/* ==========================================================================
   汗汗漫画 - 整站样式表
   视觉方向：报纸编辑风，黑白主色，细分隔线，多栏布局
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base：变量、重置、全局基础
   -------------------------------------------------------------------------- */
:root {
  --ink: #1a1a1a;
  --paper: #fafafa;
  --gray: #666;
  --gray-light: #999;
  --accent: #b30000;
  --line: #e0e0e0;
  --line-dark: #c8c8c8;
  --white: #ffffff;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: 1200px;
  --radius: 6px;
  --gap: 24px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

strong {
  font-weight: 700;
}

figure {
  margin: 0;
}

figcaption {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
  margin-top: 8px;
}

/* --------------------------------------------------------------------------
   Layout：全站骨架容器
   -------------------------------------------------------------------------- */
.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 100;
}

.site-nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

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

.brand-name {
  position: relative;
}

.brand-name::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.brand-link:hover .brand-name::after {
  transform: scaleX(1);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 6px 14px;
  font-size: 14px;
  color: var(--ink);
  border-radius: var(--radius);
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  background: rgba(179, 0, 0, 0.06);
  color: var(--accent);
}

.nav-link.is-current {
  color: var(--accent);
  font-weight: 600;
  background: rgba(179, 0, 0, 0.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-main {
  flex: 1;
  width: 100%;
}

.site-footer {
  background: var(--white);
  border-top: 1px solid var(--line);
  margin-top: 60px;
}

.footer-columns {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-group {
  min-width: 0;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

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

.footer-links a {
  font-size: 14px;
  color: var(--gray);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-meta {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px 32px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.footer-copy {
  font-size: 13px;
  color: var(--gray-light);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Components：通用组件
   -------------------------------------------------------------------------- */

/* 面包屑 */
.breadcrumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 13px;
  color: var(--gray);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

.breadcrumb-sep {
  color: var(--gray-light);
  margin: 0 2px;
}

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

/* 页面标题区 */
.page-header {
  max-width: var(--container);
  margin: 0 auto;
  padding: 28px 24px 24px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 32px;
}

.page-title {
  font-size: 30px;
  margin-bottom: 10px;
}

.page-description {
  font-size: 15px;
  color: var(--gray);
  max-width: 720px;
  margin-bottom: 0;
}

/* 区块标题 */
.section-title {
  font-size: 20px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 48px;
  height: 2px;
  background: var(--accent);
}

.section-desc,
.section-intro,
.section-lead {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 20px;
  max-width: 760px;
}

/* 封面图容器 */
.content-media {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.content-media figcaption {
  padding: 8px 12px;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.content-media-primary {
  width: 100%;
  aspect-ratio: 16 / 9;
}

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

.content-media-inline {
  max-width: 640px;
  aspect-ratio: 16 / 9;
  margin: 0 auto 24px;
}

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

/* 更多链接 */
.more-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.more-link:hover {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* 折叠问答 */
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 14px 44px 14px 16px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: background 0.2s ease;
  user-select: none;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--accent);
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-item[open] summary {
  background: rgba(179, 0, 0, 0.04);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

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

/* --------------------------------------------------------------------------
   Pages - 首页
   -------------------------------------------------------------------------- */

/* 首屏服务清单 */
.hero-services {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.hero-copy {
  padding-right: 16px;
}

.hero-copy h1 {
  font-size: 32px;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-slogan {
  font-size: 17px;
  color: var(--gray);
  margin-bottom: 0;
  line-height: 1.8;
}

.hero-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.action-card {
  display: block;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.action-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 12px rgba(26, 26, 26, 0.06);
  transform: translateY(-2px);
}

.action-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}

.action-card:hover .action-title {
  color: var(--accent);
}

.action-desc {
  display: block;
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
}

/* 多栏速览区 */
.home-dashboard {
  max-width: var(--container);
  margin: 0 auto;
  padding: 8px 24px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}

.dash-column {
  min-width: 0;
}

.dash-column .section-title {
  font-size: 18px;
  margin-bottom: 14px;
}

.update-mini-list {
  margin-bottom: 12px;
}

.update-mini-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

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

.update-tag {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--accent);
  border: 1px solid rgba(179, 0, 0, 0.3);
  border-radius: 3px;
  padding: 1px 6px;
  white-space: nowrap;
}

.update-mini-item a {
  color: var(--ink);
  transition: color 0.2s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.update-mini-item a:hover {
  color: var(--accent);
}

.rank-mini-list {
  margin-bottom: 12px;
  counter-reset: rank;
}

.rank-mini-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.rank-mini-list li:last-child {
  border-bottom: none;
}

.rank-mini-list li::before {
  counter-increment: rank;
  content: counter(rank);
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-light);
  min-width: 20px;
  text-align: center;
}

.rank-mini-list li:first-child::before {
  color: var(--accent);
  font-size: 16px;
}

.rank-mini-list a {
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.rank-mini-list a:hover {
  color: var(--accent);
}

.rank-tag {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--gray);
  background: rgba(26, 26, 26, 0.05);
  border-radius: 3px;
  padding: 1px 6px;
  white-space: nowrap;
}

.featured-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
  transition: box-shadow 0.2s ease;
}

.featured-card:hover {
  box-shadow: 0 2px 12px rgba(26, 26, 26, 0.08);
}

.featured-card a {
  display: block;
}

.featured-cover {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.featured-title {
  font-size: 16px;
  padding: 12px 14px 4px;
}

.featured-excerpt {
  font-size: 13px;
  color: var(--gray);
  padding: 0 14px 12px;
  margin-bottom: 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 题材分类标签墙 */
.genre-wall {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
  border-top: 1px solid var(--line);
}

.genre-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.genre-tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  transition: all 0.2s ease;
}

.genre-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(179, 0, 0, 0.04);
}

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

.genre-sample-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.genre-sample-card img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.genre-sample-card figcaption {
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--white);
  border-top: 1px solid var(--line);
}

/* 阅读指南流程预览 */
.guide-preview {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
  border-top: 1px solid var(--line);
}

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

.step-node {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  transition: border-color 0.2s ease;
}

.step-node:hover {
  border-color: var(--accent);
}

.step-node .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 12px;
}

.step-node .step-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.step-node .step-desc {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 12px;
  line-height: 1.6;
}

.step-node .step-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.guide-preview-more {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.guide-preview-more:hover {
  border-bottom-color: var(--accent);
}

/* FAQ */
.home-faq {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
  border-top: 1px solid var(--line);
}

/* 版权说明 */
.copyright-note {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 24px;
  border-top: 1px solid var(--line);
}

.copyright-note p {
  font-size: 14px;
  color: var(--gray);
  max-width: 820px;
  margin-bottom: 0;
}

.copyright-note a {
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Pages - 内页通用
   -------------------------------------------------------------------------- */
.inner-main {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Pages - 题材分类
   -------------------------------------------------------------------------- */
.genre-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.genre-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 20px;
}

.genre-title {
  font-size: 20px;
  margin-bottom: 0;
}

.genre-status {
  font-size: 12px;
  color: var(--accent);
  border: 1px solid rgba(179, 0, 0, 0.3);
  border-radius: 3px;
  padding: 2px 8px;
}

.genre-count {
  font-size: 12px;
  color: var(--gray);
  background: rgba(26, 26, 26, 0.05);
  border-radius: 3px;
  padding: 2px 8px;
}

.genre-content {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  align-items: start;
}

.genre-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

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

.genre-caption {
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  border-top: 1px solid var(--line);
}

.genre-desc p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 12px;
  line-height: 1.75;
}

.genre-desc p:first-child {
  color: var(--ink);
  font-size: 15px;
}

.genre-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 8px;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.genre-link:hover {
  border-bottom-color: var(--accent);
}

.genre-note {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 0;
  border-top: 1px solid var(--line);
}

.genre-note-title {
  font-size: 18px;
  margin-bottom: 14px;
}

.genre-note-text {
  font-size: 14px;
  color: var(--gray);
  max-width: 820px;
}

.genre-note-text a {
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Pages - 更新动态
   -------------------------------------------------------------------------- */
.update-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.update-list {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.update-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}

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

.update-item:hover {
  background: rgba(179, 0, 0, 0.03);
}

.update-cover {
  width: 120px;
  height: 84px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
}

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

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

.update-name {
  font-size: 16px;
  margin-bottom: 4px;
}

.update-content {
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.5;
}

.update-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 0;
}

.update-time {
  color: var(--gray-light);
}

.update-status {
  display: inline-block;
  font-size: 11px;
  color: var(--accent);
  border: 1px solid rgba(179, 0, 0, 0.3);
  border-radius: 3px;
  padding: 1px 6px;
}

/* 相关链接 */
.related-links {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 0;
  border-top: 1px solid var(--line);
}

.related-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.related-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}

.related-list a {
  display: block;
  padding: 12px 10px;
  font-size: 14px;
  color: var(--ink);
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

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

/* --------------------------------------------------------------------------
   Pages - 人气榜单
   -------------------------------------------------------------------------- */
.rank-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.rank-list {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.rank-item {
  display: grid;
  grid-template-columns: 48px 72px 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}

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

.rank-item:hover {
  background: rgba(179, 0, 0, 0.03);
}

.rank-number {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-light);
  text-align: center;
  line-height: 1;
}

.rank-item:first-child .rank-number {
  color: var(--accent);
  font-size: 28px;
}

.rank-item:nth-child(2) .rank-number {
  color: var(--ink);
  font-size: 26px;
}

.rank-cover {
  width: 72px;
  height: 54px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

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

.rank-title {
  font-size: 16px;
  margin-bottom: 2px;
}

.rank-tags {
  font-size: 12px;
  color: var(--gray-light);
  margin-bottom: 4px;
}

.rank-desc {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 0;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 榜单说明 */
.rank-note-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 0;
  border-top: 1px solid var(--line);
}

.note-content {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

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

.note-content p:last-child {
  margin-bottom: 0;
}

.note-content strong {
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   Pages - 编辑推荐
   -------------------------------------------------------------------------- */
.feature-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.section-heading {
  margin-bottom: 20px;
}

.section-heading h2 {
  font-size: 20px;
  margin-bottom: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  position: relative;
}

.section-heading h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 48px;
  height: 2px;
  background: var(--accent);
}

.section-note {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 0;
}

.feature-topic-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.topic-media {
  border-right: 1px solid var(--line);
}

.topic-figure {
  height: 100%;
}

.topic-figure img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.topic-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--gray);
  border-top: 1px solid var(--line);
}

.topic-content {
  padding: 24px;
}

.topic-name {
  font-size: 22px;
  margin-bottom: 8px;
}

.topic-tags {
  font-size: 13px;
  color: var(--gray-light);
  margin-bottom: 14px;
}

.topic-desc {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 16px;
  line-height: 1.7;
}

.topic-reason {
  font-size: 14px;
  background: rgba(179, 0, 0, 0.04);
  border-left: 3px solid var(--accent);
  padding: 12px 14px;
  margin-bottom: 14px;
  line-height: 1.6;
}

.topic-reason strong {
  color: var(--accent);
}

.topic-order {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 16px;
  line-height: 1.6;
}

.topic-order strong {
  color: var(--ink);
}

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

.topic-links a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: all 0.2s ease;
}

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

/* 子推荐 */
.feature-subsection {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 40px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}

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

.sub-feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.sub-feature-card:hover {
  box-shadow: 0 2px 12px rgba(26, 26, 26, 0.08);
}

.sub-feature-media {
  border-bottom: 1px solid var(--line);
}

.sub-feature-media figure img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.sub-feature-body {
  padding: 16px;
}

.sub-feature-name {
  font-size: 17px;
  margin-bottom: 4px;
}

.sub-feature-tags {
  font-size: 12px;
  color: var(--gray-light);
  margin-bottom: 10px;
}

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

.sub-feature-note {
  font-size: 13px;
  color: var(--ink);
  background: rgba(26, 26, 26, 0.04);
  border-radius: var(--radius);
  padding: 8px 10px;
  margin-bottom: 0;
  line-height: 1.5;
}

/* 往期推荐 */
.past-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.past-feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.past-feature-card:hover {
  box-shadow: 0 2px 12px rgba(26, 26, 26, 0.08);
}

.past-feature-media figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.past-feature-body {
  padding: 14px;
}

.past-feature-name {
  font-size: 15px;
  margin-bottom: 2px;
}

.past-feature-tags {
  font-size: 12px;
  color: var(--gray-light);
  margin-bottom: 8px;
}

.past-feature-desc {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.past-feature-body a {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

/* 推荐说明 */
.feature-note-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 0;
  border-top: 1px solid var(--line);
}

.feature-note-content {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.feature-note-content p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 10px;
  line-height: 1.7;
}

.feature-note-content p:last-child {
  margin-bottom: 0;
}

.feature-note-content a {
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Pages - 阅读指南
   -------------------------------------------------------------------------- */
.guide-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 40px;
}

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

.step-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  transition: border-color 0.2s ease;
}

.step-item:hover {
  border-color: var(--accent);
}

.step-item .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 12px;
}

.step-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 10px;
  line-height: 1.6;
}

.step-item a {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

/* 追更技巧 */
.tips-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.tip-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.tip-item h3 {
  font-size: 15px;
  margin-bottom: 6px;
  padding-left: 14px;
  position: relative;
}

.tip-item h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 16px;
  background: var(--accent);
  border-radius: 2px;
}

.tip-item p {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 0;
  line-height: 1.6;
}

/* FAQ 列表 */
.faq-list {
  max-width: 860px;
}

/* --------------------------------------------------------------------------
   Pages - 关于本站
   -------------------------------------------------------------------------- */
.about-content {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.about-section {
  margin-bottom: 40px;
}

.positioning-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.positioning-text p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 12px;
}

.positioning-text p:first-child {
  color: var(--ink);
  font-size: 15px;
}

.positioning-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

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

.positioning-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--gray);
  border-top: 1px solid var(--line);
}

/* 内容范围 */
.scope-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

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

.scope-block p:last-child {
  margin-bottom: 0;
}

.scope-figure {
  margin-top: 16px;
}

.scope-figure img {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.scope-figure figcaption {
  font-size: 13px;
  color: var(--gray-light);
  margin-top: 8px;
}

/* 版权声明 */
.copyright-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

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

.copyright-block p:last-child {
  margin-bottom: 0;
}

.copyright-block strong {
  color: var(--ink);
}

/* 反馈方式 */
.feedback-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.feedback-block p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 12px;
  line-height: 1.7;
}

.feedback-list {
  margin-top: 8px;
}

.feedback-list li {
  font-size: 14px;
  color: var(--gray);
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}

.feedback-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--accent);
}

.feedback-block a {
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Pages - 404
   -------------------------------------------------------------------------- */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

.error-panel {
  max-width: 520px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 48px 40px;
}

.error-code {
  font-size: 64px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-message {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

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

.error-action {
  display: inline-block;
  padding: 10px 24px;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s ease;
}

.error-action:hover {
  background: var(--accent);
  color: var(--white);
}

/* --------------------------------------------------------------------------
   Responsive：响应式断点
   -------------------------------------------------------------------------- */

/* 平板及以下 1024px */
@media (max-width: 1024px) {
  .hero-services {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-copy {
    padding-right: 0;
  }

  .home-dashboard {
    grid-template-columns: 1fr 1fr;
  }

  .dash-featured {
    grid-column: 1 / -1;
  }

  .featured-card {
    display: grid;
    grid-template-columns: 320px 1fr;
  }

  .featured-cover {
    height: 100%;
    aspect-ratio: auto;
  }

  .genre-content {
    grid-template-columns: 260px 1fr;
  }

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

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

/* 手机 768px 及以下 */
@media (max-width: 768px) {
  .site-nav {
    height: auto;
    min-height: 56px;
    flex-wrap: wrap;
    padding: 8px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
    border-top: 1px solid var(--line);
    margin-top: 8px;
  }

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

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

  .nav-link {
    padding: 12px 16px;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 20px 16px;
  }

  .footer-meta {
    padding: 16px 20px 24px;
  }

  .breadcrumb {
    padding: 12px 16px 0;
  }

  .page-header {
    padding: 20px 16px 16px;
    margin-bottom: 24px;
  }

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

  .hero-services {
    padding: 24px 16px;
  }

  .hero-copy h1 {
    font-size: 26px;
  }

  .hero-actions {
    grid-template-columns: 1fr 1fr;
  }

  .action-card {
    padding: 14px;
  }

  .home-dashboard {
    grid-template-columns: 1fr;
    padding: 8px 16px 16px;
  }

  .dash-featured {
    grid-column: auto;
  }

  .featured-card {
    display: block;
  }

  .featured-cover {
    aspect-ratio: 16 / 8;
  }

  .genre-wall {
    padding: 32px 16px 16px;
  }

  .genre-sample {
    grid-template-columns: 1fr;
  }

  .genre-sample-card img {
    aspect-ratio: 16 / 8;
  }

  .guide-preview {
    padding: 32px 16px 16px;
  }

  .steps-wrapper {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .home-faq {
    padding: 32px 16px 16px;
  }

  .copyright-note {
    padding: 24px 16px 16px;
  }

  /* 分类页 */
  .genre-section {
    padding: 0 16px 32px;
  }

  .genre-content {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .genre-figure {
    max-width: 320px;
  }

  .genre-cover {
    aspect-ratio: 4 / 3;
  }

  .genre-note {
    padding: 24px 16px 0;
  }

  /* 更新页 */
  .update-section {
    padding: 0 16px 32px;
  }

  .update-item {
    grid-template-columns: 88px 1fr;
    gap: 12px;
    padding: 12px;
  }

  .update-cover {
    width: 88px;
    height: 66px;
  }

  .related-links {
    padding: 24px 16px 0;
  }

  .related-list {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  /* 榜单页 */
  .rank-section {
    padding: 0 16px 32px;
  }

  .rank-item {
    grid-template-columns: 36px 56px 1fr;
    gap: 10px;
    padding: 12px;
  }

  .rank-number {
    font-size: 20px;
  }

  .rank-cover {
    width: 56px;
    height: 42px;
  }

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

  .rank-note-section {
    padding: 24px 16px 0;
  }

  /* 推荐页 */
  .feature-section {
    padding: 0 16px 32px;
  }

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

  .topic-media {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .topic-figure img {
    aspect-ratio: 16 / 9;
  }

  .topic-content {
    padding: 16px;
  }

  .feature-subsection {
    padding: 24px 16px 32px;
  }

  .feature-sub-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .past-feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .feature-note-section {
    padding: 24px 16px 0;
  }

  /* 指南页 */
  .guide-section {
    padding: 0 16px 32px;
  }

  .steps-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .tips-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 关于页 */
  .about-content {
    padding: 0 16px;
  }

  .positioning-block {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .positioning-figure img {
    aspect-ratio: 16 / 9;
  }

  /* 404 */
  .error-main {
    padding: 48px 16px;
  }

  .error-panel {
    padding: 32px 20px;
  }

  .error-code {
    font-size: 48px;
  }
}

/* 小手机 480px 及以下 */
@media (max-width: 480px) {
  .hero-actions {
    grid-template-columns: 1fr;
  }

  .action-card {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .action-title {
    margin-bottom: 0;
    min-width: 72px;
  }

  .action-desc {
    font-size: 12px;
  }

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

  .past-feature-grid {
    grid-template-columns: 1fr;
  }

  .update-item {
    grid-template-columns: 72px 1fr;
    gap: 10px;
    padding: 10px;
  }

  .update-cover {
    width: 72px;
    height: 54px;
  }

  .update-name {
    font-size: 15px;
  }

  .update-content {
    font-size: 13px;
  }

  .rank-item {
    grid-template-columns: 28px 48px 1fr;
    gap: 8px;
    padding: 10px;
  }

  .rank-cover {
    width: 48px;
    height: 36px;
  }

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

  .rank-title {
    font-size: 15px;
  }

  .rank-tags {
    font-size: 11px;
  }

  .rank-desc {
    font-size: 12px;
  }
}