:root{color-scheme:light;--ink:#252333;--muted:#77768a;--line:#e9e7f0;--purple:#7257d8;--purple-dark:#5c43bd;--canvas:#f6f5f9;--surface:#fff}
*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;display:grid;place-items:center;padding:28px;color:var(--ink);background:radial-gradient(circle at 10% 0%,#eeebff 0,transparent 32%),var(--canvas);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}button,input{font:inherit}[hidden]{display:none!important}
.login-layout{display:grid;grid-template-columns:1.02fr .98fr;width:min(1080px,100%);min-height:650px;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:26px;box-shadow:0 30px 90px rgba(51,39,94,.11)}
.brand-panel{display:flex;flex-direction:column;justify-content:space-between;padding:42px 48px;color:#fff;background:radial-gradient(circle at 80% 18%,rgba(210,196,255,.26),transparent 32%),linear-gradient(145deg,#3c316f 0%,#57429d 55%,#332b61 100%)}.brand{display:flex;align-items:center;gap:13px;color:inherit;text-decoration:none}.brand img{width:44px;height:44px;object-fit:contain;padding:5px;background:#fff;border-radius:14px}.brand strong,.brand small{display:block}.brand strong{font-size:18px}.brand small{margin-top:5px;color:#c7beed;font-size:9px;letter-spacing:.16em}.brand-copy{max-width:450px;margin:auto 0;padding:78px 0}.brand-copy>p{margin:0 0 20px;color:#c8bfff;font-size:11px;font-weight:800;letter-spacing:.2em}.brand-copy h1{margin:0;font-size:clamp(36px,4.5vw,52px);line-height:1.32;letter-spacing:-.045em}.brand-copy>span{display:block;max-width:370px;margin-top:22px;color:#ded9f2;font-size:14px;line-height:1.9}.brand-foot{display:flex;align-items:center;gap:10px;color:#d5cfef;font-size:12px}.brand-foot i{width:8px;height:8px;border-radius:50%;background:#a996ff;box-shadow:0 0 0 5px rgba(169,150,255,.14)}
.form-panel{align-self:center;width:min(100%,465px);margin:auto;padding:58px 54px}.form-head{margin-bottom:30px}.eyebrow{margin:0 0 11px;color:var(--purple);font-size:12px;font-weight:750;letter-spacing:.12em}.form-head h2{margin:0;font-size:30px;letter-spacing:-.03em}.form-head>p:last-child{margin:11px 0 0;color:var(--muted);font-size:14px}.field{display:grid;gap:9px;margin-bottom:19px;color:#3d3b4d;font-size:13px;font-weight:650}.field input{width:100%;height:48px;padding:0 14px;color:var(--ink);background:#fcfbfe;border:1px solid var(--line);border-radius:11px;outline:none;transition:.15s}.field input:focus{background:#fff;border-color:#9b87ef;box-shadow:0 0 0 3px rgba(114,87,216,.12)}.field input::placeholder{color:#aaa8b7;font-weight:400}.field small{color:var(--muted);font-size:11px;font-weight:400}.submit-button{width:100%;height:49px;margin-top:6px;color:#fff;background:linear-gradient(100deg,#765bdd,#684dcc);border:0;border-radius:11px;cursor:pointer;font-weight:720;box-shadow:0 9px 20px rgba(107,80,207,.18)}.submit-button:hover{background:var(--purple-dark)}.submit-button:disabled{opacity:.65;cursor:wait}.notice{margin:0 0 15px;padding:12px 13px;color:#79523a;background:#fff6ed;border:1px solid #f2e0cd;border-radius:10px;font-size:13px;line-height:1.6}.notice.is-success{color:#456746;background:#f1f8ef;border-color:#dcebd7}.mode-toggle{margin:22px 0 0;color:var(--muted);text-align:center;font-size:13px}.mode-toggle button{padding:0;color:var(--purple);background:none;border:0;cursor:pointer;font-weight:750}.mode-toggle button:hover{text-decoration:underline}.review-note{margin:34px 0 0;color:#9694a2;text-align:center;font-size:11px;line-height:1.8}
@media(max-width:760px){body{padding:12px}.login-layout{grid-template-columns:1fr;min-height:0;border-radius:20px}.brand-panel{min-height:195px;padding:24px}.brand-copy{padding:32px 0 10px}.brand-copy h1{font-size:28px}.brand-copy>span,.brand-foot{display:none}.form-panel{width:100%;padding:34px 25px 30px}.form-head h2{font-size:26px}.review-note{margin-top:27px}}