:root{
  --bg:#0C1B22; --bg2:#11252E; --card:#16303A; --card2:#1D3C48; --line:#274B58;
  --txt:#E9F1F2; --dim:#9CB4BA; --dim2:#7E979E;
  --pri:#23B594; --pri-d:#128A6E; --pri-s:#12332C;
  --acc:#FF8A5B; --acc-d:#D95F32;
  --gold:#F2C14E;
  --r:16px; --r2:22px;
  --sh:0 18px 40px -22px rgba(0,0,0,.75);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.2px;
}
h1,h2,h3,h4,p,ul,ol,li,figure,figcaption,blockquote,dl,dd,dt,table{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--pri);text-decoration:none}
a:hover{color:var(--acc)}
img{max-width:100%;height:auto;display:block}
button{font:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.tide{animation:tideIn .62s cubic-bezier(.22,.72,.3,1) both}
.tide.d1{animation-delay:.07s}
.tide.d2{animation-delay:.14s}
.tide.d3{animation-delay:.21s}
.tide.d4{animation-delay:.28s}
@keyframes tideIn{from{opacity:0;transform:translateX(-18px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.tide{animation:none;opacity:1;transform:none}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  white-space:nowrap;border:0;cursor:pointer;border-radius:999px;
  padding:13px 30px;font-weight:700;font-size:15px;line-height:1;
  transition:transform .18s ease, box-shadow .18s ease;
}
.btn.btn-primary{
  color:#08211B;background:linear-gradient(112deg,var(--pri) 0%,var(--pri) 48%,var(--acc) 100%);
  box-shadow:0 12px 26px -14px rgba(35,181,148,.85);
}
.btn.btn-primary:hover{
  color:#08211B;background:linear-gradient(112deg,var(--pri-d) 0%,var(--pri) 46%,var(--acc) 100%);
  transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(255,138,91,.75);
}
.btn.btn-ghost{
  color:var(--txt);background:transparent;box-shadow:inset 0 0 0 1.5px var(--line);
}
.btn.btn-ghost:hover{color:var(--txt);background:rgba(35,181,148,.14)}

.top{
  position:sticky;top:0;z-index:40;
  background:rgba(12,27,34,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.top__in{
  max-width:1180px;margin:0 auto;padding:12px 22px;
  display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;order:1}
.brand img{width:38px;height:38px;border-radius:11px}
.brand b{font-size:19px;letter-spacing:1.4px;color:var(--txt)}
.brand span{display:block;font-size:10px;letter-spacing:2.4px;color:var(--dim2);line-height:1}
.nav{
  order:2;margin-left:auto;display:flex;align-items:center;flex-wrap:wrap;gap:2px;
}
.nav a{
  display:block;padding:8px 13px;border-radius:10px;font-size:14.5px;
  color:var(--txt);transition:background .16s ease,color .16s ease;
}
.nav a:hover{color:var(--txt);background:rgba(35,181,148,.15)}
.nav a[aria-current="page"]{color:var(--pri);background:rgba(35,181,148,.16);font-weight:700}
.top__in .btn.btn-primary{order:3;padding:11px 22px;font-size:14px}

.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 420px at 6% 2%, rgba(35,181,148,.26), transparent 68%),
    radial-gradient(520px 400px at 96% 92%, rgba(255,138,91,.2), transparent 66%),
    linear-gradient(162deg,#0C1B22 0%,#11252E 52%,#0E2129 100%);
}
.hero__in{
  position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:58px 22px 66px;
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
}
.kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:2.2px;
  color:var(--pri);text-transform:uppercase;
}
.kicker::before{
  content:"";width:9px;height:9px;border-radius:50%;background:var(--pri);
  box-shadow:0 0 0 4px rgba(35,181,148,.18);
}
.hero h1{
  margin:16px 0 14px;font-size:clamp(30px,4.4vw,46px);line-height:1.24;
  letter-spacing:1px;font-weight:800;
}
.hero h1 em{font-style:normal;color:var(--acc)}
.lead{font-size:16.5px;color:var(--dim);max-width:620px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__note{margin-top:16px;font-size:13px;color:var(--dim2)}
.hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.hero__tags span{padding:6px 11px;border:1px solid rgba(255,255,255,.18);border-radius:4px;color:var(--txt)}
.hero__shot{position:relative;max-width:300px;margin:0 auto}
.hero__shot::after{
  content:"";position:absolute;left:-24px;right:-24px;bottom:-26px;height:74px;z-index:0;
  border-radius:var(--r2);background:linear-gradient(100deg,rgba(35,181,148,.34),rgba(255,138,91,.28));
  filter:blur(14px);
}
.hero__shot img{
  position:relative;z-index:1;width:100%;height:auto;border-radius:var(--r2);
  box-shadow:0 0 0 5px rgba(255,255,255,.06),var(--sh);
}
.hero__shot figcaption{margin-top:12px;text-align:center;font-size:12.5px;color:var(--dim2)}

.facts{position:relative;max-width:1180px;margin:-36px auto 0;padding:0 22px;z-index:5}
.facts__in{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:linear-gradient(180deg,var(--card),var(--bg2));
  border:1px solid var(--line);border-radius:var(--r2);padding:22px 24px;box-shadow:var(--sh);
}
.facts b{display:block;font-size:26px;color:var(--pri);line-height:1.2}
.facts span{display:block;font-size:13px;color:var(--dim)}

.sec{padding:76px 0 8px}
.sec__top{display:flex;align-items:center;gap:13px}
.sec__mark{
  display:block;position:relative;width:22px;height:22px;flex:0 0 22px;border-radius:50%;
  border:3px solid var(--pri);
}
.sec__mark::after{
  content:"";position:absolute;inset:5px;border-radius:50%;background:var(--acc);
}
.sec h2{font-size:clamp(22px,2.7vw,29px);font-weight:800;letter-spacing:.6px}
.sec__sub{margin:9px 0 0 35px;font-size:14.5px;color:var(--dim)}
.sec__dots{
  margin:14px 0 30px;height:5px;width:170px;
  background-image:radial-gradient(circle,var(--pri) 1.3px,transparent 1.5px);
  background-size:14px 5px;background-repeat:repeat-x;opacity:.85;
}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}

.lamp{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);padding:20px 20px 20px 0;overflow:hidden;
  transition:border-color .2s ease,transform .2s ease;
}
.lamp:hover{border-color:var(--pri);transform:translateY(-3px)}
.lamp__win{
  flex:0 0 7px;align-self:stretch;margin-left:0;border-radius:0 7px 7px 0;
  background:linear-gradient(180deg,var(--pri),var(--acc));
}
.lamp__body{padding-left:4px}
.lamp h3{font-size:17px;font-weight:700;margin-bottom:7px}
.lamp p{font-size:14.5px;color:var(--dim)}

.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.shot{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.shot img{
  width:auto;max-width:100%;height:auto;margin:0 auto;
  border-radius:12px;box-shadow:0 0 0 3px rgba(255,255,255,.05);
}
.shot figcaption{margin-top:11px;font-size:13px;color:var(--dim);text-align:center}
.shot i{
  display:block;font-style:normal;font-size:11px;letter-spacing:1.6px;
  color:var(--pri);text-align:center;margin-bottom:3px;
}

.entry{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.entry a{
  display:block;background:linear-gradient(160deg,var(--card2),var(--card));
  border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;
  color:var(--txt);transition:transform .2s ease,border-color .2s ease;
}
.entry a:hover{color:var(--txt);border-color:var(--acc);transform:translateY(-4px)}
.entry b{display:block;font-size:16.5px;margin-bottom:8px}
.entry em{font-style:normal;font-size:13.5px;color:var(--dim)}

.revs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rev{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:var(--r);padding:20px;
}
.rev .star{color:var(--gold);font-size:14px;letter-spacing:2px}
.rev p{font-size:14.5px;color:var(--dim);margin:10px 0 12px}
.rev span{font-size:12.5px;color:var(--dim2)}

.qa{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:6px 20px}
.qa details{border-bottom:1px solid var(--line);padding:14px 0}
.qa details:last-child{border-bottom:0}
.qa summary{
  cursor:pointer;font-weight:700;font-size:15.5px;list-style:none;
  display:flex;align-items:flex-start;gap:10px;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::before{
  content:"›";color:var(--pri);font-size:21px;line-height:1.15;
  transition:transform .2s ease,color .2s ease;
}
.qa details[open] summary::before{transform:rotate(90deg);color:var(--acc)}
.qa details p{margin:9px 0 4px 22px;font-size:14.5px;color:var(--dim)}

.cta{
  margin:78px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(520px 300px at 12% 100%, rgba(35,181,148,.24), transparent 66%),
    radial-gradient(500px 280px at 88% 0%, rgba(255,138,91,.2), transparent 64%),
    var(--bg2);
}
.cta__in{max-width:1180px;margin:0 auto;padding:56px 22px 62px;text-align:center}
.cta h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;margin-bottom:12px}
.cta p{color:var(--dim);font-size:15px;max-width:660px;margin:0 auto 24px}
.cta .btn.btn-ghost{color:var(--txt)}
.cta .btn.btn-ghost:hover{color:var(--txt)}

.foot{background:#08141A;padding:52px 0 26px;font-size:14px;color:var(--dim)}
.foot__in{max-width:1180px;margin:0 auto;padding:0 22px}
.foot__col{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.foot__col h3 img{display:inline-block;vertical-align:middle;margin-right:8px;object-fit:contain}
.foot h3{font-size:15px;color:var(--txt);margin-bottom:12px}
.foot p{font-size:13.5px;color:var(--dim2);line-height:1.8}
.foot .foot__intro{margin-top:22px}
.foot li{margin-bottom:8px}
.foot a{color:var(--dim);font-size:13.5px}
.foot a:hover{color:var(--pri)}
.foot .btn.btn-primary{margin-top:14px;padding:11px 24px;font-size:14px;display:inline-flex}
.foot__bar{
  margin-top:34px;padding-top:20px;border-top:1px solid #14262E;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:var(--dim2);
}

.page{padding:52px 0 0;border-bottom:1px solid var(--line);background:var(--bg2)}
.page__in{max-width:1180px;margin:0 auto;padding:0 22px 46px}
.page h1{font-size:clamp(26px,3.4vw,36px);font-weight:800;margin:14px 0 14px;letter-spacing:.6px}
.page .lead{max-width:760px}
.crumb{font-size:12.5px;color:var(--dim2)}
.crumb a{color:var(--dim)}

.prose{padding:56px 0 0}
.prose h2{font-size:clamp(20px,2.4vw,25px);font-weight:800;margin:48px 0 14px}
.prose h3{font-size:17.5px;font-weight:700;margin:26px 0 8px;color:var(--pri)}
.prose p{color:var(--dim);margin-bottom:14px;font-size:15.5px}
.prose ul{margin:0 0 16px}
.prose li{
  position:relative;padding-left:20px;margin-bottom:9px;color:var(--dim);font-size:15px;
}
.prose li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--pri);
}
.prose strong{color:var(--txt)}
.flow{display:grid;gap:14px;margin:8px 0 22px}
.flow__it{
  display:grid;grid-template-columns:52px 1fr;gap:16px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;
}
.flow__no{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--pri),var(--acc));color:#08211B;font-weight:800;font-size:17px;
}
.flow__it h3{margin:0 0 6px;font-size:16.5px;color:var(--txt)}
.flow__it p{font-size:14.5px;color:var(--dim)}
.note{
  background:var(--pri-s);border-left:4px solid var(--pri);border-radius:12px;
  padding:16px 20px;margin:20px 0;font-size:14.5px;color:var(--dim);
}
.note strong{color:var(--pri)}
.wide{
  width:auto;max-width:min(420px,100%);height:auto;margin:6px auto 10px;
  border-radius:14px;box-shadow:0 0 0 4px var(--card),0 16px 34px -20px rgba(0,0,0,.85);
}
.wide-cap{text-align:center;font-size:12.5px;color:var(--dim2);margin-bottom:22px}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:34px;padding:46px 22px 54px}
  .hero__shot{max-width:280px}
  .facts{margin-top:0;padding-top:22px}
  .facts__in{grid-template-columns:repeat(2,1fr)}
  .g3,.shots,.entry,.revs{grid-template-columns:repeat(2,1fr)}
  .foot__col{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  body{font-size:15.5px}
  .top__in{flex-wrap:wrap;gap:10px}
  .brand{order:1}
  .top__in .btn.btn-primary{order:2;margin-left:auto;padding:10px 18px}
  .nav{order:3;flex:1 0 100%;margin-left:0;justify-content:center;gap:4px}
  .nav a{padding:7px 10px;font-size:13.5px}
  .hero__in{padding:38px 22px 46px}
  .hero__shot{max-width:250px}
  .sec{padding:54px 0 4px}
  .sec__sub{margin-left:0}
  .g3,.shots,.entry,.revs{grid-template-columns:1fr}
  .facts__in{grid-template-columns:1fr 1fr;padding:18px}
  .cta__in{padding:44px 22px 50px}
  .foot__col{grid-template-columns:1fr}
  .flow__it{grid-template-columns:1fr;gap:10px}
  .page{padding:36px 0 0}
  .prose{padding:38px 0 0}
}