/* KB100 / KB150 / KB350 body only. Public components are reused unchanged. */
.kb-product-page{--ec-red:#e60012;--ec-ink:#252c31;--ec-muted:#61707b;--ec-line:#dde3e8;background:#f4f6f8;color:var(--ec-ink);font-family:inherit;line-height:1.7}
.kb-product-page *{box-sizing:border-box}.kb-product-page a{text-decoration:none}.kb-product-page img{max-width:100%;display:block}.kb-product-page button{font:inherit}
.kb-product-page .kp-hero{position:relative;isolation:isolate;min-height:300px;display:flex;align-items:center;overflow:hidden;background:#1f262b;color:white}
.kb-product-page .kp-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 57%;z-index:-2}
.kb-product-page .kp-hero:after{content:"";position:absolute;inset:0;background:#11171c80;z-index:-1}
.kb-product-page .kp-hero-copy{padding:30px 32px;max-width:880px}.kb-product-page .kp-hero-copy>span{font-size:12px;letter-spacing:1.7px;color:#fff;font-weight:600}
.kb-product-page .kp-hero h1{color:#fff;font-size:30px;line-height:1.4;font-weight:650;margin:9px 0 5px}.kb-product-page .kp-hero h1 b{font-weight:750}
.kb-product-page .kp-hero p{margin:7px 0 0;font-size:16px;color:#fff}.kb-product-page .kp-hero .kp-english{font-size:14px;line-height:1.5;color:#e4e8eb}
.kb-product-page .kp-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.kb-product-page .kp-button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:9px 18px;background:#e60012;color:#fff;border:1px solid #e60012;font-size:14px;font-weight:600;line-height:1.5}
.kb-product-page .kp-button:hover{background:#c70010;color:#fff}.kb-product-page .kp-button.kp-outline{background:transparent;border-color:#cbd2d7;color:white}
.kb-product-page .kp-icon{width:40px;height:40px;stroke:#e60012;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.kb-product-page .kp-strengths{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:18px 0;background:#fff;border-bottom:1px solid #dfe4e8}
.kb-product-page .kp-strengths>div{display:flex;gap:12px;padding:0 18px;border-right:1px solid #e3e7ea;align-items:center}.kb-product-page .kp-strengths>div:last-child{border:0}
.kb-product-page .kp-strengths p{margin:0}.kb-product-page .kp-strengths b{font-size:16px;display:block;line-height:1.4;color:#252c31}.kb-product-page .kp-strengths span{font-size:13px;display:block;color:#64717b;margin-top:4px}
.kb-product-page .kp-section{padding-top:28px;scroll-margin-top:100px}.kb-product-page .kp-heading{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 12px;margin-bottom:15px}
.kb-product-page .kp-heading h2{margin:0;padding-left:11px;border-left:3px solid #e60012;font-size:23px;line-height:1.35;color:#252c31}.kb-product-page .kp-heading>span{font-size:11px;color:#697680;line-height:1.5}
.kb-product-page .kp-overview{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}.kb-product-page .kp-overview p{font-size:15px;line-height:1.85;margin:0 0 10px;color:#4b5862}
.kb-product-page .kp-photo{margin:0;min-width:0}.kb-product-page .kp-photo>button{position:relative;display:block;width:100%;padding:0;border:0;background:#f3f5f6;cursor:zoom-in;overflow:hidden}
.kb-product-page .kp-photo img{width:100%;aspect-ratio:1.8;object-fit:cover;transition:transform .18s ease}.kb-product-page .kp-photo button:hover img{transform:scale(1.02)}
.kb-product-page .kp-photo button>span{position:absolute;right:8px;bottom:8px;background:#ffffffdc;color:#3b4751;padding:0 7px;font-size:16px}.kb-product-page .kp-photo figcaption{font-size:12px;color:#687680;padding:6px 0}
.kb-product-page .kp-spec-line{display:flex;gap:18px;flex-wrap:wrap;padding-top:10px;border-top:1px solid #e3e7ea;font-size:14px;color:#4c5963}.kb-product-page .kp-spec-line b{color:#c60011;font-weight:600}
.kb-product-page .kp-performance{display:grid;grid-template-columns:.85fr 1.35fr;gap:20px;align-items:start}.kb-product-page .kp-chart-panel{background:#f7f8f9;padding:16px 18px 6px;min-width:0;border:1px solid #e3e7ea}
.kb-product-page .kp-chart-panel h3{font-size:19px;margin:0 0 3px;color:#252c31}.kb-product-page .kp-chart-panel>p{font-size:12px;color:#687680;margin:0}
.kb-product-page .kp-bar-chart{width:100%;height:auto;display:block}.kb-product-page .kp-grid{stroke:#dfe4e8;stroke-width:1;fill:none}.kb-product-page .kp-tick{font-size:12px;fill:#64717c}
.kb-product-page .kp-difference{font-size:23px;fill:#d50012;font-weight:700}.kb-product-page .kp-bar-0{fill:#aab3bb}.kb-product-page .kp-bar-1{fill:#e60012}
.kb-product-page .kp-chart-value{font-size:18px;font-weight:700}.kb-product-page .kp-chart-label{font-size:13px;font-weight:600}.kb-product-page .kp-value-0{fill:#4c5862}.kb-product-page .kp-value-1{fill:#d00012}
.kb-product-page .kp-table-scroll{overflow:auto;max-width:100%;border:1px solid #dfe4e8}
.kb-product-page table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.65;font-variant-numeric:tabular-nums;color:#46535d;background:#fff}
.kb-product-page th,.kb-product-page td{border:1px solid #e1e6ea;padding:9px 10px;text-align:left;vertical-align:middle}
.kb-product-page thead th{background:#edf0f3;color:#3a4650;font-weight:600}.kb-product-page tbody th{background:#f8f9fa;font-weight:500;color:#3e4b56}
.kb-product-page .kp-own-head{background:#e60012;color:white;text-align:center}.kb-product-page .kp-own{color:#c90011;font-weight:600;text-align:center}
.kb-product-page .kp-performance table{min-width:510px}.kb-product-page .kp-performance td:nth-child(3){text-align:center;white-space:nowrap}.kb-product-page .kp-performance td:last-child{color:#697680;font-size:12px}
.kb-product-page .kp-note{font-size:12px;line-height:1.7;color:#687680;margin:10px 0 0}.kb-product-page .kp-reference-pair{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start}
.kb-product-page .kp-reference-pair .kp-heading h2{font-size:21px}.kb-product-page .kp-reference-pair table{font-size:12px}.kb-product-page .kp-reference-pair td,.kb-product-page .kp-reference-pair th{padding:8px 9px}
.kb-product-page .kp-market table{min-width:480px}.kb-product-page .kp-current-row th,.kb-product-page .kp-current-row td{background:#fff7f7;color:#c90011;font-weight:600}
.kb-product-page .kp-market a{color:#5a6872;text-decoration:underline;text-decoration-color:#d3dbe0;text-underline-offset:3px}.kb-product-page .kp-market td:nth-child(3){white-space:nowrap}
.kb-product-page .kp-compat-intro{font-size:13px;line-height:1.7;color:#56636d;margin:0 0 10px}.kb-product-page .kp-status{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-size:12px}
.kb-product-page .kp-status:before{content:"";width:8px;height:8px;border-radius:50%;display:block}.kb-product-page .kp-compatible:before{background:#e60012}.kb-product-page .kp-assess:before{background:#fff;border:1.5px solid #9aa6af}
.kb-product-page .kp-section-intro{font-size:14px;line-height:1.7;color:#586570;margin:-4px 0 15px}.kb-product-page .kp-process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;list-style:none;padding:0;margin:0}
.kb-product-page .kp-process li{min-width:0;position:relative}.kb-product-page .kp-process li:not(:last-child):after{content:"›";position:absolute;right:-14px;top:35px;font-size:32px;font-weight:600;color:#e60012}
.kb-product-page .kp-process .kp-photo img{aspect-ratio:1.45;object-fit:cover}.kb-product-page .kp-step-heading{display:flex;gap:8px;align-items:center;margin-top:11px}
.kb-product-page .kp-step-heading>span{color:#e60012;font-weight:700;font-size:17px}.kb-product-page .kp-step-heading h3{font-size:15px;line-height:1.5;color:#303b44;margin:0}
.kb-product-page .kp-process li>p{font-size:13px;line-height:1.75;color:#5d6b76;margin:6px 0 0}.kb-product-page .kp-areas{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid #e1e6ea}
.kb-product-page .kp-areas>div{padding:16px 10px;text-align:center;border-right:1px solid #e1e6ea}.kb-product-page .kp-areas>div:last-child{border:0}.kb-product-page .kp-areas .kp-icon{margin:auto;width:34px;height:34px}
.kb-product-page .kp-areas h3{font-size:14px;line-height:1.5;margin:8px 0 3px;color:#303c46}.kb-product-page .kp-areas p{font-size:12px;color:#65737e;margin:0}
.kb-product-page .kp-cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.kb-product-page .kp-cases h3{font-size:15px;line-height:1.5;margin:9px 0 0;color:#34414b}
.kb-product-page .kp-case-link{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:11px 0;border-bottom:1px solid #e2e7ea}.kb-product-page .kp-case-link p{font-size:13px;color:#63717c;margin:0}.kb-product-page .kp-case-link>a{font-size:14px;color:#c90011;white-space:nowrap}
.kb-product-page .kp-cta{padding:22px;background:#f4f6f7;border-top:2px solid #e60012;margin-top:28px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.kb-product-page .kp-cta h2{font-size:23px;line-height:1.5;margin:0 0 8px;color:#29343d}.kb-product-page .kp-cta p{font-size:14px;color:#56656f;margin:0;line-height:1.8}.kb-product-page .kp-cta>div:last-child{display:flex;flex-direction:column;gap:10px}.kb-product-page .kp-text-link{font-size:13px;color:#4d5b65}
.kp-lightbox{border:0;background:#fff;padding:20px;max-width:min(1100px,94vw);max-height:94vh}.kp-lightbox::backdrop{background:#0b1118d9}.kp-lightbox>img{display:block;max-height:78vh;max-width:100%;width:auto;height:auto;object-fit:contain;margin:auto}.kp-lightbox-close{position:absolute;right:6px;top:2px;border:0;background:white;font-size:28px;cursor:pointer;width:40px;height:40px}.kp-lightbox>p{font-size:14px;line-height:1.6;color:#48555f;margin:12px 0 0}
@media(max-width:1150px){.kb-product-page .kp-performance{grid-template-columns:.85fr 1.15fr}.kb-product-page .kp-reference-pair{grid-template-columns:1fr}.kb-product-page .kp-market table{min-width:650px}.kb-product-page .kp-strengths>div{padding:0 12px;gap:8px}.kb-product-page .kp-strengths .kp-icon{width:32px;height:32px}.kb-product-page .kp-strengths b{font-size:15px}}
@media(max-width:900px){.kb-product-page .kp-overview{grid-template-columns:1fr 1fr;gap:18px}.kb-product-page .kp-performance{grid-template-columns:1fr}.kb-product-page .kp-bar-chart{max-width:470px;margin:auto}.kb-product-page .kp-process{grid-template-columns:repeat(3,minmax(0,1fr))}.kb-product-page .kp-process li:after{display:none}.kb-product-page .kp-hero h1{font-size:28px}.kb-product-page .kp-strengths{grid-template-columns:1fr 1fr;gap:18px 0}.kb-product-page .kp-strengths>div:nth-child(2){border:0}}
@media(max-width:650px){.kb-product-page .kp-hero{min-height:350px}.kb-product-page .kp-hero-copy{padding:25px 20px}.kb-product-page .kp-hero h1{font-size:27px;line-height:1.45}.kb-product-page .kp-hero h1 b{display:block;font-size:32px}.kb-product-page .kp-hero>img{object-position:55% center}.kb-product-page .kp-hero p{font-size:15px}.kb-product-page .kp-hero-actions .kp-button{font-size:13px;padding:9px 12px}.kb-product-page .kp-overview{grid-template-columns:1fr}.kb-product-page .kp-heading h2{font-size:22px}.kb-product-page .kp-section{padding-top:24px;scroll-margin-top:130px}.kb-product-page .kp-strengths{padding:16px 0}.kb-product-page .kp-strengths b{font-size:14px}.kb-product-page .kp-strengths span{font-size:12px}.kb-product-page .kp-strengths>div{padding:0 9px}.kb-product-page .kp-strengths .kp-icon{width:28px;height:28px}.kb-product-page .kp-process{grid-template-columns:1fr 1fr;gap:18px 14px}.kb-product-page .kp-process li>p{font-size:14px}.kb-product-page .kp-process li:last-child{grid-column:auto}.kb-product-page .kp-areas{grid-template-columns:1fr 1fr}.kb-product-page .kp-areas>div{border-bottom:1px solid #e1e6ea}.kb-product-page .kp-areas>div:nth-child(2n){border-right:0}.kb-product-page .kp-areas>div:last-child{grid-column:1/-1}.kb-product-page .kp-cases{grid-template-columns:1fr}.kb-product-page .kp-case-link{align-items:flex-start;flex-direction:column;gap:8px}.kb-product-page .kp-cta{grid-template-columns:1fr;padding:20px 16px;gap:18px}.kb-product-page .kp-cta h2{font-size:22px}.kb-product-page .kp-cta p{font-size:15px}.kb-product-page .kp-reference-pair table{font-size:13px}.kb-product-page .kp-performance table{font-size:14px}.kb-product-page .kp-note{font-size:13px}.kb-product-page .kp-reference-pair .kp-heading h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){.kb-product-page .kp-photo img{transition:none}}

.kb-product-page .ec-side nav[aria-label="耐磨带型号"] a{font-weight:600}
.kb-product-page .kp-reference-pair{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
.kb-product-page .kp-market,.kb-product-page .kp-compat{min-width:0}
.kb-product-page .kp-compat table{min-width:0;table-layout:fixed}
@media(max-width:1150px){.kb-product-page .kp-reference-pair{grid-template-columns:minmax(0,1fr)}}

.kb-product-page .kp-performance-table{min-width:0}
.kb-product-page .kp-performance{grid-template-columns:minmax(0,.85fr) minmax(0,1.35fr)}
@media(max-width:1150px){.kb-product-page .kp-performance{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}}
@media(max-width:900px){.kb-product-page .kp-performance{grid-template-columns:minmax(0,1fr)}}

/* Hero photos only. Original image bytes and aspect ratios are preserved. */
.kb-product-page .kp-hero{min-height:320px}
.kb-product-page .kp-hero-visual{position:absolute;inset:0;z-index:-2;display:block;overflow:hidden}
.kb-product-page .kp-hero-visual>img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 72%}
.kb-product-page .kp-overview .kp-product-pack{width:300px;max-width:100%;margin:0 auto;justify-self:center}
.kb-product-page .kp-overview .kp-product-pack>button{background:#fff}
.kb-product-page .kp-overview .kp-product-pack img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;background:#fff}
@media(max-width:650px){.kb-product-page .kp-hero{min-height:350px}.kb-product-page .kp-hero-visual>img{object-position:50% 76%}}