.html,body{
    margin: 0;
    padding: 0;
}

img{
    width: 100%;
}

.box {
    width: 100%;
    max-width: 700px;
    margin: auto;
}

.img {
    width: 100%;
    display: flex;
    justify-content: center;
}

.img img {
    width: 100%;
}

.color_imgs {
    display: flex;
}

.color_imgs img {
    width: 144px;
    border: 4px solid red;
    transition: all 0.3s linear 0s;
}

.title {
    margin-top: 20px;
    margin-bottom: 16px;
}

.titles {
    margin-top: 20px;
    margin-bottom: 16px;
}

.titles span {
    color: red;
}

.title span {
    color: red;
}

.sizes {
    width: 100%;
}

.size {
    width: 100%;
    float: left;
    padding: 0.2rem;
    font-size: 1rem;
    color: #666;
    background-color: #fff;
    border: 2px solid #ccc;
    margin-right: 4px;
    margin-bottom: 4px;
    text-decoration: none;
    transition: all 0.3s linear 0s;
    border-radius: 0.4rem;
    cursor: pointer;
}

.num {
    display: flex;
}

.num .num_left {
    width: 40px;
    height: 35px;
    text-align: center;
    line-height: 35px;
    border: 1px solid #ccc;
    border-right: none;
    cursor: pointer;
}

.num .num_center {
    width: 65px;
    height: 35px;
    border: 1px solid #ccc;
    line-height: 35px;
    text-align: center;
}

.num .num_right {
    width: 40px;
    height: 35px;
    text-align: center;
    line-height: 35px;
    border: 1px solid #ccc;
    border-left: none;
    cursor: pointer;
}

.label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 10px 0;
}

.label input {
    height: 40px;
    width: 82%;
    flex-shrink: 0;
}

.btn {
    /* width: 100%;
    height: 35px;
    background-color: #EFEFEF;
    border: 1px solid #000; */

    width: 100%;
    margin-left: 50%;
    transform: translateX(-50%);
    height: 40px;
    border-radius: 10px;
    border: 0;
    background: linear-gradient(90deg, #E6A20F, #F27019);
    color: #fff;
    letter-spacing: 0.5em;
}

/* .btn:hover {
    width: 100%;
    height: 35px;
    background-color: #c9c9c9;
} */

.as {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    padding-bottom: 50px;
}

.as a {
    color: #9797B2;
    font-size: 13px;
    margin: 0 10px;
    text-decoration: none;
}

.swiper {
    width: 100%;
} 

.swiper-wrapper{
    width: 100%;
}

.swiper-wrapper div{
    width: 100%;
    flex-shrink: 0;
}