/* roulang page: index */
:root{
  --bg:#070d18;
  --bg-2:#0b1526;
  --surface:rgba(255,255,255,.06);
  --surface-strong:rgba(12,28,52,.78);
  --primary:#3ee0ff;
  --primary-deep:#1492ff;
  --accent:#f0c9a0;
  --text:#e7f3ff;
  --text-2:#b7c9dc;
  --text-3:#8496aa;
  --line:rgba(62,224,255,.28);
  --line-soft:rgba(255,255,255,.08);
  --glow:0 0 24px rgba(62,224,255,.38);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 42px rgba(0,0,0,.38);
  --container:1120px;
  --pad:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  background:
    radial-gradient(880px 380px at 88% -8%, rgba(62,224,255,.09), transparent 62%),
    var(--bg);
  color-scheme:dark;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,summary{font:inherit;color:inherit}
button{cursor:pointer}
p{margin:0 0 .8em}
h1,h2,h3,h4{line-height:1.28;margin:0 0 .55em;font-weight:700}
.num{font-variant-numeric:tabular-nums;font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
.section{padding:var(--pad) 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.01));border-block:1px solid var(--line-soft)}
.lead{max-width:44em;color:var(--text-2);font-size:1.02rem}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:.86rem;letter-spacing:.08em;margin-bottom:12px}
.kicker i{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(240,201,160,.15)}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,13,24,.74);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(62,224,255,.22);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:760;font-size:1.02rem;letter-spacing:.02em}
.logo-mark{width:14px;height:22px;border-radius:4px 8px 8px 4px;background:
  radial-gradient(circle at 0 6px,transparent 4px,var(--accent) 4.5px) 0 0/14px 11px repeat-y;
  box-shadow:var(--glow)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a,.drawer-links a{
  padding:8px 12px;border-radius:999px;color:var(--text-2);border:1px solid transparent
}
.nav-links a:hover,.drawer-links a:hover{color:var(--text);background:rgba(62,224,255,.08)}
.nav-links a.active,.drawer-links a.active{color:#041018;background:var(--primary);box-shadow:var(--glow)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;border:1px solid var(--line);background:var(--surface);color:var(--text);
  border-radius:999px;padding:8px 14px
}
.nav-toggle:focus-visible,.btn:focus-visible,a:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);outline-offset:3px
}
.nav-drawer{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;border-radius:999px;border:1px solid transparent;
  transition:transform .18s ease,filter .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:linear-gradient(180deg,#67eeff,var(--primary-deep));color:#041018;box-shadow:var(--glow);font-weight:700}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:rgba(62,224,255,.1)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:28px;align-items:stretch}
.hero h1{font-size:clamp(2rem,4.4vw,3.45rem);letter-spacing:-.02em}
.hero-sub{font-size:1.12rem;color:var(--text);margin-bottom:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quick{
  position:relative;overflow:hidden;min-height:148px;padding:14px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--surface-strong);box-shadow:var(--shadow);
  display:flex;flex-direction:column;justify-content:space-between
}
.quick:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--glow)}
.screen{
  position:relative;border-radius:var(--radius-sm);overflow:hidden;background:
    radial-gradient(90% 70% at 30% 30%, rgba(62,224,255,.28), transparent 55%),
    radial-gradient(70% 60% at 80% 70%, rgba(20,146,255,.22), transparent 50%),
    #09111f;
  box-shadow:inset 0 0 70px rgba(0,0,0,.55);
  aspect-ratio:16/10
}
.screen.tall{aspect-ratio:16/11;min-height:180px}
.screen::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 50%, transparent 40%, rgba(0,0,0,.55) 100%);pointer-events:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:999px;
  background:rgba(240,201,160,.14);color:var(--accent);border:1px solid rgba(240,201,160,.35);
  font-size:.78rem
}
.badge.cyan{background:rgba(62,224,255,.1);color:var(--primary);border-color:var(--line)}
.status-bar{
  display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:10px;padding:10px;
  border-radius:999px;border:1px solid var(--line);background:rgba(8,18,34,.8)
}
.status-bar div{padding:8px 14px;border-radius:999px}
.status-bar strong{display:block;color:var(--text);font-weight:700}
.status-bar span{color:var(--text-3);font-size:.84rem}
.bento{display:grid;grid-template-columns:1.35fr .9fr .9fr;grid-template-areas:"a b c" "a d d";gap:14px}
.bento article{padding:20px;border-radius:var(--radius);border:1px solid var(--line-soft);background:var(--surface);min-height:160px}
.bento article:first-child{grid-area:a;background:linear-gradient(180deg,rgba(62,224,255,.08),rgba(255,255,255,.03));border-color:var(--line)}
.bento article:hover{border-color:var(--line);transform:translateY(-2px)}
.card-link{color:var(--primary);font-weight:650}
.card-link:hover{text-decoration:underline}
.rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 12px}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-thumb{background:rgba(62,224,255,.35);border-radius:99px}
.scene{flex:0 0 280px;scroll-snap-align:start;padding:18px;border-radius:var(--radius);background:var(--surface-strong);border:1px solid var(--line-soft)}
.scene:hover{border-color:var(--primary)}
.wall{display:grid;grid-template-columns:1.55fr .8fr;gap:14px}
.side-stack{display:grid;gap:14px}
.shot{position:relative}
.shot .badge{position:absolute;left:12px;bottom:12px;z-index:1}
.cases{display:grid;grid-template-columns:1.45fr .85fr;gap:16px}
.case-card{padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(10,22,40,.72);box-shadow:var(--shadow)}
.case-card.small{align-self:end}
.price-grid{display:grid;grid-template-columns:.92fr 1.08fr .92fr;gap:14px;align-items:stretch}
.ticket{
  position:relative;padding:22px 22px 22px 28px;border-radius:0 var(--radius) var(--radius) 0;
  background:var(--surface-strong);border:1px solid var(--line-soft);overflow:hidden
}
.ticket::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:16px;
  background:radial-gradient(circle at 0 12px,var(--bg) 7px,transparent 8px);
  background-size:16px 24px
}
.ticket.featured{border-color:var(--primary);box-shadow:var(--glow);background:linear-gradient(180deg,rgba(62,224,255,.12),rgba(12,28,52,.9))}
.price{font-size:1.8rem;color:var(--primary)}
.review-grid{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:12px}
.review{padding:16px 16px 14px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line-soft)}
.review:nth-child(2),.review:nth-child(5){margin-top:22px}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.quote{padding:22px;border-radius:var(--radius);background:rgba(255,255,255,.04);border-left:3px solid var(--primary)}
.news{display:flex;flex-direction:column;gap:10px}
.news a.row{
  display:grid;grid-template-columns:92px 1fr auto;gap:14px;align-items:center;
  padding:14px;border-radius:var(--radius-sm);border:1px solid var(--line-soft);background:rgba(255,255,255,.03)
}
.news a.row:hover{border-color:var(--line);background:rgba(62,224,255,.06)}
.list-more{margin-top:16px}
.split{display:grid;grid-template-columns:1fr 1fr;min-height:280px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.split section{padding:28px}
.split .left{background:rgba(62,224,255,.06)}
.split .right{background:rgba(240,201,160,.05)}
.timeline{position:relative;margin-left:12px;display:flex;flex-direction:column;gap:14px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:var(--line)}
.node{position:relative;padding:14px 16px 14px 36px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line-soft)}
.node::before{content:"";position:absolute;left:2px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--primary);box-shadow:var(--glow)}
.faq details{border-bottom:1px solid var(--line-soft);padding:12px 0}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";color:var(--primary)}
.faq details[open] summary::after{content:"－"}
.faq details p{color:var(--text-2);margin:.55em 0 0}
.cta-band{
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  padding:26px;border-radius:var(--radius);border:1px solid var(--line);
  background:
    radial-gradient(500px 120px at 90% 0, rgba(62,224,255,.16), transparent 60%),
    rgba(8,20,38,.88);
  box-shadow:var(--glow)
}
.entry-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:14px}
.entry{
  display:block;padding:24px;border-radius:var(--radius);min-height:180px;
  border:1px solid var(--line);background:var(--surface-strong)
}
.entry:hover{transform:translateY(-3px);box-shadow:var(--glow)}
.entry.alt-entry{background:rgba(240,201,160,.05)}
.site-footer{padding:42px 0 28px;border-top:1px solid rgba(62,224,255,.2);background:#060b14}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}
.foot-links{display:flex;flex-wrap:wrap;gap:10px 16px}
.foot-links a{color:var(--text-2)}
.foot-links a:hover{color:var(--primary)}
.copy{color:var(--text-3);font-size:.9rem;margin-top:18px}
@media (max-width:1024px){
  :root{--pad:60px}
  .hero-grid,.wall,.cases,.price-grid,.quote-grid,.split,.entry-grid,.foot-grid,.bento{grid-template-columns:1fr;grid-template-areas:none}
  .status-bar{grid-template-columns:1fr 1fr;border-radius:var(--radius)}
  .review-grid{grid-template-columns:1fr 1fr}
  .bento article:first-child{grid-area:auto}
  .ticket.featured{margin:0}
}
@media (max-width:768px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-drawer.is-open{display:flex;flex-direction:column;gap:12px;padding:0 0 16px}
  .drawer-links{display:flex;flex-direction:column;gap:6px}
  .news a.row{grid-template-columns:1fr}
  .status-bar{grid-template-columns:1fr;border-radius:18px}
  .review-grid{grid-template-columns:1fr}
  .review:nth-child(2),.review:nth-child(5){margin-top:0}
}
@media (max-width:520px){
  .container{width:min(calc(100% - 28px),var(--container))}
  .hero h1{font-size:1.85rem}
  .quick-grid{grid-template-columns:1fr}
  .hero-actions .btn,.cta-band .btn{width:100%}
  .scene{flex-basis:82vw}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category1 */
:root{
 --bg:#070d18;
 --bg-2:#0b1526;
 --surface:rgba(255,255,255,.06);
 --surface-strong:rgba(12,28,52,.78);
 --primary:#3ee0ff;
 --primary-deep:#1492ff;
 --accent:#f0c9a0;
 --text:#e7f3ff;
 --text-2:#b7c9dc;
 --text-3:#8496aa;
 --line:rgba(62,224,255,.28);
 --line-soft:rgba(255,255,255,.08);
 --glow:0 0 24px rgba(62,224,255,.38);
 --radius:18px;
 --radius-sm:12px;
 --shadow:0 18px 42px rgba(0,0,0,.38);
 --container:1120px;
 --pad:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 color:var(--text);
 font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
 font-size:16px;
 line-height:1.75;
 background:
 radial-gradient(880px 380px at 88% -8%, rgba(62,224,255,.09), transparent 62%),
 var(--bg);
 color-scheme:dark;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,summary{font:inherit;color:inherit}
button{cursor:pointer}
p{margin:0 0 .7em}
h1,h2,h3{line-height:1.25;margin:0 0 .45em;font-weight:760}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
.section{padding:var(--pad) 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.01));border-block:1px solid var(--line-soft)}
.num{font-variant-numeric:tabular-nums}
.site-header{
 position:sticky;top:0;z-index:50;
 background:rgba(7,13,24,.74);
 backdrop-filter:blur(18px);
 border-bottom:1px solid rgba(62,224,255,.22);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:760;font-size:1.02rem;letter-spacing:.02em}
.logo-mark{width:14px;height:22px;flex:none;border-radius:4px 8px 8px 4px;background:
 radial-gradient(circle at 0 6px,transparent 4px,var(--accent) 4.5px) 0 0/14px 11px repeat-y;
 box-shadow:var(--glow)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a,.drawer-links a{
 padding:8px 12px;border-radius:999px;color:var(--text-2);border:1px solid transparent
}
.nav-links a:hover,.drawer-links a:hover{color:var(--text);background:rgba(62,224,255,.08)}
.nav-links a.active,.drawer-links a.active{color:#041018;background:var(--primary);box-shadow:var(--glow)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;border:1px solid var(--line);background:var(--surface);color:var(--text);
 border-radius:999px;padding:8px 14px
}
.nav-toggle:hover{background:rgba(62,224,255,.1)}
.nav-toggle:focus-visible,.btn:focus-visible,a:focus-visible,summary:focus-visible,.sort-bar a:focus-visible{
 outline:2px solid var(--primary);outline-offset:3px
}
.nav-drawer{display:none}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:44px;padding:0 18px;border-radius:999px;border:1px solid transparent;
 transition:transform .18s ease,filter .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:linear-gradient(180deg,#67eeff,var(--primary-deep));color:#041018;box-shadow:var(--glow);font-weight:700}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:rgba(62,224,255,.1)}
.badge{
 display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:999px;
 background:rgba(240,201,160,.14);color:var(--accent);border:1px solid rgba(240,201,160,.35);
 font-size:.78rem
}
.badge.cyan{background:rgba(62,224,255,.1);color:var(--primary);border-color:var(--line)}
.card-link{color:var(--primary);font-weight:650}
.card-link:hover{text-decoration:underline}
.screen{
 position:relative;overflow:hidden;border-radius:14px;background:#07101c;
 aspect-ratio:16/10;border:1px solid var(--line-soft);
 box-shadow:inset 0 0 80px rgba(0,0,0,.55);
}
.screen::before{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(120px 80px at 30% 40%, rgba(62,224,255,.45), transparent 70%),
 radial-gradient(160px 90px at 72% 58%, rgba(20,146,255,.35), transparent 72%),
 radial-gradient(80px 40px at 50% 100%, rgba(240,201,160,.2), transparent 70%);
}
.screen::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(120% 90% at 50% 50%, transparent 55%, rgba(0,0,0,.55) 100%);
}
.screen .badge{position:absolute;left:12px;bottom:12px;z-index:1}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1.4fr) auto;gap:22px;align-items:end}
.cat-head h1{font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.03em}
.cat-note{max-width:40em;color:var(--text-2);margin:0}
.count-badge{
 min-width:168px;padding:16px 16px 16px 22px;border-radius:16px 18px 18px 16px;
 border:1px solid var(--line);background:var(--surface-strong);box-shadow:var(--shadow);
 position:relative;
}
.count-badge::before{
 content:"";position:absolute;left:-6px;top:10px;bottom:10px;width:10px;
 background:radial-gradient(circle at 0 8px, transparent 5px, var(--bg) 5.5px) 0 0/10px 16px repeat-y;
}
.count-badge strong{display:block;font-size:1.55rem;color:var(--primary);text-shadow:var(--glow)}
.count-badge span{color:var(--text-3);font-size:.86rem}
.duo{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:16px}
.wide-card,.row-item,.pick-row,.scene-item,.quote-card{
 border:1px solid var(--line-soft);background:rgba(255,255,255,.035);
 border-radius:var(--radius);box-shadow:var(--shadow)
}
.wide-card{padding:14px;display:flex;flex-direction:column;gap:12px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.wide-card:hover{transform:translateY(-3px);border-color:var(--line);box-shadow:var(--glow)}
.wide-card h2,.pick-row h2,.scene-col h2,.review-stack h2,.faq h2,.sort-sec h2,.list-sec h2{font-size:1.35rem}
.wide-card p,.row-item p,.pick-copy p,.quote-card p{color:var(--text-2);margin:0}
.meta-line{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--text-3);font-size:.9rem}
.row-list{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.row-item{
 display:grid;grid-template-columns:148px minmax(0,1fr) auto;gap:14px;align-items:center;
 padding:10px;transition:border-color .18s ease,background .18s ease,transform .18s ease
}
.row-item:hover{border-color:var(--line);background:rgba(62,224,255,.06);transform:translateY(-2px)}
.row-item .screen{aspect-ratio:16/10}
.row-item h3{margin:0 0 4px;font-size:1.05rem}
.sort-bar{display:flex;flex-wrap:wrap;gap:10px}
.sort-bar a{
 min-height:42px;padding:0 16px;display:inline-flex;align-items:center;border-radius:999px;
 border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);
 transition:background .18s ease,color .18s ease,transform .18s ease
}
.sort-bar a:hover,.sort-bar a.is-on{color:#041018;background:var(--primary);box-shadow:var(--glow);transform:translateY(-2px)}
.sort-bar a:active{transform:scale(.98)}
.pick-row{display:grid;grid-template-columns:minmax(220px,.72fr) minmax(0,1.28fr);gap:18px;align-items:center;padding:14px;border-color:var(--line)}
.pick-copy{padding:8px 8px 8px 4px}
.scene-col{display:flex;flex-direction:column;gap:10px;max-width:760px}
.scene-item{padding:16px 18px 16px 22px;position:relative}
.scene-item::before{
 content:"";position:absolute;left:0;top:14px;bottom:14px;width:8px;
 background:radial-gradient(circle at 0 9px, transparent 4px, rgba(240,201,160,.85) 4.5px) 0 0/8px 16px repeat-y;
}
.scene-item h3{margin:0 0 4px;font-size:1.05rem}
.review-stack{display:flex;flex-direction:column;gap:12px}
.quote-card{padding:18px 18px 16px}
.quote-card:nth-child(2){margin-left:8%;width:92%}
.quote-card:nth-child(3){margin-right:12%;width:88%}
.who{color:var(--accent);font-size:.86rem}
.faq details{border-bottom:1px solid var(--line-soft);padding:12px 0}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";color:var(--primary)}
.faq details[open] summary::after{content:"－"}
.faq details p{color:var(--text-2);margin:.55em 0 0}
.cta-band{
 display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
 padding:26px;border-radius:var(--radius);border:1px solid var(--line);
 background:
 radial-gradient(500px 120px at 90% 0, rgba(62,224,255,.16), transparent 60%),
 rgba(8,20,38,.88);
 box-shadow:var(--glow)
}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px}
.site-footer{padding:42px 0 28px;border-top:1px solid rgba(62,224,255,.2);background:#060b14}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}
.foot-links{display:flex;flex-wrap:wrap;gap:10px 16px;align-content:start}
.foot-links a{color:var(--text-2)}
.foot-links a:hover{color:var(--primary)}
.copy{color:var(--text-3);margin-top:18px}
.kicker{color:var(--primary);font-size:.82rem;letter-spacing:.08em}
@media (max-width:1024px){
 :root{--pad:60px}
 .duo,.pick-row{grid-template-columns:1fr}
 .quote-card:nth-child(2),.quote-card:nth-child(3){margin:0;width:100%}
}
@media (max-width:768px){
 .nav-links,.nav-cta{display:none}
 .nav-toggle{display:inline-flex}
 .nav-drawer.is-open{display:flex;flex-direction:column;gap:12px;padding:0 0 16px}
 .drawer-links{display:flex;flex-direction:column;gap:6px}
 .nav-drawer .cta-actions{display:flex}
 .cat-head-grid,.foot-grid,.row-item{grid-template-columns:1fr}
 .count-badge{width:100%}
 .row-item .screen{max-width:220px}
}
@media (max-width:520px){
 :root{--pad:46px}
 .container{width:min(calc(100% - 28px),var(--container))}
 .cat-head h1{font-size:1.85rem}
 .cta-band{padding:18px}
 .btn{width:100%}
 .nav-drawer .cta-actions,.cta-actions{flex-direction:column}
 .hero-actions,.nav-cta{width:auto}
}

/* roulang page: category2 */
:root{
 --bg:#070d18;
 --bg-2:#0b1526;
 --surface:rgba(255,255,255,.06);
 --surface-strong:rgba(12,28,52,.78);
 --primary:#3ee0ff;
 --primary-deep:#1492ff;
 --accent:#f0c9a0;
 --text:#e7f3ff;
 --text-2:#b7c9dc;
 --text-3:#8496aa;
 --line:rgba(62,224,255,.28);
 --line-soft:rgba(255,255,255,.08);
 --glow:0 0 24px rgba(62,224,255,.38);
 --radius:18px;
 --radius-sm:12px;
 --shadow:0 18px 42px rgba(0,0,0,.38);
 --container:1120px;
 --pad:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 color:var(--text);
 font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
 font-size:16px;
 line-height:1.75;
 background:
  radial-gradient(880px 380px at 88% -8%, rgba(62,224,255,.09), transparent 62%),
  var(--bg);
 color-scheme:dark;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,summary{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,p,ul,ol,blockquote{margin:0}
h1{font-size:clamp(2rem,4vw,3.05rem);line-height:1.18;letter-spacing:-.02em;font-weight:760}
h2{font-size:clamp(1.35rem,2.2vw,1.85rem);line-height:1.32;font-weight:720}
h3{font-size:1.06rem;line-height:1.45;font-weight:680}
p+p{margin-top:.75em}
ul,ol{padding:0;list-style:none}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
.section{padding:var(--pad) 0;position:relative}
.section.alt{
 background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.01));
 border-block:1px solid var(--line-soft);
}
.lead{max-width:46em;color:var(--text-2);font-size:1.02rem;margin-top:12px}
.kicker{color:var(--accent);font-size:.82rem;letter-spacing:.08em;margin-bottom:8px}
.block-head{margin-bottom:22px;max-width:40em}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.site-header{
 position:sticky;top:0;z-index:50;
 background:rgba(7,13,24,.74);
 backdrop-filter:blur(18px);
 border-bottom:1px solid rgba(62,224,255,.22);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:760;font-size:1.02rem;letter-spacing:.02em;white-space:nowrap}
.logo-mark{
 width:14px;height:22px;flex:none;border-radius:4px 8px 8px 4px;
 background:radial-gradient(circle at 0 6px,transparent 4px,var(--accent) 4.5px) 0 0/14px 11px repeat-y;
 box-shadow:var(--glow);
}
.nav-links,.drawer-links{display:flex;align-items:center;gap:6px}
.nav-links a,.drawer-links a{
 padding:8px 12px;border-radius:999px;color:var(--text-2);border:1px solid transparent;
 transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-links a:hover,.drawer-links a:hover{color:var(--text);background:rgba(62,224,255,.08)}
.nav-links a.active,.drawer-links a.active{color:#041018;background:var(--primary);box-shadow:var(--glow)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;border:1px solid var(--line);background:var(--surface);color:var(--text);
 border-radius:999px;padding:8px 14px;min-height:40px;
}
.nav-toggle:hover{background:rgba(62,224,255,.1)}
.nav-toggle:active{transform:scale(.98)}
.nav-drawer{display:none}
.nav-toggle:focus-visible,.btn:focus-visible,a:focus-visible,summary:focus-visible{
 outline:2px solid var(--primary);outline-offset:3px;
}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:44px;padding:0 18px;border-radius:999px;border:1px solid transparent;
 transition:transform .18s ease,filter .18s ease,background .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn-primary{
 background:linear-gradient(180deg,#67eeff,var(--primary-deep));
 color:#041018;box-shadow:var(--glow);font-weight:700;
}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:rgba(62,224,255,.1)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{
 display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:999px;
 background:rgba(240,201,160,.14);color:var(--accent);border:1px solid rgba(240,201,160,.35);
 font-size:.78rem;
}
.badge.cyan{background:rgba(62,224,255,.1);color:var(--primary);border-color:var(--line)}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.card-link{color:var(--primary);font-weight:650}
.card-link:hover{text-decoration:underline}
.cat-head{padding-top:42px}
.cat-head .lead{font-size:1.08rem}
.timeline{position:relative;display:flex;flex-direction:column;gap:16px;margin-left:8px}
.timeline::before{
 content:"";position:absolute;left:0;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--primary),rgba(62,224,255,.05));
 box-shadow:var(--glow);
}
.tl-item{position:relative;margin-left:28px}
.tl-item::before{
 content:"";position:absolute;left:-33px;top:26px;width:12px;height:12px;border-radius:50%;
 background:var(--primary);box-shadow:var(--glow);
}
.tl-item:nth-child(2){margin-right:14%}
.tl-item:nth-child(3){margin-left:58px}
.tl-item:nth-child(3)::before{left:-63px}
.tl-item:nth-child(4){margin-right:18%}
.tl-card{
 padding:18px;border-radius:var(--radius);border:1px solid var(--line-soft);
 background:var(--surface-strong);box-shadow:var(--shadow);
 backdrop-filter:blur(10px);
 transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.tl-card:hover{transform:translateY(-3px);border-color:var(--line);box-shadow:var(--glow)}
.tl-card p{color:var(--text-2)}
.tl-card h2{margin:4px 0 8px}
.screen{
 position:relative;aspect-ratio:16/9;border-radius:var(--radius-sm);overflow:hidden;margin-bottom:12px;
 background:
  radial-gradient(140px 90px at 28% 42%, rgba(62,224,255,.42), transparent 70%),
  radial-gradient(180px 110px at 72% 58%, rgba(20,146,255,.32), transparent 72%),
  #07111f;
 box-shadow:inset 0 0 90px rgba(0,0,0,.75);
}
.screen .badge{position:absolute;left:12px;bottom:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-row a{
 display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:999px;
 border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);
 transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.tag-row a:hover{transform:translateY(-2px);background:rgba(62,224,255,.12);box-shadow:var(--glow)}
.tag-row a:active{transform:scale(.98)}
.cmp{display:grid;grid-template-columns:1.22fr .78fr;gap:14px}
.cmp-col{
 padding:22px;border-radius:var(--radius);border:1px solid var(--line-soft);
 background:rgba(10,22,40,.72);box-shadow:var(--shadow);min-height:100%;
}
.cmp-col p{color:var(--text-2);margin-top:10px}
.cmp-col.side{
 background:
  radial-gradient(280px 120px at 100% 0, rgba(240,201,160,.12), transparent 60%),
  rgba(8,18,34,.88);
}
.ticket{
 position:relative;overflow:hidden;padding:26px 26px 26px 40px;border-radius:var(--radius);
 border:1px solid var(--primary);background:linear-gradient(180deg,rgba(62,224,255,.12),rgba(12,28,52,.92));
 box-shadow:var(--glow);max-width:640px;
}
.ticket::before{
 content:"";position:absolute;left:0;top:0;bottom:0;width:16px;
 background:radial-gradient(circle at 0 12px, transparent 7px, rgba(240,201,160,.9) 7.5px) 0 0/16px 22px repeat-y;
}
.ticket-points{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.ticket-points li{
 padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--line-soft);
 background:rgba(255,255,255,.03);color:var(--text-2);
}
.ticket .btn{margin-top:16px}
.cal-week,.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}
.cal-week span{color:var(--text-3);font-size:.78rem;text-align:center}
.cal-cell{
 min-height:92px;padding:8px;border-radius:var(--radius-sm);border:1px solid var(--line-soft);
 background:rgba(255,255,255,.03);color:var(--text-3);display:flex;flex-direction:column;gap:6px;
 transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.cal-cell strong{font-weight:650;color:var(--text);font-size:.92rem;line-height:1.4}
.cal-cell .day{font-size:.75rem}
.cal-cell.is-on{border-color:var(--line);background:rgba(62,224,255,.08);color:var(--text-2)}
a.cal-cell.is-on:hover{transform:translateY(-2px);box-shadow:var(--glow);border-color:var(--primary)}
.quote-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:16px}
.quote{
 padding:22px;border-radius:var(--radius);border:1px solid var(--line-soft);
 background:rgba(10,22,40,.72);box-shadow:var(--shadow);color:var(--text-2);
}
.quote b{display:block;color:var(--text);margin-bottom:8px}
.cta-band{
 display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
 padding:26px;border-radius:var(--radius);border:1px solid var(--line);
 background:
  radial-gradient(500px 120px at 90% 0, rgba(62,224,255,.16), transparent 60%),
  rgba(8,20,38,.88);
 box-shadow:var(--glow);
}
.site-footer{padding:42px 0 28px;border-top:1px solid rgba(62,224,255,.2);background:#060b14}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}
.foot-links{display:flex;flex-wrap:wrap;gap:10px 16px;align-content:flex-start}
.foot-links a{color:var(--text-2)}
.foot-links a:hover{color:var(--primary)}
.copy{color:var(--text-3);margin-top:14px}
.site-footer .container.copy{margin-top:22px}
@media (max-width:1024px){
 :root{--pad:60px}
 .tl-item,.tl-item:nth-child(2),.tl-item:nth-child(3),.tl-item:nth-child(4){margin-right:0;margin-left:28px}
 .tl-item:nth-child(3)::before{left:-33px}
 .cmp,.quote-grid,.foot-grid{grid-template-columns:1fr}
 .cal-cell{min-height:84px}
}
@media (max-width:768px){
 :root{--pad:48px}
 .nav-bar>.nav-links,.nav-bar>.nav-cta{display:none}
 .nav-toggle{display:inline-flex}
 .nav-drawer.is-open{display:flex;flex-direction:column;gap:12px;padding:0 0 16px}
 .drawer-links{flex-direction:column;align-items:stretch}
 .nav-drawer .nav-cta{display:flex}
 .cal-week{display:none}
 .cal-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
 .logo{font-size:.95rem}
}
@media (max-width:520px){
 :root{--pad:36px}
 .container{width:min(calc(100% - 28px),var(--container))}
 h1{font-size:1.72rem}
 .cal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .ticket{padding:22px 16px 22px 32px}
 .cta-band,.tl-card,.cmp-col,.quote{padding:16px}
 .btn{width:100%}
 .nav-drawer .nav-cta,.btn-row{flex-direction:column}
}