/* ROVER DApp · 祖母绿 + 金箔（配合狮徽 lion_b） */
:root{
  --bg0:#0B2F24;--bg1:#0E3A2C;--bg2:#082419;
  --panel:#114535;--panel2:#0F3D2F;
  --gold:#C9A862;--gold-hi:#E3CB8F;--gold-lo:#9C7F45;
  --ivory:#F4EEDF;--ivory2:rgba(244,238,223,.74);--mute:rgba(244,238,223,.52);
  --line:rgba(201,168,98,.38);--line2:rgba(201,168,98,.18);
  --ok:#9FD0A8;--no:#E59A86;
  --display:"Cinzel","Trajan Pro","Trajan","Optima","Noto Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --serif:"Cormorant Garamond","Garamond","Noto Serif SC","Songti SC","STSong","SimSun",Georgia,"Times New Roman",serif;
  --cn:"Noto Serif SC","Songti SC","STSong","SimSun","Source Han Serif SC",serif;
  --goldgrad:linear-gradient(135deg,#E3CB8F 0%,#C9A862 48%,#A88A4E 100%);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{margin:0;min-height:100%}
html{background:var(--bg0)}
input,select,button,textarea{font-variant-numeric:lining-nums}
body{
  color:var(--ivory);font-family:var(--serif);font-size:16px;line-height:1.7;font-variant-numeric:lining-nums;
  -webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom);
}
/* 细颗粒质感 */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.09;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
/* 背景渐变放在固定层（安卓 WebView 不支持 background-attachment:fixed） */
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(120% 70% at 50% 0%,#145140 0%,var(--bg1) 40%,var(--bg0) 72%,var(--bg2) 100%)}
header,main,footer{position:relative;z-index:1}
a{color:var(--gold-hi);text-decoration:none}
img{max-width:100%}
.wrap{max-width:1100px;margin:0 auto;padding:0 18px}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:20;background:rgba(9,38,29,.86);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line2)}
.bar{display:flex;align-items:center;justify-content:space-between;height:62px;gap:12px}
.brand{display:flex;align-items:center;min-width:0}
.brand img{height:40px;width:auto;display:block}
nav{border-top:1px solid var(--line2)}
nav .wrap{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
nav .wrap::-webkit-scrollbar{display:none}
nav button{background:none;border:0;padding:12px 13px 10px;font-family:var(--cn);font-size:14px;letter-spacing:.16em;color:var(--mute);cursor:pointer;white-space:nowrap;border-bottom:1px solid transparent;transition:color .2s}
nav button.on{color:var(--gold-hi);border-bottom-color:var(--gold)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;
  background:var(--goldgrad);color:#0B2F24;border:1px solid var(--gold);border-radius:2px;padding:11px 24px;
  font-family:var(--cn);font-size:14px;font-weight:600;letter-spacing:.24em;cursor:pointer;transition:.2s;
  box-shadow:0 6px 18px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.35)}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.42;cursor:not-allowed;filter:saturate(.6)}
.btn.ghost{background:transparent;color:var(--gold-hi);border-color:var(--line);box-shadow:none;font-weight:500}
.btn.ghost:hover{background:rgba(201,168,98,.1);border-color:var(--gold)}
.btn.gold{background:var(--goldgrad);color:#0B2F24}
.btn.sm{min-height:36px;padding:7px 14px;font-size:12.5px;letter-spacing:.14em}
.btn.wide{width:100%}
#connect{white-space:nowrap;flex-shrink:0}

/* ---------- typography ---------- */
.eyebrow{font-family:var(--display);font-size:11px;letter-spacing:.42em;color:var(--gold);text-transform:uppercase}
h1,h2,h3{font-weight:500;color:var(--ivory);margin:0}
h1{font-family:var(--display);line-height:1.25;margin:12px 0 8px}
h1 .en{display:block;font-size:40px;font-weight:500;letter-spacing:.2em;padding-left:.2em;background:var(--goldgrad);-webkit-background-clip:text;background-clip:text;color:transparent}
h1 .dot{display:none}
h1 .cn{display:block;font-family:var(--cn);font-size:23px;font-weight:600;letter-spacing:.16em;padding-left:.16em;margin-top:6px;color:var(--ivory)}
h2{font-family:var(--display);font-size:24px;letter-spacing:.1em;margin:0 0 6px}
h3{font-family:var(--cn);font-size:18px;font-weight:600;letter-spacing:.12em;margin:0 0 10px;color:var(--gold-hi)}
.lead{color:var(--ivory2);font-family:var(--cn);font-size:14.5px;line-height:1.95;max-width:600px;margin:0 auto}
.rule{display:flex;align-items:center;justify-content:center;gap:12px;margin:18px auto;color:var(--gold);font-family:var(--display);font-size:10px;letter-spacing:.4em}
.rule::before,.rule::after{content:"";width:54px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.rule::after{background:linear-gradient(90deg,var(--gold),transparent)}

/* ---------- sections ---------- */
section{display:none;padding:6px 0 76px}
section.on{display:block;animation:fade .45s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.sec-head{text-align:center;margin:34px 0 28px}
.sec-head p{color:var(--ivory2);font-family:var(--cn);font-size:14px;line-height:1.85;margin:10px auto 0;max-width:560px}
.panel{background:linear-gradient(160deg,var(--panel) 0%,var(--panel2) 100%);border:1px solid var(--line);border-radius:3px;
  box-shadow:0 18px 44px rgba(0,0,0,.32),inset 0 1px 0 rgba(227,203,143,.08);padding:24px}
.grid2{display:grid;grid-template-columns:1fr;gap:20px}

/* ---------- hero ---------- */
.hero{text-align:center;padding:26px 0 30px}
.seal{position:relative;width:min(210px,56vw);margin:0 auto 6px;aspect-ratio:1}
.seal::before{content:"";position:absolute;inset:-14%;border-radius:50%;background:radial-gradient(circle,rgba(227,203,143,.20) 0%,rgba(227,203,143,.06) 42%,transparent 70%)}
.seal img{position:relative;width:100%;height:100%;display:block;filter:drop-shadow(0 6px 18px rgba(0,0,0,.45))}
.tagline{font-family:var(--cn);font-size:14.5px;letter-spacing:.08em;color:var(--gold-hi);margin:2px 0 0}
.tagline b{font-family:var(--display);font-weight:500;letter-spacing:.06em}
.count{display:flex;justify-content:center;gap:8px;margin:20px 0 8px}
.count div{width:70px;padding:12px 4px 8px;border:1px solid var(--line);background:rgba(8,36,25,.55);border-radius:2px;position:relative}
.count div::after{content:"";position:absolute;inset:3px;border:1px solid var(--line2);pointer-events:none}
.count b{display:block;font-family:var(--display);font-weight:500;font-size:30px;line-height:1.05;color:var(--gold-hi)}
.count span{font-family:var(--cn);font-size:11px;letter-spacing:.3em;color:var(--mute)}
.when{font-family:var(--cn);font-size:12.5px;letter-spacing:.1em;color:var(--ivory2)}
.hero .cta{margin-top:22px}

/* ---------- mint ---------- */
.preview{display:flex;align-items:center;justify-content:center;min-height:360px;
  background:radial-gradient(70% 60% at 50% 45%,rgba(227,203,143,.10),transparent 70%),linear-gradient(160deg,var(--panel),var(--panel2))}
.preview img{width:min(260px,74%);filter:drop-shadow(0 22px 34px rgba(0,0,0,.5));transition:.6s}
.kv{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line2);font-size:14px}
.kv span{color:var(--ivory2);font-family:var(--cn);letter-spacing:.08em}
.kv b{font-family:var(--serif);font-weight:600;font-size:21px;color:var(--ivory)}
.progress{height:2px;background:var(--line2);margin:8px 0 4px;position:relative}
.progress i{position:absolute;left:0;top:0;bottom:0;background:var(--goldgrad);width:0;transition:width .8s}
label.f{display:block;font-family:var(--cn);font-size:11.5px;letter-spacing:.24em;color:var(--gold);margin:20px 0 8px}
input.in,select.in{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;padding:10px 2px;font-size:19px;font-family:var(--serif);outline:none;color:var(--ivory);border-radius:0;-webkit-appearance:none;appearance:none}
input.in:focus,select.in:focus{border-bottom-color:var(--gold-hi)}
input.in::placeholder{color:var(--mute)}
select.in{background:transparent url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' fill='none' stroke='%23C9A862' stroke-width='1.4'/></svg>") no-repeat right 4px center;padding-right:24px}
select.in option{background:var(--bg1);color:var(--ivory)}
.qty{display:flex;border:1px solid var(--line);border-radius:2px;overflow:hidden}
.qty button{flex:1;min-height:46px;background:transparent;border:0;border-right:1px solid var(--line);font-family:var(--display);font-size:18px;cursor:pointer;color:var(--ivory)}
.qty button:last-child{border-right:0}
.qty button.on{background:var(--goldgrad);color:#0B2F24}
.qty button:disabled{color:rgba(244,238,223,.22);cursor:not-allowed}
.hint{font-family:var(--cn);font-size:12.5px;color:var(--ivory2);line-height:1.85;margin-top:10px;min-height:20px}
.ok{color:var(--ok)}.no{color:var(--no)}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.c{background:linear-gradient(160deg,var(--panel),var(--panel2));border:1px solid var(--line2);border-radius:3px;box-shadow:0 10px 26px rgba(0,0,0,.28);padding:10px 10px 12px;position:relative;transition:.25s}
.c:hover{transform:translateY(-3px);border-color:var(--line)}
.c img{width:100%;display:block;aspect-ratio:400/560;background:transparent}
.c .t{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:2px 6px;margin-top:8px}
.c .t b{font-family:var(--display);font-weight:500;font-size:13px;letter-spacing:.04em;white-space:nowrap}
.c .t span{font-family:var(--cn);font-size:10.5px;letter-spacing:.14em;color:var(--mute);white-space:nowrap}
.c .t span.adv{color:var(--gold-hi)}
.c .p{font-family:var(--serif);font-weight:600;font-size:18px;margin:6px 0 4px;color:var(--gold-hi)}
.c .addr{font-size:11px}
.c .acts{display:flex;gap:6px;margin-top:8px}
.c .acts .btn{flex:1;padding-left:6px;padding-right:6px}
.c.sel{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,168,98,.22),0 10px 26px rgba(0,0,0,.28)}
.c .tick{position:absolute;top:16px;right:16px;width:24px;height:24px;border-radius:50%;border:1px solid var(--gold);background:rgba(8,36,25,.8);display:none;align-items:center;justify-content:center;color:var(--gold-hi);font-size:13px}
.selmode .c{cursor:pointer}
.selmode .c .tick{display:flex}
.c.sel .tick{background:var(--gold);color:#0B2F24}
.empty{text-align:center;color:var(--mute);font-family:var(--cn);padding:54px 0;font-size:14px;letter-spacing:.1em;grid-column:1/-1}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:18px}
.chips{display:flex;border:1px solid var(--line);border-radius:2px;overflow:hidden;max-width:100%}
.chips button{background:transparent;border:0;padding:9px 13px;font-family:var(--cn);font-size:12.5px;letter-spacing:.12em;cursor:pointer;color:var(--ivory2);white-space:nowrap}
.chips button.on{background:var(--goldgrad);color:#0B2F24}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.stats>div{background:linear-gradient(160deg,var(--panel),var(--panel2));padding:18px 14px;min-width:0}
.stats span{display:block;font-family:var(--cn);font-size:11.5px;letter-spacing:.16em;color:var(--gold)}
.stats b{display:block;font-family:var(--serif);font-weight:600;font-size:26px;margin-top:6px;color:var(--ivory);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stats em{font-style:normal;font-family:var(--cn);font-size:11.5px;color:var(--mute)}
.token{margin-top:24px}
.soon{display:inline-block;font-family:var(--cn);font-size:11.5px;letter-spacing:.24em;color:var(--gold-hi);border:1px solid var(--line);padding:6px 12px}

/* ---------- synth ---------- */
.synthbar{position:sticky;bottom:calc(12px + env(safe-area-inset-bottom));margin-top:22px;background:rgba(8,36,25,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--gold);color:var(--ivory);padding:12px 14px 12px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 18px 40px rgba(0,0,0,.45);font-family:var(--cn);font-size:14px;border-radius:3px}
.formula{display:flex;align-items:center;justify-content:center;gap:10px;margin:0 auto 26px;font-family:var(--display);font-size:20px;color:var(--gold)}
.formula img{width:54px;filter:drop-shadow(0 6px 12px rgba(0,0,0,.4))}
.formula .big{width:78px}

/* ---------- community ---------- */
.links{display:grid;grid-template-columns:1fr;gap:16px}
.links a{color:inherit}
.links .panel{text-align:center;transition:.25s}
.links .panel:hover{transform:translateY(-3px);border-color:var(--gold)}
.links .ico{font-family:var(--display);font-size:28px;color:var(--gold-hi)}
.links h3{color:var(--ivory)}

/* ---------- misc ---------- */
.addr{font-family:var(--cn);font-size:12px;letter-spacing:.04em;color:var(--ivory2)}
#addrs a{word-break:break-all}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(30px);background:rgba(8,36,25,.97);border:1px solid var(--gold);color:var(--ivory);padding:12px 20px;font-family:var(--cn);font-size:13.5px;letter-spacing:.04em;opacity:0;transition:.3s;z-index:60;max-width:92vw;text-align:center;pointer-events:none;box-shadow:0 16px 40px rgba(0,0,0,.5)}
.toast.on{opacity:1;transform:translateX(-50%)}
.modal{position:fixed;inset:0;background:rgba(3,16,11,.66);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal.on{display:flex}
.modal .panel{width:min(420px,100%)}
.modal .opt{display:flex;justify-content:space-between;align-items:center;width:100%;min-height:52px;padding:12px 4px;border:0;border-bottom:1px solid var(--line2);background:none;cursor:pointer;font-family:var(--cn);font-size:15px;color:var(--ivory)}
.modal .opt img{width:26px;height:26px}
footer{border-top:1px solid var(--line2);padding:34px 0 44px;text-align:center;color:var(--mute);font-family:var(--display);font-size:10.5px;letter-spacing:.3em}
footer img{width:64px;height:64px;display:block;margin:0 auto 12px;opacity:.95}
.foot-mark{font-family:var(--display);font-size:18px;letter-spacing:.5em;padding-left:.5em;color:var(--gold-hi);margin-bottom:8px}

/* ---------- ≥ 600px / 860px ---------- */
@media(min-width:600px){
  .cards{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px}
  .stats{grid-template-columns:repeat(4,minmax(0,1fr))}
  .links{grid-template-columns:repeat(3,1fr)}
  .count div{width:82px}.count b{font-size:36px}
}
@media(min-width:860px){
  .wrap{padding:0 28px}
  .bar{height:74px}.brand img{height:48px}
  nav .wrap{justify-content:center;gap:10px}
  nav button{padding:14px 16px 12px}
  .grid2{grid-template-columns:1fr 1fr;gap:26px}
  .panel{padding:32px}
  .hero{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);align-items:center;gap:64px;text-align:left;padding:56px 12px 56px}
  .seal{width:100%;max-width:400px;margin:0}
  .hero h1 .en,.hero h1 .cn{padding-left:0}
  .hero .rule{justify-content:flex-start;margin:20px 0}
  .hero .rule::before{display:none}
  .hero .lead{margin:0}
  .hero .count{justify-content:flex-start}
  h1 .en{font-size:56px}h1 .cn{font-size:30px}h2{font-size:30px}
  .tagline{font-size:17px}
  .preview{min-height:460px}
  .preview img{width:min(300px,76%)}
}
@media(max-width:360px){
  .count div{width:62px}.count b{font-size:26px}
  .brand img{height:34px}
  #connect{padding:6px 10px;letter-spacing:.08em}
}
#mint-panel{scroll-margin-top:118px}
.count div{text-align:center}