body{

margin:0;

font-family:
"Microsoft YaHei",
sans-serif;

background:
linear-gradient(
135deg,
#06243a,
#087080
);

color:white;

}


.container{

width:80%;

max-width:900px;

margin:60px auto;

text-align:center;

}


h1{

font-size:48px;

}


textarea{

width:100%;

height:300px;

border-radius:15px;

padding:20px;

font-size:18px;

margin-top:30px;

}


button{

margin-top:30px;

padding:18px 50px;

border:none;

border-radius:40px;

font-size:20px;

cursor:pointer;

}


.result{

margin-top:40px;

background:
rgba(255,255,255,.15);

padding:30px;

border-radius:20px;

text-align:left;

}


pre{

white-space:pre-wrap;

font-size:16px;

line-height:1.8;

}