:root{--ink:#182221;--muted:#74817e;--green:#177c6d;--dark:#103d37;--mint:#dff2ea}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f5f8f6;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:#fff;border:1px solid #e5ece8;border-radius:18px;padding:36px 38px;box-shadow:0 20px 60px rgba(20,75,63,.1)}.brand-mark{width:48px;height:48px;border-radius:15px;background:var(--mint);color:var(--green);display:grid;place-items:center;font-size:23px;font-weight:800;margin-bottom:26px}.eyebrow{margin:0;color:var(--green);font-size:11px;font-weight:700;letter-spacing:1.2px}.login-card h1{font-size:27px;letter-spacing:-.7px;margin:10px 0 8px}.intro{color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 26px}.login-card form{display:grid;gap:16px}.login-card label{display:grid;gap:8px;color:#52605d;font-size:12px;font-weight:650}.login-card input{width:100%;border:1px solid #dce7e3;border-radius:9px;padding:12px 13px;font:inherit;color:var(--ink);outline:none}.login-card input:focus{border-color:#74bbae;box-shadow:0 0 0 3px #dff2ea}.login-card button{border:0;border-radius:9px;background:var(--green);color:#fff;padding:13px 15px;font:inherit;font-weight:700;cursor:pointer;margin-top:4px}.login-card button:hover{background:#0d5f54}.login-card button span{margin-left:7px}.error{height:16px;color:#c65e4f;font-size:12px;margin:0}.login-shell footer{position:fixed;bottom:22px;color:#91a09b;font-size:11px}@media(max-width:480px){.login-card{padding:28px 24px}.login-card h1{font-size:24px}}