/* Shared detail-page convention: hero, audience, contents, use, delivery, purchase, FAQ. */
.digital-product .product-skip{position:absolute;left:20px;top:-80px;z-index:30;padding:10px 16px;background:var(--forest);color:#fff}
.digital-product .product-skip:focus{top:10px}
.digital-product a:focus-visible,.digital-product button:focus-visible,.digital-product summary:focus-visible{outline:2px solid var(--forest);outline-offset:5px}
.digital-product .product-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px;color:var(--muted);font-size:13px}
.digital-product .product-breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.digital-product .product-hero{padding:36px 0 42px;border-bottom:1px solid var(--border-strong)}
.digital-product .product-hero-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,340px);gap:40px;align-items:start}
.digital-product .product-cover{min-width:0}
.digital-product .product-cover img{display:block;width:100%;height:auto;border:1px solid var(--border);border-radius:4px}
.digital-product .product-cover figcaption{margin-top:10px;color:var(--muted);font-size:12px;line-height:1.8}
.digital-product .product-title{max-width:1000px;font-family:var(--serif);font-size:clamp(32px,4.8vw,54px);line-height:1.3;overflow-wrap:anywhere}
.digital-product .product-lead{max-width:850px;margin:22px 0 0;color:var(--fg-soft);font-size:19px;line-height:1.85}
.digital-product .product-summary{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:24px;list-style:none;color:var(--forest);font-size:14px}
.digital-product .product-summary li{padding:7px 0;border-bottom:1px solid var(--border)}
.digital-product .product-buy-line{display:flex;align-items:center;flex-wrap:wrap;gap:14px 26px;margin-top:26px}
.digital-product .product-price{font-family:var(--serif);font-size:24px;font-weight:700}
.digital-product .product-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 22px;background:var(--forest);color:#fff;border:1px solid var(--forest);border-radius:3px;font:inherit;font-size:15px;line-height:1.6;cursor:pointer;text-align:center}
.digital-product .product-note{max-width:850px;margin-top:14px;color:var(--muted);font-size:14px;line-height:1.9}
.digital-product .product-jump{display:flex;flex-wrap:wrap;gap:6px 26px;padding:18px 0;border-bottom:1px solid var(--border);color:var(--forest);font-size:14px}
.digital-product .product-jump a{padding:8px 0;text-decoration:underline;text-underline-offset:4px}
.digital-product .product-section{padding:42px 0;border-bottom:1px solid var(--border);scroll-margin-top:88px}
.digital-product .product-section h2{font-family:var(--serif);font-size:clamp(24px,3vw,32px);line-height:1.45;margin-bottom:20px}
.digital-product .product-section h3{font-family:var(--serif);font-size:20px;line-height:1.6;margin-bottom:8px}
.digital-product .product-section p{max-width:880px;margin:10px 0;color:var(--fg-soft);font-size:15px;line-height:1.95}
.digital-product .product-section a:not(.product-button){color:var(--forest);text-decoration:underline;text-underline-offset:4px}
.digital-product .product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;border-top:1px solid var(--border-strong)}
.digital-product .product-module{min-width:0;padding:22px 0;border-bottom:1px solid var(--border);overflow-wrap:anywhere}
.digital-product .product-module .product-number{display:block;color:var(--accent);font-size:13px;margin-bottom:8px}
.digital-product .product-module p{margin:0;font-size:14px}
.digital-product .product-list{max-width:880px;padding-left:1.3em;color:var(--fg-soft);font-size:15px;line-height:1.95}
.digital-product .product-list li+li{margin-top:10px}
.digital-product .product-flow{margin:24px 0 0;padding:24px;background:var(--bg-alt);border:1px solid var(--border)}
.digital-product .product-flow figcaption{font-size:13px;color:var(--muted);margin-bottom:16px}
.digital-product .product-flow ol{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;list-style:none;counter-reset:product-step}
.digital-product .product-flow li{min-width:0;font-size:14px;line-height:1.8;counter-increment:product-step}
.digital-product .product-flow li::before{content:"0" counter(product-step);display:block;font-family:var(--serif);font-size:22px;color:var(--forest);margin-bottom:6px}
.digital-product .product-boundary{margin-top:24px;padding:18px 22px;border-left:2px solid var(--forest);background:var(--bg-alt)}
.digital-product .product-boundary h3{font-size:18px}
.digital-product .product-contact{margin-top:24px;padding:24px;border:1px solid var(--border-strong);background:var(--bg-alt)}
.digital-product .product-contact .product-wechat{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--forest);overflow-wrap:anywhere;user-select:all}
.digital-product .product-contact [role="status"]{min-height:1.9em;margin-top:10px}
.digital-product .product-faq{max-width:900px;border-top:1px solid var(--border-strong)}
.digital-product .product-faq details{padding:18px 0;border-bottom:1px solid var(--border)}
.digital-product .product-faq summary{font-size:16px;line-height:1.7;color:var(--fg);cursor:pointer}
.digital-product .product-related{display:flex;flex-wrap:wrap;gap:10px 24px;margin:20px 0;font-size:14px}
.digital-product .product-section .product-related-title{margin-top:26px}
.digital-product .product-back{padding:30px 0 40px;color:var(--forest);font-size:14px}
@media(max-width:700px){
 .digital-product .product-hero-layout{grid-template-columns:1fr;gap:24px}
 .digital-product .product-cover{max-width:360px;margin:0 auto}
 .digital-product .topic-nav-inner{gap:12px}
 .digital-product .topic-brand{font-size:13px}
 .digital-product .topic-back{font-size:12px;text-align:right}
 .digital-product .product-hero{padding:28px 0 32px}
 .digital-product .product-lead{font-size:17px}
 .digital-product .product-grid{grid-template-columns:1fr}
 .digital-product .product-flow{padding:20px 16px}
 .digital-product .product-flow ol{grid-template-columns:1fr;gap:18px}
 .digital-product .product-section{padding:30px 0}
 .digital-product .product-jump{gap:2px 20px}
 .digital-product .product-jump a{min-height:44px;display:flex;align-items:center}
 .digital-product .product-contact{padding:20px 16px}
 .digital-product .product-faq summary{min-height:44px;align-content:center}
}