*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;font-family:'Segoe UI',Arial,sans-serif;background:#f5f7fb;overflow:hidden}
body{position:relative}
.brand-wall{position:fixed;inset:0;z-index:1;pointer-events:none}
.brand{position:absolute;opacity:.13;filter:grayscale(10%);transition:.4s}
.brand:hover{opacity:.22}
.login-wrapper{display:flex;align-items:center;justify-content:center;flex-direction:column;position:relative;z-index:100;}
.login-card{width:460px;background:rgba(255,255,255,.97);border-radius:24px;box-shadow:0 20px 60px rgba(0,0,0,.18);animation:fadeUp .6s}
.card-header-line{height:6px;background:linear-gradient(90deg,#d71939,#1d74d8)}
.logo-section{text-align:center;padding:3px 4px 1px}
.kk-logo{width:140px}
.logo-section h2{margin-top:10px;color:#21407b;font-size:34px;font-weight:700}
.logo-section span{color:#777}
.divider{margin:20px 40px;display:flex;align-items:center}
.divider:before,.divider:after{content:'';flex:1;height:1px;background:#ddd}
.divider span{margin:0 15px;color:#d71939}
.form-group1{padding:0 40px 18px}
.form-group1 label{display:block;font-weight:600;margin-bottom:8px;color:#444}
.input-box{position:relative}
.input-box>i{position:absolute;left:18px;top:19px;color:#275fc5;font-size:18px}
.textbox{width:100%;height:58px;border:1px solid #ddd;border-radius:14px;padding:0 50px 0 52px;font-size:16px}
.textbox:focus{outline:none;border-color:#1d74d8;box-shadow:0 0 10px rgba(29,116,216,.25)}
.toggle-password{position:absolute;right:18px;top:18px;font-size:18px;color:#888;cursor:pointer}
.login-options{padding:0 40px 10px;color:#555}
.error-area{text-align:center;color:#d71939;font-weight:600;min-height:24px}
.btn-signin{width:calc(100% - 80px);margin:15px 40px;height:58px;border:none;border-radius:14px;background:linear-gradient(90deg,#d71939,#1d74d8);color:#fff;font-size:20px;font-weight:700;cursor:pointer;transition:.3s}
.btn-signin:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(0,0,0,.22)}
.login-footer{display:flex;justify-content:space-around;border-top:1px solid #eee;margin:25px 30px 20px;padding-top:20px}
.footer-box{text-align:center}
.footer-box i{color:#1d74d8;font-size:18px}
.footer-box span{display:block;font-size:12px;color:#888}
.footer-box strong{display:block;margin-top:5px}
.copyright{text-align:center;margin-top:15px;color:#666;font-size:13px}
@keyframes fadeUp{from{opacity:0;transform:translateY(25px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:768px){
.login-card{width:92%}
.brand{width:90px!important}
.logo-section h2{font-size:28px}
}