.gitbook-link {
    display: none !important;
}

.book.font-family-1{
    font-family: "Microsoft YaHei","Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","微软雅黑",Arial,sans-serif;
}

body {
    color: #212121;
}

.header-inner .logo {
    background: url('../../assets/images/Coremail_Logo_Zh.png') no-repeat;
}

.with-summary .book-summary .book-summary-title {
    background-image: url('../../assets/images/Coremail_Logo_Zh.png');
}