.jobsite-practice,.regional-terms,.content-responsibility{margin-top:52px;margin-bottom:52px;scroll-margin-top:95px}.jobsite-practice{padding:32px;border:1px solid var(--line-strong);border-radius:8px;background:#f0f3eb}.jobsite-practice h2,.learning-dashboard h2{font-size:clamp(25px,3vw,36px);line-height:1.3;margin:10px 0}.practice-tabs,.practice-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.practice-tabs{margin:24px 0}.practice-tabs button{padding:11px 17px;border:1px solid var(--line-strong);border-radius:4px;background:#fff;color:var(--ink)}.practice-tabs button[aria-pressed=true]{background:var(--green);color:#fff}.practice-attempt{padding:26px;background:#fff;border:1px solid var(--line);border-radius:6px}.practice-attempt fieldset{border:0;padding:0;margin:25px 0}.practice-attempt legend{font-weight:600;margin-bottom:12px}.practice-option{display:flex;align-items:flex-start;gap:12px;padding:13px;border:1px solid #c5cbbd;border-radius:4px;margin:9px 0;cursor:pointer}.practice-option:has(input:checked){background:#edf2e6;border-color:#536344}.practice-option input{flex:none;width:18px;height:18px;margin-top:4px;accent-color:#536344}.practice-draft-label{display:block;font-weight:600;margin:24px 0 10px}.practice-attempt textarea{width:100%;resize:vertical;min-height:145px;border:1px solid #929c87;border-radius:4px;background:#fff;padding:14px;font:inherit;color:var(--ink)}.practice-note{font-size:14px!important;line-height:1.65;color:#565e50!important}.speech-player select{font:inherit;padding:9px;border:1px solid var(--line-strong);border-radius:4px;background:#fff;margin-left:10px;color:var(--ink)}.speech-player [role=status]:not(:empty){display:block;padding:12px;background:#fff6df;border-left:3px solid #9b6b24}.practice-transcript{margin:20px 0;padding:14px 0;border-block:1px solid var(--line)}.practice-transcript summary{cursor:pointer;font-weight:600}.practice-feedback{margin-top:30px;padding:24px;background:#eef2e9;border-radius:6px;scroll-margin-top:95px}.practice-feedback blockquote{padding:15px;margin:12px 0;background:#fff;border-left:3px solid #536344;overflow-wrap:anywhere}.practice-tool{display:flex;align-items:center;gap:20px;margin:20px 0;color:#565e50}.practice-tool img{width:100px;height:100px;object-fit:contain}.learning-dashboard{margin:30px 0 55px;padding:28px 0;border-block:1px solid var(--line-strong);scroll-margin-top:95px}.learning-summary{display:flex;gap:15px;justify-content:space-between;flex-wrap:wrap;margin:20px 0;font-size:14px}.learning-summary span{color:#565e50}.learning-task-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.learning-task-grid a{padding:22px 18px;border:1px solid #c5cbbd;border-radius:5px;text-decoration:none;color:var(--ink);background:#fff;display:flex;flex-direction:column;align-items:flex-start}.learning-task-grid a.recommended{background:#edf2e6;border-color:#536344}.learning-task-grid h3{margin:12px 0;font-size:19px}.learning-task-grid p{font-size:14px;color:#565e50;flex:1}.learning-task-grid span{font-size:12px;font-weight:600;color:#47543a}.learning-task-grid b{display:flex;align-items:center;gap:7px;font-size:14px;margin-top:15px}.practice-week{margin:22px 0}.practice-week summary{cursor:pointer;font-weight:600}.practice-week li{padding:5px}.practice-table-wrap{overflow-x:auto}.regional-terms table{width:100%;border-collapse:collapse;text-align:left}.regional-terms th,.regional-terms td{padding:14px;border-bottom:1px solid var(--line)}.regional-terms caption{text-align:left;color:#565e50;padding:10px 0}.content-responsibility{padding:22px;border:1px solid var(--line);font-size:14px;color:#565e50}.content-responsibility p{margin:8px 0}.practice-attempt button:disabled{cursor:not-allowed;opacity:.55}.practice-attempt :focus-visible,.practice-tabs :focus-visible,.learning-dashboard :focus-visible{outline:3px solid #687d52;outline-offset:4px}.workbook-sample{margin-block:30px;padding:28px;border:1px solid var(--line-strong);background:#f0f3eb;border-radius:6px}.workbook-sample h2{margin-top:0}.sample-paper{background:#fff;padding:24px;border:1px solid #c5cbbd;max-width:720px;margin:20px 0}.sample-paper blockquote{margin:12px 0;border-left:3px solid #536344;padding-left:15px}.atlas-primary-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.atlas-primary-actions .btn{font-size:14px}.guide-hero .guide-position-card{display:none}.guide-hero-layout{grid-template-columns:1fr!important}.guide-page .guide-intro small,.guide-page .guide-title-zh{color:#565e50}.nav-links .training-nav-item{font-weight:600;color:#435334}.practice-attempt p,.content-responsibility p{overflow-wrap:anywhere}@media(max-width:760px){.learning-task-grid{grid-template-columns:1fr}.jobsite-practice{padding:20px 15px}.practice-attempt,.practice-feedback{padding:18px 14px}.practice-actions .btn{width:auto}.practice-actions{align-items:flex-start}.workbook-sample{padding:20px}.practice-option{font-size:15px}.regional-terms th,.regional-terms td{padding:10px}.atlas-primary-actions{display:grid;grid-template-columns:1fr 1fr}.atlas-primary-actions .btn{padding:12px 8px}.learning-dashboard{margin-top:26px}.practice-table-wrap table{min-width:490px}}.speech-player audio{display:block;width:100%;max-width:520px;margin-top:15px}.sample-preview-layout{display:grid;grid-template-columns:minmax(160px,280px) 1fr;gap:24px;align-items:start;margin:22px 0}.sample-preview-layout>img{width:100%;height:auto;border:1px solid #c5cbbd}.sample-preview-layout .sample-paper{margin:0}@media(max-width:600px){.sample-preview-layout{grid-template-columns:1fr}.sample-preview-layout>img{max-width:240px}}.iso{--anatomy-page:#0b0b0b;--anatomy-card:#131313;--anatomy-text:#a3a3a3;--anatomy-strong:#e6e6e6;--anatomy-muted:#6e6e6e;--anatomy-paper:#131313;--anatomy-face:#1b1b1b;--anatomy-top:#1c1c1c;--anatomy-shade-0:#0f0f0f;--anatomy-shade-1:#121212;--anatomy-shade-2:#151515;--anatomy-shade-3:#181818;--anatomy-lit-top:#262626;--anatomy-lit-shade:#1d1d1d;--anatomy-hi:#d4d4d4;--anatomy-mid:#6a6a6a;--anatomy-lo:#3e3e3e;--anatomy-faint:#2a2a2a;--anatomy-lit:#ffffff;--anatomy-halo:#050505;--anatomy-halo-opacity:.9;--anatomy-dot:#e6e6e6;--anatomy-red:#ff6b6b;--anatomy-green:#6be0a0;--anatomy-blue:#6b9bff;--anatomy-weight:.6px;--anatomy-ease:cubic-bezier(.32,.72,0,1);--anatomy-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--anatomy-lift:inset 0 1px 0 0 #ffffff0a,inset 0 0 0 1px #ffffff06,0 0 0 1px #00000026,0 1px 1px -.5px #00000014,0 3px 3px -1.5px #00000014,0 6px 6px -3px #00000014,0 12px 12px -6px #00000014}.iso[data-theme=light]{--anatomy-page:#f2f2ef;--anatomy-card:#fbfbfa;--anatomy-text:#57575a;--anatomy-strong:#18181a;--anatomy-muted:#8c8c90;--anatomy-paper:#fbfbfa;--anatomy-face:#ffffff;--anatomy-top:#ffffff;--anatomy-shade-0:#dcdcd9;--anatomy-shade-1:#e5e5e2;--anatomy-shade-2:#ededea;--anatomy-shade-3:#f4f4f1;--anatomy-lit-top:#ffffff;--anatomy-lit-shade:#eeeeeb;--anatomy-hi:#26262a;--anatomy-mid:#8a8a8f;--anatomy-lo:#b4b4b8;--anatomy-faint:#d4d4d6;--anatomy-lit:#000000;--anatomy-halo:#8a8a80;--anatomy-halo-opacity:.32;--anatomy-dot:#3a3a3e;--anatomy-red:#e5484d;--anatomy-green:#30a46c;--anatomy-blue:#3e63dd;--anatomy-lift:inset 0 1px 0 0 #ffffff,0 0 0 1px #0000000f,0 1px 1px -.5px #0000000a,0 3px 3px -1.5px #0000000a,0 6px 6px -3px #0000000a,0 12px 12px -6px #0000000a}.iso-svg{display:block;width:100%;height:auto;overflow:visible}.iso-fill{fill:var(--anatomy-paper);stroke:none}.iso-solid[data-lit]>.iso-fill{fill:var(--anatomy-face)}.iso-shade,.iso-top{stroke:none}.iso-shade[data-shade="0"]{fill:var(--anatomy-shade-0)}.iso-shade[data-shade="1"]{fill:var(--anatomy-shade-1)}.iso-shade[data-shade="2"]{fill:var(--anatomy-shade-2)}.iso-shade[data-shade="3"]{fill:var(--anatomy-shade-3)}.iso-top{fill:var(--anatomy-top)}.iso-solid[data-lit]>.iso-top{fill:var(--anatomy-lit-top)}.iso-solid[data-lit]>.iso-shade{fill:var(--anatomy-lit-shade)}.iso-solid[data-seamless]>.iso-shade,.iso-solid[data-seamless]>.iso-top{stroke-width:.4;stroke-linejoin:round}.iso-solid[data-seamless]>.iso-shade[data-shade="0"]{stroke:var(--anatomy-shade-0)}.iso-solid[data-seamless]>.iso-shade[data-shade="1"]{stroke:var(--anatomy-shade-1)}.iso-solid[data-seamless]>.iso-shade[data-shade="2"]{stroke:var(--anatomy-shade-2)}.iso-solid[data-seamless]>.iso-shade[data-shade="3"]{stroke:var(--anatomy-shade-3)}.iso-solid[data-seamless]>.iso-top{stroke:var(--anatomy-top)}.iso-solid[data-seamless][data-lit]>.iso-top{stroke:var(--anatomy-lit-top)}.iso-solid[data-seamless][data-lit]>.iso-shade{stroke:var(--anatomy-lit-shade)}.iso-solid[data-lit]>.iso-edge{stroke:var(--anatomy-lit)}.iso-halo{fill:var(--anatomy-halo);stroke:none;filter:blur(9px);opacity:var(--anatomy-halo-opacity);transform:translateY(3px)}.iso-line{fill:none;stroke:var(--anatomy-lo);stroke-width:var(--anatomy-weight);stroke-linecap:round;stroke-linejoin:round}.iso-line[data-tone=hi]{stroke:var(--anatomy-hi)}.iso-line[data-tone=mid]{stroke:var(--anatomy-mid)}.iso-line[data-tone=lo]{stroke:var(--anatomy-lo)}.iso-line[data-tone=faint]{stroke:var(--anatomy-faint)}.iso-line[data-tone=lit]{stroke:var(--anatomy-lit)}.iso-line[data-tone=red]{stroke:var(--anatomy-red)}.iso-line[data-tone=green]{stroke:var(--anatomy-green)}.iso-line[data-tone=blue]{stroke:var(--anatomy-blue)}.iso-line[data-dotted]{stroke-dasharray:.01 3.5;stroke-width:1}.iso-line[data-dashed]{stroke-dasharray:3 3}.iso-line[data-flow]{stroke-dasharray:2 6}.iso-wire-end{fill:var(--anatomy-paper);stroke:var(--anatomy-lo);stroke-width:var(--anatomy-weight)}.iso-wire[data-tone=hi] .iso-wire-end{stroke:var(--anatomy-hi)}.iso-wire[data-tone=mid] .iso-wire-end{stroke:var(--anatomy-mid)}.iso-wire[data-tone=faint] .iso-wire-end{stroke:var(--anatomy-faint)}.iso-wire[data-tone=lit] .iso-wire-end{stroke:var(--anatomy-lit)}.iso-dots circle{fill:var(--anatomy-dot);stroke:none;opacity:.32}.iso-dots[data-tone=hi] circle{opacity:.85}.iso-dots[data-tone=mid] circle{opacity:.45}.iso-dots[data-tone=lo] circle{opacity:.22}.iso-dots[data-tone=faint] circle{opacity:.12}.iso-face-text{fill:var(--anatomy-mid);font-family:var(--anatomy-mono);letter-spacing:.04em}.iso-face-text[data-tone=hi]{fill:var(--anatomy-hi)}.iso-face-text[data-tone=lo]{fill:var(--anatomy-lo)}.iso-face-text[data-tone=faint]{fill:var(--anatomy-faint)}.tb-body{fill:var(--anatomy-shade-2);stroke:none}.tb-shine{fill:var(--anatomy-top);stroke:none}.tb-shade{fill:var(--anatomy-shade-0);stroke:none}.tb-ring{fill:none;stroke:var(--anatomy-lo);stroke-width:.45;stroke-linecap:butt;stroke-linejoin:round}.tb-ring[data-tone=mid]{stroke:var(--anatomy-mid)}.tb-ring[data-tone=faint]{stroke:var(--anatomy-faint)}.tb-ring[data-tone=hi]{stroke:var(--anatomy-hi)}@keyframes iso-flow{to{stroke-dashoffset:-32}}@keyframes iso-pulse{0%,to{opacity:.18}12%{opacity:1}40%{opacity:.18}}.iso-line[data-flow]{animation:iso-flow 1.6s linear infinite}.iso-dots circle[data-pulse]{animation:iso-pulse 1.6s steps(1,end) infinite;animation-delay:var(--pulse-at,0ms)}.iso-figure{margin:32px 0 36px}.iso-plate{position:relative;padding:52px 24px;border-radius:0;background:var(--anatomy-card);box-shadow:0 0 0 1px var(--anatomy-mid);--anatomy-paper:var(--anatomy-card)}.iso-plate-corners{position:absolute;inset:18px 20px;pointer-events:none}.iso-plate-corner{position:absolute;color:var(--anatomy-muted);font-family:var(--anatomy-mono);font-size:10.5px;line-height:1;letter-spacing:.04em;white-space:nowrap}.iso-plate-corner[data-corner=fig]{top:0;left:0;color:var(--anatomy-text)}.iso-plate-corner[data-corner=title]{top:0;right:0;text-transform:uppercase;letter-spacing:.1em}.iso-plate-corner[data-corner=hint]{bottom:0;left:0;text-transform:uppercase;letter-spacing:.1em}.iso-plate-corner[data-corner=readout]{right:0;bottom:0;color:var(--anatomy-text);font-variant-numeric:tabular-nums}.iso-plate .iso-svg{margin:0 auto}.iso-legend{display:grid;gap:8px;margin-top:12px;color:var(--anatomy-muted);font-size:13px;line-height:1.55}.iso-keys{display:flex;flex-wrap:wrap;gap:6px 18px}.iso-key{display:inline-flex;align-items:center;gap:7px}.iso-swatch{width:16px;height:10px;flex:none;overflow:visible}.iso-swatch path{fill:none;stroke:var(--anatomy-hi);stroke-width:1;vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-linecap:round}.iso-swatch[data-mark=raised] path,.iso-swatch[data-mark=flat] path{stroke:var(--anatomy-mid)}.iso-swatch[data-mark=lit] path{stroke:var(--anatomy-lit)}.iso-swatch[data-mark=dim] path{stroke:var(--anatomy-lo)}.iso-swatch[data-mark=dotted] path{stroke-dasharray:.01 3;stroke-width:1.4}.iso-swatch[data-mark=dashed] path{stroke-dasharray:3 2.5}.iso-swatch[data-mark=red] path{stroke:var(--anatomy-red)}.iso-swatch[data-mark=green] path{stroke:var(--anatomy-green)}.iso-swatch[data-mark=blue] path{stroke:var(--anatomy-blue)}.iso-swatch-crease{stroke:var(--anatomy-lo)!important}@media(max-width:560px){.iso-plate{padding:48px 12px 70px}.iso-plate-corner[data-corner=hint]{bottom:18px}}@media(prefers-reduced-motion:reduce){.iso-line[data-flow],.iso-dots circle[data-pulse]{animation:none}}:root{color-scheme:light dark;--bg: #f4f7f4;--panel: #ffffff;--panel-2: #e7ece9;--ink: #18221f;--muted: #56645f;--soft: #7e8c86;--line: rgba(24, 34, 31, .12);--line-strong: rgba(24, 34, 31, .22);--yellow: #f1c84b;--green: #178568;--red: #c84b40;--copper: #98643a;--blue: #286d9d;--shadow: 0 20px 42px rgba(24, 34, 31, .09);--shadow-soft: 0 10px 24px rgba(24, 34, 31, .07);--focus: 0 0 0 3px color-mix(in srgb, var(--yellow) 46%, transparent)}@media(prefers-color-scheme:dark){:root{--bg: #161817;--panel: #202420;--panel-2: #111311;--ink: #f6f1e6;--muted: rgba(246, 241, 230, .68);--soft: rgba(246, 241, 230, .45);--line: rgba(255, 255, 255, .1);--line-strong: rgba(255, 255, 255, .18);--shadow: 0 18px 50px rgba(0, 0, 0, .28);--shadow-soft: 0 10px 26px rgba(0, 0, 0, .24)}}*{box-sizing:border-box}html{scroll-behavior:smooth}[id]{scroll-margin-top:88px}body{margin:0;font-family:Avenir Next,IBM Plex Sans,PingFang SC,Noto Sans SC,ui-sans-serif,system-ui,sans-serif;color:var(--ink);background:linear-gradient(90deg,rgba(24,34,31,.035) 1px,transparent 1px) 0 0 / 42px 42px,linear-gradient(0deg,rgba(24,34,31,.026) 1px,transparent 1px) 0 0 / 42px 42px,linear-gradient(180deg,rgba(23,133,104,.11),rgba(40,109,157,.05) 36%,transparent 70%),var(--bg);line-height:1.6}button,input,select{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}a{color:inherit}:focus-visible{outline:0;box-shadow:var(--focus)}.container{width:min(1100px,calc(100% - 40px));margin:0 auto}.nav{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 90%,white 10%);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 8px 24px #3428160a}.nav-inner{width:min(1100px,calc(100% - 40px));height:64px;margin:0 auto;display:flex;align-items:center;gap:18px}.brand{display:inline-flex;align-items:center;gap:10px;margin-right:auto;text-decoration:none;font-weight:900}.brand-mark{width:30px;height:30px;display:inline-grid;place-items:center;border-radius:8px;background:var(--ink);color:var(--yellow);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--yellow) 18%,transparent)}.nav-links{display:flex;gap:6px}.nav-links button,.lang-btn,.icon-btn,.chip{border:1px solid var(--line-strong);color:var(--ink);background:color-mix(in srgb,var(--panel) 72%,transparent);cursor:pointer}.nav-links button{min-height:38px;padding:8px 12px;border-color:transparent;border-radius:8px;font-weight:800;transition:border-color .18s ease,background .18s ease,transform .18s ease}.nav-links button:hover,.lang-btn:hover,.icon-btn:hover,.chip:hover{border-color:var(--soft)}.nav-links button:hover,.btn:hover,.lesson-row:hover,.standard-links a:hover{transform:translateY(-1px)}.nav-links .practice-nav-item{border-color:color-mix(in srgb,var(--green) 34%,transparent);background:color-mix(in srgb,var(--green) 12%,transparent);color:var(--ink)}.lang-btn{min-height:38px;display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:0 13px;font-weight:700}.icon-btn{width:38px;height:38px;display:inline-grid;place-items:center;border-radius:10px}.nav-menu{display:none}.hero{padding:78px 0 48px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--copper);font-size:13px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{max-width:820px;margin:0 auto;font-size:clamp(34px,3.625rem,58px);line-height:1.14;letter-spacing:0;font-weight:900}.hero-title{max-width:960px}.hero-title-break{display:none}.hero-title-space{display:inline}h2{margin-bottom:10px;font-size:clamp(25px,2.125rem,34px);line-height:1.25;letter-spacing:0}h3{margin-bottom:8px;font-size:18px}.subhead,.section-lead{max-width:720px;margin:18px auto 0;color:var(--muted);font-size:18px}.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:30px}.btn{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--line-strong);border-radius:999px;padding:0 22px;text-decoration:none;font-weight:800;box-shadow:var(--shadow-soft);transition:border-color .18s ease,background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease}.btn.primary{border-color:var(--ink);background:var(--ink);color:var(--bg)}.btn.primary:hover{box-shadow:0 16px 30px #1d24202e}.btn.ghost{background:color-mix(in srgb,var(--panel) 92%,white)}.btn.accent{border-color:color-mix(in srgb,var(--green) 54%,var(--line));background:color-mix(in srgb,var(--green) 18%,var(--panel));color:var(--ink)}.hero-viz{max-width:820px;margin:42px auto 0;padding:18px 18px 16px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(90deg,rgba(29,36,32,.04) 1px,transparent 1px) 0 0 / 28px 28px,linear-gradient(0deg,rgba(29,36,32,.035) 1px,transparent 1px) 0 0 / 28px 28px,linear-gradient(145deg,color-mix(in srgb,var(--panel) 92%,transparent),color-mix(in srgb,var(--panel-2) 72%,transparent));box-shadow:var(--shadow),inset 0 1px #ffffff47;text-align:left}.viz-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 10px}.chip{min-height:34px;border-radius:999px;padding:0 13px;font-weight:800;transition:border-color .18s ease,background .18s ease,transform .18s ease}.chip.active{border-color:var(--green);background:color-mix(in srgb,var(--green) 20%,var(--panel))}.chip.danger.active{border-color:var(--red);background:color-mix(in srgb,var(--red) 20%,var(--panel))}.hero-viz svg{width:100%;height:auto;display:block;border-radius:16px}.circuit-board{position:relative;display:grid;grid-template-columns:190px minmax(0,1fr) 190px;gap:18px;align-items:stretch;min-height:300px;padding:22px;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:linear-gradient(90deg,rgba(29,36,32,.055) 1px,transparent 1px) 0 0 / 34px 34px,linear-gradient(0deg,rgba(29,36,32,.05) 1px,transparent 1px) 0 0 / 34px 34px,color-mix(in srgb,var(--panel) 74%,white)}.circuit-board:before{content:"";position:absolute;inset:-30% 45% auto auto;width:260px;height:260px;border-radius:50%;background:color-mix(in srgb,var(--yellow) 20%,transparent);filter:blur(46px);pointer-events:none}.circuit-node,.circuit-path{position:relative;z-index:1}.circuit-node{display:grid;grid-template-rows:auto 1fr auto;gap:14px;min-height:236px;padding:18px;border:1px solid var(--line-strong);border-radius:10px;background:linear-gradient(145deg,#ffffff14,#ffffff05),color-mix(in srgb,var(--panel) 72%,transparent);box-shadow:inset 0 1px #ffffff38,var(--shadow-soft)}.node-index{width:28px;height:28px;display:inline-grid;place-items:center;border-radius:50%;background:var(--ink);color:var(--bg);font-size:13px;font-weight:900}.path-index{position:absolute;top:0;left:50%;z-index:2;transform:translate(-50%,-10px)}.circuit-node strong{display:block;font-size:18px}.circuit-node small{display:block;margin-top:4px;color:var(--muted);font-size:13px;line-height:1.45}.panel-visual{display:grid;gap:10px;align-content:center;justify-self:center;width:min(100%,112px);min-height:118px;padding:18px;border:4px solid color-mix(in srgb,var(--ink) 70%,var(--panel));border-radius:16px;background:linear-gradient(145deg,#fff7e8,#d8cbb5)}.panel-visual span{height:12px;border-radius:999px;background:color-mix(in srgb,var(--ink) 72%,transparent)}.circuit-path{display:grid;grid-template-rows:1fr auto 1fr 1fr;gap:12px;align-content:center;padding:8px 0}.path-line{position:relative;min-height:46px;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;font-weight:900}.path-line i{position:relative;flex:1;height:12px;overflow:hidden;isolation:isolate;border-radius:999px;background:var(--soft);box-shadow:0 8px 15px #00000024}.path-line i:before,.path-line i:after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none}.path-line i:before{background:linear-gradient(90deg,transparent 0 24%,rgba(255,255,255,.68) 34%,transparent 46% 100%);opacity:0;transform:translate(-110%)}.path-line i:after{inset:2px;background:repeating-linear-gradient(90deg,transparent 0 24px,rgba(255,255,255,.28) 24px 34px,transparent 34px 48px);opacity:0;transform:translate(-48px)}.path-line span{width:154px;line-height:1.3}.hot-line i{background:color-mix(in srgb,var(--red) 58%,var(--soft))}.is-live .hot-line i{background:var(--red);box-shadow:0 0 16px #c751437a}.is-live .hot-line i:before,.is-live .neutral-line i:before,.has-fault .ground-line i:before{opacity:1;animation:circuitPulse 1.15s linear infinite}.is-live .hot-line i:after,.is-live .neutral-line i:after,.has-fault .ground-line i:after{opacity:1;animation:conductorMarkers 1.15s linear infinite}.neutral-line i{background:var(--blue)}.is-live .neutral-line i{box-shadow:0 0 16px #4f77956b}.is-live .neutral-line i:before,.is-live .neutral-line i:after{animation-direction:reverse}.ground-line i{background:var(--green)}.has-fault .ground-line i{background:linear-gradient(90deg,var(--green),color-mix(in srgb,var(--red) 42%,var(--green)),var(--green));box-shadow:0 0 18px color-mix(in srgb,var(--red) 46%,transparent)}.switch-visual{justify-self:center;position:relative;display:inline-grid;grid-template-columns:auto auto;gap:12px;align-items:center;min-height:58px;padding:10px 14px;border:1px solid var(--line-strong);border-radius:999px;background:color-mix(in srgb,var(--panel) 80%,transparent);color:var(--ink);cursor:pointer;font-size:13px;font-weight:900;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease}.switch-visual:hover{border-color:var(--soft);transform:translateY(-1px)}.switch-visual:active{transform:translateY(0)}.switch-visual b{position:relative;--switch-travel: 30px;display:block;width:62px;height:32px;overflow:hidden;border-radius:999px;background:var(--panel-2);border:1px solid var(--line-strong);transition:background .22s ease,border-color .22s ease,box-shadow .22s ease}.switch-visual b:before{content:"";position:absolute;inset:4px;border-radius:inherit;background:linear-gradient(90deg,color-mix(in srgb,var(--green) 36%,transparent),color-mix(in srgb,var(--green) 60%,transparent));opacity:0;transform:scaleX(.28);transform-origin:left;transition:opacity .22s ease,transform .22s ease}.switch-visual b i{position:absolute;z-index:1;left:5px;top:5px;width:20px;height:20px;border-radius:50%;background:var(--soft);box-shadow:0 3px 8px #0000002e;transition:transform .24s cubic-bezier(.2,.9,.3,1.1),background .22s ease,box-shadow .22s ease}.switch-visual b.on{background:color-mix(in srgb,var(--green) 24%,var(--panel));border-color:color-mix(in srgb,var(--green) 54%,var(--line));box-shadow:0 0 18px color-mix(in srgb,var(--green) 28%,transparent)}.switch-visual b.on:before{opacity:1;transform:scaleX(1)}.switch-visual b.on i{transform:translate(var(--switch-travel));background:var(--green);box-shadow:0 0 12px color-mix(in srgb,var(--green) 58%,transparent);animation:switchSettle .34s ease}.switch-open .switch-visual b i{animation:switchRelease .26s ease}.is-live .switch-visual{border-color:color-mix(in srgb,var(--green) 36%,var(--line));box-shadow:0 0 18px color-mix(in srgb,var(--green) 18%,transparent)}.has-fault .switch-visual{border-color:color-mix(in srgb,var(--red) 54%,var(--line));box-shadow:0 0 18px color-mix(in srgb,var(--red) 24%,transparent)}.lamp-visual{justify-self:center;width:118px;height:118px;display:grid;place-items:center;border:4px solid color-mix(in srgb,var(--ink) 70%,var(--panel));border-radius:50%;background:color-mix(in srgb,var(--yellow) 14%,var(--panel));color:var(--soft)}.load-node.live .lamp-visual{background:var(--yellow);color:#1f2218;box-shadow:0 0 36px #f2c84b73;animation:lampGlow 1.5s ease-in-out infinite}.fault-callout{position:absolute;left:50%;top:50%;width:fit-content;max-width:min(100%,260px);display:inline-flex;align-items:center;justify-content:center;gap:7px;transform:translate(-50%,-50%) rotate(-3deg);padding:9px 12px;border:1px solid color-mix(in srgb,var(--red) 70%,transparent);border-radius:12px;background:color-mix(in srgb,var(--red) 18%,var(--panel));color:var(--red);font-size:12px;font-weight:900;box-shadow:0 14px 28px #0000002e}.fault-callout svg{width:18px;height:18px;flex:0 0 18px}.circuit-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.circuit-steps span{min-height:34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--panel) 70%,transparent);color:var(--muted);font-size:12px;font-weight:900;text-align:center}.viz-foot{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;margin-top:12px}.viz-foot p{margin:0;color:var(--muted);font-size:14px}.status-pill{display:inline-flex;align-items:center;min-height:32px;border-radius:999px;padding:0 12px;border:1px solid var(--line-strong);background:var(--panel-2);color:var(--muted);font-size:13px;font-weight:900;white-space:nowrap}.status-pill.live{border-color:color-mix(in srgb,var(--green) 60%,transparent);background:color-mix(in srgb,var(--green) 18%,var(--panel));color:var(--green)}.status-pill.danger{border-color:color-mix(in srgb,var(--red) 60%,transparent);background:color-mix(in srgb,var(--red) 16%,var(--panel));color:var(--red)}.hero-grid-bg{fill:color-mix(in srgb,var(--ink) 7%,var(--panel));stroke:var(--line)}.hero-grid-line{fill:none;stroke:color-mix(in srgb,var(--ink) 12%,transparent);stroke-width:1}.device-card rect:first-child{fill:url(#heroGlass);stroke:var(--line-strong);stroke-width:2;filter:drop-shadow(0 18px 20px rgba(0,0,0,.12))}.device-card path,.device-card circle{stroke:var(--ink);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.device-card text{fill:var(--ink);font-size:20px;font-weight:900}.device-card .caption{fill:var(--muted);font-size:14px;font-weight:700}.panel-card .panel-door{fill:url(#heroPanel);stroke:var(--ink);stroke-width:3}.panel-card path{stroke:color-mix(in srgb,var(--ink) 70%,transparent);stroke-width:5}.panel-card circle{fill:var(--green);stroke:none}.toggle{fill:color-mix(in srgb,var(--panel-2) 90%,transparent);stroke:var(--line-strong)}.toggle.on{fill:color-mix(in srgb,var(--green) 18%,var(--panel))}.toggle-slot{fill:none;stroke:color-mix(in srgb,var(--ink) 28%,transparent);stroke-width:9;stroke-linecap:round}.toggle-knob{fill:var(--panel);stroke:var(--ink);stroke-width:5;filter:drop-shadow(0 5px 8px rgba(0,0,0,.18));transition:cy .22s ease}.toggle-knob.on{fill:var(--green)}.fixture{fill:color-mix(in srgb,var(--yellow) 18%,var(--panel));stroke:var(--ink);stroke-width:4}.fixture-lines{fill:none;stroke:color-mix(in srgb,var(--ink) 35%,transparent);stroke-width:7;stroke-linecap:round}.fixture-base{fill:none;stroke:var(--ink);stroke-width:6;stroke-linecap:round}.load-card.energized .fixture{fill:var(--yellow);filter:url(#softGlow)}.conductor{fill:none;stroke-width:13;stroke-linecap:round;filter:drop-shadow(0 7px 8px rgba(0,0,0,.14))}.conductor.hot{stroke:color-mix(in srgb,var(--red) 50%,var(--soft))}.conductor.hot.energized{stroke:var(--red);filter:drop-shadow(0 0 8px rgba(199,81,67,.52))}.conductor.neutral{stroke:var(--blue)}.conductor.ground{stroke:var(--green);opacity:.86}.flow-dot{opacity:0;fill:var(--yellow);stroke:var(--ink);stroke-width:3}.flow-dot.show{opacity:1;animation:pulseDot 1.15s ease-in-out infinite}.flow-dot.delay{animation-delay:.35s}@keyframes pulseDot{0%,to{transform:scale(.92)}50%{transform:scale(1.26)}}@keyframes circuitPulse{0%{transform:translate(-112%)}to{transform:translate(112%)}}@keyframes conductorMarkers{0%{transform:translate(-48px)}to{transform:translate(48px)}}@keyframes switchSettle{0%{transform:translate(0) scale(.96)}72%{transform:translate(calc(var(--switch-travel) + 2px)) scale(1.08)}to{transform:translate(var(--switch-travel)) scale(1)}}@keyframes switchRelease{0%{transform:translate(var(--switch-travel)) scale(.98)}to{transform:translate(0) scale(1)}}@keyframes lampGlow{0%,to{box-shadow:0 0 26px #f2c84b5c}50%{box-shadow:0 0 44px #f2c84b9e}}.fault-bolt{opacity:0;transform:translateY(-4px);transition:opacity .2s ease,transform .2s ease}.fault-bolt.show{opacity:1;transform:translateY(0)}.fault-bolt path{fill:color-mix(in srgb,var(--red) 84%,var(--yellow));stroke:var(--ink);stroke-width:4;stroke-linejoin:round;filter:drop-shadow(0 0 10px rgba(199,81,67,.52))}.fault-bolt text{fill:var(--ink);font-size:15px;font-weight:900}@media(prefers-reduced-motion:reduce){.flow-dot.show,.is-live .hot-line i:before,.is-live .hot-line i:after,.is-live .neutral-line i:before,.is-live .neutral-line i:after,.has-fault .ground-line i:before,.has-fault .ground-line i:after,.switch-visual b.on i,.switch-open .switch-visual b i,.load-node.live .lamp-visual{animation:none}}.stats{max-width:720px;display:grid;grid-template-columns:repeat(3,1fr);margin:24px auto 0;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 92%,white);box-shadow:var(--shadow-soft)}.stat{padding:16px 10px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat strong{display:block;font-size:28px;line-height:1}.stat span,.disclaimer{color:var(--muted);font-size:13px}.disclaimer{max-width:850px;margin:18px auto 0}.section{padding:54px 0 0}.section-header{max-width:820px;margin:0 auto 28px;text-align:center}.section-header .eyebrow{display:inline-flex;width:auto;min-height:28px;justify-content:center;margin:0 auto 12px;padding:0 13px;border:1px solid color-mix(in srgb,var(--copper) 58%,transparent);border-radius:999px;background:color-mix(in srgb,var(--copper) 12%,transparent);color:color-mix(in srgb,var(--copper) 72%,var(--yellow));box-shadow:inset 0 1px #ffffff1a}.section-header h2{max-width:760px;margin-left:auto;margin-right:auto}.section-header .section-lead{margin-top:14px}.idea-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:0}.idea-card,.stage,.tool-card,.case-card,.demo-card,.safety-banner,.concept-grid article,.mistake-list div,.quiz-list details{border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft)}.idea-card{padding:24px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}.idea-card:hover,.stage:hover,.practice-card:hover,.standard-card:hover{border-color:color-mix(in srgb,var(--green) 28%,var(--line));box-shadow:var(--shadow)}.idea-card svg{width:38px;height:38px;margin-bottom:14px;color:var(--green)}#idea{padding-top:44px}#idea .section-header{max-width:680px;margin-bottom:16px}#idea .section-header .eyebrow{min-height:24px;margin-bottom:9px;padding:0 10px;font-size:11px}#idea .section-header h2{max-width:620px;margin-bottom:6px;font-size:clamp(21px,1.6875rem,27px)}#idea .section-header .section-lead{max-width:640px;margin-top:8px;font-size:15px}#idea .idea-grid{gap:10px}#idea .idea-card{display:grid;grid-template-columns:32px 1fr;gap:8px 12px;align-items:start;padding:16px}#idea .idea-card svg{width:28px;height:28px;margin:1px 0 0}#idea .idea-card h3{margin:0;font-size:16px;line-height:1.35}#idea .idea-card p{grid-column:2;margin:-2px 0 0;font-size:14px;line-height:1.55}.idea-card p,.stage-head p,.lesson-row small,.tool-card p,.case-row p,.concept-grid p,.mistake-list div,.steps li,.quiz-list p{color:var(--muted)}.stages{display:grid;gap:26px;margin-top:28px}.stage{overflow:hidden}.stage-head{display:grid;grid-template-columns:54px 1fr;align-items:center;gap:18px;padding:24px 26px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,color-mix(in srgb,var(--yellow) 10%,transparent),transparent 54%),color-mix(in srgb,var(--panel) 94%,white)}.stage-head span{width:54px;height:54px;display:inline-grid;place-items:center;border:1px solid color-mix(in srgb,var(--yellow) 42%,var(--line));border-radius:14px;background:radial-gradient(circle at 28% 24%,rgba(255,255,255,.24),transparent 35%),color-mix(in srgb,var(--yellow) 72%,var(--panel));color:#17140d;font-size:16px;font-weight:900;font-variant-numeric:tabular-nums;box-shadow:0 10px 22px #0000001f}.stage-head-copy{min-width:0;display:grid;gap:6px}.stage-head-copy h3,.stage-head-copy p{margin:0}.stage-head-copy p{max-width:680px;font-size:16px}.lesson-list{display:grid}.lesson-row{min-height:82px;display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 24px;text-decoration:none;border-bottom:1px solid var(--line);transition:background .18s ease,transform .18s ease}.lesson-row:last-child{border-bottom:0}.lesson-row:hover{background:color-mix(in srgb,var(--yellow) 12%,transparent)}.lesson-no{width:34px;height:34px;display:inline-grid;place-items:center;border-radius:10px;background:color-mix(in srgb,var(--ink) 6%,transparent);color:var(--soft);font-weight:900;font-variant-numeric:tabular-nums}.lesson-row small{display:block;margin-top:3px;font-size:14px}.lesson-meta{display:inline-flex;align-items:center;justify-self:end;gap:12px;white-space:nowrap}.difficulty-badge{min-height:28px;display:inline-flex;align-items:center;justify-content:center;align-self:center;border:1px solid color-mix(in srgb,var(--blue) 36%,var(--line));border-radius:999px;padding:0 10px;background:color-mix(in srgb,var(--blue) 12%,transparent);color:var(--ink);font-size:12px;font-weight:900;white-space:nowrap}.dots{display:flex;align-items:center;min-height:24px;gap:4px}.dots i{flex:0 0 auto;width:7px;height:7px;border-radius:999px;background:var(--green)}.usage-flow{justify-content:center;display:flex;flex-wrap:wrap;gap:10px;margin-top:0}.usage-step{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:9px 16px;background:color-mix(in srgb,var(--panel) 92%,white);font-weight:800;box-shadow:var(--shadow-soft)}.usage-step b{width:24px;height:24px;display:inline-grid;place-items:center;border-radius:50%;background:var(--yellow);color:#201b13}footer{margin-top:72px;border-top:1px solid var(--line);padding:32px 0 42px;color:var(--muted);font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.official-links{display:flex;flex-wrap:wrap;gap:14px}.official-links a{color:var(--ink);font-weight:800}.lesson-shell{width:min(1220px,calc(100% - 40px));display:grid;grid-template-columns:280px minmax(0,760px);gap:36px;margin:0 auto}.toc{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 104px);overflow:auto;padding:12px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft)}.toc-title{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 10px;border-bottom:1px solid var(--line)}.toc-stage{margin-top:14px}.toc-stage>span{display:block;margin:0 8px 7px;color:var(--soft);font-size:12px;font-weight:900}.practice-section{padding-top:68px}.module-intro{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;margin-bottom:18px;padding:18px 20px;border:1px solid var(--line);border-radius:10px;background:linear-gradient(135deg,color-mix(in srgb,var(--green) 12%,transparent),transparent 48%),color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft)}.module-intro strong{display:block;margin-bottom:5px;color:var(--ink);font-size:18px}.module-intro p{margin:0;color:var(--muted)}.module-intro .btn{white-space:normal;text-align:center}.appliance-animation{display:grid;gap:16px;margin-bottom:18px;padding:20px;border:1px solid var(--line);border-radius:10px;background:linear-gradient(90deg,rgba(29,36,32,.04) 1px,transparent 1px) 0 0 / 34px 34px,linear-gradient(0deg,rgba(29,36,32,.035) 1px,transparent 1px) 0 0 / 34px 34px,color-mix(in srgb,var(--panel) 92%,white);box-shadow:var(--shadow)}.practice-grid+.appliance-animation{margin-top:18px}.video-concept-card{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(180px,.8fr);gap:16px;align-items:stretch;padding:16px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 76%,white)}.video-concept-card p{grid-column:1 / -1;margin:0;color:var(--muted)}.ohm-loop{position:relative;min-height:180px;display:grid;grid-template-columns:138px 1fr 118px;grid-template-rows:1fr 1fr;gap:16px;align-items:center}.source-block,.meter-bubble,.motor-load{position:relative;z-index:1;display:grid;place-items:center;text-align:center;border:1px solid var(--line-strong);box-shadow:0 14px 24px #0000001f}.source-block{grid-row:1 / 3;min-height:132px;border-radius:10px;background:linear-gradient(145deg,#fff6dd,#d7c69a);color:#211b10}.source-block span,.meter-bubble span{display:block;margin-top:5px;font-size:12px;font-weight:900}.meter-bubble{width:96px;height:96px;justify-self:center;border-radius:50%;background:color-mix(in srgb,var(--panel) 80%,white);color:#1c211b}.motor-load{grid-column:3;grid-row:1 / 3;min-height:132px;border-radius:10px;background:color-mix(in srgb,var(--blue) 20%,var(--panel))}.motor-load i{width:58px;height:58px;border:10px solid color-mix(in srgb,var(--ink) 72%,transparent);border-top-color:var(--yellow);border-radius:50%;animation:washerSpin 2.2s linear infinite}.loop-wire{height:10px;border-radius:999px;background:var(--soft);box-shadow:0 0 18px #0000001f}.loop-wire.hot{grid-column:2;grid-row:1;background:var(--red);animation:cordPulse 2.2s ease-in-out infinite}.loop-wire.neutral{grid-column:2;grid-row:2;background:var(--blue)}.ui-chart{display:grid;gap:8px;align-content:center;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.ui-chart span{color:var(--ink);font-weight:900}.ui-chart svg{width:100%;height:auto}.ui-chart path{fill:none;stroke:var(--soft);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.ui-chart .chart-grid{stroke:color-mix(in srgb,var(--ink) 12%,transparent);stroke-width:1}.ui-chart .chart-line{stroke:var(--blue);stroke-width:5;stroke-dasharray:220;animation:chartDraw 3s ease-in-out infinite}.ui-chart circle{fill:var(--yellow);stroke:color-mix(in srgb,var(--ink) 70%,transparent);stroke-width:2}.washer-scene{position:relative;min-height:260px;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:linear-gradient(90deg,color-mix(in srgb,var(--ink) 7%,transparent) 1px,transparent 1px) 0 0 / 38px 38px,linear-gradient(0deg,color-mix(in srgb,var(--ink) 7%,transparent) 1px,transparent 1px) 0 0 / 38px 38px,color-mix(in srgb,var(--panel-2) 58%,white)}.washer-body{position:absolute;left:50%;bottom:26px;width:210px;height:190px;transform:translate(-50%);border:4px solid color-mix(in srgb,var(--ink) 60%,var(--panel));border-radius:10px;background:linear-gradient(145deg,#f6f1e6,#cbd8d5);box-shadow:0 20px 36px #00000029}.washer-panel{display:flex;gap:10px;align-items:center;height:42px;padding:0 16px;border-bottom:1px solid color-mix(in srgb,var(--ink) 18%,transparent)}.washer-panel span{width:32px;height:10px;border-radius:999px;background:color-mix(in srgb,var(--ink) 45%,transparent)}.washer-door{position:absolute;left:50%;top:66px;width:86px;height:86px;transform:translate(-50%);display:grid;place-items:center;border:8px solid color-mix(in srgb,var(--ink) 55%,transparent);border-radius:50%;background:color-mix(in srgb,var(--blue) 18%,white)}.washer-door i{width:48px;height:48px;border-radius:50%;background:color-mix(in srgb,var(--blue) 35%,transparent);animation:washerSpin 3.4s linear infinite}.washer-base{position:absolute;left:22px;right:22px;bottom:16px;height:10px;border-radius:999px;background:color-mix(in srgb,var(--ink) 26%,transparent)}.wall-outlet{position:absolute;left:42px;top:46px;width:72px;height:92px;display:grid;place-items:center;gap:8px;padding:16px 0;border:3px solid color-mix(in srgb,var(--ink) 55%,var(--panel));border-radius:10px;background:#f8f1e6}.wall-outlet span{width:9px;height:22px;border-radius:999px;background:color-mix(in srgb,var(--ink) 65%,transparent)}.wall-outlet i{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 16px color-mix(in srgb,var(--green) 60%,transparent)}.cord-line{position:absolute;left:100px;right:50%;top:126px;height:8px;border-radius:999px;background:var(--green);animation:cordPulse 2.6s ease-in-out infinite}.protect-device{position:absolute;right:34px;top:58px;width:132px;padding:14px;border:1px solid color-mix(in srgb,var(--green) 48%,var(--line));border-radius:10px;background:color-mix(in srgb,var(--green) 14%,var(--panel))}.protect-device strong,.protect-device span{display:block}.protect-device span{margin-top:6px;color:var(--muted);font-size:12px;font-weight:900}.diagnostic-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.diagnostic-rail span{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--panel) 92%,white);color:var(--muted);font-weight:900;text-align:center}.diagnostic-rail b{width:24px;height:24px;display:inline-grid;place-items:center;border-radius:50%;background:var(--yellow);color:#1d1a10}.appliance-animation p{margin:0;color:var(--muted)}@keyframes washerSpin{0%{transform:rotate(0);box-shadow:inset 18px 0 #ffffff47}to{transform:rotate(360deg);box-shadow:inset 18px 0 #ffffff47}}@keyframes cordPulse{0%,to{opacity:.48}50%{opacity:1}}@keyframes chartDraw{0%{stroke-dashoffset:220}45%,to{stroke-dashoffset:0}}.practice-boundary{display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start;margin-bottom:18px;padding:18px 20px;border:1px solid color-mix(in srgb,var(--red) 34%,var(--line));border-left:4px solid var(--red);border-radius:10px;background:linear-gradient(135deg,color-mix(in srgb,var(--red) 10%,transparent),transparent 52%),color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft)}.practice-boundary svg{color:var(--red)}.practice-boundary h3,.practice-boundary p{margin:0}.practice-boundary p{margin-top:5px;color:var(--muted)}.practice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.practice-grid-continued{margin-top:18px}.practice-card{display:grid;gap:16px;padding:20px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft);transition:border-color .18s ease,box-shadow .18s ease}.practice-card-head{display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:start}.practice-card-head>span{width:46px;height:46px;display:inline-grid;place-items:center;border-radius:13px;background:color-mix(in srgb,var(--green) 22%,var(--panel));color:var(--green);font-weight:900;font-variant-numeric:tabular-nums}.practice-card-head h3{margin:0;font-size:20px;line-height:1.3}.practice-card-head p,.practice-scenario{margin:5px 0 0;color:var(--muted)}.practice-scenario{margin:0;padding:12px 14px;border-radius:8px;background:color-mix(in srgb,var(--ink) 5%,transparent)}.practice-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}.practice-list{min-width:0}.practice-list strong{display:block;margin-bottom:7px;color:var(--ink);font-size:13px}.practice-list ul{display:grid;gap:7px;margin:0;padding-left:18px;color:var(--muted);font-size:14px}.practice-detail{border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:color-mix(in srgb,var(--ink) 4%,transparent)}.practice-detail summary{cursor:pointer;color:var(--ink);font-weight:900}.practice-detail .practice-cols{margin-top:12px}.practice-stop{display:flex;gap:9px;align-items:flex-start;padding:12px 14px;border:1px solid color-mix(in srgb,var(--red) 35%,transparent);border-radius:8px;background:color-mix(in srgb,var(--red) 10%,transparent);color:var(--red);font-size:14px;font-weight:800}.practice-stop svg{flex:none;margin-top:2px}.supplement-panel{display:grid;grid-template-columns:220px 1fr;gap:18px;margin-top:18px;padding:22px;border:1px solid color-mix(in srgb,var(--yellow) 45%,var(--line));border-radius:10px;background:linear-gradient(135deg,color-mix(in srgb,var(--yellow) 12%,transparent),transparent 46%),color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft)}.supplement-panel h3{margin:0}.supplement-panel div{display:grid;gap:10px}.supplement-panel p{margin:0;color:var(--muted)}.standards-section{padding-top:68px}.standards-preview{padding-top:54px}.standards-preview .section-header{margin-bottom:16px}.standards-preview .standards-index{max-width:860px;margin-bottom:0;padding:14px;border:1px solid var(--line);border-radius:10px;background:linear-gradient(135deg,color-mix(in srgb,var(--yellow) 10%,transparent),transparent 52%),color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft)}.standards-index{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin:0 auto 18px}.standards-index a{min-height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;padding:0 14px;background:color-mix(in srgb,var(--panel) 76%,transparent);color:var(--ink);text-decoration:none;font-size:13px;font-weight:900}.standards-index a:hover{border-color:var(--yellow)}.standards-preview .standards-index a{min-height:42px;padding:0 16px;border-color:#1d242033;background:#fff7e8;color:#1d2420;box-shadow:inset 0 -2px #1d242014}.standards-preview .standards-index a:hover{border-color:color-mix(in srgb,var(--yellow) 70%,#1d2420);background:color-mix(in srgb,var(--yellow) 58%,#fff7e8);color:#1d2420}.china-note{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start;margin-bottom:18px;padding:22px 24px;border:1px solid color-mix(in srgb,var(--yellow) 45%,var(--line));border-radius:10px;background:linear-gradient(135deg,color-mix(in srgb,var(--yellow) 16%,transparent),transparent 48%),color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft)}.china-note span{display:inline-flex;margin-bottom:9px;border-radius:999px;padding:3px 10px;background:var(--yellow);color:#1d1a10;font-size:12px;font-weight:900}.china-note h3{margin:0;font-size:24px}.china-note p{margin:0;color:var(--muted)}.standards-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.standard-card{display:grid;grid-template-rows:auto 1fr;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 94%,white);box-shadow:var(--shadow-soft);transition:border-color .18s ease,box-shadow .18s ease}.standard-card.china{border-color:color-mix(in srgb,var(--yellow) 42%,var(--line))}.standard-card-head{padding:20px 22px 16px;border-bottom:1px solid var(--line)}.standard-card-head span{display:inline-flex;margin-bottom:10px;color:var(--soft);font-size:11px;font-weight:900;letter-spacing:0;text-transform:uppercase}.standard-card-head h3{margin-bottom:8px;font-size:20px}.standard-card-head p{margin:0;color:var(--muted);font-size:14px}.standard-links{display:grid}.standard-links a{position:relative;display:grid;gap:4px;padding:15px 46px 15px 22px;border-bottom:1px solid var(--line);text-decoration:none;transition:background .18s ease,transform .18s ease}.standard-links a svg{position:absolute;top:17px;right:20px;color:var(--soft)}.standard-links a:last-child{border-bottom:0}.standard-links a:hover{background:color-mix(in srgb,var(--yellow) 10%,transparent)}.standard-links strong{color:var(--ink)}.standard-links small{color:var(--muted);line-height:1.5}.toc-link{display:block;border-radius:8px;padding:8px 10px;color:var(--muted);text-decoration:none;font-size:13px}.toc-link:hover,.toc-link.active{background:var(--ink);color:var(--bg)}.toc-fab{display:none}.lesson-main{min-width:0;padding-top:48px}.crumb{display:flex;align-items:center;gap:7px;margin-bottom:18px;color:var(--soft);font-size:13px}.crumb a{text-decoration:none}.lesson-hero{margin-bottom:22px}.lesson-hero h1{margin:0;font-size:clamp(32px,2.875rem,46px)}.lesson-hero p{margin-top:12px;color:var(--muted);font-size:18px}.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.meta span{border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:var(--panel);color:var(--muted);font-size:12px;font-weight:800}.safety-banner{display:flex;gap:12px;margin:18px 0 30px;padding:16px 18px;border-left:4px solid var(--red)}.safety-banner svg{flex:none;color:var(--red)}.safety-banner p{margin:0;color:var(--muted);font-size:14px}.lesson-section{margin-top:42px}.lesson-section h2{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:24px}.lesson-section h2 svg{color:var(--copper)}.check-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.check-list li{position:relative;padding-left:28px}.check-list li:before{content:"";position:absolute;left:0;top:.56em;width:10px;height:10px;border-radius:50%;background:var(--green)}.case-card{overflow:hidden}.case-card h3{padding:18px 20px;margin:0;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--yellow) 15%,transparent)}.case-row{display:grid;grid-template-columns:128px 1fr;gap:16px;padding:15px 20px;border-bottom:1px solid var(--line)}.case-row:last-child{border-bottom:0}.case-row strong{color:var(--ink)}.case-row p{margin:0}.concept-grid{display:grid;gap:12px}.concept-grid article{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:16px}.concept-grid span{width:28px;height:28px;display:inline-grid;place-items:center;border-radius:50%;background:var(--green);color:#fff;font-weight:900}.concept-grid p{margin:0}.demo-card{padding:18px}.demo-card svg{width:100%}.demo-controls{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:12px}.demo-controls label{display:flex;align-items:center;gap:12px;font-weight:800}.demo-controls input{accent-color:var(--green)}.demo-controls p,.demo-card>p{flex-basis:100%;margin:4px 0 0;color:var(--muted)}.meter-demo{display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:center}.meter{position:relative;height:280px;border:6px solid #252b28;border-radius:26px;background:#3b4842;box-shadow:inset 0 0 0 8px #202621}.meter-screen{position:absolute;left:28px;right:28px;top:30px;height:62px;display:grid;place-items:center;border-radius:8px;background:#cfe0bd;color:#132114;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:25px;font-weight:900}.meter-dial{position:absolute;left:70px;top:125px;width:78px;height:78px;display:grid;place-items:center;border:8px solid #1a1e1b;border-radius:50%;background:#f6f1e6;color:#18201c;font-weight:900}.probe{position:absolute;bottom:28px;width:18px;height:66px;border-radius:999px}.probe.red{left:66px;background:var(--red)}.probe.black{right:66px;background:#111}.protection-demo{display:grid;grid-template-columns:160px 160px 1fr;gap:18px;align-items:center}.breaker-visual,.gfci-visual{height:190px;display:grid;align-content:center;justify-items:center;gap:14px;border:4px solid var(--line-strong);border-radius:14px;background:var(--panel-2)}.breaker-visual b,.gfci-visual b{border-radius:999px;padding:6px 12px;background:var(--green);color:#fff}.breaker-visual.tripped b,.gfci-visual.tripped b{background:var(--red)}.trouble-map{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.node{min-height:92px;border:1px solid var(--line-strong);border-radius:12px;background:var(--panel-2);color:var(--ink);cursor:pointer;font-weight:900}.node.active{border-color:var(--green);background:color-mix(in srgb,var(--green) 22%,var(--panel))}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.tool-card{display:grid;grid-template-columns:112px 1fr;gap:14px;padding:14px}.tool-card img{width:112px;height:112px;object-fit:contain;border:1px solid var(--line);border-radius:10px;background:#f8f4e8}.tool-card h3{margin-bottom:5px}.tool-card p{margin-bottom:10px;font-size:14px}.tool-card small{display:flex;gap:6px;align-items:flex-start;color:var(--red);font-size:12px;line-height:1.45}.mistake-list{display:grid;gap:10px}.mistake-list div{padding:14px 16px;border-left:4px solid var(--red)}.steps{display:grid;gap:12px;margin:0;padding:0;list-style:none}.steps li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:start;padding:15px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.steps .step-number{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--yellow);color:#1b170f;font-weight:900}.review-links{display:grid;gap:10px}.review-links a{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:13px 15px;background:var(--panel);text-decoration:none;font-weight:800}.review-links a:hover{border-color:var(--green)}.quiz-list{display:grid;gap:12px}.quiz-list details{padding:15px 18px}.quiz-list summary{cursor:pointer;font-weight:900}.quiz-list p{margin:10px 0 0;padding-top:10px;border-top:1px solid var(--line)}.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:54px}.pager a{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--panel);text-decoration:none;font-weight:900}.pager small{display:block;color:var(--soft);font-size:12px;font-weight:800}@media(max-width:900px){[id]{scroll-margin-top:78px}.nav-menu{display:inline-grid}.nav-links{position:absolute;top:64px;left:0;right:0;display:none;gap:8px;max-height:calc(100vh - 74px);overflow-y:auto;padding:8px 20px 14px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 94%,white);box-shadow:0 18px 32px #34281614}.nav-links.open{display:grid}.nav-links button{min-height:54px;padding:0 20px;border-color:var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel) 72%,transparent);text-align:left;font-size:18px;font-weight:900}.lesson-shell{display:block}.toc{position:fixed;top:0;left:0;z-index:80;width:min(320px,86vw);max-height:100vh;height:100vh;border-radius:0;transform:translate(-104%);transition:transform .24s ease}.toc.open{transform:translate(0)}.toc-fab{position:fixed;right:18px;bottom:18px;z-index:40;min-height:44px;display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;padding:0 16px;background:var(--ink);color:var(--bg);font-weight:900}.lesson-main{padding-top:38px}.idea-grid,.tool-grid,.meter-demo,.protection-demo,.practice-grid,.practice-cols,.supplement-panel,.module-intro,.video-concept-card,.standards-grid,.china-note{grid-template-columns:1fr}.section-header{margin-bottom:22px}.hero-viz{margin-top:28px;padding:12px;border-radius:10px}.viz-toolbar{gap:7px;margin-bottom:8px}.chip{min-height:32px;padding:0 11px;font-size:13px}.practice-card{padding:18px}.module-intro{align-items:stretch}.module-intro .btn{width:100%}.standards-preview{padding-top:42px}.standards-preview .standards-index{padding:12px;border-radius:10px}.ohm-loop{grid-template-columns:92px 1fr 92px;min-height:144px;gap:10px}.source-block,.motor-load{min-height:108px}.meter-bubble{width:74px;height:74px}.motor-load i{width:42px;height:42px;border-width:8px}.washer-scene{min-height:220px}.washer-body{width:168px;height:154px}.washer-door{top:54px;width:68px;height:68px;border-width:7px}.washer-door i{width:38px;height:38px}.wall-outlet{left:20px;top:34px;width:58px;height:78px}.protect-device{right:18px;top:40px;width:104px;padding:11px}.diagnostic-rail{grid-template-columns:repeat(2,1fr)}.circuit-board{grid-template-columns:1fr;gap:8px;min-height:0;padding:12px;border-radius:16px}.circuit-node{min-height:0;grid-template-columns:30px 64px 1fr;grid-template-rows:auto;gap:10px;align-items:center;padding:10px 12px;border-radius:14px}.node-index{width:26px;height:26px;font-size:12px}.panel-visual,.lamp-visual{width:60px;height:60px;min-height:60px;border-width:3px}.panel-visual{padding:10px;gap:5px}.panel-visual span{height:7px}.lamp-visual svg{width:28px;height:28px}.circuit-node strong{font-size:15px}.circuit-node small{margin-top:2px;font-size:12px}.circuit-path{grid-template-rows:none;gap:6px;padding:8px 10px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--panel) 70%,transparent)}.path-line{min-height:26px;gap:8px;font-size:11px}.path-line i{height:8px}.path-line span{width:132px}.switch-visual{min-height:38px;gap:8px;padding:5px 9px;font-size:12px}.switch-visual b{--switch-travel: 22px;width:46px;height:24px}.switch-visual b i{left:4px;top:4px;width:14px;height:14px}.switch-visual b.on i{transform:translate(var(--switch-travel))}.fault-callout{position:static;justify-self:center;width:auto;max-width:220px;min-height:30px;justify-content:center;transform:none;padding:6px 10px;border-radius:999px;font-size:11px;line-height:1.25;text-align:center}.fault-callout svg{width:15px;height:15px;flex-basis:15px}.circuit-steps{grid-template-columns:repeat(3,1fr);gap:6px;margin-top:8px}.circuit-steps span{min-height:30px;padding:0 6px;font-size:11px;line-height:1.2}.viz-foot{display:flex;grid-template-columns:none;gap:10px;align-items:center;margin-top:10px}.viz-foot p{min-width:0;font-size:13px;line-height:1.35;white-space:nowrap}.status-pill{flex:0 0 auto;min-height:30px;width:fit-content;padding:0 10px;font-size:12px}}@media(max-width:680px){.container,.nav-inner,.lesson-shell{width:min(100% - 28px,1100px)}.hero{padding-top:50px}h1{max-width:640px;font-size:38px;line-height:1.16}.subhead,.section-lead{font-size:16px}.hero-actions{display:grid;grid-template-columns:1fr;width:min(100%,360px);margin-left:auto;margin-right:auto}.stats{grid-template-columns:repeat(3,1fr);margin-top:18px}.section{padding-top:46px}.section-header{margin-bottom:18px}.stat:nth-child(2){border-right:1px solid var(--line)}.stat:nth-child(1),.stat:nth-child(2){border-bottom:0}.case-row,.tool-card,.pager,.trouble-map{grid-template-columns:1fr}.stage-head{grid-template-columns:46px 1fr;gap:14px;padding:18px}.stage-head span{width:46px;height:46px;border-radius:10px;font-size:14px}.stage-head-copy h3{font-size:24px;line-height:1.25}.stage-head-copy p{font-size:15px}.lesson-row{min-height:0;grid-template-columns:42px 1fr;align-items:start;padding:18px}.lesson-meta{grid-column:2;justify-self:start;gap:10px;margin-top:7px}.lesson-row .difficulty-badge{min-height:24px;padding:0 9px;font-size:11px}.lesson-row{align-items:start}.case-row{gap:5px}.tool-card img{width:100%;height:150px}.pager a{min-height:76px}}.nav-links .assessment-nav-item{border-color:color-mix(in srgb,var(--yellow) 58%,transparent);background:color-mix(in srgb,var(--yellow) 17%,transparent)}.assessment-page{min-height:72vh}.assessment-intro{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:46px;align-items:center;padding-top:76px}.assessment-intro h1,.assessment-results-copy h1{max-width:880px;margin:10px 0 0;font-size:clamp(38px,5.4vw,66px);line-height:1.04}.assessment-intro>div>p,.assessment-results-copy>p{max-width:780px;margin:20px 0 0;color:var(--muted);font-size:18px;line-height:1.75}.assessment-intro-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.assessment-scope{padding:26px;border:1px solid color-mix(in srgb,var(--yellow) 56%,var(--line));border-radius:12px;background:linear-gradient(145deg,color-mix(in srgb,var(--yellow) 21%,transparent),transparent 64%),var(--panel);box-shadow:var(--shadow)}.assessment-scope>strong{font-size:21px}.assessment-scope ul{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.assessment-scope li{display:grid;grid-template-columns:18px 1fr;gap:9px;color:var(--muted)}.assessment-scope li:before{content:"✓";color:var(--green);font-weight:900}.assessment-boundary{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;align-items:center;margin-top:10px;margin-bottom:70px;padding:16px 18px;border:1px solid color-mix(in srgb,var(--green) 34%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--green) 7%,var(--panel))}.assessment-boundary svg{color:var(--green)}.assessment-boundary p{margin:0;color:var(--muted)}.assessment-question-shell{max-width:880px;padding-top:72px}.assessment-progress-head{display:flex;align-items:end;justify-content:space-between;gap:18px}.assessment-progress-head>div{display:grid}.assessment-progress-head .eyebrow{margin-bottom:5px}.assessment-progress-head>span{color:var(--soft);font-size:13px;font-weight:900}.assessment-progress{height:7px;margin:14px 0 26px;overflow:hidden;border-radius:99px;background:var(--panel-2)}.assessment-progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),var(--yellow));transition:width .2s ease}.assessment-question-card{min-width:0;margin:0;padding:28px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel) 96%,transparent);box-shadow:var(--shadow)}.assessment-question-card legend{width:100%;padding:0 0 20px}.assessment-question-card legend>span,.assessment-question-card legend>small{display:block}.assessment-question-card legend>span{font-size:clamp(23px,3vw,32px);font-weight:900;line-height:1.28}.assessment-question-card legend>small{margin-top:8px;color:var(--muted);font-size:15px}.assessment-options{display:grid;gap:10px}.assessment-options label{display:grid;grid-template-columns:38px minmax(0,1fr);gap:12px;align-items:center;min-height:76px;padding:12px 15px;border:1px solid var(--line-strong);border-radius:9px;background:color-mix(in srgb,var(--panel) 84%,transparent);cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}.assessment-options label:hover{transform:translateY(-1px);border-color:var(--green)}.assessment-options label.selected{border-color:var(--green);background:color-mix(in srgb,var(--green) 11%,var(--panel));box-shadow:inset 4px 0 0 var(--green)}.assessment-options input{position:absolute;width:1px;height:1px;opacity:0}.assessment-options label>b{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--panel-2)}.assessment-options label.selected>b{background:var(--green);color:#fff}.assessment-options label>span>strong,.assessment-options label>span>small{display:block}.assessment-options label>span>strong{line-height:1.42}.assessment-options label>span>small{margin-top:4px;color:var(--muted);line-height:1.45}.assessment-options input:focus-visible+b{box-shadow:var(--focus)}.assessment-question-actions{display:flex;justify-content:space-between;gap:12px;margin-top:20px}.assessment-question-actions button:disabled{opacity:.46;cursor:not-allowed;transform:none}.assessment-answer-hint{min-height:24px;margin:9px 0 0;color:var(--muted);text-align:right;font-size:13px}.assessment-results{display:grid;grid-template-columns:250px minmax(0,1fr);gap:38px;align-items:center;padding-top:70px}.assessment-score-card{min-height:250px;display:grid;place-content:center;padding:24px;border:1px solid color-mix(in srgb,var(--yellow) 55%,var(--line));border-radius:50%;aspect-ratio:1;background:radial-gradient(circle,color-mix(in srgb,var(--yellow) 22%,var(--panel)),var(--panel) 68%);box-shadow:var(--shadow);text-align:center}.assessment-score-card>span{color:var(--muted);font-size:13px;font-weight:900}.assessment-score-card>strong{font-size:76px;line-height:.95}.assessment-score-card>small{color:var(--soft);font-weight:800}.assessment-score-card>p{margin:10px 0 0;font-size:13px;font-weight:900}.assessment-score-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.assessment-score-grid article{min-height:210px;padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.assessment-score-grid article.weak{border-color:color-mix(in srgb,var(--yellow) 72%,var(--line));box-shadow:inset 0 4px 0 var(--yellow)}.assessment-score-grid article>span{display:block;min-height:45px;color:var(--muted);font-size:13px;font-weight:900}.assessment-score-grid article>strong{display:block;font-size:34px}.assessment-score-grid article>div{height:6px;margin:8px 0 14px;overflow:hidden;border-radius:99px;background:var(--panel-2)}.assessment-score-grid article>div i{display:block;height:100%;background:var(--green)}.assessment-score-grid article.weak>div i{background:var(--yellow)}.assessment-score-grid article p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.assessment-email{display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,1fr);gap:32px;align-items:center;padding:30px;border:1px solid color-mix(in srgb,var(--blue) 42%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--blue) 7%,var(--panel))}.assessment-email h2{margin:8px 0 0;font-size:clamp(27px,3.3vw,42px)}.assessment-email>div>p{margin:10px 0 0;color:var(--muted)}.assessment-email form{display:grid;gap:8px}.assessment-email form>label{font-size:13px;font-weight:900}.assessment-email form>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.assessment-email input{min-width:0;min-height:48px;padding:0 14px;border:1px solid var(--line-strong);border-radius:8px;background:var(--panel);color:var(--ink)}.assessment-email button:disabled{opacity:.66}.assessment-study-list ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0;list-style:none;counter-reset:study-list}.assessment-study-list li{counter-increment:study-list;min-height:190px;padding:20px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.assessment-study-list li:before{content:"0" counter(study-list);display:block;margin-bottom:14px;color:var(--green);font-size:12px;font-weight:900}.assessment-study-list li b,.assessment-study-list li span{display:block}.assessment-study-list li span{margin-top:8px;color:var(--muted);line-height:1.55}.assessment-study-list li a{display:inline-flex;align-items:center;gap:5px;margin-top:14px;color:var(--green);font-size:13px;font-weight:900}.assessment-offer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;align-items:center;padding:30px;border:1px solid color-mix(in srgb,var(--yellow) 48%,var(--line));border-radius:12px;background:linear-gradient(120deg,color-mix(in srgb,var(--yellow) 13%,transparent),transparent 55%),var(--panel)}.assessment-offer h2{margin:8px 0 0}.assessment-offer p{max-width:740px;margin:10px 0 0;color:var(--muted)}.assessment-offer>div:last-child{display:grid;gap:8px}.assessment-review{padding-bottom:76px}.assessment-review details{border:1px solid var(--line);border-radius:10px;background:var(--panel)}.assessment-review summary{padding:18px;cursor:pointer;font-weight:900}.assessment-review details>p,.assessment-review details>div{margin:0;padding:0 18px 18px}.assessment-review article{padding:14px 0;border-top:1px solid var(--line)}.assessment-review article>strong,.assessment-review article>small{display:block}.assessment-review article>small,.assessment-review article>p{margin-top:5px;color:var(--muted)}.assessment-review article>p{margin-bottom:0}.assessment-sources{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:18px;color:var(--muted);font-size:13px}.assessment-sources a{display:inline-flex;align-items:center;gap:4px;color:var(--green);font-weight:800}.assessment-sources small{flex-basis:100%}@media(max-width:1000px){.assessment-score-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.assessment-intro,.assessment-email{grid-template-columns:1fr}.assessment-scope{width:min(100%,520px)}.assessment-study-list ol{grid-template-columns:1fr}}@media(max-width:680px){.assessment-intro,.assessment-question-shell,.assessment-results{padding-top:46px}.assessment-intro,.assessment-results,.assessment-offer{grid-template-columns:1fr}.assessment-score-card{width:210px;min-height:210px}.assessment-question-card{padding:20px 16px}.assessment-options label{grid-template-columns:34px minmax(0,1fr);padding:11px}.assessment-question-actions{display:grid;grid-template-columns:1fr 1fr}.assessment-email{width:min(100% - 28px,1100px);padding:22px}.assessment-email form>div{grid-template-columns:1fr}.assessment-offer>div:last-child{width:100%}}@media(max-width:480px){.assessment-score-grid{grid-template-columns:1fr}.assessment-question-actions .btn{min-width:0;padding-inline:10px}}.nav-links .guides-nav-item{border-color:color-mix(in srgb,var(--blue) 36%,transparent);background:color-mix(in srgb,var(--blue) 10%,transparent)}.guide-page{min-height:72vh}.guide-loading{padding-top:86px}.guide-loading h1{margin:8px 0 0;text-align:left}.guide-hero{padding-top:58px}.guide-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:30px;color:var(--soft);font-size:13px}.guide-breadcrumb a{color:var(--green);font-weight:800}.guide-hero-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:42px;align-items:center}.guide-hero h1{max-width:880px;margin:8px 0 0;font-size:clamp(38px,5.4vw,68px);line-height:1.04;text-align:left}.guide-title-zh{margin:14px 0 0;color:var(--copper);font-size:clamp(20px,2.6vw,30px);font-weight:900;line-height:1.28}.guide-intro{max-width:780px;margin:22px 0 0;color:var(--muted);font-size:18px;line-height:1.75}.guide-intro>span,.guide-intro>small{display:block}.guide-intro>small{margin-top:8px;color:var(--soft);font-size:14px}.guide-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.guide-position-card{padding:24px;border:1px solid color-mix(in srgb,var(--blue) 38%,var(--line));border-radius:12px;background:linear-gradient(145deg,color-mix(in srgb,var(--blue) 12%,transparent),transparent 65%),var(--panel);box-shadow:var(--shadow)}.guide-position-card>span,.guide-position-card>strong,.guide-position-card>p{display:block}.guide-position-card>span{color:var(--blue);font-size:12px;font-weight:900;text-transform:uppercase}.guide-position-card>strong{margin-top:8px;font-size:44px;line-height:1}.guide-position-card>p{margin:14px 0 0;color:var(--muted);font-size:13px;line-height:1.55}.guide-position-card>div{height:7px;margin-top:18px;overflow:hidden;border-radius:99px;background:var(--panel-2)}.guide-position-card>div i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--green))}.guide-section-kicker>span{color:var(--copper);font-size:12px;font-weight:900;letter-spacing:.04em;text-transform:uppercase}.guide-section-kicker h2{margin:8px 0 0}.guide-section-kicker>p{max-width:760px;margin:12px auto 0;color:var(--muted)}.guide-section-kicker.centered{text-align:center}.guide-outcomes{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:30px;align-items:center;padding:26px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel) 94%,transparent)}.guide-outcomes>div:last-child{display:grid;gap:9px}.guide-outcomes article{display:grid;grid-template-columns:24px minmax(0,1fr);gap:8px;align-items:start;padding:11px 13px;border-left:3px solid color-mix(in srgb,var(--green) 50%,var(--line));background:color-mix(in srgb,var(--green) 5%,transparent)}.guide-outcomes article svg{margin-top:3px;color:var(--green)}.guide-outcomes article>span,.guide-outcomes article>small{grid-column:2;display:block}.guide-outcomes article>span{font-weight:800}.guide-outcomes article>small{color:var(--muted)}.guide-entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:30px}.guide-entry{display:flex;flex-direction:column;min-height:390px;padding:20px;border:1px solid var(--line);border-radius:11px;background:color-mix(in srgb,var(--panel) 96%,transparent);box-shadow:var(--shadow-soft)}.guide-entry>header{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:start}.guide-entry>header>span{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;background:var(--ink);color:var(--panel);font-size:12px;font-weight:900}.guide-entry h3{margin:0;font-size:21px;line-height:1.3}.guide-entry header small{display:block;margin-top:4px;color:var(--copper);font-weight:800}.guide-definition{margin:16px 0 0;color:var(--muted)}.guide-definition span,.guide-definition small,.guide-entry blockquote span,.guide-entry blockquote small,.guide-note span,.guide-note small{display:block}.guide-definition small,.guide-entry blockquote small,.guide-note small{margin-top:5px;color:var(--soft);font-size:12px}.guide-entry blockquote{margin:16px 0 0;padding:14px;border:0;border-left:3px solid var(--yellow);background:color-mix(in srgb,var(--yellow) 8%,var(--panel))}.guide-entry blockquote strong{display:block;margin-bottom:6px;color:var(--copper);font-size:11px;text-transform:uppercase}.guide-entry blockquote span{white-space:pre-line;font-weight:700;line-height:1.55}.guide-note{display:grid;grid-template-columns:20px minmax(0,1fr);gap:8px;align-items:start;margin-top:auto;padding-top:16px}.guide-note svg{margin-top:3px;color:var(--red)}.guide-note p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.guide-practice{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:30px;padding:30px;border:1px solid color-mix(in srgb,var(--blue) 40%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--blue) 7%,var(--panel))}.guide-practice h2>span,.guide-practice h2>small,.guide-practice-copy>p>span,.guide-practice-copy>p>small,.guide-practice-task>p>span,.guide-practice-task>p>small,.guide-practice blockquote span,.guide-practice blockquote small{display:block}.guide-practice h2{margin:8px 0 0}.guide-practice h2 small{margin-top:5px;color:var(--copper);font-size:15px}.guide-practice-copy>p,.guide-practice-task>p{margin:12px 0 0;color:var(--muted)}.guide-practice-copy>p small,.guide-practice-task>p small,.guide-practice blockquote small{margin-top:6px;color:var(--soft);font-size:12px}.guide-practice-task{padding:20px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.guide-practice-task>strong{color:var(--blue);font-size:12px;text-transform:uppercase}.guide-practice details{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.guide-practice summary{cursor:pointer;font-weight:900}.guide-practice blockquote{margin:12px 0 0;padding:14px;border:0;border-left:3px solid var(--green);background:color-mix(in srgb,var(--green) 7%,var(--panel))}.guide-faq>div:last-child{max-width:900px;margin:28px auto 0;border-top:1px solid var(--line)}.guide-faq details{border-bottom:1px solid var(--line)}.guide-faq summary{padding:18px 2px;cursor:pointer;font-size:17px;font-weight:900}.guide-faq summary span,.guide-faq summary small,.guide-faq details>p span,.guide-faq details>p small{display:block}.guide-faq summary small{margin-top:4px;color:var(--copper);font-size:13px}.guide-faq details>p{margin:0;padding:0 2px 18px;color:var(--muted)}.guide-faq details>p small{margin-top:6px;color:var(--soft)}.guide-sources{padding:26px;border:1px solid color-mix(in srgb,var(--green) 35%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--green) 6%,var(--panel))}.guide-sources>div:first-child{display:grid;grid-template-columns:30px minmax(0,1fr);gap:10px}.guide-sources>div:first-child svg{margin-top:4px;color:var(--green)}.guide-sources h2{margin:0}.guide-sources p{max-width:900px;margin:8px 0 0;color:var(--muted)}.guide-source-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:18px}.guide-source-links a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel);text-decoration:none}.guide-source-links a span{font-weight:800}.guide-source-links a small{color:var(--soft)}.guide-source-links a svg{grid-column:2;grid-row:1 / span 2;align-self:center;color:var(--green)}.guide-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px}.guide-related-grid>a{min-height:170px;display:flex;flex-direction:column;padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--panel);text-decoration:none;box-shadow:var(--shadow-soft);transition:transform .18s ease,border-color .18s ease}.guide-related-grid>a:hover{transform:translateY(-2px);border-color:var(--green)}.guide-related-grid>a>span{color:var(--green);font-size:12px;font-weight:900}.guide-related-grid>a>strong{margin-top:10px;line-height:1.42}.guide-related-grid>a>small{margin-top:5px;color:var(--soft)}.guide-related-grid>a>em{display:flex;align-items:center;gap:5px;margin-top:auto;padding-top:14px;color:var(--green);font-size:13px;font-style:normal;font-weight:900}.guide-conversion{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;align-items:center;padding:30px;border:1px solid color-mix(in srgb,var(--yellow) 54%,var(--line));border-radius:12px;background:linear-gradient(120deg,color-mix(in srgb,var(--yellow) 13%,transparent),transparent 60%),var(--panel)}.guide-conversion h2{margin:8px 0 0}.guide-conversion p{max-width:760px;margin:10px 0 0;color:var(--muted)}.guide-conversion>div:last-child{display:grid;gap:8px}.guide-all-pages{padding-bottom:80px}.guide-all-pages>div{display:flex;align-items:center;gap:8px}.guide-all-pages>div svg{color:var(--green)}.guide-all-pages ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin:18px 0 0;padding:0;list-style:none}.guide-all-pages li a{display:grid;grid-template-columns:34px minmax(0,1fr);gap:8px;align-items:center;min-height:54px;padding:9px 12px;border:1px solid var(--line);border-radius:8px;text-decoration:none}.guide-all-pages li.active a{border-color:var(--green);background:color-mix(in srgb,var(--green) 8%,var(--panel))}.guide-all-pages li a span{color:var(--soft);font-size:11px;font-weight:900}.guide-all-pages li a strong{font-size:13px;line-height:1.35}.priority-guides-home{padding-top:50px}.priority-guides-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:28px}.priority-guides-grid>a{display:grid;grid-template-columns:42px minmax(0,1fr) 22px;gap:12px;align-items:center;min-height:105px;padding:16px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 95%,transparent);text-decoration:none;transition:transform .18s ease,border-color .18s ease}.priority-guides-grid>a:hover{transform:translateY(-2px);border-color:var(--blue)}.priority-guides-grid>a>span{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;background:var(--ink);color:var(--panel);font-size:11px;font-weight:900}.priority-guides-grid>a strong,.priority-guides-grid>a small,.priority-guides-grid>a em{display:block}.priority-guides-grid>a strong{line-height:1.35}.priority-guides-grid>a small{margin-top:4px;color:var(--copper)}.priority-guides-grid>a em{margin-top:5px;color:var(--soft);font-size:11px;font-style:normal}.priority-guides-grid>a>svg{color:var(--green)}@media(max-width:900px){.guide-hero-layout,.guide-outcomes,.guide-practice,.guide-conversion{grid-template-columns:1fr}.guide-position-card{width:min(100%,430px)}.guide-source-links,.guide-related-grid{grid-template-columns:1fr}.guide-conversion>div:last-child{width:min(100%,420px)}}@media(max-width:680px){.guide-hero{padding-top:38px}.guide-entry-grid,.guide-all-pages ol,.priority-guides-grid{grid-template-columns:1fr}.guide-entry{min-height:0}.guide-outcomes,.guide-practice,.guide-sources,.guide-conversion{width:min(100% - 28px,1100px);padding:21px}.guide-hero-actions{display:grid}.guide-conversion>div:last-child{width:100%}}@media(max-width:480px){.hero-viz{margin-top:24px;padding:10px}.viz-toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.chip{min-width:0;padding:0 6px;font-size:12px;white-space:nowrap}.circuit-board{gap:16px;padding:10px;overflow:visible}.circuit-board:before{display:none}.circuit-node,.circuit-path{border-color:color-mix(in srgb,var(--ink) 18%,var(--line));background:color-mix(in srgb,var(--panel) 88%,white)}.circuit-node{grid-template-columns:28px 52px minmax(0,1fr);gap:8px;min-height:76px;padding:9px 10px}.panel-node:after,.circuit-path:after{content:"";position:absolute;left:50%;bottom:-12px;width:10px;height:10px;border-right:2px solid var(--green);border-bottom:2px solid var(--green);transform:translate(-50%) rotate(45deg)}.node-index{width:24px;height:24px;font-size:12px}.path-index{top:8px;left:10px;transform:none}.panel-visual,.lamp-visual{width:48px;height:48px;min-height:48px}.panel-visual{padding:8px}.panel-visual span{height:6px}.lamp-visual svg{width:24px;height:24px}.circuit-node strong{font-size:16px;line-height:1.25}.circuit-node small{font-size:12px;line-height:1.3}.circuit-path{gap:9px;padding:42px 10px 12px}.path-line{display:grid;grid-template-columns:74px minmax(0,1fr);min-height:26px;gap:10px;align-items:center}.path-line i{width:74px;height:9px}.path-line span{width:auto;font-size:12px;line-height:1.25}.switch-visual{justify-self:stretch;grid-template-columns:74px minmax(0,1fr);min-height:36px;padding:6px 0;border:0;background:transparent}.switch-visual b{justify-self:start}.fault-callout{justify-self:stretch;max-width:100%;min-height:28px;margin-top:2px;padding:6px 9px}.circuit-steps{grid-template-columns:1fr;gap:7px}.circuit-steps span{min-height:32px;justify-content:flex-start;padding:0 12px;text-align:left}.viz-foot{gap:7px}.viz-foot p{white-space:normal}.status-pill{width:fit-content;justify-content:center}}@media(max-width:400px){.hero-title{max-width:320px;font-size:34px}.hero-title-space{display:none}.hero-title-break{display:block}}h1{font-size:clamp(34px,3.625rem,58px)}h2{font-size:clamp(25px,2.125rem,34px)}.home-main{overflow:clip}.hero{padding:62px 0 36px;text-align:left}.hero-layout{display:grid;grid-template-columns:minmax(0,.92fr) minmax(460px,1.08fr);gap:34px;align-items:center}.hero-copy{min-width:0}.hero-copy .eyebrow{margin-bottom:14px}.hero-title{max-width:640px;margin:0;font-size:clamp(42px,4rem,64px);line-height:1.05}.hero-purpose{max-width:670px;margin:18px 0 0;padding:14px 0 14px 18px;border-left:4px solid var(--green);color:var(--muted);font-size:18px;line-height:1.65}.hero-purpose strong{color:var(--ink)}.hero-copy .subhead{max-width:680px;margin:18px 0 0;font-size:17px}.hero-copy .hero-actions{justify-content:flex-start;margin-top:26px}.hero-outcomes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:18px}.hero-outcomes span{min-height:54px;display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,var(--panel) 86%,transparent);color:var(--muted);font-size:13px;font-weight:800}.hero-outcomes svg{flex:0 0 auto;color:var(--green)}.hero-layout .hero-viz{max-width:none;width:100%;margin:0}.home-hubs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:26px}.home-hub{display:grid;grid-template-columns:42px minmax(0,1fr);gap:4px 14px;align-content:start;min-height:206px;padding:18px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,var(--panel) 94%,transparent);color:inherit;text-decoration:none;box-shadow:var(--shadow-soft);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.home-hub:hover{border-color:color-mix(in srgb,var(--green) 42%,var(--line));box-shadow:var(--shadow);transform:translateY(-2px)}.hub-icon{grid-row:1 / span 4;width:42px;height:42px;display:inline-grid;place-items:center;border-radius:8px;background:color-mix(in srgb,var(--green) 13%,var(--panel));color:var(--green)}.hub-icon svg{width:23px;height:23px}.hub-label{color:var(--soft);font-size:12px;font-weight:900}.home-hub strong{display:block;margin-top:1px;font-size:19px;line-height:1.32}.home-hub small{display:block;margin-top:7px;color:var(--muted);font-size:14px;line-height:1.55}.home-hub em{display:inline-flex;align-items:center;gap:7px;margin-top:12px;color:var(--green);font-style:normal;font-size:13px;font-weight:900}.hero-stats.stats{max-width:1100px;grid-template-columns:repeat(4,1fr);margin-top:18px;text-align:left}.hero-stats .stat{padding:15px 18px}.hero-stats .stat strong{font-size:30px}.hero .disclaimer{max-width:1100px;margin-top:16px;text-align:left}.roadmap-primer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;margin-bottom:18px;padding:16px 18px;border:1px solid color-mix(in srgb,var(--green) 30%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--green) 9%,var(--panel))}.roadmap-primer div{min-width:0;display:grid;gap:2px}.roadmap-primer strong{color:var(--ink)}.roadmap-primer span{color:var(--muted);font-size:14px}.roadmap-primer a{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:154px;min-height:40px;justify-self:end;border:1px solid var(--line-strong);border-radius:999px;padding:0 14px;background:var(--ink);color:var(--bg);text-decoration:none;font-size:13px;font-weight:900}.roadmap-primer a span{color:inherit;font-size:inherit}.roadmap-cta-short,.roadmap-cta-go{display:none}.tool-market-note{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px;align-items:start;margin:-10px 0 18px;padding:13px 15px;border:1px solid color-mix(in srgb,var(--yellow) 34%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--yellow) 7%,var(--panel))}.tool-market-note svg{margin-top:2px;color:var(--yellow)}.tool-market-note p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.tool-overview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.tool-overview-card{display:flex;flex-direction:column;min-height:146px;padding:16px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,var(--panel) 94%,transparent);box-shadow:var(--shadow-soft)}.tool-overview-core{display:grid;grid-template-columns:92px minmax(0,1fr);gap:14px}.tool-overview-card img{width:92px;height:92px;object-fit:contain;align-self:start;border:1px solid var(--line);border-radius:8px;background:#f8faf8}.tool-overview-card h3{margin:0 0 5px;font-size:17px;line-height:1.3}.tool-overview-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.tool-overview-card span{display:inline-flex;margin-top:10px;color:var(--blue);font-size:12px;font-weight:900}.tool-purchase-panel{display:flex;flex:1;flex-direction:column;margin-top:15px;padding-top:14px;border-top:1px solid var(--line)}.tool-purchase-panel dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0}.tool-purchase-panel dl>div{min-width:0;padding:9px 10px;border-radius:7px;background:color-mix(in srgb,var(--green) 8%,var(--panel-2))}.tool-purchase-panel dt{color:var(--soft);font-size:10px;font-weight:900;letter-spacing:.04em;text-transform:uppercase}.tool-purchase-panel dd{margin:4px 0 0;color:var(--ink);font-size:12px;font-weight:900;line-height:1.4}.tool-purchase-panel>p{margin:12px 0 14px;color:var(--muted);font-size:12px;line-height:1.55}.tool-purchase-panel>p strong{color:var(--ink)}.tool-buy-links a,.tool-market-source a{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-size:12px;font-weight:900}.tool-buy-links{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:auto}.tool-market-source{margin:14px 0 0;color:var(--soft);font-size:12px;text-align:center}@media(max-width:1080px){.hero-layout{grid-template-columns:1fr}.hero-layout .hero-viz{max-width:860px}}@media(max-width:900px){.home-hubs,.tool-overview-grid{grid-template-columns:1fr 1fr}.hero-outcomes{grid-template-columns:1fr}.hero-copy .hero-actions{display:grid;grid-template-columns:1fr 1fr;justify-content:stretch}.hero-copy .hero-actions .btn:first-child{grid-column:1 / -1}}@media(max-width:680px){.hero{padding-top:42px}.hero-title{max-width:100%;font-size:40px}.hero-purpose{padding-left:14px;font-size:16px}.hero-copy .subhead{font-size:15px}.home-hubs,.tool-overview-grid{grid-template-columns:1fr}.home-hub{min-height:0}.hero-stats.stats{grid-template-columns:repeat(2,1fr)}.hero-stats .stat:nth-child(2){border-right:0}.hero-stats .stat:nth-child(1),.hero-stats .stat:nth-child(2){border-bottom:1px solid var(--line)}.roadmap-primer{grid-template-columns:minmax(0,1fr) auto;gap:12px}.roadmap-primer a{width:auto;min-width:104px;padding:0 12px}.roadmap-cta-full{display:none}.roadmap-cta-short{display:inline}}@media(max-width:480px){.hero-copy .hero-actions{grid-template-columns:1fr}.hero-copy .hero-actions .btn:first-child{grid-column:auto}.hero-title{font-size:36px}.home-hub,.tool-overview-core{grid-template-columns:1fr}.hub-icon{grid-row:auto}.tool-overview-card img{width:100%;height:132px}.roadmap-primer a{min-width:64px;padding:0 10px}.roadmap-cta-short{display:none}.roadmap-cta-go{display:inline}.tool-purchase-panel dl{grid-template-columns:1fr}}@media(max-width:360px){.roadmap-primer{gap:8px;padding:14px}.roadmap-primer a{min-width:42px;width:42px;padding:0}.roadmap-cta-go{display:none}}.home-checks-page{overflow:clip}.home-checks-section{padding-top:64px}.home-checks-layout{display:grid;grid-template-columns:minmax(230px,.34fr) minmax(0,.66fr);gap:18px;align-items:start}.home-check-scenario-nav,.home-check-detail{min-width:0;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 94%,transparent);box-shadow:var(--shadow-soft)}.home-check-scenario-nav{padding:18px}.home-check-scenario-nav-head{padding:2px 2px 14px}.home-check-scenario-nav-head h3,.home-check-scenario-nav-head p{margin:0}.home-check-scenario-nav-head p{margin-top:6px;color:var(--muted);font-size:13px;line-height:1.5}.home-check-scenario-list{display:grid;gap:7px}.home-check-scenario{display:grid;grid-template-columns:30px minmax(0,1fr);gap:2px 10px;align-items:center;min-height:62px;padding:10px 11px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--ink);text-align:left;cursor:pointer;transition:background .18s ease,border-color .18s ease,transform .18s ease}.home-check-scenario:hover,.home-check-scenario.is-selected{border-color:color-mix(in srgb,var(--green) 45%,var(--line));background:color-mix(in srgb,var(--green) 10%,var(--panel))}.home-check-scenario.is-selected{transform:translate(3px)}.home-check-scenario>span{grid-row:1 / span 2;width:30px;height:30px;display:inline-grid;place-items:center;border-radius:50%;background:color-mix(in srgb,var(--ink) 8%,transparent);color:var(--soft);font-size:11px;font-variant-numeric:tabular-nums;font-weight:900}.home-check-scenario.is-selected>span{background:var(--green);color:var(--panel)}.home-check-scenario strong,.home-check-scenario small{min-width:0;overflow-wrap:anywhere}.home-check-scenario strong{font-size:15px;line-height:1.3}.home-check-scenario small{color:var(--muted);font-size:12px}.home-check-detail{padding:22px}.home-check-detail-head>span{color:var(--green);font-size:12px;font-weight:900}.home-check-detail-head h3{margin:5px 0 0;font-size:28px;line-height:1.2}.home-check-detail-head p{max-width:720px;margin:8px 0 0;color:var(--muted);line-height:1.65}.home-diagram{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:9px;background:linear-gradient(90deg,color-mix(in srgb,var(--ink) 6%,transparent) 1px,transparent 1px) 0 0 / 30px 30px,linear-gradient(0deg,color-mix(in srgb,var(--ink) 6%,transparent) 1px,transparent 1px) 0 0 / 30px 30px,color-mix(in srgb,var(--panel-2) 70%,var(--panel))}.home-diagram-caption,.home-diagram-footer{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px;font-weight:800}.home-diagram-caption strong{color:var(--green);font-variant-numeric:tabular-nums}.home-diagram-route{display:flex;align-items:stretch;margin:24px 0 20px}.home-diagram-segment{min-width:0;flex:1;display:grid;grid-template-columns:minmax(0,1fr) 42px;gap:8px;align-items:center}.home-diagram-segment:last-child{grid-template-columns:1fr}.home-diagram-node{min-height:92px;display:grid;place-items:center;align-content:center;gap:8px;padding:12px 8px;border:1px solid var(--line-strong);border-radius:9px;background:color-mix(in srgb,var(--panel) 91%,white);color:var(--ink);text-align:center;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.home-diagram-node span{width:28px;height:28px;display:inline-grid;place-items:center;border-radius:50%;background:color-mix(in srgb,var(--blue) 20%,var(--panel));color:var(--blue);font-size:12px;font-weight:900}.home-diagram-node strong{max-width:120px;font-size:13px;line-height:1.3;overflow-wrap:anywhere}.home-diagram-node.node-1 span{background:color-mix(in srgb,var(--yellow) 35%,var(--panel));color:#6d5410}.home-diagram-node.node-2 span{background:color-mix(in srgb,var(--red) 20%,var(--panel));color:var(--red)}.home-diagram-segment i{height:7px;border-radius:999px;background:color-mix(in srgb,var(--ink) 18%,transparent);position:relative}.home-diagram-segment i:after{content:"";position:absolute;right:-2px;top:50%;width:9px;height:9px;border-top:2px solid currentColor;border-right:2px solid currentColor;color:color-mix(in srgb,var(--ink) 35%,transparent);transform:translateY(-50%) rotate(45deg)}.home-diagram-segment i.is-passed{background:var(--green);color:var(--green)}.home-diagram-step-0 .node-0,.home-diagram-step-1 .node-1,.home-diagram-step-2 .node-2{border-color:var(--green);box-shadow:0 0 0 3px color-mix(in srgb,var(--green) 14%,transparent);transform:translateY(-2px)}.home-diagram-footer{justify-content:flex-start;padding-top:12px;border-top:1px solid var(--line);color:var(--ink)}.home-check-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.home-check-step{display:flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--muted);font-size:13px;font-weight:900;cursor:pointer}.home-check-step:hover,.home-check-step.is-selected{border-color:var(--green);background:color-mix(in srgb,var(--green) 10%,var(--panel));color:var(--ink)}.home-check-step b{width:22px;height:22px;display:inline-grid;place-items:center;border-radius:50%;background:color-mix(in srgb,var(--ink) 8%,transparent);font-size:11px}.home-check-step.is-selected b{background:var(--green);color:var(--panel)}.home-check-step-copy{display:grid;gap:5px;margin-top:14px;padding:16px 18px;border-left:3px solid var(--green);background:color-mix(in srgb,var(--green) 7%,transparent)}.home-check-step-copy>span{color:var(--green);font-size:12px;font-weight:900}.home-check-step-copy strong{font-size:16px;line-height:1.5}.home-check-step-copy p{margin:0;color:var(--muted);line-height:1.55}.home-check-stop{display:grid;grid-template-columns:24px 1fr;gap:10px;margin-top:14px;padding:14px 16px;border:1px solid color-mix(in srgb,var(--red) 32%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--red) 8%,transparent);color:var(--red)}.home-check-stop svg{margin-top:2px}.home-check-stop strong,.home-check-stop p{margin:0}.home-check-stop p{margin-top:4px;color:var(--muted);line-height:1.55}.home-checks-bridge{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding:16px 18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.home-checks-bridge div{display:grid;gap:3px}.home-checks-bridge span{color:var(--muted);font-size:14px}.home-checks-bridge a,.home-knowledge-card a{display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;color:var(--green);font-size:13px;font-weight:900;text-decoration:none}.home-checks-bridge a:hover,.home-knowledge-card a:hover{color:var(--ink)}.home-knowledge-section{padding-top:64px}.home-knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.home-knowledge-card{display:grid;gap:10px;min-width:0;min-height:248px;padding:18px;border:1px solid var(--line);border-radius:9px;background:color-mix(in srgb,var(--panel) 94%,transparent);box-shadow:var(--shadow-soft)}.home-knowledge-index{color:var(--soft);font-size:12px;font-weight:900;font-variant-numeric:tabular-nums}.home-knowledge-card h3,.home-knowledge-card p{margin:0}.home-knowledge-card h3{font-size:18px;line-height:1.35}.home-knowledge-card p{color:var(--muted);font-size:14px;line-height:1.58}.home-knowledge-cue{display:flex;gap:7px;align-items:flex-start;margin-top:auto;padding-top:10px;border-top:1px solid var(--line);color:var(--green);font-size:13px;line-height:1.5}.home-knowledge-cue svg{flex:0 0 auto;margin-top:2px}.home-knowledge-card a{padding-top:2px}.home-hubs{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:1100px){.home-hubs,.home-knowledge-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.home-checks-layout{grid-template-columns:1fr}.home-check-scenario-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.home-checks-section,.home-knowledge-section{padding-top:44px}.home-check-scenario-list,.home-knowledge-grid{grid-template-columns:1fr}.home-check-detail{padding:16px}.home-check-detail-head h3{font-size:24px}.home-diagram{padding:14px}.home-diagram-route{margin:18px 0}.home-diagram-segment{grid-template-columns:minmax(0,1fr) 20px;gap:5px}.home-diagram-node{min-height:84px;padding:8px 5px}.home-diagram-node strong{font-size:12px}.home-diagram-segment i{height:5px}.home-checks-bridge{display:grid}.home-checks-bridge a{width:fit-content}}@media(max-width:420px){.home-check-steps{grid-template-columns:1fr}.home-check-step{justify-content:flex-start}.home-diagram-caption{align-items:flex-start;flex-direction:column;gap:4px}}.nav-links .product-nav-item{border-color:color-mix(in srgb,var(--yellow) 48%,var(--line));background:color-mix(in srgb,var(--yellow) 18%,var(--panel))}.section-header h1{max-width:860px;margin:0 auto;font-size:clamp(36px,4.6vw,58px);line-height:1.08}.product-cta-section{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:30px;align-items:center;margin-top:42px;padding:28px;border:1px solid color-mix(in srgb,var(--yellow) 50%,var(--line));border-radius:12px;background:linear-gradient(135deg,color-mix(in srgb,var(--yellow) 17%,transparent),transparent 55%),color-mix(in srgb,var(--panel) 95%,transparent);box-shadow:var(--shadow)}.product-cta-copy h2,.product-cta-copy p{margin:0}.product-cta-copy h2{max-width:760px;margin-top:12px;font-size:clamp(28px,3vw,42px);line-height:1.08}.product-cta-copy p{max-width:760px;margin-top:14px;color:var(--muted);line-height:1.65}.product-cta-points{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:18px}.product-cta-points span{display:inline-flex;align-items:center;gap:7px;color:var(--ink);font-size:13px;font-weight:850}.product-cta-points svg{color:var(--green)}.product-cta-actions{display:grid;justify-items:stretch;padding:20px;border:1px solid var(--line);border-radius:10px;background:var(--panel);text-align:center}.product-cta-actions>strong{font-size:44px;line-height:1}.product-cta-actions>small{margin:7px 0 16px;color:var(--muted)}.product-cta-actions .method-link{margin-top:12px;color:var(--green);font-size:13px;font-weight:900}.methodology-hero,.product-hero{padding-top:72px}.methodology-hero h1,.product-hero h1{max-width:920px;margin:14px 0 0;font-size:clamp(40px,5.5vw,68px);line-height:1.04}.methodology-hero>.section-lead,.product-hero>div>p{max-width:800px;margin:18px 0 0;color:var(--muted);font-size:18px;line-height:1.7}.methodology-callout{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;max-width:920px;margin-top:24px;padding:16px 18px;border:1px solid color-mix(in srgb,var(--green) 36%,var(--line));border-radius:9px;background:color-mix(in srgb,var(--green) 8%,var(--panel))}.methodology-callout svg{color:var(--green)}.methodology-callout p{margin:0;color:var(--muted);line-height:1.65}.methodology-grid,.product-included-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.methodology-grid article,.product-included-grid article{min-height:190px;padding:20px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 94%,transparent);box-shadow:var(--shadow-soft)}.methodology-grid article>span,.product-included-grid article>span{color:var(--green);font-size:12px;font-weight:900}.methodology-grid h3,.product-included-grid h3{margin:12px 0 0;font-size:21px}.methodology-grid p,.product-included-grid p{margin:9px 0 0;color:var(--muted);line-height:1.65}.methodology-evidence ol{display:grid;gap:10px;max-width:900px;margin:0 auto;padding:0;list-style:none;counter-reset:evidence}.methodology-evidence li{counter-increment:evidence;display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:center;min-height:62px;padding:12px 16px;border:1px solid var(--line);border-radius:9px;color:var(--muted)}.methodology-evidence li:before{content:counter(evidence);width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:var(--panel);font-weight:900}.methodology-actions{display:flex;justify-content:center;gap:10px;margin-top:24px}.product-hero{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:center}.product-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.product-price-card{padding:26px;border:1px solid color-mix(in srgb,var(--yellow) 55%,var(--line));border-radius:12px;background:linear-gradient(145deg,color-mix(in srgb,var(--yellow) 20%,transparent),transparent 62%),var(--panel);box-shadow:var(--shadow)}.product-price-card span,.product-price-card strong,.product-price-card p,.product-price-card small{display:block}.product-price-card span{color:var(--soft);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.product-price-card strong{margin-top:12px;font-size:64px;line-height:1}.product-price-card p{margin:16px 0 0;line-height:1.55}.product-price-card small{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);line-height:1.5}.product-price-card small a{color:var(--ink);font-weight:800}.product-terms{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:start;padding:28px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.product-terms h2{margin:10px 0 16px}.product-terms p{max-width:75ch;line-height:1.65}.product-terms .btn{overflow-wrap:anywhere}.product-usage ol{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:0;list-style:none}.product-usage li{min-height:150px;padding:18px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--panel) 94%,transparent)}.product-usage li b{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:var(--panel)}.product-usage li span{display:block;margin-top:16px;color:var(--ink);line-height:1.55;font-weight:800}.waitlist-section{display:grid;grid-template-columns:minmax(0,.9fr) minmax(360px,1.1fr);gap:32px;align-items:center;margin-top:56px;padding:30px;border:1px solid color-mix(in srgb,var(--blue) 36%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--blue) 7%,var(--panel))}.waitlist-section h2,.waitlist-section p{margin:0}.waitlist-section h2{margin-top:12px;font-size:clamp(26px,3vw,40px);line-height:1.12}.waitlist-section>div>p{margin-top:12px;color:var(--muted);line-height:1.6}.waitlist-section form{display:grid;gap:8px}.waitlist-section label{font-size:13px;font-weight:900}.waitlist-section form>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.waitlist-section input{min-width:0;min-height:46px;border:1px solid var(--line-strong);border-radius:8px;padding:0 14px;background:var(--panel);color:var(--ink);font:inherit}.waitlist-section input:focus{outline:3px solid color-mix(in srgb,var(--blue) 22%,transparent);border-color:var(--blue)}.waitlist-section button:disabled{opacity:.65;cursor:wait}.form-status{min-height:22px;color:var(--muted);font-size:13px}.form-privacy-link{margin:0;font-size:13px;line-height:1.5}.form-privacy-link a,.privacy-sections a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.privacy-page{padding:48px 0 16px}.privacy-page>.container{max-width:920px}.privacy-hero{padding:36px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.privacy-hero h1{margin:12px 0;font-size:clamp(32px,4vw,52px)}.privacy-hero p,.privacy-sections p{line-height:1.7}.privacy-hero small{color:var(--muted)}.privacy-sections{display:grid;gap:18px;margin-top:20px}.privacy-sections section{padding:30px 36px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.privacy-sections h2{margin:0 0 10px;font-size:clamp(22px,2.5vw,30px)}.privacy-sections p{margin:12px 0 0;color:var(--muted)}.privacy-sections ul{display:flex;flex-wrap:wrap;gap:10px 24px;margin:18px 0 0;padding-left:22px}.form-status.success{color:var(--green)}.form-status.error{color:var(--red)}.product-core-library{display:flex;justify-content:space-between;gap:28px;align-items:center;margin-top:22px;padding:24px;border:1px solid color-mix(in srgb,var(--green) 38%,var(--line));border-radius:12px;background:linear-gradient(135deg,color-mix(in srgb,var(--green) 12%,transparent),transparent 58%),var(--panel);box-shadow:var(--shadow-soft)}.product-core-library h3,.product-core-library p{margin:0}.product-core-library h3{margin-top:8px;font-size:22px;line-height:1.3}.product-core-library p{margin-top:7px;color:var(--muted)}.product-core-library .btn{flex:none}.training-library-page{padding-bottom:84px}.training-library-hero{padding-top:56px;padding-bottom:34px}.training-library-back{display:inline-flex;gap:7px;align-items:center;margin-bottom:22px;color:var(--muted);font-size:14px;font-weight:800;text-decoration:none}.training-library-back:hover{color:var(--green)}.training-library-hero-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:42px;align-items:end}.training-library-hero h1,.training-library-hero p{margin:0}.training-library-hero h1{max-width:850px;margin-top:14px;font-size:clamp(36px,5.8vw,72px);line-height:1.03;letter-spacing:-.045em}.training-library-hero p{max-width:760px;margin-top:18px;color:var(--muted);font-size:18px}.training-library-stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel);box-shadow:var(--shadow-soft)}.training-library-stats span{min-width:0;padding:16px 12px;color:var(--muted);font-size:12px;line-height:1.35;text-align:center}.training-library-stats span+span{border-left:1px solid var(--line)}.training-library-stats b{display:block;color:var(--ink);font-size:28px;line-height:1}.training-library-disclaimer{display:grid;grid-template-columns:34px 1fr;gap:15px;padding:20px 22px;border:1px solid color-mix(in srgb,var(--red) 38%,var(--line));border-left:5px solid var(--red);border-radius:10px;background:color-mix(in srgb,var(--red) 7%,var(--panel))}.training-library-disclaimer svg{margin-top:2px;color:var(--red)}.training-library-disclaimer h2,.training-library-disclaimer p{margin:0}.training-library-disclaimer h2{font-size:18px}.training-library-disclaimer p{margin-top:5px;color:var(--muted);font-size:14px}.training-library-content{padding-top:34px}.training-library-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-width:660px;padding:6px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel-2) 74%,transparent)}.training-library-tabs button{display:inline-flex;justify-content:center;gap:9px;align-items:center;min-height:48px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;font-weight:900}.training-library-tabs button.is-active{background:var(--panel);color:var(--green);box-shadow:0 5px 14px #18221f1a}.training-library-toolbar{display:grid;grid-template-columns:minmax(280px,1fr) minmax(180px,240px) auto;gap:12px;align-items:end;margin:20px 0}.training-library-toolbar>label:not(.training-library-search){display:grid;gap:5px}.training-library-toolbar>label>span{color:var(--muted);font-size:12px;font-weight:900}.training-library-search{position:relative;display:block}.training-library-search svg{position:absolute;top:50%;left:14px;z-index:1;color:var(--soft);transform:translateY(-50%);pointer-events:none}.training-library-search input,.training-library-toolbar select{width:100%;min-height:48px;border:1px solid var(--line-strong);border-radius:9px;background:var(--panel);color:var(--ink)}.training-library-search input{padding:0 16px 0 44px}.training-library-toolbar select{padding:0 38px 0 13px}.training-library-result-count{display:inline-flex;align-items:center;min-height:48px;color:var(--muted);font-size:13px;font-weight:900;white-space:nowrap}.term-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.term-card{position:relative;display:flex;min-width:0;flex-direction:column;padding:21px;border:1px solid var(--line);border-top:4px solid var(--green);border-radius:11px;background:color-mix(in srgb,var(--panel) 96%,transparent);box-shadow:var(--shadow-soft)}.term-card.risk-caution{border-top-color:var(--yellow)}.term-card.risk-stop{border-top-color:var(--red)}.term-card-meta{display:flex;gap:8px;align-items:center}.term-card-meta>span{color:var(--green);font-size:13px;font-weight:950;font-variant-numeric:tabular-nums}.term-card-meta small,.term-card-meta em{padding:3px 8px;border-radius:999px;background:color-mix(in srgb,var(--ink) 6%,transparent);color:var(--muted);font-size:11px;font-style:normal;font-weight:800}.term-card-meta em{margin-left:auto}.risk-stop .term-card-meta em{background:color-mix(in srgb,var(--red) 12%,transparent);color:var(--red)}.risk-caution .term-card-meta em{background:color-mix(in srgb,var(--yellow) 18%,transparent);color:color-mix(in srgb,var(--copper) 88%,var(--ink))}.term-card h2{margin:17px 0 0;font-size:24px;line-height:1.25;letter-spacing:-.018em}.term-card-explanation{margin:10px 0 0;color:var(--muted)}.term-card blockquote{display:grid;gap:5px;margin:16px 0 0;padding:13px 14px;border:0;border-left:4px solid var(--blue);border-radius:0 8px 8px 0;background:color-mix(in srgb,var(--blue) 8%,transparent)}.term-card blockquote strong{color:var(--blue);font-size:11px;letter-spacing:.06em;text-transform:uppercase}.term-card blockquote span{font-weight:750}.term-card details,.scenario-answer{margin-top:15px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,var(--panel-2) 38%,transparent)}.term-card summary,.scenario-answer summary{padding:11px 13px;cursor:pointer;color:var(--ink);font-size:13px;font-weight:900}.term-card-detail{display:grid;gap:12px;padding:0 13px 14px}.term-card-detail p{margin:0;color:var(--muted);font-size:13px}.term-card-detail p strong{display:block;margin-bottom:3px;color:var(--ink)}.term-card-detail .term-card-prompt{display:flex;gap:9px;align-items:flex-start;padding:10px 11px;border-radius:7px;background:color-mix(in srgb,var(--green) 9%,transparent)}.term-card-prompt svg{flex:none;margin-top:2px;color:var(--green)}.term-card-aliases{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:16px}.term-card-aliases span,.scenario-key-terms code{padding:4px 8px;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}.scenario-training-list{display:grid;gap:18px}.scenario-training-card{padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--panel);box-shadow:var(--shadow-soft)}.scenario-training-card>header{display:grid;grid-template-columns:52px 1fr;gap:15px;align-items:start}.scenario-training-card>header>span{width:52px;height:52px;display:grid;place-items:center;border-radius:12px;background:var(--ink);color:var(--panel);font-size:16px;font-weight:950}.scenario-training-card header small{display:block;color:var(--green);font-weight:900}.scenario-training-card h2{margin:3px 0 0;font-size:clamp(23px,3vw,34px);line-height:1.2}.scenario-phenomenon,.scenario-next-decision{display:grid;grid-template-columns:120px 1fr;gap:14px;margin-top:18px;padding:14px 16px;border-radius:8px;background:color-mix(in srgb,var(--blue) 8%,transparent)}.scenario-phenomenon strong,.scenario-next-decision strong{color:var(--blue)}.scenario-phenomenon p,.scenario-next-decision p{margin:0}.scenario-reasoning-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.training-list{min-width:0;padding:17px;border:1px solid var(--line);border-radius:9px;background:color-mix(in srgb,var(--panel-2) 38%,transparent)}.training-list h3{margin:0;font-size:15px}.training-list ol{display:grid;gap:8px;margin:11px 0 0;padding-left:21px;color:var(--muted);font-size:14px}.training-list li::marker{color:var(--green);font-weight:900}.scenario-next-decision{background:color-mix(in srgb,var(--green) 9%,transparent)}.scenario-next-decision strong{color:var(--green)}.scenario-safety-boundary{display:grid;grid-template-columns:26px 1fr;gap:10px;margin-top:14px;padding:15px 16px;border:1px solid color-mix(in srgb,var(--red) 36%,transparent);border-radius:8px;background:color-mix(in srgb,var(--red) 9%,transparent)}.scenario-safety-boundary svg,.scenario-safety-boundary strong{color:var(--red)}.scenario-safety-boundary svg{margin-top:3px}.scenario-safety-boundary p{margin:3px 0 0;color:var(--muted)}.scenario-answer>div{display:grid;gap:13px;padding:0 15px 16px}.scenario-answer p{margin:0;color:var(--muted)}.scenario-answer p>strong{display:block;margin-bottom:4px;color:var(--ink)}.scenario-key-terms{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-top:15px}.scenario-key-terms>span{margin-right:3px;color:var(--muted);font-size:12px;font-weight:900}.training-library-empty{display:grid;justify-items:center;gap:8px;padding:54px 20px;border:1px dashed var(--line-strong);border-radius:10px;color:var(--muted);text-align:center}.training-library-empty p{margin:0}.training-library-references{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:34px;align-items:start;margin-top:24px}.training-library-references h2{margin:12px 0 0;font-size:clamp(26px,3.5vw,42px);line-height:1.15}.training-library-references>div:last-child{display:grid;gap:9px}.training-library-references a{display:grid;gap:3px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--panel);text-decoration:none}.training-library-references a:hover{border-color:var(--green)}.training-library-references a span{color:var(--muted);font-size:13px}@media(max-width:900px){.product-cta-section,.product-hero,.waitlist-section{grid-template-columns:1fr}.product-cta-actions,.product-price-card{width:min(100%,420px)}.product-usage ol{grid-template-columns:repeat(2,minmax(0,1fr))}.training-library-hero-layout,.training-library-references{grid-template-columns:1fr}.training-library-stats{max-width:480px}.training-library-toolbar{grid-template-columns:minmax(0,1fr) minmax(180px,240px)}.training-library-result-count{grid-column:1 / -1;min-height:auto}}@media(max-width:680px){.privacy-page{padding-top:24px}.privacy-hero,.privacy-sections section{padding:24px}.methodology-hero,.product-hero{padding-top:46px}.methodology-grid,.product-included-grid,.product-usage ol{grid-template-columns:1fr}.methodology-actions,.product-hero-actions{display:grid}.waitlist-section form>div{grid-template-columns:1fr}.product-cta-section,.waitlist-section{width:min(100% - 28px,1100px);padding:22px}.product-core-library,.training-library-toolbar,.scenario-reasoning-grid,.term-card-grid{grid-template-columns:1fr}.product-core-library{display:grid;align-items:start}.training-library-tabs{grid-template-columns:1fr}.training-library-hero{padding-top:38px}.training-library-hero h1{font-size:clamp(34px,12vw,54px)}.training-library-disclaimer,.training-library-content,.training-library-references,.training-library-hero{width:min(100% - 28px,1100px)}.training-library-stats span{padding:13px 7px}.training-library-stats b{font-size:23px}.scenario-training-card{padding:18px}.scenario-training-card>header{grid-template-columns:44px 1fr;gap:11px}.scenario-training-card>header>span{width:44px;height:44px}.scenario-phenomenon,.scenario-next-decision{grid-template-columns:1fr;gap:4px}}.audience-section{position:relative;margin-top:62px;padding:38px;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:radial-gradient(circle at 8% 0%,color-mix(in srgb,var(--yellow) 16%,transparent),transparent 28%),radial-gradient(circle at 100% 100%,color-mix(in srgb,var(--green) 13%,transparent),transparent 34%),color-mix(in srgb,var(--panel) 96%,transparent);box-shadow:var(--shadow)}.audience-section .section-header{max-width:860px;margin-bottom:26px}.audience-section .section-header h2{max-width:820px}.audience-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.audience-card{display:flex;min-width:0;flex-direction:column;padding:20px;border:1px solid var(--line);border-top:4px solid var(--green);border-radius:11px;background:color-mix(in srgb,var(--panel) 97%,transparent);box-shadow:var(--shadow-soft);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.audience-card:hover{border-color:color-mix(in srgb,var(--green) 42%,var(--line));box-shadow:var(--shadow);transform:translateY(-2px)}.audience-card-working-electrician,.audience-card-trainer{border-top-color:var(--blue)}.audience-card-career-changer,.audience-card-safety-learner{border-top-color:var(--yellow)}.audience-card>header{display:flex;justify-content:space-between;gap:12px;align-items:center}.audience-card>header>div{min-width:0;flex:1;text-align:right}.audience-card-icon{width:42px;height:42px;display:inline-grid;flex:none;place-items:center;border-radius:11px;background:color-mix(in srgb,var(--green) 13%,var(--panel));color:var(--green)}.audience-card-working-electrician .audience-card-icon,.audience-card-trainer .audience-card-icon{background:color-mix(in srgb,var(--blue) 13%,var(--panel));color:var(--blue)}.audience-card-career-changer .audience-card-icon,.audience-card-safety-learner .audience-card-icon{background:color-mix(in srgb,var(--yellow) 18%,var(--panel));color:color-mix(in srgb,var(--copper) 84%,var(--ink))}.audience-card-icon svg{width:22px;height:22px}.audience-card header small,.audience-card header b{display:block}.audience-card header small{overflow:hidden;color:var(--green);font-size:11px;font-weight:900;line-height:1.35;text-overflow:ellipsis;text-transform:uppercase;letter-spacing:.045em}.audience-card-working-electrician header small,.audience-card-trainer header small{color:var(--blue)}.audience-card header b{margin-top:3px;color:var(--soft);font-size:12px;font-variant-numeric:tabular-nums}.audience-card h3{margin:16px 0 0;font-size:20px;line-height:1.28}.audience-card ul{display:grid;gap:8px;margin:13px 0 0;padding:0;color:var(--muted);font-size:13px;line-height:1.55;list-style:none}.audience-card li{display:grid;grid-template-columns:18px 1fr;gap:6px;align-items:start}.audience-card li svg{margin-top:3px;color:var(--green)}.audience-route{margin-top:15px;padding:12px;border-radius:8px;background:color-mix(in srgb,var(--ink) 5%,transparent)}.audience-route strong{display:block;color:var(--ink);font-size:11px;text-transform:uppercase;letter-spacing:.05em}.audience-route p{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.55}.audience-actions{display:flex;flex-wrap:wrap;gap:7px 12px;align-items:center;margin-top:auto;padding-top:15px}.audience-primary-link,.audience-secondary-link{font-size:13px;font-weight:900;text-decoration:none}.audience-primary-link{display:inline-flex;gap:6px;align-items:center;color:var(--green)}.audience-primary-link:hover,.audience-secondary-link:hover{text-decoration:underline;text-underline-offset:3px}.audience-secondary-link{color:var(--muted)}.audience-conversion{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-top:16px;padding:20px 22px;border:1px solid color-mix(in srgb,var(--green) 38%,var(--line));border-radius:11px;background:color-mix(in srgb,var(--green) 8%,var(--panel))}.audience-conversion>div{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start}.audience-conversion-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:#fff}.audience-conversion-icon svg{width:22px;height:22px}.audience-conversion strong{font-size:18px}.audience-conversion p{max-width:710px;margin:4px 0 0;color:var(--muted);font-size:14px}.audience-conversion .btn{flex:none}.audience-not-for{display:flex;gap:9px;align-items:flex-start;margin-top:12px;padding:11px 14px;border-radius:8px;background:color-mix(in srgb,var(--red) 7%,transparent);color:var(--muted);font-size:12px}.audience-not-for svg{flex:none;margin-top:1px;color:var(--red)}.audience-not-for p{margin:0}.audience-not-for strong{color:var(--red)}.seo-static-fallback{width:min(100% - 32px,860px);margin:0 auto;padding:40px 0 64px}.seo-static-fallback nav{display:flex;flex-wrap:wrap;gap:12px 20px;margin-bottom:42px;font-size:14px}.seo-static-fallback nav a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}.seo-static-fallback header,.seo-static-fallback section{padding:clamp(24px,5vw,48px);border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--paper) 92%,white)}.seo-static-fallback section{margin-top:18px}.seo-static-fallback h1{max-width:820px;margin:8px 0 16px;font-size:clamp(34px,6vw,58px);line-height:1.02}.seo-static-fallback h2{margin:0 0 16px;font-size:clamp(22px,3vw,32px)}.seo-static-fallback header>p:not(.seo-static-kicker),.seo-static-fallback li,.seo-static-note{color:var(--muted);font-size:17px;line-height:1.7}.seo-static-fallback ul{display:grid;gap:10px;padding-left:24px}.seo-static-kicker{margin:0;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.seo-static-note{margin:24px 0 0}@media(max-width:900px){.audience-section{padding:30px}.audience-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.audience-conversion{align-items:flex-start}}@media(max-width:680px){.audience-section{width:min(100% - 28px,1100px);margin-top:42px;padding:22px;border-radius:12px}.audience-grid{grid-template-columns:1fr}.audience-card{padding:18px}.audience-card:hover{transform:none}.audience-conversion{display:grid;padding:18px}.audience-conversion>div{grid-template-columns:38px 1fr}.audience-conversion-icon{width:38px;height:38px}.audience-conversion .btn{width:100%}}.checkout-result{margin:1.25rem 0;padding:1.25rem;border:1px solid #b9d9cf;border-radius:14px;background:#effaf5;color:#173d31}.checkout-result strong{display:block;margin-bottom:.5rem}.checkout-result p{margin:.25rem 0 1rem}@media(max-width:760px){.product-terms{grid-template-columns:1fr}}:root{color-scheme:light;--bg: #fafaf8;--panel: #fff;--panel-2: #f1f1ed;--ink: #262823;--muted: #73766e;--soft: #93978c;--line: #e3e5de;--line-strong: #ccd0c5;--green: #536344;--yellow: #ded5ae;--copper: #696f5d;--shadow: none;--shadow-soft: none;--focus: 0 0 0 3px #c6d3b8}body{background:var(--bg);font-family:Inter,Helvetica Neue,PingFang SC,Microsoft Yahei,sans-serif;line-height:1.65;font-weight:400;-webkit-font-smoothing:antialiased}button,a,input,summary{touch-action:manipulation}button{cursor:pointer}a{text-underline-offset:4px}.nav{box-shadow:none;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fafaf8ed}.nav-inner{max-width:1344px;width:calc(100% - 64px);height:72px;gap:13px}.brand{font-size:15px;font-weight:600;white-space:nowrap}.brand-mark{border-radius:50%;background:transparent;color:var(--ink);box-shadow:none;border:1px solid var(--line-strong);width:29px;height:29px}.nav-links{gap:0}.nav-links button{font-weight:400;font-size:12px;padding:7px 9px;background:none!important;border:none!important;color:var(--muted)}.lang-btn{font-size:12px;border-radius:4px;border:none;background:none}.nav-links .product-nav-item,.nav-links .assessment-nav-item{display:none}.nav-links .practice-nav-item{color:var(--muted)}.nav-links button:hover{color:var(--ink);transform:none}.nav-menu{border:0;background:none}.atlas-layout{display:grid;grid-template-columns:165px minmax(0,1fr);gap:62px;width:min(1240px,calc(100% - 80px));margin:0 auto}.atlas-rail{position:sticky;top:116px;height:calc(100vh - 148px);max-height:740px;padding-top:5px;align-self:start}.rail-title{display:flex;gap:10px;align-items:center;text-decoration:none;font-size:14px;font-weight:600}.atlas-rail>p{font-family:ui-monospace,monospace;font-size:9px;letter-spacing:1.6px;line-height:1.6;color:#91958b;margin:14px 0 46px}.atlas-rail nav{display:flex;flex-direction:column;gap:18px}.atlas-rail nav a{font-size:12px;color:var(--muted);text-decoration:none;display:flex;gap:12px}.atlas-rail nav a span{font-family:ui-monospace,monospace;font-size:10px;color:#aaafa4}.atlas-rail a:hover{color:var(--ink)}.rail-foot{position:absolute;bottom:25px;font-size:10px;line-height:1.7;color:var(--muted)}.small-dot,.figure-readout i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#7b8b66;margin-right:6px}.rail-foot a{display:flex;align-items:center;gap:6px;margin-top:7px;text-decoration:none}.atlas-column{min-width:0}.atlas-masthead{padding-top:49px}.atlas-topline{display:flex;justify-content:space-between;color:var(--muted);font:10px ui-monospace,monospace;letter-spacing:1.5px}.atlas-masthead h1{font-family:Georgia,Songti SC,"Noto Serif CJK SC",serif;font-size:clamp(45px,5vw,70px);font-weight:400;line-height:1.2;letter-spacing:-2px;margin:33px 0 22px;max-width:none}.atlas-masthead h1 em{font-style:normal;color:#778463}.atlas-intro{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:32px}.atlas-intro p{max-width:510px;font-size:14px;color:var(--muted);margin:0;line-height:1.9}.atlas-intro>a{font-size:12px;white-space:nowrap;display:flex;gap:15px;align-items:center;text-decoration:none;border-bottom:1px solid var(--ink);padding:0 0 7px}.visual-figure{margin:0;min-width:0;position:relative;--anatomy-weight: .65px;--anatomy-hi: #595e54;--anatomy-mid: #8b9284;--anatomy-lo: #b8beb1;--anatomy-faint: #dce0d5}.visual-figure[data-theme=light],.object-preview[data-theme=light]{--anatomy-paper: #fafbf8;--anatomy-top: #fffffd;--anatomy-shade-0: #d8ddd1;--anatomy-shade-1: #e2e6dc;--anatomy-shade-2: #eceee7;--anatomy-shade-3: #f3f4ee;--anatomy-hi: #5c6254;--anatomy-mid: #929889;--anatomy-lo: #b8bdae;--anatomy-faint: #d5d9cc;--anatomy-lit: #63754d;--anatomy-lit-top: #edf2e3;--anatomy-lit-shade: #cad4b7;--anatomy-halo-opacity: .18;--anatomy-halo: #7d8570}.figure-header{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:13px 0 0;color:var(--muted);font:10px ui-monospace,PingFang SC,monospace;letter-spacing:.5px;gap:14px}.figure-header>span i{font-style:normal;margin:0 10px;color:#bcc0b4}.figure-header>div{display:flex;gap:9px}.figure-header button{border:0;background:transparent;padding:5px;color:var(--muted);display:grid;place-items:center}.figure-header button:hover{color:var(--ink)}.figure-art-stage{position:relative;margin:-2px -15px -10px}.object-art{width:100%;height:auto;overflow:visible}.iso-svg path,.iso-svg circle{vector-effect:non-scaling-stroke}.cable-sheath{stroke:#9fa693;stroke-width:4;fill:none;stroke-linecap:round;stroke-linejoin:round}.cable-core{stroke:#edf0e5;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.current-flow{stroke:#809366;stroke-width:1.7;stroke-dasharray:3 13;fill:none;stroke-linecap:round;animation:visual-current 2s linear infinite}.part-bulb{--anatomy-lit-top: #e0e7c1;--anatomy-lit-shade: #becb93;opacity:calc(.45 + var(--lamp-power, .5) * .55);transition:opacity .4s}.part-contact-open,[data-closed=false] .part-contact-closed{display:none}[data-closed=false] .part-contact-open{display:block}[data-closed=false] .current-flow{display:none}[data-closed=false] .part-bulb{--anatomy-lit-top: #fffffd;--anatomy-lit-shade: #e9ece2}.part-switch-handle{transition:transform .3s}[data-closed=false] .part-switch-handle{transform:translate(-10px,-6px)}.meter-live-reading{fill:#5b684e;font-family:ui-monospace,monospace;letter-spacing:.5px}.continuity-lead{display:none}[data-meter=continuity] .continuity-lead{display:block}[data-meter=continuity] .voltage-lead{display:none}.part-mcb-handle,.part-rcd-handle,.part-isolator-handle{transition:transform .4s ease}[data-fault=overload] .part-mcb-handle,[data-fault=leak] .part-rcd-handle{transform:translateY(14px)}[data-fault=overload] .part-mcb-contact,[data-fault=leak] .part-rcd-contact{opacity:.2;transform:translate(-3px,-8px)}.part-mcb-contact,.part-rcd-contact{transition:transform .4s,opacity .4s}.part-lock{opacity:0;transition:opacity .3s}[data-phase="2"] .part-lock,[data-phase="3"] .part-lock{opacity:1}[data-phase="1"] .part-isolator-handle,[data-phase="2"] .part-isolator-handle,[data-phase="3"] .part-isolator-handle{transform:translateY(10px)}.part-conductor-0,.part-conductor-1,.part-conductor-2{transition:opacity .35s;opacity:.4}[data-conductor="0"] .part-conductor-0,[data-conductor="1"] .part-conductor-1,[data-conductor="2"] .part-conductor-2{opacity:1;--anatomy-top: #e5ecd7;--anatomy-shade-3: #dbe4ca;--anatomy-mid: #728759}.figure-readout{display:flex;justify-content:space-between;gap:15px;align-items:center;font:10px ui-monospace,monospace;color:var(--muted);padding:5px 0 15px;border-bottom:1px solid var(--line)}.figure-readout output{font-size:12px;font-variant-numeric:tabular-nums;color:#4c5b3f}.figure-controls{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;margin:16px 0}.figure-controls button{border:1px solid var(--line);border-radius:5px;background:transparent;padding:9px 12px;font-size:11px;color:var(--muted);transition:background .2s}.figure-controls button[aria-pressed=true]{background:#eef1e7;border-color:#cdd6c0;color:#455535}.figure-toggle{display:flex;align-items:center;gap:9px}.figure-toggle i{width:23px;height:12px;background:#ced6c2;border-radius:10px;position:relative}.figure-toggle i:after{content:"";position:absolute;left:2px;top:2px;width:8px;height:8px;background:#fff;border-radius:50%;transition:transform .2s}.figure-toggle[aria-pressed=true] i{background:#7b8b65}.figure-toggle[aria-pressed=true] i:after{transform:translate(11px)}.figure-slider{display:flex;align-items:center;gap:12px;font-size:11px;color:var(--muted)}.figure-slider input{width:125px;accent-color:#72865a}.figure-slider b{font:11px ui-monospace,monospace;width:35px;white-space:nowrap}.figure-segments{display:flex;gap:6px;flex-wrap:wrap}.figure-segments button{display:flex;gap:7px;align-items:center}.figure-phases button small{font:9px ui-monospace,monospace;color:#9ba58e}.visual-figure figcaption{margin:0}.visual-figure figcaption p{font-size:12px;line-height:1.8;margin-bottom:4px;color:#5a6153}.visual-figure figcaption small{font-size:10px;color:#8b9084;line-height:1.7;display:block}.visual-figure[data-visible=false] *{animation-play-state:paused!important}.object-preview *{animation:none!important}.object-preview{background:#f2f3ee;overflow:hidden;padding:5px 0}.object-preview .object-art{transition:transform .4s}a:hover .object-preview .object-art{transform:translateY(-4px)}.figure-dialog{width:min(1400px,95vw);max-height:94vh;padding:24px;border:1px solid #d8decd;border-radius:8px;background:#fafaf8;color:var(--ink)}.figure-dialog::backdrop{background:#34382e88;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.figure-dialog-top{display:flex;justify-content:space-between;gap:15px;align-items:center}.figure-dialog-top strong{font-weight:500;font-size:15px}.figure-dialog-top button{border:0;background:none;color:var(--ink);padding:8px}.figure-zoom-art{min-width:680px}.figure-dialog p{font-size:13px;color:var(--muted)}.figure-dialog output{font:13px ui-monospace,monospace}.figure-dialog:focus-visible{box-shadow:none;outline:1px solid var(--line-strong)}.atlas-afterword{display:flex;justify-content:space-between;gap:28px;align-items:center;padding:28px 0 0;margin-bottom:50px}.atlas-afterword p{margin:0;font-size:13px;color:#727769}.atlas-afterword strong{font-weight:500;color:var(--ink)}.atlas-afterword>span{font-size:10px;white-space:nowrap;color:#969c8c}.atlas-section{padding:42px 0 0;margin:0 0 55px}.atlas-section-heading{margin-bottom:28px}.atlas-section-heading>div{display:flex;justify-content:space-between;align-items:baseline;flex-direction:row-reverse;gap:20px;border-top:1px solid var(--line);padding-top:20px}.atlas-section-heading span{font:11px ui-monospace,monospace;color:#a2aa98}.atlas-section-heading h2{font-family:Georgia,Songti SC,serif;font-size:28px;font-weight:400;margin:0;letter-spacing:-.5px}.atlas-section-heading p{font-size:12px;color:var(--muted);margin:9px 0 0}.object-index{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 20px}.object-index a{min-width:0;text-decoration:none}.object-index a:first-child,.object-index a:nth-child(2){grid-column:auto}.object-index small{font:9px ui-monospace,monospace;color:var(--muted);display:block;margin:13px 0 8px}.object-index strong{font-size:13px;font-weight:500;display:flex;align-items:center;justify-content:space-between}.object-index p{font-size:11px;color:#8b9084;margin:6px 0}.visual-story{display:grid;grid-template-columns:190px minmax(0,1fr);gap:30px;margin:40px 0 64px;align-items:center}.story-margin>span{font:9px ui-monospace,monospace;letter-spacing:1px;color:#8b9680}.story-margin h3{font:400 24px/1.6 Georgia,Songti SC,serif;letter-spacing:-.5px;margin:15px 0}.story-margin p{color:var(--muted);font-size:12px;line-height:1.9;margin-bottom:26px}.story-margin a{display:flex;gap:10px;align-items:center;text-decoration:none;font-size:11px}.figure-compact .figure-art-stage{margin:15px -8px}.figure-compact .figure-header{font-size:9px}.figure-compact .figure-readout>span{font-size:9px}.figure-compact .figure-readout output{font-size:10px}.figure-compact .figure-controls button{font-size:10px;padding:8px}.atlas-course-path>section{display:grid;grid-template-columns:230px minmax(0,1fr);gap:20px;padding:25px 0;border-bottom:1px solid var(--line)}.atlas-course-path header{display:flex;gap:17px;padding-top:9px}.atlas-course-path header b{font:10px ui-monospace,monospace;color:#9aa48e;padding-top:5px}.atlas-course-path h3{font-weight:500;font-size:15px;margin:0 0 6px}.atlas-course-path header p{font-size:10px;color:#8d9483;max-width:180px;line-height:1.8}.atlas-course-path a{display:flex;align-items:center;gap:13px;padding:12px 0;text-decoration:none;font-size:12px;border-bottom:1px dotted var(--line)}.atlas-course-path a:last-child{border:0}.atlas-course-path a:hover strong{color:#6c8053}.atlas-course-path a span{font:10px ui-monospace,monospace;color:#939c85}.atlas-course-path a strong{font-weight:400;flex:1}.atlas-course-path a small{font:9px ui-monospace,monospace;color:#919888;white-space:nowrap}.atlas-course-path a svg{color:#a2aa96}.atlas-guide-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:28px}.atlas-guide-grid a{display:grid;grid-template-columns:106px minmax(0,1fr);gap:17px;align-items:center;text-decoration:none;padding:18px 0;border-bottom:1px solid var(--line)}.atlas-guide-grid .object-preview{height:84px;display:grid;align-items:center}.atlas-guide-grid a small{font:9px ui-monospace,monospace;color:#8f9784}.atlas-guide-grid a h3{font-size:12px;font-weight:500;margin:5px 0}.atlas-guide-grid a span{font-size:9px;color:#929985;display:flex;align-items:center;justify-content:space-between;gap:6px}.atlas-next>span{font:10px ui-monospace,monospace;color:#8a957c}.atlas-next h2{font:400 27px/1.5 Georgia,Songti SC,serif;margin:16px 0 28px}.atlas-next>div{display:grid;grid-template-columns:1fr;gap:0}.atlas-next a{display:grid;grid-template-columns:1fr 1fr 24px;align-items:center;gap:20px;padding:20px 0;text-decoration:none;border-top:1px solid var(--line)}.atlas-next a strong{font-size:13px;font-weight:500}.atlas-next a p{font-size:11px;color:var(--muted);margin:0}.atlas-next a svg{width:18px;color:#8f9983}.atlas-safety{border-top:1px solid var(--line);display:flex;gap:12px;align-items:start;padding:25px 0 50px;color:#8c9382}.atlas-safety>svg{flex-shrink:0;margin-top:3px}.atlas-safety p{font-size:10px;margin:0;max-width:610px}.atlas-safety a{font-size:10px;display:flex;align-items:center;gap:5px;white-space:nowrap;margin-left:auto;text-decoration:none}footer{background:transparent;border-top:1px solid var(--line);font-size:10px;color:#8e9584}.footer-inner{padding:28px 0}.official-links{font-size:10px}.lesson-shell{max-width:1250px;gap:65px;padding-top:42px}.toc{background:transparent;border:0;border-radius:0;box-shadow:none}.toc-title strong{font-size:12px;font-weight:500}.toc-stage>span{font-size:10px;color:#929889;letter-spacing:.5px}.toc-link{font-size:11px;border-radius:3px;font-weight:400}.toc-link.active{background:#eef1e7;color:#526342;border:0}.lesson-main{min-width:0}.crumb{font-size:10px;color:var(--muted)}.lesson-hero{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:35px}.lesson-hero h1{font:400 clamp(29px,3.1vw,42px) / 1.4 Georgia,"Songti SC",serif;letter-spacing:-1px}.lesson-hero>p{font-size:13px;color:var(--muted);max-width:640px;line-height:1.9}.lesson-hero .meta{font-size:10px;gap:8px}.lesson-hero .meta span{background:none;border:0;padding:0 10px 0 0;border-right:1px solid var(--line-strong);border-radius:0}.visual-section-label{font-size:11px;color:#6f7f5b;display:flex;justify-content:space-between;gap:15px}.visual-section-label>span{font:9px ui-monospace,monospace;color:#8e9882}.lesson-visual h2{font:400 24px/1.55 Georgia,Songti SC,serif;margin:12px 0 26px;max-width:650px}.visual-takeaways{list-style:none;padding:0;margin:30px 0 15px;display:grid;grid-template-columns:repeat(3,1fr);gap:23px}.visual-takeaways li{padding-top:14px;border-top:1px solid var(--line);font-size:12px}.visual-takeaways li>span{font:10px ui-monospace,monospace;color:#929f81}.visual-takeaways p{margin:10px 0;color:#666e5b;line-height:1.8}.visual-reading-link{display:inline-flex;gap:7px;align-items:center;font-size:11px;color:#7d886f;text-decoration:none;margin:5px 0 45px}.safety-banner{border-radius:3px;background:#f3f2eb;border-color:#e5e2d4;font-size:11px;box-shadow:none}.lesson-section{margin:36px 0}.lesson-section h2{font-size:18px;font-weight:500}.lesson-section h2 svg{width:18px}.lesson-section p,.check-list,.steps,.mistake-list,.quiz-list{font-size:13px;line-height:1.85}.case-card,.concept-grid article,.mistake-list>div,.tool-card{background:transparent;box-shadow:none;border-radius:3px}.case-card{padding:24px}.case-card h3{font-size:16px;font-weight:500}.concept-grid{grid-template-columns:1fr}.concept-grid article{border:0;border-bottom:1px solid var(--line);display:flex;align-items:baseline;gap:18px;padding:16px 0}.concept-grid article span{font:12px ui-monospace,monospace;background:none;color:#8c9980;width:auto;height:auto}.concept-grid article p{margin:0;font-size:13px}.reading-details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0}.reading-details>summary{font-size:13px;font-weight:500;display:flex;align-items:center;justify-content:space-between;padding:19px 0;cursor:pointer;list-style:none}.reading-details>summary:after{content:"+";font-size:20px;font-weight:300;margin-left:10px}.reading-details[open]>summary:after{content:"−"}.reading-details>summary svg{margin-left:auto}.tool-card img{max-height:200px;object-fit:contain}.steps li{border-radius:0;background:transparent;box-shadow:none;border-bottom:1px solid var(--line);padding:17px 0}.steps li:before{background:#eff2e9;color:#788b61}.quiz-list details{background:transparent;border-radius:0;box-shadow:none}.pager{font-size:12px}.btn{border-radius:4px;box-shadow:none;font-size:12px;font-weight:500}.btn.primary{background:#5b6c48;color:#fff;border:1px solid #5b6c48}.btn.accent{background:#edf0e6;color:#536047}.eyebrow{font-size:10px;font-weight:500;letter-spacing:1px}.section-header h1,.section-header h2{font-family:Georgia,Songti SC,serif;font-weight:400}.section-header p{font-size:13px}.section{padding-top:40px;padding-bottom:40px}.guide-hero{padding-top:40px;padding-bottom:20px}.guide-hero-layout{display:block}.guide-hero-layout>aside{display:none}.guide-hero h1{font-size:36px;font-weight:400;line-height:1.3;letter-spacing:-.7px;font-family:Georgia,serif;max-width:800px}.guide-title-zh{font:400 23px/1.6 Georgia,Songti SC,serif;color:var(--muted);margin:12px 0!important}.guide-intro{max-width:760px;font-size:13px;line-height:1.8}.guide-intro small{font-size:12px}.guide-hero-actions{margin-top:20px}.guide-visual-intro{display:grid;grid-template-columns:220px minmax(0,1fr);gap:50px;align-items:center;margin-top:30px;margin-bottom:35px}.guide-visual-intro>div h2{font:400 27px/1.5 Georgia,Songti SC,serif;margin:16px 0}.guide-visual-intro>div>p{font-size:13px;color:var(--muted);line-height:1.9}.guide-visual-intro>div>span{font:9px ui-monospace,monospace;color:#8f9b81}.guide-core{padding-top:20px}.guide-section-kicker h2{font:400 25px/1.5 Georgia,Songti SC,serif}.guide-section-kicker>span{font-size:10px;font-weight:400;color:#839171}.guide-section-kicker>p{font-size:12px}.guide-entry-grid{display:block}.guide-entry{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;padding:22px 0;display:grid;grid-template-columns:270px 1fr;gap:10px 40px}.guide-entry>header{grid-row:span 2;align-items:baseline}.guide-entry>header>span{font:10px ui-monospace,monospace;color:#869578;background:transparent;border:0}.guide-entry h3{font-size:16px;font-weight:500}.guide-entry header small{font-size:12px}.guide-definition{font-size:13px;margin:0!important}.guide-definition small{font-size:12px}.guide-entry-more{grid-column:2;font-size:12px}.guide-entry-more>summary{cursor:pointer;color:#7e8e6d;padding:9px 0;list-style:none;display:flex;gap:12px}.guide-entry-more>summary:after{content:"+"}.guide-entry-more[open]>summary:after{content:"−"}.guide-entry blockquote{border-radius:0;background:#f1f3ec;border-left:2px solid #c8d0bb;font-size:12px}.guide-entry blockquote small{font-size:11px}.guide-note{background:none;font-size:11px}.guide-note small{font-size:11px}.guide-outcomes{display:none}.guide-practice,.guide-conversion{border-radius:3px;background:#f1f3ec;box-shadow:none}.guide-practice h2,.guide-conversion h2{font-weight:400;font-size:25px}.guide-practice p,.guide-conversion p{font-size:13px}.guide-source-links a,.guide-related-grid a,.guide-faq details{border-radius:0;background:transparent;box-shadow:none}.guide-related-grid strong{font-size:13px;font-weight:500}.guide-breadcrumb{font-size:11px}.guide-all-pages li{border-radius:0}.training-library-hero h1{font:400 35px/1.4 Georgia,Songti SC,serif;letter-spacing:-.5px}.training-library-hero p{font-size:13px;color:var(--muted)}.training-library-stats{background:transparent;box-shadow:none;border:0}.training-library-stats b{font:400 34px Georgia,serif}.training-library-disclaimer{background:#f1f3eb;border-color:#e1e6d8;border-radius:3px;font-size:12px}.training-library-disclaimer h2{font-weight:500;font-size:14px}.training-library-disclaimer p{font-size:11px}.training-library-tabs button{border-radius:4px;font-size:12px;box-shadow:none}.training-library-search{border-radius:4px}.training-library-toolbar input,.training-library-toolbar select{font-size:12px}.term-card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 24px}.term-card{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;padding:0 0 22px;overflow:visible}.term-card .object-preview{margin-bottom:17px}.term-card h2{font-size:15px;font-weight:500}.term-card p,.term-card blockquote{font-size:12px}.term-card-meta{font-size:10px}.term-card-explanation{line-height:1.8}.term-card>blockquote{display:none}.term-card summary{font-size:11px;color:#7b8b68}.term-card-detail blockquote{display:block;margin:12px 0;padding:12px;background:#f0f3e9}.term-card-detail blockquote strong{display:block}.term-card-aliases{margin-top:12px}.term-card-aliases span{background:#f0f2eb;font-size:9px;border:0}.scenario-training-card{border:0;border-radius:0;box-shadow:none;background:transparent;border-bottom:1px solid var(--line)}.scenario-training-card h2{font-weight:500;font-size:21px}.scenario-visual{display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:center;margin:15px 0 22px}.scenario-visual .scenario-phenomenon{margin:0;background:transparent}.scenario-training-card p,.scenario-training-card li{font-size:12px}.scenario-training-card header small{font-size:10px}@keyframes visual-current{to{stroke-dashoffset:-32}}@media(min-width:1500px){.atlas-layout{gap:80px}.atlas-masthead h1{font-size:76px}}@media(max-width:1150px){.atlas-layout{grid-template-columns:140px minmax(0,1fr);gap:35px;width:calc(100% - 50px)}.nav-inner{width:calc(100% - 36px)}.nav-links button{padding:6px;font-size:11px}.brand{font-size:13px}.visual-story{grid-template-columns:160px 1fr;gap:20px}.story-margin h3{font-size:21px}.atlas-course-path>section{grid-template-columns:180px 1fr}.atlas-guide-grid a{grid-template-columns:82px 1fr;gap:12px}.atlas-afterword>span{display:none}.guide-visual-intro{grid-template-columns:180px minmax(0,1fr);gap:25px}.lesson-shell{gap:30px}.term-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.atlas-layout{display:block;width:min(760px,calc(100% - 44px))}.atlas-rail{display:none}.atlas-masthead{padding-top:35px}.atlas-masthead h1{font-size:59px}.nav-menu{display:inline-grid}.nav-inner{height:62px}.nav-links{display:none}.nav-links.open{display:flex;position:absolute;top:62px;left:0;right:0;flex-direction:column;gap:0;padding:15px 20px;border-bottom:1px solid var(--line);background:var(--bg)}.nav-links.open button{display:block;text-align:left;padding:11px 0;font-size:13px}.atlas-intro{margin-bottom:24px}.lesson-shell{display:block}.lesson-main{max-width:760px;margin:0 auto}.toc{display:none}.toc.open{display:block;background:var(--bg)}.guide-entry{grid-template-columns:230px 1fr;gap:15px}.guide-hero h1{font-size:30px}.guide-visual-intro{gap:25px}.visual-takeaways{gap:17px}.guide-entry-more{grid-column:2}.figure-art-stage{margin:0 -8px}.atlas-section-heading h2{font-size:25px}.training-library-hero h1{font-size:29px}}@media(max-width:600px){.container,.atlas-layout{width:calc(100% - 36px)}.nav-inner{width:calc(100% - 28px);gap:8px}.brand{font-size:12px}.brand-mark{width:26px;height:26px}.brand svg{width:15px}.lang-btn{font-size:10px;padding:0 5px}.lang-btn svg{display:none}.atlas-topline{font-size:8px;letter-spacing:.7px}.atlas-masthead{padding-top:28px}.atlas-masthead h1{font-size:47px;line-height:1.24;margin-top:26px;letter-spacing:-1px}.atlas-intro{display:block}.atlas-intro p{font-size:12px;max-width:310px}.atlas-intro>a{width:max-content;margin-top:20px;font-size:11px}.figure-header{font-size:9px;padding-top:10px}.figure-header>span i{margin:0 5px}.figure-art-stage{margin:9px -12px 7px}.figure-readout{font-size:8px;gap:8px;padding-bottom:12px}.figure-readout output{font-size:10px}.figure-controls{gap:10px;margin:12px 0}.figure-controls button{font-size:10px;padding:9px 10px;min-height:36px}.figure-slider{font-size:10px;gap:9px;width:100%;justify-content:space-between}.figure-slider input{flex:1;max-width:190px}.figure-slider b{font-size:10px}.figure-segments{gap:5px}.figure-segments button{flex:1;white-space:nowrap}.figure-phases{display:grid;grid-template-columns:1fr 1fr;width:100%}.figure-phases button{justify-content:center}.visual-figure figcaption p{font-size:11px}.visual-figure figcaption small{font-size:9px}.atlas-afterword{margin-bottom:12px;padding-top:24px}.atlas-afterword p{font-size:11px}.atlas-section{margin-bottom:25px;padding-top:30px}.atlas-section-heading h2{font-size:23px}.atlas-section-heading p{font-size:11px}.object-index{grid-template-columns:1fr 1fr;gap:20px 16px}.object-index strong{font-size:11px}.object-index p{font-size:10px}.object-index small{font-size:8px}.visual-story{display:block;margin:25px 0 45px}.story-margin>span{font-size:9px}.story-margin h3{font-size:25px;margin:8px 0}.story-margin h3 br{display:none}.story-margin p{font-size:12px;max-width:300px;margin-bottom:12px}.story-margin a{margin-bottom:24px}.figure-compact .figure-art-stage{margin:12px -12px}.atlas-course-path>section{display:block;padding:16px 0}.atlas-course-path header{gap:11px;padding-top:0}.atlas-course-path header p{max-width:none;margin:0 0 10px}.atlas-course-path a{font-size:11px;gap:10px}.atlas-course-path a small{font-size:8px}.atlas-course-path a svg{width:13px}.atlas-guide-grid{grid-template-columns:1fr}.atlas-guide-grid a{grid-template-columns:112px 1fr;gap:17px}.atlas-guide-grid a h3{font-size:13px}.atlas-guide-grid a span{font-size:10px}.atlas-next h2{font-size:23px}.atlas-next a{grid-template-columns:1fr 20px;gap:7px}.atlas-next a p{grid-column:1;grid-row:2;font-size:10px}.atlas-next a svg{grid-column:2;grid-row:1 / 3}.atlas-next a strong{font-size:12px}.atlas-safety{flex-wrap:wrap;padding-bottom:30px}.atlas-safety p{flex:1;font-size:9px}.atlas-safety a{width:100%;padding-left:30px}.footer-inner{font-size:9px}.lesson-shell{padding:25px 18px;width:100%}.lesson-hero h1{font-size:30px}.lesson-hero>p{font-size:12px}.lesson-visual h2{font-size:22px}.visual-section-label{font-size:10px}.visual-section-label>span{font-size:8px}.visual-takeaways{grid-template-columns:1fr;gap:0}.visual-takeaways li{display:flex;align-items:baseline;gap:15px;font-size:12px;padding-top:8px}.visual-takeaways p{margin:8px 0}.safety-banner{font-size:10px}.lesson-section h2{font-size:16px}.case-card{padding:15px}.tool-grid{grid-template-columns:1fr 1fr}.tool-card{padding:12px}.tool-card h3{font-size:13px}.tool-card p{font-size:11px}.guide-hero{padding-top:26px}.guide-hero h1{font-size:27px}.guide-title-zh{font-size:19px}.guide-intro{font-size:12px}.guide-visual-intro{display:block}.guide-visual-intro>div h2{font-size:23px;margin:12px 0}.guide-visual-intro>div>p{font-size:12px;margin-bottom:24px}.guide-entry{display:block;padding:20px 0}.guide-entry header{margin-bottom:13px}.guide-definition{padding-left:35px;font-size:12px}.guide-entry-more{margin-left:35px}.guide-entry h3{font-size:16px}.guide-entry-more>summary{font-size:11px}.guide-section-kicker h2{font-size:23px}.term-card-grid{grid-template-columns:1fr}.term-card .object-preview{height:205px;display:flex;align-items:center}.training-library-hero h1{font-size:27px}.training-library-stats{padding:10px 0}.training-library-stats b{font-size:26px}.training-library-tabs button{font-size:11px}.training-library-toolbar{gap:13px}.training-library-search{min-width:0}.scenario-visual{grid-template-columns:1fr}.scenario-visual .object-preview{max-height:220px;display:flex;align-items:center}.figure-dialog{padding:14px}.figure-zoom-art{min-width:680px;overflow:auto}.figure-dialog-top{position:sticky;left:0;top:0;background:#fafaf8;z-index:1}.figure-dialog-top strong{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}.part-bulb{--anatomy-shade-0: #bdc995;--anatomy-shade-1: #d0dcac;--anatomy-shade-2: #e3eacb;--anatomy-shade-3: #f1f5df}[data-closed=false] .part-bulb{--anatomy-shade-0: #d6dcd0;--anatomy-shade-1: #e2e6dc;--anatomy-shade-2: #eceee7;--anatomy-shade-3: #f8f9f4;opacity:1}[data-broken=true] .part-specimen-bridge{opacity:0}.atlas-resources{margin:20px 0 40px}.atlas-resources .section.container{width:100%;padding-top:20px}.atlas-resources .section-header h2{font-size:23px}.atlas-resources .reading-details{margin:0;border-bottom:0}.atlas-resources .reading-details:last-child{border-bottom:1px solid var(--line)}.atlas-resources .audience-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.atlas-resources .tool-overview-grid{grid-template-columns:1fr}@media(min-width:901px){.atlas-masthead{padding-top:38px}.atlas-masthead h1{font-size:60px;margin-top:26px;margin-bottom:18px}.atlas-intro{margin-bottom:23px}.atlas-column>.visual-figure>.figure-art-stage{margin-top:-35px;margin-bottom:-30px}}@media(max-width:600px){.atlas-resources .audience-grid{grid-template-columns:1fr}}.parallel-wires,.part-parallel-wires{display:none}[data-parallel=true] .part-parallel-wires{display:block}[data-parallel=true] .part-series-wires{display:none}.guide-learning-outcomes{margin:20px auto 35px}.guide-learning-outcomes>div p{display:flex;align-items:baseline;gap:12px;font-size:12px}.guide-learning-outcomes>div p svg{flex-shrink:0;color:#879576}.guide-learning-outcomes>div p small{color:var(--muted)}.home-object-figure{margin:20px 0}.home-object-figure .object-preview{background:transparent}.home-object-figure figcaption{font-size:10px;color:#8b9480;margin:0 0 16px}.home-check-detail,.home-check-scenario-nav,.home-knowledge-card,.practice-card,.supplement-panel{border-radius:3px;box-shadow:none;background:transparent}.home-check-detail{padding:24px}.home-check-detail-head h3{font:400 28px/1.4 Georgia,Songti SC,serif}.home-check-detail-head p{font-size:13px}.home-check-scenario{background:transparent;box-shadow:none;border-radius:3px}.home-check-scenario strong{font-size:12px;font-weight:500}.home-check-scenario small{font-size:10px}.home-check-step{border-radius:3px;background:transparent;font-size:12px}.home-check-step-copy{background:#f0f3e8;border-radius:3px}.home-check-step-copy strong{font-size:13px;font-weight:500}.home-check-step-copy p,.home-check-stop p{font-size:12px}.home-knowledge-card .object-preview{margin-bottom:20px}.home-knowledge-card h3{font-weight:500;font-size:16px}.home-knowledge-card p{font-size:12px}.practice-card-head h3{font-weight:500;font-size:18px}.practice-card p,.practice-card li{font-size:12px}.practice-card .practice-cols{gap:20px}.practice-safety-note{background:#f1f3e9;border-radius:3px}.practice-list{border-radius:0;background:transparent}.practice-stop{border-radius:3px}.practice-section .section-header{max-width:780px;margin-left:auto;margin-right:auto}.practice-section .section-header h1{font:400 38px/1.4 Georgia,Songti SC,serif}.home-check-scenario-nav-head p{font-size:11px}.home-checks-bridge{border-radius:3px;box-shadow:none;background:#f1f3eb}.home-knowledge-grid{gap:24px}.home-knowledge-card{padding:0 0 20px;border:0;border-bottom:1px solid var(--line)}@media(max-width:600px){.home-check-detail{padding:16px}.home-check-detail-head h3{font-size:24px}.home-check-step-copy{padding:16px}.home-check-step{font-size:11px}.practice-section .section-header h1{font-size:30px}.guide-learning-outcomes>div p{flex-wrap:wrap}.guide-learning-outcomes>div p small{padding-left:27px;width:100%}}.part-meter-knob-continuity{display:none}[data-meter=continuity] .part-meter-knob-continuity{display:block}[data-meter=continuity] .part-meter-knob-voltage{display:none}.figure-zoom-controls{display:flex;gap:8px;align-items:center;padding:12px 0}.figure-zoom-controls button{border:1px solid var(--line);background:transparent;border-radius:4px;font:12px ui-monospace,monospace;padding:8px 13px;color:#677958}.figure-zoom-controls button[aria-pressed=true]{background:#e8efdc}.figure-zoom-controls span{font-size:10px;color:var(--muted);margin-left:10px}.figure-zoom-window{max-height:65vh;overflow:auto;overscroll-behavior:contain;border:1px solid var(--line)}.figure-zoom-window .figure-zoom-art{min-width:0}.figure-dialog{overflow-x:hidden}.figure-dialog .figure-zoom-window .object-art{max-width:none}.figure-zoom-art .current-flow{animation-play-state:paused}@media(max-width:600px){.figure-zoom-controls{flex-wrap:wrap}.figure-zoom-controls span{width:100%;margin:3px 0 0}.figure-zoom-window{max-height:55vh}}
