/* ================================
   QUANTAPS • YouTube Guide Style v1
   ================================ */

.yt-wrap{
  max-width:900px;
  margin:0 auto;
  padding:20px 20px 80px;
  font-family:Inter,system-ui,-apple-system,sans-serif;
  color:#111;
}

.yt-hero{
  background:linear-gradient(135deg,#ff0000,#d10000);
  padding:40px 30px;
  border-radius:26px;
  color:#fff;
  text-align:center;
  margin-bottom:30px;
  box-shadow:0 20px 40px rgba(255,0,0,0.25);
  backdrop-filter:blur(12px);
}

.yt-hero-icon{
  font-size:64px;
  margin-bottom:10px;
}

.yt-hero-title{
  font-size:clamp(28px,3vw,42px);
  font-weight:900;
  margin-bottom:14px;
}

.yt-hero-desc{
  font-size:18px;
  opacity:0.95;
  line-height:1.6;
}

/* BOX */
.yt-box{
  background:rgba(255,255,255,0.8);
  backdrop-filter:blur(12px);
  border-radius:22px;
  padding:28px;
  margin-bottom:28px;
  border:1px solid rgba(0,0,0,0.08);
}

.yt-box h2{
  font-size:24px;
  font-weight:800;
  margin-bottom:16px;
  color:#cc0000;
}

.yt-list{
  padding-left:20px;
  line-height:1.7;
  margin-top:16px;
}

.yt-list li{
  margin-bottom:8px;
}

.yt-note{
  background:#ffe5e5;
  border-left:6px solid #ff0000;
  padding:14px 18px;
  border-radius:10px;
  margin:18px 0;
  font-weight:600;
  color:#840000;
}

.yt-code{
  background:#f7f7f7;
  border:1px solid #ddd;
  padding:12px 14px;
  border-radius:10px;
  margin:18px 0;
  font-size:15px;
  font-family:monospace;
}

/* ALT BOX */
.yt-alt{
  background:rgba(255,245,245,0.75);
}

/* CTA */
.yt-cta{
  text-align:center;
  margin-top:40px;
  background:linear-gradient(135deg,#d10000,#ff0000);
  padding:34px 22px;
  border-radius:24px;
  color:#fff;
  box-shadow:0 20px 40px rgba(255,0,0,0.25);
}

.yt-btn{
  display:inline-block;
  margin-top:18px;
  background:#fff;
  color:#d10000;
  padding:14px 24px;
  border-radius:14px;
  font-size:18px;
  font-weight:700;
  text-decoration:none;
  box-shadow:0 10px 20px rgba(0,0,0,0.25);
  transition:0.2s;
}

.yt-btn:hover{
  transform:translateY(-3px);
}