/* roulang page: index */
:root {
  --bg: #E6E1D4;
  --paper: #F4F0E6;
  --panel: #1B221E;
  --ink: #243028;
  --muted: #5E6A62;
  --line: #C9C2B2;
  --copper: #C4622D;
  --copper-deep: #9A4A1E;
  --green: #6E8F52;
  --tag: #E4B08A;
  --warm: #EFEADF;
  --radius: 2px;
  --shadow: 0 8px 0 rgba(27, 34, 30, .04);
  --max: 1120px;
  --header: 64px;
  --pad: 76px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16.5px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.35; letter-spacing: 0; }
h1 { font-size: 38px; }
h2 { font-size: 25px; }
h3 { font-size: 18px; }
::selection { background: #E4B08A; color: #1B221E; }
:focus { outline: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.tick { width: 42px; height: 2px; background: var(--copper); margin: 14px 0 18px; }
.lead { color: var(--muted); max-width: 68ch; margin-bottom: 28px; }
.num { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-variant-numeric: tabular-nums; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: var(--panel);
  color: var(--bg);
  border-bottom: 1px solid rgba(201, 194, 178, .28);
}
.header-bar {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--bg); }
.mark {
  width: 22px;
  height: 22px;
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
}
.brand-name { font-size: 15px; font-weight: 600; letter-spacing: .01em; white-space: nowrap; }
.nav-main { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-main a { font-size: 14px; color: var(--bg); padding: 6px 0; border-bottom: 1px solid transparent; }
.nav-main a:hover, .nav-main a:active { color: var(--tag); border-bottom-color: var(--copper); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.menu-btn {
  display: none;
  margin-left: auto;
  height: 40px;
  padding: 0 14px;
  background: transparent;
  color: var(--bg);
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
}
.menu-btn:hover { border-color: var(--copper-deep); transform: translateY(-1px); }
.drawer {
  display: none;
  background: var(--panel);
  border-top: 1px solid rgba(201, 194, 178, .28);
  padding: 8px 0 18px;
}
.drawer a, .drawer .btn { display: block; margin: 8px 20px; }
.drawer .nav-link { color: var(--bg); padding: 10px 0; border-bottom: 1px solid rgba(201, 194, 178, .25); font-size: 15px; }
.btn {
  height: 40px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  text-decoration: none;
}
.btn-solid { background: var(--copper); color: var(--panel); border-color: var(--copper); }
.btn-line { background: transparent; color: var(--copper); border-color: var(--copper); }
.site-header .btn-line { color: var(--tag); }
.btn:hover { border-color: var(--copper-deep); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn.is-disabled { opacity: .45; cursor: not-allowed; transform: none; }
.section { padding: var(--pad) 0; }
.section-warm { background: var(--warm); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--panel); color: var(--bg); }
.section-dark .lead, .section-dark .muted { color: #C9C2B2; }
.hero { padding: 72px 0 64px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr); gap: 48px; align-items: end; }
.hero h1 { max-width: 16em; }
.sub { font-size: 17px; color: var(--ink); margin: 0 0 8px; }
.hero-copy p { color: var(--muted); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.status-panel {
  background: var(--panel);
  color: var(--bg);
  border: 1px solid #2A332E;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 22px 18px;
}
.status-panel h2 { font-size: 16px; font-weight: 600; margin-bottom: 14px; color: var(--bg); }
.status-row {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 11px 0;
  border-top: 1px solid rgba(201, 194, 178, .28);
  font-size: 15px;
}
.status-row strong { font-weight: 600; color: var(--tag); font-size: 18px; }
.ruler { display: flex; gap: 6px; margin-top: 16px; }
.ruler i { display: block; flex: 1; height: 8px; background: transparent; border-bottom: 2px solid rgba(201, 194, 178, .45); position: relative; }
.ruler i::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 1px; height: 8px; background: var(--copper); }
.ruler i.on { border-bottom-color: var(--copper); }
.ruler-label { margin: 8px 0 0; font-size: 12px; letter-spacing: .08em; color: #C9C2B2; }
.pain-list { border-top: 1px solid var(--line); }
.pain-row {
  display: grid;
  grid-template-columns: 92px 1fr 1fr;
  gap: 22px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.pain-row:hover { background: rgba(228, 176, 138, .28); }
.pain-k { font-size: 14px; font-weight: 600; color: var(--copper-deep); padding-top: 2px; }
.pain-row p { margin: 0; }
.pain-a { color: var(--ink); }
.pain-q { color: var(--muted); }
.panel {
  background: var(--panel);
  color: var(--bg);
  border-radius: var(--radius);
  border: 1px solid #2C352F;
  box-shadow: var(--shadow);
  padding: 8px 8px 4px;
}
.zone-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.zone { padding: 22px 22px 26px; border-right: 1px solid rgba(201, 194, 178, .28); }
.zone:last-child { border-right: 0; }
.zone h3 { margin: 8px 0 10px; color: var(--bg); }
.zone p { margin: 0; color: #D9D3C6; }
.zone .tag {
  display: inline-block;
  background: var(--tag);
  color: var(--panel);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius);
}
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.step { padding: 22px 18px 22px 0; border-right: 1px solid var(--line); min-height: 180px; }
.step:last-child { border-right: 0; padding-right: 0; }
.step-no {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--copper);
  color: var(--panel);
  font-weight: 600;
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.step.is-now .step-no { box-shadow: inset 0 0 0 2px var(--panel); position: relative; }
.step.is-now .step-no::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  position: absolute;
  top: -4px;
  right: -4px;
  border: 1px solid var(--bg);
}
.step h3 { margin-bottom: 8px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }
.split { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .7fr); gap: 36px; align-items: start; }
.param {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius);
}
.param div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.param div:last-child { border-bottom: 0; }
.param span { color: var(--muted); }
.param b { font-weight: 600; }
.wide-card {
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-top: 14px;
}
.wide-card:hover { background: rgba(228, 176, 138, .35); }
.wide-card h3 { margin-bottom: 6px; }
.wide-card p { margin: 0; color: var(--muted); }
.card-meta { display: flex; gap: 16px; font-size: 14px; margin-bottom: 8px; color: var(--copper-deep); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(201, 194, 178, .3); }
.metric { padding: 22px 18px 8px 0; border-right: 1px solid rgba(201, 194, 178, .3); }
.metric:last-child { border-right: 0; }
.metric .num { display: block; font-size: 40px; color: var(--copper); line-height: 1; font-weight: 600; }
.metric em { display: block; margin-top: 10px; font-style: normal; color: #C9C2B2; font-size: 14px; }
.metric small { display: block; color: var(--bg); margin-top: 6px; }
.quote-list { display: grid; gap: 18px; }
.quote {
  margin: 0;
  padding: 8px 0 8px 18px;
  border-left: 2px solid var(--copper);
}
.quote p { font-size: 17px; margin-bottom: .6em; }
.quote footer { color: var(--muted); font-size: 14px; }
.deflist { margin: 0; border-top: 1px solid var(--line); }
.deflist div { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.deflist dt { font-weight: 600; }
.deflist dd { margin: 0; color: var(--muted); }
.entry-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 12px;
  border-bottom: 1px solid var(--line);
}
.entry-row:hover { background: rgba(228, 176, 138, .35); }
.entry-k { font-weight: 600; }
.entry-row p { margin: 0; color: var(--muted); }
.text-link { color: var(--copper-deep); font-weight: 600; border-bottom: 1px solid var(--copper); padding-bottom: 1px; }
.text-link:hover { color: var(--copper); }
.timeline { margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--line); }
.t-item { position: relative; padding: 0 0 26px 22px; }
.t-item::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
  position: absolute;
  left: -4px;
  top: 8px;
}
.t-item.is-live::before { background: var(--green); }
.t-date { font-size: 13px; color: var(--muted); font-family: ui-monospace, Menlo, Consolas, monospace; }
.t-item h3 { font-size: 17px; margin: 2px 0 6px; }
.t-item h3 a:hover { color: var(--copper-deep); }
.t-item p { margin: 0; color: var(--muted); }
.explain { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 40px; }
.explain article { border-top: 1px solid var(--line); padding-top: 16px; }
.explain h3 { margin-bottom: 8px; }
.explain p { margin: 0; color: var(--muted); }
.explain .num { color: var(--copper-deep); font-weight: 600; }
.compare { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.compare article { padding: 22px 24px 26px; }
.compare article + article { border-left: 1px solid var(--line); }
.compare h3 { margin: 10px 0; }
.compare p { margin: 0; color: var(--muted); }
.fit { display: inline-block; background: var(--tag); color: var(--panel); font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: var(--radius); }
.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--paper); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); font-weight: 400; vertical-align: middle; }
th { background: var(--panel); color: var(--bg); font-weight: 600; font-size: 14px; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(228, 176, 138, .32); }
.badge { display: inline-flex; align-items: center; gap: 6px; background: var(--tag); color: var(--panel); border-radius: var(--radius); padding: 2px 8px; font-size: 13px; font-weight: 600; }
.mobile-defs { display: none; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-weight: 600;
  font-size: 17px;
  padding: 16px 28px 16px 0;
  cursor: pointer;
  position: relative;
  line-height: 1.6;
}
.faq-q::after { content: "+"; position: absolute; right: 0; top: 16px; color: var(--copper); font-weight: 600; }
.faq-item.is-open .faq-q::after { content: "–"; }
.faq-a { display: none; padding: 0 0 16px; color: var(--muted); max-width: 70ch; }
.faq-item.is-open .faq-a { display: block; }
.cta-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 36px; align-items: start; }
.form {
  background: var(--bg);
  color: var(--ink);
  border: 1px solid rgba(201, 194, 178, .45);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.field input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
}
.field input:focus { border-color: var(--copper); outline: 2px solid var(--copper); outline-offset: 0; }
.form-msg { min-height: 1.6em; font-size: 14px; margin: 8px 0 0; }
.form-msg.err { color: var(--copper-deep); }
.form-msg.ok { color: var(--ink); }
.site-footer { background: var(--panel); color: var(--bg); padding: 36px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 20px; align-items: start; }
.foot-nav { display: flex; flex-direction: column; gap: 8px; }
.foot-nav a { color: #E6E1D4; font-size: 14px; }
.foot-nav a:hover { color: var(--tag); }
.copyright { margin: 0; color: #C9C2B2; font-size: 14px; text-align: right; }
.fine { margin: 18px 0 0; color: #C9C2B2; font-size: 13px; }
@media (max-width: 960px) {
  .hero-grid, .split, .explain, .compare, .cta-grid, .zone-grid, .foot-grid { grid-template-columns: 1fr; }
  .zone { border-right: 0; border-bottom: 1px solid rgba(201, 194, 178, .28); }
  .compare article + article { border-left: 0; border-top: 1px solid var(--line); }
  .steps, .metrics { grid-template-columns: 1fr 1fr; }
  .step, .metric { border-right: 0; border-bottom: 1px solid var(--line); }
  .section-dark .metric { border-bottom-color: rgba(201, 194, 178, .3); }
  .pain-row, .deflist div, .entry-row { grid-template-columns: 1fr; gap: 6px; }
  .copyright { text-align: left; }
}
@media (max-width: 719px) {
  .nav-main, .nav-actions { display: none; }
  .menu-btn { display: inline-flex; align-items: center; }
  .drawer.is-open { display: block; }
  .site-header { height: auto; }
  .header-bar { height: 64px; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .steps, .metrics { grid-template-columns: 1fr; }
  .table-wrap { display: none; }
  .mobile-defs { display: block; border-top: 1px solid var(--line); }
  .mobile-defs div { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .mobile-defs dt { font-weight: 600; }
  .mobile-defs dd { margin: 4px 0 0; color: var(--muted); }
  h1 { font-size: 32px; }
  .section, .hero { padding: 56px 0; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 32px); }
  h1 { font-size: 30px; }
  h2 { font-size: 22px; }
  .status-row { grid-template-columns: 72px 1fr auto; }
  .brand-name { font-size: 13px; }
  .metric .num { font-size: 34px; }
}

/* roulang page: category2 */
:root {
  --bg: #E6E1D4;
  --paper: #F4F0E6;
  --panel: #1B221E;
  --ink: #243028;
  --muted: #5E6A62;
  --line: #C9C2B2;
  --copper: #C4622D;
  --copper-deep: #9A4A1E;
  --green: #6E8F52;
  --tag: #E4B08A;
  --warm: #EFEADF;
  --radius: 2px;
  --shadow: 0 8px 0 rgba(27, 34, 30, .04);
  --max: 1120px;
  --header: 64px;
  --pad: 76px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16.5px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3 { font-weight: 600; line-height: 1.35; margin: 0; }
h2 { font-size: 25px; margin-bottom: 12px; }
h3 { font-size: 18px; }
ul { margin: 0; padding: 0; list-style: none; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.lead { color: var(--muted); max-width: 68ch; margin: 0 0 22px; }
.h-rule { width: 36px; height: 2px; background: var(--copper); margin: 0 0 20px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--panel);
  color: var(--bg);
  border-bottom: 1px solid rgba(201, 194, 178, .28);
}
.header-bar {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--bg); }
.brand-name { font-size: 15px; font-weight: 600; letter-spacing: .01em; white-space: nowrap; }
.mark {
  width: 22px;
  height: 22px;
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  background: transparent;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); display: block; }
.nav-main { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-main a {
  font-size: 14px;
  color: var(--bg);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}
.nav-main a:hover, .nav-main a:active { color: var(--tag); border-bottom-color: var(--copper); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.menu-btn {
  display: none;
  margin-left: auto;
  height: 40px;
  padding: 0 14px;
  background: transparent;
  color: var(--bg);
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
}
.menu-btn:hover { border-color: var(--copper-deep); transform: translateY(-1px); }
.menu-btn:active { transform: translateY(0); }
.drawer {
  display: none;
  background: var(--panel);
  border-top: 1px solid rgba(201, 194, 178, .28);
  padding: 8px 0 18px;
}
.drawer a, .drawer .btn { display: block; margin: 8px 20px; }
.drawer .nav-link {
  color: var(--bg);
  padding: 10px 0;
  border-bottom: 1px solid rgba(201, 194, 178, .25);
  font-size: 15px;
}
.drawer .nav-link:hover { color: var(--tag); }
.btn {
  height: 40px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  text-decoration: none;
  line-height: 1;
}
.btn-solid { background: var(--copper); color: var(--panel); border-color: var(--copper); }
.btn-line { background: transparent; color: var(--copper); border-color: var(--copper); }
.site-header .btn-line, .section-dark .btn-line { color: var(--tag); }
.btn:hover { border-color: var(--copper-deep); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn.is-disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.section { padding: var(--pad) 0; }
.section-tight { padding: 32px 0 8px; }
.section-more { padding: 28px 0; background: var(--warm); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-warm { background: var(--warm); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--panel); color: var(--bg); }
.section-dark .lead, .section-dark .muted { color: #C9C2B2; }
.cat-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding: 8px 0 16px;
  border-bottom: 1px solid var(--line);
}
.cat-head h1 { font-size: 36px; font-weight: 600; letter-spacing: .01em; }
.result-count { margin: 0; display: flex; align-items: baseline; gap: 6px; }
.num {
  font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
  font-size: 32px;
  font-weight: 600;
  color: var(--copper);
  line-height: 1;
}
.unit { color: var(--muted); font-size: 14px; }
.switch {
  display: flex;
  gap: 10px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.switch button {
  height: 36px;
  padding: 0 16px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.switch button:hover { border-color: var(--copper); transform: translateY(-1px); }
.switch button:active { transform: translateY(0); }
.switch button.is-on {
  border-color: var(--copper);
  background: var(--tag);
  color: var(--panel);
}
.dir-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.dir-grid[data-show="jp"] .dir-card[data-batch="kr"] { display: none; }
.dir-grid[data-show="kr"] .dir-card[data-batch="jp"] { display: none; }
.dir-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 14px 16px 16px;
  transition: background .15s ease, border-color .15s ease;
}
.dir-card:hover { background: rgba(228, 176, 138, .35); border-color: var(--copper); }
.dir-card h3 { margin-bottom: 6px; font-size: 18px; }
.batch { margin: 0 0 6px; color: var(--copper-deep); font-size: 14px; font-weight: 600; }
.sum { margin: 0; color: var(--muted); }
.more-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.more-row p { margin: 0; color: var(--ink); }
.text-link {
  color: var(--copper-deep);
  font-weight: 600;
  border-bottom: 1px solid var(--copper);
  padding-bottom: 1px;
  white-space: nowrap;
}
.text-link:hover { color: var(--copper); }
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  background: var(--bg);
  box-shadow: var(--shadow);
}
.compare article { padding: 22px 24px 8px; }
.compare article + article { border-left: 1px solid var(--line); }
.compare h3 { margin-bottom: 8px; }
.compare .intro { color: var(--muted); margin-bottom: 8px; }
.param li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.param span { font-weight: 600; }
.param b { font-weight: 500; }
.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  margin-right: 6px;
  vertical-align: 1px;
}
.timeline { border-left: 1px solid var(--line); margin-left: 4px; }
.t-item { position: relative; padding: 0 0 28px 22px; }
.t-item:last-child { padding-bottom: 0; }
.t-item::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
  position: absolute;
  left: -4px;
  top: 8px;
}
.t-item.is-live::before { background: var(--green); }
.t-item h3 { font-size: 17px; margin: 0 0 6px; }
.t-item h3 a:hover { color: var(--copper-deep); }
.t-item p { margin: 0; color: var(--muted); }
.deflist { margin: 0; border-top: 1px solid var(--line); }
.deflist div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.deflist div:hover { background: rgba(228, 176, 138, .28); }
.deflist dt { font-weight: 600; }
.deflist dd { margin: 0; color: var(--muted); }
.cta-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: start;
}
.form-panel {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 20px 8px;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: 14px; }
.field input, .field select {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  height: 40px;
  padding: 0 12px;
  color: var(--ink);
  width: 100%;
}
.field input:hover, .field select:hover { border-color: var(--copper); }
.field input:focus, .field select:focus { border-color: var(--copper); }
.form-error { color: var(--copper-deep); font-size: 14px; margin: 0 0 10px; font-weight: 600; }
.form-ok { color: var(--green); font-size: 14px; margin: 0 0 10px; font-weight: 600; }
.form-panel .btn { width: 100%; margin-bottom: 12px; }
.site-footer {
  background: var(--panel);
  color: var(--bg);
  padding: 36px 0 28px;
  border-top: 1px solid rgba(201, 194, 178, .28);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr auto auto;
  gap: 24px;
  align-items: center;
}
.foot-nav { display: flex; gap: 22px; }
.foot-nav a { color: var(--bg); padding: 4px 0; border-bottom: 1px solid transparent; font-size: 14px; }
.foot-nav a:hover, .foot-nav a:active { color: var(--tag); border-bottom-color: var(--copper); }
.copyright { margin: 0; font-size: 14px; color: var(--bg); text-align: right; }
.fine { margin: 14px 0 0; color: #C9C2B2; font-size: 14px; }
@media (max-width: 960px) {
  .header-bar { gap: 14px; }
  .nav-main { gap: 14px; }
  .brand-name { font-size: 13px; }
  .dir-grid, .compare, .cta-grid, .deflist div { grid-template-columns: 1fr; }
  .compare article + article { border-left: 0; border-top: 1px solid var(--line); }
  .cat-head h1 { font-size: 32px; }
  .section { padding: 64px 0; }
}
@media (max-width: 720px) {
  .nav-main, .nav-actions { display: none; }
  .menu-btn { display: inline-flex; align-items: center; }
  .drawer.is-open { display: block; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }
  .foot-grid { grid-template-columns: 1fr; gap: 14px; }
  .copyright { text-align: left; }
  .more-row { flex-direction: column; align-items: flex-start; }
  .switch { flex-wrap: wrap; }
}
@media (min-width: 721px) {
  .drawer { display: none !important; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 28px); }
  .cat-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cat-head h1 { font-size: 30px; }
  .brand-name { white-space: normal; line-height: 1.35; }
  .section-tight { padding-top: 22px; }
  .param li { grid-template-columns: 72px 1fr; }
}

/* roulang page: category1 */
:root {
  --bg: #E6E1D4;
  --paper: #F4F0E6;
  --panel: #1B221E;
  --ink: #243028;
  --muted: #5E6A62;
  --line: #C9C2B2;
  --copper: #C4622D;
  --copper-deep: #9A4A1E;
  --green: #6E8F52;
  --tag: #E4B08A;
  --warm: #EFEADF;
  --radius: 2px;
  --shadow: 0 8px 0 rgba(27, 34, 30, .04);
  --max: 1120px;
  --header: 64px;
  --pad: 76px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16.5px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
h1 { font-size: 36px; font-weight: 600; line-height: 1.3; margin: 0; letter-spacing: 0; }
h2 { font-size: 25px; font-weight: 600; line-height: 1.35; margin: 0 0 18px; }
h3 { font-size: 18px; font-weight: 600; line-height: 1.45; margin: 0 0 6px; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: var(--panel);
  color: var(--bg);
  border-bottom: 1px solid rgba(201, 194, 178, .28);
}
.header-bar {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--bg); }
.brand-name { font-size: 15px; font-weight: 600; letter-spacing: .01em; white-space: nowrap; }
.mark {
  width: 22px;
  height: 22px;
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  display: block;
}
.nav-main { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-main a { font-size: 14px; color: var(--bg); padding: 6px 0; border-bottom: 1px solid transparent; }
.nav-main a:hover, .nav-main a:active { color: var(--tag); border-bottom-color: var(--copper); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.menu-btn {
  display: none;
  margin-left: auto;
  height: 40px;
  padding: 0 14px;
  background: transparent;
  color: var(--bg);
  border: 1px solid var(--copper);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
}
.menu-btn:hover { border-color: var(--copper-deep); transform: translateY(-1px); }
.drawer {
  display: none;
  background: var(--panel);
  border-top: 1px solid rgba(201, 194, 178, .28);
  padding: 8px 0 18px;
}
.drawer.is-open { display: block; }
.drawer a, .drawer .btn { display: block; margin: 8px 20px; }
.drawer .nav-link { color: var(--bg); padding: 10px 0; border-bottom: 1px solid rgba(201, 194, 178, .25); font-size: 15px; }
.btn {
  height: 40px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  text-decoration: none;
}
.btn-solid { background: var(--copper); color: var(--panel); border-color: var(--copper); }
.btn-line { background: transparent; color: var(--copper); border-color: var(--copper); }
.site-header .btn-line, .drawer .btn-line { color: var(--tag); }
.btn:hover { border-color: var(--copper-deep); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn.is-disabled { opacity: .45; cursor: not-allowed; transform: none; }
.section { padding: var(--pad) 0; }
.section-warm { background: var(--warm); }
.section-paper { background: var(--paper); }
.section-dark { background: var(--panel); color: var(--bg); }
.section-dark .muted { color: #C9C2B2; }
.cat-head { padding: 28px 0 18px; }
.tick { width: 72px; height: 2px; background: var(--copper); margin: 12px 0 10px; }
.summary { margin: 0; color: var(--muted); font-size: 15px; }
.summary strong {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color: var(--copper);
  font-weight: 600;
  font-size: 18px;
}
.filter-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.field label, .form-grid label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
select, input[type="text"] {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  color: var(--ink);
  background-color: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
select {
  appearance: none;
  padding-right: 32px;
  background-image: linear-gradient(45deg, transparent 50%, var(--copper) 50%), linear-gradient(135deg, var(--copper) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 1px), calc(100% - 12px) calc(50% - 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
select.is-selected, select:focus, input:focus {
  border-color: var(--copper);
}
.dir-list { border-top: 1px solid var(--line); }
.dir-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 24px;
  align-items: center;
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
}
.dir-row:hover { background: rgba(228, 176, 138, .35); }
.dir-title { margin: 0; font-size: 17px; font-weight: 600; }
.dir-sum { margin: 0; color: var(--muted); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--tag);
  color: var(--panel);
  border-radius: var(--radius);
  padding: 2px 8px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}
.empty-note {
  margin: 0;
  padding: 18px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.more-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.more-row span { color: var(--muted); }
.section-more { padding: 28px 0; }
.text-link {
  color: var(--copper-deep);
  font-weight: 600;
  border-bottom: 1px solid var(--copper);
  padding-bottom: 1px;
}
.text-link:hover { color: var(--copper); }
.rail { margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--line); }
.t-item { position: relative; padding: 0 0 26px 22px; }
.t-item:last-child { padding-bottom: 0; }
.t-item::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
  position: absolute;
  left: -4px;
  top: 8px;
}
.t-item.is-live::before { background: var(--green); }
.t-item h3 { font-size: 17px; margin: 2px 0 6px; }
.t-item p { margin: 0; color: var(--muted); }
.kicker {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color: var(--copper-deep);
  font-size: 13px;
}
.article-list { border-top: 1px solid var(--line); }
.article-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.article-row time {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color: var(--copper-deep);
  font-size: 14px;
  padding-top: 2px;
}
.article-row h3 { margin: 0 0 4px; font-size: 18px; }
.article-row h3 a:hover { color: var(--copper-deep); }
.article-row p { margin: 0; color: var(--muted); }
.deflist { margin: 0; border-top: 1px solid var(--line); }
.deflist div {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.deflist dt { font-weight: 600; }
.deflist dd { margin: 0; color: var(--muted); }
.cta-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 42px;
  align-items: start;
}
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.form-grid { display: grid; gap: 14px; }
.field-error { min-height: 1.4em; margin: 4px 0 0; color: var(--copper-deep); font-size: 14px; }
.form-note { min-height: 1.6em; color: var(--ink); font-weight: 600; }
.site-footer {
  background: var(--panel);
  color: var(--bg);
  padding: 36px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr auto;
  gap: 18px;
  align-items: center;
}
.foot-nav { display: flex; gap: 22px; }
.foot-nav a { color: var(--bg); font-size: 14px; padding: 4px 0; border-bottom: 1px solid transparent; }
.foot-nav a:hover { color: var(--tag); border-bottom-color: var(--copper); }
.copyright { margin: 0; text-align: right; font-size: 14px; color: var(--bg); }
.fine { margin: 14px 0 0; color: #C9C2B2; font-size: 13px; }
@media (max-width: 1024px) {
  :root { --pad: 64px; }
  h1 { font-size: 34px; }
  .cta-layout { gap: 28px; }
}
@media (max-width: 960px) {
  .filter-bar, .cta-layout, .deflist div, .article-row { grid-template-columns: 1fr; }
  .deflist div { gap: 4px; }
  .article-row time { padding-top: 0; }
}
@media (max-width: 720px) {
  .nav-main, .nav-actions { display: none; }
  .menu-btn { display: inline-flex; }
  .brand-name { font-size: 13px; }
  .header-bar { gap: 12px; }
  .dir-row { grid-template-columns: 1fr; align-items: start; }
  .foot-grid { grid-template-columns: 1fr; align-items: start; }
  .copyright { text-align: left; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }
  h1 { font-size: 30px; }
  h2 { font-size: 22px; }
}
@media (min-width: 721px) {
  .drawer { display: none !important; }
}
@media (max-width: 520px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .section { padding: 52px 0; }
  .cat-head { padding: 22px 0 12px; }
  .more-row { align-items: flex-start; flex-direction: column; }
  .filter-bar { padding: 12px; gap: 12px; }
}