.lwl-group{--lwl-text: #1C1917;--lwl-text-2: #57534E;--lwl-text-3: #A8A29E;--lwl-accent: #A0613A;--lwl-accent-bg: #F5EBE3;--lwl-cool: #3E6B5C;--lwl-cool-bg: #E7EFEC;--lwl-border: #E7E5E4;--lwl-bg: #FAFAF7;--lwl-surface: #FFFFFF;font-family:Inter,-apple-system,system-ui,sans-serif;color:var(--lwl-text);line-height:1.75;max-width:720px;margin:0 auto;padding:3rem 1.5rem 4rem;background:var(--lwl-bg)}.lwl-group *,.lwl-group *:before,.lwl-group *:after{box-sizing:border-box}.lwl-header{margin-bottom:1.75rem;position:relative}.lwl-header-label{font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--lwl-accent);margin-bottom:.75rem}.lwl-group h1{font-size:2.4rem;font-weight:700;line-height:1.15;color:var(--lwl-text);letter-spacing:-.02em;margin-bottom:.5rem}.lwl-subtitle{font-size:1.05rem;color:var(--lwl-text-2);font-weight:400}.lwl-series-nav{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-top:.85rem;font-size:.8rem}.lwl-series-nav a{color:var(--lwl-cool);text-decoration:none;font-weight:600}.lwl-series-nav a:hover{text-decoration:underline}.lwl-series-current{color:var(--lwl-text-3)}.lwl-intro{background:var(--lwl-surface);border:1px solid var(--lwl-border);border-radius:8px;padding:1rem 1.25rem;margin-bottom:2rem}.lwl-intro p{font-size:.9rem;color:var(--lwl-text-2);line-height:1.7}.lwl-intro strong{color:var(--lwl-text);font-weight:600}.lwl-nav{display:flex;gap:.25rem;border-bottom:1px solid var(--lwl-border);margin-bottom:2.5rem;overflow-x:auto;-webkit-overflow-scrolling:touch}.lwl-nav button{background:none;border:none;border-bottom:2px solid transparent;padding:.75rem 1rem;font-family:inherit;font-size:.875rem;font-weight:500;color:var(--lwl-text-3);cursor:pointer;white-space:nowrap;transition:color .15s,border-color .15s}.lwl-nav button:hover{color:var(--lwl-text-2)}.lwl-nav button.active{color:var(--lwl-accent);font-weight:600;border-bottom-color:var(--lwl-accent)}.lwl-page-panel{display:none}.lwl-page-panel.active{display:block;animation:lwlAppear .25s ease}@keyframes lwlAppear{0%{opacity:0}to{opacity:1}}.lwl-group .section-label{font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--lwl-text-3);margin-bottom:.5rem}.lwl-group .section-label.warm{color:var(--lwl-accent)}.lwl-group .section-label.cool{color:var(--lwl-cool);margin-top:.5rem}.lwl-group h2{font-size:1.35rem;font-weight:700;color:var(--lwl-text);letter-spacing:-.01em;margin-bottom:1rem}.lwl-group h3{font-size:1.1rem;font-weight:600;color:var(--lwl-text);margin-bottom:.6rem}.lwl-group .body-text{font-size:.95rem;color:var(--lwl-text-2);line-height:1.8}.lwl-group .body-text+.body-text{margin-top:.75rem}.lwl-group .body-text strong{color:var(--lwl-text);font-weight:600}.lwl-group .timing{font-size:.75rem;font-weight:500;color:var(--lwl-text-3);float:right;margin-top:.4rem}.lwl-group .divider{border:none;border-top:1px solid var(--lwl-border);margin:2rem 0}.lwl-group .q-list{margin:1rem 0 .5rem;display:flex;flex-direction:column;gap:.4rem}.lwl-group .q{font-size:1.1rem;font-weight:500;color:var(--lwl-text);line-height:1.5;padding:.9rem 1.25rem;border-left:2px solid transparent;border-radius:6px;cursor:pointer;transition:background .15s,border-color .15s}.lwl-group .q:hover{background:var(--lwl-surface);border-left-color:var(--lwl-accent-bg)}.lwl-group .q.active{background:var(--lwl-accent-bg);border-left-color:var(--lwl-accent)}.lwl-group .lwl-diagram{margin:1.75rem 0 .5rem}.lwl-group .lwl-diagram svg{width:100%;height:auto;display:block;background:var(--lwl-surface);border:1px solid var(--lwl-border);border-radius:8px;padding:.5rem}.lwl-group .lwl-diagram figcaption{font-size:.78rem;color:var(--lwl-text-3);text-align:center;margin-top:.6rem;font-style:italic}.lwl-group .page-nav{display:flex;justify-content:space-between;align-items:center;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--lwl-border)}.lwl-group .page-nav button{background:none;border:none;font-family:inherit;font-size:.9rem;font-weight:500;color:var(--lwl-accent);cursor:pointer;padding:.5rem 0;transition:opacity .15s}.lwl-group .page-nav button:hover{opacity:.7}.lwl-group .page-nav .ghost{visibility:hidden}.lwl-footer{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--lwl-border);text-align:center;font-size:.8rem;color:var(--lwl-text-3);line-height:1.8}.lwl-footer strong{color:var(--lwl-text-2);font-weight:600}@media(max-width:600px){.lwl-group{padding:2rem 1.25rem 3rem}.lwl-group h1{font-size:1.8rem}.lwl-group .q{font-size:1.05rem}}@media(prefers-reduced-motion:reduce){.lwl-page-panel{animation:none!important}}