/* roulang page: index */
:root {
  --clay: #C46A45;
  --plum: #4A3048;
  --moss: #5E7D68;
  --paper: #F6F1EA;
  --rice: #EFE6DB;
  --ink: #1C1614;
  --text: #241C1A;
  --muted: #5C514C;
  --line: #E4D8CC;
  --card: #FFFcf8;
  --radius: 14px;
  --radius-btn: 999px;
  --radius-input: 10px;
  --shadow: 0 8px 24px rgba(28, 22, 20, .06);
  --header-h: 64px;
  --section-y: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 0.8em; }
h1, h2, h3, h4 {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.25;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.4em;
}
h1 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 2.6vw, 32px); }
h3 { font-size: 18px; }
button { cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  height: var(--header-h);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: background 160ms ease;
}
.site-header.is-scrolled { background: rgba(246, 241, 234, .92); }
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text);
}
.sprocket {
  width: 16px;
  height: 26px;
  flex: 0 0 16px;
  border-radius: 3px;
  background:
    radial-gradient(circle at 50% 5px, var(--paper) 2px, transparent 2.4px),
    radial-gradient(circle at 50% 13px, var(--paper) 2px, transparent 2.4px),
    radial-gradient(circle at 50% 21px, var(--paper) 2px, transparent 2.4px),
    var(--plum);
}
.brand-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 12px;
  color: var(--text);
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.nav-links a:hover { color: var(--clay); }
.nav-links a:active { color: var(--plum); }
.nav-links a.is-active { border-bottom-color: var(--clay); color: var(--clay); }
.menu-toggle {
  display: none;
  margin-left: auto;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-size: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
  white-space: nowrap;
}
.btn-solid {
  background: var(--clay);
  color: var(--paper);
}
.btn-solid:hover, .btn-solid:focus {
  background: var(--plum);
  color: var(--paper);
  transform: translateY(-1px);
}
.btn-solid:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover, .btn-ghost:focus {
  border-color: var(--plum);
  color: var(--plum);
  transform: translateY(-1px);
}
.nav-cta { flex: 0 0 auto; height: 38px; min-height: 38px; padding: 0 16px; }
.hero {
  padding: calc(var(--header-h) + 48px) 0 72px;
  background: var(--paper);
}
.hero-lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 16px;
  margin: 14px 0 28px;
}
.stage {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 14px 18px;
  min-height: 320px;
}
.stage-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}
.stage-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 11px 10px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.stage-row strong { font-weight: 700; }
.stage-row span { color: var(--muted); }
.film-bar {
  height: 46px;
  margin-bottom: 8px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 8px 50%, transparent 3px, #2A2224 3.4px) 0 0 / 18px 100% repeat-x,
    linear-gradient(90deg, #C46A45 0 18%, #4A3048 18% 46%, #8C5344 46% 70%, #5E7D68 70% 100%);
}
.value-list { display: flex; flex-direction: column; gap: 14px; }
.value-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 16px;
}
.value-item b {
  display: block;
  font-size: 28px;
  line-height: 1.1;
  color: var(--clay);
  font-weight: 700;
}
.value-item span { color: var(--muted); font-size: 14px; }
.stage-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.section { padding: var(--section-y) 0; background: var(--paper); }
.section-alt { background: var(--rice); }
.section-dark { background: var(--plum); color: var(--paper); }
.section-dark h2, .section-dark h3 { color: var(--paper); }
.section-ink { background: var(--ink); color: var(--paper); }
.section-head { margin-bottom: 20px; max-width: 760px; }
.section-desc { color: var(--muted); margin: 0; }
.section-dark .section-desc, .section-ink .section-desc { color: #E7D9CF; }
.tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--radius-btn);
  background: var(--rice);
  color: var(--plum);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--line);
}
.tag-ok { background: #E7EFE9; color: #2F4A39; border-color: #C9D9CE; }
.tag-clay { background: #F8E7DF; color: #8A4630; border-color: #E7CBBE; }
.kpi-brick {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 20px;
  height: 100%;
}
.kpi-tall { min-height: 280px; display: flex; flex-direction: column; justify-content: flex-end; background: linear-gradient(180deg, #fff 0%, #F8EFE6 100%); }
.kpi-mid { min-height: 280px; display: flex; flex-direction: column; justify-content: space-between; }
.kpi-stack { display: flex; flex-direction: column; gap: 16px; height: 100%; }
.kpi-stack .kpi-brick { min-height: 132px; }
.kpi-num {
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1;
  color: var(--clay);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.kpi-label { display: block; margin-top: 8px; color: var(--text); font-weight: 700; }
.kpi-note { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.matrix-card {
  display: block;
  height: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 20px 20px;
  transition: transform 160ms ease, border-color 160ms ease;
}
.matrix-card:hover { transform: translateY(-2px); border-color: #D7B8A6; }
.matrix-card .idx { color: var(--clay); font-weight: 700; font-size: 13px; }
.matrix-card p { color: var(--muted); font-size: 14px; margin: 8px 0 0; }
.matrix-card .more { display: inline-block; margin-top: 14px; color: var(--plum); font-weight: 700; font-size: 14px; }
.span-wide { min-height: 210px; }
.compare-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 100%;
}
.compare-col header {
  padding: 16px 18px;
  background: var(--ink);
  color: var(--paper);
}
.compare-col header h3 { color: var(--paper); margin: 0; font-size: 18px; }
.compare-col.is-field header { background: var(--clay); }
.compare-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
}
.compare-row b { font-size: 14px; }
.compare-row span { color: var(--muted); font-size: 14px; }
.timeline { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 14px;
  height: 2px;
  background: rgba(246, 241, 234, .28);
}
.tl-item { position: relative; padding-top: 36px; }
.tl-dot {
  position: absolute;
  top: 6px;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--clay);
  border: 3px solid var(--plum);
  box-shadow: 0 0 0 2px rgba(196, 106, 69, .45);
}
.tl-item h3 { font-size: 18px; margin-bottom: 6px; }
.tl-item p { margin: 0; color: #E7D9CF; font-size: 14px; }
.scene-visual {
  border-radius: var(--radius);
  min-height: 280px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background:
    repeating-linear-gradient(90deg, #1C1614 0 14px, transparent 14px 28px),
    linear-gradient(160deg, #4A3048 0%, #C46A45 58%, #EFE6DB 58% 100%);
  position: relative;
  overflow: hidden;
}
.scene-visual span {
  position: absolute;
  left: 20px;
  bottom: 18px;
  background: rgba(246, 241, 234, .92);
  color: var(--text);
  border-radius: var(--radius-btn);
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 700;
}
.scene-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.scene-row:last-child { border-bottom: 0; }
.scene-no {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--clay);
  color: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.scene-row p { margin: 0; color: var(--muted); font-size: 14px; }
.rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 6px 2px 12px;
  scroll-snap-type: x mandatory;
}
.pick-card {
  flex: 0 0 270px;
  scroll-snap-align: start;
  min-height: 230px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex;
  flex-direction: column;
}
.pick-card.is-tall { flex-basis: 320px; min-height: 310px; }
.pick-card h3 { margin-top: 12px; }
.pick-card p { color: var(--muted); font-size: 14px; flex: 1; }
.pick-meta { color: var(--muted); font-size: 13px; }
.news-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.news-item:first-child { border-top: 1px solid var(--line); }
.news-date { color: var(--clay); font-weight: 700; padding-top: 2px; }
.news-item h3 { margin: 0 0 4px; font-size: 18px; }
.news-item p { margin: 0; color: var(--muted); font-size: 14px; }
.news-item a:hover h3 { color: var(--clay); }
.cat-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 28px;
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 24px;
  align-items: end;
}
.cat-count { font-size: 42px; line-height: 1; color: var(--clay); font-weight: 700; }
.assure-bar {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.assure-ico {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #F8E7DF;
  color: var(--clay);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.assure-bar p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.qa-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 8px;
  box-shadow: var(--shadow);
  height: 100%;
}
.qa-item h3 { font-size: 17px; }
.qa-item p { color: var(--muted); font-size: 14px; }
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  position: relative;
  padding-bottom: 22px;
}
.step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: var(--line);
}
.step:last-child::before { display: none; }
.step-no {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--clay);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.step p { margin: 4px 0 0; color: var(--muted); }
.faq-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-wrap .accordion { background: transparent; border: 0; margin: 0; }
.faq-wrap .accordion-item { border-bottom: 1px solid var(--line); }
.faq-wrap .accordion-item:last-child { border-bottom: 0; }
.faq-wrap .accordion-title {
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  padding: 16px 44px 16px 18px;
  border: 0;
}
.faq-wrap .accordion-title:hover,
.faq-wrap .accordion-title:focus { color: var(--clay); background: #FBF7F2; }
.faq-wrap .accordion-content { border: 0; color: var(--muted); padding: 0 18px 16px; }
.faq-wrap .accordion-title::before { color: var(--clay); }
.doc-card, .log-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  height: 100%;
}
.log-line {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.log-line strong { display: block; }
.log-line span { color: var(--muted); font-size: 14px; }
.form-copy h2, .form-copy p { color: var(--paper); }
.form-copy p { color: #E7D9CF; }
.form-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.field input, .field textarea {
  width: 100%;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-input);
  background: #fff;
  color: var(--text);
  box-shadow: none;
  font-size: 15px;
}
.field input { height: 46px; padding: 0 12px; }
.field textarea { min-height: 110px; padding: 10px 12px; resize: vertical; }
.field input:focus, .field textarea:focus {
  border-color: var(--clay);
  background: #fff;
  box-shadow: none;
}
.field .form-error { color: #8C3A32; font-size: 13px; font-weight: 700; }
.is-invalid-input { border-color: #8C3A32 !important; background: #fff !important; }
.form-success {
  margin-top: 12px;
  background: #E7EFE9;
  color: #244233;
  border: 1px solid #B7CBBE;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
}
.site-footer {
  background: var(--ink);
  color: #F6F1EA;
  padding: 48px 0 20px;
}
.site-footer h2 { color: #F6F1EA; font-size: 20px; }
.site-footer p, .site-footer a { color: #E4D8CC; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-links a:hover { color: #F6F1EA; }
.footer-bottom {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(228, 216, 204, .2);
  color: #B7A79C;
  font-size: 13px;
}
@media (max-width: 1024px) {
  .cat-panel { grid-template-columns: 1fr; }
  .kpi-tall, .kpi-mid { min-height: 200px; }
  .brand-name { font-size: 15px; }
}
@media (max-width: 768px) {
  :root { --section-y: 40px; }
  .menu-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(246, 241, 234, .98);
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 14px;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { height: 44px; border-bottom: 0; }
  .timeline { grid-template-columns: 1fr; padding-left: 8px; }
  .timeline::before { left: 16px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .tl-dot { left: 0; }
  .news-item { grid-template-columns: 72px 1fr; gap: 10px; }
  .hero { padding-top: calc(var(--header-h) + 28px); }
  .scene-row { grid-template-columns: 42px 1fr; }
  .scene-row .btn { grid-column: 2; justify-self: start; }
}
@media (max-width: 520px) {
  .brand-name { font-size: 13px; }
  .nav-cta { padding: 0 12px; }
  .stage-row { grid-template-columns: 1fr; gap: 2px; }
  .compare-row { grid-template-columns: 1fr; gap: 4px; }
  .header-inner { gap: 8px; }
  .pick-card, .pick-card.is-tall { flex-basis: 82%; }
  h1 { font-size: 28px; }
}

/* roulang page: category1 */
:root {
  --clay: #C46A45;
  --plum: #4A3048;
  --moss: #5E7D68;
  --paper: #F6F1EA;
  --rice: #EFE6DB;
  --ink: #1C1614;
  --text: #241C1A;
  --muted: #5C514C;
  --line: #E4D8CC;
  --card: #FFFcf8;
  --radius: 14px;
  --radius-btn: 999px;
  --radius-input: 10px;
  --shadow: 0 8px 24px rgba(28, 22, 20, .06);
  --header-h: 64px;
  --section-y: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
h1, h2, h3 { line-height: 1.25; color: var(--text); margin: 0 0 10px; font-weight: 700; }
p { margin: 0 0 10px; }
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  height: var(--header-h);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: background 160ms ease;
}
.site-header.is-scrolled { background: rgba(246, 241, 234, .92); }
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text);
}
.brand-mark {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
}
.brand-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 12px;
  color: var(--text);
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.nav-links a:hover { color: var(--clay); }
.nav-links a:active { color: var(--plum); }
.nav-links a.is-active { border-bottom-color: var(--clay); color: var(--clay); }
.nav-links a:focus-visible, .btn:focus-visible, .chip:focus-visible, .menu-toggle:focus-visible, summary:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}
.menu-toggle {
  display: none;
  margin-left: auto;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-size: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
  white-space: nowrap;
}
.btn-solid { background: var(--clay); color: var(--paper); }
.btn-solid:hover, .btn-solid:focus {
  background: var(--plum);
  color: var(--paper);
  transform: translateY(-1px);
}
.btn-solid:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover, .btn-ghost:focus {
  border-color: var(--plum);
  color: var(--plum);
  transform: translateY(-1px);
}
.nav-cta { flex: 0 0 auto; height: 38px; min-height: 38px; padding: 0 16px; }
.section { padding: var(--section-y) 0; background: var(--paper); }
.section-alt { background: var(--rice); }
.section-dark { background: var(--plum); color: var(--paper); }
.section-dark h2, .section-dark h3 { color: var(--paper); }
.section-head { margin-bottom: 20px; max-width: 760px; }
.section-desc { color: var(--muted); margin: 0; }
.section-dark .section-desc { color: #E7D9CF; }
.tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--radius-btn);
  background: var(--rice);
  color: var(--plum);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--line);
}
.tag-ok { background: #E7EFE9; color: #2F4A39; border-color: #C9D9CE; }
.tag-clay { background: #F8E7DF; color: #8A4630; border-color: #E7CBBE; }
.cat-top { padding: calc(var(--header-h) + 28px) 0 36px; background: var(--paper); }
.cat-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.cat-title {
  font-size: 34px;
  margin-bottom: 8px;
}
.cat-lead { color: var(--muted); max-width: 680px; margin: 0; }
.stat-side {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px 14px;
}
.stat-side b {
  display: block;
  font-size: 32px;
  line-height: 1.1;
  color: var(--clay);
}
.stat-side span { color: var(--muted); font-size: 14px; }
.stat-side + .stat-side { margin-top: 12px; }
.chip-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  align-items: center;
}
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip-label { color: var(--muted); font-size: 13px; font-weight: 700; margin-right: 4px; }
.chip {
  height: 34px;
  padding: 0 14px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-size: 14px;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}
.chip:hover { border-color: var(--clay); color: var(--clay); }
.chip.is-on { border-color: var(--clay); color: var(--clay); background: #F8E7DF; }
.sheet {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.sheet-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
}
.sheet-row:first-child { border-top: 0; }
.sheet-row.is-hidden { display: none; }
.sheet-no {
  font-weight: 700;
  color: var(--clay);
  font-size: 18px;
}
.sheet-row h3 { font-size: 18px; margin: 0 0 2px; }
.sheet-row p { margin: 0; color: var(--muted); font-size: 14px; }
.sheet-more {
  display: flex;
  justify-content: center;
  padding: 18px;
  border-top: 1px solid var(--line);
  background: var(--rice);
}
.empty-note {
  display: none;
  padding: 28px 18px;
  text-align: center;
  color: var(--muted);
}
.empty-note.is-show { display: block; }
.batch-list { display: flex; flex-direction: column; gap: 12px; }
.batch-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  background: rgba(255, 252, 248, .08);
  border: 1px solid rgba(231, 217, 207, .28);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
}
.batch-item strong { color: #F6F1EA; }
.batch-item p { margin: 0; color: #E7D9CF; font-size: 14px; }
.field-dl { margin: 0; }
.field-dl div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.field-dl dt { font-weight: 700; }
.field-dl dd { margin: 0; color: var(--muted); }
.note-card {
  display: block;
  height: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 18px 18px;
  transition: transform 160ms ease, border-color 160ms ease;
}
.note-card:hover { transform: translateY(-2px); border-color: #D7B8A6; }
.note-card .idx { color: var(--clay); font-weight: 700; font-size: 13px; }
.note-card h3 { font-size: 18px; margin: 8px 0; }
.note-card p { color: var(--muted); font-size: 14px; margin: 0; }
.note-card .more { display: inline-block; margin-top: 14px; color: var(--plum); font-weight: 700; font-size: 14px; }
.note-card.tall { min-height: 220px; }
.note-card.short { min-height: 168px; }
.qa details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 10px;
  padding: 0 16px;
}
.qa summary {
  cursor: pointer;
  font-weight: 700;
  min-height: 52px;
  display: flex;
  align-items: center;
  list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa details p { color: var(--muted); margin: 0 0 14px; font-size: 15px; }
.acquire {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 22px 22px;
}
.acquire h2 { color: var(--paper); font-size: 22px; margin-bottom: 6px; }
.acquire p { margin: 0; color: #E7D9CF; }
.site-footer {
  background: var(--plum);
  color: var(--paper);
  padding: 48px 0 22px;
}
.site-footer h2 { color: var(--paper); font-size: 22px; }
.site-footer p { color: #E7D9CF; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-links a { color: #F6F1EA; }
.foot-links a:hover { color: #F8E7DF; }
.footer-bottom {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(231, 217, 207, .28);
  color: #E7D9CF;
  font-size: 13px;
}
@media (max-width: 1024px) {
  .cat-title { font-size: 30px; }
  .brand-name { font-size: 15px; }
}
@media (max-width: 768px) {
  :root { --section-y: 40px; }
  .menu-toggle { display: inline-flex; align-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 14px;
    margin: 0;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { height: 44px; }
  .header-inner { position: relative; }
  .cat-title { font-size: 26px; }
  .sheet-row, .batch-item, .field-dl div { grid-template-columns: 1fr; }
  .sheet-row .btn { justify-self: start; }
  .acquire { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .brand-name { font-size: 13px; }
  .nav-cta { padding: 0 12px; font-size: 13px; }
  .cat-top { padding-top: calc(var(--header-h) + 18px); }
}
