.signin-body{margin:0;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background-image:radial-gradient(900px 520px at 50% -8%,rgba(45,212,191,.06),transparent 60%),radial-gradient(700px 700px at 50% 120%,rgba(255,255,255,.018),transparent 60%)}.signin .back{position:fixed;top:22px;left:24px;display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--axis);transition:color .15s}.signin .back:hover{color:var(--ink2)}.signin .card{width:400px;max-width:calc(100vw - 40px);background:linear-gradient(180deg,rgba(30,36,46,.55),var(--panel));border:1px solid var(--border);border-radius:16px;padding:40px 38px 30px;text-align:center;box-shadow:0 30px 70px -32px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.04)}.signin .brand{display:inline-flex;align-items:center;gap:10px}.signin .brand b{font-size:19px;font-weight:700;letter-spacing:-.015em}.signin .tagline{margin:14px 0 0;font-size:13.5px;color:var(--ink2)}.signin .tagline .mono{color:var(--accent)}.signin .lead{margin:30px 0 0;font-size:14px;color:var(--axis)}.signin .gbtn{margin:16px 0 0;width:100%;height:48px;display:inline-flex;align-items:center;justify-content:center;gap:11px;background:#fff;color:#1F2230;border:1px solid #fff;border-radius:10px;font-family:inherit;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s,transform .12s,box-shadow .15s}.signin .gbtn:hover{background:#F1F2F4;box-shadow:0 6px 18px -8px rgba(0,0,0,.6)}.signin .gbtn:active{transform:translateY(1px)}.signin .gbtn:disabled{cursor:default;transform:none;box-shadow:none}.signin .gbtn .gmark{width:19px;height:19px;flex:0 0 auto}.signin .spinner{width:18px;height:18px;border-radius:50%;border:2.4px solid rgba(31,34,48,.22);border-top-color:#1f2230;animation:nw-spin .7s linear infinite}.signin .reassure{margin:18px 0 0;font-size:12.5px;color:var(--ink2);line-height:1.55;display:inline-flex;align-items:center;gap:7px;justify-content:center}.signin .reassure.status{color:var(--accent)}.signin .rule{height:1px;background:var(--border-soft);margin:26px 0 0}.signin .legal{margin:16px 0 0;font-size:11.5px;color:var(--axis)}.signin .legal a:hover{color:var(--ink2);text-decoration:underline}.signin .legal .dot{margin:0 8px;opacity:.5}