:root{
  --qing:#7ec8d8; --tianqing:#4aa8c9; --hua:#2e6fd0; --yao:#ff9042; --hong:#ff5a2b;
  --ink:#0a0e16; --paper:rgba(16,22,34,.92);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{width:100%;height:100%;overflow:hidden;background:#04060c;font-family:"Songti SC","Noto Serif SC","STSong",serif;color:#dfe8f2}
#canvas{position:fixed;inset:0;display:block;cursor:grab}
#canvas:active{cursor:grabbing}

#topbar{position:fixed;top:0;left:0;right:0;padding:14px 16px 30px;text-align:center;pointer-events:none;
  background:linear-gradient(#04060cdd,transparent);z-index:5}
#topbar .t1{font-size:13px;letter-spacing:.35em;color:#9fb8c9;margin-bottom:4px}
#topbar .num{font-size:30px;font-weight:700;color:#eaf6ff;letter-spacing:.05em;font-variant-numeric:tabular-nums;
  text-shadow:0 0 18px rgba(110,190,230,.55)}
#topbar .t2{font-size:12px;color:#7d94a8;margin-top:3px;letter-spacing:.2em}

#cta{position:fixed;left:50%;transform:translateX(-50%);bottom:26px;z-index:6;
  padding:13px 34px;border-radius:40px;border:1px solid rgba(140,210,235,.45);
  background:linear-gradient(135deg,rgba(30,80,120,.75),rgba(20,40,80,.75));
  color:#eaf6ff;font-size:16px;letter-spacing:.15em;cursor:pointer;backdrop-filter:blur(6px);
  box-shadow:0 0 24px rgba(80,170,220,.35);font-family:inherit}
#cta:active{transform:translateX(-50%) scale(.96)}

#rankBtn{position:fixed;right:12px;top:96px;z-index:6;font-size:12px;color:#bfe0ee;
  border:1px solid rgba(140,210,235,.35);background:rgba(10,18,30,.7);border-radius:8px;
  padding:7px 10px;cursor:pointer;letter-spacing:.15em;font-family:inherit}
#rank{position:fixed;right:12px;top:136px;width:230px;max-height:60vh;overflow:auto;z-index:6;
  background:var(--paper);border:1px solid rgba(140,210,235,.25);border-radius:12px;
  padding:12px;display:none;backdrop-filter:blur(8px)}
#rank h3{font-size:13px;color:#bfe0ee;letter-spacing:.2em;margin-bottom:10px;font-weight:600}
.rrow{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:12px}
.rrow .idx{width:16px;color:#8fa8ba;font-style:italic}
.rrow .city{width:64px;color:#e6f1f8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rrow .bar{flex:1;height:6px;border-radius:3px;background:rgba(255,255,255,.07);overflow:hidden}
.rrow .bar i{display:block;height:100%;border-radius:3px}
.rrow .n{width:52px;text-align:right;color:#9fc4d6;font-variant-numeric:tabular-nums}

#tip{position:fixed;z-index:7;display:none;min-width:170px;max-width:230px;
  background:var(--paper);border:1px solid rgba(140,210,235,.35);border-radius:12px;
  padding:12px 14px;pointer-events:none;backdrop-filter:blur(8px)}
#tip .c{font-size:15px;color:#eaf6ff;margin-bottom:2px}
#tip .k{font-size:12px;color:#8fb4c8;margin-bottom:6px}
#tip .s{font-size:12px;color:#cfe4ef;border-top:1px dashed rgba(140,210,235,.25);padding-top:6px;line-height:1.5}

#intro{position:fixed;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at 50% 60%,#0a1626 0%,#04060c 70%);transition:opacity 1s}
#intro.hide{opacity:0;pointer-events:none}
#intro .seal{width:64px;height:64px;border:2px solid var(--yao);border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:var(--yao);font-size:26px;margin-bottom:26px;writing-mode:vertical-rl;font-weight:700}
#intro h1{font-size:26px;letter-spacing:.18em;color:#eaf6ff;margin-bottom:12px;text-align:center;line-height:1.6;font-weight:700}
#intro p{font-size:13px;color:#8fb4c8;letter-spacing:.25em;margin-bottom:40px}
#intro button{padding:12px 46px;border-radius:40px;border:1px solid rgba(140,210,235,.5);background:transparent;
  color:#cfeaf7;font-size:15px;letter-spacing:.4em;cursor:pointer;font-family:inherit;text-indent:.4em}
#intro .foot{position:absolute;bottom:18px;font-size:10px;color:#3d4f5f;letter-spacing:.1em}

.modal{position:fixed;inset:0;z-index:30;background:rgba(2,6,12,.82);display:none;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal.show{display:flex}
.sheet{width:min(88vw,360px);background:linear-gradient(160deg,#101a2b,#0a111d);border:1px solid rgba(140,210,235,.3);
  border-radius:18px;padding:22px;max-height:86vh;overflow:auto}
.sheet h2{font-size:17px;color:#eaf6ff;letter-spacing:.15em;margin-bottom:14px;text-align:center}
.sheet .hint{font-size:12px;color:#8fb4c8;text-align:center;margin-bottom:14px;line-height:1.7}
.drop{border:1.5px dashed rgba(140,210,235,.4);border-radius:12px;height:150px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:8px;color:#9fc4d6;font-size:13px;cursor:pointer;overflow:hidden;position:relative}
.drop img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.drop .ph{font-size:34px}
.field{margin-top:14px}
.field label{font-size:12px;color:#8fb4c8;letter-spacing:.1em;display:block;margin-bottom:6px}
.field select{width:100%;padding:10px;border-radius:10px;background:#0d1626;color:#dfe8f2;border:1px solid rgba(140,210,235,.3);font-size:14px;font-family:inherit}
#geoHint{font-size:11px;color:#6d8fa5;margin-top:6px;min-height:14px}
.btnrow{display:flex;gap:10px;margin-top:20px}
.btnrow button{flex:1;padding:12px 0;border-radius:12px;font-size:14px;letter-spacing:.2em;cursor:pointer;font-family:inherit}
.btnrow button:disabled{opacity:.5}
.b-ghost{background:transparent;border:1px solid rgba(140,210,235,.35);color:#9fc4d6}
.b-main{background:linear-gradient(135deg,#1c5a8a,#153a66);border:1px solid rgba(140,210,235,.5);color:#eaf6ff;box-shadow:0 0 18px rgba(80,170,220,.3)}
#posterWrap{text-align:center}
#posterImg{width:100%;border-radius:12px;border:1px solid rgba(140,210,235,.3);margin-bottom:14px}

#hintDrag{position:fixed;bottom:88px;left:50%;transform:translateX(-50%);z-index:5;font-size:11px;
  color:#6d8699;letter-spacing:.25em;pointer-events:none;transition:opacity .8s}
#wm{position:fixed;left:12px;bottom:10px;font-size:10px;color:#3d4f5f;z-index:5;letter-spacing:.1em}

#toast{position:fixed;left:50%;bottom:120px;transform:translateX(-50%) translateY(20px);z-index:40;
  background:rgba(16,26,43,.95);border:1px solid rgba(140,210,235,.4);border-radius:10px;
  padding:10px 18px;font-size:13px;color:#eaf6ff;opacity:0;pointer-events:none;transition:all .3s}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:480px){ #topbar .num{font-size:25px} #rank{width:200px} }