/* roulang page: index */
:root{
  --bg:#0B0714;
  --bg-2:#16102A;
  --bg-3:#1E1735;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.14);
  --grad-brand:linear-gradient(135deg,#7B5CFF 0%,#26D9C7 100%);
  --grad-cta:linear-gradient(135deg,#FF7A2F 0%,#FF5C2B 100%);
  --purple:#7B5CFF;
  --cyan:#26D9C7;
  --gold:#FFD166;
  --text:#F2EFFA;
  --text-2:#A79FC0;
  --text-3:#7C7395;
  --ok:#38D39F;
  --err:#FF5C6C;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(123,92,255,.45),0 26px 60px -26px rgba(123,92,255,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input{font:inherit}
::selection{background:rgba(123,92,255,.4);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,7,20,.72);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-compact{
  background:rgba(11,7,20,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.header-inner{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo__mark{width:32px;height:32px;flex:none;display:block}
.logo__mark svg{width:100%;height:100%;display:block}
.logo__text{display:flex;flex-direction:column;line-height:1.1}
.logo__main{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo__sub{font-size:11px;color:var(--text-2);letter-spacing:.18em;margin-top:3px}
.nav{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav__link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.nav__link:hover{color:#fff}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:#fff}
.nav__link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;flex:none}
.search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;width:220px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:999px;
  transition:width .28s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search:focus-within{width:280px;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(38,217,199,.14)}
.search svg{width:16px;height:16px;flex:none;stroke:var(--text-3)}
.search input{
  border:0;background:transparent;outline:none;color:var(--text);
  font-size:14px;width:100%;min-width:0;
}
.search input::placeholder{color:var(--text-3)}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.menu-toggle svg{width:18px;height:18px;stroke:var(--text)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn--primary{
  background:var(--grad-cta);color:#fff;border:0;
  box-shadow:0 12px 28px -14px rgba(255,92,43,.75);
}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 34px -14px rgba(255,92,43,.85)}
.btn--primary:active{transform:scale(.98)}
.btn--ghost{
  background:transparent;color:var(--text);
  border:1px solid rgba(255,255,255,.18);
}
.btn--ghost:hover{border-color:var(--cyan);background:rgba(38,217,199,.08);color:#fff}
.btn--ghost:active{transform:scale(.98)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--cyan);
  transition:color .2s var(--ease);
}
.text-link .arrow{transition:transform .24s var(--ease)}
.text-link:hover{color:#5cefe0}
.text-link:hover .arrow{transform:translateX(4px)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;line-height:1;color:var(--text-2);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-2);
  white-space:nowrap;
}
.badge--accent{
  color:var(--cyan);background:rgba(38,217,199,.12);
  border-color:rgba(38,217,199,.34);
}
.badge--gold{
  color:var(--gold);background:rgba(255,209,102,.1);
  border-color:rgba(255,209,102,.3);
}

/* ---------- hero ---------- */
.hero{padding:44px 0 80px;position:relative}
.hero__grid{
  display:grid;grid-template-columns:minmax(0,45fr) minmax(0,55fr);
  gap:48px;align-items:center;
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-2);
  margin-bottom:22px;
}
.hero__eyebrow i{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(38,217,199,.16);display:block;
}
.hero__title{
  font-size:56px;line-height:1.16;font-weight:800;letter-spacing:-.01em;
  background:linear-gradient(180deg,#FFFFFF 22%,#CFC6EE 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{
  margin-top:20px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:34em;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__stats{
  display:flex;align-items:stretch;gap:0;margin-top:40px;
  border-top:1px solid var(--line);padding-top:26px;
}
.stat{padding-right:26px;margin-right:26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0;padding-right:0;margin-right:0}
.stat__num{font-size:22px;font-weight:700;line-height:1.2;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.stat__num em{font-style:normal;font-size:13px;color:var(--text-2);margin-left:2px}
.stat__label{font-size:12px;color:var(--text-3);margin-top:4px}
.hero__visual{position:relative}
.hero__frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 40px 90px -50px rgba(123,92,255,.7);
  border:1px solid var(--line);
}
.hero__frame img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-3)}
.hero__frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,7,20,.92) 0%,rgba(11,7,20,.45) 34%,rgba(11,7,20,0) 68%),
             linear-gradient(0deg,rgba(11,7,20,.85) 0%,rgba(11,7,20,0) 46%);
  pointer-events:none;
}
.hero__float{
  position:absolute;top:20px;right:20px;z-index:2;
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:999px;
  background:rgba(11,7,20,.72);
  border:1px solid rgba(255,209,102,.34);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero__float b{font-size:15px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.hero__float span{font-size:12px;color:var(--text-2)}
.hero__hint{
  position:absolute;right:20px;bottom:20px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:12.5px;color:var(--text);background:rgba(11,7,20,.7);
  border:1px solid var(--line-2);
}
.hero__hint svg{width:14px;height:14px;stroke:var(--cyan)}
.hero__caption{
  margin-top:20px;font-size:15px;line-height:1.85;color:var(--text-2);
  max-width:60ch;
}

/* ---------- section shell ---------- */
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:36px;
}
.section__titles{min-width:0}
.section__kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--cyan);
  margin-bottom:12px;text-transform:none;
}
.section__kicker::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);display:block;
}
.section__title{font-size:38px;line-height:1.25;font-weight:800;letter-spacing:-.01em}
.section__desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:62ch}
.section__tools{display:flex;align-items:center;gap:12px;flex:none}
.rail-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line-2);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.rail-btn svg{width:16px;height:16px;stroke:var(--text);transition:stroke .2s var(--ease)}
.rail-btn:hover{border-color:var(--cyan);background:rgba(38,217,199,.08)}
.rail-btn:hover svg{stroke:var(--cyan)}

/* ---------- rail cards ---------- */
.rail{position:relative}
.rail__track{
  display:flex;gap:20px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:14px;scrollbar-width:none;
}
.rail__track::-webkit-scrollbar{display:none}
.rail__card{
  flex:0 0 280px;scroll-snap-align:start;
}
.card{
  position:relative;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;
  padding:1px;background:var(--grad-brand);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .28s var(--ease);pointer-events:none;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card:hover::after{opacity:1}
.card__media{position:relative;overflow:hidden;background:var(--bg-3)}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:18px 20px 22px}
.card__title{
  font-size:17px;line-height:1.5;font-weight:700;margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__text{
  margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rail__progress{
  display:none;height:3px;border-radius:3px;background:rgba(255,255,255,.08);margin-top:6px;overflow:hidden;
}
.rail__progress i{display:block;height:100%;width:38%;border-radius:3px;background:var(--grad-brand)}

/* ---------- focus (asymmetric) ---------- */
.focus__grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:0;align-items:stretch;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
.focus__main{padding:0;border-right:1px solid var(--line);display:flex;flex-direction:column}
.focus__main-media{position:relative;overflow:hidden;background:var(--bg-3)}
.focus__main-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.focus__main:hover .focus__main-media img{transform:scale(1.03)}
.focus__main-body{padding:28px}
.focus__main-title{font-size:24px;line-height:1.35;font-weight:800;margin-top:14px}
.focus__main-text{
  margin-top:12px;font-size:15px;line-height:1.85;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.focus__main .text-link{margin-top:18px}
.focus__list{display:flex;flex-direction:column;justify-content:center;padding:8px 0}
.focus__item{
  display:flex;align-items:center;gap:16px;
  padding:16px 24px;border-bottom:1px solid rgba(255,255,255,.06);
  transition:background-color .2s var(--ease);
}
.focus__item:last-child{border-bottom:0}
.focus__item:hover{background:rgba(255,255,255,.03)}
.focus__thumb{flex:none;width:96px;height:64px;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-3)}
.focus__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.focus__item:hover .focus__thumb img{transform:scale(1.05)}
.focus__info{min-width:0;flex:1}
.focus__name{
  font-size:15px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.focus__meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12.5px;color:var(--text-3)}
.focus__meta time{font-variant-numeric:tabular-nums}

/* ---------- collections (stacked) ---------- */
.collection__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.collection__card{
  display:grid;grid-template-columns:190px minmax(0,1fr);gap:24px;align-items:center;
  padding:24px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.collection__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(123,92,255,.4)}
.stack{position:relative;height:132px}
.stack img{
  position:absolute;width:112px;height:88px;object-fit:cover;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);box-shadow:0 14px 30px -18px rgba(0,0,0,.9);
  transition:transform .32s var(--ease);
}
.stack img:nth-child(1){top:0;left:0;transform:rotate(-4deg)}
.stack img:nth-child(2){top:20px;left:34px;transform:rotate(1deg)}
.stack img:nth-child(3){top:42px;left:70px;transform:rotate(5deg)}
.collection__card:hover .stack img:nth-child(1){transform:rotate(-7deg) translateY(-4px)}
.collection__card:hover .stack img:nth-child(3){transform:rotate(8deg) translateY(4px)}
.collection__name{font-size:19px;font-weight:700;line-height:1.4}
.collection__desc{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2)}
.collection__foot{display:flex;align-items:center;gap:12px;margin-top:16px}

/* ---------- news (CMS) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.news-card{
  position:relative;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(123,92,255,.4)}
.news-card__link{display:block}
.news-card__title{
  margin-top:14px;font-size:18px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__excerpt{
  margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;color:var(--text-3);
}
.news-card__meta time{font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;
  border:1px dashed rgba(255,255,255,.18);border-radius:16px;
  padding:48px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state__icon{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);
}
.empty-state__icon svg{width:20px;height:20px;stroke:var(--text-2)}
.empty-state p{font-size:15px;color:var(--text-2)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:52px 48px;
  background:
    radial-gradient(900px 320px at 88% 12%,rgba(38,217,199,.18),transparent 62%),
    radial-gradient(700px 300px at 8% 88%,rgba(123,92,255,.26),transparent 60%),
    linear-gradient(135deg,#1B1336 0%,#140E28 100%);
  border:1px solid rgba(123,92,255,.32);
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:32px;align-items:center;
}
.cta-band__title{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.01em}
.cta-band__sub{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--text-2);max-width:46ch}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-band__badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.cta-band__badges .badge{height:30px;padding:0 16px}

/* ---------- faq ---------- */
.faq{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);
}
.faq__item + .faq__item{border-top:1px solid rgba(255,255,255,.06)}
.faq__item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;font-size:16px;font-weight:600;line-height:1.5;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{background:rgba(255,255,255,.03);color:#fff}
.faq__item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px}
.faq__icon{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;transition:transform .28s var(--ease),border-color .28s var(--ease)}
.faq__icon svg{width:12px;height:12px;stroke:var(--text-2);transition:stroke .28s var(--ease)}
.faq__item[open] .faq__icon{transform:rotate(180deg);border-color:rgba(38,217,199,.5)}
.faq__item[open] .faq__icon svg{stroke:var(--cyan)}
.faq__answer{padding:0 26px 24px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:74ch}

/* ---------- footer ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(22,16,42,.6),rgba(11,7,20,1));
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .logo__mark{width:30px;height:30px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:34ch}
.footer-col h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col li + li{margin-top:12px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--cyan)}
.footer-col p{font-size:14px;line-height:1.85;color:var(--text-2)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--text-2)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
}
.drawer.is-open{display:block}
.drawer__mask{position:absolute;inset:0;background:rgba(6,4,12,.6);backdrop-filter:blur(3px)}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;width:88%;max-width:360px;
  background:#140F26;border-left:1px solid var(--line);
  padding:24px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .3s var(--ease);
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer__close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;
}
.drawer__close svg{width:14px;height:14px;stroke:var(--text)}
.drawer__link{
  display:flex;align-items:center;height:52px;padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text-2);border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.drawer__link:hover{background:rgba(255,255,255,.04);color:#fff}
.drawer__link.is-active{color:var(--cyan);border-color:rgba(38,217,199,.34);background:rgba(38,217,199,.08)}
.drawer__foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.drawer__search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;margin-bottom:14px;
}
.drawer__search svg{width:16px;height:16px;stroke:var(--text-3);flex:none}
.drawer__search input{background:transparent;border:0;outline:none;color:var(--text);font-size:14px;width:100%}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .rail__card{flex-basis:calc((100% - 60px) / 4.2)}
}
@media (max-width:1024px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .hero{padding:36px 0 64px}
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__title{font-size:40px}
  .hero__frame img{aspect-ratio:16/9}
  .section__title{font-size:30px}
  .focus__grid{grid-template-columns:1fr}
  .focus__main{border-right:0;border-bottom:1px solid var(--line)}
  .collection__grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .cta-band__badges{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rail__card{flex-basis:calc((100% - 40px) / 2.4)}
  .nav{display:none}
  .search{display:none}
  .menu-toggle{display:flex}
}
@media (max-width:768px){
  body{font-size:16px}
  :root{--nav-h:56px}
  .section{padding:56px 0}
  .hero{padding:28px 0 56px}
  .hero__title{font-size:34px}
  .hero__sub{font-size:16px}
  .hero__actions{width:100%}
  .hero__actions .btn{flex:1 1 auto}
  .hero__stats{padding-top:22px;margin-top:30px;flex-wrap:wrap;gap:18px 0}
  .stat{padding-right:20px;margin-right:20px}
  .section__head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .section__title{font-size:26px}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .cta-band__title{font-size:24px}
  .focus__main-body{padding:22px}
  .focus__main-title{font-size:20px}
  .collection__card{grid-template-columns:1fr;gap:18px;padding:20px}
  .stack{height:120px}
  .rail-btn{display:none}
  .rail__progress{display:block}
  .rail__card{flex-basis:82%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq__item summary{padding:18px 20px;font-size:15px}
  .faq__answer{padding:0 20px 20px}
  .hero__float{top:14px;right:14px;padding:8px 12px}
  .hero__float b{font-size:13px}
  .hero__hint{right:14px;bottom:14px;padding:6px 12px;font-size:11.5px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero__title{font-size:30px}
  .logo__main{font-size:15px}
  .logo__sub{font-size:10px}
  .logo__mark{width:26px;height:26px}
  .card__body{padding:16px 16px 20px}
  .news-card{padding:20px}
  .rail__card{flex-basis:88%}
  .stack img{width:96px;height:76px}
  .stack img:nth-child(2){left:26px}
  .stack img:nth-child(3){left:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .card:hover,.news-card:hover,.collection__card:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg:#0B0714;
  --surface:#16102A;
  --surface-2:#1E1735;
  --surface-3:#140F26;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.16);
  --brand-1:#7B5CFF;
  --brand-2:#26D9C7;
  --grad:linear-gradient(135deg,#7B5CFF 0%,#26D9C7 100%);
  --grad-soft:linear-gradient(135deg,rgba(123,92,255,.22) 0%,rgba(38,217,199,.14) 100%);
  --cta:linear-gradient(135deg,#FF7A2F 0%,#FF5C2B 100%);
  --gold:#FFD166;
  --text:#F2EFFA;
  --muted:#A79FC0;
  --dim:#7C7395;
  --success:#38D39F;
  --warn:#FFB020;
  --error:#FF5C6C;
  --radius-lg:24px;
  --radius:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(123,92,255,.45),0 26px 60px -26px rgba(123,92,255,.38);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(11,7,20,.55);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,7,20,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.header-inner{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  gap:34px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo__mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.logo__mark svg{width:100%;height:100%;display:block;}
.logo__text{display:flex;flex-direction:column;line-height:1.15;}
.logo__main{font-size:17px;font-weight:800;letter-spacing:.02em;}
.logo__sub{font-size:11px;color:var(--dim);letter-spacing:.22em;}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav__link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  padding:20px 0;
  transition:color .22s var(--ease);
}
.nav__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:12px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav__link:hover{color:#fff;}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand-2);}
.nav__link.is-active::after{transform:scaleX(1);}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.search{
  position:relative;
  display:flex;
  align-items:center;
}
.search__input{
  width:220px;
  height:40px;
  padding:0 40px 0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:14px;
  transition:width .28s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search__input::placeholder{color:var(--dim);}
.search__input:focus{
  outline:none;
  width:280px;
  border-color:var(--brand-2);
  box-shadow:0 0 0 3px rgba(38,217,199,.12);
}
.search__icon{
  position:absolute;
  right:12px;
  width:18px;height:18px;
  color:var(--muted);
  pointer-events:none;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--cta);
  color:#fff;
  box-shadow:0 14px 30px -18px rgba(255,92,43,.9);
}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 18px 36px -16px rgba(255,92,43,.75);}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
}
.btn--ghost:hover{
  border-color:var(--brand-2);
  background:rgba(38,217,199,.08);
  color:#fff;
}
.btn--ghost:active{transform:scale(.98);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text);
}
.nav-toggle svg{width:20px;height:20px;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:88%;
  max-width:360px;
  background:var(--surface-3);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  z-index:120;
  display:flex;
  flex-direction:column;
  padding:24px 22px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--muted);
}
.drawer__link{
  display:flex;align-items:center;
  min-height:52px;
  padding:0 4px;
  font-size:16px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer__link:hover,.drawer__link.is-active{color:var(--brand-2);padding-left:8px;}
.drawer__cta{margin-top:auto;padding-top:22px;}
.drawer__cta .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(5,3,10,.66);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
  z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:calc(var(--header-h) + 34px) 0 46px;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center 28%;
  opacity:.30;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.35) 62%,transparent 100%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.35) 62%,transparent 100%);
  pointer-events:none;
}
.article-hero::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(120% 90% at 20% 0%,rgba(123,92,255,.24) 0%,transparent 58%),radial-gradient(90% 80% at 92% 30%,rgba(38,217,199,.14) 0%,transparent 60%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--dim);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb__sep{color:rgba(255,255,255,.22);}
.breadcrumb__current{
  color:var(--muted);
  max-width:52ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-head{max-width:900px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.02em;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--muted);
}
.badge--accent{
  background:rgba(38,217,199,.12);
  border-color:rgba(38,217,199,.32);
  color:var(--brand-2);
}
.badge--gold{
  background:rgba(255,209,102,.12);
  border-color:rgba(255,209,102,.3);
  color:var(--gold);
}
.article-title{
  font-size:40px;
  font-weight:800;
  line-height:1.35;
  margin:16px 0 20px;
  letter-spacing:-.01em;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:18px;
  font-size:14px;
  color:var(--muted);
}
.article-meta__item{display:inline-flex;align-items:center;gap:6px;}
.article-meta__dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.24);}
.share{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.share__btn{
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.share__btn svg{width:15px;height:15px;}
.share__btn:hover{
  color:var(--brand-2);
  border-color:rgba(38,217,199,.5);
  background:rgba(38,217,199,.08);
  transform:translateY(-1px);
}

/* ============ 正文布局 ============ */
.article-main{padding-bottom:80px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:52px;
  align-items:start;
}
.article-body{min-width:0;}
.article-content{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:#E9E5F5;
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;
  font-size:26px;
  font-weight:800;
  line-height:1.4;
  margin:40px 0 16px;
  padding-left:16px;
  color:var(--text);
  scroll-margin-top:calc(var(--header-h) + 20px);
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.article-content h3{
  font-size:22px;
  font-weight:700;
  line-height:1.5;
  margin:32px 0 12px;
  color:var(--text);
  scroll-margin-top:calc(var(--header-h) + 20px);
}
.article-content h4{font-size:19px;margin:26px 0 10px;}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:24px;}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin:8px 0;line-height:1.8;}
.article-content ul li::marker{color:var(--brand-2);}
.article-content ol li::marker{color:var(--brand-2);font-weight:700;}
.article-content a{
  color:var(--brand-2);
  border-bottom:1px solid rgba(38,217,199,.3);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.article-content a:hover{border-bottom-color:var(--brand-2);color:#6ef0e2;}
.article-content blockquote{
  margin:26px 0;
  padding:20px 22px;
  background:#16102A;
  border-left:3px solid var(--brand-2);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{
  border-radius:16px;
  margin:26px 0 10px;
  width:100%;
  height:auto;
  background:var(--surface-2);
}
.article-content figure{margin:26px 0;}
.article-content figcaption{
  font-size:13px;
  color:var(--dim);
  text-align:center;
  margin-top:10px;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
}
.article-content thead th{
  background:var(--surface-2);
  font-size:14px;
  font-weight:600;
  color:var(--text);
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-content td{
  padding:12px 14px;
  border-bottom:1px solid rgba(255,255,255,.05);
  color:var(--muted);
}
.article-content tbody tr:nth-child(even){background:rgba(255,255,255,.025);}
.article-content tbody tr:last-child td{border-bottom:0;}
.article-content hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:36px 0;
}
.article-content code{
  background:var(--surface-2);
  border-radius:6px;
  padding:2px 6px;
  font-size:15px;
  color:var(--brand-2);
}

/* 空态 */
.empty-state{
  max-width:760px;
  border:1px dashed rgba(255,255,255,.22);
  border-radius:16px;
  padding:52px 28px;
  text-align:center;
  background:rgba(255,255,255,.015);
}
.empty-state__icon{
  width:52px;height:52px;
  margin:0 auto 18px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);
  color:var(--brand-2);
}
.empty-state__icon svg{width:24px;height:24px;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* 正文尾部 */
.article-footer{
  max-width:760px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.article-tags .badge{height:28px;padding:0 14px;font-size:13px;}
.pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.pager__item{
  display:block;
  padding:18px 20px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.pager__item:hover{border-color:rgba(123,92,255,.5);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.pager__label{display:block;font-size:12px;color:var(--dim);margin-bottom:6px;letter-spacing:.06em;}
.pager__title{font-size:15px;color:var(--text);font-weight:600;line-height:1.5;}
.pager__item--next{text-align:right;}

/* 相关推荐 */
.related{margin-top:56px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.section-head h2{font-size:28px;}
.section-head p{font-size:14px;color:var(--dim);margin-top:8px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand-2);white-space:nowrap;
}
.link-more svg{width:15px;height:15px;transition:transform .22s var(--ease);}
.link-more:hover svg{transform:translateX(4px);}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.card{
  position:relative;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card::after{
  content:"";
  position:absolute;inset:0;
  border-radius:inherit;
  padding:1px;
  background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  opacity:0;
  transition:opacity .26s var(--ease);
  pointer-events:none;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card:hover::after{opacity:1;}
.card__media{
  position:relative;
  aspect-ratio:16/9;
  background:var(--surface-2);
  overflow:hidden;
}
.card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .32s var(--ease);
}
.card:hover .card__media img{transform:scale(1.04);}
.card__body{padding:18px 20px 22px;}
.card__body h3{font-size:17px;line-height:1.55;margin-bottom:8px;}
.card__body p{font-size:14px;color:var(--muted);line-height:1.7;}
.card__badge{
  position:absolute;left:14px;top:14px;
  height:24px;padding:0 10px;
  border-radius:999px;
  display:inline-flex;align-items:center;
  font-size:12px;
  background:rgba(11,7,20,.72);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;
  backdrop-filter:blur(6px);
}

/* ============ 侧栏 ============ */
.article-aside{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  display:flex;
  flex-direction:column;
  gap:22px;
}
.aside-card{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface);
  padding:22px 20px;
  box-shadow:var(--shadow);
}
.aside-card h3{
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--text);
  margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{
  content:"";
  width:3px;height:14px;
  border-radius:2px;
  background:var(--grad);
}
.toc{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
  padding:8px 10px;
  border-radius:10px;
  border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc a:hover{color:var(--brand-2);background:rgba(255,255,255,.04);}
.toc a.is-active{color:var(--brand-2);border-left-color:var(--brand-2);background:rgba(38,217,199,.07);}
.toc__empty{font-size:13px;color:var(--dim);line-height:1.7;}
.aside-links{display:flex;flex-direction:column;}
.aside-link{
  display:flex;
  gap:12px;
  align-items:center;
  padding:10px 8px;
  border-radius:12px;
  transition:background .2s var(--ease);
}
.aside-link:hover{background:rgba(255,255,255,.04);}
.aside-link img{
  width:64px;height:44px;
  border-radius:10px;
  object-fit:cover;
  background:var(--surface-2);
  flex-shrink:0;
}
.aside-link__title{font-size:14px;line-height:1.5;color:var(--text);}
.aside-link__meta{font-size:12px;color:var(--dim);margin-top:2px;}
.aside-cta{
  background:linear-gradient(150deg,rgba(123,92,255,.22),rgba(38,217,199,.12));
  border:1px solid rgba(123,92,255,.28);
}
.aside-cta p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.aside-cta .btn{width:100%;}

/* ============ 底部 CTA ============ */
.cta-band{padding:0 0 84px;}
.cta-band__inner{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(123,92,255,.28);
  background:linear-gradient(135deg,rgba(123,92,255,.22),rgba(38,217,199,.12) 70%,rgba(255,122,47,.12));
  padding:44px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
}
.cta-band__inner::before{
  content:"";
  position:absolute;
  right:-60px;top:-70px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(38,217,199,.24),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:30px;margin-bottom:12px;}
.cta-band p{color:var(--muted);font-size:15px;max-width:62ch;}
.cta-band__actions{display:flex;gap:14px;flex-shrink:0;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(22,16,42,.5),rgba(11,7,20,.9));
  padding:64px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--muted);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--brand-2);}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.85;max-width:32ch;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:var(--dim);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--brand-2);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .article-layout{gap:40px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav{display:none;}
  .search{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{gap:16px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .aside-card{flex:1 1 280px;}
  .article-title{font-size:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .article-hero{padding:calc(var(--header-h) + 22px) 0 34px;}
  .article-title{font-size:28px;line-height:1.4;}
  .article-content{font-size:16px;line-height:1.85;}
  .article-content h2{font-size:22px;}
  .article-content h3{font-size:19px;}
  .share{margin-left:0;width:100%;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager__item--next{text-align:left;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-band h2{font-size:24px;}
  .cta-band__actions{width:100%;flex-wrap:wrap;}
  .cta-band__actions .btn{flex:1 1 180px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-desc{max-width:none;}
  .site-footer{padding:48px 0 26px;}
  .section-head h2{font-size:23px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo__main{font-size:16px;}
  .logo__mark{width:26px;height:26px;}
  .article-title{font-size:25px;}
  .article-meta{font-size:13px;gap:12px;}
  .aside-card{flex:1 1 100%;}
  .header-actions .btn--primary{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .card:hover,.pager__item:hover{transform:none;}
  .card:hover .card__media img{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0714;
  --bg-soft:#120C22;
  --surface:#16102A;
  --surface-2:#1E1735;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.14);
  --brand-1:#7B5CFF;
  --brand-2:#26D9C7;
  --action-1:#FF7A2F;
  --action-2:#FF5C2B;
  --gold:#FFD166;
  --text:#F2EFFA;
  --text-2:#A79FC0;
  --text-3:#7C7395;
  --ok:#38D39F;
  --warn:#FFB020;
  --err:#FF5C6C;
  --grad-brand:linear-gradient(135deg,#7B5CFF 0%,#26D9C7 100%);
  --grad-action:linear-gradient(135deg,#FF7A2F 0%,#FF5C2B 100%);
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-xs:12px;
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(123,92,255,.45),0 26px 60px -26px rgba(123,92,255,.38);
  --space-section:80px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(123,92,255,.4);color:#fff;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,7,20,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.is-compact{
  background:rgba(11,7,20,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo__mark{
  width:32px;
  height:32px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.logo__mark svg{width:100%;height:100%;display:block;}
.logo__text{display:flex;flex-direction:column;line-height:1.1;}
.logo__main{
  font-size:17px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--text);
}
.logo__sub{
  font-size:11px;
  color:var(--text-2);
  letter-spacing:.14em;
  margin-top:2px;
}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
}
.nav__link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  transition:color .2s var(--ease);
  white-space:nowrap;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s var(--ease);
}
.nav__link:hover{color:#fff;}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand-2);}
.nav__link.is-active::after{transform:scaleX(1);}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.search{
  position:relative;
  display:flex;
  align-items:center;
}
.search svg{
  position:absolute;
  left:14px;
  width:16px;height:16px;
  color:var(--text-3);
  pointer-events:none;
}
.search input{
  width:220px;
  height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:14px;
  padding:0 16px 0 38px;
  transition:width .28s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search input::placeholder{color:var(--text-3);}
.search input:focus{
  width:280px;
  outline:none;
  border-color:var(--brand-2);
  box-shadow:0 0 0 4px rgba(38,217,199,.12);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--grad-action);
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(255,92,43,.85);
}
.btn--primary:hover{
  transform:translateY(-1px);
  box-shadow:0 16px 32px -14px rgba(255,122,47,.9);
  filter:brightness(1.05);
}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{
  background:transparent;
  border-color:rgba(255,255,255,.18);
  color:var(--text);
}
.btn--ghost:hover{
  border-color:var(--brand-2);
  background:rgba(38,217,199,.08);
  color:#fff;
}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-2);
  transition:color .2s var(--ease);
}
.btn-text .arrow{transition:transform .24s var(--ease);}
.btn-text:hover .arrow{transform:translateX(4px);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:currentColor;
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;
  background:currentColor;
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
}
.drawer.is-open{display:block;}
.drawer__mask{
  position:absolute;
  inset:0;
  background:rgba(5,3,10,.6);
  backdrop-filter:blur(2px);
}
.drawer__panel{
  position:absolute;
  top:0;right:0;
  width:88%;
  max-width:360px;
  height:100%;
  background:#140F26;
  border-left:1px solid var(--line);
  padding:22px 20px 24px;
  display:flex;
  flex-direction:column;
  animation:slideIn .28s var(--ease);
}
@keyframes slideIn{from{transform:translateX(100%);}to{transform:translateX(0);}}
.drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:16px;
}
.drawer__close{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text);
  font-size:20px;
  line-height:1;
}
.drawer__nav{display:flex;flex-direction:column;}
.drawer__link{
  height:52px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
  font-size:16px;
}
.drawer__link.is-active{color:var(--brand-2);}
.drawer__foot{margin-top:auto;padding-top:20px;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  padding-top:28px;
}
.crumbs a{color:var(--text-3);transition:color .2s var(--ease);}
.crumbs a:hover{color:var(--brand-2);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.crumbs .current{color:var(--text-2);}

/* ============ 分类页头 ============ */
.page-hero{
  padding:24px 0 56px;
  position:relative;
}
.page-hero__grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.page-hero .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--brand-2);
  background:rgba(38,217,199,.12);
  border:1px solid rgba(38,217,199,.35);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:46px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-0.01em;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero__lead{
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:620px;
}
.stats{
  display:flex;
  align-items:center;
  gap:0;
  margin-top:30px;
  flex-wrap:wrap;
}
.stat{
  padding:0 26px;
  border-left:1px solid var(--line-strong);
}
.stat:first-child{padding-left:0;border-left:0;}
.stat__num{
  display:block;
  font-size:24px;
  font-weight:700;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  color:var(--text);
}
.stat__num small{
  font-size:13px;
  font-weight:600;
  color:var(--gold);
  margin-left:3px;
}
.stat__label{
  display:block;
  font-size:12px;
  color:var(--text-2);
  margin-top:4px;
  letter-spacing:.04em;
}
.page-hero__media{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
  aspect-ratio:16/10;
}
.page-hero__media img{
  width:100%;height:100%;
  object-fit:cover;
}
.page-hero__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(11,7,20,.85) 0%,rgba(11,7,20,.15) 55%,rgba(11,7,20,0) 100%);
}
.media-badge{
  position:absolute;
  top:16px;right:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(11,7,20,.72);
  border:1px solid rgba(38,217,199,.4);
  color:var(--brand-2);
  font-size:12px;
  backdrop-filter:blur(8px);
}

/* ============ 筛选条 ============ */
.filter-bar{
  padding:6px 0 44px;
}
.chips{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  height:38px;
  padding:0 18px;
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
  font-size:14px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{color:#fff;border-color:rgba(255,255,255,.22);}
.chip.is-active{
  color:var(--brand-2);
  border-color:transparent;
  background:
    linear-gradient(rgba(38,217,199,.12),rgba(38,217,199,.12)) padding-box,
    var(--grad-brand) border-box;
  border:1px solid transparent;
}

/* ============ 通用板块标题 ============ */
.section{padding:var(--space-section) 0;}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head__left{max-width:720px;}
.section-head h2{
  font-size:34px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-0.01em;
  display:flex;
  align-items:center;
  gap:14px;
}
.section-head h2::before{
  content:"";
  width:5px;
  height:26px;
  border-radius:3px;
  background:var(--grad-brand);
  flex-shrink:0;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}
.rail-arrows{
  display:flex;
  gap:8px;
  flex-shrink:0;
}
.rail-btn{
  width:40px;height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.rail-btn:hover{color:#fff;border-color:var(--brand-2);background:rgba(38,217,199,.1);}
.rail-btn svg{width:16px;height:16px;}

/* ============ 横滑卡片带 ============ */
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 22px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 240px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  position:relative;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.rail-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.rail-card:hover .rail-card__img img{transform:scale(1.04);}
.rail-card__img{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-2);
}
.rail-card__img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .32s var(--ease);
}
.rail-card__body{padding:16px 18px 20px;}
.rail-card__title{
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  margin:10px 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rail-card__desc{
  font-size:13px;
  color:var(--text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 11px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  color:var(--text-2);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-strong);
  white-space:nowrap;
}
.badge--accent{
  color:var(--brand-2);
  background:rgba(38,217,199,.12);
  border-color:rgba(38,217,199,.34);
}
.badge--gold{
  color:var(--gold);
  background:rgba(255,209,102,.1);
  border-color:rgba(255,209,102,.3);
}
.rail-progress{
  height:3px;
  border-radius:3px;
  background:rgba(255,255,255,.07);
  overflow:hidden;
  margin-top:6px;
  display:none;
}
.rail-progress i{
  display:block;
  height:100%;
  width:32%;
  border-radius:3px;
  background:var(--grad-brand);
}

/* ============ 三列图文网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.card:hover .card__img img{transform:scale(1.04);}
.card__img{
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--surface-2);
}
.card__img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .32s var(--ease);
}
.card__body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card__title{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__desc{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  background:
    radial-gradient(1000px 340px at 88% 10%,rgba(123,92,255,.34),transparent 62%),
    radial-gradient(760px 320px at 8% 96%,rgba(38,217,199,.22),transparent 60%),
    var(--surface);
  padding:48px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.35;
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:2;}
.cta-band h2{
  font-size:32px;
  font-weight:800;
  line-height:1.32;
  letter-spacing:-0.01em;
}
.cta-band p{
  margin-top:14px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
  max-width:520px;
}
.cta-band__actions{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.cta-band__media{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.cta-thumb{
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  aspect-ratio:4/3;
  background:var(--surface-2);
}
.cta-thumb img{width:100%;height:100%;object-fit:cover;}
.cta-thumb:nth-child(2){margin-top:22px;}

/* ============ 相关分类互链 ============ */
.cross-link{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.cross-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:22px 26px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.cross-item:hover{
  transform:translateY(-3px);
  border-color:rgba(123,92,255,.45);
  box-shadow:var(--shadow-hover);
}
.cross-item:hover .cross-item__arrow{transform:translateX(5px);}
.cross-icon{
  width:52px;height:52px;
  flex-shrink:0;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(123,92,255,.14);
  border:1px solid rgba(123,92,255,.36);
  color:var(--brand-2);
}
.cross-icon svg{width:22px;height:22px;}
.cross-item__body{flex:1;min-width:0;}
.cross-item__title{
  font-size:18px;
  font-weight:700;
  margin-bottom:4px;
}
.cross-item__desc{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.cross-item__arrow{
  color:var(--brand-2);
  font-size:20px;
  transition:transform .26s var(--ease);
  flex-shrink:0;
}

/* ============ FAQ ============ */
.faq-list{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--surface);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:background .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(255,255,255,.03);}
.faq-item summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:-2px;}
.faq-mark{
  width:26px;height:26px;
  flex-shrink:0;
  border-radius:999px;
  border:1px solid var(--line-strong);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-2);
  transition:transform .28s var(--ease),border-color .2s var(--ease);
}
.faq-mark svg{width:12px;height:12px;}
.faq-item[open] .faq-mark{
  transform:rotate(180deg);
  border-color:rgba(38,217,199,.5);
}
.faq-answer{
  padding:0 26px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:900px;
}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(22,16,42,.4) 0%,rgba(11,7,20,0) 100%);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:340px;
}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--text);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-col li a:hover{color:var(--brand-2);}
.footer-col p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--brand-2);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 28px;}
}
@media (max-width:1024px){
  :root{--space-section:64px;}
  .container{padding:0 22px;}
  .header-inner{gap:20px;}
  .nav{gap:20px;}
  .search input{width:170px;}
  .search input:focus{width:220px;}
  .page-hero__grid{grid-template-columns:1fr;gap:32px;}
  .page-hero h1{font-size:38px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head h2{font-size:28px;}
}
@media (max-width:820px){
  .nav,.search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn--primary{display:none;}
  .drawer .search{display:flex;width:100%;margin-bottom:14px;}
  .drawer .search input{width:100%;}
  .drawer .search input:focus{width:100%;}
}
@media (max-width:768px){
  :root{--space-section:48px;--header-h:56px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .logo__mark{width:26px;height:26px;}
  .logo__main{font-size:16px;}
  .page-hero{padding:18px 0 40px;}
  .page-hero h1{font-size:30px;line-height:1.3;}
  .page-hero__lead{font-size:15.5px;}
  .stats{gap:0;flex-wrap:wrap;row-gap:18px;}
  .stat{padding:0 18px;}
  .stat__num{font-size:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section-head h2{font-size:24px;}
  .section-head h2::before{height:22px;width:4px;}
  .rail-arrows{display:none;}
  .rail-progress{display:block;}
  .rail-card{flex:0 0 78%;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:var(--radius-md);}
  .cta-band h2{font-size:24px;}
  .cta-band__media{grid-template-columns:1fr 1fr;}
  .cross-item{padding:18px;gap:14px;}
  .cross-icon{width:44px;height:44px;border-radius:12px;}
  .cross-item__title{font-size:16px;}
  .faq-item summary{padding:18px;font-size:15px;}
  .faq-answer{padding:0 18px 20px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding:44px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px;}
  .stat{padding:0 14px;}
  .rail-card{flex:0 0 84%;}
  .btn{height:44px;padding:0 20px;font-size:14px;}
  .btn--lg{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .rail-card:hover,.card:hover,.cross-item:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg:#0B0714;
  --surface:#16102A;
  --surface-2:#1E1735;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.16);
  --purple:#7B5CFF;
  --cyan:#26D9C7;
  --gold:#FFD166;
  --orange:#FF7A2F;
  --orange-2:#FF5C2B;
  --text:#F2EFFA;
  --text-2:#A79FC0;
  --text-3:#7C7395;
  --grad-brand:linear-gradient(135deg,#7B5CFF 0%,#26D9C7 100%);
  --grad-cta:linear-gradient(135deg,#FF7A2F 0%,#FF5C2B 100%);
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-xs:12px;
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-hover:0 0 0 1px rgba(123,92,255,.45),0 26px 60px -26px rgba(123,92,255,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 420px at 12% -8%,rgba(123,92,255,.20),transparent 70%),
    radial-gradient(620px 380px at 92% 6%,rgba(38,217,199,.12),transparent 72%);
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--cyan);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:#5FE9DA;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head__title{font-size:38px;line-height:1.24;}
.section-head__sub{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px;}
.section-head__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--cyan);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
}
.section-head__link .arrow{transition:transform .24s var(--ease);}
.section-head__link:hover .arrow{transform:translateX(4px);}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,7,20,.72);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.is-compact{
  background:rgba(11,7,20,.92);
  border-bottom-color:var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.header__inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:32px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  flex:0 0 auto;
}
.logo:hover{color:var(--text);}
.logo__mark{
  width:32px;
  height:32px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.logo__mark svg{width:32px;height:32px;display:block;}
.logo__text{display:flex;flex-direction:column;line-height:1.05;}
.logo__main{font-size:16px;font-weight:800;letter-spacing:.02em;}
.logo__sub{font-size:10px;color:var(--text-3);letter-spacing:.22em;margin-top:3px;}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1 1 auto;
}
.nav__link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  transition:color .22s var(--ease);
}
.nav__link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s var(--ease);
  border-radius:2px;
}
.nav__link:hover{color:#FFFFFF;}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--cyan);}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{display:none;}
.header__actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex:0 0 auto;
}
.search{
  display:flex;
  align-items:center;
  width:220px;
  height:40px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:width .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.search:focus-within{
  width:280px;
  border-color:rgba(38,217,199,.6);
  box-shadow:0 0 0 4px rgba(38,217,199,.10);
}
.search__input{
  width:100%;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:14px;
  font-family:inherit;
  outline:none;
}
.search__input::placeholder{color:var(--text-3);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  font-family:inherit;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),opacity .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{
  background:var(--grad-cta);
  color:#FFFFFF;
  box-shadow:0 12px 28px -16px rgba(255,92,43,.9);
}
.btn--primary:hover{
  color:#FFFFFF;
  transform:translateY(-1px);
  box-shadow:0 18px 34px -16px rgba(255,122,47,.85);
  filter:brightness(1.05);
}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{
  background:transparent;
  border-color:rgba(255,255,255,.18);
  color:var(--text);
}
.btn--ghost:hover{
  border-color:rgba(38,217,199,.65);
  background:rgba(38,217,199,.08);
  color:#FFFFFF;
}
.btn--small{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.header__cta{height:40px;padding:0 20px;font-size:14px;}
.burger{
  display:none;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  padding:0;
}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text);transition:transform .26s var(--ease),opacity .2s var(--ease);}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ breadcrumb ============ */
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  padding-top:36px;
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--cyan);}
.crumbs__sep{width:6px;height:6px;border-top:1px solid var(--text-3);border-right:1px solid var(--text-3);transform:rotate(45deg);display:inline-block;}

/* ============ category hero ============ */
.cat-hero{padding:28px 0 8px;}
.cat-hero__grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:48px;
  align-items:center;
}
.cat-hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  color:var(--cyan);
  background:rgba(38,217,199,.12);
  border:1px solid rgba(38,217,199,.32);
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:56px;
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.02em;
}
.cat-hero h1 .grad{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.cat-hero__lead{
  margin-top:22px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:620px;
}
.badges{
  display:flex;
  align-items:center;
  gap:28px;
  margin-top:32px;
  flex-wrap:wrap;
}
.badge-stat{display:flex;flex-direction:column;gap:2px;position:relative;}
.badge-stat + .badge-stat{padding-left:28px;}
.badge-stat + .badge-stat::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:1px;
  background:var(--line-strong);
}
.badge-stat__num{
  font-size:24px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--gold);
  line-height:1.2;
}
.badge-stat__label{font-size:12px;color:var(--text-3);letter-spacing:.02em;}
.cat-hero__media{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
}
.cat-hero__media img{width:100%;height:100%;object-fit:cover;}
.cat-hero__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,7,20,.05) 0%,rgba(11,7,20,.72) 100%);
}
.cat-hero__media-tag{
  position:absolute;
  left:18px;
  bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  color:#FFFFFF;
  background:rgba(11,7,20,.62);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
}
.cat-hero__media-tag i{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(38,217,199,.18);
}

/* ============ chips ============ */
.chipbar{
  display:flex;
  gap:12px;
  overflow-x:auto;
  padding:6px 2px 14px;
  margin-top:36px;
  scrollbar-width:thin;
}
.chipbar::-webkit-scrollbar{height:4px;}
.chipbar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:4px;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  cursor:pointer;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--line-strong);}
.chip.is-active{
  color:var(--cyan);
  border-color:rgba(38,217,199,.55);
  background:linear-gradient(135deg,rgba(123,92,255,.14),rgba(38,217,199,.12));
}

/* ============ split feature ============ */
.split{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:32px;
  align-items:start;
}
.feature-card{
  position:relative;
  display:block;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  color:var(--text);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);color:var(--text);}
.feature-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.feature-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.feature-card:hover .feature-card__media img{transform:scale(1.04);}
.feature-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(22,16,42,.9) 100%);
}
.feature-card__badge{
  position:absolute;
  left:20px;
  top:20px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  color:var(--cyan);
  background:rgba(11,7,20,.66);
  border:1px solid rgba(38,217,199,.45);
  backdrop-filter:blur(6px);
}
.feature-card__body{padding:26px 28px 30px;}
.feature-card__time{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.feature-card__title{font-size:24px;line-height:1.36;font-weight:700;}
.feature-card__desc{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8;}
.feature-card__cta{
  margin-top:20px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--cyan);
}
.feature-card__cta .arrow{transition:transform .24s var(--ease);}
.feature-card:hover .feature-card__cta .arrow{transform:translateX(4px);}

.match-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:8px 8px;
  box-shadow:var(--shadow-card);
}
.match-list__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 16px 12px;
}
.match-list__head h3{font-size:15px;color:var(--text);font-weight:700;letter-spacing:.02em;}
.match-list__head span{font-size:12px;color:var(--text-3);}
.match-item{
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 16px;
  border-radius:var(--radius-xs);
  color:var(--text);
  transition:background .22s var(--ease);
}
.match-item:hover{background:rgba(255,255,255,.03);color:var(--text);}
.match-item + .match-item{border-top:1px solid rgba(255,255,255,.06);}
.match-item__thumb{
  width:96px;
  height:64px;
  flex:0 0 auto;
  border-radius:var(--radius-xs);
  overflow:hidden;
  background:var(--surface-2);
}
.match-item__thumb img{width:100%;height:100%;object-fit:cover;}
.match-item__body{min-width:0;flex:1 1 auto;}
.match-item__meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--text-3);
  margin-bottom:5px;
  font-variant-numeric:tabular-nums;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--text-2);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
}
.tag--cyan{
  color:var(--cyan);
  background:rgba(38,217,199,.12);
  border-color:rgba(38,217,199,.3);
}
.match-item__title{
  font-size:15px;
  font-weight:600;
  line-height:1.5;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}

/* ============ stages ============ */
.stages{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.stage{
  display:flex;
  gap:18px;
  padding:24px;
  border-radius:var(--radius-md);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.stage:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stage__num{
  flex:0 0 auto;
  width:44px;
  height:44px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  color:var(--cyan);
  background:rgba(38,217,199,.08);
  border:1.5px solid transparent;
  background-image:linear-gradient(var(--surface),var(--surface)),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  font-variant-numeric:tabular-nums;
}
.stage__title{font-size:18px;font-weight:700;margin-bottom:6px;}
.stage__desc{font-size:15px;color:var(--text-2);line-height:1.75;}

/* ============ faq ============ */
.faq{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:8px 28px;
  box-shadow:var(--shadow-card);
}
.faq__item + .faq__item{border-top:1px solid var(--line);}
.faq__item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color .22s var(--ease);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary:hover{color:var(--cyan);}
.faq__icon{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  position:relative;
  transition:transform .28s var(--ease),border-color .28s var(--ease);
}
.faq__icon::before,.faq__icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--cyan);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.faq__icon::before{width:10px;height:1.5px;}
.faq__icon::after{width:1.5px;height:10px;transition:opacity .24s var(--ease);}
.faq__item[open] .faq__icon{transform:rotate(180deg);border-color:rgba(38,217,199,.55);}
.faq__item[open] .faq__icon::after{opacity:0;}
.faq__answer{
  padding:0 0 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:900px;
}

/* ============ cta banner ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(123,92,255,.28);
  background:
    linear-gradient(135deg,rgba(123,92,255,.22),rgba(38,217,199,.12)),
    var(--surface);
  padding:52px 48px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:32px;
  align-items:center;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.35;
  pointer-events:none;
}
.cta-band__content{position:relative;z-index:2;}
.cta-band h2{font-size:38px;line-height:1.24;}
.cta-band p{margin-top:14px;color:var(--text-2);font-size:16px;max-width:520px;}
.cta-band__actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.cta-band__visual{position:relative;z-index:2;}
.cta-band__visual img{
  width:100%;
  border-radius:var(--radius-md);
  aspect-ratio:16/10;
  object-fit:cover;
  border:1px solid rgba(255,255,255,.14);
}

/* ============ cross links ============ */
.cross{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.cross-card{
  display:flex;
  align-items:center;
  gap:20px;
  padding:22px 26px;
  border-radius:var(--radius-md);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--text);
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);color:var(--text);border-color:rgba(123,92,255,.4);}
.cross-card__icon{
  flex:0 0 auto;
  width:52px;
  height:52px;
  border-radius:var(--radius-xs);
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--grad-brand);
  color:#0B0714;
  font-weight:800;
  font-size:18px;
}
.cross-card__body{flex:1 1 auto;min-width:0;}
.cross-card__title{font-size:18px;font-weight:700;}
.cross-card__desc{font-size:14px;color:var(--text-2);margin-top:4px;}
.cross-card__arrow{flex:0 0 auto;color:var(--cyan);font-size:18px;transition:transform .24s var(--ease);}
.cross-card:hover .cross-card__arrow{transform:translateX(4px);}

/* ============ footer ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:rgba(11,7,20,.7);
  padding:64px 0 32px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.85;max-width:320px;}
.footer-col h3{
  font-size:14px;
  color:var(--text);
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--text-2);font-size:14px;}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.85;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ responsive ============ */
@media (max-width:1280px){
  .cat-hero h1{font-size:50px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .cat-hero__grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero h1{font-size:44px;}
  .split{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .search{width:180px;}
  .search:focus-within{width:220px;}
}
@media (max-width:860px){
  .header__inner{gap:16px;}
  .nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:88%;
    max-width:340px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:88px 24px 32px;
    background:#140F26;
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    z-index:70;
    overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0);}
  .nav__link{
    height:52px;
    display:flex;
    align-items:center;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav__link::after{display:none;}
  .nav__link.is-active{color:var(--cyan);}
  .nav__cta{
    display:inline-flex;
    margin-top:24px;
    height:48px;
    border-radius:999px;
    align-items:center;
    justify-content:center;
    background:var(--grad-cta);
    color:#FFFFFF;
    font-weight:600;
    font-size:15px;
  }
  .nav__cta:hover{color:#FFFFFF;}
  .burger{display:inline-flex;}
  .search{display:none;}
  .header__cta{display:none;}
  .stages{grid-template-columns:1fr;}
  .cross{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .cta-band h2{font-size:28px;}
  .cat-hero h1{font-size:36px;}
  .section-head__title{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  body{font-size:16px;}
  .section{padding:48px 0;}
  .cat-hero h1{font-size:30px;}
  .cat-hero__lead{font-size:15px;}
  .badges{gap:16px;}
  .badge-stat + .badge-stat{padding-left:16px;}
  .badge-stat__num{font-size:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head__title{font-size:24px;}
  .feature-card__body{padding:20px;}
  .feature-card__title{font-size:19px;}
  .match-item__thumb{width:80px;height:56px;}
  .match-item__title{font-size:14px;}
  .stage{padding:20px;gap:14px;}
  .stage__num{width:38px;height:38px;font-size:14px;}
  .faq{padding:4px 18px;}
  .faq__item summary{font-size:15px;padding:18px 0;}
  .cta-band{padding:28px 20px;}
  .cta-band h2{font-size:23px;}
  .cross-card{padding:18px;gap:14px;}
  .cross-card__icon{width:44px;height:44px;font-size:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .crumbs{padding-top:24px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .feature-card:hover,.stage:hover,.cross-card:hover,.btn--primary:hover{transform:none;}
}