}

.analysis-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.analysis-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 16px;
  align-items: start;
}

.analysis-media {
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.analysis-media img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.analysis-content {
  min-width: 0;
}

.analysis-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* 相关链接 */
.related-section {
  margin-bottom: 0;
}

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

.related-section li a {
  display: block;
  padding: 12px 16px;
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: border-color var(--transition-base);
}

.related-section li a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

.related-links a {
  display: inline-block;
  padding: 10px 18px;
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: border-color var(--transition-base);
}

.related-links a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   PAGES — 404
   ============================================================ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 40px 20px;
}

.error-section {
  text-align: center;
  max-width: 480px;
}

.error-section h1 {
  font-size: 28px;
  margin-bottom: 12px;
}

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

.error-desc {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-tip {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-back {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
}

.error-back:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* ============================================================
   RESPONSIVE — 响应式断点
   ============================================================ */
@media (max-width: 1024px) {
  .hero-shell {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

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

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

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

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

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

@media (max-width: 768px) {
  .header-shell {
    height: auto;
    min-height: var(--header-height);
    padding: 8px 16px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    width: 100%;
    margin-left: 0;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
  }

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

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

  .inner-main {
    padding: 16px 16px 40px;
  }

  .section-shell {
    padding: 0 16px;
  }

  .page-title {
    font-size: 28px;
  }

  .page-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .guide-aside {
    order: 2;
  }

  .hero-shell {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-copy h1 {
    font-size: 28px;
  }

  .hero-figure img {
    height: 240px;
  }

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

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

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

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

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

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

  .analysis-item {
    grid-template-columns: 1fr;
  }

  .analysis-media img {
    height: 180px;
  }

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

  .footer-shell {
    padding: 32px 16px 24px;
  }

  .footer-nav ul {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .strip-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .strip-item img {
    height: 120px;
  }

  .update-item {
    padding: 10px;
  }

  .update-item img {
    width: 60px;
    height: 80px;
  }

  .rank-item {
    padding: 16px;
  }

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

  .step-item {
    padding: 16px 16px 16px 56px;
  }

  .step-item::before {
    left: 16px;
    top: 16px;
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .faq-item summary {
    padding: 14px 36px 14px 16px;
  }

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

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

  .work-cover img {
    height: 180px;
  }

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

  .brand-slogan {
    display: none;
  }
}