:root{
  --bg:#14171B;
  --bg2:#1A1E23;
  --bg3:#20252B;
  --ink:#ECE9E4;
  --ink2:#9BA4AC;
  --cyan:#7FA9A0;
  --gold:#D2A05C;
  --line:#2A3138;
  --card:#181C21;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',Arial,sans-serif;
  font-size:16px;line-height:1.8;
}
img{display:block;max-width:100%}
a{color:var(--cyan);text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure,figcaption,blockquote,dl,dd,table{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}

.top{background:var(--bg);border-bottom:1px solid var(--line)}
.top__in{
  max-width:1100px;margin:0 auto;padding:15px 24px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
}
.top .nav{justify-self:start}
.top .brand{justify-self:center}
.top .btn.btn-primary{justify-self:end}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink)}
.brand img{width:28px;height:28px;object-fit:contain}
.brand span{font-size:17px;font-weight:700;letter-spacing:.2em}
.nav{display:flex;align-items:center;gap:22px}
.nav a{font-size:14px;color:var(--ink2);padding:4px 0;border-bottom:1px solid transparent}
.nav a[aria-current="page"]{color:var(--gold);border-bottom-color:var(--gold)}
.nav a:hover{color:var(--ink)}

.btn{display:inline-flex;align-items:center;justify-content:center}
.btn.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;width:auto;
  padding:9px 20px;border-radius:0;background:var(--gold);color:#1A1208;
  font-size:14px;font-weight:700;letter-spacing:.06em;white-space:nowrap;
}
.btn.btn-primary:hover{background:#E3B475;color:#1A1208}
.btn.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;width:auto;
  padding:9px 20px;border-radius:0;background:transparent;color:var(--cyan);
  border:1px solid var(--line);font-size:14px;font-weight:600;white-space:nowrap;
}
.btn.btn-ghost:hover{border-color:var(--cyan);color:var(--ink)}

.hero{position:relative;overflow:hidden;background:
  radial-gradient(120% 90% at 88% 8%,rgba(127,169,160,.14),transparent 58%),
  linear-gradient(180deg,#15191E,#111417 70%);}
.hero::before{
  content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(127,169,160,.18);
  box-shadow:0 0 0 60px rgba(127,169,160,.045),0 0 0 130px rgba(127,169,160,.028);
}
.hero::after{
  content:"";position:absolute;left:0;top:0;width:64px;bottom:0;
  background:repeating-linear-gradient(180deg,rgba(210,160,92,.28) 0 1px,transparent 1px 18px);
  opacity:.5;
}
.hero__in{
  position:relative;z-index:1;max-width:1100px;margin:0 auto;
  padding:72px 24px 76px;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.kick{
  font-size:12px;letter-spacing:.26em;color:var(--gold);display:block;margin-bottom:18px;
}
.hero h1{font-size:41px;line-height:1.28;font-weight:700;letter-spacing:.01em}
.lead{margin-top:18px;font-size:16px;line-height:1.95;color:var(--ink2);max-width:32em}
.hero__cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.hero__shot{justify-self:end}
.hero__shot img{
  width:100%;height:auto;max-width:300px;margin:0 auto;
  border-radius:4px;border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.hero__shot figcaption{margin-top:12px;font-size:12.5px;color:#7E878E;text-align:center}

.sec{padding:70px 0;border-bottom:1px solid var(--line)}
.sec--dark{background:var(--bg2)}
.head{margin-bottom:38px}
.head .no{
  display:block;font-size:12px;letter-spacing:.24em;color:var(--cyan);margin-bottom:12px;
}
.head h2{font-size:28px;font-weight:700;line-height:1.4}
.sub{margin-top:12px;font-size:15px;color:var(--ink2);max-width:40em;line-height:1.9}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cell{background:var(--card);padding:26px 24px 24px}
.cell h3{font-size:16.5px;font-weight:700;margin-bottom:9px;color:var(--ink)}
.cell p{font-size:14.5px;line-height:1.9;color:var(--ink2)}
.cell .n{display:block;font-size:11.5px;letter-spacing:.2em;color:var(--gold);margin-bottom:12px}

.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.shot{text-align:center}
.shot img{
  width:100%;height:auto;max-width:252px;margin:0 auto;
  border:1px solid var(--line);border-radius:3px;
}
.shot figcaption{margin-top:12px;font-size:13px;color:var(--ink2);line-height:1.7}

.prose{max-width:820px}
.prose p{margin-bottom:16px;font-size:15.5px;line-height:1.98;color:#C9CFD5}
.prose h2{
  font-size:21px;font-weight:700;margin:36px 0 14px;color:var(--ink);
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:17px;margin:24px 0 8px;color:var(--cyan)}
.prose ul{margin:0 0 18px}
.prose li{
  position:relative;padding-left:18px;margin-bottom:9px;font-size:15px;color:#B9C0C7;
}
.prose li::before{
  content:"";position:absolute;left:0;top:.75em;width:7px;height:1px;background:var(--gold);
}

.qa{max-width:820px;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.qa details{background:var(--card);padding:18px 22px}
.qa summary{
  cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;color:var(--ink);
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"＋";float:right;color:var(--gold);font-weight:400}
.qa details[open] summary::after{content:"－"}
.qa p{margin-top:11px;font-size:14.5px;line-height:1.95;color:var(--ink2)}

.cta{background:var(--bg3);padding:58px 0;border-top:1px solid var(--line)}
.cta__in{
  max-width:1100px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta h2{font-size:26px;font-weight:700;line-height:1.45}
.cta p{margin-top:10px;font-size:14.8px;color:var(--ink2)}

.phero{background:linear-gradient(180deg,#171B20,#14171B);border-bottom:1px solid var(--line);padding:48px 0 50px}
.phero__in{max-width:1100px;margin:0 auto;padding:0 24px}
.crumb{font-size:12.5px;color:#6F787F;margin-bottom:14px;letter-spacing:.06em}
.crumb a{color:#6F787F}
.crumb a:hover{color:var(--cyan)}
.phero h1{font-size:32px;font-weight:700;line-height:1.38}
.phero .lead{margin-top:14px;max-width:44em}

.foot{padding:56px 0 0;background:#0F1215;border-top:1px solid var(--line)}
.foot__in{
  max-width:1100px;margin:0 auto;padding:0 24px 40px;
  display:grid;grid-template-columns:220px 1fr 1fr 1fr;gap:36px;
}
.foot__brand .brand{color:var(--ink)}
.foot__brand p{margin-top:14px;font-size:13px;line-height:1.9;color:#6F787F}
.foot h4{font-size:12px;letter-spacing:.16em;color:#5E666D;margin-bottom:12px;font-weight:600}
.foot__col a{display:block;padding:5px 0;font-size:14px;color:#9BA4AC}
.foot__col a:hover{color:var(--cyan)}
.foot__bar{
  border-top:1px solid var(--line);padding:18px 24px;max-width:1100px;margin:0 auto;
  font-size:12.5px;color:#5E666D;
}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:34px;padding:52px 24px 56px}
  .hero h1{font-size:34px}
  .hero__shot{justify-self:center}
  .hero__shot img{max-width:260px}
  .grid3{grid-template-columns:repeat(2,1fr)}
  .shots{grid-template-columns:repeat(2,1fr)}
  .head{margin-bottom:26px}
  .foot__in{grid-template-columns:1fr 1fr;gap:28px}
  .sec{padding:52px 0}
  .cta__in{grid-template-columns:1fr;gap:22px}
}

@media (max-width:640px){
  .top__in{grid-template-columns:1fr auto;padding:12px 18px;gap:10px}
  .brand span{font-size:15.5px;letter-spacing:.14em}
  .brand img{width:24px;height:24px;object-fit:contain}
  .btn.btn-primary{padding:8px 14px;font-size:13px;letter-spacing:.02em}
  .top .brand{grid-row:1;grid-column:1;justify-self:start}
  .top .btn.btn-primary{grid-row:1;grid-column:2}
  .top .nav{
    grid-row:2;grid-column:1 / -1;justify-self:stretch;
    justify-content:space-between;gap:0;
    border-top:1px solid var(--line);margin-top:8px;padding-top:8px;
  }
  .top .nav a{font-size:13px;padding:6px 0}
  .hero__in{padding:34px 18px 40px}
  .hero h1{font-size:27px}
  .lead{font-size:15px}
  .hero::after{width:34px}
  .sec{padding:38px 0}
  .head h2{font-size:22px}
  .grid3{grid-template-columns:1fr}
  .shots{grid-template-columns:1fr;gap:24px}
  .shot img{max-width:230px}
  .prose h2{font-size:19px;margin-top:28px}
  .cta h2{font-size:21px}
  .phero{padding:32px 0 34px}
  .phero h1{font-size:24px}
  .foot__in{grid-template-columns:1fr;gap:24px;padding-bottom:28px}
}