*{margin:0;padding:0;box-sizing:border-box}
:root{--blue:#0b3d91;--blue-dark:#072c69;--blue-light:#eaf1fc;--ink:#17233b;--muted:#5a6a85;--line:#d7e0ee;--green:#0d7a4f;--red:#c22e2e;--gold:#b8860b}
body{font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;background:#fff;color:var(--ink);line-height:1.65}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
header.site{background:var(--blue);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 8px rgba(7,44,105,.25)}
.header-in{max-width:1060px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.logo{font-size:21px;font-weight:800;color:#fff;display:flex;align-items:center;gap:9px}
.logo .dot{width:15px;height:15px;border-radius:4px;background:#fff;display:inline-block}
.logo small{font-size:12px;font-weight:600;opacity:.85;display:block;line-height:1}
nav.main{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
nav.main a{color:#eaf1fc;padding:7px 11px;border-radius:999px;font-size:14.5px}
nav.main a:hover{background:rgba(255,255,255,.16);text-decoration:none}
.wrap{max-width:1060px;margin:0 auto;padding:24px 16px 44px}
.hero{background:linear-gradient(135deg,var(--blue),var(--blue-dark));border-radius:20px;color:#fff;padding:36px 26px;text-align:center;margin-bottom:24px}
.hero h1{font-size:clamp(28px,5.4vw,44px);font-weight:800;line-height:1.2;margin-bottom:10px}
.hero p{font-size:17px;opacity:.95;max-width:640px;margin:0 auto}
.hero .badges{margin-top:16px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.hero .badges span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:4px 13px;font-size:13.5px;font-weight:600}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:22px;box-shadow:0 1px 3px rgba(11,61,145,.05)}
.card h2{font-size:23px;margin-bottom:10px;color:var(--blue-dark)}
.card h3{font-size:18px;margin:16px 0 6px;color:var(--blue-dark)}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:22px}
.tool-card{display:block;background:var(--blue-light);border:1px solid var(--line);border-radius:16px;padding:20px;color:var(--ink)}
.tool-card:hover{text-decoration:none;border-color:var(--blue)}
.tool-card .ic{font-size:32px;line-height:1}
.tool-card h3{font-size:19px;margin:8px 0 4px;color:var(--blue-dark)}
.tool-card p{font-size:14.5px;color:var(--muted)}
.note{font-size:14px;color:var(--muted)}
.privacy-strip{background:#eafaf2;border:1px solid #bfe6d2;border-radius:14px;padding:16px 18px;margin-bottom:22px;font-size:15.5px}
.drop{border:2px dashed var(--blue);border-radius:16px;padding:28px 16px;text-align:center;background:var(--blue-light);cursor:pointer}
.drop.drag{background:#dbe8fb}
.drop p{font-size:16.5px;font-weight:600}
.drop .note{margin-top:4px}
input[type=file]{display:none}
.btn{display:inline-block;background:var(--blue);color:#fff;border:none;padding:12px 22px;border-radius:999px;font-size:16px;font-weight:700;cursor:pointer;font-family:inherit;margin-top:12px}
.btn:hover{background:var(--blue-dark)}
.btn.secondary{background:#fff;color:var(--blue);border:2px solid var(--blue)}
.btn:disabled{opacity:.45;cursor:not-allowed}
label{font-weight:600;font-size:15px;display:block;margin:14px 0 5px}
input[type=number],input[type=text],select{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;font-size:16px;font-family:inherit;background:#fff}
input[type=range]{width:100%;accent-color:var(--blue)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.chip{border:1.5px solid var(--blue);color:var(--blue);background:#fff;border-radius:999px;padding:6px 15px;font-size:14.5px;font-weight:600;cursor:pointer;font-family:inherit}
.chip.on{background:var(--blue);color:#fff}
.preset-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:6px}
.preset{border:1.5px solid var(--line);border-radius:12px;padding:12px;text-align:left;background:#fff;cursor:pointer;font-family:inherit}
.preset.on{border-color:var(--blue);background:var(--blue-light)}
.preset b{display:block;font-size:15.5px;color:var(--blue-dark)}
.preset span{font-size:13px;color:var(--muted)}
.stage-wrap{display:flex;justify-content:center;margin:16px 0}
#stage{position:relative;max-width:340px;width:100%;background:#22304a;border-radius:8px;overflow:hidden;touch-action:none}
#stage canvas{display:block;width:100%;height:auto;cursor:grab}
#stage canvas:active{cursor:grabbing}
.stage-frame{position:absolute;inset:0;border:2px solid rgba(255,255,255,.85);border-radius:8px;pointer-events:none}
.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:8px 22px}
.bg-panel{border:1.5px solid var(--line);border-radius:12px;padding:6px 16px 14px;margin-top:18px;background:#fbfcfe}
.bg-panel>label{margin-top:10px}
.bg-swatches{display:flex;gap:9px;flex-wrap:wrap;align-items:stretch;margin-top:4px}
.bg-swatch{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px 6px 7px;font-family:inherit;font-size:14.5px;font-weight:600;cursor:pointer;color:var(--ink)}
.bg-swatch.on{border-color:var(--blue);background:var(--blue-light);box-shadow:0 0 0 1px var(--blue)}
.bg-swatch .sw{width:26px;height:26px;border-radius:50%;border:1px solid rgba(23,35,59,.25);display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;color:var(--blue-dark);background:linear-gradient(135deg,#f6c453 0 50%,#7db4ea 50% 100%)}
.bg-custom{display:flex;align-items:center;gap:8px;border:1.5px dashed var(--line);border-radius:999px;padding:5px 12px;font-size:14.5px;margin:0;cursor:pointer}
.bg-custom input[type=color]{width:34px;height:30px;border:none;background:none;padding:0;cursor:pointer}
.bg-methods{display:flex;gap:9px;flex-wrap:wrap;margin:2px 0 8px}
.bg-method{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:7px 15px;font-family:inherit;font-size:14.5px;font-weight:700;cursor:pointer;color:var(--ink)}
.bg-method.on{border-color:var(--blue);background:var(--blue-light);box-shadow:0 0 0 1px var(--blue)}
.bg-strength{margin-top:10px}
.bg-strength label{margin-top:6px}
.result-box{margin-top:16px;background:#eafaf2;border:1px solid #bfe6d2;border-radius:12px;padding:14px 16px;display:none}
.result-box.show{display:block}
.result-box img{max-width:180px;border:1px solid var(--line);border-radius:6px;display:block;margin-bottom:8px}
table{width:100%;border-collapse:collapse;margin:10px 0;font-size:15px}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--blue-light);color:var(--blue-dark)}
.faq h3{margin-top:18px}
footer.site{background:#0d1830;color:#c3d2ea;margin-top:10px}
.footer-in{max-width:1060px;margin:0 auto;padding:28px 16px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px}
footer.site h4{color:#fff;margin-bottom:8px;font-size:16px}
footer.site a{color:#c3d2ea}
footer.site p{font-size:14.5px}
.copyright{border-top:1px solid rgba(255,255,255,.15);text-align:center;padding:14px 16px;font-size:13.5px}
.ad-slot{border:2px dashed #b9c8e2;background:#f6f9fe;border-radius:14px;text-align:center;padding:20px 12px;margin-bottom:22px;color:#5a6a85;font-weight:700;font-size:16px;line-height:1.5}
.ad-slot span{font-weight:400;font-size:13.5px}
.kv{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.kv div{background:var(--blue-light);border-radius:10px;padding:8px 14px;font-size:14.5px}
.kv b{color:var(--blue-dark)}
@media (max-width:640px){.hero{padding:28px 18px}.card{padding:18px}}