:root{
  --ink:#0A0F1A;--panel:#101725;--panel-2:#0D1420;--white:#F2EDE3;
  --gold:#C8A356;--gold-dim:#8f7440;--mist:#8B99AE;--line:rgba(200,163,86,.18);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono","SF Mono","Cascadia Mono",Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{background:var(--ink);color:var(--white);font-family:var(--sans);font-weight:300;line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:var(--ink)}
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:20px 48px;background:rgba(10,15,26,.95);border-bottom:1px solid var(--line)}
.logo{font-family:var(--serif);font-weight:900;font-size:22px;letter-spacing:.35em}
.logo em{font-style:normal;color:var(--gold)}
.nav-links{display:flex;gap:36px;font-size:14px;letter-spacing:.12em;color:var(--mist)}
.nav-links a:hover{color:var(--white)}
.nav-links a.cur{color:var(--gold)}
.nav-cta{font-size:13px;letter-spacing:.14em;color:var(--gold);border:1px solid var(--gold-dim);padding:9px 22px;transition:all .25s}
.nav-cta:hover{background:var(--gold);color:var(--ink)}
.hero{padding:180px 48px 80px;max-width:1000px;margin:0 auto;position:relative;text-align:center}
.hero .beam{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 80% 70% at 50% -20%,rgba(200,163,86,.14),transparent 60%)}
.sec-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.32em;color:var(--gold);margin-bottom:22px;position:relative}
.hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(32px,4.6vw,56px);letter-spacing:.06em;line-height:1.45;position:relative}
.mobile-break{display:none}
.hero .letters{display:flex;justify-content:center;gap:4vw;margin:60px 0 10px;position:relative}
.hero .letters span{font-family:var(--serif);font-weight:900;font-size:clamp(46px,7vw,92px);color:transparent;-webkit-text-stroke:1.5px var(--gold-dim);transition:all .4s}
.hero .letters span:hover{color:var(--gold);-webkit-text-stroke:1.5px var(--gold);text-shadow:0 0 36px rgba(200,163,86,.4)}
.wrap{max-width:820px;margin:0 auto;padding:0 48px 40px}
.lede{font-size:17px;color:var(--white);line-height:2}
.lede em{font-style:normal;color:var(--gold)}
p.body{color:var(--mist);font-size:15px;margin-top:22px}
.pull{margin:56px 0;padding:36px 40px;border-left:2px solid var(--gold);background:var(--panel);
  font-family:var(--serif);font-size:20px;font-weight:600;letter-spacing:.05em;line-height:1.9}
.pull small{display:block;margin-top:14px;font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--mist);font-weight:400}
h2.sec{font-family:var(--serif);font-size:30px;font-weight:700;letter-spacing:.08em;margin:90px 0 30px;line-height:1.5}
.core{margin:70px 0;padding-top:50px;border-top:1px solid var(--line)}
.core .head{display:flex;align-items:center;gap:30px;margin-bottom:26px}
.core .letter{font-family:var(--serif);font-weight:900;font-size:88px;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--gold)}
.core .tit .no{font-family:var(--mono);font-size:11px;letter-spacing:.26em;color:var(--mist)}
.core .tit h3{font-family:var(--serif);font-size:28px;font-weight:700;letter-spacing:.1em;margin:6px 0 2px}
.core .tit .en{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--gold)}
.core .q{font-family:var(--serif);font-size:17.5px;font-weight:600;color:var(--white);margin:24px 0 14px;letter-spacing:.04em}
.core p{color:var(--mist);font-size:15px}
.up{margin:36px 0;padding:30px 34px;background:var(--panel);border:1px solid var(--line)}
.up .no{font-family:var(--mono);font-size:11px;letter-spacing:.24em;color:var(--gold)}
.up h4{font-family:var(--serif);font-size:20px;font-weight:700;margin:10px 0 12px;letter-spacing:.06em}
.up p{color:var(--mist);font-size:14.5px}
.cta-strip{border-top:1px solid var(--line);text-align:center;padding:100px 48px;position:relative;overflow:hidden;margin-top:80px}
.cta-strip .beam2{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 60% 70% at 50% 120%,rgba(200,163,86,.12),transparent 65%)}
.cta-strip h2{font-family:var(--serif);font-weight:900;font-size:clamp(24px,3.2vw,40px);letter-spacing:.08em;position:relative;line-height:1.6}
.btn{display:inline-block;font-size:14px;letter-spacing:.18em;padding:15px 34px;border:1px solid var(--gold);background:var(--gold);color:var(--ink);font-weight:500;margin-top:38px;transition:all .25s;position:relative}
.btn:hover{background:var(--white);border-color:var(--white)}
footer{border-top:1px solid var(--line);padding:52px 48px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;color:var(--mist);font-size:12.5px;letter-spacing:.1em}
footer .f-links{display:flex;gap:28px}
footer a:hover{color:var(--gold)}
@media (max-width:720px){
  .nav{padding:16px 24px}.nav-links{display:none}
  .hero{padding:140px 24px 60px}.wrap{padding:0 24px 40px}
  .hero h1{font-size:29px;letter-spacing:.02em;line-height:1.55}
  .mobile-break{display:inline}
  .core .head{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ---------- 悬浮联系件 ---------- */
.fc{position:fixed;right:22px;bottom:96px;z-index:60;display:flex;flex-direction:column;gap:10px}
.fc a{display:flex;align-items:center;gap:0;background:rgba(16,23,37,.96);border:1px solid var(--gold-dim);
  color:var(--gold);height:46px;width:46px;justify-content:center;overflow:hidden;white-space:nowrap;
  transition:width .28s ease,background .2s;cursor:pointer;backdrop-filter:blur(4px)}
.fc a svg{flex:0 0 46px;width:46px;height:18px}
.fc a .v{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--white);padding-right:16px;opacity:0;transition:opacity .2s .05s}
.fc a:hover{width:auto;min-width:190px;background:rgba(16,23,37,1);border-color:var(--gold)}
.fc a:hover .v{opacity:1}
.fc-toast{position:fixed;right:22px;bottom:44px;z-index:61;background:var(--gold);color:var(--ink);
  font-size:12.5px;letter-spacing:.08em;padding:9px 18px;opacity:0;transform:translateY(6px);
  transition:all .3s;pointer-events:none;font-weight:500}
.fc-toast.show{opacity:1;transform:none}
.fc-bar{display:none}
@media (max-width:720px){
  .fc{display:none}
  .fc-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;border-top:1px solid var(--gold-dim);background:rgba(10,15,26,.97);backdrop-filter:blur(6px)}
  .fc-bar a{flex:1;text-align:center;padding:13px 0;font-size:13px;letter-spacing:.1em;color:var(--gold);border-right:1px solid var(--line)}
  .fc-bar a:last-child{border-right:none}
  body{padding-bottom:48px}
  .fc-toast{right:50%;transform:translate(50%,6px);bottom:64px}
  .fc-toast.show{transform:translate(50%,0)}
}
/* ---------- 新页脚 ---------- */
footer{display:block;padding:0}
.foot-grid{max-width:1280px;margin:0 auto;padding:56px 48px 40px;display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap}
.foot-contact .f-label{font-family:var(--mono);font-size:11px;letter-spacing:.3em;color:var(--gold);margin-bottom:20px}
.foot-contact a{display:flex;align-items:baseline;gap:14px;margin-bottom:12px;color:var(--mist);font-size:14px;letter-spacing:.06em;transition:color .2s;cursor:pointer}
.foot-contact a b{font-family:var(--mono);font-size:15px;color:var(--white);font-weight:500;letter-spacing:.04em}
.foot-contact a:hover b{color:var(--gold)}
.foot-legal{border-top:1px solid var(--line);max-width:1280px;margin:0 auto;padding:24px 48px 30px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;color:var(--mist);font-size:12px;letter-spacing:.08em}
.foot-legal .f-links{display:flex;gap:24px}
.foot-legal a:hover{color:var(--gold)}
@media (max-width:720px){
  .foot-grid{padding:44px 24px 30px;flex-direction:column}
    .foot-legal{padding:20px 24px 26px}
}


/* ---------- 关注我们：链接卡+视频号码 ---------- */
.foot-follow{display:flex;gap:30px;align-items:flex-start}
.follow-links{display:flex;flex-direction:column;gap:12px}
.follow-links .f-label,.follow-qr .f-label{font-family:var(--mono);font-size:11px;letter-spacing:.3em;color:var(--gold);margin-bottom:8px}
.follow-card{display:flex;align-items:center;justify-content:space-between;gap:22px;border:1px solid var(--line);
  padding:13px 20px;min-width:196px;font-size:13.5px;letter-spacing:.1em;color:var(--white);transition:all .2s}
.follow-card .ar{font-family:var(--mono);font-size:13px;color:var(--gold-dim);transition:transform .2s}
.follow-card:hover{border-color:var(--gold);color:var(--gold)}
.follow-card:hover .ar{color:var(--gold);transform:translate(2px,-2px)}
.follow-qr{text-align:center}
.follow-qr img{width:96px;height:96px;display:block;border:1px solid var(--line);padding:5px;background:#fff;margin:0 auto}
.follow-qr span{display:block;margin-top:9px;font-size:11.5px;letter-spacing:.12em;color:var(--mist)}
@media (max-width:720px){.foot-follow{flex-direction:column;gap:24px}}

/* Keyboard accessibility */
a:focus-visible,button:focus-visible,[role="button"]:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

@media (max-width:360px){.hero h1{font-size:26px}}