/* PC product only. No shared header, mobile, checkout or catalogue selectors. */
.product-detail-page{--pd-accent:#f56836;--pd-ink:#252b35;--pd-muted:#858b95;--pd-line:#ebedf0;--pd-radius:20px;background:#f6f7f9;color:var(--pd-ink);font-family:Arial,"Microsoft YaHei",sans-serif}
.product-detail-page .product-page-container{width:calc(100% - 64px);max-width:1400px;margin:0 auto}
.product-detail-page .product-course-hero-layout{background:transparent;padding-top:50px;padding-bottom:24px}
.product-detail-page .nav-bread{height:auto;min-height:0;padding:18px 0;font-size:12px;color:var(--pd-muted);line-height:20px}
.product-detail-page .nav-bread a{color:#777f89}
.product-detail-page .product-description .line-large{display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,1fr);gap:24px;margin:0;align-items:start}
.product-detail-page .product-description .line-large:after{display:none}
.product-detail-page .product-description .line-large>.product-overview{grid-column:1;grid-row:2;min-width:0}
.product-detail-page .product-description .line-large>.product-info-column{grid-column:2;grid-row:1 / span 2;position:sticky;top:106px;max-height:calc(100vh - 122px);max-height:calc(100dvh - 122px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#dfe3e9 transparent;align-self:start}
.product-detail-page .product-gallery-column,.product-detail-page .product-info-column{float:none;width:auto;min-width:0;padding:0}
.product-detail-page .product-gallery-column .padding-large-top{padding:0}
.product-detail-page .product-gallery-card{padding:0;background:transparent}
.product-detail-page .product-gallery{display:grid;grid-template-columns:64px minmax(0,1fr);gap:14px;align-items:start}
.product-detail-page .product-gallery-thumbs{display:flex;flex-direction:column;gap:10px;max-height:520px;overflow-y:auto;scrollbar-width:thin;padding:2px}
.product-detail-page .product-gallery-thumb{flex:0 0 60px;width:60px;height:60px;border:1px solid var(--pd-line);border-radius:12px;background:#fff;overflow:hidden;padding:3px;cursor:pointer;transition:border-color .15s}
.product-detail-page .product-gallery-thumb img{width:100%;height:100%;object-fit:contain;display:block}
.product-detail-page .product-gallery-thumb:hover{border-color:#ffbea6}
.product-detail-page .product-gallery-thumb.is-active{border:2px solid var(--pd-accent);padding:2px}
.product-detail-page .product-parameter-shortcut{flex:0 0 60px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;border:1px solid var(--pd-line);border-radius:12px;background:#eff1f4;color:#8a94a1;font-size:11px;cursor:pointer}
.product-detail-page .product-parameter-shortcut span{font-size:20px;line-height:20px}
.product-detail-page .product-parameter-shortcut.is-active{color:var(--pd-accent);border-color:#ffd4bf;background:#fff3ed}
.product-detail-page .product-gallery-main{position:relative;min-width:0;background:#fff;border:1px solid var(--pd-line);border-radius:var(--pd-radius);overflow:hidden;padding:12px}
.product-detail-page .product-gallery-stage{width:100%;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;border-radius:12px;overflow:hidden;background:#fff}
.product-detail-page .product-gallery-stage img{display:block;width:100%;height:100%;object-fit:contain}
.product-detail-page .product-gallery-nav{position:absolute;top:44%;z-index:2;width:32px;height:40px;border:1px solid var(--pd-line);border-radius:10px;background:rgba(255,255,255,.94);color:#59606b;font-size:26px;cursor:pointer;opacity:0;transition:opacity .15s}
.product-detail-page .product-gallery-nav-prev{left:20px}.product-detail-page .product-gallery-nav-next{right:20px}
.product-detail-page .product-gallery-main:hover .product-gallery-nav,.product-detail-page .product-gallery-nav:focus-visible{opacity:1}
.product-detail-page .product-media-tabs{display:flex;gap:4px;margin:12px auto 0;padding:4px;background:#f4f5f7;border-radius:12px;width:fit-content}
.product-detail-page .product-media-tabs button{border:0;background:transparent;border-radius:9px;padding:9px 20px;color:#858b95;font-size:12px;cursor:pointer}
.product-detail-page .product-media-tabs button.is-active{background:#fff;color:var(--pd-ink);box-shadow:0 1px 4px #242b3510}
.product-detail-page .product-gallery-parameters{aspect-ratio:1/1;overflow:auto;padding:10px;box-sizing:border-box}
.product-detail-page .product-info-column{background:#fff;border:1px solid var(--pd-line);border-radius:var(--pd-radius)}
.product-detail-page .product-info-column>.padding-large{padding:24px 26px}
.product-detail-page .product-info-column .article,.product-detail-page .product-info-column .post{padding:0;overflow:visible}
.product-detail-page .product-eyebrow{display:block;font-size:11px;letter-spacing:2px;color:var(--pd-muted);margin-bottom:10px}
.product-detail-page .product-info-column .post h1{font-size:24px;line-height:1.45;font-weight:700;margin:0;color:var(--pd-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.product-detail-page .product-info-column .post>.blank,.product-detail-page .product-info-column .post>.blank-small{display:none}
.product-detail-page .product-info-column .post p.product-course-subtitle{font-size:12px;color:#858b95;line-height:1.7;margin:10px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.product-detail-page .product-course-buy-card{margin-top:18px}
.product-detail-page .product-price-line{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;background:#fff5ef;border:1px solid #ffede2;border-radius:14px;padding:16px 18px;margin-bottom:16px}
.product-detail-page .product-price-caption{font-size:12px;color:#a87660;margin-right:2px}
.product-detail-page .product-info-column .ey-price{margin:0;color:var(--pd-accent);font-family:Arial,sans-serif;font-size:36px;line-height:1;font-weight:700;letter-spacing:-1px}
.product-detail-page .product-currency{font-size:20px;margin-right:4px;letter-spacing:0}
.product-detail-page .product-free-price{font-size:30px;letter-spacing:0}
.product-detail-page .product-old-price{font-size:12px;color:#97939a;text-decoration:line-through}
.product-detail-page .product-discount-badge{display:none;font-size:11px;color:#bc704d;gap:8px;align-items:center}
.product-detail-page .product-course-status{color:#647c98;font-size:12px;margin-bottom:14px}
.product-detail-page .ey-spec{max-height:190px;overflow-y:auto;scrollbar-width:thin;margin-bottom:16px;padding-right:2px}
.product-detail-page .ey-spec:empty{display:none}
.product-detail-page .ey-spec .row{display:grid;grid-template-columns:56px minmax(0,1fr);gap:12px;margin:0 0 12px;align-items:start}
.product-detail-page .ey-spec .row:after{display:none}
.product-detail-page .ey-spec .form-control-label{float:none;width:auto;padding:10px 0 0;margin:0;font-size:12px;color:var(--pd-muted);font-weight:normal;overflow-wrap:anywhere}
.product-detail-page .ey-spec .col-sm-10{float:none;width:auto;padding:0;display:flex;gap:8px;flex-wrap:wrap;min-width:0}
.product-detail-page .ey-spec .btn{display:inline-block;min-width:0;max-width:100%;margin:0;padding:9px 12px;background:#fff;border:1px solid #e3e6eb;border-radius:9px;color:#4b5260;font-size:12px;line-height:1.5;white-space:normal;overflow-wrap:anywhere;text-align:left;box-shadow:none;text-decoration:none}
.product-detail-page .ey-spec .btn:hover{border-color:#ffb595;color:var(--pd-accent)}
.product-detail-page .ey-spec .btn.btn-danger{border-color:var(--pd-accent);background:#fff5ef;color:#e76436}
.product-detail-page .ey-spec .btn[aria-disabled=true]{opacity:.4;background:#f4f5f7;border-color:#e6e8eb;color:#9198a1;cursor:not-allowed}
.product-detail-page .ey-number{display:inline-flex;align-items:center;gap:14px;margin:0 18px 14px 0;font-size:12px}
.product-detail-page .ey-number label{font-weight:normal;color:var(--pd-muted);margin:0}
.product-detail-page .btn-input{display:inline-flex;align-items:center;border:1px solid #e3e6eb;border-radius:9px;overflow:hidden;vertical-align:middle}
.product-detail-page .btn-input button{width:32px;height:34px;line-height:32px;font-size:18px;color:#646c78;background:#f8f9fb;border:0;padding:0;margin:0;cursor:pointer}
.product-detail-page .btn-input input{width:44px;height:34px;border:0;padding:0;margin:0;text-align:center;font-size:12px;box-shadow:none;background:#fff}
.product-detail-page .product-stock-row{font-size:11px;color:var(--pd-muted)}
.product-detail-page .product-action-area{position:relative;display:flex;align-items:center;gap:16px;margin:0 0 14px;flex-wrap:wrap;z-index:4}
.product-detail-page .product-share-action{position:relative}
.product-detail-page .product-share-button,.product-detail-page .product-xianyu-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 10px;border:1px solid #e8eaee;border-radius:8px;font-size:12px;line-height:20px;color:#69717d;background:#fff;cursor:pointer;box-shadow:none;text-decoration:none;height:auto}
.product-detail-page .product-share-button:hover,.product-detail-page .product-xianyu-button:hover{background:#f7f8fa;color:var(--pd-ink)}
.product-detail-page .product-share-tip,.product-detail-page .product-xianyu-tip{display:none}
.product-detail-page .product-xianyu-button>span:first-child{width:auto!important;height:auto!important;background:transparent!important;font-size:10px}
.product-detail-page .product-share-menu{display:none;position:absolute;top:40px;left:0;width:248px;padding:8px;border:1px solid var(--pd-line);border-radius:12px;background:#fff;box-shadow:0 8px 24px #252b3514;z-index:10}
.product-detail-page .product-share-action.is-open .product-share-menu{display:block}
.product-detail-page .product-share-menu-item{display:flex;gap:10px;align-items:center;width:100%;padding:10px 8px;border:0;background:#fff;border-radius:8px;text-align:left;text-decoration:none;cursor:pointer}
.product-detail-page .product-share-menu-item:hover{background:#f7f8fa}
.product-detail-page .product-share-menu-icon{width:26px;height:26px;line-height:26px;border-radius:8px;text-align:center;background:#f2f3f6;color:#76808d;font-size:12px;flex-shrink:0}
.product-detail-page .product-share-menu-title{display:block;font-size:12px;color:#343c48}
.product-detail-page .product-share-menu-desc{display:block;font-size:10px;color:#969da6;margin-top:3px}
.product-detail-page .product-share-menu-arrow{margin-left:auto;color:#aab0b8}
.product-detail-page .product-delivery-note{display:flex;gap:10px;border:1px solid #eef0f3;background:#f9fafb;padding:12px 14px;border-radius:12px;color:#818894;font-size:11px;line-height:1.65}
.product-detail-page .product-delivery-note-icon{display:flex;align-items:center;justify-content:center;flex:0 0 24px;height:24px;border-radius:7px;background:#eceff3;color:#7f8a98;font-size:12px}
.product-detail-page .product-delivery-note-copy strong{display:block;font-size:12px;color:#67717f;margin-bottom:3px;font-weight:600}
.product-detail-page .product-service-strip{font-size:11px;color:#a1a7af;padding:12px 0 0}
.product-detail-page .product-service-strip a{color:#6b7685;text-decoration:underline;text-underline-offset:3px}
.product-detail-page .product-purchase-dock{position:sticky;bottom:16px;margin-top:18px;padding:12px;border:1px solid var(--pd-line);border-radius:14px;background:#fff;box-shadow:0 6px 18px #252b3509;z-index:3}
.product-detail-page .ey-buyaction{display:grid;grid-template-columns:1fr 1.25fr;gap:10px;margin:0}
.product-detail-page .ey-buyaction a{display:flex;align-items:center;justify-content:center;width:auto;min-width:0;height:48px;padding:0 14px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.3;text-align:center;text-decoration:none;float:none;margin:0;transition:background .15s}
.product-detail-page .ey-buyaction .product-add-cart{background:#fff3ec;border:1px solid #ffe0cd;color:#e96a38}
.product-detail-page .ey-buyaction .ey-joinbuy{background:var(--pd-accent);border:1px solid var(--pd-accent);color:#fff}
.product-detail-page .ey-buyaction .ey-joinbuy:hover{background:#e95d2b}
.product-detail-page .ey-buyaction a[aria-disabled=true]{background:#f0f2f4;border-color:#eceef1;color:#a5abb3;cursor:not-allowed}
.product-detail-page .product-purchase-status{font-size:12px;margin:0 0 10px;color:#bf7352}
.product-detail-page .product-description+.blank-big,.product-detail-page .product-overview .blank-middle,.product-detail-page .product-overview .blank-big{display:none}
.product-detail-page .product-overview{background:transparent;padding-bottom:12px}
.product-detail-page .product-overview .product-page-container{width:100%;max-width:none;padding:0}
.product-detail-page .product-overview .layout.bg-white{background:transparent}
.product-detail-page .product-overview .tab-head{position:sticky;top:106px;z-index:8;border:0;background:#f6f7f9;padding:0 0 16px}
.product-detail-page .product-overview .tab-nav{display:flex;gap:8px;margin:0;padding:10px 14px;border:1px solid var(--pd-line);border-radius:14px;background:#fff;list-style:none;overflow-x:auto;white-space:nowrap}
.product-detail-page .product-overview .tab-nav li{float:none;margin:0;padding:0;border:0;background:transparent}
.product-detail-page .product-overview .tab-nav a{display:block;border:0;padding:10px 12px;font-size:13px;color:#7e8590;border-radius:9px;text-decoration:none}
.product-detail-page .product-overview .tab-nav li.active a{color:#ed7040;background:#fff3eb;border:0}
.product-detail-page .product-overview .tab-head .tab-nav li{flex:1;min-width:0}
.product-detail-page .product-overview .tab-head .tab-nav li a{width:auto;padding:10px 8px;line-height:20px;font-size:13px;text-align:center}
.product-detail-page .product-detail-layout,.product-detail-page .product-detail-main{display:block;width:100%;max-width:none;min-width:0}
.product-detail-page .product-overview .tab-body{border:0;padding:0}
.product-detail-page .product-overview .tab-panel,.product-detail-page .product-recommend-section{display:block;margin:0 0 18px;padding:28px 32px;border:1px solid var(--pd-line);border-radius:var(--pd-radius);background:#fff;scroll-margin-top:180px}
.product-detail-page .product-section-title,.product-detail-page .product-recommend-heading h2{font-size:18px;font-weight:600;color:#353d48;margin:0 0 22px}
.product-detail-page .product-parameter-list{display:grid;grid-template-columns:1fr;gap:0;margin:0;padding:0;list-style:none}
.product-detail-page .product-parameter-list li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:12px;padding:14px 18px;border-bottom:1px solid #f0f1f4;font-size:12px;line-height:1.7;overflow-wrap:anywhere}
.product-detail-page .product-parameter-list li span{color:#959da7}
.product-detail-page .product-parameter-list li strong{color:#515a68;font-weight:normal}
.product-detail-page .product-gallery-parameters .product-parameter-list{grid-template-columns:1fr}
.product-detail-page .product-gallery-parameters .product-parameter-list li{grid-template-columns:80px 1fr;padding:12px 0}
.product-detail-page .product-detail-content{font-size:14px;line-height:1.9;color:#4c5664;overflow:visible;overflow-wrap:anywhere;max-width:100%}
/* Editor-pasted fixed widths must reflow inside the detail column, not scroll or clip. */
.product-detail-page .product-detail-content,.product-detail-page .product-detail-content *{box-sizing:border-box!important;min-width:0!important;max-width:100%!important;white-space:normal!important;overflow-wrap:anywhere!important;word-break:normal!important}
.product-detail-page .product-detail-content :is(div,section,article,p,ul,ol,blockquote,pre){overflow:visible!important}
.product-detail-page .product-detail-content pre,.product-detail-page .product-detail-content pre *{white-space:pre-wrap!important}
.product-detail-page .product-detail-content img{display:block;max-width:100%!important;height:auto!important;margin:0 auto 18px}
.product-detail-page .product-detail-content table{display:table;width:100%!important;table-layout:fixed;overflow:visible;border-collapse:collapse;margin:16px 0}
.product-detail-page .product-detail-content td,.product-detail-page .product-detail-content th{width:auto!important;padding:10px;border:1px solid var(--pd-line)}
.product-detail-page .product-recommend-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.product-detail-page .product-recommend-more{font-size:12px;color:#969da7;text-decoration:none}
.product-detail-page .product-recommend-carousel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;overflow:visible}
.product-detail-page .product-recommend-card{display:block;min-width:0;border:1px solid var(--pd-line);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--pd-ink);padding:10px;transition:border-color .15s}
.product-detail-page .product-recommend-card:hover{border-color:#ffc5aa}
.product-detail-page .product-recommend-card img{display:block;width:100%;aspect-ratio:1/1;object-fit:contain;border-radius:9px;background:#f8f9fa}
.product-detail-page .product-recommend-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:12px 2px 8px;font-size:12px;line-height:1.7;min-height:40px}
.product-detail-page .product-recommend-price{display:block;margin:0 2px 6px;font-size:16px;color:var(--pd-accent)}
.product-detail-page .product-recommend-nav{display:none}
.product-detail-page .product-back-to-top{position:fixed;right:18px;bottom:24px;display:none;flex-direction:column;align-items:center;gap:4px;padding:10px;background:#fff;border:1px solid var(--pd-line);border-radius:12px;font-size:10px;color:#858d98;cursor:pointer;z-index:9}
.product-detail-page .product-back-to-top.is-visible{display:flex}
.product-detail-page [hidden]{display:none!important}
.product-detail-page .product-description :focus-visible,.product-detail-page .product-overview :focus-visible{outline:2px solid #f5a788;outline-offset:3px}
@media (max-width:1279px){.product-detail-page .product-page-container{width:calc(100% - 40px)}.product-detail-page .product-description .line-large{grid-template-columns:minmax(0,1fr) minmax(420px,1fr);gap:18px}.product-detail-page .product-gallery{grid-template-columns:56px minmax(0,1fr);gap:10px}.product-detail-page .product-gallery-thumb{width:52px;height:52px;flex-basis:52px}.product-detail-page .product-info-column>.padding-large{padding:20px}.product-detail-page .product-info-column .post h1{font-size:22px}.product-detail-page .product-recommend-carousel{grid-template-columns:repeat(4,minmax(0,1fr))}}
/* Defensive layout for a manually resized PC page; separate mobile template is untouched. */
@media (max-width:1023px){.product-detail-page .product-description .line-large{grid-template-columns:1fr}.product-detail-page .product-gallery-column{max-width:620px;margin:auto;width:100%}.product-detail-page .product-overview .tab-panel,.product-detail-page .product-recommend-section{padding:22px}.product-detail-page .product-parameter-list{grid-template-columns:1fr}.product-detail-page .product-purchase-dock{position:static}.product-detail-page .product-recommend-carousel{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:1024px) and (max-width:1279px){.product-detail-page .product-recommend-carousel{grid-template-columns:repeat(2,minmax(0,1fr))}.product-detail-page .product-overview .tab-panel,.product-detail-page .product-recommend-section{padding:22px}.product-detail-page .product-overview .tab-nav{gap:2px;padding:8px}.product-detail-page .product-overview .tab-nav a{padding:10px}}
@media (max-width:1023px){.product-detail-page .product-description .line-large>.product-info-column{grid-column:1;grid-row:auto;position:static;max-height:none;overflow:visible}.product-detail-page .product-description .line-large>.product-overview{grid-column:1;grid-row:auto}}