:root{
    --primary:#194f90;
    --accent:#f0b429;
    --light:#f6f8fb;
    --text:#222;
}
*{box-sizing:border-box}
body{
    margin:0;
    font-family:Arial, Helvetica, sans-serif;
    color:var(--text);
    background:#fff;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.topbar{
    background:#113b6d;
    color:#fff;
    padding:10px 0;
    font-size:14px;
}
.container{
    width:1120px;
    max-width:94%;
    margin:0 auto;
}
.header{
    padding:24px 0;
    border-bottom:1px solid #e4e8ef;
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
}
.logo{
    display:flex;
    gap:14px;
    align-items:center;
}
.logo-box{
    width:100px;
    height:58px;
    background:var(--primary);
    border-radius:10px;
    color:white;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:bold;
    font-size:22px;
}
.logo h1{
    margin:0;
    font-size:23px;
}
.logo p{
    margin:5px 0 0;
    color:#65758b;
}
.lang a{
    display:inline-block;
    padding:7px 10px;
    border:1px solid #d6dce6;
    border-radius:6px;
    margin-left:5px;
    color:#333;
}
.lang a.active{
    background:var(--primary);
    color:#fff;
    border-color:var(--primary);
}
.nav{
    background:var(--primary);
}
.nav a{
    color:#fff;
    display:inline-block;
    padding:14px 18px;
}
.hero{
    background:linear-gradient(90deg,#eef5ff,#ffffff);
    padding:36px 0;
}
.hero h2{
    margin:0 0 10px;
    font-size:32px;
}
.hero p{
    margin:0;
    color:#5b6b80;
    max-width:720px;
    line-height:1.6;
}
.search-box{
    margin-top:22px;
    display:flex;
    gap:10px;
}
.search-box input{
    flex:1;
    padding:13px;
    border:1px solid #cfd8e3;
    border-radius:7px;
    font-size:15px;
}
.btn{
    background:var(--primary);
    color:#fff;
    border:none;
    border-radius:7px;
    padding:12px 18px;
    font-size:15px;
    cursor:pointer;
    display:inline-block;
}
.btn.secondary{
    background:#eef2f7;
    color:#25364a;
}
.main{
    padding:34px 0;
}
.grid{
    display:grid;
    grid-template-columns:260px 1fr;
    gap:28px;
}
.sidebar{
    background:var(--light);
    border:1px solid #e1e7ef;
    border-radius:10px;
    padding:18px;
}
.sidebar h3{
    margin-top:0;
}
.year-list a{
    display:block;
    padding:9px 0;
    border-bottom:1px solid #e1e7ef;
}
.issue-card{
    display:grid;
    grid-template-columns:150px 1fr;
    gap:22px;
    border:1px solid #e1e7ef;
    border-radius:12px;
    padding:18px;
    margin-bottom:18px;
    background:#fff;
    box-shadow:0 4px 12px rgba(30,60,90,.05);
}
.cover{
    height:210px;
    border-radius:9px;
    background:linear-gradient(160deg,#1b5699,#85b7e8);
    color:#fff;
    padding:18px;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
}
.cover small{opacity:.9}
.meta{
    color:#66778c;
    margin:7px 0;
}
.tags span{
    display:inline-block;
    background:#edf3fa;
    border:1px solid #d7e2ef;
    padding:5px 9px;
    border-radius:20px;
    margin:4px 4px 4px 0;
    font-size:13px;
}
.article-list{
    border:1px solid #e1e7ef;
    border-radius:10px;
    overflow:hidden;
}
.article-item{
    padding:18px;
    border-bottom:1px solid #e1e7ef;
}
.article-item:last-child{border-bottom:0}
.article-item h3{
    margin:0 0 8px;
    font-size:19px;
}
.article-meta{
    color:#6b7b90;
    font-size:14px;
    line-height:1.7;
}
.article-page{
    display:grid;
    grid-template-columns:1fr 280px;
    gap:28px;
}
.panel{
    border:1px solid #e1e7ef;
    border-radius:10px;
    padding:20px;
    background:#fff;
}
.form-row{
    margin-bottom:14px;
}
.form-row label{
    display:block;
    font-weight:bold;
    margin-bottom:6px;
}
.form-row input,.form-row textarea,.form-row select{
    width:100%;
    padding:11px;
    border:1px solid #cfd8e3;
    border-radius:7px;
}
.form-row textarea{min-height:90px}
.footer{
    background:#142c46;
    color:#fff;
    padding:24px 0;
    margin-top:40px;
}
@media(max-width:800px){
    .grid,.article-page,.issue-card{
        grid-template-columns:1fr;
    }
    .header-inner{display:block}
    .lang{margin-top:15px}
}