:root{--navy:#0d1b3d;--bg:#f7f8fc;--fg:#0d1b3d;--muted:#5b6785;--card:#fff;--line:#e3e7f1;--grad:linear-gradient(135deg,#ff8a00,#e6007e)}
@media (prefers-color-scheme:dark){:root{--bg:#0a1430;--fg:#eef1fa;--muted:#a3adc8;--card:#122149;--line:#1f3166}}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,system-ui,sans-serif;background:var(--bg);color:var(--fg)}
a{color:#e6007e}.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.nav{display:flex;justify-content:space-between;align-items:center;padding-top:20px;padding-bottom:20px;flex-wrap:wrap;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--fg);text-decoration:none}.brand img{border-radius:8px}
.nav nav{display:flex;gap:20px;flex-wrap:wrap}.nav nav a{color:var(--fg);text-decoration:none;opacity:.8}.nav nav a:hover{opacity:1}

.hero{text-align:center;padding-top:48px;padding-bottom:64px}.appicon{filter:drop-shadow(0 20px 40px rgba(230,0,126,.3))}
h1{font-size:clamp(32px,5vw,56px);line-height:1.1;margin:24px auto 16px;max-width:820px;letter-spacing:-.02em}
.hero h1{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:20px;color:var(--muted);max-width:720px;margin:0 auto 28px}
.btn{display:inline-block;background:var(--grad);color:#fff;padding:14px 28px;border-radius:12px;font-weight:600;text-decoration:none;box-shadow:0 8px 24px rgba(230,0,126,.3)}
.muted{color:var(--muted)}.small{font-size:14px;margin-top:16px}
h2{font-size:30px;text-align:center;margin:0 0 28px}.page h2{text-align:left;font-size:22px;margin:28px 0 8px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:64px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:12px}.card h3{margin:8px 0}.card p{color:var(--muted);margin:0}
.ico{width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;margin-bottom:12px;box-shadow:0 6px 18px rgba(230,0,126,.22)}.ico svg{width:24px;height:24px}.band{text-align:center;background:var(--navy);color:#fff;border-radius:20px;padding:48px 24px;margin-bottom:64px}.band .lead,.band p{color:#c6cde3}
.page{max-width:780px;padding-bottom:48px}.page h1{margin-top:24px}.page .lead{margin-left:0}
details summary{cursor:pointer;font-weight:600}details p{margin-top:10px!important}.page .band h2{text-align:center}
.foot{border-top:1px solid var(--line);padding-top:24px;padding-bottom:40px;font-size:14px;text-align:center}

.langsw{position:relative}.langsw summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:14px;font-weight:600}.langsw summary::-webkit-details-marker{display:none}.langsw[open] summary svg{transform:rotate(180deg)}
.langmenu{position:absolute;right:0;top:calc(100% + 6px);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:4px;min-width:160px;box-shadow:0 10px 30px rgba(13,27,61,.18);z-index:20}.langmenu a{display:flex;gap:8px;padding:8px 10px;border-radius:6px;font-size:14px;color:var(--fg);text-decoration:none}.langmenu a:hover{background:var(--line)}.langmenu a.on{font-weight:700}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px}.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px}.foot-links a,.legal a{color:var(--muted)}.foot{text-align:left}.legal{font-size:13px}
@media(max-width:640px){.foot-top{flex-direction:column;align-items:flex-start}}