body{min-height:100vh;display:flex;flex-direction:column}
.reg-header{padding:18px 0;border-bottom:1px solid var(--border-light);background:rgba(255,253,245,0.96)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 28px;display:flex;justify-content:space-between;align-items:center}
.header-inner .login-link{font-size:0.85rem;color:var(--gray-mid)}
.header-inner .login-link a{color:var(--brand-green);font-weight:600}
.header-inner .login-link a:hover{color:var(--accent-orange)}
.reg-main{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.reg-card{display:flex;background:var(--white);border-radius:24px;box-shadow:0 12px 40px rgba(0,0,0,.04);border:1px solid var(--border-light);overflow:hidden;max-width:1000px;width:100%;min-height:560px}
.reg-brand{width:380px;flex-shrink:0;background:linear-gradient(135deg,#1a2e28,#0d2818);padding:40px 32px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.reg-brand::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='1'%3E%3Cpath d='M10 10l40 40M50 10L10 50'/%3E%3C/g%3E%3C/svg%3E") repeat;z-index:0}
.reg-brand>*{position:relative;z-index:1}
.reg-brand h2{font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:6px}
.reg-brand .sub{font-size:0.82rem;color:rgba(255,255,255,.55);margin-bottom:28px}
.reg-brand .benefits{display:flex;flex-direction:column;gap:16px}
.reg-brand .benefit{display:flex;align-items:center;gap:12px}
.reg-brand .benefit .b-icon{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:1rem;color:#4cd964;flex-shrink:0}
.reg-brand .benefit .b-text{font-size:0.82rem;color:rgba(255,255,255,.7)}
.reg-brand .benefit .b-text strong{color:#fff}
.reg-brand .login-alt{margin-top:auto;padding-top:28px;font-size:0.82rem;color:rgba(255,255,255,.4)}
.reg-brand .login-alt a{color:#4cd964;font-weight:600}
.reg-brand .login-alt a:hover{color:var(--accent-orange)}
.reg-form-wrap{flex:1;padding:40px 44px;display:flex;flex-direction:column;justify-content:center}
.reg-form-wrap .form-title{font-size:1.3rem;font-weight:700;color:#1F3E3B;margin-bottom:4px}
.reg-form-wrap .form-sub{font-size:0.82rem;color:var(--gray-mid);margin-bottom:24px}
.reg-tabs{display:flex;gap:4px;background:#F5F2EC;border-radius:10px;padding:3px;margin-bottom:20px;width:fit-content}
.reg-tabs span{padding:6px 18px;border-radius:8px;font-size:0.82rem;color:var(--gray-mid);cursor:pointer;transition:.2s}
.reg-tabs span.active{background:var(--white);color:var(--brand-green);font-weight:600;box-shadow:0 2px 4px rgba(0,0,0,.04)}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:0.82rem;font-weight:500;color:var(--gray-deep);margin-bottom:4px}
.form-group .input-wrap{display:flex;border:1px solid #E4DDCF;border-radius:10px;overflow:hidden;background:#FAFAF7;transition:.2s}
.form-group .input-wrap:focus-within{border-color:var(--brand-green);background:var(--white)}
.form-group .input-wrap .prefix{padding:10px 0 10px 14px;font-size:0.85rem;color:var(--gray-mid);background:#F5F2EC;border-right:1px solid #E4DDCF}
.form-group .input-wrap input{flex:1;padding:10px 14px;border:none;background:transparent;font-size:0.9rem;outline:none}
.form-group .input-wrap .suffix{display:flex;align-items:center;padding:0 10px;color:#ccc;cursor:pointer}
.form-group .input-wrap .suffix:hover{color:var(--gray-deep)}
.form-group .input-wrap .captcha-img{width:90px;background:#F5F2EC;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;color:var(--gray-mid);letter-spacing:3px;cursor:pointer}
.form-group .input-wrap .code-btn{padding:0 14px;background:var(--brand-light-green);color:var(--brand-green);font-size:0.78rem;font-weight:600;border:none;cursor:pointer;white-space:nowrap}
.form-group .input-wrap .code-btn:disabled{opacity:.5;cursor:not-allowed}
.form-group .input-wrap .code-btn.sending{background:#F5F2EC;color:var(--gray-mid)}
.form-error{font-size:0.72rem;color:#E53935;margin-top:4px;display:none}
.form-group .pwd-strength{display:flex;gap:4px;margin-top:6px;align-items:center}
.form-group .pwd-strength .bar{flex:1;height:4px;border-radius:2px;background:#EDE8DE;overflow:hidden}
.form-group .pwd-strength .bar .fill{height:100%;border-radius:2px;width:0;transition:.3s}
.form-group .pwd-strength .bar .fill.weak{width:33%;background:#E53935}
.form-group .pwd-strength .bar .fill.medium{width:66%;background:#F39C12}
.form-group .pwd-strength .bar .fill.strong{width:100%;background:var(--brand-green)}
.form-group .pwd-strength .label{font-size:0.7rem;color:#bbb;min-width:36px;text-align:right}
.user-type{display:flex;gap:16px}
.user-type label{display:flex;align-items:center;gap:6px;font-size:0.85rem;color:var(--gray-deep);cursor:pointer}
.user-type input[type=radio]{accent-color:var(--brand-green);width:16px;height:16px}
.agreement{display:flex;align-items:flex-start;gap:8px;font-size:0.8rem;color:var(--gray-mid)}
.agreement input[type=checkbox]{accent-color:var(--brand-green);width:16px;height:16px;margin-top:2px}
.agreement a{color:var(--brand-green)}
.agreement a:hover{color:var(--accent-orange)}
.reg-btn{width:100%;padding:12px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--brand-green),#38A169);color:white;font-size:1rem;font-weight:600;cursor:pointer;transition:.2s;margin-top:4px}
.reg-btn:hover{background:var(--brand-dark-green);transform:translateY(-1px)}
.reg-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.social-divider{display:flex;align-items:center;gap:12px;margin:18px 0 14px;color:#ccc;font-size:0.78rem}
.social-divider::before,.social-divider::after{flex:1;height:1px;background:#EDE8DE;content:''}
.social-btns{display:flex;justify-content:center;gap:16px}
.social-btns a{width:44px;height:44px;border-radius:50%;border:1px solid var(--border-light);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--gray-mid);transition:.2s}
.social-btns a:hover{border-color:var(--brand-green);color:var(--brand-green);background:var(--brand-light-green)}
.footer-text{text-align:center;font-size:0.78rem;color:#bbb;margin-top:16px}
@media(max-width:768px){
    .reg-card{flex-direction:column}
    .reg-brand{width:100%;padding:28px 24px;min-height:auto}
    .reg-brand .benefits{flex-direction:row;flex-wrap:wrap}
    .reg-brand .benefit{flex:1;min-width:130px}
    .reg-form-wrap{padding:28px 24px}
}