:root{--ink:#14213d;--mute:#5b6475;--line:#e3e7ee;--bg:#f7f9fc;--brand:#1f6feb;--ok:#137333;--err:#b3261e}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}.top{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:#fff;border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:20px;text-decoration:none;color:var(--ink)}.brand span{color:var(--brand)}nav a{margin-left:16px;text-decoration:none;color:var(--mute)}
main{max-width:980px;margin:0 auto;padding:24px 16px}h1{font-size:clamp(26px,5vw,38px);line-height:1.2;margin:.3em 0}.lead{color:var(--mute);max-width:720px}
.s2c-drop{display:flex;flex-direction:column;align-items:center;gap:6px;padding:38px 16px;border:2px dashed #b8c4d8;border-radius:14px;background:#fff;cursor:pointer;text-align:center;transition:.15s}
.s2c-drop:hover,.s2c-drop.over,.s2c-drop:focus{border-color:var(--brand);background:#f0f6ff;outline:none}.s2c-drop span{color:var(--mute);font-size:14px}
.s2c-status{margin:12px 0;min-height:1.5em}.s2c-status.ok{color:var(--ok)}.s2c-status.err{color:var(--err)}.s2c-status .btn{margin-left:8px}
.s2c-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px}.s2c-summary{flex:1 1 220px;color:var(--mute);font-size:14px}
.btn{display:inline-block;padding:9px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-size:15px;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}select{padding:8px;border-radius:8px;border:1px solid var(--line);font:inherit;font-size:15px}
.s2c-tablewrap{overflow:auto;max-height:60vh;background:#fff;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{position:sticky;top:0;background:#f1f4f9}td[data-k=description]{white-space:normal;min-width:220px}td.num{text-align:right;font-variant-numeric:tabular-nums}
td.neg{color:var(--err)}td.pos{color:var(--ok)}td[contenteditable]:focus{outline:2px solid var(--brand);background:#f0f6ff}.s2c-del{border:0;background:none;color:var(--mute);font-size:18px;cursor:pointer}
.s2c-note{font-size:13px;color:var(--mute)}.how{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:34px 0}
.how div,.plan{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.how p{margin:.3em 0 0;color:var(--mute);font-size:14px}
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.plan.best{border:2px solid var(--brand)}.price{font-size:32px;font-weight:800;margin:0}.price small{font-size:15px;color:var(--mute)}
.plan .small{display:block;margin-top:10px;font-size:13px}details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0}summary{cursor:pointer;font-weight:600}
.related ul{columns:2;padding-left:18px}@media(max-width:600px){.related ul{columns:1}}.disclaimer{font-size:12px;color:var(--mute);margin-top:30px}
footer{text-align:center;color:var(--mute);font-size:14px;padding:28px 12px}.doc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 24px 24px}