/* ==========================================================================
   漫蛙2下载 · 全站样式
   瑞士网格风：白底、深蓝、亮橙点缀，无衬线字体，严格对齐
   ========================================================================== */

/* ==========================================================================
   Base — 基础变量、重置与全局元素
   ========================================================================== */
:root {
  --color-white: #ffffff;
  --color-ink: #1a1a2e;
  --color-navy: #16213e;
  --color-accent: #e94560;
  --color-gray-bg: #f5f5f5;
  --color-gray-border: #e6e6ea;
  --color-gray-text: #6b6b7a;
  --color-gray-light: #9a9aab;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Helvetica Neue", Helvetica, Arial, sans-serif;

  --container-width: 1200px;
  --container-padding: 0 24px;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --shadow-card: 0 1px 3px rgba(26, 26, 46, 0.06);
  --shadow-hover: 0 4px 12px rgba(26, 26, 46, 0.1);

  --transition-base: 0.2s ease;

  --header-height: 68px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* ==========================================================================
   Layout — 全站骨架：容器、页头、页脚、主区域
   ========================================================================== */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
}

.site-main {
  flex: 1 0 auto;
}

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

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

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

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: 0.01em;
}

.brand-name::first-letter {
  color: var(--color-accent);
}

.brand-slogan {
  font-size: 13px;
  color: var(--color-gray-text);
  white-space: nowrap;
}

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

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

.nav-list a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-list a:hover {
  color: var(--color-accent);
  background-color: var(--color-gray-bg);
}

.nav-list a.is-current {
  color: var(--color-accent);
  font-weight: 600;
}

.nav-list a.is-current::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

/* 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: 8px;
  border-radius: var(--radius-sm);
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background-color: var(--color-navy);
  color: rgba(255, 255, 255, 0.75);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 24px;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
}

.footer-brand .footer-site-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-brand .footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 300px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-group h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 14px;
}

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

.footer-group a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-group a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 32px;
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- 内页统一骨架 ---------- */
.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-gray-text);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  color: var(--color-gray-light);
  font-size: 12px;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-gray-border);
}

.page-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 12px;
  line-height: 1.25;
}

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

/* 通用 section 标题 */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 12px;
  position: relative;
  padding-left: 14px;
}

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

.section-desc,
.section-intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray-text);
  margin-bottom: 24px;
  max-width: 720px;
}

/* ==========================================================================
   Components — 通用组件
   ========================================================================== */
/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base),
    color var(--transition-base), border-color var(--transition-base);
  min-height: 44px;
}

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

.btn-primary:hover {
  background-color: #d63a52;
  border-color: #d63a52;
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-navy);
  border: 1px solid var(--color-navy);
}

.btn-secondary:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

/* ---------- 图片容器 ---------- */
figure {
  margin: 0;
}

/* ==========================================================================
   Pages — 首页
   ========================================================================== */
.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 64px;
}

/* ---------- 首屏 Hero ---------- */
.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 48px;
}

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

.hero-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-navy);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-gray-text);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.hero-figure img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

/* ---------- 题材分类带 ---------- */
.category-strip {
  padding: 48px 0;
  border-top: 1px solid var(--color-gray-border);
}

.section-head {
  margin-bottom: 28px;
}

.section-head .section-title {
  margin-bottom: 6px;
}

.section-head .section-desc {
  margin-bottom: 0;
}

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

.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-navy);
  background-color: var(--color-gray-bg);
  border: 1px solid var(--color-gray-border);
  border-radius: 999px;
  transition: all var(--transition-base);
  min-height: 40px;
}

.tag-item:hover {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.category-more {
  font-size: 14px;
}

.category-more a {
  color: var(--color-accent);
  font-weight: 500;
}

/* ---------- 最近更新 ---------- */
.recent-updates {
  padding: 48px 0;
  border-top: 1px solid var(--color-gray-border);
}

.update-group {
  margin-bottom: 32px;
}

.update-date {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-gray-bg);
  display: inline-block;
}

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

.update-item {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 12px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base);
}

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

.update-cover {
  flex-shrink: 0;
  width: 72px;
  height: 96px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-gray-bg);
}

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

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

.update-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-accent);
  background-color: rgba(233, 69, 96, 0.08);
  padding: 2px 8px;
  border-radius: 999px;
  margin-right: 8px;
}

.update-status {
  font-size: 13px;
  color: var(--color-gray-text);
}

/* ---------- 人气榜单预览 ---------- */
.ranking-preview {
  padding: 48px 0;
  border-top: 1px solid var(--color-gray-border);
}

.ranking-list {
  display: grid;
  gap: 12px;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  background-color: var(--color-gray-bg);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base);
}

.ranking-item:hover {
  background-color: #ececf1;
}

.rank-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-accent);
  width: 40px;
  text-align: center;
  flex-shrink: 0;
}

.rank-cover {
  width: 56px;
  height: 74px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background-color: var(--color-gray-border);
}

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

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

.rank-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.rank-reason {
  font-size: 14px;
  color: var(--color-gray-text);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ranking-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-gray-light);
}

/* ---------- 阅读指南入口 ---------- */
.guide-entry {
  padding: 48px 0;
  border-top: 1px solid var(--color-gray-border);
}

.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.guide-card {
  padding: 28px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base),
    transform var(--transition-base);
}

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

.guide-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-navy);
}

.guide-card-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray-text);
  margin-bottom: 16px;
}

.guide-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.guide-link:hover {
  color: #d63a52;
}

/* ---------- 首页相关链接 ---------- */
.related-links {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--color-gray-border);
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-navy);
}

.related-links-item {
  font-size: 14px;
  color: var(--color-gray-text);
  padding: 6px 14px;
  background-color: var(--color-gray-bg);
  border-radius: 999px;
  transition: all var(--transition-base);
}

.related-links-item:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

/* ==========================================================================
   Pages — 题材分类（categories.html）
   ========================================================================== */
.page-layout.sidebar-left {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}

/* 侧栏索引 */
.category-index {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background-color: var(--color-gray-bg);
  border-radius: var(--radius-md);
  padding: 20px;
}

.aside-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.index-list li {
  margin-bottom: 4px;
}

.index-list a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base),
    color var(--transition-base);
}

.index-list a:hover {
  background-color: var(--color-white);
  color: var(--color-accent);
}

/* 分类内容区 */
.category-content {
  min-width: 0;
}

.category-section {
  margin-bottom: 48px;
}

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

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

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

.category-card-media {
  height: 140px;
  background-color: var(--color-gray-bg);
}

.category-card-body {
  padding: 18px 20px;
}

.category-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-navy);
}

.category-card-body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-gray-text);
  margin-bottom: 10px;
}

.card-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

/* 分类说明 */
.category-notes {
  background-color: var(--color-gray-bg);
  border-radius: var(--radius-md);
  padding: 28px;
}

.category-notes h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.category-notes p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray-text);
  margin-bottom: 10px;
}

.category-notes p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Pages — 阅读指南（guide.html）
   ========================================================================== */
.guide-section {
  margin-bottom: 48px;
}

.guide-section .section-title {
  margin-bottom: 8px;
}

.guide-section .section-intro {
  margin-bottom: 28px;
}

.step-list {
  display: grid;
  gap: 20px;
}

.step-item {
  display: flex;
  gap: 20px;
  padding: 20px 24px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base);
}

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

.step-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--color-white);
  background-color: var(--color-accent);
  border-radius: 50%;
}

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

.step-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
}

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

.step-content a {
  color: var(--color-accent);
  font-weight: 500;
}

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

/* 指南配图 */
.guide-media {
  margin-bottom: 48px;
}

.guide-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 12px;
  background-color: var(--color-gray-bg);
}

.guide-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-gray-text);
  background-color: var(--color-gray-bg);
}

.media-caption {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray-text);
}

.media-caption a {
  color: var(--color-accent);
  font-weight: 500;
}

/* ==========================================================================
   Pages — 恋爱漫画（romance.html）
   ========================================================================== */
.featured-list {
  margin-bottom: 48px;
}

.featured-list > .section-title {
  margin-bottom: 8px;
}

.featured-list > .section-intro {
  margin-bottom: 28px;
}

.work-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 20px;
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: box-shadow var(--transition-base);
}

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

.work-cover {
  width: 120px;
  height: 160px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-gray-bg);
}

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

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

.work-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.work-meta {
  font-size: 13px;
  color: var(--color-gray-light);
  margin-bottom: 10px;
}

.work-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray-text);
  margin-bottom: 10px;
}

.work-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-accent);
  background-color: rgba(233, 69, 96, 0.08);
  padding: 2px 10px;
  border-radius: 999px;
}

/* 子题材 */
.subcategory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.subcategory-card {
  padding: 24px;
  background-color: var(--color-gray-bg);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base);
}

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

.subcategory-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.subcategory-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-gray-text);
  margin-bottom: 12px;
}

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

/* 相关推荐 */
.related-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.related-list a {
  display: block;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-ink);
  background-color: var(--color-gray-bg);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base),
    color var(--transition-base);
}

.related-list a:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

/* ==========================================================================
   Pages — 热血漫画（action.html）
   ========================================================================== */
.featured-list-section {
  margin-bottom: 48px;
}

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

.featured-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

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

.card-figure {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background-color: var(--color-gray-bg);
}

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

.card-body {
  padding: 18px 20px;
}

.card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.card-meta {
  font-size: 13px;
  color: var(--color-gray-light);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-gray-text);
}

/* 子题材 */
.subcategory-section {
  margin-bottom: 48px;
}

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

.subcategory-list .subcategory-card {
  background-color: var(--color-gray-bg);
  border-radius: var(--radius-md);
  padding: 24px;
}

.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

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

/* 相关链接 */
.related-section {
  margin-bottom: 24px;
}

.related-desc {
  font-size: 14px;
  color: var(--color-gray-text);
  margin-bottom: 20px;
}

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

.related-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-navy);
  background-color: var(--color-gray-bg);
  border: 1px solid var(--color-gray-border);
  border-radius: 999px;
  transition: all var(--transition-base);
  min-height: 40px;
}

.related-link:hover {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

/* ==========================================================================
   Pages — 404
   ========================================================================== */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 64px 24px;
}

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

.error-code {
  font-size: 80px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-content h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray-text);
  margin-bottom: 28px;
}

.error-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
  min-height: 44px;
  transition: background-color var(--transition-base);
}

.error-back:hover {
  background-color: #d63a52;
  color: var(--color-white);
}

/* ==========================================================================
   Responsive — 响应式
   ========================================================================== */
@media (max-width: 992px) {
  /* 首页 hero 缩小 */
  .hero-section {
    gap: 32px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-figure img {
    height: 280px;
  }

  /* 热血漫画卡片两列 */
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 分类页侧栏收窄 */
  .page-layout.sidebar-left {
    grid-template-columns: 200px 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  /* ---------- 页头 ---------- */
  .header-inner {
    height: 60px;
    padding: 0 16px;
    gap: 16px;
  }

  .brand-slogan {
    display: none;
  }

  .brand-name {
    font-size: 20px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    margin-left: 0;
  }

  .nav-list {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-border);
    padding: 8px 16px 16px;
    display: none;
    box-shadow: 0 8px 16px rgba(26, 26, 46, 0.08);
  }

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

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

  .nav-list a {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
    border-radius: var(--radius-sm);
  }

  .nav-list a.is-current::after {
    display: none;
  }

  .nav-list a.is-current {
    background-color: var(--color-gray-bg);
  }

  /* ---------- 内页 ---------- */
  .inner-main {
    padding: 24px 16px 48px;
  }

  .breadcrumb {
    margin-bottom: 20px;
  }

  .page-header {
    margin-bottom: 32px;
    padding-bottom: 18px;
  }

  .page-title {
    font-size: 26px;
  }

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

  /* ---------- 首页 ---------- */
  .home-main {
    padding: 0 16px 48px;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }

  .hero-content {
    max-width: 100%;
  }

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

  .hero-figure img {
    height: 220px;
  }

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

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

  .ranking-item {
    gap: 14px;
  }

  .rank-reason {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  /* ---------- 分类页 ---------- */
  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .category-index {
    position: static;
  }

  .index-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .index-list li {
    margin-bottom: 0;
  }

  .index-list a {
    padding: 6px 14px;
    background-color: var(--color-white);
    border-radius: 999px;
    font-size: 13px;
  }

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

  /* ---------- 指南页 ---------- */
  .step-item {
    flex-direction: column;
    gap: 12px;
    padding: 18px;
  }

  .step-number {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .guide-figure img {
    height: 200px;
  }

  /* ---------- 恋爱页 ---------- */
  .work-item {
    grid-template-columns: 90px 1fr;
    gap: 16px;
    padding: 14px;
  }

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

  .work-title {
    font-size: 16px;
  }

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

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

  /* ---------- 热血页 ---------- */
  .featured-grid {
    grid-template-columns: 1fr;
  }

  .card-figure {
    height: 200px;
  }

  /* ---------- 页脚 ---------- */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px 24px;
  }

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

  .footer-brand .footer-desc {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-group:last-child {
    grid-column: 1 / -1;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .related-links {
    gap: 10px;
  }

  .related-links-item {
    padding: 6px 12px;
    font-size: 13px;
  }
}

/* ==========================================================================
   Interaction — 增强动效（不阻塞初始可见性）
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  .guide-card,
  .featured-card,
  .category-card,
  .work-item,
  .step-item {
    transition: box-shadow var(--transition-base),
      transform var(--transition-base);
  }

  .guide-card:hover {
    transform: translateY(-2px);
  }
}