/* ==========================================================
   漫画台 · 整站样式表
   基础视觉：理性咨询风 · 深灰文字 · 蓝绿点缀
   ========================================================== */

/* ==========================================================
   01 · BASE
   全局重置、字体、色彩变量、基础元素
   ========================================================== */
:root {
  --color-ink: #2d3748;
  --color-gray: #4a5568;
  --color-muted: #718096;
  --color-blue: #3182ce;
  --color-teal: #38b2ac;
  --color-bg: #edf2f7;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-teal-soft: #e6fffa;
  --color-blue-soft: #ebf8ff;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --content-width: 820px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-card: 0 1px 3px rgba(45, 55, 72, 0.08);
  --transition-base: 0.2s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-bg);
  min-height: 100vh;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-ink);
}

p {
  color: var(--color-gray);
}

/* ==========================================================
   02 · LAYOUT
   全站骨架：页头、导航、主容器、页脚
   ========================================================== */

/* ---------- 页头 ---------- */
.site-header {
  background-color: var(--color-surface);
  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 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  flex-shrink: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.brand-link:hover {
  color: var(--color-ink);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-teal);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-right: 0.5rem;
}

/* ---------- 导航 ---------- */
.site-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

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

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray);
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: var(--color-blue);
  background-color: var(--color-bg);
}

.nav-item.is-current .nav-link {
  color: var(--color-teal);
  background-color: var(--color-teal-soft);
  font-weight: 600;
}

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

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ---------- 主容器 ---------- */
.site-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.home-main {
  padding-top: 0;
}

.inner-main {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background-color: var(--color-ink);
  color: #cbd5e0;
  margin-top: 3rem;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 1.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
}

.footer-brand {
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: #a0aec0;
}

.footer-col-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.75rem;
}

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

.footer-nav a {
  font-size: 0.875rem;
  color: #a0aec0;
}

.footer-nav a:hover {
  color: var(--color-teal);
}

.footer-bottom {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: #718096;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

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

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

.breadcrumb-sep {
  color: #cbd5e0;
}

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

/* ---------- 页面标题区 ---------- */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--color-border);
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.625rem;
}

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

/* ==========================================================
   03 · COMPONENTS
   通用组件：按钮、区块头、标签、文本链接、卡片
   ========================================================== */

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-base),
    border-color var(--transition-base), color var(--transition-base);
}

.btn-primary {
  background-color: var(--color-blue);
  color: #fff;
}

.btn-primary:hover {
  background-color: #2b6cb0;
  color: #fff;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.btn-outline:hover {
  background-color: var(--color-teal);
  color: #fff;
}

/* ---------- 区块头 ---------- */
.section-block {
  padding: 2.5rem 0;
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.375rem;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--color-muted);
  max-width: 640px;
}

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

.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: all var(--transition-base);
}

.tag-item:hover {
  color: var(--color-teal);
  border-color: var(--color-teal);
  background-color: var(--color-teal-soft);
}

/* ---------- 文本链接 ---------- */
.text-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-blue);
}

.text-link::after {
  content: "→";
  margin-left: 0.25rem;
  transition: transform var(--transition-base);
}

.text-link:hover {
  color: var(--color-teal);
}

.text-link:hover::after {
  transform: translateX(3px);
}

/* ---------- 卡片通用 ---------- */
.card-link {
  display: block;
  height: 100%;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base),
    transform var(--transition-base);
}

.card-link:hover {
  box-shadow: 0 4px 12px rgba(45, 55, 72, 0.12);
  transform: translateY(-2px);
}

/* ==========================================================
   04 · PAGES — 首页
   ========================================================== */

/* ---------- Hero 首屏 ---------- */
.hero {
  padding: 3rem 0 2.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy {
  max-width: 560px;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.hero-lead {
  font-size: 1.0625rem;
  color: var(--color-gray);
  margin-bottom: 1.75rem;
  line-height: 1.8;
}

.hero-copy .btn {
  margin-right: 0.75rem;
  margin-bottom: 0.5rem;
}

.hero-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.hero-image {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

/* ---------- 分类标签带 ---------- */
.category-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

/* ---------- 最近更新 ---------- */
.recent-updates {
  background-color: var(--color-surface);
}

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

.update-date {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-teal);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.75rem;
}

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

.update-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base);
}

.update-item:hover {
  background-color: var(--color-teal-soft);
}

.update-item img {
  width: 56px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.update-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-status {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-muted);
  background-color: var(--color-surface);
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

.recent-updates > .text-link {
  margin-top: 1rem;
}

/* ---------- 人气榜单预览 ---------- */
.ranking-preview {
  background-color: var(--color-bg);
}

.ranking-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.ranking-item {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 0.875rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.ranking-item img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.ranking-content {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  flex: 1;
}

.ranking-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

.ranking-desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
}

.ranking-content .text-link {
  font-size: 0.8125rem;
}

/* ---------- 阅读指南入口 ---------- */
.guide-entry {
  background-color: var(--color-surface);
}

.guide-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.guide-card {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border-left: 4px solid var(--color-teal);
}

.guide-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.guide-card-text {
  font-size: 0.875rem;
  color: var(--color-gray);
  margin-bottom: 1rem;
  line-height: 1.6;
}

/* ---------- 站内推荐链接 ---------- */
.inline-links {
  padding: 1.5rem 0 2.5rem;
  background-color: var(--color-bg);
}

.inline-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.inline-link-list a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray);
  padding: 0.375rem 0.875rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.inline-link-list a:hover {
  color: var(--color-teal);
  border-color: var(--color-teal);
}

/* ==========================================================
   05 · PAGES — 分类页 categories
   ========================================================== */

.category-grid {
  margin-bottom: 2.5rem;
}

.grid-shell {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.category-card {
  height: 100%;
}

.card-figure {
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 1rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.card-desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ---------- 分类详情 ---------- */
.category-details {
  margin-bottom: 2.5rem;
}

.detail-block {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid var(--color-blue);
}

.detail-title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.detail-text {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0.375rem;
}

/* ---------- 相关专题 ---------- */
.related-topics {
  margin-bottom: 2rem;
}

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

.related-link {
  display: block;
  padding: 1rem 1.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray);
  text-align: center;
  transition: all var(--transition-base);
}

.related-link:hover {
  color: var(--color-teal);
  border-color: var(--color-teal);
  background-color: var(--color-teal-soft);
}

/* ==========================================================
   06 · PAGES — 指南页 guide
   ========================================================== */

.container {
  max-width: var(--content-width);
}

.intro-steps {
  margin-bottom: 3rem;
}

.section-lead {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.step-item {
  position: relative;
  padding: 1.25rem 1.5rem 1.25rem 3.5rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: 0.875rem;
  box-shadow: var(--shadow-card);
}

.step-item::before {
  content: attr(data-step);
  position: absolute;
  left: 1rem;
  top: 1.25rem;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-teal);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 50%;
}

.step-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.step-item p {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.7;
}

.step-item a {
  font-weight: 600;
}

/* ---------- 追更技巧 ---------- */
.tips {
  margin-bottom: 2.5rem;
}

.tips-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.tip-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--color-blue);
}

.tip-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.tip-card p {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.7;
}

/* ---------- 指南配图 ---------- */
.guide-media {
  margin-bottom: 2rem;
}

.guide-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

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

.guide-figure figcaption {
  padding: 0.75rem 1rem;
  background-color: var(--color-surface);
  font-size: 0.8125rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}

.more-guide {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.8;
}

.more-guide a {
  font-weight: 600;
}

/* ==========================================================
   07 · PAGES — 恋爱漫画推荐 romance
   ========================================================== */

.card-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.rec-card {
  display: flex;
  gap: 1rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-card);
}

.rec-cover {
  flex-shrink: 0;
  width: 110px;
}

.rec-cover img {
  width: 110px;
  height: 148px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.rec-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.rec-desc {
  font-size: 0.8125rem;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 0.625rem;
}

.rec-tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-teal);
  background-color: var(--color-teal-soft);
  padding: 0.125rem 0.625rem;
  border-radius: 999px;
  margin-right: 0.375rem;
  margin-bottom: 0.25rem;
}

/* ---------- 作品看点分析 ---------- */
.analysis {
  margin-bottom: 2.5rem;
}

.analysis-list {
  display: grid;
  gap: 1rem;
}

.analysis-item {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
}

.analysis-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-blue);
}

.analysis-item p {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.7;
}

/* ---------- 相关阅读 ---------- */
.related-links {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.related-links h2 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.related-links p {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.related-links a {
  font-weight: 600;
}

/* ==========================================================
   08 · PAGES — 热血漫画推荐 action
   ========================================================== */

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.recommend-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base),
    transform var(--transition-base);
}

.recommend-card:hover {
  box-shadow: 0 4px 12px rgba(45, 55, 72, 0.12);
  transform: translateY(-2px);
}

.card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.card-content {
  padding: 1rem 1.125rem 1.25rem;
}

.card-content h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-content p {
  font-size: 0.8125rem;
  color: var(--color-gray);
  line-height: 1.6;
}

/* 分析模块复用 romance 的 .analysis 样式，此处仅补充差异 */
.recommend-grid + .analysis {
  margin-top: 0;
}

/* 相关链接样式：action 页用 ul 列表 */
.related-links ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1.5rem;
}

.related-links li a {
  font-size: 0.875rem;
  font-weight: 500;
}

/* ==========================================================
   09 · PAGES — 404
   ========================================================== */

.error-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.error-section {
  text-align: center;
  padding: 3rem 1.5rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 2rem;
}

.error-code {
  font-size: 5rem;
  font-weight: 800;
  color: var(--color-teal);
  line-height: 1;
  margin-bottom: 0.5rem;
}

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

.error-desc {
  font-size: 0.9375rem;
  color: var(--color-gray);
  max-width: 480px;
  margin: 0 auto 1.5rem;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.5rem;
  background-color: var(--color-blue);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
}

.error-home-link:hover {
  background-color: #2b6cb0;
  color: #fff;
}

.error-links {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.error-links-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.875rem;
}

.error-suggest-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.error-suggest-list a {
  display: block;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  color: var(--color-gray);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  text-align: center;
  transition: all var(--transition-base);
}

.error-suggest-list a:hover {
  color: var(--color-teal);
  background-color: var(--color-teal-soft);
}

/* ==========================================================
   10 · RESPONSIVE
   响应式断点：768px、1024px
   ========================================================== */

/* ---------- 平板：≤1024px ---------- */
@media (max-width: 1024px) {
  .hero-inner {
    gap: 2rem;
  }

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

  .ranking-item:nth-child(4),
  .ranking-item:nth-child(5) {
    grid-column: span 1;
  }

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

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

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

  .update-item:nth-child(3) {
    grid-column: span 2;
  }
}

/* ---------- 手机：≤768px ---------- */
@media (max-width: 768px) {
  .header-inner {
    height: 56px;
    padding: 0 1rem;
  }

  /* 汉堡按钮显示 */
  .nav-toggle {
    display: flex;
  }

  /* 导航列表默认收起 */
  .nav-list {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(45, 55, 72, 0.1);
    padding: 0.5rem 1rem;
    display: none;
    gap: 0.125rem;
  }

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

  .nav-link {
    padding: 0.75rem 0.875rem;
    font-size: 0.9375rem;
  }

  .site-nav {
    position: static;
  }

  /* 主容器 */
  .site-main,
  .inner-main {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .inner-main {
    padding-top: 1.5rem;
  }

  /* Hero */
  .hero {
    padding: 2rem 0 1.5rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-figure {
    order: -1;
  }

  .hero-image {
    min-height: 180px;
    max-height: 260px;
  }

  /* 分类标签 */
  .tag-list {
    gap: 0.5rem;
  }

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

  /* 最近更新 */
  .update-list {
    grid-template-columns: 1fr;
  }

  .update-item:nth-child(3) {
    grid-column: span 1;
  }

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

  .ranking-item:nth-child(5) {
    grid-column: span 2;
  }

  .ranking-item img {
    height: 100px;
  }

  /* 指南入口 */
  .guide-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* 分类页 */
  .grid-shell {
    grid-template-columns: 1fr 1fr;
    gap: 0.875rem;
  }

  .card-body {
    padding: 0.75rem;
  }

  .card-title {
    font-size: 0.875rem;
  }

  .card-desc {
    font-size: 0.75rem;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 0.625rem;
  }

  /* 指南页 */
  .tips-grid {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .step-item {
    padding: 1rem 1rem 1rem 3rem;
  }

  .step-item::before {
    left: 0.875rem;
    top: 1rem;
  }

  /* 恋爱推荐 */
  .card-list {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  .rec-card {
    flex-direction: row;
  }

  /* 热血推荐 */
  .recommend-grid {
    grid-template-columns: 1fr;
    gap: 0.875rem;
  }

  /* 404 */
  .error-main {
    padding: 2rem 1rem;
  }

  .error-code {
    font-size: 3.5rem;
  }

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

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

  .footer-bottom {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* ---------- 小屏手机：≤390px ---------- */
@media (max-width: 390px) {
  .grid-shell {
    grid-template-columns: 1fr;
  }

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

  .ranking-item:nth-child(5) {
    grid-column: span 1;
  }

  .rec-card {
    flex-direction: column;
  }

  .rec-cover,
  .rec-cover img {
    width: 100%;
    height: auto;
    max-height: 200px;
  }

  .hero-copy .btn {
    display: block;
    margin-right: 0;
    width: 100%;
    margin-bottom: 0.625rem;
  }

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

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