:root{font-family:Arial,"Microsoft YaHei",sans-serif;color:#25354a;background:#f5f7fb;font-size:15px;color-scheme:light}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}a{color:#2d67a4}button{cursor:pointer}button:disabled{cursor:not-allowed}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 6%;background:#fff;border-bottom:1px solid #dce3eb}.topbar img{display:block;width:180px;height:auto}.language{font-size:14px;text-decoration:none;padding:10px 14px;border:1px solid #d4dde7;border-radius:4px;background:white}
main{display:grid;grid-template-columns:1fr 420px;align-items:center;gap:64px;width:min(100% - 80px,1060px);margin:64px auto}.intro{padding:12px 0}.eyebrow{letter-spacing:.18em;font-size:13px;color:#4576a7;margin:0 0 20px}h1{font-size:36px;line-height:1.35;font-weight:500;margin:0 0 22px}.intro-copy{font-size:17px;line-height:1.85;color:#5d6d80;max-width:440px;margin:0}.accent-line{height:3px;width:44px;background:#316ca8;margin:32px 0}.audience{font-size:14px;line-height:1.8;color:#5d6d80;max-width:380px}.login-card{padding:32px;background:#fff;border:1px solid #dce3eb;border-radius:6px;box-shadow:0 8px 28px #29466808}h2{font-weight:500;font-size:25px;margin:0 0 10px}.subtitle{color:#647284;line-height:1.65;margin:0 0 18px;font-size:14px}.preview-note{background:#eef3f8;border-left:3px solid #6c90b6;padding:10px 12px;color:#4f637a;font-size:12px;line-height:1.7}.state-message{padding:12px;background:#fff5dc;color:#775921;font-size:14px;line-height:1.7}
label{display:block;font-size:14px;margin-bottom:8px}input{border:1px solid #c9d3df;border-radius:4px;padding:12px;width:100%;min-width:0;background:#fff;color:#25354a;font-size:16px}.password-heading{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-top:20px}.password-heading label{margin:0}.text-button{border:0;background:transparent;color:#2d67a4;font-size:13px;padding:8px 0}.password-field{display:flex;align-items:stretch;gap:8px;margin:6px 0 22px}.password-field input{flex:1}.password-field button{flex-shrink:0;border:1px solid #c9d3df;border-radius:4px;color:#41627f;background:#f8fafc;min-width:56px;padding:0 10px}.primary{width:100%;padding:12px;border:1px solid #2c65a2;border-radius:4px;color:#fff;background:#2d67a4}.primary:hover{background:#24598e}.divider{display:flex;align-items:center;gap:12px;color:#8591a0;font-size:12px;margin:20px 0}.divider:before,.divider:after{content:"";height:1px;flex:1;background:#e2e7ee}.google{width:100%;padding:12px;color:#6b7786;background:#f8fafb;border:1px solid #dce3eb;border-radius:4px;font-size:14px}.invitation{font-size:13px;line-height:1.8;color:#6d798a;margin:22px 0 0;border-top:1px solid #e4e9ef;padding-top:18px}#login-feedback:empty{display:none}#login-feedback{font-size:14px;line-height:1.7;color:#775921;background:#fff5dc;padding:12px;margin-bottom:0}footer{text-align:center;font-size:12px;color:#7a8797;padding:0 24px 30px}
@media(max-width:800px){main{grid-template-columns:1fr;gap:24px;max-width:480px;width:calc(100% - 40px);margin:32px auto}.intro{padding:0}h1{font-size:28px;margin-bottom:12px}.eyebrow,.accent-line,.audience{display:none}.intro-copy{font-size:15px}.login-card{padding:26px}.topbar{padding:20px}.topbar img{width:160px}}
@media(max-width:380px){main{width:calc(100% - 28px);margin:24px auto}.login-card{padding:20px}.topbar{padding:16px}.topbar img{width:144px}.language{padding:10px}.password-field{gap:6px}}