.top_section {
    width: 100%;
    max-width: 1050px;
    margin: 30px auto;
    /* overflow: hidden; */
    height: 648px;
    border-bottom: 1px solid #ddd;
}
.left_nav {
    width: 200px;
    /* background: red; */
    float: left;
}
.nav_title {
    width: 100%;
    height: 100px;
    border: 3px solid #000;
    line-height: 92px;
    text-align: center;
    font-weight:900;
}
.left_nav li {
    padding: 5px 0px 5px 10px;
    position: relative;
}
.left_nav li:hover {
    background: #ddd;
}
.left_nav > ul:nth-of-type(1) {
    list-style: none;
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
}
.left_nav > ul:nth-of-type(1) > li {
    font-size: 13px;
    color: #000;
    /* font-weight: 900; */
    cursor: pointer;
}
.left_nav > ul:nth-of-type(1) > li:nth-child(1) {
    color: #d50c0c;
}
.left_nav > ul:nth-of-type(2) {
    padding: 20px 0;
}
.left_nav > ul:nth-of-type(2) > li {
    margin: 0 0 0 30px;
    font-size: 14px;
    color: #000;
    font-weight: 900;
    cursor: pointer;
}
.left_nav_pan {
    position: absolute;
    left: 100%;
    top: 0px;
    background: #fff;
    box-shadow: 0 0 0 1px #ddd;
    width: 200px;
    list-style: none;
    padding: 10px;
    color: #000;
    z-index: 9;
    display: none;
}

.location {
    width: calc(100% - 200px  - 0.01px);
    padding: 0 0 10px 20px;
    float: right;
    border-bottom: 1px solid #ddd;
    font-size: 13px;
}
.category {
    width: calc(100% - 200px  - 0.01px);
    padding: 20px 20px 10px 40px;
    float: right;
}
.category > p {
    font-size: 18px;
    font-weight: 900;
    float: left;
}
.category > ul {
    overflow: hidden;
    float: left;
    list-style: none;
}
.category li {
    float: left;
    padding: 6px 20px;
    font-size: 11px;
    color: #888;
    cursor: pointer;
    border-bottom: 1px solid transparent;
}
.category li:first-child {
    border-bottom: 1px solid #d50c0c;
    color: #d50c0c;
}
/* .category li:hover {
    color: #d50c0c;
    transition: all 0.5s;
} */

.best_item_container {
    width: calc(100% - 200px  - 0.01px);
    padding: 20px 20px 10px 40px;
    float: right;
}
.best_item {
    /* width: calc(100% - 200px  - 0.01px);
    padding: 20px 20px 10px 40px;
    float: right; */
}
.best_item:nth-of-type(2), .best_item:nth-of-type(3), .best_item:nth-of-type(4) {
    display: none;
}
.best_item li {
    width: calc((100% - (10px * 2)) / 3  - 0.01px);
    height: 400px;
    background: #f8f8f8;
    margin-right: 10px;
    float: left;
    list-style: none;
    text-align: center;
    padding: 20px;
    font-weight: 900;
}
.best_item li:last-child {
    margin-right: 0;
}
.item_img {
    width: 100%;
    height: 200px;
    margin: 10px 0;
    transition: all 0.3s;
}
.best_item:nth-child(1) li:nth-child(1) .item_img {
    background: url(../img/diary/B002493633-1.jpg) no-repeat center / cover;
}
.best_item:nth-child(1) li:nth-child(2) .item_img {
    background: url(../img/diary/B001849622-9.jpg) no-repeat center / cover;
}
.best_item:nth-child(1) li:nth-child(3) .item_img {
    background: url(../img/diary/B002383132.jpg) no-repeat center / cover;
}
.best_item:nth-child(1) li:nth-child(1) .item_img:hover {
    background: url(../img/diary/A002493633_01.jpg) no-repeat center / cover;
}
.best_item:nth-child(1) li:nth-child(2) .item_img:hover {
    background: url(../img/diary/A001849622_01-6.jpg) no-repeat center / cover;
}
.best_item:nth-child(1) li:nth-child(3) .item_img:hover {
    background: url(../img/diary/A002383132_01.jpg) no-repeat center / cover;
}


.best_item:nth-child(2) li:nth-child(1) .item_img {
    background: url(../img/diary/A002383132_01.jpg) no-repeat center / cover;
}
.best_item:nth-child(2) li:nth-child(2) .item_img {
    background: url(../img/diary/B002383132.jpg) no-repeat center / cover;
}
.best_item:nth-child(2) li:nth-child(3) .item_img {
    background: url(../img/diary/B002761328.jpg) no-repeat center / cover;
}
.best_item:nth-child(2) li:nth-child(1) .item_img:hover {
    background: url(../img/diary/B001849622-9.jpg) no-repeat center / cover;
}
.best_item:nth-child(2) li:nth-child(2) .item_img:hover {
    background: url(../img/diary/A002759895_01.jpg) no-repeat center / cover;
}
.best_item:nth-child(2) li:nth-child(3) .item_img:hover {
    background: url(../img/diary/A002757822_01.jpg) no-repeat center / cover;
}

.best_item:nth-child(3) li:nth-child(1) .item_img {
    background: url(../img/diary/A002761328_01.jpg) no-repeat center / cover;
}
.best_item:nth-child(3) li:nth-child(2) .item_img {
    background: url(../img/diary/B002757822-2.jpg) no-repeat center / cover;
}
.best_item:nth-child(3) li:nth-child(3) .item_img {
    background: url(../img/diary/A001849622_01-6.jpg) no-repeat center / cover;
}
.best_item:nth-child(3) li:nth-child(1) .item_img:hover {
    background: url(../img/diary/B001849622-9.jpg) no-repeat center / cover;
}
.best_item:nth-child(3) li:nth-child(2) .item_img:hover {
    background: url(../img/diary/A002759895_01.jpg) no-repeat center / cover;
}
.best_item:nth-child(3) li:nth-child(3) .item_img:hover {
    background: url(../img/diary/A002757822_01.jpg) no-repeat center / cover;
}


.best_item:nth-child(4) li:nth-child(1) .item_img {
    background: url(../img/diary/B002757822-2.jpg) no-repeat center / cover;
}
.best_item:nth-child(4) li:nth-child(2) .item_img {
    background: url(../img/diary/B002759895.jpg) no-repeat center / cover;
}
.best_item:nth-child(4) li:nth-child(3) .item_img {
    background: url(../img/diary/B002749022-1.jpg) no-repeat center / cover;
}
.best_item:nth-child(4) li:nth-child(1) .item_img:hover {
    background: url(../img/diary/B001849622-9.jpg) no-repeat center / cover;
}
.best_item:nth-child(4) li:nth-child(2) .item_img:hover {
    background: url(../img/diary/A002759895_01.jpg) no-repeat center / cover;
}
.best_item:nth-child(4) li:nth-child(3) .item_img:hover {
    background: url(../img/diary/A002757822_01.jpg) no-repeat center / cover;
}

.best_item p:nth-of-type(1), .bot_section p:nth-of-type(1) {
    text-decoration: underline;
    font-size: 12px;
    color: #888;
}
.best_item p:nth-of-type(2), .bot_section p:nth-of-type(2) {
    font-size: 13px;
}
.best_item a, .bot_section a {
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    margin: 5px 0;
    color: #000;
}
.best_item a:hover, .bot_section a:hover {
    text-decoration: underline;
}
.bot_section {
    width: 100%;
    max-width: 1050px;
    overflow: hidden;
    margin:30px auto;
    margin-top: 0;
}
.bot_section li {
    width: calc(100% / 4  - 0.01px);
    height: 400px;
    float: left;
    list-style: none;
    text-align: center;
    padding: 20px;
    font-weight: 900;
    border-bottom: 1px solid #ddd;
    border-right: 1px solid #ddd;
}
.bot_section li:nth-child(4n) {
    border-right: none;
}

.item_container:nth-child(2), .item_container:nth-child(3), .item_container:nth-child(4) {
    display: none;
}

.item_container:nth-child(1) li:nth-child(1) .item_img {
    background: url(../img/diary/B002091131-1.jpg) no-repeat center / cover;
}
.item_container:nth-child(1) li:nth-child(2) .item_img {
    background: url(../img/diary/B002749021-1.jpg) no-repeat center / cover;
}
.item_container:nth-child(1) li:nth-child(3) .item_img {
    background: url(../img/diary/B002759895.jpg) no-repeat center / cover;
}
.item_container:nth-child(1) li:nth-child(4) .item_img {
    background: url(../img/diary/B002761328.jpg) no-repeat center / cover;
}
.item_container:nth-child(1) li:nth-child(5) .item_img {
    background: url(../img/diary/B002757822-2.jpg) no-repeat center / cover;
}
.item_container:nth-child(1) li:nth-child(6) .item_img {
    background: url(../img/diary/A002757822_01.jpg) no-repeat center / cover;
}
.item_container:nth-child(1) li:nth-child(7) .item_img {
    background: url(../img/diary/B002753351.jpg) no-repeat center / cover;
}
.item_container:nth-child(1) li:nth-child(8) .item_img {
    background: url(../img/diary/B002753350.jpg) no-repeat center / cover;
}

.item_container:nth-child(2) li:nth-child(1) .item_img {
    background: url(../img/diary/B001849622-9.jpg) no-repeat center / cover;
}
.item_container:nth-child(2) li:nth-child(2) .item_img {
    background: url(../img/diary/B002383132.jpg) no-repeat center / cover;
}
.item_container:nth-child(2) li:nth-child(3) .item_img {
    background: url(../img/diary/A002383132_01.jpg) no-repeat center / cover;
}
.item_container:nth-child(2) li:nth-child(4) .item_img {
    background: url(../img/diary/B002761328.jpg) no-repeat center / cover;
}
.item_container:nth-child(2) li:nth-child(5) .item_img {
    background: url(../img/diary/B002493633-1.jpg) no-repeat center / cover;
}
.item_container:nth-child(2) li:nth-child(6) .item_img {
    background: url(../img/diary/A002757822_01.jpg) no-repeat center / cover;
}
.item_container:nth-child(2) li:nth-child(7) .item_img {
    background: url(../img/diary/B002761328.jpg) no-repeat center / cover;
}
.item_container:nth-child(2) li:nth-child(8) .item_img {
    background: url(../img/diary/B002753350.jpg) no-repeat center / cover;
}

.item_container:nth-child(3) li:nth-child(1) .item_img {
    background: url(../img/diary/B002091131-1.jpg) no-repeat center / cover;
}
.item_container:nth-child(3) li:nth-child(2) .item_img {
    background: url(../img/diary/A002759895_01.jpg) no-repeat center / cover;
}
.item_container:nth-child(3) li:nth-child(3) .item_img {
    background: url(../img/diary/B002493633-1.jpg) no-repeat center / cover;
}
.item_container:nth-child(3) li:nth-child(4) .item_img {
    background: url(../img/diary/B002761328.jpg) no-repeat center / cover;
}
.item_container:nth-child(3) li:nth-child(5) .item_img {
    background: url(../img/diary/B002493633-1.jpg) no-repeat center / cover;
}
.item_container:nth-child(3) li:nth-child(6) .item_img {
    background: url(../img/diary/A002757822_01.jpg) no-repeat center / cover;
}
.item_container:nth-child(3) li:nth-child(7) .item_img {
    background: url(../img/diary/B002761328.jpg) no-repeat center / cover;
}
.item_container:nth-child(3) li:nth-child(8) .item_img {
    background: url(../img/diary/B002753350.jpg) no-repeat center / cover;
}

.item_container:nth-child(4) li:nth-child(1) .item_img {
    background: url(../img/diary/A002761328_01.jpg) no-repeat center / cover;
}
.item_container:nth-child(4) li:nth-child(2) .item_img {
    background: url(../img/diary/B002761328.jpg) no-repeat center / cover;
}
.item_container:nth-child(4) li:nth-child(3) .item_img {
    background: url(../img/diary/B002753351.jpg) no-repeat center / cover;
}
.item_container:nth-child(4) li:nth-child(4) .item_img {
    background: url(../img/diary/B002749022-1.jpg) no-repeat center / cover;
}
.item_container:nth-child(4) li:nth-child(5) .item_img {
    background: url(../img/diary/B002493633-1.jpg) no-repeat center / cover;
}
.item_container:nth-child(4) li:nth-child(6) .item_img {
    background: url(../img/diary/A002757822_01.jpg) no-repeat center / cover;
}
.item_container:nth-child(4) li:nth-child(7) .item_img {
    background: url(../img/diary/B002761328.jpg) no-repeat center / cover;
}
.item_container:nth-child(4) li:nth-child(8) .item_img {
    background: url(../img/diary/B002753350.jpg) no-repeat center / cover;
}

.page > ul {
    margin: 20px 0;
    overflow: hidden;
    text-align: center;
}
.page li {
    display: inline-block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    margin: 5px;
    border: 1px solid #888;
    font-size: 10px;
    cursor: pointer;
}
.page li:nth-child(3) {
    color: #d50c0c;
    border: 1px solid #d50c0c;
}

@media screen and (max-width: 740px) {
    .top_section {
        margin: 0 auto;
        height: auto;
        overflow: hidden;
    }
    .left_nav {
        width: 100%;
        height: 60px;
        line-height: 50px;
        float: none;
        overflow: hidden;
        overflow-x: scroll;
    }
    .nav_title {
        display: none;
    }
    .left_nav li {
        padding: 5px 20px 5px 20px;
        float: left;
    }
    .left_nav > ul:nth-of-type(1) {
        width: 1700px;
        padding: 0;
        border-bottom: none;
    }
    .left_nav > ul:nth-of-type(2) {
        display: none;
    }
    .location {
        width: 100%;
        float: none;
    }
    .category {
        width: 100%;
        overflow: hidden;
        float: none;
    }
    .best_item_container {
        display: none;
    }
    .bot_section li {
        width: calc(100% / 2  - 0.01px);
        float: left;
    }
    .bot_section li:nth-child(2n) {
        border-right: none;
    }
}

@media screen and (max-width: 420px) {
    .category li {
        float: none;
        font-size: 13px;
    }
    .bot_section li {
        width: 100%;
        height: 350px;
    }
}