:root{
  --red:#c53a2e;--text:#222;--muted:#718096;--green:#27ae60;
  --blue:#155ff7;--amber:#f59e0b;--line:#e5e7eb;--max:780px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}
a{text-decoration:none}
.top{background:var(--red);color:#fff;text-align:center;padding:9px 14px;font-weight:900;letter-spacing:2.5px}
.meta{max-width:var(--max);margin:12px auto 8px;color:var(--muted);font-size:13px;padding:0 16px}
main{max-width:900px;margin:auto;padding:0 16px 84px;text-align:center}
h1{max-width:var(--max);margin:0 auto 12px;font-size:clamp(29px,4vw,42px);line-height:1.06;letter-spacing:-.8px;font-weight:900;color:#111827}
.red{color:#e52525}
.video{display:block;max-width:var(--max);margin:0 auto 10px;background:#000;border-radius:8px;overflow:hidden;position:relative;box-shadow:0 10px 30px rgba(0,0,0,.1);contain:layout paint}
.video img{display:block;width:100%;height:auto}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:82px;height:58px;border-radius:15px;background:rgba(33,33,33,.84);pointer-events:none;transition:transform .16s ease,background .16s ease;box-shadow:0 4px 18px rgba(0,0,0,.28)}
.play:after{content:"";position:absolute;left:34px;top:15px;border-top:14px solid transparent;border-bottom:14px solid transparent;border-left:23px solid #fff}
.video:hover .play{background:#f00;transform:translate(-50%,-50%) scale(1.04)}
.warning{max-width:var(--max);margin:0 auto 14px;padding:12px 16px;border:1px solid var(--amber);background:#fff8e6;border-radius:7px;text-align:left;font-size:15px}
.cta{display:inline-flex;align-items:center;justify-content:center;width:100%;max-width:520px;margin:0 auto 22px;padding:15px 22px;border-radius:8px;background:var(--green);color:#fff;font-size:18px;font-weight:900;line-height:1.15;box-shadow:0 8px 20px rgba(39,174,96,.22)}
.content{max-width:var(--max);margin:auto;text-align:left;font-size:18px;line-height:1.62;color:#2d3748}
.content p{margin:0 0 16px}
.highlight{background:#ffe75a;padding:1px 4px;font-weight:700}
.blue{display:inline-flex;align-items:center;justify-content:center;width:100%;max-width:520px;margin:8px auto 22px;padding:15px 22px;background:var(--blue);color:#fff;border-radius:8px;font-size:22px;font-weight:900;line-height:1.15;box-shadow:0 8px 20px rgba(21,95,247,.18)}
.disclaimer{max-width:var(--max);margin:30px auto 0;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:#777;text-align:left}
.progress{position:fixed;left:0;top:0;height:3px;width:0;background:#111;z-index:100}
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:8px max(12px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:rgba(255,255,255,.95);border-top:1px solid rgba(0,0,0,.08);backdrop-filter:blur(10px);display:none}
.sticky a{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:8px;background:var(--green);color:#fff;font-weight:900;font-size:17px}
.card{max-width:760px;margin:24px auto;padding:22px;border:1px solid var(--line);border-radius:12px;text-align:left;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.05)}
.card h2{margin:0 0 8px;font-size:24px}
.card p{margin:0 0 12px}
.nav{max-width:760px;margin:0 auto;padding:18px 16px;display:flex;justify-content:space-between;gap:16px}
.nav a{color:#155ff7;font-weight:700}
@media(max-width:600px){
  .top{padding:8px 12px;font-size:14px}.meta{margin:9px auto 6px;padding:0 12px}
  main{padding:0 11px 90px}h1{font-size:28px;margin-bottom:9px}
  .content{font-size:17px;line-height:1.56}.warning{font-size:14px;padding:11px 13px}
  .cta{font-size:17px}.blue{font-size:19px}.sticky{display:block}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}