.disposable-helium-page{--dh-ink:#f5f6f6;--dh-muted:#c5c9cb;--dh-soft:#282d30;--dh-pink:#30272b;background:#202326;color:var(--dh-muted)}
.disposable-helium-page main{overflow:clip}
.disposable-helium-page .dh-wrap{width:min(1240px,calc(100% - 64px));margin-inline:auto}
.disposable-helium-page h1,.disposable-helium-page h2,.disposable-helium-page h3{color:var(--dh-ink);font-family:var(--display);font-weight:600;letter-spacing:-.025em}
.disposable-helium-page h2{font-size:clamp(34px,3.4vw,48px);line-height:1.12;margin:0 0 20px}
.disposable-helium-page h3{font-size:27px;line-height:1.2;margin:0 0 14px}
.disposable-helium-page main p{line-height:1.65}
.disposable-helium-page figure{margin:0}
.disposable-helium-page main p.dh-kicker{font:600 11px/1.5 var(--utility);letter-spacing:.09em;text-transform:uppercase;color:#efaaac;margin:0 0 16px}
.dh-breadcrumb{display:flex;gap:10px;align-items:center;padding-block:22px;font-size:13px;color:var(--dh-muted)}
.dh-breadcrumb a:hover{text-decoration:underline}
.dh-hero{background:#202326;border-top:1px solid #454b4e}
.dh-hero-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:32px;min-height:480px;padding-block:28px 30px}
.disposable-helium-page h1{font-size:clamp(48px,5.4vw,74px);line-height:1.01;max-width:650px;margin:0 0 24px;letter-spacing:-.035em}
.dh-hero-copy>p:not(.dh-kicker){max-width:490px;margin-bottom:28px}
.dh-hero-image{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0}
.dh-hero-image>img{height:360px;width:100%;object-fit:contain}
.dh-hero-image figcaption{font-size:12px;text-align:center;margin-top:10px;color:var(--dh-muted)}
.dh-actions{display:flex;flex-wrap:wrap;gap:12px}
.dh-button{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:50px;padding:12px 22px;border:1px solid var(--blue);border-radius:3px;color:#fff;background:var(--blue);font:600 15px/1.4 var(--font);transition:background .15s}
.dh-button:hover{background:#b51e22;border-color:#b51e22}
.dh-button--outline{color:var(--dh-ink);background:transparent;border-color:#b9bdc0}
.dh-button--outline:hover{background:#394044;border-color:#7e858a}
.dh-text-link{display:inline-flex;align-items:center;gap:18px;font-size:16px;font-weight:600;color:var(--dh-ink);text-decoration:underline;text-underline-offset:5px;text-decoration-color:#bec2c5}
.dh-text-link:hover{color:#b51e22;text-decoration-color:currentColor}
.dh-terms{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #454b4e;margin:0;padding:22px 0 26px}
.dh-terms>div{padding:0 26px;border-left:1px solid #454b4e}
.dh-terms>div:first-child{padding-left:0;border:0}
.dh-terms dt{font-size:13px;margin-bottom:4px}
.dh-terms dd{margin:0;color:var(--dh-ink);font-weight:600;font-size:23px}
.dh-jumps{border-block:1px solid #454b4e;background:#282d30}
.dh-jumps .dh-wrap{display:flex;gap:32px;overflow-x:auto;scrollbar-width:thin}
.dh-jumps a{flex-shrink:0;display:block;padding:18px 0;font-size:14px;color:var(--dh-ink);border-bottom:2px solid transparent}
.dh-jumps a:hover{color:#b51e22;border-color:#b51e22}
.dh-section{padding-block:48px;scroll-margin-top:104px}
.dh-section--soft{background:var(--dh-soft)}
.dh-heading{display:flex;justify-content:space-between;align-items:end;gap:44px;margin-bottom:26px}
.dh-heading>div{max-width:650px}
.dh-heading h2{margin-bottom:0}
.dh-heading>p{max-width:395px;margin:0}
.dh-models{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.dh-model{--dh-ink:#22272b;--dh-muted:#586269;color:var(--dh-muted);border:1px solid #454b4e;background:#fff;border-radius:4px;overflow:hidden;min-width:0}
.dh-model-top{padding:22px 24px 0;display:flex;align-items:center;justify-content:space-between}
.disposable-helium-page .dh-model-top h3{font-size:35px;margin:0}
.dh-model-top>span{font-size:12px;color:#727b80}
.dh-model-stage{display:flex;align-items:flex-end;justify-content:center;gap:10px;height:260px;padding:16px 22px;background:linear-gradient(#fff,#fcf9fa)}
.dh-model-stage>img{width:46%;height:100%;object-fit:contain;transform-origin:center bottom}
#model-7l .dh-model-stage>img:first-child{transform:scale(.84)}
#model-7l .dh-model-stage>img+img{transform:scale(.89)}
#model-13l .dh-model-stage>img+img{transform:translateY(18px) scale(1.2)}
#model-22l .dh-model-stage>img+img{transform:translateY(10px) rotate(1.5deg) scale(1.08)}
.dh-model-stage--photo{padding:20px 0}
.dh-model-stage--photo>img{width:100%;height:100%;object-fit:contain}
.dh-model-info{padding:16px 24px 20px}
.dh-yield{display:flex;align-items:baseline;gap:8px;color:#b72743;font-size:15px;margin-bottom:18px}
.dh-yield b{font:600 31px/1 var(--display)}
.dh-model dl{margin:0 0 18px}
.dh-model dl>div{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #e7e8e9;padding:9px 0}
.dh-model dt{font-size:13px}
.disposable-helium-page .dh-model dd{margin:0;color:var(--dh-ink);font-size:14px;text-align:right}
.dh-model-info>a{display:flex;width:100%}
.disposable-helium-page main p.dh-note{font-size:14px;line-height:1.6;margin:18px 0 0;color:var(--dh-muted)}
.dh-spec-table{margin-top:32px}
.dh-table-wrap{overflow:auto;scrollbar-width:thin;border:1px solid #454b4e;border-radius:3px}
.dh-table-wrap:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
.disposable-helium-page table{width:100%;border-collapse:collapse;background:#282d30;text-align:left;font-size:16px}
.disposable-helium-page caption{text-align:left;padding:18px 22px;font-size:18px;font-weight:600;color:var(--dh-ink)}
.disposable-helium-page th,.disposable-helium-page td{padding:16px 22px;border-top:1px solid #454b4e;vertical-align:middle;white-space:nowrap}
.disposable-helium-page thead{background:#171b1e;color:#fff}
.disposable-helium-page thead th{font-weight:500;font-size:14px;border:0}
.disposable-helium-page tbody th{color:var(--dh-ink);font-weight:600}
.disposable-helium-page tbody tr:nth-child(even){background:#2e3438}
.dh-download-line{margin-top:23px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.dh-download-line p{margin:0;max-width:750px}
.dh-download-line a{flex-shrink:0}
.dh-kit-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;margin-bottom:24px}
.dh-kit-main{overflow:hidden}
.dh-kit-main img{display:block;width:106%;max-width:none;height:auto;aspect-ratio:1.5;object-fit:cover;margin-left:-6%}
.dh-kit-main figcaption{padding:10px 0 0;font-size:13px}
.dh-kit-list{padding:0;margin:22px 0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.disposable-helium-page .dh-kit-list li{font-size:17px;color:var(--dh-ink);display:flex;align-items:center;gap:12px}
.dh-kit-list li::before{content:'✓';color:#efaaac;font-weight:600}
.dh-detail-photos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;background:#e9edef;border-radius:3px;padding:18px 24px;color:#22272b}
.dh-detail-photos figure{min-width:0}
.dh-detail-photos img{display:block;width:auto;max-width:100%;height:220px;margin-inline:auto;object-fit:contain;mix-blend-mode:multiply;mask-image:linear-gradient(to right,transparent,#000 7%,#000 93%,transparent),linear-gradient(to bottom,transparent,#000 7%,#000 93%,transparent);mask-composite:intersect}
.dh-detail-photos figcaption{text-align:center;padding:10px 0 0;font-size:15px;color:#22272b}
.dh-factory-layout{display:grid;grid-template-columns:.75fr 1.25fr;align-items:center;gap:55px}
.dh-factory-photos{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.dh-factory-photos img{width:100%;height:275px;object-fit:cover}
.dh-factory-photos figcaption{padding-top:12px;font-size:13px;color:var(--dh-ink)}
.dh-order-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.dh-order{padding:32px 36px;background:#202326;border:1px solid #454b4e;border-top:3px solid var(--blue)}
.disposable-helium-page .dh-order h3{font-size:31px}
.dh-order dl{margin:25px 0}
.dh-order dl>div{padding:11px 0;border-top:1px solid #454b4e}
.dh-order dt{font-size:13px;margin-bottom:4px}
.dh-order dd{margin:0;color:var(--dh-ink);font-weight:600;font-size:21px}
.dh-stacks{display:grid;grid-template-columns:.65fr 1.35fr;gap:36px;align-items:center;margin-top:40px;padding:30px;background:var(--dh-soft)}
.dh-stacks-intro p{margin-bottom:0}
.dh-loading-figure{min-width:0}.dh-loading-figure img{display:block;width:100%;height:auto;border-radius:3px}.dh-loading-figure figcaption{font-size:13px;padding-top:12px}
.dh-mixed{display:flex;gap:18px;align-items:baseline;margin-top:24px;padding-left:18px;border-left:3px solid var(--blue)}
.dh-mixed strong{color:var(--dh-ink);white-space:nowrap}
.dh-mixed p{margin:0}
.dh-case{background:#171b1e;color:#d1d6d9;padding-block:64px}
.dh-case-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:center}
.disposable-helium-page .dh-case h2{color:#fff;margin:0}
.disposable-helium-page .dh-case .dh-kicker{color:#f7beca}
.dh-case .dh-text-link{color:#fff;text-decoration-color:#79858c}
.dh-case p{margin-bottom:24px}
.dh-faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}
.dh-faq-grid details{border-bottom:1px solid #454b4e}
.dh-faq-grid details:first-child{border-top:1px solid #454b4e}
.dh-faq-grid summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:21px 0;list-style:none;cursor:pointer;color:var(--dh-ink);font-size:18px;font-weight:500}
.dh-faq-grid summary::-webkit-details-marker{display:none}
.dh-faq-grid summary::after{content:'+';font-size:24px;font-weight:400;color:#efaaac}
.dh-faq-grid details[open] summary::after{content:'−'}
.dh-faq-grid details p{padding-right:35px;margin:0 0 24px}
.dh-faq-grid details a{text-decoration:underline;text-underline-offset:3px}
.dh-enquiry{padding:52px 0;background:var(--dh-pink);border-top:1px solid #454b4e}
.dh-enquiry-grid{display:flex;align-items:center;justify-content:space-between;gap:36px}
.dh-enquiry-grid>div:first-child{max-width:720px}
.dh-enquiry h2{margin-bottom:12px}
.dh-enquiry p{margin:0}
.dh-enquiry-actions{display:flex;flex-direction:column;align-items:center;gap:15px;flex-shrink:0}
.dh-enquiry-actions>a:last-child{font-size:14px;text-decoration:underline;text-underline-offset:4px}
@media(min-width:1600px){.disposable-helium-page .dh-wrap{width:min(1380px,calc(100% - 96px))}.dh-hero-image>img{height:390px}.dh-model-stage{height:280px}}
@media(max-width:1000px){.dh-hero-grid{gap:12px;min-height:500px}.dh-hero-image>img{height:350px}.dh-model-stage{height:240px;padding-inline:12px}.dh-model-top,.dh-model-info{padding-inline:17px}.dh-model dl>div{display:block}.disposable-helium-page .dh-model dd{text-align:left;margin-top:3px}.dh-heading{gap:28px}.dh-factory-layout{grid-template-columns:1fr;gap:28px}.dh-factory-photos img{height:270px}.dh-factory-copy{max-width:720px}.dh-stacks{gap:24px;padding:24px}.dh-faq-grid{gap:35px;grid-template-columns:.65fr 1.35fr}}
@media(max-width:700px){.disposable-helium-page .dh-wrap{width:calc(100% - 36px)}.dh-breadcrumb{padding-block:14px;font-size:12px}.dh-hero-grid{grid-template-columns:1fr;gap:0;padding-block:25px 20px}.disposable-helium-page h1{font-size:49px;max-width:550px;margin-bottom:17px}.dh-hero-copy>p:not(.dh-kicker){font-size:17px;margin-bottom:20px;max-width:none}.dh-hero-image{margin-top:16px}.dh-hero-image>img{height:275px}.dh-hero-image figcaption{font-size:11px}.dh-terms{grid-template-columns:1fr;padding:10px 0 16px;gap:0}.dh-terms>div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border:0;border-bottom:1px solid #454b4e}.dh-terms>div:last-child{border-bottom:0}.dh-terms dt{margin:0;font-size:13px}.disposable-helium-page .dh-terms dd{font-size:15px;text-align:right}.dh-jumps .dh-wrap{gap:24px}.dh-jumps a{font-size:13px;padding-block:15px}.dh-section{padding-block:38px}.dh-heading{display:block;margin-bottom:25px}.dh-heading>p{margin-top:18px;font-size:17px;max-width:none}.dh-models{grid-template-columns:1fr;gap:20px}.dh-model{display:grid;grid-template-columns:.9fr 1.1fr}.dh-model-top{grid-column:1/-1;padding:18px 20px 0}.dh-model-stage{height:240px;padding:18px 8px}.dh-model-stage>img{width:48%;max-height:205px}.dh-model-stage--photo>img{width:100%;height:190px}.dh-model-info{padding:20px 15px 20px 8px}.dh-yield{gap:6px;font-size:13px;margin-bottom:13px}.dh-yield b{font-size:29px}.dh-model .dh-button{font-size:13px;min-height:44px;padding:10px;gap:10px}.dh-model dl{margin-bottom:12px}.dh-model dt{font-size:12px}.disposable-helium-page .dh-model dd{font-size:13px}.dh-model dl>div{padding:6px 0}.dh-spec-table{margin-top:25px}.disposable-helium-page th,.disposable-helium-page td{padding:13px 16px}.disposable-helium-page table{font-size:14px}.disposable-helium-page caption{font-size:16px;padding:16px}.dh-download-line{display:block}.dh-download-line a{margin-top:17px}.dh-kit-layout{grid-template-columns:1fr;gap:24px}.dh-kit-copy{grid-row:1}.dh-kit-list{gap:12px}.disposable-helium-page .dh-kit-list li{font-size:15px;gap:8px}.dh-kit-copy>p:not(.dh-kicker){font-size:17px}.dh-detail-photos{grid-template-columns:1fr;gap:22px;padding:18px}.dh-detail-photos img{width:100%;height:auto;aspect-ratio:1.5}.dh-detail-photos figcaption{font-size:13px;padding:12px}.dh-factory-photos{gap:14px}.dh-factory-photos img{height:195px}.dh-factory-photos figcaption{font-size:12px}.dh-order-grid{grid-template-columns:1fr;gap:18px}.dh-order{padding:25px}.dh-order dd{font-size:17px}.dh-stacks{grid-template-columns:1fr;gap:22px;padding:22px 16px}.dh-stacks-intro{grid-column:1/-1}.dh-stacks-intro p{font-size:17px}.dh-mixed{display:block}.dh-mixed p{font-size:17px;margin-top:7px}.dh-case{padding-block:44px}.dh-case-grid{grid-template-columns:1fr;gap:22px}.dh-case p{font-size:17px}.dh-faq-grid{grid-template-columns:1fr;gap:10px}.dh-faq-grid summary{font-size:17px}.dh-faq-grid details p{padding-right:10px}.dh-enquiry{padding-block:40px}.dh-enquiry-grid{display:block}.dh-enquiry-grid p{font-size:17px}.dh-enquiry-actions{align-items:flex-start;margin-top:24px}.dh-actions{gap:10px}.dh-button{padding:12px 18px;font-size:14px}.dh-text-link{font-size:15px}}
@media(prefers-reduced-motion:reduce){.disposable-helium-page{scroll-behavior:auto}.disposable-helium-page *{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* Keep compact labels distinct from the shared reading-text selectors. */
@media(max-width:700px){
  .disposable-helium-page main p:not(.dh-kicker):not(.dh-note){font-size:17px}
  .dh-hero-copy{display:contents}
  .dh-hero-copy>.dh-kicker{grid-row:1}
  .dh-hero-copy>h1{grid-row:2}
  .dh-hero-image{grid-row:3;margin:0 0 22px}
  .dh-hero-image>img{height:255px}
  .dh-hero-copy>p:not(.dh-kicker){grid-row:4}
  .dh-hero-copy>.dh-actions{grid-row:5}
  .dh-actions .dh-button{padding-inline:16px;gap:20px}
  .dh-model-stage>img:first-child{width:100%;height:210px;max-height:none}
  .dh-model-stage>img+img{display:none}
}

/* Selective emphasis for purchasing decisions on dark surfaces. */
.disposable-helium-page .dh-highlight{color:#ff9298;font-weight:600}
.dh-order dd .dh-highlight{font-size:1.12em}
.disposable-helium-page .dh-mixed>strong{color:#ff9298}

@media(min-width:701px){
  #model-7l .dh-model-stage>img:first-child{transform:translateX(16px) scale(.84)}
  #model-7l .dh-model-stage>img+img{transform:translateX(-16px) scale(.89)}
}