body{min-height:100vh;display:flex;flex-direction:column}
.login-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 .reg-link{font-size:0.85rem;color:var(--gray-mid)}
.header-inner .reg-link a{color:var(--brand-green);font-weight:600}
.header-inner .reg-link a:hover{color:var(--accent-orange)}
.login-main{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.login-card{background:var(--white);border-radius:24px;box-shadow:0 12px 40px rgba(0,0,0,.04);border:1px solid var(--border-light);padding:44px 44px 36px;max-width:440px;width:100%}
.login-title{text-align:center;margin-bottom:28px}
.login-title h1{font-size:1.4rem;font-weight:700;color:#1F3E3B;margin-bottom:4px}
.login-title p{font-size:0.82rem;color:var(--gray-mid)}
.login-tabs{display:flex;gap:4px;background:#F5F2EC;border-radius:10px;padding:3px;margin-bottom:22px}
.login-tabs span{flex:1;text-align:center;padding:7px 10px;border-radius:8px;font-size:0.85rem;color:var(--gray-mid);cursor:pointer;transition:.2s}
.login-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:18px}
.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 .icon{padding:11px 0 11px 14px;color:#bbb;font-size:0.9rem}
.form-group .input-wrap input{flex:1;padding:11px 14px 11px 8px;border:none;background:transparent;font-size:0.9rem;outline:none}
.form-group .input-wrap .suffix{display:flex;align-items:center;padding:0 12px;color:#ccc;cursor:pointer}
.form-group .input-wrap .suffix:hover{color:var(--gray-deep)}
.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-error{font-size:0.72rem;color:#E53935;margin-top:4px;display:none}
.login-options{display:flex;justify-content:space-between;align-items:center;font-size:0.82rem;margin-bottom:20px}
.login-options label{display:flex;align-items:center;gap:6px;color:var(--gray-mid);cursor:pointer}
.login-options input[type=checkbox]{accent-color:var(--brand-green);width:14px;height:14px}
.login-options .forgot{color:var(--brand-green)}
.login-options .forgot:hover{color:var(--accent-orange)}
.login-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}
.login-btn:hover{background:var(--brand-dark-green);transform:translateY(-1px)}
.social-divider{display:flex;align-items:center;gap:12px;margin:20px 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)}
.reg-footer{text-align:center;margin-top:20px;font-size:0.85rem;color:var(--gray-mid)}
.reg-footer a{color:var(--brand-green);font-weight:600}
.reg-footer a:hover{color:var(--accent-orange)}
.login-error-box{background:#FFEBEE;border:1px solid #FFCDD2;border-radius:10px;padding:10px 14px;font-size:0.82rem;color:#C62828;margin-bottom:16px;display:none;align-items:center;gap:8px}
.sms-fields{display:none}
.wechat-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.45);z-index:900;display:none;backdrop-filter:blur(2px)}
.wechat-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;border-radius:24px;padding:36px 32px 28px;z-index:901;display:none;width:340px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.12)}
.wechat-modal .wm-close{position:absolute;top:14px;right:16px;font-size:1.1rem;color:#bbb;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%}
.wechat-modal .wm-close:hover{background:#F5F2EC;color:var(--gray-deep)}
.wechat-modal .wm-icon{font-size:2.6rem;color:#07C160;margin-bottom:10px}
.wechat-modal h3{font-size:1.15rem;font-weight:700;color:#1F3E3B;margin-bottom:4px}
.wechat-modal p{font-size:0.82rem;color:var(--gray-mid);margin-bottom:18px}
.wechat-modal .wm-qr{width:200px;height:200px;margin:0 auto 14px;background:#FAFAFA;border-radius:16px;border:1px solid var(--border-light);display:flex;align-items:center;justify-content:center;overflow:hidden}
.wechat-modal .wm-loading{display:flex;align-items:center;justify-content:center;gap:6px;font-size:0.85rem;color:var(--gray-mid);height:180px}
.wechat-modal .wm-tip{font-size:0.75rem;color:#bbb;margin-bottom:4px}
.wechat-modal .wm-refresh{font-size:0.78rem;color:var(--brand-green);display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:20px;transition:.2s}
.wechat-modal .wm-refresh:hover{background:var(--brand-light-green)}
@media(max-width:480px){.login-card{padding:32px 24px}}