:root{--primary-blue:#0181e3;--primary-dark:#01477d;--secondary-yellow:#ffbf00;--text-dark:#2c3e50;--text-light:#ecf0f1;--text-muted:#7f8c8d;--bg-light:#fff;--bg-gray:#f8f9fa;--border-color:#e0e0e0;--min-tap-area:44px}*,:before,:after{box-sizing:border-box}html{scroll-padding-top:5rem}body{min-height:100vh;color:var(--text-dark);background-color:var(--bg-light);flex-direction:column;margin:0;font-family:Helvetica,Arial,sans-serif;line-height:1.6;display:flex}a{color:var(--primary-blue);text-decoration:none;transition:color .3s}a:hover{color:var(--primary-dark)}img{max-width:100%;height:auto}header *,footer *{margin:0;padding:0}.container{max-width:1200px;margin:0 auto;padding:0 2rem}header{background-color:var(--bg-light);border-bottom:1px solid var(--border-color);z-index:100;padding:1rem 0;position:sticky;top:0}nav{justify-content:space-between;align-items:center;display:flex}.logo{color:var(--primary-blue);flex-shrink:0;align-items:center;gap:10px;font-size:1.5rem;font-weight:700;display:flex}.logo a{color:inherit;align-items:center;gap:10px;text-decoration:none;display:flex}.logo-image{height:40px}.nav-links{gap:2rem;list-style:none;display:flex}.nav-links a{color:var(--text-dark);min-height:var(--min-tap-area);align-items:center;font-weight:500;display:inline-flex}.nav-links a:hover{color:var(--primary-blue)}header .nav-links>li>a{line-height:1}.nav-dropdown{position:relative}.nav-dropdown__trigger{min-height:var(--min-tap-area);font:inherit;color:var(--text-dark);cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;padding:0;font-weight:500;line-height:1;display:inline-flex}.nav-dropdown__trigger:hover,.nav-dropdown:hover .nav-dropdown__trigger,.nav-dropdown:focus-within .nav-dropdown__trigger{color:var(--primary-blue)}.nav-dropdown__chevron{transition:transform .18s}.nav-dropdown:hover .nav-dropdown__chevron,.nav-dropdown:focus-within .nav-dropdown__chevron,.nav-dropdown__trigger[aria-expanded=true] .nav-dropdown__chevron{transform:rotate(180deg)}.nav-dropdown__menu{background:var(--bg-light);border:1px solid var(--border-color);opacity:0;visibility:hidden;z-index:200;border-radius:12px;min-width:220px;margin:0;padding:8px;list-style:none;transition:opacity .18s,transform .18s,visibility 0s linear .18s;position:absolute;top:calc(100% + 8px);right:0;transform:translateY(-6px);box-shadow:0 12px 32px #0000001f}.nav-dropdown__menu:before{content:"";height:8px;position:absolute;top:-8px;left:0;right:0}.nav-dropdown:hover .nav-dropdown__menu,.nav-dropdown:focus-within .nav-dropdown__menu,.nav-dropdown__trigger[aria-expanded=true]+.nav-dropdown__menu{opacity:1;visibility:visible;transition-delay:0s;transform:translateY(0)}.nav-dropdown__menu a{color:var(--text-dark);border-radius:8px;align-items:center;gap:12px;min-height:0;padding:10px 12px;font-weight:500;text-decoration:none;display:flex}.nav-dropdown__menu a:hover,.nav-dropdown__menu a:focus-visible{color:var(--primary-blue);background:var(--bg-gray)}.nav-dropdown__icon{object-fit:cover;border-radius:8px;flex-shrink:0;width:32px;height:32px}footer{background-color:var(--text-dark);color:var(--text-light);text-align:center;margin-top:4rem;padding:2rem 0}.footer-content{flex-wrap:wrap;justify-content:center;align-items:center;gap:0 2rem;display:flex}.footer-links{flex-wrap:wrap;justify-content:center;gap:0 1.5rem;list-style:none;display:flex}.footer-links a{color:var(--text-light);min-height:var(--min-tap-area);align-items:center;display:inline-flex}.footer-links a:hover{color:var(--secondary-yellow)}main{flex:1 0 auto;width:100%;max-width:720px;margin:0 auto;padding:3rem 16px 0;font-size:1.0625rem;line-height:1.8}h1,h2,h3,h4{overflow-wrap:break-word;font-weight:600;line-height:1.3}h1{margin:0 0 .5rem;font-size:2rem}h2{margin:2.5rem 0 1rem;font-size:1.5rem}h3{margin:2rem 0 .75rem;font-size:1.25rem}.section-title{color:var(--primary-blue);text-align:center;margin-bottom:1rem;font-size:2.5rem}.lang-nav{text-align:center;margin-bottom:3rem}.lang-switch{font-size:.875rem}article a{text-underline-offset:.15em;text-decoration:underline}table{border-collapse:collapse;width:100%;font-size:.875rem;display:block;overflow-x:auto}th,td{border-bottom:1px solid var(--border-color);text-align:left;vertical-align:top;padding:8px 10px}th{color:var(--text-muted);font-weight:600}.nowrap{white-space:nowrap}.meta{background:var(--bg-gray);border:1px solid var(--border-color);border-radius:8px;margin:1.5rem 0 2rem;padding:16px 20px;font-size:.9375rem}.meta dt{color:var(--text-muted);font-size:.8125rem;font-weight:600}.meta dd{margin:0 0 10px}.meta dd:last-child{margin-bottom:0}.muted{color:var(--text-muted);font-size:.875rem}pre{background:var(--bg-gray);border:1px solid var(--border-color);border-radius:8px;padding:12px 16px;font-size:.875rem;line-height:1.6;overflow-x:auto}@media (width<=768px){.nav-links{gap:1rem}.footer-content{text-align:center;flex-direction:column}.section-title{font-size:2rem}h1{font-size:1.75rem}}@media (width<=480px){header .logo span{display:none}header .logo .logo-image{height:32px;margin-right:0}header .nav-links{gap:.375rem}header .nav-dropdown__trigger,header .nav-links>li>a{font-size:.875rem}header .nav-dropdown{position:static}header .nav-dropdown__menu{min-width:0;left:1rem;right:1rem}}@media (width<=360px){header .container{padding:0 1rem}header .nav-dropdown__trigger,header .nav-links>li>a{font-size:.8125rem}header .nav-dropdown__trigger{gap:2px}}@media (prefers-reduced-motion:reduce){a,.nav-dropdown__chevron,.nav-dropdown__menu{transition:none}}