* {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

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

.warp {
    margin: 0 auto;
    max-width: 640px;
}

.content-img {
    width: 100%;
}

.chuiniu {
    overflow: hidden;
    width: 80%;
    margin-left: 10%;
    line-height: 50px;
    font-size: 16px;
    box-shadow: 0 1px 5px 0 rgba(0, 0, 0, 0.15);
    border-radius: 25px;
    margin-top: 1em;
    margin-bottom: 2em;
    text-align: center;
    position: relative;
}

.chuiniu svg {
    width: 20px;
    height: 20px;
    padding: 0 6px;
    vertical-align: middle;
}

.form {
    padding: 0 20px;
    box-sizing: border-box;
    line-height: 2em;
}

.form .q-item {
    margin-bottom: 1em;
    color: #777;
}

.form .q-item .answer {
    color: #333;
}

.form .q-item input[type="text"] {
    outline: none;
    border: none;
    border-bottom: 1px solid rgb(220, 220, 220);
    padding: 6px;
    width: 80%;
}

.form .q-item .answer span {
    display: inline-block;
    width: 50%;
    margin-right: -1em;
    color: #555;
    font-size: 0.9em;
}

.form .q-item .question span {
    font-size: 0.8em;
}

.submit {
    line-height: 50px;
    font-size: 20px;
    color: #fff;
    border-radius: 25px;
    width: 80%;
    margin: 1em 0;
    margin-left: 10%;
    background: #ef8093;
    text-align: center;
}

.baoming {
    box-shadow: 0 1px 5px 0 rgba(0, 0, 0, 0.15);
    width: 280px;
    margin: 0 auto;
    text-align: center;
    font-size: 14px;
    line-height: 40px;
    height: 198px;
    overflow: hidden;
    color: rgb(51, 51, 51);
}

.footer-nav {
    width: 100%;
    max-width: 640px;
    background: #ef8093;
    line-height: 60px;
    font-size: 20px;
    color: #fff;
    text-align: center;
    position: fixed;
    bottom: 0;
}

.icon {
    width: 1em;
    height: 1em;
}

.scroller p {
    margin: 0;
}

.scroller {
    position: relative;
    transition: bottom 300ms;
    margin: 0;
}

.active {
    visibility: visible;
}

.normal {
    visibility: hidden;
}

.photo_img {
    position: relative;
}

.luck_draw {
    position: absolute;
    left: 7%;
    bottom: 21.5%;
    width: 64px;
    transition: width 0.5s;
}

@media (min-width: 400px) and (max-width: 450px) {
    .luck_draw {
        width: 71px;
    }
}

@media (min-width: 451px) and (max-width: 500px) {
    .luck_draw {
        width: 76px;
    }
}

@media (min-width: 501px) and (max-width: 525px) {
    .luck_draw {
        width: 81px;
    }
}

@media (min-width: 526px) and (max-width: 550px) {
    .luck_draw {
        width: 86px;
    }
}

@media (min-width: 551px) and (max-width: 575px) {
    .luck_draw {
        width: 91px;
    }
}

@media (min-width: 576px) and (max-width: 600px) {
    .luck_draw {
        width: 96px;
    }
}

@media (min-width: 601px) and (max-width: 625px) {
    .luck_draw {
        width: 101px;
    }
}

@media (min-width: 626px) {
    .luck_draw {
        width: 106px;
    }
}