:root{--fk-red:#cf0000;--fk-line:#e7e7e7;--fk-text:#222;--fk-muted:#666}
.fkProductDetailPage{background:#fff}.fkProductDetail{padding:52px 0 90px}.fkProductDetail *{box-sizing:border-box}.fkProductDetail__layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:70px;align-items:start}.fkProductDetail__main{min-width:0}.fkProductDetail__hero{display:grid;grid-template-columns:minmax(270px,420px) 1fr;gap:72px;align-items:center;min-height:330px;padding:18px 0 50px}.fkProductDetail__visual{display:flex;align-items:center;justify-content:center;min-height:310px;margin:0;background:#f8f8f8}.fkProductDetail__visual img{display:block;max-width:88%;max-height:300px;object-fit:contain}.fkProductDetail__series{margin:0 0 8px;color:#333;font-size:18px;font-weight:600}.fkProductDetail__summary h1{margin:0;color:var(--fk-text);font-size:38px;line-height:1.15;font-weight:700}.fkProductDetail__titleLine{display:block;width:62px;height:4px;margin:25px 0 28px;background:var(--fk-red)}.fkProductDetail__facts{margin:0 0 28px;color:#444;font-size:15px;line-height:2}.fkProductDetail__facts div{display:flex}.fkProductDetail__facts dt{font-weight:600}.fkProductDetail__facts dd{margin:0}.fkProductDetail__consult{display:inline-flex;align-items:center;gap:10px;padding:11px 20px;color:#fff!important;background:var(--fk-red);font-size:14px;line-height:1;text-decoration:none}.fkProductDetail__consult span{font-size:21px;line-height:12px}.fkProductDetail__tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--fk-line)}.fkProductDetail__tabs button{position:relative;min-height:58px;padding:10px 8px;border:0;background:none;color:#4a4a4a;font:inherit;font-size:15px;cursor:pointer}.fkProductDetail__tabs button::after{position:absolute;right:0;bottom:-1px;left:0;height:3px;background:transparent;content:""}.fkProductDetail__tabs button.is-active{color:var(--fk-red);font-weight:700}.fkProductDetail__tabs button.is-active::after{background:var(--fk-red)}.fkProductDetail__panel{padding-top:40px}.fkProductDetail__panel[hidden]{display:none}.fkProductDetail__panel>h2,.fkProductDetail__torque h2{margin:0 0 24px;color:#202020;font-size:22px;line-height:1.35;font-weight:700}.fkProductDetail__tableScroll{width:100%;overflow-x:auto}.fkProductDetail__parameterTable{width:100%;min-width:760px;border-collapse:collapse;table-layout:fixed;color:#444;font-size:14px}.fkProductDetail__parameterTable th,.fkProductDetail__parameterTable td{height:48px;padding:9px 14px;border-bottom:1px solid var(--fk-line);text-align:center;vertical-align:middle}.fkProductDetail__parameterTable thead th{border-color:var(--fk-red);background:var(--fk-red);color:#fff;font-weight:600}.fkProductDetail__parameterTable thead th:first-child,.fkProductDetail__parameterTable tbody th{width:29%;text-align:left}.fkProductDetail__parameterTable thead th:last-child{width:86px}.fkProductDetail__parameterTable tbody th{color:#555;font-weight:500}.fkProductDetail__parameterTable tbody tr:last-child th,.fkProductDetail__parameterTable tbody tr:last-child td{border-bottom-color:var(--fk-red)}.fkProductDetail__modelButton{width:100%;padding:0;border:0;background:none;color:inherit;font:inherit;font-weight:inherit;cursor:pointer}.fkProductDetail__modelButton[aria-pressed="true"]{text-decoration:underline;text-underline-offset:4px}.fkProductDetail__parameterTable td.is-selected{background:#fff1f1;color:#b40000;font-weight:700}.fkProductDetail__empty{padding:30px;border:1px dashed #ccc;color:#777;text-align:center}.fkProductDetail__torque{margin-top:58px}.fkProductDetail__richText{min-height:300px;padding:12px 0 40px;border-bottom:1px solid var(--fk-line)}.fkProductDetail__richText img{display:block;max-width:520px;width:auto;height:auto;margin:0}.fkProductDetail__drawingGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.fkProductDetail__drawingGrid a{display:flex;align-items:center;justify-content:center;min-height:300px;padding:18px;border:1px solid var(--fk-line);background:#fafafa}.fkProductDetail__drawingGrid img{max-width:100%;max-height:540px;object-fit:contain}.fkProductDetail__optionList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.fkProductDetail__optionList div{min-height:56px;padding:17px 20px;border:1px solid var(--fk-line);background:#fafafa;color:#444}.fkProductDetail__optionList div:empty{display:none}.fkProductDetail__downloads{display:grid;gap:12px}.fkProductDetail__downloads a{display:grid;grid-template-columns:54px 1fr 30px;gap:15px;align-items:center;min-height:68px;padding:12px 18px;border:1px solid var(--fk-line);color:#333!important;text-decoration:none;transition:border-color .2s,transform .2s}.fkProductDetail__downloads a:hover{border-color:var(--fk-red);transform:translateY(-1px)}.fkProductDetail__downloads span{display:flex;align-items:center;justify-content:center;width:42px;height:34px;background:#f2f2f2;color:var(--fk-red);font-size:12px;font-weight:700}.fkProductDetail__downloads strong{font-weight:500}.fkProductDetail__downloads b{color:var(--fk-red);font-size:20px;text-align:center}.fkProductDetail .fkProductPage__sideNav{position:sticky;top:110px;width:auto}.fkProductDetail .fkProductPage__selectorAnchor{margin-top:35px}
@media(max-width:1100px){.fkProductDetail__layout{grid-template-columns:210px minmax(0,1fr);gap:38px}.fkProductDetail__hero{grid-template-columns:minmax(240px,340px) 1fr;gap:38px}.fkProductDetail__summary h1{font-size:32px}}
@media(max-width:820px){.fkProductDetail{padding:30px 0 60px}.fkProductDetail__layout{display:block}.fkProductDetail .fkProductPage__sideNav{position:static;margin-bottom:32px}.fkProductDetail__hero{grid-template-columns:1fr;gap:28px}.fkProductDetail__visual{min-height:260px}.fkProductDetail__summary h1{font-size:30px}.fkProductDetail__tabs{display:flex;overflow-x:auto}.fkProductDetail__tabs button{flex:0 0 168px}.fkProductDetail__optionList,.fkProductDetail__drawingGrid{grid-template-columns:1fr}}
@media(max-width:520px){.fkProductDetail__hero{padding-top:0}.fkProductDetail__visual{min-height:220px}.fkProductDetail__visual img{max-height:210px}.fkProductDetail__summary h1{font-size:27px}.fkProductDetail__panel{padding-top:28px}.fkProductDetail__richText img{max-width:100%}.fkProductDetail__drawingGrid a{min-height:220px}}

/* 产品详情页独立通用板块：工程图、选配模块及传感器、资料下载 */
.fkProductDetail__drawingBoard{padding:22px;border:1px solid var(--fk-line);background:#fff}.fkProductDetail__drawingBoard>a{display:flex;align-items:center;justify-content:center;margin-bottom:24px}.fkProductDetail__drawingBoard>a:last-child{margin-bottom:0}.fkProductDetail__drawingBoard img{display:block;width:100%;height:auto;max-height:none;object-fit:contain}.fkProductDetail__drawingNote{padding:18px 4px 4px;border-top:1px solid var(--fk-line);color:#666;font-size:14px;line-height:1.9}.fkProductDetail__options{width:100%}.fkProductDetail__optionSchema{display:flex;align-items:center;justify-content:center;margin:0 0 34px;padding:14px 18px;background:#f2f2f4}.fkProductDetail__optionSchema img{display:block;width:100%;height:auto;object-fit:contain}.fkProductDetail__optionRows{display:grid;gap:0}.fkProductDetail__optionRow{display:grid;grid-template-columns:130px minmax(0,1fr) 100px;gap:24px;align-items:center;min-height:118px;padding:16px 0;border-bottom:1px solid var(--fk-line)}.fkProductDetail__optionRow:first-child{border-top:1px solid var(--fk-line)}.fkProductDetail__optionRow figure{display:flex;align-items:center;justify-content:center;width:130px;height:86px;margin:0;background:#f6f6f6}.fkProductDetail__optionRow figure.is-empty{background:#fafafa}.fkProductDetail__optionRow img{display:block;max-width:100%;max-height:100%;object-fit:contain}.fkProductDetail__optionCopy h3{margin:0 0 8px;color:#333;font-size:16px;line-height:1.45;font-weight:700}.fkProductDetail__optionCopy p{margin:0;color:#666;font-size:13px;line-height:1.75}.fkProductDetail__optionLink{justify-self:end;color:var(--fk-red)!important;font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap}.fkProductDetail__optionLink span{margin-left:5px;font-size:18px}.fkProductDetail__downloadRows{border-top:1px solid var(--fk-line)}.fkProductDetail__downloadRows>a{display:grid;grid-template-columns:minmax(0,1fr) 70px 82px;gap:16px;align-items:center;min-height:66px;padding:10px 12px;border-bottom:1px solid var(--fk-line);color:#444!important;text-decoration:none}.fkProductDetail__downloadRows>a:hover{background:#fafafa}.fkProductDetail__downloadName{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fkProductDetail__downloadRows small{color:#999;font-size:12px;text-align:center}.fkProductDetail__downloadRows b{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:30px;background:var(--fk-red);color:#fff;font-size:12px;font-weight:500}.fkProductDetail__downloadRows i{font-style:normal;font-size:14px}
.fkProductDetail__drawingContent{width:100%;color:#444;line-height:1.8}.fkProductDetail__drawingContent img{max-width:100%;height:auto}.fkProductDetail__drawingContent table{max-width:100%;border-collapse:collapse}.fkProductDetail__drawingContent td,.fkProductDetail__drawingContent th{padding:8px;border:1px solid var(--fk-line)}
.fkProductDetail__optionActions{display:grid;gap:8px;justify-items:end}.fkProductDetail__optionDetail{padding:0;border:0;background:transparent;color:var(--fk-red);font:600 13px/20px inherit;cursor:pointer;white-space:nowrap}.fkProductDetail__optionDetail:hover,.fkProductDetail__optionLink:hover{text-decoration:underline}.fkProductDetail__optionDialog[hidden]{display:none}.fkProductDetail__optionDialog{position:fixed;z-index:9999;inset:0;display:flex;align-items:center;justify-content:center;padding:32px}.fkProductDetail__optionDialogMask{position:absolute;inset:0;background:rgba(0,0,0,.55)}.fkProductDetail__optionDialogPanel{position:relative;z-index:1;width:860px;max-width:100%;max-height:calc(100vh - 64px);overflow:auto;padding:40px 46px;background:#fff;box-shadow:0 18px 50px rgba(0,0,0,.26)}.fkProductDetail__optionDialogClose{position:absolute;top:12px;right:17px;width:34px;height:34px;padding:0;border:0;background:transparent;color:#404040;font:300 31px/31px Arial,sans-serif;cursor:pointer}.fkProductDetail__optionDialogPanel h2{margin:0 38px 24px 0;color:#1d1d1d;font-size:24px;line-height:1.4}.fkProductDetail__optionDialogBody{color:#404040;font-size:15px;line-height:1.9}.fkProductDetail__optionDialogBody img{max-width:100%;height:auto}.fkProductDetail__optionDialogBody table{max-width:100%;border-collapse:collapse}.fkProductDetail__optionDialogBody td,.fkProductDetail__optionDialogBody th{padding:8px;border:1px solid var(--fk-line)}body.is-product-option-dialog-open{overflow:hidden}

@media(max-width:820px){.fkProductDetail__drawingBoard{padding:12px}.fkProductDetail__optionRow{grid-template-columns:105px minmax(0,1fr);gap:16px}.fkProductDetail__optionRow figure{width:105px;height:76px}.fkProductDetail__optionActions{grid-column:2;justify-items:start}.fkProductDetail__downloadRows>a{grid-template-columns:minmax(0,1fr) 72px}.fkProductDetail__downloadRows small{display:none}.fkProductDetail__optionDialog{padding:16px}.fkProductDetail__optionDialogPanel{max-height:calc(100vh - 32px);padding:32px 22px}}
@media(max-width:520px){.fkProductDetail__optionSchema{margin-bottom:22px;padding:8px}.fkProductDetail__optionRow{grid-template-columns:82px minmax(0,1fr);gap:12px}.fkProductDetail__optionRow figure{width:82px;height:68px}.fkProductDetail__optionCopy h3{font-size:14px}.fkProductDetail__optionCopy p{font-size:12px}.fkProductDetail__downloadRows>a{min-height:58px;padding-right:0;padding-left:0}.fkProductDetail__downloadRows b{width:68px}}
.fkProductDetailCommon{padding:55px 0 80px;background:#fff}.fkProductDetailCommon *{box-sizing:border-box}.fkProductDetailCommon .fkProductDetail__tabs{grid-template-columns:repeat(3,1fr)}