*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif;}
body{background:#f4f6f9;color:#333;line-height:1.8;}
header{
background:#2563eb;
color:#fff;
padding:25px;
text-align:center;
box-shadow:0 2px 8px rgba(0,0,0,.2);
}
.container{
max-width:1000px;
margin:30px auto;
background:#fff;
padding:35px;
border-radius:10px;
box-shadow:0 0 15px rgba(0,0,0,.08);
}
h1,h2{
color:#fff;
margin-bottom:15px;
}
h2{
color: black;
margin-top:35px;
border-left:5px solid #2563eb;
padding-left:10px;
}
p{
margin-bottom:1px;
text-align:justify;
}
ul{
margin-left:25px;
margin-bottom:20px;
}
li{
margin-bottom:10px;
}
.notice{
background:#fff4d5;
border-left:5px solid orange;
padding:15px;
margin:20px 0;
}
.warning{
background:#fff4d5;
border-left:5px solid orange;
padding:15px;
margin:20px 0;
}
.danger{
background:#ffe5e5;
border-left:5px solid red;
padding:15px;
margin:20px 0;
}
.red{
    color:red;
}
footer{
margin-top:40px;
padding:20px;
background:#111827;
color:#fff;
text-align:center;
}
.nav{
    max-width:1200px;
    margin:auto;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px;
}

.logo{
    font-size:28px;
    font-weight:bold;
    color:#2563eb;
}

.menu{
    display:flex;
    list-style:none;
}

.menu li{
    margin-left:25px;
}

.menu a{
    text-decoration:none;
    color:#333;
    font-weight:bold;
    transition:.3s;
}

.menu a:hover{
    color:#2563eb;
}


.menu-toggle{
    display:none;
    font-size:30px;
    cursor:pointer;
    color:#2563eb;
    user-select:none;
}

@media(max-width:768px){

.nav{
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
}

.menu-toggle{
    display:block;
}

.menu{
    display:none;
    flex-direction:column;
    width:40%;
    background:#fff;
    position:absolute;
    top:90px;
    left:53.2%;
    box-shadow:0 5px 10px rgba(0,0,0,.15);
    padding:5px 0;
    border-radius:5px;
}

.menu.show{
    display:flex;
}

.menu li{
    margin:12px 0;
    text-align:center;
}
}