/* roulang page: index */
:root{
  --bg:#070d18;
  --bg-2:#0b1424;
  --bg-3:#0d1930;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.075);
  --line:rgba(140,180,255,.16);
  --line-strong:rgba(56,225,255,.42);
  --text:#e8f0ff;
  --muted:#93a6c4;
  --dim:#6f82a1;
  --brand:#38e1ff;
  --brand-2:#4c8dff;
  --gold:#f0c264;
  --gold-deep:#b9892f;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.95);
  --shadow-hover:0 26px 52px -26px rgba(0,0,0,.98);
  --glow:0 10px 28px -10px rgba(56,225,255,.62);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
a:focus-visible,button:focus-visible,.btn:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:3px;
  border-radius:8px;
}
::selection{background:rgba(56,225,255,.28);color:#fff;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,13,24,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -22px rgba(0,0,0,.9);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:64px;min-height:64px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(140deg,#38e1ff,#4c8dff);
  box-shadow:0 0 18px rgba(56,225,255,.5);
  display:grid;place-items:center;color:#04101f;
  flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:15px;font-weight:700;letter-spacing:.3px;color:#fff;white-space:nowrap;}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav a{
  display:inline-flex;align-items:center;height:36px;padding:0 13px;
  border-radius:8px;font-size:14px;color:var(--muted);
  transition:color .2s,background .2s,box-shadow .2s;
  white-space:nowrap;
}
.nav a:hover{color:#fff;background:rgba(56,225,255,.09);}
.nav a.active{
  color:#eaf9ff;background:rgba(56,225,255,.13);
  box-shadow:inset 0 0 0 1px rgba(56,225,255,.3);
}
.header-cta{margin-left:6px;}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
}
.btn-primary{
  background:linear-gradient(135deg,#38e1ff,#4c8dff);
  color:#04101f;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(56,225,255,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  border-color:rgba(120,170,255,.34);
  color:#cfe2ff;background:rgba(255,255,255,.03);
}
.btn-ghost:hover{
  background:rgba(56,225,255,.1);
  border-color:rgba(56,225,255,.55);
  transform:translateY(-2px);
}
.btn-gold{
  background:linear-gradient(135deg,#f5d488,#d3a13d);
  color:#241a05;
  box-shadow:0 12px 28px -12px rgba(240,194,100,.85);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(240,194,100,.9);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:66px 0 62px;
  background:url("/assets/images/96120928430ef6d1.webp") center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(58% 62% at 84% 6%,rgba(76,141,255,.30),transparent 68%),
    linear-gradient(180deg,rgba(5,10,20,.88),rgba(6,12,22,.96));
}
.hero::after{
  content:"";position:absolute;left:-10%;bottom:-40%;width:60%;height:80%;
  background:radial-gradient(closest-side,rgba(56,225,255,.16),transparent);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:1.18fr .82fr;
  gap:44px;align-items:center;
}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.6px;
  color:#bfe9ff;background:rgba(56,225,255,.1);
  border:1px solid rgba(56,225,255,.3);
  margin-bottom:18px;
}
.badge-pill .dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 10px var(--brand);
}
.hero h1{
  font-size:40px;line-height:1.28;font-weight:800;
  letter-spacing:-.5px;color:#fff;margin-bottom:18px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,#7ef0ff,#4c8dff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:15.5px;line-height:1.85;color:#a9bcd8;
  max-width:640px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;max-width:560px;
}
.stat{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:14px 16px;
  backdrop-filter:blur(8px);
}
.stat-num{font-size:22px;font-weight:800;color:#eaf9ff;line-height:1.2;}
.stat-num span{font-size:12px;font-weight:600;color:var(--brand);margin-left:3px;}
.stat-label{font-size:12px;color:var(--dim);margin-top:4px;}

.member-card{
  position:relative;overflow:hidden;
  border-radius:20px;padding:26px 24px;
  background:linear-gradient(160deg,rgba(42,34,16,.92),rgba(12,15,24,.95));
  border:1px solid rgba(240,194,100,.34);
  box-shadow:0 26px 60px -30px rgba(240,194,100,.55),inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(14px);
}
.member-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  background:radial-gradient(closest-side,rgba(240,194,100,.24),transparent);
  pointer-events:none;
}
.member-top{display:flex;align-items:center;gap:16px;position:relative;z-index:2;}
.crest{
  position:relative;width:62px;height:62px;flex-shrink:0;
  border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 32% 26%,rgba(245,212,136,.9),rgba(146,106,28,.92));
  box-shadow:0 0 0 1px rgba(255,230,170,.5),0 0 26px rgba(240,194,100,.5);
  color:#2a1e05;
}
.crest svg{width:28px;height:28px;}
.member-label{font-size:12px;letter-spacing:1.4px;color:#c9a862;text-transform:uppercase;}
.member-title{font-size:19px;font-weight:700;color:#f7e5ba;margin-top:4px;}
.member-list{
  position:relative;z-index:2;
  margin:20px 0 22px;display:grid;gap:10px;
}
.member-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:#c8d5e8;
  padding:10px 12px;border-radius:10px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(240,194,100,.14);
}
.member-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--gold);margin-top:8px;flex-shrink:0;
  box-shadow:0 0 8px rgba(240,194,100,.8);
}
.member-card .btn-gold{width:100%;position:relative;z-index:2;}
.member-note{
  position:relative;z-index:2;
  font-size:12px;color:#9c8f74;text-align:center;margin-top:12px;
}

/* ---------- sections ---------- */
.section{padding:64px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,rgba(11,20,36,.92),rgba(7,13,24,.92));
  border-top:1px solid rgba(120,170,255,.09);
  border-bottom:1px solid rgba(120,170,255,.09);
}
.section-head{max-width:760px;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.2px;color:var(--brand);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),transparent);
}
.section-head h2{
  font-size:27px;line-height:1.4;font-weight:750;color:#fff;
  letter-spacing:-.2px;margin-bottom:12px;
}
.section-head p{font-size:14.5px;color:var(--muted);line-height:1.85;}

.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}

.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
  backdrop-filter:blur(10px);
  height:100%;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--line-strong);
  background:var(--panel-strong);
}
.card-icon{
  width:40px;height:40px;border-radius:11px;
  display:grid;place-items:center;margin-bottom:14px;
  background:rgba(56,225,255,.1);
  border:1px solid rgba(56,225,255,.24);
  color:var(--brand);
}
.card-icon svg{width:20px;height:20px;}
.card h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:8px;}
.card p{font-size:13.8px;color:var(--muted);line-height:1.78;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:11.5px;color:#a8d8ff;
  background:rgba(76,141,255,.14);
  border:1px solid rgba(76,141,255,.26);
}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- band ---------- */
.band{
  display:grid;grid-template-columns:1fr 1fr;
  gap:34px;align-items:center;
  margin-top:34px;
}
.band:first-child{margin-top:0;}
.band.reverse .band-media{order:2;}
.band-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.band-body h3{font-size:20px;font-weight:720;color:#fff;margin-bottom:12px;}
.band-body p{font-size:14.2px;color:var(--muted);line-height:1.85;}
.band-body .tags{margin-top:16px;}

/* ---------- tiers ---------- */
.tier{
  position:relative;overflow:hidden;
  border-radius:var(--radius);
  padding:24px 22px;
  background:linear-gradient(165deg,rgba(32,28,16,.85),rgba(12,16,26,.92));
  border:1px solid rgba(240,194,100,.22);
  transition:transform .2s,box-shadow .2s,border-color .2s;
  height:100%;
}
.tier:hover{transform:translateY(-4px);border-color:rgba(240,194,100,.5);box-shadow:0 24px 48px -28px rgba(240,194,100,.5);}
.tier-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.tier-mark{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:radial-gradient(circle at 30% 25%,rgba(245,212,136,.85),rgba(150,110,30,.9));
  color:#2a1e05;font-weight:800;font-size:14px;flex-shrink:0;
  box-shadow:0 0 18px rgba(240,194,100,.35);
}
.tier-name{font-size:16px;font-weight:700;color:#f4e3bc;}
.tier-sub{font-size:12px;color:#9c8f74;margin-top:2px;}
.tier ul{display:grid;gap:9px;}
.tier li{
  font-size:13.4px;color:#c3d0e3;line-height:1.7;
  padding-left:16px;position:relative;
}
.tier li::before{
  content:"";position:absolute;left:0;top:9px;
  width:5px;height:5px;border-radius:50%;background:var(--gold);
}

/* ---------- rail ---------- */
.rail{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.rail-item{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.rail-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.rail-item img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.rail-body{padding:16px 16px 18px;}
.rail-body h3{font-size:15px;color:#fff;margin-bottom:6px;font-weight:700;}
.rail-body p{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- rule list ---------- */
.rule-list{display:grid;gap:12px;}
.rule-list li{
  display:flex;gap:14px;
  padding:16px 18px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);
  font-size:14px;color:#c6d4e8;line-height:1.75;
}
.rule-list .num{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#38e1ff,#4c8dff);
}
.note{
  margin-top:20px;padding:16px 18px;border-radius:12px;
  font-size:13.4px;color:#94a8c4;line-height:1.8;
  background:rgba(76,141,255,.07);
  border:1px dashed rgba(120,170,255,.28);
}

/* ---------- cases ---------- */
.case-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;
  transition:transform .2s,border-color .2s,box-shadow .2s;
  height:100%;
}
.case-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.case-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-size:14px;font-weight:700;
  color:#04101f;background:linear-gradient(135deg,#7ef0ff,#4c8dff);
}
.case-name{font-size:14.5px;font-weight:700;color:#fff;}
.case-tag{font-size:12px;color:var(--dim);}
.case-card p{font-size:13.8px;color:var(--muted);line-height:1.8;}

/* ---------- reviews ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.review{
  padding:20px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  border:1px solid var(--line);
  transition:transform .2s,border-color .2s;
  height:100%;
}
.review:hover{transform:translateY(-3px);border-color:var(--line-strong);}
.review p{font-size:13.8px;color:#c2d1e6;line-height:1.8;}
.review-by{margin-top:14px;font-size:12.5px;color:var(--dim);}

/* ---------- log ---------- */
.log{position:relative;padding-left:24px;}
.log::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(56,225,255,.6),rgba(76,141,255,.1));
}
.log-item{position:relative;padding:0 0 22px 8px;}
.log-item:last-child{padding-bottom:0;}
.log-item::before{
  content:"";position:absolute;left:-24px;top:8px;
  width:10px;height:10px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 12px rgba(56,225,255,.8);
}
.log-date{font-size:12.5px;color:var(--brand);letter-spacing:.6px;margin-bottom:4px;}
.log-title{font-size:15px;font-weight:700;color:#eaf3ff;margin-bottom:4px;}
.log-desc{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;counter-reset:step;}
.step{
  position:relative;padding:24px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .2s,border-color .2s;
  height:100%;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;margin-bottom:14px;
  font-size:14px;font-weight:800;color:#04101f;
  background:linear-gradient(135deg,#7ef0ff,#4c8dff);
  box-shadow:0 0 16px rgba(56,225,255,.45);
}
.step h3{font-size:16px;color:#fff;margin-bottom:8px;font-weight:700;}
.step p{font-size:13.6px;color:var(--muted);line-height:1.78;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;align-items:start;}
.post-list{display:grid;gap:14px;}
.post-card{
  display:block;padding:18px 20px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .2s,border-color .2s,background .2s;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--line-strong);background:var(--panel-strong);}
.post-card h3{font-size:15.5px;color:#eaf3ff;font-weight:700;margin-bottom:6px;line-height:1.55;}
.post-card p{font-size:13.4px;color:var(--muted);line-height:1.75;}
.post-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;font-size:12px;color:var(--dim);}
.post-meta .cat{color:#9fd4ff;}
.side-panel{
  padding:22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(20,34,58,.9),rgba(10,17,30,.94));
  border:1px solid var(--line);
}
.side-panel h3{font-size:15.5px;color:#fff;margin-bottom:14px;font-weight:700;}
.side-list{display:grid;gap:12px;}
.side-list a{
  display:block;font-size:13.5px;color:#b9cbe2;line-height:1.65;
  padding-bottom:12px;border-bottom:1px dashed rgba(120,170,255,.18);
  transition:color .2s;
}
.side-list a:last-child{border-bottom:0;padding-bottom:0;}
.side-list a:hover{color:var(--brand);}
.empty{
  font-size:13.5px;color:var(--dim);
  padding:18px;border-radius:12px;
  border:1px dashed rgba(120,170,255,.24);
  background:rgba(255,255,255,.02);
}

/* ---------- category wall ---------- */
.cat-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.cat-card{
  position:relative;overflow:hidden;display:block;
  border-radius:var(--radius);min-height:170px;
  border:1px solid var(--line);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,12,22,.35),rgba(6,12,22,.92));
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.cat-card:hover img{transform:scale(1.05);}
.cat-body{position:relative;z-index:2;padding:20px;display:flex;flex-direction:column;justify-content:flex-end;min-height:170px;}
.cat-body h3{font-size:16.5px;color:#fff;margin-bottom:6px;font-weight:700;}
.cat-body p{font-size:13px;color:#b4c6dd;line-height:1.7;}
.more-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:22px;
  font-size:13.5px;color:var(--brand);font-weight:600;
  transition:gap .2s,color .2s;
}
.more-link:hover{gap:10px;color:#8ff2ff;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:56px 0;
  background:url("/assets/images/d34389bf228fd2ce.webp") center/cover no-repeat;
  border-top:1px solid rgba(56,225,255,.2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(6,12,22,.94),rgba(10,26,52,.86));
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:26px;
}
.cta-inner h2{font-size:26px;font-weight:780;color:#fff;margin-bottom:10px;line-height:1.4;}
.cta-inner p{font-size:14.5px;color:#a9bcd8;max-width:640px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{
  background:#050a13;
  border-top:1px solid var(--line);
  padding:52px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;
  gap:36px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:13.4px;color:var(--dim);line-height:1.85;max-width:360px;}
.footer-col h4{
  font-size:13.5px;color:#dbe7f7;font-weight:700;
  margin-bottom:14px;letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.4px;color:var(--dim);transition:color .2s;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(120,170,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#5f7290;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:34px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rail{grid-template-columns:repeat(2,minmax(0,1fr));}
  .reviews{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:1fr;}
  .cat-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav a{padding:0 10px;font-size:13.5px;}
}
@media (max-width:860px){
  .nav-toggle{display:flex;}
  .nav{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px 22px 18px;
    margin-left:0;
    background:rgba(8,15,27,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -24px rgba(0,0,0,.95);
    display:none;
  }
  .nav.open{display:flex;}
  .nav a{height:44px;padding:0 14px;font-size:14.5px;}
  .header-cta{display:none;}
  .grid-3,.grid-2,.steps,.reviews{grid-template-columns:1fr;}
  .band{grid-template-columns:1fr;gap:20px;}
  .band.reverse .band-media{order:0;}
  .hero{padding:48px 0 46px;}
  .hero h1{font-size:29px;}
  .section{padding:50px 0;}
  .section-head h2{font-size:23px;}
  .cta-inner h2{font-size:22px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo-text{font-size:13px;}
  .hero h1{font-size:25px;line-height:1.35;}
  .hero-sub{font-size:14.5px;}
  .hero-stats{grid-template-columns:1fr;gap:10px;}
  .grid-4,.rail,.cat-wall{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .stat{padding:12px 14px;}
  .member-card{padding:22px 18px;}
  .section-head h2{font-size:21px;}
}

/* roulang page: article */
:root{
 --bg:#070d18;
 --bg-2:#0b1424;
 --bg-3:#0d1930;
 --panel:rgba(255,255,255,.045);
 --panel-strong:rgba(255,255,255,.075);
 --line:rgba(140,180,255,.16);
 --line-strong:rgba(56,225,255,.42);
 --text:#e8f0ff;
 --muted:#93a6c4;
 --dim:#6f82a1;
 --brand:#38e1ff;
 --brand-2:#4c8dff;
 --gold:#f0c264;
 --gold-deep:#b9892f;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px -24px rgba(0,0,0,.95);
 --shadow-hover:0 26px 52px -26px rgba(0,0,0,.98);
 --glow:0 10px 28px -10px rgba(56,225,255,.62);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,.btn:focus-visible{
 outline:2px solid var(--brand);
 outline-offset:3px;
 border-radius:8px;
}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(7,13,24,.86);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 10px 30px -22px rgba(0,0,0,.9);
}
.header-inner{
 display:flex;align-items:center;gap:20px;
 height:64px;min-height:64px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
 width:32px;height:32px;border-radius:10px;
 background:linear-gradient(140deg,#38e1ff,#4c8dff);
 box-shadow:0 0 18px rgba(56,225,255,.5);
 display:grid;place-items:center;color:#04101f;
 flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:15px;font-weight:700;letter-spacing:.3px;color:#fff;white-space:nowrap;}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav a{
 display:inline-flex;align-items:center;height:36px;padding:0 13px;
 border-radius:8px;font-size:14px;color:var(--muted);
 transition:color .2s,background .2s,box-shadow .2s;
 white-space:nowrap;
}
.nav a:hover{color:#fff;background:rgba(56,225,255,.09);}
.nav a.active{
 color:#eaf9ff;background:rgba(56,225,255,.13);
 box-shadow:inset 0 0 0 1px rgba(56,225,255,.3);
}
.header-cta{margin-left:6px;}
.nav-toggle{
 display:none;margin-left:auto;
 width:42px;height:42px;border-radius:10px;
 background:rgba(255,255,255,.05);
 border:1px solid var(--line);
 color:var(--text);cursor:pointer;
 align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:42px;padding:0 20px;border-radius:var(--radius-sm);
 font-size:14px;font-weight:600;line-height:1;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
}
.btn-primary{
 background:linear-gradient(135deg,#38e1ff,#4c8dff);
 color:#04101f;
 box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(56,225,255,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
 border-color:rgba(120,170,255,.34);
 color:#cfe2ff;background:rgba(255,255,255,.03);
}
.btn-ghost:hover{
 background:rgba(56,225,255,.1);
 border-color:rgba(56,225,255,.55);
 transform:translateY(-2px);
}
.btn-gold{
 background:linear-gradient(135deg,#f5d488,#d3a13d);
 color:#241a05;
 box-shadow:0 12px 28px -12px rgba(240,194,100,.85);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(240,194,100,.9);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}
/* ---------- article hero ---------- */
.article-hero{
 position:relative;overflow:hidden;
 padding:54px 0 48px;
 background:url("/assets/images/cbf926715e057b66.webp") center/cover no-repeat;
 border-bottom:1px solid var(--line);
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(58% 70% at 82% 4%,rgba(76,141,255,.30),transparent 70%),
 linear-gradient(180deg,rgba(5,10,20,.90),rgba(7,13,24,.97));
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
 display:flex;align-items:center;gap:8px;flex-wrap:wrap;
 font-size:13px;color:var(--dim);margin-bottom:18px;
}
.breadcrumb a{color:var(--muted);transition:color .2s;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(147,166,196,.45);}
.hero-tagline{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;letter-spacing:.4px;
 color:#bfe9ff;background:rgba(56,225,255,.1);
 border:1px solid rgba(56,225,255,.3);
 margin-bottom:16px;
}
.hero-tagline .dot{
 width:6px;height:6px;border-radius:50%;background:var(--brand);
 box-shadow:0 0 10px var(--brand);
}
.article-hero h1{
 font-size:36px;line-height:1.34;font-weight:800;letter-spacing:-.4px;
 color:#fff;max-width:900px;margin-bottom:18px;
}
.article-meta{
 display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
 font-size:13.5px;color:var(--muted);
}
.article-meta .chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:999px;
 background:rgba(255,255,255,.06);
 border:1px solid var(--line);
 color:#c6d8f0;
}
.article-meta .chip svg{width:13px;height:13px;}
/* ---------- section base ---------- */
.section{padding:62px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:30px;max-width:760px;}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;letter-spacing:1.2px;color:#7fd6f5;
 text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,#38e1ff,#4c8dff);
}
.section-title{font-size:26px;line-height:1.4;font-weight:750;color:#fff;letter-spacing:-.2px;}
.section-desc{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted);}
/* ---------- article shell ---------- */
.article-shell{
 max-width:900px;margin:0 auto;
 padding:46px 0 10px;
}
.article-cover{
 position:relative;border-radius:var(--radius);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow);
 margin-bottom:34px;aspect-ratio:16/7;background:var(--bg-3);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-body{
 font-size:15.5px;line-height:1.92;color:#cfdcef;
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:36px 34px;
 box-shadow:var(--shadow);
 backdrop-filter:blur(12px);
 -webkit-backdrop-filter:blur(12px);
}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{
 font-size:23px;line-height:1.45;color:#fff;
 margin:38px 0 16px;padding-left:14px;
 border-left:3px solid var(--brand);
 letter-spacing:-.2px;
}
.article-body h3{
 font-size:18px;line-height:1.5;color:#dfeaff;
 margin:28px 0 12px;
}
.article-body h4{font-size:16px;color:#cfe2ff;margin:22px 0 10px;}
.article-body a{color:#7de9ff;border-bottom:1px solid rgba(56,225,255,.35);}
.article-body a:hover{color:#fff;border-bottom-color:#fff;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:9px;}
.article-body strong{color:#8ef0ff;font-weight:700;}
.article-body img{border-radius:12px;margin:22px 0;border:1px solid var(--line);}
.article-body blockquote{
 margin:24px 0;padding:18px 22px;
 border-left:3px solid var(--gold);
 background:rgba(240,194,100,.07);
 border-radius:0 12px 12px 0;
 color:#e6d4ab;font-size:15px;
}
.article-body table{
 width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;
 border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:rgba(56,225,255,.08);color:#bfe9ff;font-weight:600;}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.025);}
.empty-state{
 text-align:center;padding:64px 28px;
 background:var(--panel);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow);
}
.empty-state h2{font-size:24px;color:#fff;margin-bottom:12px;}
.empty-state p{color:var(--muted);margin-bottom:24px;font-size:14.5px;}
/* ---------- pull quote ---------- */
.quote-band{
 position:relative;
 padding:46px 40px;
 border-radius:var(--radius);
 background:linear-gradient(135deg,rgba(56,225,255,.10),rgba(76,141,255,.06));
 border:1px solid var(--line-strong);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.quote-band::before{
 content:"“";position:absolute;left:22px;top:-8px;
 font-size:120px;line-height:1;color:rgba(56,225,255,.18);
 font-family:Georgia,serif;
}
.quote-band p{
 position:relative;z-index:2;
 font-size:19px;line-height:1.85;color:#e4f1ff;font-weight:600;
 max-width:820px;
}
.quote-band .quote-by{
 display:block;margin-top:16px;font-size:13px;font-weight:400;
 color:var(--dim);letter-spacing:.5px;
}
/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.card{
 position:relative;
 display:flex;flex-direction:column;
 padding:24px 22px;
 border-radius:var(--radius);
 background:var(--panel);
 border:1px solid var(--line);
 box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.card:hover{
 transform:translateY(-4px);
 box-shadow:var(--shadow-hover);
 border-color:var(--line-strong);
 background:var(--panel-strong);
}
.card-icon{
 width:42px;height:42px;border-radius:12px;
 display:grid;place-items:center;
 background:rgba(56,225,255,.12);
 border:1px solid rgba(56,225,255,.28);
 color:var(--brand);
 margin-bottom:16px;
}
.card-icon svg{width:20px;height:20px;}
.card h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:9px;line-height:1.5;}
.card p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 11px;border-radius:999px;
 font-size:12px;line-height:1.6;
 color:#9fe6ff;background:rgba(56,225,255,.09);
 border:1px solid rgba(56,225,255,.24);
}
.tag-gold{color:#f2d79a;background:rgba(240,194,100,.1);border-color:rgba(240,194,100,.3);}
/* ---------- tier table ---------- */
.tier-wrap{
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:var(--panel);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.tier-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.tier-table thead th{
 background:rgba(56,225,255,.09);
 color:#bfe9ff;font-weight:600;
 text-align:left;padding:15px 18px;
 border-bottom:1px solid var(--line);
 white-space:nowrap;
}
.tier-table td{
 padding:15px 18px;
 border-bottom:1px solid rgba(140,180,255,.09);
 color:#c8d6ea;vertical-align:top;
}
.tier-table tbody tr:last-child td{border-bottom:0;}
.tier-table tbody tr{transition:background .2s;}
.tier-table tbody tr:hover{background:rgba(56,225,255,.045);}
.tier-table td:first-child{color:#fff;font-weight:600;white-space:nowrap;}
.tier-table .num{color:var(--gold);font-weight:700;}
/* ---------- misconception list ---------- */
.mis-list{display:grid;gap:14px;}
.mis-item{
 display:flex;gap:16px;align-items:flex-start;
 padding:20px 22px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 transition:transform .2s,border-color .2s,background .2s,box-shadow .2s;
}
.mis-item:hover{
 transform:translateX(4px);
 border-color:var(--line-strong);
 background:var(--panel-strong);
 box-shadow:var(--shadow);
}
.mis-no{
 flex-shrink:0;
 width:34px;height:34px;border-radius:10px;
 display:grid;place-items:center;
 font-size:13.5px;font-weight:700;
 color:#ffd9a0;background:rgba(240,194,100,.12);
 border:1px solid rgba(240,194,100,.3);
}
.mis-body h3{font-size:15.5px;color:#fff;margin-bottom:6px;font-weight:700;}
.mis-body p{font-size:14px;color:var(--muted);line-height:1.8;}
/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.check-item{
 display:flex;gap:12px;align-items:flex-start;
 padding:18px 20px;border-radius:var(--radius-sm);
 background:rgba(255,255,255,.035);
 border:1px solid var(--line);
 transition:border-color .2s,background .2s;
}
.check-item:hover{border-color:var(--line-strong);background:rgba(56,225,255,.06);}
.check-mark{
 flex-shrink:0;width:22px;height:22px;border-radius:50%;
 display:grid;place-items:center;
 background:rgba(56,225,255,.16);
 border:1px solid rgba(56,225,255,.4);
 color:var(--brand);margin-top:2px;
}
.check-mark svg{width:12px;height:12px;}
.check-item strong{display:block;font-size:14.5px;color:#eaf3ff;margin-bottom:4px;}
.check-item span{font-size:13.5px;color:var(--muted);line-height:1.75;}
/* ---------- CTA band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:20px;
 padding:48px 40px;
 background:
 radial-gradient(70% 120% at 88% 0%,rgba(56,225,255,.20),transparent 62%),
 linear-gradient(150deg,rgba(14,26,46,.96),rgba(8,14,26,.98));
 border:1px solid var(--line-strong);
 box-shadow:0 30px 70px -40px rgba(56,225,255,.7);
}
.cta-band::after{
 content:"";position:absolute;left:-60px;bottom:-80px;
 width:240px;height:240px;border-radius:50%;
 background:radial-gradient(closest-side,rgba(76,141,255,.22),transparent);
 pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;gap:36px;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.cta-text h2{font-size:26px;line-height:1.4;color:#fff;font-weight:750;margin-bottom:10px;letter-spacing:-.3px;}
.cta-text p{font-size:14.5px;color:#a9bcd8;max-width:560px;line-height:1.85;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- footer ---------- */
.site-footer{
 margin-top:0;
 background:var(--bg-3);
 border-top:1px solid var(--line);
 padding:52px 0 26px;
}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1fr;
 gap:40px;padding-bottom:36px;
 border-bottom:1px solid rgba(140,180,255,.12);
}
.footer-brand p{
 margin-top:16px;font-size:13.5px;line-height:1.85;
 color:var(--muted);max-width:380px;
}
.footer-col h4{
 font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;
 letter-spacing:.3px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
 font-size:13.5px;color:var(--muted);
 transition:color .2s,padding-left .2s;
}
.footer-col a:hover{color:var(--brand);padding-left:4px;}
.footer-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:14px;
 flex-wrap:wrap;padding-top:22px;
 font-size:12.5px;color:var(--dim);
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .nav{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  padding:14px 18px 18px;
  background:rgba(9,16,29,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 24px 46px -26px rgba(0,0,0,.95);
  display:none;
 }
 .nav.open{display:flex;}
 .nav a{height:44px;justify-content:flex-start;padding:0 14px;font-size:14.5px;}
 .nav-toggle{display:flex;}
 .header-cta{display:none;}
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .article-hero h1{font-size:31px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:768px){
 .container{padding:0 18px;}
 .section{padding:48px 0;}
 .section-title{font-size:22px;}
 .article-hero{padding:40px 0 36px;}
 .article-hero h1{font-size:26px;line-height:1.4;}
 .article-shell{padding:34px 0 6px;}
 .article-body{padding:26px 20px;font-size:15px;}
 .article-body h2{font-size:20px;}
 .article-cover{aspect-ratio:16/9;}
 .grid-3,.grid-2,.check-grid{grid-template-columns:1fr;}
 .quote-band{padding:34px 24px;}
 .quote-band p{font-size:17px;}
 .tier-wrap{overflow-x:auto;}
 .tier-table{min-width:660px;}
 .cta-band{padding:34px 24px;}
 .cta-text h2{font-size:22px;}
 .cta-inner{gap:24px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
 .logo-text{font-size:14px;max-width:170px;overflow:hidden;text-overflow:ellipsis;}
 .article-meta{gap:8px 12px;font-size:12.5px;}
 .article-body{padding:22px 16px;}
 .btn{height:44px;padding:0 18px;}
 .btn-sm{height:40px;}
 .cta-actions{width:100%;}
 .cta-actions .btn{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
  --bg:#070d18;
  --bg-2:#0b1424;
  --bg-3:#0d1930;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.075);
  --line:rgba(140,180,255,.16);
  --line-strong:rgba(56,225,255,.42);
  --text:#e8f0ff;
  --muted:#93a6c4;
  --dim:#6f82a1;
  --brand:#38e1ff;
  --brand-2:#4c8dff;
  --gold:#f0c264;
  --gold-deep:#b9892f;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.95);
  --shadow-hover:0 26px 52px -26px rgba(0,0,0,.98);
  --glow:0 10px 28px -10px rgba(56,225,255,.62);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,.btn:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:3px;
  border-radius:8px;
}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,13,24,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -22px rgba(0,0,0,.9);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;min-height:64px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(140deg,#38e1ff,#4c8dff);
  box-shadow:0 0 18px rgba(56,225,255,.5);
  display:grid;place-items:center;color:#04101f;flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:15px;font-weight:700;letter-spacing:.3px;color:#fff;white-space:nowrap;}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav a{
  display:inline-flex;align-items:center;height:36px;padding:0 13px;
  border-radius:8px;font-size:14px;color:var(--muted);
  transition:color .2s,background .2s,box-shadow .2s;
  white-space:nowrap;
}
.nav a:hover{color:#fff;background:rgba(56,225,255,.09);}
.nav a.active{
  color:#eaf9ff;background:rgba(56,225,255,.13);
  box-shadow:inset 0 0 0 1px rgba(56,225,255,.3);
}
.header-cta{margin-left:6px;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
}
.btn-primary{background:linear-gradient(135deg,#38e1ff,#4c8dff);color:#04101f;box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(56,225,255,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:rgba(120,170,255,.34);color:#cfe2ff;background:rgba(255,255,255,.03);}
.btn-ghost:hover{background:rgba(56,225,255,.1);border-color:rgba(56,225,255,.55);transform:translateY(-2px);}
.btn-gold{background:linear-gradient(135deg,#f5d488,#d3a13d);color:#241a05;box-shadow:0 12px 28px -12px rgba(240,194,100,.85);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(240,194,100,.9);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:54px 0 66px;
  background:url("/assets/images/d34389bf228fd2ce.webp") center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(58% 62% at 84% 4%,rgba(76,141,255,.30),transparent 68%),
    linear-gradient(180deg,rgba(6,11,21,.90),rgba(7,13,24,.97));
}
.page-hero::after{
  content:"";position:absolute;left:-12%;bottom:-46%;width:62%;height:86%;
  background:radial-gradient(closest-side,rgba(56,225,255,.16),transparent);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--dim);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:var(--muted);transition:color .2s;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.45;}
.crumb .cur{color:#c6dcff;}
.hero-grid-2{display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:center;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.6px;
  color:#bfe9ff;background:rgba(56,225,255,.1);
  border:1px solid rgba(56,225,255,.3);
  margin-bottom:18px;
}
.badge-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
.page-hero h1{
  font-size:40px;line-height:1.26;font-weight:800;
  letter-spacing:-.6px;color:#fff;margin-bottom:16px;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,#7ef0ff,#4c8dff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:15.4px;line-height:1.85;color:#a9bcd8;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- glass panel ---------- */
.glass-panel{
  position:relative;overflow:hidden;
  border-radius:18px;padding:26px 24px;
  background:linear-gradient(160deg,rgba(255,255,255,.095),rgba(255,255,255,.028));
  border:1px solid rgba(140,180,255,.24);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.glass-panel::after{
  content:"";position:absolute;right:-50px;top:-50px;width:190px;height:190px;
  background:radial-gradient(closest-side,rgba(56,225,255,.22),transparent);
  pointer-events:none;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;position:relative;z-index:2;}
.panel-label{font-size:14px;font-weight:700;color:#e6f4ff;letter-spacing:.4px;}
.panel-list{display:grid;gap:10px;position:relative;z-index:2;}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 14px;border-radius:10px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(140,180,255,.14);
  font-size:13.4px;color:var(--muted);
}
.panel-list li strong{color:#d8f2ff;font-weight:700;font-size:13.6px;}
.panel-note{
  position:relative;z-index:2;margin-top:18px;padding-top:16px;
  border-top:1px dashed rgba(140,180,255,.22);
  font-size:13px;line-height:1.8;color:var(--dim);
}

/* ---------- sections ---------- */
.section{padding:66px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,var(--bg-2),var(--bg));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:740px;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;letter-spacing:1.8px;
  color:#8fd6ff;margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:24px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(56,225,255,0));
}
.section-title{font-size:27px;font-weight:800;letter-spacing:-.3px;color:#fff;line-height:1.4;}
.section-desc{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ---------- grids & cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.card{
  position:relative;border-radius:var(--radius);padding:24px 22px;
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s,background .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);background:var(--panel-strong);}
.card-icon{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(56,225,255,.12);border:1px solid rgba(56,225,255,.3);
  color:var(--brand);margin-bottom:16px;
}
.card-icon svg{width:20px;height:20px;}
.card h3{font-size:16.5px;font-weight:700;color:#eaf3ff;margin-bottom:10px;}
.card p{font-size:13.8px;line-height:1.82;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:999px;font-size:12px;font-weight:500;
  color:#a9e9ff;background:rgba(56,225,255,.1);border:1px solid rgba(56,225,255,.26);
  white-space:nowrap;
}
.tag-gold{color:#f7e2b0;background:rgba(240,194,100,.12);border-color:rgba(240,194,100,.34);}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ---------- split media ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:36px;align-items:center;}
.media{
  border-radius:16px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;background:var(--bg-3);
}
.media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.media-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 18px 14px;font-size:12.6px;color:#cfe3ff;
  background:linear-gradient(180deg,rgba(6,11,21,0),rgba(6,11,21,.88));
}
.scene-list{display:grid;gap:14px;}
.scene-item{
  padding:18px 20px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .2s,border-color .2s,background .2s;
}
.scene-item:hover{transform:translateX(4px);border-color:var(--line-strong);background:var(--panel-strong);}
.scene-item h3{font-size:15.6px;font-weight:700;color:#eaf3ff;margin-bottom:7px;display:flex;align-items:center;gap:10px;}
.scene-item p{font-size:13.6px;line-height:1.8;color:var(--muted);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step{
  position:relative;padding:24px 20px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.step-num{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.2px;
  color:var(--gold);margin-bottom:12px;
}
.step h3{font-size:15.6px;font-weight:700;color:#eaf3ff;margin-bottom:8px;}
.step p{font-size:13.5px;line-height:1.8;color:var(--muted);}

/* ---------- spec rows ---------- */
.spec-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;}
.spec-list{display:grid;gap:12px;}
.spec-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 18px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:13.8px;color:var(--muted);
  transition:border-color .2s,background .2s;
}
.spec-row:hover{border-color:var(--line-strong);background:rgba(56,225,255,.07);}
.spec-row strong{color:#d8f2ff;font-weight:700;}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.compare-card{
  padding:22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(76,141,255,.10),rgba(255,255,255,.03));
  border:1px solid var(--line);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.compare-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.compare-card .label{font-size:12.5px;letter-spacing:1px;color:#8fd6ff;margin-bottom:10px;}
.compare-card h3{font-size:16px;font-weight:700;color:#eaf3ff;margin-bottom:10px;}
.compare-card p{font-size:13.6px;line-height:1.8;color:var(--muted);}

/* ---------- quotes ---------- */
.quote-card{
  position:relative;padding:26px 24px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.quote-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.quote-card::before{
  content:"“";position:absolute;top:6px;left:18px;
  font-size:44px;line-height:1;color:rgba(56,225,255,.28);
  font-family:Georgia,serif;
}
.quote-card p{position:relative;font-size:14px;line-height:1.85;color:#cddff5;margin-bottom:16px;}
.quote-meta{display:flex;align-items:center;gap:10px;font-size:12.8px;color:var(--dim);}
.quote-meta .avatar{
  width:28px;height:28px;border-radius:50%;
  background:linear-gradient(140deg,#38e1ff,#4c8dff);
  box-shadow:0 0 14px rgba(56,225,255,.45);
  flex-shrink:0;
}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;}
.faq-item{
  border-radius:12px;background:var(--panel);border:1px solid var(--line);
  overflow:hidden;transition:border-color .2s,background .2s;
}
.faq-item[open]{border-color:var(--line-strong);background:var(--panel-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;
  font-weight:600;font-size:14.6px;color:#e9f3ff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:19px;line-height:1;color:var(--brand);
  transition:transform .2s;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 20px 20px;color:var(--muted);font-size:14px;line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;padding:40px;
  background:linear-gradient(135deg,rgba(56,225,255,.16),rgba(76,141,255,.09));
  border:1px solid rgba(56,225,255,.32);
  box-shadow:0 26px 60px -30px rgba(56,225,255,.5),inset 0 1px 0 rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;font-weight:800;color:#fff;line-height:1.42;margin-bottom:10px;letter-spacing:-.2px;}
.cta-band p{font-size:14px;color:#a9c6e8;line-height:1.8;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-2),#050a13);
  padding:52px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;}
.footer-brand p{margin-top:14px;font-size:13.6px;color:var(--muted);max-width:350px;line-height:1.85;}
.footer-col h4{font-size:14px;color:#dfeaff;margin-bottom:14px;font-weight:700;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.6px;color:var(--muted);transition:color .2s;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:12.8px;color:var(--dim);flex-wrap:wrap;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid-2{grid-template-columns:1fr;gap:30px;}
  .page-hero h1{font-size:34px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:26px;}
  .spec-wrap{grid-template-columns:1fr;gap:26px;}
  .compare{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:900px){
  .nav{
    position:absolute;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:4px;
    margin:0;padding:12px;
    background:rgba(8,14,26,.985);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 44px -24px rgba(0,0,0,.95);
    display:none;
  }
  .nav.open{display:flex;}
  .nav a{height:44px;justify-content:flex-start;padding:0 14px;font-size:14.5px;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .section-title{font-size:23px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:20px;}
  .page-hero{padding:40px 0 52px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo-text{font-size:13.6px;}
  .page-hero h1{font-size:28px;line-height:1.32;}
  .hero-sub{font-size:14.4px;}
  .hero-actions .btn{width:100%;}
  .section-title{font-size:21px;}
  .card{padding:20px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category2 */
/* roulang page: category2 */
:root{
  --bg:#070d18;
  --bg-2:#0b1424;
  --bg-3:#0d1930;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.075);
  --line:rgba(140,180,255,.16);
  --line-strong:rgba(56,225,255,.42);
  --text:#e8f0ff;
  --muted:#93a6c4;
  --dim:#6f82a1;
  --brand:#38e1ff;
  --brand-2:#4c8dff;
  --gold:#f0c264;
  --gold-deep:#b9892f;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.95);
  --shadow-hover:0 26px 52px -26px rgba(0,0,0,.98);
  --glow:0 10px 28px -10px rgba(56,225,255,.62);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,.btn:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;
}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,13,24,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -22px rgba(0,0,0,.9);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;min-height:64px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(140deg,#38e1ff,#4c8dff);
  box-shadow:0 0 18px rgba(56,225,255,.5);
  display:grid;place-items:center;color:#04101f;flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:15px;font-weight:700;letter-spacing:.3px;color:#fff;white-space:nowrap;}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav a{
  display:inline-flex;align-items:center;height:36px;padding:0 13px;
  border-radius:8px;font-size:14px;color:var(--muted);white-space:nowrap;
  transition:color .2s,background .2s,box-shadow .2s;
}
.nav a:hover{color:#fff;background:rgba(56,225,255,.09);}
.nav a.active{color:#eaf9ff;background:rgba(56,225,255,.13);box-shadow:inset 0 0 0 1px rgba(56,225,255,.3);}
.header-cta{margin-left:6px;}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:rgba(56,225,255,.12);border-color:var(--line-strong);}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
}
.btn-primary{background:linear-gradient(135deg,#38e1ff,#4c8dff);color:#04101f;box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(56,225,255,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:rgba(120,170,255,.34);color:#cfe2ff;background:rgba(255,255,255,.03);}
.btn-ghost:hover{background:rgba(56,225,255,.1);border-color:rgba(56,225,255,.55);transform:translateY(-2px);}
.btn-gold{background:linear-gradient(135deg,#f5d488,#d3a13d);color:#241a05;box-shadow:0 12px 28px -12px rgba(240,194,100,.85);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(240,194,100,.9);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:34px 0 56px;
  background:url("/assets/images/d34389bf228fd2ce.webp") center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(62% 72% at 80% 0%,rgba(76,141,255,.30),transparent 70%),
    linear-gradient(180deg,rgba(6,11,21,.90),rgba(7,13,24,.97));
}
.page-hero::after{
  content:"";position:absolute;left:-12%;bottom:-46%;width:58%;height:86%;
  background:radial-gradient(closest-side,rgba(240,194,100,.16),transparent);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--dim);margin-bottom:22px;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(140,180,255,.35);}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.6px;color:#f7e5ba;background:rgba(240,194,100,.10);
  border:1px solid rgba(240,194,100,.32);margin-bottom:18px;
}
.hero-kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold);}
.page-hero h1{
  font-size:38px;line-height:1.28;font-weight:800;letter-spacing:-.5px;color:#fff;max-width:820px;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,#7ef0ff,#4c8dff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:720px;margin-top:16px;font-size:15.5px;line-height:1.85;color:#a9bcd8;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:12.5px;color:#bfe9ff;background:rgba(56,225,255,.08);
  border:1px solid rgba(56,225,255,.26);
}
.tier-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:36px;}
.tier-chip{
  display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;
  background:linear-gradient(150deg,rgba(48,38,16,.72),rgba(12,17,28,.88));
  border:1px solid rgba(240,194,100,.26);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.tier-chip:hover{transform:translateY(-3px);border-color:rgba(240,194,100,.55);box-shadow:0 18px 34px -22px rgba(240,194,100,.75);}
.tier-seal{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#1d1503;letter-spacing:.5px;
  background:linear-gradient(140deg,#f5d488,#c99a37);
  box-shadow:0 0 18px rgba(240,194,100,.42);
}
.tier-chip strong{display:block;font-size:13.5px;color:#f3e6c6;font-weight:700;}
.tier-chip span{display:block;font-size:12px;color:#9fb0c8;}

/* ---------- section ---------- */
.section{padding:66px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid rgba(140,180,255,.08);border-bottom:1px solid rgba(140,180,255,.08);}
.section-deep{
  position:relative;overflow:hidden;
  background:url("/assets/images/9556a1a097c390f7.webp") center/cover no-repeat;
}
.section-deep::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,14,26,.94),rgba(9,16,30,.97));
}
.section-deep .container{position:relative;z-index:2;}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-kicker{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:1.2px;color:var(--brand);margin-bottom:12px;}
.sec-kicker::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--brand),transparent);}
.sec-head h2{font-size:27px;line-height:1.35;font-weight:800;color:#fff;letter-spacing:-.2px;}
.sec-head p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- grids & cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}

.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
  transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);background:var(--panel-strong);}
.card-icon{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  color:var(--brand);background:rgba(56,225,255,.10);border:1px solid rgba(56,225,255,.24);
  margin-bottom:16px;
}
.card-icon svg{width:20px;height:20px;}
.card h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:10px;letter-spacing:.1px;}
.card p{font-size:14px;color:var(--muted);line-height:1.8;}
.card .card-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:14px;
  border-top:1px dashed rgba(140,180,255,.16);
}
.card .card-meta span{font-size:12px;color:#9fbcd8;background:rgba(56,225,255,.07);border:1px solid rgba(56,225,255,.18);border-radius:6px;padding:3px 9px;}

.media-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.media-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-3);}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.media-card:hover .thumb img{transform:scale(1.05);}
.media-card .body{padding:20px;}
.media-card h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:10px;}
.media-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.media-card .body .card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.media-card .body .card-meta span{font-size:12px;color:#9fbcd8;background:rgba(56,225,255,.07);border:1px solid rgba(56,225,255,.18);border-radius:6px;padding:3px 9px;}

/* ---------- codex list ---------- */
.codex{display:grid;gap:12px;}
.codex-item{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;
  padding:16px 20px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .2s,border-color .2s,background .2s;
}
.codex-item:hover{transform:translateX(4px);border-color:var(--line-strong);background:var(--panel-strong);}
.codex-idx{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#04101f;
  background:linear-gradient(140deg,#38e1ff,#4c8dff);box-shadow:0 8px 20px -12px rgba(56,225,255,.9);
}
.codex-main strong{display:block;font-size:15px;color:#fff;font-weight:700;}
.codex-main em{display:block;margin-top:4px;font-style:normal;font-size:13.5px;color:var(--muted);line-height:1.75;}
.codex-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;}
.codex-tags span{font-size:12px;color:#f3e6c6;background:rgba(240,194,100,.10);border:1px solid rgba(240,194,100,.28);border-radius:6px;padding:3px 9px;white-space:nowrap;}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step;}
.flow-step{
  position:relative;padding:24px 20px;border-radius:12px;
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:transform .2s,border-color .2s,background .2s;
}
.flow-step:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(56,225,255,.06);}
.flow-step .no{
  display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;
  font-size:13px;font-weight:800;color:#04101f;
  background:linear-gradient(140deg,#38e1ff,#4c8dff);margin-bottom:14px;
}
.flow-step h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:8px;}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* ---------- stat band ---------- */
.stat-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:8px;}
.stat{
  padding:24px 20px;border-radius:12px;
  background:linear-gradient(160deg,rgba(56,225,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(56,225,255,.22);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.stat:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.5);box-shadow:0 20px 40px -28px rgba(56,225,255,.9);}
.stat b{display:block;font-size:26px;font-weight:800;color:#7ef0ff;letter-spacing:-.5px;line-height:1.2;}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-wrap{display:grid;gap:12px;}
.faq{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:0 20px;transition:border-color .2s,background .2s;
}
.faq:hover{border-color:var(--line-strong);background:var(--panel-strong);}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:15px;font-weight:600;color:#eaf3ff;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--brand);font-size:20px;line-height:1;transition:transform .2s;flex-shrink:0;}
.faq[open] summary::after{transform:rotate(45deg);}
.faq p{padding:0 0 20px;margin:0;font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.news-item{
  display:block;padding:22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);background:var(--panel-strong);}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.news-meta .tag{
  font-size:12px;color:#bfe9ff;background:rgba(56,225,255,.09);
  border:1px solid rgba(56,225,255,.24);border-radius:6px;padding:3px 9px;
}
.news-meta .date{font-size:12px;color:var(--dim);}
.news-item h3{font-size:16px;font-weight:700;color:#fff;line-height:1.55;margin-bottom:10px;}
.news-item p{font-size:13.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-empty{
  grid-column:1/-1;padding:34px 24px;text-align:center;border-radius:12px;
  border:1px dashed rgba(140,180,255,.28);background:rgba(255,255,255,.02);
  color:var(--muted);font-size:14px;
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;padding:44px;
  background:linear-gradient(135deg,rgba(46,36,14,.95),rgba(12,17,28,.96));
  border:1px solid rgba(240,194,100,.32);
  box-shadow:0 30px 60px -34px rgba(240,194,100,.5);
  display:grid;grid-template-columns:1.5fr .5fr;gap:28px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  background:radial-gradient(closest-side,rgba(240,194,100,.22),transparent);pointer-events:none;
}
.cta-band h2{font-size:25px;font-weight:800;color:#f7e5ba;line-height:1.4;}
.cta-band p{margin-top:12px;font-size:14.5px;color:#c3cfe2;line-height:1.85;max-width:640px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;position:relative;z-index:2;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;padding:54px 0 26px;
  background:var(--bg-2);border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;}
.footer-brand p{margin-top:16px;font-size:13.5px;color:var(--muted);line-height:1.85;max-width:420px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s,padding-left .2s;}
.footer-col a:hover{color:var(--brand);padding-left:4px;}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(140,180,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--dim);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .page-hero h1{font-size:33px;}
  .grid-4,.stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tier-rail{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
}
@media (max-width:920px){
  .nav{
    position:absolute;left:0;right:0;top:64px;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px 18px 18px;display:none;
    background:rgba(7,13,24,.98);border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -28px rgba(0,0,0,.95);
  }
  .nav.open{display:flex;}
  .nav a{height:44px;padding:0 14px;font-size:14.5px;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
}
@media (max-width:768px){
  .section{padding:50px 0;}
  .page-hero{padding:26px 0 44px;}
  .page-hero h1{font-size:27px;}
  .hero-lead{font-size:14.5px;}
  .sec-head h2{font-size:22px;}
  .grid-3,.grid-2,.news-grid{grid-template-columns:1fr;}
  .codex-item{grid-template-columns:auto 1fr;gap:14px;}
  .codex-tags{grid-column:1/-1;justify-content:flex-start;}
  .cta-band{padding:26px;border-radius:16px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:23px;}
  .tier-rail,.grid-4,.stat-band,.flow{grid-template-columns:1fr;}
  .hero-tags{gap:8px;}
  .tag-pill{font-size:12px;height:28px;padding:0 12px;}
  .btn{height:44px;width:100%;}
  .btn-sm{height:38px;width:auto;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category3 */
:root{
 --bg:#070d18;
 --bg-2:#0b1424;
 --bg-3:#0d1930;
 --panel:rgba(255,255,255,.045);
 --panel-strong:rgba(255,255,255,.075);
 --line:rgba(140,180,255,.16);
 --line-strong:rgba(56,225,255,.42);
 --text:#e8f0ff;
 --muted:#93a6c4;
 --dim:#6f82a1;
 --brand:#38e1ff;
 --brand-2:#4c8dff;
 --gold:#f0c264;
 --gold-deep:#b9892f;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px -24px rgba(0,0,0,.95);
 --shadow-hover:0 26px 52px -26px rgba(0,0,0,.98);
 --glow:0 10px 28px -10px rgba(56,225,255,.62);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,.btn:focus-visible{
 outline:2px solid var(--brand);
 outline-offset:3px;
 border-radius:8px;
}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(7,13,24,.86);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 10px 30px -22px rgba(0,0,0,.9);
}
.header-inner{
 display:flex;align-items:center;gap:20px;
 height:64px;min-height:64px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
 width:32px;height:32px;border-radius:10px;
 background:linear-gradient(140deg,#38e1ff,#4c8dff);
 box-shadow:0 0 18px rgba(56,225,255,.5);
 display:grid;place-items:center;color:#04101f;
 flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:15px;font-weight:700;letter-spacing:.3px;color:#fff;white-space:nowrap;}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav a{
 display:inline-flex;align-items:center;height:36px;padding:0 13px;
 border-radius:8px;font-size:14px;color:var(--muted);
 transition:color .2s,background .2s,box-shadow .2s;
 white-space:nowrap;
}
.nav a:hover{color:#fff;background:rgba(56,225,255,.09);}
.nav a.active{
 color:#eaf9ff;background:rgba(56,225,255,.13);
 box-shadow:inset 0 0 0 1px rgba(56,225,255,.3);
}
.header-cta{margin-left:6px;}
.nav-toggle{
 display:none;margin-left:auto;
 width:42px;height:42px;border-radius:10px;
 background:rgba(255,255,255,.05);
 border:1px solid var(--line);
 color:var(--text);cursor:pointer;
 align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:42px;padding:0 20px;border-radius:var(--radius-sm);
 font-size:14px;font-weight:600;line-height:1;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
}
.btn-primary{
 background:linear-gradient(135deg,#38e1ff,#4c8dff);
 color:#04101f;
 box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(56,225,255,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
 border-color:rgba(120,170,255,.34);
 color:#cfe2ff;background:rgba(255,255,255,.03);
}
.btn-ghost:hover{
 background:rgba(56,225,255,.1);
 border-color:rgba(56,225,255,.55);
 transform:translateY(-2px);
}
.btn-gold{
 background:linear-gradient(135deg,#f5d488,#d3a13d);
 color:#241a05;
 box-shadow:0 12px 28px -12px rgba(240,194,100,.85);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(240,194,100,.9);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}
/* ---------- hero ---------- */
.cat-hero{
 position:relative;overflow:hidden;
 padding:54px 0 64px;
 background:url("/assets/images/d34389bf228fd2ce.webp") center/cover no-repeat;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(58% 62% at 84% 6%,rgba(76,141,255,.30),transparent 68%),
 linear-gradient(180deg,rgba(5,10,20,.90),rgba(6,12,22,.97));
}
.cat-hero .container{position:relative;z-index:2;}
.hero-stack{
 display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
 gap:22px;align-items:start;
}
.hero-main{
 border-radius:20px;padding:34px 32px;
 background:linear-gradient(158deg,rgba(24,42,72,.90),rgba(9,16,29,.94));
 border:1px solid var(--line-strong);
 box-shadow:0 30px 70px -40px rgba(56,225,255,.6),inset 0 1px 0 rgba(255,255,255,.07);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
}
.badge-pill{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;letter-spacing:.6px;
 color:#bfe9ff;background:rgba(56,225,255,.1);
 border:1px solid rgba(56,225,255,.3);
 margin-bottom:18px;
}
.badge-pill .dot{
 width:6px;height:6px;border-radius:50%;background:var(--brand);
 box-shadow:0 0 10px var(--brand);
}
.hero-main h1{
 font-size:36px;line-height:1.3;font-weight:800;
 letter-spacing:-.4px;color:#fff;margin-bottom:16px;
}
.hero-main h1 .hl{
 display:block;
 background:linear-gradient(120deg,#7ef0ff,#4c8dff);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
 font-size:15px;line-height:1.85;color:#a9bcd8;
 max-width:620px;margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;}
.hero-side-stack{display:grid;gap:18px;align-content:start;}
.hero-side{
 border-radius:16px;padding:20px 22px;
 background:var(--panel);border:1px solid var(--line);
 box-shadow:var(--shadow);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
}
.hero-side h2{
 font-size:14px;letter-spacing:.8px;color:#cfe2ff;
 margin-bottom:12px;display:flex;align-items:center;gap:9px;
}
.hero-side h2::before{
 content:"";width:4px;height:14px;border-radius:2px;
 background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.hero-side ul{display:grid;gap:9px;}
.hero-side li{display:flex;gap:9px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.hero-side li::before{
 content:"";flex-shrink:0;width:6px;height:6px;margin-top:9px;
 border-radius:50%;background:var(--brand);
 box-shadow:0 0 8px rgba(56,225,255,.8);
}
.hero-side--gold{
 border-color:rgba(240,194,100,.32);
 background:linear-gradient(160deg,rgba(42,34,16,.72),rgba(12,15,24,.9));
}
.hero-side--gold h2{color:#f7e5ba;}
.hero-side--gold h2::before{background:linear-gradient(180deg,#f5d488,#b9892f);}
.hero-side--gold li::before{background:var(--gold);box-shadow:0 0 8px rgba(240,194,100,.8);}
/* ---------- tags ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;font-size:12px;
 color:#bfe9ff;background:rgba(56,225,255,.09);
 border:1px solid rgba(56,225,255,.24);
 align-self:flex-start;white-space:nowrap;
}
.tag-gold{color:#f7e5ba;background:rgba(240,194,100,.1);border-color:rgba(240,194,100,.3);}
/* ---------- sections ---------- */
.section{padding:62px 0;}
.section--alt{
 background:var(--bg-2);
 border-top:1px solid var(--line);
 border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:30px;}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;letter-spacing:1.6px;color:var(--brand);
 margin-bottom:12px;
}
.section-kicker::before{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.section-head h2{font-size:27px;line-height:1.36;font-weight:700;color:#fff;}
.section-head p{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.85;}
.section-head p + p{margin-top:10px;}
/* ---------- overview ---------- */
.overview-grid{
 display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
 gap:44px;align-items:center;
}
.overview-grid .section-head{max-width:none;margin-bottom:0;}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.stat{
 padding:18px 18px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 transition:transform .2s,border-color .2s,box-shadow .2s,background .2s;
}
.stat:hover{
 transform:translateY(-3px);border-color:var(--line-strong);
 box-shadow:var(--shadow-hover);background:var(--panel-strong);
}
.stat b{
 display:block;font-size:25px;line-height:1.2;font-weight:800;
 color:var(--brand);letter-spacing:-.5px;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6;}
/* ---------- cards ---------- */
.card-grid{display:grid;gap:18px;}
.card-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.card{
 position:relative;display:flex;flex-direction:column;gap:10px;
 border-radius:var(--radius);padding:22px 20px;
 background:var(--panel);border:1px solid var(--line);
 box-shadow:var(--shadow);
 transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
}
.card:hover{
 transform:translateY(-4px);
 box-shadow:var(--shadow-hover);
 border-color:var(--line-strong);
 background:var(--panel-strong);
}
.card-icon{
 width:40px;height:40px;border-radius:11px;
 display:grid;place-items:center;
 color:var(--brand);background:rgba(56,225,255,.1);
 border:1px solid rgba(56,225,255,.28);
 flex-shrink:0;
}
.card-icon svg{width:20px;height:20px;}
.card h3{font-size:15.5px;font-weight:700;color:#fff;line-height:1.55;}
.card p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
/* ---------- scene cards ---------- */
.scene-card{padding:0;overflow:hidden;}
.cover{
 position:relative;overflow:hidden;aspect-ratio:16/10;
 background:var(--bg-3);border-bottom:1px solid var(--line);
}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.scene-card:hover .cover img{transform:scale(1.05);}
.scene-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:16px;}
/* ---------- species ---------- */
.species-grid{
 display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.35fr);
 gap:42px;align-items:start;
}
.species-grid .section-head{max-width:none;margin-bottom:0;}
.value-list{display:grid;gap:12px;}
.value-row{
 display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:center;
 padding:16px 18px;border-radius:12px;
 background:var(--panel);border:1px solid var(--line);
 transition:transform .2s,border-color .2s,background .2s,box-shadow .2s;
}
.value-row:hover{
 transform:translateY(-3px);
 border-color:var(--line-strong);
 background:var(--panel-strong);
 box-shadow:var(--shadow-hover);
}
.value-mark{
 width:40px;height:40px;border-radius:11px;
 display:grid;place-items:center;
 font-size:13px;font-weight:700;color:#04121f;
 background:linear-gradient(140deg,#7ef0ff,#4c8dff);
}
.value-mark.gold{background:linear-gradient(140deg,#f5d488,#d3a13d);color:#241a05;}
.value-row h3{font-size:15px;color:#fff;margin-bottom:4px;}
.value-row p{font-size:13.5px;color:var(--muted);line-height:1.72;}
/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:24px;padding-left:34px;max-width:860px;}
.timeline::before{
 content:"";position:absolute;left:5px;top:12px;bottom:12px;width:2px;border-radius:2px;
 background:linear-gradient(180deg,rgba(56,225,255,.85),rgba(76,141,255,.12));
}
.timeline-item{position:relative;}
.timeline-item::before{
 content:"";position:absolute;left:-33px;top:9px;width:12px;height:12px;
 border-radius:50%;background:var(--bg-2);
 border:2px solid var(--brand);
 box-shadow:0 0 10px rgba(56,225,255,.7);
}
.timeline-item h3{
 font-size:16px;color:#fff;margin-bottom:6px;
 display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.step-no{
 display:inline-grid;place-items:center;
 min-width:32px;height:22px;padding:0 8px;border-radius:6px;
 font-size:12px;font-weight:700;letter-spacing:.5px;
 color:var(--brand);background:rgba(56,225,255,.12);
 border:1px solid rgba(56,225,255,.3);
}
.timeline-item p{font-size:14px;color:var(--muted);line-height:1.8;}
/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:900px;}
.faq details{
 border-radius:12px;overflow:hidden;
 background:var(--panel);border:1px solid var(--line);
 transition:border-color .2s,background .2s;
}
.faq details[open]{border-color:var(--line-strong);background:var(--panel-strong);}
.faq summary{
 cursor:pointer;padding:16px 20px;list-style:none;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 font-size:15px;font-weight:600;color:#e8f0ff;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
 content:"+";font-size:20px;line-height:1;color:var(--brand);
 transition:transform .2s;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq p{padding:0 20px 18px;font-size:14px;color:var(--muted);line-height:1.85;}
/* ---------- posts ---------- */
.post-card{gap:12px;}
.post-title{font-size:15.5px;font-weight:700;color:#fff;line-height:1.6;}
.post-summary{
 font-size:13.5px;color:var(--muted);line-height:1.72;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-date{font-size:12.5px;color:var(--dim);margin-top:auto;}
.empty-note{
 padding:26px 22px;border-radius:12px;border:1px dashed var(--line);
 color:var(--dim);font-size:14px;background:var(--panel);
}
/* ---------- cta ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:20px;padding:38px 36px;
 display:flex;align-items:center;justify-content:space-between;
 gap:26px;flex-wrap:wrap;
 background:linear-gradient(135deg,rgba(14,42,72,.95),rgba(10,18,32,.96));
 border:1px solid var(--line-strong);
 box-shadow:0 26px 60px -34px rgba(56,225,255,.65);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;
 background:radial-gradient(closest-side,rgba(56,225,255,.22),transparent);
 pointer-events:none;
}
.cta-band h2{font-size:24px;color:#fff;font-weight:700;margin-bottom:8px;}
.cta-band p{font-size:14px;color:var(--muted);max-width:560px;line-height:1.8;}
.cta-band .btn{position:relative;z-index:2;}
/* ---------- footer ---------- */
.site-footer{
 background:var(--bg-2);
 border-top:1px solid var(--line);
 padding:52px 0 24px;
 margin-top:16px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;}
.footer-brand p{
 color:var(--muted);font-size:13.5px;line-height:1.8;
 margin-top:14px;max-width:380px;
}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;letter-spacing:.4px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{color:var(--muted);font-size:13.5px;transition:color .2s;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
 margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 color:var(--dim);font-size:12.5px;
}
/* ---------- responsive ---------- */
@media (min-width:961px){
 .hero-side-stack{transform:translateY(18px);}
}
@media (max-width:1024px){
 .hero-main h1{font-size:31px;}
 .card-grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .card-grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .overview-grid,.species-grid{gap:32px;}
}
@media (max-width:960px){
 .nav-toggle{display:inline-flex;}
 .header-cta{display:none;}
 .nav{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  padding:12px 18px 18px;margin:0;
  background:rgba(7,13,24,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 22px 40px -26px rgba(0,0,0,.95);
  display:none;
 }
 .nav.open{display:flex;}
 .nav a{height:44px;padding:0 14px;font-size:14.5px;}
 .hero-stack{grid-template-columns:1fr;}
 .hero-side-stack{transform:none;}
 .overview-grid,.species-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:640px){
 .container{padding:0 16px;}
 .cat-hero{padding:36px 0 46px;}
 .hero-main{padding:24px 20px;border-radius:16px;}
 .hero-main h1{font-size:26px;}
 .hero-sub{font-size:14px;}
 .hero-actions .btn{width:100%;}
 .section{padding:44px 0;}
 .section-head h2{font-size:21px;}
 .stat-grid{grid-template-columns:1fr;}
 .card-grid.cols-4,.card-grid.cols-3{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;gap:6px;}
 .cta-band{padding:28px 22px;}
 .cta-band h2{font-size:20px;}
 .cta-band .btn{width:100%;}
 .timeline{padding-left:28px;}
 .timeline-item::before{left:-27px;}
 .value-row{padding:14px 15px;gap:12px;}
}