/* roulang page: index */
:root{
  --bg-0:#060A12;--bg-1:#0B1220;--bg-2:#111A2B;
  --primary:#4FD1FF;--primary-2:#7C5CFF;--accent:#FFB020;
  --glass:rgba(255,255,255,.06);--glass-line:rgba(140,200,255,.16);
  --t-1:#E9F1FB;--t-2:#A9BAD2;--t-3:#6E8099;
  --radius:16px;--radius-sm:12px;--radius-xs:8px;
  --glow:0 0 0 1px rgba(79,209,255,.35),0 8px 40px -12px rgba(79,209,255,.45);
  --glow-soft:0 0 0 1px rgba(79,209,255,.18),0 18px 50px -28px rgba(79,209,255,.5);
  --shadow:0 20px 55px -30px rgba(0,0,0,.95);
  --tr:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg-0);color:var(--t-1);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;font-size:17px;line-height:1.8;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.5px}
p{margin:0}
::selection{background:rgba(79,209,255,.3)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:104px 0;position:relative}
.section-tight{padding:72px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;color:var(--primary);text-transform:uppercase;font-weight:700}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--primary))}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:48px}
.sec-head h2{font-size:36px;margin-top:14px}
.sec-head .sec-sub{color:var(--t-2);font-size:16px;max-width:560px;margin-top:12px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:15px;font-weight:700;transition:var(--tr)}
.text-link svg{transition:var(--tr)}
.text-link:hover{color:#fff}
.text-link:hover svg{transform:translateX(4px)}
.glow-spot{position:absolute;border-radius:50%;pointer-events:none;filter:blur(6px)}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;height:68px;display:flex;align-items:center;background:rgba(6,10,18,.7);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.04);transition:var(--tr)}
.site-header.is-scrolled{background:rgba(6,10,18,.92);border-bottom-color:rgba(79,209,255,.28);box-shadow:0 14px 44px -28px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.3px;color:#fff}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:grid;place-items:center;box-shadow:var(--glow);flex:0 0 auto}
.logo small{display:block;font-size:11px;letter-spacing:.22em;color:var(--t-3);font-weight:500;line-height:1}
.nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:10px 15px;font-size:15px;color:var(--t-2);border-radius:10px;transition:var(--tr)}
.nav-link::after{content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));transform:scaleX(0);transform-origin:left;transition:var(--tr);box-shadow:0 0 12px rgba(79,209,255,.85)}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.04)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--glass-line);align-items:center;justify-content:center;color:var(--t-1)}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;font-weight:700;transition:var(--tr);white-space:nowrap;cursor:pointer}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-md{height:44px;padding:0 22px;font-size:15px}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-primary{background:linear-gradient(120deg,#FFB020,#FF8A3D);color:#1A1206;box-shadow:0 14px 34px -14px rgba(255,176,32,.8)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,176,32,.55),0 20px 44px -14px rgba(255,176,32,.9)}
.btn-ghost{border:1px solid var(--glass-line);background:rgba(255,255,255,.03);color:var(--t-1)}
.btn-ghost:hover{border-color:rgba(79,209,255,.6);color:#fff;box-shadow:var(--glow);transform:translateY(-2px)}
.btn-cyan{border:1px solid rgba(79,209,255,.5);background:rgba(79,209,255,.09);color:var(--primary)}
.btn-cyan:hover{background:rgba(79,209,255,.18);color:#fff;box-shadow:var(--glow)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

/* hero */
.hero{position:relative;padding:160px 0 110px;overflow:hidden;min-height:86vh;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.34}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(6,10,18,.97) 12%,rgba(6,10,18,.78) 46%,rgba(6,10,18,.92) 100%)}
.hero-spot-1{width:520px;height:520px;top:-160px;left:-120px;background:radial-gradient(circle,rgba(79,209,255,.14),transparent 68%)}
.hero-spot-2{width:560px;height:560px;bottom:-220px;right:-140px;background:radial-gradient(circle,rgba(124,92,255,.14),transparent 68%)}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:60px;align-items:center;width:100%}
.hero h1{font-size:bold;font-size:54px;line-height:1.2;margin:20px 0 18px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:19px;color:var(--t-2);max-width:520px;line-height:1.75}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 32px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;font-size:13.5px;color:var(--primary);background:rgba(79,209,255,.1);border:1px solid rgba(79,209,255,.24)}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(79,209,255,.9)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-note{margin-top:20px;font-size:13.5px;color:var(--t-3);display:flex;align-items:center;gap:8px}
.hero-visual{position:relative}
.hero-visual .shot{border-radius:18px;overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow)}
.hero-visual .shot img{width:100%;height:340px;object-fit:cover;transition:var(--tr)}
.hero-visual:hover .shot img{transform:scale(1.04)}
.glass-panel{background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-radius:16px}
.float-card{position:absolute;left:-28px;bottom:-38px;padding:20px 22px;display:grid;gap:16px;min-width:262px;box-shadow:var(--glow-soft)}
.float-card .stat{display:flex;align-items:baseline;justify-content:space-between;gap:14px}
.float-card .stat b{font-size:23px;color:var(--primary);font-weight:800;letter-spacing:-.4px}
.float-card .stat span{font-size:13.5px;color:var(--t-2)}
.float-card .stat + .stat{border-top:1px solid rgba(140,200,255,.14);padding-top:13px}

/* value grid */
.value-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.value-card{position:relative;overflow:hidden;border:1px solid var(--glass-line);background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.015));border-radius:var(--radius);padding:30px;transition:var(--tr)}
.value-card:hover{border-color:rgba(79,209,255,.45);box-shadow:var(--glow-soft);transform:translateY(-4px)}
.value-card .num{position:absolute;right:20px;top:6px;font-size:76px;font-weight:800;color:rgba(79,209,255,.09);letter-spacing:-4px;line-height:1}
.value-card h3{font-size:21px;margin-bottom:12px}
.value-card p{color:var(--t-2);font-size:15.5px}
.value-card.large{grid-column:span 6;padding:36px}
.value-card.small{grid-column:span 3}
.value-card.small:nth-of-type(2){transform:translateY(42px)}
.value-card.small:nth-of-type(2):hover{transform:translateY(38px)}
.value-card.small:nth-of-type(3){transform:translateY(20px)}
.value-card.small:nth-of-type(3):hover{transform:translateY(16px)}
.value-card .cover{margin:22px -30px -30px;height:190px;overflow:hidden;border-top:1px solid rgba(140,200,255,.14)}
.value-card.large .cover{margin:26px -36px -36px;height:230px}
.value-card .cover img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:var(--tr)}
.value-card:hover .cover img{transform:scale(1.05);opacity:1}
.value-card .text-link{margin-top:18px}

/* scenes */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:88px}
.scene:last-child{margin-bottom:0}
.scene-media{border-radius:18px;overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow)}
.scene-media img{width:100%;height:330px;object-fit:cover;transition:var(--tr)}
.scene-media:hover img{transform:scale(1.04)}
.scene h3{font-size:28px;margin:14px 0 14px}
.scene p.lead{color:var(--t-2);font-size:16px}
.point-list{margin-top:24px;display:grid;gap:14px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--t-2)}
.point-list svg{flex:0 0 auto;margin-top:4px;color:var(--primary)}
.scene.reverse .scene-media{order:2}
.scene.reverse .scene-text{order:1}

/* cms */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cms-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--glass-line);border-radius:var(--radius);overflow:hidden;background:linear-gradient(180deg,rgba(17,26,43,.9),rgba(11,18,32,.9));transition:var(--tr)}
.cms-card:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.45);box-shadow:var(--glow-soft)}
.cms-media{position:relative;height:186px;overflow:hidden}
.cms-media img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:var(--tr)}
.cms-card:hover .cms-media img{transform:scale(1.05);opacity:1}
.cms-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,18,.05),rgba(6,10,18,.85))}
.cms-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.cms-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.badge{display:inline-flex;align-items:center;padding:5px 11px;border-radius:6px;font-size:12.5px;font-weight:700;color:var(--primary);background:rgba(79,209,255,.12);border:1px solid rgba(79,209,255,.22)}
.badge-violet{color:#B9A9FF;background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.28)}
.badge-amber{color:var(--accent);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.26)}
.cms-date{font-size:13px;color:var(--t-3)}
.cms-title{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-card:hover .cms-title{color:var(--primary)}
.cms-summary{font-size:14.5px;color:var(--t-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-card .stretch{position:absolute;inset:0;z-index:2}
.empty-state{grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed rgba(140,200,255,.25);border-radius:var(--radius);background:rgba(255,255,255,.02)}

/* stats + logos + quotes */
.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--glass-line);border:1px solid var(--glass-line);border-radius:var(--radius);overflow:hidden}
.stat-cell{background:rgba(11,18,32,.86);padding:30px 24px;text-align:center}
.stat-cell b{display:block;font-size:32px;font-weight:800;color:var(--primary);letter-spacing:-1px}
.stat-cell span{display:block;margin-top:8px;font-size:14px;color:var(--t-2)}
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.logo-wall div{height:74px;display:grid;place-items:center;border:1px solid rgba(140,200,255,.12);border-radius:var(--radius-sm);background:rgba(255,255,255,.02);color:var(--t-3);font-size:15px;font-weight:700;letter-spacing:.06em;transition:var(--tr)}
.logo-wall div:hover{color:var(--t-1);border-color:rgba(140,200,255,.22)}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.quote-card{padding:30px;border-radius:var(--radius);border:1px solid var(--glass-line);background:linear-gradient(150deg,rgba(79,209,255,.08),rgba(255,255,255,.01))}
.quote-card p{font-size:16px;color:var(--t-1);line-height:1.85}
.quote-card footer{margin-top:20px;font-size:13.5px;color:var(--t-3);display:flex;align-items:center;gap:10px}
.quote-card footer::before{content:"";width:26px;height:1px;background:rgba(140,200,255,.4)}

/* faq */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--glass-line);border-radius:var(--radius-sm);background:rgba(255,255,255,.025);overflow:hidden;transition:var(--tr)}
.faq-item.is-open{border-color:rgba(79,209,255,.45);background:rgba(79,209,255,.05)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;text-align:left;font-size:18px;font-weight:600;color:var(--t-1);transition:var(--tr)}
.faq-q:hover{color:var(--primary)}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid rgba(140,200,255,.3);display:grid;place-items:center;position:relative;transition:var(--tr)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:var(--tr)}
.faq-item.is-open .faq-icon{background:rgba(79,209,255,.16);box-shadow:var(--glow)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.4,0,.2,1)}
.faq-a p{padding:0 24px 24px;color:var(--t-2);font-size:15.5px}

/* cta */
.cta-band{position:relative;overflow:hidden;border:1px solid var(--glass-line);border-radius:20px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:36px;background:linear-gradient(120deg,rgba(79,209,255,.1),rgba(124,92,255,.08) 55%,rgba(255,176,32,.06))}
.cta-band h2{font-size:30px}
.cta-band p{color:var(--t-2);margin-top:12px;font-size:16px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-spot{width:420px;height:420px;right:-120px;bottom:-200px;background:radial-gradient(circle,rgba(255,176,32,.18),transparent 68%)}

/* footer */
.site-footer{position:relative;margin-top:104px;border-top:1px solid rgba(140,200,255,.14);background:var(--bg-1)}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(79,209,255,.75),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 44px}
.footer-brand p{color:var(--t-2);font-size:14.5px;margin-top:18px;max-width:330px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff}
.footer-col li + li{margin-top:11px}
.footer-col a{color:var(--t-2);font-size:14.5px;transition:var(--tr)}
.footer-col a:hover{color:var(--primary)}
.footer-col span{color:var(--t-2);font-size:14.5px}
.footer-bottom{border-top:1px solid rgba(140,200,255,.1);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--t-3)}

/* floating cta */
.float-cta{position:fixed;right:26px;bottom:26px;z-index:70;display:flex;align-items:center;gap:10px;padding:10px 12px 10px 18px;border-radius:999px;background:rgba(11,18,32,.86);border:1px solid rgba(79,209,255,.4);backdrop-filter:blur(14px);box-shadow:0 0 0 1px rgba(79,209,255,.18),0 18px 44px -20px rgba(79,209,255,.7);opacity:0;transform:translateY(14px);pointer-events:none;transition:var(--tr)}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta span{font-size:14px;color:var(--t-2)}
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:75;display:none;padding:10px 14px calc(10px + env(safe-area-inset-bottom));gap:10px;background:rgba(6,10,18,.94);border-top:1px solid rgba(79,209,255,.22);backdrop-filter:blur(14px);transform:translateY(110%);transition:var(--tr)}
.mobile-bar.is-visible{transform:none}
.mobile-bar .btn{flex:0 0 auto}
.mobile-bar .btn-primary{flex:1 1 auto}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,11,.72);backdrop-filter:blur(6px);opacity:0;pointer-events:none;transition:var(--tr);z-index:88}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:90;background:var(--bg-1);border-left:1px solid rgba(79,209,255,.2);padding:26px 24px;display:flex;flex-direction:column;gap:6px;transform:translateX(102%);transition:var(--tr)}
.drawer.is-open{transform:none}
.drawer-link{padding:16px 6px;font-size:18px;font-weight:700;color:var(--t-1);border-bottom:1px solid rgba(140,200,255,.1);transition:var(--tr)}
.drawer-link:hover,.drawer-link.is-active{color:var(--primary)}
.drawer-close{align-self:flex-end;width:42px;height:42px;border-radius:12px;border:1px solid var(--glass-line);display:grid;place-items:center;margin-bottom:14px}

@media (max-width:1024px){
  .container{padding:0 24px}
  .nav{display:none}
  .burger{display:inline-flex}
  .hero{padding:132px 0 84px;min-height:auto}
  .hero h1{font-size:40px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .float-card{position:static;margin-top:20px;min-width:0}
  .value-card.large,.value-card.small{grid-column:span 12}
  .value-card.small:nth-of-type(2),.value-card.small:nth-of-type(3){transform:none}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:72px 0}
  .sec-head h2{font-size:28px}
  .hero h1{font-size:33px}
  .hero-sub{font-size:17px}
  .scene{grid-template-columns:1fr;gap:26px;margin-bottom:64px}
  .scene.reverse .scene-media,.scene.reverse .scene-text{order:initial}
  .scene-media img{height:240px}
  .stat-bar{grid-template-columns:1fr 1fr}
  .logo-wall{grid-template-columns:1fr 1fr}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;padding:52px 0 36px}
  .header-cta .btn-ghost{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .cms-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  .header-cta .btn-md{height:40px;padding:0 16px;font-size:14px}
  .logo{font-size:17px}
}

/* roulang page: article */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --primary:#4FD1FF;
  --primary-2:#7C5CFF;
  --accent:#FFB020;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(140,200,255,.16);
  --glow:0 0 0 1px rgba(79,209,255,.35), 0 8px 40px -12px rgba(79,209,255,.45);
  --t-1:#E9F1FB;
  --t-2:#A9BAD2;
  --t-3:#6E8099;
  --r-card:16px;
  --r-btn:999px;
  --r-img:14px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.85), 0 2px 12px -6px rgba(79,209,255,.18);
  --ease:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 12% -6%, rgba(79,209,255,.08), transparent 70%),
    radial-gradient(620px 420px at 92% 8%, rgba(124,92,255,.08), transparent 72%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.3px;line-height:1.35;color:var(--t-1);}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}
@media (max-width:768px){.container{padding:0 16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.92);
  border-bottom-color:rgba(79,209,255,.22);
  box-shadow:0 14px 34px -26px rgba(79,209,255,.55);
}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.4px;white-space:nowrap;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 22px -10px rgba(79,209,255,.85);
}
.logo span small{display:block;font-size:11px;font-weight:400;color:var(--t-3);letter-spacing:.5px;margin-top:-2px;}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--t-2);
  border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
  box-shadow:0 0 12px rgba(79,209,255,.8);
}
.nav-link:hover{color:var(--t-1);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);}
.header-cta{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-weight:700;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;cursor:pointer;
}
.btn-md{height:40px;padding:0 18px;font-size:14.5px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-primary{
  background:linear-gradient(135deg,#FFC košik);
}
.btn-primary{
  color:#1A1206;
  background:linear-gradient(135deg,#FFD070,var(--accent));
  box-shadow:0 10px 28px -12px rgba(255,176,32,.85);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(255,176,32,.95);}
.btn-ghost{
  color:var(--t-1);
  border:1px solid var(--glass-line);
  background:var(--glass);
}
.btn-ghost:hover{border-color:rgba(79,209,255,.55);color:var(--primary);}
.btn:active{transform:translateY(0) scale(.985);}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--glass-line);
  background:var(--glass);align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--t-1);position:relative;border-radius:2px;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-1);border-radius:2px;transition:transform var(--ease);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

@media (max-width:1024px){
  .nav{display:none;}
  .header-cta .btn-ghost{display:none;}
  .burger{display:flex;}
  .nav.is-open{
    display:flex;flex-direction:column;align-items:flex-start;gap:4px;
    position:fixed;left:0;right:0;top:68px;
    padding:20px 16px 32px;
    background:rgba(6,10,18,.98);
    border-bottom:1px solid var(--glass-line);
    max-height:calc(100vh - 68px);overflow-y:auto;
  }
  .nav.is-open .nav-link{font-size:18px;padding:12px 8px;width:100%;color:var(--t-1);}
  .nav.is-open .nav-link::after{left:8px;right:auto;width:22px;}
}
@media (max-width:520px){
  .logo{font-size:16px;}
  .logo span small{display:none;}
  .header-inner{gap:12px;}
}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--t-3);flex-wrap:nowrap;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(140,200,255,.35);}
.crumb .now{color:var(--t-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw;}

/* ---------- article head ---------- */
.article-head{padding:26px 0 0;}
.article-head .kicker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;font-size:12.5px;font-weight:500;
  background:rgba(79,209,255,.12);color:var(--primary);
  border:1px solid rgba(79,209,255,.22);
}
.badge-accent{background:rgba(255,176,32,.12);color:var(--accent);border-color:rgba(255,176,32,.26);}
.meta{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t-3);flex-wrap:wrap;}
.meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(140,200,255,.4);}
.article-head h1{font-size:36px;line-height:1.4;max-width:900px;}
.neon-line{
  height:1px;margin:26px 0 0;
  background:linear-gradient(90deg,rgba(79,209,255,.85),rgba(124,92,255,.55) 34%,transparent 78%);
  box-shadow:0 0 14px rgba(79,209,255,.5);
}
.lead{
  margin-top:26px;padding:16px 20px;border-left:3px solid var(--primary);
  background:linear-gradient(90deg,rgba(79,209,255,.08),rgba(79,209,255,0));
  border-radius:0 12px 12px 0;
  color:var(--t-2);font-size:16px;
}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,780px) 260px;gap:56px;justify-content:center;padding:44px 0 0;align-items:start;}
.article-main{min-width:0;}
.toc-card{
  position:sticky;top:96px;
  padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow-card);
}
.toc-card h3{font-size:14px;letter-spacing:1px;color:var(--t-3);font-weight:700;text-transform:uppercase;margin-bottom:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto;}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--t-2);
  border-left:2px solid transparent;
}
.toc-list a:hover{color:var(--primary);background:rgba(79,209,255,.07);border-left-color:var(--primary);}
.toc-side-cta{margin-top:18px;padding-top:18px;border-top:1px dashed rgba(140,200,255,.2);}
.toc-side-cta p{font-size:13.5px;color:var(--t-3);margin-bottom:12px;}
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,780px);padding-top:36px;}
  .toc-card{display:none;}
}

/* ---------- prose ---------- */
.prose{
  font-size:17px;line-height:1.9;color:var(--t-2);
  word-wrap:break-word;overflow-wrap:break-word;
}
.prose > * + *{margin-top:1.2em;}
.prose p{margin-bottom:0;}
.prose h2{
  position:relative;
  font-size:30px;line-height:1.4;color:var(--t-1);
  margin-top:2.4em;padding-left:18px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(79,209,255,.6);
}
.prose h3{font-size:22px;color:var(--t-1);margin-top:1.9em;}
.prose h4{font-size:18px;color:var(--t-1);margin-top:1.6em;}
.prose ul,.prose ol{padding-left:4px;}
.prose ul li,.prose ol li{position:relative;padding-left:24px;margin-bottom:.55em;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(79,209,255,.75);
}
.prose ol{counter-reset:olc;}
.prose ol li{counter-increment:olc;}
.prose ol li::before{
  content:counter(olc);
  position:absolute;left:0;top:.15em;
  width:19px;height:19px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:11.5px;font-weight:700;color:var(--primary);
  background:rgba(79,209,255,.12);border:1px solid rgba(79,209,255,.3);
}
.prose blockquote{
  margin:1.8em 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  background:var(--bg-2);border-radius:0 12px 12px 0;
  color:var(--t-2);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose a{color:var(--primary);border-bottom:1px solid rgba(79,209,255,.35);}
.prose a:hover{border-bottom-color:var(--primary);}
.prose strong{color:var(--t-1);font-weight:700;}
.prose img{border-radius:var(--r-img);margin:1.6em 0;width:100%;height:auto;}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;padding:2px 7px;border-radius:6px;
  background:var(--bg-2);color:#9EE6FF;border:1px solid rgba(140,200,255,.16);
}
.prose pre{
  background:var(--bg-2);border:1px solid var(--glass-line);border-radius:12px;
  padding:18px 20px;overflow-x:auto;margin:1.6em 0;
}
.prose pre code{background:none;border:0;padding:0;color:var(--t-1);}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px;display:block;overflow-x:auto;}
.prose table th,.prose table td{padding:12px 14px;border-bottom:1px solid rgba(140,200,255,.14);text-align:left;}
.prose table th{background:var(--bg-2);color:var(--t-1);font-weight:700;}
.prose table tr:last-child td{border-bottom:0;}
.prose hr{border:0;height:1px;background:rgba(140,200,255,.18);margin:2.4em 0;}
@media (max-width:640px){
  .prose{font-size:16px;}
  .prose h2{font-size:23px;padding-left:14px;}
  .prose h3{font-size:19px;}
}

/* ---------- empty state ---------- */
.empty{
  padding:64px 28px;text-align:center;
  border-radius:var(--r-card);border:1px dashed rgba(140,200,255,.28);
  background:var(--glass);
}
.empty svg{margin:0 auto 18px;}
.empty h2{font-size:22px;margin-bottom:10px;}
.empty p{color:var(--t-3);font-size:15px;margin-bottom:22px;}

/* ---------- related ---------- */
.section{padding:96px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:32px;line-height:1.35;}
.section-head p{color:var(--t-3);font-size:14.5px;margin-top:10px;max-width:620px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:900px){.grid-3{grid-template-columns:1fr;}}
.rcard{
  display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rcard:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.5);box-shadow:0 22px 44px -26px rgba(79,209,255,.7);}
.rcard .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.4,0,.2,1);}
.rcard:hover .thumb img{transform:scale(1.04);}
.rcard .body{padding:20px;}
.rcard h3{font-size:18px;line-height:1.5;color:var(--t-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard .desc{margin-top:10px;font-size:14.5px;color:var(--t-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard .foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-3);}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:500;}
.arrow-link svg{transition:transform var(--ease);}
.arrow-link:hover svg{transform:translateX(4px);}

/* ---------- back links ---------- */
.back-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:40px;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:56px;}
@media (max-width:900px){.faq-wrap{grid-template-columns:1fr;gap:24px;}}
.faq-item{border:1px solid var(--glass-line);border-radius:12px;background:var(--glass);margin-bottom:12px;overflow:hidden;transition:border-color var(--ease);}
.faq-item:hover{border-color:rgba(79,209,255,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--t-1);text-align:left;
}
.faq-q .plus{position:relative;width:16px;height:16px;flex:none;}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform var(--ease);
}
.faq-q .plus::before{left:0;top:7px;width:16px;height:2px;}
.faq-q .plus::after{top:0;left:7px;width:2px;height:16px;}
.faq-item.is-open .faq-q .plus::after{transform:rotate(90deg) scaleX(0);}
.faq-a{padding:0 22px 20px;font-size:15.5px;color:var(--t-2);display:none;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- cta ---------- */
.cta-band{
  margin-top:96px;border-radius:20px;padding:44px;
  position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";position:absolute;inset:auto -80px -140px auto;width:420px;height:300px;
  background:radial-gradient(closest-side,rgba(255,176,32,.22),transparent);pointer-events:none;
}
.cta-band h2{font-size:30px;line-height:1.4;}
.cta-band p{color:var(--t-2);font-size:15.5px;margin-top:12px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
@media (max-width:768px){.cta-band{padding:30px 22px;margin-top:64px;}.cta-band h2{font-size:24px;}}

/* ---------- footer ---------- */
.site-footer{
  margin-top:112px;position:relative;
  border-top:1px solid rgba(140,200,255,.14);
  background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(6,10,18,.95));
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,209,255,.85),rgba(124,92,255,.6),transparent);
  box-shadow:0 0 16px rgba(79,209,255,.45);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 28px;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand p{margin-top:16px;font-size:14.5px;color:var(--t-3);max-width:320px;}
.footer-col h4{font-size:15px;color:var(--t-1);margin-bottom:16px;letter-spacing:.5px;}
.footer-col a,.footer-col li{display:block;font-size:14.5px;color:var(--t-3);margin-bottom:10px;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid rgba(140,200,255,.12);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--t-3);
}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:flex;align-items:center;gap:10px;
  padding:10px 12px 10px 20px;border-radius:var(--r-btn);
  background:rgba(11,18,32,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(79,209,255,.35);
  box-shadow:0 0 0 1px rgba(79,209,255,.2),0 18px 40px -18px rgba(79,209,255,.6);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta span{font-size:13.5px;color:var(--t-2);}
@media (max-width:768px){
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;border-left:0;border-right:0;border-bottom:0;
  }
  .float-cta span{display:none;}
  .float-cta .btn{flex:1;}
  .site-footer{margin-bottom:64px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --primary:#4FD1FF;
  --primary-2:#7C5CFF;
  --accent:#FFB020;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(140,200,255,.16);
  --glow:0 0 0 1px rgba(79,209,255,.35), 0 8px 40px -12px rgba(79,209,255,.45);
  --t-1:#E9F1FB;
  --t-2:#A9BAD2;
  --t-3:#6E8099;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --ease:cubic-bezier(.4,0,.2,1);
  --header-h:68px;
  --shadow-card:0 20px 44px -30px rgba(0,0,0,.95);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(600px 420px at 12% -6%, rgba(79,209,255,.07), transparent 70%),
    radial-gradient(680px 460px at 92% 4%, rgba(124,92,255,.07), transparent 72%);
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
h1,h2,h3,h4{font-weight:700;line-height:1.3;letter-spacing:-.2px}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
::selection{background:rgba(79,209,255,.3);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{position:relative;z-index:1;padding:104px 0}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;color:var(--primary);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),transparent)}
.section-title{font-size:34px;font-weight:800;letter-spacing:-.6px;margin-bottom:14px}
.section-desc{color:var(--t-2);font-size:16px;max-width:660px}
.glass{
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;color:var(--primary);
  font-size:14.5px;font-weight:600;transition:gap .25s var(--ease),color .25s var(--ease);
}
.link-arrow svg{transition:transform .25s var(--ease)}
.link-arrow:hover{gap:11px}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;white-space:nowrap;
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
.btn-md{height:44px;padding:0 22px;font-size:14.5px}
.btn-lg{height:52px;padding:0 30px;font-size:15.5px}
.btn-primary{
  color:#06121B;
  background:linear-gradient(135deg,#FFC košt 0%,#FFB020 0%,#FFA000 100%);
  background:linear-gradient(135deg,#FFCF66,#FFB020);
  box-shadow:0 0 0 1px rgba(255,176,32,.45),0 12px 34px -14px rgba(255,176,32,.7);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,176,32,.6),0 18px 40px -14px rgba(255,176,32,.8)}
.btn-ghost{
  color:var(--t-1);border:1px solid var(--glass-line);background:rgba(255,255,255,.03);
}
.btn-ghost:hover{border-color:rgba(79,209,255,.55);color:#fff;box-shadow:0 0 0 1px rgba(79,209,255,.25),0 10px 30px -16px rgba(79,209,255,.6);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;box-shadow:none;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;
  border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.2px;
  color:var(--primary);background:rgba(79,209,255,.12);border:1px solid rgba(79,209,255,.22);
}
.tag--violet{color:#B9A7FF;background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.26)}
.tag--amber{color:#FFCE7A;background:rgba(255,176,32,.13);border-color:rgba(255,176,32,.26)}
.tag--muted{color:var(--t-2);background:rgba(255,255,255,.05);border-color:var(--glass-line)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.94);
  border-bottom-color:var(--glass-line);
  box-shadow:0 14px 34px -26px rgba(79,209,255,.75);
}
.header-inner{display:flex;align-items:center;gap:26px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.4px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 0 1px rgba(79,209,255,.4),0 10px 26px -12px rgba(79,209,255,.75);
}
.logo small{display:block;font-size:10.5px;font-weight:500;letter-spacing:2.4px;color:var(--t-3);line-height:1.1;margin-top:1px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;font-size:15px;color:var(--t-2);
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.04)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(79,209,255,.85)}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--glass-line);background:rgba(255,255,255,.04);
  position:relative;
}
.burger span,.burger::before,.burger::after{
  content:"";position:absolute;left:11px;width:20px;height:1.8px;border-radius:2px;
  background:var(--t-1);transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.burger::before{top:14px}
.burger span{top:20px}
.burger::after{top:26px}
.burger[aria-expanded="true"]::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span{opacity:0}
.burger[aria-expanded="true"]::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 分类页通栏 Hero ---------- */
.cat-hero{
  position:relative;z-index:1;overflow:hidden;
  min-height:340px;display:flex;align-items:center;
  border-bottom:1px solid var(--glass-line);
  padding:56px 0;
}
.cat-hero-visual{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center 35%/cover no-repeat;
}
.cat-hero-visual::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 88% 18%, rgba(124,92,255,.20), transparent 70%),
    linear-gradient(100deg,rgba(6,10,18,.97) 0%,rgba(6,10,18,.88) 46%,rgba(6,10,18,.58) 100%);
}
.cat-hero-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t-3);margin-bottom:18px}
.crumb a{color:var(--t-2);transition:color .25s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb span{color:var(--t-3)}
.cat-hero h1{
  font-size:46px;font-weight:800;letter-spacing:-1px;line-height:1.18;max-width:760px;
  text-shadow:0 14px 40px rgba(0,0,0,.6);
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary),var(--primary-2) 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-lead{color:var(--t-2);font-size:17px;max-width:600px;margin-top:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- 侧栏 + 内容列 ---------- */
.layout-side{display:grid;grid-template-columns:320px minmax(0,1fr);gap:44px;align-items:start}
.side-col{display:grid;gap:20px;position:sticky;top:96px}
.side-nav{padding:22px;border-radius:var(--r-lg)}
.side-nav-title{font-size:13px;letter-spacing:2px;color:var(--t-3);font-weight:600;margin-bottom:14px}
.side-link{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  font-size:14.5px;color:var(--t-2);border-left:2px solid transparent;
  transition:color .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.side-link::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--t-3);flex-shrink:0;transition:background .25s var(--ease),box-shadow .25s var(--ease)}
.side-link:hover{color:#fff;background:rgba(255,255,255,.05);border-left-color:rgba(79,209,255,.4)}
.side-link.is-active{color:#fff;background:rgba(79,209,255,.09);border-left-color:var(--primary)}
.side-link.is-active::before{background:var(--primary);box-shadow:0 0 10px rgba(79,209,255,.9)}
.side-card{padding:24px;border-radius:var(--r-lg);box-shadow:var(--glow)}
.side-card h3{font-size:18px;margin-bottom:10px}
.side-card p{color:var(--t-2);font-size:14.5px;line-height:1.75;margin-bottom:18px}
.side-card .btn{width:100%}
.side-card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

.media-list{display:grid;gap:20px}
.media-card{
  display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;
  padding:20px;border-radius:var(--r-lg);border:1px solid var(--glass-line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.media-card:hover{
  transform:translateY(-4px);
  border-color:rgba(79,209,255,.45);
  box-shadow:0 26px 54px -32px rgba(79,209,255,.75);
}
.media-thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2)}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.media-card:hover .media-thumb img{transform:scale(1.04)}
.media-body{display:flex;flex-direction:column;justify-content:center;gap:10px;min-width:0}
.media-title{font-size:20px;font-weight:700}
.media-text{color:var(--t-2);font-size:15px;line-height:1.75}
.media-foot{margin-top:4px}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-line);
  background:var(--glass-line);
}
.stat-item{background:rgba(11,18,32,.88);padding:28px 22px;text-align:left}
.stat-num{font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--primary);line-height:1.1}
.stat-num small{font-size:15px;font-weight:600;margin-left:3px;color:var(--t-2)}
.stat-label{margin-top:8px;font-size:14px;color:var(--t-2)}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow}
.flow-item{
  position:relative;padding:26px 22px 24px;border-radius:var(--r-lg);
  border:1px solid var(--glass-line);background:rgba(11,18,32,.7);overflow:hidden;
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.flow-item::before{
  content:attr(data-step);position:absolute;right:12px;top:2px;
  font-size:56px;font-weight:800;line-height:1;color:rgba(79,209,255,.10);
}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.4)}
.flow-title{font-size:17.5px;font-weight:700;margin-bottom:8px;position:relative}
.flow-text{color:var(--t-2);font-size:14.5px;line-height:1.72;position:relative}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-line);
  background:rgba(11,18,32,.7);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.45);box-shadow:0 26px 52px -34px rgba(79,209,255,.8)}
.scene-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.scene-card:hover .scene-thumb img{transform:scale(1.04)}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-title{font-size:18px;font-weight:700}
.scene-text{color:var(--t-2);font-size:14.8px;line-height:1.76}
.scene-list{margin-top:auto;padding-top:14px;border-top:1px solid var(--glass-line);display:grid;gap:8px}
.scene-list li{display:flex;gap:9px;font-size:14px;color:var(--t-2)}
.scene-list svg{flex-shrink:0;margin-top:5px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  border:1px solid var(--glass-line);border-radius:14px;overflow:hidden;
  background:rgba(255,255,255,.03);transition:border-color .25s var(--ease),background .25s var(--ease);
}
.faq-item[open]{background:rgba(17,26,43,.92);border-color:rgba(79,209,255,.32)}
.faq-q{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;font-size:17px;font-weight:600;cursor:pointer;
}
.faq-q::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;width:22px;height:22px;flex-shrink:0;border-radius:50%;
  border:1px solid rgba(79,209,255,.35);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:5px;top:10px;width:10px;height:1.6px;border-radius:2px;
  background:var(--primary);transition:transform .25s var(--ease);
}
.faq-icon::after{transform:rotate(90deg)}
.faq-item[open] .faq-icon::after{transform:rotate(0)}
.faq-item[open] .faq-icon{background:rgba(79,209,255,.14);box-shadow:0 0 14px -2px rgba(79,209,255,.55)}
.faq-a{padding:0 24px 22px;color:var(--t-2);font-size:15.5px;line-height:1.85;max-width:820px}

/* ---------- 尾部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;padding:44px 46px;
  border:1px solid rgba(79,209,255,.28);
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.20),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:29px;font-weight:800;letter-spacing:-.5px}
.cta-band p{color:var(--t-2);font-size:15.5px;margin-top:10px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:40px;
  background:linear-gradient(180deg,rgba(6,10,18,.4),rgba(11,18,32,.95));
  border-top:1px solid transparent;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,209,255,.65),rgba(124,92,255,.5),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;
}
.footer-brand p{color:var(--t-2);font-size:14.5px;line-height:1.8;margin-top:18px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-col-title{font-size:14px;font-weight:700;letter-spacing:.6px;color:var(--t-1);margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{color:var(--t-2);font-size:14.5px;transition:color .25s var(--ease),transform .25s var(--ease);display:inline-block}
.footer-links a:hover{color:var(--primary);transform:translateX(3px)}
.footer-contact{color:var(--t-2);font-size:14.5px;line-height:1.9}
.footer-contact strong{color:var(--t-1);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding:22px 0 30px;border-top:1px solid var(--glass-line);
  font-size:13.5px;color:var(--t-3);
}
.footer-bottom a{color:var(--t-2)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 移动端底部转化条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,10,18,.94);backdrop-filter:blur(14px);
  border-top:1px solid var(--glass-line);
  transform:translateY(110%);transition:transform .3s var(--ease);
}
.mobile-bar.is-show{transform:translateY(0)}
.mobile-bar-inner{display:flex;align-items:center;gap:12px}
.mobile-bar-inner .btn{flex:1}
.mobile-bar-inner .btn-ghost{flex:0 0 40%}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .layout-side{grid-template-columns:280px minmax(0,1fr);gap:32px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:84px 0}
  .section-title{font-size:30px}
  .cat-hero h1{font-size:38px}
  .layout-side{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:22px 24px 34px;
    background:rgba(6,10,18,.985);
    border-bottom:1px solid var(--glass-line);
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease);
  }
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{font-size:18px;padding:15px 8px;border-bottom:1px solid rgba(140,200,255,.09)}
  .nav-link::after{left:8px;right:auto;width:16px;bottom:8px}
  .nav-link:hover::after{transform:scaleX(1)}
  .burger{display:block}
  .header-cta .btn-ghost{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:68px 0}
  .section-head{margin-bottom:34px}
  .section-title{font-size:26px}
  .cat-hero{min-height:auto;padding:44px 0 52px}
  .cat-hero h1{font-size:32px}
  .cat-hero-lead{font-size:16px}
  .hero-actions .btn-lg{height:48px;font-size:15px;padding:0 22px}
  .media-card{grid-template-columns:minmax(0,1fr);gap:16px;padding:16px}
  .media-thumb{aspect-ratio:16/9}
  .media-body{justify-content:flex-start}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;gap:22px}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:52px 0 30px}
  .mobile-bar{display:block}
  .site-footer{padding-bottom:78px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{gap:14px}
  .logo{font-size:17px}
  .logo small{display:none}
  .stat-strip{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a{padding:0 18px 18px;font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cat-hero h1{font-size:28px}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --primary:#4FD1FF;
  --primary-2:#7C5CFF;
  --accent:#FFB020;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(140,200,255,.16);
  --glow:0 0 0 1px rgba(79,209,255,.35), 0 8px 40px -12px rgba(79,209,255,.45);
  --t-1:#E9F1FB;
  --t-2:#A9BAD2;
  --t-3:#6E8099;
  --radius:16px;
  --radius-sm:12px;
  --tr:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.4px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(79,209,255,.32);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0;scroll-margin-top:88px}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.4px;color:#8FD9F5;
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,transparent,var(--primary))}
.section-head{max-width:720px;margin-bottom:44px}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:14px}
.section-desc{color:var(--t-2);font-size:16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(6,10,18,.72);
  border-bottom:1px solid transparent;
  transition:var(--tr);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.94);
  border-bottom-color:rgba(79,209,255,.28);
  box-shadow:0 12px 34px -24px rgba(79,209,255,.8);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px;letter-spacing:-.3px;white-space:nowrap}
.logo>span:last-child{display:flex;flex-direction:column;line-height:1.15}
.logo small{font-size:11px;font-weight:500;color:var(--t-3);letter-spacing:.6px;margin-top:3px}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 22px -10px rgba(79,209,255,.95);flex:none;
}
.nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:9px 14px;font-size:15px;color:var(--t-2);
  border-radius:10px;transition:var(--tr);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);transform-origin:left;transition:var(--tr);
}
.nav-link:hover{color:var(--t-1);background:rgba(79,209,255,.06)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#FFFFFF;font-weight:600}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 14px rgba(79,209,255,.85)}
.header-cta{display:flex;align-items:center;gap:10px}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--glass-line);background:var(--glass);
  place-items:center;transition:var(--tr);
}
.burger:hover{border-color:rgba(79,209,255,.5)}
.burger span{display:block;width:18px;height:2px;background:var(--t-1);border-radius:2px;position:relative;transition:var(--tr)}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-1);
  border-radius:2px;transition:var(--tr);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger.is-open span{background:transparent}
.burger.is-open span::before{transform:rotate(45deg);top:0}
.burger.is-open span::after{transform:rotate(-45deg);top:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:600;border:1px solid transparent;
  transition:var(--tr);white-space:nowrap;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-md{height:44px;padding:0 20px;font-size:15px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-primary{
  background:linear-gradient(120deg,var(--accent),#FFD166);
  color:#1C1303;
  box-shadow:0 12px 30px -14px rgba(255,176,32,.9);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 40px -12px rgba(255,176,32,.95)}
.btn-ghost{
  border-color:var(--glass-line);color:var(--t-1);background:var(--glass);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:rgba(79,209,255,.55);color:#fff;box-shadow:0 0 24px -10px rgba(79,209,255,.9)}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

/* ---------- page head ---------- */
.page-head{position:relative;overflow:hidden;padding:56px 0 44px;border-bottom:1px solid rgba(140,200,255,.1)}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  opacity:.24;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(58% 80% at 12% 0%,rgba(79,209,255,.20),transparent 62%),
    radial-gradient(52% 70% at 92% 18%,rgba(124,92,255,.20),transparent 66%),
    linear-gradient(180deg,rgba(6,10,18,.55),var(--bg-0));
}
.page-head .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--t-2);transition:var(--tr)}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{color:rgba(110,128,153,.6)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:36px}
.head-main{max-width:720px}
.page-title{
  font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.8px;
  margin-bottom:16px;
}
.page-title em{
  font-style:normal;
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{color:var(--t-2);font-size:17px;max-width:620px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 12px;
  border-radius:999px;font-size:13px;color:#A9DCF3;
  background:rgba(79,209,255,.10);border:1px solid rgba(79,209,255,.24);
  transition:var(--tr);
}
.tag:hover{border-color:rgba(79,209,255,.6);color:#E6F8FF}
.pill-switch{display:flex;flex-direction:column;gap:10px;flex:none}
.pill-switch .switch-label{font-size:13px;color:var(--t-3)}
.switch-pills{display:flex;flex-direction:column;gap:8px}
.switch-pill{
  display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;
  border-radius:999px;border:1px solid var(--glass-line);background:var(--glass);
  color:var(--t-2);font-size:14.5px;transition:var(--tr);backdrop-filter:blur(10px);
}
.switch-pill:hover{color:#fff;border-color:rgba(79,209,255,.5);transform:translateX(-2px)}
.switch-pill.is-active{
  background:rgba(79,209,255,.14);border-color:rgba(79,209,255,.6);color:#E6F8FF;
  box-shadow:0 0 26px -10px rgba(79,209,255,.95);
}
.switch-pill i{width:6px;height:6px;border-radius:50%;background:var(--t-3);flex:none}
.switch-pill.is-active i{background:var(--primary);box-shadow:0 0 10px var(--primary)}

/* ---------- filter ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:34px}
.chip{
  height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--glass-line);background:var(--glass);
  color:var(--t-2);font-size:14px;transition:var(--tr);
}
.chip:hover{color:var(--t-1);border-color:rgba(79,209,255,.45);transform:translateY(-1px)}
.chip.is-active{
  background:rgba(79,209,255,.15);border-color:rgba(79,209,255,.62);color:#E6F8FF;
  box-shadow:0 0 24px -10px rgba(79,209,255,.95);
}
.filter-count{margin-left:auto;font-size:13.5px;color:var(--t-3)}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(180deg,var(--bg-1),rgba(11,18,32,.75));
  border:1px solid var(--glass-line);border-radius:var(--radius);
  transition:var(--tr);
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  pointer-events:none;opacity:0;transition:var(--tr);
  box-shadow:inset 0 0 0 1px rgba(79,209,255,.45),0 22px 50px -30px rgba(79,209,255,.9);
}
.card:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.42)}
.card:hover::after{opacity:1}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.4,0,.2,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.05) 40%,rgba(6,10,18,.72));
}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  display:inline-flex;align-items:center;width:fit-content;
  height:26px;padding:0 10px;border-radius:6px;font-size:12.5px;letter-spacing:.3px;
  background:rgba(79,209,255,.12);color:#9FE4FF;border:1px solid rgba(79,209,255,.22);
}
.badge-purple{background:rgba(124,92,255,.14);color:#C7B7FF;border-color:rgba(124,92,255,.28)}
.badge-amber{background:rgba(255,176,32,.13);color:#FFD08A;border-color:rgba(255,176,32,.28)}
.card-title{font-size:19px;font-weight:700;line-height:1.45}
.card-text{color:var(--t-2);font-size:15px;line-height:1.85}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;
  color:var(--primary);font-size:14px;font-weight:600;transition:var(--tr);
}
.link-arrow svg{transition:transform var(--tr)}
.card:hover .link-arrow svg{transform:translateX(4px)}
.card.is-hidden{display:none}
.empty-state{
  display:none;flex-direction:column;align-items:center;gap:14px;
  padding:64px 24px;border:1px dashed rgba(140,200,255,.28);border-radius:var(--radius);
  background:rgba(11,18,32,.6);text-align:center;color:var(--t-2);
}
.empty-state.is-visible{display:flex}

/* ---------- process ---------- */
.process-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:var(--bg-1);border:1px solid var(--glass-line);
  transition:var(--tr);overflow:hidden;
}
.step:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.42)}
.step-num{
  font-size:44px;font-weight:800;line-height:1;
  color:rgba(79,209,255,.20);letter-spacing:-2px;margin-bottom:14px;
}
.step-title{font-size:17px;font-weight:700;margin-bottom:10px}
.step-text{font-size:14px;color:var(--t-2);line-height:1.8}
.step::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
  transform:scaleX(.25);transform-origin:left;transition:var(--tr);
}
.step:hover::after{transform:scaleX(1)}

/* ---------- stats ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  border:1px solid var(--glass-line);border-radius:var(--radius);
  background:var(--glass-line);overflow:hidden;
  backdrop-filter:blur(14px);
}
.stat{background:rgba(11,18,32,.9);padding:28px 24px;display:flex;flex-direction:column;gap:6px;transition:var(--tr)}
.stat:hover{background:rgba(17,26,43,.95)}
.stat-value{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:-.5px}
.stat-value small{font-size:13px;font-weight:500;color:var(--t-3);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--t-2)}

/* ---------- quote ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.quote{
  padding:28px 28px 26px;border-radius:var(--radius);
  background:var(--bg-1);border:1px solid var(--glass-line);
  border-left:3px solid rgba(79,209,255,.7);transition:var(--tr);
}
.quote:hover{border-left-color:var(--primary);box-shadow:0 0 30px -18px rgba(79,209,255,.9)}
.quote p{color:var(--t-2);font-size:15.5px;line-height:1.9}
.quote footer{margin-top:18px;font-size:13.5px;color:var(--t-3)}
.quote footer strong{color:var(--t-1);font-weight:600;margin-right:8px}
.logo-wall{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:1px;
  margin-top:26px;border:1px solid rgba(140,200,255,.12);border-radius:var(--radius);
  background:rgba(140,200,255,.12);overflow:hidden;
}
.logo-wall span{
  background:rgba(11,18,32,.85);padding:20px 12px;text-align:center;
  font-size:13.5px;color:rgba(169,186,210,.62);transition:var(--tr);
}
.logo-wall span:hover{color:rgba(233,241,251,.9);background:rgba(17,26,43,.9)}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--glass-line);border-radius:var(--radius);
  background:var(--bg-1);overflow:hidden;transition:var(--tr);
}
.faq-item.is-open{border-color:rgba(79,209,255,.42);background:rgba(17,26,43,.85)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--t-1);
  transition:var(--tr);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:8px;position:relative;
  border:1px solid rgba(140,200,255,.3);transition:var(--tr);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);
  border-radius:2px;transform:translate(-50%,-50%);transition:var(--tr);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(135deg);border-color:rgba(79,209,255,.7)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.4,0,.2,1)}
.faq-a-inner{padding:0 24px 22px;color:var(--t-2);font-size:15.5px;line-height:1.9}

/* ---------- cta / form ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:22px;
  border:1px solid var(--glass-line);
  background:linear-gradient(140deg,rgba(17,26,43,.95),rgba(11,18,32,.92));
  backdrop-filter:blur(16px);
  display:grid;grid-template-columns:1fr 1fr;gap:40px;
  padding:48px;
}
.cta-panel::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(255,176,32,.16),transparent 68%);
  pointer-events:none;
}
.cta-panel::after{
  content:"";position:absolute;width:380px;height:380px;left:-140px;bottom:-180px;
  background:radial-gradient(circle,rgba(79,209,255,.14),transparent 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;display:flex;flex-direction:column;gap:16px;justify-content:center}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.cta-copy p{color:var(--t-2);font-size:15.5px}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--t-2)}
.cta-points svg{flex:none;margin-top:5px}
.cta-form{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--t-3)}
.field input,.field select,.field textarea{
  height:48px;border-radius:var(--radius-sm);border:1px solid var(--glass-line);
  background:var(--bg-2);padding:0 14px;font-size:15px;color:var(--t-1);
  transition:var(--tr);width:100%;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(110,128,153,.75)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(79,209,255,.75);
  box-shadow:0 0 0 3px rgba(79,209,255,.16);
}
.form-note{grid-column:1/-1;font-size:12.5px;color:var(--t-3)}
.form-msg{
  grid-column:1/-1;font-size:14px;color:#9FE4FF;
  background:rgba(79,209,255,.1);border:1px solid rgba(79,209,255,.3);
  border-radius:10px;padding:10px 14px;display:none;
}
.form-msg.is-visible{display:block}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:24px;
  border-top:1px solid rgba(140,200,255,.14);
  background:linear-gradient(180deg,rgba(11,18,32,.92),var(--bg-0));
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,209,255,.75),rgba(124,92,255,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand p{color:var(--t-2);font-size:14.5px;margin-top:16px;max-width:320px}
.footer-contact{margin-top:18px;font-size:14px;color:var(--t-2)}
.footer-contact a{color:var(--primary)}
.footer-contact a:hover{text-decoration:underline}
.footer-title{font-size:14px;font-weight:700;color:var(--t-1);margin-bottom:16px;letter-spacing:.3px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--t-2);transition:var(--tr);width:fit-content}
.footer-links a:hover{color:var(--primary);transform:translateX(3px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;border-top:1px solid rgba(140,200,255,.1);
  font-size:13px;color:var(--t-3);
}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:flex;align-items:center;gap:12px;
  padding:10px 10px 10px 20px;border-radius:999px;
  background:rgba(11,18,32,.86);border:1px solid rgba(79,209,255,.4);
  backdrop-filter:blur(14px);
  box-shadow:0 0 0 1px rgba(79,209,255,.2),0 20px 44px -22px rgba(79,209,255,.85);
  opacity:0;transform:translateY(14px);pointer-events:none;transition:var(--tr);
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta-text{font-size:14px;color:var(--t-2)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .section{padding:76px 0}
  .process-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .logo-wall{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{grid-template-columns:1fr;padding:36px}
}
@media (max-width:960px){
  .container{padding:0 20px}
  .burger{display:grid}
  .header-cta .btn-ghost{display:none}
  .nav{
    position:fixed;left:0;right:0;top:68px;bottom:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:22px 20px 40px;overflow-y:auto;
    background:rgba(6,10,18,.98);backdrop-filter:blur(18px);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:var(--tr);
  }
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{font-size:17px;width:100%;padding:14px 10px;border-radius:12px;color:var(--t-1)}
  .nav-link::after{left:10px;right:auto;width:24px;bottom:8px}
  .head-row{flex-direction:column;align-items:flex-start;gap:28px}
  .switch-pills{flex-direction:row;flex-wrap:wrap}
  .card-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .page-head{padding:40px 0 34px}
  .process-grid{grid-template-columns:1fr}
  .logo-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-form{grid-template-columns:1fr}
  .cta-panel{padding:28px 20px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .float-cta{
    left:12px;right:12px;bottom:12px;border-radius:16px;
    padding:10px 12px;justify-content:space-between;
  }
  .float-cta-text{display:none}
  .float-cta .btn{flex:1}
  .filter-count{display:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A12;--bg-1:#0B1220;--bg-2:#111A2B;
  --primary:#4FD1FF;--primary-2:#7C5CFF;--accent:#FFB020;
  --glass:rgba(255,255,255,.06);--glass-line:rgba(140,200,255,.16);
  --glow:0 0 0 1px rgba(79,209,255,.35),0 8px 40px -12px rgba(79,209,255,.45);
  --t-1:#E9F1FB;--t-2:#A9BAD2;--t-3:#6E8099;
  --r-card:16px;--r-btn:999px;--r-img:14px;
  --shadow-card:0 18px 44px -26px rgba(0,0,0,.95);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg-0);color:var(--t-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.8;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(760px 460px at 8% -6%,rgba(79,209,255,.08),transparent 70%),
    radial-gradient(700px 460px at 96% 12%,rgba(124,92,255,.08),transparent 72%);
}
main,header,footer{position:relative;z-index:1;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease),opacity .25s var(--ease);}
img{display:block;max-width:100%;height:auto;}
button,input,textarea{font:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
::selection{background:rgba(79,209,255,.3);color:#fff;}

.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:32px;}
.header-inner.container,main .container,footer .container{max-width:1200px;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,10,18,.92);border-bottom-color:var(--glass-line);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:68px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 20px -4px rgba(79,209,255,.65);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;font-size:16px;font-weight:800;letter-spacing:-.3px;}
.logo-text small{font-size:11px;font-weight:500;color:var(--t-3);letter-spacing:.6px;}
.nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--t-2);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--t-1);background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t-1);background:rgba(79,209,255,.08);}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(79,209,255,.75);}
.header-cta{display:flex;align-items:center;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-weight:600;letter-spacing:.2px;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),filter .25s var(--ease);
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-md{height:44px;padding:0 20px;font-size:15px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary{
  background:linear-gradient(135deg,#FFC85C,#FF9F14);color:#1A1206;
  box-shadow:0 12px 32px -14px rgba(255,176,32,.9);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 16px 40px -14px rgba(255,176,32,.95);}
.btn-ghost{border-color:var(--glass-line);color:var(--t-2);background:rgba(255,255,255,.03);}
.btn-ghost:hover{color:#fff;border-color:rgba(79,209,255,.55);box-shadow:var(--glow);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;}

/* ---------- 移动端抽屉 ---------- */
.burger{
  display:none;position:relative;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--glass-line);background:rgba(255,255,255,.03);
}
.burger span{position:absolute;left:50%;top:50%;width:18px;height:2px;border-radius:2px;background:var(--t-1);transform:translate(-50%,-50%);transition:.25s var(--ease);}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--t-1);transition:.25s var(--ease);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger.is-active span{background:transparent;}
.burger.is-active span::before{top:0;transform:rotate(45deg);}
.burger.is-active span::after{top:0;transform:rotate(-45deg);}
.mobile-drawer{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:55;
  padding:20px;display:flex;flex-direction:column;gap:4px;
  background:rgba(6,10,18,.97);backdrop-filter:blur(16px);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease);
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none;}
.mobile-drawer a{
  font-size:18px;padding:15px 14px;border-radius:12px;color:var(--t-2);
  border-bottom:1px solid rgba(140,200,255,.08);
}
.mobile-drawer a.is-active{color:#fff;background:rgba(79,209,255,.08);}
.mobile-drawer .drawer-cta{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.mobile-drawer .drawer-cta .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.crumbs{padding-top:26px;font-size:13px;color:var(--t-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs a:hover{color:var(--primary);}
.crumbs span[aria-current]{color:var(--t-2);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:56px 0 84px;
  background-image:
    radial-gradient(900px 420px at 12% 0%,rgba(79,209,255,.16),transparent 70%),
    radial-gradient(760px 440px at 90% 18%,rgba(124,92,255,.16),transparent 72%),
    linear-gradient(180deg,rgba(6,10,18,.86),rgba(6,10,18,.97)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover,cover,cover;
  background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,209,255,.5),rgba(124,92,255,.4),transparent);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:52px;align-items:center;margin-top:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;
  color:var(--primary);background:rgba(79,209,255,.12);
  border:1px solid rgba(79,209,255,.22);
}
.hero-title{
  margin-top:22px;font-size:clamp(30px,4.2vw,56px);line-height:1.22;font-weight:800;letter-spacing:-.5px;
}
.hero-title em{font-style:normal;background:linear-gradient(120deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:18px;font-size:17px;color:var(--t-2);max-width:560px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:6px;
  font-size:13px;color:var(--t-2);background:rgba(255,255,255,.05);
  border:1px solid var(--glass-line);
}
.tag svg{flex-shrink:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{margin-top:16px;font-size:13px;color:var(--t-3);}
.hero-visual{position:relative;border-radius:20px;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;
  border:1px solid var(--glass-line);box-shadow:var(--shadow-card);
}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;width:min(300px,88%);
  padding:16px 18px;border-radius:16px;
  background:rgba(11,18,32,.82);backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);box-shadow:var(--shadow-card);
}
.hf-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 0;}
.hf-item + .hf-item{border-top:1px solid rgba(140,200,255,.1);}
.hf-k{font-size:13px;color:var(--t-3);}
.hf-v{font-size:14px;font-weight:600;color:var(--primary);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.3;font-weight:800;letter-spacing:-.5px;}
.section-head p{margin-top:16px;color:var(--t-2);font-size:16px;}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;}

/* ---------- 数据条 ---------- */
.stat-strip{
  border-radius:24px;border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(17,26,43,.9),rgba(11,18,32,.86));
  padding:28px;position:relative;overflow:hidden;
}
.stat-strip::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(500px 240px at 100% 0%,rgba(255,176,32,.09),transparent 70%);
}
.stat-item{padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid rgba(140,200,255,.1);}
.stat-item h3{font-size:16px;font-weight:700;color:var(--primary);}
.stat-item p{margin-top:8px;font-size:14px;color:var(--t-2);line-height:1.75;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:56px;}
.timeline::before{
  content:"";position:absolute;left:18px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,transparent,rgba(79,209,255,.6) 10%,rgba(124,92,255,.6) 88%,transparent);
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-47px;top:24px;width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#8FE4FF,#4FD1FF 45%,#7C5CFF);
  box-shadow:0 0 0 4px rgba(79,209,255,.12),0 0 22px rgba(79,209,255,.7);
}
.tl-card{
  position:relative;padding:24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(8px);box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.45);box-shadow:var(--glow);}
.tl-num{
  position:absolute;right:20px;top:8px;font-size:52px;font-weight:800;line-height:1;
  color:rgba(79,209,255,.12);letter-spacing:-2px;pointer-events:none;
}
.tl-card h3{font-size:20px;font-weight:700;letter-spacing:-.2px;}
.tl-card p{margin-top:12px;color:var(--t-2);font-size:15px;max-width:760px;}
.tl-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.tl-points li{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--t-2);
  padding:5px 12px;border-radius:999px;background:rgba(79,209,255,.08);
  border:1px solid rgba(79,209,255,.16);
}
.dot-check{width:14px;height:14px;flex-shrink:0;}

/* ---------- 横向卡片 ---------- */
.rail-wrap{position:relative;}
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;scrollbar-width:thin;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(79,209,255,.28);border-radius:6px;}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;border-radius:var(--r-card);overflow:hidden;
  background:var(--bg-1);border:1px solid var(--glass-line);box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  cursor:pointer;
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(79,209,255,.45);box-shadow:var(--glow);}
.rail-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.rail-card:hover img{transform:scale(1.04);}
.rail-body{padding:20px;}
.rail-body h3{font-size:17px;font-weight:700;}
.rail-body p{margin-top:10px;font-size:14px;color:var(--t-2);line-height:1.78;}
.rail-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;color:var(--primary);}
.rail-hint{font-size:13px;color:var(--t-3);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:52px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.32;letter-spacing:-.4px;}
.faq-aside p{margin-top:16px;color:var(--t-2);font-size:15px;}
.faq-aside .btn{margin-top:24px;}
.faq-item{
  border:1px solid var(--glass-line);border-radius:14px;background:var(--glass);
  margin-bottom:12px;overflow:hidden;transition:border-color .25s var(--ease),background-color .25s var(--ease);
}
.faq-item.is-open{border-color:rgba(79,209,255,.42);background:rgba(11,18,32,.7);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:600;text-align:left;color:var(--t-1);
}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;transform:translate(-50%,-50%);}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:transform .25s var(--ease),opacity .25s var(--ease);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 20px 20px;font-size:15px;color:var(--t-2);}
.faq-item.is-open .faq-a{max-height:300px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:48px;
  border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(17,26,43,.92),rgba(11,18,32,.9));
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;left:-10%;bottom:-70%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.16),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.32;letter-spacing:-.4px;}
.cta-band p{margin-top:14px;color:var(--t-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}
.cta-actions .cta-meta{font-size:13px;color:var(--t-3);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:24px;padding-top:64px;background:var(--bg-1);
  border-top:1px solid rgba(140,200,255,.12);position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,209,255,.55),rgba(124,92,255,.45),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--t-2);max-width:320px;}
.footer-col h3{font-size:14px;font-weight:700;color:var(--t-1);letter-spacing:.4px;margin-bottom:16px;}
.footer-col li + li{margin-top:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--t-2);}
.footer-col a:hover{color:var(--primary);}
.footer-badge{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:12px;
  padding:5px 11px;border-radius:999px;color:var(--primary);
  background:rgba(79,209,255,.1);border:1px solid rgba(79,209,255,.2);
}
.footer-bottom{
  margin-top:48px;padding:20px 0 30px;border-top:1px solid rgba(140,200,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--t-3);
}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 悬浮转化条 ---------- */
.sticky-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:10px;padding:10px;
  border-radius:999px;background:rgba(11,18,32,.86);
  backdrop-filter:blur(14px);border:1px solid var(--glass-line);
  box-shadow:var(--glow);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease);
}
.sticky-cta.is-show{opacity:1;visibility:visible;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav{display:none;}
  .burger{display:block;}
  .header-cta .btn-ghost{display:none;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:44px;}
  .hero-visual{order:2;}
  .hero-float{left:auto;right:16px;bottom:-18px;position:relative;margin:-38px 0 0 auto;width:min(320px,92%);}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .cta-band{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:40px;}
}
@media (max-width:768px){
  .container{padding-inline:20px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .page-hero{padding:36px 0 64px;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:16px;}
  .stat-strip{padding:18px;}
  .timeline{padding-left:38px;}
  .timeline::before{left:11px;}
  .tl-dot{left:-38px;top:22px;width:18px;height:18px;}
  .tl-card{padding:20px;}
  .tl-num{font-size:40px;right:16px;}
  .cta-band{padding:30px 22px;}
}
@media (max-width:640px){
  .header-inner{height:62px;}
  .mobile-drawer{top:62px;}
  .sticky-cta{
    left:0;right:0;bottom:0;border-radius:0;padding:8px 14px;
    justify-content:space-between;transform:translateY(100%);
  }
  .sticky-cta.is-show{transform:none;}
  .sticky-cta .btn-primary{flex:2;}
  .sticky-cta .btn-ghost{flex:1;}
  body{padding-bottom:72px;}
  .hero-actions .btn{width:100%;}
  .rail-card{flex:0 0 78%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:420px){
  .hero-title{font-size:29px;}
  .logo-text{font-size:15px;}
  .logo-text small{display:none;}
}