body {

    max-width: 540px;
    min-width: 320px;
    margin: 0 auto;
    font: normal 14px/1.5 tahoma, "Lucida Grande", Verdana, "Microsoft Yahei", STXihei, hei;
    color: #000;
    background: #f2f2f2;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

a {
    text-decoration: none;
}

div {
    box-sizing: border-box;
}

ul {
    margin: 0;
    padding: 0;
}

ul li {
    list-style: none;
}

/* 搜索框开始 */

.search-index {
    position: fixed;
    display: flex;
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
    width: 100%;
    max-width: 540px;
    min-width: 320px;
    height: 44px;
    background-color: #f6f6f6;
}


.search {
    position: relative;
    margin: 8px 10px;
    height: 25px;
    flex: 1;
    font-size: 12px;
    color: #666;
    padding-left: 30px;
    line-height: 23px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);



}

.search::before {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: url(../img/search.png) no-repeat;
    background-size: 18px auto;

}

.user {
    width: 44px;
    height: 44px;
    font-size: 12px;
    text-align: center;

}

.user::before {

    content: "";
    display: block;
    margin: 0 auto 0;
    width: 25px;
    height: 25px;
    background: url(../img/user.png) no-repeat;
    background-size: 25px;
}

/* 搜索栏结束 */
/* 焦点图开始 */

.focus img {
    margin-top: 44px;
    border-radius: 8px;
    width: 100%;
    height: 80px;
}

/* 焦点图烂尾 */
/* 上方导航栏开始 */

.local-nav {
    display: flex;
    height: 64px;
    background-color: skyblue;
    margin: 3px 4px;
    border-radius: 8;
}

.local-nav li {
    flex: 1;
}

header {
    background: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

.product-list {
    display: flex;
    flex-direction: column;
    padding: 10px;
}

.product {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 10px 0;
    padding: 10px;
    text-align: center;
}

.product img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

.product h2 {
    font-size: 1.2em;
    margin: 10px 0;
}

.product p {
    color: #555;
}

.product button {
    background: #28a745;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
}

.product button:hover {
    background: #218838;
}