:root{--navy:#0f172a;--blue:#1463ff;--blue2:#0b4ed5;--orange:#f97316;--bg:#f4f7fb;--card:#fff;--text:#111827;--muted:#64748b;--border:#dbe3ef;--soft:#eef4ff;--radius:22px;--shadow:0 18px 48px rgba(15,23,42,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.site-header{background:linear-gradient(135deg,#071426,#102a50);color:#fff;box-shadow:0 8px 28px rgba(15,23,42,.22)}.site-header-inner{width:min(1160px,calc(100% - 32px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:950;letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--blue),#7aa7ff);display:grid;place-items:center;font-weight:950;box-shadow:0 10px 24px rgba(20,99,255,.35)}.brand-sub{display:block;color:#b8c7da;font-size:12px;font-weight:700;letter-spacing:0}.lang{display:flex;gap:7px;padding:4px;border:1px solid rgba(255,255,255,.15);border-radius:12px;background:rgba(255,255,255,.05)}.lang a{min-width:45px;text-align:center;padding:7px 10px;border-radius:9px;color:#cbd5e1;font-weight:900;font-size:12px}.lang a.active{background:var(--blue);color:#fff}.lang a:hover{text-decoration:none;color:#fff}.page{width:min(1160px,calc(100% - 32px));margin:auto;padding:26px 0 64px}.breadcrumbs{font-size:13px;color:var(--muted);margin:0 0 18px}.breadcrumbs a{font-weight:750}.hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.55fr);gap:24px;align-items:stretch}.hero-main,.hero-side,.panel,.directory-group{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-main{padding:34px}.eyebrow{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#eaf1ff;color:#0f3fb3;font-size:12px;font-weight:950;letter-spacing:.05em;text-transform:uppercase}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.03;letter-spacing:-.05em;margin:15px 0 16px}.lead{font-size:18px;color:#475569;max-width:760px}.hero-side{padding:26px;background:linear-gradient(155deg,#0f172a,#153667);color:#fff}.hero-side h2{font-size:20px;margin:0 0 10px}.hero-side p{color:#d2dceb}.cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:18px;padding:13px 18px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:950;box-shadow:0 12px 26px rgba(20,99,255,.25)}.cta:hover{text-decoration:none;transform:translateY(-1px)}.cta.alt{background:#fff;color:#0f172a;box-shadow:none}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:22px}.panel{padding:26px}.panel h2{margin:0 0 12px;font-size:25px;letter-spacing:-.025em}.panel h3{margin:22px 0 8px;font-size:18px}.panel p{color:#475569}.panel ul,.panel ol{padding-left:22px}.panel li{margin:7px 0}.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:0;list-style:none}.topic-list li{margin:0}.topic-list a{display:block;height:100%;padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:#f8fbff;color:#19365e;font-weight:800}.topic-list a:hover{background:#edf4ff;text-decoration:none;border-color:#aac5f5}.related{margin-top:22px}.notice{padding:14px 16px;border-left:4px solid var(--orange);background:#fff7ed;border-radius:12px;color:#7c2d12}.directory-hero{background:linear-gradient(135deg,#0f172a,#153667);color:#fff;border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}.directory-hero p{color:#d4deec;max-width:800px}.directory-grid{display:grid;gap:20px;margin-top:22px}.directory-group{padding:24px}.directory-group h2{margin:0 0 14px}.directory-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.directory-card{display:block;padding:16px;border:1px solid var(--border);border-radius:16px;background:#f8fbff;color:#183a69}.directory-card strong{display:block;font-size:16px}.directory-card span{display:block;color:#64748b;font-size:13px;margin-top:5px}.directory-card:hover{text-decoration:none;background:#edf4ff;border-color:#9fbef1}.site-footer{border-top:1px solid var(--border);background:#fff;color:#64748b}.site-footer-inner{width:min(1160px,calc(100% - 32px));margin:auto;padding:24px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.site-footer nav{display:flex;gap:14px;flex-wrap:wrap}.app-link-strip{margin-top:22px;padding:18px 20px;border:1px solid var(--border);border-radius:16px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:18px}.app-link-strip p{margin:0;color:#475569}.app-link-strip .cta{margin:0;white-space:nowrap}@media(max-width:850px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.directory-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.site-header-inner{align-items:flex-start}.brand-sub{max-width:180px}.page{width:min(100% - 22px,1160px)}.hero-main,.hero-side,.panel,.directory-group,.directory-hero{padding:21px}.topic-list,.directory-cards{grid-template-columns:1fr}.app-link-strip{align-items:stretch;flex-direction:column}.app-link-strip .cta{width:100%}}
/* WeldScope custom 404 */
.error-page{min-height:100vh;display:flex;flex-direction:column}.error-main{width:min(920px,calc(100% - 32px));margin:auto;flex:1;display:grid;place-items:center;padding:52px 0}.error-card{width:100%;background:#fff;border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow);padding:clamp(24px,5vw,52px);position:relative;overflow:hidden}.error-card:before{content:"";position:absolute;inset:0 auto 0 0;width:7px;background:linear-gradient(180deg,var(--blue),var(--orange))}.error-code{display:block;font-size:clamp(72px,15vw,150px);font-weight:1000;line-height:.82;letter-spacing:-.09em;color:#dce8fa;margin-bottom:26px}.error-copy h1,.error-copy h2{font-size:clamp(29px,5vw,48px);line-height:1.05;letter-spacing:-.045em;margin:14px 0}.error-copy h2{font-size:clamp(27px,4.4vw,42px)}.error-copy p{max-width:760px;color:#475569;font-size:17px}.error-card hr{border:0;border-top:1px solid var(--border);margin:34px 0}.error-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.error-actions .cta{margin:0}.cta.alt-dark{background:#0f172a;color:#fff;box-shadow:none}@media(max-width:560px){.error-main{width:min(100% - 22px,920px);padding:24px 0}.error-actions{flex-direction:column}.error-actions .cta{width:100%}}