:root{--bg-light:#fff;--card:#fff;--muted:#86868b;--accent:#0071e3;--accent-hover:#0077ed;--text:#1d1d1f;--border:#d2d2d7}*{box-sizing:border-box;margin:0;padding:0}#__next,body,html{height:100%}html{font-size:16px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg-light);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}body:before{display:none}.container{max-width:740px;margin:0 auto;padding:80px 24px 100px;min-height:100vh;animation:fadeUp .8s cubic-bezier(.16,1,.3,1)}.card{background:transparent;border-radius:0;padding:0;box-shadow:none;border:none;-webkit-backdrop-filter:none;backdrop-filter:none}h1{font-size:2.5rem;font-weight:800;line-height:1.1;letter-spacing:-.02em;margin:0 0 16px}h1,h2,h3{color:var(--text)}h2,h3{margin-top:48px;margin-bottom:20px;font-weight:700;letter-spacing:-.01em}h2{font-size:2rem}h3{font-size:1.5rem;border-bottom:1px solid var(--border);padding-bottom:12px}p{margin:0 0 16px;line-height:1.7;color:#424245;font-size:1.1rem}ul{padding-left:0;margin:0 0 24px;list-style:none}li{position:relative;margin-bottom:16px;color:#424245;line-height:1.6;font-size:1.1rem}li strong{color:var(--text);font-weight:600}a{color:var(--accent);text-decoration:none;transition:opacity .2s ease;font-weight:500}a:hover{opacity:.8}.muted{color:var(--muted);font-size:1rem}.lang-switcher{position:fixed;top:24px;right:24px;padding:10px 20px;background:hsla(0,0%,100%,.8);border:1px solid rgba(0,0,0,.08);border-radius:100px;color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;z-index:100;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}.lang-switcher:hover{background:hsla(0,0%,100%,.9);transform:scale(1.02)}.lang-switcher:active{transform:scale(.98)}.en-text{display:none;color:var(--muted);font-size:13px;margin-top:2px}.show-en .en-text{display:block}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.container{padding:60px 24px 80px}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.35rem}li,p{font-size:1.05rem}.lang-switcher{top:16px;right:16px;padding:8px 16px;font-size:13px}}