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

body{
    font-family:Arial,Helvetica,sans-serif;
    background:#f7f9fc;
    color:#233548;
}

.header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 50px;
}

.logo{
    height:60px;
}

.signin{
    padding:10px 22px;
    border:1px solid #0b6efd;
    border-radius:8px;
    background:white;
    color:#0b6efd;
    cursor:pointer;
    font-weight:600;
}

.main{
    max-width:1200px;
    margin:auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:30px 40px;
}

.left{
    width:38%;
    text-align:center;
}

.left img{
    width:320px;
    max-width:100%;
}

.right{
    width:55%;
}

.welcome{
    font-size:34px;
    color:#444;
}

.title{
    font-size:64px;
    font-weight:700;
    line-height:1;
}

.title span{
    color:#1CB8EA;
}

.subtitle{
    margin-top:10px;
    color:#555;
    font-size:22px;
}

.join-box{
    background:white;
    margin-top:25px;
    padding:25px;
    border-radius:12px;
    box-shadow:0 3px 12px rgba(0,0,0,.08);
}

.join-label{
    margin-bottom:10px;
    font-size:14px;
    color:#666;
}

.join-row{
    display:flex;
}

.join-row input{
    flex:1;
    padding:14px;
    border:1px solid #d7d7d7;
    border-radius:8px 0 0 8px;
    font-size:16px;
}

.join-row button{
    width:170px;
    border:none;
    background:#0b6efd;
    color:white;
    font-size:16px;
    border-radius:0 8px 8px 0;
    cursor:pointer;
}

.features{
    display:flex;
    justify-content:center;
    gap:20px;
    margin-top:40px;
    flex-wrap:wrap;
}

.feature{
    flex:1;
    font-size:14px;
}

.feature .icon{
    font-size:30px;
    margin-bottom:8px;
}

.feature-title{
    font-size:14px;
    font-weight:600;
}

.feature-desc{
    display:none;
}

@media(max-width:900px){

    .main{
        flex-direction:column;
    }

    .left,
    .right{
        width:100%;
    }

    .right{
        margin-top:30px;
    }

    .title{
        font-size:46px;
    }
}

.icon i{
    font-size:32px;
    color:#1CB8EA;
}

.footer-note{
    background:#edf5ff;
    text-align:center;
    padding:12px;
    margin-top:20px;
    color:#0b6efd;
    font-size:14px;
    width:100%;
    box-sizing:border-box;
}