/* Keep V16's three-image composition, with complete pictures and readable captions. */
#zhiguan{scroll-margin-top:110px}
.zhiguan-layout{grid-template-columns:minmax(270px,.65fr) minmax(0,1.35fr)}
.zg-screen img{height:auto;object-fit:contain}
.zg-screen>span{position:static;display:block;margin:0;border:0;border-radius:0;padding:14px 12px;background:#15191f;min-height:76px}
.zg-screen>span b{font-size:14px;line-height:1.5}
.zg-screen>span small{font-size:12px;line-height:1.6}
.zg-screen>span i{font-size:11px}
.zhiguan-gallery{align-items:start;min-width:0}
.zhiguan-gallery-tip{font-size:12px}
.zhiguan .product-copy{font-size:16px!important}
.zhiguan-value p,.zhiguan-tech-badges span{font-size:13px}
.tech-rd-copy>p{font-size:16px}.tech-proof-grid span,.tech-rd-note span{font-size:13px}
.product-viewer{box-sizing:border-box;width:min(760px,calc(100vw - 24px));max-width:none;max-height:calc(100dvh - 24px);margin:auto;padding:0;border:1px solid #ffffff2b;border-radius:20px;background:#101216;color:#fff8ef;overflow:auto;box-shadow:0 30px 100px #0009}
.product-viewer::backdrop{background:#050608e8;backdrop-filter:blur(10px)}
.preview-toolbar,.preview-toolbar>div,.preview-navigation{display:flex;align-items:center;justify-content:space-between;gap:16px}
.preview-toolbar{padding:10px 16px;font-size:14px;border-bottom:1px solid #ffffff1c}
.preview-toolbar a{color:#ffad94}
.product-viewer button{font:inherit;color:#fff8ef;border:1px solid #ffffff2b;background:#ffffff0a;cursor:pointer;border-radius:10px;min-height:44px;padding:8px 16px}
#previewClose{font-size:26px;width:44px;padding:0}
.preview-stage{background:#171c24;display:flex;justify-content:center;min-height:0}
.preview-stage img{display:block;max-width:100%;width:auto;height:auto;max-height:calc(100dvh - 260px);object-fit:contain}
.preview-caption{padding:16px 20px 0}.preview-caption h2{font-size:20px;line-height:1.4;letter-spacing:0;margin:0 0 6px}
.preview-caption p{font-size:14px;color:#bbb5ae;line-height:1.7;margin:0}
.preview-navigation{padding:14px 20px 18px;font-size:14px}
@media(max-width:1020px){.zhiguan-layout{grid-template-columns:1fr}.zhiguan-gallery{width:100%}}
@media(max-width:650px){.zhiguan-gallery{max-width:100%;scroll-padding-inline:15px}.zg-screen{flex-basis:84%}.zg-screen>span{min-height:72px}.zhiguan-gallery-tip{font-size:11px}.preview-caption{padding:12px 16px 0}.preview-caption h2{font-size:18px}.preview-navigation{padding:12px 16px}.preview-stage img{max-height:calc(100dvh - 290px)}.tech-proof-grid span{font-size:13px}.tech-rd-copy>p{font-size:15px}}