#tianyi{
    margin: 0 5px;
}
#title{
    color: white;
    font-weight: 600;
    font-size: 30px;
}
/* 这块是用AI写的，还没看懂，先留着注释（整个title-wrap都是用AI写的） */
.title-wrap{
    background: #66ccff;
    font-weight: normal;
    padding: 2px 6px;
    display: flex;
    align-items: center;
    /* sticky固定顶部 */
    position: sticky;
    top: 0;
    z-index:999;
    box-sizing: border-box;
}
.nav-left{
    flex: 1;
    /* 左边留出一点内边距，实现标题不贴死边框 */
    padding-left: 8px;
}
.nav-left ul{
    list-style: none;
    margin:0;
    padding:0;
    display: flex;
    align-items: center; /* 解决30px和20px字号垂直错位 */
    gap:16px;
}
/* 中间搜索盒子 */
.search-center{
    flex:1;
    display:flex;
    justify-content:center;
    align-items:center;
    /* 给搜索组件增加上下外边距，留出上下空白 */
    margin:2px 0;
}
.search-form{
    margin:0;
}
.search-wrapper{
    display:flex;
    align-items:center;
    gap:8px;
    background:#ffffff;
    border:2px solid #ffffff;
    border-radius:10px;
    /* 进一步缩小组件内部上下padding，让搜索块本身高度更小 */
    padding:0 10px;
}
.search-wrapper input[type="text"] {
    flex:1;
    font-size: 20px;
    border: none;
    outline: none;
    background:transparent;
    padding: 2px 6px;
    border-radius:6px;
}
.search-wrapper input[type="text"]:focus {
    background-color:#e8e9eb;
}
.search-wrapper input[type="text"]::placeholder {
    font-size: 20px;
    color:#888888;
}
.search-btn{
    font-size:20px;
    padding:2px 10px;
    border:none;
    background:#ffffff;
    color:#66ccff;
    border-radius:6px;
    cursor:pointer;
}
.search-btn:hover{
    background:#eeeeee;
}
.nav-right{
    flex:1;
    padding-right:8px;
    display:flex;
    justify-content:flex-end;
}
.yeMian{
    color: rgba(0, 0, 0, 0.6);
    font-weight: 600;
    font-size: 20px;
    text-decoration: none;
}
.yeMian:hover{
    color: blue;
    font-size: 20px;
    text-decoration: none;
}
.headerText{
    color: rgba(0, 0, 0, 0.6);
    font-weight: 600;
    font-size: 20px;
}