*{box-sizing:border-box}
:root{
  --bg:#0b0c0e;--panel:#13161a;--panel2:#191d22;--text:#f4eddc;--muted:#bdb29c;
  --line:rgba(231,176,64,.22);--gold:#e7b040;--gold2:#f2cf76;--deep:#0f1114;
}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
body.drawer-lock{overflow:hidden}
a{color:inherit}
img{max-width:100%}
.topbar{position:sticky;top:0;z-index:9000;background:rgba(11,12,14,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{width:min(1180px,calc(100% - 32px));min-height:72px;margin:auto;display:grid;grid-template-columns:170px 1fr auto;gap:18px;align-items:center}
.brand,.drawer-brand,.footer-brand{text-decoration:none;display:inline-flex;align-items:center}
.brand img,.drawer-brand img,.footer-brand img{height:40px;width:auto;object-fit:contain;display:block;max-width:160px}
.logo-text{display:inline-flex;align-items:center;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;color:var(--gold);font-weight:800;letter-spacing:.05em;background:#111419}
.primary-nav{display:flex;justify-content:center;gap:3px}
.primary-nav a{padding:10px 14px;text-decoration:none;color:#ddd3bf;border-radius:9px;font-weight:700;white-space:nowrap}
.primary-nav a:hover,.primary-nav a.active{background:#20242a;color:var(--gold2)}
.action-pill{height:42px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:11px;background:linear-gradient(135deg,var(--gold2),var(--gold));color:#17120a;text-decoration:none;font-weight:800;box-shadow:0 10px 30px rgba(231,176,64,.18)}
.menu-open{display:none}
.topic-rail{background:#101216;border-top:1px solid rgba(255,255,255,.03)}
.topic-rail-inner{width:min(1180px,calc(100% - 32px));margin:auto;display:flex;gap:3px;overflow-x:auto}
.topic-rail a{flex:0 0 auto;padding:10px 11px;text-decoration:none;font-size:13px;color:#a99e8b}
.topic-rail a:hover{color:var(--gold)}

main{min-height:64vh}
.shell{width:min(1180px,calc(100% - 32px));margin:auto}
.read{width:min(800px,calc(100% - 32px));margin:auto}
.kicker{color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}
.hero-v2{padding:34px 0 22px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:24px;align-items:stretch}
.hero-copy{min-height:320px;padding:34px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#111317,#171b20);display:flex;flex-direction:column;justify-content:center}
.hero-copy h1,.page-title h1{margin:10px 0 14px;color:var(--gold2);font-size:clamp(30px,4.2vw,48px);line-height:1.12}
.hero-copy p,.page-title p{margin:0;color:var(--muted);font-size:17px;line-height:1.85}
.hero-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.hero-links a{padding:10px 12px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:#eadfc9;background:#0f1114}
.hero-links a:hover{border-color:var(--gold);color:var(--gold2)}
.page-title{padding:42px 0 18px;border-bottom:1px solid rgba(255,255,255,.04)}
.crumb{color:#887f70;font-size:14px;margin-bottom:12px}
.crumb a{text-decoration:none;color:#b7aa93}
.section{padding:40px 0}
.section.slim{padding:24px 0}
.section h2,.article h2{font-size:25px;color:var(--gold2);margin:0 0 14px}
.section h3,.article h3{font-size:19px;color:#eee3cf;margin:18px 0 8px}
.section p,.article p,.article li{font-size:16.5px;line-height:1.88;color:#efe6d4}
.article{padding:26px 0 50px}
.article p{margin:0 0 16px}
.visual{position:relative;overflow:hidden;background:#111419;border:1px solid rgba(255,255,255,.04);border-radius:16px;aspect-ratio:16/9}
.visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}
.visual-empty{position:absolute;inset:0;background:linear-gradient(135deg,#121418,#1c2025)}
.hero-visual{height:320px;aspect-ratio:auto}
.wide-visual{height:225px;aspect-ratio:auto}
.small-visual{height:170px;aspect-ratio:auto}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.nav-card{padding:20px;border:1px solid var(--line);border-radius:15px;background:var(--panel);text-decoration:none;min-height:132px;display:flex;flex-direction:column;justify-content:space-between}
.nav-card em{font-style:normal;color:#867c6b;font-size:12px;letter-spacing:.08em}
.nav-card strong{color:var(--gold2);font-size:20px}
.nav-card span{color:var(--muted);font-size:14px;line-height:1.7}
.nav-card:hover{background:#1b1f24;border-color:rgba(231,176,64,.5)}
.band{padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#d7cbb5;line-height:1.85}
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.panel{padding:22px;border:1px solid var(--line);border-radius:15px;background:var(--panel)}
.panel p:last-child{margin-bottom:0}
.stack{display:grid;gap:12px}
.row-link{display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:13px;background:#12151a;text-decoration:none}
.row-link b{width:34px;height:34px;border-radius:10px;background:#211d14;color:var(--gold2);display:flex;align-items:center;justify-content:center}
.row-link span{color:#d9cfbc}
.row-link small{color:#807767}
.steps{display:grid;gap:12px;counter-reset:num}
.step{position:relative;padding:17px 18px 17px 60px;border-left:2px solid var(--gold);background:#12151a;border-radius:0 12px 12px 0}
.step:before{counter-increment:num;content:counter(num);position:absolute;left:17px;top:16px;color:#1a150b;background:var(--gold);width:27px;height:27px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800}
.notice{padding:17px 18px;background:#17140e;border:1px solid rgba(231,176,64,.26);border-radius:14px;color:#d9cba9;line-height:1.8}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.tags a,.tags span{padding:8px 10px;border:1px solid var(--line);border-radius:999px;color:#bfb39c;text-decoration:none;font-size:13px}
.index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.index-item{display:flex;justify-content:space-between;gap:20px;padding:16px 18px;border-bottom:1px solid var(--line);background:#101216;text-decoration:none}
.index-item strong{color:var(--gold2)}
.index-item span{color:#8f8574;font-size:13px}
.qa-list{display:grid;gap:12px}
.qa{padding:18px 20px;border:1px solid var(--line);background:#12151a;border-radius:14px}
.qa h2{font-size:18px;margin-bottom:8px}
.related{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.related b{color:var(--gold)}
.related a{color:#d8ccb5;text-decoration:none}
.related a:hover{color:var(--gold2)}

.site-footer{margin-top:30px;border-top:1px solid var(--line);background:#08090b}
.footer-top{width:min(1180px,calc(100% - 32px));margin:auto;padding:34px 0;display:grid;grid-template-columns:1.1fr 1.9fr;gap:36px}
.footer-intro p{max-width:420px;color:#978d7b;line-height:1.75;font-size:14px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.footer-links div{display:grid;gap:8px;align-content:start}
.footer-links b{color:var(--gold2)}
.footer-links a{font-size:14px;color:#b9ae99;text-decoration:none}
.footer-note{border-top:1px solid rgba(231,176,64,.12);width:min(1180px,calc(100% - 32px));margin:auto;padding:15px 0 24px;display:flex;justify-content:space-between;gap:24px;color:#7d7568;font-size:13px;line-height:1.6}

.drawer,.drawer-shade{display:none}
.mobile-dock{display:none}

@media(max-width:980px){
  .topbar-inner{min-height:64px;grid-template-columns:1fr auto 1fr}
  .primary-nav,.topic-rail{display:none}
  .menu-open{display:inline-flex;justify-self:start;background:#12151a;color:var(--gold);border:1px solid var(--line);border-radius:10px;padding:9px 11px;font-weight:700}
  .brand{justify-self:center}
  .brand img{height:34px;max-width:128px}
  .action-pill{justify-self:end;height:39px;padding:0 12px}
  .hero-grid,.split{grid-template-columns:1fr}
  .hero-copy{min-height:0}
  .hero-visual{height:220px}
  .footer-top{grid-template-columns:1fr}
  .drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,324px);z-index:12000;background:#101216;transform:translateX(-105%);transition:transform .2s ease;padding:16px;overflow-y:auto}
  .drawer.open{transform:translateX(0)}
  .drawer-shade{display:none;position:fixed;inset:0;z-index:11000;background:rgba(0,0,0,.62);opacity:0;pointer-events:none}
  .drawer-shade.show{display:block;opacity:1;pointer-events:auto}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
  .menu-close{background:transparent;color:var(--gold);border:1px solid var(--line);border-radius:9px;padding:8px 10px}
  .drawer-block{display:grid;gap:2px;padding:14px 0;border-bottom:1px solid rgba(231,176,64,.1)}
  .drawer-block b{color:var(--gold2);font-size:13px;margin-bottom:5px}
  .drawer-block a{padding:9px 1px;text-decoration:none;color:#e4d9c4}
  .mobile-dock{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:8000;grid-template-columns:repeat(4,1fr);height:58px;background:#0d0f12;border-top:1px solid var(--gold)}
  .mobile-dock a{display:flex;align-items:center;justify-content:center;text-decoration:none;color:#d9cfbb;font-size:14px}
  main{padding-bottom:58px}
  .footer-note{padding-bottom:78px}
}
@media(max-width:650px){
  .shell,.read{width:min(100% - 24px,1180px)}
  .hero-v2{padding:24px 0 16px}
  .hero-copy{padding:24px}
  .hero-copy h1,.page-title h1{font-size:clamp(27px,8vw,34px)}
  .hero-visual{height:145px}
  .page-title{padding:28px 0 14px}
  .section{padding:28px 0}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .nav-card{min-height:124px;padding:15px}
  .nav-card strong{font-size:17px}
  .wide-visual{height:195px}
  .small-visual{height:150px}
  .index-grid{grid-template-columns:1fr}
  .footer-links{grid-template-columns:1fr 1fr}
  .footer-note{display:grid}
}