@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;700;900&family=Noto+Sans+Thai:wght@400;600;700&display=swap');

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:'Zen Maru Gothic','Noto Sans Thai',sans-serif;
  min-height:100vh;
  background: linear-gradient(135deg,#ffd6f6,#ffe8fb,#e6f0ff);
  background-size: 200% 200%;
  animation: bgMove 8s ease infinite;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  color:#4a2a44;
}

@keyframes bgMove{
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}

.con{
  width:100%;
  max-width:720px;
  backdrop-filter: blur(16px);
  background: rgba(255,255,255,0.55);
  border:1px solid rgba(255,255,255,0.3);
  border-radius:24px;
  padding:32px;
  box-shadow: 0 20px 50px rgba(255,100,200,0.25);
  transition:.3s;
}

.con:hover{
  transform: translateY(-4px);
  box-shadow: 0 30px 70px rgba(255,100,200,0.35);
}

.bk{
  display:inline-flex;
  align-items:center;
  gap:6px;
  text-decoration:none;
  font-size:.85rem;
  font-weight:700;
  padding:10px 16px;
  border-radius:999px;
  background: linear-gradient(135deg,#ff7bd5,#ffb3ec);
  color:white;
  box-shadow: 0 5px 15px rgba(255,120,200,.4);
  transition:.25s;
}

.bk:hover{
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 10px 25px rgba(255,120,200,.6);
}

h1{
  font-size:1.9rem;
  font-weight:900;
  margin-top:20px;
  background: linear-gradient(90deg,#ff4ecb,#ff9de6);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.up{
  font-size:.8rem;
  margin-bottom:20px;
  opacity:.7;
}

h2{
  margin-top:24px;
  font-size:1.05rem;
  padding-left:10px;
  border-left:4px solid #ff7bd5;
  font-weight:900;
}

p,li{
  font-size:.92rem;
  line-height:1.8;
  opacity:.85;
}

ul{
  padding-left:20px;
}

code{
  background: rgba(255,120,200,.15);
  padding:3px 8px;
  border-radius:8px;
  color:#ff3fa8;
}

.fd{
  text-align:center;
  margin-top:30px;
  font-size:.75rem;
  opacity:.6;
}

/* smooth fade in */
.con{
  animation: fade .6s ease;
}

@keyframes fade{
  from{
    opacity:0;
    transform:translateY(10px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}