/**
 * 样式：Custom Branding 落地页（jlt-branding）。
 * 以 pod.css / embroidery.css 为基底，保持同一套设计 token
 * （珊瑚单强调色 / Satoshi / 发丝线分隔 / .reveal 渐入）。
 * 复用 hero-full / cta-band / faq / footer 区块规则；本页专属区块：
 *   .benefits-grid / .benefit-card：收益三卡（标题即卖点，珊瑚色大字）
 *   .products-grid / .product-card / .price-flag：品牌产品三块（价签胶囊 + View Product 下划线链接）
 *   .marketing-grid / .mk-block / .marketing-media：营销三块 + 两张氛围图错位叠放（非对称排版）
 *   .steps-grid：步骤时间轴（左列表右配图的非对称两栏，承袭 ai-embroidery 的写法）
 */
: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:46ch;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}

/* 收益三卡：标题本身就是卖点（0 MOQ 等），用珊瑚色大字做视觉锚点 */
.benefits{padding:88px 0 120px}
.benefits h2{margin-bottom:44px;max-width:62ch}
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.benefit-card{background:var(--paper-raise);border-radius:var(--radius);padding:32px}
.benefit-card h3{font-size:24px;font-weight:900;color:var(--coral-deep);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.benefit-card p{color:var(--ink-soft);font-size:15.5px;margin-top:14px}

/* 品牌产品三块：方图 + 名称与价签同行 + 两段正文 + View Product 下划线链接 */
.branding-products{padding:0 0 120px}
.branding-products h2{margin-bottom:44px;max-width:62ch}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 26px}
.product-card img{border-radius:var(--radius);aspect-ratio:1/1;object-fit:cover;width:100%;display:block}
.product-head{display:flex;align-items:center;gap:12px;margin-top:18px}
.product-head h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.price-flag{font-size:13px;font-weight:700;color:var(--coral-deep);background:var(--coral-tint);border-radius:999px;padding:4px 12px;font-variant-numeric:tabular-nums}
.product-card p{color:var(--ink-soft);font-size:15px;margin-top:8px;max-width:46ch}
.view-link{display:inline-block;margin-top:16px;font-weight:700;font-size:15px;color:var(--coral-deep);border-bottom:2px solid var(--coral);padding-bottom:2px;transition:color .2s,border-color .2s}
.view-link:hover{color:var(--ink);border-color:var(--ink)}

/* CTA 带：无副文案，h2 直接接按钮，间距在此补足 */
.cta-band{background:var(--coral-deep);color:#fff;padding:88px 0;border-radius:calc(var(--radius) + 8px);margin:0 32px 120px}
.cta-band:last-of-type{margin-bottom:32px}
.cta-in{max-width:760px;margin:0 auto;text-align:center;padding:0 32px}
.cta-in h2{color:#fff;margin-bottom:34px}
.btn-invert{background:#fff;color:var(--coral-deep)}
.btn-invert:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(28,25,23,.25)}

/* 营销区：左三块文案发丝线分隔，右两张氛围图错位叠放（非对称排版） */
.marketing{padding:0 0 120px}
.marketing h2{margin-bottom:48px;max-width:62ch}
.marketing-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center}
.mk-block + .mk-block{margin-top:32px;padding-top:32px;border-top:1px solid var(--hairline)}
.mk-block h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
.mk-block p{color:var(--ink-soft);font-size:15.5px;margin-top:10px;max-width:58ch}
.marketing-media img{border-radius:var(--radius);aspect-ratio:1/1;object-fit:cover;width:72%;box-shadow:0 18px 48px rgba(28,25,23,.12)}
.marketing-media img + img{margin:-64px 0 0 auto}

/* 步骤区：左侧编号时间轴，右侧配图（非对称两栏，承袭 ai-embroidery 的骨架） */
.steps{padding:0 0 120px}
.steps-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:72px;align-items:center}
.steps-list h2{margin-bottom:24px}
.step{display:grid;grid-template-columns:44px 1fr;gap:20px;padding:26px 0}
.step + .step{border-top:1px solid var(--hairline)}
.step-num{font-size:15px;font-weight:700;color:var(--coral-deep);background:var(--coral-tint);border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center}
.step h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.step p{color:var(--ink-soft);font-size:15.5px;margin-top:6px;max-width:56ch}
.steps-media img{border-radius:calc(var(--radius) + 6px);aspect-ratio:1/1;object-fit:cover;width:100%;box-shadow:20px 26px 70px rgba(232,80,63,.16)}

.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}
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}
  .benefits{padding:56px 0 96px}
  .benefits-grid{grid-template-columns:1fr}
  .products-grid{grid-template-columns:1fr;gap:36px}
  .marketing-grid{grid-template-columns:1fr;gap:48px}
  .marketing-media img{width:78%}
  .steps-grid{grid-template-columns:1fr;gap:40px}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .cta-band{margin:0 16px 96px}.cta-band:last-of-type{margin-bottom:16px}
  .wrap{padding:0 20px}
  .nav-links{display:none}
}

/* 内链区:发丝线上下夹的低调按钮排,不与珊瑚 CTA 争视觉焦点 */
.related{border-top:1px solid var(--hairline);padding:40px 0}
.related-eyebrow{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#78716c;margin:0 0 14px}
.related-links{display:flex;gap:12px;flex-wrap:wrap}
.related-links a{display:inline-block;padding:10px 18px;border:1px solid var(--hairline);border-radius:999px;color:var(--ink);text-decoration:none;font-weight:500;transition:border-color .2s,color .2s}
.related-links a:hover{border-color:var(--coral-deep);color:var(--coral-deep)}