.engx-hero{padding:calc(var(--header-height) + clamp(48px,8vw,104px)) 0 clamp(8px,2vw,24px);text-align:center}.engx-hero h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.05;letter-spacing:-.045em;font-weight:500;text-wrap:balance;max-width:13em;margin:0 auto}.engx-hero p{max-width:40em;margin:22px auto 0;font-size:17px;line-height:1.6;color:var(--color-text-muted)}.engx-floor-sec{padding:clamp(24px,4vw,48px) 0 clamp(56px,8vw,104px)}.engx-floor{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(16px,3vw,40px);align-items:center}.engx-floor-art{min-width:0}.efloor{max-height:640px}.efloor-eng{cursor:pointer;outline:none;transition:transform .32s var(--ease-out),opacity .24s}.efloor-eng.is-on{transform:translateY(-7px)}.efloor-eng.is-dim{opacity:.5}.efloor-eng:focus-visible .iso-f{stroke:var(--color-text)}.engx-card{border-radius:14px;padding:20px;background:var(--color-bg-elevated);box-shadow:0 0 0 1px var(--color-border);min-height:300px}.engx-card-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}.engx-card-top b{display:block;font-size:16px;font-weight:500}.engx-card-top span:not(.engx-icon){font-size:13px;color:var(--color-text-muted)}.engx-icon{display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:8px;color:var(--color-text-secondary);box-shadow:inset 0 0 0 1px var(--color-border-strong)}.engx-card p{font-size:14px;line-height:1.6;color:var(--color-text-secondary)}.engx-card ul{list-style:none;margin:14px 0 18px;padding:0;display:grid;gap:7px;font-size:13px;color:var(--color-text-muted)}.engx-card li{display:flex;gap:8px;align-items:center}.engx-card li svg{color:var(--color-brand);flex:none}.engx-open{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--color-text);text-decoration:none}.engx-open:hover{color:var(--color-brand-light)}.engx-layers{padding:0 0 clamp(56px,8vw,104px)}.engx-layer{display:grid;gap:24px;padding:48px 0;border-top:1px solid var(--color-border)}.engx-layer-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px}.engx-layer-head h2{font-size:20px;font-weight:500;letter-spacing:-.02em}.engx-layer-head p{margin-top:8px;font-size:14px;line-height:1.55;color:var(--color-text-muted);max-width:28ch}.engx-rows{display:grid}.engx-row{display:grid;grid-template-columns:32px 190px minmax(0,1fr) 16px;gap:16px;align-items:center;padding:14px 12px;margin:0 -12px;border-radius:10px;color:inherit;text-decoration:none;transition:background var(--duration-fast)}.engx-row:hover{background:color-mix(in srgb,var(--color-text) 4%,transparent)}.engx-row-name b{display:block;font-size:14.5px;font-weight:500}.engx-row-name em{font-style:normal;font-size:13px;color:var(--color-text-muted)}.engx-row-desc{font-size:13.5px;line-height:1.55;color:var(--color-text-muted)}.engx-row-go{color:var(--color-text-muted);transition:transform var(--duration-normal) var(--ease-out),color var(--duration-fast)}.engx-row:hover .engx-row-go{color:var(--color-brand);transform:translate(3px)}.engx-docs{padding-top:28px;border-top:1px solid var(--color-border);font-size:14px;color:var(--color-text-muted)}.engx-docs a{color:var(--color-text-secondary)}@media(max-width:960px){.engx-floor,.engx-layer{grid-template-columns:1fr}.engx-row{grid-template-columns:32px minmax(0,1fr) 16px}.engx-row-desc{grid-column:2 / 3}.engx-card{display:none}}