/* 面向商品选购的详情页：图库、信息、咨询操作三列。 */
body{background:#fff}
.nav-actions{display:flex;align-items:center;gap:17px}
.nav-shop{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;color:#45545e;white-space:nowrap}
.nav-shop:hover{color:#4765ed}
.nav-shop b{display:grid;place-items:center;min-width:18px;height:18px;padding:0 4px;border-radius:9px;color:#fff;background:#4765ed;font-size:10px}
.product-breadcrumb.shell,.product-hero.shell,.product-subnav .shell{width:min(1450px,calc(100% - 58px))}
.product-breadcrumb{padding-top:20px}
.product-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.92fr) 270px;gap:27px;align-items:start;min-height:0;padding-top:26px;padding-bottom:54px}
.product-media{display:grid;grid-template-columns:58px minmax(0,1fr);gap:9px 13px;min-width:0}
.product-media-main{grid-column:2;grid-row:1;position:relative;display:grid;place-items:center;aspect-ratio:1.12;background:#f7f8fa;border:1px solid #e7ebef;border-radius:10px;overflow:hidden}
.product-media-main img{display:block;width:100%;height:100%;object-fit:contain}
.product-media-main .product-hero-icon{box-shadow:none}
.media-kind{position:absolute;right:12px;bottom:12px;padding:6px 9px;border-radius:5px;background:#ffffffed;color:#53616b;font-size:10px;font-weight:700}
.media-rail{grid-column:1;grid-row:1;display:flex;flex-direction:column;gap:9px}
.media-thumb{width:58px;height:58px;display:grid;place-items:center;padding:3px;border:1px solid #dce2e7;border-radius:7px;background:#fff;overflow:hidden}
.media-thumb.active,.media-thumb:hover{border:2px solid #4765ed;padding:2px}
.media-thumb img,.media-thumb span{width:100%;height:100%;object-fit:cover;border-radius:4px}
.media-thumb span{background-size:400% 400%;background-position:var(--x) var(--y)}
.product-media>p{grid-column:2;margin:0;color:#8a969d;font-size:10px;line-height:1.5}
.product-hero-copy{min-width:0}
.product-eyebrow{color:#52716e;font-size:10px}
.product-mini-icon{width:34px;height:34px;border-radius:6px}
.product-hero h1{font-size:clamp(27px,2.7vw,39px);line-height:1.32;letter-spacing:-.045em;margin:15px 0 12px}
.product-hero-lead{font-size:17px;line-height:1.6;color:#293841;margin:0 0 12px}
.product-hero-description{font-size:12px;line-height:1.85;color:#5f6e77}
.hero-rule{height:1px;background:#e5e9ed;margin:22px 0 18px}
.hero-highlights-title{font-size:14px;letter-spacing:0;margin:0 0 10px}
.hero-highlights{margin:0;padding-left:19px;color:#45545f;font-size:12px;line-height:1.9}
.hero-highlights li::marker{color:#4765ed}
.product-facts{margin:21px 0 0;display:grid;gap:8px;font-size:11px}
.product-facts div{display:grid;grid-template-columns:68px 1fr;gap:8px}
.product-facts dt{color:#84929a}.product-facts dd{margin:0;color:#394954;font-weight:600}
.product-hero-links{margin-top:20px;gap:8px 17px}
.product-buy-box{position:sticky;top:102px;border:1px solid #dce3e8;border-radius:11px;padding:20px;background:#fff;box-shadow:0 5px 24px #1d33430b}
.buy-label{display:block;color:#6f7c85;font-size:11px;margin-bottom:3px}
.buy-price{font-size:24px;color:#263442;letter-spacing:-.04em}
.product-buy-box>p{font-size:11px;line-height:1.65;color:#687783;margin:11px 0 0}
.buy-divider{height:1px;background:#e9edf0;margin:18px 0}
.buy-fact{display:flex;justify-content:space-between;gap:8px;margin:10px 0;font-size:11px}
.buy-fact span{color:#7d8a92}.buy-fact b{color:#34434d}
.buy-primary,.buy-secondary{width:100%;min-height:39px;border:0;border-radius:20px;display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:13px}
.buy-primary{background:#4765ed;color:#fff}.buy-primary:hover{background:#3151d7}
.buy-secondary{background:#eef2ff;color:#3854c8}.buy-secondary:hover{background:#e3eaff}
.buy-tools{display:flex;gap:6px;margin-top:15px}
.buy-tools button{flex:1;min-height:32px;background:#fff;border:1px solid #dfe5e9;border-radius:6px;color:#4c5b65;font-size:10px}
.buy-tools button[aria-pressed="true"]{color:#415fd7;border-color:#becaf9;background:#f5f7ff}
.share-product{border:0;background:none;padding:12px 0 2px;color:#5369ba;font-size:10px;font-weight:700}
.product-buy-box .buy-note{border-top:1px solid #eef1f3;padding-top:11px;margin-top:10px;font-size:9px;color:#98a3a9}
.product-subnav{top:78px}
.faq-section{background:#f7f9fb}
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
.faq-list details{background:#fff;border:1px solid #e1e7ec;border-radius:10px;padding:18px 20px;align-self:start}
.faq-list summary{cursor:pointer;font-size:13px;font-weight:700;color:#283640;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';font-size:19px;line-height:1;color:#6376ce}
.faq-list details[open] summary::after{content:'−'}
.faq-list p{font-size:12px;line-height:1.8;color:#667680;margin:13px 0 0}
.product-mobile-actions{display:none}
.recent-section{background:#fff;border-top:1px solid #e6ecf0}.recent-section .product-section-heading>a{color:#4765ed;font-size:12px;font-weight:700}
@media(max-width:1200px){.product-hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.product-buy-box{position:static;grid-column:2}.product-media{grid-row:span 2}}
@media(max-width:800px){body{padding-bottom:70px}.nav-shop{display:none}.nav-actions{margin-left:auto}.product-hero{grid-template-columns:1fr;gap:24px}.product-media{grid-row:auto}.product-buy-box{grid-column:auto}.product-media-main{aspect-ratio:1.25}.faq-list{grid-template-columns:1fr}.product-mobile-actions{position:fixed;z-index:40;inset:auto 0 0;display:flex;align-items:center;gap:8px;padding:10px max(14px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left));background:#fffffff5;border-top:1px solid #dfe5e9;box-shadow:0 -8px 25px #1a2b3912}.product-mobile-actions a,.product-mobile-actions button{font-size:11px;font-weight:700;white-space:nowrap}.product-mobile-actions a:first-child{padding:10px 4px;color:#52626d}.product-mobile-actions b{color:#4765ed}.product-mobile-actions button{flex:1;border:0;border-radius:6px;background:#4765ed;color:#fff;padding:11px 9px}.product-mobile-actions a:last-child{background:#edf2ff;color:#3c58c8;padding:11px 9px;border-radius:6px}}
@media(max-width:520px){.product-breadcrumb.shell,.product-hero.shell,.product-subnav .shell{width:calc(100% - 28px)}.product-media{grid-template-columns:1fr}.product-media-main{grid-column:1;grid-row:1;aspect-ratio:1.2}.media-rail{grid-column:1;grid-row:2;flex-direction:row;overflow-x:auto}.product-media>p{grid-column:1}.product-hero{padding-top:18px}.product-buy-box{padding:17px}.product-hero h1{font-size:30px}}