/* roulang page: index */
:root{
  --brand:#6A3CF0;
  --brand-dark:#4B21C8;
  --brand-light:#9B7BFF;
  --nebula:#14D3C8;
  --meteor:#FF7A2F;
  --deep:#1B1140;
  --ink:#14122B;
  --mist:#FBFAFF;
  --soft:#F3F1FC;
  --muted:#5C5975;
  --line:#E8E5F6;
  --grad:linear-gradient(135deg,#6A3CF0,#14D3C8);
  --grad-deep:linear-gradient(135deg,#1B1140,#3A1E8F);
  --grad-cta:linear-gradient(135deg,#FF7A2F,#6A3CF0);
  --shadow-1:0 8px 24px rgba(20,18,43,.07);
  --shadow-2:0 18px 40px rgba(20,18,43,.14);
  --r-card:24px;
  --r-hero:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(106,60,240,.18);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--soft);}
::-webkit-scrollbar-thumb{background:#CFC7EE;border-radius:999px;border:2px solid var(--soft);}
::-webkit-scrollbar-thumb:hover{background:var(--brand-light);}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-title{position:relative;font-size:30px;font-weight:700;padding-left:16px;letter-spacing:-.2px;}
.sec-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad);}
.sec-sub{font-size:14px;color:var(--muted);margin-top:8px;padding-left:16px;}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);transition:transform .22s ease-out;}
.more-link i{transition:transform .22s ease-out;}
.more-link:hover{transform:translateX(2px);}
.more-link:hover i{transform:translateX(3px);}

/* ---------- header ---------- */
.site-header{position:sticky;top:16px;z-index:60;margin-top:16px;padding:0 16px;}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:background .25s ease-out,box-shadow .25s ease-out;
}
.site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:var(--shadow-2);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:13px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(106,60,240,.28);
}
.brand-text{display:flex;align-items:center;gap:8px;}
.brand-main{font-size:18px;font-weight:800;color:var(--brand);letter-spacing:.2px;}
.brand-pill{
  font-size:12px;font-weight:500;color:var(--brand-dark);
  background:var(--soft);border-radius:999px;padding:3px 10px;line-height:1.5;
  border:1px solid #E4DDFB;
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;border-radius:999px;font-size:15px;color:var(--ink);
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{background:var(--soft);color:var(--brand);font-weight:600;}
.nav-link.active::after{transform:scaleX(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;background:var(--soft);
  color:var(--brand);font-size:17px;align-items:center;justify-content:center;
}
.mobile-panel{
  display:none;max-width:1200px;margin:12px auto 0;padding:16px;
  background:rgba(255,255,255,.97);border:1px solid var(--line);
  border-radius:24px;box-shadow:var(--shadow-2);
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:13px 16px;border-radius:16px;font-size:15px;color:var(--ink);
}
.mobile-panel a:hover,.mobile-panel a.active{background:var(--soft);color:var(--brand);font-weight:600;}
.mobile-panel .btn{display:flex;justify-content:center;margin-top:8px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out,color .22s ease-out,border-color .22s ease-out;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(106,60,240,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(106,60,240,.36);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(106,60,240,.26);}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,60,240,.26);}
.btn-brand:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(106,60,240,.34);}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;box-shadow:none;transform:none;cursor:not-allowed;}
.icon-btn{
  width:44px;height:44px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink);transition:.22s ease-out;
}
.icon-btn:hover{color:#fff;border-color:transparent;background:var(--brand);}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:4px;
  font-size:13px;line-height:1;padding:6px 11px;border-radius:999px;
  background:var(--soft);color:var(--brand);font-weight:500;
}
.tag-nebula{background:rgba(20,211,200,.12);color:#0E9E95;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--grad-deep);
  border-radius:0 0 40px 40px;
  margin-top:-80px;
  padding:150px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.20) 1px,transparent 1px);
  background-size:28px 28px;opacity:.35;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,211,200,.28),transparent 68%);pointer-events:none;
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--nebula);box-shadow:0 0 0 4px rgba(20,211,200,.22);}
.hero h1{font-size:46px;font-weight:800;line-height:1.24;margin:22px 0 18px;letter-spacing:-.5px;}
.hero h1 .hl{background:linear-gradient(120deg,#14D3C8,#9B7BFF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat{
  position:relative;padding:12px 20px;border-radius:16px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.2);
}
.stat::before{
  content:"";position:absolute;inset:-1px;border-radius:17px;padding:1px;pointer-events:none;
  background:linear-gradient(135deg,rgba(106,60,240,.95),rgba(20,211,200,.95));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.8;
}
.stat b{display:block;font-size:21px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.3px;}
.stat span{font-size:13px;color:rgba(255,255,255,.72);}

.hero-card{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  box-shadow:0 30px 60px rgba(9,6,30,.42);
  animation:floaty 8s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
@media (prefers-reduced-motion:reduce){.hero-card{animation:none;}}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-card-tag{
  position:absolute;left:20px;top:20px;z-index:3;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.94);color:var(--brand-dark);
}
.hero-card-badge{
  position:absolute;right:20px;bottom:96px;z-index:3;
  padding:8px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(20,18,43,.72);border:1px solid rgba(255,255,255,.3);color:#fff;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero-card-foot{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;
  background:linear-gradient(180deg,rgba(20,18,43,0),rgba(20,18,43,.9));
}
.hero-card-foot .name{font-size:15px;font-weight:600;}
.hero-card-foot .meta{font-size:12.5px;color:rgba(255,255,255,.7);}

/* ---------- product cards ---------- */
.card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:var(--r-card) var(--r-card) 0 0;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .26s ease-out;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:#DCD5F6;}
.card:hover::after{transform:scaleX(1);}
.card-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px 20px 0 0;}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.card-title{font-size:17px;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(--muted);line-height:1.7;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:18px;}
.card-price{font-size:15px;font-weight:700;color:var(--brand-dark);}
.card-price small{font-size:12px;font-weight:500;color:var(--muted);margin-left:4px;}
.add-btn{
  width:40px;height:40px;border-radius:999px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--brand);border:1px solid #E4DDFB;
  transition:.24s ease-out;
}
.card:hover .add-btn{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(106,60,240,.3);}
.card-wide{flex-direction:row;align-items:stretch;}
.card-wide .card-img{width:42%;aspect-ratio:auto;min-height:200px;height:100%;border-radius:20px 0 0 20px;}
.card-wide .card-body{padding:24px;}

/* ---------- reviews ---------- */
.reviews{background:var(--soft);}
.rev-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;
}
.rev-track::-webkit-scrollbar{display:none;}
.rev-card{
  flex:0 0 340px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.rev-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.avatar{
  width:48px;height:48px;border-radius:999px;flex:0 0 auto;
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:16px;background:var(--grad);
}
.rev-name{font-size:15px;font-weight:600;}
.rev-role{font-size:12.5px;color:var(--muted);}
.stars{display:flex;gap:3px;color:#FFB020;font-size:13px;margin-bottom:10px;}
.rev-text{font-size:14.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.rev-meta{margin-top:14px;font-size:12.5px;color:#8C89A3;display:flex;gap:8px;align-items:center;}
.rev-nav{display:flex;gap:10px;}
.rev-dots{display:flex;justify-content:center;gap:8px;margin-top:6px;}
.rev-dot{width:8px;height:8px;border-radius:999px;background:#D8D2EF;transition:.22s ease-out;}
.rev-dot.active{width:24px;background:var(--brand);}

/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;}
.assure-item{padding:28px 24px;display:flex;gap:14px;align-items:flex-start;position:relative;}
.assure-item + .assure-item::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--line);}
.assure-icon{
  width:48px;height:48px;border-radius:999px;flex:0 0 auto;
  display:grid;place-items:center;color:#fff;font-size:19px;background:var(--grad);
  box-shadow:0 8px 18px rgba(106,60,240,.24);
}
.assure-item h3{font-size:15px;font-weight:600;}
.assure-item p{font-size:13px;color:var(--muted);line-height:1.7;margin-top:4px;}

/* ---------- news ---------- */
.news-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;height:100%;
  transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.news-rail{
  flex:0 0 62px;border-radius:16px;background:var(--soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  color:var(--brand);padding:12px 6px;text-align:center;
}
.news-rail b{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;}
.news-rail span{font-size:11.5px;color:var(--muted);}
.news-main{flex:1;min-width:0;display:flex;flex-direction:column;}
.news-main h3{font-size:16.5px;font-weight:700;line-height:1.55;transition:color .2s ease-out;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-main h3{color:var(--brand);}
.news-main p{font-size:13.5px;color:var(--muted);line-height:1.7;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8C89A3;}
.empty-state{
  background:#fff;border:1px dashed #D9D2F2;border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:26px;color:#C6BDF0;display:block;margin-bottom:12px;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-hero);
  background:var(--grad-deep);color:#fff;
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;width:320px;height:320px;right:-90px;bottom:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,211,200,.30),transparent 70%);
}
.cta-band h2{font-size:28px;font-weight:700;}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.78);margin-top:10px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  transition:border-color .24s ease-out,box-shadow .24s ease-out;
}
.faq-item.open{
  border-color:transparent;box-shadow:var(--shadow-1);
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:1px solid transparent;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;text-align:left;
}
.faq-icon{
  width:28px;height:28px;border-radius:999px;flex:0 0 auto;
  display:grid;place-items:center;background:var(--soft);color:var(--brand);
  font-size:13px;transition:transform .24s ease-out,background .24s ease-out,color .24s ease-out;
}
.faq-item.open .faq-icon{background:var(--grad);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- footer ---------- */
.site-footer{background:#14122B;color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-pill{background:rgba(255,255,255,.1);color:#CFC7EE;border-color:rgba(255,255,255,.14);}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:16px;max-width:280px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.social{
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;
  transition:.22s ease-out;
}
.social:hover{background:var(--grad);border-color:transparent;transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.62);transition:color .2s ease-out;}
.footer-col a:hover{color:#fff;}
.footer-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.55);}
.footer-note b{color:rgba(255,255,255,.85);font-weight:600;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.45);
}

/* ---------- back to top ---------- */
#toTop{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:999px;
  display:grid;place-items:center;color:#fff;background:var(--grad);
  box-shadow:0 12px 26px rgba(106,60,240,.32);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s;
}
#toTop.show{opacity:1;visibility:visible;transform:translateY(0);}
#toTop:hover{transform:translateY(-3px);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-shell{padding:0 10px 0 16px;}
  .hero{padding-top:132px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:38px;}
  .hero-card{max-width:560px;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .assure-item + .assure-item::before{display:none;}
  .assure-item:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rev-nav{display:none;}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left;}
}
@media (max-width:767px){
  .section{padding:64px 0;}
  .sec-title{font-size:24px;}
  .hero{padding:120px 0 56px;border-radius:0 0 28px 28px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;}
  .stat{flex:0 0 auto;}
  .card-wide{flex-direction:column;}
  .card-wide .card-img{width:100%;aspect-ratio:16/10;min-height:0;border-radius:20px 20px 0 0;}
  .cta-band{padding:40px 24px;border-radius:24px;}
  .cta-band h2{font-size:23px;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a p{padding:0 18px 20px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .site-header{padding:0 10px;top:10px;margin-top:10px;}
  .brand-main{font-size:16.5px;}
  .brand-pill{font-size:11px;padding:2px 8px;}
  .news-card{flex-direction:column;}
  .news-rail{flex-direction:row;gap:8px;width:100%;flex:0 0 auto;padding:8px 12px;justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn{padding:0 18px;font-size:14.5px;}
}

/* roulang page: article */
:root{
    --brand:#6A3CF0;
    --brand-deep:#4B21C8;
    --brand-light:#9B7BFF;
    --cyan:#14D3C8;
    --ember:#FF7A2F;
    --ink:#14122B;
    --night:#1B1140;
    --night2:#3A1E8F;
    --mist:#FBFAFF;
    --soft:#F3F1FC;
    --muted:#5C5975;
    --line:#E8E5F6;
    --radius-card:24px;
    --radius-hero:32px;
    --radius-img:20px;
    --shadow-1:0 8px 24px rgba(20,18,43,.07);
    --shadow-2:0 18px 40px rgba(20,18,43,.14);
    --grad:linear-gradient(135deg,#6A3CF0,#14D3C8);
    --grad-dark:linear-gradient(135deg,#1B1140,#3A1E8F);
    --t:220ms ease-out;
  }

  *,*::before,*::after{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,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--mist);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none}
  a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
  button{font:inherit;cursor:pointer}
  input{font:inherit}
  ul,ol{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4,p{margin:0}
  ::selection{background:rgba(106,60,240,.18)}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
  .page-glow{
    position:fixed;inset:0;pointer-events:none;z-index:-1;
    background:
      radial-gradient(620px 320px at 10% -8%, rgba(106,60,240,.10), transparent 70%),
      radial-gradient(520px 300px at 94% 2%, rgba(20,211,200,.10), transparent 70%);
  }
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){ .wrap{padding:0 24px} }

  /* ============ 悬浮胶囊导航 ============ */
  .site-header{position:sticky;top:16px;z-index:80;padding:0 16px}
  .nav-shell{
    max-width:1200px;margin:0 auto;height:64px;
    display:flex;align-items:center;gap:18px;
    padding:0 18px;
    border-radius:999px;
    background:rgba(255,255,255,.72);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    transition:background var(--t),box-shadow var(--t),border-color var(--t);
  }
  .site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:0 14px 34px rgba(20,18,43,.13)}
  .brand{display:flex;align-items:center;gap:10px;flex:none}
  .brand-mark{
    width:36px;height:36px;border-radius:12px;background:var(--grad);
    color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
    box-shadow:0 6px 16px rgba(106,60,240,.35);
  }
  .brand-text{display:flex;align-items:center;gap:6px}
  .brand-main{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px}
  .brand-pill{
    font-size:12px;font-weight:500;color:var(--brand);
    background:var(--soft);border:1px solid var(--line);
    border-radius:999px;padding:2px 8px;line-height:1.5;white-space:nowrap;
  }
  .nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
  .nav-link{
    position:relative;font-size:14.5px;font-weight:500;color:#3b3852;
    padding:8px 13px;border-radius:999px;white-space:nowrap;
    transition:color var(--t),background var(--t);
  }
  .nav-link::after{
    content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;
    background:var(--grad);transform:scaleX(0);transform-origin:left;
    transition:transform var(--t);
  }
  .nav-link:hover{color:var(--brand);background:var(--soft)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{color:var(--brand);font-weight:700;background:var(--soft)}
  .nav-actions{display:flex;align-items:center;gap:8px;flex:none}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:999px;
    font-size:15px;font-weight:600;border:1px solid transparent;
    white-space:nowrap;cursor:pointer;
    transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),opacity var(--t);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,60,240,.28)}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(106,60,240,.36)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(106,60,240,.22)}
  .btn-ember{background:linear-gradient(135deg,#FF7A2F,#6A3CF0);color:#fff;box-shadow:0 10px 24px rgba(255,122,47,.28)}
  .btn-ember:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(255,122,47,.34)}
  .btn-ember:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,122,47,.22)}
  .btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
  .btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
  .nav-cta{height:42px;padding:0 20px;font-size:14.5px}

  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:999px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    align-items:center;justify-content:center;font-size:16px;
  }
  .nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
  .mobile-panel{
    max-width:1200px;margin:10px auto 0;padding:14px;
    background:#fff;border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--shadow-2);display:none;
  }
  .mobile-panel.open{display:block}
  .mobile-panel a{display:block;padding:12px 14px;border-radius:14px;font-size:15px;font-weight:500;color:#3b3852}
  .mobile-panel a:hover{background:var(--soft);color:var(--brand)}
  .mobile-panel a.active{background:var(--soft);color:var(--brand);font-weight:700}
  .mobile-panel .btn{width:100%;margin-top:8px}

  @media (max-width:1023px){
    .nav-menu{display:none}
    .nav-actions .nav-cta{display:none}
    .nav-toggle{display:inline-flex}
    .nav-shell{height:58px;gap:10px}
  }

  /* ============ 面包屑与文章头部 ============ */
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    padding-top:34px;font-size:13.5px;color:var(--muted);
  }
  .crumbs a{color:var(--muted)}
  .crumbs a:hover{color:var(--brand)}
  .crumbs .sep{opacity:.45}
  .crumbs .current{color:#8f8ca6;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  .article-hero{padding:20px 0 0}
  .chip-cat{
    display:inline-flex;align-items:center;gap:7px;
    font-size:13px;font-weight:600;color:var(--brand);
    background:var(--soft);border:1px solid var(--line);
    border-radius:999px;padding:5px 14px;
  }
  .chip-cat i{font-size:11px}
  h1.article-title{
    font-size:clamp(26px,3.4vw,36px);font-weight:800;line-height:1.35;
    letter-spacing:-.2px;max-width:900px;margin:16px 0 14px;
  }
  .meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
  .meta-bar .dot{width:4px;height:4px;border-radius:50%;background:#c9c5dd;flex:none}
  .meta-bar .num{font-variant-numeric:tabular-nums;font-weight:600;color:#3b3852}

  /* ============ 阅读布局 ============ */
  .article-layout{
    display:grid;grid-template-columns:minmax(0,1fr);
    gap:40px;align-items:start;padding:38px 0 76px;
  }
  @media (min-width:1280px){
    .article-layout{grid-template-columns:240px minmax(0,760px);justify-content:center;gap:56px}
    .article-layout.no-toc{grid-template-columns:minmax(0,760px)}
  }
  .article-main{min-width:0}

  .toc{display:none}
  @media (min-width:1280px){
    .toc{
      display:block;position:sticky;top:104px;
      background:#fff;border:1px solid var(--line);border-radius:20px;
      padding:20px 14px;box-shadow:var(--shadow-1);
    }
  }
  .toc h3{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--muted);margin:0 0 10px;padding-left:10px}
  .toc a{
    display:block;font-size:14px;line-height:1.5;color:var(--muted);
    padding:8px 10px;border-radius:10px;border-left:2px solid transparent;
  }
  .toc a:hover{color:var(--brand);background:var(--soft)}
  .toc a.active{color:var(--brand);font-weight:700;background:var(--soft);border-left-color:var(--brand)}

  /* ============ 正文排版 ============ */
  .article-body{max-width:760px;font-size:16.5px;line-height:1.9;color:#22203a}
  .article-body > *:first-child{margin-top:0}
  .article-body p{margin:0 0 1.2em}
  .article-body h2{
    position:relative;font-size:24px;font-weight:700;line-height:1.4;
    margin:40px 0 14px;padding-left:15px;scroll-margin-top:104px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
    border-radius:4px;background:var(--grad);
  }
  .article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:30px 0 12px;scroll-margin-top:104px}
  .article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
  .article-body a{
    color:var(--brand);text-decoration:underline;
    text-decoration-color:rgba(106,60,240,.35);text-underline-offset:3px;
  }
  .article-body a:hover{text-decoration-color:var(--brand)}
  .article-body strong{font-weight:700}
  .article-body blockquote{
    margin:24px 0;padding:16px 20px;background:var(--soft);
    border-left:4px solid var(--brand);border-radius:0 16px 16px 0;color:#3b3852;
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
  .article-body ul li{position:relative;list-style:none;margin:.45em 0}
  .article-body ul li::before{
    content:"";position:absolute;left:-1.15em;top:.78em;
    width:6px;height:6px;border-radius:50%;background:var(--brand-light);
  }
  .article-body ol li{list-style:decimal;margin:.45em 0}
  .article-body img{border-radius:var(--radius-img);margin:24px auto;height:auto}
  .article-body figure{margin:24px 0}
  .article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
  .article-body table{
    width:100%;border-collapse:separate;border-spacing:0;
    border:1px solid var(--line);border-radius:16px;overflow:hidden;
    font-size:15px;margin:24px 0;
  }
  .article-body th{background:var(--soft);font-weight:700;text-align:left;color:var(--ink)}
  .article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
  .article-body tr:last-child td{border-bottom:none}
  .article-body code{
    background:var(--soft);border-radius:6px;padding:2px 6px;
    font-size:.92em;color:var(--brand-deep);
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }
  .article-body hr{border:none;height:1px;background:var(--line);margin:32px 0}

  /* ============ 标签云 / 分隔线 / 相关推荐 ============ */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0}
  .tag{
    font-size:13px;font-weight:500;color:var(--brand);
    background:var(--soft);border:1px solid var(--line);
    border-radius:999px;padding:7px 15px;
  }
  .tag:hover{border-color:var(--brand);background:#fff;transform:translateY(-1px)}
  .divider{height:1px;background:var(--line);margin:34px 0}

  .related-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
  .related-head h2{font-size:22px;font-weight:700}
  .related-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
  @media (min-width:900px){ .related-grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
  .rel-card{
    display:flex;gap:14px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:14px;box-shadow:var(--shadow-1);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d9d3f7}
  .rel-card img{width:84px;height:84px;object-fit:cover;border-radius:14px;flex:none;background:var(--soft)}
  .rel-card h3{font-size:15.5px;font-weight:600;line-height:1.5;margin-bottom:8px}
  .rel-card:hover h3{color:var(--brand)}
  .rel-card .rel-meta{font-size:12.5px;color:var(--muted)}

  .empty-box{
    max-width:760px;background:#fff;border:1px dashed var(--line);
    border-radius:24px;padding:64px 24px;text-align:center;color:var(--muted);
  }
  .empty-box i{font-size:30px;color:var(--brand-light);display:block;margin-bottom:14px}
  .empty-box a{color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:3px}

  /* ============ 底部 CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;background:var(--grad-dark);
    border-radius:var(--radius-hero);padding:46px 34px;color:#fff;
    display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
    margin-bottom:76px;
  }
  .cta-band::after{
    content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;
    border-radius:50%;background:rgba(255,255,255,.08);
  }
  .cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin-bottom:8px}
  .cta-band p{font-size:14.5px;color:rgba(255,255,255,.78);margin:0}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

  /* ============ 页脚 ============ */
  .site-footer{background:#14122B;color:#c9c6dd;padding:64px 0 0}
  .footer-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:40px}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px} }
  .site-footer .brand-main{color:#fff}
  .site-footer .brand-pill{color:#cbb9ff;background:rgba(155,123,255,.16);border-color:rgba(155,123,255,.3)}
  .footer-desc{font-size:14px;color:#a9a5c4;line-height:1.75;margin:16px 0 18px;max-width:300px}
  .socials{display:flex;gap:10px}
  .social{
    width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
    color:#d8d5ee;font-size:15px;
  }
  .social:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
  .footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
  .footer-col ul li{margin-bottom:10px}
  .footer-col ul a{font-size:14px;color:#a9a5c4}
  .footer-col ul a:hover{color:#fff}
  .footer-note{font-size:13.5px;color:#a9a5c4;line-height:2}
  .footer-note b{color:#d8d5ee;font-weight:600}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
    display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
    font-size:13px;color:#8b87a8;
  }

  .to-top{
    position:fixed;right:20px;bottom:24px;width:48px;height:48px;border-radius:50%;
    background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-2);
    color:var(--brand);display:grid;place-items:center;font-size:15px;
    opacity:0;pointer-events:none;z-index:70;
    transition:opacity var(--t),transform var(--t);
  }
  .to-top.show{opacity:1;pointer-events:auto}
  .to-top:hover{transform:translateY(-3px)}

  @media (max-width:767px){
    .article-layout{padding:28px 0 56px;gap:28px}
    .article-body{font-size:16px;padding:0 2px}
    .cta-band{padding:34px 22px;border-radius:24px;margin-bottom:56px}
    .crumbs .current{max-width:220px}
  }
  @media (max-width:520px){
    .nav-shell{padding:0 12px;gap:8px}
    .brand-main{font-size:16.5px}
    .brand-pill{font-size:11px}
    .btn{padding:0 18px}
  }

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
    html{scroll-behavior:auto}
  }

/* roulang page: category1 */
:root{
    --brand:#6A3CF0;
    --brand-dark:#4B21C8;
    --brand-light:#9B7BFF;
    --cyan:#14D3C8;
    --orange:#FF7A2F;
    --ink:#14122B;
    --ink-900:#1B1140;
    --muted:#5C5975;
    --bg:#FBFAFF;
    --bg-2:#F3F1FC;
    --border:#E8E5F6;
    --white:#ffffff;
    --grad:linear-gradient(135deg,#6A3CF0,#14D3C8);
    --grad-dark:linear-gradient(135deg,#1B1140,#3A1E8F);
    --grad-orange:linear-gradient(135deg,#FF7A2F,#6A3CF0);
    --r-md:20px;
    --r-lg:24px;
    --r-xl:32px;
    --r-pill:999px;
    --sh-1:0 8px 24px rgba(20,18,43,.07);
    --sh-2:0 18px 40px rgba(20,18,43,.14);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  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(--brand);outline-offset:2px;border-radius:6px}
  .wrap{max-width:1200px;margin:0 auto;padding:0 24px}
  .tabular{font-variant-numeric:tabular-nums;letter-spacing:-.01em}

  /* 顶部悬浮胶囊导航 */
  .site-header{position:sticky;top:16px;z-index:80;padding:0 16px;margin-bottom:8px}
  .nav-shell{
    max-width:1200px;margin:0 auto;height:64px;display:flex;align-items:center;gap:20px;
    padding:0 12px 0 18px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.72);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border:1px solid var(--border);
    box-shadow:var(--sh-1);
    transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .site-header.is-scrolled .nav-shell{background:rgba(255,255,255,.94);box-shadow:var(--sh-2)}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:38px;height:38px;border-radius:13px;background:var(--grad);color:#fff;
    display:grid;place-items:center;font-size:17px;font-weight:800;
    box-shadow:0 6px 16px rgba(106,60,240,.28);
  }
  .brand-text{display:flex;align-items:center;gap:6px}
  .brand-main{font-size:18px;font-weight:800;color:var(--brand-dark);letter-spacing:.01em}
  .brand-pill{
    font-size:12px;font-weight:500;color:var(--brand);background:#EFEBFF;
    border-radius:var(--r-pill);padding:3px 9px;line-height:1.4;
  }
  .nav-menu{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
  .nav-link{
    position:relative;font-size:15px;color:var(--muted);padding:8px 12px;border-radius:var(--r-pill);
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
    background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
  }
  .nav-link:hover{color:var(--brand)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{background:#EFEBFF;color:var(--brand);font-weight:600}
  .nav-link.active::after{display:none}
  .nav-cta{
    flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
    padding:11px 22px;border-radius:var(--r-pill);
    background:var(--grad);color:#fff;font-size:14px;font-weight:600;
    box-shadow:0 8px 20px rgba(106,60,240,.28);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(106,60,240,.36)}
  .nav-cta:active{transform:translateY(0);box-shadow:0 6px 16px rgba(106,60,240,.24)}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:var(--r-pill);
    border:1px solid var(--border);background:#fff;color:var(--brand);
    place-items:center;font-size:17px;cursor:pointer;
  }
  .nav-mobile-cta{display:none}

  /* 页面头部 */
  .page-top{padding:28px 0 0}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
  .breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb .sep{color:#C9C4E0}
  .breadcrumb .current{color:#9A97AE}

  .page-hero{
    position:relative;margin-top:18px;border-radius:var(--r-xl);overflow:hidden;
    aspect-ratio:21/9;min-height:230px;box-shadow:var(--sh-1);
    background:var(--ink-900);
  }
  .page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .page-hero .veil{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(20,18,43,.28) 0%,rgba(20,18,43,.62) 55%,rgba(20,18,43,.88) 100%);
  }
  .page-hero .hero-inner{
    position:absolute;left:0;right:0;bottom:0;padding:36px 40px;
    display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  }
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:#fff;
    background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
    border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }
  .page-hero h1{
    font-size:clamp(26px,3.4vw,40px);font-weight:800;color:#fff;letter-spacing:.01em;
  }
  .page-hero .hero-sub{margin-top:10px;font-size:15px;color:rgba(255,255,255,.86);max-width:560px}
  .hero-meta{
    display:flex;gap:10px;flex-wrap:wrap;
  }
  .hero-chip{
    font-size:12.5px;color:#fff;background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);padding:6px 13px;
    -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }

  /* 子导航胶囊条 */
  .subnav-bar{padding:26px 0 0}
  .subnav{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:none}
  .subnav::-webkit-scrollbar{display:none}
  .subnav a{
    flex:0 0 auto;padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--border);
    background:#fff;font-size:14px;color:var(--muted);
    transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
  }
  .subnav a:hover{color:var(--brand);border-color:var(--brand-light);transform:translateY(-1px)}
  .subnav a.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

  /* 主体布局 */
  .cat-main{padding:26px 0 88px}
  .cat-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start}

  .filter-card{
    position:sticky;top:96px;background:#fff;border:1px solid var(--border);
    border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);
  }
  .filter-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}
  .filter-head h2{font-size:15px;font-weight:700}
  .filter-head .reset{font-size:12.5px;color:var(--brand);background:none;border:0;cursor:pointer;padding:4px 0}
  .filter-head .reset:hover{text-decoration:underline}
  .filter-group{padding-top:18px;margin-top:18px;border-top:1px solid var(--border)}
  .filter-group:first-of-type{border-top:0;margin-top:6px}
  .filter-title{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:12px;letter-spacing:.02em}
  .opts{display:flex;flex-wrap:wrap;gap:8px}
  .opt{
    padding:7px 14px;border-radius:var(--r-pill);border:1px solid var(--border);background:#fff;
    font-size:13px;color:var(--muted);cursor:pointer;line-height:1.5;
    transition:all .2s var(--ease);
  }
  .opt:hover{border-color:var(--brand-light);color:var(--brand)}
  .opt.active{background:#EFEBFF;border-color:var(--brand-light);color:var(--brand);font-weight:600}
  .filter-tip{
    margin-top:20px;padding:14px;border-radius:16px;background:var(--bg-2);
    font-size:12.5px;color:var(--muted);line-height:1.75;
  }

  .grid-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
  .grid-head h2{font-size:24px;font-weight:700;position:relative;padding-left:14px}
  .grid-head h2::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
  }
  .grid-head .count{font-size:13.5px;color:var(--muted)}
  .grid-head .count b{color:var(--brand);font-weight:700}

  .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .entry-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
    border-radius:var(--r-lg);overflow:hidden;position:relative;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .entry-card::before{
    content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad);
    opacity:0;transition:opacity .25s var(--ease);
  }
  .entry-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:#DCD5F7}
  .entry-card:hover::before{opacity:1}
  .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
  .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
  .entry-card:hover .thumb img{transform:scale(1.05)}
  .thumb .badge-line{
    position:absolute;left:12px;top:12px;display:flex;gap:8px;flex-wrap:wrap;
  }
  .badge{
    font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:4px 11px;line-height:1.5;
  }
  .badge-rec{background:var(--grad-orange);color:#fff;box-shadow:0 6px 14px rgba(255,122,47,.3)}
  .badge-alt{background:rgba(255,255,255,.9);color:var(--brand-dark)}
  .card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .card-body h3{font-size:17px;font-weight:700;line-height:1.45}
  .entry-card:hover .card-body h3{color:var(--brand)}
  .card-body h3 a{transition:color .2s var(--ease)}
  .card-desc{font-size:14px;color:var(--muted);line-height:1.75}
  .line-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .tag-row{display:flex;flex-wrap:wrap;gap:6px}
  .tag{font-size:12.5px;color:var(--brand);background:#F1EDFF;border-radius:var(--r-pill);padding:3px 10px;line-height:1.6}
  .card-foot{
    margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);
    display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);
  }
  .card-foot .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:5px}
  .card-foot .go i{transition:transform .2s var(--ease)}
  .entry-card:hover .card-foot .go i{transform:translateX(3px)}

  /* 最近更新 */
  .latest{padding:0 0 88px}
  .latest-box{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
    padding:34px 34px 26px;box-shadow:var(--sh-1);
  }
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
  .sec-head h2{font-size:26px;font-weight:700;position:relative;padding-left:14px}
  .sec-head h2::before{
    content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;background:var(--grad);
  }
  .sec-head p{font-size:14px;color:var(--muted);margin-top:8px;padding-left:14px}
  .update-list{display:grid;gap:14px}
  .update-item{
    display:grid;grid-template-columns:96px minmax(0,1fr);gap:18px;align-items:center;
    padding:14px 16px;border-radius:16px;border:1px solid transparent;
    transition:background .2s var(--ease),border-color .2s var(--ease);
  }
  .update-item:hover{background:var(--bg-2);border-color:var(--border)}
  .update-date{
    font-size:13px;font-weight:700;color:var(--brand);border-left:3px solid var(--brand-light);
    padding-left:10px;line-height:1.5;
  }
  .update-item h3{font-size:15.5px;font-weight:600;margin-bottom:4px}
  .update-item span{font-size:13px;color:var(--muted)}

  /* FAQ */
  .faq{padding:0 0 88px}
  .faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px}
  .faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease)}
  .faq-item.open{box-shadow:var(--sh-1);border-color:#DCD5F7}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  }
  .faq-q:hover{color:var(--brand)}
  .faq-icon{
    flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
    background:#F1EDFF;color:var(--brand);font-size:13px;
    transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
  }
  .faq-item.open .faq-icon{background:var(--grad);color:#fff;transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
  .faq-a p{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.8}

  /* CTA */
  .cta-band{padding:0 0 96px}
  .cta-inner{
    position:relative;overflow:hidden;border-radius:var(--r-xl);
    background:var(--grad-dark);color:#fff;padding:52px 48px;
    display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
    box-shadow:0 22px 50px rgba(27,17,64,.28);
  }
  .cta-inner::after{
    content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(20,211,200,.35),rgba(20,211,200,0) 68%);
  }
  .cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
  .cta-inner p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.78)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);font-size:15px;font-weight:600;padding:14px 30px;
    border:1px solid transparent;cursor:pointer;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-primary{background:var(--grad-orange);color:#fff;box-shadow:0 12px 26px rgba(255,122,47,.32)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,122,47,.42)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,122,47,.28)}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
  .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}

  /* 页脚 */
  .site-footer{background:var(--ink-900);color:#CFCAE6;padding:64px 0 0;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:44px}
  .footer-brand .brand{margin-bottom:16px}
  .footer-brand .brand-main{color:#fff}
  .footer-brand .brand-pill{background:rgba(155,123,255,.18);color:#C9B7FF}
  .footer-desc{font-size:13.5px;color:#9E98BC;line-height:1.8;max-width:280px}
  .socials{display:flex;gap:10px;margin-top:18px}
  .social{
    width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
    background:rgba(255,255,255,.07);color:#CFCAE6;font-size:14px;
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
  }
  .social:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
  .footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px}
  .footer-col ul{display:grid;gap:10px}
  .footer-col ul a{font-size:13.5px;color:#9E98BC;transition:color .2s var(--ease)}
  .footer-col ul a:hover{color:#fff}
  .footer-note{font-size:13px;color:#9E98BC;line-height:1.9}
  .footer-note b{color:#CFCAE6;font-weight:600}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.09);padding:20px 0 26px;
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    font-size:12.5px;color:#847EA3;
  }

  /* 返回顶部 */
  .to-top{
    position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
    border:1px solid var(--border);background:#fff;color:var(--brand);font-size:16px;
    display:grid;place-items:center;cursor:pointer;box-shadow:var(--sh-1);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background .2s var(--ease);
    z-index:70;
  }
  .to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
  .to-top:hover{background:var(--brand);color:#fff}

  @media (max-width:1279px){
    .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  }
  @media (max-width:1023px){
    .nav-menu{
      display:none;position:absolute;left:16px;right:16px;top:74px;
      flex-direction:column;align-items:stretch;gap:4px;
      background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
      padding:16px;box-shadow:var(--sh-2);
    }
    .nav-menu.open{display:flex}
    .nav-link{padding:12px 14px}
    .nav-link::after{display:none}
    .nav-toggle{display:grid}
    .nav-cta{display:none}
    .nav-mobile-cta{display:inline-flex;justify-content:center;margin-top:8px;padding:13px 20px;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:14.5px;font-weight:600}
    .nav-shell{justify-content:space-between}
    .nav-menu{order:3}
    .cat-layout{grid-template-columns:minmax(0,1fr);gap:26px}
    .filter-card{position:static}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    .page-hero .hero-inner{padding:28px 26px}
  }
  @media (max-width:767px){
    .wrap{padding:0 18px}
    .site-header{padding:0 12px;top:10px}
    .nav-shell{height:58px;padding:0 8px 0 14px}
    .brand-mark{width:34px;height:34px;border-radius:11px;font-size:15px}
    .brand-main{font-size:16px}
    .brand-pill{font-size:11px;padding:2px 7px}
    .page-hero{aspect-ratio:16/11;border-radius:24px}
    .page-hero .hero-inner{padding:22px 20px}
    .page-hero .hero-sub{font-size:14px}
    .latest-box{padding:26px 20px 20px;border-radius:24px}
    .update-item{grid-template-columns:1fr;gap:6px}
    .cta-inner{padding:34px 24px;border-radius:24px}
    .faq-q{padding:16px;font-size:15px}
    .faq-a p{padding:0 16px 18px}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
    .to-top{right:16px;bottom:18px}
  }
  @media (max-width:639px){
    .card-grid{grid-template-columns:minmax(0,1fr)}
    .subnav{padding-bottom:6px}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  }

/* roulang page: category2 */
:root{
  --primary:#6A3CF0;
  --primary-dark:#4B21C8;
  --primary-light:#9B7BFF;
  --nebula:#14D3C8;
  --meteor:#FF7A2F;
  --deep:#1B1140;
  --ink:#14122B;
  --mist:#FBFAFF;
  --soft:#F3F1FC;
  --muted:#5C5975;
  --line:#E8E5F6;
  --grad:linear-gradient(135deg,#6A3CF0,#14D3C8);
  --grad-deep:linear-gradient(135deg,#1B1140,#3A1E8F);
  --grad-orange:linear-gradient(135deg,#FF7A2F,#6A3CF0);
  --r-md:20px;
  --r-lg:24px;
  --r-xl:32px;
  --sh:0 8px 24px rgba(20,18,43,.07);
  --sh-hover:0 18px 40px rgba(20,18,43,.14);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(106,60,240,.18)}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:80px 0}
.sec-tight{padding:56px 0}
.sec-title{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
h2.sec-h{
  position:relative;
  font-size:30px;
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.2px;
  padding-left:16px;
}
h2.sec-h::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:5px;border-radius:999px;
  background:var(--grad);
}
.sec-sub{font-size:15px;color:var(--muted);margin-top:8px;padding-left:16px}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:70;padding:16px 16px 0}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 12px 0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.72);
  border:1px solid rgba(232,229,246,.9);
  box-shadow:0 8px 24px rgba(20,18,43,.07);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.94);
  box-shadow:0 14px 34px rgba(20,18,43,.14);
  border-color:rgba(232,229,246,1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:14px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;
  box-shadow:0 8px 18px rgba(106,60,240,.32);
}
.brand-text{display:flex;align-items:center;gap:8px;white-space:nowrap}
.brand-main{font-size:18px;font-weight:800;color:var(--primary);letter-spacing:.2px}
.brand-pill{
  font-size:12px;font-weight:500;color:var(--primary);
  background:var(--soft);border:1px solid var(--line);
  padding:2px 9px;border-radius:999px;
}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:40px;
  padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  border-radius:999px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);background:var(--soft);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--primary);
  font-size:17px;cursor:pointer;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);background:var(--soft)}
.mobile-mask{
  position:fixed;inset:0;background:rgba(20,18,43,.42);
  opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:65;
}
.mobile-mask.show{opacity:1;pointer-events:auto}
.mobile-panel{
  max-width:1200px;margin:10px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--sh-hover);padding:14px;
  display:none;flex-direction:column;gap:4px;
  position:relative;z-index:70;
}
.mobile-panel.show{display:flex}
.mobile-panel .nav-link{height:48px;justify-content:flex-start;font-size:16px}
.mobile-panel .btn{margin-top:8px;width:100%}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-gradient{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(106,60,240,.28)}
.btn-gradient:hover{box-shadow:0 16px 32px rgba(106,60,240,.36)}
.btn-orange{background:var(--grad-orange);color:#fff;box-shadow:0 10px 24px rgba(255,122,47,.28)}
.btn-orange:hover{box-shadow:0 16px 32px rgba(255,122,47,.34)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 10px 22px rgba(106,60,240,.12)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ===== 标签 ===== */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:var(--primary);
  background:var(--soft);border:1px solid var(--line);
  padding:4px 12px;border-radius:999px;
}
.pill-solid{background:var(--primary);color:#fff;border-color:transparent}
.pill-cyan{color:#0E9E96;background:rgba(20,211,200,.12);border-color:rgba(20,211,200,.3)}
.pill-orange{color:#C85412;background:rgba(255,122,47,.12);border-color:rgba(255,122,47,.28)}

/* ===== Hero ===== */
.hero-cat{padding-top:24px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--muted);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .now{color:#9A97AE}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:#1B1140;box-shadow:var(--sh);
}
.hero-media img{width:100%;aspect-ratio:21/9;object-fit:cover;opacity:.9}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,18,43,.88) 0%,rgba(27,17,64,.6) 46%,rgba(58,30,143,.28) 100%);
}
.hero-inner{
  position:absolute;inset:0;z-index:2;
  display:flex;flex-direction:column;justify-content:flex-end;
  gap:12px;padding:44px 48px;
}
.hero-tag{
  align-self:flex-start;
  font-size:13px;font-weight:600;color:#fff;letter-spacing:.5px;
  padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.35);
  backdrop-filter:blur(6px);
}
.hero-inner h1{
  color:#fff;font-size:42px;font-weight:800;line-height:1.25;letter-spacing:-.5px;
  text-shadow:0 4px 20px rgba(0,0,0,.28);
}
.hero-inner p{color:rgba(255,255,255,.88);font-size:16px;font-weight:500;max-width:640px}

/* ===== 数据徽章条 ===== */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  border-radius:var(--r-md);
  padding:22px 18px;text-align:center;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  border:1px solid transparent;
  box-shadow:var(--sh);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat-num{
  font-size:28px;font-weight:700;letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.25;
}
.stat-label{font-size:14px;font-weight:600;color:var(--ink);margin-top:6px}
.stat-note{font-size:13px;color:var(--muted);margin-top:2px}

/* ===== 交错大卡 ===== */
.stagger-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.scard{
  display:grid;grid-template-columns:1fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scard:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:rgba(155,123,255,.5)}
.scard-body{padding:26px 26px 28px}
.scard-media{
  position:relative;background:var(--soft);
}
.scard-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scard-media .tag-float{
  position:absolute;top:14px;left:14px;
  font-size:12px;font-weight:600;color:#fff;
  padding:4px 12px;border-radius:999px;
  background:rgba(20,18,43,.62);
  backdrop-filter:blur(6px);
}
.scard h3{font-size:21px;font-weight:600;line-height:1.45;letter-spacing:-.2px}
.scard p{font-size:15px;color:var(--muted);line-height:1.85;margin-top:10px}
.scard-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
}
.scard-meta{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.scard-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.scard-link{
  font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap var(--ease),color var(--ease);
}
.scard-link:hover{gap:11px;color:var(--primary-dark)}
@media (min-width:900px){
  .scard{grid-template-columns:1.05fr 1fr}
  .scard--rev .scard-media{order:2}
  .scard-media img{height:100%;aspect-ratio:auto;min-height:280px}
}

/* ===== 最新信息列表 ===== */
.latest-list{display:flex;flex-direction:column;gap:16px}
.latest-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 24px;box-shadow:var(--sh);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.latest-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(155,123,255,.5)}
.latest-date{
  text-align:center;border-right:1px solid var(--line);padding-right:20px;
}
.latest-date .d{font-size:22px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.latest-date .m{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.latest-title{font-size:17px;font-weight:600;transition:color var(--ease)}
.latest-item:hover .latest-title{color:var(--primary)}
.latest-desc{font-size:14px;color:var(--muted);margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.latest-item .go{
  width:44px;height:44px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--primary);background:#fff;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.latest-item:hover .go{background:var(--grad);color:#fff;border-color:transparent}

/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.step-num{
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  background:var(--grad);box-shadow:0 8px 18px rgba(106,60,240,.26);
}
.step h3{font-size:17px;font-weight:600;margin-top:16px}
.step p{font-size:14px;color:var(--muted);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.faq-item.active{
  border-color:transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--primary);font-size:15px;font-weight:700;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.faq-item.active .faq-icon{background:var(--grad);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-deep);border-radius:var(--r-xl);
  padding:52px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 24px 48px rgba(27,17,64,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(155,123,255,.4),rgba(155,123,255,0) 68%);
}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.4;letter-spacing:-.2px}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:560px}
.cta-band .btn{position:relative;z-index:2;flex:0 0 auto}

/* ===== 页脚 ===== */
.site-footer{background:#14122B;color:rgba(255,255,255,.76);margin-top:88px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.site-footer .brand-main{color:#fff}
.site-footer .brand-pill{background:rgba(155,123,255,.16);border-color:rgba(155,123,255,.35);color:#C9B8FF}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);margin-top:16px;max-width:280px}
.socials{display:flex;gap:10px;margin-top:20px}
.social{
  width:40px;height:40px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  color:#fff;font-size:15px;
  transition:background var(--ease),transform var(--ease),border-color var(--ease);
}
.social:hover{background:var(--grad);transform:translateY(-2px);border-color:transparent}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color var(--ease)}
.footer-col a:hover{color:#B7A4FF}
.footer-note{font-size:14px;line-height:2;color:rgba(255,255,255,.66)}
.footer-note b{color:rgba(255,255,255,.88);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ===== 返回顶部 ===== */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:80;
  width:48px;height:48px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--primary);
  box-shadow:var(--sh);cursor:pointer;
  opacity:0;pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),background var(--ease),color var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-2px)}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .hero-inner h1{font-size:36px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .sec{padding:64px 0}
  .sec-title{flex-direction:column;align-items:flex-start;gap:8px}
  h2.sec-h{font-size:26px}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .stagger-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .site-header{padding:10px 12px 0}
  .nav-shell{height:56px;padding:0 10px 0 12px}
  .brand-mark{width:34px;height:34px;border-radius:12px;font-size:15px}
  .brand-main{font-size:16px}
  .brand-pill{font-size:11px;padding:2px 7px}
  .wrap{padding:0 16px}
  .hero-cat{padding-top:16px}
  .hero-media img{aspect-ratio:4/3}
  .hero-inner{padding:24px 22px;gap:10px}
  .hero-inner h1{font-size:27px}
  .hero-inner p{font-size:14px}
  .sec{padding:48px 0}
  h2.sec-h{font-size:23px}
  .sec-sub{font-size:14px}
  .stagger-grid{gap:20px}
  .scard-body{padding:20px}
  .scard h3{font-size:18px}
  .latest-item{grid-template-columns:1fr;gap:12px;padding:18px 20px}
  .latest-date{display:flex;align-items:baseline;gap:8px;text-align:left;border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px}
  .latest-item .go{display:none}
  .steps{grid-template-columns:1fr}
  .cta-band{border-radius:24px;padding:32px 24px}
  .cta-band h2{font-size:22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:56px;padding:48px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .stats-bar{grid-template-columns:1fr}
  .hero-media img{aspect-ratio:16/11}
  .hero-inner h1{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}