/* ==========================================================================
   在线漫画 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */

:root {
  --bg: #f3f4f2;
  --panel: #ffffff;
  --ink: #1a1e20;
  --ink-soft: #5a6367;
  --line: #dfe2df;
  --accent: #1f6f6b;
  --accent-soft: #e6f0ee;
  --update: #b4551c;
  --dark: #22262a;
  --radius: 4px;
  --shadow: 0 1px 2px rgba(26, 30, 32, 0.06);
  --shell: 1140px;
  --gap: 32px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Noto Sans SC", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.8;
  font-feature-settings: "tnum" 1;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 140ms ease;
}

a:hover {
  color: #17534f;
}

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

button {
  font: inherit;
  color: inherit;
}

time {
  font-variant-numeric: tabular-nums;
}

strong {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.8;
}

/* 页头 */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  flex: none;
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

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

.site-nav {
  flex: 1 1 auto;
  min-width: 0;
}

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

.site-nav li {
  flex: none;
}

.site-nav a {
  display: block;
  padding: 6px 10px;
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 14px;
  white-space: nowrap;
}

.site-nav a:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

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

.copy-link-btn {
  flex: none;
  margin-left: auto;
  padding: 6px 12px;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink-soft);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease, background 140ms ease;
}

.copy-link-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.copy-link-btn.is-copied {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.copy-link-btn.is-failed {
  border-color: var(--update);
  color: var(--update);
}

/* 主区域 */

.site-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px 56px;
}

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

/* 面包屑 */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 16px 0 0;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
}

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

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

.breadcrumb-sep {
  color: #9aa3a5;
}

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

/* 页面标题区 */

.page-header {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

.page-title-block,
.page-head {
  padding: 20px 0 0;
}

.page-lead {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 42em;
}

.page-meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* 页脚 */

.site-footer {
  flex: none;
  margin-top: auto;
  background: var(--dark);
  color: #c9d0d2;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 36px 24px 28px;
}

.footer-nav-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-col-title {
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-col a {
  display: inline-block;
  padding: 2px 0;
  font-size: 13px;
  color: #c9d0d2;
}

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

.footer-about {
  padding: 20px 0 12px;
  font-size: 13px;
  line-height: 1.8;
  color: #a8b0b3;
  max-width: 52em;
}

.footer-copyright {
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  color: #8d9598;
  font-variant-numeric: tabular-nums;
}

/* 通用双栏布局 */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--gap);
  align-items: start;
  padding-top: 28px;
}

.page-layout-narrow {
  grid-template-columns: minmax(0, 1fr);
  max-width: 780px;
  margin: 0 auto;
}

.page-primary {
  min-width: 0;
}

.page-aside {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 区块标题组 */

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 20px;
}

.section-head p {
  font-size: 13px;
  color: var(--ink-soft);
}

.section-intro,
.section-lead {
  margin-bottom: 18px;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 42em;
}

/* --------------------------------------------------------------------------
   components
   -------------------------------------------------------------------------- */

/* 题材标签 */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.7;
  white-space: nowrap;
}

.tag-suspense,
.tag-fantasy,
.tag-scifi {
  background: #eef1f4;
  color: #3b5568;
}

.tag-daily,
.tag-healing {
  background: #eef3ea;
  color: #4a6b3c;
}

.tag-romance {
  background: #f6eeef;
  color: #8f4b55;
}

.tag-history {
  background: #f3efe6;
  color: #7a6234;
}

.tag-sports {
  background: #e8f1f3;
  color: #2f6673;
}

.tag-workplace {
  background: #eceef3;
  color: #4a5470;
}

.tag-hotblood {
  background: #f8ece8;
  color: #a4512f;
}

/* 封面卡 */

.cover-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.cover-card {
  min-width: 0;
}

.cover-card > a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--ink);
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.cover-card > a:hover {
  transform: translateY(-2px);
  border-color: #c3cac6;
  box-shadow: 0 4px 10px rgba(26, 30, 32, 0.08);
}

.cover-card img {
  width: 100%;
  aspect-ratio: 16 / 22;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  background: #e7e9e7;
}

.cover-card .tag {
  align-self: flex-start;
}

.cover-name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.cover-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 时间线 */

.timeline {
  min-width: 0;
}

.timeline-group {
  position: relative;
  padding-left: 20px;
  margin-bottom: 24px;
}

.timeline-group::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: -18px;
  width: 1px;
  background: var(--line);
}

.timeline-group:last-of-type::before {
  bottom: 8px;
}

.timeline-date {
  position: relative;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--update);
  font-variant-numeric: tabular-nums;
}

.timeline-date::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--update);
  box-shadow: 0 0 0 3px var(--bg);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.timeline-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  padding: 8px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 140ms ease, transform 140ms ease;
}

.timeline-row:hover {
  border-color: #c3cac6;
  transform: translateX(2px);
}

.timeline-row a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  min-width: 0;
}

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

.timeline-change {
  flex: 1 1 auto;
  min-width: 140px;
  font-size: 13px;
  color: var(--ink-soft);
}

.timeline-more,
.topic-more {
  margin-top: 16px;
  font-size: 14px;
}

.timeline-more a,
.topic-more a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.timeline-more a::after,
.topic-more a::after {
  content: "→";
  font-size: 13px;
}

/* 侧栏块 */

.aside-block {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.aside-block h2 {
  font-size: 16px;
  margin-bottom: 6px;
}

.aside-note,
.aside-lead {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.genre-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.genre-tags li {
  min-width: 0;
}

.genre-tags .tag {
  width: 100%;
  justify-content: center;
  padding: 4px 6px;
  transition: background 140ms ease, color 140ms ease;
}

.genre-tags .tag:hover {
  background: var(--accent);
  color: #ffffff;
}

.aside-link,
.aside-links {
  margin-top: 14px;
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

/* 专题卡 */

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.topic-card {
  min-width: 0;
}

.topic-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--ink);
  transition: border-color 140ms ease, transform 140ms ease;
}

.topic-card a:hover {
  border-color: #c3cac6;
  transform: translateY(-2px);
}

.topic-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  background: #e7e9e7;
}

.topic-card h3 {
  padding: 12px 14px 0;
  font-size: 15px;
}

.topic-card p {
  padding: 6px 14px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 并列说明块 */

.entry-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.entry-block {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.entry-block h2 {
  font-size: 17px;
  margin-bottom: 8px;
}

.entry-block p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

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

/* 相关页面入口条 */

.related-bar {
  margin-top: 40px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related-title,
.related-bar-title {
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.related-bar ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.related-bar a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  font-weight: 500;
}

/* 折叠问答 */

.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item > button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 48px;
  padding: 12px 2px;
  border: 0;
  background: transparent;
  text-align: left;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}

.faq-item > button::after {
  content: "+";
  flex: none;
  font-size: 18px;
  font-weight: 400;
  color: var(--ink-soft);
  line-height: 1;
}

.faq-item > button[aria-expanded="true"]::after {
  content: "−";
  color: var(--accent);
}

.faq-answer {
  padding: 0 2px 16px;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 42em;
}

.faq-answer[hidden] {
  display: none;
}

/* 移动端任务栏 */

.mobile-taskbar {
  display: none;
}

/* 跳转链接 */

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 60;
  padding: 8px 14px;
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-size: 14px;
  transition: top 140ms ease;
}

.skip-link:focus {
  top: 8px;
}

/* 通用列表样式 */

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.entry-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.entry-row:last-child {
  border-bottom: 0;
}

.entry-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.entry-name a {
  color: var(--ink);
}

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

.entry-desc,
.entry-note {
  flex: 1 1 220px;
  min-width: 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.home-main {
  padding-top: 28px;
}

/* 首屏 */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 480px;
  gap: 40px;
  align-items: center;
  padding: 8px 0 36px;
  border-bottom: 1px solid var(--line);
}

.hero-text {
  min-width: 0;
}

.hero h1 {
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 14px;
}

.hero-lead {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 40em;
  margin-bottom: 22px;
}

.hero-entries {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.hero-entries li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 150px;
  transition: border-color 140ms ease, transform 140ms ease;
}

.hero-entries li:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.hero-entries a {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
}

.hero-entries .entry-note {
  flex: none;
  font-size: 12px;
  color: var(--ink-soft);
}

.hero-figure {
  margin: 0;
  min-width: 0;
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #e7e9e7;
}

.hero-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* 封面墙 */

.cover-wall {
  padding: 36px 0 8px;
}

/* 主体双栏 */

.home-main .page-layout {
  padding-top: 36px;
}

/* 专题区 */

.topic-row {
  padding: 36px 0 8px;
  border-top: 1px solid var(--line);
  margin-top: 36px;
}

/* 阅读与版权入口 */

.home-main .entry-pair {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   pages · 题材分类
   -------------------------------------------------------------------------- */

.page-ticai .category-overview,
.page-ticai .category-detail,
.page-ticai .pick-method,
.page-ticai .cross-section {
  padding-top: 32px;
}

.category-overview h2,
.category-detail h2,
.pick-method h2,
.cross-section h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.overview-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 40px;
  padding: 16px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.overview-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.overview-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.overview-list li:last-child {
  border-bottom: 0;
}

.overview-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  color: var(--ink);
  min-width: 0;
}

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

.overview-list strong {
  flex: none;
  font-size: 14px;
  color: var(--accent);
}

.category-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  padding: 20px;
  margin-bottom: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  align-items: start;
}

.category-block .category-figure {
  grid-column: 1 / -1;
  margin: 0;
  min-width: 0;
}

.category-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  background: #e7e9e7;
}

.category-figure figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}

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

.category-info h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.category-desc {
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 6px;
}

.category-scene {
  font-size: 13px;
  color: var(--ink-soft);
}

.category-block .entry-list {
  min-width: 0;
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

.category-block .entry-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.category-block .entry-list li:last-child {
  border-bottom: 0;
}

.category-block .entry-list .entry-name {
  font-size: 14px;
  font-weight: 500;
}

.category-block .entry-list .entry-note {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--ink-soft);
}

.category-block .entry-list .tag {
  align-self: start;
}

.method-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.method-col {
  min-width: 0;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.method-col h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.method-col p {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.method-col p:last-child {
  margin-bottom: 0;
}

.cross-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cross-note {
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 更新日程
   -------------------------------------------------------------------------- */

.page-gengxin .timeline-section,
.page-gengxin .rhythm-section,
.page-gengxin .catchup-section {
  padding-top: 8px;
  margin-bottom: 36px;
}

.page-gengxin .timeline-section h2,
.page-gengxin .rhythm-section h2,
.page-gengxin .catchup-section h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.timeline-banner {
  margin: 0 0 20px;
  min-width: 0;
}

.timeline-banner img {
  width: 100%;
  aspect-ratio: 21 / 9;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #e7e9e7;
}

.timeline-banner figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}

.page-gengxin .timeline-group {
  padding-left: 20px;
}

.timeline-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  padding: 8px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 2px;
}

.timeline-item-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.timeline-item-note {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 13px;
  color: var(--ink-soft);
}

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

.rhythm-item {
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rhythm-item h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.rhythm-item p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.rhythm-item p:last-child {
  margin-bottom: 0;
}

.catchup-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: catchup;
}

.catchup-item {
  position: relative;
  padding: 16px 18px 16px 56px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  counter-increment: catchup;
}

.catchup-item::before {
  content: counter(catchup, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.catchup-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.catchup-item p {
  font-size: 14px;
  color: var(--ink-soft);
}

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

.checklist-item {
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.checklist-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border: 1px solid var(--accent);
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   pages · 读者榜单
   -------------------------------------------------------------------------- */

.page-paihang .rank-intro,
.page-paihang .rank-list-block,
.page-paihang .rank-distribution,
.page-paihang .rank-usage {
  max-width: 880px;
  margin: 0 auto;
  padding-top: 32px;
}

.page-paihang .rank-intro h2,
.page-paihang .rank-list-block h2,
.page-paihang .rank-distribution h2,
.page-paihang .rank-usage h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.rank-intro p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.rank-visual {
  max-width: 880px;
  margin: 20px auto 0;
  min-width: 0;
}

.rank-visual img {
  width: 100%;
  aspect-ratio: 21 / 9;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #e7e9e7;
}

.rank-visual figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}

.rank-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.rank-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 0 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  transition: background 140ms ease;
}

.rank-row:hover {
  background: rgba(255, 255, 255, 0.6);
}

.rank-num {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

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

.rank-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}

.rank-reason {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.rank-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.distribution-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 32px;
}

.distribution-col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.distribution-item {
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink-soft);
}

.usage-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: usage;
}

.usage-item {
  position: relative;
  padding: 14px 18px 14px 56px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
  counter-increment: usage;
}

.usage-num {
  position: absolute;
  left: 18px;
  top: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   pages · 专题合辑
   -------------------------------------------------------------------------- */

.page-container {
  max-width: 900px;
  margin: 0 auto;
}

.page-zhuanti .page-head {
  padding-top: 20px;
}

.topic-list {
  padding-top: 28px;
}

.topic-list h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.topic-block {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
  padding: 20px;
  margin-bottom: 40px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  align-items: start;
}

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

.topic-media {
  margin: 0;
  min-width: 0;
}

.topic-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  background: #e7e9e7;
}

.topic-media figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}

.topic-body {
  min-width: 0;
}

.topic-body h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.topic-desc {
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 8px;
}

.topic-logic {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.topic-logic strong {
  color: var(--accent);
  margin-right: 6px;
}

.topic-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
  counter-reset: topic;
}

.topic-items li {
  position: relative;
  padding-left: 26px;
  counter-increment: topic;
  font-size: 13px;
  line-height: 1.7;
}

.topic-items li::before {
  content: counter(topic) ".";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.topic-item-name {
  font-weight: 500;
  color: var(--ink);
  margin-right: 6px;
}

.topic-item-note {
  color: var(--ink-soft);
}

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.topic-compare {
  padding-top: 36px;
}

.topic-compare h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.compare-item {
  padding: 16px 18px;
  margin-bottom: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.compare-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.compare-item p {
  font-size: 14px;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   pages · 阅读说明
   -------------------------------------------------------------------------- */

.page-layout-narrow .page-title-block {
  padding-top: 24px;
}

.page-hero {
  margin: 20px 0 0;
  min-width: 0;
}

.page-hero img {
  width: 100%;
  aspect-ratio: 21 / 9;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #e7e9e7;
}

.page-hero figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}

.content-section {
  padding-top: 32px;
}

.content-section h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.page-yuedu .step-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-yuedu .step-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 0 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-yuedu .step-index {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.6;
}

.page-yuedu .step-body {
  min-width: 0;
}

.page-yuedu .step-title {
  font-size: 15px;
  margin-bottom: 2px;
}

.page-yuedu .step-body p {
  font-size: 13px;
  color: var(--ink-soft);
}

.page-yuedu .boundary-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-yuedu .boundary-list li {
  position: relative;
  padding: 10px 14px 10px 34px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
}

.page-yuedu .boundary-list li::before {
  content: "×";
  position: absolute;
  left: 14px;
  top: 10px;
  color: var(--update);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   pages · 版权反馈
   -------------------------------------------------------------------------- */

.page-shell {
  max-width: 720px;
  margin: 0 auto;
}

.narrow-shell {
  max-width: 720px;
  margin: 0 auto;
}

.page-figure {
  margin: 20px 0 0;
  min-width: 0;
}

.page-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #e7e9e7;
}

.page-figure figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}

.source-block {
  padding: 16px 18px;
  margin-bottom: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.source-block h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.source-block p {
  font-size: 14px;
  color: var(--ink-soft);
}

.page-banquan .boundary-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-banquan .boundary-list li {
  position: relative;
  padding: 12px 16px 12px 36px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
}

.page-banquan .boundary-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 19px;
  width: 8px;
  height: 8px;
  background: var(--update);
  border-radius: 50%;
}

.page-banquan .step-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: step;
}

.page-banquan .step-list li {
  position: relative;
  padding: 16px 18px 16px 60px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  counter-increment: step;
}

.page-banquan .step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-banquan .step-list h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.page-banquan .step-list p {
  font-size: 13px;
  color: var(--ink-soft);
}

.reuse-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.reuse-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.reuse-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  padding-top: 56px;
  padding-bottom: 72px;
}

.error-panel {
  max-width: 620px;
  margin: 0 auto;
  padding: 32px 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: left;
}

.error-code {
  font-size: 44px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.error-panel h1 {
  font-size: 26px;
  margin-bottom: 10px;
}

.error-text {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 22px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.error-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 22px;
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
}

.error-btn:hover {
  background: #17534f;
  color: #ffffff;
}

.error-link {
  font-size: 14px;
  font-weight: 500;
}

.error-guide {
  max-width: 620px;
  margin: 32px auto 0;
}

.error-guide h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.error-guide-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.error-guide-list li {
  border-bottom: 1px solid var(--line);
}

.error-guide-list li:last-child {
  border-bottom: 0;
}

.error-guide-list a {
  display: block;
  padding: 12px 18px;
  font-size: 14px;
  color: var(--ink);
}

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

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 32px;
  }

  .topic-block {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (max-width: 960px) {
  .site-nav ul {
    gap: 0;
  }

  .site-nav a {
    padding: 6px 8px;
    font-size: 13px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .hero-figure {
    order: -1;
  }

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

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

  .cover-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .page-aside {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .entry-pair {
    grid-template-columns: minmax(0, 1fr);
  }

  .category-block {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .category-block .entry-list {
    border-left: 0;
    padding-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 12px;
  }

  .method-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topic-block {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

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

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .header-inner {
    height: 56px;
    padding: 0 16px;
    gap: 12px;
  }

  .brand {
    font-size: 16px;
  }

  .site-nav {
    display: none;
  }

  .copy-link-btn {
    min-height: 36px;
    padding: 6px 10px;
    font-size: 12px;
  }

  .site-main,
  .inner-main {
    padding: 0 16px 40px;
  }

  .home-main {
    padding-top: 20px;
  }

  .breadcrumb {
    padding-top: 12px;
    font-size: 12px;
  }

  .page-header {
    padding: 18px 0;
  }

  .page-title {
    font-size: 22px;
  }

  .hero {
    padding-bottom: 28px;
  }

  .hero h1 {
    font-size: 26px;
    margin-bottom: 10px;
  }

  .hero-lead {
    font-size: 14px;
    margin-bottom: 18px;
  }

  .hero-entries {
    flex-direction: column;
    gap: 8px;
  }

  .hero-entries li {
    width: 100%;
    min-height: 48px;
  }

  .cover-wall {
    padding-top: 28px;
  }

  .section-head h2,
  .category-overview h2,
  .category-detail h2,
  .pick-method h2,
  .cross-section h2,
  .page-gengxin .timeline-section h2,
  .page-gengxin .rhythm-section h2,
  .page-gengxin .catchup-section h2,
  .page-paihang .rank-intro h2,
  .page-paihang .rank-list-block h2,
  .page-paihang .rank-distribution h2,
  .page-paihang .rank-usage h2,
  .topic-list h2,
  .topic-compare h2,
  .content-section h2 {
    font-size: 18px;
  }

  .home-main .page-layout {
    padding-top: 28px;
  }

  .page-aside {
    grid-template-columns: minmax(0, 1fr);
  }

  .topic-row {
    padding-top: 28px;
    margin-top: 28px;
  }

  .topic-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .home-main .entry-pair {
    margin-top: 28px;
    padding-top: 28px;
  }

  .overview-columns {
    grid-template-columns: minmax(0, 1fr);
    padding: 12px 16px;
  }

  .method-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .distribution-cols {
    grid-template-columns: minmax(0, 1fr);
  }

  .rank-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 0 10px;
    padding: 12px 0;
  }

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

  .timeline-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .timeline-change {
    min-width: 0;
  }

  .timeline-item {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .timeline-item-note {
    flex: none;
  }

  .category-block {
    padding: 16px;
  }

  .topic-block {
    padding: 16px;
    margin-bottom: 28px;
  }

  .related-bar {
    margin-top: 28px;
    padding: 14px 16px;
  }

  .related-bar ul {
    flex-direction: column;
    gap: 4px;
  }

  .related-bar a {
    min-height: 44px;
  }

  .entry-row {
    flex-direction: column;
    gap: 2px;
    padding: 10px 0;
  }

  .entry-desc,
  .entry-note {
    flex: none;
  }

  .error-main {
    padding-top: 32px;
    padding-bottom: 96px;
  }

  .error-panel {
    padding: 24px 20px;
  }

  .error-code {
    font-size: 36px;
  }

  .error-panel h1 {
    font-size: 22px;
  }

  .footer-inner {
    padding: 28px 16px 24px;
  }

  .footer-nav-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .footer-col a {
    padding: 6px 0;
    min-height: 32px;
  }

  /* 移动端任务栏 */

  .mobile-taskbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    display: block;
    background: var(--panel);
    border-top: 1px solid var(--line);
  }

  .mobile-taskbar ul {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .mobile-taskbar li {
    min-width: 0;
  }

  .mobile-taskbar a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    font-size: 13px;
    color: var(--ink-soft);
  }

  .mobile-taskbar a.is-current {
    color: var(--accent);
    font-weight: 600;
    position: relative;
  }

  .mobile-taskbar a.is-current::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
  }

  .site-body {
    padding-bottom: 56px;
  }

  .site-footer {
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }

  .cover-card > a:hover,
  .topic-card a:hover,
  .timeline-row:hover,
  .hero-entries li:hover {
    transform: none;
  }
}