:root {
    --gap: 16px;
    --contentMargin: 10px;
}

*, *::after, *::before {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
}
header {
    margin: 0;
    padding: var(--gap);
    width: 100%;
    color: #fff;
    background: #000;
    overflow: hidden;
}

header > .logo {
    --iconWidth: 25px;
    margin-right: var(--gap);
    padding-left: calc(var(--iconWidth) + 2px);
    background: url(/img/book.png) 0 center no-repeat;
    background-size: var(--iconWidth);
    vertical-align: middle;
    font-size: 30px;
}

header > input {
    border-radius: 3px;
    border: none;
    outline: none;
    padding: 5px 10px;
    margin-right: 5px;
    width: 180px;
    background: #555;
    color: #fff;
    line-height: 30px;
    font-size: 14px;
}

header > button {
    border-radius: 3px;
    border: none;
    outline: none;
    padding: 5px 8px 5px 12px;
    background: rgb(17, 149, 72);
    color: #fff;
    line-height: 20px;    
    font-size: 12px;
    letter-spacing: 4px;
}

main {
    text-align: center;    
}

.loading {
    display: none;
    margin: 200px auto;
    width: 80px;
    height: 80px;
    background: url(/img/loading.svg) 0 0 no-repeat;
}

.tip {
    display: none;
    margin: 200px 0;
    text-align: center;
    font-size: 20px;
}

.list {
    margin: 0;
    padding: var(--gap);
}

.list > li {
    border-bottom: 1px solid #eee;    
    list-style: none;
    padding-bottom: calc(var(--gap) / 2);    
    margin-bottom: calc(var(--gap) / 2);
}

.list > li::after {
    content: '';
    display: block;
    clear: both;
}

/* .list > li > img {
    float: left;
    border-radius: 3px;
    margin-right: var(--contentMargin);
    width: 82px;
    height: 110px;
} */

.list > li > .title {
    margin-bottom: var(--contentMargin);
    font-size: 18px;
    color: #222;
    text-align: left;
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.list > li > .author {
    margin-bottom: var(--contentMargin);
    font-size: 14px;
    color: #222;
    text-align: left;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
}

.list > li > .desc {
    text-align: left;
    font-size: 14px;
    color: #999;
}

.list > li > .desc > span:first-child::after {
    content: '';
    display: inline;
    margin-right: var(--contentMargin);
}

.thanks {
    display: none;
    padding: var(--gap);
    text-decoration: none;
    font-size: 12px;
    color: #777;
}

.notify-btn {
    position: fixed;
    bottom: 30px;
    right: 20px;
    background: #be4469;
}

.sync-btn {
    position: fixed;
    bottom: 70px;
    right: 20px;
    background: #473d80;
}

.sync-event-btn {
    bottom: 150px;
    letter-spacing: 0;
}

.sync-db-btn {
    bottom: 110px;
    letter-spacing: 0;
}

.panel {
    position: fixed;
    border-radius: 3px;
    padding: 10px 20px;
    width: 250px;
    height: 100px;
    left: -50px;
    bottom: 30px;
    z-index: -1;
    opacity: 0;
    box-shadow: 2px 5px 5px #afafaf;
    overflow: hidden;
    background: #f2f2f2;
    transition: all .2s;
}

.panel > p {
    margin: 5px 0 0 0;
    font-size: 13px;
    color: #222;
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.panel.show {
    left: 0;
    z-index: 1;
    opacity: 1;
}