.markdown h1:first-child{margin-bottom:2rem}.markdown p>img{display:block;margin:1.5rem auto;max-width:100%;height:auto}.lang-select{position:relative;display:inline-block}.lang-select summary{display:flex;align-items:center;justify-content:flex-start;gap:.45rem;min-width:7.5em;box-sizing:border-box;padding:.4rem .9rem;border:1px solid var(--gray-200);border-radius:6px;background:var(--body-background);color:inherit;font-size:.85rem;line-height:1.2;cursor:pointer;list-style:none;box-shadow:0 2px 8px rgba(0,0,0,.12);transition:border-color .15s ease,color .15s ease,box-shadow .15s ease}.lang-select summary:hover,.lang-select[open] summary{border-color:var(--color-link);color:var(--color-link);box-shadow:0 3px 10px rgba(46,117,182,.35)}.lang-select summary::-webkit-details-marker{display:none}.lang-select .lang-code{font-weight:600;letter-spacing:.02em;display:inline-block;width:1.6em;text-align:center}.lang-select .lang-caret{font-size:.65rem;color:var(--gray-500);margin-left:auto;transition:transform .15s ease}.lang-select[open] .lang-caret{transform:rotate(180deg)}.lang-select img{width:18px;height:18px;display:block;border-radius:50%;box-shadow:0 0 0 1px rgba(0,0,0,.12)}.lang-select ul{position:absolute;top:calc(100% + .4rem);left:0;right:0;box-sizing:border-box;margin:0;padding:.3rem;list-style:none;background:var(--body-background);border:1px solid var(--gray-200);border-radius:6px;box-shadow:0 4px 14px rgba(0,0,0,.12);z-index:30;white-space:nowrap;overflow:hidden}.lang-select ul li{margin:0}.lang-select ul a[href],.home-topnav .lang-select ul a[href]{flex:none;min-width:0;background:0 0;display:flex;align-items:center;justify-content:flex-start;gap:.45rem;padding:.4rem .6rem;border:none;border-radius:4px;box-shadow:none;color:inherit;text-decoration:none;font-size:.85rem}.lang-select ul a[href]:hover,.home-topnav .lang-select ul a[href]:hover{background:var(--gray-100);color:var(--color-link);text-decoration:none;border:none;box-shadow:none}.book-page{position:relative}.book-page>.lang-select{position:absolute;top:1.4rem;right:1.5rem;z-index:10}.book-languages{display:none}.book-menu .book-menu-content{background:var(--gray-100)}.book-search input{background:var(--body-background)}.book-brand-logo svg{display:block;height:2.2rem;width:auto}.book-brand img{display:none}.home-logo{display:block}.home-logo svg{display:block;width:100%;max-width:336px;height:auto;margin:0 auto 1.5rem}.markdown p.home-intro{text-align:center;margin:1rem 0 3rem;font-weight:700;font-size:1.3rem}.home-cards{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:1fr;gap:1rem;margin:2rem 0}@media(max-width:900px){.home-cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.home-cards{grid-template-columns:1fr}}.home-card{display:flex;flex-direction:column;padding:1.25rem 1.5rem;border:1px solid var(--gray-200);border-radius:8px;text-decoration:none;color:inherit;background:var(--gray-100);box-shadow:0 2px 8px rgba(0,0,0,.12);transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.home-card:hover{border-color:var(--color-link);box-shadow:0 4px 14px rgba(46,117,182,.35);transform:translateY(-2px)}.markdown a.home-card[href],.markdown a.home-card[href]:hover,.markdown a.home-card[href]:visited,.markdown a.home-card[href] h3,.markdown a.home-card[href] p{color:inherit;text-decoration:none}.home-card h3{margin:0 0 1.2rem;text-align:center;font-weight:700}.home-card p{margin:0;font-size:.9rem;line-height:1.45;min-height:2.9em;text-align:center;opacity:.8}.home-topnav{display:flex;justify-content:flex-end;align-items:center;gap:.75rem;margin-bottom:1.5rem}.home-topnav a[href]{flex:none;display:inline-block;min-width:7.5em;box-sizing:border-box;text-align:center;padding:.4rem .9rem;border:1px solid var(--gray-200);border-radius:6px;color:inherit;text-decoration:none;font-size:.85rem;line-height:1.2;background:var(--body-background);box-shadow:0 2px 8px rgba(0,0,0,.12);transition:border-color .15s ease,color .15s ease,box-shadow .15s ease}.home-topnav a[href]:hover{border-color:var(--color-link);color:var(--color-link);text-decoration:none;box-shadow:0 3px 10px rgba(46,117,182,.35)}.site-disclaimer{margin-top:2rem;padding-top:1rem;border-top:1px solid var(--gray-200);font-size:.8rem;font-style:italic;color:var(--gray-500)}