:root{--bg:#f5f6f8;--card:#fff;--fg:#1d2433;--muted:#667085;--line:#e2e5ea;--accent:#2563eb;--accent-fg:#fff;--ok:#15803d;--bad:#c62828;--warn:#b45309;--soft:#eef2ff}
@media (prefers-color-scheme:dark){:root{--bg:#14171c;--card:#1d2127;--fg:#e6e8eb;--muted:#9aa3ae;--line:#2f353d;--accent:#5b8cff;--accent-fg:#0b1020;--ok:#4ade80;--bad:#f87171;--warn:#fbbf24;--soft:#232a3a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
header{max-width:1120px;margin:0 auto;padding:20px 16px 4px}
h1{font-size:22px;margin:0 0 4px}
.sub{color:var(--muted);margin:0}
main{max-width:1120px;margin:0 auto;padding:12px 16px 40px;display:grid;gap:16px;grid-template-columns:minmax(0,420px) minmax(0,1fr)}
@media (max-width:900px){main{grid-template-columns:minmax(0,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.card h2{font-size:16px;margin:0 0 10px}
.step{display:inline-block;width:22px;height:22px;border-radius:50%;background:var(--accent);color:var(--accent-fg);text-align:center;line-height:22px;font-size:13px;margin-right:6px}
textarea{width:100%;min-height:84px;resize:vertical;border:1px solid var(--line);border-radius:8px;padding:8px;background:transparent;color:inherit;font:inherit}
input[type=number],input[type=text],select{width:100%;border:1px solid var(--line);border-radius:8px;padding:6px 8px;background:transparent;color:inherit;font:inherit;min-width:0}
label.f{display:block;font-size:13px;color:var(--muted)}
.row{display:grid;gap:8px;grid-template-columns:repeat(3,minmax(0,1fr));margin:8px 0}
.row2{display:grid;gap:8px;grid-template-columns:repeat(2,minmax(0,1fr));margin:8px 0}
button,.btn{cursor:pointer;border:1px solid var(--line);background:var(--card);color:inherit;border-radius:8px;padding:6px 12px;font:inherit;text-decoration:none;display:inline-block}
button.primary,.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg);font-weight:600}
button:disabled{opacity:.5;cursor:not-allowed}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.chip{font-size:13px;padding:4px 10px}
.chip.on{border-color:var(--accent);background:var(--soft)}
.sw{display:inline-block;width:12px;height:12px;border-radius:3px;border:1px solid var(--line);vertical-align:-1px;margin-right:4px}
.hint{font-size:13px;color:var(--muted);margin:4px 0}
.parsed{font-size:13px;background:var(--soft);border-radius:8px;padding:8px 10px;margin-top:8px;display:none}
.parsed b{font-weight:600}
hr{border:0;border-top:1px solid var(--line);margin:14px 0}
#stage{position:relative;width:100%;max-width:560px;touch-action:none;user-select:none}
#cv{width:100%;display:block;border-radius:8px;background:repeating-conic-gradient(#8881 0 25%,#0000 0 50%) 0 0/16px 16px;cursor:grab}
#cv:active{cursor:grabbing}
.drop{border:2px dashed var(--line);border-radius:10px;padding:26px 12px;text-align:center;color:var(--muted)}
.drop.over{border-color:var(--accent)}
.status{font-size:13px;color:var(--muted);min-height:20px;margin-top:6px}
.out{display:grid;gap:16px;grid-template-columns:auto minmax(0,1fr);align-items:start}
@media (max-width:560px){.out{grid-template-columns:minmax(0,1fr)}}
#preview{background:repeating-conic-gradient(#8883 0 25%,#0000 0 50%) 0 0/12px 12px;max-width:220px;border:1px solid var(--line);border-radius:4px;display:block}
.report{list-style:none;margin:0;padding:0}
.report li{padding:4px 0;border-bottom:1px dashed var(--line);font-size:14px}
.report li:last-child{border-bottom:0}
.ok::before{content:"✓ ";color:var(--ok);font-weight:700}
.bad::before{content:"✗ ";color:var(--bad);font-weight:700}
.warn::before{content:"! ";color:var(--warn);font-weight:700}
.info::before{content:"· ";color:var(--muted);font-weight:700}
.report small{color:var(--muted)}
.hidden{display:none!important}
details{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}
summary{cursor:pointer;font-size:14px}
.toggle{display:flex;gap:8px;align-items:flex-start;font-size:14px;margin-top:8px}
.notice{border-left:3px solid var(--warn);padding:6px 10px;background:var(--soft);font-size:13px;border-radius:0 6px 6px 0;margin-top:8px}
.brand a{color:var(--muted);text-decoration:none;font-size:13px}
.faq ol,.faq ul{margin:6px 0 0;padding-left:20px;color:var(--muted)}
.more-pages{max-width:1120px;margin:0 auto;padding:0 16px 24px}
.more-pages h2{font-size:16px}.more-pages h3{font-size:13px;color:var(--muted);margin:12px 0 4px;font-weight:600}
.more-pages a{display:inline-block;margin:0 12px 6px 0;color:var(--accent);text-decoration:none;font-size:14px}
.more-pages a[aria-current]{color:var(--fg);font-weight:600}
.faq{max-width:1120px;margin:0 auto;padding:0 16px 24px}
.faq h2{font-size:18px}
.faq h3{font-size:15px;margin:16px 0 4px}
.faq p{margin:0;color:var(--muted)}
footer{max-width:1120px;margin:0 auto;padding:0 16px 30px;color:var(--muted);font-size:13px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px}
.touch-only{display:none;margin-left:6px}
@media (pointer:coarse){.touch-only{display:inline-block}}
.langs{font-size:13px;color:var(--muted)}
.langs a{color:var(--accent);text-decoration:none;margin-left:8px}
.langs a[aria-current]{color:var(--fg);font-weight:600}
.print{margin-top:12px;max-width:260px}
#sheetPreview{display:block;width:100%;margin-top:8px;border:1px solid var(--line);border-radius:4px}