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.line{background:linear-gradient(90deg,#272a2f,#646a72 45%,#272a2f);border:1px solid #aab1ba;border-radius:12px;height:18px;top:68px;left:15%;right:15%}.sv-medium .line:before,.sv-medium .line:after{content:"";border:1px solid var(--pipe-orange);background:#f4f5f6;border-radius:50%;width:8px;height:8px;position:absolute;top:4px}.sv-medium .line:before{left:8%}.sv-medium .line:after{right:8%}.sv-medium span{color:#d4d6d8;z-index:2;background:#ffffff;border:1px solid #b6bcc4;border-radius:50%;place-items:center;width:28px;height:28px;font-size:10px;display:grid;position:absolute;top:56px}.sv-medium span:first-of-type{left:20%}.sv-medium span:nth-of-type(2){color:var(--pipe-orange);border-color:#c9302677;left:calc(50% - 14px);box-shadow:0 0 16px #d2342a1c}.sv-medium span:nth-of-type(3){right:20%}.sv-medium em{bottom:13px;right:14px}.sv-temperature .line{background:linear-gradient(90deg,#666c75 0 23%,var(--pipe-orange) 42% 72%,#e4e6e9 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.needle{background:var(--pipe-orange);transform-origin:top;width:1px;height:27px;box-shadow:0 0 7px var(--pipe-orange);position:absolute;top:74px;left:calc(18% + 34px);transform:rotate(42deg)}.sv-pressure span{font:6px var(--mono);color:#636972;position:absolute;top:91px;left:calc(18% + 24px)}.sv-pressure em{border:1px solid #c9302680;place-items:center;width:45px;height:45px;font-size:10px;display:grid;top:49px;right:17%;transform:rotate(45deg);box-shadow:inset 0 0 18px #d2342a15}.sv-control .line{background:linear-gradient(90deg,#666c75,var(--pipe-orange),#666c75);height:1px;top:69px;left:13%;right:13%}.sv-control span{font:7px var(--mono);letter-spacing:.05em;color:#60666f;z-index:2;background:#f2f3f5;border:1px solid #b6bcc4;padding:8px 7px;position:absolute;top:54px}.sv-control span:first-of-type{left:10%}.sv-control span:nth-of-type(2){color:var(--pipe-orange);border-color:#c9302666;left:calc(50% - 21px)}.sv-control span:nth-of-type(3){right:10%}.sv-control span:after{content:"";background:#5a6069;width:1px;height:21px;position:absolute;top:100%;left:50%}.sv-control em{bottom:12px;right:13px}.pipe-selection-grid li:hover .selection-visual{border-color:#c9302655;box-shadow:inset 0 0 32px #000,0 0 22px #d2342a0c}.pipe-selection-grid li:hover .sv-temperature .line{animation:1.6s ease-in-out infinite alternate selection-flow}.pipe-selection-grid li:hover .sv-pressure .needle{animation:1.8s ease-in-out infinite alternate gauge-pulse}@keyframes selection-flow{to{filter:brightness(1.55);box-shadow:0 0 15px #d2342a80}}@keyframes gauge-pulse{to{transform:rotate(72deg)}}@media (width<=680px){.pipe-selection-grid li{min-height:380px}.pipe-selection-grid h3{margin-top:28px}}.pipeline-case-grid article{isolation:isolate;background:#f8f8f9;grid-template-rows:240px 1fr;min-height:420px;padding:0;display:grid;overflow:hidden}.pipeline-case-grid article:before{content:"";z-index:2;pointer-events:none;background:linear-gradient(#0000 58%,#f4f5f642 79%,#f4f5f69e 100%);height:240px;position:absolute;inset:0 0 auto}.pipeline-case-grid article:after{content:"";z-index:4;pointer-events:none;opacity:0;background:linear-gradient(105deg,#0000,#00000016 44%,#ea5e571f 50%,#0000 62%);width:34%;position:absolute;top:0;bottom:0;left:-42%;transform:skew(-12deg)}.pipeline-case-grid img{object-fit:cover;object-position:center;filter:saturate(.94)contrast(1.05)brightness(1.02);width:100%;height:100%;transition:transform .7s cubic-bezier(.2,.8,.2,1),filter .6s}.pipeline-case-grid article>div{z-index:3;background:linear-gradient(#f8f8f9e8,#f4f5f6 35%);margin-top:-31px;padding:25px 28px 29px;position:relative}.pipeline-case-grid h3{margin:28px 0 13px;font-size:21px}.pipeline-case-grid p{color:#525861;margin:0;font-size:14px;line-height:1.85}.pipeline-case-grid span{display:inline-block}.pipeline-case-grid article.is-visible img{filter:saturate(.94)contrast(1.05)brightness(1.02)}.pipeline-case-grid article:hover img{filter:saturate(.98)contrast(1.07)brightness(1.06);transform:scale(1.025)}.pipeline-case-grid article:hover:after{animation:1.25s cubic-bezier(.2,.8,.2,1) case-metal-sweep}.pipeline-case-grid article:hover{border-color:#c9302650;box-shadow:inset 0 0 0 1px #d2342a18}@keyframes case-metal-sweep{0%{opacity:0;left:-42%}18%{opacity:.65}72%{opacity:.38}to{opacity:0;left:112%}}@media (width<=1000px){.pipeline-case-grid article{grid-template-rows:225px 1fr;min-height:390px}.pipeline-case-grid article:before{height:225px}}@media (width<=680px){.pipeline-case-grid article{grid-template-rows:220px 1fr;min-height:380px}.pipeline-case-grid article:before{height:220px}.pipeline-case-grid article>div{padding:24px 22px}.pipeline-case-grid h3{margin-top:24px}}@media (prefers-reduced-motion:reduce){.pipe-selection-grid:before{transition:none}.pipeline-case-grid article:hover:after{animation:none}}@media (width<=680px){.knowledge-body{padding:44px 22px 20px}.knowledge-section h2{font-size:20px}.knowledge-index-grid{grid-template-columns:1fr;padding:0 22px 70px}.knowledge-cta{padding:24px 22px}}.solution-hero .knowledge-hero-bg{opacity:.5;filter:saturate(.78)contrast(1.05)brightness(.78);z-index:1}.solution-hero .knowledge-hero-focus{opacity:.85;z-index:2;-webkit-mask-image:radial-gradient(46% 46% at 72% 55%,#000 0 46%,#000c 62%,#0000 86%);mask-image:radial-gradient(46% 46% at 72% 55%,#000 0 46%,#000c 62%,#0000 86%)}.solution-hero .solution-hero-params{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.solution-hero .solution-hero-params li{color:#52575d;border:1px solid #bdc2c9;padding:7px 10px;font-size:11px}.solution-section{background:#f4f5f6;border-top:1px solid #c4c8ce;padding:88px 5vw}.solution-section .pipe-section-title{text-align:center;grid-template-columns:1fr;justify-items:center;gap:16px;margin-bottom:56px}.solution-section .pipe-section-title h2{font-size:clamp(40px,4.1vw,66px);line-height:1.14}.solution-section 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#d7dade;grid-template-columns:90px 1fr;gap:20px;padding:30px 0;display:grid}.solution-approach li>span{font:56px/1 var(--mono);color:#0000;-webkit-text-stroke:1px #d8b0aa}.solution-approach h3{color:#16181b;margin:0 0 10px;font-size:20px}.solution-approach p{color:#656b74;margin:0;font-size:14px;line-height:1.95}.solution-product-grid{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:30px;display:grid}.solution-product-grid a{background:linear-gradient(145deg,#ffffff,#f8f8f9);border:1px solid #c4c8ce;flex-direction:column;gap:9px;padding:26px;text-decoration:none;transition:transform .3s,border-color .3s;display:flex;position:relative}.solution-product-grid a:hover{border-color:#d2342a66;transform:translateY(-4px)}.solution-product-grid strong{color:#16181b;font-size:18px}.solution-product-grid span{color:#656b74;font-size:12px;line-height:1.8}.solution-product-grid b{color:var(--orange);margin-top:8px;font-size:15px}.solution-param-strip{background:#ffffff;border:1px solid #bdc2c9;flex-wrap:wrap;align-items:center;gap:12px;padding:20px 24px;display:flex}.solution-param-strip strong{color:var(--orange);font-size:13px}.solution-param-strip span{color:#52575d;font-size:13px}.solution-more{background:#f8f8f9;border-top:1px solid #c4c8ce;padding:80px 5vw}.solution-more h2{color:#16181b;margin:0 0 26px;font-size:28px}.solution-more-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.solution-more-grid a{background:#ffffff;border:1px solid #d7dade;flex-direction:column;gap:8px;padding:22px;text-decoration:none;transition:border-color .3s;display:flex}.solution-more-grid a:hover{border-color:#d2342a66}.solution-more-grid b{color:var(--orange);font:11px var(--mono)}.solution-more-grid strong{color:#191c20;font-size:15px}.solution-more-grid span{color:#666c74;font-size:12px;line-height:1.75}.solution-index-hero .pipe-intro{max-width:760px}.solution-index-grid{background:#f4f5f6;grid-template-columns:repeat(2,1fr);gap:16px;padding:0 5vw 90px;display:grid}.solution-index-grid a{background:linear-gradient(145deg,#ffffff,#f8f8f9);border:1px solid #c4c8ce;flex-direction:column;gap:10px;min-height:190px;padding:28px;text-decoration:none;transition:transform .3s,border-color .3s;display:flex;position:relative;overflow:hidden}.solution-index-grid a:hover{border-color:#d2342a66;transform:translateY(-4px)}.solution-index-grid a:after{content:"";border:1px solid #d2342a2e;border-radius:50%;width:130px;height:130px;transition:transform .45s;position:absolute;bottom:-60px;right:-60px}.solution-index-grid a:hover:after{transform:scale(1.4)}.solution-index-grid b{color:var(--orange);font:11px var(--mono)}.solution-index-grid strong{color:#16181b;font-size:20px}.solution-index-grid span{color:#656b74;font-size:13px;line-height:1.85}@media (width<=1100px){.solution-challenge-grid,.solution-product-grid,.solution-more-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=680px){.solution-section{padding:62px 22px}.solution-challenge-grid,.solution-product-grid,.solution-more-grid,.solution-index-grid{grid-template-columns:1fr}.solution-approach li{grid-template-columns:56px 1fr}.solution-approach li>span{font-size:36px}}.knowledge-hero{background:#f2f3f5;overflow:hidden}.knowledge-hero .knowledge-hero-bg{opacity:.5;filter:saturate(.78)contrast(1.05)brightness(.78);z-index:1}.knowledge-hero .knowledge-hero-focus{opacity:.85;z-index:2;-webkit-mask-image:radial-gradient(46% 46% at 72% 55%,#000 0 46%,#000c 62%,#0000 86%);mask-image:radial-gradient(46% 46% at 72% 55%,#000 0 46%,#000c 62%,#0000 86%)}.knowledge-hero:after{content:"";z-index:1;pointer-events:none;background:linear-gradient(90deg,#f2f3f5 0%,#f2f3f5f2 38%,#f2f3f5d5 55%,#f2f3f579 72%,#f2f3f51f 88%);position:absolute;inset:0}.knowledge-hero .knowledge-keypoints{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.knowledge-hero .knowledge-keypoints li{color:#52575d;border:1px solid #bdc2c9;padding:7px 10px;font-size:11px}.knowledge-body{background:#f8f8f9;max-width:880px;margin:0 auto;padding:64px 5vw 30px}.knowledge-meta{border-bottom:1px solid #d7dade;flex-wrap:wrap;align-items:center;gap:14px;margin:0 0 40px;padding-bottom:18px;display:flex}.knowledge-meta span{color:#666c74;font:11px var(--mono)}.knowledge-meta span:first-child{color:var(--orange);border:1px solid #d2342a44;padding:3px 8px}.knowledge-lang-alt{color:#656b74;border-bottom:1px solid #bdc2c9;margin-left:auto;font-size:12px;text-decoration:none}.knowledge-lang-alt:hover{color:var(--orange);border-color:#d2342a66}.knowledge-section{margin-bottom:52px}.knowledge-section h2{color:#16181b;align-items:baseline;gap:14px;margin:0 0 20px;font-size:24px;line-height:1.4;display:flex}.knowledge-section h2 i{font:16px var(--mono);color:#0000;-webkit-text-stroke:1px #d2342a88;font-style:normal}.knowledge-section p{color:#41474f;margin:0 0 16px;font-size:15px;line-height:2.05}.knowledge-section p:last-child{margin-bottom:0}.knowledge-list{grid-template-columns:1fr;gap:12px;margin-top:6px;display:grid}.knowledge-list-item{background:linear-gradient(145deg,#ffffff,#f8f8f9);border:1px solid #d7dade;padding:20px 24px}.knowledge-list-item h3{color:#191c20;align-items:center;margin:0 0 10px;font-size:16px;display:flex}.knowledge-list-item h3:before{content:"";background:var(--orange);border-radius:50%;width:7px;height:7px;margin-right:10px;display:inline-block}.knowledge-list-item p{color:#656b74;margin:0;font-size:13.5px;line-height:1.95}.knowledge-cta{background:linear-gradient(120deg,#d2342a0f,#f8f8f9 55%);border:1px solid #d2342a33;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:26px;max-width:880px;margin:10px auto;padding:30px 34px;display:flex}.knowledge-cta h2{color:#16181b;margin:0 0 8px;font-size:20px}.knowledge-cta p{color:#656b74;margin:0;font-size:13px}.knowledge-cta-btn{background:var(--orange);color:#fff;align-items:center;gap:8px;padding:14px 26px;font-weight:700;text-decoration:none;transition:filter .3s;display:inline-flex}.knowledge-cta-btn:hover{filter:brightness(1.12)}.knowledge-index-hero .pipe-intro{max-width:760px}.knowledge-index-grid{background:#f4f5f6;grid-template-columns:repeat(2,1fr);gap:16px;padding:0 5vw 90px;display:grid}.knowledge-index-grid a{background:linear-gradient(145deg,#ffffff,#f8f8f9);border:1px solid #c4c8ce;flex-direction:column;gap:10px;min-height:180px;padding:28px;text-decoration:none;transition:transform .3s,border-color .3s;display:flex;position:relative;overflow:hidden}.knowledge-index-grid a:hover{border-color:#d2342a66;transform:translateY(-4px)}.knowledge-index-grid b{color:var(--orange);font:11px var(--mono)}.knowledge-index-grid strong{color:#16181b;font-size:19px;line-height:1.5}.knowledge-index-grid span{color:#656b74;font-size:13px;line-height:1.85}.knowledge-index-grid em{color:#575d65;font:10px var(--mono);margin-top:auto;font-style:normal}@media (width<=680px){.knowledge-body{padding:44px 22px 20px}.knowledge-section h2{font-size:20px}.knowledge-index-grid{grid-template-columns:1fr;padding:0 22px 70px}.knowledge-cta{padding:24px 22px}}
/* ===== light-theme image adaptation (appended 2026-09-17) ===== */
.product-image,.product-visual.oil .product-image,.product-visual.pipe .product-image,.product-card:hover .product-image,.gdjrq-hero-blueprint,.fdjrq-hero-blueprint,.dryjrq-hero-blueprint,.djrg-hero-blueprint,.hero-principle--oil .hero-principle-outline{mix-blend-mode:multiply!important;filter:grayscale(1) sepia(.28) saturate(1.7) hue-rotate(-22deg) contrast(1.4) brightness(1.03)!important}
.gdjrq-hero-blueprint~.thermal-route,.fdjrq-hero-blueprint~.thermal-route,.dryjrq-hero-blueprint~.thermal-route,.djrg-hero-blueprint~.thermal-route{mix-blend-mode:multiply!important}
/* solution/knowledge hero light wash */
.solution-hero{position:relative}
.solution-hero:after{content:"";z-index:1;pointer-events:none;position:absolute;inset:0;background:linear-gradient(90deg,#f2f3f5 0%,#f2f3f5f2 38%,#f2f3f5d5 55%,#f2f3f579 72%,#f2f3f51f 88%)}

/* ===== CTA / red-surface white text fix (appended 2026-09-17) ===== */
.primary-button,.primary-button:hover,.primary-button *,
.knowledge-cta-btn,.knowledge-cta-btn:hover,.knowledge-cta-btn *,
.lead-estimate,.lead-error,.lead-select-list button.is-active,
.assistant-steps i.is-done,.assistant-facts i,.assistant-ex-tip,
.domain-links a:hover,.pipe-comparison-row:not(.pipe-comparison-head):hover,
.pipe-comparison-row:not(.pipe-comparison-head):hover *{color:#fff!important}
/* ===== specialist product photos: unified dark studio card (2026-09-17) ===== */
.pipe-site .pipe-product-image{background-color:#0c0d0f;background-image:radial-gradient(circle at 50% 44%,#e7453c26,#0000 55%);border:1px solid #3a3d42;border-radius:18px;box-shadow:0 26px 60px #00000038,inset 0 0 90px #00000040}
.pipe-site .pipe-product-image img{filter:contrast(1.05) saturate(1.04)}

/* ===== 方案子页 Hero 提亮与文字避让 (2026-09-17) ===== */
.pipe-site .solution-hero .pipe-hero-copy h1{white-space:normal;letter-spacing:.01em;font-size:clamp(36px,3.7vw,60px);line-height:1.14;max-width:600px;margin:26px 0 22px}
.pipe-site .solution-hero .pipe-hero-copy h1 em{white-space:normal;margin-top:.14em;display:block}
.pipe-site .solution-hero .knowledge-hero-bg{opacity:.3;filter:saturate(.75) contrast(.88) brightness(1.6)}
.pipe-site .solution-hero .knowledge-hero-focus{opacity:.88;filter:saturate(.9) contrast(.98) brightness(1.55);-webkit-mask-image:radial-gradient(40% 46% at 84% 52%,#000 0 40%,#000c 58%,#0000 82%);mask-image:radial-gradient(40% 46% at 84% 52%,#000 0 40%,#000c 58%,#0000 82%)}
.solution-hero:after{background:linear-gradient(90deg,#f2f3f5 0%,#f2f3f5fa 44%,#f2f3f5e8 60%,#f2f3f5b8 76%,#f2f3f554 90%,#f2f3f52b 100%),linear-gradient(270deg,#f2f3f5b0 0%,#f2f3f500 12%)}
.pipe-site .solution-hero .pipe-hero-index{color:#8a9099}

.pipe-site .solution-hero .knowledge-hero-bg[src*="flanged-heater"]{opacity:.22}
.pipe-site .solution-hero .knowledge-hero-focus[src*="flanged-heater"]{opacity:.95;filter:saturate(.95) contrast(1.06) brightness(1.42);-webkit-mask-image:radial-gradient(33% 54% at 77% 50%,#000 0 34%,#000c 54%,#0000 80%);mask-image:radial-gradient(20% 46% at 79% 50%,#000 0 32%,#000c 52%,#0000 78%)}

/* ===== 计算器数字步进按钮红色化 (2026-09-17) ===== */
.calculator-inputs label{position:relative}
.calculator-inputs input::-webkit-inner-spin-button{opacity:0}
.calculator-inputs input[type=number]{-moz-appearance:textfield}
.calculator-inputs label:after{content:"";position:absolute;right:19px;bottom:31px;width:17px;height:25px;border-radius:3px;background-color:#d2342a;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='17' viewBox='0 0 9 17'%3E%3Cpath d='M4.5 1.5 8 6H1z' fill='%23fff'/%3E%3Cpath d='M4.5 15.5 1 11h7z' fill='%23fff'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;pointer-events:none;box-shadow:0 1px 4px #d2342a45}

/* ===== 导航与 English 加粗 (2026-09-17) ===== */
.site-header nav a{font-weight:700}
.site-header nav a.lang-switch{font-weight:700;border:2px solid #16181b}
.site-header nav a.lang-switch:hover{border-color:var(--orange)}

/* ---- 20260919 可读性修复：白底原理图标注 + 动画文字 ---- */
.principle-labels--pipeline{font-size:clamp(12px,1vw,17px)}
.principle-labels--pipeline>span{color:#2b3036;background:0 0;padding:0;border-radius:0;text-shadow:0 1px 2px #fff,0 0 6px #fffc;letter-spacing:.05em}
.flow-svg text{paint-order:stroke;stroke:#f8f8f9;stroke-width:3px;stroke-linejoin:round}
.flow-svg .flow-label{font-size:13px}
.flow-svg .flow-label-dim{font-size:12px;fill:#4a4f56}
.flow-svg .flow-label-hot{fill:#d9342b;font-weight:600}

/* 20260920 产品图已换透明底，卡片容器同步改浅色 */
.pipe-product-image{background-color:#fbfbfc;background-image:radial-gradient(circle at 50% 44%,#e7453c12,#0000 55%);border:1px solid #d9dce1;border-radius:18px;box-shadow:0 22px 48px #00000014,inset 0 0 60px #00000006}

/* 20260920 首屏照片恢复原始暖色调后，给顶部导航加一层局部浅色衬底，保证深色文字与按钮可读 */
.site-header:before{content:"";position:absolute;inset:0;background:#f1f2f4;pointer-events:none}
.site-header .brand,.site-header nav,.site-header .nav-cta,.site-header .lang-switch{position:relative;z-index:1}
.site-header .nav-cta{background:#f1f2f4f5;border-color:#16181b55;color:#16181b;opacity:1!important}
.site-header .nav-cta,.site-header .nav-cta span{color:#16181b}
.site-header .nav-cta span{color:var(--orange)}
.is-scrolled .site-header:before{display:none}

/* 20260920 晚 原理图标签更清晰：加大加深加粗 */
.principle-labels{font-size:clamp(11px,.85vw,16px)!important;font-weight:700}
.principle-labels>span{color:#2f353c}
.principle-labels>span small{color:#5c636c}
.principle-labels--pipeline{font-size:clamp(13px,1.15vw,19px)!important}

/* 20260920 晚 导热油原理图去掉动效（其余页本就无动效，统一为静态） */
.hero-principle--oil .principle-flow,.hero-principle--oil .principle-return{display:none!important}
.hero-principle--oil .principle-effects{display:none!important}
.hero-principle--oil .principle-tank-pulse,.hero-principle--oil .principle-heat-zone{animation:none!important}
/* 20260920 晚二轮：导热油再去描边矩形图层（outline PNG）、扫描线与粉色径向光晕 */
.hero-principle--oil .hero-principle-outline,.hero-principle--oil svg,.hero-principle--oil i{display:none!important}
.hero-principle--oil{background:transparent!important}
.pipe-hero-machine{background:transparent!important}
.oil-site{background-image:none!important}
.oil-site .pipe-hero-grid{display:none!important}

/* 20260920 晚二轮：电加热管「安装方式」文字改为图下静态排版 */
.tube-install-notes{position:static!important;width:96%!important;margin:12px auto 0;text-shadow:none!important;font-size:clamp(12px,.95vw,16px)!important;color:#3d444c!important;line-height:1.75}
.tube-install-notes b{font-weight:700;color:#23282e}

/* 20260920 晚三：导热油去伪元素（矩形径向光晕边框、clip-path 矩形框、竖向扫描线） */
.blueprint-machine:before,.blueprint-machine:after{display:none!important}
.hero-principle--oil:before,.hero-principle--oil:after{display:none!important}
.pipe-hero-machine:after{display:none!important}

/* 20260920 晚 电加热管原理图改用高清原图（文字烙在图内），隐藏 HTML 标签层与错位的红圈特效层 */
.principle-labels--tubular{display:none!important}
.hero-principle--tubular .principle-effects{display:none!important}




/* 20260920 晚 explore 标题两行太挤，行高放宽 */
.explore h2{line-height:1.18!important}




/* 20260920 晚 产品图已全部换透明抠图，子站产品卡从黑底改浅色（对齐首页卡片风格） */
.pipe-site .pipe-product-image{background-color:#fafafb;background-image:radial-gradient(circle at 50% 46%,#e7453c0f,#0000 58%),url(/specialists/shared-product-honeycomb-light.webp?v=2);background-size:auto,cover;background-position:center;border:1px solid #d9dce1;border-radius:18px;box-shadow:0 22px 48px #00000014,inset 0 0 60px #00000006}
.pipe-site .pipe-product-image img{transform:none!important;object-fit:contain;width:92%;height:92%}
.pipe-site .product-image-glow,.pipe-site .product-image-scan{display:none}





/* 20260920 晚 产品图 hover 动效统一：全部同比例放大 */
.pipe-site .pipe-product-image:hover img{transform:scale(1.045)!important}




/* ================= 20260921 审美统一 ================= */
/* 1 hero 导语避让：解决空心标题与段落重叠 */
.knowledge-index-hero .pipe-intro,.solution-index-hero .pipe-intro,.knowledge-index-hero .hero-lead{margin-top:26px}

/* 2 hero 照片：去掉椭圆羽化，改成右侧渐隐 + 去掉灰底投影云 */
.hero-industrial-focus,.knowledge-hero-focus{
filter:saturate(1.1) contrast(1.05)!important;
drop-shadow:none;
}
.hero-industrial-focus{-webkit-mask-image:linear-gradient(90deg,#0000 0,#00000026 28%,#000000a8 52%,#000 72%)!important;mask-image:linear-gradient(90deg,#0000 0,#00000026 28%,#000000a8 52%,#000 72%)!important}
.knowledge-hero .knowledge-hero-focus,.pipe-site .solution-hero .knowledge-hero-focus,.pipe-site .solution-hero .knowledge-hero-focus[src*="flanged-heater"]{
-webkit-mask-image:linear-gradient(90deg,#0000 0,#00000026 30%,#000000b3 55%,#000 76%)!important;mask-image:linear-gradient(90deg,#0000 0,#00000026 30%,#000000b3 55%,#000 76%)!important}
.hero-industrial-bg{opacity:.55!important}
.knowledge-hero .knowledge-hero-bg,.pipe-site .solution-hero .knowledge-hero-bg{opacity:.32!important}

/* 3 首页产品卡光晕：减淡、收小 */
.visual-glow{filter:blur(46px);opacity:.15;bottom:10%;background:#d2342a}
.product-card:hover .visual-glow{opacity:.28;transform:scale(1.12)}

/* 4 标题体系统一：产品馆区块标题与方案页同为居中（首页保持自身体系） */
.pipe-site .pipe-section-title{grid-template-columns:1fr;justify-items:center;text-align:center;gap:16px;margin-bottom:56px}
.pipe-site .pipe-section-title>span{max-width:820px}

/* 5 hero 双按钮基线对齐 */
.hero-actions .text-button,.pipe-actions .text-button{min-height:52px;display:inline-flex;align-items:center}
.hero .hero-copy{z-index:3}
.hero-industrial-focus{-webkit-mask-image:linear-gradient(90deg,#0000 0,#0000 36%,#00000040 52%,#000000c9 68%,#000 80%)!important;mask-image:linear-gradient(90deg,#0000 0,#0000 36%,#00000040 52%,#000000c9 68%,#000 80%)!important}

/* ================= 20260921 v3 可读性 + 对齐 + 控件统一 ================= */
:root{--ink:#2b2f34;--text:#4a4f56;--muted:#6b7076;--line:#d4d8de;--soft:#f6f7f9}
/* 1 文字三级色阶（原 15 种灰收敛为 3 种，全部满足 WCAG AA 对比度） */
.hero-lead,.pipe-intro,.solution-scenario-text,.lead-form label,.solution-approach p,.solution-challenge-grid p,.knowledge-grid p,.specialist-knowledge-grid p,.pipe-faq details p,.comparison-row span,.section-heading>p,.scene-visual p,.pipe-product-copy p,.product-card p,.solution-more-grid span{color:var(--text)}
.eyebrow,.pipe-section-title>p,.pipe-section-title>span,.product-code,.knowledge-visual small,.knowledge-visual b,.hero-figcaption,.pipe-footer-meta p,.lead-result>span,.form-hint{color:var(--muted)}
.pipe-faq summary,.solution-approach h3,.knowledge-grid h3,.solution-challenge-grid h3,.specialist-knowledge-grid h3,.product-card strong{color:var(--ink)}
.lead-form input::placeholder,.lead-form textarea::placeholder,.calculator-inputs input::placeholder{color:#6f757c}

/* 2 卡片网格：间距/内边距统一（gap 16px，卡内 padding 26px） */
.knowledge-index-grid,.specialist-knowledge-grid,.solution-more-grid,.solution-product-grid,.solution-challenge-grid,.scene-grid,.product-grid{gap:16px}
.knowledge-index-grid a,.knowledge-grid article,.specialist-knowledge-grid article,.solution-more-grid a,.solution-challenge-grid article,.solution-product-grid a{padding:26px}
.knowledge-grid h3,.specialist-knowledge-grid h3,.pipe-selection-grid h3,.scene-grid h3{font-size:20px;line-height:1.5}
.solution-challenge-grid h3,.solution-approach h3{font-size:20px}

/* 3 表单控件统一：同一条下边框、同一高度、同一 focus 反馈、带统一下拉箭头 */
.lead-form input,.lead-form textarea,.lead-form select,.lead-select-trigger,.calculator-inputs input,.calculator-inputs select{border-bottom:1px solid var(--line);padding:13px 0 11px;font-size:14px;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.lead-form select,.lead-select-trigger,.calculator-inputs select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23d2342a' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right center;padding-right:22px}
.lead-form input:focus,.lead-form textarea:focus,.lead-form select:focus,.calculator-inputs input:focus,.calculator-inputs select:focus{border-color:var(--orange);box-shadow:0 6px 12px -10px #d2342a}
.lead-form textarea,.lead-result textarea{min-height:110px;line-height:1.8}

/* 4 按钮体系统一：高度、间距、圆角、反馈一致 */
.primary-button,.secondary-button,.text-button,.pipe-actions a,.hero-actions a,.lead-form button{font-size:13px;font-weight:700;letter-spacing:.02em;border-radius:3px;transition:all .22s ease}
.primary-button{min-height:52px;padding:0 22px;display:inline-flex;align-items:center;gap:14px}
.primary-button:hover{background:#c62f26;box-shadow:0 10px 24px -14px #d2342a}
.text-button{min-height:52px;display:inline-flex;align-items:center;border-bottom:1px solid var(--line)}
.text-button:hover{color:var(--orange);border-color:var(--orange)}

/* 5 特效收敛：去掉旋转虚线轨道，扫描线减淡，卡片 hover 统一为「描边转橙 + 轻微上浮」 */
.visual-orbit{display:none}
.product-image-scan,.visual-scan{opacity:.25}
.product-card,.knowledge-grid article,.solution-more-grid a,.solution-product-grid a,.specialist-knowledge-grid article:hover{transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.product-card:hover,.knowledge-grid article:hover,.solution-more-grid a:hover,.solution-product-grid a:hover{border-color:#d2342a;transform:translateY(-3px);box-shadow:0 18px 34px -22px #00000070}

/* 20260921 知识文章 banner 使用透明底产品图的展示规则 */
.knowledge-hero-bg[src*="-transparent"]{display:none}
.knowledge-hero-focus[src*="-transparent"]{object-fit:contain;object-position:78% center;padding:4% 0;opacity:1;filter:drop-shadow(0 20px 34px #00000026)!important;-webkit-mask-image:linear-gradient(90deg,#0000 0,#00000026 22%,#000 46%)!important;mask-image:linear-gradient(90deg,#0000 0,#00000026 22%,#000 46%)!important}

/* 20260921 新首页 banner（hero-home-pipeline）适配：去掉旧的热转换圆环/扫描带，导语加深，渐隐右移 */
.joule-reactor{display:none}
.hero-lead{color:#3f444a}
.hero-industrial-focus{-webkit-mask-image:linear-gradient(90deg,#0000 0,#0000 40%,#00000045 54%,#000000d1 70%,#000 82%)!important;mask-image:linear-gradient(90deg,#0000 0,#0000 40%,#00000045 54%,#000000d1 70%,#000 82%)!important}
.hero-copy h1 em{-webkit-text-stroke:1.5px #989fa9}
.hero-industrial-focus{-webkit-mask-image:linear-gradient(90deg,#0000 0,#0000 46%,#0000008c 58%,#000 68%)!important;mask-image:linear-gradient(90deg,#0000 0,#0000 46%,#0000008c 58%,#000 68%)!important}
.hero:after{background:linear-gradient(90deg,#f1f2f4 0%,#f1f2f4f7 30%,#f1f2f4d9 44%,#f1f2f41f 62%,#f1f2f400 75%)!important}

/* 首页 banner 清晰度：去掉底层重影、渐隐收紧、轻微提对比 */
.hero-industrial-bg[src*="hero-home-media"]{display:none}
.hero-industrial-focus[src*="hero-home-media"]{filter:contrast(1.07) saturate(1.06)!important;-webkit-mask-image:linear-gradient(90deg,#0000 0,#0000 54%,#0000008c 64%,#000 74%)!important;mask-image:linear-gradient(90deg,#0000 0,#0000 54%,#0000008c 64%,#000 74%)!important}
.hero:after{background:linear-gradient(90deg,#f1f2f4 0%,#f1f2f4f7 34%,#f1f2f4cf 46%,#f1f2f41a 58%,#f1f2f400 70%)!important}

/* ================= 20260921 banner 清晰度修正 ================= */
/* 原图仅 1672x941，满幅铺开会被引擎放大 -> 改为右侧定宽画框，永远缩小渲染 */
@media (min-width:1100px){
  .hero-industrial-focus[src*="hero-home-media"]{
    position:absolute!important;inset:0 0 0 auto!important;
    width:min(56%,1140px)!important;height:100%!important;
    object-fit:cover!important;object-position:center center!important;
    filter:contrast(1.06) saturate(1.04)!important;
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000026 60px,#0000008c 150px,#000 240px)!important;
    mask-image:linear-gradient(90deg,#0000 0,#00000026 60px,#0000008c 150px,#000 240px)!important;
  }
  .hero:after{background:linear-gradient(90deg,#f1f2f4 0,#f1f2f4f2 30%,#f1f2f466 40%,#f1f2f400 48%)!important}
}
/* ===== 20260921 banner v4：完整设备 + 右下画框（不裁切） ===== */
.hero-industrial-bg[src*="hero-home-device"]{display:none}
@media (min-width:1100px){
  .hero-industrial-focus[src*="hero-home-device"]{
    position:absolute!important;
    inset:auto 0 0 auto!important;
    width:min(62%,1190px)!important;
    height:auto!important;
    object-fit:contain!important;
    object-position:right bottom!important;
    filter:contrast(1.05) saturate(1.04)!important;
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000026 8%,#000000a6 22%,#000 34%),linear-gradient(180deg,#0000 0,#000 18%);
    -webkit-mask-composite:source-in;
    mask-image:linear-gradient(90deg,#0000 0,#00000026 8%,#000000a6 22%,#000 34%),linear-gradient(180deg,#0000 0,#000 18%);
    mask-composite:intersect;
  }
}
/* ===== 20260921 banner v5：完整设备放大呈现 ===== */
@media (min-width:1100px){
  .hero .hero-copy h1{font-size:clamp(54px,5.6vw,108px)!important}
  .hero-industrial-focus[src*="hero-home-device"]{
    position:absolute!important;
    inset:auto 0 0 auto!important;
    width:min(72%,1360px)!important;
    height:auto!important;
    object-fit:contain!important;
    object-position:right bottom!important;
    filter:contrast(1.05) saturate(1.04)!important;
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000026 10%,#000000a6 24%,#000 38%),linear-gradient(180deg,#0000 0,#000 20%);
    -webkit-mask-composite:source-in;
    mask-image:linear-gradient(90deg,#0000 0,#00000026 10%,#000000a6 24%,#000 38%),linear-gradient(180deg,#0000 0,#000 20%);
    mask-composite:intersect;
  }
}
/* ===== 20260921 banner v6：顶部羽化加强 ===== */
@media (min-width:1100px){
  .hero-industrial-focus[src*="hero-home-device"]{
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000026 10%,#000000a6 24%,#000 38%),linear-gradient(180deg,#0000 0,#00000040 12%,#000 28%);
    -webkit-mask-composite:source-in;
    mask-image:linear-gradient(90deg,#0000 0,#00000026 10%,#000000a6 24%,#000 38%),linear-gradient(180deg,#0000 0,#00000040 12%,#000 28%);
    mask-composite:intersect;
  }
}
/* ===== 20260921 知识文章 banner：整幅场景图右下呈现 ===== */
.knowledge-hero-bg[src*="/banners/"]{display:none!important}
.knowledge-hero-focus[src*="/banners/"]{
  position:absolute!important;
  inset:auto 0 0 auto!important;
  width:100%!important;
  height:auto!important;
  object-fit:contain!important;
  object-position:right bottom!important;
  filter:contrast(1.05) saturate(1.04)!important;
  -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000033 12%,#000000a6 26%,#000 36%),linear-gradient(180deg,#0000 0,#00000040 12%,#000 28%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(90deg,#0000 0,#00000033 12%,#000000a6 26%,#000 36%),linear-gradient(180deg,#0000 0,#00000040 12%,#000 28%);
  mask-composite:intersect;
}
@media (min-width:1100px){
  .knowledge-hero-focus[src*="/banners/"]{width:min(58%,1120px)!important}
}
/* ===== 20260921 文章标题：允许折行，避免冲出画布压到 banner ===== */
@media (min-width:1100px){
  .knowledge-hero .pipe-hero h1{white-space:normal!important;font-size:clamp(40px,3.8vw,66px)!important;line-height:1.12!important;max-width:820px!important;margin:26px 0 22px!important}
  .knowledge-hero .pipe-hero-copy{padding-right:2vw}
}
/* ===== 20260921 文章标题折行修正（复合选择器修正版） ===== */
@media (min-width:1100px){
  .pipe-hero.knowledge-hero h1{white-space:normal!important;font-size:clamp(40px,3.8vw,66px)!important;line-height:1.14!important;max-width:820px!important;margin:26px 0 22px!important}
}
/* ===== 20260921 文章标题宽度微调 ===== */
@media (min-width:1100px){
  .pipe-hero.knowledge-hero h1{max-width:880px!important}
}
/* ===== 20260921 文章 hero 移动端修正 ===== */
.pipe-hero.knowledge-hero h1{white-space:normal!important}
@media (max-width:1099px){
  .pipe-hero.knowledge-hero h1{font-size:34px!important;line-height:1.18!important}
  .pipe-hero.knowledge-hero .pipe-hero-copy{padding-bottom:64vw!important}
}
/* ===== 20260921 banner v7：渐变减淡收短，设备完全露出 ===== */
@media (min-width:1100px){
  .hero-industrial-focus[src*="hero-home-device"]{
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000012 6%,#0000003d 14%,#00000073 22%,#000 31%),linear-gradient(180deg,#0000 0,#00000040 12%,#000 28%);
    -webkit-mask-composite:source-in;
    mask-image:linear-gradient(90deg,#0000 0,#00000012 6%,#0000003d 14%,#00000073 22%,#000 31%),linear-gradient(180deg,#0000 0,#00000040 12%,#000 28%);
    mask-composite:intersect;
  }
  .knowledge-hero-focus[src*="/banners/"]{
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000012 6%,#0000003d 13%,#00000073 21%,#000 29%),linear-gradient(180deg,#0000 0,#00000040 12%,#000 28%);
    -webkit-mask-composite:source-in;
    mask-image:linear-gradient(90deg,#0000 0,#00000012 6%,#0000003d 13%,#00000073 21%,#000 29%),linear-gradient(180deg,#0000 0,#00000040 12%,#000 28%);
    mask-composite:intersect;
  }
}
/* ===== 20260921 final hero alignment pass: compact first screen + clearer heater ===== */
@media (min-width:1100px){
  .hero{
    height:auto!important;
    min-height:min(820px,100vh)!important;
    grid-template-columns:minmax(520px,42vw) 1fr!important;
    align-items:center!important;
    padding:82px 5.9vw 34px!important;
  }
  .hero .hero-copy{
    max-width:660px!important;
    align-self:center!important;
    transform:translateY(-10px);
  }
  .hero .eyebrow{margin-top:0!important}
  .hero .hero-copy h1{
    margin:28px 0 26px!important;
    font-size:clamp(62px,5.15vw,98px)!important;
    line-height:1!important;
    letter-spacing:-.055em!important;
  }
  .hero-lead{
    max-width:570px!important;
    margin-bottom:30px!important;
    font-size:16px!important;
    line-height:1.9!important;
  }
  .hero-actions{gap:26px!important}
  .hero-metrics{
    margin-top:58px!important;
    gap:46px!important;
  }
  .hero-industrial-focus[src*="hero-home-device"]{
    inset:auto 0 22px auto!important;
    width:min(66vw,1250px)!important;
    max-width:none!important;
    height:auto!important;
    object-fit:contain!important;
    object-position:right bottom!important;
    opacity:1!important;
    filter:contrast(1.12) saturate(1.08) brightness(1.03)!important;
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000024 5%,#00000078 13%,#000000d9 23%,#000 33%),linear-gradient(180deg,#0000 0,#00000072 7%,#000 18%)!important;
    -webkit-mask-composite:source-in!important;
    mask-image:linear-gradient(90deg,#0000 0,#00000024 5%,#00000078 13%,#000000d9 23%,#000 33%),linear-gradient(180deg,#0000 0,#00000072 7%,#000 18%)!important;
    mask-composite:intersect!important;
  }
  .hero:after{
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    background:linear-gradient(90deg,#f1f2f4 0,#f1f2f4fa 29%,#f1f2f4cf 39%,#f1f2f43a 50%,#f1f2f400 62%)!important;
    z-index:1;
  }
  .hero-grid{opacity:.018!important}
  .scroll-cue{right:2vw!important}
}
@media (min-width:1500px){
  .hero{min-height:min(800px,100vh)!important;padding-left:5.8vw!important;padding-right:4.4vw!important}
  .hero-industrial-focus[src*="hero-home-device"]{width:min(64vw,1280px)!important;right:0!important;bottom:18px!important}
}
@media (min-width:1100px) and (max-width:1360px){
  .site-header{padding:0 3.4vw!important}
  .site-header nav{gap:24px!important}
  .hero{grid-template-columns:minmax(470px,42vw) 1fr!important;padding-left:5.2vw!important;padding-right:3.4vw!important}
  .hero .hero-copy h1{font-size:clamp(56px,5.25vw,82px)!important}
  .hero-industrial-focus[src*="hero-home-device"]{width:70vw!important;bottom:26px!important}
}
@media (max-width:1099px){
  .hero{
    min-height:auto!important;
    height:auto!important;
    padding:104px 24px 44px!important;
    grid-template-columns:1fr!important;
  }
  .hero .hero-copy{max-width:100%!important}
  .hero .hero-copy h1{margin:24px 0 20px!important;letter-spacing:-.04em!important}
  .hero-industrial-focus[src*="hero-home-device"]{
    position:relative!important;
    inset:auto!important;
    width:100%!important;
    margin:28px 0 0 auto!important;
    filter:contrast(1.08) saturate(1.05)!important;
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000070 9%,#000 22%),linear-gradient(180deg,#0000 0,#000 12%)!important;
    -webkit-mask-composite:source-in!important;
    mask-image:linear-gradient(90deg,#0000 0,#00000070 9%,#000 22%),linear-gradient(180deg,#0000 0,#000 12%)!important;
    mask-composite:intersect!important;
  }
  .hero:after{display:none!important}
  .hero-metrics{margin-top:42px!important}
}

/* ===== 20260921 final pass 2: larger hero media, tighter inner page hero, clean hotspot labels ===== */
@media (min-width:1100px){
  .hero{
    min-height:min(820px,100vh)!important;
    padding-top:82px!important;
    padding-bottom:28px!important;
  }
  .hero .hero-copy{z-index:4!important;transform:translateY(-6px)!important}
  .hero-industrial-focus[src*="hero-home-device"]{
    width:min(70vw,1340px)!important;
    right:0!important;
    bottom:10px!important;
    filter:contrast(1.12) saturate(1.08) brightness(1.04)!important;
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000008 5%,#00000020 12%,#00000055 20%,#000000b5 31%,#000 43%),linear-gradient(180deg,#0000 0,#0000002b 4%,#000000b8 11%,#000 20%)!important;
    -webkit-mask-composite:source-in!important;
    mask-image:linear-gradient(90deg,#0000 0,#00000008 5%,#00000020 12%,#00000055 20%,#000000b5 31%,#000 43%),linear-gradient(180deg,#0000 0,#0000002b 4%,#000000b8 11%,#000 20%)!important;
    mask-composite:intersect!important;
  }
  .hero:after{
    background:linear-gradient(90deg,#f1f2f4 0,#f1f2f4 25%,#f1f2f4f2 34%,#f1f2f4b0 43%,#f1f2f44a 54%,#f1f2f400 67%)!important;
  }
}
@media (min-width:1500px){
  .hero-industrial-focus[src*="hero-home-device"]{width:min(68vw,1380px)!important;bottom:8px!important}
}
@media (min-width:1100px) and (max-width:1360px){
  .hero-industrial-focus[src*="hero-home-device"]{width:74vw!important;bottom:18px!important}
  .hero:after{background:linear-gradient(90deg,#f1f2f4 0,#f1f2f4 31%,#f1f2f4df 43%,#f1f2f45c 56%,#f1f2f400 70%)!important}
}

@media (min-width:1100px){
  .pipe-hero,
  .solution-hero,
  .knowledge-hero{
    min-height:min(760px,calc(100vh - 8px))!important;
    padding-top:86px!important;
    padding-bottom:34px!important;
    align-items:center!important;
  }
  .pipe-hero-copy,
  .solution-hero .pipe-hero-copy,
  .knowledge-hero .pipe-hero-copy{
    padding-top:0!important;
    align-self:center!important;
    transform:translateY(-10px)!important;
  }
  .pipe-hero h1,
  .pipe-hero.knowledge-hero h1,
  .solution-hero .pipe-hero-copy h1{
    margin-top:18px!important;
    margin-bottom:22px!important;
  }
  .pipe-hero-grid{top:82px!important}
  .knowledge-hero-focus[src*="/banners/"],
  .pipe-site .solution-hero .knowledge-hero-focus{
    top:86px!important;
    bottom:0!important;
    height:calc(100% - 86px)!important;
    object-fit:contain!important;
    object-position:right center!important;
  }
  .solution-hero:after,
  .knowledge-hero:after{
    background:linear-gradient(90deg,#f2f3f5 0,#f2f3f5fb 32%,#f2f3f5dc 45%,#f2f3f58f 61%,#f2f3f51f 82%,#f2f3f500 100%)!important;
  }
}
@media (max-width:1099px){
  .pipe-hero,
  .solution-hero,
  .knowledge-hero{
    min-height:auto!important;
    padding-top:96px!important;
  }
  .pipe-hero-copy,
  .solution-hero .pipe-hero-copy,
  .knowledge-hero .pipe-hero-copy{transform:none!important}
}

.product-hotspot b{
  z-index:8!important;
  color:#2e343b!important;
  background:#f4f5f6e8!important;
  border:1px solid #c6cbd2!important;
  box-shadow:0 6px 18px #ffffffa8!important;
  padding:3px 7px!important;
  line-height:1.2!important;
  white-space:nowrap!important;
  text-shadow:none!important;
  border-radius:2px!important;
}
.duct-hotspots .probe b{left:-88px!important;top:-42px!important}
.duct-hotspots .outlet b{left:-78px!important;top:18px!important}
.duct-hotspots .fan b{left:18px!important;top:22px!important}
.oil-hotspots .expansion b{left:22px!important;top:-44px!important}
.oil-hotspots .gauge b{left:-86px!important;top:12px!important}
.oil-hotspots .controller b{left:22px!important;top:28px!important}
.pipe-hotspots .cabinet b{right:18px!important;top:24px!important}
.pipe-hotspots .inlet b{left:18px!important;top:-36px!important}
.pipe-hotspots .drain b{left:-78px!important;top:18px!important}
@media (max-width:680px){
  .product-hotspot b{font-size:11px!important;padding:2px 5px!important}
  .duct-hotspots .probe b,.oil-hotspots .expansion b{top:-34px!important}
}

/* ===== 20260921 final pass 3: remove inner-page top dead space ===== */
@media (min-width:1100px){
  .pipe-hero,
  .solution-hero,
  .knowledge-hero{
    height:720px!important;
    min-height:720px!important;
    padding-top:0!important;
    padding-bottom:0!important;
    overflow:hidden!important;
  }
  .pipe-hero-copy,
  .solution-hero .pipe-hero-copy,
  .knowledge-hero .pipe-hero-copy{
    transform:translateY(-74px)!important;
  }
  .pipe-hero h1,
  .pipe-hero.knowledge-hero h1,
  .solution-hero .pipe-hero-copy h1{
    margin-top:16px!important;
  }
  .knowledge-hero-focus[src*="/banners/"],
  .pipe-site .solution-hero .knowledge-hero-focus,
  .pipe-hero-machine{
    transform:translateY(-70px)!important;
  }
  .knowledge-hero-focus[src*="/banners/"],
  .pipe-site .solution-hero .knowledge-hero-focus{
    top:88px!important;
    height:calc(100% - 40px)!important;
    object-position:right top!important;
  }
  .pipe-hero .pipe-hero-nav,
  .solution-hero .pipe-hero-nav,
  .knowledge-hero .pipe-hero-nav{
    bottom:0!important;
  }
}
@media (min-width:1500px){
  .pipe-hero,
  .solution-hero,
  .knowledge-hero{height:740px!important;min-height:740px!important}
}

/* ===== 20260921 final pass 4: oil card labels outside equipment outline ===== */
.oil-hotspots .expansion b{left:12px!important;top:-72px!important}
.oil-hotspots .gauge b{left:-122px!important;top:24px!important}
.oil-hotspots .controller b{left:42px!important;top:42px!important}
.duct-hotspots .probe b{left:-96px!important;top:-46px!important}

/* 20260921 final pass 5: keep oil pressure label off the cabinet face */
.oil-hotspots .gauge b{left:-190px!important;top:20px!important}

/* ===== 20260921 final pass 6: seamless home banner bottom + product links already open separately ===== */
@media (min-width:1100px){
  .hero{
    background:#f1f2f4!important;
  }
  .hero-industrial-focus[src*="hero-home-device"]{
    bottom:-2px!important;
  }
  .hero:after{
    bottom:-1px!important;
    background:linear-gradient(90deg,#f1f2f4 0,#f1f2f4 25%,#f1f2f4f2 34%,#f1f2f4b0 43%,#f1f2f44a 54%,#f1f2f400 67%)!important;
  }
}
@media (min-width:1500px){
  .hero-industrial-focus[src*="hero-home-device"]{bottom:-2px!important}
}
@media (min-width:1100px) and (max-width:1360px){
  .hero-industrial-focus[src*="hero-home-device"]{bottom:-2px!important}
}

/* ---- 20260921 首页四个产品卡：去掉图片区外框（压在文字后面的细线框） ---- */
.product-visual:after,
.product-card[data-tilt] .product-visual:after{
  border:none!important;
  box-shadow:none!important;
}

/* ---- 20260921 banner 顶到页头：去掉首页 banner 顶部渐隐（消除页头下的浅色空带） ---- */
@media (min-width:1101px){
  .hero-industrial-focus[src*="hero-home-device"]{
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000008 5%,#00000020 12%,#00000055 20%,#000000b5 31%,#000 43%)!important;
    mask-image:linear-gradient(90deg,#0000 0,#00000008 5%,#00000020 12%,#00000055 20%,#000000b5 31%,#000 43%)!important;
    -webkit-mask-composite:source-over!important;
    mask-composite:add!important;
  }
}

/* ---- 20260921 透明底产品图 banner：去掉上下留白与位移，图片顶到页头 ---- */
.knowledge-hero-focus[src*="-transparent"]{
  padding-top:0!important;
  padding-bottom:0!important;
}
@media (min-width:1024px){
  .pipe-site .solution-hero .knowledge-hero-focus,
  .pipe-site .knowledge-hero-focus,
  .knowledge-hero-focus{
    top:0!important;
    transform:none!important;
  }
}

/* ---- 20260921 产品页大标题加粗 ---- */
.pipe-site .pipe-hero h1,
.pipe-site .solution-hero .pipe-hero-copy h1,
.pipe-site .knowledge-hero h1{
  font-weight:800!important;
}
.pipe-site .pipe-product-copy h3{
  font-weight:800!important;
}
/* ---- 20260921 英文站同步：hero 大标题与分区标题加粗 ---- */
.pipe-hero .pipe-hero-copy h1{
  font-weight:800!important;
}
.section-heading h2{
  font-weight:800!important;
}

/* ---- 20260921 产品卡标注微调：防爆柜文字右移、接线盒文字下移 ---- */
.pipe-hotspots .cabinet b{
  left:26px!important;
}
.tube-hotspots .junction b{
  top:4px!important;
}

/* ---- 20260921 页尾大标题字距放宽、相关链接加粗 ---- */
#explore-title{
  letter-spacing:.05em!important;
}
.explore > a{
  font-weight:700!important;
}
footer > div a{
  font-weight:700!important;
}

/* ---- 20260921 lead 大标题缩小，保证两行排版 ---- */
.lead-intake-heading h2{
  font-size:clamp(34px,3.2vw,56px)!important;
  line-height:1.14!important;
}

/* ---- 20260921 推荐方案框：去掉渐变底与描边，不用边框线约束 ---- */
.lead-recommend{
  background:transparent!important;
  border:0!important;
  box-shadow:none!important;
}

/* ---- 20260921 技术说明区：去掉横线和「内容更新：2026年8月…」文案 ---- */
.technical-note small{
  display:none!important;
}

/* ---- 20260921 首页 banner：完整显示原图、高度铺满、顶部贴住页头（不裁切） ---- */
@media (min-width:1101px){
  .hero-industrial-focus[src*="hero-home-device"]{
    top:0!important;
    bottom:0!important;
    left:auto!important;
    right:0!important;
    height:100%!important;
    width:auto!important;
    object-fit:contain!important;
    object-position:right center!important;
  }
}

/* ---- 20260921 热点标注文字：去掉白色底框 ---- */
.pipe-hotspots .product-hotspot b,
.duct-hotspots .product-hotspot b,
.oil-hotspots .product-hotspot b,
.tube-hotspots .product-hotspot b,
.product-hotspot b{
  background:transparent!important;
  border:none!important;
  box-shadow:none!important;
  text-shadow:0 0 3px #fff,0 0 6px #fff,0 0 9px #fff!important;
}

/* ---- 20260921 知识索引页新 banner：整幅铺开、左侧自然渐隐、无缝无缝隙 ---- */
.knowledge-index-hero .knowledge-hero-focus[src*="/banners/"]{
  position:absolute!important;
  inset:0!important;
  width:100%!important;
  height:100%!important;
  object-fit:cover!important;
  object-position:right center!important;
  opacity:1!important;
  filter:saturate(1.05) contrast(1.04)!important;
  -webkit-mask-image:linear-gradient(90deg,#0000 0,#0000 32%,#0000004d 50%,#000000c9 66%,#000 80%)!important;
  mask-image:linear-gradient(90deg,#0000 0,#0000 32%,#0000004d 50%,#000000c9 66%,#000 80%)!important;
}
.knowledge-index-hero .knowledge-hero-bg{display:none!important}

/* ---- 20260925 知识首页 banner：大屏完整展示右侧设备，不再用 cover 裁切 ---- */
@media (min-width:1100px){
  .knowledge-index-hero .knowledge-hero-focus[src*="/banners/"]{
    inset:0 0 0 auto!important;
    width:min(58%,1120px)!important;
    height:100%!important;
    object-fit:contain!important;
    object-position:right center!important;
    transform:none!important;
  }
}

/* ---- 20260921 知识文章页：压缩 banner 下方空白 ---- */
@media (min-width:1024px){
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero){
    height:auto!important;
    min-height:560px!important;
    padding-top:86px!important;
    padding-bottom:44px!important;
  }
}

/* ===== 20260921 final pass 7: remove product visual inner rectangle and reposition labels ===== */
.product-visual:before,
.product-visual:after{
  border:0!important;
  box-shadow:none!important;
}

.product-visual:before{
  background-image:none!important;
}
.oil-hotspots .gauge b{
  left:14px!important;
  top:20px!important;
}
.tube-hotspots .junction b{
  left:18px!important;
  top:34px!important;
}

/* ===== 20260921 final pass 8: remove product visual blocks and all generated hotspots ===== */
.product-hotspots,
.product-hotspot,
.product-hotspot i,
.product-hotspot b,
.hotspot-toggle{
  display:none!important;
  opacity:0!important;
  visibility:hidden!important;
}
.product-visual{
  background:radial-gradient(ellipse at 50% 58%,#d2342a24 0%,#d2342a16 28%,#d2342a08 45%,transparent 72%)!important;
}
.product-visual:before,
.product-visual:after,
.product-coordinate-layer:before,
.product-coordinate-layer:after,
.visual-orbit,
.visual-orbit:before,
.visual-orbit:after,
.visual-glow{
  display:none!important;
  opacity:0!important;
  border:0!important;
  box-shadow:none!important;
  background:none!important;
}
.product-image,
.product-visual.oil .product-image,
.product-visual.pipe .product-image,
.product-visual.duct .product-image,
.product-visual.tube .product-image{
  -webkit-mask-image:radial-gradient(ellipse at 50% 58%,#000 0 58%,#000c 70%,#0000 86%)!important;
  mask-image:radial-gradient(ellipse at 50% 58%,#000 0 58%,#000c 70%,#0000 86%)!important;
}

/* ===== 20260921 final pass 9: restore product hotspots and labels ===== */
.product-hotspots,
.product-coordinate-layer{
  display:block!important;
  opacity:1!important;
  visibility:visible!important;
}
.product-hotspot{
  display:block!important;
  opacity:1!important;
  visibility:visible!important;
}
.product-hotspot i,
.product-hotspot b{
  display:block!important;
  opacity:1!important;
  visibility:visible!important;
}
.hotspot-toggle{
  display:inline-flex!important;
  opacity:1!important;
  visibility:visible!important;
}
.product-visual{
  background:radial-gradient(ellipse at 50% 58%,#d2342a24 0%,#d2342a16 28%,#d2342a08 45%,transparent 72%)!important;
}
.product-visual:before,
.product-visual:after,
.visual-orbit,
.visual-orbit:before,
.visual-orbit:after,
.visual-glow{
  display:none!important;
  opacity:0!important;
  border:0!important;
  box-shadow:none!important;
  background:none!important;
}

/* 20260921 final pass 10: keep hotspot labels, hide the extra structure-toggle button */
.hotspot-toggle{
  display:none!important;
  opacity:0!important;
  visibility:hidden!important;
}

/* ===== 20260921 final pass 11: homepage banner image swap, product label, title rhythm ===== */
@media (min-width:1101px){
  .hero-industrial-bg[src*="hero-industrial-heater"]{
    display:block!important;
    position:absolute!important;
    inset:0!important;
    width:100%!important;
    height:100%!important;
    object-fit:cover!important;
    object-position:right center!important;
    opacity:.78!important;
    filter:saturate(1.03) contrast(1.04) brightness(1.1)!important;
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#0000 28%,#00000040 46%,#000000c7 63%,#000 80%)!important;
    mask-image:linear-gradient(90deg,#0000 0,#0000 28%,#00000040 46%,#000000c7 63%,#000 80%)!important;
  }
  .hero-industrial-focus[src*="hero-industrial-heater"]{
    top:0!important;
    bottom:0!important;
    left:auto!important;
    right:0!important;
    width:min(62vw,1060px)!important;
    height:100%!important;
    object-fit:cover!important;
    object-position:right center!important;
    opacity:1!important;
    filter:saturate(1.05) contrast(1.05) brightness(1.12)!important;
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000008 9%,#00000073 24%,#000 42%,#000 100%),linear-gradient(180deg,#000 0,#000 88%,#0000 100%)!important;
    mask-image:linear-gradient(90deg,#0000 0,#00000008 9%,#00000073 24%,#000 42%,#000 100%),linear-gradient(180deg,#000 0,#000 88%,#0000 100%)!important;
    -webkit-mask-composite:source-in!important;
    mask-composite:intersect!important;
  }
}
@media (max-width:1100px){
  .hero-industrial-bg[src*="hero-industrial-heater"],
  .hero-industrial-focus[src*="hero-industrial-heater"]{
    object-position:center bottom!important;
    filter:saturate(1.04) contrast(1.04) brightness(1.12)!important;
  }
}
.oil-hotspots .gauge b{
  left:-78px!important;
  top:13px!important;
}
.selection-heading h2,
.section-heading h2,
.about h2,
.knowledge h2,
.faq-intro h2{
  font-size:clamp(46px,5vw,78px)!important;
  line-height:1.08!important;
  letter-spacing:-.055em!important;
}
.about h2 .about-title-line,
.selection-heading h2 br,
.section-heading h2 br,
.faq-intro h2 br{
  display:block!important;
}
@media (max-width:760px){
  .selection-heading h2,
  .section-heading h2,
  .about h2,
  .knowledge h2,
  .faq-intro h2{
    font-size:clamp(34px,12vw,52px)!important;
    line-height:1.09!important;
  }
}

/* ===== 20260921 final pass 12: clearer hero front and consistent closing title ===== */
@media (min-width:1101px){
  .hero-industrial-focus[src*="hero-industrial-heater"]{
    -webkit-mask-image:linear-gradient(90deg,#0000 0,#00000026 7%,#000000b3 18%,#000 31%,#000 100%),linear-gradient(180deg,#000 0,#000 90%,#0000 100%)!important;
    mask-image:linear-gradient(90deg,#0000 0,#00000026 7%,#000000b3 18%,#000 31%,#000 100%),linear-gradient(180deg,#000 0,#000 90%,#0000 100%)!important;
  }
}
.explore h2{
  font-size:clamp(46px,5vw,78px)!important;
  line-height:1.08!important;
  letter-spacing:-.055em!important;
}

/* ===== 20260921 final pass 13: override previous explore title letter spacing ===== */
#explore-title{
  font-size:clamp(46px,5vw,78px)!important;
  line-height:1.08!important;
  letter-spacing:-.055em!important;
}

/* ===== 20260921 final pass 14: restore previous banner composition and keep domain title on one line ===== */
#domain-title,
.domain-hub-intro h2{
  white-space:nowrap!important;
  font-size:clamp(38px,4.4vw,70px)!important;
  line-height:1.08!important;
  letter-spacing:-.055em!important;
}
@media (max-width:760px){
  #domain-title,
  .domain-hub-intro h2{
    font-size:clamp(28px,8.8vw,44px)!important;
  }
}
@media (min-width:1101px){
  .hero-industrial-focus[src*="hero-home-device-clean"]{
    top:0!important;
    bottom:0!important;
    left:auto!important;
    right:0!important;
    height:100%!important;
    width:auto!important;
    object-fit:contain!important;
    object-position:right center!important;
  }
}

/* ===== 20260921 final pass 15: one-line domain title without overlapping links ===== */
#domain-title,
.domain-hub-intro h2{
  white-space:nowrap!important;
  font-size:clamp(34px,3.25vw,48px)!important;
  line-height:1.08!important;
  letter-spacing:-.045em!important;
  max-width:none!important;
}
@media (max-width:760px){
  #domain-title,
  .domain-hub-intro h2{
    font-size:clamp(25px,7.8vw,36px)!important;
  }
}

/* ===== 20260921 final pass 16: clearer hero title spacing and outline text ===== */
.hero-copy h1{
  line-height:.96!important;
}
.hero-copy h1 span{
  display:block!important;
  margin-bottom:.12em!important;
}
.hero-copy h1 em{
  display:block!important;
  color:rgba(36,43,58,.13)!important;
  -webkit-text-stroke:2px rgba(150,160,175,.86)!important;
  text-stroke:2px rgba(150,160,175,.86)!important;
  text-shadow:0 1px 0 rgba(255,255,255,.65),0 0 1px rgba(36,43,58,.22)!important;
}
@media (max-width:760px){
  .hero-copy h1 span{margin-bottom:.08em!important;}
  .hero-copy h1 em{
    -webkit-text-stroke:1.4px rgba(150,160,175,.9)!important;
    text-stroke:1.4px rgba(150,160,175,.9)!important;
  }
}

/* ===== 20260921 final pass 17: requested visual polish and knowledge article fixes ===== */
.hero-copy h1,
.hero-copy h1 span,
.hero-copy h1 em{
  letter-spacing:.018em!important;
}
.hero-copy h1 span{
  margin-bottom:.16em!important;
}
.hero-copy h1 em{
  color:rgba(210,52,42,.08)!important;
  -webkit-text-stroke:2.4px rgba(210,52,42,.82)!important;
  text-stroke:2.4px rgba(210,52,42,.82)!important;
  text-shadow:0 1px 0 rgba(255,255,255,.78),0 0 8px rgba(210,52,42,.12)!important;
}
.section-heading h2,
.selection-heading h2,
.about h2,
.knowledge h2,
.faq-intro h2,
#explore-title{
  letter-spacing:-.018em!important;
}
.product-visual .product-image{
  transform:scale(1.1)!important;
  transform-origin:center center!important;
}
.product-hotspot i,
.product-hotspot b{
  transform:scale(1.08)!important;
  transform-origin:left center!important;
}
.product-card:not(:hover) .product-hotspots,
.product-card:not(:hover) .product-hotspot,
.product-card:not(:hover) .product-hotspot i,
.product-card:not(:hover) .product-hotspot b{
  opacity:0!important;
  visibility:hidden!important;
  pointer-events:none!important;
}
.product-card:hover .product-hotspots,
.product-card:hover .product-hotspot,
.product-card:hover .product-hotspot i,
.product-card:hover .product-hotspot b{
  opacity:1!important;
  visibility:visible!important;
}
.process strong{
  white-space:nowrap!important;
  letter-spacing:.02em!important;
}
.process li div{
  min-width:128px!important;
}
.pipe-header nav a,
.pipe-subnav a,
.knowledge-lang-alt{
  font-weight:800!important;
}
.pipe-hero.knowledge-hero h1 br{
  display:block!important;
}
.pipe-hero.knowledge-hero h1{
  letter-spacing:-.018em!important;
  line-height:1.08!important;
}
.knowledge-keypoints{
  gap:10px!important;
}
.knowledge-keypoints li{
  white-space:nowrap!important;
  font-size:14px!important;
  letter-spacing:0!important;
  padding-left:13px!important;
  padding-right:13px!important;
}
@media (max-width:760px){
  .hero-copy h1 em{
    -webkit-text-stroke:1.7px rgba(210,52,42,.86)!important;
    text-stroke:1.7px rgba(210,52,42,.86)!important;
  }
  .knowledge-keypoints li{font-size:13px!important;}
}

/* ===== 20260921 final pass 20: keep knowledge article hero titles to exact two lines ===== */
.pipe-hero.knowledge-hero .pipe-hero-copy{
  max-width:790px!important;
}
.pipe-hero.knowledge-hero h1{
  font-size:clamp(42px,3.55vw,56px)!important;
  line-height:1.09!important;
  max-width:790px!important;
}
.pipe-hero.knowledge-hero h1 span{
  display:inline-block!important;
  white-space:nowrap!important;
}
@media (max-width:760px){
  .pipe-hero.knowledge-hero h1 span{white-space:normal!important;}
}

/* ===== 20260921 final pass 21: make hero secondary title solid brand red ===== */
.hero-copy h1 em{
  color:#d2342a!important;
  -webkit-text-fill-color:#d2342a!important;
  -webkit-text-stroke:1px rgba(128,28,22,.82)!important;
  text-stroke:1px rgba(128,28,22,.82)!important;
  text-shadow:0 2px 0 rgba(255,255,255,.72),0 10px 24px rgba(210,52,42,.18)!important;
}
@media (max-width:760px){
  .hero-copy h1 em{
    -webkit-text-stroke:.7px rgba(128,28,22,.86)!important;
    text-stroke:.7px rgba(128,28,22,.86)!important;
  }
}

/* ===== 20260921 final pass 22: align duct heater temperature probe hotspot ===== */
.duct-hotspots .probe{
  --hotspot-x:21.1%!important;
  --hotspot-y:54.2%!important;
}

/* ===== 20260921 final pass 23: fine tune duct temperature probe dot to black marker ===== */
.duct-hotspots .probe{
  --hotspot-x:20.35%!important;
  --hotspot-y:53.25%!important;
}

/* ===== 20260921 final pass 24: unify knowledge hero actions and keypoints layout ===== */
.knowledge-hero .pipe-hero-copy{
  --knowledge-action-width:180px;
  --knowledge-gap:8px;
}
.knowledge-hero .pipe-actions{
  display:grid!important;
  grid-template-columns:var(--knowledge-action-width) var(--knowledge-action-width)!important;
  gap:var(--knowledge-gap)!important;
  width:calc(var(--knowledge-action-width) * 2 + var(--knowledge-gap))!important;
  margin-top:28px!important;
}
.knowledge-hero .pipe-actions a{
  min-height:48px!important;
  height:48px!important;
  padding:0 18px!important;
  display:flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  white-space:nowrap!important;
  border-radius:2px!important;
  font-weight:800!important;
}
.knowledge-hero .pipe-actions a:first-child{
  background:#d2342a!important;
  border-color:#d2342a!important;
  color:#111827!important;
  box-shadow:none!important;
}
.knowledge-hero .pipe-actions a:nth-child(2){
  background:transparent!important;
  color:#222938!important;
  border-color:transparent!important;
  border-bottom:1px solid #cfd4dc!important;
}
.knowledge-hero .knowledge-keypoints{
  display:grid!important;
  grid-template-columns:repeat(2,var(--knowledge-action-width))!important;
  gap:var(--knowledge-gap)!important;
  width:calc(var(--knowledge-action-width) * 2 + var(--knowledge-gap))!important;
  margin-top:8px!important;
  padding:0!important;
  list-style:none!important;
}
.knowledge-hero .knowledge-keypoints li{
  height:40px!important;
  min-height:40px!important;
  display:flex!important;
  align-items:center!important;
  justify-content:center!important;
  margin:0!important;
  padding:0 12px!important;
  border:1px solid #c7ced8!important;
  background:rgba(255,255,255,.48)!important;
  color:#263044!important;
  font-size:14px!important;
  line-height:1.15!important;
  font-weight:500!important;
  white-space:nowrap!important;
  box-sizing:border-box!important;
}
@media (max-width:760px){
  .knowledge-hero .pipe-hero-copy{--knowledge-action-width:min(44vw,170px)}
  .knowledge-hero .pipe-actions,
  .knowledge-hero .knowledge-keypoints{
    width:100%!important;
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
  }
  .knowledge-hero .knowledge-keypoints li{font-size:12px!important;}
}

/* ===== 20260922 final pass 25: clearer secondary buttons and bilingual spacing ===== */
.hero-actions{
  align-items:center!important;
  gap:12px!important;
}
.hero-actions .primary-button,
.hero-actions .text-button,
.knowledge-hero .pipe-actions a,
.knowledge-index-hero .pipe-actions a,
.pipe-actions a{
  min-height:50px!important;
  height:50px!important;
  box-sizing:border-box!important;
  border-radius:3px!important;
  display:inline-flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:18px!important;
  padding:0 24px!important;
  font-weight:800!important;
  white-space:nowrap!important;
}
.hero-actions .text-button,
.pipe-actions a:nth-child(2),
.knowledge-index-hero .pipe-actions a:nth-child(2),
.knowledge-hero .pipe-actions a:nth-child(2){
  min-width:210px!important;
  background:rgba(255,255,255,.56)!important;
  border:1px solid #b8c0cc!important;
  border-bottom-color:#aeb7c4!important;
  color:#222938!important;
  box-shadow:0 12px 28px -24px rgba(17,24,39,.45)!important;
  text-decoration:none!important;
}
.hero-actions .text-button span,
.pipe-actions a:nth-child(2) span,
.knowledge-index-hero .pipe-actions a:nth-child(2) span,
.knowledge-hero .pipe-actions a:nth-child(2) span{
  color:#d2342a!important;
  margin-left:auto!important;
}
.hero-actions .text-button:hover,
.pipe-actions a:nth-child(2):hover,
.knowledge-index-hero .pipe-actions a:nth-child(2):hover,
.knowledge-hero .pipe-actions a:nth-child(2):hover{
  background:rgba(255,255,255,.82)!important;
  border-color:#d2342a!important;
  color:#111827!important;
}
.knowledge-hero .knowledge-keypoints li,
.knowledge-index-hero .knowledge-keypoints li,
.knowledge-keypoints li{
  background:rgba(255,255,255,.66)!important;
  border:1px solid #b8c0cc!important;
  color:#263044!important;
  font-weight:600!important;
  box-shadow:0 10px 22px -24px rgba(17,24,39,.42)!important;
}
.knowledge-hero .knowledge-keypoints li:hover,
.knowledge-index-hero .knowledge-keypoints li:hover,
.knowledge-keypoints li:hover{
  border-color:#d2342a!important;
  color:#111827!important;
  background:rgba(255,255,255,.88)!important;
}
.process li div{
  display:grid!important;
  grid-template-columns:minmax(86px,max-content) max-content!important;
  align-items:center!important;
  column-gap:14px!important;
  min-width:190px!important;
}
.process strong{
  grid-column:1!important;
  white-space:nowrap!important;
  letter-spacing:.02em!important;
}
.process small{
  grid-column:2!important;
  margin-left:0!important;
  white-space:nowrap!important;
  letter-spacing:.18em!important;
  line-height:1.05!important;
}
@media (max-width:760px){
  .hero-actions,
  .pipe-actions{
    gap:10px!important;
  }
  .hero-actions .primary-button,
  .hero-actions .text-button,
  .pipe-actions a{
    min-width:0!important;
    width:100%!important;
    padding:0 18px!important;
  }
  .process li div{
    grid-template-columns:minmax(76px,max-content) max-content!important;
    column-gap:10px!important;
    min-width:0!important;
  }
}

/* ===== 20260922 final pass 26: product readability, card polish, oil hero motion restore ===== */
.pipe-site .pipe-product-copy strong,
.pipe-site .pipe-product-copy p,
.pipe-site .pipe-product-copy li,
.pipe-site .pipe-comparison-row span,
.pipe-site .pipe-comparison-row strong,
.pipe-site .pipe-comparison-row b{
  opacity:1!important;
}
.pipe-site .pipe-product-copy strong{
  color:#4b5563!important;
  line-height:1.95!important;
}
.pipe-site .pipe-product-copy p,
.pipe-site .pipe-product-copy li{
  color:#4f5968!important;
}
.pipe-site .pipe-product{
  background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(246,248,251,.82))!important;
  border-color:#c8ced8!important;
  box-shadow:0 18px 46px -42px rgba(17,24,39,.55)!important;
}
.pipe-site .pipe-product:hover{
  background:linear-gradient(135deg,rgba(255,255,255,.99),rgba(252,247,246,.88))!important;
  border-color:#d2342a!important;
  box-shadow:0 22px 54px -40px rgba(210,52,42,.42)!important;
}
.pipe-site .pipe-product:hover .pipe-product-copy strong,
.pipe-site .pipe-product:hover .pipe-product-copy p,
.pipe-site .pipe-product:hover .pipe-product-copy li,
.pipe-site .pipe-product:hover .pipe-product-copy span{
  color:#374151!important;
  opacity:1!important;
}
.pipe-site .pipe-product:hover .pipe-product-copy h3{
  color:#d2342a!important;
}
.pipe-site .pipe-comparison-row:not(.pipe-comparison-head):hover,
.pipe-site .pipe-comparison-row:not(.pipe-comparison-head):hover *{
  color:#2a3240!important;
  opacity:1!important;
}
.pipe-site .pipe-comparison-row:not(.pipe-comparison-head):hover{
  background:linear-gradient(90deg,rgba(210,52,42,.08),rgba(255,255,255,.7))!important;
}
.pipe-site .pipe-comparison-row:not(.pipe-comparison-head):hover strong,
.pipe-site .pipe-comparison-row:not(.pipe-comparison-head):hover strong i{
  color:#d2342a!important;
}
.oil-site .pipe-hero-machine.hero-principle--oil{
  display:block!important;
  opacity:1!important;
  visibility:visible!important;
}
.oil-site .hero-principle--oil .principle-effects,
.oil-site .hero-principle--oil .principle-effects svg,
.oil-site .hero-principle--oil .principle-effects i,
.oil-site .hero-principle--oil .oil-flow-map,
.oil-site .hero-principle--oil .hero-principle-outline{
  display:block!important;
  opacity:1!important;
  visibility:visible!important;
}
.oil-site .hero-principle--oil .principle-tank-pulse,
.oil-site .hero-principle--oil .principle-heat-zone{
  animation:heat-pulse 2.4s ease-in-out infinite!important;
}
.oil-site .hero-principle--oil .oil-flow-line{
  animation:flow-dash 1.55s linear infinite!important;
}
.oil-site .hero-principle--oil .hero-principle-outline{
  mix-blend-mode:multiply!important;
  filter:grayscale(1) sepia(.22) saturate(1.45) hue-rotate(-18deg) contrast(1.32) brightness(1.04)!important;
}
@media (max-width:760px){
  .pipe-site .pipe-product-copy strong{line-height:1.8!important;}
}


/* ===== 20260922 codex polish: subtle grids, comparison headers, product image finish ===== */

/* 1. Reduce visible vertical/grid banding on hero and product visual areas. */
.hero-grid,
.pipe-hero-grid,
.product-visual:before,
.pipe-product-image:before,
.pipe-product-image:after{
  opacity:.012!important;
}
.pipe-hero-grid{
  background-image:linear-gradient(rgba(35,42,56,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(35,42,56,.022) 1px,transparent 1px)!important;
  background-size:96px 96px!important;
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.42),rgba(0,0,0,.08) 70%,transparent 94%)!important;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.42),rgba(0,0,0,.08) 70%,transparent 94%)!important;
}
.pipe-hero:after,
.hero:after{
  content:"";
  pointer-events:none;
  background:linear-gradient(90deg,rgba(245,246,248,.34),rgba(245,246,248,.16) 42%,rgba(245,246,248,.52) 100%);
  position:absolute;
  inset:0;
  z-index:0;
}
.pipe-hero-copy,
.pipe-hero-machine,
.pipe-hero-index,
.hero-copy,
.hero-industrial-bg,
.hero-industrial-focus{
  z-index:2!important;
}
.pipe-site .pipe-product-image{
  background-image:radial-gradient(circle at 50% 46%,rgba(231,69,60,.055),transparent 58%),url(/specialists/shared-product-honeycomb-light.webp?v=2)!important;
  box-shadow:0 18px 42px rgba(17,24,39,.10),inset 0 0 52px rgba(17,24,39,.035)!important;
}
.pipe-site .pipe-product-image img{
  filter:contrast(1.1) saturate(.92) brightness(1.04) drop-shadow(0 14px 18px rgba(17,24,39,.18))!important;
}
.pipe-site .pipe-product:hover .pipe-product-image img{
  filter:contrast(1.14) saturate(.96) brightness(1.06) drop-shadow(0 18px 22px rgba(17,24,39,.22))!important;
}

/* 3. Make the four product structure comparison headers read as headers. */
.pipe-site .pipe-comparison-head b,
.pipe-site .pipe-comparison-row.pipe-comparison-head b{
  font-weight:800!important;
  color:#202734!important;
  letter-spacing:.08em!important;
}
.pipe-site .pipe-comparison-head{
  background:rgba(255,255,255,.42)!important;
}


/* ===== 20260922 codex K3 knowledge hero stable title ===== */

.knowledge-hero .knowledge-hero-focus[src*="k3-explosion-proof"],
.knowledge-hero .knowledge-hero-bg[src*="k3-explosion-proof"]{
  animation:none!important;
  transition:none!important;
  opacity:.9!important;
  transform:none!important;
  will-change:auto!important;
}
.knowledge-hero .knowledge-hero-bg[src*="k3-explosion-proof"]{
  display:none!important;
}
.pipe-hero.knowledge-hero h1 em{
  display:block!important;
  width:max-content!important;
  max-width:100%!important;
  margin-top:.04em!important;
  line-height:.95!important;
}


/* ===== 20260922 codex K3 title and keypoint layout ===== */

@media (min-width:761px){
  .knowledge-hero .pipe-eyebrow:has(+ #article-title) + #article-title{
    max-width:690px!important;
    font-size:clamp(44px,4.35vw,66px)!important;
    line-height:1.06!important;
    margin-bottom:26px!important;
  }
}
.knowledge-hero .pipe-eyebrow:has(+ #article-title) + #article-title em{
  display:block!important;
  width:max-content!important;
  max-width:100%!important;
  margin-top:.02em!important;
  line-height:.94!important;
}
.knowledge-hero .knowledge-keypoints li{
  white-space:normal!important;
  min-width:0!important;
  line-height:1.35!important;
  text-align:center!important;
}
@media (min-width:761px){
  .knowledge-hero .knowledge-keypoints{
    max-width:560px!important;
  }
  .knowledge-hero .knowledge-keypoints li{
    flex:0 1 calc(50% - 5px)!important;
  }
}


/* ===== 20260922 codex K3 final fixed hero title ===== */

#article-title.k3-hero-title-fixed{
  max-width:620px!important;
  font-size:clamp(40px,3.85vw,58px)!important;
  line-height:1.08!important;
  letter-spacing:-.045em!important;
  margin:24px 0 26px!important;
}
#article-title.k3-hero-title-fixed em{
  display:block!important;
  width:max-content!important;
  max-width:100%!important;
  margin-top:.02em!important;
  line-height:.94!important;
}

/* ===== 20260923 产品图：浅色工业背景 =====
   原产品文件自带纯黑底；screen 混合模式会让纯黑区域透出下方浅色底纹，
   同时保留金属元件的高光，不需要再为每张图单独烘焙背景。 */
.pipe-site .pipe-product-image{
  background-color:#f4f6f8!important;
  background-image:
    radial-gradient(circle at 50% 44%,rgba(210,52,42,.09),transparent 47%),
    linear-gradient(135deg,rgba(255,255,255,.72),rgba(226,231,236,.54)),
    url(/specialists/shared-product-honeycomb-light.webp?v=2)!important;
  background-position:center!important;
  background-size:auto,auto,cover!important;
  border-color:rgba(143,153,166,.34)!important;
  box-shadow:0 20px 46px rgba(30,41,59,.11),inset 0 0 58px rgba(30,41,59,.04)!important;
}
.pipe-site .pipe-product-image img{
  mix-blend-mode:normal!important;
  object-fit:contain!important;
  width:90%!important;
  height:90%!important;
  filter:contrast(1.04) saturate(.96) brightness(1.01) drop-shadow(0 14px 18px rgba(30,41,59,.16))!important;
}
.pipe-site .pipe-product:hover .pipe-product-image img{
  mix-blend-mode:normal!important;
  transform:scale(1.025)!important;
  filter:contrast(1.07) saturate(1) brightness(1.03) drop-shadow(0 18px 24px rgba(30,41,59,.2))!important;
}

/* 导热油页采用已校正的矢量原理图：关闭旧位图叠层，避免旧管线再次叠回页面。 */
.hero-principle--oil .hero-principle-image[src*="thermal-oil-heater-principle.svg"]{
  filter:none!important;
  opacity:1!important;
  aspect-ratio:1600 / 1100!important;
}
.hero-principle--oil .hero-principle-image[src*="thermal-oil-heater-principle.svg"]~.hero-principle-outline,
.hero-principle--oil .hero-principle-image[src*="thermal-oil-heater-principle.svg"]~.principle-effects,
.hero-principle--oil .hero-principle-image[src*="thermal-oil-heater-principle.svg"]~.principle-labels{
  display:none!important;
}

/* 用户指定恢复原原理图：保持静态展示，不加载后续叠加的流动光点、轮廓或文字。 */
.hero-principle--oil .hero-principle-image[src*="thermal-oil-heater-principle-v2.webp"]~.hero-principle-outline,
.hero-principle--oil .hero-principle-image[src*="thermal-oil-heater-principle-v2.webp"]~.principle-effects{
  display:none!important;
}
.hero-principle--oil .hero-principle-image[src*="thermal-oil-heater-principle-v2.webp"]~.principle-labels{
  display:block!important;
}

/* 产品页首屏：压缩原模板保留的底部安全留白，不裁切首屏内容。 */
@media (min-width:1001px){
  .pipe-site .pipe-hero{
    height:640px!important;
    min-height:640px!important;
    overflow:visible!important;
  }
}

/* 产品页 Banner：保留原理图本身，移除分栏处的渐变/网格遮罩与竖向扫描光。 */
.pipe-site .pipe-hero-grid{
  background:none!important;
  -webkit-mask-image:none!important;
  mask-image:none!important;
}
.pipe-site .pipe-hero-machine,
.pipe-site .pipe-hero-machine.blueprint-machine{
  background:transparent!important;
}
.pipe-site .pipe-hero-machine::before,
.pipe-site .pipe-hero-machine::after,
.pipe-site .pipe-hero::before,
.pipe-site .pipe-hero::after,
.pipe-site .blueprint-machine::before,
.pipe-site .blueprint-machine::after,
.pipe-site .blueprint-machine .blueprint-focus,
.pipe-site .hero-principle .principle-effects{
  content:none!important;
  display:none!important;
  background:none!important;
  box-shadow:none!important;
}

/* 产品矩阵区采用纯色画布：不让页面级特效、渐变或网格透入。 */
.pipe-site .pipe-overview{
  background:#f5f6f8!important;
  background-image:none!important;
}
.pipe-site.specialist-effects::before,
.pipe-site.specialist-effects::after{
  content:none!important;
  display:none!important;
}
.pipe-site .pipe-overview .pipe-section-title > p{
  display:flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-height:18px!important;
  margin:0!important;
  padding:2px 0!important;
  overflow:visible!important;
  line-height:1.6!important;
  color:#68717c!important;
  white-space:nowrap!important;
}

/* English product pages: give the equipment illustration the same visual weight as the Chinese specialist banners. */
@media (min-width:1100px){
  html.en-page .pipe-hero{
    min-height:720px!important;
    grid-template-columns:48% 52%!important;
  }
  html.en-page .pipe-hero-machine.product-visual{
    align-self:center!important;
    height:560px!important;
    min-height:560px!important;
    overflow:visible!important;
  }
  html.en-page .pipe-hero-machine.product-visual .product-image{
    top:48%!important;
    left:50%!important;
    width:84%!important;
    height:84%!important;
    max-width:none!important;
    max-height:none!important;
    object-fit:contain!important;
    transform:translate(-50%,-50%) scale(1.25)!important;
  }
  html.en-page .comparison .comparison-table{
    width:100%!important;
    max-width:none!important;
  }
  html.en-page .comparison .comparison-row{
    grid-template-columns:minmax(210px,.28fr) minmax(0,1fr)!important;
    min-height:92px!important;
  }
}

/* English specification block: keep the compact two-column table and use the adjacent space for selection guidance. */
@media (min-width:1100px){
  html.en-page .comparison .comparison-table{
    display:inline-grid!important;
    width:min(620px,42%)!important;
    max-width:620px!important;
    vertical-align:top!important;
  }
  html.en-page .comparison .comparison-row{
    grid-template-columns:186px minmax(0,1fr)!important;
    min-height:0!important;
  }
  html.en-page .comparison .comparison-aside{
    display:inline-flex!important;
    vertical-align:top!important;
    box-sizing:border-box!important;
    width:min(520px,34%)!important;
    min-height:390px!important;
    margin:34px 0 0 clamp(42px,6vw,112px)!important;
    padding:34px 36px!important;
    flex-direction:column!important;
    justify-content:center!important;
    border-left:1px solid #c8ccd2!important;
    background:linear-gradient(135deg,#f8f9fa 0%,#f4f1f0 100%)!important;
  }
  html.en-page .comparison-aside small{
    color:var(--pipe-orange)!important;
    font:10px var(--mono)!important;
    letter-spacing:.18em!important;
  }
  html.en-page .comparison-aside h3{
    margin:16px 0 20px!important;
    color:#2b313a!important;
    font-size:30px!important;
    line-height:1.18!important;
  }
  html.en-page .comparison-aside ul{
    display:grid!important;
    gap:13px!important;
    margin:0!important;
    padding:0!important;
    list-style:none!important;
  }
  html.en-page .comparison-aside li{
    color:#59616c!important;
    font-size:14px!important;
    line-height:1.65!important;
  }
  html.en-page .comparison-aside li::before{
    content:""!important;
    display:inline-block!important;
    width:6px!important;
    height:6px!important;
    margin:0 10px 2px 0!important;
    background:var(--pipe-orange)!important;
  }
}

/* Fifth English selection card: a dedicated hazardous-area marker, not a repeated bar chart. */
html.en-page .specialist-tech-visual.tech-5 i:first-of-type{
  width:50px!important;
  height:50px!important;
  left:calc(50% - 25px)!important;
  bottom:31px!important;
  border:1px solid var(--pipe-orange)!important;
  background:linear-gradient(135deg,#d2342a16,#0000)!important;
  transform:rotate(45deg)!important;
}
html.en-page .specialist-tech-visual.tech-5 i:nth-of-type(2){
  width:2px!important;
  height:32px!important;
  left:calc(50% - 1px)!important;
  bottom:40px!important;
  border:0!important;
  background:var(--pipe-orange)!important;
  box-shadow:0 0 8px #d2342a66!important;
}
html.en-page .specialist-tech-visual.tech-5 i:nth-of-type(3){
  width:7px!important;
  height:7px!important;
  left:calc(50% - 3px)!important;
  bottom:38px!important;
  border:0!important;
  border-radius:50%!important;
  background:#353b44!important;
}

/* English detail pages: shared baselines and a tighter hand-off from the banner to content. */
@media (min-width:1100px){
  html.en-page .pipe-hero{
    min-height:640px!important;
  }
  html.en-page .pipe-hero-machine.product-visual{
    height:540px!important;
    min-height:540px!important;
  }
  html.en-page .specialist-knowledge{
    padding-top:72px!important;
    padding-bottom:72px!important;
  }
  html.en-page .specialist-knowledge .pipe-section-title{
    margin-bottom:38px!important;
  }
  html.en-page .specialist-knowledge-grid{
    align-items:stretch!important;
  }
  html.en-page .specialist-knowledge-grid article{
    display:flex!important;
    flex-direction:column!important;
    min-height:350px!important;
  }
  html.en-page .specialist-knowledge-grid h3{
    min-height:92px!important;
    margin:0 0 16px!important;
  }
  html.en-page .specialist-knowledge-grid .specialist-tech-visual{
    flex:0 0 122px!important;
    margin:auto 0 0!important;
  }
  html.en-page .applications .application-grid,
  html.en-page .safety .safety-grid{
    grid-template-columns:repeat(4,minmax(0,1fr))!important;
  }
}

/* 20260924 产品页首屏：统一原理图说明栏，删除电加热管重复安装文字。 */
.pipe-site .tube-install-notes{display:none!important;}
.pipe-site .pipe-hero-machine figcaption{
  position:absolute!important;
  left:8%!important;
  right:8%!important;
  bottom:24px!important;
  width:auto!important;
  min-height:42px!important;
  margin:0!important;
  padding:13px 0 0!important;
  border-top:1px solid rgba(117,128,141,.25)!important;
  display:flex!important;
  align-items:flex-start!important;
  justify-content:space-between!important;
  color:#d2342a!important;
  font:11px/1.4 var(--mono)!important;
  letter-spacing:.04em!important;
  z-index:4!important;
}
.pipe-site .pipe-hero-machine figcaption span,
.pipe-site .pipe-hero-machine figcaption b{
  color:#d2342a!important;
  font:inherit!important;
  letter-spacing:inherit!important;
}
.pipe-site .pipe-hero-machine figcaption b{font-weight:600!important;}

/* 解决方案 Banner：设备完整居中显示，统一使用浅色底的透明设备图。 */
.pipe-site .solution-hero{
  background:#f4f5f7!important;
  overflow:hidden!important;
}
.pipe-site .solution-hero .knowledge-hero-bg{display:none!important;}
.pipe-site .solution-hero .knowledge-hero-focus{
  top:50%!important;
  right:4%!important;
  bottom:auto!important;
  left:auto!important;
  width:min(43vw,800px)!important;
  height:72%!important;
  object-fit:contain!important;
  object-position:center!important;
  transform:translateY(-50%)!important;
  opacity:1!important;
  filter:contrast(1.03) saturate(.96) brightness(1.04)!important;
  mix-blend-mode:normal!important;
  -webkit-mask-image:none!important;
  mask-image:none!important;
}
@media (min-width:1001px){
  .pipe-site .solution-hero .pipe-hero-copy{
    display:flex!important;
    flex-direction:column!important;
    align-items:flex-start!important;
  }
  .pipe-site .solution-hero .pipe-actions{
    display:grid!important;
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
    gap:22px!important;
    width:min(100%,480px)!important;
    margin:0!important;
  }
  .pipe-site .solution-hero .pipe-actions a{
    width:100%!important;
    min-width:0!important;
    margin:0!important;
  }
  .pipe-site .solution-hero .solution-hero-params{
    gap:10px!important;
    width:min(100%,660px)!important;
    margin-top:22px!important;
    margin-bottom:0!important;
  }
  .pipe-site .solution-hero .solution-hero-params li{
    min-height:42px!important;
    display:flex!important;
    align-items:center!important;
    justify-content:center!important;
    padding:8px 12px!important;
  }
}
@media (max-width:1000px){
  .pipe-site .pipe-hero-machine figcaption{left:7%!important;right:7%!important;bottom:18px!important;}
  .pipe-site .solution-hero .knowledge-hero-focus{right:0!important;width:100%!important;height:54%!important;top:auto!important;bottom:0!important;transform:none!important;}
}

/* 20260924 知识文章 Hero：标题按内容预设两行，避免长标题随机断句成三行。 */
.knowledge-hero h1 .knowledge-title-line{display:block!important;white-space:nowrap!important}
.knowledge-hero h1 em{display:inline!important;margin:0!important}
@media (min-width:1100px){
  .knowledge-hero h1{max-width:920px!important;font-size:clamp(40px,3.8vw,66px)!important;line-height:1.14!important}
}
@media (max-width:1099px){.knowledge-hero h1 .knowledge-title-line{white-space:normal!important}}

/* 产品图只展示设备本体；页面容器不再叠加额外底图、光晕或边框。 */
.pipe-site .pipe-product-image{
  background:transparent!important;
  border-color:transparent!important;
  box-shadow:none!important;
}
.pipe-site .pipe-product-visual{
  background:transparent!important;
}
.pipe-site .pipe-product-image:before,
.pipe-site .pipe-product-image:after,
.pipe-site .product-image-glow,
.pipe-site .product-image-scan{
  display:none!important;
}
@media (max-width:760px){
  #article-title.k3-hero-title-fixed{font-size:34px!important;line-height:1.16!important;}
}

/* 电加热管“寿命与安全控制”标题：桌面端保持为一行，避免在“控制”处断开。 */
@media (min-width:681px){
  .specialist-safety #tube-protection-title{
    max-width:none!important;
    white-space:nowrap!important;
    letter-spacing:-.045em!important;
    font-size:clamp(38px,3.65vw,64px)!important;
  }
}

/* 产品页 Banner 不使用横向遮罩渐变，避免中部出现可见的竖向明暗分界。 */
.pipe-site .pipe-hero:after{
  display:none!important;
}

/* 四个产品页使用同一套 Banner 基线：保留首行说明，并让分类栏上移占用底部安全空白。 */
@media (min-width:1001px){
  .pipe-site .pipe-hero-copy{
    transform:translateY(-28px)!important;
  }
  .pipe-site .pipe-hero + .pipe-subnav-wrap{
    margin-top:-104px!important;
  }
}

/* 四个产品页的产品矩阵标题统一居中、统一层级；取消浅色描边，确保远看也清晰。 */
@media (min-width:1001px){
  .pipe-site .pipe-overview .pipe-section-title{
    display:flex!important;
    flex-direction:column!important;
    align-items:center!important;
    justify-content:center!important;
    gap:12px!important;
    margin:0 auto 48px!important;
    text-align:center!important;
  }
  .pipe-site .pipe-overview .pipe-section-title>p{
    margin:0!important;
  }
  .pipe-site .pipe-overview .pipe-section-title h2{
    max-width:none!important;
    margin:0!important;
    color:#2b313a!important;
    font-size:clamp(42px,4.1vw,68px)!important;
    line-height:1.12!important;
    letter-spacing:.01em!important;
    text-align:center!important;
  }
  .pipe-site .pipe-overview .pipe-section-title h2 em{
    display:block!important;
    margin-top:.1em!important;
    color:#59616c!important;
    -webkit-text-stroke:0!important;
    text-shadow:none!important;
    white-space:nowrap!important;
  }
  .pipe-site .pipe-overview .pipe-section-title>span{
    max-width:700px!important;
    text-align:center!important;
  }
}

/* 电加热管页的原理图比其余三页略收一档，保留右侧呼吸边距。 */
@media (min-width:1001px){
  .tube-site .djrg-hero-blueprint{
    width:88%!important;
    height:86%!important;
  }
}

/* English pages: stable light layout for longer English copy. */
html.en-page .hero{overflow:hidden!important;}
html.en-page .hero-industrial-bg[src*="hero-home-device"]{
  display:block!important;
  object-fit:cover!important;
  object-position:72% center!important;
  opacity:.56!important;
  filter:saturate(.82) contrast(1.04) brightness(1.14)!important;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,transparent 38%,rgba(0,0,0,.22) 52%,#000 76%)!important;
  mask-image:linear-gradient(90deg,transparent 0%,transparent 38%,rgba(0,0,0,.22) 52%,#000 76%)!important;
}
html.en-page .hero-copy{z-index:3!important;}
html.en-page .product-card{position:relative;}
html.en-page .product-card .host:before{
  content:"";
  position:absolute;
  inset:0;
  z-index:4;
  cursor:pointer;
}
html.en-page .product-card .hotspot-toggle{position:relative;z-index:5;}
html.en-page .comparison-row>*{opacity:1!important;}
html.en-page .comparison-row b{color:#5d636c!important;}
html.en-page .comparison-row span{color:#272c32!important;}
@media (min-width:1100px){
  html.en-page .pipe-hero{
    height:720px!important;
    min-height:720px!important;
    padding:0!important;
    overflow:hidden!important;
  }
  html.en-page .pipe-hero-copy{
    align-self:center!important;
    padding:11vh 4vw 6vh 6vw!important;
    transform:none!important;
  }
  html.en-page .pipe-hero-machine{
    align-self:stretch!important;
    min-height:0!important;
    transform:none!important;
    overflow:hidden!important;
  }
  html.en-page .pipe-hero-machine .product-image{
    position:absolute!important;
    top:50%!important;
    left:50%!important;
    width:84%!important;
    height:84%!important;
    object-fit:contain!important;
    transform:translate(-50%,-50%)!important;
  }
  html.en-page .specialist-knowledge-grid{
    grid-template-columns:repeat(5,minmax(0,1fr))!important;
  }
  html.en-page .specialist-knowledge-grid article{
    min-height:370px!important;
  }
}
@media (max-width:1100px){
  html.en-page .specialist-knowledge-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;}
}
@media (max-width:680px){
  html.en-page .specialist-knowledge-grid{grid-template-columns:1fr!important;}
}

/* 四个产品页的产品矩阵：统一居中、实字呈现，移除旧版标题残影。 */
@media (min-width:1001px){
  .pipe-site .pipe-overview .pipe-section-title{
    display:flex!important;
    flex-direction:column!important;
    align-items:center!important;
    justify-content:center!important;
    gap:12px!important;
    width:min(100%,980px)!important;
    margin:0 auto 48px!important;
    text-align:center!important;
    isolation:isolate!important;
  }
  .pipe-site .pipe-overview .pipe-section-title::before,
  .pipe-site .pipe-overview .pipe-section-title::after,
  .pipe-site .pipe-overview .pipe-section-title h2::before,
  .pipe-site .pipe-overview .pipe-section-title h2::after{
    content:none!important;
    display:none!important;
  }
  .pipe-site .pipe-overview .pipe-section-title > p{
    margin:0!important;
    text-align:center!important;
  }
  .pipe-site .pipe-overview .pipe-section-title h2{
    max-width:none!important;
    margin:0!important;
    color:#2b313a!important;
    font-size:clamp(42px,4.1vw,68px)!important;
    font-weight:700!important;
    line-height:1.12!important;
    letter-spacing:.01em!important;
    text-align:center!important;
    -webkit-text-stroke:0!important;
    text-shadow:none!important;
    filter:none!important;
    opacity:1!important;
    transform:none!important;
  }
  .pipe-site .pipe-overview .pipe-section-title h2 em{
    display:block!important;
    margin-top:.1em!important;
    color:#59616c!important;
    font-weight:500!important;
    font-style:normal!important;
    -webkit-text-stroke:0!important;
    text-shadow:none!important;
    white-space:nowrap!important;
  }
  .pipe-site .pipe-overview .pipe-section-title > span{
    display:block!important;
    max-width:700px!important;
    margin:4px auto 0!important;
    color:#56606d!important;
    line-height:1.8!important;
    text-align:center!important;
  }

  /* 标题不参与 data-reveal 入场动画，避免浏览器合成层留下上一帧文字残影。 */
  .pipe-site .pipe-overview .pipe-section-title[data-reveal],
  .pipe-site .pipe-overview .pipe-section-title[data-reveal] > *{
    animation:none!important;
    transition:none!important;
    opacity:1!important;
    transform:none!important;
    will-change:auto!important;
    backface-visibility:visible!important;
  }
}

/* English product-detail correction: one measured desktop layout, without changing the native spec table. */
@media (min-width:1100px){
  html.en-page .pipe-hero{
    height:620px!important;
    min-height:620px!important;
    grid-template-columns:48% 52%!important;
    overflow:hidden!important;
  }
  html.en-page .pipe-hero-copy{
    align-self:center!important;
    padding:60px 4vw 52px 6vw!important;
  }
  html.en-page .pipe-hero-machine.product-visual{
    display:grid!important;
    place-items:center!important;
    align-self:center!important;
    position:relative!important;
    height:500px!important;
    min-height:500px!important;
    margin:0!important;
    overflow:visible!important;
    background:radial-gradient(circle at 50% 50%,#d2342a14 0%,transparent 66%)!important;
  }
  html.en-page .pipe-hero-machine.product-visual::before,
  html.en-page .pipe-hero-machine.product-visual::after,
  html.en-page .pipe-hero-machine .visual-glow{
    display:none!important;
  }
  html.en-page .pipe-hero-machine.product-visual .product-image{
    position:relative!important;
    top:auto!important;
    left:auto!important;
    display:block!important;
    width:96%!important;
    height:96%!important;
    max-width:none!important;
    max-height:none!important;
    object-fit:contain!important;
    object-position:center!important;
    filter:none!important;
    mix-blend-mode:normal!important;
    -webkit-mask-image:none!important;
    mask-image:none!important;
    transform:scale(1.14)!important;
  }

  /* The parameter table retains its original compact two-column form. */
  html.en-page .comparison .comparison-table{
    display:inline-grid!important;
    width:620px!important;
    max-width:42%!important;
    vertical-align:top!important;
  }
  html.en-page .comparison .comparison-row{
    grid-template-columns:186px minmax(0,1fr)!important;
    min-height:0!important;
  }
  html.en-page .comparison .comparison-aside{
    display:inline-flex!important;
    width:min(520px,34%)!important;
    min-height:390px!important;
    margin:34px 0 0 clamp(42px,6vw,112px)!important;
    vertical-align:top!important;
    color:#59616c!important;
  }

  /* Titles may wrap, while every visual panel shares the same lower baseline. */
  html.en-page .specialist-knowledge{
    padding-top:72px!important;
    padding-bottom:72px!important;
  }
  html.en-page .specialist-knowledge-grid article{
    display:grid!important;
    grid-template-rows:minmax(0,1fr) 122px!important;
    min-height:350px!important;
  }
  html.en-page .specialist-knowledge-grid h3{
    min-height:0!important;
    margin:0 0 16px!important;
  }
  html.en-page .specialist-knowledge-grid .specialist-tech-visual{
    align-self:end!important;
    height:122px!important;
    margin:0!important;
  }

  /* Four authored cards occupy all four columns; no blank fourth column remains. */
  html.en-page .applications .application-grid,
  html.en-page .safety .safety-grid{
    grid-template-columns:repeat(4,minmax(0,1fr))!important;
  }
}

/* 20260924: solution banner cutouts must stay fully opaque; no fading mask or ghost effect. */
.pipe-site .solution-hero img.hero-industrial-focus,
.pipe-site .solution-hero img.knowledge-hero-focus{
  opacity:1!important;
  -webkit-mask:none!important;
  mask:none!important;
  -webkit-mask-image:none!important;
  mask-image:none!important;
  filter:contrast(1.03) saturate(.96) brightness(1.04)!important;
}
/* 20260924: remove all solution-banner overlay fades. */
.pipe-site .solution-hero::after{display:none!important;background:none!important}

/* 20260924: all six solution hero images share the same visual top/bottom baseline. */
@media (min-width:1001px){
  .pipe-site .solution-hero img.hero-industrial-focus,
  .pipe-site .solution-hero img.knowledge-hero-focus{
    top:8%!important;
    bottom:auto!important;
    right:4%!important;
    left:auto!important;
    width:min(43vw,800px)!important;
    height:78%!important;
    transform:none!important;
    object-fit:contain!important;
    object-position:center!important;
  }
}
/* 20260924: compensate transparent asset padding so visible equipment aligns with the left copy. */
@media (min-width:1001px){
  .pipe-site .solution-hero img.hero-industrial-focus,
  .pipe-site .solution-hero img.knowledge-hero-focus{top:3.5%!important;}
}
/* 20260924: the pipeline principle artwork is an opaque white WebP. Blend its white canvas into the hero background so its rectangular edge cannot appear. */
.pipe-site .pipe-hero-machine.hero-principle--pipeline .hero-principle-image{
  mix-blend-mode:multiply!important;
  background:transparent!important;
}
/* The original diagram includes its own labels; retain it, but remove the broad CSS drop shadow that created a vertical halo at its left edge. */
.pipe-site .pipe-hero-machine.hero-principle--pipeline .hero-principle-image{
  filter:none!important;
  box-shadow:none!important;
}
/* 20260924: electric tubular hero follows the clean pipeline-hero baseline: no grey filter, no shadow halo, no fading. */
.pipe-site .pipe-hero-machine.hero-principle--tubular .hero-principle-image{
  opacity:1!important;
  filter:none!important;
  box-shadow:none!important;
  -webkit-mask:none!important;
  mask:none!important;
  mix-blend-mode:normal!important;
}
/* 20260924: product principle animations are intentional, not autoplay. Open a structure note to play. */
.flow-visual-section .flow-svg,
.flow-visual-section .flow-svg *,
.flow-visual-section .flow-visual::before,
.flow-visual-section .flow-visual::after{
  animation-play-state:paused!important;
}
.flow-visual-section:has(.flow-annotation-grid details[open]) .flow-svg,
.flow-visual-section:has(.flow-annotation-grid details[open]) .flow-svg *,
.flow-visual-section:has(.flow-annotation-grid details[open]) .flow-visual::before,
.flow-visual-section:has(.flow-annotation-grid details[open]) .flow-visual::after{
  animation-play-state:running!important;
}
/* 20260924: working-principle drawings are meant to be read at a glance, so
   the circulation / safety cues run automatically on every product page. */
.flow-visual-section .flow-svg,
.flow-visual-section .flow-svg *,
.flow-visual-section .flow-visual::before,
.flow-visual-section .flow-visual::after{
  animation-play-state:running!important;
}


/* 20260924: four product halls use different animated explosion-safety diagrams. */
.ex-safety-section{background:linear-gradient(135deg,#f8f9fb,#eef1f5);padding:clamp(52px,7vw,104px) 5vw;position:relative;overflow:hidden}.ex-safety-section .flow-visual{background:#fff;border:1px solid #d9dee6;box-shadow:0 16px 46px #11182712;min-height:340px;padding:18px}.ex-safety-section .flow-svg{width:100%;height:auto;max-height:390px}.ex-safety-svg .body{fill:#242932;stroke:#565e6a;stroke-width:3}.ex-safety-svg .metal{fill:#eef1f4;stroke:#59616c;stroke-width:3}.ex-safety-svg .hot{fill:#e2473d;stroke:#bd312a;stroke-width:3}.ex-safety-svg .safe{fill:#f6b536;stroke:#bd7b00;stroke-width:3}.ex-safety-svg .wire{fill:none;stroke:#535b66;stroke-width:4}.ex-safety-svg .label{fill:#303642;font:600 15px "Microsoft YaHei",sans-serif}.ex-safety-svg .small{fill:#69717d;font:12px "Microsoft YaHei",sans-serif}.ex-safety-svg .ex-badge{fill:#1f242c;stroke:#e5544c;stroke-width:2}.ex-safety-svg .ex-badge-text{fill:#fff;font:700 16px Arial,sans-serif}.ex-safety-svg .dash{stroke-dasharray:14 12;animation:ex-dash 2.8s linear infinite}.ex-safety-svg .pulse{animation:ex-pulse 1.8s ease-in-out infinite;transform-origin:center}.ex-safety-svg .fan{animation:ex-spin 3.2s linear infinite;transform-origin:center}.ex-safety-svg .wave{stroke-dasharray:9 8;animation:ex-dash 2.1s linear infinite}.ex-safety-svg .blink{animation:ex-blink 1.35s ease-in-out infinite}.ex-safety-svg .oil{stroke-dasharray:18 10;animation:ex-dash 3.5s linear infinite}@keyframes ex-dash{to{stroke-dashoffset:-104px}}@keyframes ex-spin{to{transform:rotate(360deg)}}@keyframes ex-pulse{50%{opacity:.38;transform:scale(1.07)}}@keyframes ex-blink{50%{opacity:.22}}@media(max-width:720px){.ex-safety-section .flow-visual{min-height:220px;padding:8px}.ex-safety-svg .label{font-size:11px}.ex-safety-svg .small{font-size:9px}.ex-safety-svg .ex-badge-text{font-size:12px}}
/* 20260924: homepage navigation CTA and four product cards need clearer reading contrast. */
.nav-cta{border-width:2px!important;border-color:#737b86!important;font-weight:700!important}
.product-card .card-copy>p{color:#49515c!important;font-weight:500!important}
.product-card .product-facts{border-top:1px solid #aeb6c0!important;margin:22px 0 18px!important}
.product-card .product-facts>div{border-bottom:1px solid #b7bec7!important;padding:12px 0!important}
.product-card .product-facts dt{color:#c93a31!important;font-size:13px!important;font-weight:800!important}
.product-card .product-facts dd{color:#323a45!important;opacity:1!important;font-size:15px!important;font-weight:600!important;line-height:1.65!important}
.product-card .card-copy ul{gap:9px!important;margin:20px 0!important}
.product-card .card-copy li{background:#fff!important;border:1px solid #9ea8b4!important;color:#3a4350!important;font-size:11px!important;font-weight:700!important;padding:8px 10px!important}
.product-card .product-entry{border-top:1px solid #aeb6c0!important;color:#303945!important}
.product-card .product-entry small{color:#596371!important;font-weight:700!important}
/* 20260924: lead intake selects own one chevron; do not add a second global background chevron. */
.lead-select-trigger{background-image:none!important;padding-right:0!important}
.lead-form input[aria-invalid="true"],.lead-form textarea[aria-invalid="true"]{border-color:#d2342a!important;box-shadow:0 7px 14px -12px #d2342a!important}
.lead-form .lead-inline-error{color:#c9342d;margin:7px 0 0;font-size:11px;line-height:1.5}
.lead-select-list{z-index:80!important}
/* 20260924: all content cards share one hover language: stay in place, thicken the red border. */
.product-card[data-tilt],.product-card[data-tilt]:hover{transform:none!important}
:is(.product-card,.knowledge-grid article,.specialist-knowledge-grid article,.solution-card,.solution-more-grid a,.solution-product-grid a,.solution-index-grid a,.solution-challenge-grid article,.application-card,.safety-card,.knowledge-index-grid a,.pipe-site .pipe-product):is(:hover,:focus-visible){
  border-color:#d2342a!important;
  transform:none!important;
  box-shadow:none!important;
  outline:2px solid #d2342a!important;
  outline-offset:-2px!important;
}
:is(.product-card,.knowledge-grid article,.specialist-knowledge-grid article,.solution-card,.solution-more-grid a,.solution-product-grid a,.solution-index-grid a,.solution-challenge-grid article,.application-card,.safety-card,.knowledge-index-grid a,.pipe-site .pipe-product){
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease!important;
}

/* 20260924: shared typography hierarchy — display headings, card titles, and reading copy. */
:is(h1,.section-heading h2,.selection-heading h2,.about h2,.knowledge h2,.faq-intro h2,.explore h2,#explore-title,.lead-intake-heading h2,.pipe-section-title h2,.solution-section .pipe-section-title h2,.solution-more h2){
  font-weight:800!important;
}
:is(.product-card h3,.product-card strong,.knowledge-grid h3,.specialist-knowledge-grid h3,.solution-card h3,.solution-challenge-grid h3,.solution-product-grid strong,.solution-more-grid strong,.solution-index-grid strong,.knowledge-index-grid strong,.scene-grid h3,.pipe-selection-grid h3,.pipeline-case-grid h3,.faq-list summary h3,.pipe-faq summary){
  font-weight:700!important;
}
:is(.hero-lead,.pipe-intro,.section-heading>p,.faq-intro>p,.product-card p,.knowledge-grid p,.specialist-knowledge-grid p,.solution-card p,.solution-challenge-grid p,.solution-product-grid span,.solution-more-grid span,.solution-index-grid span,.knowledge-index-grid span,.faq-list details>p){
  font-weight:400!important;
}

/* 20260924: interactive text language — only actionable labels turn red on hover/focus. */
:is(.site-header nav a,.pipe-header nav a,.pipe-subnav a,footer a,.text-button,.knowledge-lang-alt,.faq-list summary,.pipe-faq summary):is(:hover,:focus-visible){
  color:#d2342a!important;
}
:is(.product-card,.solution-card,.solution-product-grid a,.solution-more-grid a,.solution-index-grid a,.knowledge-index-grid a,.specialist-knowledge-grid article,.knowledge-grid article,.scene-grid article,.pipeline-case-grid article):is(:hover,:focus-visible) :is(h3,strong,.product-entry>span){
  color:#d2342a!important;
}
/* Large display headings and explanatory copy deliberately retain their original ink color. */

/* Standalone fallback panels for static deployment when the React contact widget is unavailable. */
.float-contact .float-contact-fallback{z-index:120;background:#fff;border:1px solid #c6ccd5;border-radius:12px;box-shadow:0 16px 40px #17202c33;color:#27303a;min-width:220px;padding:18px;position:absolute;right:76px;bottom:0;text-align:center}
.float-contact .float-contact-fallback[hidden]{display:none!important}
.float-contact .float-contact-fallback img{background:#fff;display:block;height:170px;margin:4px auto 10px;max-width:170px;object-fit:contain;width:170px}
.float-contact .float-contact-fallback strong{display:block;font-size:15px;font-weight:700;margin:4px 0 8px}
.float-contact .float-contact-fallback small{color:#68717c;display:block;font-size:12px;line-height:1.6}
.float-contact .float-contact-fallback .float-qr-close{background:transparent;border:0;color:#69727c;cursor:pointer;font-size:22px;line-height:1;position:absolute;right:9px;top:7px}
.float-contact .float-contact-fallback .float-phone-number{color:#202833;display:block;font:700 20px var(--mono);letter-spacing:.03em;margin:14px 0}
.float-contact .float-contact-fallback .float-phone-actions{display:flex;gap:8px;justify-content:center;margin:0 0 10px}
.float-contact .float-contact-fallback .float-phone-actions :is(button,a){border:1px solid #d2342a;color:#d2342a;background:#fff;cursor:pointer;font:700 12px var(--font);padding:9px 12px;text-decoration:none}
.float-contact .float-contact-fallback .float-phone-actions a{background:#d2342a;color:#fff}
@media(max-width:680px){.float-contact .float-contact-fallback{bottom:0;right:64px;min-width:206px}.float-contact .float-contact-fallback img{height:150px;width:150px}}

/* Lead-form numeric input paired with an explicit engineering unit. */
.lead-flow-control{align-items:center;border-bottom:1px solid var(--line);display:flex;gap:10px;margin-top:auto;width:100%}
.lead-flow-control input{border:0!important;flex:1;margin:0!important;min-width:0;padding:13px 0 11px!important;width:auto!important}
.lead-flow-unit{appearance:auto!important;background-color:#fff!important;background-image:none!important;border:0!important;color:#303945;font:600 13px var(--font);margin:0!important;padding:8px 2px 8px 8px!important;width:auto!important}
.lead-flow-control:focus-within{border-bottom-color:#d2342a}
.lead-contact-hint{color:#7b838d;display:block;font-size:11px;line-height:1.5;margin-top:auto}
.lead-contact-hint+input{margin-top:0!important}

/* 20260925: professional product-site names alone turn red on hover/focus. */
.domain-links a:is(:hover,:focus-visible) strong{
  color:#d2342a!important;
}

/* 20260925: keep the homepage accent phrase as plain red text only. */
.hero-copy h1 em{
  background:transparent!important;
  background-image:none!important;
  box-shadow:none!important;
  filter:none!important;
  text-shadow:none!important;
}
.hero-copy h1 em::before,
.hero-copy h1 em::after{
  content:none!important;
  display:none!important;
  background:none!important;
  box-shadow:none!important;
}

/* 20260925: compact, non-layout-shifting explanation cards in product animations. */
.flow-annotations,
.flow-annotation-grid{
  overflow:visible!important;
}
.flow-annotation-grid{
  align-items:start!important;
  position:relative!important;
}
.flow-annotation-grid details{
  min-width:0;
  position:relative!important;
}
.flow-annotation-grid details[open]{
  z-index:30;
}
.flow-annotation-grid details>summary{
  background:#fff;
  position:relative;
  z-index:2;
}
.flow-annotation-grid details[open]>p{
  background:#fff;
  border:1px solid #c4c8ce;
  border-top:0;
  box-shadow:0 16px 28px #20283224;
  box-sizing:border-box;
  left:-1px;
  margin:0!important;
  padding:18px 22px!important;
  position:absolute!important;
  right:-1px;
  top:100%;
  width:auto!important;
  z-index:1;
}
.flow-annotation-grid details[open]>summary i{
  transform:rotate(45deg);
}
@media(max-width:680px){
  .flow-annotation-grid details[open]>p{padding:15px 17px!important}
}

/* ---- 20260925 English pages: complete hero images, balanced grids and consistent hover feedback ---- */
@media(min-width:1100px){
  .site-header + main .pipe-hero{
    align-items:center!important;
    grid-template-columns:minmax(430px,46%) minmax(0,54%)!important;
    padding-top:106px!important;
    padding-bottom:40px!important;
  }
  .site-header + main .pipe-hero .pipe-hero-copy{
    align-self:center!important;
    max-width:720px!important;
  }
  .site-header + main .pipe-hero .pipe-hero-machine.product-visual{
    align-self:center!important;
    height:min(500px,calc(100vh - 180px))!important;
    min-height:400px!important;
    overflow:visible!important;
  }
  .site-header + main .pipe-hero .pipe-hero-machine.product-visual .product-image{
    bottom:0!important;
    height:100%!important;
    left:0!important;
    margin:0!important;
    max-height:none!important;
    max-width:100%!important;
    object-fit:contain!important;
    object-position:center!important;
    position:absolute!important;
    right:0!important;
    top:0!important;
    transform:none!important;
    width:100%!important;
  }
  .site-header + main .applications#applications .application-grid{
    grid-template-columns:repeat(4,minmax(0,1fr))!important;
  }
  .site-header + main .applications#applications .application-card{
    min-height:310px!important;
    padding:34px 36px!important;
  }
}

.site-header + main #categories .product-card{
  cursor:pointer;
}
.site-header + main #categories .product-card:focus-visible{
  outline:2px solid #d2342a;
  outline-offset:3px;
}
.site-header + main #categories .product-card:is(:hover,:focus-visible){
  border-color:#d2342a!important;
}
.site-header + main #categories .product-card:is(:hover,:focus-visible) h3,
.site-header + main #categories .product-card:is(:hover,:focus-visible) .host,
.site-header + main .application-card:hover h3,
.site-header + main .specialist-knowledge-grid article:hover h3,
.site-header + main .safety-card:hover h3,
.pipe-site .knowledge-index-grid a:hover strong,
.pipe-site .solution-more-grid a:hover strong,
.pipe-site .solution-product-grid a:hover strong{
  color:#d2342a!important;
  letter-spacing:inherit!important;
}
.site-header + main #categories .product-card h3,
.site-header + main .application-card h3,
.site-header + main .specialist-knowledge-grid article h3,
.site-header + main .safety-card h3,
.pipe-site .knowledge-index-grid strong,
.pipe-site .solution-more-grid strong,
.pipe-site .solution-product-grid strong{
  transition:color .22s ease!important;
}

@media(min-width:681px) and (max-width:1099px){
  .site-header + main .applications#applications .application-grid{
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
  }
}
@media(max-width:680px){
  .site-header + main .applications#applications .application-grid{
    grid-template-columns:1fr!important;
  }
}

/* 20260925: keep every product matrix flat on wide screens. */
.pipe-site .pipe-product,
.pipe-site .pipe-product:hover{
  background:#fff!important;
  background-image:none!important;
  box-shadow:none!important;
}

/* Preserve the technical grid and annotations; remove only the grey inner halo. */
.pipe-site .pipe-selection-grid .selection-visual,
.pipe-site .pipe-selection-grid li:hover .selection-visual{
  box-shadow:none!important;
  filter:none!important;
}

/* Close the unused cells beside the contact field in the 3-column inquiry form. */
@media(min-width:1101px){
  .lead-form::after{
    content:"";
    background:#fff;
    border-right:1px solid #c4c8ce;
    border-bottom:1px solid #c4c8ce;
    grid-column:2/-1;
    grid-row:4;
  }
}

/* 20260925: fill knowledge banners to the divider and bring the scene leftward. */
@media(min-width:1101px){
  .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/"]{
    position:absolute!important;
    inset:0!important;
    width:100%!important;
    height:100%!important;
    object-fit:contain!important;
    object-position:right center!important;
    transform:none!important;
    opacity:1!important;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,transparent 34%,rgba(0,0,0,.18) 44%,rgba(0,0,0,.68) 57%,#000 69%)!important;
    mask-image:linear-gradient(90deg,transparent 0,transparent 34%,rgba(0,0,0,.18) 44%,rgba(0,0,0,.68) 57%,#000 69%)!important;
  }
}

/* 20260925: keep the knowledge article navigation below the complete banner. */
.pipe-site .pipe-hero.knowledge-hero + .pipe-subnav-wrap{
  margin-top:0!important;
  transform:none!important;
}

/* 20260925: align the selection note with the step content on wide screens. */
@media(min-width:901px){
  .selection-note{
    max-width:none;
    margin-left:108px;
    margin-right:0;
  }
}

/* 20260925: English has six application cards, arranged as two rows of three. */
@media(min-width:1100px){
  html.en-page .site-header + main .applications#applications .application-grid{
    grid-template-columns:repeat(3,minmax(0,1fr))!important;
  }
}

/* 20260925: strengthen the English product hero without adding shadow or clutter. */
@media(min-width:1100px){
  html.en-page .site-header + main .pipe-hero .pipe-hero-machine.product-visual{
    isolation:isolate!important;
  }
  html.en-page .site-header + main .pipe-hero .pipe-hero-machine.product-visual::before{
    content:""!important;
    display:none!important;
    position:absolute!important;
    z-index:0!important;
    left:4%!important;
    right:2%!important;
    top:auto!important;
    bottom:12%!important;
    width:auto!important;
    height:1px!important;
    opacity:1!important;
    background:linear-gradient(90deg,transparent,#d2342a40 16%,#d2342a40 84%,transparent)!important;
  }
  html.en-page .site-header + main .pipe-hero .pipe-hero-machine.product-visual::after{
    content:"ENGINEERED HEAT / EQUIPMENT"!important;
    display:block!important;
    position:absolute!important;
    z-index:3!important;
    left:auto!important;
    right:4%!important;
    top:5%!important;
    bottom:auto!important;
    width:auto!important;
    height:auto!important;
    opacity:1!important;
    color:#9b514b!important;
    background:transparent!important;
    font:9px/1.2 var(--mono)!important;
    letter-spacing:.2em!important;
    white-space:nowrap!important;
  }
  html.en-page .site-header + main .pipe-hero .pipe-hero-machine.product-visual .product-image{
    z-index:2!important;
    transform:scale(1.14)!important;
    transform-origin:center center!important;
  }
}


/* ===== 20260927 知识库 banner 宽屏渐变过渡 =====
   宽屏下文案与设备图之间是大片纯色，过渡生硬。
   加一层随视口宽度的水平渐变（左实右透）做过渡；
   保留图片自身 mask，二者叠加消除生硬边界。
   1499px 以下保持原有效果不动。 */
@media(min-width:1500px){
  .knowledge-hero::before{
    content:"";
    position:absolute;
    inset:0;
    z-index:3;
    pointer-events:none;
    background:linear-gradient(90deg,#f2f3f5 0%,#f2f3f5 22%,#f2f3f5e0 32%,#f2f3f5a3 44%,#f2f3f55c 56%,#f2f3f500 70%);
  }

  .knowledge-hero .pipe-hero-copy{
    z-index:4;
  }
}

/* 20260927: ultra-wide desktop corrections.
   Keep product artwork and knowledge banners continuous instead of revealing
   an overlay edge once the viewport is wider than a notebook screen. */
@media (min-width:1100px){
  /* Product overview: pseudo-element sweeps must never cover the first card. */
  .pipe-site .pipe-product::before,
  .pipe-site .pipe-product::after{
    display:none!important;
    content:none!important;
    opacity:0!important;
  }

  /* All four specialist hero diagrams use the same complete, centred canvas. */
  .pipe-site .pipe-hero-machine.hero-principle{
    width:min(50vw,1120px)!important;
    height:clamp(440px,53vh,640px)!important;
    min-height:440px!important;
    max-height:none!important;
    margin:0!important;
    overflow:visible!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle .hero-principle-image{
    width:100%!important;
    height:100%!important;
    max-width:none!important;
    max-height:none!important;
    object-fit:contain!important;
    object-position:center center!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle figcaption{
    background:linear-gradient(90deg,transparent,rgba(245,246,248,.38) 20%,rgba(245,246,248,.38) 80%,transparent)!important;
  }

  /* Article headings always use their authored two lines, not three or four. */
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    max-width:min(49vw,1040px)!important;
    --knowledge-action-width:218px!important;
    --knowledge-gap:10px!important;
  }
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    max-width:none!important;
    font-size:clamp(36px,2.2vw,54px)!important;
    line-height:1.12!important;
    letter-spacing:-.045em!important;
  }
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title .knowledge-title-line{
    display:block!important;
    white-space:nowrap!important;
  }
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .knowledge-keypoints li{
    font-size:13px!important;
    padding-left:8px!important;
    padding-right:8px!important;
    white-space:nowrap!important;
    overflow:hidden!important;
    text-overflow:clip!important;
  }
}

@media (min-width:1500px){
  /* One full-width image plus a broad alpha fade removes the hard centre divider. */
  .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/"]{
    inset:0!important;
    width:100%!important;
    height:100%!important;
    object-fit:cover!important;
    object-position:right center!important;
    -webkit-mask-image:linear-gradient(90deg,transparent 0%,transparent 25%,rgba(0,0,0,.06) 34%,rgba(0,0,0,.28) 45%,rgba(0,0,0,.62) 57%,#000 72%)!important;
    mask-image:linear-gradient(90deg,transparent 0%,transparent 25%,rgba(0,0,0,.06) 34%,rgba(0,0,0,.28) 45%,rgba(0,0,0,.62) 57%,#000 72%)!important;
  }
  .knowledge-hero::before{
    display:none!important;
    content:none!important;
  }
}

/* K3 防爆选型文章：主标题固定两行，避免“讲清楚”被挤成第三行。 */
@media (min-width:761px){
  html body .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title.k3-hero-title-fixed{
    width:100%!important;
    max-width:980px!important;
    font-size:clamp(34px,2.45vw,48px)!important;
    line-height:1.08!important;
    letter-spacing:-.045em!important;
  }
  html body .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title.k3-hero-title-fixed .k3-title-line{
    display:block!important;
    white-space:nowrap!important;
  }
  html body .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title.k3-hero-title-fixed em{
    display:block!important;
    margin-top:.02em!important;
  }
}


/* 20260927-r2: exact wide-screen corrections after rendered review. */
@media (min-width:1100px){
  /* Product list: remove the image-container sweep, mask and inset shade itself. */
  .pipe-site .pipe-product-visual,
  .pipe-site .pipe-product-image{
    background:#fff!important;
    background-image:none!important;
    box-shadow:none!important;
    border-color:transparent!important;
  }
  .pipe-site .pipe-product-image{
    overflow:visible!important;
    isolation:isolate!important;
  }
  .pipe-site .pipe-product-image::before,
  .pipe-site .pipe-product-image::after,
  .pipe-site .product-image-glow,
  .pipe-site .product-image-scan{
    content:none!important;
    display:none!important;
    opacity:0!important;
    visibility:hidden!important;
    box-shadow:none!important;
    background:none!important;
  }
  .pipe-site .pipe-product-image img{
    opacity:1!important;
    mix-blend-mode:normal!important;
    -webkit-mask-image:none!important;
    mask-image:none!important;
  }

  /* A complete diagram is preferable to a larger, cropped one. */
  .pipe-site .pipe-hero{
    height:720px!important;
    min-height:720px!important;
    overflow:hidden!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle{
    width:min(45vw,980px)!important;
    height:500px!important;
    min-height:500px!important;
    max-height:500px!important;
    overflow:visible!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle .hero-principle-image{
    width:92%!important;
    height:calc(100% - 64px)!important;
    object-fit:contain!important;
    object-position:center center!important;
  }
  .tube-site .pipe-hero-machine.hero-principle{
    height:560px!important;
    min-height:560px!important;
    max-height:560px!important;
  }
  .tube-site .pipe-hero-machine.hero-principle .hero-principle-image{
    height:420px!important;
  }
  .tube-site .pipe-hero-machine .tube-install-notes{
    display:block!important;
    width:92%!important;
    margin:6px auto 0!important;
    font-size:12px!important;
    line-height:1.5!important;
  }
  .tube-site .pipe-hero-machine figcaption{
    bottom:4px!important;
  }

  /* Every article title is two authored lines, including the longest K3 title. */
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    font-size:clamp(34px,1.85vw,46px)!important;
    line-height:1.1!important;
    letter-spacing:-.055em!important;
  }
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title .knowledge-title-line{
    white-space:nowrap!important;
    word-break:keep-all!important;
    overflow:visible!important;
  }

  /* Keypoint labels retain their whole phrase inside a single cell. */
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    --knowledge-action-width:238px!important;
    --knowledge-gap:10px!important;
  }
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .knowledge-keypoints li{
    font-size:13px!important;
    white-space:nowrap!important;
    overflow:visible!important;
  }
}

@media (min-width:1500px){
  /* Knowledge banners: retain the full right-hand machine, then fade into the text area. */
  .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/"]{
    inset:0 0 0 auto!important;
    width:min(58%,1120px)!important;
    height:100%!important;
    object-fit:contain!important;
    object-position:right center!important;
    -webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.06) 18%,rgba(0,0,0,.25) 34%,rgba(0,0,0,.64) 52%,#000 70%)!important;
    mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.06) 18%,rgba(0,0,0,.25) 34%,rgba(0,0,0,.64) 52%,#000 70%)!important;
  }
}


/* 20260927-r3: rendered-layout corrections. */
@media (min-width:1100px){
  /* The product visual layer must be a plain canvas: no moving white sweep. */
  .pipe-site .pipe-product,
  .pipe-site .pipe-product-visual,
  .pipe-site .pipe-product-image,
  .pipe-site .pipe-product-copy{
    isolation:isolate!important;
    opacity:1!important;
  }
  .pipe-site .pipe-product-visual::before,
  .pipe-site .pipe-product-visual::after,
  .pipe-site .pipe-product-image::before,
  .pipe-site .pipe-product-image::after{
    display:none!important;
    content:none!important;
    opacity:0!important;
    background:none!important;
    box-shadow:none!important;
    filter:none!important;
  }

  /* Two explicit title lines fit in the left column at 2K and 4K widths. */
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    font-size:42px!important;
    line-height:1.08!important;
    max-width:900px!important;
  }
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title .knowledge-title-line{
    display:block!important;
    width:max-content!important;
    max-width:100%!important;
    white-space:nowrap!important;
  }
  .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title em{
    display:inline!important;
    width:auto!important;
    margin:0!important;
    line-height:inherit!important;
  }

  /* All product diagrams stay inside their canvas; the native tubular note is in the art. */
  .pipe-site .pipe-hero-machine.hero-principle{
    width:min(43vw,920px)!important;
    height:480px!important;
    min-height:480px!important;
    max-height:480px!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle .hero-principle-image{
    width:90%!important;
    height:430px!important;
    margin:0 auto!important;
    object-fit:contain!important;
  }
  .tube-site .pipe-hero-machine.hero-principle{
    height:500px!important;
    min-height:500px!important;
    max-height:500px!important;
  }
  .tube-site .pipe-hero-machine.hero-principle .hero-principle-image{
    height:450px!important;
  }
  .tube-site .pipe-hero-machine .tube-install-notes{
    display:none!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle figcaption,
  .tube-site .pipe-hero-machine figcaption{
    bottom:18px!important;
    background:transparent!important;
  }
}


/* 20260927-r4: first product card has no sweep / wash overlay. */
.pipe-site .pipe-product-list > .pipe-product:first-child,
.pipe-site .pipe-product-list > .pipe-product:first-child .pipe-product-visual,
.pipe-site .pipe-product-list > .pipe-product:first-child .pipe-product-image{
  animation:none!important;
  background-image:none!important;
  box-shadow:none!important;
}
.pipe-site .pipe-product-list > .pipe-product:first-child::before,
.pipe-site .pipe-product-list > .pipe-product:first-child::after,
.pipe-site .pipe-product-list > .pipe-product:first-child .pipe-product-visual::before,
.pipe-site .pipe-product-list > .pipe-product:first-child .pipe-product-visual::after,
.pipe-site .pipe-product-list > .pipe-product:first-child .pipe-product-image::before,
.pipe-site .pipe-product-list > .pipe-product:first-child .pipe-product-image::after,
.pipe-site .pipe-product-list > .pipe-product:first-child .product-image-glow,
.pipe-site .pipe-product-list > .pipe-product:first-child .product-image-scan{
  display:none!important;
  content:none!important;
  animation:none!important;
  opacity:0!important;
  background:none!important;
  box-shadow:none!important;
}
.pipe-site .pipe-product-list > .pipe-product:first-child .pipe-product-image img{
  animation:none!important;
  opacity:1!important;
  -webkit-mask-image:none!important;
  mask-image:none!important;
}
/* 20260927-r5: product hero diagrams share one complete canvas.
   Caption belongs to the figure flow, not an absolutely positioned overlay. */
@media (min-width:1100px){
  .pipe-site .pipe-hero{
    height:760px!important;
    min-height:760px!important;
    overflow:hidden!important;
  }
  .pipe-site .pipe-hero-copy{
    transform:none!important;
    align-self:center!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle{
    width:min(46vw,1000px)!important;
    height:600px!important;
    min-height:0!important;
    max-height:none!important;
    margin:0!important;
    padding:20px 2vw 18px!important;
    align-self:center!important;
    display:grid!important;
    grid-template-rows:minmax(0,1fr) auto!important;
    place-items:center!important;
    overflow:visible!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle .hero-principle-image{
    grid-row:1!important;
    width:100%!important;
    height:100%!important;
    max-width:100%!important;
    max-height:100%!important;
    margin:0!important;
    object-fit:contain!important;
    object-position:center center!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle figcaption{
    position:static!important;
    grid-row:2!important;
    align-self:end!important;
    width:84%!important;
    min-height:46px!important;
    margin:10px 0 0!important;
    padding:13px 0 0!important;
    border-top:1px solid rgba(117,128,141,.25)!important;
    background:transparent!important;
  }
  .tube-site .pipe-hero-machine .tube-install-notes{
    display:none!important;
  }
  .pipe-site .pipe-hero + .pipe-subnav-wrap{
    margin-top:0!important;
  }
}
/* 20260927-r6: keep the red selected frame; remove every dark wash around the selection animation. */
.pipe-site .pipe-selection-grid li.is-active{
  background:transparent!important;
  border-color:rgba(210,52,42,.42)!important;
}
.pipe-site .pipe-selection-grid .selection-visual,
.pipe-site .pipe-selection-grid li:hover .selection-visual,
.pipe-site .pipe-selection-grid li.is-active .selection-visual{
  background:#f4f5f6!important;
  background-image:none!important;
  border:1px solid #d2342a!important;
  box-shadow:none!important;
  filter:none!important;
}
.pipe-site .pipe-selection-grid .selection-visual::before,
.pipe-site .pipe-selection-grid .selection-visual::after{
  opacity:1!important;
}
.pipe-site .pipe-selection-grid .selection-visual::before{
  border-color:#d2342a!important;
}
.pipe-site .pipe-selection-grid .selection-visual::after{
  border-color:#d2342a!important;
}
/* 20260927-r7: the outer cards are the hover targets; retain inner red technical frames. */
.pipe-site .pipe-product,
.pipe-site .pipe-selection-grid > li{
  outline:1px solid transparent!important;
  outline-offset:-1px!important;
  box-shadow:none!important;
  transition:outline-color .22s ease,border-color .22s ease!important;
}
.pipe-site .pipe-product:hover,
.pipe-site .pipe-selection-grid > li:hover{
  z-index:2!important;
  outline-color:#d2342a!important;
  border-color:#d2342a!important;
  box-shadow:none!important;
}
/* 20260927-r8: remove the dark vignette around every working-principle animation canvas. */
.pipe-site .flow-visual,
.pipe-site .flow-visual:hover,
.pipe-site .ex-safety-section .flow-visual,
.pipe-site .ex-safety-section .flow-visual:hover{
  box-shadow:none!important;
  filter:none!important;
}
/* 20260927-r9: complete red hover borders on the full product and protection cards. */
.pipe-site .pipe-product{
  border:1px solid #c4c8ce!important;
  box-shadow:none!important;
}
.pipe-site .pipe-product:hover{
  border-color:#d2342a!important;
  box-shadow:none!important;
}
.pipe-site .specialist-safety-card{
  border:1px solid #c4c8ce!important;
  box-shadow:none!important;
}
.pipe-site .specialist-safety-card:hover{
  border-color:#d2342a!important;
  box-shadow:none!important;
}
@media (min-width:1100px){
  .pipe-site #pipeline-protection-title{
    max-width:none!important;
    white-space:nowrap!important;
    letter-spacing:-.05em!important;
    font-size:clamp(38px,2.8vw,60px)!important;
  }
}
/* 20260927-r10: one 1px hover border only; avoid doubled outlines and keep the first card's top edge visible. */
.pipe-site .pipe-product,
.pipe-site .specialist-safety-card,
.pipe-site .pipe-selection-grid > li{
  outline:none!important;
  outline-offset:0!important;
  box-shadow:none!important;
}
.pipe-site .pipe-product:hover,
.pipe-site .specialist-safety-card:hover,
.pipe-site .pipe-selection-grid > li:hover{
  position:relative!important;
  z-index:5!important;
  border-color:#d2342a!important;
  box-shadow:none!important;
}
/* 20260927-r11: independent card frames; one solid 1px red hover keyline, never shared grid borders. */
.pipe-site .pipe-selection-grid,
.pipe-site .specialist-safety-grid,
.pipe-site .specialist-knowledge-grid{
  border:0!important;
  gap:14px!important;
}
.pipe-site .pipe-selection-grid > li,
.pipe-site .specialist-safety-card,
.pipe-site .specialist-knowledge-grid > article{
  border:1px solid #c4c8ce!important;
  outline:none!important;
  box-shadow:none!important;
}
.pipe-site .pipe-product:hover,
.pipe-site .pipe-selection-grid > li:hover,
.pipe-site .specialist-safety-card:hover,
.pipe-site .specialist-knowledge-grid > article:hover{
  border-color:#c4c8ce!important;
  outline:none!important;
  box-shadow:inset 0 0 0 1px #d2342a!important;
}
/* 20260927-r12: product rows need their own overlay frame; case cards join the same 1px hover system. */
.pipe-site .pipe-product{
  position:relative!important;
}
.pipe-site .pipe-product::after{
  content:""!important;
  display:block!important;
  position:absolute!important;
  inset:0!important;
  z-index:30!important;
  width:auto!important;
  height:auto!important;
  border:1px solid transparent!important;
  background:none!important;
  box-shadow:none!important;
  opacity:1!important;
  transform:none!important;
  pointer-events:none!important;
}
.pipe-site .pipe-product:hover::after{
  border-color:#d2342a!important;
}
.pipe-site .pipeline-case-grid article{
  border:1px solid #c4c8ce!important;
  outline:none!important;
  box-shadow:none!important;
}
.pipe-site .pipeline-case-grid article:hover{
  position:relative!important;
  z-index:5!important;
  border-color:#c4c8ce!important;
  box-shadow:inset 0 0 0 1px #d2342a!important;
}
/* 20260928-r13: homepage solution cards use a 1px keyline; product and case cards use the same complete frame. */
.pipe-site .pipe-product:hover::after{
  border-width:1px!important;
  border-style:solid!important;
  border-color:#d2342a!important;
}
.pipe-site .pipe-scenes .pipeline-case-grid article::before{
  display:none!important;
  content:none!important;
}
.pipe-site .pipeline-case-grid article::after{
  content:""!important;
  display:block!important;
  position:absolute!important;
  inset:0!important;
  z-index:10!important;
  width:auto!important;
  height:auto!important;
  opacity:1!important;
  transform:none!important;
  background:none!important;
  border:1px solid transparent!important;
  pointer-events:none!important;
  animation:none!important;
}
.pipe-site .pipeline-case-grid article:hover::after{
  border-color:#d2342a!important;
}
/* 20260928-r14: retain one independent 1px hover frame; do not compound it with an old inset stroke or grid rule. */
.pipe-site .pipeline-case-grid{
  border-top:0!important;
  border-left:0!important;
}
.pipe-site .pipeline-case-grid article:hover{
  box-shadow:none!important;
}
/* 20260928-r15: visible product frames, self-contained home route progress, compact knowledge index banner. */
@media (min-width:1100px){
  .pipe-site .pipe-product{
    isolation:isolate!important;
    outline:1px solid transparent!important;
    outline-offset:-1px!important;
  }
  .pipe-site .pipe-product::after{
    display:none!important;
    content:none!important;
  }
  .pipe-site .pipe-product:hover{
    outline-color:#d2342a!important;
  }
  .pipe-hero.knowledge-index-hero{
    height:620px!important;
    min-height:620px!important;
    padding:0!important;
    align-items:start!important;
  }
  .knowledge-index-hero .pipe-hero-copy{
    align-self:start!important;
    padding:72px 4vw 40px 5vw!important;
    transform:none!important;
  }
  .knowledge-index-hero .knowledge-hero-focus[src*="/banners/"]{
    height:620px!important;
  }
}
/* 20260928-r16: stable full-card and product-photo hover frames; frame-synced route marker. */
@media (min-width:1100px){
  .pipe-site .pipe-product,
  .pipe-site .pipe-product-list > .pipe-product:first-child{
    box-sizing:border-box!important;
    border:1px solid #c4c8ce!important;
    outline:none!important;
    box-shadow:none!important;
    transition:border-color .16s ease!important;
  }
  .pipe-site .pipe-product:hover,
  .pipe-site .pipe-product-list > .pipe-product:first-child:hover{
    border-color:#d2342a!important;
    outline:none!important;
    box-shadow:none!important;
  }
  .pipe-site .pipe-product::before,
  .pipe-site .pipe-product::after,
  .pipe-site .pipe-product-list > .pipe-product:first-child::before,
  .pipe-site .pipe-product-list > .pipe-product:first-child::after{
    content:none!important;
    display:none!important;
    opacity:0!important;
    animation:none!important;
  }
  .pipe-site .pipe-product-image{
    box-sizing:border-box!important;
    border:1px solid #c4c8ce!important;
    transition:border-color .16s ease!important;
  }
  .pipe-site .pipe-product-image:hover,
  .pipe-site .pipe-product:hover .pipe-product-image{
    border-color:#d2342a!important;
  }
}
.energy-spine b{
  transition:none!important;
  will-change:top;
}
/* 20260928-r17: one outer hover frame; compact hero bands with full-bleed knowledge artwork. */
@media (min-width:1100px){
  /* The product row is the sole red hover frame; its internal photo has no second frame. */
  .pipe-site .pipe-product-image,
  .pipe-site .pipe-product-image:hover,
  .pipe-site .pipe-product:hover .pipe-product-image{
    border-color:transparent!important;
    outline:0!important;
  }

  /* Shorten the four product hero bands without cropping their diagrams/captions. */
  .pipe-site .pipe-hero:has(.pipe-hero-machine.hero-principle){
    height:clamp(600px,calc(100svh - 260px),700px)!important;
    min-height:clamp(600px,calc(100svh - 260px),700px)!important;
    padding-top:0!important;
    padding-bottom:0!important;
  }
  .pipe-site .pipe-hero-machine.hero-principle{
    height:min(560px,calc(100svh - 340px))!important;
    min-height:480px!important;
    max-height:560px!important;
  }

  /* Knowledge overview and articles use the whole hero canvas for the right-side image. */
  .pipe-site .pipe-hero.knowledge-hero{
    height:clamp(580px,calc(100svh - 220px),680px)!important;
    min-height:clamp(580px,calc(100svh - 220px),680px)!important;
    padding-top:0!important;
    padding-bottom:0!important;
  }
  .pipe-site .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/"]{
    position:absolute!important;
    inset:0!important;
    width:100%!important;
    height:100%!important;
    object-fit:cover!important;
    object-position:right center!important;
    transform:none!important;
    opacity:1!important;
    -webkit-mask-image:linear-gradient(90deg,transparent 0%,transparent 28%,rgba(0,0,0,.12) 39%,rgba(0,0,0,.42) 51%,rgba(0,0,0,.82) 66%,#000 78%)!important;
    mask-image:linear-gradient(90deg,transparent 0%,transparent 28%,rgba(0,0,0,.12) 39%,rgba(0,0,0,.42) 51%,rgba(0,0,0,.82) 66%,#000 78%)!important;
  }
  .pipe-site .pipe-hero.knowledge-index-hero .pipe-hero-copy{
    padding-top:58px!important;
    padding-bottom:34px!important;
    align-self:center!important;
  }
  .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    padding-top:52px!important;
    padding-bottom:32px!important;
    align-self:center!important;
    transform:none!important;
  }
}
/* 20260928-r19: knowledge hero keeps every device fully in frame on wide displays. */
@media (min-width:1100px){
  .pipe-site .pipe-hero.knowledge-hero .knowledge-hero-bg{
    display:none!important;
  }
  .pipe-site .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/"]{
    position:absolute!important;
    inset:0!important;
    width:100%!important;
    height:100%!important;
    object-fit:contain!important;
    object-position:right center!important;
    transform:none!important;
    opacity:1!important;
    -webkit-mask-image:linear-gradient(90deg,transparent 0%,transparent 32%,rgba(0,0,0,.12) 43%,rgba(0,0,0,.46) 57%,rgba(0,0,0,.86) 72%,#000 84%)!important;
    mask-image:linear-gradient(90deg,transparent 0%,transparent 32%,rgba(0,0,0,.12) 43%,rgba(0,0,0,.46) 57%,rgba(0,0,0,.86) 72%,#000 84%)!important;
  }
}
/* 20260928-r20: make homepage solution scenarios full-card links. */
a.solution-card{display:block;color:inherit;text-decoration:none;cursor:pointer}
.solution-card .solution-card-cta{color:#16181b;border-top:1px solid #c4c8ce;justify-content:space-between;padding-top:15px;font-size:13px;font-weight:700;display:flex;position:absolute;bottom:24px;left:28px;right:28px}
.solution-card .solution-card-cta b{color:var(--orange)}
a.solution-card:focus-visible{outline:2px solid #d2342a;outline-offset:-2px;z-index:2}
/* Keep the drying-room airflow labels with the diagram, above its caption rule. */
@media (min-width: 681px){.hero-principle--duct .label-duct-heater{top:67%!important}.hero-principle--duct .label-duct-in{top:76%!important}}

/* 20260928: Treat each four-product banner as two equal-height columns, including ultrawide desktops. */
@media (min-width: 1001px) {
  .pipe-site .pipe-hero:has(.pipe-hero-machine.hero-principle) {
    align-items: stretch !important;
  }
  .pipe-site .pipe-hero:has(.pipe-hero-machine.hero-principle) .pipe-hero-copy {
    box-sizing: border-box !important;
    height: 100% !important;
    min-height: 0 !important;
    align-self: stretch !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    padding: clamp(40px, 6vh, 70px) 4vw clamp(32px, 5vh, 60px) 6vw !important;
    transform: none !important;
  }
  .pipe-site .pipe-hero-machine.hero-principle {
    box-sizing: border-box !important;
    align-self: stretch !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: none !important;
  }
}

/* 20260928-r24: the duct principle artwork is transparent; remove its inherited smoky drop shadows. */
.pipe-site .pipe-hero-machine.hero-principle--duct .hero-principle-image {
  opacity: 1 !important;
  filter: none !important;
  box-shadow: none !important;
  mix-blend-mode: normal !important;
  -webkit-mask-image: none !important;
  mask-image: none !important;
}

/* 20260928-r23: lock the copy and complete principle diagram to one identical desktop grid row. */
@media (min-width: 1001px) {
  .pipe-site .pipe-hero:has(> .pipe-hero-machine.hero-principle) {
    box-sizing: border-box !important;
    grid-template-rows: minmax(0, 1fr) !important;
    align-items: stretch !important;
  }

  .pipe-site .pipe-hero:has(> .pipe-hero-machine.hero-principle) > .pipe-hero-copy,
  .pipe-site .pipe-hero:has(> .pipe-hero-machine.hero-principle) > .pipe-hero-machine.hero-principle {
    box-sizing: border-box !important;
    grid-row: 1 !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: none !important;
    align-self: stretch !important;
    margin-block: 0 !important;
    transform: none !important;
  }

  .pipe-site .pipe-hero:has(> .pipe-hero-machine.hero-principle) > .pipe-hero-copy {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
  }

  /* Keep every authored label in the diagram in-frame; scale the whole image, never crop it. */
  .pipe-site .pipe-hero-machine.hero-principle {
    grid-template-rows: minmax(0, 1fr) auto !important;
    overflow: visible !important;
  }
  .pipe-site .pipe-hero-machine.hero-principle > .hero-principle-image {
    box-sizing: border-box !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 0 !important;
    max-width: 100% !important;
    max-height: 100% !important;
    object-fit: contain !important;
    object-position: center !important;
    transform: none !important;
  }
}

/* 知识文章导航：标题完整显示；条目变多时横向滚动，不压缩或截断单项。 */
.pipe-subnav > div{
  flex:1 1 auto!important;
  min-width:0!important;
  display:grid!important;
  grid-template-columns:repeat(3,minmax(0,1fr))!important;
  justify-content:stretch!important;
  overflow:visible!important;
}
.pipe-subnav > div > a{
  display:flex!important;
  align-items:center!important;
  min-width:0!important;
  min-height:38px!important;
  max-width:100%!important;
  white-space:nowrap!important;
  line-height:1.2!important;
  overflow:visible!important;
  text-overflow:clip!important;
  padding:7px 8px!important;
  font-size:clamp(9px,.72vw,11px)!important;
}
.pipe-subnav > div > a > b{flex:0 0 auto!important;}

@media(max-width:1100px){
  .pipe-subnav-wrap{height:auto!important;}
  .pipe-subnav{
    flex-direction:column!important;
    align-items:stretch!important;
    gap:10px!important;
    padding-block:12px!important;
  }
}
@media(max-width:680px){
  .pipe-subnav > div{grid-template-columns:1fr!important;}
}

/* 2026-09-28: align all six knowledge article banners and eyebrow labels. */
@media(min-width:761px){
  .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero){
    height:clamp(580px,calc(100svh - 220px),680px)!important;
    min-height:clamp(580px,calc(100svh - 220px),680px)!important;
    padding-top:0!important;
    padding-bottom:0!important;
  }
  .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    align-self:start!important;
    justify-content:flex-start!important;
    margin-top:clamp(32px,6vh,54px)!important;
    padding-top:0!important;
    padding-bottom:24px!important;
    transform:none!important;
  }
  html body .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    max-width:1000px!important;
    font-size:clamp(32px,2.1vw,42px)!important;
    line-height:1.08!important;
    letter-spacing:-.045em!important;
    margin-top:20px!important;
    margin-bottom:22px!important;
  }
  html body .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title .k3-title-line{
    display:block!important;
    max-width:100%!important;
    white-space:normal!important;
  }
}
@media(min-width:1100px){
  html body .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title .knowledge-title-line,
  html body .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title .k3-title-line{
    display:block!important;
    width:max-content!important;
    max-width:100%!important;
    white-space:nowrap!important;
  }
}
@media(min-width:761px) and (max-width:1099px){
  html body .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    font-size:clamp(28px,3.1vw,36px)!important;
  }
  .pipe-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    max-width:64vw!important;
  }
}

/* English knowledge articles reuse the matching Chinese device artwork, not the generic washed-out hero. */
html.en-page .knowledge-site .pipe-hero.knowledge-hero .knowledge-hero-bg{
  display:none!important;
}
html.en-page .knowledge-site .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/k"]{
  opacity:1!important;
  filter:none!important;
  transform:none!important;
}
@media(min-width:1100px){
  html.en-page .knowledge-site .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/k"]{
    position:absolute!important;
    inset:0 0 0 auto!important;
    width:min(58%,1120px)!important;
    height:100%!important;
    object-fit:contain!important;
    object-position:right center!important;
    -webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.35) 8%,rgba(0,0,0,.82) 15%,#000 21%)!important;
    mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.35) 8%,rgba(0,0,0,.82) 15%,#000 21%)!important;
  }
}

/* English knowledge landing + six article pages: one banner system, no image-edge seam. */
@media(min-width:1100px){
  html.en-page .knowledge-site .pipe-hero.knowledge-hero{
    height:620px!important;
    min-height:620px!important;
    padding:0!important;
    align-items:start!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    align-self:start!important;
    width:min(49vw,940px)!important;
    max-width:940px!important;
    margin:0!important;
    padding:72px 0 40px 5vw!important;
    transform:none!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    width:100%!important;
    max-width:100%!important;
    font-size:clamp(34px,2.1vw,42px)!important;
    line-height:1.08!important;
    letter-spacing:-.045em!important;
    margin:24px 0 22px!important;
    overflow-wrap:normal!important;
    word-break:normal!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title em{
    display:block!important;
    margin-top:.08em!important;
    white-space:normal!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-intro,
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-actions,
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .knowledge-keypoints{
    max-width:100%!important;
  }
}
@media(min-width:1500px){
  html.en-page .knowledge-site .pipe-subnav > div{
    grid-template-columns:repeat(6,minmax(0,1fr))!important;
  }
  html.en-page .knowledge-site .pipe-subnav > div > a{
    font-size:clamp(9px,.62vw,11px)!important;
    padding:7px 6px!important;
  }
}
@media(min-width:761px) and (max-width:1099px){
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    width:min(62vw,720px)!important;
    max-width:720px!important;
    padding-left:5vw!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    font-size:clamp(30px,3.2vw,38px)!important;
    line-height:1.08!important;
  }
}

/* English home and knowledge banners: preserve clear media and keep copy inside the banner. */
html.en-page .hero[aria-labelledby="en-hero-title"] .hero-industrial-bg{
  opacity:1!important;
  filter:contrast(1.08) saturate(1.08) brightness(1.02)!important;
}
@media(min-width:1100px){
  html.en-page .knowledge-site .pipe-hero.knowledge-hero{
    height:clamp(620px,calc(100svh - 120px),840px)!important;
    min-height:clamp(620px,calc(100svh - 120px),840px)!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/"]{
    inset:0 0 0 auto!important;
    width:min(100vw,1600px)!important;
    height:100%!important;
    object-fit:contain!important;
    object-position:right center!important;
    opacity:1!important;
    filter:contrast(1.08) saturate(1.08)!important;
  }
  html.en-page .hero[aria-labelledby="en-hero-title"]:after{
    background:linear-gradient(90deg,#f1f2f4 0%,#f1f2f4 25%,rgba(241,242,244,.92) 34%,rgba(241,242,244,.56) 43%,rgba(241,242,244,.12) 53%,transparent 60%)!important;
  }
  html.en-page #en-cat-title{
    max-width:100%!important;
    font-size:clamp(42px,4.5vw,68px)!important;
    line-height:1.08!important;
    letter-spacing:-.055em!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="knowledge-index-banner"]{
    position:absolute!important;
    inset:0 0 0 auto!important;
    width:min(100vw,1600px)!important;
    height:100%!important;
    object-fit:cover!important;
    object-position:right center!important;
    opacity:1!important;
    filter:contrast(1.06) saturate(1.06)!important;
    -webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.28) 10%,rgba(0,0,0,.8) 20%,#000 28%)!important;
    mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.28) 10%,rgba(0,0,0,.8) 20%,#000 28%)!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    width:min(49vw,940px)!important;
    max-width:940px!important;
    padding-bottom:32px!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    font-size:clamp(32px,1.95vw,40px)!important;
    line-height:1.08!important;
    margin-top:18px!important;
    margin-bottom:16px!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-intro{
    font-size:clamp(14px,.9vw,16px)!important;
    line-height:1.7!important;
    margin-bottom:18px!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .knowledge-keypoints{
    gap:7px!important;
    margin-top:12px!important;
  }
  html.en-page .knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .knowledge-keypoints li{
    font-size:clamp(10px,.7vw,12px)!important;
    padding:6px 8px!important;
  }
}
html.en-page #en-lead .lead-inline-success{
  color:#267347!important;
  margin:10px 0!important;
  font-size:13px!important;
}

/* English article banners: soften the image transition and keep every chip clear of the lower edge. */
@media(min-width:1100px){
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero){
    height:clamp(700px,calc(100svh - 100px),840px)!important;
    min-height:clamp(700px,calc(100svh - 100px),840px)!important;
    overflow:hidden!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero)::before{
    content:""!important;
    display:block!important;
    position:absolute!important;
    inset:0!important;
    z-index:3!important;
    pointer-events:none!important;
    background:linear-gradient(90deg,#f1f2f4 0%,#f1f2f4 23%,rgba(241,242,244,.98) 34%,rgba(241,242,244,.88) 43%,rgba(241,242,244,.66) 53%,rgba(241,242,244,.34) 63%,rgba(241,242,244,.08) 72%,transparent 79%)!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .knowledge-hero-focus[src*="/banners/"]{
    inset:0 0 0 auto!important;
    width:auto!important;
    max-width:none!important;
    height:100%!important;
    object-fit:contain!important;
    object-position:right center!important;
    -webkit-mask-image:none!important;
    mask-image:none!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-hero-copy{
    position:relative!important;
    z-index:4!important;
    width:min(48vw,900px)!important;
    max-width:900px!important;
    padding:clamp(30px,5vh,48px) 0 48px 5vw!important;
    margin:0!important;
    align-self:start!important;
    transform:none!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title{
    width:100%!important;
    max-width:100%!important;
    font-size:clamp(29px,1.7vw,36px)!important;
    line-height:1.08!important;
    letter-spacing:-.04em!important;
    margin:16px 0 14px!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title .knowledge-title-line,
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) #article-title .k3-title-line{
    white-space:normal!important;
    width:auto!important;
    max-width:100%!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-intro{
    max-width:100%!important;
    font-size:clamp(13px,.8vw,15px)!important;
    line-height:1.6!important;
    margin:0 0 14px!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .pipe-actions{
    gap:8px!important;
    margin:0!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .knowledge-keypoints{
    display:grid!important;
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
    gap:8px!important;
    width:min(100%,620px)!important;
    margin:12px 0 0!important;
  }
  html.en-page body .pipe-site.knowledge-site .pipe-hero.knowledge-hero:not(.knowledge-index-hero) .knowledge-keypoints li{
    box-sizing:border-box!important;
    min-width:0!important;
    min-height:38px!important;
    display:flex!important;
    align-items:center!important;
    justify-content:center!important;
    padding:6px 8px!important;
    font-size:clamp(10px,.65vw,12px)!important;
    line-height:1.25!important;
    white-space:normal!important;
    text-align:center!important;
  }
}

/* English selection form: show the units beside numeric inputs and keep the summary readable. */
html.en-page #en-lead .lead-unit-control{
  min-width:0;
}
html.en-page #en-lead .lead-unit-control input{
  min-width:0!important;
  width:100%!important;
}
html.en-page #en-lead .lead-unit-control .lead-flow-unit{
  flex:0 0 auto;
  max-width:112px;
  font-size:12px!important;
}
html.en-page #en-lead .lead-fields li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
html.en-page #en-lead .lead-fields li small{
  flex:0 1 40%;
}
html.en-page #en-lead .lead-fields li span{
  flex:0 1 60%;
  max-width:60%;
  overflow-wrap:anywhere;
  text-align:right;
}
html.en-page #en-lead .lead-field-error,
html.en-page #en-lead .lead-inline-status.lead-inline-error{
  display:block;
  color:#bd3029!important;
  font-size:12px;
  line-height:1.45;
  margin-top:6px;
}
html.en-page #en-lead .lead-inline-status.lead-inline-success{
  display:block;
  color:#267347!important;
  font-size:12px;
  line-height:1.45;
  margin-top:8px;
}

/* Four Chinese product pages: keep every category chip inside one subnav row. */
main.pipe-site:has(> .pipe-overview) .pipe-subnav-wrap{
  height:70px!important;
}
main.pipe-site:has(> .pipe-overview) .pipe-subnav{
  flex-direction:row!important;
  align-items:center!important;
  gap:clamp(14px,2vw,28px)!important;
  padding-block:0!important;
}
main.pipe-site:has(> .pipe-overview) .pipe-breadcrumb{
  flex:0 0 120px!important;
}
main.pipe-site:has(> .pipe-overview) .pipe-subnav > div{
  flex:1 1 auto!important;
  width:auto!important;
  min-width:0!important;
  display:grid!important;
  grid-template-columns:repeat(5,minmax(0,1fr))!important;
  gap:8px!important;
  padding:0!important;
  overflow:visible!important;
}
main.pipe-site:has(> .pipe-overview) .pipe-subnav > div > a{
  display:flex!important;
  align-items:center!important;
  justify-content:center!important;
  width:100%!important;
  height:38px!important;
  min-height:38px!important;
  max-width:none!important;
  min-width:0!important;
  padding:7px 6px!important;
  overflow:hidden!important;
  white-space:nowrap!important;
  font-size:clamp(9px,.72vw,11px)!important;
  line-height:1.2!important;
}
main.pipe-site:has(> .pipe-overview) .pipe-subnav > div > a > b{
  margin-right:6px!important;
}
@media(max-width:1000px){
  main.pipe-site:has(> .pipe-overview) .pipe-subnav-wrap{
    height:auto!important;
  }
  main.pipe-site:has(> .pipe-overview) .pipe-subnav{
    flex-direction:column!important;
    align-items:stretch!important;
    gap:10px!important;
    padding-block:12px!important;
  }
  main.pipe-site:has(> .pipe-overview) .pipe-subnav > div{
    width:100%!important;
    gap:5px!important;
  }
  main.pipe-site:has(> .pipe-overview) .pipe-subnav > div > a{
    padding-inline:3px!important;
    font-size:9px!important;
  }
  main.pipe-site:has(> .pipe-overview) .pipe-subnav > div > a > b{
    margin-right:3px!important;
  }
}

/* Solution detail pages: a complete breadcrumb above six fully readable links. */
main.solution-site .pipe-subnav-wrap{
  height:auto!important;
}
main.solution-site .pipe-subnav{
  height:auto!important;
  flex-direction:column!important;
  align-items:stretch!important;
  gap:12px!important;
  padding:14px 5vw 16px!important;
}
main.solution-site .pipe-breadcrumb{
  display:flex!important;
  min-width:0!important;
  white-space:normal!important;
  line-height:1.5!important;
  flex-wrap:wrap;
}
main.solution-site .pipe-subnav > div{
  width:100%!important;
  min-width:0!important;
  display:grid!important;
  grid-template-columns:repeat(3,minmax(0,1fr))!important;
  gap:8px!important;
  padding:0!important;
  overflow:visible!important;
}
main.solution-site .pipe-subnav > div > a{
  display:flex!important;
  align-items:center!important;
  min-width:0!important;
  min-height:42px!important;
  max-width:none!important;
  padding:9px 12px!important;
  overflow:visible!important;
  white-space:normal!important;
  text-overflow:clip!important;
  font-size:clamp(11px,.8vw,13px)!important;
  line-height:1.4!important;
}
main.solution-site .pipe-subnav > div > a > b{
  margin-right:8px!important;
}
@media(max-width:900px){
  main.solution-site .pipe-subnav > div{
    grid-template-columns:repeat(2,minmax(0,1fr))!important;
  }
}
@media(max-width:600px){
  main.solution-site .pipe-subnav > div{
    grid-template-columns:1fr!important;
  }
}

/* Six solution detail banners: consistent copy baseline and tighter vertical framing. */
@media(min-width:1100px){
  main.solution-site > .solution-hero{
    height:660px!important;
    min-height:660px!important;
    padding-top:0!important;
    padding-bottom:0!important;
  }
  main.solution-site > .solution-hero .pipe-hero-copy{
    align-self:start!important;
    margin-top:132px!important;
    transform:none!important;
  }
  main.solution-site > .solution-hero img.knowledge-hero-focus{
    top:3.5%!important;
    height:89%!important;
  }
}

/* 20261005 知识页 banner：宽屏下把遮罩渐变对齐到图片自身的左边缘，消除图片左侧的硬竖线（≤1799px 保持原样） */
@media(min-width:1800px){
  html:not(.en-page) .pipe-site .pipe-hero.knowledge-hero .knowledge-hero-focus[src*="/banners/"]{
    inset:0 0 0 auto!important;
    width:auto!important;
    max-width:100%!important;
    height:100%!important;
    object-fit:contain!important;
    object-position:right center!important;
    -webkit-mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.07) 10%,rgba(0,0,0,.22) 22%,rgba(0,0,0,.5) 37%,rgba(0,0,0,.82) 53%,#000 68%)!important;
    mask-image:linear-gradient(90deg,transparent 0%,rgba(0,0,0,.07) 10%,rgba(0,0,0,.22) 22%,rgba(0,0,0,.5) 37%,rgba(0,0,0,.82) 53%,#000 68%)!important;
  }
}

/* 20261008 语言切换常驻显示（导航在窄屏会隐藏，语言入口放进 header 常驻） */
.site-header .pipe-lang,.pipe-header .pipe-lang{font:10px var(--mono);letter-spacing:.14em;color:#16181b;border:2px solid #16181b;align-self:center;padding:6px 11px;display:inline-flex;align-items:center;line-height:1;white-space:nowrap;flex-shrink:0;font-weight:700;text-decoration:none}
.site-header .pipe-lang:after,.pipe-header .pipe-lang:after{display:none}
.site-header .pipe-lang:hover,.pipe-header .pipe-lang:hover{border-color:#d2342a}
@media(width<=1100px){.site-header .pipe-lang{margin-left:auto}}
@media(width<=1000px){.pipe-header .pipe-lang{margin-left:auto}}
@media(width<=680px){.site-header .pipe-lang,.pipe-header .pipe-lang{padding:5px 8px;font-size:9px}}
@media(width<=680px){.pipe-header:has(.pipe-lang) .pipe-hall{display:none!important}}
/* 20261008 悬浮联系栏新增邮件按钮（沿用 .float-button 尺寸，不改间距） */
.float-contact a.float-button{text-decoration:none}
.float-contact .float-mail{color:#16181b;background:#ffffff;border-color:#bdc2c9}
.float-contact .float-mail:hover{border-color:#d2342a;color:#d2342a;box-shadow:0 16px 30px -12px #000}

/* 20261008 英文站功率计算器：Medium 下拉框不显示红色步进装饰块 */
.calculator-inputs label:has(select):after{display:none}