/* roulang page: index */
:root {
  --bg: #161311;
  --bg-2: #1c1815;
  --panel: #221e1a;
  --line-green: #2f6b45;
  --signal: #e2f07a;
  --clay: #c56a45;
  --clay-2: #d78462;
  --text: #f6f1e8;
  --muted: #b7a99a;
  --line: rgba(246, 241, 232, .14);
  --age: #8c3a3a;
  --err: #e7a0a0;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, .28);
  --max: 1180px;
  --ease: .24s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body, button, input, select, textarea { font-family: inherit; }
img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--signal); }
button, input, select, textarea { color: inherit; background: transparent; }
button { cursor: pointer; }
p { margin: 0 0 .9em; }
h1, h2, h3, h4 { font-weight: 800; line-height: 1.28; margin: 0 0 .55em; letter-spacing: 0; }
::selection { background: var(--line-green); color: var(--text); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(22, 19, 17, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.nav-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 168px;
  color: var(--text);
}
.brand:hover { color: var(--text); }
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--signal);
  font-weight: 900;
  letter-spacing: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  font-weight: 900;
  font-size: 13px;
  line-height: 1.25;
}
.toggler {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
}
.toggler span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text);
}
.search {
  flex: 1;
  max-width: 560px;
  height: 46px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: none;
}
.search:focus-within {
  border-color: var(--signal);
  box-shadow: 0 0 0 3px rgba(226, 240, 122, .16);
}
.search svg { flex: 0 0 auto; color: var(--muted); }
.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 15px;
  padding: 0;
}
.search input::placeholder { color: var(--muted); }
.menu-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 2px 10px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.menu-link:hover { color: var(--text); }
.menu-link.is-active {
  color: var(--text);
  border-bottom-color: var(--clay);
}
.band { padding: 56px 0; }
.band-alt { background: var(--bg-2); }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--signal);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}
.kicker i {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--line-green);
  display: inline-block;
}
h1 { font-size: clamp(34px, 5vw, 58px); font-weight: 900; max-width: 16em; }
.subhead { color: var(--muted); font-size: 18px; margin: 0 0 14px; max-width: 36em; }
.prose { max-width: 40em; color: var(--text); font-size: 16px; }
.sec-title { font-size: clamp(26px, 3vw, 36px); font-weight: 900; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0; }
.btn-clay, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}
.btn-clay { background: var(--clay); color: #1a100c; }
.btn-clay:hover, .btn-clay:focus-visible { background: var(--clay-2); color: #1a100c; }
.btn-clay:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }
.arrow { display: inline-block; transition: transform var(--ease); }
.btn-clay:hover .arrow, .btn-ghost:hover .arrow { transform: translateX(4px); }
.trust { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 22px; }
.trust span, .badge, .tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.age-chip { background: var(--age); color: var(--text); border-color: transparent; }
.metric-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-green);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.metric { padding: 18px 16px 16px; }
.metric + .metric { border-left: 1px solid var(--line); }
.metric b {
  display: block;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  line-height: 1;
}
.metric span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }
.ticker {
  margin-top: 14px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.ticker-track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.ticker-track span { padding: 8px 28px; white-space: nowrap; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.points { list-style: none; padding: 0; margin: 0 0 8px; max-width: 42em; }
.points li {
  position: relative;
  padding: 8px 0 8px 16px;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}
.points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--clay);
  position: absolute;
  left: 0;
  top: 18px;
}
.matrix-main, .mini, .cover, .review, .form-card, .note {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.matrix-main, .mini, .note, .review {
  transition: border-color var(--ease), transform var(--ease);
}
.matrix-main:hover, .mini:hover, .note:hover, .review:hover, .cover:hover, .scene:hover {
  border-color: var(--signal);
  transform: translateY(-2px);
}
.matrix-main { padding: 22px; min-height: 100%; }
.mini { padding: 18px; }
.mini + .mini { margin-top: 12px; }
.mini h3, .note h3, .review h3, .cover strong { font-size: 20px; }
.tag { margin: 0 8px 8px 0; color: var(--signal); border-color: rgba(226, 240, 122, .35); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.compare-col { background: var(--panel); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.compare-head {
  background: var(--line-green);
  color: var(--text);
  font-weight: 800;
  padding: 10px 16px;
  letter-spacing: .04em;
}
.compare-row { display: flex; justify-content: space-between; gap: 12px; padding: 14px 16px; border-top: 1px solid var(--line); }
.compare-row span { color: var(--muted); }
.compare-row b { font-weight: 700; text-align: right; }
.scroller {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.scene {
  flex: 0 0 230px;
  scroll-snap-align: start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 148px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--ease), transform var(--ease);
}
.scene em { color: var(--signal); font-style: normal; font-size: 12px; font-weight: 700; }
.scene-notes { margin-top: 14px; display: grid; gap: 10px; }
.note { padding: 14px 16px; }
.timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 1fr);
  overflow-x: auto;
  border-top: 2px solid var(--line-green);
}
.node { padding: 16px 14px 6px; border-right: 1px solid var(--line); min-height: 150px; }
.node time { color: var(--clay); font-variant-numeric: tabular-nums; font-weight: 800; font-size: 13px; }
.node h3 { font-size: 18px; margin-top: 8px; }
.node p { color: var(--muted); font-size: 14px; }
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.news-item time { color: var(--clay); font-variant-numeric: tabular-nums; font-weight: 800; padding-top: 2px; }
.news-item h3 { font-size: 18px; margin: 0 0 4px; }
.news-item p { color: var(--muted); margin: 0; }
.is-dim { opacity: .28; }
.search-note { color: var(--signal); min-height: 1.5em; font-size: 14px; margin: 8px 0 0; }
.mosaic {
  display: grid;
  grid-template-columns: 1.45fr .8fr;
  grid-template-rows: 180px 180px;
  gap: 12px;
}
.cover {
  position: relative;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  color: var(--text);
  transition: border-color var(--ease), transform var(--ease);
}
.cover-lg { grid-row: 1 / span 2; min-height: 372px; background: linear-gradient(160deg, #2f6b45, #1a2b22 70%); }
.cover-b { background: linear-gradient(160deg, #6e4636, #2a1d18 72%); }
.cover-c { background: linear-gradient(160deg, #3d4a34, #1b1d17 72%); }
.cover .badge { position: absolute; top: 14px; left: 14px; background: rgba(22, 19, 17, .45); color: var(--signal); }
.cover span.meta { color: var(--text); opacity: .8; font-size: 13px; }
.pieces { margin-top: 12px; display: grid; gap: 10px; }
.piece { padding-top: 8px; border-top: 1px solid var(--line); }
.piece h3 { font-size: 18px; }
.assure {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.assure article { padding: 18px 16px; }
.assure article + article { border-left: 1px solid var(--line); }
.assure h3 { font-size: 16px; }
.assure p { color: var(--muted); margin: 0; font-size: 14px; }
.spec { border-top: 1px solid var(--line); }
.spec-row {
  display: grid;
  grid-template-columns: 180px 1fr 120px;
  gap: 12px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.spec-row b { font-variant-numeric: tabular-nums; text-align: right; color: var(--signal); }
.spec-row span { color: var(--muted); }
.acc details {
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  padding: 0 0 0 12px;
  background: transparent;
}
.acc details[open] { border-left-color: var(--clay); background: rgba(197, 106, 69, .06); }
.acc summary {
  cursor: pointer;
  list-style: none;
  font-weight: 800;
  padding: 14px 8px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; color: var(--clay); font-weight: 900; }
.acc details[open] summary::after { content: "–"; }
.acc .q-body { color: var(--muted); padding: 0 8px 14px; max-width: 46em; }
.reviews { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.review { padding: 18px; }
.review header { display: flex; justify-content: space-between; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.link-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.link-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}
.form-card { padding: 22px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; }
.field input, .field select {
  width: 100%;
  height: 46px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #171411;
  padding: 0 12px;
  outline: none;
}
.field input:focus, .field select:focus { border-color: var(--signal); box-shadow: 0 0 0 3px rgba(226, 240, 122, .16); }
.checkline { display: flex; gap: 8px; align-items: flex-start; color: var(--muted); margin-bottom: 12px; }
.checkline input { margin-top: 6px; accent-color: var(--clay); }
.form-error { color: var(--err); min-height: 1.5em; margin: 0 0 8px; }
.form-ok { color: var(--signal); font-weight: 700; }
.legal {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #241816;
  color: #f0d2d2;
}
.to-top { color: var(--signal); font-weight: 800; white-space: nowrap; }
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 28px; background: #120f0d; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 24px; }
.foot-brand { font-weight: 900; font-size: 20px; line-height: 1.35; }
.foot-links { display: flex; flex-direction: column; gap: 6px; }
.foot-links a { color: var(--muted); }
.foot-links a:hover { color: var(--signal); }
.fine { color: var(--muted); font-size: 13px; }
.fine b { color: var(--text); font-weight: 700; }
@media (max-width: 991.98px) {
  .toggler { display: inline-flex; }
  .nav-bar { flex-wrap: wrap; align-items: center; }
  .search { order: 3; flex: 1 0 100%; max-width: none; }
  #navFold { order: 4; flex: 1 0 100%; }
  #navFold .menu-link { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .mosaic { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 160px 160px; }
  .cover-lg { grid-column: 1 / span 2; grid-row: auto; min-height: 220px; }
  .spec-row { grid-template-columns: 1fr auto; }
  .spec-row span { grid-column: 1 / -1; }
}
@media (min-width: 992px) {
  .nav-bar { display: flex; }
  #navFold.collapse { display: contents !important; }
  .brand { order: 1; }
  .menu-link[href="/"] { order: 2; }
  .search { order: 3; }
  .menu-link[href="/category1.html"] { order: 4; }
  .menu-link[href="/category2.html"] { order: 5; }
  .toggler { display: none !important; }
}
@media (max-width: 767.98px) {
  .metric-row, .compare, .reviews, .link-list, .assure, .foot-grid { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(odd) { border-left: 0; }
  .metric:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .assure article:nth-child(odd) { border-left: 0; }
  .assure article:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .news-item { grid-template-columns: 72px 1fr; }
  h1 { font-size: 34px; }
}
@media (max-width: 575.98px) {
  .band { padding: 36px 0; }
  .wrap { width: min(var(--max), calc(100% - 24px)); }
  .metric-row, .compare, .reviews, .link-list, .assure, .foot-grid, .mosaic { grid-template-columns: 1fr; }
  .metric + .metric, .assure article + article { border-left: 0; border-top: 1px solid var(--line); }
  .cover-lg { grid-column: auto; min-height: 200px; }
  .legal { flex-direction: column; align-items: flex-start; }
  .news-item { grid-template-columns: 1fr; gap: 4px; }
  .brand-text { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category1 */
:root {
  --bg: #161311;
  --bg-2: #1c1815;
  --panel: #221e1a;
  --line-green: #2f6b45;
  --signal: #e2f07a;
  --clay: #c56a45;
  --clay-2: #d78462;
  --text: #f6f1e8;
  --muted: #b7a99a;
  --line: rgba(246, 241, 232, .14);
  --age: #8c3a3a;
  --err: #e7a0a0;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, .28);
  --max: 1180px;
  --ease: .24s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body, button, input, select, textarea { font-family: inherit; }
img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--signal); }
button, input, select, textarea { color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}
.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(22, 19, 17, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.nav-bar {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 168px;
  color: var(--text);
}
.brand:hover { color: var(--text); }
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--signal);
  font-weight: 900;
}
.brand-text {
  display: flex;
  flex-direction: column;
  font-weight: 900;
  font-size: 13px;
  line-height: 1.25;
}
.search {
  flex: 1;
  max-width: 560px;
  height: 46px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.search:focus-within {
  border-color: var(--signal);
  box-shadow: 0 0 0 3px rgba(226, 240, 122, .16);
}
.search svg { flex: 0 0 auto; color: var(--muted); }
.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 15px;
  padding: 0;
  color: var(--text);
}
.search input::placeholder { color: var(--muted); }
#navFold { display: flex; align-items: center; gap: 18px; }
.menu-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 2px 10px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.menu-link:hover { color: var(--text); }
.menu-link.is-active { color: var(--text); border-bottom-color: var(--clay); }
.toggler {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.toggler span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
}
.sec { padding: 48px 0; }
.sec-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--signal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 10px;
}
.kicker i {
  width: 28px;
  height: 2px;
  background: var(--line-green);
  display: inline-block;
}
h1 {
  margin: 0;
  max-width: 16em;
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0;
}
.sub {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 36em;
}
.lead-copy {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.75;
}
.lead-copy + .lead-copy { margin-top: 1.15em; }
.lead-copy::first-letter {
  float: left;
  font-size: 2.6em;
  font-weight: 900;
  line-height: .85;
  padding: 6px 8px 0 0;
  color: var(--signal);
}
.ticker {
  margin-top: 28px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #1a1613;
}
.ticker-track {
  display: flex;
  gap: 28px;
  width: max-content;
  padding: 8px 0;
  animation: tick 32s linear infinite;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.ticker b { color: var(--clay); font-weight: 800; }
@keyframes tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.age-chip, .badge, .tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.age-chip { background: var(--age); color: var(--text); border-color: transparent; }
.badge { color: var(--signal); border-color: rgba(226, 240, 122, .35); background: rgba(22, 19, 17, .45); }
.sec-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 18px;
}
.sec-title { margin: 0; font-size: clamp(24px, 3vw, 34px); font-weight: 900; line-height: 1.25; }
.sec-note { margin: 0; color: var(--muted); font-size: 14px; }
.count {
  font-variant-numeric: tabular-nums;
  color: var(--signal);
  font-weight: 800;
  font-size: 14px;
}
.filter-board {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-green);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px 18px;
}
.filter-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.filter-row:last-child { border-bottom: 0; }
.filter-row span { color: var(--muted); font-weight: 800; font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.chip:hover { border-color: var(--signal); color: var(--text); }
.chip[aria-pressed="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: #1a100c;
}
.list-bar {
  display: grid;
  grid-template-columns: 88px 1.4fr .7fr .5fr .6fr;
  gap: 12px;
  padding: 0 0 8px;
  color: var(--signal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--line);
}
.row-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  align-items: stretch;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease), background var(--ease);
}
.row-item:hover { border-bottom-color: var(--signal); background: rgba(226, 240, 122, .03); }
.swatch {
  border-radius: 12px;
  min-height: 84px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-green);
  background:
    linear-gradient(160deg, rgba(226, 240, 122, .18), transparent 42%),
    var(--panel);
}
.swatch.b { border-top-color: var(--clay); background: linear-gradient(160deg, rgba(197, 106, 69, .28), transparent 46%), var(--panel); }
.swatch.c { background: linear-gradient(160deg, rgba(47, 107, 69, .45), transparent 50%), var(--panel); }
.swatch.d { border-top-color: var(--signal); }
.row-main h2 { margin: 0 0 6px; font-size: 20px; font-weight: 900; line-height: 1.35; }
.row-main h2 a:hover { color: var(--signal); }
.row-main p { margin: 0; color: var(--muted); max-width: 40em; }
.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 8px;
  color: var(--text);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.meta-line em { font-style: normal; color: var(--muted); }
.empty-note { display: none; margin: 16px 0 0; color: var(--err); }
.pick-grid {
  display: grid;
  grid-template-columns: 1.35fr .85fr;
  gap: 14px;
}
.pick-side { display: grid; gap: 14px; }
.pick {
  position: relative;
  display: block;
  min-height: 180px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color var(--ease), transform var(--ease);
}
.pick:hover { border-color: var(--signal); transform: translateY(-2px); color: var(--text); }
.pick-lg { min-height: 100%; }
.pick-face {
  position: absolute;
  inset: 0 38% 40% 0;
  background: linear-gradient(145deg, rgba(47, 107, 69, .55), rgba(226, 240, 122, .12) 70%);
  border-right: 1px solid var(--line);
}
.pick-side .pick:first-child .pick-face { background: linear-gradient(145deg, rgba(197, 106, 69, .4), transparent 72%); }
.pick h3, .pick p, .pick .badge { position: relative; }
.pick h3 { margin: 36px 0 8px; font-size: 22px; font-weight: 900; }
.pick p { margin: 0; color: var(--muted); max-width: 28em; }
.boundary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid rgba(140, 58, 58, .45);
  background: #241816;
}
.boundary p { margin: 0; max-width: 46em; }
.acc { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); border-left: 2px solid transparent; }
.acc-item.is-open { border-left-color: var(--clay); }
.acc-item button {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 16px 8px;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.acc-item button span { color: var(--clay); font-variant-numeric: tabular-nums; }
.acc-panel { display: none; color: var(--muted); padding: 0 8px 16px; max-width: 40em; }
.acc-item.is-open .acc-panel { display: block; }
.link-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.link-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}
.link-list a i { color: var(--clay); font-style: normal; font-variant-numeric: tabular-nums; }
.more-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.more-bar h2 { margin: 0 0 4px; font-size: 28px; font-weight: 900; }
.more-bar p { margin: 0; color: var(--muted); max-width: 36em; }
.btn-clay, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}
.btn-clay { background: var(--clay); color: #1a100c; }
.btn-clay:hover, .btn-clay:focus-visible { background: var(--clay-2); color: #1a100c; }
.btn-clay:active { transform: translateY(1px); }
.arrow { display: inline-block; transition: transform var(--ease); }
.btn-clay:hover .arrow { transform: translateX(4px); }
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 28px;
  background: #120f0d;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr 1fr;
  gap: 24px;
}
.foot-brand { font-size: 22px; font-weight: 900; line-height: 1.3; }
.fine { color: var(--muted); margin: 8px 0 0; }
.fine b { color: var(--text); }
.foot-links { display: flex; flex-direction: column; gap: 6px; }
.foot-links a { color: var(--muted); font-weight: 700; }
.foot-links a:hover { color: var(--signal); }
@media (max-width: 1024px) {
  .pick-grid { grid-template-columns: 1fr; }
  .list-bar { display: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 991.98px) {
  .toggler { display: flex; margin-left: auto; }
  .nav-bar { flex-wrap: wrap; }
  .brand { order: 1; }
  .toggler { order: 2; }
  .search { order: 3; flex: 1 1 100%; max-width: none; }
  #navFold { order: 4; }
  #navFold.collapse:not(.show) { display: none; }
  #navFold.collapse.show {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0;
    padding-bottom: 8px;
  }
  .menu-link { width: 100%; padding: 10px 0; }
}
@media (max-width: 768px) {
  .sec { padding: 36px 0; }
  .link-list, .foot-grid, .more-bar, .boundary { grid-template-columns: 1fr; display: grid; }
  .more-bar { display: grid; }
  .row-item { grid-template-columns: 64px 1fr; }
  h1 { font-size: 34px; }
}
@media (max-width: 520px) {
  .wrap { width: min(var(--max), calc(100% - 24px)); }
  .filter-row { grid-template-columns: 1fr; gap: 8px; }
  .brand-text { font-size: 12px; }
  .row-main h2 { font-size: 18px; }
  .sec-head { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* roulang page: category2 */
:root {
 --bg: #161311;
 --bg-2: #1c1815;
 --panel: #221e1a;
 --line-green: #2f6b45;
 --signal: #e2f07a;
 --clay: #c56a45;
 --clay-2: #d78462;
 --text: #f6f1e8;
 --muted: #b7a99a;
 --line: rgba(246, 241, 232, .14);
 --age: #8c3a3a;
 --err: #e7a0a0;
 --radius: 12px;
 --shadow: 0 8px 24px rgba(0, 0, 0, .28);
 --max: 1180px;
 --ease: .24s ease;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
 overflow-x: hidden;
}
body, button, input, select, textarea { font-family: inherit; }
img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--signal); }
button, input, select, textarea { color: inherit; background: transparent; }
button { cursor: pointer; }
h1, h2, h3, h4 { color: var(--text); font-weight: 900; line-height: 1.25; margin: 0; }
p { margin: 0 0 12px; }
::selection { background: var(--line-green); color: var(--text); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(22, 19, 17, .96);
 border-bottom: 1px solid var(--line);
 backdrop-filter: blur(10px);
}
.nav-bar {
 min-height: 74px;
 display: flex;
 align-items: center;
 gap: 14px;
 padding: 12px 0;
}
.brand {
 display: flex;
 align-items: center;
 gap: 10px;
 min-width: 168px;
 color: var(--text);
 flex: 0 0 auto;
}
.brand:hover { color: var(--text); }
.brand-mark {
 width: 42px;
 height: 42px;
 border-radius: 12px;
 display: grid;
 place-items: center;
 background: var(--panel);
 border: 1px solid var(--line);
 color: var(--signal);
 font-weight: 900;
 letter-spacing: 0;
}
.brand-text {
 display: flex;
 flex-direction: column;
 font-weight: 900;
 font-size: 13px;
 line-height: 1.25;
}
.toggler {
 width: 42px;
 height: 42px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: var(--panel);
 display: none;
 flex-direction: column;
 justify-content: center;
 align-items: center;
 gap: 5px;
 padding: 0;
}
.toggler span { display: block; width: 16px; height: 2px; background: var(--text); border-radius: 2px; }
.search {
 flex: 1;
 max-width: 560px;
 height: 46px;
 display: flex;
 align-items: center;
 gap: 8px;
 padding: 0 16px;
 background: var(--panel);
 border: 1px solid var(--line);
 border-radius: 999px;
 box-shadow: none;
}
.search:focus-within {
 border-color: var(--signal);
 box-shadow: 0 0 0 3px rgba(226, 240, 122, .16);
}
.search svg { flex: 0 0 auto; color: var(--muted); }
.search input {
 width: 100%;
 border: 0;
 outline: 0;
 background: transparent;
 font-size: 15px;
 padding: 0;
 color: var(--text);
}
.search input::placeholder { color: var(--muted); }
#navFold { display: flex; align-items: center; gap: 16px; }
.menu-link {
 color: var(--muted);
 font-size: 14px;
 font-weight: 700;
 padding: 8px 2px 10px;
 white-space: nowrap;
 border-bottom: 2px solid transparent;
}
.menu-link:hover { color: var(--text); }
.menu-link.is-active { color: var(--text); border-bottom-color: var(--clay); }
.sec { padding: 48px 0; }
.sec.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-title { font-size: clamp(24px, 3vw, 34px); font-weight: 900; margin-bottom: 16px; text-align: left; }
.btn-clay, .btn-ghost {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 min-height: 46px;
 padding: 0 18px;
 border-radius: 999px;
 border: 1px solid transparent;
 font-weight: 700;
 transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
 appearance: none;
 -webkit-appearance: none;
}
.btn-clay { background: var(--clay); color: #1a100c; }
.btn-clay:hover, .btn-clay:focus-visible { background: var(--clay-2); color: #1a100c; }
.btn-clay:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }
.arrow { display: inline-block; transition: transform var(--ease); }
.btn-clay:hover .arrow, .btn-ghost:hover .arrow { transform: translateX(4px); }
.badge, .tag, .age-chip {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 border: 1px solid var(--line);
 color: var(--muted);
 font-size: 12px;
 font-weight: 700;
}
.age-chip { background: var(--age); color: var(--text); border-color: transparent; }
.topic-grid { display: grid; grid-template-columns: 72px 1fr; gap: 18px; align-items: stretch; }
.v-time {
 writing-mode: vertical-rl;
 display: flex;
 align-items: center;
 justify-content: center;
 gap: 10px;
 border-left: 2px solid var(--line-green);
 color: var(--signal);
 font-weight: 900;
 letter-spacing: .18em;
 font-variant-numeric: tabular-nums;
 background: var(--panel);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.v-time b { font-size: 18px; color: var(--clay); letter-spacing: 0; }
.v-time span { font-size: 13px; color: var(--signal); }
.kicker { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; color: var(--muted); font-size: 13px; font-weight: 700; }
h1 { font-size: clamp(36px, 5vw, 60px); letter-spacing: 0; max-width: 12em; }
.lead { max-width: 38em; color: var(--muted); font-size: 17px; line-height: 1.75; margin: 14px 0 0; }
.ticker { overflow: hidden; height: 36px; display: flex; align-items: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #1a1714; margin-bottom: 8px; }
.ticker-track { display: flex; gap: 32px; white-space: nowrap; min-width: max-content; animation: slide 28s linear infinite; color: var(--signal); font-size: 13px; font-weight: 700; }
.ticker-track span { padding-left: 32px; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.timeline { position: relative; display: flex; flex-direction: column; }
.timeline::before { content: ""; position: absolute; left: 92px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl-item { display: grid; grid-template-columns: 92px 1fr; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); position: relative; }
.tl-item time { color: var(--clay); font-weight: 800; font-variant-numeric: tabular-nums; padding-top: 2px; }
.tl-item h3 { font-size: 18px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.tl-item p { max-width: 40em; color: var(--muted); margin: 0; }
.tl-item .meta { color: var(--text); font-size: 13px; margin-top: 6px; font-variant-numeric: tabular-nums; }
.badge-on { background: rgba(226, 240, 122, .12); color: var(--signal); border-color: rgba(226, 240, 122, .35); }
.tl-item:hover h3 { color: var(--signal); }
.digit-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.digit {
 height: 52px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 8px;
 padding: 0 14px;
 background: var(--panel);
 border: 1px solid var(--line);
 border-left: 2px solid var(--line-green);
 border-radius: var(--radius);
}
.digit b { font-size: 22px; color: var(--clay); font-variant-numeric: tabular-nums; font-weight: 900; animation: rise .24s ease both; }
.digit:nth-child(2) b { animation-delay: .06s; }
.digit:nth-child(3) b { animation-delay: .12s; }
.digit span { color: var(--muted); font-size: 13px; font-weight: 700; }
@keyframes rise { from { opacity: .35; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: start; }
.split-col { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; transition: border-color var(--ease), transform var(--ease); }
.split-col:hover { border-color: var(--signal); transform: translateY(-2px); }
.split-col h3 { font-size: 22px; margin-bottom: 10px; }
.split-col p { max-width: 38em; color: var(--muted); margin: 0; }
.split-col .idx { color: var(--signal); font-variant-numeric: tabular-nums; font-size: 13px; font-weight: 800; display: block; margin-bottom: 8px; }
.assure-row { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.assure-row p { margin: 0; padding: 18px 16px; border-right: 1px solid var(--line); }
.assure-row p:last-child { border-right: 0; }
.assure-row b { display: block; font-size: 16px; margin-bottom: 4px; }
.assure-row span { color: var(--muted); display: block; max-width: 22em; }
.acc { border-bottom: 1px solid var(--line); border-left: 2px solid transparent; padding: 0 0 0 12px; }
.acc[open] { border-left-color: var(--clay); background: rgba(197, 106, 69, .04); }
.acc summary { list-style: none; cursor: pointer; min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-weight: 800; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; color: var(--clay); font-weight: 900; font-size: 20px; }
.acc[open] summary::after { content: "–"; }
.q-body { color: var(--muted); padding: 0 8px 14px; max-width: 40em; }
.form-card { max-width: 640px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.field { margin-bottom: 14px; }
.field label, .check { display: block; font-weight: 700; margin-bottom: 6px; }
.field input {
 width: 100%;
 height: 46px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: #171411;
 padding: 0 12px;
 outline: none;
 color: var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus {
 border-color: var(--signal);
 box-shadow: 0 0 0 3px rgba(226, 240, 122, .16);
}
.field.is-error input { border-color: var(--age); }
.check { display: flex; align-items: center; gap: 8px; color: var(--muted); font-weight: 500; }
.check input { width: 16px; height: 16px; accent-color: #c56a45; }
.form-msg { min-height: 1.5em; margin: 0 0 12px; font-weight: 700; }
.form-msg.is-error { color: var(--err); }
.form-msg.is-ok { color: var(--signal); }
.more-bar { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; }
.more-bar p { max-width: 36em; color: var(--muted); margin: 0; }
.site-footer { border-top: 1px solid var(--line); background: #120f0d; }
.foot-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 28px; padding: 36px 0 28px; }
.foot-brand { font-weight: 900; font-size: 22px; line-height: 1.35; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-links a { color: var(--muted); font-weight: 700; }
.foot-links a:hover { color: var(--signal); }
.fine { color: var(--muted); font-size: 14px; margin: 0; }
.fine b { color: var(--text); }
@media (max-width: 991.98px) {
 .toggler { display: flex; }
 .nav-bar { flex-wrap: wrap; align-items: center; }
 .search { order: 1; flex: 1 0 100%; max-width: none; }
 .brand { order: 2; flex: 1; }
 .toggler { order: 3; }
 #navFold { order: 4; flex: 1 0 100%; display: none; flex-direction: column; align-items: flex-start; gap: 0; }
 #navFold.show { display: flex; }
 #navFold .menu-link { display: block; width: 100%; padding: 10px 0; }
 .split { grid-template-columns: 1fr; }
 .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
 .sec { padding: 36px 0; }
 .timeline::before { left: 72px; }
 .tl-item { grid-template-columns: 72px 1fr; gap: 10px; }
 .assure-row { grid-template-columns: 1fr; }
 .assure-row p { border-right: 0; border-bottom: 1px solid var(--line); }
 .assure-row p:last-child { border-bottom: 0; }
 .more-bar { flex-direction: column; align-items: flex-start; }
 .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
 .topic-grid { grid-template-columns: 42px 1fr; gap: 10px; }
 .v-time { letter-spacing: .08em; }
 .digit-strip { grid-template-columns: 1fr; }
 h1 { font-size: 32px; }
 .brand-text { font-size: 12px; }
 .nav-bar { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .ticker-track, .digit b { animation: none; }
 .split-col, .btn-clay, .arrow { transition: none; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}