/* roulang page: index */
:root{
  --bg-900:#100A1F;
  --bg-800:#171031;
  --bg-700:#1F1640;
  --line:rgba(140,110,240,.22);
  --brand-a:#7C3AED;
  --brand-b:#E5318C;
  --accent:#2DE1A8;
  --warn:#FFC24B;
  --text:#F4F1FF;
  --text-2:#B8AEDA;
  --text-3:#8B80AE;
  --grad:linear-gradient(120deg,#7C3AED,#E5318C);
  --r-xl:26px;
  --r-lg:20px;
  --r-md:14px;
  --sh-1:0 16px 36px -18px rgba(124,58,237,.5);
  --sh-2:0 26px 54px -20px rgba(229,49,140,.45);
  --gap-sec:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg-900);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before,body::after{
  content:"";position:fixed;border-radius:50%;pointer-events:none;z-index:0;filter:blur(120px);
}
body::before{width:520px;height:520px;top:-190px;left:-170px;background:radial-gradient(circle,rgba(124,58,237,.5),transparent 70%);}
body::after{width:560px;height:560px;bottom:-220px;right:-190px;background:radial-gradient(circle,rgba(229,49,140,.36),transparent 70%);}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(229,49,140,.4);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media(min-width:768px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(16,10,31,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(16,10,31,.92);
  border-bottom-color:var(--line);
  box-shadow:0 14px 30px -24px rgba(0,0,0,.9);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{
  font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  background:linear-gradient(100deg,#F4F1FF 30%,#D9B8F5 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-search{
  flex:1 1 auto;max-width:46%;min-width:200px;
  display:flex;align-items:center;gap:8px;
  background:var(--bg-700);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 6px 6px 16px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.nav-search:focus-within{
  border-color:rgba(124,58,237,.85);
  box-shadow:0 0 0 4px rgba(124,58,237,.18);
}
.search-icon{width:17px;height:17px;stroke:var(--text-3);fill:none;stroke-width:2;flex-shrink:0;}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:none;outline:none;
  font-size:14px;color:var(--text);padding:8px 0;
}
.nav-search input::placeholder{color:var(--text-3);}
.search-btn{
  flex-shrink:0;padding:8px 18px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:13.5px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease;
  background-size:140% 100%;background-position:0 0;
}
.search-btn:hover{background-position:100% 0;box-shadow:var(--sh-1);transform:translateY(-1px);}
.nav-links{display:flex;align-items:center;gap:4px;flex-shrink:0;}
.nav-link{
  font-size:14px;color:var(--text-2);padding:8px 12px;border-radius:10px;
  transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(124,58,237,.16);}
.nav-link.active{color:#fff;background:rgba(124,58,237,.24);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--bg-700);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{display:none;}
.mobile-panel.open{display:block;}
.mobile-panel-inner{
  border-top:1px solid var(--line);
  background:rgba(23,16,49,.97);
  padding:16px 0 22px;
}
.mobile-search{display:flex;gap:8px;margin-bottom:14px;}
.mobile-search input{
  flex:1;background:var(--bg-700);border:1px solid var(--line);
  border-radius:999px;padding:11px 18px;font-size:14px;outline:none;
}
.mobile-search input:focus{border-color:var(--brand-a);box-shadow:0 0 0 4px rgba(124,58,237,.16);}
.mobile-links{display:grid;gap:6px;}
.mobile-links a{
  display:block;padding:12px 16px;border-radius:12px;font-size:15px;color:var(--text-2);
  background:rgba(31,22,64,.7);border:1px solid transparent;
}
.mobile-links a.active{color:#fff;background:rgba(124,58,237,.24);border-color:var(--line);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,background-position .3s ease,border-color .22s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{
  background-image:var(--grad);background-size:140% 100%;background-position:0 0;color:#fff;
}
.btn-primary:hover{
  transform:translateY(-2px);background-position:100% 0;box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;border-color:var(--line);color:var(--text);
}
.btn-ghost:hover{background:rgba(124,58,237,.14);border-color:rgba(124,58,237,.6);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:12px;}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1.5;
}
.badge-data{border:1px solid rgba(45,225,168,.5);color:var(--accent);}
.badge-reward{background:var(--warn);color:#2A1A00;}
.badge-cat{background:rgba(124,58,237,.16);color:#C9A9FF;}

/* ---------- hero ---------- */
.hero{padding:52px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(31,22,64,.7);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
.hero h1{
  font-size:clamp(30px,5vw,54px);line-height:1.15;font-weight:700;
  margin:22px 0 16px;letter-spacing:-.01em;
}
.hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:540px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.badge-data-block{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:999px;
  border:1px solid rgba(45,225,168,.35);
  background:rgba(45,225,168,.07);
}
.badge-data-block strong{
  font-size:20px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.badge-data-block span{font-size:13px;color:var(--text-2);}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  aspect-ratio:16/11;max-height:520px;background:var(--bg-700);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,10,31,.18) 0%,rgba(16,10,31,.72) 100%);
}
.hero-media-cap{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--text-2);
}
.hero-media-cap strong{color:#fff;font-size:15px;display:block;}

/* ---------- sections ---------- */
.section{padding:var(--gap-sec) 0 0;}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15.5px;}
.section-head .line{
  width:56px;height:4px;border-radius:999px;background:var(--grad);margin-bottom:18px;
}

/* ---------- step cards ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-card{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;position:relative;overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.flow-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.55);box-shadow:var(--sh-1);}
.flow-num{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;margin-bottom:16px;
}
.flow-card h3{font-size:18px;margin-bottom:10px;}
.flow-card p{font-size:14.5px;color:var(--text-2);}
.flow-tag{margin-top:16px;display:inline-flex;}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.check-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.check-card:hover{border-color:rgba(229,49,140,.5);transform:translateY(-3px);background:var(--bg-700);}
.check-ico{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(124,58,237,.16);border:1px solid var(--line);
}
.check-ico svg{width:20px;height:20px;stroke:var(--accent);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.check-card h3{font-size:16.5px;margin-bottom:6px;}
.check-card p{font-size:14px;color:var(--text-2);}
.check-card .badge{margin-top:10px;}

/* ---------- progress / troubleshoot ---------- */
.progress-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}
.prog-list{display:grid;gap:18px;}
.prog-item{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;
}
.prog-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px;}
.prog-top h3{font-size:16.5px;}
.prog-track{
  height:9px;border-radius:999px;background:var(--bg-700);overflow:hidden;
}
.prog-fill{display:block;height:100%;border-radius:999px;background:var(--grad);}
.prog-note{font-size:13.5px;color:var(--text-3);margin-top:10px;}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.mini-card{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;text-align:left;
}
.mini-card strong{
  display:block;font-size:26px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;margin-bottom:4px;
}
.mini-card span{font-size:13.5px;color:var(--text-2);}

/* ---------- category quick entry ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cat-card{
  display:block;border-radius:var(--r-xl);overflow:hidden;
  background:var(--bg-800);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.6);box-shadow:var(--sh-2);}
.cat-cover{aspect-ratio:16/10;background:var(--bg-700);overflow:hidden;position:relative;}
.cat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.cat-card:hover .cat-cover img{transform:scale(1.04);}
.cat-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,10,31,0) 40%,rgba(16,10,31,.65) 100%);}
.cat-body{padding:22px;}
.cat-body h3{font-size:19px;margin-bottom:10px;}
.cat-body p{font-size:14.5px;color:var(--text-2);}
.cat-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;}

/* ---------- CTA banner ---------- */
.cta-banner{
  border-radius:var(--r-xl);border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(124,58,237,.28),rgba(229,49,140,.22)),var(--bg-800);
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;right:-80px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(229,49,140,.4),transparent 70%);
}
.cta-banner h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:10px;position:relative;}
.cta-banner p{font-size:15px;color:var(--text-2);max-width:620px;position:relative;}
.cta-banner .btn{position:relative;flex-shrink:0;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-800);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(124,58,237,.55);box-shadow:var(--sh-1);}
.news-cover{aspect-ratio:16/10;background:var(--bg-700);overflow:hidden;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:12.5px;color:var(--text-3);padding-top:14px;
  border-top:1px solid var(--line);
}
.empty-state{
  grid-column:1/-1;text-align:center;padding:60px 24px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:rgba(23,16,49,.6);
}
.empty-state svg{width:44px;height:44px;stroke:var(--text-3);fill:none;stroke-width:1.6;margin:0 auto 16px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--bg-800);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:rgba(124,58,237,.5);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  width:24px;height:24px;flex-shrink:0;position:relative;border-radius:50%;
  background:rgba(124,58,237,.18);border:1px solid var(--line);
  transition:transform .28s ease,background .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--grad);border-color:transparent;}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:#fff;}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-answer{
  padding:0 22px 20px 22px;font-size:15px;color:var(--text-2);
  border-left:3px solid transparent;
  margin-left:22px;padding-left:16px;
}
.faq-item[open] .faq-answer{border-left-color:var(--brand-a);}

/* ---------- footer ---------- */
.site-footer{margin-top:var(--gap-sec);position:relative;z-index:1;}
.footer-line{height:1px;background:linear-gradient(90deg,transparent,rgba(124,58,237,.55),rgba(229,49,140,.5),transparent);}
.footer-inner{padding:56px 0 28px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:14px;max-width:300px;}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:#fff;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media(max-width:1279px){
  .hero-grid{gap:34px;}
}
@media(max-width:1024px){
  :root{--gap-sec:64px;}
  .nav-search{max-width:38%;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-media{max-height:320px;aspect-ratio:16/9;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .progress-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-banner{flex-direction:column;align-items:flex-start;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
  .header-inner{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px;}
  .brand{order:1;}
  .nav-toggle{order:2;margin-left:auto;}
  .nav-search{order:3;flex-basis:100%;max-width:100%;min-width:0;}
  .cat-grid{grid-template-columns:1fr;}
}
@media(max-width:640px){
  :root{--gap-sec:48px;}
  .flow-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .mini-grid{grid-template-columns:1fr;}
  .hero{padding-top:34px;}
  .hero-badges{gap:8px;}
  .badge-data-block{padding:8px 14px;}
  .badge-data-block strong{font-size:17px;}
  .cta-banner{padding:28px 22px;}
  .footer-inner{padding:40px 0 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-answer{margin-left:16px;padding-left:12px;}
}
@media(max-width:520px){
  .footer-inner{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
    --bg-900:#100A1F;
    --bg-800:#171031;
    --bg-700:#1F1640;
    --line:rgba(140,110,240,.22);
    --brand-a:#7C3AED;
    --brand-b:#E5318C;
    --grad:linear-gradient(120deg,#7C3AED,#E5318C);
    --accent:#2DE1A8;
    --warn:#FFC24B;
    --text:#F4F1FF;
    --text-2:#B8AEDA;
    --text-3:#8B80AE;
    --r-lg:26px;
    --r-md:20px;
    --r-sm:14px;
    --sh-1:0 16px 36px -18px rgba(124,58,237,.5);
    --sh-2:0 26px 54px -20px rgba(229,49,140,.45);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg-900);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(680px 520px at 8% -6%, rgba(124,58,237,.24), transparent 62%),
      radial-gradient(720px 560px at 102% 104%, rgba(229,49,140,.18), transparent 62%);
  }
  img{display:block;max-width:100%;}
  a{color:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:700;}
  p{margin:0;}
  ul,ol{margin:0;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){ .container{padding:0 32px;} }

  /* ============ Header / Nav ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(16,10,31,.72);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;
    transition:background .25s ease,border-color .25s ease;
  }
  .site-header.scrolled{background:rgba(16,10,31,.94);border-bottom-color:var(--line);}
  .header-main{padding:13px 0;}
  .header-inner{display:flex;align-items:center;gap:16px;}
  .brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
  .brand-mark{
    width:34px;height:34px;border-radius:11px;background:var(--grad);
    display:inline-flex;align-items:center;justify-content:center;
    box-shadow:var(--sh-1);flex:0 0 auto;
  }
  .brand-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
  .nav-search{position:relative;display:flex;align-items:center;flex:1 1 360px;max-width:520px;min-width:0;}
  .nav-search .search-icon{position:absolute;left:16px;width:18px;height:18px;fill:none;stroke:var(--text-3);stroke-width:1.8;pointer-events:none;}
  .nav-search input[type="search"]{
    width:100%;height:44px;border-radius:999px;background:var(--bg-700);
    border:1px solid var(--line);color:var(--text);
    padding:0 104px 0 44px;font-size:14px;font-family:inherit;
    transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .nav-search input[type="search"]::placeholder{color:var(--text-3);}
  .nav-search input[type="search"]:hover{border-color:rgba(140,110,240,.4);}
  .nav-search input[type="search"]:focus{
    outline:none;border-color:var(--brand-a);background:#1B1338;
    box-shadow:0 0 0 4px rgba(124,58,237,.18);
  }
  .nav-search button{
    position:absolute;right:5px;height:34px;padding:0 16px;border-radius:999px;
    border:none;background:var(--grad);color:#fff;font-size:13.5px;font-weight:600;
    font-family:inherit;cursor:pointer;transition:transform .2s,box-shadow .2s;
  }
  .nav-search button:hover{transform:translateY(-1px);box-shadow:var(--sh-1);}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{
    padding:9px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
    text-decoration:none;white-space:nowrap;transition:color .2s,background .2s;
  }
  .nav-link:hover{color:var(--text);background:rgba(124,58,237,.14);}
  .nav-link.active{color:#fff;background:rgba(124,58,237,.24);}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:12px;background:var(--bg-700);
    border:1px solid var(--line);cursor:pointer;margin-left:auto;flex:0 0 auto;
  }
  .nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--text);stroke-width:1.8;stroke-linecap:round;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-sm);font-size:14.5px;font-weight:600;font-family:inherit;
    padding:12px 22px;text-decoration:none;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
    border:1px solid transparent;
  }
  .btn-sm{padding:10px 18px;font-size:14px;}
  .btn-primary{background:var(--grad);background-size:140% 140%;color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:var(--sh-2);}
  .btn-ghost{background:transparent;border-color:rgba(140,110,240,.5);color:var(--text);}
  .btn-ghost:hover{background:rgba(124,58,237,.12);transform:translateY(-2px);}
  .btn:focus-visible,.nav-link:focus-visible,.nav-toggle:focus-visible,a:focus-visible{
    outline:none;box-shadow:0 0 0 2px var(--accent);
  }
  .nav-cta{flex:0 0 auto;}
  .mobile-panel{display:none;}
  @media (max-width:1023px){
    .nav-links,.nav-cta{display:none;}
    .nav-toggle{display:inline-flex;}
    .mobile-panel{
      display:block;max-height:0;overflow:hidden;
      transition:max-height .32s ease;border-top:1px solid transparent;
    }
    .mobile-panel.open{max-height:360px;border-top-color:var(--line);}
    .mobile-panel-inner{padding:14px 20px 20px;display:grid;gap:8px;}
    .mobile-panel .nav-link{display:block;padding:12px 14px;font-size:15px;background:var(--bg-800);}
    .mobile-panel .btn{margin-top:6px;}
  }
  @media (max-width:767px){
    .header-inner{flex-wrap:wrap;}
    .nav-search{order:3;flex:1 1 100%;max-width:none;margin-top:10px;}
    .brand-text{font-size:15px;}
    .header-main{padding:12px 0 14px;}
  }

  /* ============ Article hero ============ */
  .article-hero{
    position:relative;overflow:hidden;
    border-bottom:1px solid var(--line);
    background-image:linear-gradient(120deg,rgba(124,58,237,.42),rgba(229,49,140,.24)),url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
  }
  .article-hero::after{
    content:"";position:absolute;inset:0;z-index:1;
    background:linear-gradient(180deg,rgba(16,10,31,.58) 0%,rgba(16,10,31,.9) 62%,rgba(16,10,31,.98) 100%);
  }
  .article-hero .container{position:relative;z-index:2;padding-top:42px;padding-bottom:38px;}
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
  .crumbs a{color:var(--text-2);text-decoration:none;transition:color .2s;}
  .crumbs a:hover{color:#fff;}
  .crumbs .sep{color:rgba(139,128,174,.7);}
  .crumbs .current{max-width:230px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2);}
  .article-hero h1{
    margin:18px 0 16px;max-width:920px;
    font-size:clamp(26px,3.6vw,42px);line-height:1.22;font-weight:700;letter-spacing:.005em;
  }
  .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--text-2);}
  .badge{
    display:inline-flex;align-items:center;gap:6px;border-radius:999px;
    padding:5px 13px;font-size:12.5px;font-weight:600;line-height:1.5;
  }
  .badge-cat{background:rgba(124,58,237,.18);color:#C9B8FF;border:1px solid rgba(124,58,237,.34);}
  .badge-data{background:transparent;color:var(--accent);border:1px solid rgba(45,225,168,.45);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
  .badge-soft{background:rgba(255,255,255,.05);color:var(--text-3);border:1px solid var(--line);}

  /* ============ Layout ============ */
  .article-layout{
    display:grid;grid-template-columns:8fr 4fr;gap:36px;align-items:start;
    padding:48px 0 0;position:relative;z-index:2;
  }
  .article-side{position:sticky;top:92px;display:grid;gap:20px;}
  .side-card{
    background:var(--bg-800);border:1px solid var(--line);
    border-radius:var(--r-md);padding:20px;
  }
  .side-title{
    display:flex;align-items:center;gap:8px;
    font-size:14.5px;font-weight:600;color:var(--text);margin-bottom:14px;
  }
  .side-title::before{
    content:"";width:4px;height:15px;border-radius:3px;background:var(--grad);flex:0 0 auto;
  }
  .toc-list{list-style:none;padding:0;margin:0;display:grid;gap:4px;max-height:340px;overflow:auto;}
  .toc-list a{
    display:block;padding:7px 10px;border-radius:10px;font-size:13.5px;
    color:var(--text-2);text-decoration:none;line-height:1.55;
    border-left:2px solid transparent;transition:color .2s,background .2s,border-color .2s;
  }
  .toc-list a:hover{color:#fff;background:rgba(124,58,237,.14);border-left-color:var(--brand-b);}
  .toc-list li.lv3 a{padding-left:22px;font-size:13px;color:var(--text-3);}
  .side-empty{font-size:13px;color:var(--text-3);line-height:1.7;}
  .side-links{display:grid;gap:8px;}
  .side-link{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:11px 14px;border-radius:12px;background:var(--bg-700);
    border:1px solid var(--line);font-size:13.5px;color:var(--text-2);
    text-decoration:none;transition:border-color .2s,color .2s,transform .2s;
  }
  .side-link:hover{color:#fff;border-color:rgba(124,58,237,.55);transform:translateX(3px);}
  .side-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}

  /* ============ Article body ============ */
  .article-card{
    background:var(--bg-800);border:1px solid var(--line);
    border-radius:var(--r-lg);padding:26px 22px 32px;
  }
  @media (min-width:768px){ .article-card{padding:38px 40px 44px;} }
  .article-cover{
    border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
    background:var(--bg-700);margin-bottom:28px;
  }
  .article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
  .article-body{font-size:17px;line-height:1.85;color:var(--text);overflow-wrap:break-word;}
  .article-body > *:first-child{margin-top:0;}
  .article-body p{margin:0 0 18px;}
  .article-body h2{
    position:relative;margin:40px 0 16px;padding-left:14px;
    font-size:clamp(21px,2.4vw,27px);line-height:1.35;font-weight:700;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
    border-radius:4px;background:var(--grad);
  }
  .article-body h3{margin:28px 0 12px;font-size:19px;line-height:1.45;font-weight:600;}
  .article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
  .article-body ul{list-style:none;}
  .article-body ul li{position:relative;margin-bottom:9px;}
  .article-body ul li::before{
    content:"";position:absolute;left:-16px;top:.72em;width:6px;height:6px;
    border-radius:50%;background:var(--accent);
  }
  .article-body ol li{margin-bottom:9px;}
  .article-body ol li::marker{color:var(--brand-b);font-weight:700;}
  .article-body blockquote{
    margin:22px 0;padding:15px 20px;border-radius:0 14px 14px 0;
    background:linear-gradient(90deg,rgba(124,58,237,.16),rgba(229,49,140,.06));
    border-left:4px solid var(--brand-a);color:var(--text-2);font-size:16px;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{border-radius:16px;margin:22px 0;background:var(--bg-700);height:auto;}
  .article-body a{color:#C4B5FD;text-decoration:underline;text-underline-offset:3px;transition:color .2s;}
  .article-body a:hover{color:#fff;}
  .article-body pre{
    margin:22px 0;padding:16px 18px;border-radius:14px;
    background:#0B0718;border:1px solid var(--line);
    overflow-x:auto;font-size:13.5px;line-height:1.75;
  }
  .article-body code{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;
    background:rgba(124,58,237,.18);padding:2px 6px;border-radius:6px;
  }
  .article-body pre code{background:none;padding:0;font-size:inherit;}
  .article-body table{
    width:100%;display:block;overflow-x:auto;border-collapse:collapse;
    margin:22px 0;font-size:15px;
  }
  .article-body th,.article-body td{
    border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;
  }
  .article-body thead th{background:rgba(124,58,237,.2);color:#E9E3FF;font-weight:600;}
  .article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025);}
  .article-body iframe,.article-body video{max-width:100%;border-radius:14px;border:1px solid var(--line);}
  .article-body figure{margin:22px 0;}
  .article-body figcaption{margin-top:8px;font-size:13px;color:var(--text-3);line-height:1.6;}
  .empty-state{
    display:grid;justify-items:center;gap:14px;text-align:center;
    padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-md);
    background:rgba(31,22,64,.5);
  }
  .empty-state svg{width:44px;height:44px;fill:none;stroke:var(--text-3);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;}
  .empty-state h2{font-size:20px;font-weight:700;}
  .empty-state p{color:var(--text-3);font-size:14px;max-width:420px;}

  /* ============ After article ============ */
  .after-article{padding:40px 0 0;position:relative;z-index:2;}
  .action-bar{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
    padding:24px 26px;border-radius:var(--r-lg);
    background:linear-gradient(120deg,rgba(124,58,237,.22),rgba(229,49,140,.14)),var(--bg-800);
    border:1px solid var(--line);box-shadow:var(--sh-1);
  }
  .action-bar h2{font-size:clamp(18px,2vw,22px);line-height:1.4;margin-bottom:8px;}
  .action-bar p{color:var(--text-2);font-size:14px;max-width:560px;}
  .action-btns{display:flex;flex-wrap:wrap;gap:12px;}
  .section-head{margin:52px 0 20px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;}
  .section-head h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;}
  .section-head p{color:var(--text-3);font-size:13.5px;}
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .rel-card{
    display:flex;flex-direction:column;overflow:hidden;text-decoration:none;
    background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-md);
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .rel-card:hover{transform:translateY(-3px);border-color:rgba(124,58,237,.55);box-shadow:var(--sh-1);}
  .rel-thumb{aspect-ratio:16/10;background:var(--bg-700);overflow:hidden;}
  .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .rel-card:hover .rel-thumb img{transform:scale(1.04);}
  .rel-body{padding:18px;display:grid;gap:8px;}
  .rel-body h3{font-size:16.5px;line-height:1.45;font-weight:600;}
  .rel-body p{font-size:13.5px;color:var(--text-3);line-height:1.7;}
  .rel-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3);}

  /* ============ Footer ============ */
  .site-footer{margin-top:76px;padding-bottom:26px;position:relative;z-index:2;}
  .footer-line{height:1px;background:linear-gradient(90deg,transparent,rgba(124,58,237,.6),rgba(229,49,140,.5),transparent);}
  .footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:46px 0 30px;}
  .footer-brand p{margin-top:14px;color:var(--text-3);font-size:13.5px;line-height:1.8;max-width:330px;}
  .footer-col h4{font-size:14.5px;font-weight:600;color:var(--text);margin-bottom:14px;}
  .footer-col ul{list-style:none;padding:0;display:grid;gap:10px;}
  .footer-col a{color:var(--text-2);font-size:13.5px;text-decoration:none;transition:color .2s;}
  .footer-col a:hover{color:#fff;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    border-top:1px solid var(--line);padding-top:20px;
    color:var(--text-3);font-size:12.5px;
  }
  @media (max-width:1023px){
    .footer-inner{grid-template-columns:1fr 1fr;gap:26px;}
    .related-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:1279px){
    .article-layout{grid-template-columns:1fr;gap:28px;}
    .article-side{position:static;}
  }
  @media (max-width:767px){
    .article-layout{padding-top:32px;}
    .article-card{padding:22px 18px 28px;}
    .article-body{font-size:16px;line-height:1.8;}
    .related-grid{grid-template-columns:1fr;}
    .footer-inner{grid-template-columns:1fr;gap:24px;}
    .action-bar{padding:20px;}
    .action-btns{width:100%;}
    .action-btns .btn{flex:1 1 auto;}
  }

/* roulang page: category1 */
:root{
    --bg-900:#100A1F;
    --bg-800:#171031;
    --bg-700:#1F1640;
    --line:rgba(140,110,240,.22);
    --brand-a:#7C3AED;
    --brand-b:#E5318C;
    --accent:#2DE1A8;
    --warn:#FFC24B;
    --text:#F4F1FF;
    --muted:#B8AEDA;
    --dim:#8B80AE;
    --grad:linear-gradient(120deg,#7C3AED,#E5318C);
    --r-lg:26px;
    --r-md:20px;
    --r-sm:14px;
    --sh-1:0 16px 36px -18px rgba(124,58,237,.5);
    --sh-2:0 26px 54px -20px rgba(229,49,140,.45);
    --sect:88px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background-color:var(--bg-900);
    background-image:
      radial-gradient(900px 520px at 8% -6%, rgba(124,58,237,.28), transparent 62%),
      radial-gradient(760px 480px at 96% 12%, rgba(229,49,140,.20), transparent 60%);
    background-repeat:no-repeat;
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block;background:var(--bg-700)}
  button,input{font-family:inherit}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}
  .section{padding:var(--sect) 0}
  .section-tight{padding:56px 0}
  @media (max-width:1024px){:root{--sect:64px}}
  @media (max-width:640px){:root{--sect:48px}}
  .divider{height:1px;background:linear-gradient(90deg,transparent,rgba(124,58,237,.45),rgba(229,49,140,.35),transparent)}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.14em;color:var(--accent);
    text-transform:uppercase;font-weight:600;
  }
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
  .section-head{max-width:760px;margin-bottom:40px}
  .section-head h2{font-size:clamp(22px,3vw,34px);line-height:1.3;margin:14px 0 12px}
  .section-head p{color:var(--muted);font-size:15.5px}
  @media (max-width:768px){.section-head{margin-bottom:28px}}

  /* ===== 头部导航 ===== */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(16,10,31,.74);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;
    transition:background .25s ease,border-color .25s ease;
  }
  .site-header.scrolled{
    background:rgba(16,10,31,.94);
    border-bottom-color:var(--line);
  }
  .header-inner{
    display:flex;align-items:center;gap:16px;
    flex-wrap:wrap;padding:12px 0;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:36px;height:36px;border-radius:12px;
    display:grid;place-items:center;
    background:var(--grad);
    box-shadow:var(--sh-1);
  }
  .brand-mark svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .brand-text{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
  .nav-search{
    display:flex;align-items:center;
    flex:1 1 300px;max-width:460px;
    background:var(--bg-800);
    border:1px solid var(--line);
    border-radius:999px;
    padding:4px 4px 4px 14px;
    transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .nav-search:focus-within{border-color:var(--brand-a);box-shadow:0 0 0 4px rgba(124,58,237,.18);background:var(--bg-700)}
  .nav-search svg{width:17px;height:17px;flex:0 0 auto;stroke:var(--dim);fill:none;stroke-width:2;stroke-linecap:round}
  .nav-search input{
    flex:1 1 auto;min-width:0;
    background:transparent;border:0;outline:none;
    color:var(--text);font-size:14px;padding:8px 10px;
  }
  .nav-search input::placeholder{color:var(--dim)}
  .nav-search button{
    flex:0 0 auto;border:0;cursor:pointer;
    padding:8px 16px;border-radius:999px;
    background:var(--grad);color:#fff;font-size:13.5px;font-weight:600;
    transition:transform .2s,box-shadow .2s;
  }
  .nav-search button:hover{transform:translateY(-1px);box-shadow:var(--sh-1)}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
  .nav-link{
    display:inline-block;padding:8px 13px;border-radius:999px;
    font-size:14px;color:var(--muted);
    transition:color .2s,background .2s;
    white-space:nowrap;
  }
  .nav-link:hover{color:#fff;background:rgba(124,58,237,.16)}
  .nav-link.active{
    color:#fff;background:rgba(124,58,237,.22);
    box-shadow:inset 0 0 0 1px rgba(160,120,255,.42);
  }
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-sm);border:1px solid transparent;
    padding:11px 22px;font-size:14.5px;font-weight:600;
    cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
    text-align:center;
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
  .btn-ghost{background:transparent;color:var(--text);border-color:rgba(124,58,237,.55)}
  .btn-ghost:hover{background:rgba(124,58,237,.12);transform:translateY(-2px)}
  .btn:focus-visible,.nav-link:focus-visible,.nav-search button:focus-visible{
    outline:2px solid var(--accent);outline-offset:2px;
  }
  .nav-cta{padding:10px 20px;font-size:14px}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;
    border:1px solid var(--line);background:var(--bg-800);
    cursor:pointer;align-items:center;justify-content:center;
  }
  .nav-toggle span{display:block;width:17px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:.25s}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:17px;height:2px;background:var(--text);border-radius:2px;transition:.25s;
  }
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  @media (max-width:1024px){
    .nav-cta{display:none}
    .nav-link{padding:8px 10px;font-size:13.5px}
  }
  @media (max-width:860px){
    .header-inner{padding:10px 0 12px}
    .brand{order:1}
    .nav-toggle{display:flex;order:2;margin-left:auto}
    .nav-search{order:3;flex:1 1 100%;max-width:none}
    .nav-links{
      order:4;flex:1 1 100%;margin-left:0;
      display:none;flex-direction:column;align-items:stretch;gap:6px;
      padding-top:10px;border-top:1px solid var(--line);
    }
    .nav-links.open{display:flex}
    .nav-link{padding:11px 14px;background:rgba(255,255,255,.02)}
    .nav-link.active{background:rgba(124,58,237,.24)}
  }

  /* ===== Hero ===== */
  .page-hero{
    position:relative;overflow:hidden;
    border-bottom:1px solid var(--line);
    padding:54px 0 56px;
    background-image:
      linear-gradient(115deg,rgba(16,10,31,.92),rgba(23,16,49,.86) 46%,rgba(124,58,237,.62)),
      url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(620px 320px at 88% 8%, rgba(229,49,140,.32), transparent 62%);
  }
  .page-hero .container{position:relative;z-index:2}
  .crumb{font-size:13px;color:var(--dim);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
  .crumb a:hover{color:var(--accent)}
  .crumb span.sep{opacity:.55}
  .page-hero h1{
    font-size:clamp(30px,5vw,52px);line-height:1.16;font-weight:700;
    margin:20px 0 16px;max-width:900px;
  }
  .page-hero h1 em{
    font-style:normal;
    background:linear-gradient(120deg,#C4A2FF,#FF8AC4);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-sub{max-width:720px;color:var(--muted);font-size:16.5px}
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;
  }
  .badge{
    display:inline-flex;align-items:center;gap:7px;
    border-radius:999px;padding:6px 14px;
    font-size:13px;line-height:1.4;font-weight:600;
    font-variant-numeric:tabular-nums;letter-spacing:.02em;
  }
  .badge-data{border:1px solid rgba(45,225,168,.55);color:var(--accent);background:rgba(45,225,168,.07)}
  .badge-reward{background:var(--warn);color:#2A1A00;font-weight:700}
  .badge-type{background:rgba(124,58,237,.16);color:#C9B4FF}
  .pill-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
  .pill-nav a{
    display:inline-flex;align-items:center;
    padding:8px 18px;border-radius:999px;
    border:1px solid var(--line);background:rgba(23,16,49,.66);
    font-size:13.5px;color:var(--muted);
    transition:color .2s,border-color .2s,background .2s,transform .2s;
  }
  .pill-nav a:hover{color:#fff;border-color:rgba(160,120,255,.6);background:rgba(124,58,237,.2);transform:translateY(-2px)}

  /* ===== 卡片网格 ===== */
  .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  @media (max-width:1024px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
  @media (max-width:640px){.card-grid{grid-template-columns:1fr;gap:18px}}
  .entry-card{
    display:flex;flex-direction:column;
    background:var(--bg-700);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    overflow:hidden;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .entry-card:hover{
    transform:translateY(-3px);
    border-color:rgba(124,58,237,.55);
    box-shadow:var(--sh-1);
  }
  .entry-thumb{display:block;overflow:hidden;background:var(--bg-700)}
  .entry-thumb img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    transition:transform .25s ease;
  }
  .entry-card:hover .entry-thumb img{transform:scale(1.03)}
  .entry-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
  .entry-body h3{font-size:18.5px;line-height:1.4;font-weight:600}
  .entry-body h3 a{transition:color .2s}
  .entry-body h3 a:hover{color:#C9B4FF}
  .entry-desc{
    color:var(--muted);font-size:14.5px;line-height:1.75;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .entry-meta{
    margin-top:auto;padding-top:14px;border-top:1px solid rgba(140,110,240,.14);
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:13px;color:var(--dim);font-variant-numeric:tabular-nums;
  }

  /* ===== 加载更多位 ===== */
  .load-more{
    margin-top:40px;display:flex;flex-direction:column;align-items:center;gap:12px;
  }
  .load-more .btn{min-width:190px}
  .load-more .hint{font-size:13px;color:var(--dim)}

  /* ===== 步骤流程 ===== */
  .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  @media (max-width:900px){.steps{grid-template-columns:1fr;gap:16px}}
  .step-card{
    position:relative;
    background:linear-gradient(180deg,rgba(31,22,64,.95),rgba(23,16,49,.95));
    border:1px solid var(--line);border-radius:var(--r-md);
    padding:26px 22px 24px;
  }
  .step-num{
    width:44px;height:44px;border-radius:14px;
    display:grid;place-items:center;
    font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
    background:var(--grad);color:#fff;box-shadow:var(--sh-1);
    margin-bottom:16px;
  }
  .step-card h3{font-size:19px;margin-bottom:10px}
  .step-card p{color:var(--muted);font-size:14.5px}
  .step-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
  .step-list li{
    position:relative;padding-left:20px;font-size:14px;color:var(--muted);
  }
  .step-list li::before{
    content:"";position:absolute;left:0;top:9px;
    width:8px;height:8px;border-radius:3px;
    background:linear-gradient(120deg,var(--brand-a),var(--brand-b));
  }

  /* ===== 准备清单 ===== */
  .prep-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
  @media (max-width:960px){.prep-wrap{grid-template-columns:1fr;gap:26px}}
  .checklist{
    background:var(--bg-800);border:1px solid var(--line);
    border-radius:var(--r-lg);padding:26px 24px;
  }
  .checklist li{
    display:flex;gap:14px;padding:14px 0;
    border-bottom:1px dashed rgba(140,110,240,.18);
  }
  .checklist li:last-child{border-bottom:0;padding-bottom:2px}
  .checklist li:first-child{padding-top:4px}
  .check-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:9px;
    display:grid;place-items:center;margin-top:2px;
    background:rgba(45,225,168,.12);border:1px solid rgba(45,225,168,.4);
  }
  .check-icon svg{width:13px;height:13px;fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
  .checklist h4{font-size:15.5px;font-weight:600;margin-bottom:3px}
  .checklist p{font-size:14px;color:var(--muted)}
  .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .stat-card{
    background:var(--bg-700);border:1px solid var(--line);
    border-radius:var(--r-md);padding:20px 18px;
  }
  .stat-card .num{
    font-size:26px;font-weight:700;letter-spacing:.02em;
    font-variant-numeric:tabular-nums;
    background:linear-gradient(120deg,#C4A2FF,#FF8AC4);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stat-card .lab{font-size:13.5px;color:var(--muted);margin-top:6px}
  .prep-note{
    margin-top:18px;font-size:13px;color:var(--dim);
    background:rgba(124,58,237,.08);border:1px solid var(--line);
    border-radius:var(--r-sm);padding:14px 16px;
  }

  /* ===== FAQ ===== */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
  .faq-item{
    background:var(--bg-800);border:1px solid var(--line);
    border-radius:18px;overflow:hidden;
    transition:border-color .2s,background .2s;
  }
  .faq-item[open]{border-color:rgba(124,58,237,.5);background:var(--bg-700)}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:16px;font-weight:600;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:9px;
    display:grid;place-items:center;
    border:1px solid rgba(160,120,255,.45);color:#C9B4FF;
    font-size:15px;line-height:1;transition:transform .25s ease,background .25s;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(124,58,237,.26)}
  .faq-body{
    padding:2px 22px 20px 22px;margin-left:22px;
    border-left:3px solid;
    border-image:linear-gradient(180deg,#7C3AED,#E5318C) 1;
    color:var(--muted);font-size:14.8px;
  }

  /* ===== CTA ===== */
  .cta-band{
    position:relative;overflow:hidden;
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    background-image:
      linear-gradient(110deg,rgba(23,16,49,.94),rgba(124,58,237,.6)),
      url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    padding:36px 34px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  }
  .cta-band h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:10px}
  .cta-band p{color:var(--muted);font-size:14.8px;max-width:640px}
  @media (max-width:640px){
    .cta-band{padding:26px 20px}
    .cta-band .btn{width:100%}
  }

  /* ===== 页脚 ===== */
  .site-footer{background:rgba(16,10,31,.72);margin-top:0}
  .footer-line{height:1px;background:linear-gradient(90deg,transparent,rgba(124,58,237,.55),rgba(229,49,140,.45),transparent)}
  .footer-inner{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
    padding:52px 0 34px;
  }
  .footer-brand p{color:var(--dim);font-size:14px;margin-top:16px;max-width:360px}
  .footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;color:var(--muted);transition:color .2s,padding-left .2s}
  .footer-col a:hover{color:#fff;padding-left:3px}
  .footer-bottom{
    border-top:1px solid rgba(140,110,240,.16);
    padding:20px 0 30px;
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:13px;color:var(--dim);
  }
  @media (max-width:900px){
    .footer-inner{grid-template-columns:1fr 1fr;gap:26px;padding:40px 0 26px}
  }
  @media (max-width:560px){
    .footer-inner{grid-template-columns:1fr;gap:24px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .stat-grid{grid-template-columns:1fr}
  }

/* roulang page: category2 */
:root{
  --bg-900:#100A1F;
  --bg-800:#171031;
  --bg-700:#1F1640;
  --line:rgba(140,110,240,.22);
  --brand-a:#7C3AED;
  --brand-b:#E5318C;
  --grad:linear-gradient(120deg,#7C3AED,#E5318C);
  --accent:#2DE1A8;
  --warn:#FFC24B;
  --text:#F4F1FF;
  --text-2:#B8AEDA;
  --text-3:#8B80AE;
  --r-xl:26px;
  --r-lg:20px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 16px 36px -18px rgba(124,58,237,.5);
  --sh-2:0 26px 54px -20px rgba(229,49,140,.45);
  --sec:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(900px 620px at -8% -6%, rgba(124,58,237,.20), transparent 62%),
    radial-gradient(880px 700px at 108% 12%, rgba(229,49,140,.14), transparent 64%),
    var(--bg-900);
  background-attachment:fixed;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
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;}
strong{color:#fff;font-weight:700;}
svg{display:block;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(16,10,31,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(16,10,31,.92);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:74px;padding:10px 0;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad);
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:21px;height:21px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{
  font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
  background:linear-gradient(100deg,#FFFFFF,#E9DFFF 60%,#FFD9EE);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-search{
  display:none;align-items:center;gap:8px;
  flex:1 1 auto;max-width:540px;
  background:var(--bg-700);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 6px 6px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--brand-a);
  box-shadow:0 0 0 4px rgba(124,58,237,.18);
}
.search-icon{width:18px;height:18px;stroke:var(--text-3);fill:none;stroke-width:1.8;stroke-linecap:round;flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;min-width:0;background:none;border:0;outline:none;
  font-size:14.5px;color:var(--text);padding:6px 0;
}
.nav-search input::placeholder{color:var(--text-3);}
.search-btn{
  flex:0 0 auto;border-radius:999px;padding:8px 18px;
  font-size:14px;font-weight:700;color:#fff;background:var(--grad);
  transition:transform .2s ease,box-shadow .2s ease;
}
.search-btn:hover{transform:translateY(-1px);box-shadow:var(--sh-1);}
.header-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-links{display:none;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(124,58,237,.16);}
.nav-link.active{color:#fff;background:rgba(124,58,237,.24);box-shadow:inset 0 0 0 1px var(--line);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--grad);
}
.menu-toggle{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--bg-700);
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);margin:2px 0;}
.mobile-search{
  display:flex;align-items:center;gap:8px;
  background:var(--bg-700);border:1px solid var(--line);border-radius:999px;
  padding:6px 6px 6px 16px;margin:0 0 14px;
}
.mobile-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;padding:6px 0;}
.mobile-search input::placeholder{color:var(--text-3);}
.mobile-nav{
  display:none;flex-direction:column;gap:6px;
  padding:0 0 16px;
}
.mobile-nav.is-open{display:flex;}
.mobile-nav .nav-link{width:100%;padding:11px 14px;border-radius:var(--r-sm);background:rgba(31,22,64,.7);}
.site-header.menu-open{border-bottom-color:var(--line);}
@media(min-width:900px){
  .nav-search{display:flex;}
  .nav-links{display:flex;}
  .menu-toggle{display:none;}
  .mobile-nav,.mobile-search{display:none !important;}
}
@media(min-width:900px) and (max-width:1180px){
  .nav-link{padding:8px 8px;font-size:13.5px;}
  .btn-nav{display:none;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);padding:13px 24px;
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{color:#fff;background:var(--grad);background-size:140% 140%;box-shadow:var(--sh-1);}
.btn-primary:hover{transform:translateY(-2px);background-position:12% 50%;box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{color:var(--text);border-color:var(--line);background:rgba(124,58,237,.08);}
.btn-ghost:hover{background:rgba(124,58,237,.20);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px;}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.badge-data{border:1px solid rgba(45,225,168,.45);color:var(--accent);background:rgba(45,225,168,.08);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.badge-reward{background:var(--warn);color:#2A1B00;font-weight:700;}
.badge-cat{background:rgba(124,58,237,.16);color:#CDB8FF;}
.badge-soft{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line);}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 52px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.24;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,10,31,.72),rgba(16,10,31,.94) 62%,var(--bg-900));
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);transition:color .2s ease;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span[aria-current]{color:var(--text-2);}
.page-hero h1{
  font-size:clamp(28px,4.4vw,46px);line-height:1.18;font-weight:700;
  max-width:900px;
}
.page-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:16px;max-width:720px;color:var(--text-2);font-size:clamp(15px,1.5vw,17px);}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ============ 分栏主体 ============ */
.split-section{padding:var(--sec) 0 0;}
.split-grid{display:grid;grid-template-columns:1fr;gap:32px;}
.aside-index{
  align-self:start;
  background:linear-gradient(180deg,rgba(31,22,64,.86),rgba(23,16,49,.72));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;
}
.aside-title{
  font-size:12.5px;letter-spacing:.14em;color:var(--text-3);
  text-transform:uppercase;margin-bottom:14px;
}
.idx-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14.5px;color:var(--text-2);
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.idx-link:hover{background:rgba(124,58,237,.14);color:#fff;}
.idx-link.active{
  color:#fff;background:rgba(124,58,237,.20);
  border-left-color:var(--brand-b);
}
.idx-link .dot{width:6px;height:6px;border-radius:50%;background:var(--text-3);flex:0 0 auto;transition:background .2s ease;}
.idx-link.active .dot{background:var(--accent);}
.aside-note{
  margin-top:18px;padding:14px;border-radius:var(--r-sm);
  background:rgba(45,225,168,.07);border:1px solid rgba(45,225,168,.22);
  font-size:13px;color:var(--text-2);line-height:1.7;
}
@media(min-width:1024px){
  .split-grid{grid-template-columns:264px minmax(0,1fr);gap:44px;}
  .aside-index{position:sticky;top:98px;}
}

/* 正文列 */
.split-main{display:flex;flex-direction:column;gap:38px;min-width:0;}
.article-block{
  background:linear-gradient(180deg,rgba(31,22,64,.58),rgba(23,16,49,.5));
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px 22px;
}
@media(min-width:768px){.article-block{padding:34px 32px;}}
.article-block h2{
  font-size:clamp(21px,2.4vw,28px);line-height:1.32;font-weight:700;
  padding-left:16px;position:relative;margin-bottom:18px;
}
.article-block h2::before{
  content:"";position:absolute;left:0;top:6px;
  width:4px;height:calc(100% - 10px);border-radius:4px;background:var(--grad);
}
.article-block h3{font-size:19px;font-weight:600;margin:24px 0 10px;color:#fff;}
.article-block p{color:var(--text-2);margin-bottom:16px;font-size:16.5px;}
.article-block p:last-child{margin-bottom:0;}
.lead{color:#DDD5F7 !important;font-size:17px !important;}
.num-list{counter-reset:n;display:flex;flex-direction:column;gap:14px;margin:6px 0 4px;}
.num-list li{
  counter-increment:n;position:relative;
  padding:14px 16px 14px 54px;border-radius:var(--r-sm);
  background:rgba(31,22,64,.66);border:1px solid var(--line);
  color:var(--text-2);font-size:15.5px;
}
.num-list li::before{
  content:counter(n,decimal-leading-zero);
  position:absolute;left:16px;top:14px;
  font-size:13px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.num-list li strong{display:block;color:#fff;font-size:15.5px;margin-bottom:2px;}
.inline-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* 数据徽章 2×2 */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px;}
.stat-card{
  background:radial-gradient(220px 140px at 100% 0%,rgba(124,58,237,.24),transparent 70%),var(--bg-700);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 16px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(124,58,237,.5);box-shadow:var(--sh-1);}
.stat-value{
  font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  background:linear-gradient(120deg,#FFFFFF,#CFA9FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-value small{font-size:13px;font-weight:600;color:var(--text-2);-webkit-text-fill-color:var(--text-2);margin-left:4px;}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.6;}
@media(max-width:520px){.stat-grid{grid-template-columns:1fr;}}

/* 参数对比条 */
.compare-wrap{
  margin-top:22px;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;background:rgba(23,16,49,.6);
}
.compare-scroll{overflow-x:auto;}
.compare-table{width:100%;min-width:640px;border-collapse:collapse;font-size:14.5px;}
.compare-table caption{
  caption-side:top;text-align:left;
  padding:16px 18px 10px;font-size:13px;color:var(--text-3);
}
.compare-table th,.compare-table td{
  padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);
  vertical-align:top;color:var(--text-2);
}
.compare-table thead th{
  background:linear-gradient(90deg,rgba(124,58,237,.26),rgba(229,49,140,.16));
  color:#fff;font-size:14px;font-weight:700;white-space:nowrap;
}
.compare-table tbody tr:nth-child(odd){background:rgba(31,22,64,.42);}
.compare-table tbody tr:hover{background:rgba(124,58,237,.14);}
.compare-table td:first-child{color:#fff;font-weight:600;}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-hint{padding:12px 18px;font-size:12.5px;color:var(--text-3);border-top:1px solid var(--line);}

/* 图片块 */
.figure-block{margin:22px 0 6px;}
.figure-block img{
  width:100%;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--bg-700);aspect-ratio:16/9;object-fit:cover;
}
.figure-block figcaption{margin-top:10px;font-size:13px;color:var(--text-3);}

/* 折叠说明区 */
.acc-list{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.acc-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(31,22,64,.6);overflow:hidden;
  transition:border-color .22s ease;
}
.acc-item[open]{border-color:rgba(124,58,237,.45);}
.acc-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 18px;font-size:15.5px;font-weight:600;color:#fff;
}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary .sign{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);background:rgba(124,58,237,.16);
  transition:transform .25s ease,background .25s ease;
}
.acc-item summary .sign::before,
.acc-item summary .sign::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--text);border-radius:2px;
}
.acc-item summary .sign::before{width:10px;height:1.6px;}
.acc-item summary .sign::after{width:1.6px;height:10px;transition:opacity .25s ease;}
.acc-item[open] summary .sign{transform:rotate(180deg);background:var(--grad);border-color:transparent;}
.acc-item[open] summary .sign::after{opacity:0;}
.acc-body{
  padding:0 18px 18px 18px;border-left:3px solid transparent;
  color:var(--text-2);font-size:15px;
}
.acc-item[open] .acc-body{border-left-color:var(--brand-b);padding-left:18px;}

/* FAQ */
.faq-section{padding:var(--sec) 0 0;}
.section-head{max-width:720px;margin-bottom:30px;}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;}
.faq-grid{display:grid;grid-template-columns:1fr;gap:12px;}
@media(min-width:900px){.faq-grid{grid-template-columns:1fr 1fr;gap:14px 20px;}}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(31,22,64,.72),rgba(23,16,49,.6));
  overflow:hidden;transition:border-color .22s ease,transform .22s ease;
}
.faq-item:hover{border-color:rgba(124,58,237,.4);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:18px;font-size:15.5px;font-weight:600;color:#fff;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);background:rgba(124,58,237,.16);
  transition:transform .25s ease,background .25s ease;
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--text);border-radius:2px;
}
.faq-item summary .sign::before{width:10px;height:1.6px;}
.faq-item summary .sign::after{width:1.6px;height:10px;transition:opacity .25s ease;}
.faq-item[open] summary .sign{transform:rotate(180deg);background:var(--grad);border-color:transparent;}
.faq-item[open] summary .sign::after{opacity:0;}
.faq-answer{padding:0 18px 18px 18px;border-left:3px solid transparent;color:var(--text-2);font-size:15px;}
.faq-item[open] .faq-answer{border-left-color:var(--brand-b);}

/* 延伸阅读 */
.more-section{padding:var(--sec) 0 0;}
.more-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:768px){.more-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
.more-card{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:20px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--bg-800);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.more-card:hover{transform:translateY(-3px);border-color:rgba(124,58,237,.5);box-shadow:var(--sh-1);}
.more-card strong{display:block;font-size:16px;color:#fff;margin-bottom:4px;}
.more-card span{font-size:13.5px;color:var(--text-3);}
.more-card .arrow{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;background:rgba(124,58,237,.18);
  border:1px solid var(--line);color:#fff;font-size:15px;
}

/* CTA 通栏 */
.cta-band{padding:var(--sec) 0 0;}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(124,58,237,.34),rgba(229,49,140,.24)),var(--bg-800);
  padding:32px 24px;
  display:flex;flex-direction:column;gap:22px;
}
.cta-card::after{
  content:"";position:absolute;right:-80px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,225,168,.24),transparent 66%);
}
.cta-card h2{font-size:clamp(21px,2.6vw,30px);line-height:1.32;position:relative;z-index:2;}
.cta-card p{margin-top:10px;color:var(--text-2);max-width:620px;position:relative;z-index:2;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}
@media(min-width:900px){
  .cta-card{flex-direction:row;align-items:center;justify-content:space-between;padding:42px 40px;}
  .cta-content{max-width:640px;}
}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--sec);}
.footer-line{height:1px;background:var(--grad);opacity:.55;}
.footer-inner{
  display:grid;grid-template-columns:1fr;gap:28px;
  padding:52px 0 34px;
}
@media(min-width:640px){.footer-inner{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-inner{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--text-3);max-width:340px;line-height:1.8;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:18px 0 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
@media(max-width:520px){
  :root{--sec:56px;}
  .article-block{border-radius:var(--r-lg);}
  .hero-badges{gap:8px;}
}

/* roulang page: category3 */
:root{
  --bg-900:#100A1F;
  --bg-800:#171031;
  --bg-700:#1F1640;
  --line:rgba(140,110,240,.22);
  --brand-a:#7C3AED;
  --brand-b:#E5318C;
  --grad:linear-gradient(120deg,#7C3AED,#E5318C);
  --accent:#2DE1A8;
  --warn:#FFC24B;
  --text:#F4F1FF;
  --text-2:#B8AEDA;
  --text-3:#8B80AE;
  --r-xl:26px;
  --r-md:20px;
  --r-sm:14px;
  --sh-1:0 16px 36px -18px rgba(124,58,237,.5);
  --sh-2:0 26px 54px -20px rgba(229,49,140,.45);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(760px 540px at 6% -8%,rgba(124,58,237,.30),transparent 62%),
    radial-gradient(700px 500px at 104% 14%,rgba(229,49,140,.20),transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:10px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;position:relative;z-index:1}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(16,10,31,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{background:rgba(16,10,31,.94);box-shadow:0 14px 34px -24px rgba(124,58,237,.95)}
.header-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;min-height:72px;padding-top:8px;padding-bottom:8px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--grad);box-shadow:var(--sh-1);flex:none}
.brand-mark svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.search-box{
  flex:1 1 300px;max-width:520px;display:flex;align-items:center;gap:6px;
  background:var(--bg-700);border:1px solid var(--line);border-radius:999px;
  padding:4px 4px 4px 16px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:rgba(124,58,237,.8);box-shadow:0 0 0 4px rgba(124,58,237,.18)}
.search-icon{width:18px;height:18px;flex:none;fill:none;stroke:var(--text-3);stroke-width:1.9;stroke-linecap:round}
.search-box input{flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;padding:10px 6px}
.search-box input::placeholder{color:var(--text-3)}
.search-btn{flex:none;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:700;color:#fff;background:var(--grad);background-size:150% 100%;transition:transform .2s ease,box-shadow .2s ease,background-position .25s ease}
.search-btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2);background-position:16% 0}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-link{font-size:14.5px;color:var(--text-2);padding:8px 12px;border-radius:999px;transition:color .2s ease,background .2s ease,box-shadow .2s ease;white-space:nowrap}
.nav-link:hover{color:var(--text);background:rgba(124,58,237,.16)}
.nav-link.active{color:#fff;background:rgba(124,58,237,.24);box-shadow:inset 0 0 0 1px rgba(140,110,240,.42)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--bg-700);align-items:center;justify-content:center}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* ---------- buttons & badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);font-size:15px;font-weight:700;padding:12px 24px;
  border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,background-position .25s ease;
}
.btn-primary{color:#fff;background-image:var(--grad);background-size:150% 100%;box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-2px);background-position:18% 0;box-shadow:var(--sh-2)}
.btn-ghost{color:var(--text);border-color:rgba(140,110,240,.45);background:transparent}
.btn-ghost:hover{background:rgba(124,58,237,.14);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:12px}
.btn:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;padding:7px 13px;white-space:nowrap;
}
.badge-data{color:#BFF6E4;border:1px solid rgba(45,225,168,.45);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.badge-reward{background:rgba(255,194,75,.92);color:#2A1A00;font-weight:700;font-variant-numeric:tabular-nums}
.badge-cat{background:rgba(124,58,237,.16);color:#CBB6FF}

/* ---------- page head ---------- */
.page-head{position:relative;padding:56px 0 46px;border-bottom:1px solid var(--line);overflow:hidden}
.page-head::after{
  content:"";position:absolute;left:50%;bottom:-180px;width:760px;height:340px;transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(229,49,140,.20),transparent);z-index:0;pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.6}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;
  color:#CBB6FF;background:rgba(124,58,237,.14);border:1px solid var(--line);
  border-radius:999px;padding:7px 15px;margin-bottom:16px;
}
.page-head h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700;margin:0 0 16px;letter-spacing:-.01em}
.page-head .lead{font-size:17px;color:var(--text-2);max-width:70ch;margin:0 0 26px}
.head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.pill-nav{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;font-size:14px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:9px 18px;
  background:rgba(31,22,64,.7);transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.pill:hover{color:#fff;border-color:rgba(124,58,237,.6);transform:translateY(-2px)}
.pill.active{color:#fff;border-color:transparent;background-image:var(--grad)}

/* ---------- sections ---------- */
.section{position:relative;padding:88px 0;z-index:1}
.section-tight{padding-top:0}
@media(max-width:1024px){.section{padding:64px 0}.section-tight{padding-top:0}}
@media(max-width:640px){.section{padding:48px 0}.section-tight{padding-top:0}}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,3vw,34px);line-height:1.3;font-weight:700;margin:0 0 12px}
.section-head p{color:var(--text-2);margin:0;font-size:16px}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(140,110,240,.5),transparent)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:27px;top:16px;bottom:16px;width:2px;opacity:.6;
  background:linear-gradient(180deg,rgba(124,58,237,.95),rgba(229,49,140,.65),rgba(45,225,168,.4));
}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:24px}
.tl-item:last-child{padding-bottom:0}
.tl-marker{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-800);border:1px solid var(--line);color:var(--text-2);
  font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;position:relative;z-index:1;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.tl-item.is-current .tl-marker{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-1)}
.tl-item.is-done .tl-marker{background:rgba(45,225,168,.16);border-color:rgba(45,225,168,.55);color:var(--accent)}
.tl-card{
  background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(124,58,237,.45);box-shadow:var(--sh-1)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.tl-head h3{font-size:20px;line-height:1.4;font-weight:600;margin:0}
.tl-card p{margin:0 0 14px;color:var(--text-2);font-size:15.5px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px}
@media(max-width:640px){
  .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-marker{width:44px;height:44px;font-size:16px}
  .timeline::before{left:21px}
  .tl-card{padding:18px}
}

/* ---------- figure band ---------- */
.band-figure{position:relative;margin:0;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.band-figure img{width:100%;height:clamp(190px,26vw,300px);object-fit:cover;background:var(--bg-700)}
.band-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,10,31,.15) 30%,rgba(16,10,31,.88));
}
.band-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:22px;color:var(--text);font-size:13.5px;
}
.band-figure figcaption strong{display:block;font-size:17px;font-weight:700;margin-bottom:4px}

/* ---------- reward list ---------- */
.reward-list{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--bg-800)}
.reward-row{
  display:grid;grid-template-columns:1.05fr 1.7fr auto;gap:18px;align-items:center;
  padding:18px 22px;border-bottom:1px solid var(--line);transition:background .2s ease;
}
.reward-row:last-child{border-bottom:0}
.reward-row:hover{background:rgba(124,58,237,.09)}
.reward-name{font-size:16.5px;font-weight:700}
.reward-desc{color:var(--text-2);font-size:14.5px}
@media(max-width:768px){
  .reward-row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
}

/* ---------- progress ---------- */
.progress-list{display:grid;gap:18px;max-width:860px}
.progress-item{background:var(--bg-800);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px}
.progress-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px;font-size:15px;font-weight:600}
.progress-track{height:8px;border-radius:999px;background:var(--bg-700);overflow:hidden}
.progress-fill{height:100%;border-radius:999px;background:var(--grad)}
.progress-note{margin:10px 0 0;font-size:13.5px;color:var(--text-3)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media(max-width:900px){.faq-grid{grid-template-columns:1fr}}
.faq{background:var(--bg-800);border:1px solid var(--line);border-radius:18px;padding:4px 20px;transition:border-color .22s ease,box-shadow .22s ease}
.faq:hover{border-color:rgba(124,58,237,.45);box-shadow:var(--sh-1)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:16px 0;font-size:16px;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none}
.faq .ic{flex:none;width:22px;height:22px;border-radius:50%;border:1px solid rgba(140,110,240,.55);position:relative;transition:transform .25s ease,background .25s ease}
.faq .ic::before,.faq .ic::after{content:"";position:absolute;left:50%;top:50%;background:#CBB6FF;border-radius:2px;transform:translate(-50%,-50%)}
.faq .ic::before{width:10px;height:2px}
.faq .ic::after{width:2px;height:10px;transition:opacity .2s ease}
.faq[open] .ic{transform:rotate(180deg);background:rgba(124,58,237,.22)}
.faq[open] .ic::after{opacity:0}
.faq-body{margin:0 0 18px;padding-left:14px;border-left:3px solid rgba(124,58,237,.75);color:var(--text-2);font-size:15px}

/* ---------- cta ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  background:linear-gradient(120deg,rgba(124,58,237,.30),rgba(229,49,140,.22)),var(--bg-800);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(22px,3vw,30px);line-height:1.3;font-weight:700;margin:0 0 10px}
.cta-band p{margin:0;color:var(--text-2);max-width:56ch;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(max-width:640px){.cta-band{padding:26px}}

/* ---------- footer ---------- */
.site-footer{position:relative;z-index:1;margin-top:24px;background:rgba(23,16,49,.72);padding-bottom:28px}
.footer-line{height:1px;background:linear-gradient(90deg,transparent,rgba(124,58,237,.85),rgba(229,49,140,.75),transparent)}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-top:52px;padding-bottom:34px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{margin:0;color:var(--text-3);font-size:14px;max-width:34ch}
.footer-col h4{margin:0 0 14px;font-size:14px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--text-2);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:20px;border-top:1px solid var(--line);color:var(--text-3);font-size:13px}
@media(max-width:1024px){.footer-inner{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-inner{grid-template-columns:1fr;gap:26px;padding-top:40px}}

/* ---------- responsive nav ---------- */
@media(max-width:1024px){
  .menu-toggle{display:flex;margin-left:auto}
  .nav-links{
    display:none;order:6;width:100%;flex-direction:column;align-items:stretch;
    gap:6px;padding:12px 0 6px;margin:6px 0 0;border-top:1px solid var(--line);
  }
  .header-inner.open .nav-links{display:flex}
  .header-inner .nav-cta{display:none}
  .header-inner.open .nav-cta{display:inline-flex;order:7;width:100%}
}
@media(max-width:768px){
  .search-box{order:5;flex-basis:100%;max-width:none;margin-top:4px}
  .nav-links{order:6}
  .header-inner{gap:12px}
  .brand-text{font-size:15.5px}
}
@media(max-width:400px){
  .brand-text{font-size:14px;white-space:normal;line-height:1.35}
}