#container {
    position: relative;
    min-height: 100vh;
}

#container, .book_tail {
    background-image: url(../images/white.jpg);
    background-repeat: repeat;
    color: #3c3c3c;
}

#container.night {
    background-color: #191819;
    background-image: none;
    color: #6b696b;
}

#container.night .book_tail {
    background-color: #191819;
    background-image: none
}

#container.cyan {
    background-image: url(../images/cyan.jpg);
    color: #3b3229
}

#container.cyan .book_tail {
    background-image: url(../images/cyan.jpg)
}

#container.pink {
    background-image: url(../images/pink.jpg);
    color: #3b342a
}

#container.pink .book_tail {
    background-image: url(../images/pink.jpg)
}

#container.yellow {
    background-color: #cfbc8c;
    background-image: none;
    color: #39352c
}

#container.yellow .book_tail {
    background-color: #cfbc8c;
    background-image: none
}

#container.brown {
    background-color: #655548;
    background-image: none;
    color: #bdae8f
}

#container.brown .book_tail {
    background-color: #655548;
    background-image: none
}

#control-container {
    display: none;
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 100%;
    max-width: 750px;
    height: 100%;
    z-index: 520;
}

header {
    top: 0;
    z-index: 10;
    overflow: hidden;
    width: 100%;
    height: 48px;
    background-color: #fff;
    position: relative;
    max-width: 750px;
}

.caching, .color_f, .foot, .read_list, .read_top {
    background: rgba(34, 34, 34, .98);
}

.read_top {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translate(-50%, 0);
}

.read_top .back {
    display: block !important;
    float: left !important;
    width: 50px;
}

.back i, .foot .time, .foot i, .read_list i, .read_list input, .read_list span, .t_font .current i, .teaching span, .use a {
    background-size: 200px auto !important;
}

.read_top .back i {
    width: 12px;
    background: url(../images/read.png) 0 -54px no-repeat;
}

.read_top .btn-list a, .read_top .use a {
    margin: 15px;
    background: url(../images/read.png) no-repeat;
    width: 21px;
}

.read_top .btn-list a.home, .read_top .use a.home {
    background-position: -12px -54px;
}

.help_mid_in_control_board {
    width: 100%;
    height: 76%;
    position: absolute;
    left: 50%;
    top: 104px;
    max-width: 750px;
    transform: translate(-50%, 0);
}

.color_f {
    border-bottom: 1px dashed #4a4a4a;
    position: absolute;
    left: 50%;
    z-index: 1;
    padding: 17px 15px 13px;
    width: 100%;
    max-width: 750px;
    transform: translate(-50%, 0);
}

.caching, .color_f, .read_list {
    display: none;
}

.color_f .font {
    overflow: hidden;
}

.color_f .font a {
    height: 40px;
    border: 1px solid #323232;
    float: right;
    -webkit-box-align: center;
    -o-box-align: center;
    -moz-box-align: center;
}

.color_f .font a:nth-of-type(1) {
    width: 40px;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    float: left;
    margin-left: 6px;
}

.color_f .font a span {
    background: url(../images/read.png) no-repeat;
    background-size: 200px auto;
    width: 25px;
    height: 15px;
    display: block;
    margin: 12px auto 0;
}

.color_f .font a:nth-of-type(1) span {
    background: url(../images/read_def_font.png) no-repeat;
    background-size: 100%;
    display: block;
    width: 18px;
    height: 14px;
}

.color_f .font a:nth-of-type(2) span {
    background-position: -143px -100px;
}

.color_f .font a:nth-of-type(3) span {
    background-position: -143px -80px;
}

.color_f .font a:nth-of-type(2) {
    width: 40%;
    margin-right: 6px;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
}

.color_f .font a:nth-of-type(3) {
    width: 40%;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}

.color_f .color {
    width: 100%;
    display: -webkit-box;
    display: -moz-box;
    display: -o-box;
    display: box;
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -o-box-flex: 1;
    -webkit-box-orient: horizontal;
    -moz-box-orient: horizontal;
    -o-box-orient: horizontal;
    -webkit-box-pack: center;
    -o-box-pack: center;
    -moz-box-pack: center;
}

.color_f .color {
    margin-top: 16px;
}

.color_f .color a {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -o-box-flex: 1;
}

.color_f .color a {
    width: 20%;
    display: block;
    margin-right: 25px;
}

.color_f .color a span {
    border: 1px solid #262626;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    padding: 2px;
    display: block;
    margin: auto;
}

.color_f .color a.current span {
    border: 1px solid #25c4a6;
}

.color_f .color a span i {
    background: red;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: block;
}

.color_f .color a.color01 span i, .color_f .color a.color03 span i, .color_f .color a.color04 span i {
    background: url(../images/color.png) no-repeat;
    background-size: 100%;
}

.color_f .color a.color02 span i {
    background: #cebb8f;
}

.color_f .color a.color03 span i {
    background-position: 0 -81px;
}

.color_f .color a.color04 span i {
    background-position: 0 -122px;
}

.color_f .color a.color05 span i {
    background: #655549;
}

footer {
    background: #F5F7F9;
    padding: 20px 34px;
}

.caching, .color_f, .foot, .read_list, .read_top {
    background: rgba(34, 34, 34, .98);
}

.foot {
    position: fixed;
    bottom: 0;
    color: #FFF;
    left: 50%;
    transform: translate(-50%, 0);
    width: 100%;
    max-width: 750px;
}

.foot .time {
    background: url(../images/read.png) no-repeat;
    display: block;
    height: 46px;
    width: 46px;
    position: absolute;
    bottom: 74px;
    right: 15px;
}

.foot .time.day {
    background-position: 1px -105px;
}

.foot .time.night {
    background-position: -48px -105px;
}

.foot * {
    color: #FFF !important;
}

.foot ul {
    width: 100%;
    display: -webkit-box;
    display: -moz-box;
    display: -o-box;
    display: box;
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -o-box-flex: 1;
    -webkit-box-orient: horizontal;
    -moz-box-orient: horizontal;
    -o-box-orient: horizontal;
    -webkit-box-pack: center;
    -o-box-pack: center;
    -moz-box-pack: center;
}

.foot ul li .btn, .foot ul li a, .foot ul li i {
    display: block;
}

.foot ul li .btn, .foot ul li a {
    font-size: 15px;
    color: #b4b4b4;
    padding: 12px 0 9px;
    position: relative;
    margin: auto;
    text-align: center;
}

.foot ul li{
    width: 25%;
    cursor: pointer;
}

.foot ul li i {
    background: url(../images/read.png) no-repeat;
    height: 22px;
    width: 22px;
    margin: auto auto 2px;
}

.foot ul li i.last {
    background-position: -178px 0;
}

.foot ul li i.catalog {
    background-position: -178px -25px;
}

.foot ul li i.font {
    background-position: -176px -49px;
    width: 24px;
}

.foot ul li i.comment {
    background-position: -176px -76px;
    width: 24px;
}

.foot ul li i.next {
    background-position: -178px -104px;
}

#readercontainer {
    font-size: 17px;
    padding: 0 22px 5px;
    position: relative;
    z-index: 450;
}

#readercontainer .chapter {
    font-size: 100%;
}

#readercontainer .chapter h3,
#readercontainer .chapter h1{
    font-size: 24px;
    border-bottom: 1px solid #000;
    padding: 30px 0 12px;
    margin-bottom: 24px;
    font-weight: 800;
    text-align: center;
}

#readercontainer .chapter p {
    line-height: 160%;
    margin-bottom: 16px;
}

.book_tail {
    display: -webkit-box;
    display: -moz-box;
    display: -o-box;
    display: box;
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -o-box-flex: 1;
    -webkit-box-orient: horizontal;
    -moz-box-orient: horizontal;
    -o-box-orient: horizontal;
    -webkit-box-pack: center;
    -o-box-pack: center;
    -moz-box-pack: center;
    position: relative;
    z-index: 510;
}

.book_tail {
    opacity: 1;
    width: 100%;
    padding: 0 22px 22px;
}

.book_tail {
    opacity: 1;
    width: 100%;
    padding: 0 22px 22px;
}

.book_tail a {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -o-box-flex: 1;
    display: block;
    width: 33.3%;
    height: 40px;
    line-height: 40px;
    margin-right: 11px;
    border: 1px solid #25c4a6;
    border-radius: 5px;
    font-size: 18px;
    text-align: center;
    color: #25c4a6 !important;
}

/* .book_tail a:last-child {
    margin: 0;
    color: #fff !important;
    background: #25c4a6;
}

.book_tail a.whitel {
    color: #25c4a6 !important;
    border: 1px solid #25c4a6 !important;
} */