.zt-oc{padding:44px 0 55px;background:#f7f9fd;min-height:65vh;color:#1a2942}
.zt-oc-hero{max-width:770px;margin:0 auto 32px;text-align:center}
.zt-oc-hero h1{font-size:38px;line-height:1.25;margin:9px 0}
.zt-oc-hero p{color:#5d6b80;line-height:1.8;margin:0 0 13px}
.zt-oc-local{display:inline-block;padding:7px 12px;border-radius:99px;background:#eef8f2;color:#28744a;font-size:12px;font-weight:700}
.zt-oc-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
.zt-oc-card{border:1px solid #dce4f0;border-radius:17px;background:#fff;padding:24px;box-shadow:0 10px 26px rgba(24,35,59,.05)}
.zt-oc-card h2{font-size:17px;margin:0 0 16px;color:#1b3155}
.zt-oc-card h2:not(:first-child){margin-top:28px}
.zt-oc-note,.zt-oc-footnote{font-size:13px;line-height:1.7;color:#6a778b}
.zt-oc-info{padding:12px 14px;border:1px solid #e0e8f2;border-radius:9px;background:#f8fafd;font-size:13px}
.zt-oc-upload{display:block;position:relative;cursor:pointer;padding:24px;border:1px dashed #91aedb;border-radius:12px;text-align:center;color:#275eaf;background:#f5f9ff;font-weight:700}
.zt-oc-upload input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.zt-oc-label{display:grid;gap:7px;color:#526079;font-size:13px}
.zt-oc-label textarea,.zt-oc-label select{box-sizing:border-box;width:100%;border:1px solid #d6e1ef;border-radius:9px;padding:10px;font:inherit;background:#fff;color:#21314b}
.zt-oc-label textarea{font-size:14px;line-height:1.65;resize:vertical}
.zt-oc-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 20px}
.zt-oc-options label{display:flex;align-items:flex-start;gap:7px;line-height:1.4;font-size:13px;color:#34445d}
.zt-oc-options input{margin-top:2px;accent-color:#2866bd}
.zt-oc-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:21px}
.zt-oc-result>p{color:#66758a;font-size:13px;margin:0 0 14px;line-height:1.6}
.zt-oc-preview{min-height:260px;max-height:520px;overflow:auto;border:1px solid #dfe7f1;border-radius:10px;background:#fbfcff;padding:14px}
.zt-oc-empty{color:#8491a3;text-align:center;margin:110px auto}
.zt-oc-preview pre{margin:0;white-space:pre-wrap;word-break:break-word;font:14px/1.65 ui-monospace,Consolas,monospace}
.zt-oc-preview table{border-collapse:collapse;width:100%;font-size:12px;white-space:nowrap}
.zt-oc-preview td,.zt-oc-preview th{padding:8px 10px;border:1px solid #dde6f0;text-align:left;max-width:220px;overflow:hidden;text-overflow:ellipsis}
.zt-oc-preview th{background:#eff4fa;position:sticky;top:0}
.zt-oc-footnote{text-align:center;margin:24px 0 0}
@media(max-width:880px){.zt-oc-grid{grid-template-columns:1fr}}
@media(max-width:620px){.zt-oc{padding-top:28px}.zt-oc-hero h1{font-size:30px}.zt-oc-card{padding:17px}.zt-oc-options{grid-template-columns:1fr}}