:root{
    --yy-primary:#2d6a4f;
    --yy-primary-dark:#1b4332;
    --yy-primary-light:#40916c;
    --yy-bg:#fafafa;
    --yy-border:#e3e5e8;
    --yy-text:#23272b;
    --yy-hint:#7a828a;
    --yy-error:#c1121f;
    --yy-success:#2d6a4f;
    --yy-radius:12px;
}

.yy-form-wrap{
    max-width:720px;margin:32px auto;padding:0 16px;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    color:var(--yy-text);line-height:1.6;box-sizing:border-box;
}
.yy-form-wrap *,.yy-form-wrap *::before,.yy-form-wrap *::after{box-sizing:border-box;}

.yy-card{
    background:#fff;border-radius:20px;
    box-shadow:0 12px 40px rgba(0,0,0,.06),0 1px 3px rgba(0,0,0,.04);
    overflow:hidden;
}

.yy-header{
    background:linear-gradient(135deg,#2d6a4f 0%,#40916c 100%);
    color:#fff;padding:34px 30px 30px;position:relative;overflow:hidden;
}
.yy-header::before{
    content:"";position:absolute;right:-60px;top:-60px;
    width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.08);
}
.yy-header::after{
    content:"";position:absolute;left:-40px;bottom:-80px;
    width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.06);
}
.yy-header h2{margin:0 0 8px;font-size:22px;font-weight:600;color:#fff;position:relative;}
.yy-header p{margin:0;font-size:13.5px;opacity:.9;color:#fff;position:relative;}

.yy-section{padding:26px 30px;border-bottom:1px solid #f1f2f3;}
.yy-section:last-of-type{border-bottom:none;}
.yy-section h3{
    margin:0 0 18px;font-size:15px;font-weight:600;color:var(--yy-primary-dark);
    display:flex;align-items:center;gap:8px;
}
.yy-section h3::before{
    content:"";display:inline-block;width:4px;height:16px;
    background:var(--yy-primary);border-radius:2px;
}

.yy-field{margin-bottom:20px;}
.yy-field:last-child{margin-bottom:0;}
.yy-field>label{
    display:block;font-size:13.5px;font-weight:500;
    color:#344e41;margin-bottom:7px;
}
.yy-field .req{color:var(--yy-error);margin-left:2px;}

.yy-field input[type="text"],
.yy-field input[type="tel"],
.yy-field input[type="date"],
.yy-field input[type="number"]{
    width:100%;padding:11px 14px;border:1.5px solid var(--yy-border);
    border-radius:10px;font-size:15px;font-family:inherit;
    transition:border-color .15s,box-shadow .15s,background .15s;
    background:#fafafa;color:var(--yy-text);outline:none;
    -webkit-appearance:none;
}
.yy-field input:focus{
    border-color:var(--yy-primary);background:#fff;
    box-shadow:0 0 0 3px rgba(45,106,79,.08);
}
.yy-field input::placeholder{color:#aab0b6;}

.yy-hint{font-size:12px;color:var(--yy-hint);margin:6px 0 0;}
.yy-age-display{font-size:13px;color:var(--yy-primary);margin:7px 0 0;font-weight:500;}
.yy-age-display.invalid{color:var(--yy-error);}
.yy-error{font-size:12.5px;color:var(--yy-error);margin:6px 0 0;}
.yy-error:empty{display:none;}

.yy-radio-group{display:flex;gap:10px;flex-wrap:wrap;}
.yy-radio{
    flex:1 1 auto;min-width:76px;padding:11px 16px;
    border:1.5px solid var(--yy-border);border-radius:10px;
    background:#fafafa;cursor:pointer;text-align:center;
    transition:all .15s;font-size:14px;
    display:flex;align-items:center;justify-content:center;gap:6px;
    user-select:none;
}
.yy-radio:hover{border-color:#c5cad0;}
.yy-radio input{margin:0;accent-color:var(--yy-primary);}
.yy-radio.checked{
    border-color:var(--yy-primary);background:#eaf4ee;
    color:var(--yy-primary-dark);font-weight:500;
}

.yy-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:560px){
    .yy-row{grid-template-columns:1fr;}
    .yy-section{padding:22px 20px;}
    .yy-header{padding:28px 20px 24px;}
}

.yy-sign-item{
    display:flex;align-items:center;gap:12px;
    padding:15px 18px;border:1.5px solid var(--yy-border);
    border-radius:12px;margin-bottom:12px;background:#fafafa;
    transition:all .18s;
}
.yy-sign-item:last-child{margin-bottom:0;}
.yy-sign-item.signed{border-color:var(--yy-success);background:#eaf4ee;}
.yy-btn-sign{
    flex:1;text-align:left;padding:4px 0;border:none;background:transparent;
    font-size:14.5px;cursor:pointer;color:var(--yy-primary-dark);
    font-weight:500;font-family:inherit;
}
.yy-btn-sign:hover{color:var(--yy-primary);}
.yy-sign-status{font-size:12.5px;color:var(--yy-hint);white-space:nowrap;}
.yy-sign-status.signed{color:var(--yy-success);font-weight:600;}

.yy-cf-widget{display:flex;justify-content:center;padding:6px 0;}

.yy-actions{padding:26px 30px 30px;background:#fafafa;}
.yy-btn-submit{
    width:100%;padding:15px;border:none;border-radius:12px;
    background:linear-gradient(135deg,#2d6a4f 0%,#40916c 100%);
    color:#fff;font-size:16px;font-weight:600;letter-spacing:1px;
    cursor:pointer;transition:transform .15s,box-shadow .15s;
    font-family:inherit;
}
.yy-btn-submit:hover:not(:disabled){
    transform:translateY(-1px);box-shadow:0 10px 24px rgba(45,106,79,.28);
}
.yy-btn-submit:disabled{opacity:.6;cursor:not-allowed;}

.yy-global-error{
    margin:0 30px 22px;padding:12px 16px;background:#fdf2f2;
    border:1px solid #f5c2c2;border-radius:10px;
    color:var(--yy-error);font-size:13.5px;
}

/* ---------- 弹窗 ---------- */
.yy-modal{
    position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:999999;
    display:flex;align-items:center;justify-content:center;padding:20px;
    backdrop-filter:blur(4px);
}
.yy-modal-content{
    background:#fff;border-radius:16px;width:100%;max-width:560px;
    max-height:90vh;overflow:auto;
    box-shadow:0 24px 64px rgba(0,0,0,.24);
    animation:yy-pop .22s ease-out;
}
@keyframes yy-pop{from{opacity:0;transform:scale(.95) translateY(8px)}to{opacity:1;transform:none}}

.yy-modal-header{
    padding:20px 24px;border-bottom:1px solid #f1f2f3;
    background:linear-gradient(135deg,#2d6a4f 0%,#40916c 100%);
    border-radius:16px 16px 0 0;
}
.yy-modal-title{margin:0;color:#fff;font-size:17px;font-weight:600;}

.yy-modal-body{padding:20px 24px;}
.yy-agreement-text{
    font-size:14px;line-height:1.8;color:#3f474e;
    background:#fafafa;padding:16px 18px;border-radius:10px;
    border-left:3px solid var(--yy-primary);
    margin-bottom:18px;white-space:pre-wrap;
}
.yy-sign-hint{font-size:13px;color:var(--yy-hint);margin:0 0 8px;}

.yy-canvas-wrap{
    position:relative;border:1.5px dashed #c9ced4;
    border-radius:10px;background:#fafafa;overflow:hidden;
}
.yy-sign-canvas{
    display:block;width:100%;height:180px;cursor:crosshair;
    touch-action:none;
}
.yy-canvas-placeholder{
    position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
    pointer-events:none;color:#b9bfc5;font-size:15px;font-style:italic;
}
.yy-btn-clear-sign{
    margin-top:10px;padding:6px 14px;background:#f0f2f4;border:none;
    border-radius:8px;font-size:13px;cursor:pointer;font-family:inherit;color:#555;
}
.yy-btn-clear-sign:hover{background:#e5e8eb;}

.yy-modal-footer{
    padding:16px 24px 20px;display:flex;gap:10px;justify-content:flex-end;
    border-top:1px solid #f1f2f3;
}
.yy-btn{
    padding:10px 22px;border-radius:10px;font-size:14px;font-weight:500;
    cursor:pointer;border:none;font-family:inherit;transition:all .15s;
}
.yy-btn-cancel{background:#f0f2f4;color:#555;}
.yy-btn-cancel:hover{background:#e5e8eb;}
.yy-btn-confirm{
    background:linear-gradient(135deg,#2d6a4f 0%,#40916c 100%);color:#fff;
}
.yy-btn-confirm:hover{opacity:.92;}

.yy-success-modal .yy-modal-body{text-align:center;padding:32px 24px 18px;}
.yy-success-icon{
    width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
    background:linear-gradient(135deg,#2d6a4f 0%,#40916c 100%);
    color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:32px;font-weight:700;
}
.yy-success-modal h3{margin:0 0 8px;font-size:20px;color:var(--yy-primary-dark);}
.yy-success-msg{font-size:14px;color:#666;margin:0 0 20px;}
.yy-qr-box{display:flex;justify-content:center;}
.yy-qr-box img{max-width:260px;width:100%;border-radius:10px;border:1px solid #eee;}