/* roulang page: index */
:root {
  --bg: #070D18;
  --bg-raise: #10192B;
  --bg-alt: #0C1526;
  --primary: #2F6BFF;
  --glow: #3EE0FF;
  --text: #E7EEF9;
  --muted: #93A4C3;
  --coral: #FF6B6B;
  --glass: rgba(16,28,52,.55);
  --line: rgba(120,190,255,.28);
  --line-strong: rgba(62,224,255,.72);
  --radius: 16px;
  --shadow: 0 12px 32px rgba(2,8,20,.38);
  --header-h: 120px;
  --max: 1140px;
  --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color-scheme: dark;
  padding-top: var(--header-h);
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 12px; }
h1, h2, h3, h4 { line-height: 1.35; margin: 0 0 12px; font-weight: 700; }
h1 { font-size: 40px; letter-spacing: .5px; }
h2 { font-size: 28px; }
h3 { font-size: 18px; }
:focus-visible { outline: 2px solid var(--glow); outline-offset: 2px; }
.container { max-width: var(--max); }
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1040;
  background: rgba(7,13,24,.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.topbar {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
  width: 36px; height: 36px; flex: 0 0 36px;
  border-radius: 10px;
  background: linear-gradient(160deg, var(--primary), #12306e 70%);
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 16px rgba(47,107,255,.45);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 9px;
  border-radius: 4px;
  border: 2px solid var(--glow);
}
.brand-name { font-size: 16px; font-weight: 700; white-space: nowrap; }
.nav-search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  height: 42px;
  padding: 0 8px 0 14px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(16px);
}
.nav-search input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  color: var(--text);
  outline: none;
  font-size: 14px;
}
.nav-search input::placeholder { color: var(--muted); }
.nav-search:focus-within {
  border-color: var(--glow);
  box-shadow: 0 0 0 2px rgba(62,224,255,.28);
}
.nav-search button, .btn-glow, .btn-ghost, .btn-line {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.nav-search button, .btn-glow {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 16px rgba(47,107,255,.45);
}
.nav-search button { height: 30px; padding: 0 14px; font-size: 13px; }
.btn-glow { display: inline-flex; align-items: center; justify-content: center; height: 42px; padding: 0 18px; font-size: 14px; font-weight: 700; color: #fff; }
.btn-glow:hover, .nav-search button:hover { background: #3d78ff; box-shadow: 0 0 26px rgba(62,224,255,.55); color: #fff; }
.btn-glow:active, .btn-ghost:active, .nav-search button:active { transform: translateY(1px); }
.btn-ghost, .btn-line {
  display: inline-flex; align-items: center; justify-content: center;
  height: 42px; padding: 0 18px; font-size: 14px; font-weight: 700; color: var(--text);
  background: rgba(16,28,52,.4);
  border: 1px solid var(--line);
}
.btn-ghost:hover, .btn-line:hover { border-color: var(--glow); color: #fff; box-shadow: 0 0 16px rgba(62,224,255,.28); }
.channel-nav { height: 48px; display: flex; align-items: center; }
.channel-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  flex-wrap: nowrap;
  width: 100%;
  scroll-snap-type: x mandatory;
  padding-bottom: 2px;
}
.channel-scroll::-webkit-scrollbar { height: 6px; }
.channel-scroll::-webkit-scrollbar-thumb { background: rgba(62,224,255,.35); border-radius: 999px; }
.channel-link {
  flex: 0 0 auto;
  scroll-snap-align: start;
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
}
.channel-link:hover { color: var(--text); border-color: var(--line); }
.channel-link.is-active {
  color: #fff;
  background: var(--glass);
  border-color: var(--line-strong);
  box-shadow: 0 0 12px rgba(62,224,255,.22);
  backdrop-filter: blur(16px);
}
main section { scroll-margin-top: calc(var(--header-h) + 12px); }
.block { padding: var(--pad) 0; }
.block-alt { background: var(--bg-alt); }
.block-raise { background: var(--bg-raise); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-desc { color: var(--muted); font-size: 16px; }
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.glass:hover { border-color: rgba(62,224,255,.5); }
.kicker { color: var(--glow); font-size: 14px; letter-spacing: 1px; margin-bottom: 8px; }
.hero-lead { color: #d5e2f6; font-size: 16px; max-width: 640px; }
.proof-line { color: var(--muted); font-size: 13px; margin: 14px 0 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.stat-panel { padding: 18px; }
.stat-row { display: grid; grid-template-columns: 92px 1fr auto; gap: 10px; align-items: center; padding: 12px 0; }
.stat-row + .stat-row { border-top: 1px solid rgba(120,190,255,.16); }
.stat-num { font-size: 28px; font-weight: 800; color: #fff; line-height: 1; }
.stat-label { color: var(--muted); font-size: 13px; }
.heat { height: 8px; border-radius: 999px; background: rgba(147,164,195,.18); overflow: hidden; }
.heat > i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--glow)); }
.badge, .tag {
  display: inline-flex; align-items: center; height: 24px; padding: 0 8px;
  border-radius: 10px; font-size: 12px; border: 1px solid var(--line); color: var(--glow);
  background: rgba(47,107,255,.12);
}
.badge-hot { color: var(--coral); border-color: rgba(255,107,107,.45); background: rgba(255,107,107,.1); }
.feat-grid { display: grid; grid-template-columns: 1.45fr .9fr .9fr; gap: 16px; }
.feat-card { padding: 20px; min-height: 180px; transition: transform .18s ease, border-color .18s ease; }
.feat-card:hover { transform: translateY(-2px); }
.feat-wide { grid-column: 1 / 2; grid-row: 1 / 3; min-height: 376px; }
.feat-card p, .scene-item p, .case-card p, .entry-card p, .quote p { color: var(--muted); font-size: 15px; }
.scene-list { display: flex; flex-direction: column; gap: 14px; }
.scene-item {
  display: grid;
  grid-template-columns: 180px 1.2fr .8fr;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  transition: transform .18s ease, border-color .18s ease;
}
.scene-item:hover { transform: translateY(-2px); }
.scene-name { font-size: 18px; font-weight: 700; }
.scene-limit, .scene-result { color: var(--muted); font-size: 15px; }
.demo-shell { overflow: hidden; }
.demo-top {
  height: 46px; display: flex; align-items: center; gap: 8px; padding: 0 14px;
  border-bottom: 1px solid var(--line); background: rgba(8,14,28,.65);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #35507e; }
.dot:nth-child(1) { background: var(--coral); }
.demo-url { margin-left: 8px; color: var(--muted); font-size: 13px; }
.demo-switch { display: flex; gap: 8px; padding: 14px; }
.demo-switch input { position: absolute; opacity: 0; pointer-events: none; }
.demo-switch label {
  height: 34px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line);
  display: inline-flex; align-items: center; color: var(--muted); cursor: pointer;
}
#st1:checked ~ .demo-switch label[for="st1"],
#st2:checked ~ .demo-switch label[for="st2"],
#st3:checked ~ .demo-switch label[for="st3"] {
  color: #fff; border-color: var(--glow); box-shadow: 0 0 12px rgba(62,224,255,.28);
}
.demo-stage { padding: 0 16px 18px; min-height: 230px; }
.pane { display: none; }
#st1:checked ~ .demo-stage .p1, #st2:checked ~ .demo-stage .p2, #st3:checked ~ .demo-stage .p3 { display: block; }
.fake-ui { display: grid; grid-template-columns: 1.4fr .7fr; gap: 12px; }
.anno {
  border-left: 2px solid var(--glow);
  padding: 8px 0 8px 12px;
  color: var(--muted);
  font-size: 14px;
}
.swatch {
  height: 120px; border-radius: 12px;
  background:
    linear-gradient(145deg, rgba(47,107,255,.55), rgba(16,25,43,.1) 60%),
    repeating-linear-gradient(90deg, rgba(62,224,255,.28) 0 10px, transparent 10px 18px);
  border: 1px solid var(--line);
}
.case-grid { display: grid; grid-template-columns: 1.35fr .72fr; gap: 16px; }
.case-card { padding: 20px; transition: transform .18s ease, border-color .18s ease; }
.case-card:hover { transform: translateY(-2px); }
.case-a { grid-column: 1; grid-row: 1; }
.case-b { grid-column: 1; grid-row: 2; }
.case-c { grid-column: 2; grid-row: 1 / span 2; }
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.price-card { padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.price-card.is-rec { border-color: var(--glow); box-shadow: 0 0 24px rgba(62,224,255,.22), var(--shadow); }
.price-num { font-size: 36px; font-weight: 800; }
.price-num span { font-size: 14px; color: var(--muted); font-weight: 500; }
.price-list { list-style: none; padding: 0; margin: 8px 0 16px; }
.price-list li { color: var(--muted); padding: 6px 0 6px 16px; position: relative; }
.price-list li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--glow); position: absolute; left: 0; top: 14px; }
.quote-wall { display: grid; grid-template-columns: 1.1fr .9fr .85fr; gap: 16px; }
.quote { padding: 18px; }
.quote:nth-child(2) { margin-top: 28px; }
.quote:nth-child(3) { margin-top: 10px; }
.quote strong { display: block; margin-bottom: 8px; }
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-row { display: grid; grid-template-columns: 72px 1fr 72px; gap: 12px; align-items: center; padding: 14px 16px; }
.rank-no {
  width: 56px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255,107,107,.12); color: var(--coral); font-weight: 800; border: 1px solid rgba(255,107,107,.4);
}
.rank-title { font-weight: 700; }
.rank-note { color: var(--muted); font-size: 14px; }
.meter { margin-bottom: 16px; }
.meter-top { display: flex; justify-content: space-between; color: var(--muted); font-size: 14px; margin-bottom: 6px; }
.meter-track { height: 10px; border-radius: 999px; background: rgba(147,164,195,.16); overflow: hidden; }
.meter-fill { height: 100%; border-radius: inherit; }
.is-hd { width: 86%; background: linear-gradient(90deg, var(--primary), var(--glow)); }
.is-sd { width: 58%; background: #5d7196; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.timeline { position: relative; margin-left: 12px; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: rgba(62,224,255,.35); }
.tl-item { position: relative; padding: 0 0 22px; }
.tl-item::before {
  content: ""; position: absolute; left: -33px; top: 8px; width: 10px; height: 10px; border-radius: 50%;
  background: var(--glow); box-shadow: 0 0 10px var(--glow);
}
.tl-date { color: var(--coral); font-size: 13px; }
.path-grid { display: grid; grid-template-columns: 1.2fr .8fr .9fr 1fr; gap: 14px; }
.path-step { padding: 18px; min-height: 210px; }
.step-no { font-size: 34px; font-weight: 800; color: var(--coral); line-height: 1; margin-bottom: 8px; }
.entry-grid { display: grid; grid-template-columns: 1.25fr .85fr; gap: 16px; }
.entry-card { padding: 22px; min-height: 230px; display: flex; flex-direction: column; transition: transform .18s ease, border-color .18s ease; }
.entry-card:hover { transform: translateY(-2px); border-color: var(--glow); }
.entry-card .swatch { margin-bottom: 14px; }
.mt-auto { margin-top: auto; }
.accordion-item { background: var(--glass); border: 1px solid var(--line) !important; border-radius: 16px !important; overflow: hidden; margin-bottom: 12px; backdrop-filter: blur(16px); }
.accordion-button {
  background: transparent; color: var(--text); box-shadow: none; font-weight: 700; font-size: 16px;
}
.accordion-button:not(.collapsed) { background: rgba(47,107,255,.16); color: #fff; }
.accordion-button::after { filter: invert(1) brightness(1.6); }
.accordion-body { color: #d5e2f6; }
.news-list { display: flex; flex-direction: column; gap: 10px; }
.news-row {
  display: grid; grid-template-columns: 108px 1fr auto; gap: 12px; align-items: center;
  padding: 14px 16px; transition: transform .18s ease, border-color .18s ease;
}
.news-row:hover { transform: translateY(-2px); }
.news-row time { color: var(--coral); font-size: 13px; }
.news-more { margin-top: 16px; }
.cta-band { padding: 28px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; align-items: center; }
.intent-form { display: grid; gap: 10px; }
.field, .intent-form select {
  width: 100%; height: 42px; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(7,13,24,.45); color: var(--text); padding: 0 12px;
}
.field:focus, .intent-form select:focus { border-color: var(--glow); box-shadow: 0 0 0 2px rgba(62,224,255,.28); outline: none; }
.site-footer { background: #080f1d; border-top: 1px solid var(--line); padding: 42px 0 20px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 22px; }
.foot-grid a { display: block; color: var(--muted); padding: 4px 0; }
.foot-grid a:hover { color: var(--glow); }
.fine-print { color: #7f90ad; font-size: 12px; margin-top: 22px; border-top: 1px solid rgba(120,190,255,.14); padding-top: 12px; }
@media (max-width: 1199.98px) {
  .container { max-width: 960px; }
}
@media (max-width: 991.98px) {
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .feat-grid, .case-grid, .quote-wall, .pair, .entry-grid, .cta-band, .fake-ui, .path-grid { grid-template-columns: 1fr 1fr; }
  .feat-wide, .case-a, .case-b, .case-c { grid-column: auto; grid-row: auto; min-height: 0; }
  .scene-item { grid-template-columns: 1fr; gap: 6px; }
  .price-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  :root { --pad: 40px; }
  .brand-name { font-size: 13px; }
  .feat-grid, .case-grid, .quote-wall, .pair, .entry-grid, .path-grid, .price-grid, .cta-band, .fake-ui, .foot-grid { grid-template-columns: 1fr; }
  .quote:nth-child(2), .quote:nth-child(3) { margin-top: 0; }
  .news-row, .rank-row, .stat-row { grid-template-columns: 1fr; }
  .nav-cta span { display: none; }
}
@media (max-width: 575.98px) {
  h1 { font-size: 28px; }
  .topbar { gap: 8px; }
  .brand-mark { width: 30px; height: 30px; flex-basis: 30px; }
  .nav-search { padding-left: 10px; }
  .btn-glow, .btn-ghost { height: 38px; padding: 0 12px; }
}

/* roulang page: category1 */
:root {
 --bg: #070D18;
 --bg-raise: #10192B;
 --bg-alt: #0C1526;
 --primary: #2F6BFF;
 --glow: #3EE0FF;
 --text: #E7EEF9;
 --muted: #93A4C3;
 --coral: #FF6B6B;
 --glass: rgba(16,28,52,.55);
 --line: rgba(120,190,255,.28);
 --line-strong: rgba(62,224,255,.72);
 --radius: 16px;
 --shadow: 0 12px 32px rgba(2,8,20,.38);
 --header-h: 120px;
 --max: 1140px;
 --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--text);
 background: var(--bg);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 color-scheme: dark;
 padding-top: var(--header-h);
}
img { max-width: 100%; display: block; }
button, input, select, summary { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: 0; }
h1 { font-size: 40px; line-height: 1.25; }
h2 { font-size: 28px; line-height: 1.35; }
h3 { font-size: 18px; line-height: 1.45; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
 outline: 2px solid var(--glow);
 outline-offset: 2px;
}
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.site-header {
 position: fixed;
 top: 0; left: 0; right: 0;
 height: var(--header-h);
 z-index: 1040;
 background: rgba(7,13,24,.88);
 border-bottom: 1px solid var(--line);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
}
.topbar { height: 72px; display: flex; align-items: center; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark {
 width: 36px; height: 36px; flex: 0 0 36px;
 border-radius: 10px;
 background: linear-gradient(160deg, var(--primary), #12306e 70%);
 border: 1px solid var(--line-strong);
 box-shadow: 0 0 16px rgba(47,107,255,.45);
 position: relative;
}
.brand-mark::after {
 content: "";
 position: absolute; inset: 9px;
 border-radius: 4px;
 border: 2px solid var(--glow);
}
.brand-name { font-size: 16px; font-weight: 700; white-space: nowrap; }
.nav-search {
 flex: 1;
 display: flex;
 align-items: center;
 gap: 8px;
 min-width: 0;
 height: 42px;
 padding: 0 8px 0 14px;
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: 999px;
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
}
.nav-search input {
 flex: 1; min-width: 0; background: transparent; border: 0; color: var(--text); outline: none; font-size: 14px;
}
.nav-search input::placeholder { color: var(--muted); }
.nav-search:focus-within { border-color: var(--glow); box-shadow: 0 0 0 2px rgba(62,224,255,.28); }
.nav-search button, .btn-glow, .btn-ghost, .btn-line {
 border: 0; cursor: pointer; border-radius: 999px;
 transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, filter .15s ease;
}
.nav-search button, .btn-glow {
 background: var(--primary); color: #fff; box-shadow: 0 0 16px rgba(47,107,255,.45);
}
.nav-search button { height: 30px; padding: 0 14px; font-size: 13px; }
.btn-glow { display: inline-flex; align-items: center; justify-content: center; height: 42px; padding: 0 18px; font-size: 14px; font-weight: 700; color: #fff; }
.btn-glow:hover, .nav-search button:hover { background: #3d78ff; box-shadow: 0 0 26px rgba(62,224,255,.55); color: #fff; filter: brightness(1.06); }
.btn-glow:active, .btn-ghost:active, .nav-search button:active { transform: translateY(1px); }
.btn-ghost, .btn-line {
 display: inline-flex; align-items: center; justify-content: center;
 height: 42px; padding: 0 18px; font-size: 14px; font-weight: 700; color: var(--text);
 background: rgba(16,28,52,.4); border: 1px solid var(--line);
}
.btn-ghost:hover, .btn-line:hover { border-color: var(--glow); color: #fff; box-shadow: 0 0 16px rgba(62,224,255,.28); }
.channel-nav { height: 48px; display: flex; align-items: center; }
.channel-scroll {
 display: flex; gap: 8px; align-items: center; width: 100%; height: 48px;
 overflow-x: auto; flex-wrap: nowrap; scroll-snap-type: x mandatory;
 scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link {
 flex: 0 0 auto; scroll-snap-align: start;
 height: 32px; padding: 0 14px; border-radius: 999px;
 display: inline-flex; align-items: center;
 color: var(--muted); font-size: 14px; border: 1px solid transparent;
 transition: border-color .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
}
.channel-link:hover { color: var(--text); border-color: var(--line); }
.channel-link.is-active {
 color: var(--text);
 background: var(--glass);
 border-color: var(--line-strong);
 box-shadow: 0 0 16px rgba(47,107,255,.35);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
}
main section { scroll-margin-top: calc(var(--header-h) + 12px); }
.band { padding: var(--pad) 0; }
.band-base { background: var(--bg); }
.band-alt { background: var(--bg-alt); }
.band-raise { background: var(--bg-raise); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-desc { color: var(--muted); font-size: 16px; }
.kicker { color: var(--glow); font-size: 13px; letter-spacing: .08em; margin-bottom: 10px; }
.head-split { display: grid; grid-template-columns: 1.25fr .9fr; gap: 28px; align-items: end; }
.head-split h1 { margin: 0 0 12px; }
.filter-bar {
 display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px;
 padding: 16px; border-radius: var(--radius);
 background: var(--glass); border: 1px solid var(--line);
 box-shadow: var(--shadow); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.filter-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.filter-field span { color: var(--muted); font-size: 12px; }
.filter-field select {
 height: 42px; border-radius: 999px; padding: 0 12px;
 background: rgba(7,13,24,.55); color: var(--text);
 border: 1px solid var(--line); outline: none;
}
.filter-field select:focus { border-color: var(--glow); box-shadow: 0 0 0 2px rgba(62,224,255,.28); }
.filter-bar .btn-glow { align-self: end; }
.poster-grid { display: grid; grid-template-columns: 1.4fr .86fr; gap: 16px; align-items: stretch; }
.poster-card {
 display: grid; grid-template-columns: 168px 1fr; gap: 16px;
 padding: 16px; border-radius: var(--radius);
 background: var(--glass); border: 1px solid var(--line);
 box-shadow: var(--shadow); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
 transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.poster-card:hover { transform: translateY(-2px); border-color: var(--line-strong); box-shadow: 0 0 22px rgba(47,107,255,.22), var(--shadow); }
.poster-card.is-wide { grid-column: 1 / -1; grid-template-columns: 280px 1fr; }
.poster-card.is-narrow { grid-template-columns: 1fr; }
.poster-visual {
 position: relative; min-height: 148px; border-radius: 12px; overflow: hidden;
 border: 1px solid var(--line);
}
.tone-1 { background: linear-gradient(145deg, #1d4ed8 0%, #0c2148 62%, #071426 100%); }
.tone-2 { background: linear-gradient(160deg, #163e86, #10233f 70%); }
.tone-3 { background: linear-gradient(200deg, #2457c5, #0e1c36); }
.tone-4 { background: linear-gradient(135deg, #0f3468, #12325a 55%, #08111f); }
.tone-5 { background: linear-gradient(180deg, #1a3f78, #0a1730); }
.tone-6 { background: linear-gradient(150deg, #2a62d0, #101b33 68%); }
.poster-visual::after {
 content: ""; position: absolute; inset: auto 12px 12px 12px; height: 8px; border-radius: 999px;
 background: rgba(231,238,249,.16);
}
.rank-flag {
 position: absolute; left: 12px; top: 12px; z-index: 1;
 min-width: 64px; height: 36px; padding: 0 8px;
 display: inline-flex; align-items: center; justify-content: center;
 border-radius: 10px; font-weight: 800; color: #fff;
 background: rgba(7,13,24,.55); border: 1px solid var(--line-strong);
}
.rank-flag.is-top { color: #fff; background: rgba(255,107,107,.18); border-color: rgba(255,107,107,.55); }
.rank-no { font-size: 22px; line-height: 1; }
.poster-copy { min-width: 0; display: flex; flex-direction: column; gap: 8px; justify-content: center; }
.poster-top { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.badge, .tag {
 display: inline-flex; align-items: center; height: 24px; padding: 0 8px;
 border-radius: 10px; font-size: 12px; border: 1px solid var(--line); color: var(--glow);
 background: rgba(47,107,255,.12);
}
.badge-hot { color: var(--coral); border-color: rgba(255,107,107,.45); background: rgba(255,107,107,.1); }
.score-line { color: var(--text); font-size: 14px; }
.heat { height: 8px; border-radius: 999px; background: rgba(120,190,255,.16); overflow: hidden; }
.heat i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--glow)); }
.poster-meta { color: var(--muted); font-size: 14px; }
.legend-list, .sort-list, .device-list, .q-list { display: flex; flex-direction: column; gap: 14px; }
.legend-row, .sort-row, .device-row, .q-item, .doc-list li, .more-strip {
 background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.legend-row, .sort-row { display: grid; gap: 12px 16px; align-items: center; padding: 16px 18px; transition: transform .18s ease, border-color .18s ease; }
.legend-row { grid-template-columns: 92px 1fr 220px; }
.sort-row { grid-template-columns: 72px 180px 1fr; }
.legend-row:hover, .sort-row:hover, .device-row:hover, .q-item:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.legend-name { font-weight: 700; }
.bar { height: 10px; border-radius: 999px; background: rgba(120,190,255,.14); overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, #1d4ed8, var(--glow)); }
.legend-note, .sort-row p, .device-row p, .q-item p { color: var(--muted); font-size: 15px; }
.idx {
 width: 52px; height: 36px; border-radius: 10px;
 display: inline-flex; align-items: center; justify-content: center;
 font-weight: 800; color: var(--glow); background: rgba(47,107,255,.14); border: 1px solid var(--line);
}
.idx.is-hot { color: var(--coral); border-color: rgba(255,107,107,.45); background: rgba(255,107,107,.1); }
.doc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.doc-list li { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 16px 18px; border-radius: 0; box-shadow: none; }
.doc-list li + li { border-top: 0; margin-top: -1px; }
.doc-list { border-radius: var(--radius); overflow: hidden; }
.doc-list a { font-weight: 700; }
.doc-list a:hover { color: var(--glow); }
.device-row { display: grid; grid-template-columns: 200px 1fr .8fr; gap: 16px; align-items: center; padding: 18px 20px; }
.device-row:nth-child(2) { grid-template-columns: 160px 1.3fr .7fr; margin-left: 28px; }
.device-row strong { font-size: 18px; }
.more-strip { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 22px; }
.q-list { display: grid; grid-template-columns: 1.15fr .85fr; gap: 14px; }
.q-item { padding: 0; }
.q-item summary { cursor: pointer; list-style: none; padding: 16px 18px; font-weight: 700; }
.q-item summary::-webkit-details-marker { display: none; }
.q-item summary::after { content: "+"; float: right; color: var(--glow); }
.q-item[open] summary::after { content: "–"; }
.q-item p { padding: 0 18px 16px; }
.site-footer { background: #070D18; border-top: 1px solid var(--line); padding: 48px 0 24px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 28px; }
.foot-grid h3 { font-size: 16px; margin: 0 0 12px; }
.foot-grid a { display: block; color: var(--muted); padding: 4px 0; }
.foot-grid a.brand { color: var(--text); padding: 0; }
.foot-grid a:hover { color: var(--glow); }
.fine-print { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(120,190,255,.16); color: var(--muted); font-size: 13px; }
@media (max-width: 1199.98px) {
 .container { max-width: 960px; }
}
@media (max-width: 991.98px) {
 :root { --pad: 40px; --header-h: 128px; }
 .head-split, .poster-grid, .q-list, .foot-grid { grid-template-columns: 1fr; }
 .poster-card, .poster-card.is-wide, .poster-card.is-narrow { grid-template-columns: 148px 1fr; grid-column: auto; }
 .legend-row, .sort-row, .device-row, .device-row:nth-child(2) { grid-template-columns: 1fr; margin-left: 0; }
 .filter-bar { grid-template-columns: 1fr 1fr; }
 .filter-bar .btn-glow { grid-column: 1 / -1; }
 h1 { font-size: 32px; }
 h2 { font-size: 24px; }
}
@media (max-width: 767.98px) {
 :root { --header-h: 168px; }
 .site-header { height: auto; min-height: var(--header-h); }
 .topbar { height: auto; min-height: 108px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 8px; }
 .nav-search { order: 3; flex: 1 1 100%; }
 .brand-name { font-size: 14px; }
 .poster-card, .poster-card.is-wide { grid-template-columns: 1fr; }
 .poster-visual { min-height: 120px; }
 .more-strip { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 575.98px) {
 .nav-cta { height: 36px; padding: 0 12px; }
 .filter-bar { grid-template-columns: 1fr; }
 .doc-list li { grid-template-columns: 1fr; }
 .band { padding: 40px 0; }
}

/* roulang page: category2 */
:root {
 --bg: #070D18;
 --bg-raise: #10192B;
 --bg-alt: #0C1526;
 --primary: #2F6BFF;
 --glow: #3EE0FF;
 --text: #E7EEF9;
 --muted: #93A4C3;
 --coral: #FF6B6B;
 --glass: rgba(16,28,52,.55);
 --line: rgba(120,190,255,.28);
 --line-strong: rgba(62,224,255,.72);
 --radius: 16px;
 --shadow: 0 12px 32px rgba(2,8,20,.38);
 --header-h: 120px;
 --max: 1140px;
 --pad: 72px;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 color-scheme: dark;
 padding-top: var(--header-h);
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 40px; line-height: 1.25; font-weight: 800; margin-bottom: 12px; }
h2 { font-size: 28px; line-height: 1.35; font-weight: 800; margin-bottom: 10px; }
h3 { font-size: 18px; line-height: 1.45; font-weight: 700; margin-bottom: 8px; }
p { margin-bottom: 0; }
::selection { background: rgba(47,107,255,.45); color: #fff; }
:focus-visible { outline: 2px solid var(--glow); outline-offset: 2px; }
.container { max-width: var(--max); }
.site-header {
 position: fixed;
 top: 0; left: 0; right: 0;
 height: var(--header-h);
 z-index: 1040;
 background: rgba(7,13,24,.88);
 border-bottom: 1px solid var(--line);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
}
.topbar {
 height: 72px;
 display: flex;
 align-items: center;
 gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--text); }
.brand-mark {
 width: 36px; height: 36px; flex: 0 0 36px;
 border-radius: 10px;
 background: linear-gradient(160deg, var(--primary), #12306e 70%);
 border: 1px solid var(--line-strong);
 box-shadow: 0 0 16px rgba(47,107,255,.45);
 position: relative;
}
.brand-mark::after {
 content: "";
 position: absolute; inset: 9px;
 border-radius: 4px;
 border: 2px solid var(--glow);
}
.brand-name { font-size: 16px; font-weight: 700; white-space: nowrap; }
.nav-search {
 flex: 1;
 display: flex;
 align-items: center;
 gap: 8px;
 min-width: 0;
 height: 42px;
 padding: 0 8px 0 14px;
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: 999px;
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
}
.nav-search input {
 flex: 1;
 min-width: 0;
 background: transparent;
 border: 0;
 color: var(--text);
 outline: none;
 font-size: 14px;
}
.nav-search input::placeholder { color: var(--muted); }
.nav-search:focus-within {
 border-color: var(--glow);
 box-shadow: 0 0 0 2px rgba(62,224,255,.28);
}
.nav-search button, .btn-glow, .btn-ghost, .btn-line {
 border: 0;
 cursor: pointer;
 border-radius: 999px;
 transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, filter .15s ease;
}
.nav-search button, .btn-glow {
 background: var(--primary);
 color: #fff;
 box-shadow: 0 0 16px rgba(47,107,255,.45);
}
.nav-search button { height: 30px; padding: 0 14px; font-size: 13px; }
.btn-glow { display: inline-flex; align-items: center; justify-content: center; height: 42px; padding: 0 18px; font-size: 14px; font-weight: 700; color: #fff; }
.btn-glow:hover, .nav-search button:hover { background: #3d78ff; box-shadow: 0 0 26px rgba(62,224,255,.55); color: #fff; filter: brightness(1.08); }
.btn-glow:active, .btn-ghost:active, .nav-search button:active { transform: translateY(1px); }
.btn-ghost, .btn-line {
 display: inline-flex; align-items: center; justify-content: center;
 height: 42px; padding: 0 18px; font-size: 14px; font-weight: 700; color: var(--text);
 background: rgba(16,28,52,.4);
 border: 1px solid var(--line);
}
.btn-ghost:hover, .btn-line:hover { border-color: var(--glow); color: #fff; box-shadow: 0 0 16px rgba(62,224,255,.28); }
.nav-cta { flex: 0 0 auto; }
.channel-nav { height: 48px; display: flex; align-items: center; }
.channel-scroll {
 display: flex;
 gap: 8px;
 width: 100%;
 overflow-x: auto;
 scroll-snap-type: x proximity;
 scrollbar-width: none;
}
.channel-scroll::-webkit-scrollbar { display: none; }
.channel-link {
 flex: 0 0 auto;
 scroll-snap-align: start;
 height: 32px;
 padding: 0 14px;
 border-radius: 999px;
 display: inline-flex;
 align-items: center;
 color: var(--muted);
 border: 1px solid transparent;
 white-space: nowrap;
 font-size: 14px;
 transition: color .15s ease, border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.channel-link:hover { color: var(--text); border-color: var(--line); }
.channel-link.is-active {
 color: var(--text);
 background: var(--glass);
 border-color: var(--line-strong);
 box-shadow: 0 0 16px rgba(62,224,255,.25);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
}
main section { scroll-margin-top: calc(var(--header-h) + 12px); }
.block { padding: var(--pad) 0; background: var(--bg); }
.block-alt { background: var(--bg-alt); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-desc { color: var(--muted); font-size: 16px; }
.glass {
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
}
.badge, .tag {
 display: inline-flex; align-items: center; height: 24px; padding: 0 8px;
 border-radius: 10px; font-size: 12px; border: 1px solid var(--line); color: var(--glow);
 background: rgba(47,107,255,.12);
 white-space: nowrap;
}
.badge-hot { color: var(--coral); border-color: rgba(255,107,107,.45); background: rgba(255,107,107,.1); }
.compact-head {
 display: grid;
 grid-template-columns: 1.35fr .72fr;
 gap: 22px;
 align-items: start;
}
.answer-box {
 margin-top: 16px;
 padding: 14px 16px;
 border-radius: 12px;
 border: 1px solid var(--line);
 border-left: 3px solid var(--glow);
 background: rgba(47,107,255,.12);
 color: var(--text);
}
.check-line { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.check-line span {
 color: var(--muted);
 font-size: 13px;
 padding-left: 16px;
 position: relative;
}
.check-line span::before {
 content: "";
 width: 8px; height: 8px;
 border-radius: 50%;
 background: var(--glow);
 box-shadow: 0 0 8px var(--glow);
 position: absolute;
 left: 0; top: 7px;
}
.pill-col { display: flex; flex-direction: column; gap: 10px; }
.pill {
 display: flex;
 justify-content: space-between;
 align-items: baseline;
 gap: 12px;
 padding: 14px 16px;
}
.pill b { font-size: 26px; line-height: 1; color: #fff; font-weight: 800; }
.pill span { color: var(--muted); font-size: 13px; }
.day-label {
 margin: 8px 0 12px;
 color: var(--coral);
 font-size: 13px;
 font-weight: 700;
 letter-spacing: .04em;
}
.time-row {
 display: grid;
 grid-template-columns: 72px 108px minmax(0,1fr) 168px;
 gap: 14px;
 align-items: center;
 padding: 14px 16px;
 margin-bottom: 12px;
 transition: transform .18s ease, border-color .18s ease;
}
.time-row:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.rank-no {
 width: 56px; height: 40px;
 display: inline-flex; align-items: center; justify-content: center;
 border-radius: 10px;
 background: rgba(255,107,107,.12);
 color: var(--coral);
 border: 1px solid rgba(255,107,107,.4);
 font-weight: 800;
 font-size: 18px;
}
.time-clock { color: var(--glow); font-weight: 700; font-variant-numeric: tabular-nums; }
.time-title { font-weight: 700; font-size: 18px; }
.time-meta { color: var(--muted); font-size: 13px; display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.swatch { width: 100%; height: 10px; border-radius: 999px; margin-bottom: 8px; }
.swatch-a { background: linear-gradient(90deg, #1d4ed8, #3EE0FF); }
.swatch-b { background: linear-gradient(90deg, #12306e, #7dd3fc); }
.swatch-c { background: linear-gradient(90deg, #243044, #60a5fa); }
.swatch-d { background: linear-gradient(90deg, #1e3a5f, #93c5fd); }
.heat-side { min-width: 0; }
.heat-side em { display: block; font-style: normal; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.bar { height: 8px; border-radius: 999px; background: rgba(120,190,255,.15); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--glow)); box-shadow: 0 0 12px rgba(62,224,255,.45); }
.heat-board { display: flex; flex-direction: column; gap: 12px; }
.heat-top, .heat-card, .heat-line {
 padding: 16px 18px;
 transition: transform .18s ease, border-color .18s ease;
}
.heat-top:hover, .heat-card:hover, .heat-line:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.heat-top { display: grid; grid-template-columns: 84px minmax(0,1fr); gap: 16px; align-items: center; }
.heat-split { display: grid; grid-template-columns: 1.4fr .75fr; gap: 12px; }
.big-rank { font-size: 40px; line-height: 1; font-weight: 800; color: var(--glow); }
.rank-line { font-weight: 700; }
.mini-facts { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 10px 0; }
.mini-facts li {
 font-size: 13px;
 color: var(--muted);
 border: 1px solid var(--line);
 border-radius: 10px;
 padding: 2px 8px;
}
.topic-board { display: grid; grid-template-columns: 1.45fr .8fr; gap: 16px; }
.topic-main { grid-row: span 2; padding: 22px; min-height: 280px; }
.topic-side { padding: 18px; transition: transform .18s ease, border-color .18s ease; }
.topic-main:hover, .topic-side:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.meter { margin-top: 18px; }
.meter + .meter { margin-top: 14px; }
.meter-label { display: flex; justify-content: space-between; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.review-board {
 display: grid;
 grid-template-columns: 1.15fr .9fr .8fr;
 gap: 16px;
 align-items: start;
}
.quote { padding: 18px; transition: transform .18s ease, border-color .18s ease; }
.quote:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.quote:nth-child(2) { margin-top: 28px; }
.quote:nth-child(3) { margin-top: 10px; }
.quote p { color: var(--text); font-size: 16px; }
.quote cite { display: block; margin-top: 12px; color: var(--muted); font-style: normal; font-size: 13px; }
.news-list { display: flex; flex-direction: column; gap: 10px; }
.news-row {
 display: grid;
 grid-template-columns: 88px minmax(0,1fr) auto;
 gap: 12px;
 align-items: center;
 padding: 14px 16px;
 transition: transform .18s ease, border-color .18s ease;
}
.news-row:hover { transform: translateY(-2px); border-color: var(--line-strong); color: var(--text); }
.news-title { font-weight: 700; font-size: 18px; }
.news-meta { color: var(--muted); font-size: 13px; }
.more-strip {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 16px;
 padding: 18px 20px;
}
.more-strip p { color: var(--muted); }
.cta-band {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 20px;
 padding: 28px;
 border-color: var(--line-strong);
 box-shadow: 0 0 24px rgba(62,224,255,.16), var(--shadow);
}
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-points { display: flex; gap: 18px; margin-top: 12px; color: var(--muted); font-size: 14px; }
.site-footer {
 background: #070A14;
 border-top: 1px solid var(--line);
 padding-top: 48px;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1.1fr; gap: 28px; padding-bottom: 28px; }
.site-footer h3 { font-size: 16px; }
.site-footer a:not(.brand) {
 display: block;
 color: var(--muted);
 padding: 4px 0;
 transition: color .15s ease;
}
.site-footer a:not(.brand):hover { color: var(--glow); }
.fine-print {
 color: var(--muted);
 font-size: 12px;
 padding-bottom: 28px;
 border-top: 1px solid rgba(120,190,255,.14);
 padding-top: 16px;
}
@media (max-width: 1199.98px) {
 .container { max-width: 960px; }
}
@media (max-width: 991.98px) {
 :root { --pad: 56px; }
 .compact-head, .topic-board, .review-board, .heat-split, .foot-grid { grid-template-columns: 1fr 1fr; }
 .topic-main { grid-row: auto; min-height: 0; }
 .quote:nth-child(2), .quote:nth-child(3) { margin-top: 0; }
 .review-board { grid-template-columns: 1fr; }
 .time-row { grid-template-columns: 64px 88px minmax(0,1fr); }
 .heat-side { grid-column: 1 / -1; }
 .cta-band, .more-strip { align-items: flex-start; }
}
@media (max-width: 767.98px) {
 :root { --header-h: 176px; --pad: 40px; }
 h1 { font-size: 32px; }
 h2 { font-size: 24px; }
 .topbar { height: auto; flex-wrap: wrap; padding-top: 10px; padding-bottom: 8px; }
 .brand { flex: 1 1 auto; }
 .nav-search { order: 3; flex: 1 1 100%; }
 .compact-head, .topic-board, .heat-split, .foot-grid, .heat-top { grid-template-columns: 1fr; }
 .time-row, .news-row { grid-template-columns: 1fr; }
 .cta-band, .more-strip { flex-direction: column; }
 .cta-points { flex-direction: column; gap: 4px; }
 .big-rank { font-size: 32px; }
}
@media (max-width: 575.98px) {
 :root { --header-h: 188px; }
 .brand-name { font-size: 14px; }
 .nav-cta { height: 36px; padding: 0 12px; }
 .pill b { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .time-row, .heat-top, .heat-card, .heat-line, .topic-main, .topic-side, .quote, .news-row, .btn-glow, .btn-ghost { 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}