/* roulang page: index */
:root {
  --paper: #F3EEE6;
  --panel: #FBFAF6;
  --ink: #1B1614;
  --muted: #5E564F;
  --line: #E3DAD0;
  --plum: #4C2A3C;
  --persimmon: #C4623A;
  --persimmon-hover: #b85a36;
  --celadon: #6E8F86;
  --night: #241C22;
  --row: #F7F1E8;
  --soft: #E7E0D8;
  --radius: 2px;
  --header: 64px;
  --max: 1120px;
  --dash: 1200px;
  --ease: 180ms ease-out;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.22;
}
p + p { margin-top: 0.85em; }
:focus-visible {
  outline: 2px solid var(--celadon);
  outline-offset: 3px;
}
.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.wrap-dash { width: min(var(--dash), calc(100% - 40px)); margin-inline: auto; }
.block { padding: 56px 0; }
.idx {
  display: inline-block;
  color: var(--celadon);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
}
.lede {
  margin-top: 16px;
  max-width: 68ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease);
}
.site-header.is-scrolled { border-bottom-color: #cfc3b6; }
.header-inner {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--plum);
}
.brand-mark { flex: 0 0 auto; color: var(--plum); }
.brand-name {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
}
.desktop-nav {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex: 1;
}
.nav-a {
  position: relative;
  padding: 8px 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
}
.nav-a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--plum);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--ease);
}
.nav-a:hover::after, .nav-a.is-active::after { transform: scaleX(1); }
.nav-a.is-active, .nav-a:hover { color: var(--plum); }
.header-actions { display: none; gap: 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--persimmon); border-color: var(--persimmon); color: var(--ink); }
.btn-primary:hover { background: var(--persimmon-hover); border-color: var(--persimmon-hover); }
.btn-ghost { background: transparent; border-color: var(--plum); color: var(--plum); }
.btn-ghost:hover { background: var(--plum); color: var(--paper); }
.menu-btn {
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--plum);
  transition: transform var(--ease), opacity var(--ease);
}
.menu-btn.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { opacity: 0; }
.menu-btn.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.drawer {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--header);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 12px 20px 20px;
}
.drawer a.nav-a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
.drawer a.nav-a::after { display: none; }
.drawer-actions { display: grid; gap: 8px; margin-top: 16px; }
.hero { padding: 48px 0 28px; }
.hero h1 {
  margin-top: 14px;
  font-size: clamp(34px, 5vw, 60px);
  max-width: 14ch;
  color: var(--ink);
}
.hero-sub {
  margin-top: 18px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 8px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.spec {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.spec div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.spec div:last-child { border-bottom: 0; }
.spec b {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}
.spec span { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; }
.filter {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
}
.filter-kicker { color: var(--celadon); font-size: 12px; letter-spacing: 0.08em; }
.filter-title {
  margin: 8px 0 16px;
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
}
.filter-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.field-label { color: var(--muted); font-size: 13px; margin-right: 4px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
}
.chip.is-on { background: var(--plum); border-color: var(--plum); color: #FBFAF6; }
.band { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rule-list { list-style: none; margin: 28px 0 0; padding: 0; }
.rule-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.rule-list li:last-child { border-bottom: 1px solid var(--line); }
.track {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.track li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  min-height: 148px;
}
.track h3 { margin-top: 10px; font-size: 22px; }
.track p { margin-top: 8px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.cap-grid { margin-top: 28px; display: grid; gap: 12px; }
.cap {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-height: 160px;
  transition: border-color var(--ease), transform var(--ease);
}
.cap:first-child { border-left: 2px solid var(--plum); min-height: 220px; }
.cap:hover { border-color: var(--plum); transform: translateY(-2px); }
.cap h3 { margin-top: 12px; font-size: 26px; }
.cap p { margin-top: 10px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.timeline { list-style: none; margin: 28px 0 0; padding: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px;
  padding: 0 0 26px 18px;
  border-left: 1px solid var(--celadon);
}
.timeline li:last-child { padding-bottom: 0; }
.timeline h3 { font-size: 22px; }
.timeline p { margin-top: 6px; color: var(--muted); font-size: 15px; }
.stairs { margin-top: 28px; display: grid; gap: 12px; }
.stairs article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.stairs h3 { margin-top: 8px; font-size: 24px; }
.stairs p { margin-top: 8px; color: var(--muted); font-size: 15px; }
.metrics {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}
.metrics article { padding: 22px 12px 18px 0; border-bottom: 1px solid var(--line); }
.metric-num {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  color: var(--plum);
}
.metric-num small { margin-left: 4px; font-family: "Noto Sans SC", sans-serif; font-size: 13px; color: var(--muted); font-weight: 400; }
.metrics p { margin-top: 8px; color: var(--ink); font-size: 14px; }
.rail {
  margin-top: 28px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 72%;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
}
.scene {
  scroll-snap-align: start;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color var(--ease), transform var(--ease);
}
.scene:hover { border-color: var(--plum); transform: translateY(-2px); }
.scene h3 { margin-top: 18px; font-size: 26px; }
.scene p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.read {
  margin-top: 24px;
  color: var(--plum);
  font-size: 14px;
  border-bottom: 1px solid transparent;
}
.read:hover { border-bottom-color: var(--plum); }
.people { margin-top: 12px; }
.people article {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.people article:last-child { border-bottom: 1px solid var(--line); }
.people h3 { font-size: 28px; color: var(--plum); }
.people p { color: var(--muted); font-size: 16px; }
.quote-grid { margin-top: 28px; display: grid; gap: 12px; }
.quote {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.quote p { font-family: "Noto Serif SC", serif; font-size: 20px; line-height: 1.65; }
.quote footer { margin-top: 16px; color: var(--celadon); font-size: 13px; }
.dash {
  background: var(--night);
  color: var(--paper);
  padding: 72px 0;
}
.dash-grid { display: grid; gap: 28px; }
.dash-num {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(64px, 9vw, 104px);
  line-height: 0.9;
  color: var(--paper);
}
.dash-label { margin-top: 10px; color: var(--soft); }
.mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(110, 143, 134, 0.55);
}
.mini article {
  padding: 18px 12px 16px 0;
  border-bottom: 1px solid rgba(110, 143, 134, 0.45);
}
.mini strong {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 36px;
  font-weight: 600;
  line-height: 1;
}
.mini span { display: block; margin-top: 8px; color: var(--soft); font-size: 14px; }
.cat-entry {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  background: var(--paper);
}
.cat-entry h2 { font-size: 28px; }
.text-link {
  color: var(--plum);
  font-size: 15px;
  border-bottom: 1px solid var(--plum);
  line-height: 1.4;
}
.text-link:hover { color: var(--persimmon); border-bottom-color: var(--persimmon); }
.news-list { list-style: none; margin: 22px 0 0; padding: 0; }
.news-list li { border-top: 1px solid var(--line); }
.news-list a.row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 8px;
  transition: background-color var(--ease);
}
.news-list a.row:hover { background: var(--row); }
.news-list time { color: var(--celadon); font-size: 13px; }
.news-list h3 { font-family: "Noto Sans SC", sans-serif; font-weight: 500; font-size: 17px; letter-spacing: 0; line-height: 1.55; }
.news-list p { color: var(--muted); font-size: 14px; }
.more-row { display: flex; justify-content: flex-end; padding-top: 16px; }
.doc-grid { margin-top: 28px; display: grid; gap: 12px; }
.doc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.doc h3 { font-size: 26px; }
.doc p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.doc .text-link { display: inline-block; margin-top: 14px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
  line-height: 1.45;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--celadon); font-family: "Noto Sans SC", sans-serif; }
.faq-item[open] summary::after { content: "–"; }
.faq-item summary:hover { color: var(--plum); }
.faq-item .ans { padding: 0 0 18px; color: var(--muted); font-size: 16px; max-width: 68ch; }
.cta {
  display: grid;
  gap: 18px;
  padding: 28px 0 8px;
}
.cta h2 { font-size: clamp(32px, 4vw, 48px); max-width: 12em; }
.site-footer { background: var(--night); color: var(--soft); padding: 48px 0 28px; }
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(227, 218, 208, 0.2);
}
.site-footer .brand { color: var(--paper); }
.site-footer .brand-mark { color: var(--paper); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 18px 28px; }
.footer-nav a { color: var(--soft); font-size: 15px; }
.footer-nav a:hover { color: var(--paper); }
.footer-bottom {
  display: grid;
  gap: 8px;
  padding-top: 18px;
  color: #b7aea6;
  font-size: 13px;
  line-height: 1.7;
}
@media (min-width: 640px) {
  .spec { grid-template-columns: repeat(3, 1fr); }
  .spec div { border-bottom: 0; padding: 16px 16px 16px 0; }
  .spec div + div { border-left: 1px solid var(--line); padding-left: 16px; }
  .rail { grid-auto-columns: 42%; }
  .news-list a.row { grid-template-columns: 110px 1fr; gap: 12px; align-items: start; }
}
@media (min-width: 768px) {
  .block { padding: 88px 0; }
  .hero { padding: 64px 0 36px; }
  .people article { grid-template-columns: 140px 1fr; gap: 24px; align-items: start; }
  .stairs { grid-template-columns: repeat(3, 1fr); align-items: start; }
  .stairs article:nth-child(2) { margin-top: 28px; }
  .stairs article:nth-child(3) { margin-top: 56px; }
  .metrics { grid-template-columns: repeat(4, 1fr); }
  .metrics article { border-bottom: 0; padding-right: 18px; }
  .metrics article + article { border-left: 1px solid var(--line); padding-left: 18px; }
  .cat-entry { flex-direction: row; align-items: center; }
  .footer-top { flex-direction: row; justify-content: space-between; align-items: end; }
}
@media (min-width: 1024px) {
  .block { padding: 108px 0; }
  .desktop-nav { display: flex; }
  .header-actions { display: flex; }
  .menu-btn, .drawer { display: none !important; }
  .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr); gap: 48px; align-items: end; }
  .track { grid-template-columns: repeat(4, 1fr); }
  .cap-grid { grid-template-columns: 5fr 3fr 2fr 2fr; }
  .cap:first-child { min-height: 100%; }
  .timeline { max-width: 760px; }
  .dash { padding: 104px 0; }
  .dash-grid { grid-template-columns: 5fr 7fr; align-items: end; }
  .quote-grid { grid-template-columns: 7fr 5fr; }
  .quote-side { display: grid; gap: 12px; }
  .quote-wide p { font-size: 28px; }
  .doc-grid { grid-template-columns: 7fr 5fr; }
  .doc-side { display: grid; gap: 12px; }
  .rail { grid-auto-columns: 220px; }
  .cta { grid-template-columns: 1.4fr 0.6fr; align-items: end; }
}
@media (max-width: 380px) {
  .brand-name { font-size: 13px; white-space: normal; max-width: 9em; }
  .wrap, .wrap-dash { width: min(var(--max), calc(100% - 28px)); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .cap:hover, .scene:hover, .btn:active { transform: none; }
}

/* roulang page: category1 */
:root {
  --paper: #F3EEE6;
  --panel: #FBFAF6;
  --ink: #1B1614;
  --muted: #5E564F;
  --line: #E3DAD0;
  --plum: #4C2A3C;
  --persimmon: #C4623A;
  --persimmon-hover: #b85a36;
  --celadon: #6E8F86;
  --night: #241C22;
  --row: #F7F1E8;
  --soft: #E7E0D8;
  --radius: 2px;
  --header: 64px;
  --max: 1120px;
  --dash: 1200px;
  --ease: 180ms ease-out;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--celadon); outline-offset: 2px; }
.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}
.wrap-dash {
  width: min(var(--dash), calc(100% - 40px));
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease);
}
.site-header.is-scrolled { border-bottom-color: #cfc3b6; }
.header-inner {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--plum);
}
.brand-mark { flex: 0 0 auto; color: var(--plum); }
.brand-name {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
  max-width: 9.2em;
}
.desktop-nav {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex: 1;
}
.nav-a {
  position: relative;
  padding: 8px 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
}
.nav-a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--plum);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--ease);
}
.nav-a:hover::after, .nav-a.is-active::after { transform: scaleX(1); }
.nav-a.is-active, .nav-a:hover { color: var(--plum); }
.header-actions { display: none; gap: 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--persimmon); border-color: var(--persimmon); color: var(--ink); }
.btn-primary:hover { background: var(--persimmon-hover); border-color: var(--persimmon-hover); }
.btn-ghost { background: transparent; border-color: var(--plum); color: var(--plum); }
.btn-ghost:hover { background: var(--plum); color: var(--paper); }
.menu-btn {
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--plum);
  transition: transform var(--ease), opacity var(--ease);
}
.menu-btn.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { opacity: 0; }
.menu-btn.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.drawer {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--header);
  z-index: 39;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 12px 20px 20px;
}
.drawer[hidden] { display: none !important; }
.drawer a.nav-a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
.drawer a.nav-a::after { display: none; }
.drawer-actions { display: grid; gap: 8px; margin-top: 16px; }
.idx {
  color: var(--celadon);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
}
h1 {
  margin-top: 8px;
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 12em;
}
h2 {
  margin-top: 8px;
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.28;
  letter-spacing: -0.015em;
}
h3 {
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  font-size: 20px;
  line-height: 1.45;
}
.sec { padding: 56px 0; }
.lead {
  margin-top: 14px;
  max-width: 62ch;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.8;
}
.muted { color: var(--muted); font-size: 14px; line-height: 1.75; }
.crumb { font-size: 13px; color: var(--muted); }
.crumb a { color: var(--plum); border-bottom: 1px solid transparent; }
.crumb a:hover { border-bottom-color: var(--plum); }
.page-head {
  display: grid;
  gap: 18px;
}
.update-note {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  padding-top: 6px;
  border-top: 1px solid var(--line);
}
#yemei { padding: 36px 0 28px; }
#shaixuan {
  padding: 28px 0;
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.filter-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 18px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
}
.chip:hover { border-color: var(--plum); color: var(--plum); }
.chip.is-on, .chip.is-on:hover { background: var(--plum); border-color: var(--plum); color: #FBFAF6; }
.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 28px;
  padding-bottom: 72px;
}
#tiaomu, #zaikan { padding: 8px 0; }
.entry-list { margin-top: 18px; border-bottom: 1px solid var(--line); }
.entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 10px;
  border-top: 1px solid var(--line);
  transition: background-color var(--ease);
}
.entry[hidden] { display: none !important; }
.entry:hover { background: var(--row); }
.entry time { color: var(--celadon); font-size: 13px; font-variant-numeric: tabular-nums; }
.entry h3 { font-size: 20px; }
.entry p { margin-top: 4px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.marks { display: flex; flex-wrap: wrap; gap: 6px; }
.mark {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid var(--celadon);
  border-radius: var(--radius);
  color: var(--celadon);
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
}
.empty-note {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 14px;
}
.empty-note[hidden] { display: none !important; }
.side-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 20px 18px 8px;
  transition: border-color var(--ease), transform var(--ease);
}
.side-card:hover { border-color: var(--plum); transform: translateY(-2px); }
.side-list { list-style: none; margin: 8px 0 0; padding: 0; }
.side-list a {
  display: block;
  padding: 14px 2px;
  border-top: 1px solid var(--line);
  transition: background-color var(--ease), color var(--ease);
}
.side-list li:last-child a { border-bottom: 1px solid var(--line); }
.side-list a:hover { background: var(--row); color: var(--plum); }
.side-list strong { display: block; font-weight: 500; font-size: 16px; line-height: 1.5; }
.side-list small { display: block; margin-top: 2px; color: var(--celadon); font-size: 12px; }
#yuedu { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.step-row {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.step-row article { padding: 18px 0; }
.step-row article + article { border-top: 1px solid var(--line); }
.step-no {
  color: var(--celadon);
  font-family: "Noto Serif SC", serif;
  font-size: 13px;
}
.step-row h3 { margin-top: 6px; font-size: 22px; }
.step-row p { margin-top: 8px; color: var(--muted); font-size: 15px; max-width: 36ch; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
  font-size: 14px;
  cursor: pointer;
  transition: border-color var(--ease), color var(--ease), transform var(--ease), background-color var(--ease);
}
.tag:hover, .tag.is-on {
  border-color: var(--plum);
  color: var(--plum);
  transform: translateY(-2px);
  background: var(--panel);
}
.note {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--celadon);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.8;
  min-height: 5.4em;
}
#zhibiao { padding-top: 48px; }
.metric-bar {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--celadon);
}
.metric { padding: 16px 12px 14px; border-bottom: 1px solid var(--line); }
.metric b {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 34px;
  line-height: 1.1;
  font-weight: 600;
  color: var(--plum);
  font-variant-numeric: tabular-nums;
}
.metric span { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-of-type { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
  line-height: 1.45;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--celadon);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 22px;
  line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p {
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
}
.faq-list { margin-top: 12px; }
.more-row { display: flex; justify-content: flex-start; padding-top: 22px; }
.site-footer {
  background: var(--night);
  color: #F3EEE6;
  padding: 48px 0 32px;
}
.site-footer .brand, .site-footer .brand-mark { color: #F3EEE6; }
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(243, 238, 230, .16);
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-nav a { font-size: 15px; color: #F3EEE6; }
.footer-nav a:hover { color: #d7c4b4; }
.footer-bottom { padding-top: 18px; color: rgba(243, 238, 230, .72); font-size: 13px; line-height: 1.75; }
.footer-bottom p + p { margin-top: 6px; }
@media (min-width: 768px) {
  .page-head { grid-template-columns: minmax(0, 1.45fr) minmax(220px, .7fr); align-items: end; gap: 32px; }
  .update-note { border-top: 0; border-left: 1px solid var(--line); padding: 4px 0 4px 22px; }
  .entry {
    grid-template-columns: 112px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
  }
  .step-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .step-row article { padding: 22px 22px 22px 0; }
  .step-row article + article { border-top: 0; border-left: 1px solid var(--line); padding-left: 22px; }
  .metric-bar { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .metric + .metric { border-left: 1px solid var(--line); }
  .sec { padding: 96px 0; }
  #yemei { padding: 48px 0 32px; }
  #zhibiao { padding: 72px 0 64px; }
}
@media (min-width: 1024px) {
  .desktop-nav, .header-actions { display: flex; }
  .menu-btn { display: none; }
  .drawer { display: none !important; }
  .brand-name { max-width: none; font-size: 15px; }
  .header-inner { gap: 28px; }
  .catalog-grid {
    grid-template-columns: minmax(0, 8fr) minmax(260px, 4fr);
    gap: 40px;
    align-items: start;
    padding-bottom: 104px;
  }
  .side-card { position: sticky; top: 84px; }
}
@media (max-width: 520px) {
  .wrap, .wrap-dash { width: min(var(--max), calc(100% - 28px)); }
  .brand-name { font-size: 13px; max-width: 8.6em; }
  h1 { font-size: 32px; }
  .metric b { font-size: 28px; }
  .faq-item summary { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .side-card:hover, .tag:hover, .tag.is-on { transform: none; }
}