.login-container{background:radial-gradient(circle at 10% 20%,#1a365df2 0%,#0d1b2afa 90%),radial-gradient(circle at 90% 80%,#2b6cb066 0%,#0000 60%);justify-content:center;align-items:center;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;display:flex;position:relative;overflow:hidden}.login-bg-glow-1{filter:blur(50px);pointer-events:none;background:radial-gradient(circle,#3b82f659 0%,#0000 70%);border-radius:50%;width:380px;height:380px;animation:12s ease-in-out infinite alternate floatOrb;position:absolute;top:15%;left:20%}.login-bg-glow-2{filter:blur(60px);pointer-events:none;background:radial-gradient(circle,#10b98140 0%,#0000 70%);border-radius:50%;width:420px;height:420px;animation:14s ease-in-out infinite alternate-reverse floatOrb;position:absolute;bottom:15%;right:20%}@keyframes floatOrb{0%{transform:translateY(0)scale(1)}50%{transform:translateY(-30px)scale(1.08)}to{transform:translateY(20px)scale(.95)}}.login-card{-webkit-backdrop-filter:blur(20px);z-index:2;background:#ffffffd9;border:1px solid #fff9;border-radius:20px;width:440px;padding:40px;transition:all .3s;box-shadow:0 20px 40px -15px #00000040,inset 0 0 0 1px #ffffff80}.login-header{text-align:center;margin-bottom:28px}.login-brand-logo{color:#fff;background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:14px;font-size:24px;font-weight:800;display:inline-flex;box-shadow:0 8px 16px #2563eb59}.login-title{color:#0f172a;letter-spacing:.5px;margin-bottom:6px;font-size:22px;font-weight:700}.login-subtitle{color:#64748b;font-size:13px}.feishu-login-btn{border-radius:10px;justify-content:center;align-items:center;gap:8px;height:46px;font-size:15px;font-weight:600;transition:all .2s;display:flex;box-shadow:0 6px 16px #3370ff4d;color:#fff!important;background:#3370ff!important;border-color:#3370ff!important}.feishu-login-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px #3370ff66;background:#2860e1!important}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;font-weight:400;line-height:1.5}*,:before,:after{box-sizing:border-box}html,body,#root{background-color:#f5f7fa;width:100%;min-height:100vh;margin:0;padding:0}a{color:inherit;text-decoration:none}