/* roulang page: index */
:root{
  --bg-0:#0A1018;
  --bg-1:#0E1724;
  --bg-2:#13202F;
  --line:rgba(120,180,200,.14);
  --line-a:rgba(31,197,178,.35);
  --brand:#1FC5B2;
  --brand-d:#12A192;
  --accent:#F0A95C;
  --t1:#E9F1F6;
  --t2:#9FB1C2;
  --t3:#6D8296;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-h:0 16px 40px rgba(0,0,0,.45);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background-color:var(--bg-0);
  background-image:
    linear-gradient(rgba(120,180,200,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,180,200,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.28;letter-spacing:-.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.3px;color:var(--brand);
  border:1px solid var(--line-a);border-radius:999px;padding:6px 14px;
  background:rgba(31,197,178,.06);
}
.eyebrow-line{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:1.2px;color:var(--accent);
  margin-bottom:14px;
}
.eyebrow-line::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;display:block;}
.section-title{font-size:clamp(26px,3.2vw,36px);line-height:1.25;}
.section-desc{max-width:680px;margin-top:16px;color:var(--t2);font-size:16px;line-height:1.85;}
.section-head{margin-bottom:48px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,16,24,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;gap:20px;
  height:74px;max-width:var(--maxw);margin:0 auto;padding:0 24px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand),var(--brand-d));
  color:#062521;flex:0 0 auto;
}
.logo-mark svg{width:17px;height:17px;display:block;}
.logo-text{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.logo-main{font-size:18px;font-weight:800;color:var(--t1);letter-spacing:.4px;}
.logo-chip{
  font-size:11px;font-weight:600;letter-spacing:.6px;color:var(--brand);
  border:1px solid var(--line-a);border-radius:999px;padding:2px 9px;
  line-height:1.6;
}
.nav-chips{
  display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center;
  border:1px solid var(--line);border-radius:999px;padding:4px;
  background:rgba(255,255,255,.02);
  overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  font-size:14px;font-weight:500;color:var(--t2);
  padding:8px 16px;border-radius:999px;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--t1);background:rgba(31,197,178,.08);}
.chip.active{
  background:var(--brand);color:#062521;font-weight:700;
  box-shadow:0 0 0 1px rgba(31,197,178,.35),0 6px 18px rgba(31,197,178,.24);
}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--brand);color:#062521;font-size:14px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 8px 24px rgba(31,197,178,.35);color:#062521;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);color:var(--t1);
  align-items:center;justify-content:center;font-size:16px;
}
.mobile-panel{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(6,10,16,.6);
}
.mobile-panel.is-open{display:block;}
.mobile-inner{
  position:absolute;top:0;right:0;width:min(320px,84vw);height:100%;
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:24px;display:flex;flex-direction:column;gap:8px;
  animation:slideIn .25s ease;
}
@keyframes slideIn{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.mobile-close{
  align-self:flex-end;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);color:var(--t1);display:flex;align-items:center;justify-content:center;
  margin-bottom:12px;
}
.mobile-inner a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--line);
  color:var(--t2);font-size:15px;min-height:44px;
}
.mobile-inner a.m-link:hover{color:var(--brand);}
.mobile-inner .m-cta{
  margin-top:20px;display:flex;align-items:center;justify-content:center;
  height:48px;border-radius:var(--r-btn);background:var(--brand);color:#062521;font-weight:700;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center right;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#0A1018 12%,rgba(10,16,24,.92) 42%,rgba(10,16,24,.62) 74%,rgba(10,16,24,.5) 100%);
}
.hero::after{
  content:"";position:absolute;left:-10%;top:-30%;width:70%;height:120%;
  background:radial-gradient(circle at 30% 40%,rgba(31,197,178,.10),transparent 62%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  padding-top:92px;padding-bottom:96px;
}
.hero-copy h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.18;font-weight:800;letter-spacing:-.5px;
  margin:22px 0 20px;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--t2);max-width:560px;}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--brand);color:#062521;}
.btn-primary:hover,.btn-primary:focus-visible{
  filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 8px 24px rgba(31,197,178,.35);color:#062521;
}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{background:transparent;border:1px solid rgba(159,177,194,.32);color:var(--t1);}
.btn-ghost:hover,.btn-ghost:focus-visible{border-color:var(--brand);color:var(--brand);background:rgba(31,197,178,.08);}
.btn-ghost:active{background:rgba(31,197,178,.14);}
.hero-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:28px;font-size:13px;font-weight:500;letter-spacing:.3px;color:var(--t3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--brand);font-size:11px;}
.wave{margin-top:26px;width:220px;height:22px;display:block;opacity:.55;}
.wave path{stroke:var(--brand);stroke-width:1.6;fill:none;stroke-linecap:round;}

.hero-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 26px 8px;
  background:rgba(19,32,47,.58);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.hc-head{
  display:flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:.6px;color:var(--t3);
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:6px;
}
.hc-head .dot{
  width:7px;height:7px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(31,197,178,.14);
}
.metric{padding:18px 0;border-bottom:1px solid var(--line);}
.metric:last-child{border-bottom:0;}
.metric-num{
  font-size:40px;font-weight:800;line-height:1.1;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.metric-unit{font-size:15px;font-weight:600;color:var(--accent);margin-left:4px;letter-spacing:0;}
.metric-label{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--t2);}

/* ---------- Entry bar ---------- */
.entry-wrap{padding-top:34px;padding-bottom:34px;}
.entry-bar{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  border:1px solid var(--line);border-radius:999px;
  background:var(--bg-1);padding:8px 10px;
}
.entry-label{
  font-size:12.5px;font-weight:600;letter-spacing:.8px;color:var(--t3);
  padding:0 14px;white-space:nowrap;
}
.entry-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;color:var(--t1);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.entry-item i{font-size:11px;color:var(--t3);transition:transform .2s ease,color .2s ease;}
.entry-item:hover,.entry-item:focus-visible{background:rgba(31,197,178,.1);color:var(--brand);border-color:var(--line-a);}
.entry-item:hover i{color:var(--brand);transform:translateX(3px);}
.entry-item:active{background:rgba(31,197,178,.16);}

/* ---------- Scale list ---------- */
.scale-list{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:8px;}
.scale-item{
  display:grid;grid-template-columns:56px 1fr;gap:8px;
  padding:26px 0;border-top:1px solid var(--line);
}
.scale-num{
  font-size:15px;font-weight:700;color:var(--accent);letter-spacing:1px;
  font-variant-numeric:tabular-nums;padding-top:3px;
}
.scale-title{font-size:18px;font-weight:700;color:var(--t1);line-height:1.5;}
.scale-text{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--t3);}

/* ---------- Split ---------- */
.split{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;
  padding:44px 0;
}
.split + .split{border-top:1px solid var(--line);}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.split-body h3{font-size:22px;line-height:1.4;margin-bottom:14px;}
.split-body p{font-size:15.5px;line-height:1.9;color:var(--t2);}
.tick{margin-top:18px;display:flex;flex-direction:column;gap:11px;}
.tick li{
  position:relative;padding-left:26px;font-size:14.5px;line-height:1.75;color:var(--t2);
}
.tick li::before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:12px;
  border-radius:50%;border:1px solid var(--line-a);background:rgba(31,197,178,.16);
}

/* ---------- Stat band ---------- */
.statband{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-cell{padding:34px 28px;border-left:1px solid var(--line);}
.stat-cell:first-child{border-left:0;}
.stat-num{
  font-size:clamp(30px,3.4vw,40px);font-weight:800;color:var(--t1);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat-num span{font-size:16px;font-weight:600;color:var(--accent);margin-left:3px;letter-spacing:0;}
.stat-label{margin-top:10px;font-size:13.5px;line-height:1.7;color:var(--t3);}

/* ---------- Quotes ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px 24px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.quote-card:nth-child(2){transform:translateY(22px);}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:rgba(31,197,178,.3);}
.quote-card:nth-child(2):hover{transform:translateY(20px);}
.quote-mark{font-size:34px;line-height:1;color:var(--line-a);font-weight:800;}
.quote-text{margin-top:10px;font-size:17px;line-height:1.9;color:var(--t1);}
.quote-by{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);letter-spacing:.3px;}
.quote-by strong{display:block;color:var(--t2);font-weight:600;font-size:14px;margin-bottom:2px;}

/* ---------- Posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:rgba(31,197,178,.3);}
.post-link{display:block;padding:18px 18px 20px;}
.post-thumb{border-radius:var(--r-img);overflow:hidden;margin-bottom:16px;border:1px solid var(--line);}
.post-thumb img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .35s ease;
}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.3px;
  color:var(--brand);border:1px solid var(--line-a);border-radius:999px;
  padding:2px 10px;background:rgba(31,197,178,.07);
}
.post-title{
  margin-top:12px;font-size:18px;font-weight:700;line-height:1.55;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.post-card:hover .post-title{color:var(--brand);}
.post-excerpt{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--t3);
}
.post-more{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:600;}
.post-more i{font-size:11px;transition:transform .2s ease;}
.post-card:hover .post-more i{transform:translateX(3px);}
.cms-empty{
  display:flex;align-items:center;gap:12px;
  padding:36px 28px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:rgba(19,32,47,.4);color:var(--t3);font-size:15px;
}
.cms-empty i{font-size:18px;color:var(--brand);opacity:.7;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--t1);
  position:relative;transition:color .2s ease,padding-left .25s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--brand);border-radius:2px;
  transition:height .28s ease;
}
.faq-item.is-open .faq-q{padding-left:16px;color:var(--brand);}
.faq-item.is-open .faq-q::before{height:22px;}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-a);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:background .2s ease,transform .25s ease;
}
.faq-item.is-open .faq-icon{background:rgba(31,197,178,.14);transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 46px 24px 16px;font-size:15px;line-height:1.9;color:var(--t2);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-a);border-radius:var(--r-card);
  background:linear-gradient(120deg,rgba(19,32,47,.96),rgba(10,16,24,.96));
  padding:56px 48px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-8%;bottom:-40%;width:52%;height:150%;
  background:radial-gradient(circle at 50% 50%,rgba(31,197,178,.14),transparent 62%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;position:relative;z-index:2;}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--t2);max-width:520px;position:relative;z-index:2;}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-note{font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px;}
.cta-note i{color:var(--accent);font-size:11px;}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-0);
  padding:64px 0 0;
  margin-top:8px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--t3);max-width:320px;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:1px;color:var(--t1);margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:var(--t3);min-height:28px;display:inline-flex;align-items:center;}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t3);margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:12px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- Responsive ---------- */
@media screen and (max-width:1199px){
  .hero-inner{gap:40px;}
  .split{gap:40px;}
}
@media screen and (max-width:991px){
  .nav-chips{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-wrap{gap:12px;}
  .hero-inner{grid-template-columns:1fr;padding-top:64px;padding-bottom:72px;gap:36px;}
  .hero-sub{max-width:100%;}
  .hero-card{max-width:520px;}
  .section{padding:72px 0;}
  .scale-list{grid-template-columns:1fr;gap:0;}
  .split{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .split.reverse .split-media,.split.reverse .split-body{order:initial;}
  .statband{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(3){border-left:0;}
  .stat-cell:nth-child(3),.stat-cell:nth-child(4){border-top:1px solid var(--line);}
  .quotes{grid-template-columns:1fr;}
  .quote-card:nth-child(2){transform:none;}
  .quote-card:nth-child(2):hover{transform:translateY(-2px);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .nav-wrap{padding:0 18px;height:66px;}
  .logo-main{font-size:16px;}
  .logo-chip{font-size:10px;padding:2px 7px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .hero-inner{padding-top:48px;padding-bottom:56px;}
  .hero-copy h1{margin:18px 0 16px;}
  .hero-actions{flex-direction:column;gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-card{padding:22px 20px 6px;}
  .metric-num{font-size:34px;}
  .entry-bar{border-radius:16px;padding:12px;gap:4px;}
  .entry-label{width:100%;padding:0 6px 6px;}
  .entry-item{width:100%;justify-content:space-between;padding:12px 12px;min-height:44px;}
  .scale-item{grid-template-columns:42px 1fr;padding:22px 0;}
  .statband{grid-template-columns:1fr;}
  .stat-cell{border-left:0;padding:24px 6px;}
  .stat-cell + .stat-cell{border-top:1px solid var(--line);}
  .post-grid{grid-template-columns:1fr;gap:16px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .faq-a p{padding:0 12px 20px 16px;}
  .cta-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;text-align:left;}
  .footer-brand .logo{justify-content:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media screen and (max-width:519px){
  .hero-copy h1{font-size:30px;}
  .section-title{font-size:24px;}
  .quote-text{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-0:#0A1018;
  --bg-1:#0E1724;
  --bg-2:#13202F;
  --line:rgba(120,180,200,.14);
  --line-strong:rgba(31,197,178,.35);
  --brand:#1FC5B2;
  --brand-d:#12A192;
  --accent:#F0A95C;
  --t1:#E9F1F6;
  --t2:#9FB1C2;
  --t3:#6D8296;
  --ink:#06131A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --container:1200px;
  --ease:.28s ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(31,197,178,.06), transparent 70%),
    radial-gradient(760px 420px at 92% 4%, rgba(240,169,92,.05), transparent 72%),
    linear-gradient(rgba(120,180,200,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,180,200,.04) 1px, transparent 1px);
  background-size:auto, auto, 64px 64px, 64px 64px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
::selection{background:rgba(31,197,178,.28);color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(10,16,24,.72);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:76px;
  display:flex;
  align-items:center;
  gap:22px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(31,197,178,.08);
  transition:background var(--ease),border-color var(--ease);
}
.logo:hover .logo-mark{background:rgba(31,197,178,.16);border-color:var(--brand)}
.logo-mark svg{width:21px;height:21px}
.logo-text{display:inline-flex;align-items:center;gap:8px}
.logo-main{font-size:18px;font-weight:800;color:var(--t1);letter-spacing:.4px;line-height:1}
.logo-chip{
  font-size:11px;font-weight:600;letter-spacing:.4px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:3px 9px;
  line-height:1.4;
  white-space:nowrap;
}

.nav-chips{
  flex:1 1 auto;
  min-width:0;
  display:flex;
  align-items:center;
  gap:4px;
  padding:4px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(19,32,47,.62);
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none;height:0}
.chip{
  white-space:nowrap;
  padding:7px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--t2);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{color:var(--t1);background:rgba(31,197,178,.10)}
.chip:active{transform:translateY(1px)}
.chip.active{
  background:var(--brand);
  color:var(--ink);
  font-weight:700;
  box-shadow:0 0 0 1px rgba(31,197,178,.4),0 6px 18px rgba(31,197,178,.24);
}

.nav-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--brand);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  letter-spacing:.2px;
  transition:filter var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 8px 24px rgba(31,197,178,.35)}
.nav-cta:active{transform:translateY(0)}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--t1);
  font-size:17px;
  margin-left:auto;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand)}

.mobile-panel{
  position:fixed;
  top:76px;left:0;right:0;bottom:0;
  z-index:110;
  display:none;
  padding:26px 22px 40px;
  background:rgba(10,16,24,.97);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  overflow-y:auto;
}
.mobile-panel.open{display:block}
.mobile-nav{display:flex;flex-direction:column;gap:10px}
.mobile-link{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--bg-1);
  color:var(--t1);
  font-size:15px;
  font-weight:500;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.mobile-link:hover,.mobile-link.active{border-color:var(--line-strong);color:var(--brand);background:rgba(31,197,178,.08)}
.mobile-cta{width:100%;margin-top:20px;height:50px}

/* ============ 文章头部 ============ */
.article-top{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:26px 0 58px;
}
.article-top::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(10,16,24,.97) 0%, rgba(10,16,24,.90) 48%, rgba(10,16,24,.74) 100%);
}
.article-top .container{position:relative;z-index:2}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--t3);
  margin-bottom:34px;
}
.breadcrumb a{color:var(--t3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(109,130,150,.6)}
.crumb-current{
  color:var(--t2);
  max-width:52ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.article-head{max-width:860px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(31,197,178,.10);
  border-radius:999px;
  padding:5px 13px;
  line-height:1.6;
}
.badge i{font-size:11px}
.article-title{
  margin-top:20px;
  font-size:clamp(30px,3.9vw,46px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--t1);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 20px;
  margin-top:22px;
  font-size:13px;
  color:var(--t3);
  letter-spacing:.2px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand);font-size:12px}

/* ============ 正文 ============ */
.article-wrap{padding:52px 0 0}
.article-body{
  max-width:760px;
  margin:0 auto;
  font-size:17px;
  line-height:1.95;
  color:var(--t2);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > * + *{margin-top:20px}
.article-body h2{
  position:relative;
  margin-top:44px;
  padding-left:16px;
  font-size:clamp(21px,2.4vw,27px);
  line-height:1.45;
  font-weight:700;
  color:var(--t1);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:4px;
  border-radius:3px;
  background:var(--brand);
}
.article-body h3{
  margin-top:32px;
  font-size:20px;
  line-height:1.55;
  font-weight:700;
  color:var(--t1);
}
.article-body h4{font-size:17px;font-weight:600;color:var(--t1)}
.article-body p{color:var(--t2)}
.article-body strong{color:var(--t1);font-weight:700}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,197,178,.35);transition:border-color var(--ease),color var(--ease)}
.article-body a:hover{border-bottom-color:var(--brand);color:#2ee6d0}
.article-body ul{list-style:disc;padding-left:22px}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body li + li{margin-top:10px}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:30px 0;
  padding:18px 22px;
  background:var(--bg-1);
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--t1);
  font-size:16px;
}
.article-body blockquote p{color:var(--t1)}
.article-body img{
  border-radius:var(--r-img);
  border:1px solid var(--line);
  margin:28px auto;
}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.7}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--bg-2);color:var(--t1);font-weight:600}
.article-body tr:nth-child(even) td{background:rgba(19,32,47,.45)}
.article-body code{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
  font-size:.9em;
  color:var(--accent);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

.article-empty{
  max-width:760px;
  margin:0 auto;
  padding:44px 28px;
  text-align:center;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-1);
}
.article-empty i{font-size:26px;color:var(--t3)}
.article-empty h2{margin-top:16px;font-size:22px;color:var(--t1);font-weight:700}
.article-empty p{margin-top:10px;font-size:15px;color:var(--t2)}
.article-empty .btn{margin-top:24px}

.tag-row{
  max-width:760px;
  margin:42px auto 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--t3);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg-1);
  color:var(--t2);
  font-size:13px;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.tag:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(31,197,178,.08)}
.back-row{
  max-width:760px;
  margin:34px auto 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  transition:filter var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease),color var(--ease);
}
.btn-primary{background:var(--brand);color:var(--ink)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 8px 24px rgba(31,197,178,.35)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--t1);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(31,197,178,.08)}
.btn-ghost:active{transform:translateY(1px)}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section-head{max-width:720px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(31,197,178,.08);
  border-radius:999px;
  padding:5px 13px;
}
.section-title{
  margin-top:16px;
  font-size:clamp(24px,3vw,34px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.3px;
  color:var(--t1);
}
.section-sub{margin-top:12px;font-size:15px;line-height:1.85;color:var(--t2)}

/* 阅读提示 */
.tips-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:44px;
}
.tip{
  display:flex;
  gap:16px;
  padding:26px 24px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-1);
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tip:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,197,178,.3)}
.tip-num{
  flex:0 0 auto;
  font-size:14px;
  font-weight:800;
  letter-spacing:.6px;
  color:var(--accent);
  padding-top:3px;
  font-variant-numeric:tabular-nums;
}
.tip h3{font-size:18px;font-weight:700;color:var(--t1);line-height:1.5}
.tip p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--t2)}

/* 相关推荐 */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:44px;
}
.post-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-1);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(31,197,178,.3)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:22px 22px 24px;
  flex:1 1 auto;
}
.post-badge{
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:3px 11px;
  line-height:1.6;
}
.post-title{
  font-size:18px;
  line-height:1.55;
  font-weight:700;
  color:var(--t1);
  transition:color var(--ease);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card:hover .post-title{color:var(--brand)}
.post-desc{
  font-size:14px;
  line-height:1.78;
  color:var(--t2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-foot{
  margin-top:auto;
  padding-top:6px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--t3);
}
.post-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600}
.post-more i{transition:transform var(--ease)}
.post-card:hover .post-more i{transform:translateX(3px)}

/* 转化带 */
.cta-band{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:48px;
  border:1px solid var(--line-strong);
  border-radius:20px;
  background:
    linear-gradient(135deg, rgba(31,197,178,.12), rgba(10,16,24,0) 62%),
    var(--bg-1);
  box-shadow:var(--shadow-1);
}
.cta-text{max-width:560px}
.cta-text h2{font-size:clamp(23px,2.8vw,30px);line-height:1.4;font-weight:700;color:var(--t1);letter-spacing:-.3px}
.cta-text p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--t2)}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.cta-note{font-size:13px;color:var(--t3)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  padding:64px 0 0;
  border-top:1px solid var(--line);
  background:var(--bg-1);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.25fr;
  gap:40px;
}
.footer-brand p{
  margin-top:18px;
  max-width:34ch;
  font-size:14px;
  line-height:1.85;
  color:var(--t2);
}
.footer-title{
  margin-bottom:16px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.3px;
  color:var(--t1);
}
.footer-links li + li{margin-top:10px}
.footer-links a{font-size:14px;color:var(--t2);transition:color var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--t2);
}
.footer-contact li + li{margin-top:10px}
.footer-contact i{flex:0 0 auto;color:var(--brand);margin-top:5px;font-size:13px;width:16px;text-align:center}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px 24px;
  margin-top:48px;
  padding:24px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .nav-wrap{gap:18px}
  .logo-main{font-size:17px}
}
@media (max-width:992px){
  .nav-chips,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:72px 0}
  .tips-list,.card-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:38px}
}
@media (max-width:768px){
  .container,.nav-wrap{padding:0 18px}
  .nav-wrap{height:68px}
  .mobile-panel{top:68px}
  .article-top{padding:20px 0 44px}
  .breadcrumb{margin-bottom:24px;font-size:13px}
  .article-title{font-size:clamp(26px,7vw,34px);letter-spacing:-.3px}
  .article-wrap{padding:38px 0 0}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{margin-top:34px;padding-left:13px}
  .article-body h2::before{width:3px}
  .section{padding:56px 0}
  .tips-list,.card-grid{grid-template-columns:1fr;gap:16px}
  .tip{padding:22px 20px}
  .cta-band{padding:30px 22px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .back-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{padding:48px 0 0;margin-top:24px}
}
@media (max-width:576px){
  .logo-main{font-size:16px}
  .logo-chip{font-size:10px;padding:2px 7px}
  .logo-mark{width:34px;height:34px;border-radius:10px}
  .article-meta{gap:6px 14px;font-size:12px}
  .crumb-current{max-width:100%;white-space:normal}
  .post-body{padding:18px 18px 20px}
  .section-title{font-size:23px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
  --bg-0:#0A1018;
  --bg-1:#0E1724;
  --bg-2:#13202F;
  --line:rgba(120,180,200,.14);
  --line-strong:rgba(31,197,178,.35);
  --brand:#1FC5B2;
  --brand-d:#12A192;
  --accent:#F0A95C;
  --t1:#E9F1F6;
  --t2:#9FB1C2;
  --t3:#6D8296;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(120,180,200,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,200,.04) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:radial-gradient(900px 520px at 12% 0%,rgba(31,197,178,.07),transparent 70%),radial-gradient(700px 480px at 92% 18%,rgba(31,197,178,.05),transparent 72%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0;}
svg{display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{
  padding:88px 0;
  position:relative;
  z-index:1;
}
.section-alt{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  max-width:740px;
  margin-bottom:40px;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.3px;
  color:var(--brand);
  margin-bottom:12px;
}
.section-kicker::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--brand);
  opacity:.7;
}
h2{
  font-size:clamp(26px,3.2vw,36px);
  line-height:1.28;
  font-weight:700;
  color:var(--t1);
  letter-spacing:-.3px;
}
.section-desc{
  margin-top:14px;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,16,24,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
  height:74px;
  display:flex;
  align-items:center;
  gap:22px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--t1);
}
.logo:hover{color:var(--t1);}
.logo-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  display:grid;
  place-items:center;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(31,197,178,.08);
  flex:none;
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{display:inline-flex;align-items:center;gap:8px;}
.logo-main{
  font-size:19px;
  font-weight:800;
  color:var(--t1);
  letter-spacing:.5px;
  white-space:nowrap;
}
.logo-chip{
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:2px 9px;
  letter-spacing:.4px;
  white-space:nowrap;
  background:rgba(31,197,178,.06);
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  min-width:0;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  white-space:nowrap;
  padding:6px 0;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--t2);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.chip:hover{
  color:var(--brand);
  border-color:var(--line-strong);
  background:rgba(31,197,178,.08);
}
.chip.active{
  background:var(--brand);
  border-color:var(--brand);
  color:#07131A;
  font-weight:700;
  box-shadow:0 0 0 3px rgba(31,197,178,.16);
}
.chip.active:hover{color:#07131A;}
.nav-cta{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--brand);
  color:#07131A;
  font-size:14px;
  font-weight:700;
  transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.nav-cta:hover{
  background:#26d6c1;
  color:#07131A;
  box-shadow:0 8px 24px rgba(31,197,178,.35);
  transform:translateY(-1px);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  color:var(--t1);
  font-size:17px;
  align-items:center;
  justify-content:center;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand);background:rgba(31,197,178,.08);}
.mobile-panel{
  position:fixed;
  left:0;
  right:0;
  top:74px;
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  padding:10px 24px 24px;
  z-index:59;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  box-shadow:var(--shadow-2);
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-panel .panel-label{
  font-size:12px;
  color:var(--t3);
  letter-spacing:.4px;
  padding:12px 0 6px;
}
.mobile-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  color:var(--t1);
  font-size:15px;
}
.mobile-panel a:hover{color:var(--brand);}
.mobile-panel a .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
  opacity:.5;
}
.mobile-panel a.is-current{color:var(--brand);}

/* ---------- breadcrumb ---------- */
.crumb{
  padding:26px 0 0;
  font-size:14px;
  color:var(--t3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  position:relative;
  z-index:1;
}
.crumb .sep{opacity:.5;}
.crumb a:hover{color:var(--brand);}
.crumb .cur{color:var(--t2);}

/* ---------- page hero ---------- */
.page-hero{
  padding:36px 0 56px;
  position:relative;
  z-index:1;
}
.hero-split{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:56px;
  align-items:start;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 13px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(31,197,178,.07);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
}
h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.18;
  letter-spacing:-.5px;
  font-weight:800;
  color:var(--t1);
  margin:18px 0 20px;
}
h1 .hl{color:var(--brand);}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--t2);
  max-width:560px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  margin-top:26px;
  font-size:13px;
  color:var(--t3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--brand);font-size:12px;}
.hero-note{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.hero-note h2{
  font-size:18px;
  font-weight:700;
  color:var(--t1);
  letter-spacing:0;
  margin-bottom:4px;
}
.hero-note .note-sub{
  font-size:13.5px;
  color:var(--t3);
  margin-bottom:14px;
}
.note-list li{
  display:flex;
  gap:12px;
  padding:13px 0;
  border-top:1px solid var(--line);
  font-size:14.5px;
  line-height:1.75;
  color:var(--t2);
}
.note-list li:first-child{border-top:0;}
.note-list .dot{
  flex:none;
  width:22px;
  height:22px;
  margin-top:3px;
  border-radius:7px;
  display:grid;
  place-items:center;
  background:rgba(31,197,178,.12);
  color:var(--brand);
  font-size:11px;
  font-weight:700;
}
.note-list b{color:var(--t1);font-weight:600;}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:38px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:34px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--bg-1);
  color:var(--t2);
  font-size:13px;
}
.tag.is-on{
  border-color:var(--line-strong);
  color:var(--brand);
  background:rgba(31,197,178,.1);
}
.tag i{font-size:11px;opacity:.85;}

/* ---------- entry list (long list style) ---------- */
.entry-list{
  display:flex;
  flex-direction:column;
  gap:24px;
}
.entry-item{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:30px;
  padding:24px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.entry-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--line-strong);
}
.entry-media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--bg-2);
}
.entry-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.entry-item:hover .entry-media img{transform:scale(1.03);}
.entry-body{min-width:0;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(31,197,178,.07);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.3px;
}
.entry-body h3{
  font-size:22px;
  line-height:1.4;
  font-weight:700;
  color:var(--t1);
  margin:13px 0 10px;
}
.entry-body p{
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
}
.entry-body p + p{margin-top:8px;}
.entry-foot{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
}
.mini{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  color:var(--t3);
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px 10px;
}
.mini i{color:var(--brand);font-size:11px;}

/* ---------- scene cards ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.scene-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 28px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.scene-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--line-strong);
}
.scene-card .num{
  font-size:13px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.scene-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--t1);
  margin:12px 0 10px;
}
.scene-card p{
  font-size:14.5px;
  line-height:1.85;
  color:var(--t2);
}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.step{
  position:relative;
  padding:28px 24px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color .3s ease,transform .3s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.step::after{
  content:"";
  position:absolute;
  right:-13px;
  top:52px;
  width:13px;
  height:1px;
  background:var(--line);
}
.step:last-child::after{display:none;}
.step-num{
  width:38px;
  height:38px;
  border-radius:11px;
  display:grid;
  place-items:center;
  border:1px solid var(--line-strong);
  background:rgba(31,197,178,.12);
  color:var(--brand);
  font-size:15px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step h3{
  font-size:17px;
  font-weight:700;
  color:var(--t1);
  margin:16px 0 8px;
}
.step p{
  font-size:14px;
  line-height:1.8;
  color:var(--t2);
}

/* ---------- data band ---------- */
.data-band{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.data-cell{
  padding:28px 26px;
  border-left:1px solid var(--line);
}
.data-cell:first-child{border-left:0;}
.data-cell strong{
  display:block;
  font-size:34px;
  font-weight:800;
  line-height:1.15;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.data-cell span{
  display:block;
  margin-top:10px;
  font-size:13.5px;
  color:var(--t3);
  line-height:1.7;
}

/* ---------- faq ---------- */
.faq-list{
  max-width:880px;
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 0;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item summary::after{
  content:"+";
  flex:none;
  width:26px;
  text-align:center;
  color:var(--brand);
  font-size:22px;
  font-weight:400;
  line-height:1;
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--brand);}
.faq-body{
  padding:0 0 22px 16px;
  border-left:3px solid var(--brand);
  font-size:15px;
  line-height:1.9;
  color:var(--t2);
}
.faq-body p + p{margin-top:10px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{
  background:var(--brand);
  color:#07131A;
  border:1px solid var(--brand);
}
.btn-primary:hover{
  background:#26d6c1;
  border-color:#26d6c1;
  color:#07131A;
  transform:translateY(-1px);
  box-shadow:0 8px 24px rgba(31,197,178,.35);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(31,197,178,.28);}
.btn-ghost{
  background:transparent;
  color:var(--t1);
  border:1px solid var(--line);
}
.btn-ghost:hover{
  color:var(--brand);
  border-color:var(--line-strong);
  background:rgba(31,197,178,.08);
}
.btn-ghost:active{background:rgba(31,197,178,.14);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:var(--r-card);
  background:var(--bg-1);
  padding:60px 40px;
  text-align:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 300px at 50% 0%,rgba(31,197,178,.12),transparent 72%);
  pointer-events:none;
}
.cta-band > *{position:relative;}
.cta-band h2{
  font-size:clamp(24px,3vw,32px);
  margin-bottom:14px;
}
.cta-band p{
  max-width:620px;
  margin:0 auto;
  font-size:15.5px;
  color:var(--t2);
  line-height:1.85;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  margin-top:30px;
}
.cta-note{
  margin-top:20px;
  font-size:13px;
  color:var(--t3);
}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 0;
  margin-top:96px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.35fr;
  gap:40px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.9;
  color:var(--t3);
  max-width:340px;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--t1);
  margin-bottom:16px;
  letter-spacing:.2px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  font-size:14px;
  color:var(--t2);
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{
  display:flex;
  gap:11px;
  font-size:14px;
  line-height:1.8;
  color:var(--t2);
  margin-bottom:13px;
}
.footer-contact i{
  color:var(--brand);
  margin-top:6px;
  font-size:13px;
  flex:none;
}
.footer-bottom{
  margin-top:52px;
  padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--t3);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-split{gap:40px;}
  .nav-wrap{gap:16px;}
}
@media (max-width:991px){
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{justify-content:space-between;}
  .nav-cta{margin-left:auto;}
  .section{padding:72px 0;}
  .hero-split{grid-template-columns:1fr;gap:32px;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .data-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .data-cell:nth-child(3){border-left:0;}
  .data-cell:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-wrap{padding:0 18px;height:66px;}
  .mobile-panel{top:66px;padding:10px 18px 22px;}
  .logo-main{font-size:17px;}
  .logo-chip{font-size:11px;padding:2px 7px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;}
  .nav-cta{height:40px;padding:0 14px;font-size:13px;}
  .page-hero{padding:24px 0 40px;}
  h1{font-size:clamp(28px,7vw,38px);margin:16px 0 16px;}
  .hero-sub{font-size:16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .entry-item{grid-template-columns:1fr;gap:18px;padding:18px;}
  .entry-body h3{font-size:19px;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .data-band{grid-template-columns:1fr;}
  .data-cell{border-left:0;}
  .data-cell + .data-cell{border-top:1px solid var(--line);}
  .cta-band{padding:38px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;text-align:center;}
  .footer-brand .logo{justify-content:center;}
  .footer-brand p{margin-left:auto;margin-right:auto;}
  .footer-contact li{justify-content:center;}
  .footer-bottom{justify-content:center;text-align:center;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .faq-item summary{font-size:16px;}
  .faq-body{padding-left:12px;}
}
@media (max-width:520px){
  .tag{font-size:12px;height:32px;padding:0 11px;}
  .hero-meta{font-size:12.5px;gap:12px;}
  .nav-cta{display:none;}
  .hero-note{padding:22px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A1018;
  --bg-1:#0E1724;
  --bg-2:#13202F;
  --line:rgba(120,180,200,.14);
  --line-brand:rgba(31,197,178,.35);
  --brand:#1FC5B2;
  --brand-d:#12A192;
  --accent:#F0A95C;
  --t1:#E9F1F6;
  --t2:#9FB1C2;
  --t3:#6D8296;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 16px 40px rgba(0,0,0,.45);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1000px 620px at 82% -12%, rgba(31,197,178,.07), transparent 70%),
    radial-gradient(760px 480px at 4% 12%, rgba(240,169,92,.04), transparent 72%),
    linear-gradient(rgba(120,180,200,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,180,200,.04) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.3;font-weight:700}
h1{font-size:clamp(30px,3.6vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.5px}
h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.2px}
h3{font-size:20px}
h4{font-size:17px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#4fe0cf}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:clamp(56px,7vw,96px) 0}
.section-tight{padding:clamp(40px,5vw,64px) 0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,16,24,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:1240px;margin:0 auto;padding:0 24px;
  height:76px;display:flex;align-items:center;gap:18px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t1)}
.logo:hover{color:var(--t1)}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);background:rgba(31,197,178,.08);
  border:1px solid var(--line-brand);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:inline-flex;align-items:center;gap:7px;font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--t1);white-space:nowrap}
.logo-chip{
  font-size:11px;font-weight:600;letter-spacing:.5px;line-height:1.5;
  color:var(--brand);background:rgba(31,197,178,.08);
  border:1px solid var(--line-brand);border-radius:999px;padding:2px 8px;
}
.nav-chips{
  flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:4px;
  padding:5px;border:1px solid var(--line);border-radius:999px;
  background:rgba(19,32,47,.6);
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chips .chip{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:8px 16px;border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:500;color:var(--t2);background:transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-chips .chip:hover{color:var(--t1);background:rgba(31,197,178,.1)}
.nav-chips .chip.active{
  background:var(--brand);color:#06120F;font-weight:700;
  box-shadow:0 0 0 1px rgba(31,197,178,.35),0 6px 18px rgba(31,197,178,.22);
}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;height:42px;padding:0 18px;
  border-radius:var(--r-btn);background:var(--brand);color:#06120F;
  font-size:14px;font-weight:700;transition:background .2s ease,box-shadow .2s ease,transform .2s ease;
}
.nav-cta:hover{background:#2ad3bf;color:#06120F;box-shadow:0 8px 24px rgba(31,197,178,.35);transform:translateY(-1px)}
.nav-toggle{
  display:none;flex:0 0 auto;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:var(--r-btn);border:1px solid var(--line);background:var(--bg-2);color:var(--t1);
  font-size:17px;cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--line-brand);color:var(--brand)}

/* mobile panel */
.mobile-panel{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(105%);transition:transform .3s ease;
  box-shadow:-20px 0 60px rgba(0,0,0,.5);
}
.mobile-panel.open{transform:translateX(0)}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.mobile-panel-head span{font-size:14px;font-weight:600;letter-spacing:.4px;color:var(--t3)}
.panel-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg-2);color:var(--t1);cursor:pointer;font-size:16px;
}
.panel-close:hover{color:var(--brand);border-color:var(--line-brand)}
.mobile-nav{display:flex;flex-direction:column;gap:6px}
.mobile-nav a{
  display:flex;align-items:center;min-height:46px;padding:10px 14px;border-radius:10px;
  color:var(--t2);font-size:15px;border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.mobile-nav a:hover{background:rgba(31,197,178,.08);color:var(--t1);border-color:var(--line)}
.mobile-nav a.active{background:rgba(31,197,178,.14);color:var(--brand);border-color:var(--line-brand);font-weight:600}
.mobile-cta{margin-top:6px;width:100%}
body.panel-open{overflow:hidden}

/* ---------- buttons / tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#06120F}
.btn-primary:hover{background:#2ad3bf;color:#06120F;box-shadow:0 8px 24px rgba(31,197,178,.35);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(31,197,178,.28)}
.btn-ghost{background:transparent;border-color:var(--line-brand);color:var(--t1)}
.btn-ghost:hover{background:rgba(31,197,178,.08);border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;border:1px solid var(--line-brand);
  color:var(--brand);background:rgba(31,197,178,.08);
  font-size:12px;font-weight:600;letter-spacing:.3px;line-height:1.7;
}
.tag-warm{color:var(--accent);border-color:rgba(240,169,92,.35);background:rgba(240,169,92,.09)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg, rgba(10,16,24,.97) 0%, rgba(10,16,24,.9) 42%, rgba(10,16,24,.58) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:48px;align-items:center;
  padding-top:clamp(48px,6vw,76px);padding-bottom:clamp(48px,6vw,76px);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.6px;color:var(--brand);
  padding:5px 12px;border-radius:999px;
  background:rgba(31,197,178,.09);border:1px solid var(--line-brand);
  margin-bottom:18px;
}
.hero-inner h1{margin-bottom:18px}
.hero-lead{font-size:clamp(15px,1.5vw,17px);line-height:1.9;color:var(--t2);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;
  font-size:13px;font-weight:500;letter-spacing:.3px;color:var(--t3);
}
.hero-meta li{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--brand);font-size:12px}
.hero-card{
  background:rgba(19,32,47,.62);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line-brand);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
}
.hero-card-title{font-size:13px;font-weight:600;letter-spacing:.6px;color:var(--t3);margin-bottom:18px}
.hero-metrics{display:grid;gap:16px}
.hero-metric{display:flex;align-items:baseline;gap:12px;padding-bottom:14px;border-bottom:1px dashed rgba(120,180,200,.16)}
.hero-metric:last-child{border-bottom:0;padding-bottom:0}
.metric-num{font-size:32px;font-weight:800;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.metric-unit{font-size:13px;font-weight:600;color:var(--t3);margin-left:-6px}
.metric-text{font-size:14px;line-height:1.6;color:var(--t2)}

/* ---------- section head ---------- */
.section-head{max-width:720px;margin-bottom:clamp(28px,4vw,44px)}
.section-head h2{margin-bottom:12px}
.sec-lead{font-size:15.5px;line-height:1.85;color:var(--t2)}
.section-head .tag{margin-bottom:14px}

/* ---------- content layout ---------- */
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(31,197,178,.3)}
.entry-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-1)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.entry-body h3{font-size:19px;line-height:1.45}
.entry-body p{font-size:14.5px;line-height:1.8;color:var(--t2)}
.entry-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand)}
.entry-foot i{transition:transform .25s ease}
.entry-card:hover .entry-foot i{transform:translateX(4px)}

/* sidebar */
.side-panel{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);padding:22px}
.side-title{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:6px;letter-spacing:.2px}
.side-sub{font-size:13px;color:var(--t3);margin-bottom:14px}
.side-list li a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;font-size:14.5px;color:var(--t2);
  border-bottom:1px dashed rgba(120,180,200,.14);
}
.side-list li:last-child a{border-bottom:0;padding-bottom:0}
.side-list li a i{font-size:12px;color:var(--t3);transition:transform .2s ease,color .2s ease}
.side-list li a:hover{color:var(--brand)}
.side-list li a:hover i{color:var(--brand);transform:translateX(3px)}
.side-cta{
  background:linear-gradient(160deg, rgba(31,197,178,.14), rgba(19,32,47,.9));
  border:1px solid var(--line-brand);
}
.side-cta h3{font-size:17px;margin-bottom:10px}
.side-cta p{font-size:13.5px;line-height:1.75;color:var(--t2);margin-bottom:16px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;
  transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.step:hover{border-color:rgba(31,197,178,.3);transform:translateY(-2px);box-shadow:var(--sh-1)}
.step-no{font-size:13px;font-weight:800;letter-spacing:1.6px;color:var(--accent);font-variant-numeric:tabular-nums}
.step h3{font-size:18px;margin:10px 0 10px}
.step p{font-size:14px;line-height:1.8;color:var(--t2)}

/* ---------- state band ---------- */
.state-band{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.state-item{padding:30px 26px;border-left:1px solid var(--line)}
.state-item:first-child{border-left:0;padding-left:0}
.state-item h3{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.state-item h3 i{color:var(--brand);font-size:14px}
.state-item p{font-size:14px;line-height:1.8;color:var(--t2)}

/* ---------- faq ---------- */
.faq{max-width:880px}
.faq-item{
  position:relative;border-bottom:1px solid var(--line);padding-left:0;
  transition:padding-left .25s ease;
}
.faq-item.open{padding-left:16px}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  border-radius:2px;background:var(--brand);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--t1);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q .ico{flex:0 0 auto;font-size:18px;color:var(--brand);line-height:1;transition:transform .25s ease}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--t2);padding:0 0 22px}
.faq-a p + p{padding-top:0}

/* ---------- cta band ---------- */
.cta-band{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  border:1px solid var(--line-brand);border-radius:20px;
  padding:clamp(26px,4.4vw,50px);
  background:linear-gradient(135deg, rgba(31,197,178,.13), rgba(240,169,92,.06) 70%, rgba(19,32,47,.6));
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{font-size:15px;line-height:1.8;color:var(--t2);max-width:46em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:16px;font-size:13px;color:var(--t3)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:clamp(48px,6vw,80px)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding:clamp(40px,5vw,64px) 0 36px;
}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--t2);margin-top:14px;max-width:32em}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);letter-spacing:.4px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--t2)}
.footer-links a:hover{color:var(--brand)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{font-size:14px;color:var(--t2);display:flex;align-items:flex-start;gap:10px;line-height:1.7}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:13px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-lead{max-width:none}
  .content-layout{grid-template-columns:1fr;gap:28px}
  .side-panel{position:static}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav-chips,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-wrap{gap:12px}
}
@media (max-width:768px){
  .nav-wrap{height:68px;padding:0 18px}
  .container{padding:0 18px}
  .logo-text{font-size:16px}
  .logo-chip{font-size:10px;padding:2px 7px}
  .hero-inner{padding-top:40px;padding-bottom:44px}
  .hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .state-band{grid-template-columns:1fr}
  .state-item{border-left:0;border-top:1px solid var(--line);padding:22px 0}
  .state-item:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr;gap:28px;text-align:left}
  .footer-bottom{justify-content:flex-start}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .metric-num{font-size:28px}
  .hero-meta{gap:8px 16px;font-size:12.5px}
  .faq-q{font-size:16px}
  .entry-body{padding:18px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root{
  --bg-0:#0A1018;
  --bg-1:#0E1724;
  --bg-2:#13202F;
  --bg-3:#17283A;
  --line:rgba(120,180,200,0.14);
  --line-strong:rgba(31,197,178,0.35);
  --brand:#1FC5B2;
  --brand-d:#12A192;
  --brand-soft:rgba(31,197,178,0.08);
  --accent:#F0A95C;
  --t1:#E9F1F6;
  --t2:#9FB1C2;
  --t3:#6D8296;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-chip:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 16px 40px rgba(0,0,0,.45);
  --ease:.3s ease;
  --sec-d:104px;
  --sec-t:72px;
  --sec-m:56px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(120,180,200,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,200,0.04) 1px,transparent 1px);
  background-size:64px 64px;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:radial-gradient(600px 420px at 12% 0%,rgba(31,197,178,0.06),transparent 70%),
             radial-gradient(700px 460px at 88% 30%,rgba(31,197,178,0.05),transparent 72%);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
  position:relative;
  z-index:1;
}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(10,16,24,0.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  max-width:1200px;
  margin:0 auto;
  padding:12px 24px;
  display:flex;
  align-items:center;
  gap:20px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--t1);
}
.logo:hover{color:var(--t1);}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(31,197,178,0.16),rgba(31,197,178,0.02));
  color:var(--brand);
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{display:inline-flex;align-items:center;gap:7px;font-size:17px;font-weight:800;letter-spacing:.2px;}
.logo-chip{
  font-size:11px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  border-radius:var(--r-chip);
  padding:2px 8px;
  line-height:1.6;
  white-space:nowrap;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:6px;
  padding:5px;
  border-radius:var(--r-chip);
  border:1px solid var(--line);
  background:rgba(19,32,47,0.55);
  margin-left:auto;
  margin-right:auto;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  padding:8px 16px;
  border-radius:var(--r-chip);
  font-size:14px;
  font-weight:500;
  color:var(--t2);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
  min-height:36px;
}
.chip:hover{
  color:var(--brand);
  background:var(--brand-soft);
  border-color:var(--line-strong);
}
.chip.active{
  background:var(--brand);
  color:#08211E;
  font-weight:700;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,197,178,0.12);
}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 18px;
  border-radius:var(--r-btn);
  background:var(--brand);
  color:#08211E;
  font-size:14px;
  font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{
  color:#08211E;
  filter:brightness(1.08);
  box-shadow:0 8px 24px rgba(31,197,178,0.35);
  transform:translateY(-1px);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--t1);
  font-size:17px;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand);}

.mobile-panel{
  position:fixed;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  z-index:120;
  background:var(--bg-1);
  border-left:1px solid var(--line);
  padding:24px 20px;
  transform:translateX(105%);
  transition:transform .3s ease;
  overflow-y:auto;
}
.mobile-panel.open{transform:translateX(0);}
.mobile-panel .mp-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:22px;
}
.mp-close{
  width:40px;height:40px;border-radius:var(--r-btn);
  background:var(--bg-2);border:1px solid var(--line);color:var(--t1);
}
.mp-links{display:flex;flex-direction:column;gap:8px;margin-bottom:22px;}
.mp-links a{
  display:block;
  padding:13px 16px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--t2);
  font-size:15px;
}
.mp-links a:hover{color:var(--brand);border-color:var(--line-strong);}
.mp-links a.active{background:var(--brand);color:#08211E;font-weight:700;border-color:var(--brand);}
.mp-cta{
  display:flex;align-items:center;justify-content:center;
  height:48px;border-radius:var(--r-btn);
  background:var(--brand);color:#08211E;font-weight:700;
}
.mp-mask{
  position:fixed;inset:0;z-index:110;
  background:rgba(4,8,12,.62);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.mp-mask.open{opacity:1;pointer-events:auto;}

/* ============ breadcrumb ============ */
.crumb{
  padding:22px 0 0;
  font-size:14px;
  color:var(--t3);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(109,130,150,0.6);}
.crumb .cur{color:var(--t2);}

/* ============ hero ============ */
.page-hero{
  position:relative;
  margin-top:22px;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-1);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center right;
  opacity:.42;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,16,24,0.96) 8%,rgba(10,16,24,0.82) 46%,rgba(10,16,24,0.45) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  padding:64px 48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  letter-spacing:.4px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:var(--brand-soft);
  border-radius:var(--r-chip);
  padding:5px 14px;
  margin-bottom:20px;
}
.eyebrow i{font-size:12px;}
.hero-title{
  font-size:clamp(32px,4.2vw,50px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.5px;
  color:var(--t1);
  margin-bottom:18px;
}
.hero-title .hl{color:var(--brand);}
.hero-sub{
  font-size:16.5px;
  line-height:1.85;
  color:var(--t2);
  max-width:34em;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  min-width:44px;
  text-align:center;
}
.btn-primary{
  background:var(--brand);
  color:#08211E;
  border-color:var(--brand);
}
.btn-primary:hover{
  color:#08211E;
  filter:brightness(1.08);
  box-shadow:0 8px 24px rgba(31,197,178,0.35);
  transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;filter:brightness(.96);}
.btn-ghost{
  background:transparent;
  color:var(--t1);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  color:var(--brand);
  border-color:var(--brand);
  background:var(--brand-soft);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(0);}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:18px;
  font-size:13px;color:var(--t3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--brand);font-size:12px;}

.glass-card{
  background:rgba(19,32,47,0.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(120,180,200,0.22);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
}
.glass-card .gc-title{
  font-size:13px;
  letter-spacing:.5px;
  color:var(--t3);
  margin-bottom:18px;
  display:flex;align-items:center;gap:8px;
}
.glass-card .gc-title i{color:var(--accent);}
.stat-row{
  display:flex;flex-direction:column;gap:16px;
}
.stat-item{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.stat-item:last-child{border-bottom:0;padding-bottom:0;}
.stat-num{
  font-size:34px;
  font-weight:800;
  color:var(--accent);
  line-height:1;
  letter-spacing:-.5px;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;}
.stat-label{font-size:13.5px;color:var(--t2);line-height:1.6;}

/* ============ anchor nav ============ */
.anchor-bar{
  position:relative;
  z-index:1;
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:12px;
  border-radius:var(--r-chip);
  border:1px solid var(--line);
  background:var(--bg-1);
}
.anchor-bar .ab-label{
  font-size:13px;
  color:var(--t3);
  padding-left:8px;
  margin-right:4px;
  letter-spacing:.4px;
}
.anchor-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 16px;
  border-radius:var(--r-chip);
  font-size:14px;
  color:var(--t2);
  border:1px solid var(--line);
  background:var(--bg-2);
  transition:all .2s ease;
  min-height:38px;
}
.anchor-chip:hover{
  color:var(--brand);
  border-color:var(--line-strong);
  background:var(--brand-soft);
}
.anchor-chip i{font-size:11px;color:var(--accent);}

/* ============ sections ============ */
.section{padding:var(--sec-d) 0 0;}
.section:last-of-type{padding-bottom:0;}
.sec-head{max-width:780px;margin-bottom:38px;}
.sec-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--accent);
  letter-spacing:.6px;
  margin-bottom:14px;
}
.sec-tag::before{
  content:"";
  width:22px;height:1px;
  background:var(--accent);
  opacity:.85;
}
.sec-title{
  font-size:clamp(26px,3.1vw,36px);
  font-weight:700;
  line-height:1.28;
  color:var(--t1);
  margin-bottom:14px;
}
.sec-desc{font-size:16px;line-height:1.9;color:var(--t2);}

/* split block */
.split{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:44px;
  align-items:center;
}
.split.rev{grid-template-columns:7fr 5fr;}
.split.rev .split-media{order:2;}
.split-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:16/11;
}
.split-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.split-media:hover img{transform:scale(1.03);}
.split-media .media-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,16,24,0) 40%,rgba(10,16,24,0.55) 100%);
  pointer-events:none;
}
.split-body h3{
  font-size:22px;
  font-weight:700;
  color:var(--t1);
  margin-bottom:14px;
}
.split-body p{font-size:16px;line-height:1.9;color:var(--t2);margin-bottom:16px;}
.tick-list{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
.tick-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
}
.tick-list i{
  color:var(--brand);
  font-size:13px;
  margin-top:7px;
  flex:0 0 auto;
}
.tick-list strong{color:var(--t1);font-weight:600;}

/* cards grid */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;
  flex-direction:column;
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(31,197,178,0.3);
}
.card-media{
  aspect-ratio:16/10;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  border-radius:var(--r-chip);
  padding:3px 11px;
  margin-bottom:14px;
}
.card-body h3{
  font-size:18px;
  font-weight:600;
  color:var(--t1);
  line-height:1.5;
  margin-bottom:10px;
  transition:color .2s ease;
}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:14.5px;line-height:1.8;color:var(--t2);}

/* data band */
.data-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:34px 0;
  margin-top:44px;
}
.data-cell{
  padding:0 24px;
  border-left:1px solid var(--line);
}
.data-cell:first-child{border-left:0;padding-left:0;}
.data-cell .num{
  font-size:38px;
  font-weight:800;
  color:var(--accent);
  line-height:1.1;
  letter-spacing:-1px;
}
.data-cell .num small{font-size:15px;font-weight:600;margin-left:3px;color:var(--accent);}
.data-cell .cap{
  margin-top:8px;
  font-size:13.5px;
  color:var(--t3);
  line-height:1.7;
}

/* panel list */
.panel{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
}
.panel-list{display:flex;flex-direction:column;}
.panel-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.panel-item:last-child{border-bottom:0;padding-bottom:0;}
.panel-item:first-child{padding-top:0;}
.panel-item .idx{
  font-size:13px;
  font-weight:700;
  letter-spacing:.6px;
  color:var(--accent);
  padding-top:4px;
  min-width:28px;
}
.panel-item h4{
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  margin-bottom:7px;
}
.panel-item p{font-size:15px;line-height:1.85;color:var(--t2);}

/* note strip */
.note-strip{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:20px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  background:var(--brand-soft);
  margin-top:28px;
}
.note-strip i{color:var(--brand);font-size:16px;margin-top:4px;}
.note-strip p{font-size:14.5px;line-height:1.85;color:var(--t2);}
.note-strip strong{color:var(--t1);font-weight:600;}

/* faq */
.faq-wrap{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:first-of-type{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0 22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  transition:color .2s ease,padding .3s ease;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:-18px;
  top:50%;
  transform:translateY(-50%) scaleY(0);
  width:3px;
  height:20px;
  border-radius:2px;
  background:var(--brand);
  transition:transform .3s ease;
}
.faq-item[open] summary::before{transform:translateY(-50%) scaleY(1);}
.faq-item[open] summary{color:var(--brand);padding-left:6px;}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--line-strong);
  color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;
  position:relative;
  transition:transform .3s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{
  padding:0 40px 24px 6px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--t2);
  animation:fadeIn .35s ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* cta */
.cta-band{
  margin-top:var(--sec-d);
  border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(520px 300px at 88% 10%,rgba(31,197,178,0.12),transparent 70%),
    var(--bg-1);
  padding:56px 48px;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:36px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-70px;
  width:240px;height:240px;
  border-radius:50%;
  border:1px solid rgba(31,197,178,0.18);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(24px,2.8vw,32px);
  font-weight:700;
  color:var(--t1);
  margin-bottom:14px;
  line-height:1.32;
}
.cta-band p{font-size:15.5px;line-height:1.9;color:var(--t2);max-width:36em;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}
.cta-hint{font-size:13px;color:var(--t3);text-align:center;line-height:1.7;}

/* footer */
.site-footer{
  margin-top:var(--sec-d);
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.9;
  color:var(--t2);
  max-width:30em;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--t1);
  margin-bottom:18px;
  letter-spacing:.3px;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14.5px;color:var(--t2);}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  line-height:1.75;
  color:var(--t2);
}
.footer-contact i{
  color:var(--brand);
  font-size:13px;
  margin-top:5px;
  flex:0 0 auto;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--brand);}

/* reveal */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ============ responsive ============ */
@media (max-width:1200px){
  .hero-inner{padding:56px 36px;}
}
@media (max-width:992px){
  :root{--sec-d:80px;}
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-wrap{justify-content:space-between;}
  .hero-inner{grid-template-columns:1fr;gap:30px;padding:48px 30px;}
  .glass-card{max-width:520px;}
  .split,.split.rev{grid-template-columns:1fr;gap:28px;}
  .split.rev .split-media{order:0;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .data-band{grid-template-columns:repeat(2,1fr);row-gap:26px;}
  .data-cell{padding:0 20px;}
  .data-cell:nth-child(3){border-left:0;padding-left:0;}
  .data-cell:nth-child(odd){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn{width:auto;flex:1 1 200px;}
  .cta-hint{text-align:left;}
}
@media (max-width:768px){
  :root{--sec-d:var(--sec-t);}
  .container{padding-left:18px;padding-right:18px;}
  .nav-wrap{padding:10px 18px;}
  .logo-text{font-size:16px;}
  .logo-chip{font-size:10px;padding:2px 7px;}
  .hero-inner{padding:38px 22px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;width:100%;}
  .grid-3,.grid-2{grid-template-columns:1fr;gap:16px;}
  .panel{padding:24px 20px;}
  .faq-item summary{font-size:16px;gap:14px;}
  .faq-answer{padding-right:12px;}
  .faq-item summary::before{left:-12px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;text-align:left;}
  .footer-bottom{justify-content:flex-start;}
  .cta-band{padding:36px 22px;margin-top:var(--sec-d);}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .anchor-bar{border-radius:var(--r-card);padding:10px;}
  .anchor-bar .ab-label{display:none;}
  .data-band{grid-template-columns:1fr;row-gap:22px;}
  .data-cell{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:18px;}
  .data-cell:first-child{border-top:0;padding-top:0;}
  .note-strip{flex-direction:column;gap:10px;padding:18px;}
}
@media (max-width:520px){
  .hero-title{font-size:29px;}
  .sec-title{font-size:24px;}
  .stat-num{font-size:30px;}
  .data-cell .num{font-size:32px;}
  .step-num{font-size:12px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}