.van-image{position:relative;display:inline-block}.van-image--round{overflow:hidden;border-radius:50%}.van-image--round img{border-radius:inherit}.van-image__error,.van-image__img,.van-image__loading{display:block;width:100%;height:100%}.van-image__error,.van-image__loading{position:absolute;top:0;left:0;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;color:#969799;font-size:14px;background-color:#f7f8fa}.van-image__error-icon,.van-image__loading-icon{color:#dcdee0;font-size:32px}.appbar-placeholder[data-v-d2e4e858]{height:3rem}@media (min-width:640px){.appbar[data-v-d2e4e858]{max-width:640px}}@media (min-width:768px){.appbar[data-v-d2e4e858]{max-width:768px}}@media (min-width:1024px){.appbar[data-v-d2e4e858]{max-width:1024px}}@media (min-width:1280px){.appbar[data-v-d2e4e858]{max-width:1280px}}.appbar_default .left-back-index[data-v-d2e4e858],.appbar_default .left-icon[data-v-d2e4e858],.appbar_default[data-v-d2e4e858]{--bg-opacity:1;background-color:#3182ce;background-color:rgba(49,130,206,var(--bg-opacity))}.appbar_transparent[data-v-d2e4e858]{background-color:transparent!important}.appbar_transparent .appbar-title[data-v-d2e4e858]{color:#134e5f}.appbar_reading[data-v-d2e4e858]{background-color:#ff9462}.appbar_reading .left-back-index[data-v-d2e4e858],.appbar_reading .left-icon[data-v-d2e4e858]{background-color:#f55d44}.appbar_exam[data-v-d2e4e858]{background-color:#c8dcff}.appbar_exam .left-back-index[data-v-d2e4e858],.appbar_exam .left-icon[data-v-d2e4e858]{background-color:#9566f4}.appbar_exam .appbar-title[data-v-d2e4e858]{color:#3c3864}.appbar_wrong[data-v-d2e4e858]{background-color:#33d1ff}.appbar_wrong .left-back-index[data-v-d2e4e858],.appbar_wrong .left-icon[data-v-d2e4e858]{background-color:#03b3e4}.appbar_words[data-v-d2e4e858]{background-color:#42d7d6}.appbar_words .left-back-index[data-v-d2e4e858],.appbar_words .left-icon[data-v-d2e4e858]{background-color:#09b4ce}.appbar_quiz[data-v-d2e4e858]{background-color:rgba(0,0,0,.12);-webkit-transition:background-color .3s;transition:background-color .3s}.appbar_quiz .left-back-index[data-v-d2e4e858],.appbar_quiz .left-icon[data-v-d2e4e858]{background-color:#ec9b00}.appbar_quiz .appbar-title[data-v-d2e4e858]{color:#b47415}.appbar_member[data-v-d2e4e858]{background-color:#fde85d;-webkit-transition:background-color .3s;transition:background-color .3s}.appbar_member .left-back-index[data-v-d2e4e858],.appbar_member .left-icon[data-v-d2e4e858]{background-color:#b47b00}.appbar_member .appbar-title[data-v-d2e4e858]{color:#7a6d1d}.appbar_live[data-v-d2e4e858]{background-color:#33d1ff;-webkit-transition:background-color .3s;transition:background-color .3s}.appbar_live .left-back-index[data-v-d2e4e858],.appbar_live .left-icon[data-v-d2e4e858]{background-color:#00b0e2}.appbar_live .appbar-title[data-v-d2e4e858]{color:#fff}.appbar_cross[data-v-d2e4e858]{background-color:#fff;-webkit-transition:background-color .3s;transition:background-color .3s;box-shadow:0 0 6px 0 #e7f8fb}.appbar_cross .left-icon[data-v-d2e4e858]{background-color:transparent;color:#134e5f!important}.appbar_cross .left-back-index[data-v-d2e4e858]{background-color:#134e5f}.appbar_cross .appbar-title[data-v-d2e4e858]{width:100%;color:#134e5f}.appbar_elevation[data-v-d2e4e858]{box-shadow:0 0 4px 0 #e7f8fb}.appbar[data-v-d2e4e858]{height:3rem;display:-webkit-box;display:-webkit-flex;display:flex;position:fixed;width:100%;text-align:center;-webkit-user-select:none;user-select:none;-webkit-box-align:center;-webkit-align-items:center;align-items:center;z-index:20}.appbar-title[data-v-d2e4e858]{max-width:20rem;margin-left:auto;margin-right:auto;font-weight:700;color:#000;color:rgba(0,0,0,var(--text-opacity));font-size:1.25rem;--text-opacity:1;color:#fff;color:rgba(255,255,255,var(--text-opacity));padding-left:1.5rem;padding-right:1.5rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.appbar-left[data-v-d2e4e858],.appbar-right[data-v-d2e4e858]{position:absolute;top:0;bottom:0;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;font-size:.875rem;cursor:pointer}.appbar-right[data-v-d2e4e858]{right:0}.appbar-left[data-v-d2e4e858]{left:0;padding-left:1rem;padding-right:1rem}.appbar-left .left-icon[data-v-d2e4e858]{padding:.25rem}.appbar-left .left-back-index[data-v-d2e4e858],.appbar-left .left-icon[data-v-d2e4e858]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;border-radius:9999px;--text-opacity:1;color:#fff;color:rgba(255,255,255,var(--text-opacity))}.appbar-left .left-back-index[data-v-d2e4e858]{padding-left:.5rem;padding-right:.5rem;padding-top:.25rem;padding-bottom:.25rem}.memorize[data-v-2005d9b8]{min-height:100vh;background-color:#e7f9fb}.memorize_img[data-v-2005d9b8]{min-height:6rem}