:root{
  --bg:#1F1915;
  --bg2:#2A211A;
  --bg3:#342920;
  --card:#2B2119;
  --line:#463628;
  --ink:#F6EFE7;
  --ink2:#C9BBA9;
  --ink3:#9A8B79;
  --main:#2FB9A6;
  --main-l:#5FD6C0;
  --main-d:#1B8A7B;
  --aux:#E0B063;
  --aux-d:#B98A38;
  --dot:#B4579E;
  --dot-d:#8E3C7E;
  --r:14px;
  --w:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font:16px/1.78 "PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--main-l);text-decoration:none}
h1,h2,h3,h4{line-height:1.34;margin:0}
p{margin:0}
summary{outline:none}

.top{
  position:sticky;top:0;z-index:40;
  background:rgba(31,25,21,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
body[data-solid] .top{background:rgba(23,19,16,.98);box-shadow:0 12px 34px rgba(0,0,0,.42)}
.top__in{
  max-width:var(--w);margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px;letter-spacing:.4px}
.brand img{width:40px;height:40px;border-radius:12px;box-shadow:0 0 0 1px rgba(255,255,255,.08)}
.nav{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--ink2);padding:9px 12px;border-radius:10px;font-size:15px}
.nav a:hover{color:var(--ink);background:rgba(47,185,166,.13)}
.nav a[aria-current="page"]{color:#0E1714;background:linear-gradient(135deg,var(--main-l),var(--main));font-weight:700}

.btn{
  display:inline-block;padding:11px 22px;border-radius:11px;
  font-weight:700;font-size:15px;white-space:nowrap;
  color:#0E1714;background:linear-gradient(135deg,var(--aux),#D09440);
  box-shadow:0 10px 22px rgba(224,176,99,.2);
}
.btn:hover{color:#0E1714;background:linear-gradient(135deg,#F0C179,var(--aux-d))}
.btn--ghost{background:transparent;border:1px solid var(--main);color:var(--main-l);box-shadow:none}
.btn--ghost:hover{background:rgba(47,185,166,.15);color:var(--main-l)}

.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero__glow{position:absolute;inset:0;pointer-events:none}
.hero__glow::before{
  content:"";position:absolute;left:-18%;bottom:-42%;width:760px;height:420px;
  background:radial-gradient(circle,rgba(47,185,166,.34),transparent 68%);
}
.hero__glow::after{
  content:"";position:absolute;right:-14%;top:-32%;width:620px;height:360px;
  background:radial-gradient(circle,rgba(180,87,158,.26),transparent 70%);
}
.hero__in{
  position:relative;max-width:var(--w);margin:0 auto;padding:58px 20px 62px;
  display:grid;grid-template-columns:1.04fr .96fr;gap:44px;align-items:center;
}
.kicker{
  display:inline-block;margin-bottom:16px;padding:5px 13px;border-radius:999px;
  font-size:12px;letter-spacing:2.4px;color:var(--aux);
  border:1px solid rgba(224,176,99,.42);background:rgba(224,176,99,.08);
}
.hero h1{font-size:clamp(30px,4.3vw,50px);letter-spacing:.5px}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--main-l),var(--aux) 62%,var(--dot));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{margin-top:18px;font-size:17px;color:var(--ink2);max-width:660px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero__note{margin-top:16px;font-size:13px;color:var(--ink3)}
.hero figure{margin:0}
.hero__shot{
  max-width:320px;margin:0 auto;border-radius:20px;overflow:hidden;
  box-shadow:0 0 0 4px rgba(255,255,255,.06),0 30px 64px rgba(0,0,0,.55);
}
.hero__shot img{width:100%;height:auto;border-radius:20px}

.fan{position:relative;height:26px;background:var(--bg)}
.fan--alt{background:var(--bg2)}
.fan::before{
  content:"";position:absolute;inset:0;
  background:repeating-conic-gradient(from 256deg at 50% 170%,rgba(47,185,166,.46) 0 1.2deg,rgba(47,185,166,0) 1.2deg 6.8deg);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 14%,#000 86%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 14%,#000 86%,transparent);
}
.fan::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:min(70%,620px);height:2px;
  background:linear-gradient(90deg,transparent,var(--aux),var(--dot),transparent);
  opacity:.62;
}

.sec{padding:62px 20px}
.sec--alt{background:var(--bg2)}
.sec__in{max-width:var(--w);margin:0 auto}
.sec__h{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.sec__no{
  flex:0 0 auto;width:52px;height:26px;border-radius:26px 26px 0 0;
  background:linear-gradient(135deg,var(--main-l),var(--main-d));
  color:#0E1714;font-weight:700;font-size:12px;display:grid;place-items:center;
  padding-bottom:5px;
}
.sec__h h2{font-size:clamp(21px,2.5vw,29px)}

.meter{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.meter__cell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;display:flex;align-items:center;gap:16px;
}
.ring{
  flex:0 0 auto;width:62px;height:62px;border-radius:50%;position:relative;
  background:conic-gradient(var(--main) calc(var(--p) * 1%),rgba(255,255,255,.09) 0);
  display:grid;place-items:center;
}
.ring::after{content:"";position:absolute;inset:8px;border-radius:50%;background:var(--card)}
.ring b{position:relative;z-index:1;font-size:13px;color:var(--main-l)}
.meter__cell span{display:block;color:var(--ink2);font-size:14px}
.meter__cell strong{display:block;font-size:19px;color:var(--ink);margin-bottom:2px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fcard{
  position:relative;overflow:hidden;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);padding:24px;
}
.fcard::after{
  content:"";position:absolute;right:-34px;top:-34px;width:118px;height:118px;
  background:radial-gradient(circle at 32% 32%,rgba(47,185,166,.3),transparent 70%);
}
.fcard svg{width:34px;height:34px;margin-bottom:14px}
.fcard h3{font-size:18px;margin-bottom:9px}
.fcard p{color:var(--ink2);font-size:15px}

.shots{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:start}
.shot{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.shot:nth-child(even){margin-top:38px}
.shot img{width:100%;height:auto;border-radius:10px}
.shot figcaption{margin-top:auto;padding-top:16px;font-size:14px;color:var(--ink2)}
.shot figcaption b{display:block;margin-bottom:6px;color:var(--ink);font-size:15px}

.doors{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.door{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;color:var(--ink)}
.door:hover{border-color:var(--main);background:var(--bg3)}
.door b{display:block;font-size:18px;margin-bottom:9px}
.door p{color:var(--ink2);font-size:15px;margin-bottom:12px}
.door span{color:var(--aux);font-size:14px}

.voices{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.voice{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--dot);border-radius:var(--r);padding:22px}
.voice p{color:var(--ink2);font-size:15px;margin-bottom:13px}
.voice b{color:var(--ink);font-size:15px}
.voice i{display:block;font-style:normal;color:var(--ink3);font-size:13px;margin-top:4px}

.faqs{display:grid;gap:12px}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 18px}
details[open]{border-color:var(--main);background:var(--bg3)}
summary{cursor:pointer;padding:16px 0;font-weight:700;font-size:16px;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--main-l);font-weight:700}
details[open] summary::after{content:"\2212"}
details p{padding-bottom:16px;color:var(--ink2);font-size:15px}

.cta{padding:56px 20px;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(135deg,#2A211A,#3A2C1E 52%,#1D2A26)}
.cta h2{font-size:clamp(22px,2.6vw,30px)}
.cta .btn{margin-top:22px}
.cta-note{margin-top:16px;font-size:14px;color:var(--ink3)}

.page-hero{padding:44px 20px 40px;background:var(--bg2);border-bottom:1px solid var(--line)}
.page-hero__in{max-width:var(--w);margin:0 auto}
.crumb{font-size:13px;color:var(--ink3);margin-bottom:14px}
.crumb a{color:var(--ink2)}
.page-hero h1{font-size:clamp(26px,3.3vw,40px)}
.page-hero .lead{max-width:780px}

.prose{max-width:840px}
.prose h2{font-size:clamp(20px,2.3vw,26px);margin:0 0 10px}
.prose>h2{margin-top:44px}
.prose>h2:first-of-type{margin-top:0}
.prose h3{font-size:18px;margin:26px 0 8px}
.prose p{color:var(--ink2);margin-bottom:16px}
.prose ul,.prose ol{color:var(--ink2);margin:0 0 16px;padding-left:22px}
.prose li{margin-bottom:9px}
.prose b,.prose strong{color:var(--ink)}
.prose code{background:var(--bg3);border:1px solid var(--line);border-radius:6px;padding:2px 7px;font-size:14px;color:var(--main-l)}
.prose .tip{
  margin:22px 0;padding:18px 20px;border-radius:12px;
  border:1px solid rgba(224,176,99,.34);background:rgba(224,176,99,.07);color:var(--ink2);font-size:15px;
}
.prose .tip b{color:var(--aux)}

.steps{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.steps>li{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:20px 20px 20px 66px;color:var(--ink2);font-size:15px;
}
.steps>li::before{
  content:counter(s,decimal-leading-zero);counter-increment:s;
  position:absolute;left:18px;top:20px;width:32px;height:32px;
  border-radius:16px 16px 0 0;background:linear-gradient(135deg,var(--main-l),var(--main-d));
  color:#0E1714;font-weight:700;font-size:12px;display:grid;place-items:center;
}
.steps{counter-reset:s}
.steps>li b{display:block;color:var(--ink);margin-bottom:7px;font-size:16px}

.tblwrap{overflow-x:auto;margin:0 0 18px}
table{width:100%;border-collapse:collapse;min-width:600px;font-size:15px}
th,td{border-bottom:1px solid var(--line);padding:13px 14px;text-align:left;vertical-align:top;color:var(--ink2)}
th{color:var(--ink);background:var(--bg3);white-space:nowrap}
.tblnote{margin-bottom:10px;font-size:14px;color:var(--ink3)}

.foot{background:#171310;border-top:1px solid var(--line);padding:46px 20px 26px;color:var(--ink3)}
.foot__in{max-width:var(--w);margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}
.foot h3{font-size:15px;color:var(--ink);margin-bottom:13px}
.foot p{font-size:14px;color:var(--ink3)}
.foot__nav{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot__nav a{color:var(--ink2);font-size:14px}
.foot__nav a:hover{color:var(--main-l)}
.foot .btn{margin-top:16px;color:#0E1714}
.foot .btn:hover{color:#0E1714}
.foot__note{
  max-width:var(--w);margin:28px auto 0;padding-top:18px;
  border-top:1px solid var(--line);font-size:13px;line-height:1.95;color:var(--ink3);
}

@keyframes driftIn{
  from{opacity:0;transform:translate(-12px,14px) rotate(1.2deg)}
  to{opacity:1;transform:none}
}
.drift{animation:driftIn .62s cubic-bezier(.2,.7,.3,1) both}
.drift.d1{animation-delay:.08s}

@media (prefers-reduced-motion:reduce){
  .drift{animation:none;opacity:1;transform:none}
}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:32px}
  .hero__shot{max-width:300px}
  .cards,.doors,.voices{grid-template-columns:repeat(2,1fr)}
  .shots{grid-template-columns:repeat(2,1fr);gap:22px}
  .shot:nth-child(even){margin-top:0}
  .meter{grid-template-columns:repeat(2,1fr)}
  .foot__in{grid-template-columns:1fr 1fr}
  .nav{order:3;width:100%;justify-content:flex-start;margin-left:0}
  .top__in{padding:11px 18px;gap:12px}
}
@media (max-width:620px){
  .sec{padding:46px 16px}
  .hero__in{padding:36px 16px 42px}
  .hero__shot{max-width:280px}
  .cards,.doors,.voices,.shots,.meter,.foot__in{grid-template-columns:1fr}
  .page-hero{padding:34px 16px 32px}
  .top__in{padding:10px 14px;gap:10px}
  .brand{font-size:16px}
  .brand img{width:34px;height:34px;border-radius:10px}
  .nav a{padding:8px 10px;font-size:14px}
  .btn{padding:10px 18px;font-size:14px}
  .steps>li{padding:18px 16px 18px 58px}
}