:root{--bg: #0b1020;--bg-card: #131a30;--border: #26304f;--text: #dde4f5;--text-dim: #93a0c4;--accent: #4f8ef7;--accent-2: #7c5cff}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:radial-gradient(1200px 600px at 70% -10%,#1a2340 0%,var(--bg) 55%);color:var(--text);min-height:100vh;display:flex;flex-direction:column;position:relative}body:before,body:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-repeat:repeat}body:before{background-image:radial-gradient(1.2px 1.2px at 25px 35px,#cdd9f7 50%,transparent 100%),radial-gradient(1px 1px at 160px 120px,#8fa3d8 50%,transparent 100%),radial-gradient(1.4px 1.4px at 310px 60px,#e6ecff 50%,transparent 100%),radial-gradient(1px 1px at 420px 210px,#93a0c4 50%,transparent 100%),radial-gradient(1.1px 1.1px at 90px 250px,#cdd9f7 50%,transparent 100%),radial-gradient(1.3px 1.3px at 530px 150px,#aebfe8 50%,transparent 100%);background-size:600px 320px;opacity:.7}body:after{background-image:radial-gradient(1.8px 1.8px at 70px 80px,#ffffff 50%,transparent 100%),radial-gradient(1.6px 1.6px at 300px 220px,#dbe6ff 50%,transparent 100%),radial-gradient(2px 2px at 480px 40px,#f4f7ff 50%,transparent 100%);background-size:700px 380px;opacity:.5;animation:twinkle 5s ease-in-out infinite alternate}@keyframes twinkle{0%{opacity:.25}to{opacity:.65}}@media(prefers-reduced-motion:reduce){body:after{animation:none}}main,footer.site{position:relative;z-index:1}header.site{position:relative;z-index:50}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header.site{border-bottom:1px solid var(--border);padding:.8rem 1.2rem;display:flex;flex-wrap:wrap;gap:.8rem 1.5rem;align-items:center}header.site .logo{font-weight:700;font-size:1.15rem;color:var(--text)}header.site .logo span{color:var(--accent)}header.site .logo:hover{text-decoration:none;text-shadow:0 0 12px rgba(79,142,247,.6)}nav.main{display:flex;flex-wrap:wrap;gap:.3rem;font-size:.95rem;align-items:center}nav.main .nav-trigger,nav.main .nav-link{display:inline-flex;align-items:center;gap:.3rem;padding:.35rem .8rem;border-radius:999px;color:var(--text-dim);border:1px solid transparent;background:transparent;font:inherit;font-size:.95rem;cursor:pointer;white-space:nowrap}nav.main .nav-trigger:hover,nav.main .nav-link:hover,nav.main .nav-group:hover .nav-trigger,nav.main .nav-group:focus-within .nav-trigger{color:var(--text);text-decoration:none;border-color:var(--border)}nav.main .nav-group.active .nav-trigger,nav.main .nav-link.active{color:#fff;background:linear-gradient(135deg,#4f8ef740,#7c5cff40);border-color:var(--accent)}nav.main .caret{font-size:.7em;opacity:.8;transition:transform .15s}nav.main .nav-group:hover .caret,nav.main .nav-group:focus-within .caret{transform:rotate(180deg)}nav.main .nav-group{position:relative}nav.main .nav-group:after{content:"";position:absolute;top:100%;left:0;width:14rem;max-width:80vw;height:.5rem;opacity:0;pointer-events:none}nav.main .nav-group:hover:after,nav.main .nav-group:focus-within:after{opacity:1;pointer-events:auto}nav.main .nav-panel{position:absolute;top:calc(100% + .4rem);left:0;min-width:14rem;max-width:min(22rem,calc(100vw - 1.6rem));display:flex;flex-direction:column;gap:.1rem;padding:.4rem;background:#161d38;border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 28px #040816b3;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .12s,transform .12s,visibility .12s;z-index:30}nav.main .nav-group:hover .nav-panel,nav.main .nav-group:focus-within .nav-panel{opacity:1;visibility:visible;transform:translateY(0)}nav.main .nav-panel a{padding:.4rem .6rem;border-radius:7px;color:var(--text-dim);white-space:normal;line-height:1.3}nav.main .nav-panel a:hover{color:var(--text);text-decoration:none;background:#4f8ef724}.lang{margin-left:auto;font-size:.85rem;color:var(--text-dim)}main{flex:1;width:min(960px,100% - 2.4rem);margin:0 auto;padding:1.6rem 0 3rem}h1{font-size:1.7rem;line-height:1.25}.card{background:color-mix(in srgb,var(--bg-card) 88%,transparent);border:1px solid var(--border);border-radius:10px;padding:1rem 1.2rem;margin:.6rem 0;backdrop-filter:blur(2px)}a.card{display:block;color:var(--text);transition:border-color .15s,transform .15s,box-shadow .15s}a.card:hover{text-decoration:none;border-color:var(--accent);transform:translateY(-2px);box-shadow:0 6px 18px #14286473}a.card strong{color:var(--accent)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.8rem}.muted{color:var(--text-dim)}input,select,button{background:#0e1530;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.35rem .5rem;font:inherit;font-size:.9rem}input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}input[type=checkbox]{accent-color:var(--accent)}button{cursor:pointer}label{color:var(--text-dim)}fieldset{border-color:var(--border)!important}h2{border-bottom:1px solid var(--border);padding-bottom:.3rem;font-size:1.2rem}table th{color:var(--text-dim);font-weight:600}footer.site{border-top:1px solid var(--border);padding:1rem 1.2rem;font-size:.85rem;color:var(--text-dim);text-align:center}