/* roulang page: index */
:root{
  --bg-1:#06121F;
  --bg-2:#0B2238;
  --navy:#061826;
  --navy-2:#0A1F33;
  --cyan:#19E3C2;
  --cyan-2:#2EE6D6;
  --orange:#FFB547;
  --text:#EAF6FF;
  --text-2:#A9C0D4;
  --text-3:#6F8AA3;
  --line:rgba(255,255,255,.12);
  --glass:rgba(18,40,62,.58);
  --glass-2:rgba(12,30,50,.72);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --inner:inset 0 1px 0 rgba(255,255,255,.08);
  --glow:0 0 0 1px rgba(46,230,214,.45),0 12px 40px rgba(46,230,214,.22);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1100px 560px at 82% -12%,rgba(46,230,214,.12),transparent 62%),
    radial-gradient(900px 520px at -8% 18%,rgba(255,181,71,.08),transparent 60%),
    linear-gradient(160deg,var(--bg-1) 0%,var(--bg-2) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 10%,#000 0%,transparent 78%);
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--cyan-2);text-decoration:none;text-underline-offset:3px;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--cyan);text-decoration:underline;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:0;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.container{max-width:1240px;position:relative;z-index:2;}
section{position:relative;z-index:2;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);font-weight:600;
  padding:7px 16px;border-radius:999px;
  border:1px solid rgba(46,230,214,.32);
  background:rgba(46,230,214,.07);
}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(26px,4vw,40px);margin:18px 0 14px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,18,31,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);text-decoration:none;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--cyan) 0%,#0F7C8E 100%);
  box-shadow:var(--glow);
  color:#04121E;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-size:15px;
  color:var(--text-2);border:1px solid transparent;
  transition:all .22s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06);text-decoration:none;}
.nav-links a.active{
  color:var(--cyan);
  border-color:rgba(46,230,214,.38);
  background:rgba(46,230,214,.09);
}
.nav-actions{margin-left:12px;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 26px;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .2s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan-2),#12A99A);
  color:#04121E;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04121E;text-decoration:none;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(46,230,214,.6),0 18px 48px rgba(46,230,214,.32);
}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--cyan);
  color:var(--cyan);
  text-decoration:none;
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;border-color:rgba(46,230,214,.42);color:var(--cyan);
}
.btn-outline:hover{background:rgba(46,230,214,.1);color:var(--cyan);text-decoration:none;transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:14px;}

/* Hero */
.hero{
  position:relative;
  padding:92px 0 96px;
  overflow:hidden;
  background-image:linear-gradient(105deg,rgba(4,14,26,.9) 0%,rgba(6,24,38,.72) 55%,rgba(10,34,56,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";
  position:absolute;right:-140px;top:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,214,.28),transparent 66%);
  filter:blur(20px);pointer-events:none;
}
.hero::before{
  content:"";
  position:absolute;left:-120px;bottom:-180px;width:520px;height:420px;
  background:radial-gradient(circle,rgba(255,181,71,.18),transparent 68%);
  filter:blur(14px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,181,71,.12);
  border:1px solid rgba(255,181,71,.34);
  color:var(--orange);font-size:14px;font-weight:600;
  margin-bottom:24px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 12px var(--orange);}
.hero h1{font-size:clamp(34px,5.4vw,58px);margin-bottom:22px;}
.hero h1 em{font-style:normal;color:var(--cyan);}
.hero .lead{font-size:18px;color:var(--text-2);max-width:560px;margin-bottom:34px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  font-size:13px;color:var(--text-2);
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}

/* glass login card */
.login-card{
  border-radius:var(--r-xl);
  padding:30px;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow),var(--inner);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.login-card .lc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.login-card .lc-title{font-size:16px;font-weight:700;}
.lc-badge{font-size:12px;color:var(--cyan);border:1px solid rgba(46,230,214,.4);border-radius:999px;padding:4px 12px;}
.lc-field{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(4,16,28,.62);
  border:1px solid rgba(255,255,255,.1);
  margin-bottom:14px;font-size:15px;color:var(--text-3);
}
.lc-field .k{color:var(--text-2);font-size:13px;}
.lc-field .grow{flex:1;height:9px;border-radius:999px;background:linear-gradient(90deg,rgba(46,230,214,.5),rgba(46,230,214,.05));}
.lc-list{margin-top:20px;border-top:1px solid var(--line);padding-top:18px;}
.lc-list li{display:flex;justify-content:space-between;gap:16px;font-size:14px;color:var(--text-2);padding:7px 0;}
.lc-list li span:last-child{color:var(--cyan);}

/* Plans */
.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
.plan-card{
  position:relative;
  border-radius:var(--r-xl);
  padding:32px;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow),var(--inner);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  overflow:hidden;
}
.plan-card:nth-child(even){margin-top:38px;}
.plan-card:hover{transform:translateY(-6px);border-color:rgba(46,230,214,.5);box-shadow:0 28px 70px rgba(0,0,0,.42),0 0 0 1px rgba(46,230,214,.22),var(--inner);}
.plan-thumb{height:168px;border-radius:var(--r-md);overflow:hidden;margin-bottom:22px;position:relative;background:linear-gradient(135deg,#0A2137,#123C54);}
.plan-thumb img{width:100%;height:100%;object-fit:cover;}
.plan-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,14,26,0) 30%,rgba(4,14,26,.7) 100%);}
.plan-no{font-size:13px;letter-spacing:.16em;color:var(--cyan);font-weight:700;}
.plan-card h3{font-size:22px;margin:12px 0 12px;}
.plan-card p{color:var(--text-2);font-size:15.5px;margin-bottom:18px;}
.plan-card ul{margin-bottom:22px;}
.plan-card ul li{position:relative;padding-left:22px;font-size:15px;color:var(--text-2);margin-bottom:8px;}
.plan-card ul li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px rgba(46,230,214,.7);
}
.text-link{font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.plan-icon{
  width:48px;height:48px;border-radius:15px;display:grid;place-items:center;
  background:rgba(46,230,214,.12);border:1px solid rgba(46,230,214,.3);color:var(--cyan);
  margin-bottom:16px;
}

/* Stats */
.stat-grid{display:grid;grid-template-columns:1.25fr 1fr 1.5fr 1fr;gap:24px;}
.stat-card{
  border-radius:var(--r-lg);
  padding:28px 26px;
  background:linear-gradient(160deg,rgba(18,40,62,.72),rgba(10,28,46,.6));
  border:1px solid var(--line);
  box-shadow:var(--shadow),var(--inner);
}
.stat-card:nth-child(2){transform:translateY(24px);}
.stat-card:nth-child(4){transform:translateY(14px);}
.stat-num{font-size:clamp(34px,4vw,46px);font-weight:700;color:var(--cyan);font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.03em;}
.stat-num small{font-size:15px;margin-left:4px;color:var(--text-2);font-weight:600;}
.stat-card h3{font-size:17px;margin:14px 0 8px;}
.stat-card p{font-size:14.5px;color:var(--text-2);margin:0;}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.news-card{
  display:flex;flex-direction:column;gap:14px;
  border-radius:var(--r-lg);padding:26px;
  background:var(--glass-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow),var(--inner);
  transition:transform .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:rgba(46,230,214,.42);}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.pill{
  font-size:12.5px;padding:5px 13px;border-radius:999px;
  border:1px solid rgba(46,230,214,.32);color:var(--cyan);background:rgba(46,230,214,.08);
}
.pill-muted{border-color:var(--line);color:var(--text-3);background:rgba(255,255,255,.04);}
.news-card h3{font-size:19px;line-height:1.45;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--cyan);text-decoration:none;}
.news-card p{font-size:15px;color:var(--text-2);margin:0;}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  border-radius:var(--r-lg);border:1px dashed rgba(255,255,255,.18);
  color:var(--text-3);background:rgba(255,255,255,.02);
}

/* Trigger / CTA */
.cta-band{
  border-radius:var(--r-xl);
  padding:44px;
  background:linear-gradient(120deg,rgba(46,230,214,.13),rgba(255,181,71,.09)),var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow),var(--inner);
  display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.cta-band p{color:var(--text-2);margin:0;font-size:16px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
.privacy-note{margin-top:16px;font-size:13.5px;color:var(--text-3);}
.privacy-note a{color:var(--text-2);text-decoration:underline;}

/* FAQ */
.faq-list{display:grid;gap:16px;}
.faq-item{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass-2);
  box-shadow:var(--inner);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:22px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:600;min-height:48px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary h4{font-size:17px;margin:0;font-weight:600;}
.faq-item summary .sign{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(46,230,214,.4);color:var(--cyan);font-size:16px;line-height:1;
}
.faq-item[open] summary .sign{background:rgba(46,230,214,.14);}
.faq-item .faq-body{padding:0 26px 24px;color:var(--text-2);font-size:15.5px;}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* Footer */
.site-footer{
  margin-top:20px;
  background:linear-gradient(180deg,rgba(4,13,23,.9),#03101B);
  border-top:1px solid var(--line);
  padding:72px 0 40px;
  position:relative;z-index:2;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-text{font-size:16px;}
.footer-grid p{color:var(--text-3);font-size:14.5px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:var(--text-3);font-size:14.5px;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  color:var(--text-3);font-size:13.5px;
}

/* Mobile bottom tab */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;
  background:rgba(5,16,28,.92);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar ul{display:grid;grid-template-columns:repeat(5,1fr);}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-height:60px;font-size:11.5px;color:var(--text-3);
  border-top:2px solid transparent;
}
.tabbar a:hover{text-decoration:none;color:var(--text-2);}
.tabbar a.active{color:var(--cyan);border-top-color:var(--cyan);box-shadow:0 -10px 24px -14px rgba(46,230,214,.8);}
.tabbar svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* Drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,10,20,.72);
  backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:460px;max-width:100%;
  z-index:95;overflow-y:auto;
  background:linear-gradient(160deg,rgba(11,30,48,.98),rgba(6,20,34,.99));
  border-left:1px solid var(--line);
  box-shadow:-30px 0 80px rgba(0,0,0,.5);
  transform:translateX(102%);
  transition:transform .34s cubic-bezier(.22,.7,.3,1);
  padding:38px 34px 40px;
}
.drawer.open{transform:translateX(0);}
.drawer h3{font-size:22px;margin-bottom:12px;}
.drawer .drawer-desc{color:var(--text-2);font-size:15px;margin-bottom:26px;}
.drawer-close{
  position:absolute;top:18px;right:18px;
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text-2);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{color:var(--cyan);border-color:var(--cyan);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:7px;}
.field input[type="text"],.field select,.field textarea{
  width:100%;padding:12px 15px;
  border-radius:var(--r-sm);
  background:rgba(4,16,28,.7);
  border:1px solid rgba(255,255,255,.14);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,230,214,.16);
}
.field select option{background:#0A1F33;color:var(--text);}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);margin:18px 0;}
.check input{margin-top:5px;accent-color:var(--cyan);width:16px;height:16px;}
.check a{color:var(--cyan-2);text-decoration:underline;}
.form-error{color:var(--orange);font-size:13.5px;margin:0 0 14px;}
.form-success{
  margin-top:20px;padding:20px 22px;border-radius:var(--r-md);
  border:1px solid rgba(46,230,214,.4);background:rgba(46,230,214,.09);
  color:var(--text);font-size:15px;
}

@media (max-width:1024px){
  .section{padding:76px 0;}
  .hero{padding:70px 0 76px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-card:nth-child(2),.stat-card:nth-child(4){transform:none;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-actions{margin-left:auto;}
  .tabbar{display:block;}
  body{padding-bottom:72px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:60px 0;}
  .plan-grid{grid-template-columns:1fr;gap:22px;}
  .plan-card:nth-child(even){margin-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .brand-text{font-size:15px;}
  .hero h1{font-size:clamp(30px,7vw,40px);}
}
@media (max-width:520px){
  .section{padding:52px 0;}
  .hero{padding:56px 0 62px;}
  .plan-card,.news-card,.cta-band{padding:24px;}
  .stat-grid{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-cta .btn{width:100%;}
  .drawer{
    top:auto;left:0;right:0;bottom:0;width:100%;
    border-radius:24px 24px 0 0;
    border-left:none;border-top:1px solid var(--line);
    transform:translateY(102%);
    padding:32px 22px 34px;max-height:90vh;
  }
  .drawer.open{transform:translateY(0);}
}

/* roulang page: article */
:root{
  --ink-900:#06121F;
  --ink-800:#061826;
  --ink-700:#0A1F33;
  --ink-600:#0B2238;
  --glass:rgba(18,40,62,.58);
  --glass-soft:rgba(18,40,62,.38);
  --cyan:#19E3C2;
  --cyan-2:#2EE6D6;
  --amber:#FFB547;
  --text:#EAF6FF;
  --text-2:#A9C0D4;
  --text-3:#6F8AA3;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(46,230,214,.45);
  --r-xl:26px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(46,230,214,.45), 0 12px 40px rgba(46,230,214,.22);
  --container:1240px;
  --gap:28px;
}
*,*::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","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1200px 620px at 88% -12%, rgba(46,230,214,.16), transparent 62%),
    radial-gradient(900px 520px at -12% 18%, rgba(255,181,71,.10), transparent 60%),
    linear-gradient(180deg,#06121F 0%, #0B2238 100%);
  background-attachment:fixed;
  min-height:100vh;
  padding-bottom:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.032) 1px, transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--r-md);object-fit:cover;}
a{color:var(--cyan-2);text-decoration:none;text-underline-offset:3px;}
a:hover{color:var(--cyan);text-decoration:underline;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.28;color:var(--text);}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 22px;
  position:relative;
  z-index:1;
}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-title{font-size:clamp(26px,4vw,40px);margin-bottom:14px;}
.section-sub{color:var(--text-2);font-size:16px;max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan);display:block;}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,18,31,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;}
.brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(140deg,rgba(46,230,214,.28),rgba(255,181,71,.18));
  border:1px solid var(--line-strong);
  color:var(--cyan);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  color:var(--text-2);font-size:15px;text-decoration:none;
  transition:color .2s,background .2s,border-color .2s;
}
.nav-links a:hover{color:var(--cyan);background:rgba(46,230,214,.08);text-decoration:none;}
.nav-links a.active{color:var(--cyan);background:rgba(46,230,214,.10);border:1px solid rgba(46,230,214,.32);}
.header-cta{display:flex;align-items:center;gap:12px;}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
  text-decoration:none;transition:transform .2s,box-shadow .25s,background .25s,border-color .25s,color .2s;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{
  color:#04181B;
  background:linear-gradient(120deg,var(--cyan),var(--cyan-2));
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,230,214,.65),0 18px 48px rgba(46,230,214,.34);filter:brightness(1.06);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  color:var(--text);
  border:1px solid var(--line);
  background:rgba(18,40,62,.42);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--cyan);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ===== page head ===== */
.page-head{
  position:relative;
  padding:64px 0 56px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(6,18,31,.72),rgba(6,18,31,.92)),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.6;z-index:0;
}
.page-head::after{
  content:"";
  position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,214,.30),transparent 68%);
  filter:blur(10px);z-index:0;
}
.page-head .container{position:relative;z-index:1;}
.breadcrumb-line{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:14px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb-line a{color:var(--text-2);text-decoration:none;}
.breadcrumb-line a:hover{color:var(--cyan);}
.breadcrumb-line .sep{color:var(--text-3);}
.breadcrumb-line .current{color:var(--cyan);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  color:var(--cyan);background:rgba(46,230,214,.10);
  border:1px solid rgba(46,230,214,.30);
}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  color:var(--text-2);background:rgba(18,40,62,.55);
  border:1px solid var(--line);
}
.meta-pill.amber{color:var(--amber);border-color:rgba(255,181,71,.35);background:rgba(255,181,71,.08);}
.page-head h1{
  font-size:clamp(30px,4.6vw,50px);
  max-width:960px;
  margin-bottom:18px;
}
.lead-text{
  color:var(--text-2);font-size:17px;line-height:1.85;
  max-width:820px;margin:0;
  padding-left:20px;border-left:2px solid rgba(46,230,214,.55);
}

/* ===== article layout ===== */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
}
.article-body h2{
  font-size:clamp(23px,2.6vw,30px);
  color:var(--text);
  margin:48px 0 18px;
  padding-left:16px;
  border-left:3px solid var(--cyan);
}
.article-body h3{
  font-size:21px;color:var(--text);margin:34px 0 14px;
}
.article-body p{margin:0 0 20px;}
.article-body strong{color:var(--text);}
.article-body ul{margin:0 0 22px;padding-left:4px;}
.article-body ul li{
  position:relative;padding-left:22px;margin-bottom:10px;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px rgba(46,230,214,.85);
}
.article-body ol{margin:0 0 22px;padding-left:22px;color:var(--text-2);}
.article-body ol li{margin-bottom:10px;}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;
  background:rgba(18,40,62,.52);
  border-left:3px solid var(--cyan);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.article-body img{border-radius:var(--r-md);margin:24px 0;width:100%;}
.article-body a{color:var(--cyan-2);text-decoration:underline;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  background:rgba(18,40,62,.45);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;
}
.article-body th{color:var(--text);background:rgba(46,230,214,.08);}
.article-body code{
  background:rgba(3,10,20,.75);padding:3px 8px;border-radius:8px;
  font-size:14px;color:var(--cyan-2);
}
.article-body pre{
  background:rgba(3,10,20,.78);padding:18px;border-radius:var(--r-md);
  overflow:auto;border:1px solid var(--line);
}
.empty-box{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:48px 32px;text-align:center;box-shadow:var(--shadow);
}
.empty-box h2{font-size:22px;margin-bottom:12px;border:0;padding:0;}
.empty-box p{color:var(--text-2);}

/* ===== sidebar ===== */
.side-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  margin-bottom:24px;
  position:sticky;top:96px;
}
.side-card h3{font-size:18px;margin-bottom:14px;}
.side-card p{color:var(--text-2);font-size:14.5px;line-height:1.8;}
.side-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--text-2);
}
.side-list li:last-child{border-bottom:0;}
.side-list a{color:var(--text-2);text-decoration:none;}
.side-list a:hover{color:var(--cyan);}

/* ===== related ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.rel-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .25s,border-color .25s,box-shadow .25s;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 26px 62px rgba(0,0,0,.42),0 0 0 1px rgba(46,230,214,.28);}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;border-radius:0;object-fit:cover;transition:transform .5s;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,18,31,.15),rgba(6,18,31,.85));}
.rel-body{padding:20px 22px 24px;}
.rel-body h3{font-size:17.5px;margin-bottom:10px;line-height:1.5;}
.rel-body p{font-size:14.5px;color:var(--text-2);margin-bottom:14px;}
.rel-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px;}

/* ===== footer ===== */
.site-footer{
  background:rgba(3,10,20,.86);
  border-top:1px solid var(--line);
  padding:72px 0 34px;
  margin-top:40px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;}
.footer-col h4{font-size:16px;margin-bottom:18px;color:var(--text);}
.footer-col p{color:var(--text-2);font-size:14.5px;line-height:1.85;max-width:38ch;}
.footer-col ul li{margin-bottom:11px;font-size:14.5px;color:var(--text-2);}
.footer-col ul li a{color:var(--text-2);text-decoration:none;transition:color .2s;}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16px;font-weight:700;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}

/* ===== drawer ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,10,20,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:460px;max-width:92vw;
  background:linear-gradient(180deg,rgba(10,31,51,.98),rgba(6,18,31,.98));
  border-left:1px solid var(--line);
  transform:translateX(105%);
  transition:transform .38s cubic-bezier(.4,.1,.2,1);
  z-index:100;padding:34px 32px 40px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer h3{font-size:22px;margin-bottom:10px;}
.drawer .drawer-desc{color:var(--text-2);font-size:14.5px;margin-bottom:24px;}
.drawer-close{
  position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);color:var(--text-2);display:grid;place-items:center;
  transition:color .2s,border-color .2s;
}
.drawer-close:hover{color:var(--cyan);border-color:var(--line-strong);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(3,10,20,.55);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(46,230,214,.16);
}
.field textarea{min-height:92px;resize:vertical;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:#19E3C2;}
.check-row span{font-size:13.5px;color:var(--text-2);line-height:1.7;}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.75;}
.form-msg{margin-top:14px;font-size:14px;display:none;}
.form-msg.ok{display:block;color:var(--cyan);}
.form-msg.err{display:block;color:var(--amber);}

/* ===== mobile tab ===== */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(6,18,31,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab ul{display:flex;justify-content:space-around;align-items:stretch;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-height:60px;font-size:12px;color:var(--text-3);text-decoration:none;
  transition:color .2s;
}
.mobile-tab a:hover{text-decoration:none;}
.mobile-tab a.active{color:var(--cyan);text-shadow:0 0 14px rgba(46,230,214,.7);}
.mobile-tab svg{width:21px;height:21px;}

/* ===== responsive ===== */
@media (max-width:1180px){
  .article-wrap{grid-template-columns:minmax(0,1fr);}
  .side-card{position:static;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .header-cta .btn{display:none;}
  .brand-text{font-size:15px;white-space:normal;line-height:1.3;max-width:58vw;}
  .mobile-tab{display:block;}
  body{padding-bottom:74px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:60px 0;}
  .page-head{padding:42px 0 40px;}
  .lead-text{padding-left:14px;font-size:15.5px;}
  .breadcrumb-line .current{max-width:100%;white-space:normal;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .article-body{font-size:16px;}
  .article-body h2{margin-top:36px;}
  .drawer{
    top:auto;bottom:0;left:0;right:0;width:100%;height:auto;max-height:88vh;
    border-left:0;border-top:1px solid var(--line);
    border-radius:24px 24px 0 0;
    transform:translateY(105%);
  }
  .drawer.open{transform:translateY(0);}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .head-meta{gap:8px;}
  .meta-pill,.badge-pill{font-size:12px;padding:5px 11px;}
}

/* roulang page: category1 */
:root{
  --bg-deep:#061826;
  --bg-mid:#0A1F33;
  --bg-grad-1:#06121F;
  --bg-grad-2:#0B2238;
  --cyan:#19E3C2;
  --cyan-2:#2EE6D6;
  --amber:#FFB547;
  --ink:#EAF6FF;
  --ink-2:#A9C0D4;
  --ink-3:#6F8AA3;
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.07);
  --glass:rgba(18,40,62,.58);
  --glass-2:rgba(13,32,52,.72);
  --radius-card:22px;
  --radius-btn:999px;
  --radius-input:14px;
  --radius-img:16px;
  --shadow-card:0 20px 60px rgba(0,0,0,.35);
  --shadow-glow:0 0 0 1px rgba(46,230,214,.45), 0 12px 40px rgba(46,230,214,.22);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --container:1240px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:
    radial-gradient(1100px 620px at 88% -8%, rgba(46,230,214,.13), transparent 62%),
    radial-gradient(900px 520px at -6% 22%, rgba(255,181,71,.09), transparent 60%),
    linear-gradient(180deg,var(--bg-grad-1) 0%, var(--bg-grad-2) 55%, #071628 100%);
  background-attachment:fixed;
  overflow-x:hidden;
  padding-bottom:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(46,230,214,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,230,214,.045) 1px, transparent 1px);
  background-size:72px 72px, 72px 72px;
  mask-image:radial-gradient(1200px 700px at 60% 0%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(1200px 700px at 60% 0%, #000 0%, transparent 78%);
}
body::after{
  content:"";
  position:fixed;
  width:720px;height:720px;
  right:-260px;top:-300px;
  border-radius:50%;
  pointer-events:none;
  z-index:0;
  background:radial-gradient(circle, rgba(46,230,214,.16) 0%, rgba(46,230,214,0) 68%);
  filter:blur(6px);
}
img{max-width:100%;display:block;}
a{color:var(--cyan-2);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .22s ease, opacity .22s ease;}
a:hover{color:#7CF3E2;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.24;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan-2);outline-offset:3px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:2;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,20,34,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:66px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--ink);
  flex-shrink:0;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  display:grid;place-items:center;
  color:#04231E;
  background:linear-gradient(135deg,var(--cyan-2),#0FB9A5);
  box-shadow:0 0 0 1px rgba(46,230,214,.4), 0 8px 22px rgba(46,230,214,.28);
  flex-shrink:0;
}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  padding:9px 15px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  text-decoration:none;
  transition:all .22s ease;
  white-space:nowrap;
}
.nav-links a:hover{
  color:var(--ink);
  background:rgba(46,230,214,.09);
}
.nav-links a.active{
  color:var(--cyan-2);
  background:rgba(46,230,214,.13);
  box-shadow:inset 0 0 0 1px rgba(46,230,214,.32);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border-radius:var(--radius-btn);
  border:none;
  font-size:15px;
  font-weight:600;
  color:#04231E;
  background:linear-gradient(135deg,var(--cyan-2),#12CBB4);
  box-shadow:var(--shadow-glow);
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(46,230,214,.6), 0 16px 46px rgba(46,230,214,.32);}
.nav-cta:active{transform:scale(.98);}

/* ============ 按钮 ============ */
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:14px 30px;
  border-radius:var(--radius-btn);
  border:none;
  font-size:16px;
  font-weight:600;
  color:#04231E;
  background:linear-gradient(135deg,var(--cyan-2),#12CBB4);
  box-shadow:var(--shadow-glow);
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-glow:hover{color:#04231E;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(46,230,214,.62), 0 18px 50px rgba(46,230,214,.34);}
.btn-glow:active{transform:scale(.98);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 28px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  text-decoration:none;
  cursor:pointer;
  transition:all .22s ease;
}
.btn-ghost:hover{color:var(--cyan-2);border-color:rgba(46,230,214,.7);background:rgba(46,230,214,.07);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative;z-index:2;}
.section-tight{padding:72px 0;}
.sec-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 15px;
  border-radius:var(--radius-btn);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--cyan-2);
  background:rgba(46,230,214,.1);
  border:1px solid rgba(46,230,214,.26);
  margin-bottom:18px;
}
.eyebrow.amber{color:var(--amber);background:rgba(255,181,71,.1);border-color:rgba(255,181,71,.28);}
.sec-head h2{font-size:clamp(26px,4vw,40px);margin-bottom:16px;}
.sec-head p{color:var(--ink-2);font-size:17px;margin:0;}
.glass{
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:80px 0 88px;
  overflow:hidden;
  z-index:1;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
}
.hero-bg img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center 40%;
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(100deg, rgba(6,18,31,.94) 0%, rgba(6,24,38,.8) 48%, rgba(6,24,38,.62) 100%),
    radial-gradient(760px 420px at 92% 0%, rgba(46,230,214,.22), transparent 62%),
    radial-gradient(560px 360px at 4% 110%, rgba(255,181,71,.14), transparent 66%);
}
.hero-inner{position:relative;z-index:2;max-width:900px;}
.breadcrumb-x{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:9px;
  font-size:14px;
  color:var(--ink-3);
  margin-bottom:28px;
}
.breadcrumb-x a{color:var(--ink-2);text-decoration:none;}
.breadcrumb-x a:hover{color:var(--cyan-2);}
.breadcrumb-x .sep{color:var(--ink-3);opacity:.6;}
.hero h1{
  font-size:clamp(32px,5.4vw,58px);
  margin-bottom:20px;
}
.hero h1 .hl{
  color:var(--cyan-2);
  text-shadow:0 0 32px rgba(46,230,214,.36);
}
.hero-lead{
  font-size:18px;
  color:var(--ink-2);
  max-width:700px;
  margin-bottom:14px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:24px 0 32px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 16px;
  border-radius:var(--radius-btn);
  font-size:14px;
  color:var(--ink-2);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
}
.chip svg{color:var(--cyan-2);flex-shrink:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 入口说明卡（错位） ============ */
.stagger{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
  align-items:start;
}
.stagger > *:nth-child(even){transform:translateY(38px);}
.entry-card{
  padding:0;
  overflow:hidden;
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.entry-card:hover{
  transform:translateY(-6px);
  border-color:rgba(46,230,214,.55);
  box-shadow:0 0 0 1px rgba(46,230,214,.32), 0 26px 70px rgba(0,0,0,.42);
}
.stagger > *:nth-child(even):hover{transform:translateY(32px);}
.entry-media{
  position:relative;
  height:196px;
  overflow:hidden;
  background:linear-gradient(135deg,#0C2338,#123048);
}
.entry-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.entry-card:hover .entry-media img{transform:scale(1.05);}
.entry-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,24,38,.15), rgba(6,24,38,.72));
}
.entry-body{padding:28px 30px 32px;}
.entry-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  font-size:15px;
  font-weight:700;
  color:var(--cyan-2);
  background:rgba(46,230,214,.11);
  border:1px solid rgba(46,230,214,.28);
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.entry-card h3{font-size:22px;margin-bottom:12px;}
.entry-card p{color:var(--ink-2);font-size:16px;margin-bottom:18px;}
.tick-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:10px;
  font-size:15.5px;
  color:var(--ink-2);
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--cyan-2);
  box-shadow:0 0 12px rgba(46,230,214,.85);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:20px;
  font-size:15px;
  font-weight:600;
  color:var(--cyan-2);
  text-decoration:none;
}
.text-link:hover{color:#8CF6E8;gap:11px;}
.text-link svg{transition:transform .22s ease;}

/* ============ 时间轴 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  top:26px;left:6%;right:6%;
  height:1px;
  background:linear-gradient(90deg, rgba(46,230,214,0), rgba(46,230,214,.45), rgba(46,230,214,.1));
}
.step{
  position:relative;
  padding:66px 24px 28px;
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .26s ease, border-color .26s ease;
}
.step:hover{transform:translateY(-6px);border-color:rgba(46,230,214,.5);}
.step-no{
  position:absolute;
  top:-18px;left:24px;
  width:52px;height:52px;
  border-radius:16px;
  display:grid;place-items:center;
  font-size:17px;
  font-weight:700;
  color:#04231E;
  background:linear-gradient(135deg,var(--cyan-2),#12CBB4);
  box-shadow:0 0 0 1px rgba(46,230,214,.48), 0 14px 34px rgba(46,230,214,.28);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15.5px;color:var(--ink-2);margin:0;}

/* ============ 注意事项 ============ */
.note-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:start;
}
.note-block{
  padding:32px;
}
.note-block h3{font-size:21px;margin-bottom:18px;}
.note-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:15.5px;
  color:var(--ink-2);
}
.note-list li:last-child{border-bottom:none;padding-bottom:0;}
.note-ico{
  flex-shrink:0;
  width:34px;height:34px;
  border-radius:11px;
  display:grid;place-items:center;
  color:var(--amber);
  background:rgba(255,181,71,.11);
  border:1px solid rgba(255,181,71,.26);
}
.alert-block{
  padding:32px;
  border-left:3px solid var(--amber);
  background:linear-gradient(135deg, rgba(255,181,71,.09), rgba(18,40,62,.6));
}
.alert-block h3{font-size:20px;margin-bottom:14px;color:var(--amber);}
.alert-block p{font-size:15.5px;color:var(--ink-2);margin-bottom:12px;}
.alert-block p:last-child{margin-bottom:0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s ease, background .24s ease;
}
.faq-item.open{border-color:rgba(46,230,214,.5);background:rgba(20,45,68,.66);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 24px;
  min-height:48px;
  background:transparent;
  border:none;
  text-align:left;
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--cyan-2);}
.faq-sign{
  flex-shrink:0;
  width:30px;height:30px;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:19px;
  line-height:1;
  color:var(--cyan-2);
  background:rgba(46,230,214,.1);
  border:1px solid rgba(46,230,214,.28);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a-inner{
  padding:0 24px 24px;
  font-size:15.8px;
  color:var(--ink-2);
  border-top:1px solid var(--line-soft);
  padding-top:18px;
  margin:0 24px 24px;
  padding-left:0;
  padding-right:0;
  padding-bottom:0;
}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  padding:52px;
  border-radius:26px;
  overflow:hidden;
  background:linear-gradient(115deg, rgba(18,40,62,.82), rgba(9,28,46,.9));
  border:1px solid rgba(46,230,214,.28);
  box-shadow:0 26px 80px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-band::before{
  content:"";
  position:absolute;
  width:560px;height:560px;
  right:-180px;top:-240px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(46,230,214,.2) 0%, rgba(46,230,214,0) 68%);
  pointer-events:none;
}
.cta-band-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.4fr .6fr;
  gap:32px;
  align-items:center;
}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:14px;}
.cta-band p{color:var(--ink-2);margin:0;font-size:16px;}
.cta-band .btn-glow{width:100%;}
.privacy-note{
  margin-top:22px;
  font-size:14px;
  color:var(--ink-3);
}
.privacy-note a{color:var(--ink-2);}
.privacy-note a:hover{color:var(--cyan-2);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:2;
  margin-top:40px;
  background:linear-gradient(180deg, rgba(4,14,24,.6), rgba(3,11,20,.96));
  border-top:1px solid var(--line-soft);
  padding:64px 0 34px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.1fr 1.1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line-soft);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{font-size:17px;}
.footer-col p{font-size:14.6px;color:var(--ink-3);margin:0;max-width:340px;}
.footer-col h4{
  font-size:15px;
  color:var(--ink);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul li{
  margin-bottom:11px;
  font-size:14.6px;
  color:var(--ink-3);
}
.footer-col ul li a{
  color:var(--ink-2);
  text-decoration:none;
  font-size:14.6px;
}
.footer-col ul li a:hover{color:var(--cyan-2);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  padding-top:26px;
  font-size:13.6px;
  color:var(--ink-3);
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:80;
  background:rgba(6,20,34,.94);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-top:1px solid var(--line-soft);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab a{
  flex:1;
  min-height:58px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11.5px;
  color:var(--ink-3);
  text-decoration:none;
  transition:color .2s ease;
}
.mobile-tab a svg{width:21px;height:21px;}
.mobile-tab a.active{
  color:var(--cyan-2);
  text-shadow:0 0 14px rgba(46,230,214,.6);
}
.mobile-tab a.active svg{filter:drop-shadow(0 0 10px rgba(46,230,214,.65));}

/* ============ 表单弹层 ============ */
.overlay{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(3,10,20,.72);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease, visibility .28s ease;
}
.overlay.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:460px;
  max-width:100%;
  z-index:130;
  background:linear-gradient(180deg, rgba(10,28,46,.98), rgba(6,18,31,.99));
  border-left:1px solid var(--line);
  box-shadow:-30px 0 80px rgba(0,0,0,.5);
  transform:translateX(102%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
  padding:34px 32px 40px;
}
.drawer.show{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  margin-bottom:10px;
}
.drawer-head h3{font-size:22px;}
.drawer-sub{font-size:14.6px;color:var(--ink-2);margin-bottom:24px;}
.close-x{
  flex-shrink:0;
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--ink-2);
  cursor:pointer;
  transition:all .2s ease;
}
.close-x:hover{color:var(--cyan-2);border-color:rgba(46,230,214,.5);}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  color:var(--ink-2);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:13px 16px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  transition:border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px, calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input::placeholder,
.field textarea::placeholder{color:var(--ink-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:rgba(46,230,214,.7);
  background:rgba(46,230,214,.06);
  box-shadow:0 0 0 3px rgba(46,230,214,.14);
}
.field input.invalid,
.field select.invalid{border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,181,71,.14);}
.check-row{
  display:flex;
  gap:11px;
  align-items:flex-start;
  font-size:14px;
  color:var(--ink-2);
  margin:6px 0 22px;
}
.check-row input{
  width:19px;height:19px;
  margin-top:2px;
  accent-color:#19E3C2;
  flex-shrink:0;
}
.drawer .btn-glow{width:100%;}
.form-msg{
  display:none;
  margin-top:16px;
  padding:13px 16px;
  border-radius:var(--radius-input);
  font-size:14.4px;
  background:rgba(255,181,71,.12);
  border:1px solid rgba(255,181,71,.34);
  color:var(--amber);
}
.form-msg.show{display:block;}
.success-box{
  display:none;
  text-align:center;
  padding:40px 10px;
}
.success-box.show{display:block;}
.success-ico{
  width:64px;height:64px;
  margin:0 auto 20px;
  border-radius:50%;
  display:grid;place-items:center;
  color:#04231E;
  background:linear-gradient(135deg,var(--cyan-2),#12CBB4);
  box-shadow:0 0 0 1px rgba(46,230,214,.5), 0 16px 46px rgba(46,230,214,.32);
}
.success-box h3{font-size:21px;margin-bottom:12px;}
.success-box p{font-size:15px;color:var(--ink-2);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:80px 0;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline::before{display:none;}
  .stagger > *:nth-child(even){transform:translateY(24px);}
  .stagger > *:nth-child(even):hover{transform:translateY(18px);}
  .note-grid{grid-template-columns:1fr;}
  .cta-band-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-links{display:none;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .section-tight{padding:56px 0;}
  .hero{padding:56px 0 64px;}
  .hero-lead{font-size:16.5px;}
  .stagger{grid-template-columns:1fr;gap:22px;}
  .stagger > *:nth-child(even){transform:none;}
  .stagger > *:nth-child(even):hover{transform:translateY(-6px);}
  .timeline{grid-template-columns:1fr;}
  .cta-band{padding:34px 26px;}
  .drawer{
    top:auto;bottom:0;right:0;left:0;
    width:100%;
    height:auto;
    max-height:88vh;
    border-left:none;
    border-top:1px solid var(--line);
    border-radius:24px 24px 0 0;
    transform:translateY(102%);
    padding:28px 22px 34px;
  }
  .drawer.show{transform:translateY(0);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-tab{display:flex;}
  body{padding-bottom:80px;}
  .nav-cta{display:none;}
  .nav-inner{min-height:60px;}
  .brand-text{font-size:15.5px;}
  .entry-media{height:176px;}
  .entry-body{padding:24px 22px 26px;}
}
@media (max-width:520px){
  .container-x{padding:0 16px;}
  .hero h1{font-size:clamp(28px,8vw,36px);}
  .entry-card h3{font-size:20px;}
  .step{padding:60px 20px 24px;}
  .note-block,.alert-block{padding:24px 20px;}
  .faq-q{padding:18px;font-size:16px;}
  .faq-a-inner{margin:0 18px 20px;}
  .cta-band{padding:28px 20px;}
  .brand-text{font-size:14.6px;}
}

/* roulang page: category2 */
:root{
  --navy-900:#06121F;
  --navy-800:#061826;
  --navy-700:#0A1F33;
  --cyan:#19E3C2;
  --cyan-2:#2EE6D6;
  --orange:#FFB547;
  --text:#EAF6FF;
  --text-2:#A9C0D4;
  --text-3:#6F8AA3;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(46,230,214,.45);
  --glass:rgba(18,40,62,.58);
  --glass-soft:rgba(18,40,62,.42);
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --inner-hi:inset 0 1px 0 rgba(255,255,255,.08);
  --glow:0 0 0 1px rgba(46,230,214,.45),0 12px 40px rgba(46,230,214,.22);
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(46,230,214,.13),transparent 62%),
    radial-gradient(900px 520px at -5% 22%,rgba(255,181,71,.08),transparent 58%),
    linear-gradient(160deg,#06121F 0%,#0B2238 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(255,255,255,.026) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.02) 0 1px,transparent 1px 96px);
  z-index:0;
}
body.modal-open-lock{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;}
a:hover{color:var(--cyan-2);}
p{color:var(--text-2);margin:0 0 16px;}
h1,h2,h3,h4{color:var(--text);letter-spacing:-.02em;margin:0;}
h1{font-size:clamp(34px,6vw,64px);font-weight:700;line-height:1.16;}
h2{font-size:clamp(26px,4vw,40px);font-weight:700;line-height:1.25;}
h3{font-size:clamp(20px,2.4vw,24px);font-weight:600;line-height:1.4;}
h4{font-size:18px;font-weight:600;line-height:1.5;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(46,230,214,.3);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,18,31,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:64px;
  padding-top:8px;
  padding-bottom:8px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  font-size:17px;
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,rgba(46,230,214,.22),rgba(46,230,214,.04));
  border:1px solid var(--line-strong);
  color:var(--cyan);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
}
.brand-text{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  color:var(--text-2);
  font-size:15.5px;
  padding:9px 14px;
  border-radius:999px;
  transition:color .2s,background .2s,border-color .2s;
  border:1px solid transparent;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links a.active{
  color:var(--cyan);
  background:rgba(46,230,214,.1);
  border-color:var(--line-strong);
}
.header-cta{
  flex:0 0 auto;
}
.btn-glow,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-size:15.5px;
  font-weight:600;
  padding:12px 24px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
  text-align:center;
  min-height:44px;
}
.btn-glow{
  background:linear-gradient(120deg,var(--cyan),var(--cyan-2));
  color:#04202b;
  box-shadow:var(--glow);
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04202b;box-shadow:0 0 0 1px rgba(46,230,214,.6),0 18px 48px rgba(46,230,214,.3);}
.btn-glow:active{transform:translateY(0) scale(.98);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:9px 18px;font-size:14.5px;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.5;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(6,18,31,.92) 0%,rgba(6,18,31,.7) 46%,rgba(11,34,56,.55) 100%),
    radial-gradient(700px 320px at 88% 6%,rgba(46,230,214,.24),transparent 62%),
    radial-gradient(520px 260px at 6% 96%,rgba(255,181,71,.14),transparent 60%);
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:64px 0 72px;
}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb-x a{color:var(--text-2);}
.breadcrumb-x a:hover{color:var(--cyan);}
.breadcrumb-x span.sep{color:var(--text-3);}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,181,71,.12);
  border:1px solid rgba(255,181,71,.4);
  color:var(--orange);
  font-size:13.5px;font-weight:600;
  margin-bottom:20px;
}
.page-hero h1{max-width:900px;}
.page-hero .lead{
  max-width:760px;
  margin-top:18px;
  font-size:clamp(16px,1.6vw,18px);
  color:var(--text-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 26px;
  margin-top:32px;padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-meta li{font-size:14.5px;color:var(--text-2);display:flex;align-items:center;gap:8px;}
.hero-meta li::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 12px rgba(46,230,214,.8);
}

/* ---------- sections ---------- */
.section{padding:86px 0;position:relative;z-index:1;}
.section.tight{padding:66px 0;}
.section-head{max-width:780px;margin-bottom:46px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13.5px;font-weight:600;letter-spacing:.08em;
  color:var(--cyan);
  padding:5px 14px;border-radius:999px;
  background:rgba(46,230,214,.1);
  border:1px solid var(--line-strong);
  margin-bottom:16px;
}
.section-head p{margin-top:14px;font-size:16.5px;}
.section-alt{
  background:linear-gradient(180deg,rgba(10,31,51,.55),rgba(6,18,31,.15));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

/* ---------- glass card ---------- */
.glass{
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow),var(--inner-hi);
}

/* ---------- scene cards (2 col staggered) ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.scene-card{
  padding:28px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.scene-card:nth-child(even){transform:translateY(36px);}
.scene-card:hover{
  transform:translateY(-6px);
  border-color:var(--line-strong);
  box-shadow:0 26px 70px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.1),0 0 0 1px rgba(46,230,214,.28);
}
.scene-card:nth-child(even):hover{transform:translateY(30px);}
.scene-thumb{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:16/9;
  margin-bottom:22px;
  background:linear-gradient(135deg,rgba(46,230,214,.2),rgba(6,24,38,.9));
}
.scene-thumb img{width:100%;height:100%;object-fit:cover;}
.scene-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,18,31,.05),rgba(6,18,31,.55));
}
.card-num{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--cyan);
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.card-num i{width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);display:block;}
.scene-card h3{margin-bottom:12px;}
.scene-card p{font-size:15.8px;margin-bottom:16px;}
.tick-list li{
  position:relative;padding-left:18px;
  font-size:15.3px;color:var(--text-2);
  margin-bottom:9px;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(46,230,214,.75);
}
.card-link{
  margin-top:auto;padding-top:18px;
  font-size:15px;font-weight:600;
  color:var(--cyan);
  border-top:1px dashed var(--line);
}
.card-link:hover{color:var(--cyan-2);}

/* ---------- step bands ---------- */
.band-list{display:flex;flex-direction:column;gap:18px;}
.band{
  display:grid;
  grid-template-columns:96px minmax(0,1fr) auto;
  align-items:center;
  gap:22px;
  padding:24px 28px;
  border-radius:var(--radius-md);
  background:var(--glass-soft);
  border:1px solid var(--line);
  box-shadow:var(--inner-hi);
  transition:border-color .22s,transform .22s,background .22s;
}
.band:hover{border-color:var(--line-strong);transform:translateX(4px);background:rgba(18,40,62,.62);}
.band-num{
  font-size:30px;font-weight:700;color:rgba(46,230,214,.55);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.band h3{font-size:19px;margin-bottom:6px;}
.band p{margin:0;font-size:15.4px;}
.band .band-tag{
  font-size:13px;color:var(--orange);
  border:1px solid rgba(255,181,71,.35);
  background:rgba(255,181,71,.1);
  padding:6px 14px;border-radius:999px;white-space:nowrap;
}

/* ---------- checklist split ---------- */
.split{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:30px;
  align-items:start;
}
.panel{padding:32px;border-radius:var(--radius-lg);}
.panel h3{margin-bottom:18px;}
.panel .note{
  font-size:14.5px;color:var(--text-3);
  border-left:2px solid var(--cyan);
  padding-left:14px;
  margin-top:20px;
}
.check li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:15.6px;color:var(--text-2);
}
.check li:last-child{border-bottom:none;}
.check li svg{flex:0 0 auto;margin-top:4px;color:var(--cyan);}
.aside-card{
  padding:28px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(46,230,214,.14),rgba(18,40,62,.6));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),var(--inner-hi);
}
.aside-card h4{margin-bottom:14px;}
.aside-card p{font-size:15.2px;}
.aside-card .mini{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  font-size:13px;color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  padding:6px 13px;border-radius:999px;
}
.chip.hot{color:var(--orange);border-color:rgba(255,181,71,.35);background:rgba(255,181,71,.1);}

/* ---------- safety cards ---------- */
.safety-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.safety-grid .glass:nth-child(2){margin-top:26px;}
.safety-card{padding:28px;}
.safety-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(46,230,214,.12);
  border:1px solid var(--line-strong);
  color:var(--cyan);
  margin-bottom:18px;
}
.safety-card h3{font-size:19px;margin-bottom:10px;}
.safety-card p{font-size:15.3px;margin:0;}
.safety-note{
  margin-top:28px;padding:22px 26px;border-radius:var(--radius-md);
  background:rgba(255,181,71,.08);
  border:1px solid rgba(255,181,71,.28);
  color:#F6DFBE;font-size:15.4px;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--glass-soft);
  overflow:hidden;
  transition:border-color .22s,background .22s;
}
.faq-item.open{border-color:var(--line-strong);background:rgba(18,40,62,.66);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  background:transparent;border:none;
  text-align:left;cursor:pointer;
  color:var(--text);
  min-height:48px;
}
.faq-q h4{font-size:17px;font-weight:600;margin:0;}
.faq-sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  color:var(--cyan);font-size:16px;line-height:1;
  transition:transform .25s,background .25s;
}
.faq-item.open .faq-sign{background:rgba(46,230,214,.16);transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{padding:0 24px 22px;font-size:15.7px;color:var(--text-2);}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  padding:46px 42px;
  background:
    radial-gradient(600px 260px at 92% 0%,rgba(46,230,214,.2),transparent 62%),
    linear-gradient(150deg,rgba(18,40,62,.82),rgba(6,24,38,.88));
  box-shadow:var(--shadow),var(--inner-hi);
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:34px;
  align-items:center;
}
.cta-panel h2{font-size:clamp(24px,3vw,34px);}
.cta-panel p{margin-top:14px;max-width:640px;font-size:16px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
.privacy-line{
  margin-top:18px;
  font-size:14px;color:var(--text-3);
}
.privacy-line a{text-decoration:underline;text-underline-offset:3px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;
  background:#04101B;
  border-top:1px solid var(--line);
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:34px;
  padding:64px 0 42px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-weight:700;font-size:17px;color:var(--text);}
.footer-col p{font-size:15px;color:var(--text-3);max-width:340px;}
.footer-col h4{font-size:15.5px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a,.footer-col ul li span{font-size:15px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:22px 0 28px;
  border-top:1px solid var(--line);
  font-size:14px;color:var(--text-3);
}

/* ---------- drawer form ---------- */
.overlay{
  position:fixed;inset:0;
  background:rgba(3,10,20,.72);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:90;
}
.overlay.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;
  width:460px;max-width:100%;
  height:100%;
  background:linear-gradient(170deg,#0A1F33,#06121F);
  border-left:1px solid var(--line);
  box-shadow:-24px 0 60px rgba(0,0,0,.5);
  transform:translateX(100%);
  transition:transform .35s cubic-bezier(.3,.8,.3,1);
  z-index:100;
  display:flex;flex-direction:column;
}
.drawer.show{transform:translateX(0);}
.drawer-head{
  padding:24px 26px 18px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
}
.drawer-head h3{font-size:20px;margin-bottom:8px;}
.drawer-head p{margin:0;font-size:14.6px;color:var(--text-3);}
.drawer-close{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);cursor:pointer;font-size:18px;line-height:1;
  transition:border-color .2s,color .2s,transform .2s;
}
.drawer-close:hover{border-color:var(--cyan);color:var(--cyan);transform:rotate(90deg);}
.drawer-body{padding:24px 26px 30px;overflow-y:auto;flex:1;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14.4px;color:var(--text-2);margin-bottom:8px;}
.field .req{color:var(--orange);}
.field input,.field select,.field textarea{
  width:100%;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  padding:12px 14px;
  font-size:15.4px;
  font-family:inherit;
  transition:border-color .2s,background .2s;
  min-height:46px;
}
.field textarea{min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(169,192,212,.55);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);background:rgba(46,230,214,.08);
}
.field select option{background:#0A1F33;color:var(--text);}
.field.err input,.field.err select,.field.err textarea{border-color:var(--orange);background:rgba(255,181,71,.08);}
.field .msg{font-size:13.2px;color:var(--orange);margin-top:6px;display:none;}
.field.err .msg{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:14.2px;color:var(--text-2);}
.check-row input{width:18px;height:18px;min-height:auto;margin-top:3px;accent-color:#19E3C2;flex:0 0 auto;}
.check-row a{text-decoration:underline;text-underline-offset:3px;}
.form-tip{font-size:13.6px;color:var(--text-3);margin-top:16px;}
.success-box{
  display:none;
  text-align:center;
  padding:38px 10px;
}
.success-box.show{display:block;}
.success-icon{
  width:64px;height:64px;border-radius:50%;
  margin:0 auto 20px;
  display:grid;place-items:center;
  background:rgba(46,230,214,.14);
  border:1px solid var(--line-strong);
  color:var(--cyan);
  box-shadow:0 0 0 8px rgba(46,230,214,.06);
}
.success-box h3{margin-bottom:12px;}
.success-box p{font-size:15.4px;}

/* ---------- mobile bottom tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;
  z-index:80;
  display:none;
  grid-template-columns:repeat(5,1fr);
  background:rgba(6,18,31,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;
  min-height:60px;
  font-size:11.5px;
  color:var(--text-3);
  position:relative;
  transition:color .2s;
}
.mobile-tab a svg{width:21px;height:21px;}
.mobile-tab a.active{color:var(--cyan);}
.mobile-tab a.active::after{
  content:"";position:absolute;top:6px;width:22px;height:3px;border-radius:999px;
  background:var(--cyan);
  box-shadow:0 0 14px rgba(46,230,214,.9);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width:991.98px){
  body{padding-bottom:78px;}
  .nav-links{display:none;}
  .header-cta{margin-left:auto;}
  .mobile-tab{display:grid;}
  .page-hero-inner{padding:46px 0 54px;}
  .section{padding:64px 0;}
  .section.tight{padding:52px 0;}
  .scene-grid{grid-template-columns:1fr;gap:22px;}
  .scene-card:nth-child(even){transform:none;}
  .scene-card:nth-child(even):hover{transform:translateY(-6px);}
  .split{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .safety-grid .glass:nth-child(2){margin-top:0;}
  .cta-panel{grid-template-columns:1fr;padding:34px 26px;}
  .band{grid-template-columns:64px minmax(0,1fr);}
  .band .band-tag{display:none;}
  .drawer{
    top:auto;bottom:0;left:0;right:0;
    width:100%;height:88%;
    border-left:none;border-top:1px solid var(--line);
    border-radius:24px 24px 0 0;
    transform:translateY(100%);
  }
  .drawer.show{transform:translateY(0);}
}
@media (max-width:767.98px){
  body{font-size:16.4px;}
  .brand-text{font-size:15.6px;max-width:190px;overflow:hidden;text-overflow:ellipsis;}
  .header-inner{gap:14px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:48px 0 32px;}
  .panel{padding:24px;}
  .faq-q{padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
}
@media (max-width:519.98px){
  .container-x{padding:0 16px;}
  .scene-card{padding:22px;}
  .band{padding:18px 16px;gap:14px;}
  .band-num{font-size:24px;}
  .cta-panel{padding:26px 18px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}