* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: system-ui, sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.65;
}
/* 顶部Banner */
.site-banner {
    background:#FF6B35;
    color:#999;
    padding:10px 10px;
}
.site-banner h2 {
  font-family: 'ZCOOL KuaiLe', 'Comic Sans MS', cursive;
  font-weight: 200;
  color: #FFF; /* 建议配个活泼点的颜色 */
}
.site-banner small {
    opacity:0.85;
    font-size:13px;
}

/* 导航栏容器 */
.nav-wrap {
    background:#ffffff;
    border-bottom:1px solid #ddd;
    position:sticky;
    top:0;
    z-index:99;
}
/* 汉堡按钮 手机才显示 */
.menu-toggle {
    display:none;
    background:none;
    border:none;
    font-size:18px;
    padding:12px 16px;
    width:100%;
    text-align:left;
    cursor:pointer;
}
.nav-list {
    display:flex;
    flex-wrap:wrap;
    list-style:none;
    max-width:900px;
    margin:0 auto;
}
.nav-list li a {
    display:block;
    padding:11px 16px;
    color:#2258a8;
    text-decoration:none;
    border-right:1px solid #eee;
}
.nav-list li a.active {
    background:#e8f0fc;
    color:#2b60b0;
}

/* 主内容 */
.main-wrap {
    max-width:900px;
    margin:0 auto;
    padding:18px 16px;
}
.card {
    background:#fff;
    border-radius:8px;
    padding:18px;
    margin-bottom:14px;
    box-shadow:0 1px 3px rgba(0,0,0,0.08);
}
.card ul li a {
    text-decoration: none;      /* 去下划线 */
    color: #0066cc;                /* 默认颜色 */
    transition: color 0.3s;     /* 平滑过渡动画（可选） */
}

.card ul li a:hover {
    color: #f39c12;             /* 悬浮变色 */
}
/* 列表页 */
.article-list .item {
    padding:14px 0;
    border-bottom:1px solid #eee;
}
.article-list .item:last-child{border-bottom:none;}
.article-list a {
    font-size:16px;
    color:#2258a8;
    text-decoration:none;
}
.article-list a:hover {
    color:#f39c12;
}
.article-list .desc {
    font-size:13px;
    color:#777;
    margin-top:4px;
}

/* 详情页 */
.article-title {
    font-size:21px;
    margin-bottom:10px;
}
.article-meta {
    font-size:13px;
    color:#888;
    margin-bottom:18px;
}
.article-content p {
    margin-bottom:1em;
}

.footer {
    text-align:center;
    padding:22px 10px;
    font-size:13px;
    color:#888;
}

/* =====手机适配===== */
@media(max-width:720px){
    .menu-toggle {
        display:block;
    }
    .nav-list {
        display:none;
        flex-direction:column;
    }
    .nav-list.show {
        display:flex;
    }
    .nav-list li a {
        border-right:none;
        border-bottom:1px solid #eee;
    }
}