:root{font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:#2e433a;background:#f4f6ef;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}a{color:inherit}.login-shell{min-height:100vh;display:grid;grid-template-columns:1fr 430px;gap:70px;max-width:1100px;margin:auto;padding:70px 36px;align-items:center}.intro{position:relative;align-self:stretch;padding-top:10px;display:flex;flex-direction:column;align-items:start}.brand{text-decoration:none;display:flex;gap:12px;align-items:center;font-family:serif;font-size:26px}.brand small{font-family:inherit;font-size:9px;letter-spacing:1.4px;color:#81917d}.eyebrow{font-size:12px;letter-spacing:2px;color:#7d8d76;margin-top:90px}h1{font-family:"Songti SC",SimSun,serif;font-weight:400;line-height:1.5;font-size:42px;letter-spacing:2px;margin:20px 0}p{line-height:1.9}.intro p{color:#7b8976}.paper-art{width:130px;height:160px;border-radius:2px;background:#dce6cd;box-shadow:7px 6px 0 #edf0e4,8px 6px 0 #b9c8a6;transform:rotate(-9deg);margin:30px 50px 70px auto;border-left:10px solid #b7c9a1;padding:20px;text-align:center}.paper-art span{font-size:31px;font-family:serif}.paper-art small{display:block;font-size:7px;margin-top:10px}.intro footer{font-size:11px;color:#84937c;margin-top:auto}.auth-card{background:#fffef9;border:1px solid #dee5d6;border-radius:14px;padding:35px;box-shadow:0 12px 45px #34462a06}.tabs{display:flex;gap:25px;border-bottom:1px solid #e4e9df;margin-bottom:30px}.tabs button{background:none;border:0;padding:0 0 14px;cursor:pointer;color:#87917f}.tabs button[aria-selected=true]{color:#355944;border-bottom:2px solid #5f7950}h2{font-family:serif;font-size:24px;font-weight:400;margin:0 0 10px}.hint{font-size:12px;color:#82907b;margin:8px 0 20px}label{display:block;margin:18px 0 8px;font-size:12px}input{width:100%;min-height:44px;padding:11px 13px;border:1px solid #dce3d2;border-radius:6px;background:#f9fbf5;color:#2e433a}input:focus{outline:2px solid #a4b990;outline-offset:2px}.primary{border:0;border-radius:6px;color:white;background:#365d48;width:100%;padding:13px 15px;cursor:pointer}.primary:disabled{opacity:.6}.feedback{min-height:20px;font-size:12px;color:#a45743}.feedback.success{color:#496647}.text-button{background:transparent;border:0;padding:17px 0 0;color:#7a8b70;font-size:11px;cursor:pointer;text-align:left}.fine{font-size:10px;line-height:1.9;margin:22px 0 0}[hidden]{display:none!important}@media(max-width:780px){.login-shell{grid-template-columns:1fr;max-width:480px;padding:35px 20px;gap:30px}.intro .eyebrow{margin-top:25px}h1{font-size:29px;line-height:1.4}.intro p,.paper-art,.intro footer{display:none}.auth-card{padding:28px 24px}.brand small{font-size:8px}}
.invitation-confirmation{margin:18px 0;padding:14px;border:1px solid #d7dfcd;border-radius:8px;background:#f4f7ee}.invitation-confirmation label{display:flex;gap:9px;align-items:flex-start;font-size:12px;line-height:1.7;margin:0}.invitation-confirmation input[type=checkbox]{width:16px;height:16px;min-height:16px;margin:3px 0 0;flex:0 0 16px}