.sttv-wrap{max-width:980px;margin:28px auto;padding:0 14px;font-family:inherit}.sttv-card{background:#fff;border:1px solid rgba(20,20,20,.08);border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.06);padding:22px}.sttv-header{margin-bottom:18px}.sttv-header h2{margin:0 0 6px;font-size:28px;line-height:1.15}.sttv-header p{margin:0;color:#666}.sttv-label-row{display:flex;justify-content:space-between;gap:10px;align-items:center}.sttv-counter{font-size:13px;color:#777;font-weight:700}.sttv-counter.sttv-counter-warn{color:#c0392b}.sttv-speed-value{background:#fff3ed;color:#f88452;border:1px solid #ffd7c6;border-radius:999px;padding:6px 10px;font-size:13px;white-space:nowrap;font-weight:800}.sttv-label{display:block;font-weight:700;margin:12px 0 7px}.sttv-text,.sttv-select{width:100%;border:1px solid #ddd;border-radius:13px;padding:12px 14px;font-size:15px;outline:none;background:#fff;box-sizing:border-box}.sttv-text:focus,.sttv-select:focus{border-color:#f88452;box-shadow:0 0 0 3px rgba(248,132,82,.16)}.sttv-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:16px;margin-top:10px}.sttv-speed{margin-top:14px}.sttv-speed-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.sttv-range{width:100%;accent-color:#f88452}.sttv-range-labels{display:flex;justify-content:space-between;color:#777;font-size:13px;margin-top:2px}.sttv-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.sttv-btn{border:none;background:#f88452;color:#fff;border-radius:13px;padding:12px 18px;font-weight:800;cursor:pointer;transition:transform .12s ease,opacity .12s ease}.sttv-btn:hover{opacity:.92;transform:translateY(-1px)}.sttv-btn-dark{background:#222}.sttv-status{margin-top:14px;min-height:22px;color:#444;font-weight:600}.sttv-note{margin-top:16px;background:#fafafa;border-left:4px solid #f88452;padding:12px 14px;border-radius:10px;color:#555;font-size:14px;display:flex;justify-content:space-between;gap:12px;align-items:flex-end}.sttv-version{font-size:12px;color:#888;white-space:nowrap}@media(max-width:720px){.sttv-grid{grid-template-columns:1fr}.sttv-note{display:block}.sttv-version{display:block;margin-top:8px;text-align:right}}