:root{--bg:#080b10;--sf:#0e1218;--bd:#1e2733;--ac:#00d4aa;--ach:#00e8bb;
--tx:#cdd6e8;--tm:#556070;--er:#ff5566;--r:10px;
--fn:'Outfit','PingFang SC','Microsoft YaHei',sans-serif;
--mono:'JetBrains Mono','Consolas',monospace}
*{box-sizing:border-box;margin:0;padding:0}
html{overscroll-behavior-x:none;overscroll-behavior-y:none}
body{background:var(--bg);color:var(--tx);font-family:var(--fn);min-height:100vh;
display:flex;align-items:center;justify-content:center;padding:20px;
background-image:
  linear-gradient(rgba(0,212,170,0.018) 1px,transparent 1px),
  linear-gradient(90deg,rgba(0,212,170,0.018) 1px,transparent 1px);
background-size:40px 40px;
overscroll-behavior-x:none;overscroll-behavior-y:none}
.card{background:var(--sf);border:1px solid var(--bd);border-radius:14px;
padding:40px 36px;width:100%;max-width:400px;
box-shadow:0 24px 60px rgba(0,0,0,.5);
animation:fadeIn .25s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.logo{text-align:center;margin-bottom:28px}
.icon{width:52px;height:52px;background:linear-gradient(135deg,#00d4aa,#4dffd4);
border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
font-size:24px;margin-bottom:10px;box-shadow:0 0 24px rgba(0,212,170,0.3)}
h1{font-size:20px;font-weight:700;font-family:var(--mono);color:var(--tx)}
.sub{color:var(--tm);font-size:13px;margin-top:4px}
.fg{margin-bottom:14px}
label{display:block;font-size:10px;color:var(--tm);margin-bottom:5px;
font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-family:var(--mono)}
input[type=text],input[type=password]{width:100%;background:var(--bg);
border:1px solid var(--bd);border-radius:8px;padding:10px 12px;color:var(--tx);
font-size:14px;font-family:var(--fn);outline:none;transition:border-color .2s,box-shadow .2s}
input:focus{border-color:var(--ac);box-shadow:0 0 0 3px rgba(0,212,170,.1)}
input::placeholder{color:var(--tm)}
.rm{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--tm);
cursor:pointer;margin-bottom:16px}
.rm input{width:auto;accent-color:var(--ac)}
.rm span{margin-left:auto;font-size:11px;font-family:var(--mono)}
.err{background:rgba(255,85,102,.08);border:1px solid rgba(255,85,102,.25);
border-radius:8px;padding:10px 13px;color:var(--er);font-size:13px;
margin-bottom:14px;display:flex;align-items:center;gap:7px}
.btn{width:100%;background:var(--ac);color:#000;border:none;border-radius:8px;
padding:12px;font-size:14px;font-weight:700;cursor:pointer;font-family:var(--fn);
transition:all .18s;letter-spacing:.01em}
.btn:hover{background:var(--ach);box-shadow:0 0 16px rgba(0,212,170,.3)}
.btn:active{transform:scale(.98)}
.rescue{margin-top:20px;padding:12px;background:rgba(255,204,68,.06);
border:1px solid rgba(255,204,68,.2);border-radius:8px;font-size:11px;color:#ffcc44}
.rescue code{display:block;margin-top:6px;font-family:var(--mono);font-size:11px;
background:var(--bg);padding:6px 8px;border-radius:4px;color:var(--tx)}