:root{--ink:#17201d;--muted:#708078;--line:#e3e9e5;--paper:#f4f7f5;--green:#0e6b4d;--lime:#d9f273;--red:#c9483d;--white:#fff}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(135deg,#10261e,#f4f7f5 55%);font-family:"Microsoft YaHei UI","PingFang SC",sans-serif;color:var(--ink);display:grid;place-items:center}.auth-shell{width:min(520px,calc(100vw - 32px))}.auth-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:0 28px 80px #10261e33}.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.auth-brand span{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--lime);color:#153125;font-size:24px;font-weight:900}.auth-brand b,.auth-brand small{display:block}.auth-brand small{color:var(--muted);font-size:12px;margin-top:4px}.auth-motto{margin:0 0 24px;padding:18px 20px;border-radius:18px;background:linear-gradient(135deg,#0e6b4d,#10261e);color:#fff;font-size:26px;font-weight:1000;letter-spacing:-.5px;line-height:1.25;box-shadow:0 18px 42px #0e6b4d26}.auth-motto:after{content:"";display:block;width:56px;height:4px;border-radius:999px;background:var(--lime);margin-top:12px}h1{margin:0;font-size:28px}p{margin:8px 0 22px;color:var(--muted);line-height:1.6}.auth-slogan{margin:-8px 0 22px;border-left:4px solid var(--green);border-radius:10px;background:#f0f7f3;color:#0e6b4d;padding:11px 13px;font-size:13px;font-weight:900}.auth-form{display:grid;gap:14px}.auth-form label{font-size:12px;color:var(--muted);font-weight:800}.auth-form input{display:block;width:100%;margin-top:7px;border:1px solid var(--line);border-radius:11px;padding:13px;background:#fafcfb;color:var(--ink);font-size:14px}.auth-form button{border:0;border-radius:11px;background:var(--green);color:#fff;padding:14px 18px;font-weight:900;cursor:pointer}.auth-message{min-height:22px;margin-top:14px;font-size:13px;color:var(--muted)}.auth-message.bad{color:var(--red);font-weight:800}.auth-message.good{color:var(--green);font-weight:800}