/* roulang page: index */
:root {
  --persimmon: #C4622D;
  --plum: #3D2A4A;
  --paper: #F4EFE8;
  --ink: #241824;
  --muted: #5C534C;
  --celadon: #3E7C6F;
  --line: rgba(61,42,74,.14);
  --warm: #EBE3D8;
  --card: #FFFBF7;
  --shadow: 0 16px 40px rgba(61,42,74,.12);
  --radius: 24px;
  --btn: 12px;
  --space: 92px;
  --max: 72rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button, input { font-family: inherit; }
a { color: var(--plum); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--persimmon); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--persimmon);
  outline-offset: 3px;
}
h1, h2, h3, .logo-word {
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-weight: 600;
  letter-spacing: 0;
  text-align: left;
  line-height: 1.35;
}
p { margin: 0 0 0.9em; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.sec { padding: var(--space) 0; }
.sec-paper { background: var(--paper); }
.sec-warm { background: var(--warm); }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--persimmon);
  font-size: 13px;
  letter-spacing: 0.08em;
}
h1 { font-size: clamp(36px, 5vw, 56px); margin: 0 0 12px; }
h2 { font-size: clamp(28px, 3vw, 34px); margin: 0 0 14px; }
h3 { font-size: 20px; margin: 0 0 8px; }
.lead { max-width: 46rem; color: var(--muted); font-size: 17px; }
.subhead { margin: 0 0 18px; font-size: 18px; color: #F7E7D4; }

.site-header { background: var(--card); border-bottom: 1px solid var(--line); }
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 74px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  min-width: 0;
}
.logo:hover { color: var(--persimmon); }
.sprocket {
  width: 36px;
  height: 28px;
  flex: 0 0 auto;
  color: var(--persimmon);
}
.logo-word { font-size: 18px; line-height: 1.25; }
.brand-links { display: flex; gap: 18px; flex: 0 0 auto; }
.brand-links a { font-size: 14px; text-decoration: none; border-bottom: 1px solid transparent; }
.brand-links a:hover { border-bottom-color: var(--persimmon); }
.channel-row {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,251,247,.94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
}
.channel-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0 12px;
  scrollbar-width: none;
}
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-scroll a {
  flex: 0 0 auto;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--plum);
  background: transparent;
  font-size: 14px;
  transition: .2s ease;
}
.channel-scroll a:hover { background: #F6E2D2; color: var(--plum); }
.channel-scroll a.is-active, .channel-scroll a:active {
  background: var(--persimmon);
  border-color: var(--persimmon);
  color: #fff;
}

.hero-sec {
  background: linear-gradient(135deg, #3D2A4A 0%, #6B3A45 52%, #C4622D 100%);
  color: #F8F1E8;
  padding: 72px 0 64px;
}
.hero-sec .kicker { color: #F0C9A4; }
.bento {
  display: grid;
  grid-template-columns: 1.35fr .72fr .72fr;
  grid-template-rows: auto auto auto;
  gap: 16px;
}
.bento-main {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  padding: 32px;
  border-radius: var(--radius);
  background: rgba(36,24,36,.28);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: var(--shadow);
}
.hero-copy p { color: rgba(248,241,232,.88); }
.badge-stack { display: flex; flex-direction: column; gap: 12px; }
.cert {
  border-radius: 18px;
  padding: 14px 16px;
  background: rgba(244,239,232,.1);
  border: 1px solid rgba(255,255,255,.18);
}
.cert b { display: block; font-family: "Songti SC", "STSong", serif; font-size: 28px; line-height: 1.1; }
.cert span { display: block; font-size: 14px; }
.cert em { font-style: normal; font-size: 12px; color: #E7C8A4; }
.mini {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255,251,247,.08);
  border: 1px solid rgba(255,255,255,.16);
}
.mini-a { grid-column: 3; grid-row: 1; }
.mini-b { grid-column: 3; grid-row: 2; }
.mini h3 { color: #fff; font-size: 18px; }
.mini p { margin: 0; color: rgba(248,241,232,.82); font-size: 14px; }
.swatch { height: 46px; border-radius: 12px; margin-bottom: 12px; }
.swatch-a { background: linear-gradient(90deg, #C4622D, #E7C8A4); }
.swatch-b { background: linear-gradient(90deg, #3E7C6F, #D7E4DC); }
.bento-cta {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(36,24,36,.35);
  border: 1px solid rgba(255,255,255,.14);
}
.bento-cta p { margin: 0; color: #F8F1E8; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--btn);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--persimmon); color: #fff; }
.btn-primary:hover, .btn-primary:active { background: var(--plum); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--plum); border-color: var(--plum); }
.btn-ghost:hover { background: #F6E2D2; color: var(--plum); }
.hero-sec .btn-ghost { color: #fff; border-color: rgba(255,255,255,.55); }
.hero-sec .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.hero-sec .text-link { color: #F0C9A4; }

.chip-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.chip {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
}
.chip svg { width: 28px; height: 28px; flex: 0 0 auto; color: var(--persimmon); }
.chip strong { display: block; }
.chip p { margin: 0; color: var(--muted); font-size: 14px; }

.solution-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, #3D2A4A 0%, #6B3A45 55%, #C4622D 100%);
  color: #F8F1E8;
  box-shadow: var(--shadow);
}
.solution-card article { padding: 32px; }
.solution-card article + article { border-left: 1px solid rgba(255,255,255,.2); }
.solution-card h3 { color: #fff; }
.solution-card ul { margin: 0; padding: 0; list-style: none; }
.solution-card li { padding: 10px 0; border-top: 1px solid rgba(255,255,255,.18); }
.fine-links { display: flex; gap: 18px; margin-top: 18px; }
.fine-links a { color: #F0C9A4; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 28px; position: relative; }
.steps::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 28px;
  height: 1px;
  background: var(--line);
}
.step {
  position: relative;
  padding: 0 16px 0 0;
}
.step i {
  display: flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--line);
  font-family: "Songti SC", "STSong", serif;
  font-style: normal;
  color: var(--persimmon);
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.step p { color: var(--muted); margin: 0; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.stat {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.stat b { display: block; font-family: "Songti SC", "STSong", serif; font-size: 40px; line-height: 1; }
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  color: #fff;
  background: var(--celadon);
  margin-bottom: 10px;
}
.pill-amber { background: var(--persimmon); }

.entry-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 18px; margin-top: 28px; }
.entry {
  min-height: 280px;
  border-radius: var(--radius);
  padding: 28px;
  color: #F8F1E8;
  background: linear-gradient(135deg, #3D2A4A 0%, #6B3A45 48%, #C4622D 100%);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.entry:nth-child(2) { background: linear-gradient(160deg, #241824 0%, #3D2A4A 46%, #C4622D 100%); }
.entry p { color: rgba(248,241,232,.86); }
.entry a { color: #fff; align-self: flex-start; }

.scene-bars { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.scene-bar {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  align-items: center;
  background: var(--card);
  border-radius: 20px;
  padding: 14px;
  border: 1px solid var(--line);
}
.person {
  height: 72px;
  border-radius: 16px;
}
.person-a { background: #C4622D; }
.person-b { background: #3D2A4A; }
.person-c { background: #3E7C6F; }
.scene-bar p { margin: 0; color: var(--muted); }

.quote-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.quote {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.quote:nth-child(2) { margin-top: 36px; }
.quote p { font-family: "Songti SC", "STSong", serif; font-size: 22px; line-height: 1.6; margin: 0 0 12px; }
.quote span { color: var(--muted); font-size: 14px; }

.mosaic { display: grid; grid-template-columns: 1.4fr .8fr; gap: 16px; margin-top: 28px; }
.tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  display: block;
}
.tile:hover { transform: translateY(-2px); color: inherit; }
.tile-lg { min-height: 100%; background: #241824; color: #F8F1E8; }
.tile-lg p, .tile p { color: inherit; }
.tile-lg p { color: rgba(248,241,232,.8); }
.tile-col { display: grid; gap: 16px; }
.film {
  height: 88px;
  border-radius: 16px;
  margin-bottom: 16px;
  background:
    radial-gradient(circle at 12px 18px, transparent 5px, #C4622D 6px) 0 0 / 28px 100%,
    linear-gradient(90deg, #3D2A4A, #C4622D);
}

.news-list { margin-top: 22px; display: flex; flex-direction: column; }
.news-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
}
.news-item:hover { color: var(--persimmon); }
.news-item time { color: var(--muted); }
.news-item span { font-family: "Songti SC", "STSong", serif; font-size: 20px; }

.meters { display: flex; flex-direction: column; gap: 18px; margin-top: 26px; }
.meter {
  background: var(--card);
  border-radius: 20px;
  padding: 16px 18px;
  border: 1px solid var(--line);
}
.meter-top { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.track { height: 10px; border-radius: 999px; background: #E4D9CC; overflow: hidden; }
.track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #3E7C6F, #C4622D); }

.timeline { margin-top: 24px; border-left: 1px solid var(--line); padding-left: 22px; display: flex; flex-direction: column; gap: 18px; }
.node { position: relative; }
.node::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--persimmon);
  position: absolute;
  left: -29px;
  top: 8px;
}
.node a { text-decoration: none; color: var(--ink); }
.node a:hover { color: var(--persimmon); }
.node p { margin: 4px 0 0; color: var(--muted); }

.clause { margin: 22px 0 0; padding: 0; list-style: none; counter-reset: clause; }
.clause li {
  counter-increment: clause;
  padding: 14px 0 14px 48px;
  border-top: 1px solid var(--line);
  position: relative;
}
.clause li::before {
  content: counter(clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  color: var(--persimmon);
  font-family: "Songti SC", "STSong", serif;
}

.faq { margin-top: 12px; }
.faq details {
  border-top: 1px solid var(--line);
  padding: 6px 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  padding: 12px 0;
  font-family: "Songti SC", "STSong", serif;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details p { color: var(--muted); margin: 0 0 12px; }
.faq details[open] summary { color: var(--persimmon); }

.remind {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
  align-items: end;
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.fields { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input[type="text"], input[type="email"] {
  width: 100%;
  height: 46px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 12px;
  color: var(--ink);
}
.form-note { margin: 10px 0 0; color: var(--celadon); }

.closing {
  background: linear-gradient(135deg, #3D2A4A 0%, #6B3A45 52%, #C4622D 100%);
  color: #F8F1E8;
}
.closing .lead { color: rgba(248,241,232,.86); }
.closing-row { display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.site-footer { background: #241824; color: #E7DDD4; padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 24px; }
.site-footer a { color: #F0C9A4; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer h3 { color: #fff; font-size: 18px; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); color: #B7AEA6; font-size: 13px; }

@media (max-width: 1024px) {
  :root { --space: 72px; }
  .bento, .bento-main, .entry-grid, .mosaic, .quote-wrap, .stat-grid, .remind, .foot-grid, .closing-row {
    grid-template-columns: 1fr 1fr;
  }
  .bento-main { grid-column: 1 / -1; grid-row: auto; }
  .mini-a, .mini-b { grid-column: auto; grid-row: auto; }
  .steps { grid-template-columns: 1fr 1fr; gap: 18px; }
  .steps::before { display: none; }
  .chip { border-radius: 24px; }
}
@media (max-width: 768px) {
  :root { --space: 56px; }
  .brand-row, .bento, .bento-main, .solution-card, .chip-row, .stat-grid, .entry-grid, .quote-wrap, .mosaic, .remind, .fields, .foot-grid, .closing-row, .scene-bar, .news-item {
    display: flex;
    flex-direction: column;
  }
  .quote:nth-child(2) { margin-top: 0; }
  .logo-word { font-size: 15px; }
  .fields { width: 100%; }
  .bento-cta { align-items: flex-start; }
  h1 { font-size: 36px; }
}
@media (max-width: 520px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .brand-links { gap: 10px; }
  .stat b { font-size: 32px; }
  .solution-card article { padding: 22px; }
}

/* roulang page: category2 */
:root {
 --persimmon: #C4622D;
 --plum: #3D2A4A;
 --paper: #F4EFE8;
 --ink: #241824;
 --muted: #5C534C;
 --celadon: #3E7C6F;
 --line: rgba(61,42,74,.14);
 --warm: #EBE3D8;
 --card: #FFFBF7;
 --shadow: 0 16px 40px rgba(61,42,74,.12);
 --radius: 24px;
 --btn: 12px;
 --space: 92px;
 --max: 72rem;
}
:root { --space: 72px; }
:root { --space: 56px; }
:root {
 --persimmon: #C4622D;
 --plum: #3D2A4A;
 --paper: #F4EFE8;
 --ink: #241824;
 --muted: #5C534C;
 --celadon: #3E7C6F;
 --line: rgba(61,42,74,.14);
 --warm: #EBE3D8;
 --card: #FFFBF7;
 --shadow: 0 16px 40px rgba(61,42,74,.12);
 --radius: 24px;
 --btn: 12px;
 --space: 92px;
 --max: 72rem;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 background: var(--paper);
 color: var(--ink);
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button, input { font-family: inherit; }
a { color: var(--plum); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--persimmon); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
 outline: 2px solid var(--persimmon);
 outline-offset: 3px;
}
h1, h2, h3, .logo-word {
 font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
 font-weight: 600;
 letter-spacing: 0;
 text-align: left;
 line-height: 1.35;
 color: var(--ink);
}
h1 { font-size: clamp(40px, 5vw, 56px); margin: 0 0 14px; }
h2 { font-size: clamp(28px, 3vw, 34px); margin: 0 0 12px; }
h3 { font-size: 20px; margin: 0 0 8px; }
p { margin: 0 0 12px; }
p:last-child { margin-bottom: 0; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.lead { max-width: 40rem; color: var(--muted); font-size: 17px; }
.kicker {
 margin: 0 0 10px;
 color: var(--persimmon);
 font-size: 13px;
 letter-spacing: .12em;
}
.site-header { background: var(--card); border-bottom: 1px solid var(--line); }
.brand-row {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 min-height: 74px;
}
.logo {
 display: flex;
 align-items: center;
 gap: 10px;
 color: var(--ink);
 text-decoration: none;
 min-width: 0;
}
.logo:hover { color: var(--persimmon); }
.logo-word { font-size: 18px; line-height: 1.25; }
.sprocket { width: 36px; height: 28px; flex: 0 0 auto; }
.brand-links { display: flex; gap: 18px; flex: 0 0 auto; }
.brand-links a { font-size: 14px; text-decoration: none; border-bottom: 1px solid transparent; color: var(--plum); }
.brand-links a:hover { border-bottom-color: var(--persimmon); color: var(--persimmon); }
.channel-row {
 position: sticky;
 top: 0;
 z-index: 30;
 background: rgba(255,251,247,.94);
 backdrop-filter: blur(10px);
 border-top: 1px solid var(--line);
}
.channel-scroll {
 display: flex;
 gap: 10px;
 overflow-x: auto;
 padding: 12px 0;
 scrollbar-width: none;
}
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-scroll a {
 flex: 0 0 auto;
 text-decoration: none;
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 7px 14px;
 color: var(--plum);
 background: transparent;
 font-size: 14px;
 transition: .2s ease;
}
.channel-scroll a:hover { background: #F6E2D2; color: var(--plum); }
.channel-scroll a.is-active, .channel-scroll a:active {
 background: var(--persimmon);
 border-color: var(--persimmon);
 color: #fff;
}
.band { padding: 56px 0; background: var(--paper); }
.band.alt { background: var(--warm); }
.mast { padding: 56px 0 28px; background: var(--paper); }
.mast-grid {
 display: grid;
 grid-template-columns: 7fr 5fr;
 gap: 28px;
 align-items: end;
 padding-bottom: 28px;
 border-bottom: 1px solid var(--line);
}
.seal {
 justify-self: end;
 width: min(100%, 280px);
 padding: 22px 22px 18px;
 border-radius: var(--radius);
 background: var(--card);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
}
.seal strong {
 display: block;
 font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
 font-size: 64px;
 line-height: .9;
 color: var(--persimmon);
}
.seal em { display: block; margin-top: 8px; font-style: normal; color: var(--muted); font-size: 14px; }
.pill {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 2px 10px;
 font-size: 12px;
 color: #fff;
 background: var(--celadon);
 margin-bottom: 10px;
}
.pill-amber { background: var(--persimmon); }
.feature-card {
 border-radius: var(--radius);
 overflow: hidden;
 background: linear-gradient(135deg, #3D2A4A 0%, #6B3A45 55%, #C4622D 100%);
 color: #F8F1E8;
 box-shadow: var(--shadow);
}
.feature-grid {
 display: grid;
 grid-template-columns: 7fr 5fr;
 gap: 22px;
 padding: 32px;
 align-items: center;
}
.feature-card h2, .feature-card h3, .cta-band h2 { color: #fff; }
.feature-card p { color: rgba(248,241,232,.88); }
.film-col { display: grid; gap: 12px; }
.film-swatch {
 height: 72px;
 border-radius: 16px;
 border: 1px solid rgba(255,255,255,.2);
 position: relative;
}
.film-swatch span {
 position: absolute;
 left: 14px;
 bottom: 10px;
 font-size: 13px;
 color: #fff;
}
.swatch-a { background: linear-gradient(90deg, #241824, #C4622D); }
.swatch-b { background: linear-gradient(90deg, #3D2A4A, #E7C8A4); }
.swatch-c { background: linear-gradient(90deg, #3E7C6F, #F4EFE8); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.meta-row span {
 border-radius: 999px;
 border: 1px solid rgba(255,255,255,.28);
 padding: 4px 12px;
 font-size: 13px;
 color: #F8F1E8;
}
.section-head { max-width: 40rem; margin-bottom: 22px; }
.sheet { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.sheet-row {
 display: grid;
 grid-template-columns: 120px 1fr auto;
 gap: 18px;
 align-items: center;
 padding: 22px 8px;
 text-decoration: none;
 color: var(--ink);
 border-bottom: 1px solid var(--line);
 transition: background .2s ease, color .2s ease, transform .2s ease;
}
.sheet-row:hover { background: rgba(196,98,45,.06); color: var(--persimmon); }
.sheet-row:nth-child(even) { background: rgba(255,251,247,.55); }
.date-block {
 font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
 font-size: 22px;
 color: var(--plum);
}
.sheet-row p { color: var(--muted); margin: 0; }
.scene-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 18px; }
.scene-lg, .scene-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 28px;
}
.scene-lg { min-height: 100%; background: #241824; color: #F8F1E8; }
.scene-lg h3, .scene-lg p { color: #F8F1E8; }
.scene-lg p { color: rgba(248,241,232,.8); }
.scene-side { display: grid; gap: 18px; }
.scene-card h3 { color: var(--ink); }
.scene-card p { color: var(--muted); }
.tone { height: 10px; border-radius: 999px; margin-bottom: 16px; }
.tone-a { background: linear-gradient(90deg, #3D2A4A, #C4622D); }
.tone-b { background: #C4622D; }
.tone-c { background: #3E7C6F; }
.tone-d { background: #6B3A45; }
.quote-wrap { display: grid; grid-template-columns: 7fr 5fr; }
.quote-card {
 grid-column: 1 / 2;
 background: var(--card);
 border-radius: var(--radius);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 padding: 36px 32px;
}
.quote-card q {
 display: block;
 font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
 font-size: clamp(22px, 3vw, 30px);
 line-height: 1.55;
 color: var(--ink);
 quotes: none;
}
.quote-card cite { display: block; margin-top: 18px; color: var(--muted); font-style: normal; font-size: 14px; }
.week-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.week-track {
 display: flex;
 gap: 12px;
 overflow-x: auto;
 padding-bottom: 6px;
 scrollbar-width: thin;
}
.day-node {
 flex: 1 0 148px;
 min-height: 148px;
 border-radius: 18px;
 border: 1px solid var(--line);
 background: var(--paper);
 padding: 16px;
}
.day-node:nth-child(odd) { background: #F8F1E8; }
.day-node b {
 display: block;
 color: var(--persimmon);
 font-size: 13px;
 margin-bottom: 8px;
}
.day-node strong { display: block; font-size: 18px; font-family: "Songti SC", "STSong", "Noto Serif SC", serif; }
.day-node span { display: block; color: var(--muted); font-size: 14px; margin-top: 6px; }
.cta-band {
 background: linear-gradient(135deg, #3D2A4A 0%, #6B3A45 52%, #C4622D 100%);
 padding: 56px 0;
}
.cta-inner {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 22px;
}
.cta-band p { color: rgba(248,241,232,.88); margin: 0; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--btn);
 border: 1px solid transparent;
 text-decoration: none;
 cursor: pointer;
 transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--persimmon); color: #fff; }
.btn-primary:hover, .btn-primary:active { background: var(--plum); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--plum); border-color: var(--plum); }
.btn-ghost:hover { background: #F6E2D2; color: var(--plum); }
.site-footer { background: #241824; color: #F4EFE8; padding: 56px 0 28px; }
.site-footer a { color: #F4EFE8; text-decoration: none; }
.site-footer a:hover { color: #F0C9A4; }
.site-footer h3 { color: #fff; font-size: 18px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.site-footer .logo { color: #F8F1E8; }
.copy {
 margin-top: 28px;
 padding-top: 18px;
 border-top: 1px solid rgba(255,255,255,.12);
 color: rgba(244,239,232,.72);
 font-size: 13px;
}
@media (max-width: 1024px) {
 .mast-grid, .feature-grid, .scene-grid, .quote-wrap { grid-template-columns: 1fr; }
 .seal, .quote-card { justify-self: stretch; width: 100%; grid-column: auto; }
 .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
 .band, .cta-band, .mast { padding: 56px 0; }
 .sheet-row { grid-template-columns: 88px 1fr; }
 .sheet-row .pill { grid-column: 2; justify-self: start; }
 .cta-inner, .brand-row { align-items: flex-start; }
 .cta-inner { flex-direction: column; }
 .foot-grid { grid-template-columns: 1fr; }
 .logo-word { font-size: 16px; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .brand-links { gap: 12px; }
 .date-block { font-size: 18px; }
 .seal strong { font-size: 52px; }
 h1 { font-size: 36px; }
}

/* roulang page: category1 */
:root {
 --persimmon: #C4622D;
 --plum: #3D2A4A;
 --paper: #F4EFE8;
 --ink: #241824;
 --muted: #5C534C;
 --celadon: #3E7C6F;
 --line: rgba(61,42,74,.14);
 --warm: #EBE3D8;
 --card: #FFFBF7;
 --shadow: 0 16px 40px rgba(61,42,74,.12);
 --radius: 24px;
 --btn: 12px;
 --space: 92px;
 --max: 72rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--paper);
 color: var(--ink);
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button, input { font-family: inherit; }
a { color: var(--plum); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--persimmon); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
 outline: 2px solid var(--persimmon);
 outline-offset: 3px;
}
h1, h2, h3, .logo-word {
 font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
 font-weight: 600;
 letter-spacing: 0;
 text-align: left;
 line-height: 1.35;
 margin: 0;
}
h1 { font-size: clamp(36px, 5vw, 52px); }
h2 { font-size: clamp(28px, 3vw, 34px); margin-bottom: 12px; }
h3 { font-size: 20px; }
p { margin: 0 0 12px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.lead { max-width: 42rem; color: var(--muted); font-size: 17px; margin: 14px 0 0; }
.site-header { background: var(--card); border-bottom: 1px solid var(--line); }
.brand-row {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 min-height: 74px;
}
.logo {
 display: flex;
 align-items: center;
 gap: 10px;
 color: var(--ink);
 text-decoration: none;
 min-width: 0;
}
.logo:hover { color: var(--persimmon); }
.logo-word { font-size: 18px; line-height: 1.25; }
.sprocket { width: 36px; height: 28px; flex: 0 0 auto; color: var(--persimmon); }
.brand-links { display: flex; gap: 18px; flex: 0 0 auto; }
.brand-links a { font-size: 14px; text-decoration: none; border-bottom: 1px solid transparent; }
.brand-links a:hover { border-bottom-color: var(--persimmon); color: var(--persimmon); }
.channel-row {
 position: sticky;
 top: 0;
 z-index: 30;
 background: rgba(255,251,247,.94);
 backdrop-filter: blur(10px);
 border-top: 1px solid var(--line);
}
.channel-scroll {
 display: flex;
 gap: 10px;
 overflow-x: auto;
 padding: 12px 0 14px;
 scrollbar-width: none;
}
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-scroll a {
 flex: 0 0 auto;
 text-decoration: none;
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 7px 14px;
 color: var(--plum);
 background: transparent;
 font-size: 14px;
 transition: .2s ease;
}
.channel-scroll a:hover { background: #F6E2D2; color: var(--plum); }
.channel-scroll a.is-active, .channel-scroll a:active {
 background: var(--persimmon);
 border-color: var(--persimmon);
 color: #fff;
}
main section { padding: var(--space) 0; }
.sec-paper { background: var(--paper); }
.sec-warm { background: var(--warm); }
.sec-card { background: #FBF7F2; }
.crumb {
 display: flex;
 flex-wrap: wrap;
 gap: 8px;
 align-items: center;
 color: var(--muted);
 font-size: 14px;
 margin-bottom: 18px;
}
.crumb a { text-decoration: none; }
.cat-head {
 display: grid;
 grid-template-columns: 7fr 5fr;
 gap: 28px;
 align-items: stretch;
}
.film-panel {
 border-radius: var(--radius);
 background: var(--card);
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
 padding: 18px;
 display: grid;
 gap: 12px;
}
.film-frame {
 min-height: 210px;
 border-radius: 18px;
 background:
 linear-gradient(135deg, rgba(36,24,36,.18), rgba(196,98,45,.05)),
 repeating-linear-gradient(90deg, #3D2A4A 0 14px, #C4622D 14px 22px, #6B3A45 22px 36px, #E7C8A4 36px 44px);
 position: relative;
 overflow: hidden;
}
.film-frame::before, .film-frame::after {
 content: "";
 position: absolute;
 left: 0;
 right: 0;
 height: 16px;
 background: repeating-linear-gradient(90deg, #241824 0 10px, transparent 10px 18px);
}
.film-frame::before { top: 8px; }
.film-frame::after { bottom: 8px; }
.film-caption {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 color: var(--muted);
 font-size: 14px;
}
.filter-groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.filter-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 18px;
}
.filter-card strong { display: block; margin-bottom: 12px; font-size: 16px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tag {
 border: 1px solid var(--line);
 background: transparent;
 color: var(--plum);
 border-radius: 999px;
 min-height: 36px;
 padding: 0 12px;
 cursor: pointer;
 transition: .2s ease;
}
.filter-tag:hover { background: #F6E2D2; }
.filter-tag.is-on, .filter-tag:active {
 background: var(--persimmon);
 border-color: var(--persimmon);
 color: #fff;
}
.alt-list { display: flex; flex-direction: column; gap: 16px; margin-top: 22px; }
.alt-row {
 display: grid;
 grid-template-columns: 200px 1fr;
 gap: 18px;
 align-items: stretch;
 text-decoration: none;
 color: var(--ink);
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
 transition: transform .2s ease, box-shadow .2s ease;
}
.alt-row.is-flip { grid-template-columns: 1fr 200px; }
.alt-row.is-flip .swatch { order: 2; }
.alt-row:hover { transform: translateY(-2px); color: var(--ink); box-shadow: 0 18px 42px rgba(61,42,74,.16); }
.alt-row[hidden] { display: none !important; }
.swatch { min-height: 168px; position: relative; }
.swatch svg { position: absolute; left: 16px; bottom: 16px; width: 42px; height: 32px; color: rgba(255,251,247,.88); }
.swatch-a { background: linear-gradient(160deg, #3D2A4A, #C4622D); }
.swatch-b { background: linear-gradient(160deg, #6B3A45, #E7C8A4); }
.swatch-c { background: linear-gradient(160deg, #3E7C6F, #3D2A4A); }
.swatch-d { background: linear-gradient(160deg, #C4622D, #241824); }
.alt-copy { padding: 20px 20px 16px 0; }
.alt-row.is-flip .alt-copy { padding: 20px 0 16px 20px; }
.alt-copy p { color: var(--muted); margin: 8px 0; }
.alt-copy time { color: var(--muted); font-size: 13px; }
.pill {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 2px 10px;
 font-size: 12px;
 color: #fff;
 background: var(--celadon);
}
.pill-amber { background: var(--persimmon); }
.more-wrap { margin-top: 18px; }
.more-link {
 display: inline-flex;
 align-items: center;
 min-height: 44px;
 text-decoration: none;
 border-bottom: 1px solid var(--plum);
}
.more-link:hover { color: var(--persimmon); border-bottom-color: var(--persimmon); }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.stat-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.stat-card b {
 display: block;
 font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
 font-size: 48px;
 line-height: 1;
 margin: 10px 0;
}
.stat-card span { color: var(--muted); font-size: 14px; }
.step-stack { display: flex; flex-direction: column; gap: 14px; margin-top: 22px; max-width: 860px; }
.step-card {
 display: grid;
 grid-template-columns: 88px 1fr;
 gap: 8px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 20px 22px;
}
.step-no {
 font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
 font-size: 28px;
 color: var(--persimmon);
}
.step-card p { color: var(--muted); margin: 6px 0 0; }
.rel-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 18px; margin-top: 22px; }
.rel-main, .rel-side { display: flex; flex-direction: column; gap: 14px; }
.rel-card, .side-link {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 text-decoration: none;
 color: var(--ink);
 transition: transform .2s ease, color .2s ease;
}
.rel-card { padding: 22px; }
.rel-card:hover, .side-link:hover { transform: translateY(-2px); color: var(--persimmon); }
.rel-card p, .side-link small { color: var(--muted); }
.side-link {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
 padding: 16px 18px;
 border-radius: 18px;
}
.faq { margin-top: 8px; }
.faq details { border-top: 1px solid var(--line); padding: 4px 0; }
.faq summary {
 cursor: pointer;
 list-style: none;
 font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
 font-size: 20px;
 padding: 14px 0;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; float: right; color: var(--persimmon); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 0 0 14px; }
.cta-band {
 background: linear-gradient(135deg, #3D2A4A 0%, #6B3A45 52%, #C4622D 100%);
 color: #F8F1E8;
}
.cta-band h2, .cta-band p { color: #F8F1E8; }
.cta-inner {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 18px;
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--btn);
 border: 1px solid transparent;
 text-decoration: none;
 cursor: pointer;
 transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--persimmon); color: #fff; }
.btn-primary:hover, .btn-primary:active { background: var(--plum); color: #fff; transform: translateY(-1px); }
.site-footer { background: #241824; color: #F4EFE8; padding: 56px 0 28px; }
.site-footer .logo, .site-footer a { color: #F4EFE8; text-decoration: none; }
.site-footer .sprocket { color: #E7C8A4; }
.site-footer a:hover { color: #F0C9A4; }
.site-footer h3 { color: #fff; font-size: 18px; margin: 0 0 12px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.site-footer p { color: rgba(244,239,232,.78); }
.copy {
 margin-top: 28px;
 padding-top: 16px;
 border-top: 1px solid rgba(255,255,255,.12);
 color: rgba(244,239,232,.72);
 font-size: 13px;
}
@media (max-width: 1024px) {
 .cat-head, .rel-grid { grid-template-columns: 1fr; }
 .alt-row.is-flip .alt-copy { padding-right: 20px; }
}
@media (max-width: 768px) {
 :root { --space: 56px; }
 .filter-groups, .stat-grid, .foot-grid { grid-template-columns: 1fr; }
 .alt-row, .alt-row.is-flip { grid-template-columns: 1fr; }
 .alt-row.is-flip .swatch { order: 0; }
 .alt-copy, .alt-row.is-flip .alt-copy { padding: 16px 18px 18px; }
 .step-card { grid-template-columns: 64px 1fr; }
 .cta-inner { flex-direction: column; align-items: flex-start; }
 .logo-word { font-size: 15px; }
}
@media (max-width: 520px) {
 .brand-row { min-height: 64px; }
 .brand-links { gap: 10px; }
 .stat-card b { font-size: 40px; }
}