*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#050510;--card:rgba(20,20,40,.72);--line:rgba(255,255,255,.09);--txt:#eef;--mut:#9aa0c3;--acc:#7c5cff;--acc2:#00e5ff;--gold:#ffd166}
html,body{background:var(--bg);color:var(--txt);font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;min-height:100vh;overflow-x:clip}
#bgstars{position:fixed;inset:0;z-index:0;pointer-events:none}
header.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:18px;padding:12px 22px;background:rgba(5,5,16,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{font-size:20px;font-weight:800;cursor:pointer;white-space:nowrap}
.brand-sub{font-size:12px;font-weight:400;color:var(--mut);border:1px solid var(--line);border-radius:20px;padding:2px 10px;margin-left:6px}
nav{display:flex;gap:6px;flex:1;flex-wrap:wrap}
nav button{background:none;border:none;color:var(--mut);font-size:15px;padding:8px 14px;border-radius:10px;cursor:pointer}
nav button.on,nav button:hover{color:#fff;background:rgba(124,92,255,.18)}
.userbox{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:14px}
.avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;background:#222;border:1px solid var(--line)}
.avatar.lg{width:72px;height:72px}
main{position:relative;z-index:1;max-width:1060px;margin:0 auto;padding:26px 18px 60px}
.hero{text-align:center;padding:34px 10px 22px}
.hero.small{padding:20px 10px 14px}
.hero h1{font-size:clamp(30px,5vw,52px);font-weight:900;letter-spacing:1px}
.hero p{color:var(--mut);margin-top:10px;font-size:15px}
.grad{background:linear-gradient(90deg,var(--acc2),var(--acc),#ff5ca8);-webkit-background-clip:text;background-clip:text;color:transparent}
.tabs{display:flex;gap:8px;justify-content:center;margin:6px 0 18px;flex-wrap:wrap}
.tabs button{background:var(--card);border:1px solid var(--line);color:var(--mut);padding:8px 20px;border-radius:20px;cursor:pointer;font-size:14px}
.tabs button.on{color:#fff;border-color:var(--acc);background:rgba(124,92,255,.25);box-shadow:0 0 18px rgba(124,92,255,.35)}
.board-wrap{display:grid;grid-template-columns:1fr 300px;gap:16px}
@media(max-width:860px){.board-wrap{grid-template-columns:1fr}}
.board-fs{position:relative;width:100vw;margin-left:calc(50% - 50vw);margin-top:8px}
#meteorCanvas{width:100%;height:74vh;min-height:520px;display:block;background:#040110}
.ranklist-float{position:absolute;bottom:18px;right:18px;width:292px;max-height:46%;background:rgba(10,8,28,.62);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
@media(max-width:760px){.ranklist-float{position:static;transform:none;width:auto;max-height:320px;margin:12px}}
.ranklist{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:10px;max-height:620px;overflow:auto}
.rank{display:flex;align-items:center;gap:10px;padding:9px 8px;border-bottom:1px solid var(--line);font-size:14px}
.rank:last-child{border-bottom:none}
.rank .no{width:26px;font-weight:800;color:var(--gold);text-align:center}
.rank .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank .cn{color:var(--gold);font-weight:700}
.rank .mut{font-size:12px;color:var(--mut)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:16px}
.card h3{margin-bottom:10px}
.center{text-align:center}
.muted{color:var(--mut)}.small{font-size:13px}
.row{display:flex;gap:10px;align-items:center}
input,textarea,select{width:100%;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:10px 12px;font-size:15px;margin:6px 0}
label{font-size:14px;color:var(--mut);display:block;margin:8px 0}
.btn{background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:10px 18px;font-size:15px;cursor:pointer;white-space:nowrap}
.btn:hover{background:rgba(255,255,255,.14)}
.btn.primary{background:linear-gradient(90deg,var(--acc),#a855f7);border:none;font-weight:700;box-shadow:0 4px 18px rgba(124,92,255,.4)}
.btn.sm{padding:5px 12px;font-size:13px}
.btn.sm.on{border-color:var(--acc);background:rgba(124,92,255,.32);color:#fff;box-shadow:0 0 10px rgba(124,92,255,.35)}
.btn.block{width:100%;margin-top:10px}
.msg{min-height:22px;font-size:14px;margin:8px 0;color:var(--gold)}
.addr{background:rgba(0,229,255,.08);border:1px dashed rgba(0,229,255,.4);padding:6px 10px;border-radius:8px;font-size:13px;word-break:break-all}
.codelist{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.codechip{background:rgba(0,229,255,.1);border:1px solid rgba(0,229,255,.3);border-radius:20px;padding:6px 14px;font-size:13px}
.codechip .t{color:var(--mut);font-size:11px;margin-left:6px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:760px){.grid2{grid-template-columns:1fr}}
.kv div{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line);font-size:14px}
.starmap-head{display:flex;align-items:center;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.starmap-head h2{font-size:22px}
#starmapCanvas{width:100%;border-radius:16px;border:1px solid var(--line);background:radial-gradient(1200px 600px at 50% 0%,#101028 0%,#050510 65%)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}
.modal-box{position:relative;background:#12122a;border:1px solid var(--line);border-radius:18px;padding:26px;width:360px;max-width:100%}
.modal-box h2{margin-bottom:12px;text-align:center}
.modal-x{position:absolute;top:10px;right:12px;background:none;border:none;color:var(--mut);font-size:18px;cursor:pointer}
a{color:var(--acc2)}
footer{position:relative;z-index:1;text-align:center;color:var(--mut);font-size:13px;padding:26px;border-top:1px solid var(--line)}
.meet{border:1px solid var(--line);border-radius:12px;padding:12px;margin-top:10px}
.meet .row{flex-wrap:wrap}
textarea.codes{height:90px;font-family:monospace}
table.mini{width:100%;font-size:13px;border-collapse:collapse}
table.mini td,table.mini th{padding:6px;border-bottom:1px solid var(--line);text-align:left}
.pill{font-size:11px;border:1px solid var(--line);border-radius:12px;padding:2px 8px;color:var(--mut)}