/* roulang page: index */
:root{
  --ink:#141816;
  --cream:#F6F3EC;
  --amber:#E3A15A;
  --lime:#C6F25A;
  --rose:#C56D7C;
  --card-dark:#1C221E;
  --text:#17211C;
  --muted:#5E675F;
  --line:rgba(20,24,22,.14);
  --line-light:rgba(246,243,236,.16);
  --radius-nav:22px;
  --radius-card:14px;
  --radius-btn:999px;
  --radius-badge:6px;
  --shadow:0 10px 28px rgba(20,24,22,.08);
  --font:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --space:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.8;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
button,input{font-family:inherit}
a{color:inherit;text-decoration:none}
p{margin:0 0 .9em}
h1,h2,h3{line-height:1.25;margin:0;font-weight:700}
ul{margin:0;padding:0;list-style:none}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.wrap{width:min(1120px,calc(100% - 40px));margin:0 auto}
.band{padding:var(--space) 0}
.band-dark{background:var(--ink);color:var(--cream)}
.band-light{background:var(--cream);color:var(--text)}
.band-dark .muted{color:rgba(246,243,236,.72)}
.muted{color:var(--muted)}
.kicker{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:13px;letter-spacing:.08em}
.rule{height:1px;background:currentColor;opacity:.2;border:0;margin:0}
.sec-head{max-width:760px;margin-bottom:28px}
.sec-head h2{font-size:clamp(26px,3vw,38px);margin-bottom:10px}
.sec-head p{margin:0;font-size:16px}
.site-nav{position:sticky;top:22px;z-index:40;width:min(1120px,calc(100% - 36px));margin:22px auto 0}
.nav-shell{height:64px;display:flex;align-items:center;gap:18px;padding:0 14px 0 18px;background:#1C221E;color:var(--cream);border:1px solid rgba(246,243,236,.12);border-radius:var(--radius-nav);box-shadow:var(--shadow)}
.site-nav.is-stuck .nav-shell{box-shadow:0 12px 30px rgba(20,24,22,.18)}
.brand{display:flex;flex-direction:column;justify-content:center;min-width:132px;line-height:1.15}
.brand strong{font-size:16px;font-weight:700}
.brand span{font-size:12px;color:var(--amber);font-style:normal;font-weight:600}
.menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.menu a{padding:8px 12px;border-radius:999px;font-size:14px;color:rgba(246,243,236,.86)}
.menu a:hover,.menu a:focus-visible{color:#141816;background:var(--lime)}
.menu a.active{color:#141816;background:var(--cream)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:14px;font-weight:700;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.menu a:focus-visible,.faq-q:focus-visible,.icon-btn:focus-visible,.text-link:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-lime{background:var(--lime);color:#141816}
.btn-lime:hover{background:#d5f87a}
.btn-ghost{background:transparent;color:var(--cream);border-color:rgba(246,243,236,.28)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-ink{background:var(--ink);color:var(--cream)}
.btn-ink:hover{background:#222824}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border-radius:14px;border:1px solid rgba(246,243,236,.2);background:transparent;color:var(--cream);cursor:pointer}
.drawer{display:none;position:fixed;z-index:45;top:98px;left:18px;right:18px;background:#1C221E;color:var(--cream);border:1px solid rgba(246,243,236,.12);border-radius:22px;padding:14px;box-shadow:var(--shadow)}
.drawer.is-open{display:block}
.drawer a{display:block;padding:12px 12px;border-radius:12px}
.drawer a:hover,.drawer a.active{background:rgba(198,242,90,.16);color:var(--lime)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:36px;align-items:center}
.hero h1{font-size:clamp(34px,4.6vw,58px);letter-spacing:-.02em;margin:8px 0 12px}
.lead{font-size:16px;color:rgba(246,243,236,.84);max-width:620px}
.subline{color:var(--lime);font-size:18px;margin-bottom:8px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.stage{background:var(--card-dark);border:1px solid rgba(246,243,236,.12);border-radius:14px;min-height:380px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.stage-top{display:flex;justify-content:space-between;align-items:center;padding:14px 14px 0}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 8px;border-radius:6px;font-size:12px;font-weight:700}
.badge-lime{background:var(--lime);color:#141816}
.badge-amber{background:var(--amber);color:#141816}
.badge-rose{background:var(--rose);color:#fff}
.badge-line{background:transparent;border:1px solid rgba(246,243,236,.3);color:var(--cream)}
.stage-body{position:absolute;inset:58px 16px 92px;border-radius:12px;background:
  radial-gradient(420px 180px at 20% 20%,rgba(227,161,90,.28),transparent 70%),
  linear-gradient(160deg,#243028,#141816 70%);
  border:1px solid rgba(246,243,236,.08)}
.stage-caption{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(20,24,22,.92);border-left:3px solid var(--lime);border-radius:10px;padding:12px 14px}
.stage-caption small{display:block;color:var(--amber);font-size:12px}
.stage-caption strong{display:block;font-size:18px;font-weight:600}
.pulse{width:7px;height:7px;border-radius:50%;background:#141816;box-shadow:0 0 0 0 rgba(20,24,22,.4);animation:pulse 1.6s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 6px rgba(20,24,22,0)}100%{box-shadow:0 0 0 0 rgba(20,24,22,0)}}
.point-grid{display:grid;grid-template-columns:1.45fr 1fr .82fr;gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px}
.band-dark .card{background:#1C221E;border-color:rgba(246,243,236,.1);color:var(--cream)}
.card h3{font-size:22px;margin-bottom:8px}
.card p{margin:0;color:inherit}
.point-grid .card:first-child{background:#141816;color:var(--cream)}
.point-grid .card:first-child p{color:rgba(246,243,236,.78)}
.point-no{font-family:var(--mono);color:var(--amber);font-size:13px;display:block;margin-bottom:18px}
.scene-list{display:flex;flex-direction:column;gap:12px}
.scene{display:grid;grid-template-columns:160px 1fr auto;gap:18px;align-items:center;padding:18px 20px;border-radius:14px;background:#1C221E;border:1px solid rgba(246,243,236,.1)}
.scene b{font-size:20px}
.scene span{color:rgba(246,243,236,.76)}
.metric-bar{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;margin-bottom:16px}
.metric{padding:16px 18px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-family:var(--mono);font-size:32px;line-height:1.1}
.metric em{font-style:normal;color:var(--muted);font-size:13px}
.review-row{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:14px}
.review{padding:18px;border-radius:14px;background:#fff;border:1px solid var(--line)}
.review:first-child{background:#141816;color:var(--cream)}
.quote{font-size:16px;margin-bottom:10px}
.who{font-size:13px;color:var(--amber)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare article{border-radius:14px;padding:22px;border:1px solid rgba(246,243,236,.12);background:#1C221E}
.compare article:last-child{background:transparent}
.compare h3{margin-bottom:12px;font-size:22px}
.compare li{padding:12px 0;border-top:1px solid rgba(246,243,236,.12);color:rgba(246,243,236,.84)}
.log{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.log li{display:grid;grid-template-columns:120px 72px 1fr;gap:12px;align-items:center;padding:16px 18px;border-top:1px solid var(--line)}
.log li:first-child{border-top:0}
.log time{font-family:var(--mono);font-size:13px;color:var(--muted)}
.more-row{display:flex;justify-content:flex-end;margin-top:14px}
.text-link{color:#141816;font-weight:700;border-bottom:1px solid var(--amber)}
.faq{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#1C221E;border:1px solid rgba(246,243,236,.1);border-radius:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;gap:16px;align-items:center;text-align:left;background:transparent;color:var(--cream);border:0;padding:16px 18px;font-size:17px;cursor:pointer;line-height:1.6}
.plus{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:rgba(198,242,90,.14);color:var(--lime);flex:0 0 auto}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 18px 16px;color:rgba(246,243,236,.8)}
.faq-item.is-open .faq-a{display:block}
.assure{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.assure article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 16px 14px}
.assure strong{display:block;margin:8px 0 4px}
.dot{width:28px;height:8px;border-radius:6px;background:var(--lime)}
.dot.amber{background:var(--amber)}
.dot.rose{background:var(--rose)}
.dot.ink{background:#141816}
.wall{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:auto auto;gap:12px}
.reel{display:flex;flex-direction:column;justify-content:space-between;min-height:150px;padding:16px;border-radius:14px;background:#1C221E;border:1px solid rgba(246,243,236,.1);color:var(--cream)}
.reel.big{grid-row:1 / span 2;min-height:320px;background:
  linear-gradient(180deg,rgba(20,24,22,.1),rgba(20,24,22,.72)),
  linear-gradient(145deg,#3a2a28,#141816 60%)}
.reel:hover{border-color:var(--lime)}
.reel h3{font-size:22px;max-width:16em}
.reel.big h3{font-size:32px}
.axis{position:relative;margin-left:12px;padding-left:28px}
.axis::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;background:rgba(20,24,22,.2)}
.axis li{position:relative;padding:0 0 26px 8px}
.axis li:last-child{padding-bottom:0}
.axis i{position:absolute;left:-28px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--lime);border:2px solid #141816}
.axis h3{font-size:20px;margin-bottom:4px}
.channel{display:grid;grid-template-columns:1.35fr .8fr;gap:14px}
.channel a{display:block;height:100%}
.channel article{height:100%;border-radius:14px;padding:26px;border:1px solid rgba(246,243,236,.12)}
.channel .wide{background:var(--lime);color:#141816}
.channel .slim{background:#1C221E;color:var(--cream)}
.night-track{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.night-card{scroll-snap-align:start;flex:0 0 280px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;min-height:180px;display:flex;flex-direction:column;justify-content:space-between}
.night-card:hover{border-color:#141816}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.step{background:#1C221E;border-radius:14px;padding:18px;border:1px solid rgba(246,243,236,.1);min-height:190px}
.step b{font-family:var(--mono);color:var(--lime);font-size:13px}
.step h3{margin:16px 0 8px;font-size:22px}
.closebar{display:flex;justify-content:space-between;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 22px}
.closebar h2{font-size:clamp(26px,3vw,36px)}
.dock{position:fixed;z-index:50;left:50%;bottom:12px;transform:translateX(-50%) translateY(130%);width:min(860px,calc(100% - 20px));height:56px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 8px 0 16px;background:#141816;color:var(--cream);border-radius:999px;border:1px solid rgba(246,243,236,.12);box-shadow:0 10px 28px rgba(20,24,22,.2);transition:transform .2s ease}
.dock.is-on{transform:translateX(-50%) translateY(0)}
.dock-title{font-weight:700;white-space:nowrap}
.icon-btn{width:36px;height:36px;border-radius:50%;border:0;background:transparent;color:var(--cream);cursor:pointer}
.footer{background:#101411;color:rgba(246,243,236,.78);padding:64px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:22px}
.footer h3{color:var(--cream);font-size:15px;margin-bottom:10px}
.footer a{display:block;padding:4px 0;font-size:14px}
.footer a:hover{color:var(--lime)}
.copy{margin-top:28px;padding-top:16px;border-top:1px solid rgba(246,243,236,.1);font-size:13px;color:rgba(246,243,236,.55)}
@media (max-width:1024px){
  .menu,.nav-cta{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .hero-grid,.point-grid,.compare,.review-row,.channel,.steps,.foot-grid{grid-template-columns:1fr}
  .wall{grid-template-columns:1fr 1fr}
  .reel.big{grid-row:auto;grid-column:1 / -1;min-height:240px}
  .assure{grid-template-columns:1fr 1fr}
  .scene{grid-template-columns:1fr;gap:6px}
  .foot-grid{gap:18px}
}
@media (max-width:768px){
  :root{--space:56px}
  .wrap{width:min(1120px,calc(100% - 28px))}
  .metric-bar,.log li{grid-template-columns:1fr}
  .log li{gap:4px}
  .closebar{flex-direction:column;align-items:flex-start}
  .hero h1{font-size:36px}
  .stage{min-height:320px}
}
@media (max-width:520px){
  .wall,.assure,.review-row{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .dock-title{font-size:13px}
  .site-nav{width:calc(100% - 20px);top:12px}
  .drawer{left:10px;right:10px}
}

/* roulang page: category2 */
:root{
 --ink:#141816;
 --cream:#F6F3EC;
 --amber:#E3A15A;
 --lime:#C6F25A;
 --rose:#C56D7C;
 --card-dark:#1C221E;
 --text:#17211C;
 --muted:#5E675F;
 --line:rgba(20,24,22,.14);
 --line-light:rgba(246,243,236,.16);
 --radius-nav:22px;
 --radius-card:14px;
 --radius-btn:999px;
 --radius-badge:6px;
 --shadow:0 10px 28px rgba(20,24,22,.08);
 --font:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
 --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
 --space:88px;
}
:root{--space:56px}
:root{
 --ink:#141816;
 --cream:#F6F3EC;
 --amber:#E3A15A;
 --lime:#C6F25A;
 --rose:#C56D7C;
 --card-dark:#1C221E;
 --text:#17211C;
 --muted:#5E675F;
 --line:rgba(20,24,22,.14);
 --line-light:rgba(246,243,236,.16);
 --radius-nav:22px;
 --radius-card:14px;
 --radius-btn:999px;
 --radius-badge:6px;
 --shadow:0 10px 28px rgba(20,24,22,.08);
 --font:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
 --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
 --space:88px;
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.8;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
button,input{font-family:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.25;font-weight:700}
.band-dark .muted{color:rgba(246,243,236,.72)}
.muted{color:var(--muted)}
.wrap{width:min(1120px,calc(100% - 36px));margin:0 auto}
.section{padding:var(--space) 0}
.band-cream{background:var(--cream)}
.band-white{background:#fff}
.band-dark{background:var(--ink);color:var(--cream)}
.site-nav{position:sticky;top:22px;z-index:40;width:min(1120px,calc(100% - 36px));margin:22px auto 0}
.nav-shell{height:64px;display:flex;align-items:center;gap:18px;padding:0 14px 0 18px;background:#1C221E;color:var(--cream);border:1px solid rgba(246,243,236,.12);border-radius:var(--radius-nav);box-shadow:var(--shadow)}
.site-nav.is-stuck .nav-shell{box-shadow:0 12px 30px rgba(20,24,22,.18)}
.brand{display:flex;flex-direction:column;justify-content:center;min-width:132px;line-height:1.15}
.brand strong{font-size:16px;font-weight:700}
.brand span{font-size:12px;color:var(--amber);font-style:normal;font-weight:600}
.menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.menu a{padding:8px 12px;border-radius:999px;font-size:14px;color:rgba(246,243,236,.86)}
.menu a:hover,.menu a:focus-visible{color:#141816;background:var(--lime)}
.menu a.active{color:#141816;background:var(--cream)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:14px;font-weight:700;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.menu a:focus-visible,.faq-q:focus-visible,.icon-btn:focus-visible,.text-link:focus-visible,.feed-card:focus-visible,.read-card:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-lime{background:var(--lime);color:#141816}
.btn-lime:hover{background:#d5f87a}
.btn-ghost{background:transparent;color:var(--cream);border-color:rgba(246,243,236,.28)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-ink{background:var(--ink);color:var(--cream)}
.btn-ink:hover{background:#222824}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border-radius:14px;border:1px solid rgba(246,243,236,.2);background:transparent;color:var(--cream);cursor:pointer}
.drawer{display:none;position:fixed;z-index:45;top:98px;left:18px;right:18px;background:#1C221E;color:var(--cream);border:1px solid rgba(246,243,236,.12);border-radius:22px;padding:14px;box-shadow:var(--shadow)}
.drawer.is-open{display:block}
.drawer a{display:block;padding:12px 12px;border-radius:12px}
.drawer a:hover,.drawer a.active{background:rgba(198,242,90,.16);color:var(--lime)}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 8px;border-radius:6px;font-size:12px;font-weight:700}
.badge-lime{background:var(--lime);color:#141816}
.badge-amber{background:var(--amber);color:#141816}
.badge-rose{background:var(--rose);color:#fff}
.badge-line{background:transparent;border:1px solid rgba(246,243,236,.3);color:var(--cream)}
.badge-ink{background:#141816;color:var(--cream)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px}
.band-dark .card{background:#1C221E;border-color:rgba(246,243,236,.1);color:var(--cream)}
.card h3{font-size:22px;margin-bottom:8px}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--amber);font-weight:700}
.page-head h1{font-size:clamp(32px,4.4vw,52px);max-width:16em;margin:12px 0}
.head-lead{max-width:40em;color:rgba(246,243,236,.82);font-size:17px}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.status-line{margin-top:22px;display:flex;flex-wrap:wrap;gap:18px 28px;padding-top:16px;border-top:1px solid rgba(246,243,236,.14);font-size:14px}
.status-line b{font-family:var(--mono);font-weight:700;color:var(--lime)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px}
.sec-head h2{font-size:clamp(26px,3vw,36px);max-width:14em}
.sec-note{max-width:22em;color:var(--muted);font-size:15px}
.band-dark .sec-note{color:rgba(246,243,236,.72)}
.feed{display:flex;flex-direction:column;gap:12px}
.feed-card{display:grid;grid-template-columns:148px minmax(0,1fr) auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow);transition:border-color .18s ease,transform .18s ease}
.feed-card:hover{border-color:#141816;transform:translateY(-1px)}
.feed-time{font-family:var(--mono);font-size:13px;color:var(--muted);line-height:1.45}
.feed-card h3{font-size:20px;margin-bottom:4px}
.feed-card p{color:var(--muted);font-size:15px}
.feed-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.hotbar{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#141816;color:var(--cream);border-radius:14px;border:1px solid rgba(198,242,90,.4);border-left:4px solid var(--lime);padding:16px 18px;box-shadow:var(--shadow)}
.hotbar strong{display:block;font-size:18px}
.hotbar span{color:rgba(246,243,236,.75);font-size:14px}
.more-row{display:flex;justify-content:flex-end;margin-top:14px}
.text-link{color:#141816;font-weight:700;border-bottom:1px solid var(--amber)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare article{min-height:280px}
.compare .old{background:#243028}
.compare ul{margin:14px 0 0;padding:0;list-style:none}
.compare li{padding:10px 0;border-top:1px solid rgba(246,243,236,.12);font-size:15px}
.device-list{display:flex;flex-direction:column;gap:12px}
.device-row{display:grid;grid-template-columns:120px minmax(0,1fr) 160px;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.device-row:nth-child(2){margin-left:36px}
.device-row:nth-child(3){margin-left:72px}
.device-row h3{font-size:20px}
.device-row p{color:var(--muted)}
.rule-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.2fr);gap:28px;align-items:start}
.rule-copy p+p{margin-top:.9em}
.rule-copy p{font-size:16px;color:rgba(246,243,236,.84)}
.faq{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;justify-content:space-between;gap:16px;align-items:center;text-align:left;background:transparent;color:var(--text);border:0;padding:16px 18px;font-size:17px;cursor:pointer;line-height:1.6}
.plus{font-size:22px;color:var(--amber);transition:transform .18s ease}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 18px 16px;color:var(--muted)}
.faq-item.is-open .faq-a{display:block}
.read-row{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.read-card{scroll-snap-align:start;flex:0 0 300px;background:#1C221E;border:1px solid rgba(246,243,236,.1);border-radius:14px;padding:18px;min-height:168px;display:flex;flex-direction:column;justify-content:space-between;transition:border-color .18s ease}
.read-card:hover{border-color:var(--lime)}
.read-card h3{font-size:18px}
.read-card p{color:rgba(246,243,236,.72);font-size:14px;margin-top:8px}
.close-panel{display:flex;justify-content:space-between;align-items:center;gap:24px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:var(--shadow)}
.close-panel h2{font-size:clamp(26px,3vw,36px)}
.footer{background:#141816;color:var(--cream);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:22px}
.foot-grid h3{font-size:14px;color:var(--amber);margin-bottom:10px}
.foot-grid a{display:block;padding:4px 0;color:rgba(246,243,236,.8);font-size:14px}
.foot-grid a:hover{color:var(--lime)}
.copy{margin-top:28px;padding-top:16px;border-top:1px solid rgba(246,243,236,.12);color:rgba(246,243,236,.62);font-size:13px}
@media(max-width:1024px){
 .device-row:nth-child(2),.device-row:nth-child(3){margin-left:0}
 .foot-grid{grid-template-columns:1fr 1fr 1fr}
 .rule-grid{grid-template-columns:1fr}
}
@media(max-width:860px){
 .menu,.nav-cta{display:none}
 .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
 .feed-card,.device-row,.compare,.close-panel,.sec-head{grid-template-columns:1fr;display:grid}
 .feed-side{align-items:flex-start;flex-direction:row;flex-wrap:wrap}
 .hotbar{align-items:flex-start;flex-direction:column}
 .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 :root{--space:52px}
 .site-nav{width:calc(100% - 24px);top:12px;margin-top:12px}
 .wrap{width:calc(100% - 28px)}
 .page-head h1{font-size:30px}
 .foot-grid{grid-template-columns:1fr}
 .read-card{flex-basis:84%}
}

/* roulang page: category1 */
:root{
 --ink:#141816;
 --cream:#F6F3EC;
 --amber:#E3A15A;
 --lime:#C6F25A;
 --rose:#C56D7C;
 --card-dark:#1C221E;
 --text:#17211C;
 --muted:#5E675F;
 --line:rgba(20,24,22,.14);
 --line-light:rgba(246,243,236,.16);
 --radius-nav:22px;
 --radius-card:14px;
 --radius-btn:999px;
 --radius-badge:6px;
 --shadow:0 10px 28px rgba(20,24,22,.08);
 --font:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
 --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
 --space:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.8;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
button,input{font-family:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.25;font-weight:700}
p+p{margin-top:.9em}
.wrap{width:min(1120px,calc(100% - 36px));margin:0 auto}
.muted{color:var(--muted)}
.band-dark .muted{color:rgba(246,243,236,.72)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.section{padding:var(--space) 0}
.band-cream{background:var(--cream);color:var(--text)}
.band-white{background:#fff;color:var(--text)}
.band-soft{background:#EFEAE1;color:var(--text)}
.band-dark{background:var(--ink);color:var(--cream)}
.band-head{background:
 radial-gradient(520px 180px at 8% 0%,rgba(227,161,90,.28),transparent 70%),
 radial-gradient(420px 200px at 92% 10%,rgba(198,242,90,.2),transparent 72%),
 var(--cream)}
.site-nav{position:sticky;top:22px;z-index:40;width:min(1120px,calc(100% - 36px));margin:22px auto 0}
.nav-shell{height:64px;display:flex;align-items:center;gap:18px;padding:0 14px 0 18px;background:#1C221E;color:var(--cream);border:1px solid rgba(246,243,236,.12);border-radius:var(--radius-nav);box-shadow:var(--shadow)}
.site-nav.is-stuck .nav-shell{box-shadow:0 12px 30px rgba(20,24,22,.18)}
.brand{display:flex;flex-direction:column;justify-content:center;min-width:132px;line-height:1.15;color:inherit}
.brand strong{font-size:16px;font-weight:700;color:#F6F3EC}
.brand span{font-size:12px;color:var(--amber);font-style:normal;font-weight:600}
.menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.menu a{padding:8px 12px;border-radius:999px;font-size:14px;color:rgba(246,243,236,.86);transition:background .18s ease,color .18s ease}
.menu a:hover,.menu a:focus-visible{color:#141816;background:var(--lime)}
.menu a.active{color:#141816;background:var(--cream)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:14px;font-weight:700;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.menu a:focus-visible,.faq-q:focus-visible,.icon-btn:focus-visible,.text-link:focus-visible,.chip:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-lime{background:var(--lime);color:#141816}
.btn-lime:hover{background:#d5f87a}
.btn-ghost{background:transparent;color:var(--cream);border-color:rgba(246,243,236,.28)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.btn-ink{background:var(--ink);color:var(--cream)}
.btn-ink:hover{background:#222824}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:14px;border:1px solid rgba(246,243,236,.2);background:transparent;color:var(--cream);cursor:pointer;font-size:12px;font-weight:700}
.drawer{display:none;position:fixed;z-index:45;top:98px;left:18px;right:18px;background:#1C221E;color:var(--cream);border:1px solid rgba(246,243,236,.12);border-radius:22px;padding:14px;box-shadow:var(--shadow)}
.drawer.is-open{display:block}
.drawer a{display:block;padding:12px 12px;border-radius:12px;color:rgba(246,243,236,.9)}
.drawer a.item:hover,.drawer a.item.active{background:rgba(198,242,90,.16);color:var(--lime)}
.drawer .btn{width:100%;margin-top:8px}
.crumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a{border-bottom:1px solid transparent}
.crumb a:hover{color:var(--ink);border-bottom-color:var(--amber)}
.status-strip{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;box-shadow:0 0 0 4px rgba(198,242,90,.25)}
.strip-pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:700}
.page-head h1{font-size:clamp(28px,4vw,44px);letter-spacing:-.02em;max-width:16em;margin:8px 0 12px}
.lead{max-width:40em;color:var(--muted);font-size:16px}
.filters{margin-top:26px;display:flex;flex-direction:column;gap:12px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow)}
.filter-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.filter-label{min-width:72px;font-size:13px;font-weight:700;color:var(--muted)}
.chip{height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:13px;font-weight:700;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease}
.chip.is-on,.chip:hover{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.sec-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;margin-bottom:22px}
.sec-head h2{font-size:clamp(24px,3vw,32px);max-width:16em}
.sec-head p{max-width:22em;color:var(--muted)}
.band-dark .sec-head p{color:rgba(246,243,236,.72)}
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.entry{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);min-height:168px;transition:transform .18s ease,border-color .18s ease}
.entry:hover{transform:translateY(-2px);border-color:#141816}
.entry a{display:flex;flex-direction:column;align-items:flex-start;gap:10px;height:100%;padding:20px}
.entry h3{font-size:22px}
.entry p{color:var(--muted)}
.entry-wide{grid-column:1 / -1;background:#141816;color:var(--cream);border-color:#141816}
.entry-wide p{color:rgba(246,243,236,.76)}
.entry-wide .meta-line{color:var(--amber)}
.meta-line{font-size:12px;color:var(--muted);font-family:var(--mono)}
.more-row{display:flex;justify-content:flex-end;margin-top:14px}
.text-link{color:#141816;font-weight:700;border-bottom:1px solid var(--amber);padding-bottom:2px}
.text-link:hover{color:#5c3d22}
.band-dark .text-link{color:var(--lime);border-bottom-color:var(--amber)}
.empty{margin-top:12px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 8px;border-radius:var(--radius-badge);font-size:12px;font-weight:700}
.badge-lime{background:var(--lime);color:#141816}
.badge-amber{background:var(--amber);color:#141816}
.badge-rose{background:var(--rose);color:#fff}
.badge-line{background:transparent;border:1px solid rgba(246,243,236,.3);color:var(--cream)}
.density{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:36px;align-items:start}
.density h2{font-size:clamp(24px,3vw,32px);margin-bottom:10px}
.dense-list{list-style:none;margin:0;padding:0;border-top:1px solid rgba(246,243,236,.16)}
.dense-list li{display:flex;justify-content:space-between;gap:18px;align-items:baseline;padding:16px 0;border-bottom:1px solid rgba(246,243,236,.16)}
.dense-list strong{font-size:18px}
.dense-list span{color:rgba(246,243,236,.78);text-align:right}
.update-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.update-cell{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow);min-height:150px;display:flex;flex-direction:column;justify-content:space-between}
.update-cell:hover{border-color:#141816}
.update-cell b{display:block;font-size:18px;line-height:1.45;font-weight:700}
.update-cell time{color:var(--amber);font-family:var(--mono);font-size:13px}
.scene-list{display:flex;flex-direction:column;gap:12px}
.scene-bar{display:grid;grid-template-columns:148px 1fr;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-left:4px solid var(--lime);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.scene-bar:nth-child(2){border-left-color:var(--amber)}
.scene-bar:nth-child(3){border-left-color:var(--rose)}
.scene-bar strong{font-size:18px}
.scene-bar p{color:var(--muted)}
.faq{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#1C221E;border:1px solid rgba(246,243,236,.1);border-radius:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;gap:16px;align-items:center;text-align:left;background:transparent;color:var(--cream);border:0;padding:16px 18px;font-size:17px;cursor:pointer;line-height:1.6}
.faq-q:hover{color:var(--lime)}
.plus{font-family:var(--mono);font-size:22px;line-height:1;color:var(--lime);transition:transform .18s ease}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 18px 16px;color:rgba(246,243,236,.8)}
.faq-item.is-open .faq-a{display:block}
.relate{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.relate a{scroll-snap-align:start;flex:0 0 300px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;min-height:148px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}
.relate a:hover{border-color:#141816;transform:translateY(-2px)}
.relate small{color:var(--amber);font-family:var(--mono)}
.close-bar{display:flex;justify-content:space-between;gap:22px;align-items:center;background:#1C221E;color:var(--cream);border-radius:18px;padding:28px 28px;border:1px solid rgba(246,243,236,.1);box-shadow:var(--shadow)}
.close-bar h2{font-size:clamp(24px,3vw,34px);margin-bottom:8px}
.close-bar p{color:rgba(246,243,236,.75)}
.footer{background:#141816;color:var(--cream);padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:22px}
.foot-grid h3{font-size:14px;color:var(--amber);margin:0 0 10px;font-weight:700}
.foot-grid a{display:block;padding:4px 0;color:rgba(246,243,236,.82);font-size:14px}
.foot-grid a:hover{color:var(--lime)}
.footer .brand strong{color:#F6F3EC}
.copy{margin-top:28px;padding-top:16px;border-top:1px solid rgba(246,243,236,.12);color:rgba(246,243,236,.62);font-size:13px}
.dock{position:fixed;left:18px;right:18px;bottom:12px;z-index:50;display:none;align-items:center;justify-content:space-between;gap:12px;height:64px;max-height:64px;padding:0 10px 0 18px;background:#1C221E;color:var(--cream);border:1px solid rgba(246,243,236,.12);border-radius:22px;box-shadow:0 10px 28px rgba(20,24,22,.18)}
.dock.is-on{display:flex}
.dock-title{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{height:36px;padding:0 12px;border-radius:999px;border:1px solid rgba(246,243,236,.2);background:transparent;color:var(--cream);cursor:pointer;font-size:13px}
.icon-btn:hover{border-color:var(--amber);color:var(--amber)}
body.has-dock{padding-bottom:84px}
@media (max-width:1024px){
 .update-grid{grid-template-columns:1fr 1fr}
 .density{grid-template-columns:1fr;gap:18px}
 .foot-grid{grid-template-columns:1fr 1fr 1fr}
 .foot-grid div:first-child{grid-column:1 / -1}
}
@media (max-width:768px){
 :root{--space:56px}
 .menu{display:none}
 .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
 .entry-grid{grid-template-columns:1fr}
 .scene-bar{grid-template-columns:1fr;gap:4px}
 .sec-head,.close-bar{flex-direction:column;align-items:flex-start}
 .relate a{flex-basis:240px}
 .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
 .wrap,.site-nav{width:calc(100% - 24px)}
 .nav-shell{padding:0 10px 0 12px;gap:8px}
 .brand{min-width:0}
 .brand strong{font-size:14px}
 .nav-cta{padding:0 12px;min-height:38px}
 .page-head h1{font-size:28px}
 .update-grid,.foot-grid{grid-template-columns:1fr}
 .filters{padding:12px}
 .filter-label{min-width:100%}
 .close-bar{padding:22px 16px}
 .dock{left:12px;right:12px}
 .section{padding:56px 0}
}