/* 产品中心专用：四个一级分类与动物模型子分类。 */
.pc-shell{width:calc(100% - 80px);margin-inline:auto}
.pc-banner{position:relative;isolation:isolate;background:#ecf4f8;overflow:hidden}
.pc-slides{position:relative;width:100%;max-width:100%;height:auto;aspect-ratio:3/1;overflow:hidden;background:linear-gradient(180deg,#c8ddee,#eef7fb 35%,#fff 75%,#d9f0f9)}
.pc-slide{position:absolute;inset:0;margin:0;opacity:0;visibility:hidden;transition:opacity .65s ease,visibility .65s ease}
.pc-slide.is-active{opacity:1;visibility:visible}
.pc-slide img{width:100%;height:100%;object-fit:contain}
.pc-slide-intro>img{object-fit:cover;object-position:center 52%}
.pc-slide-intro:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f5fafefc 0%,#f5fafef0 27%,#f5fafed1 43%,#e9f4fb30 65%,transparent 85%),linear-gradient(0deg,#122e5030,transparent 23%);pointer-events:none}
.pc-hero-copy{width:min(1400px,calc(100% - 80px));position:absolute;inset:0;display:flex;align-items:flex-start;padding-top:83px;z-index:1;pointer-events:none}
.pc-hero-copy>div{width:100%;max-width:620px;min-width:0}
.pc-hero-copy .eyebrow{font-size:11px;font-weight:500;letter-spacing:.2em;color:#578aaa;margin:0 0 26px}
.pc-hero-copy h1{font-size:56px;font-weight:600;line-height:1.25;letter-spacing:.025em;color:#125980;margin:0 0 12px}
.pc-lead{max-width:600px;color:#365f7b;font-size:18px;line-height:2;margin:0}
.pc-catalog{padding:49px 0 80px;background:linear-gradient(180deg,#f7fafc,#fff);scroll-margin-top:98px}
.pc-filter-panel{background:#fff;border:1px solid #dce8f0;border-radius:9px;box-shadow:0 8px 25px #285f7f04;overflow:hidden;margin-bottom:39px}
.pc-filter-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:25px 27px 23px}
.pc-filter-heading h2{font-size:20px;font-weight:600;color:#23526f;margin:0}
.pc-category-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid #e8f0f5}
.pc-category-tabs button{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:24px 27px 25px;background:#fff;border:0;text-align:left;color:#5c7a8e;transition:background .2s,color .2s}
.pc-category-tabs button+button{border-left:1px solid #e8f0f5}
.pc-category-tabs button:after{content:"";position:absolute;bottom:0;left:27px;right:27px;height:3px;background:transparent;border-radius:3px 3px 0 0}
.pc-category-tabs strong{font-size:18px;font-weight:550;line-height:1.5}
.pc-category-tabs small{font-size:11px;color:#8fa6b5;line-height:1.8}
.pc-category-tabs button:hover{background:#f8fcff}
.pc-category-tabs button.is-active{background:linear-gradient(120deg,#edf7fe,#f6fbff);color:#206b99}
.pc-category-tabs button.is-active:after{background:#2e89bd}
.pc-animal-line{display:flex;align-items:center;gap:24px;padding:21px 27px;border-top:1px solid #e8f0f5;background:#fbfdff}
.pc-animal-label{font-size:12px;color:#819bab;white-space:nowrap}
.pc-animal-options{display:flex;flex-wrap:wrap;gap:9px}
.pc-animal-options button{border:1px solid transparent;background:none;border-radius:5px;padding:6px 16px;font-size:12px;color:#7897aa;line-height:1.7}
.pc-animal-options button:hover{background:#edf6fc}
.pc-animal-options button.is-active{background:#e9f5fd;border-color:#d4e9f7;color:#2075a7}
.pc-reset{margin-left:auto;border:0;background:none;color:#90a5b3;font-size:11px;padding:7px 0;white-space:nowrap}
.pc-reset:hover{color:#2674a1}
.pc-results-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px}
.pc-results-heading h2{font-size:24px;font-weight:600;color:#285775;margin:0;line-height:1.6}
.pc-results-heading p{font-size:12px;color:#8ea5b5;margin:0;text-align:right}
.pc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;align-items:stretch}
.pc-card{display:flex;flex-direction:column;min-width:0;overflow:hidden;border:1px solid #dce8f0;border-radius:7px;background:#fff;color:#29536c;transition:border-color .2s,box-shadow .2s,transform .2s}
.pc-card:hover{color:#29536c;border-color:#9bc9e3;box-shadow:0 10px 26px #285f7f0c;transform:translateY(-3px)}
.pc-card-photo{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:1.25;padding:35px 25px 22px;background:radial-gradient(ellipse at 50% 43%,#fff,#eff6fa);overflow:hidden}
.pc-card-photo img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .25s}
.pc-card:hover .pc-card-photo img{transform:scale(1.035)}
.pc-card-meta{display:flex;align-items:baseline;justify-content:space-between;gap:8px;padding:14px 17px 0;font-size:10px;line-height:1.7}
.pc-card-type{min-width:0;color:#7899ae;overflow-wrap:anywhere}
.pc-card-code{flex:0 0 auto;color:#7a9cb2;text-align:right;white-space:nowrap}
.pc-card-art{width:100%;height:100%;max-height:180px}
.pc-material-fragment{position:relative;display:block;height:100%;max-width:100%;overflow:hidden;flex-shrink:0}
.pc-card-photo .pc-material-fragment img{position:absolute;max-width:none;object-fit:fill;mix-blend-mode:normal;transform:none}
.pc-card-copy{display:flex;flex-direction:column;flex:1;padding:21px 20px 18px}
.pc-card h3{font-size:16px;font-weight:600;line-height:1.65;color:#285877;margin:0;text-align:center;overflow-wrap:anywhere}
.pc-card-copy>p{font-size:12px;line-height:1.85;color:#8299a9;margin:0 0 18px;overflow-wrap:anywhere}
.pc-card-copy>.pc-card-spec{display:flex;flex-wrap:wrap;gap:6px;align-items:flex-start;align-content:flex-start;min-height:3.7em}
.pc-card-spec-item{display:inline-block;flex:0 1 auto;min-width:0;max-width:100%;padding:3px 6px;border:1px solid #cfe3ef;border-radius:3px;background:#f1f8fc;color:#527a93;line-height:1.65;white-space:normal;overflow-wrap:anywhere}
.pc-more{display:flex;align-items:center;justify-content:center;gap:0;width:100%;position:relative;padding:35px 20px;min-height:340px;background:linear-gradient(145deg,#f2f9fe,#fff);box-shadow:inset 0 0 0 5px #ffffff88;text-align:center}
.pc-more-icon{display:grid;place-items:center;width:62px;height:62px;border:1px solid #cfe5f2;border-radius:50%;background:#fff;color:#539ac0;font-size:30px;font-weight:300;margin-bottom:20px}
.pc-more strong{font-size:15px;font-weight:500;letter-spacing:.08em;color:#5287a5;line-height:1.7}
.pc-more small{font-size:11px;color:#92adbd;line-height:1.9;margin-top:8px}
.pc-empty{border:1px solid #dce8f0;border-radius:8px;background:#fff;padding:50px 25px;text-align:center}
.pc-empty h3{font-size:22px;font-weight:550;color:#3d6e8a;margin-bottom:13px}
.pc-empty p{font-size:13px;color:#8ba1af;margin-bottom:24px}
.pc-loading{color:#829eae;padding:45px 15px;text-align:center}
.pc-sr-only{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1180px){.pc-shell{width:calc(100% - 48px)}.pc-category-tabs button{padding:22px}.pc-grid{gap:18px}.pc-card-photo{padding:34px 20px 21px}.pc-card-copy{padding:18px 17px}.pc-card h3{font-size:15px}}
@media(max-width:980px){.pc-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.pc-category-tabs button{padding:20px 17px}.pc-category-tabs strong{font-size:16px}.pc-category-tabs small{font-size:10px}.pc-category-tabs button:after{left:17px;right:17px}.pc-more{min-height:300px}}
@media(max-width:700px){.pc-catalog{padding:33px 0 55px}.pc-filter-heading{padding:20px;flex-direction:column;align-items:stretch;gap:16px}.pc-filter-heading h2{font-size:18px}.pc-category-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.pc-category-tabs button{padding:18px 20px}.pc-category-tabs button:nth-child(3){border-left:0}.pc-category-tabs button:nth-child(n+3){border-top:1px solid #e8f0f5}.pc-category-tabs button:after{left:20px;right:20px;height:2px}.pc-category-tabs strong{font-size:16px}.pc-category-tabs small{font-size:10px}.pc-animal-line{align-items:flex-start;gap:14px;padding:18px 20px;flex-wrap:wrap}.pc-animal-label{padding-top:6px}.pc-animal-options{gap:5px}.pc-animal-options button{font-size:12px;padding:5px 10px}.pc-reset{padding-top:6px}.pc-filter-panel{margin-bottom:28px}.pc-results-heading{gap:15px;margin-bottom:20px}.pc-results-heading h2{font-size:21px}.pc-results-heading p{font-size:11px}.pc-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.pc-card-photo{padding:30px 18px 18px}.pc-card h3{font-size:14px}.pc-card-copy{padding:17px 15px}.pc-card-copy>p{font-size:11px}.pc-more{min-height:310px}}
@media(max-width:480px){.pc-shell{width:calc(100% - 36px)}.pc-filter-heading{padding:18px 17px}.pc-category-tabs button{padding:17px}.pc-category-tabs strong{font-size:15px}.pc-category-tabs small{font-size:9.5px}.pc-category-tabs button:after{left:17px;right:17px}.pc-animal-line{padding:16px 17px;gap:10px}.pc-animal-label{flex-basis:100%;padding-top:0;font-size:11px}.pc-animal-options{gap:4px}.pc-animal-options button{padding:5px 10px;font-size:11px}.pc-reset{font-size:10px;margin-left:0;flex-basis:100%;text-align:left;padding-top:2px}.pc-results-heading h2{font-size:20px}.pc-results-heading p{font-size:10px;max-width:90px}.pc-grid{gap:11px}.pc-card-photo{aspect-ratio:1.06;padding:28px 12px 17px}.pc-card-copy{padding:14px 12px}.pc-card h3{font-size:13px}.pc-card-copy>p{font-size:10.5px;line-height:1.8;margin-bottom:12px}.pc-more{min-height:280px;padding:25px 12px}.pc-more-icon{width:49px;height:49px;font-size:27px;margin-bottom:16px}.pc-more strong{font-size:13px}.pc-more small{font-size:10px}}
@media(max-width:360px){.pc-grid{grid-template-columns:minmax(0,1fr)}.pc-card-photo{aspect-ratio:1.5;padding:32px 24px 22px}.pc-card-copy{padding:18px}.pc-more{min-height:300px}.pc-animal-options button{padding-inline:9px}}
@media(min-width:1700px){.pc-hero-copy{padding-top:99px}.pc-hero-copy h1{font-size:60px}}
@media(max-width:1400px){.pc-hero-copy{padding-top:48px}.pc-hero-copy h1{font-size:52px}.pc-lead{font-size:17px;line-height:1.9}}
/* 窄屏保留稳定的文字空间；器械横幅始终按原比例铺满宽度。 */
@media(max-width:1180px){.pc-slides{height:420px;aspect-ratio:auto}.pc-slide:not(.pc-slide-intro)>img{position:absolute;top:50%;left:0;width:100%;height:auto;aspect-ratio:3/1;transform:translateY(-50%)}.pc-slide:nth-child(2){background:linear-gradient(180deg,#4f82b0 40%,#31b1d8 60%)}.pc-slide:nth-child(3){background:#eceeed}.pc-hero-copy h1{font-size:48px}.pc-lead{max-width:540px}}
@media(max-width:980px){.pc-hero-copy{padding-top:48px}.pc-hero-copy h1{font-size:44px}.pc-hero-copy>div{max-width:540px}}
@media(max-width:700px){.pc-slides{height:360px}.pc-slide-intro:after{background:linear-gradient(180deg,#f5fafefc 0%,#f5fafef5 30%,#f5fafedb 53%,#f5fafe28 82%,#0a365155 100%)}.pc-slide-intro>img{object-position:58% center}.pc-hero-copy{padding-top:38px}.pc-hero-copy>div{max-width:440px}.pc-hero-copy .eyebrow{font-size:9px;margin-bottom:20px}.pc-hero-copy h1{font-size:38px;margin-bottom:10px}.pc-lead{font-size:15px;line-height:2}}
@media(max-width:480px){.pc-hero-copy h1{font-size:36px}.pc-lead{font-size:14.5px}}
@media(max-width:360px){.pc-hero-copy h1{font-size:34px}.pc-lead{font-size:14px}}
@media(prefers-reduced-motion:reduce){.pc-slide,.pc-card,.pc-card-photo img{transition:none}}

/* 所有产品共享同一图框，原图按比例完整呈现。 */
.pc-card .pc-card-photo{aspect-ratio:4/3;flex:0 0 auto;min-height:0;padding:0;background:#fff}
.pc-card-media{position:absolute;inset:12px 20px 20px;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0}
.pc-card-media>img{display:block;width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;object-position:center;mix-blend-mode:normal}
.pc-card:is([data-product-category="consumables"],[data-product-category="repair"]) .pc-card-media>img{width:auto;height:auto}
.pc-card-media>.pc-material-fragment{flex:0 0 auto;max-width:100%;max-height:100%;background:#fff}
.pc-card:hover .pc-card-media .pc-material-fragment img{transform:none}
@media(max-width:700px){.pc-card-media{inset:8px 16px 16px}}
@media(max-width:480px){.pc-card-meta{padding:10px 12px 0;font-size:9px}.pc-card-media{inset:8px 12px 13px}.pc-card-copy h3{margin:0}}