:root{color-scheme:dark;--bg: #05060a;--panel: rgba(14, 17, 24, .88);--panel-soft: rgba(10, 13, 18, .7);--text: #eef2f8;--muted: #9aa6b2;--accent: #d9a441;--accent-strong: #f2c96a;--border: rgba(255, 255, 255, .08);--shadow: 0 24px 60px rgba(0, 0, 0, .45)}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;padding:0;font-family:PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;background:radial-gradient(circle at 18% 22%,rgba(217,164,65,.14),transparent 42%),radial-gradient(circle at 82% 70%,rgba(64,78,104,.32),transparent 58%),radial-gradient(circle at 50% 120%,rgba(5,6,10,.9),transparent 60%),linear-gradient(140deg,#05060a,#0c111a);color:var(--text)}#root{min-height:100vh}.login-app{position:relative;min-height:100vh;overflow:hidden;display:flex;flex-direction:column}.gl-background{position:fixed;inset:0;z-index:0;pointer-events:none}.gl-background canvas{width:100%!important;height:100%!important}.gl-fallback{background:radial-gradient(circle at 20% 18%,rgba(217,164,65,.12),transparent 55%),radial-gradient(circle at 82% 72%,rgba(64,78,104,.18),transparent 60%);opacity:.75}.gl-fallback:after{content:none}.login-overlay{position:fixed;inset:0;z-index:1;background:radial-gradient(circle at 20% 20%,rgba(217,164,65,.12),transparent 45%),radial-gradient(circle at 80% 80%,rgba(37,50,72,.35),transparent 50%),linear-gradient(130deg,#06080c99,#040609bf);pointer-events:none}.login-header{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;padding:20px 32px;border-bottom:1px solid rgba(255,255,255,.05)}.login-brand{font-weight:700;font-size:1.1rem;letter-spacing:.08em}.login-tag{font-weight:600;color:var(--accent-strong);letter-spacing:.12em}.login-shell{position:relative;z-index:1;flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;align-items:center;max-width:1100px;margin:0 auto;padding:40px 24px 80px}.login-intro{display:grid;gap:16px}.login-intro h1{font-size:clamp(2.4rem,4vw,3.4rem);margin:0}.login-intro p{margin:0;color:var(--muted);font-size:1rem}.login-pill{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;border:1px solid rgba(217,164,65,.4);color:var(--accent-strong);font-size:.8rem;letter-spacing:.18em}.login-note{font-size:.85rem;color:var(--muted)}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:28px;display:grid;gap:18px}.login-card h2{margin:0;font-size:1.2rem}.login-card form{display:grid;gap:14px}label{display:grid;gap:8px;color:var(--muted);font-size:.9rem}input{background:var(--panel-soft);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:10px 12px;color:var(--text);font-size:.95rem}input:focus{outline:2px solid rgba(217,164,65,.35);border-color:#d9a44180}.login-message{color:#f59e0b;font-size:.85rem}.login-hint{color:var(--muted);font-size:.85rem}.login-button{border:none;border-radius:999px;padding:12px 16px;font-weight:600;font-size:.95rem;color:#1a1206;background:linear-gradient(135deg,#b9852f,#f2c96a);box-shadow:0 18px 36px #d9a44159;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.login-button:hover{transform:translateY(-1px);box-shadow:0 22px 42px #d9a44173}.login-button:disabled{opacity:.7;cursor:not-allowed}.login-effect-toggle{border:1px solid rgba(217,164,65,.35);background:#0a0d128c;color:var(--accent-strong);border-radius:999px;padding:8px 12px;font-weight:600;font-size:.85rem;cursor:pointer;transition:transform .2s ease,background .2s ease}.login-effect-toggle:hover{transform:translateY(-1px);background:#0a0d12b8}.login-fallback-note{position:fixed;right:24px;bottom:24px;z-index:2;font-size:.8rem;color:var(--muted);background:#0a0c12b3;border:1px solid rgba(255,255,255,.08);border-radius:999px;padding:6px 12px;pointer-events:none}@media(max-width:720px){.login-header{padding:16px 20px}.login-shell{padding:28px 20px 64px}}