/**
 * AI Print on Demand 落地页样式。
 * 以 embroidery.css 为基底改造：设计 token（珊瑚色/Satoshi/发丝线/.reveal）完全一致，
 * 仅裁掉本页未使用的对比表/工艺规格/定价区样式，新增六卡 features 区样式与三栏步骤变体。
 */
:root{
  --ink:#1c1917; --ink-soft:#57534e; --paper:#fafaf9; --paper-raise:#f5f5f4;
  --coral:#FF8A7F; --coral-deep:#e8503f; --coral-tint:#fff1ef;
  --hairline:#e7e5e4; --radius:16px; --radius-tight:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Satoshi',ui-sans-serif,system-ui,-apple-system,sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}
h2{font-size:clamp(28px,3.2vw,40px);font-weight:900;letter-spacing:-.028em;line-height:1.15}
nav{position:sticky;top:0;z-index:50;background:rgba(250,250,249,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--hairline)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-links{display:flex;gap:36px;font-weight:500;font-size:15px;color:var(--ink-soft)}
.nav-links a:hover{color:var(--ink)}
.nav-links a.current{color:var(--coral-deep)}
.logo img{height:34px;width:auto}
.btn{display:inline-block;font-weight:700;font-size:16px;padding:14px 30px;border-radius:var(--radius-tight);transition:transform .2s cubic-bezier(.16,1,.3,1),box-shadow .2s,background .2s;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--coral-deep);color:#fff;box-shadow:0 8px 24px rgba(232,80,63,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(232,80,63,.35)}
.btn-ghost{color:var(--ink);border:1.5px solid var(--hairline);background:transparent}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-sm{padding:10px 22px;font-size:14.5px}
.hero-full{max-width:1280px;margin:0 auto;padding:56px 32px 72px;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-copy{display:flex;flex-direction:column;justify-content:center}
h1{font-size:clamp(40px,4.6vw,60px);font-weight:900;letter-spacing:-.035em;line-height:1.04}
h1 .tint{color:var(--coral-deep)}
.hero-sub{font-size:18px;color:var(--ink-soft);max-width:40ch;margin:22px 0 32px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative;overflow:hidden;background:var(--paper-raise);border-radius:calc(var(--radius) + 6px);aspect-ratio:4/3;max-height:520px;box-shadow:20px 26px 70px rgba(232,80,63,.16)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.stats{border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);background:var(--paper-raise)}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);padding:36px 0}
.stat{text-align:left;padding:0 40px;border-left:1px solid var(--hairline)}
.stat:first-child{border-left:none}
.stat b{display:block;font-size:34px;font-weight:900;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{font-size:14.5px;color:var(--ink-soft)}
.statement{padding:104px 0 96px}
.statement h2{margin-bottom:26px}
.statement .measure{max-width:70ch}
.statement p{font-size:17px;color:var(--ink-soft);margin-top:18px}
.statement p:first-of-type{color:var(--ink);font-size:19px}
.steps{padding:0 0 120px}
.steps h2{text-align:center;margin-bottom:48px}
.steps-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.steps-grid-3{grid-template-columns:repeat(3,1fr)}
.step{background:var(--paper-raise);border-radius:var(--radius);padding:30px}
.step-num{font-size:15px;font-weight:700;color:var(--coral-deep);background:var(--coral-tint);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center}
.step h3{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-top:18px}
.step p{color:var(--ink-soft);font-size:15.5px;margin-top:8px}
.features{padding:0 0 120px}
.features h2{margin-bottom:44px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--paper-raise);border-radius:var(--radius);padding:30px 32px}
.feature-num{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--coral-tint);color:var(--coral-deep);font-weight:700;font-size:14px;margin-bottom:16px}
.feature-card h3{font-size:18px;font-weight:700;letter-spacing:-.01em}
.feature-card p{color:var(--ink-soft);font-size:15px;margin-top:10px}
.teaser{padding:0 0 120px}
.teaser-panel{background:var(--coral-tint);border-radius:calc(var(--radius) + 8px);display:grid;grid-template-columns:1.05fr .95fr;align-items:center;overflow:hidden}
.teaser-copy{padding:56px}
.teaser-copy h2{margin-bottom:16px}
.teaser-copy p{color:var(--ink-soft);font-size:17px;max-width:46ch;margin-bottom:28px}
.teaser-media{height:100%;min-height:340px}
.teaser-media img{width:100%;height:100%;object-fit:cover}
.products{padding:0 0 120px}
.products h2{margin-bottom:14px;max-width:60ch}
.products .lede{color:var(--ink-soft);max-width:62ch;margin-bottom:44px;font-size:17px}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 26px}
.product-card{position:relative}
.product-card img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%;display:block}
.product-card h3{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-top:18px}
.product-card .exclusive-flag{position:absolute;top:14px;left:14px;font-size:12.5px;font-weight:700;color:#fff;background:var(--coral-deep);border-radius:999px;padding:5px 13px;box-shadow:0 4px 14px rgba(232,80,63,.35)}
.product-card p{color:var(--ink-soft);font-size:15px;margin-top:8px;max-width:46ch}
.faq{padding:0 0 120px}
.faq h2{margin-bottom:48px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 72px}
.qa{padding:26px 0;border-top:1px solid var(--hairline)}
.qa h3{font-size:17.5px;font-weight:700;letter-spacing:-.01em}
.qa p{color:var(--ink-soft);font-size:15.5px;margin-top:8px}
.cta-band{background:var(--coral-deep);color:#fff;padding:88px 0;border-radius:calc(var(--radius) + 8px);margin:0 32px 32px}
.cta-in{max-width:760px;margin:0 auto;text-align:center;padding:0 32px}
.cta-in h2{color:#fff}
.cta-in p{opacity:.92;margin:18px 0 34px;font-size:17px}
.btn-invert{background:#fff;color:var(--coral-deep)}
.btn-invert:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(28,25,23,.25)}
footer{border-top:1px solid var(--hairline);padding:36px 0;color:var(--ink-soft);font-size:14px}
.foot-in{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.foot-links{display:flex;gap:28px}
.foot-links a:hover{color:var(--ink)}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}.btn{transition:none}html{scroll-behavior:auto}}
@media (max-width:900px){
  .hero-full{grid-template-columns:1fr;padding:32px 20px 48px;gap:32px}
  .hero-copy{order:2}.hero-media{order:1;aspect-ratio:16/10;max-height:300px}
  .stats-in{grid-template-columns:1fr 1fr;row-gap:28px}.stat{border-left:none;padding:0}
  .steps-grid{grid-template-columns:1fr}.steps-grid-3{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .products-grid{grid-template-columns:1fr;gap:36px}
  .teaser-panel{grid-template-columns:1fr}.teaser-copy{padding:40px 28px}.teaser-media{min-height:240px}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .cta-band{margin:0 16px 16px}.wrap{padding:0 20px}
  .nav-links{display:none}
}