#buried-grease-product{--bg-blue:#0059ab;--bg-ink:#17334e;--bg-muted:#60758a;--bg-line:#dce7ef;--bg-pale:#f3f8fc;background:#fff;color:var(--bg-ink);font:16px/1.8 "Microsoft YaHei","PingFang SC",sans-serif;isolation:isolate}
#buried-grease-product *,#buried-grease-product *::before,#buried-grease-product *::after{box-sizing:border-box}
#buried-grease-product a{color:inherit;text-decoration:none}
#buried-grease-product a:focus-visible,#buried-grease-product summary:focus-visible{outline:3px solid #38a2f2;outline-offset:5px}
#buried-grease-product figure,#buried-grease-product p,#buried-grease-product dl,#buried-grease-product dd{margin:0}
#buried-grease-product img{display:block;width:100%;height:auto}
#buried-grease-product h1,#buried-grease-product h2,#buried-grease-product h3{font-family:inherit;line-height:1.35;font-weight:700;letter-spacing:0}
#buried-grease-product .bg-wrap{width:90%;max-width:1700px;margin:0 auto}
#buried-grease-product .bg-skip{position:absolute;left:20px;top:-100px;background:#fff;padding:12px 18px;z-index:50}
#buried-grease-product .bg-skip:focus{top:12px}
#buried-grease-product .bg-bar{position:sticky;top:0;z-index:25;background:#fff;border-bottom:1px solid var(--bg-line)}
#buried-grease-product .bg-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:68px}
#buried-grease-product .bg-product-name{font-weight:700;font-size:17px;white-space:nowrap;color:var(--bg-blue)}
#buried-grease-product .bg-bar nav{display:flex;gap:30px;align-items:center;font-size:14px}
#buried-grease-product .bg-bar nav a{padding:20px 0;white-space:nowrap}
#buried-grease-product .bg-bar a:hover{color:var(--bg-blue)}
#buried-grease-product .bg-bar-contact{font-size:14px;color:var(--bg-blue);white-space:nowrap}
#buried-grease-product .bg-bar-contact span{margin-left:15px}
#buried-grease-product section[id]{scroll-margin-top:88px}
#buried-grease-product .bg-hero{background:linear-gradient(115deg,#f0f7fc 0%,#f8fbfd 60%,#fff 100%);padding:30px 0 0}
#buried-grease-product .bg-crumb{display:flex;flex-wrap:wrap;gap:12px;color:var(--bg-muted);font-size:12px;margin-bottom:46px}
#buried-grease-product .bg-crumb a:hover{color:var(--bg-blue)}
#buried-grease-product .bg-hero-grid{display:grid;grid-template-columns:minmax(300px,.8fr) minmax(0,1.6fr);align-items:center;gap:56px;padding-bottom:60px}
#buried-grease-product .bg-eyebrow{color:var(--bg-blue);font-size:12px;font-weight:600;letter-spacing:2px;line-height:1.6;margin-bottom:18px}
#buried-grease-product h1{font-size:clamp(36px,3.1vw,60px);color:var(--bg-blue);margin:0 0 26px;max-width:490px}
#buried-grease-product .bg-lead{font-size:clamp(21px,1.6vw,29px);line-height:1.6;margin-bottom:20px;font-weight:500}
#buried-grease-product .bg-intro{font-size:16px;color:var(--bg-muted);max-width:440px;line-height:1.95}
#buried-grease-product .bg-actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin:30px 0 20px}
#buried-grease-product .bg-button{display:inline-flex;align-items:center;justify-content:space-between;gap:26px;background:var(--bg-blue);color:#fff;padding:12px 24px;font-size:14px;line-height:1.5;font-weight:600;transition:background .2s}
#buried-grease-product .bg-button:hover{background:#004884;color:#fff}
#buried-grease-product .bg-text-link{color:var(--bg-blue);font-size:14px}
#buried-grease-product .bg-text-link span{margin-left:8px}
#buried-grease-product .bg-hero-note{font-size:12px;color:var(--bg-muted);line-height:1.8}
#buried-grease-product .bg-hero-figure{min-width:0}
#buried-grease-product .bg-hero-figure img{border:8px solid #fff;box-shadow:0 15px 45px rgba(19,59,93,.08)}
#buried-grease-product figcaption{font-size:12px;line-height:1.7;color:var(--bg-muted);padding-top:12px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
#buried-grease-product figcaption>span{color:var(--bg-blue);font-size:10px;letter-spacing:1.5px}
#buried-grease-product .bg-highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--bg-line);padding:28px 0 32px;gap:36px}
#buried-grease-product .bg-highlights>div{padding-left:30px;border-left:1px solid var(--bg-line)}
#buried-grease-product .bg-highlights>div:first-child{border:0;padding-left:0}
#buried-grease-product .bg-highlights span{font-size:10px;letter-spacing:1.6px;color:var(--bg-muted);display:block}
#buried-grease-product .bg-highlights strong{display:block;font-size:20px;color:var(--bg-blue);margin:8px 0 4px}
#buried-grease-product .bg-highlights p{font-size:13px;color:var(--bg-muted)}
#buried-grease-product .bg-section{padding-top:90px;padding-bottom:90px}
#buried-grease-product .bg-section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:42px}
#buried-grease-product .bg-section-heading h2{font-size:clamp(28px,2.1vw,42px);color:var(--bg-blue);margin:0}
#buried-grease-product .bg-section-heading>p{font-size:15px;color:var(--bg-muted);line-height:1.9;flex-shrink:0}
#buried-grease-product .bg-process-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));list-style:none;padding:0;margin:0;gap:48px}
#buried-grease-product .bg-process-list li{position:relative;border-top:2px solid var(--bg-blue);padding:25px 0 0;min-width:0}
#buried-grease-product .bg-stage-number{color:#c8e1f2;font-size:54px;line-height:1;font-weight:300;letter-spacing:-3px;display:block;margin-bottom:20px}
#buried-grease-product .bg-process-list h3{font-size:23px;margin:0 0 16px}
#buried-grease-product .bg-process-list p{color:var(--bg-muted);font-size:15px;line-height:1.9}
#buried-grease-product .bg-process-list .bg-stage-care{margin-top:22px;padding-top:16px;border-top:1px solid var(--bg-line);font-size:12px;color:var(--bg-blue)}
#buried-grease-product .bg-stage-care span{display:block;color:var(--bg-ink);font-size:14px;margin-top:4px}
#buried-grease-product .bg-structure{background:var(--bg-pale)}
#buried-grease-product .bg-structure-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:70px;align-items:center}
#buried-grease-product .bg-drawing{min-width:0}
#buried-grease-product .bg-drawing>a{display:block;padding:16px;background:#fff;border:1px solid var(--bg-line)}
#buried-grease-product .bg-drawing figcaption a{color:var(--bg-blue)}
#buried-grease-product .bg-structure-copy h3{font-size:25px;margin:0 0 24px}
#buried-grease-product .bg-structure-copy dl>div{padding:18px 0;border-bottom:1px solid var(--bg-line)}
#buried-grease-product .bg-structure-copy dl>div:first-child{padding-top:0}
#buried-grease-product .bg-structure-copy dt{font-weight:600;font-size:16px;margin-bottom:6px}
#buried-grease-product .bg-structure-copy dd{font-size:14px;color:var(--bg-muted);line-height:1.9}
#buried-grease-product .bg-note{font-size:12px;line-height:1.9;color:var(--bg-muted);margin-top:22px}
#buried-grease-product .bg-maintenance{background:#102c45;color:#fff}
#buried-grease-product .bg-maintenance .bg-eyebrow{color:#8fc8f2}
#buried-grease-product .bg-maintenance h2{color:#fff}
#buried-grease-product .bg-maintenance .bg-section-heading>p{color:#bbcedd}
#buried-grease-product .bg-care-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:46px}
#buried-grease-product .bg-care-grid article{border-top:1px solid #4a647a;padding-top:24px}
#buried-grease-product .bg-care-frequency{display:inline-block;font-size:12px;color:#8fc8f2;letter-spacing:1px;margin-bottom:15px}
#buried-grease-product .bg-care-grid h3{font-size:23px;color:#fff;margin:0 0 16px}
#buried-grease-product .bg-care-grid p{font-size:15px;color:#d3e0e9;line-height:1.95}
#buried-grease-product .bg-frequency-note{font-size:12px;color:#bbcedd;line-height:1.9;margin-top:28px}
#buried-grease-product .bg-debris{display:grid;grid-template-columns:1fr 1fr;gap:60px;background:#fff;color:var(--bg-ink);margin-top:36px;padding:36px 40px;align-items:center}
#buried-grease-product .bg-debris .bg-eyebrow{color:var(--bg-blue);letter-spacing:1px;margin-bottom:10px}
#buried-grease-product .bg-debris h3{font-size:25px;margin:0;color:var(--bg-blue)}
#buried-grease-product .bg-debris>p{font-size:14px;color:var(--bg-muted);line-height:1.95}
#buried-grease-product .bg-fault{margin-top:30px;border-top:1px solid #4a647a;border-bottom:1px solid #4a647a}
#buried-grease-product .bg-fault summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:16px;list-style:none}
#buried-grease-product .bg-fault summary::-webkit-details-marker{display:none}
#buried-grease-product .bg-fault summary span{font-size:24px;font-weight:300;color:#8fc8f2;flex-shrink:0;transition:transform .2s}
#buried-grease-product .bg-fault[open] summary span{transform:rotate(45deg)}
#buried-grease-product .bg-fault>div{padding:0 40px 24px 0;max-width:1050px}
#buried-grease-product .bg-fault p{color:#d3e0e9;font-size:14px;line-height:1.95;margin-bottom:12px}
#buried-grease-product .bg-selection-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px;padding-bottom:42px}
#buried-grease-product .bg-selection-list>div{border-top:1px solid var(--bg-line);padding-top:20px}
#buried-grease-product .bg-selection-list dt{font-size:18px;font-weight:600;margin-bottom:10px;color:var(--bg-blue)}
#buried-grease-product .bg-selection-list dd{font-size:14px;color:var(--bg-muted);line-height:1.9}
#buried-grease-product .bg-contact{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--bg-pale);padding:36px 40px}
#buried-grease-product .bg-contact h3{font-size:25px;margin:0 0 10px}
#buried-grease-product .bg-contact p{font-size:14px;color:var(--bg-muted)}
#buried-grease-product .bg-contact a{flex-shrink:0}
#buried-grease-product .bg-more-products{padding-top:10px;padding-bottom:80px}
#buried-grease-product .bg-related-heading{position:relative;width:fit-content;margin:0 auto 100px;text-align:center}
#buried-grease-product .bg-related-heading>span{font:italic 700 50px/1.2 Arial,sans-serif;color:#0059ab4d;white-space:nowrap}
#buried-grease-product .bg-related-heading h2{position:absolute;left:50%;top:39px;transform:translateX(-50%);font-size:30px;font-weight:700;line-height:1.3;white-space:nowrap;color:var(--bg-ink);margin:0}
#buried-grease-product .bg-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
#buried-grease-product .bg-related-card{display:flex;flex-direction:column;align-items:center;min-width:0;background:#fff;box-shadow:0 3px 8px #1739521a;transition:box-shadow .25s,transform .25s}
#buried-grease-product .bg-related-card:hover{box-shadow:0 10px 25px #0059ab26;transform:translateY(-5px)}
#buried-grease-product .bg-related-image{width:100%;aspect-ratio:3/2;overflow:hidden;background:#fff}
#buried-grease-product .bg-related-image img{width:100%;height:100%;object-fit:contain;transition:transform .4s}
#buried-grease-product .bg-related-card:hover img{transform:scale(1.035)}
#buried-grease-product .bg-related-card h3{font-size:20px;line-height:1.5;text-align:center;padding:20px 16px 0;min-height:80px;margin:0}
#buried-grease-product .bg-related-arrow{display:grid;place-items:center;width:120px;height:32px;background:var(--bg-blue);color:#fff;border-radius:20px;font:24px/1 Arial,sans-serif;margin:20px auto 30px}
@media(max-width:1100px){#buried-grease-product .bg-related-grid{gap:24px}#buried-grease-product .bg-related-card h3{font-size:17px}}
@media(max-width:767px){#buried-grease-product .bg-more-products{padding-top:12px;padding-bottom:60px}#buried-grease-product .bg-related-grid{grid-template-columns:minmax(0,1fr);gap:25px}#buried-grease-product .bg-related-heading{margin-bottom:70px}#buried-grease-product .bg-related-heading>span{font-size:33px}#buried-grease-product .bg-related-heading h2{font-size:24px;top:26px}#buried-grease-product .bg-related-card h3{font-size:17px;min-height:0;padding-top:20px}#buried-grease-product .bg-related-arrow{margin:20px auto 26px;width:110px;height:30px}}
@media(min-width:1800px){#buried-grease-product .bg-hero-grid{grid-template-columns:minmax(390px,.75fr) minmax(0,1.6fr);gap:90px}#buried-grease-product .bg-intro{font-size:17px}#buried-grease-product .bg-process-list p,#buried-grease-product .bg-care-grid p{font-size:16px}}
@media(max-width:1199px){#buried-grease-product .bg-wrap{width:92%}#buried-grease-product .bg-bar nav{gap:20px;font-size:13px}#buried-grease-product .bg-bar-inner{gap:20px}#buried-grease-product .bg-bar-contact{display:none}#buried-grease-product .bg-hero-grid{gap:28px;grid-template-columns:minmax(270px,.8fr) minmax(0,1.4fr)}#buried-grease-product .bg-crumb{margin-bottom:30px}#buried-grease-product .bg-actions{gap:14px}#buried-grease-product .bg-button{padding:12px 18px;gap:20px}#buried-grease-product .bg-section{padding-top:70px;padding-bottom:70px}#buried-grease-product .bg-process-list,#buried-grease-product .bg-care-grid{gap:28px}#buried-grease-product .bg-structure-grid{gap:34px;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}#buried-grease-product .bg-debris{gap:35px;padding:30px}}
@media(max-width:767px){#buried-grease-product .bg-wrap{width:auto;margin-left:20px;margin-right:20px}#buried-grease-product .bg-bar{position:relative}#buried-grease-product .bg-bar-inner{min-height:0;display:block;margin:0}#buried-grease-product .bg-product-name{display:block;padding:14px 20px 0;font-size:15px}#buried-grease-product .bg-bar nav{gap:22px;padding:0 20px;overflow-x:auto;scrollbar-width:thin;font-size:12px}#buried-grease-product .bg-bar nav a{padding:12px 0}#buried-grease-product section[id]{scroll-margin-top:75px}#buried-grease-product .bg-hero{padding-top:22px}#buried-grease-product .bg-crumb{font-size:11px;gap:9px;margin-bottom:28px}#buried-grease-product .bg-hero-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:30px}#buried-grease-product h1{font-size:36px;max-width:none;margin-bottom:18px}#buried-grease-product .bg-eyebrow{font-size:10px;letter-spacing:1.6px;margin-bottom:12px}#buried-grease-product .bg-lead{font-size:23px;margin-bottom:16px}#buried-grease-product .bg-intro{font-size:15px;max-width:none}#buried-grease-product .bg-actions{margin-top:22px;margin-bottom:16px;gap:18px}#buried-grease-product .bg-button{font-size:13px;padding:12px 18px}#buried-grease-product .bg-text-link{font-size:13px}#buried-grease-product .bg-hero-figure img{border-width:5px}#buried-grease-product figcaption{font-size:10px;gap:6px;padding-top:10px}#buried-grease-product figcaption>span{font-size:9px;letter-spacing:1px}#buried-grease-product .bg-highlights{gap:14px;padding:24px 0}#buried-grease-product .bg-highlights>div{padding-left:12px}#buried-grease-product .bg-highlights span{font-size:8px;letter-spacing:.5px}#buried-grease-product .bg-highlights strong{font-size:15px;line-height:1.5;margin:8px 0}#buried-grease-product .bg-highlights p{font-size:11px;line-height:1.7}#buried-grease-product .bg-section{padding-top:48px;padding-bottom:48px}#buried-grease-product .bg-section-heading{display:block;margin-bottom:28px}#buried-grease-product .bg-section-heading h2{font-size:28px}#buried-grease-product .bg-section-heading>p{font-size:14px;margin-top:18px}#buried-grease-product .bg-section-heading>p br{display:none}#buried-grease-product .bg-process-list{grid-template-columns:minmax(0,1fr);gap:28px}#buried-grease-product .bg-process-list li{padding-top:18px}#buried-grease-product .bg-stage-number{font-size:40px;margin-bottom:14px}#buried-grease-product .bg-process-list h3{font-size:21px;margin-bottom:12px}#buried-grease-product .bg-process-list p{font-size:14px}#buried-grease-product .bg-process-list .bg-stage-care{margin-top:16px;padding-top:12px}#buried-grease-product .bg-structure-grid{grid-template-columns:minmax(0,1fr);gap:28px}#buried-grease-product .bg-drawing>a{padding:8px}#buried-grease-product .bg-structure-copy h3{font-size:22px;margin-bottom:20px}#buried-grease-product .bg-care-grid{grid-template-columns:minmax(0,1fr);gap:25px}#buried-grease-product .bg-care-grid article{padding-top:20px}#buried-grease-product .bg-care-grid h3{font-size:22px;margin-bottom:12px}#buried-grease-product .bg-care-grid p{font-size:14px}#buried-grease-product .bg-care-frequency{margin-bottom:10px}#buried-grease-product .bg-frequency-note{margin-top:24px}#buried-grease-product .bg-debris{grid-template-columns:minmax(0,1fr);gap:20px;padding:24px;margin-top:28px}#buried-grease-product .bg-debris h3{font-size:23px}#buried-grease-product .bg-fault summary{font-size:15px;align-items:flex-start;padding:20px 0}#buried-grease-product .bg-fault>div{padding-right:0}#buried-grease-product .bg-selection-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding-bottom:30px}#buried-grease-product .bg-selection-list dt{font-size:17px}#buried-grease-product .bg-selection-list dd{font-size:13px}#buried-grease-product .bg-contact{align-items:flex-start;flex-direction:column;padding:26px;gap:22px}#buried-grease-product .bg-contact h3{font-size:22px}#buried-grease-product .bg-related{gap:16px;font-size:13px;margin-top:26px;padding-top:22px}#buried-grease-product .bg-related>span{width:100%}}
@media(prefers-reduced-motion:reduce){#buried-grease-product *,#buried-grease-product *::before,#buried-grease-product *::after{scroll-behavior:auto!important;transition:none!important}}