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

body{
    background:#0f172a;
    font-family:"Microsoft YaHei";
    color:white;
}

.about-container{
    width:1200px;
    margin:auto;
    padding:50px 0;
}

.profile{
    text-align:center;
    margin-bottom:40px;
}

.profile img{
    width:180px;
    height:180px;
    border-radius:50%;
    border:5px solid #38bdf8;
    object-fit:cover;
}

.profile h1{
    margin-top:20px;
    font-size:40px;
}

.profile h3{
    color:#38bdf8;
    margin-top:10px;
}

.card{
    background:#1e293b;
    margin-bottom:25px;
    padding:30px;
    border-radius:15px;
    transition:0.4s;
}

.card:hover{
    transform:translateY(-8px);
    box-shadow:0 10px 30px rgba(56,189,248,.3);
}

.card h2{
    color:#38bdf8;
    margin-bottom:20px;
}

.skill{
    margin-bottom:20px;
}

.progress{
    width:100%;
    height:20px;
    background:#334155;
    border-radius:20px;
    overflow:hidden;
}

.bar{
    height:100%;
}

.html{
    width:95%;
    background:#38bdf8;
}

.css{
    width:90%;
    background:#38bdf8;
}

.js{
    width:85%;
    background:#38bdf8;
}

.ui{
    width:92%;
    background:#38bdf8;
}

.project{
    margin-bottom:20px;
}

.project h3{
    margin-bottom:10px;
    color:#67e8f9;
}

header{
    display:flex;
    justify-content:space-between;
    padding:20px 60px;
    background:#111827;
    position:sticky;
    top:0;
}

.logo{
    font-size:22px;
    font-weight:bold;
    color:#38bdf8;
}

nav a{
    color:white;
    margin-left:20px;
    text-decoration:none;
}

nav a:hover,
nav .active{
    color:#38bdf8;
}