:root{
  --navy:#0b1f3a;--ink:#14213d;--text:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f6f8fb;--card:#fff;
  --green:#16a34a;--green2:#0f9d58;--green-soft:#e7f6ee;--red:#dc2626;--red-soft:#fdecea;--amber-soft:#fff7e6;--blue:#2563eb;--blue-soft:#eaf1ff;
  --radius:16px;--shadow:0 1px 2px rgba(15,23,42,.06),0 6px 20px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:16px}
h1,h2,h3{font-family:"Plus Jakarta Sans",Inter,sans-serif;color:var(--ink);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(1.8rem,4.5vw,2.8rem);letter-spacing:-.02em}
h2{font-size:clamp(1.3rem,3vw,1.7rem)}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted)}.small{font-size:.86rem}
/* header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:62px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Plus Jakarta Sans",Inter,sans-serif;font-weight:800;font-size:1.15rem;color:var(--navy)}
.brand:hover{text-decoration:none}
.brand img{width:32px;height:32px;border-radius:9px}
.brand small{font-weight:700;color:var(--green);font-size:.78rem;background:var(--green-soft);padding:2px 8px;border-radius:999px}
.top nav{display:flex;gap:4px;align-items:center}
.top nav a{color:var(--ink);font-weight:600;font-size:.9rem;padding:8px 10px;border-radius:8px;white-space:nowrap}
.top nav a:hover{background:var(--bg);text-decoration:none}
.top nav a.cta{background:var(--navy);color:#fff}
@media(max-width:760px){.top nav a:not(.cta){display:none}}
/* hero */
.hero{background:radial-gradient(900px 340px at 85% -20%,rgba(34,197,94,.22),transparent),linear-gradient(180deg,#0b1f3a,#10294b);color:#cbd5e1;padding:46px 0 52px}
.hero h1{color:#fff}
.hero p.lead{font-size:1.08rem;max-width:680px;margin:0 0 18px}
.badge-row{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#e2e8f0;border-radius:999px;padding:6px 12px;font-size:.82rem;font-weight:600}
.hero .find{display:flex;align-items:center;gap:10px;max-width:560px;margin-top:20px;background:#fff;border-radius:14px;padding:12px 14px;box-shadow:0 12px 30px rgba(0,0,0,.25)}
.hero .find input{border:0;outline:0;font-size:1.02rem;flex:1;font-family:inherit;color:var(--ink);background:transparent}
/* grid */
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:900px){.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);min-width:0}
.tool-card{display:flex;gap:14px;align-items:flex-start;color:inherit;transition:.15s}
.tool-card:hover{transform:translateY(-3px);border-color:#a7e0c0;text-decoration:none;box-shadow:0 10px 26px rgba(15,23,42,.1)}
.tool-card h3{margin:0 0 4px;font-size:1.05rem}
.tool-card p{margin:0;font-size:.88rem;color:var(--muted)}
.ti{flex:0 0 46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:1.35rem}
/* tool page */
.crumb{font-size:.82rem;color:#94a3b8;margin-bottom:8px}.crumb a{color:#cbd5e1}
.tool{margin-top:-32px}
.drop{border:2px dashed #b6c2d2;border-radius:16px;background:#fbfcfe;padding:34px 18px;text-align:center;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--green);background:var(--green-soft)}
.drop b{display:block;font-size:1.1rem;color:var(--ink);margin:8px 0 4px}
.drop input{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:12px 20px;font-weight:700;font-size:.95rem;cursor:pointer;font-family:inherit;text-decoration:none!important;transition:.15s}
.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green2)}
.btn-dark{background:var(--navy);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{background:var(--bg)}
.btn-sm{padding:7px 12px;font-size:.84rem;border-radius:9px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.files{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:8px}
.files li{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.files li .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;color:var(--ink)}
.files li .sz{color:var(--muted);font-size:.8rem;white-space:nowrap}
.files li button{border:1px solid var(--line);background:#fff;border-radius:8px;width:32px;height:32px;cursor:pointer}
.files li.drag{opacity:.4}
.thumb{width:38px;height:48px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:var(--bg)}
label{display:block;font-weight:600;font-size:.86rem;color:var(--ink);margin-bottom:5px}
input[type=text],input[type=number],select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:10px 12px;font-size:.95rem;font-family:inherit;background:#fff;color:var(--ink)}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid #93c5fd;border-color:#60a5fa}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:16px 0}
.progress{height:8px;background:var(--line);border-radius:999px;overflow:hidden;margin:12px 0;display:none}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,#16a34a,#22c55e);transition:width .2s}
.result{display:none;margin-top:16px;background:var(--green-soft);border:1px solid #a7e0c0;border-radius:14px;padding:16px}
.result b{color:#0b5e36}
.note{background:var(--amber-soft);border:1px solid #f6d58f;color:#7c5410;border-radius:12px;padding:12px 14px;font-size:.88rem}
.info{background:var(--blue-soft);border:1px solid #bcd0fb;color:#1e3a8a;border-radius:12px;padding:12px 14px;font-size:.88rem}
.priv{display:inline-flex;align-items:center;gap:6px;color:#0b5e36;background:var(--green-soft);border-radius:999px;padding:4px 10px;font-size:.78rem;font-weight:700}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;padding-left:40px;position:relative;margin-bottom:12px}
.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem}
details{border:1px solid var(--line);background:#fff;border-radius:12px;padding:0 16px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;color:var(--ink);padding:14px 0;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;color:var(--muted)}details[open] summary:after{content:"−"}
details p{margin:0 0 14px}
.section{margin-top:34px}
.promo{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:linear-gradient(135deg,#0b1f3a,#14325c);color:#cbd5e1;border:0}
.promo h3{color:#fff;margin:0 0 4px}
.ad-slot{margin:22px 0;text-align:center}.ad-slot:empty{display:none}.ad-lbl{font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.out{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1.05rem;background:#0b1f3a;color:#a7f3d0;border-radius:12px;padding:14px 16px;word-break:break-all;margin:8px 0}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:.82rem;font-weight:600;color:var(--ink);cursor:pointer;font-family:inherit}
.chips button:hover{border-color:var(--green);color:var(--green)}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(120px);background:var(--navy);color:#fff;padding:12px 18px;border-radius:10px;font-weight:600;box-shadow:0 8px 30px rgba(0,0,0,.25);transition:.3s;z-index:200;max-width:90vw;text-align:center}
.toast.show{transform:translateX(-50%) translateY(0)}
footer{background:var(--navy);color:#94a3b8;padding:34px 0 22px;font-size:.86rem;margin-top:48px}
footer a{color:#cbd5e1}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:20px}
@media(max-width:760px){footer .cols{grid-template-columns:1fr 1fr}}
footer h4{color:#fff;margin:0 0 8px;font-size:.92rem}
footer .cols a{display:block;margin-bottom:5px}
.legal h2{margin-top:1.4em}