:root{
  --bg:#14110d; --bg2:#1c1812; --card:#1b1712; --line:rgba(220,185,120,.22);
  --gold:#f3dfae; --gold2:#dcb978; --gold3:#a8803f; --text:#eadfc8; --mute:#a99d86;
  --sans:"Microsoft YaHei","微软雅黑","PingFang SC","苹方-简","Hiragino Sans GB","Noto Sans CJK SC","Noto Sans SC","WenQuanYi Micro Hei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Source Han Serif SC","Noto Serif CJK SC","Songti SC","STSong","SimSun","Noto Serif SC",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.7;min-height:100vh;position:relative;overflow-x:hidden}
.glow{position:absolute;inset:0 0 auto 0;height:900px;pointer-events:none;
  background:radial-gradient(60% 55% at 50% 22%,rgba(220,185,120,.16),rgba(20,17,13,0) 70%),
             radial-gradient(40% 30% at 85% 5%,rgba(243,223,174,.06),rgba(20,17,13,0) 70%)}
.wrap{width:min(1040px,100% - 48px);margin-inline:auto;position:relative}
.top{position:relative;z-index:2;padding:18px 0}
.top-in{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--gold);font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.12em}
.brand img{display:block}
.link-btn{background:none;border:1px solid var(--line);color:var(--gold2);font:inherit;font-size:14px;padding:6px 18px;border-radius:999px;cursor:pointer;transition:.2s}
.link-btn:hover{border-color:var(--gold2);color:var(--gold);background:rgba(220,185,120,.08)}

.hero{text-align:center;padding:36px 0 56px;position:relative;z-index:1}
.hero-logo{display:block;margin:0 auto 6px;width:200px;height:200px;filter:drop-shadow(0 10px 40px rgba(220,185,120,.18))}
h1{font-family:var(--serif);font-weight:700;font-size:56px;letter-spacing:.3em;text-indent:.3em;line-height:1.2;
  background:linear-gradient(180deg,#fbeec8 0%,#f3dfae 45%,#c9a35f 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.slogan{margin-top:14px;font-size:22px;color:var(--text);letter-spacing:.06em}
.sub{margin-top:6px;color:var(--mute);font-size:15px}
.mobile-tip{display:none}

.dl{margin:40px auto 0;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:flex;align-items:center;gap:14px;min-width:268px;padding:16px 28px;border-radius:16px;text-decoration:none;text-align:left;transition:.2s;border:1px solid transparent}
.btn svg{width:30px;height:30px;flex:none}
.btn .t{display:flex;flex-direction:column;line-height:1.35}
.btn b{font-size:19px;font-weight:700;letter-spacing:.04em}
.btn small{font-size:13px;opacity:.85}
.btn-main{background:linear-gradient(135deg,#f6e6bb 0%,#dcb978 55%,#c49a52 100%);color:#2a2012;box-shadow:0 10px 30px rgba(220,185,120,.22),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(220,185,120,.34),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-main:active{transform:translateY(0)}
.btn-off{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--mute);cursor:not-allowed;user-select:none}
.btn-off small{color:var(--gold3);opacity:1}
.btn.is-hidden{display:none}

.facts{list-style:none;margin:30px auto 0;display:flex;justify-content:center;gap:0;flex-wrap:wrap}
.facts li{padding:2px 28px;display:flex;flex-direction:column;align-items:center}
.facts li+li{border-left:1px solid var(--line)}
.facts span{font-size:13px;color:var(--mute)}
.facts b{font-size:18px;color:var(--gold);font-weight:600;letter-spacing:.03em;font-variant-numeric:tabular-nums}

.block{padding:40px 0;position:relative;z-index:1}
h2{font-family:var(--serif);font-size:28px;color:var(--gold);letter-spacing:.14em;margin-bottom:24px;display:flex;align-items:center;gap:14px}
h2::after{content:"";height:1px;flex:1;background:linear-gradient(90deg,var(--line),transparent)}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps li{background:linear-gradient(180deg,var(--card),#17140f);border:1px solid var(--line);border-radius:18px;padding:26px 24px;position:relative}
.steps i{font-style:normal;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--gold2);color:var(--gold);font-family:var(--serif);font-size:18px;font-weight:700;margin-bottom:14px;background:rgba(220,185,120,.08)}
.steps h3{font-size:19px;color:var(--gold);margin-bottom:6px;letter-spacing:.06em}
.steps p{color:var(--text)}
.steps .note{margin-top:12px;padding:10px 12px;border-radius:10px;background:rgba(220,185,120,.07);border-left:2px solid var(--gold2);font-size:14px;color:#d8cbb0;line-height:1.65}

.req{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}
.req li{position:relative;padding-left:26px}
.req li::before{content:"";position:absolute;left:3px;top:.62em;width:8px;height:8px;transform:rotate(45deg);background:linear-gradient(135deg,var(--gold),var(--gold3))}

.help-in{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:28px 32px;border-radius:20px;border:1px solid var(--line);background:radial-gradient(80% 160% at 0% 0%,rgba(220,185,120,.10),rgba(27,23,18,0) 70%),var(--card)}
.help-in h2{font-size:22px;margin-bottom:4px;letter-spacing:.08em}
.help-in h2::after{display:none}
.help-in p{color:var(--mute)}
.btn-ghost{background:linear-gradient(135deg,#f6e6bb,#dcb978);color:#2a2012;border:0;font:inherit;font-weight:700;letter-spacing:.06em;padding:11px 30px;border-radius:999px;cursor:pointer;transition:.2s}
.btn-ghost:hover{filter:brightness(1.07);transform:translateY(-1px)}

.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:30px 0 44px;color:#7d735f;font-size:13px;border-top:1px solid rgba(220,185,120,.1);margin-top:24px;position:relative;z-index:1}

.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px}
.modal-bg{position:absolute;inset:0;background:rgba(8,6,4,.72);backdrop-filter:blur(4px)}
.modal-card{position:relative;width:min(380px,100%);background:#1c1812;border:1px solid var(--gold3);border-radius:20px;padding:30px 28px 26px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.modal-card h3{font-family:var(--serif);font-size:22px;color:var(--gold);letter-spacing:.12em;margin-bottom:12px}
.modal-card p{margin-bottom:22px;color:var(--text)}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

@media (max-width:820px){
  .steps{grid-template-columns:1fr}
  .req{grid-template-columns:1fr}
}
@media (max-width:720px){
  body{font-size:15.5px}
  .wrap{width:calc(100% - 36px)}
  .hero{padding:12px 0 36px}
  .hero-logo{width:150px;height:150px}
  h1{font-size:44px}
  .slogan{font-size:18px}
  .mobile-tip{display:block;text-wrap:balance;margin:22px auto 0;max-width:340px;padding:10px 14px;border-radius:12px;border:1px solid var(--gold3);background:rgba(220,185,120,.09);color:var(--gold);font-size:14.5px;line-height:1.6}
  .dl{margin-top:22px;flex-direction:column;align-items:stretch}
  .btn{min-width:0;padding:14px 22px}
  .facts{display:grid;grid-template-columns:repeat(3,1fr);margin-top:26px}
  .facts li{padding:2px 6px}
  .facts b{font-size:15px}
  h2{font-size:24px}
  .help-in{padding:22px 20px;flex-direction:column;align-items:flex-start}
  .help-in .btn-ghost{width:100%}
  .foot{flex-direction:column}
}