:root{--color-primary: #3f51b5;--color-primary-dark: #303f9f;--color-primary-light: #c5cae9;--color-primary-text: #fff;--color-accent: #0366d6;--color-text: #212121;--color-text-secondary: #727272;--color-text-muted: #727272;--color-text-inverse: #fff;--color-bg: #f6f6f6;--color-bg-card: #fff;--color-bg-code: #f5f5f5;--color-bg-active: rgba(0, 0, 0, .06);--color-bg-hover: rgba(0, 0, 0, .05);--color-bg-header: #3f51b5;--color-bg-header-fixed: #3f51b5;--color-bg-menu: #fff;--color-bg-menu-brand: rgba(63,81,181,0.5);--color-bg-footer-top: #3f51b5;--color-bg-footer-bottom: #303f9f;--color-bg-mask: #000;--color-bg-overlay: rgba(0, 0, 0, .3);--color-border: #dadada;--color-border-light: #eaecef;--color-border-lighter: #dedede;--color-divider: #b6b6b6;--color-link: #0366d6;--color-link-hover: #0366d6;--color-code-text: #ff4301;--color-code-bg: #f3f3f3;--color-blockquote-border: #409eff;--color-blockquote-bg: #f1f8ff;--color-table-header-bg: #f8f8f8;--color-table-hover-bg: #efefef;--color-gotop-bg: #ff4081;--color-title-list: #3c4858;--color-meta: #718096;--color-share-weibo: #E6162D;--color-share-qq: #3D95D5;--color-share-weixin: #2BAD13;--color-share-facebook: #4862A3;--color-share-twitter: #55ACEE;--color-share-google: #db4437;--shadow-card: 0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);--shadow-header: 0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);--shadow-float: 0 4px 8px rgba(0, 0, 0, .26);--shadow-menu: 0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);--shadow-overlay: 0 10px 30px rgba(0, 0, 0, .2);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-page: 30px;--spacing-page-bottom: 40px;--radius-sm: 2px;--radius-md: 4px;--radius-lg: 30px;--radius-pill: 50%;--z-header: 30;--z-menu: 66;--z-menu-mobile: 99;--z-mask: 88;--z-totop: 100;--z-share: 96;--z-search-panel: 36;--header-height: 56px;--menu-width: 240px;--content-width: 1040px;--widget-width: 220px;--page-header-min-height: 210px;--page-header-list-min-height: 240px;--page-header-mobile-min-height: 200px;--page-header-padding-top: 104px;--page-header-padding-bottom: 48px;--page-header-mobile-padding-top: 72px;--page-header-mobile-padding-bottom: 20px;--tabs-bar-height: 44px;--tabs-bar-margin-top: 14px;--font-size-xs: 12px;--font-size-sm: 13px;--font-size-md: 14px;--font-size-base: 15px;--font-size-lg: 16px;--font-size-xl: 18px;--font-size-2xl: 20px;--font-size-3xl: 24px;--font-size-4xl: 32px;--toc-title-color: var(--color-text-secondary);--toc-active-color: var(--color-primary);--toc-active-bg: var(--color-bg-active);--toc-active-border: var(--color-primary)}#comments.vcomment{margin-top:40px;padding:30px;background:#fff;box-shadow:0 0 4px rgba(0,0,0,0.2);border-radius:4px}#comments.vcomment .vheader .vinput:focus{border-bottom:1px solid #0366d6}#comments.vcomment .vsubmit:active,#comments.vcomment .vsubmit:hover{color:#fff;background:#3f51b5;border-color:#3f51b5;box-shadow:0 2px 8px rgba(0,0,0,0.4)}#comments.vcomment .vlist .vsys{padding:.2rem .4rem;line-height:1;color:#fff}#comments.vcomment .vlist .vsys:nth-child(n+2){background:#27B749}#comments.vcomment .vlist .vsys:nth-child(n+3){background:#ff9800}#comments.vcomment .vlist .vsys:nth-child(n+4){background:#7E0CF5}#comments.vcomment .vlist .vsys:nth-child(n+5){background:#00abc0}#comments.vcomment .vlist .vsys:nth-child(n+6){background:#2196f3}#comments.vcomment .vlist a:hover,#comments.vcomment .vlist .vname:hover{color:#0366d6}#comments.vcomment .vlist .vat{color:#0366d6}#comments.vcomment .vcard section{border-bottom:1px solid #dadada}