/* roulang page: index */
:root {
  --bg: #070B14;
  --bg-2: #10182C;
  --bg-3: #16233D;
  --blue: #3D7EFF;
  --blue-2: #8FB4FF;
  --rose: #E28BA8;
  --text: #E8EEF9;
  --muted: #A9B6CE;
  --glass: rgba(255,255,255,.08);
  --glass-strong: rgba(255,255,255,.12);
  --line: rgba(255,255,255,.12);
  --radius: 16px;
  --pill: 999px;
  --shadow: 0 12px 32px rgba(0,0,0,.28);
  --glow: 0 0 22px rgba(61,126,255,.48);
  --gap: 24px;
  --pad: 72px;
  --max: 1160px;
}
*, *::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;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: 16px; color: var(--text); }
a { color: var(--blue-2); text-decoration: none; }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7,11,20,.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}
.logo::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: var(--glow);
}
.nav-panel {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
}
.nav-links a:hover, .nav-links a:focus-visible { color: #fff; background: var(--glass); }
.nav-links a.active { color: #fff; background: rgba(61,126,255,.16); }
.nav-cta { display: flex; gap: 10px; }
.menu-btn {
  display: none;
  margin-left: auto;
  height: 44px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--glass);
  color: #fff;
}
.btn {
  height: 44px;
  padding: 0 18px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-glow {
  background: var(--blue);
  color: #fff;
  box-shadow: var(--glow);
}
.btn-glow:hover, .btn-glow:focus-visible { color: #fff; transform: translateY(-2px); box-shadow: 0 0 28px rgba(61,126,255,.7); }
.btn-glow:active { transform: translateY(1px); }
.btn-ghost {
  background: var(--glass);
  color: #fff;
  border-color: var(--line);
}
.btn-ghost:hover, .btn-ghost:focus-visible { color: #fff; border-color: var(--blue); background: rgba(61,126,255,.16); }
.btn-ghost:active { transform: translateY(1px); }
.hero { position: relative; overflow: hidden; padding: 64px 0 72px; }
.orb {
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61,126,255,.35), transparent 68%);
  filter: blur(8px);
  pointer-events: none;
}
.orb-a { top: -160px; right: -80px; }
.orb-b { bottom: -200px; left: -120px; background: radial-gradient(circle, rgba(226,139,168,.16), transparent 70%); }
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  border-radius: var(--pill);
  background: rgba(226,139,168,.14);
  color: var(--rose);
  font-size: 13px;
}
h1 { margin: 14px 0 10px; font-size: 40px; line-height: 1.25; letter-spacing: .01em; }
.sub { margin: 0 0 12px; color: #fff; font-size: 18px; }
.lead { margin: 0 0 22px; color: var(--muted); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.adult-note {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(226,139,168,.35);
  background: rgba(226,139,168,.08);
  color: #F3D5DF;
  font-size: 14px;
}
.metric-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.metric, .card, .pick, .news-main, .news-item, .node, .device, .quote, .guard-item, .qcard, .acc-item, .step, .form-card, .night-side, .tag {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.metric { padding: 18px; }
.metric b { display: block; font-size: 28px; line-height: 1.2; color: #fff; }
.metric span { color: var(--muted); font-size: 14px; }
.section { padding: var(--pad) 0; }
.section.alt { background: linear-gradient(180deg, rgba(16,24,44,.96), rgba(16,24,44,.88)); }
.section-head { margin-bottom: 28px; max-width: 760px; }
h2 { margin: 0 0 10px; font-size: 28px; line-height: 1.35; }
.section-lead { margin: 0; color: var(--muted); }
.matrix { display: grid; grid-template-columns: 1.45fr .85fr .85fr; gap: var(--gap); }
.card, .qcard, .guard-item, .device, .quote, .step { padding: 22px; transition: transform .2s ease, border-color .2s ease; }
.card:hover, .pick:hover, .news-item:hover, .qcard:hover, .quote:hover, .device:hover, .tag:hover {
  transform: translateY(-4px);
  border-color: rgba(61,126,255,.75);
}
.card h3, .pick h3, .news-main h3, .news-item h3, .qcard h3, .device h3, .step h3 { margin: 12px 0 8px; font-size: 20px; line-height: 1.4; }
.card p, .pick p, .news-main p, .news-item p, .qcard p, .device p, .quote p, .step p, .guard-item p { margin: 0; color: var(--muted); }
.badge, .chip {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--pill);
  background: rgba(61,126,255,.16);
  color: var(--blue-2);
  font-size: 12px;
}
.badge.rose, .chip.rose, .score { background: rgba(226,139,168,.16); color: var(--rose); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.compare-col { padding: 8px 4px; }
.compare-col h3 { margin: 0 0 16px; font-size: 20px; }
.bar { margin-bottom: 16px; }
.bar-label { display: flex; justify-content: space-between; color: var(--muted); margin-bottom: 6px; font-size: 14px; }
.bar-track { height: 8px; border-radius: var(--pill); background: rgba(255,255,255,.08); overflow: hidden; }
.bar-fill { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #2E63CC, var(--blue)); }
.bar-fill.rose { background: linear-gradient(90deg, #A8647C, var(--rose)); }
.rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 300px);
  gap: var(--gap);
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}
.pick { scroll-snap-align: start; color: inherit; display: block; overflow: hidden; }
.pick:hover { color: inherit; }
.cover {
  aspect-ratio: 16/9;
  background:
    radial-gradient(circle at 30% 40%, rgba(61,126,255,.45), transparent 42%),
    linear-gradient(160deg, #121a2e, #070b14 70%);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  color: #d5def0;
  font-size: 13px;
}
.pick-body { padding: 16px; }
.meta-row, .chip-row, .foot-links, .tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.meta-row { margin-bottom: 8px; align-items: center; }
.score { font-weight: 700; }
.tag-row { gap: 12px; }
.tag {
  padding: 14px 16px;
  color: #fff;
  min-width: 140px;
}
.tag small { display: block; color: var(--muted); }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.node { padding: 20px; position: relative; }
.node em { display: block; color: var(--blue-2); font-style: normal; font-size: 13px; margin-bottom: 8px; }
.news { display: grid; grid-template-columns: 1.35fr .75fr; gap: var(--gap); }
.news-main, .news-item { color: inherit; display: block; }
.news-main { padding: 22px; min-height: 100%; }
.news-side { display: grid; gap: 16px; }
.news-item { padding: 16px 18px; }
.kicker { color: var(--rose); font-size: 13px; }
.device-grid, .quote-grid, .qgrid, .steps { display: grid; gap: var(--gap); }
.device-grid { grid-template-columns: repeat(3, 1fr); }
.icon-line { display: flex; align-items: center; gap: 10px; color: var(--blue-2); }
.icon-line svg { width: 28px; height: 28px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.night {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 32px;
  align-items: center;
}
.night-side { padding: 22px; }
.night-side li { margin: 10px 0; color: var(--muted); }
.quote-grid { grid-template-columns: repeat(3, 1fr); }
.quote b { color: var(--rose); }
.guard { display: grid; gap: 16px; }
.guard-item { display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: center; }
.guard-item strong { color: #fff; }
.qgrid { grid-template-columns: 1fr 1fr; }
.acc { display: grid; gap: 12px; }
.acc-item { overflow: hidden; }
.acc-item button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: #fff;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
}
.acc-item button i { color: var(--blue-2); font-style: normal; }
.acc-panel { display: none; padding: 0 20px 18px; color: var(--muted); }
.acc-item.open { border-color: rgba(61,126,255,.75); }
.acc-item.open .acc-panel { display: block; }
.steps { grid-template-columns: repeat(4, 1fr); }
.step span { color: var(--rose); font-size: 13px; }
.form-card { padding: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.field.full { grid-column: 1 / -1; }
.field span { color: var(--muted); }
input, select {
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(7,11,20,.45);
  padding: 0 12px;
}
input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(61,126,255,.45); outline: none; }
.check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); margin-bottom: 16px; }
.check input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--blue); }
.form-msg { display: none; margin-top: 14px; color: #d7e6ff; }
.form-msg.show { display: block; }
.site-footer { border-top: 1px solid var(--line); padding: 42px 0 28px; background: #080d18; }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.foot-links a { color: var(--muted); }
.foot-links a:hover { color: #fff; }
.copy { color: var(--muted); font-size: 14px; margin-top: 18px; }
@media (max-width: 1200px) {
  .matrix { grid-template-columns: 1fr 1fr; }
  .card-wide { grid-column: 1 / -1; }
}
@media (max-width: 992px) {
  .hero-grid, .compare, .news, .night, .quote-grid, .device-grid, .steps, .timeline { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .guard-item { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --pad: 40px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .menu-btn { display: inline-flex; }
  .nav-panel {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    background: rgba(16,24,44,.96);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    backdrop-filter: blur(16px);
  }
  .nav-panel.open { display: flex; }
  .nav-links, .nav-cta { flex-direction: column; align-items: stretch; }
  .hero-grid, .matrix, .compare, .news, .night, .quote-grid, .device-grid, .qgrid, .steps, .timeline, .form-row { grid-template-columns: 1fr; }
  .metric-board { grid-template-columns: 1fr 1fr; }
  .hero-actions, .nav-cta .btn { width: 100%; }
  .foot-grid { flex-direction: column; }
}
@media (max-width: 480px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  h1 { font-size: 30px; }
  .metric-board, .timeline { grid-template-columns: 1fr; }
  .card, .form-card { padding: 16px; }
}

/* roulang page: category1 */
:root {
 --bg: #070B14;
 --bg-2: #10182C;
 --bg-3: #16233D;
 --blue: #3D7EFF;
 --blue-2: #8FB4FF;
 --rose: #E28BA8;
 --text: #E8EEF9;
 --muted: #A9B6CE;
 --glass: rgba(255,255,255,.08);
 --glass-strong: rgba(255,255,255,.12);
 --line: rgba(255,255,255,.12);
 --radius: 16px;
 --pill: 999px;
 --shadow: 0 12px 32px rgba(0,0,0,.28);
 --glow: 0 0 22px rgba(61,126,255,.48);
 --gap: 24px;
 --pad: 72px;
 --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background:
  radial-gradient(900px 420px at 100% -10%, rgba(61,126,255,.18), transparent 60%),
  var(--bg);
 color: var(--text);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: 16px; color: var(--text); }
a { color: var(--blue-2); text-decoration: none; }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: rgba(7,11,20,.72);
 border-bottom: 1px solid var(--line);
 backdrop-filter: blur(18px);
}
.nav {
 min-height: 72px;
 display: flex;
 align-items: center;
 gap: 20px;
}
.logo {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 color: #fff;
 font-weight: 700;
 letter-spacing: .02em;
 white-space: nowrap;
}
.logo::before {
 content: "";
 width: 10px;
 height: 10px;
 border-radius: 50%;
 background: var(--blue);
 box-shadow: var(--glow);
}
.nav-panel {
 margin-left: auto;
 display: flex;
 align-items: center;
 gap: 22px;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
 color: var(--muted);
 padding: 8px 12px;
 border-radius: 10px;
}
.nav-links a:hover, .nav-links a:focus-visible { color: #fff; background: var(--glass); }
.nav-links a.active { color: #fff; background: rgba(61,126,255,.16); }
.nav-cta { display: flex; gap: 10px; }
.menu-btn {
 display: none;
 margin-left: auto;
 height: 44px;
 padding: 0 14px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: var(--glass);
 color: #fff;
 cursor: pointer;
}
.menu-btn:hover, .menu-btn:focus-visible { border-color: var(--blue); }
.menu-btn:active { transform: translateY(1px); }
.btn {
 height: 44px;
 padding: 0 18px;
 border-radius: var(--pill);
 border: 1px solid transparent;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-glow {
 background: var(--blue);
 color: #fff;
 box-shadow: var(--glow);
}
.btn-glow:hover, .btn-glow:focus-visible { color: #fff; transform: translateY(-2px); box-shadow: 0 0 28px rgba(61,126,255,.7); }
.btn-glow:active { transform: translateY(1px); }
.btn-ghost {
 background: var(--glass);
 color: #fff;
 border-color: var(--line);
}
.btn-ghost:hover, .btn-ghost:focus-visible { color: #fff; border-color: var(--blue); background: rgba(61,126,255,.16); }
.btn-ghost:active { transform: translateY(1px); }
.section { padding: var(--pad) 0; }
.section.alt { background: linear-gradient(180deg, rgba(16,24,44,.96), rgba(16,24,44,.88)); }
.section-head { margin-bottom: 28px; max-width: 760px; }
h1 { margin: 12px 0 10px; font-size: 40px; line-height: 1.25; letter-spacing: -.02em; }
h2 { margin: 0 0 10px; font-size: 28px; line-height: 1.35; }
h3 { margin: 12px 0 8px; font-size: 20px; line-height: 1.4; }
p { margin: 0; }
.muted, .section-lead, .card p, .scene p, .cond p { color: var(--muted); }
.eyebrow, .badge, .chip {
 display: inline-flex;
 align-items: center;
 height: 26px;
 padding: 0 10px;
 border-radius: var(--pill);
 background: rgba(61,126,255,.16);
 color: var(--blue-2);
 font-size: 12px;
}
.eyebrow { height: 28px; padding: 0 12px; background: rgba(226,139,168,.14); color: var(--rose); font-size: 13px; }
.badge.rose, .chip.rose, .score { background: rgba(226,139,168,.16); color: var(--rose); }
.cat-head {
 display: grid;
 grid-template-columns: 1.35fr .65fr;
 gap: 28px;
 align-items: end;
}
.summary, .card, .scene, .cond, .privacy-bar, .cta-bar, .filter-bar, .update-list {
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 backdrop-filter: blur(14px);
}
.summary { padding: 22px; }
.summary h2 { font-size: 18px; margin-bottom: 14px; }
.summary ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.summary li {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 padding-bottom: 10px;
 border-bottom: 1px solid var(--line);
 color: var(--muted);
}
.summary li:last-child { border-bottom: 0; padding-bottom: 0; }
.summary strong { color: #fff; font-weight: 600; }
.filter-bar {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 18px;
 padding: 18px;
}
.filter-group span { display: block; margin-bottom: 10px; color: #fff; font-size: 14px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { height: 32px; padding: 0 12px; color: var(--muted); background: rgba(255,255,255,.04); border: 1px solid transparent; }
.chip.on { color: #fff; border-color: rgba(61,126,255,.7); background: rgba(61,126,255,.18); }
.list-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.card { overflow: hidden; transition: transform .2s ease, border-color .2s ease; }
.card:hover, .scene:hover { transform: translateY(-4px); border-color: rgba(61,126,255,.75); }
.cover {
 aspect-ratio: 16/9;
 background:
  linear-gradient(160deg, rgba(61,126,255,.28), transparent 42%),
  linear-gradient(180deg, #121a2e, #070b14 80%);
 position: relative;
}
.cover i {
 position: absolute;
 left: 14px;
 bottom: 14px;
 font-style: normal;
 color: var(--rose);
 font-size: 13px;
 letter-spacing: .08em;
}
.card-body { padding: 16px 18px 18px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }
.card h3 a { color: #fff; }
.card h3 a:hover { color: var(--blue-2); }
.more-row { display: flex; justify-content: flex-end; margin-top: 22px; }
.scene-list { display: grid; gap: 14px; }
.scene {
 display: grid;
 grid-template-columns: 120px 1fr auto;
 gap: 18px;
 align-items: center;
 padding: 18px 20px;
 color: inherit;
}
.scene strong { color: #fff; }
.scene em { font-style: normal; color: var(--rose); font-size: 13px; }
.cond-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.cond { padding: 22px; }
.cond b { display: block; color: var(--blue-2); font-size: 13px; font-weight: 600; }
.update-list { padding: 8px 22px; }
.update-list li {
 list-style: none;
 display: grid;
 grid-template-columns: 92px 1fr;
 gap: 16px;
 padding: 16px 0;
 border-bottom: 1px solid var(--line);
}
.update-list { margin: 0; }
.update-list li:last-child { border-bottom: 0; }
.update-list time { color: var(--rose); }
.privacy-bar, .cta-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 padding: 18px 22px;
}
.privacy-bar p, .cta-bar p { color: var(--muted); }
.adult-note { color: var(--muted); margin-top: 12px; }
.site-footer {
 border-top: 1px solid var(--line);
 padding: 36px 0 22px;
 background: #080d18;
}
.foot-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.foot-links a { color: var(--muted); }
.foot-links a:hover { color: #fff; }
.copy { margin-top: 22px; color: var(--muted); font-size: 13px; }
@media (max-width: 1200px) {
 .container { width: min(var(--max), calc(100% - 32px)); }
}
@media (max-width: 1024px) {
 h1 { font-size: 34px; }
 .cat-head, .cond-grid { grid-template-columns: 1fr; }
}
@media (max-width: 992px) {
 .filter-bar, .list-grid { grid-template-columns: 1fr; }
 .scene { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 768px) {
 :root { --pad: 40px; }
 .menu-btn { display: inline-flex; align-items: center; }
 .nav-panel {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 72px;
  padding: 12px 20px 18px;
  background: rgba(7,11,20,.96);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  align-items: stretch;
 }
 .nav-panel.open { display: flex; }
 .nav-links, .nav-cta { flex-direction: column; align-items: stretch; }
 .foot-grid, .privacy-bar, .cta-bar { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
 h1 { font-size: 30px; }
 h2 { font-size: 24px; }
 .update-list li { grid-template-columns: 1fr; gap: 4px; }
 .container { width: min(var(--max), calc(100% - 24px)); }
}
@media (max-width: 480px) {
 .nav { min-height: 64px; }
 .nav-panel { top: 64px; }
}