/* 拍槌之后 UNDER THE HAMMER - unified design system build */
:root{
  --paper:#f7f5f1; --ink:#1e1a14; --accent:#3d5a80; --accent-deep:#2e4562;
  --muted:#6a6259; --line:#ded7c8; --card:#ffffff; --wash:#efece4;
  --serif:Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.4;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.2vw,3rem)}
h2{font-size:clamp(1.35rem,2.6vw,1.9rem)}
h3{font-size:1.08rem}
p{margin:0 0 1em}
a{color:var(--accent)}
.sec{padding:64px 0;border-top:2px solid var(--line)}
.sec-head{margin-bottom:28px}
.sec-head .no{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}
.sec-head h2{margin:.3em 0 .4em}
.sec-head p{color:var(--muted);max-width:65ch;margin:0}
.kicker{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);border-left:3px solid var(--accent);padding-left:12px;margin:0 0 18px;line-height:1.7}
.lede{font-size:1.12rem;max-width:40em;color:var(--ink)}
.en{color:var(--muted);font-size:.82em;display:block;margin-top:.35em;line-height:1.7}
/* nav */
.brand-nav{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:2px solid var(--line)}
.brand-nav .wrap{display:flex;align-items:center;gap:18px;padding-top:10px;padding-bottom:10px}
.brand-lock{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto}
.brand-lock svg{width:38px;height:38px;flex:none}
.brand-lock .wm{font-family:var(--serif);font-weight:700;font-size:1.02rem;line-height:1.25}
.brand-lock .wm small{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;color:var(--muted);font-weight:400}
.nav-links{display:flex;gap:16px;flex-wrap:wrap}
.nav-links a{color:var(--ink);text-decoration:none;font-size:.92rem}
.nav-links a:hover{color:var(--accent)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;
  border-radius:3px;padding:12px 22px;font-size:1rem;min-height:48px;cursor:pointer;border:2px solid var(--accent)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{background:transparent;color:var(--accent)}
.btn-ghost:hover{background:var(--wash)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
/* hero */
.hero{padding:72px 0 64px}
.hero .btn-row{margin-top:30px}
.trustline{margin-top:22px;font-size:.86rem;color:var(--muted);max-width:65ch}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.step{background:var(--card);border:2px solid var(--line);border-radius:4px;padding:22px}
.step .n{font-family:var(--mono);font-size:.75rem;color:var(--accent);letter-spacing:.15em}
.step h3{margin:.4em 0 .5em}
.step p{color:var(--muted);font-size:.95rem;margin:0}
/* tables */
.tablewrap{overflow-x:auto;margin-top:8px}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:640px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
tbody tr:last-child td{border-bottom:none}
/* demo cards */
.demo{background:var(--ink);color:#f5efe4;border-radius:6px;padding:28px;margin-top:8px}
.demo h3{color:#fff;font-family:var(--sans);font-size:1.05rem}
.demo .fine{font-size:.82rem;color:#c9bfae}
.paddles{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.paddle{background:#2b241d;color:#f5efe4;border:2px solid #4a4033;border-radius:4px;
  padding:12px 18px;font-size:1rem;cursor:pointer;min-height:48px}
.paddle:hover,.paddle.on{border-color:var(--accent);background:#3a2c1e}
.calcgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0}
.field label{display:block;font-size:.82rem;color:#c9bfae;margin-bottom:6px}
.field input,.field select{width:100%;background:#241e17;border:1px solid #4a4033;color:#f5efe4;
  border-radius:3px;padding:11px 12px;font-size:1rem;min-height:48px}
.result{background:#241e17;border:1px solid #4a4033;border-radius:4px;padding:20px;margin-top:6px}
.result .row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed #4a4033;font-size:.98rem}
.result .row:last-child{border-bottom:none}
.result .row b{font-family:var(--mono)}
.result .total{font-size:1.15rem;color:#fff}
.tag{font-family:var(--mono);font-size:.7rem;color:#9fd0a8;letter-spacing:.06em}
/* specimen */
.specimen{background:var(--card);border:2px solid var(--line);border-radius:4px;padding:28px;margin-top:8px}
.specimen .stamp{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;color:var(--accent);
  border:1px solid var(--accent);display:inline-block;padding:4px 10px;border-radius:2px;margin-bottom:14px}
/* honesty */
.honesty{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.hcol{background:var(--card);border:2px solid var(--line);border-radius:4px;padding:24px}
.hcol.no{border-color:var(--accent)}
.hcol h3{font-family:var(--sans)}
.hcol ul{margin:0;padding-left:1.1em}
.hcol li{margin-bottom:.7em;font-size:.96rem}
.hcol li::marker{color:var(--accent)}
/* pricing */
.pricebox{background:var(--card);border:2px solid var(--accent);border-radius:6px;padding:32px;max-width:640px}
.pricebox .amt{font-family:var(--serif);font-size:2.4rem;margin:.2em 0}
.pricebox ul{padding-left:1.1em;margin:0 0 1.2em}
.pricebox li{margin-bottom:.5em}
/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:4px;margin-bottom:10px;padding:16px 20px}
.faq summary{font-weight:700;cursor:pointer;font-size:1.02rem}
.faq details p{margin:.8em 0 0;color:var(--muted)}
/* cta band */
.cta-band{background:var(--ink);color:#f5efe4;text-align:center;padding:72px 20px}
.cta-band h2{color:#fff;max-width:22em;margin:0 auto .5em}
.cta-band p{color:#c9bfae;max-width:44em;margin:0 auto 1.6em}
/* footer */
.brand-footer{border-top:2px solid var(--line);padding:48px 0 32px;font-size:.9rem;color:var(--muted)}
.brand-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;margin-bottom:28px}
.brand-footer a{color:var(--muted)}
.brand-footer h4,.brand-footer .fh{font-family:var(--mono);font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--ink);margin:0 0 .8em}
.disclaimer{border-top:1px solid var(--line);padding-top:20px;font-size:.84rem}
/* forms */
.form{background:var(--card);border:2px solid var(--line);border-radius:6px;padding:30px;max-width:620px}
.form label{display:block;font-weight:700;margin:14px 0 6px;font-size:.95rem}
.form input[type=text],.form input[type=email],.form textarea{width:100%;border:1px solid var(--line);
  border-radius:3px;padding:12px;font-size:1rem;min-height:48px;font-family:var(--sans)}
.form .note{font-size:.85rem;color:var(--muted);margin-top:12px}
.checkline{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:.95rem}
.checkline input{width:22px;height:22px;margin-top:2px;flex:none}
/* sub pages */
.page-head{padding:56px 0 8px}
/* toc/outline list */
.outline{list-style:none;margin:0;padding:0}
.outline li{display:grid;grid-template-columns:86px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.outline .day{font-family:var(--mono);font-size:.78rem;color:var(--accent);letter-spacing:.1em;padding-top:4px}
.outline h3{margin:0 0 .25em}
.outline p{margin:0;color:var(--muted);font-size:.93rem}
@media(max-width:820px){
  .steps{grid-template-columns:1fr}
  .honesty{grid-template-columns:1fr}
  .calcgrid{grid-template-columns:1fr}
  .brand-footer .cols{grid-template-columns:1fr}
  .sec{padding:48px 0}
}
@media(max-width:560px){
  .nav-links{display:none}
  .btn{width:100%}
  .btn-row .btn{flex:1 1 100%}
  .outline li{grid-template-columns:1fr}
}