/* ==========================================================================
   天美小说 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */
:root {
  --bg-page: #f5f6f8;
  --bg-panel: #e9edf5;
  --bg-card: #ffffff;
  --ink: #101828;
  --ink-soft: #4a5468;
  --ink-mute: #6b7488;
  --navy: #1b2a6b;
  --navy-deep: #131f52;
  --orange: #fe5a1d;
  --yellow: #ffd233;
  --line: #d5d9e2;
  --line-soft: #e4e8f0;
  --radius: 8px;
  --radius-sm: 4px;
  --shell: 1200px;
  --gutter: 24px;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  --font-serif: "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", "STSong", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

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

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

body {
  margin: 0;
  background-color: var(--bg-page);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

p {
  margin: 0;
}

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

a {
  color: var(--navy);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover,
a:focus-visible {
  color: var(--orange);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

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

figure {
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 120;
  padding: 10px 18px;
  background-color: var(--navy);
  color: #ffffff;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--navy);
  border-bottom: 3px solid var(--orange);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: 68px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
  color: #ffffff;
}

.brand:hover,
.brand:focus-visible {
  color: var(--yellow);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.brand-slogan {
  font-size: 12px;
  line-height: 1.3;
  color: #b9c1dd;
}

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

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

.nav-link {
  display: block;
  padding: 8px 14px;
  min-height: 40px;
  font-size: 15px;
  line-height: 24px;
  color: #d8dcec;
  border-radius: 999px;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.is-current {
  color: var(--navy-deep);
  background-color: var(--yellow);
  font-weight: 600;
}

.nav-link.is-current:hover,
.nav-link.is-current:focus-visible {
  color: var(--navy-deep);
  background-color: var(--yellow);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.lang-entry {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 13px;
  color: #d8dcec;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius-sm);
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: #ffffff;
  border-radius: 2px;
}

.mobile-nav {
  display: none;
  background-color: var(--navy-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.mobile-nav-list {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 8px var(--gutter) 16px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 12px;
  font-size: 16px;
  color: #d8dcec;
  border-radius: var(--radius-sm);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus-visible {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.mobile-nav-link.is-active {
  color: var(--navy-deep);
  background-color: var(--yellow);
  font-weight: 600;
}

.site-main {
  display: block;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) 64px;
}

.home-main {
  padding-top: 32px;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 0 16px;
  font-size: 14px;
  color: var(--ink-mute);
}

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

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--orange);
}

.breadcrumb-sep {
  color: var(--line);
}

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

.page-header {
  padding: 4px 0 12px;
}

.page-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy-deep);
  letter-spacing: 0;
}

.page-title-block {
  padding: 0 0 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.page-lead {
  max-width: 860px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-kicker {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  background-color: var(--bg-panel);
  border-radius: 999px;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 32px;
  align-items: start;
}

.sidebar-left .page-layout,
.page-layout.sidebar-left {
  grid-template-columns: 240px minmax(0, 1fr);
}

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

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

.page-shell {
  display: block;
}

.site-footer {
  background-color: var(--navy-deep);
  color: #c8cee2;
  border-top: 3px solid var(--orange);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 32px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 48px var(--gutter) 32px;
}

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

.footer-brand {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #a8b0cb;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--yellow);
  margin-bottom: 14px;
}

.footer-list li + li {
  margin-top: 4px;
}

.footer-list a {
  display: inline-block;
  padding: 4px 0;
  font-size: 14px;
  color: #c8cee2;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--yellow);
}

.footer-text {
  font-size: 14px;
  line-height: 1.8;
  color: #a8b0cb;
  margin-bottom: 12px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-deep);
  background-color: var(--yellow);
  border-radius: var(--radius-sm);
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--navy-deep);
  background-color: #ffe066;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px var(--gutter) 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-copy,
.footer-tagline {
  font-size: 13px;
  color: #8f98b5;
}

/* --------------------------------------------------------------------------
   components · 通用元件
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  color: #ffffff;
  background-color: var(--orange);
  border-color: var(--orange);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  color: #ffffff;
  background-color: #e04a12;
  border-color: #e04a12;
}

.btn-ghost {
  color: var(--navy);
  background-color: transparent;
  border-color: var(--navy);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  color: #ffffff;
  background-color: var(--navy);
  border-color: var(--navy);
}

.badge,
.status-tag,
.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 20px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-ongoing,
.status-ongoing {
  color: #ffffff;
  background-color: var(--orange);
}

.badge-done,
.status-complete {
  color: var(--ink-soft);
  background-color: var(--line);
}

.badge-new,
.status-new {
  color: var(--navy-deep);
  background-color: var(--yellow);
}

.status-done {
  color: var(--ink-soft);
  background-color: var(--line);
}

.status-pill.status-suspense {
  color: #ffffff;
  background-color: #3b4a8f;
}

.status-pill.status-fantasy {
  color: var(--navy-deep);
  background-color: var(--yellow);
}

.status-pill.status-urban {
  color: #ffffff;
  background-color: var(--orange);
}

.status-pill.status-history {
  color: #ffffff;
  background-color: #5c6b52;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--navy-deep);
}

.section-desc,
.section-note,
.section-lead,
.section-intro {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
}

.section-desc {
  max-width: 720px;
}

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

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

.section-note {
  margin-bottom: 16px;
}

.section-more {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-top: 18px;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
}

.section-more:hover,
.section-more:focus-visible {
  color: #ffffff;
  background-color: var(--navy);
  border-color: var(--navy);
}

.card-link,
.topic-more,
.panel-link,
.topic-link,
.guide-card-link,
.usage-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-size: 14px;
  font-weight: 600;
  color: var(--orange);
}

.card-link:hover,
.topic-more:hover,
.panel-link:hover,
.topic-link:hover,
.guide-card-link:hover,
.usage-link:hover,
.card-link:focus-visible,
.topic-more:focus-visible,
.panel-link:focus-visible,
.topic-link:focus-visible,
.guide-card-link:focus-visible,
.usage-link:focus-visible {
  color: var(--navy-deep);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 40px;
  padding: 20px 24px;
  background-color: var(--bg-panel);
  border-radius: var(--radius);
}

.related-links-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-deep);
}

.related-links-item a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 4px 14px;
  font-size: 14px;
  color: var(--navy);
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.related-links-item a:hover,
.related-links-item a:focus-visible {
  color: #ffffff;
  background-color: var(--navy);
  border-color: var(--navy);
}

/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */
.hero-section {
  margin-bottom: 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 32px;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 36px 40px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-left: 6px solid var(--orange);
  border-radius: var(--radius);
}

.hero-eyebrow {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 14px;
  padding: 3px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  background-color: var(--bg-panel);
  border-radius: 999px;
}

.hero-copy h1 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--navy-deep);
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  background-color: var(--bg-panel);
  border: 1px solid transparent;
  border-radius: 999px;
}

.hero-tag:hover,
.hero-tag:focus-visible {
  color: #ffffff;
  background-color: var(--navy);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 24px;
  background-color: var(--navy);
  border-radius: var(--radius);
  color: #ffffff;
}

.hero-panel-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 14px;
}

.hero-visual {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--navy-deep);
  margin-bottom: 16px;
}

.hero-visual img {
  width: 100%;
  height: 168px;
  object-fit: cover;
}

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

.hero-update-item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.18);
}

.hero-update-item:last-child {
  border-bottom: 0;
}

.update-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #9aa4c6;
  font-variant-numeric: tabular-nums;
}

.update-name {
  min-width: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  color: #ffffff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-panel .panel-link {
  margin-top: 14px;
  color: var(--yellow);
}

.hero-panel .panel-link:hover,
.hero-panel .panel-link:focus-visible {
  color: #ffffff;
}

/* 题材地图 */
.topic-map-section {
  margin-bottom: 56px;
}

.topic-map-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.topic-index {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background-color: var(--bg-panel);
  border-radius: var(--radius);
}

.topic-btn {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  color: var(--ink-soft);
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.topic-btn:hover {
  color: var(--navy);
  border-color: var(--navy);
}

.topic-btn.is-active {
  color: #ffffff;
  background-color: var(--navy);
  border-color: var(--navy);
}

.topic-books {
  min-width: 0;
  padding: 8px 20px 20px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.book-list {
  display: flex;
  flex-direction: column;
}

.book-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 96px auto;
  align-items: center;
  gap: 14px;
  padding: 13px 8px;
  border-bottom: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
}

.book-item:last-child {
  border-bottom: 0;
}

.book-item.is-highlighted {
  background-color: #fdf1ea;
}

.book-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.book-name {
  min-width: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.book-topic {
  font-size: 13px;
  color: var(--ink-mute);
}

.topic-books .topic-more {
  margin-top: 12px;
}

/* 推荐书目 */
.recommend-section {
  margin-bottom: 56px;
}

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.recommend-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0 0 20px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.recommend-media {
  overflow: hidden;
  background-color: var(--bg-panel);
}

.recommend-media img {
  width: 100%;
  height: 176px;
  object-fit: cover;
}

.recommend-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-deep);
  margin: 18px 20px 8px;
}

.recommend-reason {
  flex: 1 1 auto;
  margin: 0 20px 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.recommend-card .card-link {
  margin: 0 20px;
  align-self: flex-start;
}

/* 最新更新赛程表 */
.update-section {
  margin-bottom: 56px;
}

.update-table {
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.update-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) 200px 96px;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line-soft);
}

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

.update-row-head {
  background-color: var(--bg-panel);
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-deep);
  letter-spacing: 0;
}

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

.col-date {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.update-row-head .col-date {
  color: var(--navy-deep);
  font-family: var(--font-body);
}

.col-name {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.update-row-head .col-name {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--navy-deep);
}

.col-progress {
  font-size: 14px;
  color: var(--ink-mute);
}

.update-row-head .col-progress {
  color: var(--navy-deep);
  font-weight: 700;
}

.col-status {
  justify-self: start;
}

/* 专题与榜单预览 */
.preview-section {
  margin-bottom: 56px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.preview-col {
  min-width: 0;
  padding: 22px 24px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--navy);
  border-radius: var(--radius);
}

.preview-col:nth-child(2) {
  border-top-color: var(--orange);
}

.preview-col-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.preview-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.preview-item {
  min-width: 0;
}

.preview-link {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
}

.preview-link:hover,
.preview-link:focus-visible {
  color: var(--orange);
}

.preview-desc {
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-mute);
}

/* 阅读指南摘要 */
.guide-section {
  margin-bottom: 24px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.guide-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 24px;
  background-color: var(--bg-panel);
  border-radius: var(--radius);
  border-left: 4px solid var(--yellow);
}

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

.guide-card-text {
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.guide-card .card-link {
  align-self: flex-start;
}

/* --------------------------------------------------------------------------
   pages · 分类页
   -------------------------------------------------------------------------- */
.genre-layout {
  margin-bottom: 48px;
}

.genre-index-panel {
  position: sticky;
  top: 88px;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 8px;
}

.panel-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-mute);
  margin-bottom: 14px;
}

.genre-index-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.genre-index-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  background-color: var(--bg-page);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.genre-index-btn:hover,
.genre-index-btn:focus-visible {
  color: var(--navy);
  border-color: var(--navy);
}

.genre-index-btn.is-active {
  color: #ffffff;
  background-color: var(--navy);
}

.genre-count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
}

.genre-index-btn.is-active .genre-count {
  color: #c8cee2;
}

.genre-list-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.genre-item {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 22px;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  scroll-margin-top: 96px;
}

.genre-figure {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--bg-panel);
}

.genre-figure img {
  width: 100%;
  height: 100%;
  min-height: 150px;
  object-fit: cover;
}

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

.genre-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.genre-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy-deep);
}

.genre-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.genre-books {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 16px;
  background-color: var(--bg-page);
  border-radius: var(--radius-sm);
}

.genre-books li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.genre-books .book-name {
  font-size: 15px;
  color: var(--navy-deep);
}

.genre-books .book-note {
  margin-left: 8px;
  font-size: 13px;
  color: var(--ink-mute);
}

.genre-method-section {
  margin-bottom: 40px;
  padding-top: 8px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.method-card {
  min-width: 0;
  padding: 22px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.method-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.genre-next-section {
  padding: 24px;
  background-color: var(--bg-panel);
  border-radius: var(--radius);
}

.genre-next-section .section-title {
  margin-bottom: 14px;
}

.next-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.next-link-list a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.next-link-list a:hover,
.next-link-list a:focus-visible {
  color: #ffffff;
  background-color: var(--navy);
  border-color: var(--navy);
}

/* --------------------------------------------------------------------------
   pages · 更新页
   -------------------------------------------------------------------------- */
.page-gengxin .page-layout {
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
}

.layout-main {
  min-width: 0;
}

.layout-side {
  min-width: 0;
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 14px;
}

.update-list .update-row {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr) 150px auto;
  align-items: center;
  gap: 14px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--line-soft);
}

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

.update-period {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.update-book {
  min-width: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.update-progress {
  font-size: 14px;
  color: var(--ink-mute);
}

.update-tag {
  justify-self: start;
}

.update-section .section-note a {
  font-weight: 600;
}

.update-media {
  margin: 24px 0;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--bg-panel);
}

.update-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.media-caption {
  padding: 10px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-mute);
  background-color: #ffffff;
  border-top: 1px solid var(--line-soft);
}

.checklist-section {
  margin-top: 8px;
}

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

.checklist-item {
  padding: 16px 20px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--yellow);
  border-radius: var(--radius);
}

.checklist-heading {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 4px;
}

.checklist-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.side-block {
  padding: 22px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.side-block + .side-block {
  margin-top: 20px;
}

.side-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.rhythm-item + .rhythm-item {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.rhythm-heading {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.rhythm-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.side-link-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.side-link-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--ink-soft);
  background-color: var(--bg-page);
  border-radius: var(--radius-sm);
}

.side-link-list a:hover,
.side-link-list a:focus-visible {
  color: #ffffff;
  background-color: var(--navy);
}

/* --------------------------------------------------------------------------
   pages · 专题页
   -------------------------------------------------------------------------- */
.page-zhuanti .page-layout {
  display: block;
}

.topic-list {
  margin-bottom: 48px;
}

.topic-item {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 26px;
  padding: 24px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  scroll-margin-top: 96px;
}

.topic-item + .topic-item {
  margin-top: 20px;
}

.topic-figure {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--bg-panel);
}

.topic-figure img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}

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

.topic-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.topic-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-deep);
  background-color: var(--yellow);
  border-radius: var(--radius-sm);
  font-variant-numeric: tabular-nums;
}

.topic-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy-deep);
}

.topic-plan {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.topic-scene {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--line);
}

.topic-books {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 16px;
  margin-bottom: 12px;
  background-color: var(--bg-page);
  border-radius: var(--radius-sm);
}

.topic-book {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  min-width: 0;
}

.topic-book .book-name {
  font-size: 15px;
  color: var(--navy-deep);
}

.topic-book .book-meta {
  font-size: 13px;
  color: var(--ink-mute);
}

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

.topic-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.topic-cross {
  padding: 24px;
  background-color: var(--bg-panel);
  border-radius: var(--radius);
}

.topic-cross .section-title {
  margin-bottom: 14px;
}

.cross-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cross-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.cross-link:hover,
.cross-link:focus-visible {
  color: #ffffff;
  background-color: var(--navy);
  border-color: var(--navy);
}

/* --------------------------------------------------------------------------
   pages · 榜单页
   -------------------------------------------------------------------------- */
.page-bangdan .page-layout {
  grid-template-columns: minmax(0, 1fr) 320px;
}

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

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

.ranking-item {
  display: grid;
  grid-template-columns: 44px 96px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  padding: 16px 20px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.ranking-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy-deep);
  background-color: var(--yellow);
  border-radius: var(--radius-sm);
  font-variant-numeric: tabular-nums;
}

.ranking-item:nth-child(n + 4) .ranking-badge {
  color: var(--ink-soft);
  background-color: var(--bg-panel);
}

.ranking-cover {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--bg-panel);
}

.ranking-cover img {
  width: 100%;
  height: 128px;
  object-fit: cover;
}

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

.ranking-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 4px;
}

.ranking-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.ranking-genre {
  font-size: 13px;
  color: var(--ink-mute);
}

.ranking-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.ranking-footnote {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-mute);
}

.ranking-footnote a {
  font-weight: 600;
}

.usage-section {
  padding-top: 8px;
}

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

.usage-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px;
  background-color: var(--bg-panel);
  border-radius: var(--radius);
}

.usage-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 8px;
}

.usage-text {
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.usage-card .usage-link {
  align-self: flex-start;
}

.criteria-panel {
  position: sticky;
  top: 88px;
  padding: 22px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.criteria-block + .criteria-block {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.criteria-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.criteria-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.criteria-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-mute);
}

.criteria-note a {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   pages · 指南页
   -------------------------------------------------------------------------- */
.page-zhinan .page-head {
  padding: 0 0 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.page-zhinan .page-layout {
  grid-template-columns: minmax(0, 1fr) 320px;
}

.guide-section {
  margin-bottom: 44px;
}

.guide-section .section-desc {
  margin-bottom: 18px;
}

.guide-media {
  margin-bottom: 22px;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--bg-panel);
}

.guide-media img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.guide-block {
  padding: 20px 22px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.guide-block + .guide-block {
  margin-top: 16px;
}

.block-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 8px;
}

.block-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.block-text a {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

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

.guide-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 7px;
  height: 7px;
  background-color: var(--orange);
  border-radius: 50%;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.track-card {
  min-width: 0;
  padding: 20px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--navy);
  border-radius: var(--radius);
}

.rhythm-table-wrap {
  margin-bottom: 20px;
  overflow-x: auto;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rhythm-table {
  min-width: 520px;
}

.table-caption {
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  color: var(--navy-deep);
  background-color: var(--bg-panel);
}

.rhythm-table th,
.rhythm-table td {
  padding: 12px 18px;
  font-size: 14px;
  line-height: 1.7;
  text-align: left;
  border-top: 1px solid var(--line-soft);
  vertical-align: top;
}

.rhythm-table thead th {
  font-weight: 700;
  color: var(--navy-deep);
  background-color: #fafbfd;
}

.rhythm-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.rhythm-table tbody td {
  color: var(--ink-soft);
}

.rhythm-list {
  padding: 18px 20px;
  background-color: var(--bg-panel);
  border-radius: var(--radius);
}

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

.faq-item {
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 14px 20px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-deep);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--orange);
}

.faq-item[open] .faq-question {
  border-bottom: 1px solid var(--line-soft);
}

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

.faq-question:hover {
  color: var(--navy);
}

.faq-answer {
  padding: 14px 20px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.side-panel {
  padding: 22px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.side-panel + .side-panel {
  margin-top: 20px;
}

.side-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
  margin-bottom: 14px;
}

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

.path-step {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.path-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-deep);
  background-color: var(--yellow);
  border-radius: 50%;
  font-variant-numeric: tabular-nums;
}

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

.path-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}

.path-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-mute);
  margin-bottom: 2px;
}

.path-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
}

.path-link:hover,
.path-link:focus-visible {
  color: var(--navy-deep);
}

/* --------------------------------------------------------------------------
   pages · 关于页
   -------------------------------------------------------------------------- */
.section-block {
  margin-bottom: 48px;
}

.about-position {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 32px;
  align-items: start;
}

.about-position-media {
  min-width: 0;
}

.media-figure {
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--bg-panel);
}

.media-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.about-position-body {
  min-width: 0;
}

.about-position-body .section-title {
  margin-bottom: 12px;
}

.about-position-body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.about-facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  background-color: var(--bg-panel);
  border-radius: var(--radius-sm);
}

.fact-label {
  font-size: 12px;
  color: var(--ink-mute);
}

.fact-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-deep);
}

.scope-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.scope-col {
  min-width: 0;
  padding: 22px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.scope-in {
  border-top: 4px solid var(--navy);
}

.scope-out {
  border-top: 4px solid var(--orange);
}

.scope-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 12px;
}

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

.scope-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background-color: var(--line);
  border-radius: 50%;
}

.scope-in .scope-list li::before {
  background-color: var(--navy);
}

.scope-out .scope-list li::before {
  background-color: var(--orange);
}

.duty-table-wrap {
  overflow-x: auto;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.duty-table {
  min-width: 560px;
}

.duty-table th,
.duty-table td {
  padding: 13px 18px;
  font-size: 14px;
  line-height: 1.7;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.duty-table thead th {
  font-weight: 700;
  color: var(--navy-deep);
  background-color: var(--bg-panel);
}

.duty-table tbody th {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}

.duty-table tbody td {
  color: var(--ink-soft);
}

.duty-table tbody tr:last-child th,
.duty-table tbody tr:last-child td {
  border-bottom: 0;
}

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

.feedback-card {
  min-width: 0;
  padding: 22px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.feedback-card > p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.feedback-note {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--ink-mute);
}

.feedback-note a {
  font-weight: 600;
}

.feedback-tail {
  margin-top: 20px;
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
  background-color: var(--bg-panel);
  border-left: 4px solid var(--yellow);
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */
.error-main {
  padding-top: 48px;
  padding-bottom: 72px;
}

.error-block {
  max-width: 640px;
  padding: 40px 36px;
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-top: 6px solid var(--orange);
  border-radius: var(--radius);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.error-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 12px;
}

.error-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.error-guide {
  margin-top: 40px;
}

.error-guide h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 14px;
}

.error-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.error-link-list a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  background-color: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.error-link-list a:hover,
.error-link-list a:focus-visible {
  color: #ffffff;
  background-color: var(--navy);
  border-color: var(--navy);
}

/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .nav-link {
    padding: 8px 10px;
    font-size: 14px;
  }

  .page-layout,
  .page-gengxin .page-layout,
  .page-bangdan .page-layout,
  .page-zhinan .page-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 24px;
  }

  .sidebar-left .page-layout,
  .page-layout.sidebar-left {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .hero-copy {
    padding: 28px 30px;
  }

  .ranking-item {
    grid-template-columns: 40px 84px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-nav {
    display: none;
  }

  .mobile-nav.is-open {
    display: block;
  }

  .header-inner {
    gap: 16px;
    min-height: 60px;
  }

  .site-main {
    padding-bottom: 48px;
  }

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

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

  .hero-copy {
    padding: 24px;
    border-left-width: 5px;
  }

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

  .hero-panel {
    padding: 20px;
  }

  .hero-visual img {
    height: 180px;
  }

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

  .topic-index {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 12px;
  }

  .topic-btn {
    flex: 1 1 auto;
    justify-content: center;
    min-width: 96px;
    min-height: 44px;
  }

  .recommend-grid,
  .guide-grid,
  .method-grid,
  .topic-guide-grid,
  .usage-grid,
  .feedback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .preview-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .update-row,
  .update-list .update-row {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    gap: 10px 12px;
    padding: 12px 16px;
  }

  .update-row .col-progress,
  .update-list .update-progress {
    grid-column: 2 / 3;
    grid-row: 2;
    font-size: 13px;
  }

  .update-row .col-status,
  .update-list .update-tag {
    grid-column: 3 / 4;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .update-row-head {
    display: none;
  }

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

  .genre-index-panel,
  .criteria-panel {
    position: static;
  }

  .genre-index-panel {
    order: 2;
  }

  .genre-list-section {
    order: 1;
  }

  .genre-item {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 18px;
  }

  .about-position {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

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

  .scope-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .topic-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 20px;
  }

  .topic-figure img {
    height: 200px;
    min-height: 0;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    padding-top: 36px;
  }

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

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

@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }

  body {
    font-size: 15px;
  }

  .brand-name {
    font-size: 19px;
  }

  .brand-slogan {
    font-size: 11px;
  }

  .lang-entry {
    padding: 3px 10px;
    font-size: 12px;
  }

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

  .page-title-block {
    padding-bottom: 18px;
    margin-bottom: 22px;
  }

  .page-lead {
    font-size: 15px;
  }

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

  .section-head {
    margin-bottom: 16px;
  }

  .hero-section,
  .topic-map-section,
  .recommend-section,
  .update-section,
  .preview-section {
    margin-bottom: 40px;
  }

  .hero-copy {
    padding: 20px;
  }

  .hero-copy h1 {
    font-size: 24px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .hero-update-item {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    gap: 8px;
  }

  .update-name {
    font-size: 14px;
  }

  .topic-books {
    padding: 6px 14px 16px;
  }

  .book-item {
    grid-template-columns: 30px minmax(0, 1fr) auto;
    gap: 8px 10px;
    padding: 12px 4px;
  }

  .book-topic {
    grid-column: 2 / 3;
    grid-row: 2;
    font-size: 12px;
  }

  .book-item .badge {
    grid-column: 3 / 4;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .recommend-grid,
  .guide-grid,
  .method-grid,
  .topic-guide-grid,
  .usage-grid,
  .feedback-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

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

  .update-row,
  .update-list .update-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px 10px;
    padding: 12px 14px;
  }

  .update-row .col-date,
  .update-list .update-period {
    grid-column: 1 / 2;
    grid-row: 1;
    font-size: 12px;
  }

  .update-row .col-name,
  .update-list .update-book {
    grid-column: 1 / 2;
    grid-row: 2;
    font-size: 15px;
  }

  .update-row .col-progress,
  .update-list .update-progress {
    grid-column: 1 / 2;
    grid-row: 3;
    font-size: 13px;
  }

  .update-row .col-status,
  .update-list .update-tag {
    grid-column: 2 / 3;
    grid-row: 1 / span 3;
    align-self: center;
  }

  .genre-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 16px;
  }

  .genre-figure img {
    height: 180px;
    min-height: 0;
  }

  .genre-name {
    font-size: 18px;
  }

  .genre-index-panel {
    padding: 16px;
  }

  .ranking-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px 12px;
    padding: 14px 16px;
  }

  .ranking-badge {
    grid-column: 1 / 2;
    grid-row: 1;
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .ranking-cover {
    grid-column: 1 / 2;
    grid-row: 2;
    width: 36px;
  }

  .ranking-cover img {
    height: 48px;
  }

  .ranking-body {
    grid-column: 2 / 3;
    grid-row: 1 / span 2;
  }

  .ranking-name {
    font-size: 16px;
  }

  .ranking-desc {
    font-size: 13px;
  }

  .criteria-panel,
  .side-block,
  .side-panel {
    padding: 18px;
  }

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

  .scope-col,
  .feedback-card {
    padding: 18px;
  }

  .topic-item {
    padding: 16px;
  }

  .topic-name {
    font-size: 18px;
  }

  .topic-plan {
    font-size: 14px;
  }

  .guide-block {
    padding: 18px;
  }

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

  .faq-question {
    padding: 12px 16px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 12px 16px 16px;
    font-size: 14px;
  }

  .error-block {
    padding: 28px 20px;
  }

  .error-code {
    font-size: 44px;
  }

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 32px var(--gutter) 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 6px;
    padding: 16px var(--gutter) 24px;
  }

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

@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;
  }
}