*{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#0f766e;--primary-hover:#115e59;--primary-soft:#ecfdf5;--accent:#f59e0b;--accent-soft:#fffbeb;--ink:#0f172a;--text:#243044;--muted:#66758a;--line:#d9e3ee;--line2:#e7edf5;--surface:#fff;--bg:#f5f8fb;--green:#16a34a;--shadow:0 24px 64px rgba(15,23,42,.1)}
html{scroll-behavior:smooth;color-scheme:light}body{font-family:Inter,"Source Sans 3",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f5f8fb;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;padding-bottom:96px}a{text-decoration:none;color:inherit}button{font-family:inherit;cursor:pointer;border:0;background:none}img{display:block;max-width:100%}:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}.container{width:100%;max-width:1180px;margin:0 auto;padding:0 clamp(18px,3vw,28px)}
.product-nav{position:fixed;top:0;left:0;right:0;z-index:30;height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,4vw,56px);background:rgba(255,255,255,.9);border-bottom:1px solid rgba(217,227,238,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:box-shadow .2s ease,background .2s ease}.product-nav.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 12px 32px rgba(15,23,42,.08)}.product-brand{display:flex;align-items:center;gap:13px;font-weight:950;text-transform:uppercase;letter-spacing:.16em;color:#111827;font-size:18px;white-space:nowrap}.product-brand img{width:46px;height:46px;border-radius:10px;object-fit:contain}.product-brand strong{color:var(--primary);font-weight:950}.product-nav-links{display:flex;align-items:center;gap:28px;color:#64748b;font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.product-nav-links a{position:relative;padding:8px 0}.product-nav-links a:after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:999px;background:var(--primary);opacity:0;transform:scaleX(.5);transition:opacity .18s,transform .18s}.product-nav-links a:hover{color:var(--primary)}.product-nav-links a:hover:after{opacity:1;transform:scaleX(1)}
.md\:hidden{z-index:1000!important}.md\:hidden>a{border-radius:16px!important;box-shadow:0 18px 40px rgba(37,99,235,.24)!important}
.section-white{position:relative;overflow:hidden;padding:112px 0 60px;background:radial-gradient(circle at 12% 18%,rgba(20,184,166,.18),transparent 30%),linear-gradient(180deg,#f1fbf9 0%,#f7fafc 62%,#fff 100%);border-bottom:1px solid var(--line2)}.section-white:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(15,118,110,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(15,118,110,.07) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg,#000 0%,transparent 82%);pointer-events:none}.section-white:after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(180deg,transparent,#fff);pointer-events:none}.grid-hero{position:relative;z-index:1;display:grid;grid-template-columns:minmax(320px,.86fr) minmax(0,1.14fr);gap:42px;align-items:start}.grid-hero>div:first-child{position:sticky;top:96px}.product-image-box{position:relative;overflow:hidden;border:1px solid rgba(217,227,238,.96);border-radius:8px;background:#fff;aspect-ratio:4/3;box-shadow:0 28px 72px rgba(15,23,42,.14)}.product-image-box:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.02),rgba(15,23,42,.18));z-index:1;pointer-events:none}.product-image-box img{width:100%;height:100%;object-fit:cover;transform:scale(1.015)}.product-image-box:after{content:"Research grade";position:absolute;left:18px;bottom:18px;z-index:2;padding:8px 12px;border:1px solid rgba(255,255,255,.62);border-radius:999px;background:rgba(255,255,255,.9);color:var(--primary);font-size:11px;font-weight:950;letter-spacing:.09em;text-transform:uppercase;box-shadow:0 12px 28px rgba(15,23,42,.14);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.badge-type{position:absolute;top:1rem;left:1rem;z-index:2;padding:6px 12px!important;border:1px solid rgba(255,255,255,.64)!important;border-radius:999px!important;background:rgba(15,118,110,.95)!important;color:#fff!important;font-size:11px!important;font-weight:950!important;letter-spacing:.08em;text-transform:uppercase!important;box-shadow:0 14px 30px rgba(15,23,42,.18)}.badge-purity{position:absolute;top:1rem;right:1rem;z-index:2;min-width:94px;padding:12px 13px;border:1px solid rgba(255,255,255,.72);border-radius:8px;background:rgba(255,255,255,.94);color:#0f172a;text-align:center;box-shadow:0 18px 34px rgba(15,23,42,.13);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.badge-purity .val{font-size:20px;font-weight:950;line-height:1}.badge-purity .lbl{margin-top:3px;font-size:10px;font-weight:900;color:var(--primary);opacity:1;text-transform:uppercase}.mini-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.spec-box{min-height:102px;padding:15px;border:1px solid rgba(217,227,238,.95);border-radius:8px;background:rgba(255,255,255,.94);box-shadow:0 14px 32px rgba(15,23,42,.055)}.spec-box svg{width:20px;height:20px;margin-bottom:8px;color:var(--primary)}.spec-box .lbl{color:var(--muted);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.spec-box .val{margin-top:3px;color:var(--ink);font-size:14px;font-weight:950}.hero-kicker{display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;color:var(--primary);font-size:12px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.hero-kicker:before{content:"";width:7px;height:7px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 6px rgba(15,118,110,.13)}.product-title{max-width:720px;color:var(--ink);font-size:clamp(48px,6vw,78px);font-weight:950;line-height:.94;letter-spacing:0;margin-bottom:12px}.product-subtitle{display:inline-flex;width:fit-content;margin-bottom:16px;padding:8px 12px;border:1px solid rgba(15,118,110,.22);border-radius:999px;background:rgba(236,253,245,.92);color:var(--primary);font-size:13px;font-weight:950;letter-spacing:.06em;text-transform:uppercase}.product-desc{max-width:720px;margin-bottom:22px;color:#46566e;font-size:17px;line-height:1.75;font-weight:620}.hero-proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0 0 22px}.hero-proof-grid div{border:1px solid rgba(217,227,238,.95);border-radius:8px;background:rgba(255,255,255,.82);padding:14px;box-shadow:0 12px 28px rgba(15,23,42,.05)}.hero-proof-grid strong{display:block;color:var(--ink);font-size:24px;font-weight:950;line-height:1}.hero-proof-grid span{display:block;margin-top:6px;color:var(--muted);font-size:12px;font-weight:850}.section-heading{margin:20px 0 11px;color:var(--ink);font-size:13px;font-weight:950;letter-spacing:.1em;text-transform:uppercase}.benefits-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin-bottom:20px}.benefit-item{display:flex;align-items:flex-start;gap:10px;min-height:60px;padding:13px;border:1px solid rgba(217,227,238,.95);border-radius:8px;background:rgba(255,255,255,.9);color:#334155;font-size:14px;font-weight:750;box-shadow:0 12px 28px rgba(15,23,42,.045)}.benefit-item svg{width:19px;height:19px;color:var(--green);flex-shrink:0;margin-top:2px}.sizes-container{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:11px}.size-btn{min-height:44px;padding:10px 17px;border:1px solid #bfccd9;border-radius:999px;background:#fff;color:#334155;font-size:13px;font-weight:950;transition:transform .18s,border-color .18s,background .18s,color .18s,box-shadow .18s}.size-btn:hover{transform:translateY(-1px);border-color:var(--primary);color:var(--primary);box-shadow:0 12px 24px rgba(15,118,110,.1)}.size-btn.active{border-color:var(--primary);background:var(--primary);color:#fff;box-shadow:0 16px 30px rgba(15,118,110,.2)}.selected-size-box{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;padding:15px 16px;border:1px solid rgba(15,118,110,.24);border-left:5px solid var(--primary);border-radius:8px;background:#f0fdfa;color:var(--ink);box-shadow:0 14px 28px rgba(15,118,110,.075)}#selected-size-text{color:var(--ink)!important}.quote-card{position:relative;overflow:hidden;margin-top:16px;border:1px solid rgba(15,118,110,.22);border-radius:8px;background:linear-gradient(135deg,#fff 0%,#f0fdfa 100%);padding:20px;box-shadow:0 24px 54px rgba(15,118,110,.13)}.quote-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}.quote-head{display:grid;gap:6px;margin-bottom:14px}.quote-head span{color:var(--primary);font-size:12px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.quote-head strong{color:var(--ink);font-size:22px;line-height:1.15;font-weight:950}.quote-label{display:block;margin-bottom:6px;color:var(--muted);font-size:11px;font-weight:950;letter-spacing:.1em;text-transform:uppercase}.quote-summary{width:100%;height:46px;border:1px solid #c8d5e1;border-radius:8px;background:#fff;color:var(--ink);padding:0 12px;font-size:14px;font-weight:900}.quote-primary{display:flex;align-items:center;justify-content:center;margin-top:12px;min-height:50px;border-radius:8px;background:var(--primary);color:#fff;font-size:14px;font-weight:950;text-transform:uppercase;letter-spacing:.06em;box-shadow:0 16px 32px rgba(15,118,110,.24);transition:background .18s,transform .18s,box-shadow .18s}.quote-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 20px 38px rgba(15,118,110,.28)}.quote-note{margin-top:11px;color:#64748b;font-size:12px;font-weight:750;line-height:1.45}
.tabs-section{padding:50px 0 56px;background:#fff;border-bottom:1px solid var(--line2)}.tabs-header{display:flex;gap:8px;overflow-x:auto;padding:8px;border:1px solid var(--line);border-radius:8px 8px 0 0;background:#f8fbfa}.tab-btn{display:flex;align-items:center;gap:8px;min-height:46px;padding:10px 15px;border-radius:7px;color:#64748b;font-size:13px;font-weight:950;white-space:nowrap;transition:background .18s,color .18s,box-shadow .18s}.tab-btn svg{width:17px;height:17px}.tab-btn:hover{color:var(--ink);background:#eef8f6}.tab-btn.active-tab{color:#fff;background:var(--primary);box-shadow:0 14px 26px rgba(15,118,110,.18)}.tab-content-wrapper{overflow:hidden;border:1px solid var(--line);border-top:0;border-radius:0 0 8px 8px;background:#fff;box-shadow:var(--shadow)}.tab-panel{display:none;padding:30px}.tab-panel.active{display:block}.tab-title{margin-bottom:16px;color:var(--ink);font-size:24px;font-weight:950;letter-spacing:0}.grid-2-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.info-card{display:flex;flex-direction:column;gap:6px;padding:16px;border:1px solid var(--line);border-radius:8px;background:#f8fbfa}.info-card.row{flex-direction:row;justify-content:space-between;align-items:center;gap:16px;padding:13px 0;border:none;border-bottom:1px solid var(--line);border-radius:0;background:transparent}.info-lbl{color:#64748b;font-size:11px;font-weight:950;letter-spacing:.08em;text-transform:uppercase}.info-val{color:var(--ink);font-size:14px;font-weight:900}.code-box{margin-bottom:20px;padding:18px;border-radius:8px;background:#0f172a;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}.code-text{color:#99f6e4;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;line-height:1.65;word-break:break-all}.coa-layout{display:flex;flex-direction:column;gap:24px}.coa-main{width:100%}table{width:100%;overflow:hidden;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:8px;text-align:left;font-size:13px}th,td{padding:13px 15px;border-bottom:1px solid var(--line)}th{background:#0f172a;color:#fff;font-weight:950}tr:last-child td{border-bottom:0}tr.even{background:#f8fafc}.status-pass{display:inline-flex;align-items:center;gap:4px;padding:4px 9px;border-radius:999px;background:#dcfce7;color:#166534;font-size:11px;font-weight:950}.coa-note{margin-top:16px;padding:14px 15px;border:1px solid #fde68a;border-radius:8px;background:#fffbeb;color:#92400e;font-size:13px;font-weight:750}.standards-card{padding:19px;border-radius:8px;background:#0f172a;color:#fff;box-shadow:0 18px 38px rgba(15,23,42,.16)}.standards-list{display:flex;flex-direction:column;gap:10px;font-size:14px;font-weight:750}.standards-list li{display:flex;align-items:center;gap:8px;opacity:.94}
.supply-section{padding:54px 0;background:#f5f8fb;border-bottom:1px solid var(--line2)}.supply-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:34px;align-items:start}.section-kicker{color:var(--primary);font-size:12px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.supply-copy h2{margin-top:10px;color:var(--ink);font-size:clamp(30px,4vw,44px);line-height:1.08;font-weight:950}.supply-copy p:not(.section-kicker){margin-top:14px;color:#64748b;font-size:16px;line-height:1.7;font-weight:650}.supply-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.supply-steps div{border:1px solid var(--line);border-radius:8px;background:#fff;padding:18px;min-height:160px;box-shadow:0 12px 28px rgba(15,23,42,.045)}.supply-steps span{color:var(--primary);font-size:12px;font-weight:950;letter-spacing:.12em}.supply-steps strong{display:block;margin-top:18px;color:var(--ink);font-size:18px;font-weight:950}.supply-steps p{margin-top:8px;color:#64748b;font-size:13px;line-height:1.55;font-weight:650}
.research-section{padding:50px 0 68px;background:#fff}.research-header{display:flex;align-items:flex-start;gap:16px;max-width:940px;margin:0 auto 22px}.icon-box{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:48px;height:48px;border-radius:10px;background:var(--primary);color:#fff;box-shadow:0 14px 28px rgba(37,99,235,.18)}.icon-box svg{width:24px;height:24px}.research-note{display:flex;gap:12px;max-width:940px;margin:0 auto 16px;padding:14px 16px;border:1px solid #fde68a;border-radius:8px;background:#fffbeb;color:#92400e;font-size:13px;font-weight:750}.research-card{overflow:hidden;max-width:940px;margin:0 auto 16px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 14px 34px rgba(15,23,42,.06)}.research-body{display:flex;gap:16px;padding:22px}.research-num{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:38px;height:38px;border-radius:8px;background:#eff6ff;color:var(--primary);font-size:14px;font-weight:950}.research-tag{display:inline-flex;width:fit-content;margin-top:5px;padding:3px 10px;border-radius:999px;background:#dbeafe;color:#1d4ed8;font-size:11px;font-weight:950}.abstract-content{display:none;margin-top:16px;padding:14px 16px;border-left:4px solid var(--primary);border-radius:0 8px 8px 0;background:#eff6ff;color:#334155}.abstract-content.active{display:block}.toggle-abstract-btn{display:inline-flex;align-items:center;gap:4px;margin-top:16px;color:var(--primary);font-size:13px;font-weight:950}.research-links{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:13px 22px;border-top:1px solid var(--line);background:#f8fafc}.link-doi,.link-pubmed{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:950}.link-doi{color:#64748b}.link-doi:hover,.link-pubmed{color:var(--primary)}.link-pubmed:hover{color:var(--primary-hover)}.research-footer{margin-top:24px;text-align:center;color:#94a3b8;font-size:12px;font-weight:750}
@media(min-width:768px){.coa-layout{flex-direction:row}.coa-sidebar{width:19rem;flex-shrink:0}.md\:hidden{left:auto!important;right:24px!important;bottom:24px!important;width:auto!important;padding:0!important}.md\:hidden>a{width:auto!important;min-width:300px;border-radius:999px!important}}
.grid-hero>div:first-child{position:static}.product-desc{margin-bottom:18px}.quote-card{margin-bottom:18px}.benefits-list{margin-bottom:0}
.md\:hidden>a{box-shadow:0 18px 42px rgba(15,23,42,.22)!important}.quote-primary{background:#0f766e}.quote-primary:hover{background:#115e59}
.quote-primary{display:none!important}
@media(max-width:1024px){.grid-hero,.supply-layout{grid-template-columns:1fr}.grid-hero>div:first-child{position:static}.product-title{font-size:clamp(42px,10vw,64px)}}
@media(max-width:760px){body{padding-bottom:108px}.product-nav{height:68px}.product-nav-links{display:none}.product-brand{font-size:16px;letter-spacing:.12em}.product-brand img{width:42px;height:42px}.section-white{padding:94px 0 38px}.grid-hero{gap:24px}.grid-hero>div:first-child{order:2}.grid-hero>div:nth-child(2){order:1}.product-image-box{border-radius:8px}.product-title{font-size:40px}.product-desc{font-size:16px}.hero-proof-grid,.benefits-list,.grid-2-col,.supply-steps{grid-template-columns:1fr}.mini-specs{grid-template-columns:1fr}.selected-size-box{align-items:flex-start;flex-direction:column}.quote-primary{text-align:center;padding:0 12px}.tab-panel{padding:20px 16px}.supply-section{padding:38px 0}.research-section{padding:38px 0 56px}.research-header,.research-note,.research-card{max-width:calc(100% - 28px)}.research-body{padding:18px}.research-links{padding:12px 18px}table{font-size:12px}th,td{padding:11px 10px}}

/* Cleaner product detail presentation */
.section-white{padding:104px 0 48px;background:#f7fafc;border-bottom:1px solid #e5edf5}.section-white:before,.section-white:after{display:none}.grid-hero{grid-template-columns:minmax(330px,.82fr) minmax(0,1.18fr);gap:36px}.product-image-box{border-radius:8px;border-color:#d8e2ed;box-shadow:0 18px 44px rgba(15,23,42,.09)}.product-image-box:before{background:linear-gradient(180deg,rgba(15,23,42,0),rgba(15,23,42,.1))}.product-image-box:after{content:"Batch supply";box-shadow:none}.badge-type{background:#fff!important;color:#0f766e!important;border-color:#cbdedb!important;box-shadow:none}.badge-purity{box-shadow:none;border-color:#d8e2ed}.mini-specs{gap:10px}.spec-box,.hero-proof-grid div,.benefit-item,.info-card,.supply-steps div,.research-card{box-shadow:none}.spec-box{background:#fff}.product-title{font-size:clamp(42px,4.8vw,58px);line-height:1.02;margin-bottom:10px}.product-subtitle{border-radius:8px;background:#eef8f6}.product-desc{font-size:16px;line-height:1.7;color:#4b5b70}.hero-proof-grid{margin:0 0 18px}.hero-proof-grid strong{font-size:22px}.benefits-list{margin-bottom:18px}.selected-size-box{background:#f8fbfa;border-color:#d8e2ed;border-left-color:#0f766e;box-shadow:none}.quote-card{background:#fff;border-color:#d8e2ed;box-shadow:none}.quote-card:before{background:#0f766e}.quote-head strong{font-size:18px}.quote-summary{background:#f8fafc}.tabs-section{background:#f7fafc}.tabs-header{border-radius:8px;background:#fff}.tab-content-wrapper{box-shadow:none}.tab-panel{padding:26px}.code-box{background:#102033}.coa-note{background:#fff8e6}
@media(max-width:760px){.section-white{padding:88px 0 34px}.grid-hero>div:first-child{order:1}.grid-hero>div:nth-child(2){order:2}.product-title{font-size:38px}.product-image-box{aspect-ratio:4/3}.mini-specs{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.spec-box{min-height:88px;padding:11px}.spec-box .val{font-size:12px}.hero-proof-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.hero-proof-grid div{padding:10px}.hero-proof-grid strong{font-size:18px}.hero-proof-grid span{font-size:11px}.quote-card{padding:16px}.tab-panel{padding:18px 14px}}

@media(max-width:760px){
  .grid-hero{display:flex;flex-direction:column;width:100%;gap:18px}
  .grid-hero>div{width:100%;min-width:0}
  .product-title,.product-desc,.product-subtitle,.hero-kicker,.section-heading{max-width:100%}
  .mini-specs{grid-template-columns:1fr}
  .spec-box{display:grid;grid-template-columns:24px 86px 1fr;align-items:center;gap:8px;min-height:54px}
  .spec-box svg{margin:0}
  .spec-box .val{margin-top:0;text-align:right}
  .hero-proof-grid{grid-template-columns:repeat(3,minmax(0,1fr));width:100%}
  .hero-proof-grid div{min-width:0}
  .hero-proof-grid strong,.hero-proof-grid span{overflow-wrap:anywhere}
  .benefit-item span,.quote-summary,.info-val,.code-text{overflow-wrap:anywhere}
}