:root{--seed-ink:#14232b;--seed-muted:#4a5b62;--seed-faint:#6b7c83;--seed-accent:#0b6a73;--seed-accent-hover:#074a50;--seed-tint:#eef6f6;--seed-tint-line:#c9e2e3;--seed-card:#fff;--seed-line:#dce3e6;--seed-line-soft:#e5ebed;--seed-input-line:#c3ced2;--seed-radius:12px;--seed-font-display:"Bricolage Grotesque", system-ui, sans-serif;--seed-font-body:"Public Sans", system-ui, sans-serif;--seed-scale-1:#d7ecec;--seed-scale-2:#b4dadb;--seed-scale-3:#84c2c5;--seed-scale-4:#3e9aa1;--seed-scale-5:#0b6a73}html.js [data-open=false]{display:none}.seed-q{margin:0 0 10px;font-size:15px;font-weight:600}.seed-pills{flex-wrap:wrap;gap:8px;margin-bottom:22px;display:flex}.seed-pill{border:1px solid var(--seed-input-line);background:var(--seed-card);color:var(--seed-ink);font:500 14px var(--seed-font-body);cursor:pointer;border-radius:999px;min-height:44px;padding:9px 14px}.seed-pill--num{min-width:52px}.seed-pill[aria-pressed=true]{border-color:var(--seed-accent);background:var(--seed-accent);color:#fff;font-weight:600}.seed-pill:focus-visible,.seed-i:focus-visible,.seed-own input:focus-visible{outline:3px solid var(--seed-focus,#f2b84b);outline-offset:2px}.seed-own{flex-wrap:wrap;align-items:center;gap:8px 12px;margin:-8px 0 22px;font-size:14px;display:flex}.seed-own label{color:var(--seed-ink);font-weight:600}.seed-own label span,.seed-own-hint{color:var(--seed-muted);font-weight:400}.seed-own-hint{font-size:13px}.seed-own input{box-sizing:border-box;border:1px solid var(--seed-input-line);width:100px;min-height:44px;font:inherit;border-radius:8px;padding:8px 12px}.seed-result{background:var(--seed-tint);border:1px solid var(--seed-tint-line);border-radius:var(--seed-radius);padding:20px}.seed-result-lead{color:var(--seed-muted);font-size:13px}.seed-result-head{flex-wrap:wrap;align-items:baseline;gap:6px 14px;display:flex}.seed-level{font:800 28px var(--seed-font-display);color:var(--seed-accent)}.seed-minerals{color:var(--seed-ink);font-size:15px}.seed-scale{margin:14px 0 6px;position:relative}.seed-scale-bar{border-radius:999px;height:10px;display:flex;overflow:hidden}.seed-scale-bar>div:first-child{background:var(--seed-scale-1);width:14%}.seed-scale-bar>div:nth-child(2){background:var(--seed-scale-2);width:14%}.seed-scale-bar>div:nth-child(3){background:var(--seed-scale-3);width:14%}.seed-scale-bar>div:nth-child(4){background:var(--seed-scale-4);width:26%}.seed-scale-bar>div:nth-child(5){background:var(--seed-scale-5);width:32%}.seed-marker{background:var(--seed-ink);border-radius:2px;width:4px;height:20px;transition:left .2s;position:absolute;top:-5px;box-shadow:0 0 0 2px #fff}.seed-scale-labels{color:var(--seed-muted);font-size:12px;display:flex}.seed-scale-labels span:first-child{width:28%}.seed-scale-labels span:nth-child(2){width:14%}.seed-scale-labels span:nth-child(3){width:26%}.seed-scale-labels span:nth-child(4){text-align:right;width:32%}.seed-stats{border-top:1px solid var(--seed-tint-line);grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px;padding-top:16px;display:grid}.seed-stat-k{color:var(--seed-muted);font-size:13px}.seed-stat-v{white-space:nowrap;font-size:22px;font-weight:700}.seed-stat-sub{color:var(--seed-muted);font-size:12px}.seed-size-warning:empty{display:none}.seed-size-warning{margin:12px 0 0;font-size:13px;font-weight:600}.seed-source{color:var(--seed-muted);margin:16px 0 0;font-size:13px;line-height:1.5}.seed-independent{color:var(--seed-muted);margin:8px 0 0;font-size:12px;line-height:1.5}.seed-i{vertical-align:middle;cursor:pointer;border:1px solid var(--seed-accent);background:var(--seed-card);width:22px;height:22px;color:var(--seed-accent);border-radius:999px;justify-content:center;align-items:center;margin-left:6px;padding:0;font:italic 700 13px Georgia,serif;display:inline-flex;position:relative}.seed-i:after{content:"";position:absolute;inset:-11px}.seed-i--dark{border-color:var(--seed-i-dark,#8fd3d8);color:var(--seed-i-dark,#8fd3d8);background:0 0}.seed-panel{color:var(--seed-ink);margin-top:14px;font-size:13px;line-height:1.5}.seed-panel-title{font:700 15px var(--seed-font-display);margin:0 0 10px}.seed-panel{container-type:inline-size}.seed-panel-cards{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;display:grid}@container (width>=472px) and (width<=713px){.seed-panel-card--method{grid-column:1/-1;grid-template-columns:1fr 1fr;column-gap:20px;display:grid}.seed-panel-card--method .seed-panel-card-t,.seed-panel-card--method .seed-panel-row--key{grid-column:1/-1}}.seed-panel-card{background:var(--seed-card);border:1px solid var(--seed-tint-line);border-top:3px solid var(--seed-accent);border-radius:10px;padding:12px 14px 6px}.seed-panel-card--data{border-top-color:var(--seed-scale-4)}.seed-panel-card--method{border-top-color:var(--seed-scale-3)}.seed-panel-card-t{letter-spacing:.06em;text-transform:uppercase;color:var(--seed-muted);align-items:center;gap:8px;margin:0 0 6px;font-size:11px;font-weight:700;display:flex}.seed-panel-card-t span{background:var(--seed-tint);width:20px;height:20px;color:var(--seed-accent);letter-spacing:0;border-radius:999px;justify-content:center;align-items:center;font-size:11px;display:inline-flex}.seed-panel-row{border-top:1px solid var(--seed-line-soft);padding:7px 0}.seed-panel-card-t+.seed-panel-row{border-top:0}.seed-panel-k{color:var(--seed-muted);font-size:12px}.seed-panel-row--key{padding:4px 0 10px}.seed-panel-row--key .seed-panel-v{font:700 15px/1.35 var(--seed-font-display);color:var(--seed-ink)}.seed-panel-notes{margin-top:8px}.seed-panel-notes .seed-panel-row{border:0;gap:6px;padding:0;display:flex}.seed-panel-notes .seed-panel-k:after{content:":"}.seed-panel-row--muted,.seed-panel-row--muted .seed-panel-k{color:var(--seed-faint);font-size:12px}.seed-result-ad{margin-top:14px}@media (width<=520px){.seed-stats{grid-template-columns:1fr 1fr}}.seed-ad{min-height:var(--seed-ad-height,96px);color:var(--seed-faint);letter-spacing:.06em;text-transform:uppercase;border:1px dashed #aebbc0;border-radius:8px;justify-content:center;align-items:center;font-size:13px;display:flex}.seed-ad[data-state=filled]{border:0;display:block}.seed-product{background:var(--seed-card);border:1px solid var(--seed-line);border-radius:var(--seed-radius);flex-direction:column;gap:8px;padding:20px;display:flex}.seed-product-photo{height:120px;color:var(--seed-faint);background:#edf1f2;border-radius:8px;justify-content:center;align-items:center;font-size:13px;display:flex}.seed-product-name{font-size:17px;font-weight:700}.seed-product-spec{color:var(--seed-muted);font-size:14px}.seed-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.seed-trust{gap:4px;margin:0 0 18px;font-size:14px;line-height:1.45;display:grid}.seed-trust p{margin:0}.seed-trust-main{align-items:flex-start;gap:8px;font-weight:600;display:flex}.seed-trust-main svg{color:var(--seed-accent);flex:none;margin-top:2px}.seed-trust-src{color:var(--seed-muted);padding-left:24px}.seed-explain{background:var(--seed-card);border:1px solid var(--seed-tint-line);border-left:4px solid var(--seed-accent);border-radius:10px;margin-top:12px;padding:12px 14px;font-size:14px;line-height:1.5}.seed-explain p{margin:0 0 8px}.seed-explain p:last-child{margin-bottom:0}.seed-explain-title{font-weight:700}.seed-stat-k .seed-i{width:20px;height:20px;font-size:12px}.seed-select-wrap{max-width:460px;margin-bottom:18px;position:relative}.seed-select{-webkit-appearance:none;appearance:none;width:100%;font:500 16px var(--seed-font-body);color:var(--seed-ink);background:var(--seed-card);border:1px solid var(--seed-input-line);cursor:pointer;border-radius:10px;padding:12px 44px 12px 16px}.seed-select:focus{outline:3px solid var(--seed-focus,#f2b84b);outline-offset:1px;border-color:var(--seed-accent)}.seed-select-wrap:after{content:"";border-right:2px solid var(--seed-accent);border-bottom:2px solid var(--seed-accent);pointer-events:none;width:9px;height:9px;margin-top:-7px;position:absolute;top:50%;right:18px;transform:rotate(45deg)}label.seed-q{display:block}:root{--px-night:#0f2e36;--px-night-line:#1f4650;--px-night-panel:#133a44;--px-night-panel-line:#2b5662;--px-mist:#d5e4e7;--px-aqua:#8fd3d8;--px-bg:#f4f6f7}*,:before,:after{box-sizing:border-box}body{background:var(--px-bg);color:var(--seed-ink);font-family:var(--seed-font-body);margin:0}a{color:var(--seed-accent)}a:hover{color:var(--seed-accent-hover)}.wrap{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}@media (width<=520px){.wrap{padding-left:16px;padding-right:16px}}.skip{position:absolute;left:-9999px}.skip:focus{z-index:10;background:#fff;padding:8px 12px;top:16px;left:16px}.site-header{background:var(--px-night);border-bottom:1px solid var(--px-night-line)}.site-header-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:16px;padding-bottom:16px;display:flex}.brand{color:#fff;align-items:center;gap:10px;text-decoration:none;display:flex}.brand span{font:800 21px var(--seed-font-display);letter-spacing:-.01em}.brand:hover{color:#fff}.site-nav{flex-wrap:wrap;gap:6px 22px;font-size:15px;font-weight:500;display:flex}.site-nav a{color:var(--px-mist);text-decoration:none}.site-nav a:hover{color:#fff}.hero{background:var(--px-night);color:#fff}.hero-inner{flex-wrap:wrap;align-items:flex-start;gap:32px;padding-top:36px;padding-bottom:40px;display:flex}.hero-copy{flex:280px;min-width:0;padding-top:6px}.hero h1{font:800 52px/1.02 var(--seed-font-display);letter-spacing:-.02em;color:#fff;margin:0 0 16px}.hero h1 span{color:var(--px-aqua);display:block}@media (width<=520px){.hero h1{font-size:40px}}.hero-intro{color:var(--px-mist);margin:0 0 14px;font-size:16px;line-height:1.5}.hero-trust{color:var(--px-mist);margin:0}.hero-trust .seed-trust-main svg,.hero-trust .seed-trust-src{color:var(--px-aqua)}.sizer-card{min-width:0;color:var(--seed-ink);background:#fff;border-radius:14px;flex:2 560px;padding:24px;box-shadow:0 10px 30px #00000040}@media (width<=520px){.sizer-card{padding:18px}}.cta{text-align:center;background:var(--seed-accent);color:#fff;border-radius:10px;margin-top:18px;padding:14px 18px;font-size:16px;font-weight:600;text-decoration:none;display:block}.cta:hover{background:var(--seed-accent-hover);color:#fff}.seed-providers{background:var(--px-night-panel);border:1px solid var(--px-night-panel-line);color:var(--px-mist);border-radius:12px;margin-top:14px;padding:16px 18px;font-size:13px;line-height:1.5}.seed-providers a{color:var(--px-mist)}.seed-providers-title{color:#fff;margin:0 0 8px;font-size:14px;font-weight:700}.seed-providers-intro{margin:0 0 10px}.seed-providers-row{border-top:1px solid var(--px-night-panel-line);padding:8px 0}.seed-providers-name{color:#fff;font-weight:600}.seed-providers-foot{color:var(--px-aqua);margin:10px 0 0}.section{padding-top:48px;padding-bottom:8px}.section:last-of-type{padding-bottom:56px}.section h2{font:800 26px var(--seed-font-display);margin:0 0 6px}.section-intro{color:var(--seed-muted);margin:0 0 20px;font-size:16px}.table-box{border:1px solid var(--seed-line);background:#fff;border-radius:12px;overflow-x:auto}.table-box table{border-collapse:collapse;width:100%;min-width:640px;font-size:15px}.table-box th{text-align:left;background:#f0f4f5;padding:12px 16px}.table-box td{border-top:1px solid var(--seed-line-soft);padding:12px 16px}.table-box td:first-child{font-weight:600}.table-box td:last-child{color:var(--seed-muted)}.table-more{color:var(--seed-muted);margin:12px 0 0;font-size:14px}.cards{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;display:grid}.card{border:1px solid var(--seed-line);color:var(--seed-ink);background:#fff;border-radius:12px;padding:20px;text-decoration:none;display:block}a.card:hover{border-color:var(--seed-accent);color:var(--seed-ink)}.card-title{margin:0 0 6px;font-size:17px;font-weight:700}.card-text{color:var(--seed-muted);margin:0;font-size:14px}.card-soon{color:var(--seed-faint);margin:8px 0 0;font-size:12px}.chips{flex-wrap:wrap;gap:10px;display:flex}.chip{border:1px solid var(--seed-line);background:#fff;border-radius:999px;padding:10px 16px;font-size:15px;font-weight:500;text-decoration:none}.chip--soon{color:var(--seed-faint)}.chips-note{color:var(--seed-muted);margin:12px 0 0;font-size:14px}.prose{max-width:760px;font-size:17px;line-height:1.65}.prose h2{font:800 24px var(--seed-font-display);margin:32px 0 10px}.faq dt{margin-top:16px;font-weight:700}.faq dd{color:var(--seed-muted);margin:4px 0 0;line-height:1.6}.page-head{background:var(--px-night);color:#fff}.page-head-inner{padding-top:36px;padding-bottom:36px}.page-head h1{font:800 40px/1.1 var(--seed-font-display);margin:0 0 12px}.page-head p{color:var(--px-mist);max-width:760px;margin:0;font-size:17px;line-height:1.5}.site-footer{background:var(--px-night);color:var(--px-mist)}.site-footer-inner{flex-wrap:wrap;gap:32px;padding-top:40px;padding-bottom:40px;font-size:14px;line-height:1.6;display:flex}.site-footer-main{flex:2 420px;min-width:0}.site-footer-main p{margin:0 0 10px}.site-footer-title{font:800 18px var(--seed-font-display);color:#fff;margin-bottom:8px}.site-footer-links{flex-direction:column;flex:220px;gap:6px;min-width:0;display:flex}.site-footer-links a{color:var(--px-aqua)}.prose table{border-collapse:collapse;margin:16px 0;font-size:15px;display:block;overflow-x:auto}.prose th,.prose td{text-align:left;vertical-align:top;border-bottom:1px solid var(--seed-line);min-width:160px;padding:10px 12px}.prose thead th{background:var(--seed-tint);font-weight:700}.prose tbody td:first-child{font-weight:600}.answer-box{border:1px solid var(--seed-line);border-left:5px solid var(--px-aqua,var(--seed-accent));background:#fff;border-radius:12px;max-width:820px;margin:-18px 0 0;padding:16px 20px;position:relative;box-shadow:0 6px 18px #00000014}.answer-box p{margin:0;font-size:17px;line-height:1.55}.answer-box .answer-k{font:800 13px var(--seed-font-display);letter-spacing:.06em;text-transform:uppercase;color:var(--seed-accent);margin-bottom:4px}.size-table th span,.size-table td span{color:var(--seed-muted);font-size:12px;font-weight:400;display:block}.size-table tbody th{text-align:left;border-top:1px solid var(--seed-line-soft);background:#f7fafa;min-width:190px;padding:12px 16px;font-size:15px}.size-table td{text-align:center}.size-table td strong{color:var(--seed-accent);font-size:18px}.size-table td:first-child{font-weight:400}.size-table td:last-child{color:inherit}.size-table thead th:not(:first-child){text-align:center}.related{border-top:3px solid var(--seed-accent);max-width:860px;padding-top:14px}.related-title{font:800 20px var(--seed-font-display);margin:0 0 8px}.related ul{gap:12px;margin:0;padding:0;list-style:none;display:grid}.related li a{font-size:17px;font-weight:700}.related li span{color:var(--seed-muted);font-size:14px;display:block}.ad-gap{margin-top:28px}.site-footer-main a{color:var(--px-aqua)}