:root{--bg:#f4f4f1;--paper:#fff;--ink:#161816;--muted:#646963;--line:#d8dad5;--dark:#171a18;--soft:#ebece8;--accent:#8a6a3d;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Arial,"Helvetica Neue",sans-serif;line-height:1.58;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.wrap{width:min(calc(100% - 48px),var(--max));margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(244,244,241,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-row{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:14px;min-width:max-content}.brand-logo{width:150px;height:auto;display:block}.brand-divider{width:1px;height:28px;background:#b7bbb5}.brand-hlpro{font-size:18px;font-weight:800;letter-spacing:.08em}.nav{display:flex;align-items:center;gap:24px;font-size:14px}.nav a{color:#414640}.nav a:hover,.nav a.active{color:#000}.nav .shop-link{font-weight:750;border-left:1px solid var(--line);padding-left:24px}.menu-btn{display:none;border:1px solid var(--line);background:var(--paper);padding:9px 12px;border-radius:8px;font-weight:700}.hero{padding:96px 0 76px}.eyebrow,.kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#777d77;font-weight:750}.hero h1,.page-hero h1{font-size:clamp(44px,6.5vw,82px);line-height:1.01;letter-spacing:-.05em;margin:14px 0 24px;max-width:1020px}.hero .lead{font-size:21px;line-height:1.55;color:var(--muted);max-width:780px;margin:0}.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:70px;align-items:end}.mission{border-top:2px solid var(--ink);padding-top:20px}.mission strong{display:block;font-size:13px;margin-bottom:9px}.mission p{margin:0;color:#414640;font-size:16px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:12px 16px;font-size:13px;font-weight:800;border:1px solid var(--line);background:var(--paper);color:var(--ink)}.btn-primary{background:var(--dark);border-color:var(--dark);color:#fff}.btn:hover{transform:translateY(-1px)}.section{padding:76px 0}.section-sm{padding:48px 0}.section-line{border-top:1px solid var(--line)}.section-head{display:grid;grid-template-columns:300px 1fr;gap:60px;margin-bottom:38px}.section-head h2{font-size:42px;line-height:1.08;letter-spacing:-.035em;margin:0}.section-head p{margin:4px 0 0;color:var(--muted);font-size:17px;max-width:720px}.process{display:grid;grid-template-columns:repeat(8,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);background:var(--paper)}.process-item{min-height:154px;padding:18px 15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.process-item span{display:block;font-size:11px;color:#8a8e89;margin-bottom:24px}.process-item strong{font-size:14px;line-height:1.35;display:block}.editorial-list{border-top:1px solid var(--line)}.editorial-row{display:grid;grid-template-columns:70px 260px 1fr 110px;gap:24px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line)}.editorial-row .num{font-size:12px;color:#8a8e89}.editorial-row h3{font-size:25px;margin:0;letter-spacing:-.02em}.editorial-row p{margin:0;color:var(--muted);max-width:690px}.editorial-row b{font-size:13px;text-align:right}.feature{background:var(--dark);color:#fff;border-radius:18px;padding:48px;display:grid;grid-template-columns:1fr 360px;gap:60px;align-items:center}.feature h2{font-size:44px;line-height:1.06;letter-spacing:-.035em;margin:8px 0 15px}.feature.feature-single{grid-template-columns:1fr}.feature p{color:#c1c6c1;font-size:17px;max-width:700px}.feature .kicker{color:#929892}.feature-chain{display:grid;gap:9px}.feature-chain span{border:1px solid #393e3a;border-radius:8px;padding:11px 13px;font-size:13px;font-weight:700}.page-hero{padding:70px 0 52px;border-bottom:1px solid var(--line)}.breadcrumbs{font-size:12px;color:#7b807a;margin-bottom:22px}.page-hero h1{font-size:clamp(42px,6vw,70px);max-width:980px}.page-hero p{font-size:19px;color:var(--muted);max-width:800px;margin:0}.content-grid{display:grid;grid-template-columns:260px minmax(0,820px);gap:64px;align-items:start;justify-content:center}.article{min-width:0}.toc{position:sticky;top:104px;font-size:13px}.toc strong{display:block;margin-bottom:12px}.toc a{display:block;padding:6px 0 6px 12px;border-left:1px solid var(--line);color:#777c77}.toc a:hover{color:var(--ink);border-left-color:var(--ink)}.article h2{font-size:36px;line-height:1.14;letter-spacing:-.03em;margin:58px 0 18px}.article h2:first-child{margin-top:0}.article h3{font-size:24px;line-height:1.25;margin:34px 0 12px}.article p,.article li{font-size:17px;color:#343934}.article .lead{font-size:22px;line-height:1.5;color:#262a26}.article ul,.article ol{padding-left:24px}.article li+li{margin-top:7px}.note{border-left:3px solid var(--accent);background:#ece8df;padding:20px 22px;margin:28px 0}.formula{background:var(--dark);color:#fff;border-radius:10px;padding:20px 22px;margin:22px 0;font-size:18px;font-weight:750;line-height:1.5}.formula.cycle{font-size:23px;letter-spacing:.01em}.divider{height:1px;background:var(--line);margin:72px 0}.route{border-top:1px solid var(--line)}.route-item{display:grid;grid-template-columns:62px 280px 1fr;gap:24px;padding:25px 0;border-bottom:1px solid var(--line)}.route-item .n{font-size:12px;color:#8a8e89;padding-top:5px}.route-item h2{font-size:24px;margin:0}.route-item p{margin:0;color:var(--muted)}.route-item.highlight{background:#eceee9;margin:0 -24px;padding-left:24px;padding-right:24px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}.panel{background:var(--paper);border:1px solid var(--line);padding:30px;border-radius:12px}.panel .label{font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:#7e837e}.panel h2,.panel h3{margin:8px 0 10px;letter-spacing:-.025em}.panel h2{font-size:32px}.panel h3{font-size:24px}.panel p{color:var(--muted);margin:0 0 16px}.panel-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.panel-nav{display:flex;flex-direction:column;min-height:100%;transition:background .16s ease,border-color .16s ease,transform .16s ease}.panel-nav:hover{background:#fafaf8;border-color:#bfc3bd;transform:translateY(-1px)}.panel-nav:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.panel-nav-link{display:block;margin-top:auto;padding-top:8px;font-size:13px;font-weight:800;color:var(--ink)}.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:25px 0}.spec{background:var(--paper);border:1px solid var(--line);padding:18px}.spec strong{display:block;font-size:24px}.spec span{font-size:12px;color:var(--muted)}.diagnostic{border-top:1px solid var(--line)}.diagnostic-item{padding:34px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:240px 1fr;gap:50px}.diagnostic-item h2{font-size:26px;margin:0}.diagnostic-item h3{font-size:15px;margin:18px 0 6px}.diagnostic-item p,.diagnostic-item li{color:#4f544f}.diagnostic-item ul{padding-left:20px}.case{border-top:1px solid var(--line);padding:34px 0;display:grid;grid-template-columns:240px 1fr;gap:50px}.case h2{margin:0;font-size:26px}.case p{color:#4f544f}.case .cycle-inline{font-size:21px;font-weight:800;margin:12px 0}.resource-list{border-top:1px solid var(--line)}.resource{display:grid;grid-template-columns:70px 1fr auto;gap:25px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.resource span{font-size:11px;color:#858a85}.resource h2{font-size:22px;margin:0 0 4px}.resource p{margin:0;color:var(--muted);font-size:14px}.resource b{font-size:13px}.footer{background:var(--dark);color:#d0d4d0;margin-top:80px;padding:48px 0 30px}.footer-top{display:flex;justify-content:space-between;gap:40px;align-items:flex-start}.footer-brand{display:flex;align-items:center;gap:14px}.footer .brand-logo{filter:invert(1);width:140px}.footer .brand-divider{background:#505650}.footer .brand-hlpro{color:#fff}.footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}.footer-links a{font-size:13px;color:#c6cbc6}.footer-contact{border-top:1px solid #363b37;margin-top:28px;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:13px}.footer-contact strong{color:#fff;font-size:13px}.footer-contact-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}.footer-contact a{color:#c6cbc6}.footer-contact a:hover{color:#fff}.footer-note{border-top:1px solid #363b37;margin-top:32px;padding-top:20px;display:flex;justify-content:space-between;gap:30px;font-size:12px;color:#858b86}.muted{color:var(--muted)}
@media(max-width:1050px){.nav{display:none}.menu-btn{display:block}.nav.open{display:flex;position:absolute;top:68px;left:20px;right:20px;flex-direction:column;align-items:stretch;background:var(--paper);border:1px solid var(--line);padding:18px;border-radius:10px}.nav .shop-link{border-left:0;padding-left:0}.hero-grid,.section-head,.feature,.content-grid{grid-template-columns:1fr}.mission{max-width:700px}.process{grid-template-columns:repeat(4,1fr)}.toc{display:none}.route-item{grid-template-columns:50px 240px 1fr}.two-col{grid-template-columns:1fr}.footer-top{flex-direction:column}.footer-links{justify-content:flex-start}}
@media(max-width:720px){.wrap{width:min(calc(100% - 28px),var(--max))}.header-row{height:68px}.brand-logo{width:118px}.brand-divider{height:24px}.brand-hlpro{font-size:15px}.hero{padding:64px 0 54px}.hero h1{font-size:46px}.hero .lead{font-size:18px}.section{padding:58px 0}.section-head h2{font-size:34px}.process{grid-template-columns:repeat(2,1fr)}.editorial-row{grid-template-columns:42px 1fr}.editorial-row p,.editorial-row b{grid-column:2}.editorial-row b{text-align:left}.feature{padding:30px}.feature h2{font-size:36px}.route-item,.diagnostic-item,.case{grid-template-columns:1fr;gap:9px}.route-item{padding:22px 0}.route-item .n{padding:0}.route-item.highlight{margin:0 -12px;padding-left:12px;padding-right:12px}.spec-grid{grid-template-columns:1fr}.resource{grid-template-columns:48px 1fr}.resource b{grid-column:2}.footer-contact{flex-direction:column;align-items:flex-start}.footer-contact-links{justify-content:flex-start;gap:10px 16px}.footer-note{flex-direction:column}}


/* Article context and technology navigation */
.article-context-mobile{display:none}
.article-sidebar{max-height:calc(100vh - 122px);overflow:auto;padding-right:10px;scrollbar-width:thin}
.toc-current{padding:0 0 18px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.toc-step,.toc-label{display:block;font-size:10px;line-height:1.35;letter-spacing:.11em;text-transform:uppercase;color:#858a85;font-weight:800}
.toc-title{display:block;font-size:18px;line-height:1.25;margin:7px 0 10px;color:var(--ink)}
.toc-all{font-size:12px!important;padding:0!important;border:0!important;color:#555b55!important}
.toc-all:hover{color:#000!important}
.toc-block+.toc-block{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.toc-label{margin-bottom:8px}
.toc-sections a.active{color:var(--ink);border-left:2px solid var(--ink);font-weight:700}
.toc-stage{display:grid!important;grid-template-columns:25px 1fr;gap:7px;align-items:start;padding:5px 6px!important;border-left:0!important;border-radius:6px;color:#747974!important}
.toc-stage span{font-size:10px;color:#9a9e99;padding-top:2px}
.toc-stage b{font-size:11px;line-height:1.3;font-weight:650}
.toc-stage:hover{background:#ebece8;color:var(--ink)!important}
.toc-stage.related{color:#4f554f!important}
.toc-stage.current{background:var(--dark);color:#fff!important}
.toc-stage.current span{color:#aeb4ae}
.article h2[id],.article h3[id],.route-item[id]{scroll-margin-top:108px}
.article-pager{grid-column:2;display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch;margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}
.article-pager-card{display:flex;flex-direction:column;justify-content:center;min-height:96px;padding:18px 20px;border:1px solid var(--line);border-radius:10px;background:var(--paper)}
.article-pager-card span{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#7d827d;margin-bottom:6px}
.article-pager-card strong{font-size:17px;line-height:1.3}
.article-pager-card.next{text-align:right}
.article-pager-card:hover{border-color:#a8ada8;transform:translateY(-1px)}
.article-pager-all{align-self:center;padding:11px 13px;font-size:12px;font-weight:750;border-radius:8px;border:1px solid var(--line);background:var(--bg);white-space:nowrap}
.process-item{transition:background .15s ease,transform .15s ease}
a.process-item:hover{background:#eceee9;transform:translateY(-2px)}
@media(max-width:1050px){
  .article-context-mobile{display:block;position:sticky;top:68px;z-index:42;background:rgba(244,244,241,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .article-context-mobile-inner{min-height:54px;display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:8px;padding-bottom:8px}
  .article-context-mobile-inner>div{display:flex;flex-direction:column;min-width:0}
  .article-context-step{font-size:9px;text-transform:uppercase;letter-spacing:.09em;color:#858a85;font-weight:800}
  .article-context-mobile strong{font-size:13px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .article-context-mobile a{font-size:11px;font-weight:750;white-space:nowrap}
  .article-pager{grid-column:1;grid-template-columns:1fr 1fr}
  .article-pager-all{grid-column:1 / -1;grid-row:2;text-align:center;justify-self:center}
  .article h2[id],.article h3[id],.route-item[id]{scroll-margin-top:142px}
}
@media(max-width:720px){
  .article-pager{grid-template-columns:1fr}
  .article-pager-all{grid-column:1;grid-row:auto;order:2}
  .article-pager-card.next{order:3;text-align:left}
}

@media (min-width:721px) and (max-width:1050px){.article-context-mobile{top:78px}}

/* Context reading drawer: open explanatory articles without losing the reading position. */
.context-link{position:relative}
.context-link.context-link-marked::after{content:"  ·  справка";font-size:.72em;font-weight:700;color:#7b817b;white-space:nowrap}
.btn.context-link.context-link-marked::after{content:"  +";font-size:1em;color:inherit}
.context-drawer-backdrop{position:fixed;inset:0;z-index:90;background:rgba(16,18,16,.38);opacity:0;pointer-events:none;transition:opacity .18s ease}
.context-drawer{position:fixed;top:0;right:0;bottom:0;z-index:91;width:min(760px,56vw);background:var(--paper);box-shadow:-18px 0 56px rgba(0,0,0,.16);transform:translateX(102%);transition:transform .22s ease;display:flex;flex-direction:column}
.context-drawer-open .context-drawer-backdrop{opacity:1;pointer-events:auto}
.context-drawer-open .context-drawer{transform:translateX(0)}
html.context-drawer-open,html.context-drawer-open body{overflow:hidden}
.context-drawer-head{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;min-height:76px;padding:12px 20px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);position:relative;z-index:2}
.context-drawer-back,.context-drawer-close{appearance:none;border:1px solid var(--line);background:var(--bg);border-radius:8px;min-height:40px;padding:0 12px;color:var(--ink);font:inherit;font-size:13px;font-weight:750;cursor:pointer}
.context-drawer-back[hidden]{visibility:hidden;display:block}
.context-drawer-title-wrap{min-width:0}
.context-drawer-label{display:block;font-size:10px;line-height:1.2;letter-spacing:.11em;text-transform:uppercase;color:#858a85;font-weight:800;margin-bottom:3px}
.context-drawer-title{display:block;font-size:17px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.context-drawer-scroll{overflow:auto;overscroll-behavior:contain;flex:1;scrollbar-width:thin}
.context-drawer-inner{padding:34px 42px 64px;max-width:760px;margin:0 auto}
.context-drawer-tools{display:flex;justify-content:flex-end;margin-bottom:28px}
.context-drawer-full{font-size:12px;font-weight:750;color:#555b55;border-bottom:1px solid #aeb3ae;padding-bottom:2px}
.context-drawer-body.article h2{font-size:30px;margin-top:48px}
.context-drawer-body.article h2:first-child{margin-top:0}
.context-drawer-body.article h3{font-size:21px}
.context-drawer-body.article p,.context-drawer-body.article li{font-size:16px}
.context-drawer-body.article .lead{font-size:19px}
.context-drawer-body .formula{font-size:16px}
.context-drawer-body .formula.cycle{font-size:20px}
.context-drawer-body .btn{margin-top:4px}
.context-drawer-body a:not(.btn){text-decoration:underline;text-decoration-color:#b7bbb7;text-underline-offset:3px}
.context-drawer-body a:hover{text-decoration-color:var(--ink)}
.context-drawer-loading{padding:70px 42px;color:var(--muted);font-size:15px}
@media(max-width:1050px){.context-drawer{width:min(680px,82vw)}}
@media(max-width:720px){
  .context-drawer{width:100vw}
  .context-drawer-head{grid-template-columns:auto 1fr auto;min-height:68px;padding:10px 12px;gap:8px}
  .context-drawer-back,.context-drawer-close{min-height:38px;padding:0 10px;font-size:12px}
  .context-drawer-title{font-size:14px}
  .context-drawer-inner{padding:26px 18px 54px}
  .context-drawer-body.article h2{font-size:27px}
  .context-drawer-body.article p,.context-drawer-body.article li{font-size:16px}
  .context-link.context-link-marked::after{content:"  +"}
}

/* Manufacturer product photos */
.manufacturer-figure{margin:24px 0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.manufacturer-figure a{display:block;background:#fff}
.manufacturer-figure img{display:block;width:100%;height:auto;object-fit:contain;background:#fff}
.manufacturer-figure figcaption{padding:10px 14px 12px;border-top:1px solid var(--line);font-size:12px;line-height:1.45;color:var(--muted)}
.manufacturer-figure-wide img{max-height:440px;object-fit:contain;padding:18px;box-sizing:border-box}
.manufacturer-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0 26px}
.manufacturer-gallery .manufacturer-figure{margin:0}
.manufacturer-gallery img{height:300px;object-fit:contain;padding:14px;box-sizing:border-box}
@media(max-width:720px){.manufacturer-gallery{grid-template-columns:1fr}.manufacturer-gallery img{height:auto}.manufacturer-figure-wide img{padding:10px}}


/* Casting tree and defect diagnostics */
.checklist{list-style:none;padding-left:0!important}.checklist li{position:relative;padding-left:30px;margin:11px 0}.checklist li::before{content:"✓";position:absolute;left:0;top:0;font-weight:900;color:#4f554f}.source-links{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 8px}.source-links>a{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);font-size:12px;font-weight:750;text-decoration:none!important}.source-links-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.source-links-grid>a{display:flex;flex-direction:column;align-items:flex-start}.source-links-grid a span{font-weight:450;color:var(--muted);line-height:1.35}.defect-split{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:26px 0}.defect-split>div{border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:24px}.defect-split h3{margin:7px 0 10px!important;font-size:24px!important}.diagnostic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0 26px}.diagnostic-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}.mini-card .hero-actions{margin-top:auto;padding-top:8px}.mini-card .hero-actions .btn{font-size:12px;padding:8px 10px}.mini-card{border:1px solid var(--line);border-radius:10px;padding:18px;background:var(--bg);display:flex;flex-direction:column;gap:7px}.mini-card strong{font-size:15px;line-height:1.35}.mini-card span{font-size:14px;line-height:1.5;color:var(--muted)}.diagnostic-table{width:100%;border-collapse:collapse;margin:20px 0 28px}.diagnostic-table th,.diagnostic-table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:13px 12px;font-size:14px;line-height:1.45}.diagnostic-table th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#747974;background:var(--bg)}.decision-list{counter-reset:diag;list-style:none;padding-left:0!important}.decision-list li{counter-increment:diag;position:relative;padding:16px 18px 16px 54px;border-top:1px solid var(--line);margin:0!important}.decision-list li::before{content:counter(diag,decimal-leading-zero);position:absolute;left:8px;top:16px;font-size:11px;font-weight:900;color:#8a8f8a}.decision-list li:last-child{border-bottom:1px solid var(--line)}
@media(max-width:720px){.defect-split,.diagnostic-grid,.diagnostic-grid-three,.source-links-grid{grid-template-columns:1fr}.diagnostic-table{display:block;overflow-x:auto;white-space:normal}.defect-split>div{padding:20px}}

/* Homepage process video */
.hero-side{display:flex;flex-direction:column;gap:28px;align-self:start}.hero-video{overflow:hidden;border-radius:14px;border:1px solid var(--line);background:#111;box-shadow:0 14px 34px rgba(0,0,0,.08);margin-top:40px}.hero-video video{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#111}.hero-side .mission{margin-top:0}.hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);align-items:start}
@media(max-width:1050px){.hero-side{max-width:760px}.hero-video{max-width:640px;margin-top:0}.hero-grid{grid-template-columns:1fr}.hero-side .mission{max-width:640px}}
@media(max-width:720px){.hero-side{gap:22px}.hero-video{border-radius:10px}.hero-video video{aspect-ratio:4/3}}

/* Technology cards are navigation themselves; do not add a visible "справка" marker. */
a.panel-nav.context-link.context-link-marked::after,
a.route-item.context-link.context-link-marked::after{content:none}


/* Start page and cross-route navigation */
.journey-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.journey-card{display:flex;flex-direction:column;min-height:300px;padding:28px;border:1px solid var(--line);border-radius:12px;background:var(--paper);transition:transform .16s ease,border-color .16s ease,background .16s ease}.journey-card:hover{transform:translateY(-2px);border-color:#adb2ac;background:#fafaf8}.journey-card>span{font-size:10px;line-height:1.3;letter-spacing:.11em;text-transform:uppercase;color:#7e837e;font-weight:800}.journey-card h3{font-size:27px;line-height:1.15;letter-spacing:-.025em;margin:10px 0 12px}.journey-card p{font-size:15px;line-height:1.55;color:var(--muted);margin:0 0 18px}.journey-card b{display:block;margin-top:auto;padding-top:18px;font-size:13px}.route-flow{margin-top:auto;padding:13px 0 0;border-top:1px solid var(--line);font-size:12px;line-height:1.5;color:#565b56;font-weight:700}.journey-card .route-flow+b{margin-top:0}.case-status{display:inline-block;margin-bottom:9px;padding:5px 8px;border:1px solid var(--line);border-radius:999px;background:var(--paper);font-size:9px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;color:#666c66}.case-result{margin:18px 0;padding:15px 17px;border-left:3px solid var(--accent);background:#ece8df;font-size:14px;line-height:1.55;color:#404540}.panel ul{margin:8px 0 0;padding-left:20px;color:var(--muted)}.panel li+li{margin-top:7px}@media(max-width:1050px){.journey-grid{grid-template-columns:1fr}.journey-card{min-height:0}}

.defect-split .label{display:block;font-size:10px;line-height:1.3;letter-spacing:.11em;text-transform:uppercase;color:#7e837e;font-weight:800}

/* Build version: intentionally unobtrusive, useful when checking deployment. */
.site-version{margin-left:7px;font-size:9px;font-weight:650;letter-spacing:.06em;color:#9a9e9a;white-space:nowrap}

/* v82: compact audience cards below the hero. */
.home-hero .wrap{max-width:1080px}
.home-hero .lead{max-width:900px}
.audience-strip{padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f3f3ef}
.audience-switches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.audience-card{display:flex;flex-direction:column;gap:6px;min-width:0;padding:18px 20px;border:1px solid var(--line);border-radius:10px;background:var(--paper);transition:transform .15s ease,border-color .15s ease,background .15s ease}
.audience-card:hover{transform:translateY(-1px);border-color:#adb2ac;background:#fafaf8}
.audience-card strong{font-size:15px;line-height:1.35}
.audience-card span{font-size:13px;line-height:1.45;color:var(--muted)}
@media(max-width:850px){.audience-strip{padding:14px 0}.audience-switches{grid-template-columns:1fr;gap:8px}.audience-card{padding:15px 17px}}

/* Home audience routes */
.navigator-section{scroll-margin-top:92px}.navigator-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.navigator-card{display:flex;flex-direction:column;min-height:230px;padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--paper);transition:background .16s ease,border-color .16s ease,transform .16s ease}.navigator-card:hover{background:#fafaf8;border-color:#bfc3bd;transform:translateY(-2px)}.navigator-card:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.navigator-num{font-size:11px;color:#8a8e89;font-weight:800;margin-bottom:28px}.navigator-card h3{font-size:25px;line-height:1.18;letter-spacing:-.025em;margin:0 0 12px}.navigator-card p{margin:0;color:var(--muted);font-size:15px}.navigator-card b{display:block;margin-top:auto;padding-top:28px;font-size:13px}.navigator-section .section-head{margin-bottom:28px}
@media(max-width:900px){.navigator-grid{grid-template-columns:1fr}.navigator-card{min-height:0}.navigator-card b{margin-top:18px;padding-top:0}}
@media(max-width:720px){.navigator-card{padding:22px}.navigator-num{margin-bottom:18px}.navigator-card h3{font-size:22px}}

.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.table-scroll .diagnostic-table{min-width:760px}

/* Keep diagnostic anchors below the sticky header. */
.diagnostic-item[id],.diagnostic-item h3[id],#printer-check{scroll-margin-top:118px}
@media(max-width:720px){.diagnostic-item[id],.diagnostic-item h3[id],#printer-check{scroll-margin-top:92px}}

/* Casting diagnostics: keep full diagnostic blocks visible below the sticky header. */
#first,#location,#experiment,#sources,#algorithm{scroll-margin-top:118px}
@media(max-width:720px){#first,#location,#experiment,#sources,#algorithm{scroll-margin-top:92px}}

/* v107: three technological phases on the direct-casting route overview */
.route-phase-legend{display:flex;gap:9px;flex-wrap:wrap;margin:0 0 14px}
.route-phase-chip{display:inline-flex;align-items:center;padding:7px 10px;border:1px solid var(--line);border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.025em}
.route-phase-chip.phase-model,.route-item.phase-model,.process-item.phase-model,.toc-stage.phase-model{background:#eceee9}
.route-phase-chip.phase-form,.route-item.phase-form,.process-item.phase-form,.toc-stage.phase-form{background:#f1ede7}
.route-phase-chip.phase-cast,.route-item.phase-cast,.process-item.phase-cast,.toc-stage.phase-cast{background:#e9ecee}
.toc-stage.current{background:var(--dark);color:#fff!important}
.route-item.phase-model,.route-item.phase-form,.route-item.phase-cast{margin:0 -24px;padding-left:24px;padding-right:24px}
@media(max-width:720px){.route-item.phase-model,.route-item.phase-form,.route-item.phase-cast{margin:0 -12px;padding-left:12px;padding-right:12px}.route-phase-chip{font-size:10px}}

/* v108: one left navigation for route + current article */
.toc-unified .toc-current .toc-title[aria-hidden="true"]{display:none}
.toc-unified .toc-current{padding-bottom:14px;margin-bottom:14px}
.toc-unified .toc-stages{margin-top:0!important;padding-top:0!important;border-top:0!important}
.toc-stage-accordion{margin:4px 0;border-radius:8px;overflow:hidden;background:var(--dark);color:#fff}
.toc-stage-accordion summary{display:grid;grid-template-columns:25px minmax(0,1fr) 14px;gap:7px;align-items:start;padding:8px 8px;cursor:pointer;list-style:none;user-select:none}
.toc-stage-accordion summary::-webkit-details-marker{display:none}
.toc-stage-accordion summary:focus-visible{outline:2px solid #fff;outline-offset:-3px}
.toc-stage-accordion .toc-stage-number{font-size:10px;line-height:1.3;color:#aeb4ae;padding-top:2px}
.toc-stage-accordion summary b{font-size:11px;line-height:1.3;font-weight:750;color:#fff}
.toc-stage-chevron{position:relative;width:12px;height:12px;margin-top:1px}
.toc-stage-chevron::before,.toc-stage-chevron::after{content:"";position:absolute;top:6px;width:7px;height:1.5px;background:#aeb4ae;transition:transform .16s ease}
.toc-stage-chevron::before{left:0;transform:rotate(45deg)}
.toc-stage-chevron::after{right:0;transform:rotate(-45deg)}
.toc-stage-accordion:not([open]) .toc-stage-chevron::before{transform:rotate(-45deg)}
.toc-stage-accordion:not([open]) .toc-stage-chevron::after{transform:rotate(45deg)}
.toc-stage-sections{padding:2px 10px 10px 31px}
.toc-stage-sections .toc-label{margin:3px 0 5px;color:#8f968f;font-size:9px}
.toc-stage-sections a{display:block;padding:5px 0 5px 10px!important;border-left:1px solid #444a45!important;color:#bdc3bd!important;font-size:11px;line-height:1.35}
.toc-stage-sections a:hover{color:#fff!important;border-left-color:#858d86!important}
.toc-stage-sections a.active{color:#fff!important;border-left:2px solid #fff!important;font-weight:750}

/* v109 — unified route navigation, light current-stage accordion */
.toc-stage-accordion{
  margin:7px 0;
  border:1px solid #cfd3cd;
  border-radius:9px;
  overflow:hidden;
  background:#f7f7f4;
  color:var(--ink);
  box-shadow:0 1px 0 rgba(20,24,20,.03);
}
.toc-stage-accordion summary{
  display:grid;
  grid-template-columns:25px minmax(0,1fr) 14px;
  gap:7px;
  align-items:start;
  padding:9px 9px 9px 6px;
  cursor:pointer;
  list-style:none;
  user-select:none;
  background:#eceee9;
  border-left:3px solid var(--ink);
}
.toc-stage-accordion summary::-webkit-details-marker{display:none}
.toc-stage-accordion summary:focus-visible{outline:2px solid var(--ink);outline-offset:-3px}
.toc-stage-accordion .toc-stage-number{
  font-size:10px;
  line-height:1.3;
  color:#777d77;
  padding-top:2px;
}
.toc-stage-accordion summary b{
  font-size:11px;
  line-height:1.35;
  font-weight:800;
  color:var(--ink);
}
.toc-stage-chevron{position:relative;width:12px;height:12px;margin-top:1px}
.toc-stage-chevron::before,.toc-stage-chevron::after{
  content:"";
  position:absolute;
  top:6px;
  width:7px;
  height:1.5px;
  background:#697069;
  transition:transform .16s ease;
}
.toc-stage-chevron::before{left:0;transform:rotate(45deg)}
.toc-stage-chevron::after{right:0;transform:rotate(-45deg)}
.toc-stage-accordion:not([open]) .toc-stage-chevron::before{transform:rotate(-45deg)}
.toc-stage-accordion:not([open]) .toc-stage-chevron::after{transform:rotate(45deg)}
.toc-stage-sections{
  padding:7px 10px 10px 29px;
  background:#f9f9f6;
  border-top:1px solid #dfe2dc;
}
.toc-stage-sections .toc-label{
  margin:2px 0 5px;
  color:#8a908a;
  font-size:9px;
}
.toc-stage-sections a{
  display:block;
  padding:5px 7px 5px 10px!important;
  border-left:1px solid #ccd1ca!important;
  color:#626862!important;
  font-size:11px;
  line-height:1.35;
  border-radius:0 5px 5px 0;
}
.toc-stage-sections a:hover{
  color:var(--ink)!important;
  border-left-color:#707670!important;
  background:#f0f1ed;
}
.toc-stage-sections a.active{
  color:var(--ink)!important;
  border-left:2px solid var(--ink)!important;
  background:#eceee9;
  font-weight:800;
}


/* v112: decision/economics layer */
.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.decision-cards .panel{min-height:250px}
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.case-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:26px}
.case-card h3{font-size:23px;line-height:1.2;letter-spacing:-.02em;margin:6px 0 14px}
.case-card p{font-size:15px;color:var(--muted);margin:0 0 12px}
.case-card p:last-child{margin-bottom:0}
.econ-calc{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:28px}
.econ-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}
.econ-grid label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:750;color:#4b504b}
.econ-grid input{width:100%;border:1px solid var(--line);border-radius:8px;background:#fafaf8;color:var(--ink);font:inherit;padding:11px 12px;outline:none}
.econ-grid input:focus{border-color:#838983;box-shadow:0 0 0 2px rgba(22,24,22,.06)}
.econ-result{margin-top:20px;border-left:3px solid var(--accent);background:#ece8df;padding:20px 22px;border-radius:0 10px 10px 0}
.econ-result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.econ-result-item{background:rgba(255,255,255,.6);border:1px solid rgba(138,106,61,.18);padding:16px;border-radius:8px}
.econ-result-item span{display:block;font-size:11px;color:#72766f;margin-bottom:6px}
.econ-result-item strong{display:block;font-size:22px;line-height:1.2}
.econ-result p{margin:14px 0 0;font-size:14px;color:#4a4f49}
@media(max-width:900px){.three-col,.case-grid{grid-template-columns:1fr}.decision-cards .panel{min-height:0}.econ-result-grid{grid-template-columns:1fr}}
@media(max-width:720px){.econ-grid{grid-template-columns:1fr}.econ-calc{padding:20px}}

.process.process-five{grid-template-columns:repeat(5,1fr)}
@media(max-width:1050px){.process.process-five{grid-template-columns:repeat(3,1fr)}}
@media(max-width:720px){.process.process-five{grid-template-columns:repeat(2,1fr)}}
/* v126: seven-stage master-model route inside the article. */
.process.process-seven{grid-template-columns:repeat(7,1fr)}
@media(max-width:1050px){.process.process-seven{grid-template-columns:repeat(4,1fr)}}
@media(max-width:720px){.process.process-seven{grid-template-columns:repeat(2,1fr)}}

/* v136: grouped header navigation with direct entry points. */
.nav{gap:6px}
.nav>a,.nav-toplink{display:flex;align-items:center;min-height:42px;padding:0 8px;border-radius:7px}
.nav-group{position:relative;display:flex;align-items:center}
.nav-group>.nav-toplink{padding-right:3px}
.nav-submenu-toggle{display:flex;align-items:center;justify-content:center;width:26px;height:34px;padding:0;border:0;border-radius:6px;background:transparent;color:#6e746e;font:inherit;cursor:pointer}
.nav-submenu-toggle:hover,.nav-submenu-toggle:focus-visible{background:#e7e8e4;color:#111}
.nav-submenu-toggle span{font-size:10px;transition:transform .16s ease}
.nav-group.submenu-open .nav-submenu-toggle span{transform:rotate(180deg)}
.nav-submenu{display:none;position:absolute;top:100%;left:0;z-index:70;min-width:230px;padding:8px;background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 38px rgba(20,22,20,.14)}
.nav-submenu a{display:block;padding:10px 12px;border-radius:7px;font-size:13px;line-height:1.3;white-space:nowrap}
.nav-submenu a:hover,.nav-submenu a.active{background:#eeefeb;color:#000}
.nav-group:focus-within>.nav-submenu,.nav-group.submenu-open>.nav-submenu{display:block}
.nav .shop-link{min-height:42px;padding-left:18px}
.menu-btn{cursor:pointer}
@media(hover:hover) and (min-width:1051px){.nav-group:hover>.nav-submenu{display:block}}
@media(max-width:1050px){
  .nav.open{top:78px;gap:4px;max-height:calc(100vh - 98px);overflow:auto;padding:14px}
  .nav>a,.nav-toplink{min-height:44px;padding:0 10px}
  .nav-group{display:grid;grid-template-columns:minmax(0,1fr) 44px;width:100%}
  .nav-group>.nav-toplink{padding-right:10px}
  .nav-submenu-toggle{width:44px;height:44px}
  .nav-submenu{position:static;grid-column:1 / -1;min-width:0;margin:0 0 6px;padding:5px;background:#f0f1ed;border:0;border-radius:8px;box-shadow:none}
  .nav-submenu a{padding:11px 12px;white-space:normal}
  .nav .shop-link{min-height:44px;padding-left:10px;border-left:0;border-top:1px solid var(--line);border-radius:0;margin-top:4px}
}
@media(max-width:720px){.nav.open{top:68px;left:14px;right:14px;max-height:calc(100vh - 86px)}}

/* v125: contrast inside dark feature panels.
   Article typography is declared later than the base .feature rules, so it could
   override the intended light text. Notes inside a dark panel also need their
   own foreground because the panel's white text otherwise carries into the
   light note background. */
.article .feature p,
.article .feature li { color:#d0d4d0; }
.article .feature .note { color:#343934; background:#ece8df; }
.article .feature .note p,
.article .feature .note li { color:#343934; }
.article .feature .note strong { color:var(--ink); }
.feature .note { color:#343934; background:#ece8df; }
.feature .note p,
.feature .note li { color:#343934; }
.feature .note strong { color:var(--ink); }

/* v139: project feedback and case submission. */
.feedback-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
.feedback-cards .panel{min-height:220px}
.feedback-layout{display:grid;grid-template-columns:minmax(260px,360px) minmax(0,1fr);gap:64px;align-items:start}
.feedback-intro h2{font-size:40px;line-height:1.08;letter-spacing:-.035em;margin:8px 0 18px}
.feedback-intro>p{font-size:16px;color:var(--muted)}
.feedback-checklist{margin:28px 0;padding:22px;border-top:2px solid var(--ink);background:var(--paper)}
.feedback-checklist strong{display:block;margin-bottom:10px}
.feedback-checklist ul{margin:0;padding-left:20px;color:#4b504b}
.feedback-checklist li+li{margin-top:5px}
.feedback-direct a{text-decoration:underline;text-decoration-color:#aeb3ad;text-underline-offset:3px}
.feedback-form{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:32px}
.feedback-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.field{display:flex;flex-direction:column;gap:8px;min-width:0;font-size:13px;font-weight:750;color:#454a45}
.field-wide{grid-column:1 / -1}
.field>span:first-child b,.feedback-consent b{color:#9d542b}
.field input,.field select,.field textarea{width:100%;border:1px solid #c9cdc7;border-radius:8px;background:#fafaf8;color:var(--ink);font:inherit;font-weight:400;padding:12px 13px;outline:none;transition:border-color .15s ease,box-shadow .15s ease}
.field select{min-height:48px}
.field textarea{resize:vertical;line-height:1.5}
.field input[type="file"]{padding:14px;background:#f1f2ee;border-style:dashed;cursor:pointer}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#6f756f;box-shadow:0 0 0 3px rgba(25,28,25,.08)}
.field small{font-size:12px;font-weight:400;line-height:1.45;color:#747974}
.feedback-file-list{font-size:12px;font-weight:600;color:#4f544f}
.feedback-consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.45;color:#4b504b;cursor:pointer}
.feedback-consent input{width:19px;height:19px;flex:0 0 auto;margin:1px 0 0;accent-color:var(--ink)}
.feedback-form.was-validated :is(input,select,textarea):invalid{border-color:#a74f3b;box-shadow:0 0 0 2px rgba(167,79,59,.08)}
.feedback-submit{display:flex;align-items:center;gap:18px;margin-top:26px}
.feedback-submit .btn{min-height:48px;cursor:pointer}
.feedback-submit .btn:disabled{opacity:.6;cursor:wait;transform:none}
.feedback-submit span{font-size:12px;color:#7a7f79}
.feedback-status{margin-top:22px;padding:17px 19px;border-radius:9px;font-size:14px;line-height:1.5}
.feedback-status[data-kind="success"]{background:#e7eee4;border:1px solid #bccdb5;color:#254021}
.feedback-status[data-kind="pending"]{background:#eceee9;border:1px solid #ccd0ca;color:#353a35}
.feedback-status[data-kind="error"]{background:#f3e7e3;border:1px solid #d6b2a6;color:#6a2e21}
.feedback-hp{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
@media(max-width:900px){.feedback-layout{grid-template-columns:1fr;gap:36px}.feedback-cards{grid-template-columns:1fr}.feedback-cards .panel{min-height:0}}
@media(max-width:640px){.feedback-form{padding:21px}.feedback-form-grid{grid-template-columns:1fr}.field-wide{grid-column:auto}.feedback-submit{align-items:flex-start;flex-direction:column}.feedback-intro h2{font-size:34px}}
/* Casting diagnostic protocol and glossary */
.diagnostic-tools{align-items:stretch}
.casting-protocol{display:grid;gap:18px}
.casting-protocol fieldset{margin:0;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--panel,#fff)}
.casting-protocol legend{padding:0 10px;font-size:1.08rem;font-weight:800}
.protocol-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 22px}
.protocol-grid .field{min-width:0}
.protocol-grid .field{font-size:1rem;align-self:start}
.protocol-grid .field input,.protocol-grid .field select{min-height:48px}
.protocol-choice-label{display:flex;flex-direction:column;gap:8px;min-width:0}
.protocol-grid [hidden]{display:none!important}
.protocol-detail-toggle{align-self:flex-start;min-height:44px;padding:8px 2px;border:0;background:transparent;color:var(--ink);font:inherit;font-size:.875rem;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.protocol-detail-toggle:disabled{color:var(--muted);cursor:default;text-decoration:none}
.protocol-detail-toggle:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.protocol-help{margin:0;max-width:75ch}
.protocol-save-status{margin:0;color:var(--muted);font-size:.875rem}
.protocol-save-status:empty{display:none}
@media print{.protocol-detail-toggle,.protocol-help,.protocol-save-status{display:none!important}}
.protocol-photo-note{display:flex;flex-wrap:wrap;gap:8px 18px;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:var(--soft,#f5f4ef)}
.protocol-photo-note strong{flex-basis:100%}
.protocol-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.protocol-status{min-height:1.5em;margin:0;color:var(--muted)}
.protocol-report{margin-top:26px;padding:24px;border:2px solid var(--ink);border-radius:18px;background:#fff}
.protocol-report pre{margin:16px 0 0;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;line-height:1.55}
.cycle-rows{display:grid;gap:12px;margin-bottom:14px}.cycle-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto;gap:10px;align-items:end}.cycle-row label{display:grid;gap:6px}.cycle-row input{width:100%;min-width:0;padding:10px;border:1px solid var(--line);border-radius:8px;font:inherit}.photo-preview{display:grid;gap:8px;overflow-wrap:anywhere}.photo-preview img{max-width:100%;max-height:180px;object-fit:contain;justify-self:start}.protocol-printout{display:none}.protocol-contact{scroll-margin-top:100px}.case-send-status{overflow-wrap:anywhere}.defect-search-results{display:grid;gap:12px;margin-top:16px}.defect-search-result{padding:16px;border:1px solid var(--line);border-radius:12px}.defect-search-result a{display:inline-block;margin:8px 16px 0 0}.defect-search input{width:100%;padding:14px;font:inherit;border:1px solid var(--line);border-radius:8px}
@media(max-width:650px){.cycle-row{grid-template-columns:1fr 1fr}.cycle-row button{grid-column:1/-1}.protocol-actions .btn{white-space:normal}}
@media print{body.protocol-page>*{display:none!important}body.protocol-page>.protocol-printout{display:block!important;margin:0;padding:0}.protocol-printout pre{white-space:pre-wrap;overflow-wrap:anywhere;font:10pt/1.45 Arial,sans-serif;color:#000}.protocol-printout{orphans:3;widows:3}}
.glossary-list{display:grid;gap:0}
.glossary-term{display:grid;grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);gap:8px 34px;padding:25px 0;border-bottom:1px solid var(--line)}
.glossary-term h2{margin:0;grid-row:1 / span 2}
.glossary-term p{margin:0}
.glossary-term a{justify-self:start;margin-top:6px}
@media(max-width:760px){
  .protocol-grid{grid-template-columns:1fr}
  .protocol-grid .field-wide{grid-column:auto}
  .casting-protocol fieldset{padding:18px 14px}
  .glossary-term{grid-template-columns:1fr;gap:8px;padding:21px 0}
  .glossary-term h2{grid-row:auto}
}
@media print{
  .site-header,.footer,.page-hero,.diagnostic-tools,.protocol-actions,.protocol-status,.context-drawer,.context-drawer-backdrop{display:none!important}
  .casting-protocol{gap:10px}
  .casting-protocol fieldset{break-inside:avoid;padding:12px;border-radius:0}
  .protocol-report{display:none!important}
}

.feedback-photo-permission{border:0;padding:0;margin:0}.feedback-photo-permission legend{font-weight:700;margin-bottom:8px}.feedback-photo-permission>label{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line,#d8d4ca);border-radius:10px;padding:12px 13px;margin:8px 0;background:#fff;cursor:pointer}.feedback-photo-permission input[type=radio]{width:20px;height:20px;flex:0 0 auto;margin-top:2px}.feedback-photo-permission span{display:block}.feedback-photo-permission strong{display:block;margin-bottom:2px}.feedback-photo-permission small{display:block;color:var(--muted,#666);line-height:1.4}

/* v215 · case-batch-check evidence */
.case-paths{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0 24px}.case-path{border:1px solid var(--line);border-radius:14px;padding:16px;background:var(--card,#fff)}.case-path strong{display:block;margin-bottom:7px}.case-path span{display:block;color:var(--muted);line-height:1.55}.case-result-gallery img{height:360px}.case-media-details{margin:14px 0 26px;border:1px solid var(--line);border-radius:14px;background:var(--card,#fff);overflow:hidden}.case-media-details summary{cursor:pointer;padding:14px 16px;font-weight:700}.case-media-details[open] summary{border-bottom:1px solid var(--line)}.case-video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:14px}.case-video-card{margin:0;min-width:0}.case-video-card video{display:block;width:100%;max-height:430px;aspect-ratio:9/16;object-fit:contain;background:#111;border-radius:10px}.case-video-card figcaption{font-size:13px;line-height:1.45;color:var(--muted);padding:8px 2px 2px}.case-margin-grid{margin:18px 0 22px}.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.compare-card{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--paper)}.compare-card strong{display:block;margin-bottom:8px}.compare-card p{margin:0;color:var(--muted)}
@media(max-width:900px){.case-video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.case-paths,.case-video-grid,.compare-grid{grid-template-columns:1fr}.case-result-gallery img{height:auto}.case-video-card video{max-height:520px}}
/* v221 — material navigation and Citrus Cast entry points */
.casting-family-grid .panel{min-height:100%;display:flex;flex-direction:column}.casting-family-grid .panel .btn{align-self:flex-start;margin-top:auto}.casting-photo-pair img{height:420px;object-fit:cover;padding:0}.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.table-wrap .diagnostic-table{min-width:680px}.single-test-figure{max-width:880px;margin:28px auto}.single-test-figure img{max-height:620px;object-fit:contain;background:#fff}.cycle-card{margin:18px 0 24px}.evidence-list{padding-left:22px;max-width:940px}.evidence-list li{margin:10px 0;font-size:17px;line-height:1.55}.casting-family-grid h2{margin-bottom:12px}
@media(max-width:720px){.casting-photo-pair img{height:auto}.table-wrap .diagnostic-table{min-width:620px}.single-test-figure img{max-height:none}}
.casting-comparison-panel{margin-top:22px}.casting-comparison-panel .hero-actions{margin-top:20px}