:root{--y:#ffc400;--ys:#fff7d6;--b:#111;--bd:#f0d36a;--txt:#191919}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{font-family:Tahoma,Arial,sans-serif;margin:0;background:#fffdf5;color:var(--txt);line-height:1.78}
a{color:#111;font-weight:800;text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:auto;padding:22px}.topbar{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid #eee;box-shadow:0 4px 18px rgba(0,0,0,.04)}
.nav{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px}.logo{width:46px;height:46px;border-radius:14px;object-fit:contain;background:#ffc928}
.menu,.links{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.menu a{font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#111;color:#ffd84d!important;padding:13px 20px;border-radius:999px;text-decoration:none;font-weight:900;border:0;cursor:pointer;box-shadow:0 10px 20px rgba(0,0,0,.08)}
.btn.yellow{background:#ffc400;color:#111!important;border:2px solid #111}.btn.light{background:#fff;color:#111!important;border:2px solid #111}.btn.white{background:#fff;color:#111!important}
.hero{background:linear-gradient(135deg,#fff9dd,#ffc400);border:1px solid #f2cf45;border-radius:34px;margin:28px 0;padding:44px 34px;display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;overflow:hidden}
.badge{display:inline-flex;background:#111;color:#ffd84d;padding:8px 14px;border-radius:999px;font-weight:900;margin-bottom:14px}
h1{font-size:42px;line-height:1.12;margin:0 0 16px;letter-spacing:-.4px}h2{font-size:29px;line-height:1.25;margin:0 0 14px}h3{font-size:22px;margin:20px 0 8px}.lead{font-size:18px;color:#333;margin:0 0 18px}
.card{background:#fff;border:1px solid var(--bd);border-radius:26px;padding:28px;margin:24px 0;box-shadow:0 8px 24px rgba(0,0,0,.04)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:16px}
.feature{background:#fffaf0;border:1px solid var(--bd);border-radius:20px;padding:18px}.feature strong{font-size:18px}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.related a{background:#fff8db;border:1px solid var(--bd);border-radius:18px;padding:14px;text-decoration:none}
.related span{display:block;color:#555;font-size:14px;margin-top:6px}
.note{background:#fff8db;border-left:5px solid #ffc400;padding:14px;border-radius:14px}
.cta{background:#111;color:#fff;border-radius:28px;padding:28px;margin:24px 0;display:flex;justify-content:space-between;gap:18px;align-items:center}
.cta h2{color:#ffd84d;margin:0 0 8px}.cta p{margin:0;color:#f4f4f4}
.author{display:flex;gap:16px;align-items:center;background:#fff8db;border:1px solid var(--bd);border-radius:22px;padding:18px;margin:22px 0}.author-logo{width:58px;height:58px;border-radius:18px;background:#ffc400;display:flex;align-items:center;justify-content:center;font-weight:900}
details{background:#fff;border:1px solid #eee;border-radius:16px;margin:10px 0;padding:14px 16px}summary{font-weight:800;cursor:pointer}
.footer{background:#111;color:#fff;margin-top:42px;padding:36px 0}.footer a{color:#ffd84d}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:22px}.footer h3{color:#ffd84d;margin-top:0}.footer p{color:#eee}
.float{position:fixed;right:18px;bottom:94px;display:flex;flex-direction:column;gap:10px;z-index:90}.float a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#ffc400;color:#111!important;box-shadow:0 10px 24px rgba(0,0,0,.18);font-size:17px;text-decoration:none}
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:100;background:#111;padding:8px;gap:8px;box-shadow:0 -8px 22px rgba(0,0,0,.18)}.mobile-bar a{flex:1;text-align:center;background:#ffc400;color:#111!important;border-radius:12px;padding:10px 5px;font-weight:900;text-decoration:none;font-size:13px}
@media(max-width:920px){.nav{align-items:flex-start;flex-direction:column}.hero{grid-template-columns:1fr;padding:30px 18px;border-radius:24px}h1{font-size:32px}.cta{display:block}.footer-grid{grid-template-columns:1fr 1fr}.float{display:none}.mobile-bar{display:flex}body{padding-bottom:70px}.wrap{padding:14px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}