:root {
  --bg: #f7f8fa;
  --card: #fff;
  --ink: #1a1d24;
  --ink2: #4e5869;
  --ink3: #6f7888;
  --line: #dfe3e9;
  --brand: #1769d2;
  --brand-soft: #e8f1fe;
  --brand-deep: #0f4c9e;
  --warn: #9a3412;
  --warn-soft: #fff3e8;
  --ok: #0f7658;
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .96); }
.hd { height: 60px; display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 16px; font-weight: 700; }
.logo span { color: var(--brand); }
.btn-g, .btn-p { font: inherit; cursor: pointer; transition: background-color .15s, border-color .15s, color .15s; }
.btn-g { padding: 7px 14px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink2); }
.btn-g:hover { border-color: var(--brand); color: var(--brand); }
.hero { padding: 38px 0 28px; text-align: center; }
.hero h1 { max-width: 680px; margin: auto; font-size: 31px; line-height: 1.35; font-weight: 700; letter-spacing: 0; }
.hero h1 em { color: var(--brand); font-style: normal; }
.hero p { margin-top: 10px; color: var(--ink2); font-size: 16px; }
.pills { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
.pill { padding: 5px 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink2); font-size: 13px; }
.pill b { color: var(--ink); font-weight: 600; }
.card { margin-bottom: 20px; padding: 26px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.sec-t { font-size: 18px; line-height: 1.4; font-weight: 700; }
.sec-d { margin: 6px 0 20px; color: var(--ink3); font-size: 13.5px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.fld { display: flex; flex-direction: column; gap: 6px; }
.fld.full { grid-column: 1 / -1; }
label { color: var(--ink2); font-size: 13px; font-weight: 600; }
label i { margin-left: 2px; color: var(--warn); font-style: normal; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); font: inherit; font-size: 14.5px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
textarea { min-height: 82px; resize: vertical; line-height: 1.6; }
.hint { color: var(--ink3); font-size: 12px; }
.ck { display: flex; align-items: flex-start; gap: 9px; color: var(--ink); font-weight: 400; cursor: pointer; }
.ck input { width: 17px; height: 17px; margin-top: 4px; flex: none; accent-color: var(--brand); }
.btn-p { width: 100%; margin-top: 20px; padding: 12px 24px; border: 0; border-radius: 6px; background: var(--brand); color: #fff; font-weight: 600; }
.btn-p:hover { background: var(--brand-deep); }
.btn-p:disabled { background: #9aa8ba; cursor: wait; }
.form-error { margin-top: 16px; padding: 11px 13px; border: 1px solid #efc7b6; border-radius: 6px; background: var(--warn-soft); color: var(--warn); font-size: 13px; }
.notice { margin-top: 18px; padding: 12px 14px; border: 1px solid #f0d2bd; border-radius: 6px; background: var(--warn-soft); color: #77310f; font-size: 13px; }
.privacy-note { background: #eef5ff; border-color: #caddf8; color: #23466f; }
.report-card[hidden] { display: none; }
.rp-hd { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.rp-hd h2 { font-size: 17px; }
.report-level { color: var(--ok); font-size: 12px; }
.bar { height: 5px; margin-bottom: 18px; overflow: hidden; border-radius: 999px; background: var(--line); }
.bar i { display: block; width: 0; height: 100%; background: var(--brand); transition: width .25s; }
.bar.loading i { width: 42%; animation: progress 1.3s ease-in-out infinite alternate; }
@keyframes progress { to { width: 82%; } }
.report-body { color: #252a33; font-size: 15px; line-height: 1.85; }
.report-body h3 { margin: 26px 0 10px; padding-left: 11px; border-left: 3px solid var(--brand); font-size: 16.5px; }
.report-body h4 { margin: 18px 0 8px; color: var(--brand-deep); font-size: 15px; }
.report-body p { margin-bottom: 11px; }
.report-body ul, .report-body ol { margin: 0 0 13px 22px; }
.report-body li { margin-bottom: 6px; }
.report-body table { width: 100%; margin: 12px 0 16px; border-collapse: collapse; font-size: 13.5px; }
.report-body th, .report-body td { padding: 8px 9px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.report-body th { background: #f4f6f9; }
.report-body hr { margin: 22px 0; border: 0; border-top: 1px solid var(--line); }
.report-lock { margin-top: 22px; padding: 20px; border: 1px solid #bed4f3; border-radius: var(--radius); background: #f5f9ff; }
.report-lock h3 { margin: 0 0 5px; padding: 0; border: 0; }
.report-lock p { color: var(--ink2); font-size: 13px; }
.gate-in { display: flex; gap: 8px; margin-top: 13px; }
.gate-in input { flex: 1; min-width: 0; }
.gate-in .btn-p { width: auto; margin: 0; white-space: nowrap; }
.reasoning { background: #f4f2fb; border-color: #ddd5f7; margin-bottom: 18px; }
.reasoning > summary { color: #5b4bbd; font-weight: 600; }
.reasoning > div { padding: 0 14px 12px; font-size: 13.5px; color: var(--ink2); line-height: 1.75; }
.contact { margin-top: 10px; color: var(--ink2); font-size: 12.5px; }
.price { display: grid; grid-template-columns: min(100%, 560px); justify-content: center; gap: 16px; }
.pc { position: relative; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); }
.pc.hot { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-soft); }
.pc .tag { position: absolute; top: -10px; left: 18px; padding: 2px 9px; border-radius: 999px; background: var(--brand); color: #fff; font-size: 11px; }
.pc h3 { font-size: 15px; }
.pc .n { margin: 8px 0 10px; color: var(--brand); font-size: 28px; font-weight: 700; }
.pc .n small { color: var(--ink3); font-size: 13px; font-weight: 400; }
.pc ul { list-style: none; color: var(--ink2); font-size: 13.5px; }
.pc li { padding: 4px 0; }
.pc li::before { content: "✓"; margin-right: 8px; color: var(--ok); }
.faq { margin: 30px 0; }
.faq > .sec-t { margin-bottom: 12px; }
details { margin-bottom: 10px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
summary { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; cursor: pointer; font-weight: 600; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--ink3); font-size: 18px; }
details[open] summary::after { content: "−"; }
.bd { padding: 0 18px 16px; color: var(--ink2); font-size: 14px; }
footer { margin-top: 22px; padding: 32px 20px 42px; border-top: 1px solid var(--line); background: #fff; color: var(--ink3); text-align: center; font-size: 12.5px; }
footer p + p { margin-top: 5px; }
#toast { position: fixed; left: 50%; bottom: 30px; z-index: 50; max-width: 88vw; padding: 10px 18px; transform: translate(-50%, 12px); border-radius: 999px; background: #1a1d24; color: #fff; opacity: 0; pointer-events: none; transition: .2s; text-align: center; font-size: 13px; }
#toast.on { transform: translate(-50%, 0); opacity: 1; }

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 28px 0 22px; }
  .hero h1 { font-size: 25px; }
  .hero p { font-size: 14px; }
  .grid, .price { grid-template-columns: 1fr; }
  .card { padding: 20px; }
  .gate-in { flex-direction: column; }
  .gate-in .btn-p { width: 100%; }
  .report-body { overflow-wrap: anywhere; }
  .report-body table { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .bar.loading i { width: 65%; animation: none; } }
@media print {
  body { background: #fff; }
  header, .hero, #formCard, .pricing, .faq, footer, #toast, .report-lock { display: none !important; }
  .wrap { max-width: none; padding: 0; }
  .card { margin: 0; padding: 0; border: 0; }
  .report-card { display: block !important; }
  .bar { display: none; }
  .report-body { font-size: 12.5px; line-height: 1.7; }
  .report-body h3 { break-after: avoid; }
  .report-body table { break-inside: avoid; }
}