/* roulang page: index */
:root {
  --bg: #070b16;
  --bg-2: #0c1224;
  --bg-3: #10182e;
  --ink: #e8eefc;
  --muted: #a9b4d0;
  --blue: #4cc3ff;
  --blue-2: #2f7dff;
  --rose: #e06a90;
  --amber: #e2a15a;
  --line: rgba(255,255,255,.14);
  --glass: rgba(16,24,46,.62);
  --radius: 16px;
  --radius-lg: 22px;
  --shadow: 0 12px 32px rgba(0,0,0,.28);
  --glow: 0 0 22px rgba(76,195,255,.42);
  --gap: 22px;
  --header: 132px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 500px at 80% -10%, rgba(47,125,255,.16), transparent 55%), var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; }
a { color: var(--rose); text-decoration: none; }
a:hover { color: var(--amber); }
a:visited { color: var(--rose); }
a:active { color: #ffd7a8; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.skip {
  position: absolute; left: 16px; top: -48px; z-index: 80;
  background: var(--blue-2); color: #fff; padding: 8px 12px; border-radius: 10px;
}
.skip:focus { top: 12px; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(7,11,22,.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
}
.brandbar { display: flex; align-items: center; gap: 16px; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); margin-right: auto; min-width: 0; }
.brand:hover, .brand:visited { color: var(--ink); }
.brand-mark {
  width: 36px; height: 36px; flex: 0 0 36px; border-radius: 12px;
  background: linear-gradient(145deg, var(--rose), var(--amber));
  box-shadow: 0 0 16px rgba(224,106,144,.45);
  position: relative;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 11px 10px 10px 11px;
  border: 1.6px solid #fff; border-radius: 50% 50% 46% 54%;
  transform: rotate(-18deg);
}
.brand-name { font-weight: 700; font-size: 18px; line-height: 1.3; letter-spacing: 0; }
.tools { display: flex; align-items: center; gap: 10px; }
.nav-search { position: relative; }
.nav-search input {
  width: 196px; height: 40px; padding: 0 12px 0 36px; border-radius: 999px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line); color: var(--ink);
}
.nav-search input::placeholder { color: #8d98b4; }
.nav-search input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(76,195,255,.16); outline: none; }
.nav-search svg { position: absolute; left: 12px; top: 11px; width: 16px; height: 16px; color: var(--muted); }
.menu-btn, .glow, .ghost, .linkish {
  border: 0; cursor: pointer; transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease, color .18s ease;
}
.menu-btn {
  width: 42px; height: 42px; border-radius: 12px; color: var(--ink);
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
}
.menu-btn:hover { border-color: var(--blue); color: var(--blue); }
.menu-btn:active { transform: translateY(1px); }
.menu-btn span, .menu-btn span::before, .menu-btn span::after {
  display: block; width: 16px; height: 1.6px; background: currentColor; position: relative; margin: 0 auto;
}
.menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; }
.menu-btn span::before { top: -5px; }
.menu-btn span::after { top: 5px; }
.icon-bar { display: flex; gap: 12px; padding: 0 0 14px; }
.icon-link {
  min-width: 92px; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 8px 12px 10px; border-radius: 14px; position: relative;
}
.icon-link svg { width: 22px; height: 22px; }
.icon-link span { font-size: 13px; line-height: 1.2; }
.icon-link:hover { color: var(--amber); background: rgba(255,255,255,.03); }
.icon-link.active { color: var(--ink); }
.icon-link.active::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 2px; height: 2px;
  background: var(--blue); box-shadow: 0 0 10px var(--blue); border-radius: 2px;
}
.hero { position: relative; padding: 34px 0 78px; overflow: hidden; }
.hero .fog, .hero .dots { position: absolute; inset: 0; pointer-events: none; }
.hero .fog {
  background:
    radial-gradient(420px 280px at 12% 20%, rgba(47,125,255,.22), transparent 70%),
    radial-gradient(360px 240px at 88% 76%, rgba(224,106,144,.16), transparent 72%);
  filter: blur(6px);
}
.hero .dots {
  background-image: radial-gradient(rgba(226,161,90,.9) 1.4px, transparent 1.5px);
  background-size: 26px 22px; opacity: .28; mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
}
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0,1.12fr) minmax(280px,.88fr); gap: 42px; align-items: center; }
.hero h1 { margin: 0 0 12px; font-size: 46px; line-height: 1.22; letter-spacing: 0; }
.lead-one { margin: 0 0 14px; color: var(--amber); font-size: 18px; }
.hero-copy p { margin: 0 0 22px; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.glow, .ghost, .linkish { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 12px; text-decoration: none; }
.glow { background: linear-gradient(180deg, #67d0ff, var(--blue-2)); color: #06101c; font-weight: 700; box-shadow: var(--glow); }
.glow:hover, .glow:visited { color: #06101c; transform: translateY(-1px); filter: brightness(1.08); }
.glow:active { transform: translateY(0); filter: brightness(.92); }
.ghost { background: transparent; color: var(--ink); border: 1px solid rgba(76,195,255,.55); }
.ghost:hover, .ghost:visited { color: var(--blue); border-color: var(--blue); transform: translateY(-1px); }
.ghost:active { transform: none; background: rgba(76,195,255,.08); }
.linkish { background: transparent; color: var(--amber); padding: 0 4px; min-height: 36px; }
.linkish:hover { color: #ffd7a8; }
.hero-media { position: relative; min-height: 420px; }
.stage-card {
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18), var(--shadow);
  backdrop-filter: blur(16px);
  overflow: hidden;
}
.frame { position: relative; border-radius: 14px; overflow: hidden; }
.frame::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 42%, transparent 36%, rgba(0,0,0,.62) 100%);
  pointer-events: none;
}
.frame img { width: 100%; height: 100%; object-fit: cover; }
.stage-main { height: 320px; }
.stage-card figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 14px 16px 16px; color: var(--muted); font-size: 14px; }
.float-note, .float-path {
  position: absolute; border-radius: 14px; border: 1px solid var(--line);
  background: rgba(8,12,24,.72); backdrop-filter: blur(12px); box-shadow: var(--shadow);
}
.float-note { right: -8px; bottom: 28px; width: 180px; padding: 12px 14px; }
.float-note strong { display: block; color: var(--amber); font-size: 14px; }
.float-note span { color: var(--muted); font-size: 13px; }
.float-path { left: -18px; top: 26px; display: flex; gap: 8px; padding: 8px 10px; }
.float-path i { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 8px var(--amber); display: block; }
.float-path i:nth-child(2) { background: var(--rose); box-shadow: 0 0 8px var(--rose); }
.block { padding: 76px 0; position: relative; }
.block.alt { background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.01)); }
.block.deep { background: #090f1e; }
.block h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.35; }
.block-lead { margin: 0 0 26px; max-width: 760px; color: var(--muted); }
.chip {
  display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: 999px;
  background: rgba(224,106,144,.16); color: #ffc2d4; border: 1px solid rgba(224,106,144,.45); font-size: 12px;
}
.bento { display: grid; grid-template-columns: 1.3fr .8fr .9fr; grid-template-areas: "a a b" "c d b" "e e e"; gap: 16px; }
.bento article:nth-child(1) { grid-area: a; }
.bento article:nth-child(2) { grid-area: b; }
.bento article:nth-child(3) { grid-area: c; }
.bento article:nth-child(4) { grid-area: d; }
.bento article:nth-child(5) { grid-area: e; }
.glass {
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.16), var(--shadow);
  backdrop-filter: blur(14px);
}
.feat { padding: 18px 18px 16px; min-height: 148px; }
.feat:hover { border-color: rgba(224,106,144,.6); transform: translateY(-1px); }
.feat .ico { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: var(--blue); border: 1px solid rgba(76,195,255,.4); margin-bottom: 10px; }
.feat h3, .scene h3, .node h3, .case h3, .tier h3, .review h3, .news-row h3, .pick h3, .timeline h3 { margin: 0 0 6px; font-size: 18px; line-height: 1.45; }
.feat p, .scene p, .node p, .case p, .tier li, .review p, .news-row p, .pick li, .timeline p { color: var(--muted); margin: 0; }
.track { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
.scene { min-width: min(320px, 84vw); scroll-snap-align: start; padding: 18px; }
.scene:hover { border-color: rgba(76,195,255,.7); transform: translateY(-1px); }
.scene em { display: block; color: var(--amber); font-style: normal; font-size: 13px; margin-bottom: 8px; }
.route-wrap { position: relative; }
.route { display: flex; justify-content: space-between; gap: 12px; position: relative; padding-top: 8px; }
.route::before {
  content: ""; position: absolute; left: 28px; right: 28px; top: 31px; height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--rose), var(--blue)); opacity: .8;
}
.node { position: relative; z-index: 1; width: 18%; min-width: 140px; padding: 14px; text-align: left; }
.node b { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: #1a120c; color: var(--amber); border: 1px solid var(--amber); margin-bottom: 8px; box-shadow: 0 0 12px rgba(226,161,90,.35); }
.topic-action { margin-top: 18px; }
.theater { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(220px,.6fr); gap: 18px; align-items: stretch; }
.stage-view { padding: 12px; }
.stage-view .frame { height: 360px; }
.stage-copy { padding: 6px 8px 4px; }
.stage-copy h3 { margin: 8px 0; }
.stage-copy p { color: var(--muted); margin: 0; }
.thumbs { display: grid; gap: 10px; }
.thumb {
  display: grid; grid-template-columns: 92px 1fr; gap: 10px; align-items: center; text-align: left;
  padding: 8px; color: var(--ink); background: rgba(255,255,255,.03); border: 1px solid var(--line); border-radius: 14px;
}
.thumb img { height: 64px; width: 92px; object-fit: cover; border-radius: 10px; }
.thumb small { color: var(--muted); display: block; }
.thumb:hover { border-color: var(--rose); transform: translateY(-1px); }
.thumb[aria-pressed="true"] { border-color: var(--amber); box-shadow: 0 0 0 1px rgba(226,161,90,.4), 0 0 16px rgba(226,161,90,.2); }
.case { display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px; align-items: center; margin-bottom: 22px; padding: 12px; }
.case.reverse .case-media { order: 2; }
.case-media { min-height: 240px; }
.case-media img { width: 100%; height: 240px; object-fit: cover; }
.case-copy { padding: 8px 12px; }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.tier { padding: 20px 18px 18px; display: flex; flex-direction: column; gap: 10px; }
.tier strong { font-size: 40px; line-height: 1; color: var(--amber); }
.tier strong small { font-size: 14px; color: var(--muted); margin-left: 4px; }
.tier ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.tier li { padding-left: 14px; position: relative; }
.tier li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); position: absolute; left: 0; top: .7em; }
.tier .glow { margin-top: auto; }
.tier.hot { transform: translateY(-8px); border-color: rgba(224,106,144,.7); box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 0 24px rgba(224,106,144,.18); }
.masonry { columns: 3; gap: 14px; }
.review { break-inside: avoid; margin: 0 0 14px; padding: 16px; display: inline-block; width: 100%; }
.review header { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: #241821; color: var(--rose); border: 1px solid rgba(224,106,144,.5); font-size: 14px; }
.review:hover { border-color: rgba(76,195,255,.55); transform: translateY(-1px); }
.meter-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.meter { padding: 16px; border-top: 2px solid var(--blue); }
.meter b { display: block; font-size: 32px; line-height: 1.1; color: var(--ink); }
.meter span { color: var(--muted); font-size: 14px; }
.quote-bar { margin: 0; padding: 16px 18px; border-left: 3px solid var(--amber); color: var(--ink); background: rgba(226,161,90,.06); border-radius: 0 14px 14px 0; }
.quote-bar footer { color: var(--muted); margin-top: 6px; }
.news-list { display: grid; gap: 10px; }
.news-row {
  display: grid; grid-template-columns: 92px 1fr; gap: 14px; align-items: start;
  padding: 14px 14px; border-radius: 14px; border: 1px solid transparent;
}
.news-row:hover { background: rgba(255,255,255,.04); border-color: var(--line); }
.news-row time { color: var(--amber); font-size: 14px; }
.news-row h3 a { color: var(--ink); }
.news-row h3 a:hover { color: var(--blue); }
.more-wrap { margin: 16px 0 0; }
.empty-note { color: var(--rose); margin: 8px 0 0; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pick { padding: 20px; }
.pick.now { background: linear-gradient(180deg, rgba(76,195,255,.08), rgba(255,255,255,.03)); }
.pick.how { background: linear-gradient(180deg, rgba(226,161,90,.1), rgba(255,255,255,.03)); }
.pick ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.pick li { padding: 10px 12px; border-radius: 12px; background: rgba(0,0,0,.18); color: var(--muted); }
.timeline { list-style: none; margin: 0; padding: 0 0 0 18px; border-left: 2px solid rgba(76,195,255,.45); display: grid; gap: 16px; }
.timeline li { position: relative; padding: 4px 0 4px 16px; }
.timeline li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 10px var(--amber); position: absolute; left: -24px; top: 14px; }
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: transparent; --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(76,195,255,.18); --bs-accordion-active-bg: transparent; --bs-accordion-active-color: var(--ink); }
.accordion-item { background: rgba(255,255,255,.03); border: 1px solid var(--line) !important; border-radius: 14px !important; overflow: hidden; margin-bottom: 10px; }
.accordion-button { background: transparent; color: var(--ink); box-shadow: none; padding: 16px 18px; }
.accordion-button:not(.collapsed) { color: var(--ink); background: rgba(76,195,255,.08); }
.accordion-button:hover { color: var(--blue); }
.accordion-button::after { filter: invert(1) brightness(1.4); }
.accordion-body { color: var(--muted); padding: 0 18px 16px 16px; }
.accordion-collapse.show .accordion-body { border-left: 2px solid var(--blue); margin-left: 12px; }
.open-band { width: min(980px, 100%); margin: 0 auto; padding: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr .8fr auto; gap: 12px; align-items: end; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 14px; }
input, select {
  width: 100%; height: 46px; border-radius: 12px; padding: 0 12px;
  background: rgba(8,12,28,.62); border: 1px solid var(--line); color: var(--ink);
}
select option { background: #0c1224; }
input:focus, select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(76,195,255,.16); }
.is-error { border-color: var(--rose) !important; box-shadow: 0 0 0 4px rgba(224,106,144,.16) !important; }
.field-error { min-height: 0; color: #ffb4c8; font-size: 13px; }
.form-note { margin: 12px 0 0; color: var(--amber); min-height: 1.5em; }
.site-footer { padding: 42px 0 28px; background: #060912; border-top: 1px solid var(--line); }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 18px; }
.site-footer h2 { font-size: 18px; margin: 0 0 8px; }
.site-footer p, .site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--amber); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.copy { margin-top: 22px; color: #7f8ba8; font-size: 12px; }
@media (max-width: 1200px) {
  .hero h1 { font-size: 40px; }
  .float-note { right: 8px; }
  .node { min-width: 120px; }
}
@media (max-width: 1024px) {
  .hero-grid { gap: 28px; }
  .masonry { columns: 2; }
  .meter-band { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 992px) {
  .bento { grid-template-columns: 1fr 1fr; grid-template-areas: "a a" "c d" "b b" "e e"; }
  .theater, .case, .case.reverse, .compare, .form-grid, .foot-grid { grid-template-columns: 1fr; }
  .case.reverse .case-media { order: 0; }
  .tier.hot { transform: none; }
  .icon-bar { display: grid; grid-template-columns: repeat(2, minmax(0, 160px)); }
  .hero-media { min-height: 0; }
}
@media (max-width: 768px) {
  body { font-size: 16px; }
  .block { padding: 52px 0; }
  .hero { padding-bottom: 52px; }
  .hero-grid, .tiers { grid-template-columns: 1fr; }
  .theater { grid-template-columns: 1fr; }
  .stage-view .frame, .stage-main, .case-media img { height: 220px; }
  .route { flex-direction: column; }
  .route::before { left: 27px; right: auto; top: 12px; bottom: 12px; width: 2px; height: auto; }
  .node { width: 100%; }
  .icon-bar { display: none; }
  .icon-bar.is-open {
    display: grid; grid-template-columns: 1fr 1fr; position: fixed; inset: 74px 0 0 0; z-index: 45;
    background: rgba(7,11,22,.96); padding: 28px 20px; align-content: start; gap: 14px;
  }
  .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .float-path, .float-note { position: static; width: auto; margin-top: 10px; }
  .hero-media { display: grid; gap: 10px; }
}
@media (min-width: 769px) {
  .menu-btn { display: none; }
}
@media (max-width: 576px) {
  .container { width: min(1160px, calc(100% - 20px)); }
  .brandbar { flex-wrap: wrap; padding: 10px 0; }
  .brand-name { font-size: 15px; max-width: 12em; }
  .nav-search, .nav-search input { width: 100%; }
  .tools { width: 100%; justify-content: flex-end; }
  .nav-search { order: 3; }
  .bento { grid-template-columns: 1fr; grid-template-areas: "a" "b" "c" "d" "e"; }
  .tiers, .masonry, .meter-band, .news-row { grid-template-columns: 1fr; columns: 1; }
  .hero h1 { font-size: 32px; }
  .block h2 { font-size: 24px; }
  .actions .glow, .actions .ghost, .tier .glow { width: 100%; }
}
@media (max-width: 520px) {
  .icon-bar.is-open { grid-template-columns: 1fr 1fr; }
  .thumb { grid-template-columns: 72px 1fr; }
  .thumb img { width: 72px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --bg: #070b16;
 --bg-2: #0c1224;
 --bg-3: #10182e;
 --ink: #e8eefc;
 --muted: #a9b4d0;
 --blue: #4cc3ff;
 --blue-2: #2f7dff;
 --rose: #e06a90;
 --amber: #e2a15a;
 --line: rgba(255,255,255,.14);
 --glass: rgba(16,24,46,.62);
 --radius: 16px;
 --radius-lg: 22px;
 --shadow: 0 12px 32px rgba(0,0,0,.28);
 --glow: 0 0 22px rgba(76,195,255,.42);
 --gap: 22px;
 --header: 132px;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background:
  radial-gradient(1200px 500px at 80% -10%, rgba(47,125,255,.16), transparent 55%),
  var(--bg);
 color: var(--ink);
 font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
 font-size: 17px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; }
a { color: var(--rose); text-decoration: none; }
a:hover { color: var(--amber); }
a:visited { color: var(--rose); }
a:active { color: #ffd7a8; }
h1, h2, h3, p { letter-spacing: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
::selection { background: rgba(76,195,255,.28); color: #fff; }
.container { width: min(1160px, calc(100% - 32px)); max-width: 1160px; margin: 0 auto; padding-left: 0; padding-right: 0; }
.site-header {
 position: sticky; top: 0; z-index: 40;
 background: rgba(7,11,22,.86);
 border-bottom: 1px solid var(--line);
 backdrop-filter: blur(18px);
 box-shadow: 0 8px 24px rgba(0,0,0,.22);
}
.brandbar { display: flex; align-items: center; gap: 16px; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); margin-right: auto; min-width: 0; }
.brand:hover, .brand:visited, .brand:active { color: var(--ink); }
.brand-mark {
 width: 36px; height: 36px; flex: 0 0 36px; border-radius: 12px;
 background: linear-gradient(145deg, var(--rose), var(--amber));
 box-shadow: 0 0 16px rgba(224,106,144,.45);
 position: relative;
}
.brand-mark::after {
 content: ""; position: absolute; inset: 11px 10px 10px 11px;
 border: 1.6px solid #fff; border-radius: 50% 50% 46% 54%;
 transform: rotate(-18deg);
}
.brand-name { font-weight: 700; font-size: 18px; line-height: 1.3; }
.nav-search { position: relative; }
.nav-search input {
 width: 196px; height: 40px; padding: 0 12px 0 36px; border-radius: 999px;
 background: rgba(255,255,255,.04); border: 1px solid var(--line); color: var(--ink);
}
.nav-search input::placeholder { color: #8d98b4; }
.nav-search input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(76,195,255,.16); outline: none; }
.nav-search input.is-invalid { border-color: var(--rose); box-shadow: 0 0 0 4px rgba(224,106,144,.18); }
.nav-search svg { position: absolute; left: 12px; top: 11px; width: 16px; height: 16px; color: var(--muted); }
.tools { display: flex; align-items: center; gap: 10px; }
.menu-btn, .glow, .ghost, .linkish {
 border: 0; cursor: pointer; transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease, color .18s ease, filter .18s ease;
}
.menu-btn {
 width: 42px; height: 42px; border-radius: 12px; color: var(--ink);
 background: rgba(255,255,255,.04); border: 1px solid var(--line);
 display: none; align-items: center; justify-content: center;
}
.menu-btn:hover { border-color: var(--blue); color: var(--blue); }
.menu-btn:active { transform: translateY(1px); }
.menu-btn span, .menu-btn span::before, .menu-btn span::after {
 display: block; width: 16px; height: 1.6px; background: currentColor; position: relative; margin: 0 auto;
}
.menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; }
.menu-btn span::before { top: -5px; }
.menu-btn span::after { top: 5px; }
.icon-bar { display: flex; gap: 8px; padding: 0 0 12px; }
.icon-link, .icon-link:visited {
 display: flex; flex-direction: column; align-items: center; gap: 4px;
 min-width: 92px; color: var(--muted); padding: 8px 12px 10px;
 border-bottom: 2px solid transparent; border-radius: 12px 12px 0 0;
}
.icon-link svg { width: 22px; height: 22px; }
.icon-link span { font-size: 13px; line-height: 1.4; }
.icon-link:hover { color: var(--amber); background: rgba(255,255,255,.03); }
.icon-link:active { color: #ffd7a8; }
.icon-link.active, .icon-link.active:visited {
 color: var(--ink);
 border-bottom-color: var(--blue);
 box-shadow: inset 0 -10px 18px rgba(76,195,255,.2);
 background: linear-gradient(180deg, transparent, rgba(76,195,255,.08));
}
a.glow, button.glow {
 display: inline-flex; align-items: center; justify-content: center; gap: 6px;
 min-height: 40px; padding: 0 16px; border-radius: 999px;
 background: linear-gradient(180deg, #7ad4ff, var(--blue-2));
 color: #04101d; font-weight: 700; box-shadow: var(--glow); text-decoration: none;
}
a.glow:hover, a.glow:visited, button.glow:hover { color: #04101d; transform: translateY(-1px); filter: brightness(1.06); }
a.glow:active, button.glow:active { transform: translateY(0); filter: brightness(.9); }
a.ghost, button.ghost {
 display: inline-flex; align-items: center; justify-content: center;
 min-height: 40px; padding: 0 16px; border-radius: 999px;
 border: 1px solid var(--line); color: var(--ink); background: rgba(255,255,255,.03); text-decoration: none;
}
a.ghost:hover, a.ghost:visited, button.ghost:hover { color: var(--amber); border-color: var(--amber); transform: translateY(-1px); }
a.ghost:active, button.ghost:active { transform: translateY(0); filter: brightness(.92); }
.linkish { background: none; color: var(--rose); padding: 0; min-height: 0; }
.linkish:hover { color: var(--amber); }
main section { position: relative; padding: 72px 0; }
.cat-head { padding: 28px 0 34px; overflow: hidden; }
.cat-head .fog, .cat-head .dots { position: absolute; inset: 0; pointer-events: none; }
.cat-head .fog {
 background:
  radial-gradient(420px 220px at 8% 0%, rgba(47,125,255,.2), transparent 70%),
  radial-gradient(320px 180px at 92% 80%, rgba(224,106,144,.14), transparent 72%);
}
.cat-head .dots {
 background-image: radial-gradient(rgba(226,161,90,.9) 1.3px, transparent 1.5px);
 background-size: 24px 20px; opacity: .22;
 mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}
.cat-head-grid { position: relative; display: grid; grid-template-columns: minmax(0,1.35fr) minmax(220px,.65fr); gap: 28px; align-items: center; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; list-style: none; margin: 0 0 12px; padding: 0; color: var(--muted); font-size: 14px; }
.crumb a { color: var(--rose); }
.cat-head h1 { margin: 0 0 8px; font-size: 40px; line-height: 1.25; font-weight: 700; }
.lead-one { margin: 0 0 14px; color: var(--amber); font-size: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
 display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: 999px;
 background: rgba(224,106,144,.16); color: #ffc2d4; border: 1px solid rgba(224,106,144,.45); font-size: 12px;
}
.head-meta { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.result-meta { margin: 0; color: var(--muted); }
.result-meta strong { color: var(--ink); font-weight: 700; }
.sort-box { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
select, .field input {
 height: 42px; border-radius: 12px; background: rgba(255,255,255,.04);
 border: 1px solid var(--line); color: var(--ink); padding: 0 12px;
}
select:focus, .field input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(76,195,255,.16); outline: none; }
select.is-invalid, .field input.is-invalid { border-color: var(--rose); box-shadow: 0 0 0 4px rgba(224,106,144,.18); }
select option { color: #07101f; }
.rail { list-style: none; margin: 0; padding: 8px 0 8px 18px; border-left: 1px solid rgba(226,161,90,.45); display: grid; gap: 14px; }
.rail li { position: relative; }
.rail li::before {
 content: ""; position: absolute; left: -23px; top: 8px; width: 9px; height: 9px; border-radius: 50%;
 background: var(--amber); box-shadow: 0 0 10px rgba(226,161,90,.8);
}
.rail span { display: block; font-weight: 700; line-height: 1.4; }
.rail small { color: var(--muted); }
.cat-filter { background: var(--bg-2); padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cat-filter h2, .cat-list h2, .cat-feature h2, .cat-reads h2, .cat-related h2, .cat-faq h2, .cat-return h2 {
 margin: 0 0 16px; font-size: 28px; line-height: 1.35;
}
.filter-form { display: flex; flex-wrap: wrap; gap: 12px 14px; align-items: flex-end; }
.field { display: grid; gap: 6px; min-width: 180px; }
.field span { color: var(--muted); font-size: 13px; line-height: 1.4; }
.cat-list { background: transparent; }
.entry-list { display: grid; gap: 12px; }
.entry {
 display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 16px; align-items: stretch;
 padding: 12px; border-radius: var(--radius); border: 1px solid transparent;
 background: rgba(255,255,255,.02);
}
.entry.wide { grid-template-columns: 248px minmax(0,1fr); }
.entry:hover { background: rgba(255,255,255,.045); border-color: var(--line); transform: translateY(-1px); transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.entry-media { display: block; min-height: 112px; border-radius: 12px; position: relative; overflow: hidden; }
.ph { min-height: 112px; height: 100%; border-radius: 12px; position: relative; }
.ph::after {
 content: ""; position: absolute; inset: 0;
 background: radial-gradient(circle at 30% 20%, rgba(255,255,255,.18), transparent 36%), linear-gradient(180deg, transparent 40%, rgba(0,0,0,.42));
}
.ph i { position: absolute; left: 12px; bottom: 10px; z-index: 1; font-style: normal; font-size: 12px; color: #fff; letter-spacing: 0; }
.ph-a { background: linear-gradient(145deg, #16365f, #e06a90 78%); }
.ph-b { background: linear-gradient(160deg, #10233f, #e2a15a 80%); }
.ph-c { background: linear-gradient(150deg, #1a2d55, #4cc3ff 70%, #e06a90); }
.ph-d { background: linear-gradient(180deg, #0e1c33, #35507d 55%, #e2a15a); }
.ph-e { background: linear-gradient(135deg, #241626, #e06a90 60%, #2f7dff); }
.ph-f { background: linear-gradient(200deg, #10182e, #2f7dff 62%, #e2a15a); }
.ph-g { background: linear-gradient(145deg, #1b2438, #e2a15a 40%, #e06a90); }
.ph-h { background: linear-gradient(160deg, #0c1224, #4cc3ff 48%, #10182e 80%); }
.entry time { color: var(--amber); font-size: 14px; }
.entry h3 { margin: 2px 0 6px; font-size: 20px; line-height: 1.45; }
.entry h3 a, .entry h3 a:visited { color: var(--ink); }
.entry h3 a:hover { color: var(--blue); }
.entry p { margin: 0 0 8px; color: var(--muted); }
.empty-note { margin: 14px 0 0; color: var(--amber); }
.cat-feature {
 background:
  radial-gradient(480px 180px at 12% 0%, rgba(224,106,144,.16), transparent 70%),
  var(--bg-3);
 border-top: 1px solid var(--line);
 border-bottom: 1px solid var(--line);
}
.feature-row {
 margin: 0; border-radius: var(--radius-lg); overflow: hidden;
 border: 1px solid var(--line);
 background: var(--glass);
 box-shadow: inset 0 1px 0 rgba(255,255,255,.16), var(--shadow);
 backdrop-filter: blur(16px);
}
.feature-row > * { padding: 0; }
.feature-visual { min-height: 280px; position: relative; }
.feature-visual .ph { min-height: 280px; border-radius: 0; }
.feature-copy { padding: 28px 28px 24px; }
.feature-copy h3 { margin: 10px 0; font-size: 26px; line-height: 1.4; }
.feature-copy p { margin: 0 0 18px; color: var(--muted); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.cat-reads { background: var(--bg-2); }
.read-row { --bs-gutter-x: 18px; --bs-gutter-y: 18px; }
.read-card {
 height: 100%; padding: 18px 16px 16px; border-radius: var(--radius);
 background: var(--glass); border: 1px solid var(--line);
 box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.read-card:hover { border-color: rgba(76,195,255,.55); transform: translateY(-1px); transition: border-color .18s ease, transform .18s ease; }
.read-card h3 { margin: 8px 0; font-size: 18px; }
.read-card p { margin: 0 0 12px; color: var(--muted); }
.read-card a { font-weight: 700; }
.cat-related { background: transparent; }
.hscroll {
 display: flex; gap: 14px; overflow-x: auto; padding: 4px 2px 12px;
 scroll-snap-type: x mandatory;
}
.hscroll::-webkit-scrollbar { height: 8px; }
.hscroll::-webkit-scrollbar-thumb { background: rgba(76,195,255,.45); border-radius: 999px; }
.hcard {
 flex: 0 0 280px; scroll-snap-align: start; display: block;
 border-radius: var(--radius); overflow: hidden; color: var(--ink);
 border: 1px solid var(--line); background: rgba(16,24,46,.72);
 box-shadow: var(--shadow);
}
.hcard:visited { color: var(--ink); }
.hcard:hover { color: var(--ink); border-color: rgba(226,161,90,.7); transform: translateY(-1px); }
.hcard .ph { min-height: 140px; border-radius: 0; }
.hcard div { padding: 12px 14px 14px; }
.hcard strong { display: block; font-size: 16px; line-height: 1.5; margin-bottom: 4px; }
.hcard em { font-style: normal; color: var(--amber); font-size: 13px; }
.cat-faq { background: var(--bg-3); }
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: var(--line); --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(76,195,255,.16); --bs-accordion-active-bg: transparent; --bs-accordion-active-color: var(--ink); --bs-accordion-btn-color: var(--ink); --bs-accordion-color: var(--ink); }
.accordion-item {
 background: var(--glass) !important;
 border: 1px solid var(--line) !important;
 border-radius: 14px !important;
 overflow: hidden;
 margin-bottom: 10px;
 box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.accordion-button {
 background: transparent !important;
 color: var(--ink) !important;
 font-weight: 700;
 box-shadow: none;
}
.accordion-button:not(.collapsed) { color: var(--blue) !important; }
.accordion-button::after { filter: invert(1) sepia(1) saturate(4) hue-rotate(175deg); }
.accordion-body { color: var(--muted); padding-top: 0; }
.accordion-item:has(.show) { box-shadow: inset 3px 0 0 var(--blue), inset 0 1px 0 rgba(255,255,255,.08); }
.cat-return { padding: 36px 0 72px; background: radial-gradient(520px 120px at 50% 0%, rgba(76,195,255,.14), transparent 70%), var(--bg); }
.return-band {
 display: flex; justify-content: space-between; gap: 16px; align-items: center; flex-wrap: wrap;
 padding: 18px 18px; border-radius: var(--radius-lg); border: 1px solid rgba(76,195,255,.35);
 background: rgba(16,24,46,.72); box-shadow: var(--glow);
}
.return-band h2 { margin: 0 0 4px; font-size: 22px; }
.return-band p { margin: 0; color: var(--muted); }
.site-footer { background: #050812; border-top: 1px solid var(--line); padding: 48px 0 20px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 24px; }
.site-footer h2 { font-size: 16px; margin: 0 0 10px; }
.site-footer p, .site-footer li { color: var(--muted); }
.site-footer a, .site-footer a:visited { color: var(--muted); }
.site-footer a:hover { color: var(--amber); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.copy { color: #8d98b4; font-size: 12px; margin-top: 22px; padding-top: 12px; border-top: 1px solid var(--line); }
.modal-content {
 background: rgba(12,18,36,.94); color: var(--ink);
 border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.modal-header, .modal-footer { border-color: var(--line); }
.modal-title { font-size: 20px; }
.btn-close { filter: invert(1); opacity: .8; }
@media (max-width: 1199.98px) {
 .cat-head h1 { font-size: 36px; }
 .entry.wide { grid-template-columns: 200px minmax(0,1fr); }
}
@media (max-width: 991.98px) {
 .icon-bar { flex-wrap: wrap; }
 .cat-head-grid, .foot-grid { grid-template-columns: 1fr 1fr; }
 .rail { border-left: 0; border-top: 1px solid rgba(226,161,90,.45); padding: 16px 0 0; grid-template-columns: 1fr; }
 .rail li::before { left: 0; top: -20px; }
 .feature-visual, .feature-visual .ph { min-height: 220px; }
 main section { padding: 56px 0; }
}
@media (max-width: 767.98px) {
 .menu-btn { display: inline-flex; }
 .icon-bar { display: none; }
 .icon-bar.is-open {
  display: grid; grid-template-columns: 1fr 1fr; position: fixed; z-index: 35;
  top: 74px; left: 0; right: 0; bottom: 0; padding: 18px; gap: 12px; overflow: auto;
  background: rgba(7,11,22,.96); border-top: 1px solid var(--line);
 }
 .icon-link, .icon-link:visited { border: 1px solid var(--line); border-radius: 14px; min-height: 92px; justify-content: center; background: rgba(255,255,255,.03); }
 .icon-link.active { border-color: var(--blue); box-shadow: 0 0 18px rgba(76,195,255,.25); }
 .nav-search input { width: 132px; }
 .cat-head-grid, .foot-grid, .entry, .entry.wide { grid-template-columns: 1fr; }
 .cat-head h1 { font-size: 32px; }
 .return-band { align-items: flex-start; }
}
@media (max-width: 575.98px) {
 .nav-search { display: none; }
 .brand-name { font-size: 15px; }
 .container { width: min(1160px, calc(100% - 24px)); }
 .field, .field select, .sort-box, .sort-box select { width: 100%; min-width: 0; }
 .filter-form .glow { width: 100%; }
 .cat-head h1 { font-size: 28px; }
 .hcard { flex-basis: 78%; }
 .foot-grid { grid-template-columns: 1fr; }
 .feature-copy { padding: 18px 16px 16px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
}

/* 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}