:root{--ink:#141210;--bg:#faf9f6;--surface:#fff;--surface2:#f5f1ea;--fg:#0a0a0a;--muted:#525252;--border:rgba(15,15,15,.10);--gold:#b08c4f;--gold2:#c9a35f;--green:#3f7d4e}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;font-family:'Manrope','Manrope Fallback',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background:var(--bg);min-height:100dvh}
.it-wrap{max-width:1040px;margin:0 auto;padding:34px 20px 90px}
.it-h1{font-size:28px;font-weight:800;letter-spacing:-.02em;margin:0 0 6px}
.it-sub{color:var(--muted);margin:0 0 22px;font-size:14.5px;line-height:1.55;max-width:720px}
.it-sub a,.it-note a{color:#7d5f2c;font-weight:700;text-decoration:underline;text-decoration-color:rgba(176,140,79,.65);text-underline-offset:3px}
.it-trust{display:inline-flex;align-items:center;gap:8px;background:#eef5ef;color:#2c5b37;font-size:12.5px;font-weight:800;border-radius:999px;padding:6px 12px;margin:0 0 18px}
.it-trust svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.it-drop{border:2px dashed rgba(176,140,79,.5);border-radius:18px;background:var(--surface);padding:46px 20px;text-align:center;cursor:pointer;transition:background .15s,border-color .15s}
.it-drop:hover,.it-drop.over{background:#fbf7ef;border-color:var(--gold)}
.it-drop .it-big{font-size:16px;font-weight:800}
.it-drop .it-sm{font-size:13px;color:var(--muted);margin-top:5px}
.it-drop .it-pick{display:inline-block;margin-top:14px;font-size:14px;font-weight:800;color:#141210;background:linear-gradient(135deg,var(--gold),var(--gold2));border-radius:11px;padding:11px 18px}
.it-grid{display:none;gap:22px;margin-top:6px;align-items:start}
.it-grid.on{display:grid;grid-template-columns:minmax(0,1fr) 320px}
.it-stage{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:14px;min-height:280px;display:grid;place-items:center;position:relative;overflow:hidden}
.it-stage.it-check{background-color:#fff;background-image:linear-gradient(45deg,#f1ede6 25%,transparent 25%),linear-gradient(-45deg,#f1ede6 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f1ede6 75%),linear-gradient(-45deg,transparent 75%,#f1ede6 75%);background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0}
.it-stage canvas,.it-stage img{max-width:100%;max-height:68vh;border-radius:8px;display:block}
.it-panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:0 1px 3px rgba(20,18,16,.05);position:sticky;top:16px}
.it-step{padding:0 0 14px;margin:0 0 14px;border-bottom:1px solid var(--border)}
.it-step:last-of-type{border-bottom:0;margin-bottom:6px;padding-bottom:4px}
.it-sh{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:800;color:#141210;margin:0 0 10px}
.it-sh .it-n{flex:none;width:22px;height:22px;border-radius:7px;background:var(--surface2);color:var(--gold);font-size:12px;display:grid;place-items:center}
.it-lab{display:flex;justify-content:space-between;font-size:12.5px;font-weight:700;color:#3a3632;margin:10px 0 6px}
.it-lab b{font-weight:800;color:#141210}
.it-panel input[type=range]{width:100%;accent-color:var(--gold)}
.it-panel select,.it-panel input[type=number]{width:100%;font:inherit;font-size:14px;border:1px solid var(--border);border-radius:10px;padding:9px 11px;background:#fff}
.it-seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;background:var(--surface2);border-radius:11px;padding:4px}
.it-seg button{font:inherit;font-size:12.5px;font-weight:800;color:#3a3632;background:transparent;border:0;border-radius:8px;padding:8px 4px;cursor:pointer}
.it-seg button.on{background:#fff;color:#141210;box-shadow:0 1px 3px rgba(20,18,16,.14)}
.it-row{display:flex;gap:8px;flex-wrap:wrap}
.it-btn{font:inherit;font-size:12.5px;font-weight:800;color:#141210;background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:8px 11px;cursor:pointer}
.it-btn:hover{border-color:var(--gold)}
.it-btn:disabled{opacity:.45;cursor:default}
.it-chk{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:#3a3632;margin-top:10px;cursor:pointer}
.it-chk input{accent-color:var(--gold);width:16px;height:16px}
.it-out{display:flex;justify-content:space-between;font-size:13px;margin:8px 0 2px}
.it-out b{font-weight:800}
.it-good{font-size:12.5px;font-weight:800;color:var(--green);min-height:18px}
.it-dl{width:100%;margin-top:10px;font:inherit;font-size:15px;font-weight:800;color:#141210;border:none;cursor:pointer;border-radius:12px;padding:13px;background:linear-gradient(135deg,var(--gold),var(--gold2))}
.it-dl:hover{filter:brightness(1.05)}
.it-dl:disabled{opacity:.5;cursor:default;filter:none}
.it-reset{width:100%;margin-top:8px;font:inherit;font-size:13px;font-weight:700;color:#141210;background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:10px;cursor:pointer}
.it-hint{font-size:12px;color:var(--muted);line-height:1.5;margin:8px 0 0}
.it-note{font-size:13px;color:var(--muted);line-height:1.55;margin:14px 0 0}
.it-bar{height:7px;border-radius:99px;background:var(--surface2);overflow:hidden;margin-top:10px;display:none}
.it-bar.on{display:block}
.it-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--gold2));transition:width .15s}
.cta{margin-top:28px;background:linear-gradient(120deg,#141210,#232019);color:#fff;border-radius:16px;padding:24px 26px;display:flex;align-items:center;gap:22px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(176,140,79,.4),transparent 70%)}
.cta .txt{flex:1;min-width:240px;position:relative;z-index:2}
.cta .k{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:7px}
.cta h2{margin:0 0 5px;font-size:19px;letter-spacing:-.01em;color:#fff}
.cta p{margin:0;font-size:14px;color:#cdc6ba;line-height:1.5}
.cta p a{color:#e2c894;font-weight:700}
.cta a.go{position:relative;z-index:2;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#141210;font-weight:800;font-size:14px;padding:12px 20px;border-radius:11px;text-decoration:none;white-space:nowrap}
.ds-content a{color:#7d5f2c;font-weight:700;text-decoration:underline;text-decoration-color:rgba(176,140,79,.65);text-underline-offset:3px}
.ds-content h3{font-size:16px;font-weight:800;margin:20px 0 8px;color:#141210}
.ds-content ul{font-size:14.5px;line-height:1.7;color:#4a453d;padding-left:20px;margin:0 0 12px}
.it-tab{width:100%;border-collapse:collapse;margin:6px 0 14px;font-size:14px}
.it-tab th,.it-tab td{border:1px solid var(--border);padding:9px 11px;text-align:left;vertical-align:top}
.it-tab th{background:var(--surface2);font-weight:800}
.it-tabwrap{overflow-x:auto}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(18px);background:var(--ink);color:#fff;font-weight:700;font-size:13px;padding:10px 18px;border-radius:999px;opacity:0;pointer-events:none;transition:.25s;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:820px){.it-grid.on{grid-template-columns:1fr}.it-panel{position:static}.it-h1{font-size:24px}}