:root{
  --bg:#221B15; --card:#2C241C; --alt:#1B1510; --line:#3B3226;
  --main:#C9A83C; --main-d:#A8892C; --rose:#C79AA0;
  --ink:#F1EDE6; --body:#C4BBB0; --mut:#948A7E; --chip:#171210;
  --wrap:1080px; --narrow:830px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--body);line-height:1.75;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--main);text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

.btn{display:inline-block;font-size:15px;font-weight:700;padding:10px 22px;border-radius:4px;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn--primary{background:var(--main);color:var(--chip)}
.btn--primary:hover{background:#DBBB4E}
.btn--ghost{background:transparent;color:var(--main);border-color:var(--main)}
.btn--ghost:hover{background:var(--main);color:var(--chip)}
.btn--top{background:var(--main);color:var(--chip);padding:8px 16px;font-size:14px}
.btn--top:hover{background:#DBBB4E}
.btn--top--alt{background:transparent;color:var(--main);border-color:var(--main)}
.btn--top--alt:hover{background:var(--main);color:var(--chip)}
.btn--sm{padding:7px 16px;font-size:13px}

@keyframes gleam{from{opacity:0;filter:brightness(1.8)}to{opacity:1;filter:brightness(1)}}
.gleam{animation:gleam .55s ease-out both}
.gleam.d1{animation-delay:.1s}
@media (prefers-reduced-motion:reduce){.gleam{animation:none;opacity:1;filter:none}}

.top{background:var(--alt);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.top__up{border-bottom:1px solid var(--line)}
.top__in{max-width:var(--wrap);margin:0 auto;padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{width:30px;height:30px;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1.3}
.brand__txt b{font-size:17px;color:var(--ink)}
.brand__txt i{font-style:normal;font-size:11px;color:var(--mut);letter-spacing:.06em}
.top__dl{display:flex;gap:8px}
.top__bar{background:var(--chip)}
.top__barin{max-width:var(--wrap);margin:0 auto;padding:8px 28px;display:flex;gap:30px;justify-content:center}
.top__bar a{color:var(--body);font-size:14px;letter-spacing:.05em;padding:2px 0;border-bottom:2px solid transparent}
.top__bar a:hover{color:var(--main);border-bottom-color:var(--main)}

.hero{padding:60px 0 54px;background:radial-gradient(120% 90% at 80% 0%,#2E261C 0%,var(--bg) 62%)}
.hero__in{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.hero h1{font-size:40px;line-height:1.25;color:var(--ink);margin-bottom:18px}
.hero__lead{font-size:16px;margin-bottom:26px;max-width:33em}
.hero__cta{display:flex;gap:12px;margin-bottom:26px}
.hero__meta{display:flex;gap:34px;list-style:none}
.hero__meta b{display:block;font-size:20px;color:var(--main)}
.hero__meta span{font-size:12px;color:var(--mut)}
.hero__fig{background:var(--chip);border:1px solid var(--line);padding:14px;max-width:520px;justify-self:center}
.hero__fig img{width:100%;height:auto}
.hero__fig figcaption{font-size:12px;color:var(--mut);padding-top:8px;text-align:center}

.ticker{background:var(--main);color:var(--chip)}
.ticker__in{display:flex;flex-wrap:wrap;gap:12px 36px;justify-content:center;padding:11px 28px;font-size:13px;font-weight:700;letter-spacing:.06em}
.ticker__in span::before{content:"◆";margin-right:9px;font-size:10px}

.sec{padding:58px 0}
.sec--alt{background:var(--alt)}
.sechead{margin-bottom:32px;text-align:center}
.sechead__kick{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.28em;color:var(--rose);border-top:1px solid var(--rose);border-bottom:1px solid var(--rose);padding:2px 12px}
.sechead h2{font-size:27px;color:var(--ink);margin:12px 0 4px}
.sechead__sub{font-size:14px;color:var(--mut)}

.duo{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.duo__card{display:grid;grid-template-columns:86px 1fr;background:var(--card);border:1px solid var(--line);min-height:118px}
.duo__tag{background:var(--chip);border-right:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:var(--main);letter-spacing:.1em}
.duo__body{padding:16px 18px}
.duo__body h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.duo__body p{font-size:13.5px}

.guide{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.steps{list-style:none;counter-reset:gs}
.steps li{counter-increment:gs;position:relative;padding:0 0 18px 52px;font-size:15px}
.steps li::before{content:counter(gs,decimal-leading-zero);position:absolute;left:0;top:1px;font-size:15px;font-weight:800;color:var(--chip);background:var(--main);width:34px;height:26px;display:flex;align-items:center;justify-content:center}
.steps li::after{content:"";position:absolute;left:16px;top:32px;bottom:4px;width:1px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps b{color:var(--ink);margin-right:6px}
.guide__fig{background:var(--chip);border:1px solid var(--line);padding:14px;position:sticky;top:96px}
.guide__fig img{width:100%;height:auto}
.guide__fig figcaption{font-size:12px;color:var(--mut);padding-top:8px;text-align:center}

.cmp{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.cmp__fig{background:var(--chip);border:1px solid var(--line);padding:14px}
.cmp__fig img{width:100%;height:auto}
.cmp__fig figcaption{font-size:13px;color:var(--mut);text-align:center;padding-top:9px}
.cmp__fig:first-child figcaption{color:var(--main)}
.cmp__note{font-size:14px;color:var(--mut);max-width:820px;margin:18px auto 0;text-align:center}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quotes blockquote{background:var(--card);border-top:2px solid var(--rose);padding:20px 22px}
.quotes p{font-size:14px;margin-bottom:12px;color:var(--ink)}
.quotes cite{font-size:12px;color:var(--mut);font-style:normal}

.qa{max-width:var(--narrow);margin:0 auto}
.qa details{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--main);margin-bottom:10px;padding:14px 20px}
.qa summary{cursor:pointer;font-weight:700;color:var(--ink);font-size:15px;list-style:none;position:relative;padding-right:26px}
.qa summary::after{content:"+";position:absolute;right:0;top:0;color:var(--rose);font-weight:800}
.qa details[open] summary::after{content:"−"}
.qa details p{margin-top:10px;font-size:14px}

.cta{background:var(--card);border:1px solid var(--main);padding:34px 30px;margin-top:36px;text-align:center}
.cta h3{font-size:22px;color:var(--ink);margin-bottom:18px}
.cta__btns{display:flex;gap:14px;justify-content:center}

.foot{background:var(--alt);border-top:1px solid var(--line);text-align:center}
.foot__in{display:flex;flex-direction:column;align-items:center;gap:14px;padding:36px 28px 26px}
.foot__logo{width:30px;height:30px}
.foot__name{color:var(--ink);font-size:17px}
.foot__nav{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
.foot__nav a{color:var(--body);font-size:13px}
.foot__nav a:hover{color:var(--main)}
.foot__legal{border-top:1px solid var(--line);padding:16px 28px 22px}
.foot__legal p{font-size:12px;color:var(--mut);line-height:1.7}

.pagehead{background:var(--alt);border-bottom:1px solid var(--line);padding:44px 0 34px}
.pagehead h1{font-size:30px;color:var(--ink);margin-bottom:8px}
.pagehead p{font-size:14px;color:var(--mut);max-width:44em}
.crumb{font-size:12px;color:var(--mut);margin-bottom:14px}
.crumb a{color:var(--mut)}
.crumb a:hover{color:var(--main)}

.prose{max-width:var(--narrow);margin:0 auto}
.prose h2{font-size:24px;color:var(--ink);margin:44px 0 10px;position:relative;padding-bottom:8px}
.prose h2::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:3px;background:var(--main)}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:17px;color:var(--ink);margin:24px 0 8px}
.prose p{margin-bottom:14px;font-size:15px}
.prose ul,.prose ol{margin:0 0 14px 22px;font-size:15px}
.prose li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:14px}
.prose th{background:var(--chip);color:var(--main);text-align:left;padding:9px 12px;font-weight:700;border:1px solid var(--line)}
.prose td{border:1px solid var(--line);padding:8px 12px}
.prose tr:nth-child(even) td{background:var(--alt)}
.prose .note{background:var(--chip);border:1px solid var(--main);padding:14px 18px;font-size:14px;margin:16px 0;color:var(--ink)}

.shotband{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:18px 0 8px}
.shotband figure{background:var(--chip);border:1px solid var(--line);padding:14px}
.shotband img{width:100%;height:auto}
.shotband figcaption{font-size:13px;color:var(--mut);text-align:center;padding-top:8px}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:34px}
  .hero__fig{justify-self:stretch;max-width:none}
  .duo{grid-template-columns:1fr}
  .guide{grid-template-columns:1fr}
  .guide__fig{position:static}
  .quotes{grid-template-columns:1fr}
  .cmp{grid-template-columns:1fr}
}
@media (max-width:620px){
  .wrap{padding:0 18px}
  .top__in{padding:10px 18px;flex-wrap:wrap}
  .top__barin{padding:8px 18px;gap:18px;flex-wrap:wrap;justify-content:flex-start}
  .hero{padding:40px 0}
  .hero h1{font-size:29px}
  .hero__meta{gap:20px;flex-wrap:wrap}
  .hero__cta{flex-wrap:wrap}
  .cmp{grid-template-columns:1fr}
  .shotband{grid-template-columns:1fr}
  .cta__btns{flex-direction:column;align-items:center}
  .btn--top{padding:7px 12px;font-size:13px}
  .prose h2{font-size:21px}
}