:root{--blue:#2869dc;--ink:#0a1729;--muted:#6a788a;--line:rgba(10,23,41,.12)}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
.shell{min-height:100vh;display:grid;grid-template-columns:minmax(520px,1.18fr) minmax(440px,.82fr)}
.visual-panel{position:relative;min-height:100vh;overflow:hidden;background:#dce5f2}
.city{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,15,35,.08),rgba(3,15,35,.06) 44%,rgba(3,15,35,.64))}
.logo{position:absolute;z-index:2;left:54px;top:45px;width:220px}
.logo img{display:block;width:100%;height:auto;background:transparent}
.visual-copy{position:absolute;z-index:2;left:58px;right:58px;bottom:54px;color:#fff}
.visual-copy p{margin:0 0 18px;color:#c4ddff;font-size:10px;font-weight:800;letter-spacing:.2em}
.visual-copy h1{margin:0;font-size:clamp(38px,4.1vw,66px);font-weight:600;line-height:1.08;letter-spacing:-.05em;text-shadow:0 2px 28px rgba(0,0,0,.24)}
.visual-copy span{display:block;margin-top:26px;color:rgba(255,255,255,.72);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.login-panel{display:grid;place-items:center;padding:60px;background:radial-gradient(circle at 76% 20%,rgba(40,105,220,.06),transparent 34%),#fff}
.login-content{width:min(100%,420px)}
.login-content header>p{margin:0 0 14px;color:var(--blue);font-size:10px;font-weight:800;letter-spacing:.2em}
.login-content h2{margin:0;font-size:52px;font-weight:600;letter-spacing:-.055em}
.login-content header>span{display:block;margin-top:12px;color:var(--muted);font-size:14px}
.provider{display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:16px;margin-top:42px;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;color:inherit;text-decoration:none;box-shadow:0 18px 50px rgba(11,30,58,.055);transition:.25s ease}
.provider:hover{border-color:rgba(40,105,220,.4);box-shadow:0 24px 65px rgba(11,30,58,.1);transform:translateY(-2px)}
.provider>i{display:grid;place-items:center;width:54px;height:54px;border-radius:15px;background:#edf3ff}
.provider svg{width:29px;fill:var(--blue)}
.provider span{display:grid;gap:5px}
.provider strong{font-size:16px}
.provider small{color:var(--muted);font-size:12px}
.provider>b{color:var(--blue);font-size:18px}
.provider.unavailable{opacity:.5}
.status{min-height:42px;margin:16px 2px 0;color:#985b17;font-size:12px;line-height:1.65}
.login-content footer{display:flex;justify-content:space-between;margin-top:48px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}
.login-content footer span{display:flex;align-items:center;gap:8px}
.login-content footer i{width:6px;height:6px;border-radius:50%;background:#28b36b;box-shadow:0 0 0 4px rgba(40,179,107,.1)}
.login-content footer a{color:inherit;text-decoration:none}
@media(max-width:860px){.shell{grid-template-columns:1fr}.visual-panel{min-height:42vh}.logo{left:26px;top:25px;width:175px}.visual-copy{left:28px;right:28px;bottom:28px}.visual-copy h1{font-size:36px}.visual-copy span{display:none}.login-panel{padding:52px 24px;min-height:58vh}.login-content h2{font-size:44px}}
@media(prefers-reduced-motion:reduce){.provider{transition:none}}