/* roulang page: index */
:root{
  --bg-0:#0A0710;
  --bg-1:#120C1B;
  --bg-2:#1A1126;
  --brand-1:#E23E6B;
  --brand-2:#8B3DFF;
  --brand-3:#FF7A59;
  --gold:#F0C97A;
  --ok:#2FD3A3;
  --warn:#F2A93B;
  --text-1:#F6F1F8;
  --text-2:#B7A6C6;
  --text-3:#7A6B8A;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(226,62,107,.45);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-card:0 20px 50px -20px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:104px 0;}
.section-tight{padding:72px 0;}
.neon-line{height:1px;width:100%;background:linear-gradient(90deg,transparent,var(--brand-1) 30%,var(--brand-2) 70%,transparent);opacity:.85;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.4px;color:var(--gold);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--gold),transparent);}
.h2-block{font-size:clamp(24px,3vw,36px);line-height:1.25;}
.lead{color:var(--text-2);font-size:16px;line-height:1.9;}
.muted{color:var(--text-3);font-size:14px;}
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,7,16,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text-1);font-weight:700;font-size:17px;letter-spacing:.4px;white-space:nowrap;}
.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand-1),var(--brand-2));display:flex;align-items:center;justify-content:center;box-shadow:0 0 18px rgba(226,62,107,.42);flex:0 0 auto;}
.brand-mark span{width:12px;height:12px;border:2px solid rgba(255,255,255,.92);border-radius:3px;display:block;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{position:relative;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--text-2);transition:all .22s var(--ease);}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-link.active{color:#fff;text-shadow:0 0 14px rgba(226,62,107,.55);}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));box-shadow:0 0 12px rgba(226,62,107,.7);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-1);cursor:pointer;}
.nav-toggle:hover{border-color:var(--line-strong);color:#fff;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 26px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .22s var(--ease);white-space:nowrap;}
.btn-primary{background:linear-gradient(120deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 14px 34px -16px rgba(226,62,107,.85);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 18px 40px -16px rgba(139,61,255,.9);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95);}
.btn-ghost{background:transparent;color:var(--text-1);border:1px solid rgba(226,62,107,.55);box-shadow:0 0 0 1px rgba(139,61,255,.18) inset;}
.btn-ghost:hover{background:rgba(226,62,107,.10);box-shadow:0 0 22px rgba(226,62,107,.28);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);filter:brightness(.95);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px;}
.btn[disabled],.btn:disabled{opacity:.4;pointer-events:none;}
.mobile-drawer{display:none;}
.mobile-drawer.open{display:block;border-top:1px solid var(--line);background:rgba(10,7,16,.97);backdrop-filter:blur(14px);}
.mobile-drawer a{display:block;padding:15px 32px;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.05);font-size:15px;}
.mobile-drawer a.active{color:#fff;background:linear-gradient(90deg,rgba(226,62,107,.18),transparent);border-left:3px solid var(--brand-1);}
.hero{position:relative;overflow:hidden;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;min-height:620px;display:flex;align-items:center;}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 520px at 18% 28%,rgba(226,62,107,.34),transparent 62%),radial-gradient(700px 460px at 82% 18%,rgba(139,61,255,.30),transparent 66%);}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,7,16,.62) 0%,rgba(10,7,16,.78) 55%,var(--bg-0) 100%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding:96px 0 88px;}
.hero h1{font-size:clamp(32px,4.4vw,54px);line-height:1.16;letter-spacing:.4px;}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--brand-1),var(--brand-3) 45%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.9;color:var(--text-2);max-width:620px;}
.hero-cta{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;}
.badge-row{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px;}
.badge{display:inline-flex;align-items:center;gap:9px;padding:9px 16px;border-radius:999px;border:1px solid rgba(240,201,122,.42);background:rgba(240,201,122,.05);color:var(--gold);font-size:13px;}
.badge i{font-size:12px;opacity:.9;}
.badge b{color:#fff;font-size:15px;font-weight:700;}
.hero-visual{position:relative;}
.visual-card{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(226,62,107,.35);box-shadow:var(--shadow-card),0 0 40px -12px rgba(139,61,255,.5);}
.visual-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92;}
.visual-card .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,7,16,.18),rgba(10,7,16,.78));}
.float-badge{position:absolute;padding:10px 16px;border-radius:14px;background:rgba(10,7,16,.86);border:1px solid rgba(240,201,122,.4);color:var(--gold);font-size:13px;backdrop-filter:blur(8px);box-shadow:0 14px 30px -14px rgba(0,0,0,.9);}
.float-a{top:22px;left:-18px;}
.float-b{right:-14px;bottom:28px;}
.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.stat-card{background:linear-gradient(160deg,rgba(26,17,38,.92),rgba(18,12,27,.7));border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px 22px;position:relative;overflow:hidden;transition:all .24s var(--ease);}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 30px -12px rgba(226,62,107,.55);}
.stat-card::after{content:"";position:absolute;left:22px;right:22px;bottom:14px;height:1px;background:linear-gradient(90deg,rgba(226,62,107,.5),rgba(139,61,255,.35),transparent);}
.stat-name{font-size:14px;color:var(--text-2);}
.stat-value{margin-top:10px;font-size:clamp(30px,3.4vw,42px);font-weight:700;line-height:1.1;background:linear-gradient(100deg,#fff,var(--brand-1) 70%,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-unit{margin-top:8px;font-size:12px;color:var(--text-3);}
.trend{margin-top:14px;margin-bottom:18px;display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:4px 10px;border-radius:999px;}
.trend-up{color:var(--ok);background:rgba(47,211,163,.10);border:1px solid rgba(47,211,163,.32);}
.trend-flat{color:var(--text-3);background:rgba(255,255,255,.04);border:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}
.card-panel{background:linear-gradient(160deg,rgba(26,17,38,.94),rgba(18,12,27,.72));border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-card);transition:all .26s var(--ease);overflow:hidden;}
.card-panel:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card),0 0 34px -14px rgba(226,62,107,.6);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.card-panel:hover .card-media img{transform:scale(1.04);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,7,16,.05),rgba(10,7,16,.72));}
.card-body{padding:26px 26px 28px;}
.card-body h3{font-size:19px;line-height:1.4;}
.card-body p{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-2);}
.tag-row{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{padding:5px 12px;border-radius:999px;font-size:12.5px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);}
.card-link{margin-top:20px;display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-3);font-weight:600;}
.card-link i{transition:transform .24s var(--ease);}
.card-panel:hover .card-link i{transform:translateX(4px);}
.split-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{display:flex;flex-direction:column;height:100%;}
.info-cover{display:block;position:relative;overflow:hidden;}
.info-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.info-card:hover .info-cover img{transform:scale(1.04);}
.cover-fallback{display:block;width:100%;aspect-ratio:16/10;background:linear-gradient(135deg,rgba(226,62,107,.34),rgba(139,61,255,.34));}
.pill-gold{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12px;color:var(--gold);border:1px solid rgba(240,201,122,.4);background:rgba(240,201,122,.06);}
.info-title{margin-top:14px;font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text-1);}
.info-sum{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.info-meta{margin-top:auto;padding-top:18px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:10px;}
.empty-state{grid-column:1/-1;min-height:250px;border:1px dashed rgba(226,62,107,.45);border-radius:var(--r-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:40px 24px;background:rgba(26,17,38,.4);}
.empty-state i{font-size:26px;color:var(--brand-1);}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{border-radius:var(--r-lg);border:1px solid var(--line);padding:30px;background:linear-gradient(160deg,rgba(26,17,38,.9),rgba(18,12,27,.7));}
.compare-card.after{border-color:rgba(47,211,163,.32);box-shadow:0 0 34px -18px rgba(47,211,163,.7);}
.compare-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.compare-head h3{font-size:18px;}
.compare-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.compare-row:last-child{border-bottom:none;}
.compare-row .k{font-size:14.5px;color:var(--text-2);}
.compare-row .v{font-size:15px;font-weight:600;color:var(--text-1);}
.delta{font-size:12px;padding:3px 9px;border-radius:999px;color:var(--ok);background:rgba(47,211,163,.10);border:1px solid rgba(47,211,163,.32);}
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:18px;background:rgba(18,12,27,.62);margin-bottom:12px;overflow:hidden;transition:all .24s var(--ease);}
.faq-item[open]{border-color:rgba(226,62,107,.5);background:var(--bg-2);box-shadow:0 0 26px -14px rgba(226,62,107,.7);}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:17px;font-weight:600;color:var(--text-1);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--brand-1);transition:transform .28s var(--ease);font-size:14px;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--text-2);}
.form-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start;}
.form-card{border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(160deg,rgba(26,17,38,.95),rgba(18,12,27,.75));padding:36px;box-shadow:var(--shadow-card);position:relative;}
.form-card::before{content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;background:linear-gradient(130deg,rgba(226,62,107,.55),rgba(139,61,255,.4),transparent 70%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;min-height:50px;padding:14px 16px;border-radius:var(--r-sm);background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-1);transition:all .22s var(--ease);}
.field textarea{min-height:120px;resize:vertical;line-height:1.75;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(226,62,107,.16),0 0 20px -6px rgba(226,62,107,.6);background:rgba(255,255,255,.06);}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-3);}
.check-line input{width:16px;height:16px;min-height:16px;margin-top:4px;accent-color:var(--brand-1);}
.form-note{margin-top:16px;font-size:13px;color:var(--text-3);}
.consult-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.07);}
.consult-list li:last-child{border-bottom:none;}
.consult-list i{color:var(--gold);font-size:15px;margin-top:6px;}
.consult-list strong{display:block;color:var(--text-1);font-size:15.5px;font-weight:600;}
.consult-list span{font-size:14px;color:var(--text-2);}
.cta-band{border-radius:var(--r-lg);border:1px solid rgba(226,62,107,.35);background:linear-gradient(120deg,rgba(226,62,107,.16),rgba(139,61,255,.14) 55%,rgba(10,7,16,.6));padding:48px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:0 0 50px -30px rgba(226,62,107,.9);}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;}
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);position:relative;}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--brand-1) 30%,var(--brand-2) 70%,transparent);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text-1);}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:#fff;text-shadow:0 0 12px rgba(226,62,107,.6);}
.footer-desc{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.85;max-width:320px;}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .card-panel:hover,.stat-card:hover,.btn:hover{transform:none!important;}
}
@media (max-width:1180px){
  .stat-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:76px 0;}
  .hero{min-height:auto;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 0 64px;}
  .hero-visual{max-width:620px;}
  .float-a{left:0;}
  .float-b{right:0;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .split-2{grid-template-columns:1fr;}
  .mini-grid{grid-template-columns:repeat(2,1fr);}
  .compare-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:60px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .mini-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 24px;}
  .form-card{padding:26px 20px;}
  .card-body{padding:22px 20px 24px;}
  .compare-card{padding:24px 20px;}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr;}
  .brand{font-size:15.5px;}
  .hero h1{font-size:30px;}
  .hero-cta .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .nav-actions .btn{display:none;}
}

/* roulang page: article */
:root{
  --bg-0:#0A0710;
  --bg-1:#120C1B;
  --bg-2:#1A1126;
  --brand-1:#E23E6B;
  --brand-2:#8B3DFF;
  --brand-3:#FF7A59;
  --gold:#F0C97A;
  --ok:#2FD3A3;
  --warn:#F2A93B;
  --text-1:#F6F1F8;
  --text-2:#B7A6C6;
  --text-3:#7A6B8A;
  --line:rgba(255,255,255,.10);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-card:0 20px 50px -20px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.3;font-weight:700;}
p{margin:0;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;}
.container{max-width:1240px;margin:0 auto;padding:0 32px;}
.grad-text{
  background:linear-gradient(100deg,var(--brand-1),var(--brand-2) 55%,var(--brand-3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,7,16,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.75) 30%,rgba(139,61,255,.75) 70%,transparent);
}
.nav-wrap{
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text-1);font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap;
}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 30px;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 0 18px rgba(226,62,107,.45);
}
.brand-mark span{width:12px;height:12px;border:2px solid rgba(255,255,255,.92);border-radius:3px;display:block;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  transform:scaleX(0);transform-origin:center;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{
  color:#fff;background:rgba(226,62,107,.12);
  text-shadow:0 0 14px rgba(226,62,107,.7);
}
.nav-link.active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(226,62,107,.85);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:none;cursor:pointer;
  font-size:15px;font-weight:600;color:#fff;
  background:linear-gradient(100deg,var(--brand-1),var(--brand-2));
  box-shadow:0 12px 30px -12px rgba(226,62,107,.8);
  transition:transform .2s var(--ease),filter .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 16px 38px -12px rgba(226,62,107,.95);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--text-1);
  background:rgba(255,255,255,.03);
  border:1px solid rgba(226,62,107,.45);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-ghost:hover{
  background:rgba(226,62,107,.12);border-color:rgba(226,62,107,.85);
  transform:translateY(-1px);box-shadow:0 0 22px rgba(226,62,107,.35);
}
.btn-ghost:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .22s var(--ease),opacity .22s var(--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-drawer{
  border-top:1px solid var(--line);
  background:rgba(18,12,27,.98);
  padding:14px 32px 22px;
}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-drawer a:hover{color:var(--text-1);}
.mobile-drawer a.is-active{color:#fff;text-shadow:0 0 14px rgba(226,62,107,.8);}

/* ============ ARTICLE HEAD ============ */
.page-bg{
  position:relative;
  background-image:linear-gradient(180deg,rgba(10,7,16,.72),rgba(10,7,16,.94) 60%,var(--bg-0)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-bg::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px 340px at 12% 0%,rgba(226,62,107,.28),transparent 70%),
             radial-gradient(600px 320px at 88% 10%,rgba(139,61,255,.26),transparent 72%);
}
.article-head{position:relative;padding:48px 0 56px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--brand-3);}
.breadcrumb .sep{color:var(--text-3);opacity:.7;}
.breadcrumb .current{color:var(--text-1);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:clamp(28px,4.2vw,42px);line-height:1.25;letter-spacing:.2px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:14px;color:var(--text-3);
}
.pill-gold{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--gold);background:rgba(240,201,122,.07);
  border:1px solid rgba(240,201,122,.4);
}
.pill-gold::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px rgba(240,201,122,.9);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}
.article-cover{
  position:relative;margin-top:36px;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:16/9;background:var(--bg-2);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,7,16,.05),rgba(10,7,16,.5));
}

/* ============ LAYOUT ============ */
.article-body{padding:64px 0 20px;}
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start;}
.panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:38px 40px;
}
.panel::before{
  content:"";display:block;height:1px;margin:-38px -40px 30px;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.5) 40%,rgba(139,61,255,.4) 70%,transparent);
}

/* ============ PROSE ============ */
.prose-cn{font-size:17px;line-height:1.9;color:var(--text-2);max-width:800px;}
.prose-cn > *:first-child{margin-top:0;}
.prose-cn p{margin:0 0 22px;}
.prose-cn h2{
  position:relative;font-size:clamp(21px,2.3vw,26px);font-weight:700;color:var(--text-1);
  margin:46px 0 18px;padding-left:16px;line-height:1.45;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 16px rgba(226,62,107,.55);
}
.prose-cn h3{font-size:18px;font-weight:600;color:var(--text-1);margin:30px 0 12px;}
.prose-cn ul,.prose-cn ol{margin:0 0 22px;padding-left:24px;}
.prose-cn ul{list-style:disc;}
.prose-cn ol{list-style:decimal;}
.prose-cn li{margin:9px 0;}
.prose-cn li::marker{color:var(--gold);}
.prose-cn blockquote{
  margin:28px 0;padding:18px 24px;border-left:3px solid var(--brand-1);
  background:rgba(255,255,255,.03);border-radius:0 16px 16px 0;color:var(--text-2);
}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn img{border-radius:16px;margin:26px auto 10px;border:1px solid var(--line);}
.prose-cn a{color:var(--brand-3);text-decoration:underline;text-underline-offset:3px;}
.prose-cn a:hover{color:var(--gold);}
.prose-cn strong{color:var(--text-1);}
.prose-cn hr{border:none;height:1px;margin:36px 0;background:linear-gradient(90deg,transparent,rgba(226,62,107,.5),transparent);}
.prose-cn table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.prose-cn th{
  background:linear-gradient(90deg,rgba(226,62,107,.18),rgba(139,61,255,.14));
  color:var(--text-1);font-weight:600;text-align:left;padding:12px 14px;border:1px solid var(--line);
}
.prose-cn td{padding:12px 14px;border:1px solid var(--line);color:var(--text-2);}
.prose-cn tbody tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.prose-cn figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-bottom:20px;}
.prose-cn code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;
  background:rgba(255,255,255,.06);border-radius:6px;padding:2px 6px;color:var(--brand-3);
}

/* ============ EMPTY STATE ============ */
.empty-state{
  border:1px dashed rgba(226,62,107,.5);border-radius:var(--radius-md);
  background:rgba(226,62,107,.05);
  padding:52px 28px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state h2{font-size:22px;}
.empty-state p{font-size:15px;color:var(--text-2);max-width:460px;}

/* ============ SIDEBAR ============ */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;}
.side-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);padding:24px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.side-card:hover{
  border-color:rgba(226,62,107,.45);
  box-shadow:var(--shadow-card),0 0 24px rgba(226,62,107,.28);
}
.side-title{
  font-size:15px;font-weight:700;color:var(--text-1);
  display:flex;align-items:center;gap:9px;margin-bottom:16px;
}
.side-title::before{
  content:"";width:14px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 10px rgba(226,62,107,.75);
}
.toc-link{
  display:block;padding:8px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;line-height:1.5;
  transition:all .2s var(--ease);
}
.toc-link:hover{
  color:var(--text-1);background:rgba(255,255,255,.04);
  border-left-color:var(--brand-1);
}
.side-list li + li{margin-top:2px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:12px;font-size:14.5px;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.side-list a .arrow{color:var(--text-3);transition:transform .2s var(--ease),color .2s var(--ease);}
.side-list a:hover{background:rgba(255,255,255,.04);color:var(--text-1);transform:translateX(3px);}
.side-list a:hover .arrow{color:var(--brand-1);}
.consult-card{
  background:linear-gradient(160deg,rgba(226,62,107,.16),rgba(139,61,255,.12) 60%,rgba(26,17,38,.9));
  border:1px solid rgba(226,62,107,.4);
}
.consult-card .side-title::before{background:linear-gradient(90deg,var(--gold),var(--brand-1));}
.consult-line{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.07);
}
.consult-line:last-of-type{border-bottom:none;}
.consult-line span:first-child{color:var(--text-3);}
.consult-line span:last-child{color:var(--text-1);font-variant-numeric:tabular-nums;}

/* ============ TAGS / SECTION ============ */
.section{padding:64px 0;}
.section-alt{background:var(--bg-1);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--gold);letter-spacing:.6px;margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:18px;height:1px;background:var(--gold);}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.3;}
.section-sub{margin-top:14px;font-size:15.5px;color:var(--text-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;
  font-size:13.5px;color:var(--text-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:all .2s var(--ease);
}
.tag:hover{color:var(--text-1);border-color:rgba(226,62,107,.55);background:rgba(226,62,107,.1);}

/* ============ CARDS ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(226,62,107,.45);
  box-shadow:var(--shadow-card),0 0 26px rgba(226,62,107,.3);
}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-1);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,7,16,.05),rgba(10,7,16,.65));
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:17.5px;font-weight:600;line-height:1.5;}
.card-desc{font-size:14.5px;line-height:1.75;color:var(--text-2);}
.card-foot{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand-3);
}
.card-foot .arrow{transition:transform .22s var(--ease);}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-list{max-width:880px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:18px;background:var(--bg-1);
  padding:18px 22px;transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-item[open]{
  border-color:rgba(226,62,107,.5);
  background:var(--bg-2);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(226,62,107,.5);color:var(--brand-1);font-size:16px;line-height:1;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(226,62,107,.15);}
.faq-answer{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(226,62,107,.4);
  background:linear-gradient(120deg,rgba(226,62,107,.2),rgba(139,61,255,.16) 55%,rgba(26,17,38,.92));
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;width:320px;height:320px;right:-80px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,62,107,.35),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);position:relative;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:640px;position:relative;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--bg-0);position:relative;padding:64px 0 0;margin-top:24px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.6) 35%,rgba(139,61,255,.6) 65%,transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1);}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-3);margin-top:14px;max-width:360px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14.5px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--brand-3);}
.muted{font-size:14.5px;color:var(--text-3);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1180px){
  .main-nav{gap:2px;}
  .nav-link{padding:8px 10px;font-size:14.5px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .sidebar{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .panel{padding:30px 26px;}
  .panel::before{margin:-30px -26px 24px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .mobile-drawer{padding:12px 20px 20px;}
  .article-head{padding:34px 0 42px;}
  .article-body{padding:44px 0 10px;}
  .section{padding:48px 0;}
  .cta-band{padding:36px 26px;}
  .btn-primary,.btn-ghost{width:100%;}
  .nav-actions .btn-primary{width:auto;}
  .prose-cn{font-size:16.5px;}
  .prose-cn table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:640px){
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .breadcrumb .current{max-width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
    --bg-0:#0A0710;
    --bg-1:#120C1B;
    --bg-2:#1A1126;
    --brand-1:#E23E6B;
    --brand-2:#8B3DFF;
    --brand-3:#FF7A59;
    --gold:#F0C97A;
    --ok:#2FD3A3;
    --warn:#F2A93B;
    --text-1:#F6F1F8;
    --text-2:#B7A6C6;
    --text-3:#7A6B8A;
    --line:rgba(255,255,255,.10);
    --line-strong:rgba(255,255,255,.18);
    --grad:linear-gradient(120deg,var(--brand-1),var(--brand-2));
    --grad-line:linear-gradient(90deg,transparent,rgba(226,62,107,.9),rgba(139,61,255,.9),transparent);
    --r-lg:28px;
    --r-md:20px;
    --r-sm:14px;
    --shadow-card:0 20px 50px -20px rgba(0,0,0,.75);
    --ease:cubic-bezier(.22,.61,.36,1);
    --container:1240px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--text-1);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul{list-style:none;padding:0}
  .num,time,.stat-value,input,select{font-variant-numeric:tabular-nums}
  :focus-visible{outline:2px solid var(--brand-1);outline-offset:3px}

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

  /* ---------- 顶栏 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(10,7,16,.82);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .site-header::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-line);
  }
  .header-inner{display:flex;align-items:center;gap:24px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text-1)}
  .brand-mark{
    width:30px;height:30px;border-radius:9px;background:var(--grad);
    display:grid;place-items:center;box-shadow:0 0 18px rgba(226,62,107,.45);flex:none;
  }
  .brand-mark span{width:12px;height:12px;border:2px solid rgba(255,255,255,.92);border-radius:3px}
  .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
  .nav-link{
    position:relative;padding:10px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
    transition:color .22s var(--ease),background .22s var(--ease);
  }
  .nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
  .nav-link.active{color:#fff;text-shadow:0 0 14px rgba(226,62,107,.75)}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
    background:var(--grad);box-shadow:0 0 12px rgba(226,62,107,.8);
  }
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:rgba(255,255,255,.04);cursor:pointer;place-items:center;gap:5px;padding:0;
    transition:border-color .22s var(--ease),background .22s var(--ease);
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .22s var(--ease),opacity .22s var(--ease)}
  .nav-toggle:hover{border-color:rgba(226,62,107,.55);background:rgba(226,62,107,.10)}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .drawer{
    position:absolute;left:0;right:0;top:100%;
    background:var(--bg-1);border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);padding:14px 32px 22px;
    box-shadow:0 30px 60px -30px rgba(0,0,0,.9);
  }
  .drawer[hidden]{display:none}
  .drawer nav{display:grid}
  .drawer-link{
    padding:14px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);
    transition:color .2s var(--ease),padding-left .2s var(--ease);
  }
  .drawer-link:hover{color:var(--text-1);padding-left:8px}
  .drawer-link.active{color:#fff}
  .drawer-cta{margin-top:18px;width:100%}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px -14px rgba(226,62,107,.9)}
  .btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(226,62,107,.45),0 18px 36px -16px rgba(226,62,107,.95)}
  .btn-primary:active{transform:translateY(1px);filter:brightness(.95)}
  .btn-ghost{
    border-color:rgba(226,62,107,.55);color:var(--text-1);background:rgba(226,62,107,.09);
    box-shadow:inset 0 0 16px -8px rgba(226,62,107,.9);
  }
  .btn-ghost:hover{background:rgba(226,62,107,.18);border-color:rgba(226,62,107,.8);box-shadow:0 0 0 1px rgba(226,62,107,.35),0 0 24px -8px rgba(226,62,107,.85)}
  .btn-ghost:active{transform:translateY(1px);filter:brightness(.95)}
  .btn-sm{padding:10px 18px;font-size:14px}
  .btn[disabled],.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 14px;
    font-size:13px;color:var(--gold);border:1px solid rgba(240,201,122,.45);
    background:rgba(240,201,122,.08);font-variant-numeric:tabular-nums;
  }
  .badge .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none}
  .badge--ok{color:var(--ok);border-color:rgba(47,211,163,.42);background:rgba(47,211,163,.08)}
  .badge--ok .dot{background:var(--ok)}
  .badge--mute{color:var(--text-2);border-color:var(--line-strong);background:rgba(255,255,255,.04)}
  .badge--mute .dot{background:var(--text-3)}

  /* ---------- 分类页 Hero ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    padding:48px 0 60px;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(58% 90% at 12% 8%,rgba(226,62,107,.42),transparent 62%),
      radial-gradient(58% 90% at 88% 18%,rgba(139,61,255,.38),transparent 62%),
      linear-gradient(180deg,rgba(10,7,16,.62),rgba(10,7,16,.95));
  }
  .page-hero .container{position:relative;z-index:2}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:22px}
  .breadcrumb a{color:var(--text-3);transition:color .2s var(--ease)}
  .breadcrumb a:hover{color:var(--gold)}
  .breadcrumb .sep{opacity:.5}
  .breadcrumb .current{color:var(--text-1)}
  .hero-kicker{display:flex;align-items:center;gap:12px;font-size:14px;letter-spacing:.14em;color:var(--gold);margin-bottom:16px}
  .hero-kicker::before{content:"";width:32px;height:1px;background:var(--grad)}
  .page-hero h1{
    font-size:clamp(30px,4vw,50px);line-height:1.16;font-weight:700;letter-spacing:.01em;
    margin:0 0 18px;max-width:16em;
  }
  .page-hero .lead{max-width:760px;font-size:17px;line-height:1.9;color:var(--text-2);margin-bottom:26px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
  .hero-badges{display:flex;flex-wrap:wrap;gap:10px}

  /* ---------- 板块 ---------- */
  .section{padding:96px 0}
  .section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{max-width:760px;margin-bottom:52px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;
    color:var(--gold);margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:26px;height:1px;background:var(--grad)}
  .h2{font-size:clamp(24px,3vw,34px);line-height:1.28;font-weight:700;margin-bottom:14px}
  .section-head p{color:var(--text-2);font-size:16px;line-height:1.9}

  /* ---------- 图文导览 ---------- */
  .feature-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
  .feature-row + .feature-row{margin-top:88px}
  .feature-row--reverse .feature-media{order:2}
  .feature-media{
    position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);
    box-shadow:var(--shadow-card);background:var(--bg-2);aspect-ratio:16/11;
  }
  .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
  .feature-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(10,7,16,0) 45%,rgba(10,7,16,.62));
  }
  .feature-media:hover img{transform:scale(1.04)}
  .feature-body h3{font-size:clamp(20px,2.2vw,24px);font-weight:600;line-height:1.4;margin-bottom:14px}
  .feature-body p{color:var(--text-2);font-size:16px;margin-bottom:14px}
  .point-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:14px;margin-top:22px}
  .point-card{
    border:1px solid var(--line);border-radius:18px;padding:16px 18px;
    background:rgba(255,255,255,.03);
    transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .point-card:hover{transform:translateY(-4px);border-color:rgba(226,62,107,.45);box-shadow:0 0 0 1px rgba(226,62,107,.22),0 18px 36px -24px rgba(226,62,107,.8)}
  .point-card b{
    display:block;font-size:24px;line-height:1.3;font-weight:700;
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .point-card span{display:block;font-size:13px;color:var(--text-3);margin-top:4px}

  /* ---------- 适配对象 ---------- */
  .fit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .fit-card{
    border:1px solid var(--line);border-radius:var(--r-md);padding:26px;
    background:linear-gradient(180deg,var(--bg-2),rgba(18,12,27,.88));
    box-shadow:var(--shadow-card);
    transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .fit-card:hover{transform:translateY(-4px);border-color:rgba(139,61,255,.5);box-shadow:0 0 0 1px rgba(139,61,255,.25),0 24px 46px -26px rgba(139,61,255,.85)}
  .fit-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
  .fit-card p{color:var(--text-2);font-size:15px;margin:0}
  .fit-note{
    margin-top:24px;border:1px dashed rgba(240,201,122,.45);border-radius:var(--r-md);
    padding:18px 22px;background:rgba(240,201,122,.05);color:var(--text-2);font-size:15px;
    display:flex;gap:12px;align-items:flex-start;
  }
  .fit-note strong{color:var(--gold);font-weight:600}

  /* ---------- 流程 ---------- */
  .step-list{display:grid;gap:18px}
  .step{
    display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;align-items:start;
    border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
    background:rgba(255,255,255,.025);
    transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .step:hover{border-color:rgba(226,62,107,.45);transform:translateY(-3px);box-shadow:0 0 0 1px rgba(226,62,107,.2),0 22px 44px -28px rgba(226,62,107,.85)}
  .step-num{
    width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
    font-weight:700;font-size:17px;background:var(--grad);color:#fff;
    box-shadow:0 0 20px rgba(139,61,255,.45);
  }
  .step h3{font-size:18px;font-weight:600;margin-bottom:8px}
  .step p{color:var(--text-2);font-size:15px;margin:0}
  .step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}

  /* ---------- 指标看板 ---------- */
  .stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .stat-card{
    position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-md);
    padding:26px 24px 30px;
    background:linear-gradient(180deg,var(--bg-2),rgba(18,12,27,.9));
    box-shadow:var(--shadow-card);
  }
  .stat-card::after{
    content:"";position:absolute;left:22px;right:22px;bottom:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(226,62,107,.75),transparent);
  }
  .stat-name{font-size:14px;color:var(--text-2)}
  .stat-value{
    font-size:clamp(28px,3.2vw,40px);font-weight:700;line-height:1.25;margin:10px 0 6px;
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stat-note{font-size:12px;color:var(--text-3);margin-bottom:14px}

  /* ---------- FAQ ---------- */
  .faq{max-width:880px;display:grid;gap:12px}
  .faq-item{
    border:1px solid var(--line);border-radius:18px;overflow:hidden;
    background:rgba(255,255,255,.025);
    transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
  }
  .faq-item summary{
    list-style:none;cursor:pointer;padding:20px 22px;display:flex;gap:16px;align-items:center;
    justify-content:space-between;font-size:17px;font-weight:600;line-height:1.6;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{
    width:28px;height:28px;flex:none;border-radius:50%;border:1px solid var(--line-strong);
    display:grid;place-items:center;font-size:16px;line-height:1;color:var(--gold);
    transition:transform .22s var(--ease),border-color .22s var(--ease);
  }
  .faq-item[open]{border-color:rgba(226,62,107,.5);background:var(--bg-2);box-shadow:0 0 0 1px rgba(226,62,107,.22),0 18px 40px -26px rgba(226,62,107,.9)}
  .faq-item[open] .faq-icon{transform:rotate(180deg);border-color:rgba(226,62,107,.6)}
  .faq-answer{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.9}

  /* ---------- CTA 横幅 ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);
    padding:56px;background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;align-items:center;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(60% 120% at 8% 0%,rgba(226,62,107,.45),transparent 62%),
      linear-gradient(180deg,rgba(10,7,16,.72),rgba(10,7,16,.94));
  }
  .cta-band > *{position:relative;z-index:2}
  .cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;margin-bottom:12px}
  .cta-band p{color:var(--text-2);font-size:16px;margin:0}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ---------- 表单 ---------- */
  .consult-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:start}
  .consult-points{display:grid;gap:14px;margin-top:24px}
  .consult-points li{
    display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;
    border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 18px;background:rgba(255,255,255,.025);
  }
  .consult-points li::before{
    content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);margin-top:9px;flex:none;
    box-shadow:0 0 12px rgba(226,62,107,.8);
  }
  .form-card{
    position:relative;border-radius:var(--r-lg);padding:28px;background:var(--bg-2);
    border:1px solid transparent;
    background-image:linear-gradient(var(--bg-2),var(--bg-2)),var(--grad);
    background-origin:border-box;background-clip:padding-box,border-box;
    box-shadow:var(--shadow-card);
  }
  .form-card h3{font-size:19px;font-weight:600;margin-bottom:6px}
  .form-card .form-tip{font-size:13px;color:var(--text-3);margin-bottom:20px}
  .field{display:grid;gap:8px;margin-bottom:16px}
  .field label{font-size:14px;color:var(--text-2)}
  .field input,.field select,.field textarea{
    width:100%;border-radius:var(--r-sm);border:1px solid var(--line);
    background:rgba(255,255,255,.04);padding:14px 16px;font-size:15px;color:var(--text-1);
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
  }
  .field textarea{min-height:120px;resize:vertical}
  .field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:rgba(226,62,107,.75);background:rgba(255,255,255,.06);
    box-shadow:0 0 0 4px rgba(226,62,107,.18);
  }
  .field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
  .check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);margin:4px 0 20px}
  .check-row input{width:16px;height:16px;margin-top:5px;accent-color:var(--brand-1)}
  .form-msg{display:none;margin-top:16px;border-radius:var(--r-sm);padding:12px 16px;font-size:14px;color:var(--ok);border:1px solid rgba(47,211,163,.4);background:rgba(47,211,163,.08)}
  .form-msg.show{display:block}

  /* ---------- 相关分类 ---------- */
  .rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .rel-card{
    display:block;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
    background:rgba(255,255,255,.025);
    transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .rel-card:hover{transform:translateY(-4px);border-color:rgba(226,62,107,.45);box-shadow:0 0 0 1px rgba(226,62,107,.22),0 22px 44px -26px rgba(226,62,107,.85)}
  .rel-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
  .rel-card p{font-size:14px;color:var(--text-2);margin:0 0 14px}
  .rel-more{font-size:14px;color:var(--gold);font-variant-numeric:tabular-nums}
  .rel-card:hover .rel-more{color:var(--brand-1)}
  .rel-more::after{content:" →";transition:transform .22s var(--ease)}

  /* ---------- 页脚 ---------- */
  .site-footer{position:relative;background:var(--bg-0);padding:68px 0 0;border-top:1px solid var(--line)}
  .site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-line)}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
  .footer-col .brand{font-size:17px;margin-bottom:4px}
  .footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text-1)}
  .footer-col ul{display:grid;gap:10px}
  .footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
  .footer-col a:hover{color:var(--gold)}
  .footer-desc{font-size:14px;color:var(--text-3);line-height:1.85;margin-top:14px;max-width:360px}
  .muted{font-size:14px;color:var(--text-3)}
  .footer-bottom{
    margin-top:48px;border-top:1px solid var(--line);padding:22px 0;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .container{padding:0 24px}
    .main-nav{display:none}
    .nav-toggle{display:grid}
    .header-actions .btn{display:none}
    .section{padding:72px 0}
    .feature-row{grid-template-columns:minmax(0,1fr);gap:28px}
    .feature-row--reverse .feature-media{order:0}
    .feature-row + .feature-row{margin-top:56px}
    .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .fit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .consult-grid{grid-template-columns:minmax(0,1fr);gap:28px}
    .cta-band{grid-template-columns:minmax(0,1fr);padding:40px}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
    .page-hero{padding:36px 0 48px}
  }
  @media (max-width:639px){
    .container{padding:0 20px}
    .header-inner{height:64px;gap:12px}
    .brand{font-size:16px}
    .drawer{padding:12px 20px 20px}
    .section{padding:56px 0}
    .section-head{margin-bottom:34px}
    .stat-grid{grid-template-columns:minmax(0,1fr)}
    .fit-grid{grid-template-columns:minmax(0,1fr)}
    .rel-grid{grid-template-columns:minmax(0,1fr)}
    .step{grid-template-columns:minmax(0,1fr);gap:14px;padding:20px}
    .faq-item summary{font-size:16px;padding:18px}
    .faq-answer{padding:0 18px 20px}
    .cta-band{padding:28px 22px;border-radius:22px}
    .form-card{padding:22px}
    .hero-actions .btn{width:100%}
    .footer-grid{grid-template-columns:minmax(0,1fr)}
    .footer-bottom{flex-direction:column;gap:6px}
    .page-hero h1{font-size:30px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition-duration:.01ms !important}
    html{scroll-behavior:auto}
  }

/* roulang page: category2 */
:root{
  --bg-0:#0A0710;
  --bg-1:#120C1B;
  --bg-2:#1A1126;
  --brand-1:#E23E6B;
  --brand-2:#8B3DFF;
  --brand-3:#FF7A59;
  --gold:#F0C97A;
  --ok:#2FD3A3;
  --warn:#F2A93B;
  --text-1:#F6F1F8;
  --text-2:#B7A6C6;
  --text-3:#7A6B8A;
  --line:rgba(255,255,255,.10);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-card:0 20px 50px -20px rgba(0,0,0,.75);
  --tr:240ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,7,16,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.9),rgba(139,61,255,.85),transparent);
}
.header-inner{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  border:1px solid rgba(240,201,122,.55);
  background:linear-gradient(140deg,rgba(226,62,107,.35),rgba(139,61,255,.32));
  display:grid;place-items:center;position:relative;
}
.brand-mark span{
  width:11px;height:11px;border:1.5px solid var(--gold);transform:rotate(45deg);
  border-radius:2px;display:block;
}
.brand-name{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.6px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.nav-link{
  position:relative;padding:20px 12px;font-size:15px;color:var(--text-2);
  transition:color var(--tr);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  opacity:0;transform:scaleX(.4);transition:all var(--tr);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{opacity:.5;transform:scaleX(1)}
.nav-link.active{color:#fff;text-shadow:0 0 14px rgba(226,62,107,.7)}
.nav-link.active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 14px rgba(226,62,107,.75)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;padding:10px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text-1);transition:all var(--tr)}
.nav-toggle:hover{border-color:rgba(226,62,107,.6)}
.drawer{
  border-top:1px solid var(--line);
  background:rgba(18,12,27,.98);
  padding:12px 0 20px;
}
.drawer[hidden]{display:none}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  padding:14px 32px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);
  transition:all var(--tr);
}
.drawer-nav a:hover,.drawer-nav a.active{color:#fff;background:rgba(226,62,107,.12);padding-left:38px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;line-height:1;
  padding:14px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform var(--tr),box-shadow var(--tr),filter var(--tr),border-color var(--tr),color var(--tr);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  color:#fff;box-shadow:0 14px 32px -16px rgba(226,62,107,.95);
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 18px 38px -14px rgba(226,62,107,1)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost{
  background:rgba(255,255,255,.03);border-color:rgba(226,62,107,.5);color:var(--text-1);
  box-shadow:0 0 18px rgba(226,62,107,.18);
}
.btn-ghost:hover{border-color:var(--brand-1);color:#fff;box-shadow:0 0 26px rgba(226,62,107,.34);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}

/* ---------- badge / tag ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;border-radius:999px;
  font-size:12.5px;line-height:1.4;padding:6px 13px;border:1px solid var(--line);
  color:var(--text-2);background:rgba(255,255,255,.03);
}
.badge-gold{border-color:rgba(240,201,122,.45);background:rgba(240,201,122,.08);color:var(--gold)}
.badge-gold::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:0 0 auto}
.badge-ok{border-color:rgba(47,211,163,.4);background:rgba(47,211,163,.08);color:var(--ok)}
.tag{
  display:inline-flex;align-items:center;border-radius:999px;font-size:13px;
  padding:5px 12px;border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.02);
}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(58% 78% at 16% 18%,rgba(226,62,107,.34),transparent 62%),
    radial-gradient(52% 70% at 86% 8%,rgba(139,61,255,.3),transparent 64%),
    linear-gradient(180deg,rgba(10,7,16,.72),rgba(10,7,16,.95));
}
.hero-inner{position:relative;z-index:2;padding-top:64px;padding-bottom:60px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-3);transition:color var(--tr)}
.breadcrumb a:hover{color:var(--text-1)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--text-1)}
.hero-brandline{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:13.5px;color:var(--gold);letter-spacing:1px}
.hero-brandline::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.hero-inner h1{font-size:clamp(32px,4.6vw,52px);line-height:1.16;font-weight:700}
.hero-sub{margin-top:18px;max-width:760px;font-size:16.5px;line-height:1.85;color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ---------- section ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  font-size:13px;letter-spacing:2px;color:var(--brand-3);text-transform:uppercase;
  display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2))}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.28}
.section-desc{margin-top:16px;font-size:16px;color:var(--text-2)}

/* ---------- spec cards ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.spec-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 28px 22px;
  box-shadow:var(--shadow-card);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
  position:relative;overflow:hidden;
}
.spec-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.7),transparent);
  opacity:.7;
}
.spec-card:hover{transform:translateY(-4px);border-color:rgba(226,62,107,.45);box-shadow:0 24px 54px -22px rgba(226,62,107,.55)}
.spec-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.spec-head h3{font-size:19px}
.kv-list{display:flex;flex-direction:column}
.kv{
  display:flex;justify-content:space-between;gap:18px;align-items:baseline;
  padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.kv:last-child{border-bottom:none}
.kv .k{color:var(--text-3);flex:0 0 auto}
.kv .v{color:var(--text-1);text-align:right;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- content split ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.media-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);position:relative;background:var(--bg-2);
}
.media-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,7,16,.05),rgba(10,7,16,.6));
}
.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 400ms cubic-bezier(.22,.61,.36,1)}
.media-card:hover img{transform:scale(1.04)}
.split h3{font-size:22px;line-height:1.45}
.split p{margin-top:16px;font-size:15.8px;color:var(--text-2)}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.point{
  display:flex;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(255,255,255,.025);transition:border-color var(--tr),transform var(--tr);
}
.point:hover{border-color:rgba(240,201,122,.4);transform:translateY(-3px)}
.point .num{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--gold);border:1px solid rgba(240,201,122,.45);
  background:rgba(240,201,122,.08);font-variant-numeric:tabular-nums;
}
.point strong{display:block;color:var(--text-1);font-size:15.5px;font-weight:600;margin-bottom:4px}
.point span{font-size:14.5px;color:var(--text-2)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{
  position:relative;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 22px;box-shadow:var(--shadow-card);
  transition:transform var(--tr),border-color var(--tr);
}
.step:hover{transform:translateY(-4px);border-color:rgba(139,61,255,.5)}
.step-dot{
  width:12px;height:12px;border-radius:50%;background:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 16px rgba(226,62,107,.85);margin-bottom:18px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--text-2)}
.step .step-meta{display:block;margin-top:14px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- faq ---------- */
.faq-list{max-width:880px;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:18px;
  transition:border-color var(--tr),background var(--tr),box-shadow var(--tr);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;display:flex;align-items:center;gap:16px;
  justify-content:space-between;font-size:17px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--gold);font-size:16px;font-weight:400;
  transition:transform var(--tr),border-color var(--tr);
}
.faq-item[open]{background:var(--bg-2);border-color:rgba(226,62,107,.45);box-shadow:0 0 26px rgba(226,62,107,.16)}
.faq-item[open] summary::after{transform:rotate(45deg);border-color:rgba(226,62,107,.6)}
.faq-item .faq-body{padding:0 22px 20px;font-size:15.4px;line-height:1.85;color:var(--text-2)}
.faq-item summary:hover{color:#fff}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.related-card{
  display:flex;flex-direction:column;gap:10px;padding:24px 22px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-card);transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(226,62,107,.45);box-shadow:0 24px 50px -22px rgba(226,62,107,.5)}
.related-card strong{color:var(--text-1);font-size:16.5px}
.related-card p{font-size:14px;color:var(--text-3)}
.related-card .arrow{color:var(--gold);font-size:14px;transition:transform var(--tr)}
.related-card:hover .arrow{transform:translateX(4px)}

/* ---------- cta / form ---------- */
.cta-wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:start}
.cta-text h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
.cta-text p{margin-top:16px;font-size:16px;color:var(--text-2)}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.cta-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:50%;
  background:linear-gradient(120deg,var(--brand-1),var(--brand-2));box-shadow:0 0 12px rgba(226,62,107,.8);
}
.form-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.form-card::before{
  content:"";position:absolute;inset:0;padding:1px;border-radius:var(--r-lg);
  background:linear-gradient(140deg,rgba(226,62,107,.55),rgba(139,61,255,.35),transparent 70%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.form-card h3{font-size:20px;margin-bottom:8px}
.form-card .form-hint{font-size:14px;color:var(--text-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 16px;font-size:15px;color:var(--text-1);transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(183,166,198,.55)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(226,62,107,.75);background:rgba(255,255,255,.06);
  box-shadow:0 0 0 4px rgba(226,62,107,.16);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-3);margin:6px 0 20px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-1);flex:0 0 auto}
.form-actions{display:flex;justify-content:flex-end}
.form-status{margin-top:16px;font-size:14px;display:none;border-radius:var(--r-sm);padding:12px 14px}
.form-status.ok{display:block;color:var(--ok);background:rgba(47,211,163,.1);border:1px solid rgba(47,211,163,.35)}
.form-status.err{display:block;color:var(--warn);background:rgba(242,169,59,.1);border:1px solid rgba(242,169,59,.35)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);position:relative;padding-top:64px}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.85),rgba(139,61,255,.8),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px}
.footer-col h4{font-size:15px;letter-spacing:.6px;margin-bottom:18px;color:var(--text-1)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:var(--text-2);transition:color var(--tr),padding-left var(--tr)}
.footer-col a:hover{color:var(--brand-1);padding-left:4px}
.muted{font-size:14px;color:var(--text-3)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.site-footer .brand{margin-bottom:4px}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .main-nav{gap:0}
  .nav-link{padding:20px 9px;font-size:14.5px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:34px}
  .cta-wrap{grid-template-columns:1fr;gap:34px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-inner{padding-top:52px;padding-bottom:50px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .spec-grid{grid-template-columns:1fr;gap:18px}
  .spec-card{padding:22px 20px 16px;border-radius:var(--r-md)}
  .kv{flex-direction:column;gap:4px;align-items:flex-start}
  .kv .v{text-align:left}
  .steps{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero-actions .btn{width:100%}
  .form-actions{justify-content:stretch}
  .form-actions .btn{width:100%}
  .header-inner{height:64px;gap:14px}
  .brand-name{font-size:16px}
  .faq-item summary{font-size:15.8px;padding:16px 18px}
  .faq-item .faq-body{padding:0 18px 18px}
}
@media (max-width:520px){
  .hero-inner h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .section-head h2{font-size:23px}
  .badge{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
  .spec-card:hover,.step:hover,.related-card:hover,.point:hover{transform:none}
  .media-card:hover img{transform:none}
}

/* roulang page: category3 */
:root{
    --bg-0:#0A0710;
    --bg-1:#120C1B;
    --bg-2:#1A1126;
    --brand-1:#E23E6B;
    --brand-2:#8B3DFF;
    --brand-3:#FF7A59;
    --gold:#F0C97A;
    --ok:#2FD3A3;
    --warn:#F2A93B;
    --text-1:#F6F1F8;
    --text-2:#B7A6C6;
    --text-3:#7A6B8A;
    --line:rgba(255,255,255,.10);
    --line-strong:rgba(255,255,255,.18);
    --r-lg:28px;
    --r-md:20px;
    --r-sm:14px;
    --shadow-card:0 20px 50px -20px rgba(0,0,0,.75);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background-color:var(--bg-0);
    color:var(--text-2);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    background-image:
      radial-gradient(900px 520px at 10% -6%, rgba(139,61,255,.16), transparent 62%),
      radial-gradient(760px 460px at 90% 2%, rgba(226,62,107,.14), transparent 60%);
    background-repeat:no-repeat;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.25;font-weight:700;}
  p{margin:0;}
  button{font:inherit;cursor:pointer;}
  b,strong{color:var(--text-1);}
  :focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:8px;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
  @media (max-width:640px){ .container{padding:0 20px;} }

  /* ---------- 顶栏 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(10,7,16,.82);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .site-header::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(226,62,107,.85),rgba(139,61,255,.85),transparent);
  }
  .header-inner{display:flex;align-items:center;gap:20px;min-height:68px;}
  .brand{
    display:flex;align-items:center;gap:10px;
    color:var(--text-1);font-weight:700;font-size:17px;letter-spacing:.02em;white-space:nowrap;
  }
  .brand-mark{
    width:30px;height:30px;flex:0 0 auto;border-radius:9px;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    box-shadow:0 0 18px rgba(226,62,107,.45);
  }
  .brand-mark span{width:12px;height:12px;border:2px solid rgba(255,255,255,.92);border-radius:3px;display:block;}

  .main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
  .nav-link{
    position:relative;padding:9px 14px;border-radius:12px;
    font-size:15px;color:var(--text-2);
    transition:color .22s var(--ease),background-color .22s var(--ease);
  }
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.055);}
  .nav-link:active{transform:translateY(1px);}
  .nav-link.active{color:#fff;text-shadow:0 0 12px rgba(226,62,107,.65);}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
    box-shadow:0 0 12px rgba(226,62,107,.9);
  }
  .header-actions{display:flex;align-items:center;gap:12px;}

  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;
    border:1px solid var(--line);background:rgba(255,255,255,.04);
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
    transition:border-color .22s var(--ease),background-color .22s var(--ease);
  }
  .nav-toggle:hover{border-color:rgba(226,62,107,.5);background:rgba(226,62,107,.1);}
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);}

  .mobile-drawer{
    position:absolute;left:0;right:0;top:100%;
    display:none;
    background:rgba(10,7,16,.98);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
    padding:12px 20px 22px;
    max-height:calc(100vh - 68px);
    overflow-y:auto;
  }
  .mobile-drawer.is-open{display:block;}
  .drawer-link{
    display:block;padding:14px 14px;border-radius:12px;
    font-size:15.5px;color:var(--text-2);
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .drawer-link:hover{color:#fff;background:rgba(255,255,255,.05);}
  .drawer-link.active{
    color:#fff;
    background:linear-gradient(90deg,rgba(226,62,107,.20),rgba(139,61,255,.06) 70%,transparent);
    border-bottom-color:rgba(226,62,107,.35);
    box-shadow:inset 2px 0 0 var(--brand-1);
  }

  /* ---------- 按钮 ---------- */
  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border:0;border-radius:999px;
    font-size:15px;font-weight:600;color:#fff;
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    box-shadow:0 10px 30px -12px rgba(226,62,107,.9),inset 0 1px 0 rgba(255,255,255,.24);
    transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
  }
  .btn-primary:hover{
    filter:brightness(1.08);transform:translateY(-1px);
    box-shadow:0 16px 36px -12px rgba(226,62,107,1),inset 0 1px 0 rgba(255,255,255,.3);
  }
  .btn-primary:active{transform:translateY(1px);filter:brightness(.94);}
  .btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;filter:none;}
  .btn-sm{padding:9px 18px;font-size:14px;}

  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:999px;
    font-size:15px;font-weight:600;color:#fff;
    border:1px solid rgba(226,62,107,.55);
    background:rgba(226,62,107,.08);
    transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
  }
  .btn-ghost:hover{
    border-color:rgba(226,62,107,.9);
    background:rgba(226,62,107,.16);
    box-shadow:0 0 22px rgba(226,62,107,.35);
    transform:translateY(-1px);
  }
  .btn-ghost:active{transform:translateY(1px);}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    min-height:400px;display:flex;align-items:center;
    padding:76px 0 72px;
  }
  .hero-bg{
    position:absolute;inset:0;
    background-size:cover;background-position:center;
    opacity:.34;filter:saturate(.85);
  }
  .hero-mask{
    position:absolute;inset:0;
    background:
      radial-gradient(680px 420px at 16% 10%, rgba(226,62,107,.34), transparent 62%),
      radial-gradient(620px 400px at 84% 80%, rgba(139,61,255,.30), transparent 66%),
      linear-gradient(180deg, rgba(10,7,16,.72) 0%, rgba(10,7,16,.93) 66%, var(--bg-0) 100%);
  }
  .hero-inner{position:relative;z-index:2;max-width:920px;}
  .breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--text-3);margin-bottom:22px;}
  .breadcrumb a{color:var(--text-2);}
  .breadcrumb a:hover{color:#fff;}
  .breadcrumb .sep{opacity:.65;}
  .breadcrumb .current{color:#fff;}
  .hero-kicker{
    display:inline-block;margin-bottom:18px;
    padding:5px 14px;border-radius:999px;
    font-size:13px;letter-spacing:.16em;color:var(--gold);
    border:1px solid rgba(240,201,122,.4);
    background:rgba(240,201,122,.07);
  }
  .hero-title{font-size:clamp(30px,4.4vw,50px);line-height:1.16;letter-spacing:-.01em;}
  .hero-sub{margin-top:18px;max-width:720px;font-size:16.5px;line-height:1.88;color:var(--text-2);}
  .badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .badge-gold{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border-radius:999px;
    font-size:13.5px;color:#F4E3C2;
    border:1px solid rgba(240,201,122,.38);
    background:rgba(240,201,122,.07);
  }
  .badge-gold b{font-size:17px;color:var(--gold);font-variant-numeric:tabular-nums;font-weight:700;}

  /* ---------- 区块 ---------- */
  .section{padding:88px 0;position:relative;}
  .section-alt{
    background:var(--bg-1);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .section-head{max-width:780px;margin-bottom:44px;}
  .eyebrow{font-size:13px;letter-spacing:.14em;color:var(--gold);margin-bottom:12px;}
  .section-head h2{font-size:clamp(23px,2.8vw,34px);line-height:1.28;}
  .section-desc{margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.85;}

  /* ---------- 指标卡 ---------- */
  .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .stat-card{
    position:relative;overflow:hidden;
    padding:26px 22px 26px;
    background:var(--bg-2);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-card);
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .stat-card::after{
    content:"";position:absolute;left:22px;right:22px;bottom:0;height:1px;
    background:linear-gradient(90deg,rgba(226,62,107,.85),rgba(139,61,255,.55),transparent);
  }
  .stat-card:hover{
    transform:translateY(-4px);
    border-color:rgba(226,62,107,.45);
    box-shadow:var(--shadow-card),0 0 0 1px rgba(226,62,107,.3),0 0 26px rgba(226,62,107,.22);
  }
  .stat-label{font-size:14px;color:var(--text-3);}
  .stat-value{
    margin-top:10px;font-size:clamp(28px,3.4vw,40px);font-weight:700;line-height:1.1;
    font-variant-numeric:tabular-nums;
    background:linear-gradient(120deg,var(--brand-3),var(--brand-1) 46%,var(--brand-2));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stat-note{margin-top:10px;font-size:12.5px;color:var(--text-3);line-height:1.7;}

  /* ---------- 时间线 ---------- */
  .timeline{position:relative;max-width:1040px;margin:0 auto;}
  .timeline::before{
    content:"";position:absolute;left:50%;top:6px;bottom:6px;width:1px;
    transform:translateX(-50%);
    background:linear-gradient(180deg,rgba(226,62,107,0),rgba(226,62,107,.75) 10%,rgba(139,61,255,.75) 90%,rgba(139,61,255,0));
  }
  .tl-item{
    position:relative;display:grid;grid-template-columns:1fr 76px 1fr;
    align-items:start;margin-bottom:28px;
  }
  .tl-item:last-child{margin-bottom:0;}
  .tl-card{
    grid-column:1;
    padding:24px 24px 22px;
    background:var(--bg-2);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-card);
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .tl-item:nth-child(even) .tl-card{grid-column:3;}
  .tl-card:hover{
    transform:translateY(-4px);
    border-color:rgba(139,61,255,.5);
    box-shadow:var(--shadow-card),0 0 24px rgba(139,61,255,.22);
  }
  .tl-step{font-size:12.5px;letter-spacing:.12em;color:var(--gold);font-variant-numeric:tabular-nums;}
  .tl-card h3{margin-top:10px;font-size:19px;}
  .tl-card p{margin-top:10px;font-size:15px;line-height:1.82;color:var(--text-2);}
  .tl-dot{
    grid-column:2;justify-self:center;margin-top:26px;
    width:14px;height:14px;border-radius:50%;
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    box-shadow:0 0 0 4px var(--bg-0),0 0 18px rgba(226,62,107,.85);
    position:relative;z-index:2;
  }

  /* ---------- 会员等级卡 ---------- */
  .tier-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
  .tier-card{
    position:relative;
    padding:30px 30px 28px;
    background:var(--bg-2);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-card);
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .tier-card:hover{
    transform:translateY(-4px);
    border-color:rgba(226,62,107,.45);
    box-shadow:var(--shadow-card),0 0 0 1px rgba(226,62,107,.3),0 0 28px rgba(226,62,107,.2);
  }
  .tier-a{grid-column:span 5;}
  .tier-b{grid-column:span 7;}
  .tier-c{grid-column:span 12;}
  .tier-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
  .tier-name{font-size:20px;font-weight:700;color:var(--text-1);}
  .tier-sub{margin-top:12px;font-size:14.5px;color:var(--text-3);line-height:1.8;}

  .tag{
    display:inline-flex;align-items:center;
    padding:4px 12px;border-radius:999px;
    font-size:12.5px;line-height:1.6;
    border:1px solid var(--line-strong);color:var(--text-2);
    white-space:nowrap;
  }
  .tag-gold{border-color:rgba(240,201,122,.42);background:rgba(240,201,122,.08);color:#F4E3C2;}
  .tag-violet{border-color:rgba(139,61,255,.45);background:rgba(139,61,255,.10);color:#D8C2FF;}
  .tag-rose{border-color:rgba(226,62,107,.45);background:rgba(226,62,107,.10);color:#FFC6D6;}

  .tick-list{margin-top:20px;display:grid;gap:12px;}
  .tier-c .tick-list{grid-template-columns:repeat(2,1fr);gap:12px 32px;}
  .tick-list li{position:relative;padding-left:22px;font-size:14.8px;line-height:1.75;color:var(--text-2);}
  .tick-list li::before{
    content:"";position:absolute;left:0;top:.62em;
    width:7px;height:7px;border-radius:50%;
    background:var(--gold);box-shadow:0 0 10px rgba(240,201,122,.6);
  }

  /* ---------- 图文分栏 ---------- */
  .split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
  .split-media{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow-card);
  }
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
  .split-media:hover img{transform:scale(1.04);}
  .split-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(10,7,16,.06),rgba(10,7,16,.62));
    pointer-events:none;
  }
  .note-list{display:grid;gap:16px;margin-top:28px;}
  .note-item{
    padding:16px 20px;border-radius:var(--r-sm);
    border:1px solid var(--line);
    border-left:3px solid var(--brand-1);
    background:rgba(255,255,255,.025);
    transition:border-color .22s var(--ease),background-color .22s var(--ease);
  }
  .note-item:hover{border-color:rgba(226,62,107,.45);border-left-color:var(--brand-2);background:rgba(226,62,107,.06);}
  .note-item h3{font-size:16px;color:var(--text-1);}
  .note-item p{margin-top:8px;font-size:14.6px;line-height:1.8;color:var(--text-2);}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:12px;}
  .faq-item{
    border:1px solid var(--line);border-radius:18px;
    background:var(--bg-2);overflow:hidden;
    transition:border-color .24s var(--ease),background-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .faq-item[open]{
    border-color:rgba(226,62,107,.5);
    background:#1D1330;
    box-shadow:0 0 22px rgba(226,62,107,.16);
  }
  .faq-item summary{
    list-style:none;cursor:pointer;
    padding:18px 22px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-size:17px;font-weight:600;color:var(--text-1);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:#fff;}
  .faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--brand-1);border-radius:2px;
    transition:transform .24s var(--ease),opacity .24s var(--ease);
  }
  .faq-icon::before{left:0;top:8px;width:18px;height:2px;}
  .faq-icon::after{left:8px;top:0;width:2px;height:18px;}
  .faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
  .faq-answer{padding:0 22px 20px;font-size:15.5px;line-height:1.88;color:var(--text-2);}

  /* ---------- 相关分类 ---------- */
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:28px;}
  .rel-card{
    display:block;padding:26px 24px;
    background:var(--bg-2);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-card);
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .rel-card:hover{
    transform:translateY(-4px);
    border-color:rgba(226,62,107,.45);
    box-shadow:var(--shadow-card),0 0 26px rgba(226,62,107,.2);
  }
  .rel-card h3{font-size:17px;}
  .rel-card p{margin-top:10px;font-size:14px;line-height:1.78;color:var(--text-3);}
  .rel-more{
    display:inline-flex;align-items:center;gap:6px;margin-top:16px;
    font-size:14px;font-weight:600;color:var(--brand-3);
  }
  .rel-card:hover .rel-more{gap:10px;}
  .inline-links{display:flex;flex-wrap:wrap;gap:10px;}
  .inline-links a{
    display:inline-flex;align-items:center;
    padding:8px 16px;border-radius:999px;
    font-size:14px;color:var(--text-2);
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
  }
  .inline-links a:hover{color:#fff;border-color:rgba(226,62,107,.55);background:rgba(226,62,107,.1);}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    display:flex;align-items:center;justify-content:space-between;
    gap:32px;flex-wrap:wrap;
    padding:44px 44px;
    border-radius:var(--r-lg);
    border:1px solid rgba(226,62,107,.35);
    background:linear-gradient(120deg,rgba(226,62,107,.16),rgba(139,61,255,.14));
    box-shadow:var(--shadow-card);
  }
  .cta-band::after{
    content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(226,62,107,.38),transparent 68%);
    pointer-events:none;
  }
  .cta-text{position:relative;z-index:2;max-width:660px;}
  .cta-text h2{font-size:clamp(21px,2.5vw,30px);}
  .cta-text p{margin-top:14px;font-size:15.6px;line-height:1.85;color:var(--text-2);}
  .cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}
  .cta-meta{margin-top:16px;font-size:13.5px;color:var(--text-3);}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;
    background:var(--bg-0);
    border-top:1px solid var(--line);
  }
  .site-footer::before{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(226,62,107,.75),rgba(139,61,255,.75),transparent);
  }
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 44px;}
  .footer-col h4{font-size:15px;color:var(--text-1);margin-bottom:16px;font-weight:600;}
  .footer-col ul{display:grid;gap:11px;}
  .footer-col a{font-size:14.5px;color:var(--text-2);}
  .footer-col a:hover{color:#fff;}
  .footer-desc{margin-top:16px;max-width:340px;font-size:14.5px;line-height:1.85;color:var(--text-3);}
  .muted{color:var(--text-3);font-size:14.5px;}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding:20px 0 28px;
    border-top:1px solid var(--line);
    font-size:13.5px;color:var(--text-3);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .main-nav{display:none;}
    .nav-toggle{display:flex;}
    .stat-grid{grid-template-columns:repeat(2,1fr);}
    .tier-a,.tier-b{grid-column:span 12;}
    .tier-c .tick-list{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
    .related-grid{grid-template-columns:1fr 1fr;}
    .split{grid-template-columns:1fr;gap:34px;}
  }
  @media (max-width:767px){
    .section{padding:60px 0;}
    .page-hero{padding:56px 0 60px;min-height:0;}
    .stat-grid{grid-template-columns:1fr;}
    .related-grid{grid-template-columns:1fr;}
    .timeline::before{left:6px;transform:none;}
    .tl-item{grid-template-columns:24px 1fr;gap:0;margin-bottom:22px;}
    .tl-dot{grid-column:1;justify-self:start;margin-top:24px;}
    .tl-card,.tl-item:nth-child(even) .tl-card{grid-column:2;margin-left:16px;}
    .cta-band{padding:32px 24px;}
    .faq-item summary{font-size:16px;padding:16px 18px;}
    .faq-answer{padding:0 18px 18px;}
  }
  @media (max-width:640px){
    .footer-grid{grid-template-columns:1fr;gap:32px;}
    .badge-row{gap:10px;}
    .badge-gold{font-size:13px;padding:8px 13px;}
  }
  @media (max-width:480px){
    .header-actions .btn-primary{display:none;}
    .brand{font-size:16px;}
  }

  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
    html{scroll-behavior:auto;}
    .stat-card:hover,.tl-card:hover,.tier-card:hover,.rel-card:hover{transform:none;}
    .split-media:hover img{transform:none;}
  }

/* roulang page: category4 */
:root{
  --bg-0:#0A0710;
  --bg-1:#120C1B;
  --bg-2:#1A1126;
  --brand-1:#E23E6B;
  --brand-2:#8B3DFF;
  --brand-3:#FF7A59;
  --accent-gold:#F0C97A;
  --ok:#2FD3A3;
  --warn:#F2A93B;
  --text-1:#F6F1F8;
  --text-2:#B7A6C6;
  --text-3:#7A6B8A;
  --line:rgba(255,255,255,.10);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-card:0 20px 50px -20px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:.005em}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease)}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;box-shadow:0 0 0 4px rgba(226,62,107,.22)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--accent-gold);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--accent-gold),transparent)}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.25;margin-top:14px}
.section-sub{max-width:760px;margin-top:14px;font-size:16px;color:var(--text-2)}
.gold-line{
  height:1px;width:100%;
  background:linear-gradient(90deg,transparent,rgba(240,201,122,.55),transparent);
}
.neon-line{
  height:1px;width:100%;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.75),rgba(139,61,255,.75),transparent);
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,7,16,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.8),rgba(139,61,255,.8),transparent);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:70px;
}
.brand{
  display:inline-flex;align-items:center;gap:12px;
  font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:.02em;
}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;
  border:1px solid rgba(240,201,122,.6);
  border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(226,62,107,.28),rgba(139,61,255,.28));
  box-shadow:0 0 18px -6px rgba(226,62,107,.7);
}
.brand-mark span{
  width:12px;height:12px;
  border:1.5px solid var(--accent-gold);
  border-radius:3px;
  display:block;
  transform:rotate(45deg);
}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  opacity:0;transform:scaleX(.4);transform-origin:center;
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{opacity:.7;transform:scaleX(1)}
.nav-link.active{
  color:#fff;
  text-shadow:0 0 12px rgba(226,62,107,.55);
}
.nav-link.active::after{opacity:1;transform:scaleX(1);height:2px;box-shadow:0 0 10px rgba(226,62,107,.9)}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:12px;
  font-size:14px;font-weight:600;color:#fff;
  background:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  box-shadow:0 12px 28px -14px rgba(226,62,107,.9);
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
}
.header-cta:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 16px 32px -14px rgba(139,61,255,.95)}
.header-cta:active{transform:translateY(1px);filter:brightness(.95)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text-1);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--text-1);
  transition:transform .22s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:14px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.btn-primary{
  color:#fff;
  background:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  box-shadow:0 16px 36px -18px rgba(226,62,107,.95);
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95)}
.btn-ghost{
  color:var(--text-1);
  border-color:rgba(226,62,107,.55);
  background:rgba(226,62,107,.06);
  box-shadow:0 0 22px -12px rgba(139,61,255,.9);
}
.btn-ghost:hover{border-color:rgba(139,61,255,.85);background:rgba(139,61,255,.12);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn:disabled{opacity:.4;pointer-events:none}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  min-height:400px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 340px at 14% 22%,rgba(226,62,107,.34),transparent 68%),
    radial-gradient(620px 340px at 82% 8%,rgba(139,61,255,.32),transparent 70%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,7,16,.62) 0%,rgba(10,7,16,.86) 62%,var(--bg-0) 100%);
}
.cat-hero .container{position:relative;z-index:2;padding-top:48px;padding-bottom:56px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent-gold)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--text-1)}
.cat-hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.15;
  max-width:18em;
}
.cat-hero .hero-sub{
  margin-top:18px;max-width:720px;font-size:17px;color:var(--text-2);line-height:1.85;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;color:var(--accent-gold);
  border:1px solid rgba(240,201,122,.42);
  background:rgba(240,201,122,.06);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-gold);box-shadow:0 0 8px rgba(240,201,122,.9)}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
}

/* ---------- scene cards ---------- */
.scene-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;margin-top:52px;
}
.scene-card{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--bg-1);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.scene-card:nth-child(even){transform:translateY(28px)}
.scene-card:hover{
  transform:translateY(-4px);
  border-color:rgba(226,62,107,.45);
  box-shadow:var(--shadow-card),0 0 0 1px rgba(226,62,107,.35),0 0 42px -18px rgba(139,61,255,.85);
}
.scene-card:nth-child(even):hover{transform:translateY(24px)}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,7,16,.18) 0%,rgba(18,12,27,.92) 100%);
}
.scene-body{padding:26px 26px 30px}
.scene-body h3{font-size:19px;line-height:1.45}
.scene-body p{margin-top:12px;font-size:15px;color:var(--text-2)}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

/* ---------- data strip ---------- */
.data-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;margin-top:50px;
}
.data-item{
  border-radius:var(--radius-md);
  border:1px solid rgba(240,201,122,.28);
  background:linear-gradient(160deg,rgba(240,201,122,.08),rgba(26,17,38,.4));
  padding:22px 20px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.data-item:hover{transform:translateY(-3px);border-color:rgba(240,201,122,.6)}
.data-value{
  font-size:30px;font-weight:700;line-height:1.2;
  background:linear-gradient(120deg,#F6F1F8,var(--accent-gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.data-name{margin-top:10px;font-size:14px;color:var(--text-2)}
.data-note{margin-top:6px;font-size:12.5px;color:var(--text-3)}

/* ---------- steps ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:48px}
.step{
  position:relative;
  padding:26px 22px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--bg-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-3px);border-color:rgba(139,61,255,.5)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(120deg,var(--brand-1),var(--brand-2));
  box-shadow:0 10px 22px -12px rgba(226,62,107,.95);
}
.step h3{margin-top:16px;font-size:17px}
.step p{margin-top:10px;font-size:14.5px;color:var(--text-2)}

/* ---------- quote ---------- */
.quote-card{
  position:relative;
  margin-top:46px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(240,201,122,.3);
  background:linear-gradient(150deg,rgba(240,201,122,.07),rgba(26,17,38,.55));
  padding:54px 48px 46px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.quote-card::before{
  content:"\201C";
  position:absolute;top:-6px;left:26px;
  font-family:Georgia,serif;
  font-size:120px;line-height:1;
  color:rgba(240,201,122,.22);
  pointer-events:none;
}
.quote-card blockquote{
  position:relative;margin:0;
  font-size:18px;line-height:1.9;color:var(--text-1);
}
.quote-meta{margin-top:22px;font-size:14px;color:var(--text-3)}
.quote-meta strong{color:var(--accent-gold);font-weight:600}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:44px auto 0}
.faq-item{
  border-radius:18px;border:1px solid var(--line);
  background:var(--bg-1);
  margin-bottom:12px;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.faq-item[open]{
  border-color:rgba(226,62,107,.5);
  background:var(--bg-2);
  box-shadow:0 0 0 1px rgba(139,61,255,.25),0 0 34px -20px rgba(226,62,107,.9);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(240,201,122,.5);
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--accent-gold);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.5px}
.faq-icon::after{width:1.5px;height:10px;transition:opacity .22s var(--ease)}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-answer{padding:0 24px 22px;font-size:15.5px;color:var(--text-2);line-height:1.9}

/* ---------- related nav ---------- */
.cat-nav-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:44px}
.cat-nav-card{
  display:flex;flex-direction:column;gap:10px;
  padding:24px 22px;border-radius:var(--radius-md);
  border:1px solid var(--line);background:var(--bg-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cat-nav-card:hover{
  transform:translateY(-4px);
  border-color:rgba(139,61,255,.55);
  box-shadow:var(--shadow-card),0 0 34px -20px rgba(139,61,255,.95);
}
.cat-nav-card .cn-title{font-size:17px;font-weight:600;color:var(--text-1)}
.cat-nav-card .cn-desc{font-size:14px;color:var(--text-2)}
.cat-nav-card .cn-more{font-size:14px;color:var(--accent-gold);display:inline-flex;align-items:center;gap:6px}
.cat-nav-card .cn-more .arw{transition:transform .22s var(--ease)}
.cat-nav-card:hover .cn-more .arw{transform:translateX(4px)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid rgba(226,62,107,.35);
  background:
    radial-gradient(600px 280px at 12% 10%,rgba(226,62,107,.3),transparent 70%),
    radial-gradient(520px 280px at 88% 90%,rgba(139,61,255,.3),transparent 72%),
    var(--bg-1);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.cta-band p{margin-top:14px;max-width:620px;font-size:15.5px;color:var(--text-2)}
.cta-actions{display:flex;gap:14px;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid var(--line);
  padding-top:64px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,62,107,.7),rgba(139,61,255,.7),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;
}
.footer-col h4{font-size:15px;color:var(--text-1);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14.5px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--accent-gold)}
.footer-desc{margin-top:16px;font-size:14px;color:var(--text-3);max-width:340px;line-height:1.8}
.muted{font-size:14px;color:var(--text-3)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 30px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .mobile-drawer{
    display:block;position:fixed;inset:70px 0 auto 0;z-index:55;
    background:rgba(12,8,20,.98);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    padding:18px 24px 26px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
  }
  .mobile-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .mobile-drawer a{
    display:block;padding:14px 4px;font-size:16px;color:var(--text-2);
    border-bottom:1px solid rgba(255,255,255,.07);
  }
  .mobile-drawer a.active{color:#fff;text-shadow:0 0 12px rgba(226,62,107,.6)}
  .mobile-drawer a:hover{color:var(--accent-gold)}
  .data-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-nav-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .scene-card:nth-child(even){transform:none}
  .scene-card:nth-child(even):hover{transform:translateY(-4px)}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .scene-grid{grid-template-columns:1fr;gap:20px}
  .data-strip{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .cat-nav-grid{grid-template-columns:1fr}
  .quote-card{padding:44px 24px 34px}
  .quote-card::before{font-size:88px;left:14px}
  .cta-band{padding:34px 22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cat-hero{min-height:340px}
}
@media (max-width:519px){
  .btn{height:48px;padding:0 20px;font-size:14.5px}
  .data-value{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .scene-card:hover,.cat-nav-card:hover,.step:hover,.data-item:hover{transform:none}
}