/* roulang page: index */
:root {
  --bg: #071018;
  --bg-2: #102033;
  --bg-3: #0c1a2b;
  --line: rgba(186,214,255,.16);
  --text: #E7EEF8;
  --muted: #9AA8BD;
  --blue: #4C8DFF;
  --blue-2: #7EB0FF;
  --mark: #D989A3;
  --glass: rgba(14,28,46,.58);
  --glow: 0 0 24px rgba(76,141,255,.42);
  --glow-soft: 0 0 18px rgba(76,141,255,.22);
  --radius: 16px;
  --header: 72px;
  --pad-y: 64px;
  --sans: "PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  min-width: 320px;
}
img { max-width: 100%; display: block; border-radius: var(--radius); }
button, input { font-family: inherit; font-size: 16px; }
a { color: var(--blue-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
h1, h2, h3, p { margin: 0; }
h1 { font-size: 32px; line-height: 40px; font-weight: 700; letter-spacing: 0; }
h2 { font-size: 24px; line-height: 32px; font-weight: 700; }
h3 { font-size: 18px; line-height: 1.5; font-weight: 700; }
::selection { background: rgba(76,141,255,.35); color: #fff; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: var(--pad-y) 0; position: relative; }
.section + .section { border-top: 1px solid var(--line); }
.section:nth-of-type(even) { background: rgba(16,32,51,.45); }
.lead { color: var(--muted); margin-top: 12px; max-width: 760px; }
.eyebrow, .meta, .scribble, .num, .badge, .logo-sub { font-size: 13px; line-height: 1.6; }
.eyebrow { display: flex; align-items: center; gap: 8px; color: var(--mark); margin-bottom: 12px; letter-spacing: .08em; }
.num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 28px; height: 22px; padding: 0 6px;
  border: 1px solid rgba(217,137,163,.5); border-radius: 999px; color: var(--mark);
}
.mark {
  background-image: linear-gradient(transparent 68%, rgba(217,137,163,.75) 68%);
}
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  box-shadow: var(--glow-soft);
}
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  background: rgba(7,16,24,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { height: var(--header); display: flex; align-items: center; gap: 16px; }
.logo { display: flex; flex-direction: column; justify-content: center; color: var(--text); text-decoration: none; min-width: 0; }
.logo:hover { color: var(--blue-2); text-decoration: none; }
.logo-name { font-size: 15px; font-weight: 700; line-height: 1.25; }
.logo-sub { color: var(--mark); }
.nav-pills { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-tools { display: flex; align-items: center; gap: 10px; margin-left: 10px; }
.pill, .btn, .menu-btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, filter .15s ease, border-color .15s ease, background .15s ease, opacity .15s ease;
  border: 1px solid transparent; min-height: 44px;
}
.pill {
  color: var(--text); border-color: var(--line); background: rgba(7,16,24,.35);
  padding: 0 16px; white-space: nowrap;
}
.pill:hover { color: var(--blue-2); border-color: var(--blue); text-decoration: none; transform: translateY(-1px); }
.pill:active, .btn:active, .menu-btn:active { transform: none; }
.btn-glow {
  background: var(--blue); color: #f7fbff; padding: 0 22px; font-weight: 700;
  box-shadow: var(--glow); min-height: 48px;
}
.btn-glow:hover { filter: brightness(1.12); transform: translateY(-1px); text-decoration: none; color: #fff; }
.btn-glass {
  background: var(--glass); color: var(--text); border-color: var(--line); padding: 0 18px;
  backdrop-filter: blur(10px);
}
.btn-glass:hover { color: var(--blue-2); border-color: var(--blue-2); text-decoration: none; transform: translateY(-1px); }
.btn:disabled, .is-disabled { opacity: .45; pointer-events: none; }
.menu-btn {
  display: none; background: transparent; color: var(--text); border-color: var(--line); padding: 0 14px;
}
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  border-radius: 999px; padding: 2px 8px; border: 1px solid rgba(217,137,163,.45);
  color: var(--mark); background: rgba(217,137,163,.08);
}
.badge.blue { color: var(--blue-2); border-color: rgba(126,176,255,.4); background: rgba(76,141,255,.1); }
.hero-grid, .split-7, .split-8, .rep-grid, .device-layout, .plan-layout {
  display: grid; gap: 20px; align-items: start;
}
.hero-grid { grid-template-columns: minmax(0,1.45fr) minmax(240px,.55fr); }
.sub { margin-top: 10px; font-size: 18px; line-height: 1.6; }
.intro { margin-top: 14px; color: var(--muted); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.note-side { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.scribble {
  margin: 0; padding-bottom: 12px; border-bottom: 1px dashed rgba(217,137,163,.35);
  color: var(--text); transform: rotate(-0.4deg);
}
.scribble:last-child { border-bottom: 0; padding-bottom: 0; }
.scribble b { color: var(--mark); font-weight: 700; }
.feature-grid { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 16px; margin-top: 22px; }
.span-8 { grid-column: span 8; }
.span-4 { grid-column: span 4; }
.span-12 { grid-column: span 12; }
.pad { padding: 20px; }
.chip-row, .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; color: var(--blue-2); font-size: 13px;
}
.field-label { display: block; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
input {
  width: 100%; background: #071018; color: var(--text);
  border: 1px solid rgba(186,214,255,.28); border-radius: 12px;
  min-height: 44px; padding: 0 12px;
}
input:focus { border-color: var(--blue); box-shadow: var(--glow); outline: none; }
.v-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.v-list span {
  display: flex; justify-content: space-between; gap: 8px;
  border-left: 2px solid var(--mark); padding: 6px 0 6px 10px; color: var(--text);
}
.record {
  display: grid; grid-template-columns: 1.3fr .7fr; gap: 16px; align-items: center;
}
.bar { height: 8px; border-radius: 999px; background: rgba(186,214,255,.12); overflow: hidden; margin-top: 10px; }
.bar i { display: block; height: 100%; width: 46%; background: linear-gradient(90deg, var(--blue), var(--blue-2)); }
.scene-rail {
  margin-top: 22px; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px,1fr);
  gap: 12px; overflow-x: auto; padding-bottom: 6px;
}
.scene-rail article { padding: 16px; min-height: 180px; }
.scene-rail h3 { margin-bottom: 8px; }
.scene-rail p { color: var(--muted); font-size: 15px; }
.browser { overflow: hidden; margin-top: 22px; }
.browser-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 14px;
  border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px;
}
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--mark); display: block; }
.browser-bar i:nth-child(2) { background: var(--blue-2); }
.browser-bar i:nth-child(3) { background: var(--blue); }
.browser-body { display: grid; grid-template-columns: 28px 1fr; }
.ruler {
  background-image: repeating-linear-gradient(to bottom, rgba(217,137,163,.8) 0 1px, transparent 1px 18px);
  margin: 12px 0 12px 10px;
}
.shot { margin: 12px; }
.shot img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.shot figcaption { color: var(--muted); font-size: 13px; margin-top: 8px; }
.ts-grid { margin-top: 16px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; }
.ts-grid article { padding: 16px; }
.ts-grid strong { color: var(--mark); font-size: 13px; }
.split-7 { grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); margin-top: 22px; }
.index-list { list-style: none; margin: 0; padding: 8px; }
.index-list a {
  display: grid; grid-template-columns: 52px 1fr; gap: 8px;
  padding: 12px; border-radius: 12px; color: var(--text); text-decoration: none;
}
.index-list a:hover { background: rgba(76,141,255,.08); color: var(--blue-2); }
.index-list em { color: var(--mark); font-style: normal; }
.summary-card { padding: 20px; }
.summary-card .kvs { margin-top: 14px; display: grid; gap: 8px; }
.summary-card .kvs div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.cmp { margin-top: 18px; }
.cmp-row {
  display: grid; grid-template-columns: 120px 1fr; gap: 16px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.cmp-row dt { color: var(--mark); font-weight: 700; }
.cmp-row dd { margin: 0; color: var(--text); }
.case-stack { margin-top: 22px; display: grid; gap: 18px; }
.case-card { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(220px,.7fr); gap: 16px; padding: 16px; }
.case-card:nth-child(2) { margin-left: 7%; }
.stat { font-size: 32px; line-height: 1.2; font-weight: 700; color: var(--blue-2); }
.plan-layout { grid-template-columns: 1.35fr .85fr .7fr; margin-top: 22px; }
.plan { padding: 22px; min-height: 280px; display: flex; flex-direction: column; }
.plan.hot { border-color: rgba(76,141,255,.55); box-shadow: var(--glow); }
.price { font-size: 36px; line-height: 1.1; font-weight: 700; margin: 10px 0; }
.price small { font-size: 14px; color: var(--muted); font-weight: 400; }
.plan ul, .side-note ul { margin: 10px 0 18px; padding-left: 18px; color: var(--muted); }
.side-note { padding: 18px; color: var(--muted); }
.masonry { margin-top: 22px; columns: 3; column-gap: 14px; }
.review { break-inside: avoid; margin-bottom: 14px; padding: 16px; display: inline-block; width: 100%; }
.review:nth-child(3n) { min-height: 180px; }
.review:nth-child(2n) { min-height: 150px; }
.review p { margin-top: 8px; }
.rep-grid { grid-template-columns: 1.4fr .8fr; margin-top: 22px; }
.big-quote { font-size: 28px; line-height: 1.45; font-weight: 700; padding: 28px; }
.anno { padding: 8px 8px 8px 0; }
.anno div { padding: 14px 8px 14px 12px; border-left: 2px solid var(--blue); margin-bottom: 8px; }
.anno b { display: block; color: var(--blue-2); font-size: 22px; line-height: 1.3; }
.device-layout { grid-template-columns: 1.55fr .75fr; margin-top: 22px; }
.timeline { padding: 8px 8px 8px 0; }
.tl-item { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 8px 0 18px; }
.tl-item time { color: var(--mark); }
.tl-item div { border-left: 1px solid var(--line); padding-left: 14px; }
.acc { margin-top: 16px; padding: 0 16px; }
.acc summary {
  cursor: pointer; min-height: 52px; display: flex; align-items: center;
  font-weight: 700; list-style: none;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "＋"; margin-left: auto; color: var(--blue-2); font-weight: 400; }
.acc[open] { border-left: 3px solid var(--mark); }
.acc[open] summary::after { content: "－"; }
.acc .acc-body { color: var(--muted); padding: 0 0 16px; }
.topic-row { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.topic-btn {
  min-height: 92px; border-radius: 16px; padding: 18px 22px;
  font-size: 22px; line-height: 1.35; font-weight: 700; text-align: left;
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
}
.topic-btn small { font-size: 13px; font-weight: 400; color: var(--muted); }
.news { list-style: none; margin: 18px 0 0; padding: 0; }
.news li { border-bottom: 1px solid var(--line); }
.news a.row {
  display: grid; grid-template-columns: 88px 1fr; gap: 12px;
  padding: 16px 4px; color: var(--text); text-decoration: none;
}
.news a.row:hover { color: var(--blue-2); }
.news a.row:hover strong { text-decoration: underline; }
.more { margin-top: 16px; }
.cta-band {
  margin-top: 8px; padding: 28px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: center;
  box-shadow: var(--glow);
}
.form-grid { display: grid; gap: 12px; }
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 28px; background: #08131f; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr; gap: 24px; }
.foot-grid h2 { font-size: 18px; }
.foot-grid a { display: block; color: var(--blue-2); padding: 4px 0; }
.legal { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
@media (min-width: 1024px) {
  :root { --pad-y: 96px; }
  h1 { font-size: 48px; line-height: 56px; }
}
@media (max-width: 1023px) {
  .masonry { columns: 2; }
  .case-card:nth-child(2) { margin-left: 0; }
  .plan-layout, .big-quote { font-size: 24px; }
}
@media (max-width: 767px) {
  .menu-btn { display: inline-flex; }
  .nav-pills {
    display: none; position: absolute; top: var(--header); left: 0; right: 0;
    flex-direction: column; align-items: stretch; padding: 12px 16px 16px;
    background: rgba(7,16,24,.96); border-bottom: 1px solid var(--line); margin: 0;
  }
  body.nav-open .nav-pills { display: flex; }
  .nav-pills .pill { width: 100%; }
  .glass { backdrop-filter: blur(6px); }
  .hero-grid, .split-7, .rep-grid, .device-layout, .plan-layout, .case-card, .record, .cta-band, .topic-row, .foot-grid, .ts-grid, .cmp-row {
    grid-template-columns: 1fr;
  }
  .span-8, .span-4, .span-12 { grid-column: 1 / -1; }
  .masonry { columns: 1; }
  .logo-name { font-size: 12px; max-width: 9.2em; }
  .scene-rail { grid-auto-columns: 78%; }
  .tl-item { grid-template-columns: 72px 1fr; }
  .news a.row { grid-template-columns: 1fr; }
  .topic-btn { font-size: 18px; min-height: 80px; }
}
@media (max-width: 639px) {
  .container { width: calc(100% - 24px); }
  .btn-glow, .btn-glass { width: 100%; }
  .btn-row .btn { width: auto; }
  .nav-tools .btn-glow { width: auto; padding: 0 14px; min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category2 */
:root {
 --bg: #071018;
 --bg-2: #102033;
 --bg-3: #0c1a2b;
 --line: rgba(186,214,255,.16);
 --text: #E7EEF8;
 --muted: #9AA8BD;
 --blue: #4C8DFF;
 --blue-2: #7EB0FF;
 --mark: #D989A3;
 --glass: rgba(14,28,46,.58);
 --glow: 0 0 24px rgba(76,141,255,.42);
 --glow-soft: 0 0 18px rgba(76,141,255,.22);
 --radius: 16px;
 --header: 72px;
 --pad-y: 64px;
 --sans: "PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
 color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: var(--sans);
 font-size: 16px;
 line-height: 1.75;
 min-width: 320px;
}
img { max-width: 100%; display: block; border-radius: var(--radius); }
button, input { font-family: inherit; font-size: 16px; }
a { color: var(--blue-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
 outline: 2px solid var(--blue);
 outline-offset: 2px;
}
h1, h2, h3, p { margin: 0; }
h1 { font-size: 32px; line-height: 40px; font-weight: 700; }
h2 { font-size: 24px; line-height: 32px; font-weight: 700; }
h3 { font-size: 18px; line-height: 1.5; font-weight: 700; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: var(--pad-y) 0; position: relative; }
.section + .section { border-top: 1px solid var(--line); }
.section:nth-of-type(even) { background: rgba(16,32,51,.45); }
.lead { color: var(--muted); margin-top: 12px; max-width: 760px; }
.eyebrow, .meta, .scribble, .num, .badge, .logo-sub { font-size: 13px; line-height: 1.6; }
.eyebrow { display: flex; align-items: center; gap: 8px; color: var(--mark); margin-bottom: 12px; letter-spacing: .08em; }
.markline { box-shadow: inset 0 -0.35em 0 rgba(217,137,163,.45); }
.site-header {
 position: sticky; top: 0; z-index: 50;
 height: var(--header);
 background: rgba(7,16,24,.92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid var(--line);
}
.nav-inner { height: var(--header); display: flex; align-items: center; gap: 16px; position: relative; }
.logo { display: flex; flex-direction: column; justify-content: center; color: var(--text); text-decoration: none; min-width: 0; }
.logo:hover { color: var(--blue-2); text-decoration: none; }
.logo-name { font-size: 15px; font-weight: 700; line-height: 1.25; }
.logo-sub { color: var(--mark); }
.nav-pills { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-tools { display: flex; align-items: center; gap: 10px; margin-left: 10px; }
.pill, .btn, .menu-btn {
 display: inline-flex; align-items: center; justify-content: center;
 border-radius: 999px; text-decoration: none; cursor: pointer;
 transition: transform .15s ease, filter .15s ease, border-color .15s ease, background .15s ease, opacity .15s ease;
 border: 1px solid transparent; min-height: 44px;
}
.pill {
 color: var(--text); border-color: var(--line); background: rgba(7,16,24,.35);
 padding: 0 16px; white-space: nowrap;
}
.pill:hover { color: var(--blue-2); border-color: var(--blue); text-decoration: none; transform: translateY(-1px); }
.pill.is-active { color: #fff; background: rgba(76,141,255,.22); border-color: var(--blue); box-shadow: var(--glow-soft); }
.pill:active, .btn:active, .menu-btn:active { transform: none; }
.btn-glow {
 background: var(--blue); color: #f7fbff; padding: 0 22px; font-weight: 700;
 box-shadow: var(--glow); min-height: 48px;
}
.btn-glow:hover { filter: brightness(1.12); transform: translateY(-1px); text-decoration: none; color: #fff; }
.btn-glass {
 background: var(--glass); color: var(--text); border-color: var(--line); padding: 0 18px;
 backdrop-filter: blur(10px);
}
.btn-glass:hover { color: var(--blue-2); border-color: var(--blue-2); text-decoration: none; transform: translateY(-1px); }
.btn:disabled, .is-disabled { opacity: .45; pointer-events: none; }
.menu-btn {
 display: none; background: transparent; color: var(--text); border-color: var(--line); padding: 0 14px;
}
.badge {
 display: inline-flex; align-items: center; gap: 4px;
 border-radius: 999px; padding: 2px 8px; border: 1px solid rgba(217,137,163,.45);
 color: var(--mark); background: rgba(217,137,163,.08);
}
.badge.blue { color: var(--blue-2); border-color: rgba(126,176,255,.4); background: rgba(76,141,255,.1); }
.glass {
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--glow-soft);
 backdrop-filter: blur(14px);
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.chip-row, .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
 border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; color: var(--blue-2); font-size: 13px;
 text-decoration: none; min-height: 44px; display: inline-flex; align-items: center;
 background: rgba(7,16,24,.35);
}
.chip:hover { border-color: var(--blue); color: #fff; text-decoration: none; transform: translateY(-1px); }
.head-bar { display: grid; grid-template-columns: minmax(0,1.6fr) minmax(240px,.7fr); gap: 20px; align-items: end; }
.head-note { padding: 18px 18px 16px; }
.head-note p { margin-top: 12px; color: var(--text); }
.note-row { display: flex; flex-wrap: wrap; gap: 8px; }
.kicker-count { color: var(--muted); font-size: 13px; margin-top: 8px; }
.collect-grid { display: grid; grid-template-columns: minmax(0,1.45fr) minmax(260px,.7fr); gap: 16px; margin-top: 22px; align-items: stretch; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.mini { padding: 16px 16px 14px; display: grid; grid-template-columns: 48px 1fr; gap: 10px; align-items: start; }
.mini:hover { border-color: rgba(126,176,255,.45); }
.num {
 width: 42px; height: 42px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center;
 color: var(--mark); border: 1px solid rgba(217,137,163,.45); background: rgba(217,137,163,.08); font-style: normal;
}
.frame {
 margin-top: 16px; aspect-ratio: 16/9; border-radius: var(--radius); border: 1px solid var(--line);
 background:
 linear-gradient(180deg, rgba(7,16,24,.1), rgba(7,16,24,.55)),
 linear-gradient(120deg, rgba(76,141,255,.35), rgba(16,32,51,.2) 46%, rgba(217,137,163,.22));
 box-shadow: var(--glow-soft);
 display: flex; align-items: flex-end; justify-content: space-between; padding: 16px;
 position: relative; overflow: hidden;
}
.frame::before {
 content: ""; position: absolute; inset: 12px auto 12px 12px; width: 10px;
 background: repeating-linear-gradient(to bottom, rgba(186,214,255,.45) 0 1px, transparent 1px 14px);
}
.frame strong { font-size: 13px; color: var(--text); }
.main-copy { padding: 22px; }
.kv { margin-top: 14px; display: grid; gap: 8px; }
.kv div, .order-line, .news-row {
 display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.kv div { border-bottom: 1px solid var(--line); padding-bottom: 8px; color: var(--muted); }
.kv b { color: var(--text); font-weight: 600; }
.rail { margin-top: 18px; display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; }
.rail article { padding: 16px; min-height: 132px; }
.rail em { color: var(--mark); font-style: normal; font-size: 13px; }
.scene-wrap { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.order-list { margin-top: 18px; display: grid; gap: 0; }
.order-line {
 padding: 16px 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--text);
}
.order-line:hover { color: var(--blue-2); }
.order-line span { color: var(--mark); width: 72px; flex: none; font-size: 13px; }
.rep-layout { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(240px,.7fr); gap: 16px; margin-top: 18px; }
.quote { padding: 28px 24px; }
.quote p { font-size: 22px; line-height: 1.6; }
.quote footer { margin-top: 16px; color: var(--muted); font-size: 13px; }
.side-notes { display: flex; flex-direction: column; gap: 12px; }
.side-notes article { padding: 16px 18px; border-left: 3px solid var(--mark); }
.news-list { margin-top: 8px; }
.news-row {
 padding: 16px 8px; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none;
 display: grid; grid-template-columns: 52px 1fr auto; gap: 12px;
}
.news-row:hover { color: var(--blue-2); background: rgba(76,141,255,.06); }
.news-row em { color: var(--mark); font-style: normal; }
.cta-band {
 padding: 28px; display: flex; justify-content: space-between; gap: 18px; align-items: center;
 box-shadow: var(--glow);
}
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 28px; background: #050c14; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 28px; }
.site-footer h2 { font-size: 18px; line-height: 1.4; margin-bottom: 10px; }
.site-footer a { display: block; margin: 6px 0; }
.legal { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.site-url a { color: var(--blue-2); }
@media (min-width: 1024px) {
 :root { --pad-y: 96px; }
 h1 { font-size: 48px; line-height: 56px; }
}
@media (max-width: 1023px) {
 .rail { grid-template-columns: 1fr 1fr; }
 .quote p { font-size: 20px; }
}
@media (max-width: 767px) {
 .menu-btn { display: inline-flex; }
 .nav-pills {
 display: none; position: absolute; top: var(--header); left: 0; right: 0;
 flex-direction: column; align-items: stretch; gap: 8px; margin-left: 0;
 padding: 12px 16px 16px; background: rgba(7,16,24,.96);
 border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); z-index: 40;
 }
 .nav-pills.is-open { display: flex; }
 .pill { width: 100%; }
 .logo-name { font-size: 13px; max-width: 46vw; }
 .glass { backdrop-filter: blur(6px); }
 .head-bar, .collect-grid, .rep-layout, .foot-grid, .cta-band { grid-template-columns: 1fr; display: grid; }
 .cta-band { align-items: flex-start; }
 .rail { grid-template-columns: 1fr; }
 .news-row { grid-template-columns: 40px 1fr; }
 .news-row .meta { grid-column: 2; }
}
@media (max-width: 520px) {
 .container { width: min(1180px, calc(100% - 20px)); }
 h1 { font-size: 30px; line-height: 38px; }
 .btn-row .btn { width: 100%; }
}

/* roulang page: category1 */
:root {
  --bg: #071018;
  --bg-2: #102033;
  --bg-3: #0c1a2b;
  --line: rgba(186,214,255,.16);
  --text: #E7EEF8;
  --muted: #9AA8BD;
  --blue: #4C8DFF;
  --blue-2: #7EB0FF;
  --mark: #D989A3;
  --glass: rgba(14,28,46,.58);
  --glow: 0 0 24px rgba(76,141,255,.42);
  --glow-soft: 0 0 18px rgba(76,141,255,.22);
  --radius: 16px;
  --header: 72px;
  --pad-y: 64px;
  --sans: "PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 8% -10%, rgba(76,141,255,.16), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  min-width: 320px;
}
img { max-width: 100%; display: block; border-radius: var(--radius); }
button, input, select { font-family: inherit; font-size: 16px; color: inherit; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 32px; line-height: 40px; font-weight: 700; }
h2 { font-size: 24px; line-height: 32px; font-weight: 700; }
h3 { font-size: 18px; line-height: 1.5; font-weight: 700; }
a { color: var(--blue-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: var(--pad-y) 0; position: relative; }
main > .section + .section { border-top: 1px solid var(--line); }
main > .section:nth-of-type(even) { background: rgba(16,32,51,.45); }
.lead { color: var(--muted); margin-top: 12px; max-width: 760px; }
.eyebrow, .meta, .scribble, .num, .badge, .logo-sub { font-size: 13px; line-height: 1.6; }
.eyebrow { display: flex; align-items: center; gap: 8px; color: var(--mark); margin-bottom: 12px; letter-spacing: .08em; }
.meta { color: var(--muted); }
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header);
  background: rgba(7,16,24,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { height: var(--header); display: flex; align-items: center; gap: 16px; }
.logo { display: flex; flex-direction: column; justify-content: center; color: var(--text); text-decoration: none; min-width: 0; }
.logo:hover { color: var(--blue-2); text-decoration: none; }
.logo-name { font-size: 15px; font-weight: 700; line-height: 1.25; }
.logo-sub { color: var(--mark); }
.nav-pills { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-tools { display: flex; align-items: center; gap: 10px; margin-left: 10px; }
.pill, .btn, .menu-btn, .filter-btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, filter .15s ease, border-color .15s ease, background .15s ease, opacity .15s ease, box-shadow .15s ease;
  border: 1px solid transparent; min-height: 44px;
}
.pill {
  color: var(--text); border-color: var(--line); background: rgba(7,16,24,.35);
  padding: 0 16px; white-space: nowrap;
}
.pill:hover, .filter-btn:hover { color: var(--blue-2); border-color: var(--blue); text-decoration: none; transform: translateY(-1px); }
.pill:active, .btn:active, .menu-btn:active, .filter-btn:active { transform: none; }
.pill.is-active, .pill[aria-current="page"] {
  color: #f7fbff;
  border-color: var(--blue);
  background: rgba(76,141,255,.22);
  box-shadow: var(--glow-soft);
}
.btn-glow {
  background: var(--blue); color: #f7fbff; padding: 0 22px; font-weight: 700;
  box-shadow: var(--glow); min-height: 48px;
}
.btn-glow:hover { filter: brightness(1.12); transform: translateY(-1px); text-decoration: none; color: #fff; }
.btn-glass {
  background: var(--glass); color: var(--text); border-color: var(--line); padding: 0 18px;
  backdrop-filter: blur(10px);
}
.btn-glass:hover { color: var(--blue-2); border-color: var(--blue-2); text-decoration: none; transform: translateY(-1px); }
.btn:disabled, .is-disabled { opacity: .45; pointer-events: none; }
.menu-btn {
  display: none; background: transparent; color: var(--text); border-color: var(--line); padding: 0 14px;
}
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  border-radius: 999px; padding: 2px 8px; border: 1px solid rgba(217,137,163,.45);
  color: var(--mark); background: rgba(217,137,163,.08); white-space: nowrap;
}
.badge.blue { color: var(--blue-2); border-color: rgba(126,176,255,.4); background: rgba(76,141,255,.1); }
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  box-shadow: var(--glow-soft);
}
.mark-u {
  background-image: linear-gradient(var(--mark), var(--mark));
  background-repeat: no-repeat;
  background-size: 100% 2px;
  background-position: 0 92%;
}
.tag-row, .chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
input, select {
  width: 100%;
  background: #071018;
  color: var(--text);
  border: 1px solid rgba(186,214,255,.28);
  border-radius: 12px;
  min-height: 44px;
  padding: 0 12px;
}
select {
  width: auto;
  min-width: 148px;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--blue-2) 50%), linear-gradient(135deg, var(--blue-2) 50%, transparent 50%);
  background-position: calc(100% - 18px) 19px, calc(100% - 12px) 19px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 32px;
}
input:focus, select:focus { border-color: var(--blue); box-shadow: var(--glow); outline: none; }
.cat-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px 28px;
  align-items: end;
}
.cat-tools { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: flex-end; }
.count-pill {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(7,16,24,.45);
}
.count-pill strong { color: var(--blue-2); font-size: 20px; line-height: 1; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filter-btn {
  color: var(--text);
  border-color: var(--line);
  background: rgba(7,16,24,.35);
  padding: 0 16px;
}
.filter-btn.is-on {
  color: #fff;
  border-color: var(--blue);
  background: rgba(76,141,255,.24);
  box-shadow: var(--glow-soft);
}
.note-list { display: flex; flex-direction: column; gap: 14px; margin-top: 22px; }
.note-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  align-items: start;
}
.note-row:hover { border-color: rgba(126,176,255,.45); box-shadow: var(--glow); }
.note-row.is-hidden { display: none; }
.num-badge {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  color: var(--mark);
  border: 1px solid rgba(217,137,163,.45);
  background: rgba(217,137,163,.08);
  font-weight: 700;
}
.note-top, .rel-top { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.note-main p, .side-note p, .faq p, .cond-list dd { color: var(--muted); }
.note-main p { margin-top: 8px; }
.note-main a, .rel-list a { color: var(--text); text-decoration: none; }
.note-main a:hover, .rel-list a:hover { color: var(--blue-2); text-decoration: underline; }
.timeline { list-style: none; margin: 22px 0 0; padding: 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(var(--blue), rgba(217,137,163,.7));
}
.timeline li { position: relative; padding: 0 0 22px 32px; }
.timeline li::before {
  content: "";
  position: absolute;
  left: 2px; top: 8px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: var(--glow);
}
.timeline time { color: var(--mark); font-size: 13px; }
.cond-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(240px, .8fr);
  gap: 20px;
  align-items: start;
}
.cond-list { margin: 18px 0 0; }
.cond-list div {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.cond-list dt { color: var(--text); font-weight: 700; }
.cond-list dd { margin: 0; }
.side-note { padding: 18px; }
.scribble { margin-top: 10px; padding-left: 10px; border-left: 2px solid var(--mark); color: var(--text); }
.shot { margin-top: 16px; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); }
.shot img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 0; }
.rel-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; }
.rel-list li { padding: 16px 0; border-bottom: 1px solid var(--line); }
.rel-list li:first-child { border-top: 1px solid var(--line); }
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(12px);
  box-shadow: var(--glow-soft);
  padding: 0 16px;
  margin-top: 12px;
}
.faq details[open] { border-left: 3px solid var(--mark); }
.faq summary {
  cursor: pointer;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--mark); font-size: 20px; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; max-width: 760px; }
.back-bar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 28px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 28px;
  background: #050c14;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr; gap: 28px; }
.site-footer h2 { font-size: 18px; line-height: 1.4; margin-bottom: 10px; }
.site-footer a { display: block; margin: 6px 0; }
.site-footer .lead { margin-top: 0; }
.legal {
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.site-url a { color: var(--text); }
@media (min-width: 1024px) {
  :root { --pad-y: 96px; }
  h1 { font-size: 48px; line-height: 56px; }
}
@media (max-width: 1023px) {
  .cond-layout, .cat-bar, .foot-grid { grid-template-columns: 1fr; }
  .cat-tools { justify-content: flex-start; }
}
@media (max-width: 767px) {
  .menu-btn { display: inline-flex; }
  .site-header { height: auto; }
  .nav-inner { height: auto; min-height: var(--header); padding: 10px 0; flex-wrap: wrap; }
  .nav-pills {
    display: none;
    position: absolute;
    left: 16px; right: 16px; top: calc(100% + 8px);
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    padding: 12px;
    background: rgba(7,16,24,.96);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    backdrop-filter: blur(8px);
    box-shadow: var(--glow-soft);
  }
  .nav-pills.is-open { display: flex; }
  .pill { width: 100%; }
  .nav-tools { margin-left: auto; }
  .glass, .site-header, .faq details { backdrop-filter: blur(6px); }
  .note-row, .cond-list div, .back-bar, .note-top { grid-template-columns: 1fr; display: grid; }
  .back-bar, .note-top { display: flex; flex-direction: column; align-items: flex-start; }
  .logo-name { font-size: 13px; }
}
@media (max-width: 519px) {
  .container { width: min(1180px, calc(100% - 20px)); }
  .logo-sub { display: none; }
  .btn-glow { padding: 0 12px; font-size: 14px; }
  h1 { font-size: 30px; line-height: 38px; }
}