:root {
  --paper: #F7F5F0;
  --ink: #16232A;
  --ink-soft: #3D4A50;
  --ink-mute: #6B767C;
  --jade: #3E6F68;
  --jade-deep: #2C534E;
  --amber: #B5773A;
  --rule: #D8D2C6;
  --rule-soft: #E6E1D8;
  --serif: "Noto Serif SC", "Songti SC", SimSun, serif;
  --sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;
  --shell: 1120px;
  --gutter: 24px;
  --main-col: 760px;
  --side-col: 300px;
  --col-gap: 60px;
}

/* ============================================================
   base
   ============================================================ */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

h1 {
  font-size: 40px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 19px;
}

p {
  margin: 0 0 1.2em;
}

p:last-child {
  margin-bottom: 0;
}

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

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

a:hover {
  color: var(--jade-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

figure {
  margin: 0;
}

figcaption {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-mute);
}

hr.rule {
  margin: 24px 0 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

button {
  font: inherit;
  color: inherit;
}

/* ============================================================
   layout
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
}

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

.section {
  padding: 64px 0;
}

.section-alt {
  background: #F2EFE8;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.section-head {
  margin-bottom: 32px;
}

.section-head .section-label {
  margin-bottom: 8px;
}

.section-head h2 {
  margin-bottom: 12px;
}

.section-intro {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
}

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

.section-desc {
  max-width: 720px;
  margin: 0 0 28px;
  color: var(--ink-soft);
}

.section-foot {
  margin: 32px 0 0;
}

.section-label {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--jade);
  letter-spacing: 0;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--jade);
  border-bottom: 1px solid transparent;
}

.arrow-link::after {
  content: "→";
  font-size: 14px;
  transition: transform 0.18s ease;
}

.arrow-link:hover {
  color: var(--jade-deep);
  text-decoration: none;
  border-bottom-color: var(--jade-deep);
}

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

/* page shell for inner pages */

.inner-main {
  display: block;
  width: 100%;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--main-col)) minmax(0, var(--side-col));
  column-gap: var(--col-gap);
  align-items: start;
  padding-top: 32px;
  padding-bottom: 64px;
}

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

.breadcrumb {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-mute);
}

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

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

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--rule);
}

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

.page-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}

.page-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.page-head {
  padding: 32px 0 0;
  margin-bottom: 8px;
}

.page-head .section-label {
  margin-bottom: 10px;
}

.page-lead {
  max-width: 760px;
  margin: 0;
  font-size: 17px;
  color: var(--ink-soft);
}

.page-hero {
  padding: 32px 0 0;
}

.page-hero .page-lead {
  max-width: 780px;
}

.page-hero .rule {
  margin-top: 24px;
}

/* ============================================================
   components
   ============================================================ */

/* --- header / nav --- */

.site-header {
  position: relative;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  white-space: nowrap;
}

.brand:hover {
  color: var(--jade);
  text-decoration: none;
}

.main-nav {
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 2px 0;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--jade);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--jade);
  border-bottom-color: var(--jade);
}

.menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  cursor: pointer;
}

.menu-toggle::before,
.menu-toggle::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--ink);
}

.menu-toggle::before {
  top: 16px;
  box-shadow: 0 6px 0 var(--ink);
}

.menu-toggle::after {
  bottom: 16px;
}

.mobile-menu {
  display: none;
  border-bottom: 1px solid var(--rule);
  background: #F2EFE8;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu .container {
  padding-top: 16px;
  padding-bottom: 20px;
}

.menu-group-title {
  margin: 16px 0 6px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--amber);
}

.menu-group-title:first-child {
  margin-top: 0;
}

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

.menu-group-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.menu-group-list a:hover {
  color: var(--jade);
  text-decoration: none;
}

/* --- footer --- */

.site-footer {
  margin-top: 0;
  background: #F2EFE8;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr) minmax(0, 1fr);
  column-gap: 48px;
  row-gap: 32px;
  padding-top: 48px;
  padding-bottom: 32px;
}

.footer-brand {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

.footer-slogan {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--jade);
}

.footer-desc {
  margin: 0;
  max-width: 360px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
}

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

.footer-group-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--amber);
}

.footer-list li {
  margin-bottom: 6px;
}

.footer-list a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  color: var(--ink-soft);
}

.footer-list a:hover {
  color: var(--jade);
}

.month-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.month-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 32px;
  padding: 0 8px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper);
}

.month-links a:hover {
  color: var(--jade);
  border-color: var(--jade);
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 24px;
  border-top: 1px solid var(--rule);
}

.footer-copy,
.footer-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-mute);
}

/* --- generic lists / tags / figures --- */

.row-list {
  border-top: 1px solid var(--rule);
}

.row-item {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  column-gap: 40px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.row-label {
  min-width: 0;
}

.row-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}

.row-name:hover {
  color: var(--jade);
}

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

.row-text {
  margin: 0 0 10px;
  color: var(--ink-soft);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 2px 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--jade-deep);
  background: #EDEFEA;
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 3px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--jade-deep);
  background: #EDEFEA;
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
}

.media-figure img,
.hero-figure img,
.feature-figure img,
.read-figure img,
.visual-figure img,
.reading-figure img,
.showcase-media img,
.aside-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #E9E5DC;
}

/* ============================================================
   pages
   ============================================================ */

/* --- index.html --- */

.home-main {
  display: block;
}

.hero-band {
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--rule);
}

.hero-band h1 {
  max-width: 900px;
  margin: 12px 0 16px;
}

.hero-lead {
  max-width: 780px;
  margin: 0 0 36px;
  font-size: 17px;
  color: var(--ink-soft);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 32px;
  margin-bottom: 44px;
  border-top: 1px solid var(--rule);
}

.info-cell {
  min-width: 0;
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--rule);
}

.info-cell-title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
}

.info-cell-text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 21 / 9;
  height: auto;
}

.hero-figure figcaption {
  max-width: 780px;
}

.genre-list .row-body {
  padding-top: 2px;
}

.year-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}

.year-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.year-chip:hover {
  color: var(--jade);
  border-color: var(--jade);
  text-decoration: none;
}

.year-chip.is-current {
  color: var(--amber);
  border-color: var(--amber);
  font-weight: 600;
}

.month-group {
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

.month-group:last-of-type {
  border-bottom: 0;
}

.month-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
}

.month-num {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--amber);
}

.month-summary {
  max-width: 760px;
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.record-list {
  border-top: 1px solid var(--rule-soft);
}

.record-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.record-name {
  font-size: 15px;
  color: var(--ink);
}

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

.record-genre::before {
  content: "题材 · ";
  color: var(--amber);
}

.rank-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 40px;
}

.rank-column {
  min-width: 0;
  padding: 20px 0 0;
  border-top: 2px solid var(--ink);
}

.rank-name {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
}

.rank-basis {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
}

.rank-list {
  counter-reset: rank;
}

.rank-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--rule-soft);
  font-size: 15px;
  color: var(--ink-soft);
}

.rank-num {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--amber);
  line-height: 1.9;
}

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

.feature-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  height: auto;
}

.feature-body {
  margin-top: 24px;
}

.feature-body .tag-row {
  margin-bottom: 16px;
}

.feature-text {
  max-width: 780px;
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.read-layout {
  display: grid;
  grid-template-columns: minmax(0, 460px) minmax(0, 560px);
  gap: 40px;
  align-items: start;
}

.read-points {
  min-width: 0;
}

.point-list {
  border-top: 1px solid var(--rule);
}

.point-item {
  position: relative;
  padding: 16px 0 16px 28px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
}

.point-item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 26px;
  width: 6px;
  height: 6px;
  background: var(--amber);
  border-radius: 50%;
}

.read-aside {
  min-width: 0;
}

.read-figure img {
  aspect-ratio: 4 / 3;
}

.read-note {
  margin: 18px 0 16px;
  color: var(--ink-soft);
}

.faq-list {
  border-top: 1px solid var(--rule);
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 14px 0;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 400;
  color: var(--jade);
}

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

.faq-item[open] .faq-question {
  color: var(--jade-deep);
}

.faq-answer {
  padding: 0 0 18px;
}

.faq-answer p {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--ink-soft);
}

.closing-band {
  padding: 48px 0 64px;
  border-top: 1px solid var(--rule);
}

.closing-title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
}

.closing-text {
  max-width: 820px;
  margin: 0 0 18px;
  color: var(--ink-soft);
}

/* --- ticai-fenlei.html --- */

.layout-sidebar {
  min-width: 0;
  padding-top: 4px;
}

.sidebar-title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.anchor-list {
  border-top: 1px solid var(--rule);
}

.anchor-list li {
  border-bottom: 1px solid var(--rule-soft);
}

.anchor-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  color: var(--ink-soft);
}

.anchor-list a:hover {
  color: var(--jade);
}

.sidebar-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-mute);
}

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

.topic-overview {
  margin-bottom: 36px;
}

.topic-overview h2 {
  margin-bottom: 12px;
}

.topic-group {
  padding: 28px 0;
  border-top: 1px solid var(--rule);
}

.topic-group-media {
  margin-bottom: 20px;
}

.media-figure img {
  width: 100%;
  aspect-ratio: 16 / 6;
  height: auto;
}

.topic-group-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  gap: 24px 48px;
  align-items: start;
}

.topic-name-col,
.topic-tag-col {
  min-width: 0;
}

.topic-name-col h2 {
  margin-bottom: 10px;
}

.topic-name-col > p {
  color: var(--ink-soft);
}

.topic-scope-label {
  margin: 16px 0 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--amber);
}

.topic-name-col .topic-scope-label {
  margin-top: 18px;
}

.scope-list {
  border-top: 1px solid var(--rule-soft);
}

.scope-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 15px;
  color: var(--ink-soft);
}

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

.topic-tag-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-mute);
}

.topic-advice {
  padding: 36px 0 8px;
  border-top: 1px solid var(--rule);
}

.topic-advice h2 {
  margin-bottom: 20px;
}

.advice-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 32px;
}

.advice-col {
  min-width: 0;
  padding-top: 16px;
  border-top: 2px solid var(--ink);
}

.advice-col h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.advice-col p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.advice-note {
  margin: 24px 0 0;
  font-size: 14px;
  color: var(--ink-mute);
}

.related-links {
  padding: 32px 0 0;
  margin-top: 24px;
  border-top: 1px solid var(--rule);
}

.related-links h2 {
  margin-bottom: 16px;
}

.related-list {
  border-top: 1px solid var(--rule-soft);
}

.related-list li {
  border-bottom: 1px solid var(--rule-soft);
}

.related-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 15px;
  color: var(--ink-soft);
}

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

/* --- gengxin-jilu.html --- */

.year-index .container {
  padding-top: 0;
}

.year-index .year-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.year-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.year-link:hover {
  color: var(--jade);
  border-color: var(--jade);
  text-decoration: none;
}

.year-link.is-current {
  color: var(--amber);
  border-color: var(--amber);
  font-weight: 600;
}

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

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

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

.month-section .section-title {
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.month-block {
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.month-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.month-head .month-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
}

.month-block .month-summary {
  margin: 0 0 14px;
}

.record-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 10px 0;
  border-top: 1px solid var(--rule-soft);
  font-size: 15px;
}

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

.record-tag::before {
  content: "题材 · ";
  color: var(--amber);
}

.side-block {
  min-width: 0;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}

.side-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
}

.side-text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.side-link-list,
.side-month-list {
  margin-top: 10px;
  border-top: 1px solid var(--rule-soft);
}

.side-link-list li,
.side-month-list li {
  border-bottom: 1px solid var(--rule-soft);
}

.side-link-list a,
.side-month-list a {
  display: flex;
  align-items: center;
  min-height: 42px;
  font-size: 14px;
  color: var(--ink-soft);
}

.side-link-list a:hover,
.side-month-list a:hover {
  color: var(--jade);
}

.month-visual {
  padding: 8px 0 64px;
}

.visual-figure img {
  width: 100%;
  aspect-ratio: 21 / 8;
  height: auto;
}

/* --- duzhe-bangdan.html --- */

.page-title-block {
  padding: 32px 0 0;
}

.page-title-block .page-lead {
  max-width: 780px;
}

.rank-groups {
  padding-top: 48px;
}

.rank-groups h2 {
  margin-bottom: 12px;
}

.rank-column-head {
  margin-bottom: 12px;
}

.rank-index {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--amber);
}

.rank-column-head h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
}

.rank-column-head .rank-basis {
  margin: 0;
}

.rank-column .rank-item {
  grid-template-columns: 28px minmax(0, 1fr);
}

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

.rank-item-name {
  display: block;
  font-size: 15px;
  color: var(--ink);
}

.rank-item-tags {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  color: var(--ink-mute);
}

.rank-showcase {
  background: #F2EFE8;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.rank-showcase h2 {
  margin-bottom: 12px;
}

.showcase-item {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 24px 40px;
  align-items: start;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
}

.showcase-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
}

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

.showcase-body h3 {
  margin: 6px 0 10px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
}

.showcase-body > p {
  color: var(--ink-soft);
}

.showcase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
}

.showcase-link {
  margin: 0;
}

.rank-method h2 {
  margin-bottom: 20px;
}

.method-block {
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}

.method-block h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.method-block p {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--ink-soft);
}

.method-list {
  margin-top: 10px;
  border-top: 1px solid var(--rule-soft);
}

.method-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 15px;
  color: var(--ink-soft);
}

.related-entry h2 {
  margin-bottom: 16px;
}

.entry-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  border-top: 1px solid var(--rule);
}

.entry-list li {
  min-width: 0;
  border-bottom: 1px solid var(--rule);
}

.entry-list a {
  display: flex;
  align-items: center;
  min-height: 52px;
  font-size: 15px;
  color: var(--ink-soft);
}

.entry-list a:hover {
  color: var(--jade);
}

/* --- yuedu-shuoming.html --- */

.layout-shell {
  display: grid;
  grid-template-columns: minmax(0, var(--main-col)) minmax(0, var(--side-col));
  column-gap: var(--col-gap);
  align-items: start;
}

.reading-block {
  margin-bottom: 44px;
}

.reading-block h2 {
  margin-bottom: 12px;
}

.reading-block > p {
  color: var(--ink-soft);
}

.reading-figure {
  margin: 20px 0;
}

.reading-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
}

.position-list {
  margin-top: 16px;
  border-top: 1px solid var(--rule);
}

.position-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 8px 24px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.position-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.position-desc {
  min-width: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.order-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 260px);
  gap: 24px 40px;
  align-items: start;
  margin-top: 20px;
}

.order-list-container,
.order-note-container {
  min-width: 0;
}

.order-columns h3 {
  margin-bottom: 10px;
  font-size: 17px;
}

.order-list {
  counter-reset: order;
  border-top: 1px solid var(--rule);
}

.order-list li {
  position: relative;
  padding: 12px 0 12px 40px;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  color: var(--ink-soft);
  counter-increment: order;
}

.order-list li::before {
  content: counter(order, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--amber);
}

.order-note-container {
  padding-top: 16px;
  border-top: 2px solid var(--ink);
}

.order-note-container p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.tag-table {
  margin-top: 20px;
  border-top: 1px solid var(--rule);
}

.tag-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 8px 24px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}

.tag-name {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--jade-deep);
}

.tag-desc {
  min-width: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.device-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
  margin-top: 20px;
}

.device-container {
  min-width: 0;
  padding-top: 16px;
  border-top: 2px solid var(--ink);
}

.device-container h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.device-container p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.entry-note {
  margin-top: 28px;
  padding: 20px 0 0;
  border-top: 1px solid var(--rule);
}

.entry-note h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.entry-note p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.content-side .side-points {
  margin-top: 10px;
  border-top: 1px solid var(--rule-soft);
}

.content-side .side-points li {
  position: relative;
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.content-side .side-points li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  width: 5px;
  height: 5px;
  background: var(--amber);
  border-radius: 50%;
}

.side-links {
  margin-top: 10px;
  border-top: 1px solid var(--rule-soft);
}

.side-links li {
  border-bottom: 1px solid var(--rule-soft);
}

.side-links a {
  display: flex;
  align-items: center;
  min-height: 42px;
  font-size: 14px;
  color: var(--ink-soft);
}

.side-links a:hover {
  color: var(--jade);
}

/* --- jingxuan-zhuanti.html --- */

.feature-visual {
  padding: 40px 0 0;
}

.feature-visual .section-title {
  margin-bottom: 16px;
}

.feature-visual .feature-figure img {
  aspect-ratio: 16 / 7;
}

.feature-visual .tag-row {
  margin-top: 20px;
}

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

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

.main-column .section {
  padding: 0 0 36px;
}

.main-column .section:first-child {
  padding-top: 0;
}

.scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  gap: 24px 40px;
  align-items: start;
  margin-top: 16px;
}

.scope-text,
.scope-conditions {
  min-width: 0;
}

.scope-text p {
  margin: 0 0 12px;
  color: var(--ink-soft);
}

.conditions-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.conditions-list {
  border-top: 1px solid var(--rule);
}

.conditions-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  color: var(--ink-soft);
}

.chapter-list {
  margin-top: 16px;
  border-top: 1px solid var(--rule);
}

.chapter-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 6px 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.chapter-no {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--amber);
  line-height: 1.9;
}

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

.chapter-name {
  display: block;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.chapter-hint {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--ink-mute);
}

.chapter-more {
  margin: 20px 0 0;
}

.related-list {
  margin-top: 16px;
}

.related-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  color: var(--ink-soft);
}

.side-column .side-block {
  padding: 18px 0;
}

.side-column .side-block:first-child {
  border-top: 2px solid var(--ink);
}

.tag-row-side {
  margin-top: 10px;
}

.info-list {
  margin-top: 10px;
  border-top: 1px solid var(--rule-soft);
}

.info-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14px;
  color: var(--ink-soft);
}

.scene-list {
  margin-top: 10px;
  border-top: 1px solid var(--rule-soft);
}

.scene-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* --- changjian-wenti.html --- */

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
  gap: 40px;
  align-items: start;
  padding: 32px 0 64px;
}

.faq-group {
  margin-bottom: 40px;
}

.faq-group h2 {
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.group-note {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--ink-mute);
}

.faq-aside {
  min-width: 0;
}

.faq-aside h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
}

.aside-links {
  border-top: 1px solid var(--rule);
}

.aside-links li {
  border-bottom: 1px solid var(--rule-soft);
}

.aside-links a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--ink-soft);
}

.aside-links a:hover {
  color: var(--jade);
}

.aside-figure {
  margin-top: 24px;
}

.aside-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
}

.feedback-note {
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-mute);
}

/* --- 404.html --- */

.error-main {
  display: flex;
  align-items: center;
  padding: 72px 0 80px;
}

.error-panel {
  max-width: 640px;
  padding: 40px 0 0;
  border-top: 2px solid var(--ink);
}

.error-code {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--amber);
}

.error-title {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 600;
}

.error-text {
  max-width: 560px;
  margin: 0 0 24px;
  color: var(--ink-soft);
}

.error-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  border-top: 1px solid var(--rule);
}

.error-links li {
  min-width: 0;
  border-bottom: 1px solid var(--rule);
}

.error-links a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 15px;
  color: var(--ink-soft);
}

.error-links a:hover {
  color: var(--jade);
}

.error-note {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--ink-mute);
}

.error-home-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 24px;
  padding: 0 24px;
  font-size: 15px;
  color: var(--paper);
  background: var(--jade);
  border-radius: 6px;
}

.error-home-btn:hover {
  color: var(--paper);
  background: var(--jade-deep);
  text-decoration: none;
}

/* ============================================================
   responsive
   ============================================================ */

@media (max-width: 1080px) {
  :root {
    --col-gap: 40px;
  }

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

  .footer-months {
    grid-column: 1 / -1;
  }

  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
  }

  .rank-columns {
    gap: 0 28px;
  }

  .read-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

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

  .faq-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
}

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

  .menu-toggle {
    display: block;
  }

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

@media (max-width: 760px) {
  :root {
    --gutter: 20px;
  }

  body,
  .site-body {
    font-size: 15px;
  }

  h1,
  .page-title {
    font-size: 28px;
  }

  h2 {
    font-size: 20px;
  }

  h3 {
    font-size: 17px;
  }

  .section {
    padding: 44px 0;
  }

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

  .brand {
    font-size: 19px;
  }

  .hero-band {
    padding: 40px 0 44px;
  }

  .hero-band h1 {
    margin-bottom: 14px;
  }

  .hero-lead {
    margin-bottom: 28px;
    font-size: 16px;
  }

  .info-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    margin-bottom: 32px;
  }

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

  .row-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 18px 0;
  }

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

  .rank-column {
    padding-top: 18px;
    margin-bottom: 28px;
  }

  .feature-figure img,
  .feature-visual .feature-figure img {
    aspect-ratio: 16 / 10;
  }

  .read-layout {
    gap: 28px;
  }

  .page-layout,
  .layout-shell,
  .sidebar-left .page-layout,
  .page-layout.sidebar-left {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding-top: 24px;
    padding-bottom: 48px;
  }

  .layout-sidebar,
  .content-side,
  .side-column,
  .faq-aside {
    padding-top: 0;
  }

  .anchor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-top: 0;
  }

  .anchor-list li {
    border-bottom: 0;
  }

  .anchor-list a {
    min-height: 40px;
    padding: 0 12px;
    font-size: 14px;
    border: 1px solid var(--rule);
    border-radius: 6px;
  }

  .year-index,
  .year-index .year-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 14px;
    -webkit-overflow-scrolling: touch;
  }

  .year-index {
    padding-bottom: 20px;
  }

  .year-chip,
  .year-link {
    flex: 0 0 auto;
  }

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

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

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

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

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

  .position-item,
  .tag-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .error-main {
    padding: 48px 0 56px;
  }

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

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

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

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

  .footer-bottom {
    flex-direction: column;
  }

  .month-visual {
    padding-bottom: 48px;
  }

  .faq-layout {
    padding: 24px 0 48px;
  }
}

@media (max-width: 420px) {
  .menu-group-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  a,
  .arrow-link::after {
    transition: none;
  }
}