#fuanyi-clean{--fy-bg:light-dark(#ffffff,#171a1e);--fy-surface:light-dark(#f6f8fa,#22262c);--fy-panel:light-dark(#ffffff,#1d2126);--fy-text:light-dark(#20242b,#f0f2f5);--fy-muted:light-dark(#737b87,#a6afbc);--fy-line:light-dark(#e9edf1,#353c45);--fy-accent:light-dark(#42699c,#a8c9f4);--fy-positive:light-dark(#547667,#a1c8b1);--fy-radius:14px;--fy-space:48px;background:var(--fy-bg);color:var(--fy-text);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.8;color-scheme:light;isolation:isolate;overflow-wrap:anywhere}
#fuanyi-clean *{box-sizing:border-box}
#fuanyi-clean [hidden]{display:none!important}
#fuanyi-clean h1,#fuanyi-clean h2,#fuanyi-clean h3,#fuanyi-clean p{margin:0;color:inherit;font-family:inherit}
#fuanyi-clean h1,#fuanyi-clean h2,#fuanyi-clean h3{font-weight:500}
#fuanyi-clean a{color:inherit;text-decoration:none}
#fuanyi-clean button{font:inherit;color:inherit}
#fuanyi-clean .fy-wrap{max-width:1180px;margin:auto;padding:0 48px}
#fuanyi-clean .fy-top{min-height:86px;border-bottom:1px solid var(--fy-line);display:flex;align-items:center;justify-content:space-between;gap:24px;padding-right:94px}
#fuanyi-clean .fy-brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
#fuanyi-clean .fy-brand-symbol{display:grid;place-items:center;width:30px;height:30px;background:var(--fy-text);color:var(--fy-bg);font-size:16px;font-weight:500;border-radius:7px}
#fuanyi-clean .fy-brand-word{font-size:18px;letter-spacing:-.5px;font-weight:600}
#fuanyi-clean .fy-brand-caption{font-size:11px;color:var(--fy-muted);padding-left:10px;border-left:1px solid var(--fy-line)}
#fuanyi-clean .fy-nav{display:flex;align-items:center;gap:30px;font-size:13px;white-space:nowrap}
#fuanyi-clean .fy-nav a{color:var(--fy-muted);position:relative;padding:10px 0}
#fuanyi-clean .fy-nav a[aria-current=page]{color:var(--fy-text)}
#fuanyi-clean .fy-nav a[aria-current=page]:after{content:"";position:absolute;bottom:1px;left:50%;transform:translateX(-50%);height:3px;width:3px;border-radius:50%;background:var(--fy-text)}
#fuanyi-clean .fy-nav a:hover,#fuanyi-clean .fy-textlink:hover{color:var(--fy-accent)}
#fuanyi-clean .fy-kicker{font-size:11px;color:var(--fy-muted);letter-spacing:1.5px;display:flex;align-items:center;gap:9px}
#fuanyi-clean .fy-dot{height:5px;width:5px;border-radius:50%;background:var(--fy-positive);display:inline-block;flex:none}
#fuanyi-clean .fy-hero{padding:66px 0 57px;text-align:center}
#fuanyi-clean .fy-hero .fy-kicker{justify-content:center}
#fuanyi-clean .fy-hero h1{font-size:clamp(36px,5.5vw,54px);line-height:1.4;font-weight:600;letter-spacing:-1.6px;margin:19px 0 20px}
#fuanyi-clean .fy-hero h1 span{color:var(--fy-muted);font-weight:400}
#fuanyi-clean .fy-lead{max-width:600px;font-size:14px;line-height:1.95;color:var(--fy-muted);margin:0 auto!important}
#fuanyi-clean .fy-actions{display:flex;align-items:center;flex-wrap:wrap;gap:17px;margin-top:25px}
#fuanyi-clean .fy-hero .fy-actions{justify-content:center;margin-top:29px}
#fuanyi-clean .fy-action{display:inline-flex;align-items:center;justify-content:center;gap:21px;min-height:44px;padding:10px 20px;border-radius:7px;border:1px solid transparent;background:var(--fy-text);font-size:12px}
#fuanyi-clean a.fy-action{color:var(--fy-bg)}
#fuanyi-clean .fy-action.fy-secondary{color:var(--fy-text);background:var(--fy-bg);border-color:var(--fy-line)}
#fuanyi-clean .fy-textlink{display:inline-flex;align-items:center;gap:13px;min-height:35px;font-size:12px}
#fuanyi-clean .fy-arrow{display:inline-block;transition:transform .18s ease;flex:none;color:var(--fy-muted)}
#fuanyi-clean a:hover .fy-arrow{transform:translateX(3px);color:var(--fy-text)}
#fuanyi-clean .fy-section{padding:0 0 var(--fy-space)}
#fuanyi-clean .fy-section-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:23px}
#fuanyi-clean .fy-section-title{display:flex;align-items:baseline;gap:12px}
#fuanyi-clean .fy-section-title h2{font-size:22px;letter-spacing:-.4px}
#fuanyi-clean .fy-section-title small{font-size:11px;color:var(--fy-muted)}
#fuanyi-clean .fy-feature{background:var(--fy-surface);border-radius:var(--fy-radius);display:grid;grid-template-columns:1.15fr 1fr;min-height:278px;overflow:hidden}
#fuanyi-clean .fy-feature-copy{padding:33px 0 31px 34px;display:flex;align-items:flex-start;flex-direction:column}
#fuanyi-clean .fy-badge{display:inline-flex;align-items:center;gap:7px;font-size:11px;color:var(--fy-muted)}
#fuanyi-clean .fy-feature h3{font-size:28px;letter-spacing:-.7px;margin:12px 0 10px}
#fuanyi-clean .fy-feature p{font-size:13px;color:var(--fy-muted);line-height:1.95;max-width:350px}
#fuanyi-clean .fy-feature .fy-textlink{margin-top:auto;padding-top:18px;font-size:12px;color:var(--fy-text)}
#fuanyi-clean .fy-feature-art{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:19px;position:relative;min-width:0;padding:30px}
#fuanyi-clean .fy-project-logo{display:block;width:126px;height:126px;max-width:100%;object-fit:contain}
#fuanyi-clean .fy-orb{height:126px;width:126px;border-radius:50%;background:var(--fy-panel);display:grid;place-items:center;box-shadow:0 8px 32px light-dark(#20242b08,#00000018)}
#fuanyi-clean .fy-wave{display:flex;align-items:center;gap:5px;height:51px}
#fuanyi-clean .fy-wave b{display:block;width:5px;height:14px;border-radius:10px;background:var(--fy-text)}
#fuanyi-clean .fy-wave b:nth-child(2),#fuanyi-clean .fy-wave b:nth-child(6){height:25px}
#fuanyi-clean .fy-wave b:nth-child(3),#fuanyi-clean .fy-wave b:nth-child(5){height:37px}
#fuanyi-clean .fy-wave b:nth-child(4){height:49px}
#fuanyi-clean .fy-art-caption{font-size:11px;letter-spacing:1.2px;color:var(--fy-muted)}
#fuanyi-clean .fy-side-tools{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:9px}
#fuanyi-clean .fy-mini-tool{display:flex;align-items:center;gap:15px;padding:23px 0 22px;border-bottom:1px solid var(--fy-line)}
#fuanyi-clean .fy-tool-icon{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:9px;background:var(--fy-surface);color:var(--fy-muted)}
#fuanyi-clean .fy-tool-icon svg{width:19px;height:19px}
#fuanyi-clean .fy-mini-copy{flex:1;min-width:0}
#fuanyi-clean .fy-mini-copy h3{font-size:14px;line-height:1.7}
#fuanyi-clean .fy-mini-copy p{font-size:11px;color:var(--fy-muted);margin-top:4px}
#fuanyi-clean .fy-sample-label{font-size:11px;color:var(--fy-muted);font-weight:400;white-space:nowrap;margin-left:7px}
#fuanyi-clean .fy-mini-tool:hover h3{color:var(--fy-accent)}
#fuanyi-clean .fy-post{display:grid;grid-template-columns:104px minmax(0,1fr);column-gap:25px;align-items:center;padding:23px 0;border-top:1px solid var(--fy-line)}
#fuanyi-clean .fy-post-meta{display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--fy-muted);letter-spacing:.2px}
#fuanyi-clean .fy-post-meta span{font-size:11px;color:var(--fy-accent)}
#fuanyi-clean .fy-post-title{display:flex;align-items:center;justify-content:space-between;gap:25px}
#fuanyi-clean .fy-post-title h3{font-size:17px;line-height:1.8;letter-spacing:-.2px}
#fuanyi-clean .fy-post:hover h3{color:var(--fy-accent)}
#fuanyi-clean .fy-post>p{grid-column:2;font-size:12px;color:var(--fy-muted);margin-top:7px;line-height:1.9}
#fuanyi-clean .fy-topics{display:flex;align-items:center;gap:21px;flex-wrap:wrap;border-top:1px solid var(--fy-line);padding:20px 0 0;margin-top:3px;font-size:11px;color:var(--fy-muted)}
#fuanyi-clean .fy-topics>span{margin-right:auto;color:var(--fy-muted)}
#fuanyi-clean .fy-topics a:hover{color:var(--fy-text)}
#fuanyi-clean .fy-footer{padding:26px 0 30px;border-top:1px solid var(--fy-line);display:flex;justify-content:space-between;gap:20px;color:var(--fy-muted);font-size:11px}
#fuanyi-clean .fy-footer-links{display:flex;gap:20px;flex-wrap:wrap}
#fuanyi-clean .fy-page-hero{padding:31px 0 37px}
#fuanyi-clean .fy-breadcrumb{font-size:11px;color:var(--fy-muted);display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:35px}
#fuanyi-clean .fy-breadcrumb a:hover{color:var(--fy-text)}
#fuanyi-clean .fy-page-hero h1{font-size:40px;line-height:1.5;letter-spacing:-1.2px;margin:14px 0 13px}
#fuanyi-clean .fy-page-description{font-size:14px;line-height:1.95;color:var(--fy-muted);max-width:600px}
#fuanyi-clean .fy-endnote{font-size:11px;color:var(--fy-muted);padding:18px 0 0}
#fuanyi-clean .fy-detail-hero{display:grid;grid-template-columns:1fr 1fr;gap:43px;align-items:center;padding-bottom:42px}
#fuanyi-clean .fy-detail-hero h1{font-size:37px;line-height:1.5;letter-spacing:-1.2px;margin:14px 0 6px}
#fuanyi-clean .fy-detail-subtitle{font-size:23px;color:var(--fy-muted);letter-spacing:-.5px;margin-bottom:17px}
#fuanyi-clean .fy-fine{font-size:11px;color:var(--fy-muted);margin-top:15px!important;line-height:1.85}
#fuanyi-clean .fy-voice-panel{padding:25px 27px 23px;background:var(--fy-surface);border-radius:var(--fy-radius)}
#fuanyi-clean .fy-voice-panel-top{display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--fy-muted)}
#fuanyi-clean .fy-voice-panel .fy-orb{margin:27px auto 24px;width:112px;height:112px}
#fuanyi-clean .fy-mic-panel>.fy-project-logo{width:96px;height:96px;margin:24px auto}
#fuanyi-clean .fy-mic-route{display:grid;grid-template-columns:minmax(0,1fr) 26px minmax(0,1fr);gap:10px;align-items:center;text-align:center}
#fuanyi-clean .fy-mic-route>span{display:flex;flex-direction:column;gap:3px;padding:12px 8px;background:var(--fy-panel);border:1px solid var(--fy-line);border-radius:8px}
#fuanyi-clean .fy-mic-route strong{font-size:14px;font-weight:500}
#fuanyi-clean .fy-mic-route small,#fuanyi-clean .fy-mic-route>b{font-size:11px;font-weight:400;color:var(--fy-muted)}
#fuanyi-clean .fy-mic-transport{font-size:11px;color:var(--fy-muted);text-align:center;margin-top:12px}
#fuanyi-clean .fy-mic-panel .fy-dialog{margin-top:20px}
#fuanyi-clean .fy-dialog{border-top:1px solid var(--fy-line);padding-top:19px;font-size:12px}
#fuanyi-clean .fy-dialog p:first-child{color:var(--fy-muted)}
#fuanyi-clean .fy-dialog p+p{margin-top:9px}
#fuanyi-clean .fy-dialog small{display:block;font-size:11px;color:var(--fy-muted);margin-top:16px}
#fuanyi-clean .fy-subnav{display:flex;gap:30px;border-bottom:1px solid var(--fy-line);margin-bottom:31px;font-size:12px}
#fuanyi-clean .fy-subnav a{padding:12px 0 15px;position:relative;color:var(--fy-muted)}
#fuanyi-clean .fy-subnav a[aria-current=page]{color:var(--fy-text)}
#fuanyi-clean .fy-subnav a[aria-current=page]:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--fy-text)}
#fuanyi-clean .fy-feature-list{display:grid;grid-template-columns:1fr 1fr;gap:28px 50px}
#fuanyi-clean .fy-feature-list article{border-top:1px solid var(--fy-line);padding:21px 0 0}
#fuanyi-clean .fy-feature-list small{font-size:11px;color:var(--fy-muted)}
#fuanyi-clean .fy-feature-list h3{font-size:17px;margin:9px 0 8px}
#fuanyi-clean .fy-feature-list p{font-size:13px;line-height:1.95;color:var(--fy-muted)}
#fuanyi-clean .fy-bottom-cta{margin-top:31px;padding-top:24px;border-top:1px solid var(--fy-line);display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px;color:var(--fy-muted)}
#fuanyi-clean .fy-guide-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:44px}
#fuanyi-clean .fy-steps{padding:0;margin:0;list-style:none;counter-reset:step}
#fuanyi-clean .fy-steps li{position:relative;counter-increment:step;padding:0 0 33px 46px}
#fuanyi-clean .fy-steps li:before{content:"0" counter(step);position:absolute;left:0;top:-2px;color:var(--fy-muted);font-size:17px;font-variant-numeric:tabular-nums}
#fuanyi-clean .fy-steps h2{font-size:17px;margin-bottom:9px}
#fuanyi-clean .fy-steps p{color:var(--fy-muted);font-size:13px;line-height:1.95}
#fuanyi-clean .fy-steps .fy-textlink{margin-top:10px}
#fuanyi-clean .fy-code{display:block;margin-top:12px;padding:10px 13px;border-radius:6px;background:var(--fy-surface);font-family:Consolas,monospace;font-size:11px;color:var(--fy-text);word-break:break-all}
#fuanyi-clean .fy-guide-aside{padding:24px;background:var(--fy-surface);border-radius:var(--fy-radius);align-self:start}
#fuanyi-clean .fy-guide-aside h2{font-size:16px;margin-bottom:16px}
#fuanyi-clean .fy-check{display:flex;align-items:baseline;gap:11px;margin:11px 0;font-size:12px;color:var(--fy-muted)}
#fuanyi-clean .fy-check span:first-child{color:var(--fy-positive)}
#fuanyi-clean .fy-faq{border-top:1px solid var(--fy-line);padding:25px 0 38px}
#fuanyi-clean .fy-faq h2{font-size:21px;margin-bottom:16px}
#fuanyi-clean .fy-faq details{border-top:1px solid var(--fy-line);padding:17px 0;font-size:13px}
#fuanyi-clean .fy-faq details:first-of-type{border-top:0}
#fuanyi-clean .fy-faq summary{min-height:25px}
#fuanyi-clean .fy-faq details p{font-size:12px;color:var(--fy-muted);margin-top:13px;line-height:1.95;max-width:670px}
#fuanyi-clean .fy-blog-topics{display:flex;gap:22px;border-bottom:1px solid var(--fy-line);margin:0 0 8px;flex-wrap:wrap}
#fuanyi-clean .fy-filter{background:transparent;border:0;padding:9px 0 15px;font-size:12px;color:var(--fy-muted);position:relative}
#fuanyi-clean .fy-filter[aria-pressed=true]{color:var(--fy-text)}
#fuanyi-clean .fy-filter[aria-pressed=true]:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--fy-text)}
#fuanyi-clean .fy-blog-list .fy-post{padding:26px 0}
#fuanyi-clean .fy-blog-list .fy-post:first-child{border-top:0}
#fuanyi-clean .fy-blog-list .fy-post-title h3{font-size:18px}
#fuanyi-clean .fy-topic-entry{padding:29px 0;border-bottom:1px solid var(--fy-line);display:block}
#fuanyi-clean .fy-topic-entry h3{font-size:20px}
#fuanyi-clean .fy-topic-entry p{font-size:13px;margin-top:10px;color:var(--fy-muted)}
#fuanyi-clean .fy-about{max-width:640px;padding-bottom:54px}
#fuanyi-clean .fy-about p{font-size:15px;line-height:2.1;color:var(--fy-muted);margin-bottom:23px}
#fuanyi-clean .fy-sample-preview{background:var(--fy-surface);padding:31px;border-radius:var(--fy-radius);margin-bottom:44px;max-width:700px}
#fuanyi-clean .fy-sample-preview h2{font-size:22px;margin-bottom:14px}
#fuanyi-clean .fy-sample-preview p{font-size:13px;line-height:1.95;color:var(--fy-muted)}
#fuanyi-clean .fy-sample-preview p+p{margin-top:14px}
@media(max-width:850px){#fuanyi-clean .fy-wrap{padding:0 32px}#fuanyi-clean .fy-top{padding-right:70px;gap:20px}#fuanyi-clean .fy-nav{gap:24px;font-size:12px}#fuanyi-clean .fy-brand-caption{display:none}#fuanyi-clean .fy-feature-copy{padding:28px 0 27px 28px}#fuanyi-clean .fy-feature-art{padding:25px}#fuanyi-clean .fy-detail-hero{gap:27px}#fuanyi-clean .fy-detail-hero h1{font-size:32px}#fuanyi-clean .fy-detail-subtitle{font-size:21px}#fuanyi-clean .fy-guide-grid{gap:28px}}
@media(max-width:620px){#fuanyi-clean .fy-wrap{padding:0 22px}#fuanyi-clean .fy-top{padding:22px 0 14px;min-height:0;flex-wrap:wrap;gap:20px}#fuanyi-clean .fy-brand{padding-right:90px}#fuanyi-clean .fy-brand-word{font-size:18px}#fuanyi-clean .fy-nav{width:100%;justify-content:space-between;gap:15px;font-size:12px}#fuanyi-clean .fy-nav a{padding:6px 0}#fuanyi-clean .fy-hero{padding:45px 0 43px}#fuanyi-clean .fy-hero h1{font-size:clamp(28px,7.5vw,42px);letter-spacing:-1px;line-height:1.5;margin:17px 0}#fuanyi-clean .fy-lead{font-size:12px}#fuanyi-clean .fy-hero .fy-actions{gap:17px;margin-top:24px}#fuanyi-clean .fy-action{gap:14px;padding:10px 16px}#fuanyi-clean .fy-section{padding-bottom:36px}#fuanyi-clean .fy-section-head{margin-bottom:19px}#fuanyi-clean .fy-section-title h2{font-size:20px}#fuanyi-clean .fy-section-title small{display:none}#fuanyi-clean .fy-feature{grid-template-columns:1fr;min-height:0}#fuanyi-clean .fy-feature-copy{padding:26px 25px 0}#fuanyi-clean .fy-feature h3{font-size:26px;margin-top:11px}#fuanyi-clean .fy-feature .fy-textlink{padding-top:17px;margin-top:0}#fuanyi-clean .fy-feature-art{padding:22px 25px 26px;gap:16px}#fuanyi-clean .fy-orb{height:106px;width:106px}#fuanyi-clean .fy-side-tools{grid-template-columns:1fr;gap:0;margin-top:6px}#fuanyi-clean .fy-mini-tool{padding:19px 0}#fuanyi-clean .fy-mini-copy h3{font-size:14px}#fuanyi-clean .fy-post{grid-template-columns:1fr;gap:8px;padding:21px 0}#fuanyi-clean .fy-post-meta{flex-direction:row;gap:12px}#fuanyi-clean .fy-post-title h3{font-size:16px}#fuanyi-clean .fy-post>p{grid-column:1;margin-top:0}#fuanyi-clean .fy-topics{gap:14px 18px;padding-top:19px}#fuanyi-clean .fy-topics>span{width:100%;margin-right:0}#fuanyi-clean .fy-footer{flex-direction:column;gap:12px;padding:24px 0 28px}#fuanyi-clean .fy-footer-links{gap:20px}#fuanyi-clean .fy-page-hero{padding:27px 0 29px}#fuanyi-clean .fy-breadcrumb{margin-bottom:28px;gap:8px}#fuanyi-clean .fy-page-hero h1{font-size:30px;letter-spacing:-1px;margin-top:12px}#fuanyi-clean .fy-page-description{font-size:13px}#fuanyi-clean .fy-detail-hero{grid-template-columns:1fr;gap:28px;padding-bottom:31px}#fuanyi-clean .fy-detail-hero h1{font-size:33px}#fuanyi-clean .fy-detail-subtitle{font-size:22px;margin-bottom:15px}#fuanyi-clean .fy-voice-panel{padding:23px}#fuanyi-clean .fy-subnav{gap:24px;font-size:11px}#fuanyi-clean .fy-feature-list{grid-template-columns:1fr;gap:23px}#fuanyi-clean .fy-feature-list article{padding-top:18px}#fuanyi-clean .fy-bottom-cta{align-items:flex-start;flex-direction:column;gap:12px}#fuanyi-clean .fy-guide-grid{grid-template-columns:1fr;gap:0}#fuanyi-clean .fy-guide-aside{margin-bottom:28px}#fuanyi-clean .fy-faq h2{font-size:20px}#fuanyi-clean .fy-blog-topics{gap:21px}#fuanyi-clean .fy-blog-list .fy-post-title h3{font-size:17px}#fuanyi-clean .fy-about p{font-size:14px}#fuanyi-clean .fy-sample-preview{padding:24px}}
@media(pointer:coarse){#fuanyi-clean .fy-nav a,#fuanyi-clean .fy-textlink,#fuanyi-clean .fy-filter,#fuanyi-clean .fy-subnav a{min-height:44px;display:inline-flex;align-items:center}#fuanyi-clean .fy-faq summary{min-height:36px}}
@media(prefers-reduced-motion:reduce){#fuanyi-clean .fy-arrow{transition:none}}

/* 正式主题的文档、阅读和专题样式。 */
html{box-sizing:border-box;scroll-padding-top:24px;background:#fff;color-scheme:light}
body{margin:0;background:#fff;color:#20242b;font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-text-size-adjust:100%}
button,input,textarea,select{font:inherit}
a,button,input[type=submit],summary{cursor:pointer}
button:disabled{cursor:default}
.skip-link{position:absolute;left:16px;top:-80px;z-index:10;padding:10px 16px;background:#20242b;color:#fff}
.skip-link:focus{top:12px}
#fuanyi-clean .fy-top{padding-right:0}
#fuanyi-clean .fy-brand{padding-right:0}
#fuanyi-clean .fy-feature+.fy-feature{margin-top:20px}
#fuanyi-clean .fy-post .fy-post-title h3{font-family:inherit}
#fuanyi-clean .fy-filter[aria-current=page]{color:var(--fy-text)}
#fuanyi-clean .fy-filter[aria-current=page]:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--fy-text)}
#fuanyi-clean .fy-blog-topics{column-gap:23px;row-gap:0}
#fuanyi-clean .fy-footer .icp-link{display:block;font-size:11px;margin-top:6px}
#fuanyi-clean .project-letter{height:106px;width:106px;display:grid;place-items:center;background:var(--fy-panel);color:var(--fy-text);font-size:40px;border-radius:20px}
#fuanyi-clean .reading-width{max-width:790px}
#fuanyi-clean .pagenav{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:24px 0 0;font-size:13px}
#fuanyi-clean .pagenav a{padding:7px 0;color:var(--fy-muted)}
#fuanyi-clean .pagenav a:hover{color:var(--fy-text)}
#fuanyi-clean .fy-page-description p{margin:0 0 6px}
#fuanyi-clean .post-content{font-size:16px;line-height:1.95;color:var(--fy-text);overflow-wrap:anywhere}
#fuanyi-clean .post-content p{margin:0 0 1.4em;line-height:1.95}
#fuanyi-clean .post-content h2{font-size:25px;line-height:1.6;margin:1.8em 0 .8em;letter-spacing:-.4px;scroll-margin-top:24px}
#fuanyi-clean .post-content h3{font-size:20px;line-height:1.6;margin:1.6em 0 .7em;scroll-margin-top:24px}
#fuanyi-clean .post-content h4{font-size:17px;font-weight:500;margin:1.4em 0 .6em}
#fuanyi-clean .post-content>:first-child{margin-top:0}
#fuanyi-clean .post-content ul,#fuanyi-clean .post-content ol{padding-left:1.6em;margin:0 0 1.5em}
#fuanyi-clean .post-content li{margin:.4em 0}
#fuanyi-clean .post-content a{color:var(--fy-accent);text-decoration:underline;text-underline-offset:4px}
#fuanyi-clean .post-content a:hover{color:var(--fy-text)}
#fuanyi-clean .post-content img{max-width:100%;height:auto;border-radius:8px}
#fuanyi-clean .post-content blockquote{border-left:3px solid var(--fy-line);margin:1.5em 0;padding:8px 0 8px 22px;color:var(--fy-muted)}
#fuanyi-clean .post-content blockquote p:last-child{margin-bottom:0}
#fuanyi-clean .post-content pre{max-width:100%;overflow:auto;padding:20px;background:var(--fy-surface);border-radius:8px;font-size:13px;line-height:1.8;tab-size:4}
#fuanyi-clean .post-content code{font-family:Consolas,"Cascadia Code",monospace;font-size:.88em;background:var(--fy-surface);padding:2px 5px;border-radius:4px}
#fuanyi-clean .post-content pre code{padding:0;font-size:inherit;background:transparent}
#fuanyi-clean .post-content table{display:block;max-width:100%;width:max-content;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:14px;line-height:1.8}
#fuanyi-clean .post-content th,#fuanyi-clean .post-content td{text-align:left;vertical-align:top;padding:11px 15px;border:1px solid var(--fy-line);min-width:90px}
#fuanyi-clean .post-content th{background:var(--fy-surface);font-weight:500}
#fuanyi-clean .post-content hr{border:0;border-top:1px solid var(--fy-line);margin:32px 0}
#fuanyi-clean .post-content strong{font-weight:600}
#fuanyi-clean main>header{padding:40px 0 32px;max-width:900px}
#fuanyi-clean main>header>a:first-child{font-size:12px;color:var(--fy-muted)}
#fuanyi-clean .slash{padding:0 12px;color:var(--fy-muted)}
#fuanyi-clean main>header h1{font-size:clamp(28px,3.6vw,40px);line-height:1.55;letter-spacing:-.8px;margin:18px 0 17px}
#fuanyi-clean .entry-meta{display:flex;gap:17px;flex-wrap:wrap;font-size:12px;color:var(--fy-muted)}
#fuanyi-clean .entry-meta a{color:var(--fy-accent)}
#fuanyi-clean .content{padding-bottom:48px;min-width:0}
#fuanyi-clean .content>.post{max-width:800px;min-width:0}
#fuanyi-clean .content:has(.article-toc){display:grid;grid-template-columns:195px minmax(0,1fr);gap:30px;align-items:start}
#fuanyi-clean .content:has(.article-toc)>.post{max-width:none}
#fuanyi-clean .article-toc{position:sticky;top:24px;padding-top:9px;font-size:12px;max-height:75vh;overflow:auto}
#fuanyi-clean .section-label{font-size:11px;letter-spacing:1px;color:var(--fy-muted)}
#fuanyi-clean .article-toc nav{display:flex;flex-direction:column;gap:10px;margin-top:15px;border-left:1px solid var(--fy-line);padding-left:15px}
#fuanyi-clean .article-toc nav a{color:var(--fy-muted);line-height:1.7}
#fuanyi-clean .article-toc nav a:hover{color:var(--fy-text)}
#fuanyi-clean .article-toc .toc-depth-3{padding-left:12px}
#fuanyi-clean .article-series-badge{font-size:12px;padding:15px 0 0;display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--fy-muted)}
#fuanyi-clean .article-series-badge em,#fuanyi-clean .series-nav em{font-style:normal;color:var(--fy-muted)}
#fuanyi-clean .article-series-badge a{color:var(--fy-accent)}
#fuanyi-clean .article-series-badge .series-badge-action{margin-left:8px}
#fuanyi-clean .series-nav{padding:22px;background:var(--fy-surface);border-radius:10px;margin:30px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px}
#fuanyi-clean .series-nav>div{display:flex;flex-direction:column;gap:5px}
#fuanyi-clean .series-nav strong{font-size:15px;font-weight:500}
#fuanyi-clean .series-nav>a{white-space:nowrap;color:var(--fy-accent)}
#fuanyi-clean .post-neighbors{border-top:1px solid var(--fy-line);display:grid;grid-template-columns:1fr 1fr;gap:25px;padding:23px 0}
#fuanyi-clean .post-neighbors a{display:flex;flex-direction:column;gap:8px}
#fuanyi-clean .post-neighbors span{color:var(--fy-muted);font-size:11px}
#fuanyi-clean .post-neighbors strong{font-size:14px;font-weight:500;line-height:1.8}
#fuanyi-clean .post-taxonomy{border-top:1px solid var(--fy-line);padding-top:19px;font-size:11px;line-height:2.1;color:var(--fy-muted)}
#fuanyi-clean .project-body>.fy-feature-list{margin:25px 0 0}
#fuanyi-clean .project-body .fy-feature-list h3{font-size:17px;margin:9px 0 8px}
#fuanyi-clean .project-body .fy-feature-list p{font-size:13px;color:var(--fy-muted);margin:0}
#fuanyi-clean .guide-body{font-size:14px}
#fuanyi-clean .guide-body .fy-steps{padding:0;margin:0;list-style:none}
#fuanyi-clean .guide-body .fy-steps li{margin:0;padding:0 0 33px 46px}
#fuanyi-clean .guide-body .fy-steps h2{font-size:17px;margin:0 0 9px;line-height:1.8}
#fuanyi-clean .guide-body .fy-steps p{font-size:13px;margin:0;line-height:1.95}
#fuanyi-clean .guide-body .fy-textlink{text-decoration:none}
#fuanyi-clean .guide-body .fy-guide-aside p{margin-bottom:0}
#fuanyi-clean .guide-body .fy-faq h2{font-size:21px;margin:0 0 16px}
#fuanyi-clean .guide-body .fy-faq details p{font-size:12px;margin:13px 0 0;line-height:1.95}
#fuanyi-clean .topics-content{max-width:none}
#fuanyi-clean .content:has(.topics-content)>.post{max-width:none}
#fuanyi-clean .topic-dashboard{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;align-items:start}
#fuanyi-clean .topic-index-panel{position:sticky;top:24px;padding:23px;background:var(--fy-surface);border-radius:12px;min-width:0}
#fuanyi-clean .topic-index-panel h2{font-size:19px;margin:6px 0 18px}
#fuanyi-clean .topic-search{display:flex;flex-direction:column;gap:7px;font-size:12px;color:var(--fy-muted)}
#fuanyi-clean .topic-search input{width:100%;min-width:0;border:1px solid var(--fy-line);border-radius:6px;padding:10px;background:var(--fy-bg);color:var(--fy-text);font-size:13px}
#fuanyi-clean .topic-filter-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}
#fuanyi-clean .topic-filter-tabs button{background:transparent;border:0;padding:5px 0;color:var(--fy-muted);font-size:12px}
#fuanyi-clean .topic-filter-tabs button.is-active{color:var(--fy-text);box-shadow:0 1px 0 var(--fy-text)}
#fuanyi-clean .topic-outline{display:flex;flex-direction:column;gap:13px;border-top:1px solid var(--fy-line);padding-top:16px}
#fuanyi-clean .topic-outline a{display:flex;justify-content:space-between;align-items:baseline;gap:13px;font-size:12px;text-decoration:none;color:var(--fy-text)}
#fuanyi-clean .topic-outline strong{font-weight:400;line-height:1.8}
#fuanyi-clean .topic-outline span{white-space:nowrap;font-size:11px;color:var(--fy-muted)}
#fuanyi-clean .topics-main{min-width:0}
#fuanyi-clean .topic-overview{padding:4px 0 28px;border-bottom:1px solid var(--fy-line)}
#fuanyi-clean .topic-overview h2{font-size:24px;margin:7px 0 13px}
#fuanyi-clean .topic-overview p{font-size:13px;color:var(--fy-muted);line-height:1.95;margin:0}
#fuanyi-clean .topic-stats{display:flex;gap:25px;flex-wrap:wrap;color:var(--fy-muted);font-size:12px;margin-top:18px}
#fuanyi-clean .topic-stats strong{color:var(--fy-text);font-size:18px;font-weight:500}
#fuanyi-clean .topic-section{padding:29px 0 0;scroll-margin-top:24px}
#fuanyi-clean .topic-section>h2{font-size:23px;margin:0 0 22px}
#fuanyi-clean .topic-card{padding:0 0 27px;margin:0 0 27px;border-bottom:1px solid var(--fy-line);scroll-margin-top:24px}
#fuanyi-clean .topic-card h3{font-size:21px;margin:9px 0 12px}
#fuanyi-clean .topic-card h3 a{color:var(--fy-text);text-decoration:none}
#fuanyi-clean .topic-card>p{font-size:14px;color:var(--fy-muted);margin-bottom:17px}
#fuanyi-clean .topic-audience-note{padding:13px 16px;background:var(--fy-surface);border-radius:7px;font-size:12px;color:var(--fy-muted);margin-bottom:18px}
#fuanyi-clean .topic-audience-note strong{display:block;font-weight:500;color:var(--fy-text);margin-bottom:5px}
#fuanyi-clean .topic-posts{padding-left:21px!important;font-size:14px;margin:0!important}
#fuanyi-clean .topic-posts li{padding:12px 0;border-top:1px solid var(--fy-line);margin:0}
#fuanyi-clean .topic-posts a{text-decoration:none;color:var(--fy-text)}
#fuanyi-clean .topic-posts p{font-size:12px;color:var(--fy-muted);margin:6px 0 4px;line-height:1.9}
#fuanyi-clean .topic-posts .post-meta{font-size:11px;color:var(--fy-muted)}
#fuanyi-clean .topic-list{list-style:none;padding:0!important}
#fuanyi-clean .topic-list li{border-top:1px solid var(--fy-line);padding:12px 0;display:flex;justify-content:space-between;gap:20px;font-size:14px;margin:0}
#fuanyi-clean .topic-list a{text-decoration:none;color:var(--fy-text)}
#fuanyi-clean .topic-count{font-size:12px;color:var(--fy-muted)}
#fuanyi-clean .tag-cloud{display:flex;gap:10px;flex-wrap:wrap}
#fuanyi-clean .tag-cloud a{font-size:12px;background:var(--fy-surface);padding:6px 10px;border-radius:5px;text-decoration:none;color:var(--fy-text)}
#fuanyi-clean .tag-cloud a span{color:var(--fy-muted);margin-left:6px}
#fuanyi-clean .topic-no-results{font-size:14px;color:var(--fy-muted)}
#fuanyi-clean #comments{grid-column:2;min-width:0;border-top:1px solid var(--fy-line);padding-top:24px;font-size:14px}
#fuanyi-clean .comment-head{font-size:16px;margin:0 0 20px}
#fuanyi-clean .comment-user-info{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 12px}
#fuanyi-clean .form input[type=text],#fuanyi-clean .form input[type=email],#fuanyi-clean .form input[type=url],#fuanyi-clean .form textarea{border:1px solid var(--fy-line);background:var(--fy-bg);color:var(--fy-text);border-radius:6px;padding:11px;min-width:0;max-width:100%;font-size:14px}
#fuanyi-clean .comment-user-info input{flex:1 1 150px}
#fuanyi-clean .form textarea{width:100%;resize:vertical}
#fuanyi-clean .comment-button{display:flex;gap:12px;margin:12px 0 30px}
#fuanyi-clean .button{background:var(--fy-text);color:var(--fy-bg);border:1px solid var(--fy-text);border-radius:6px;padding:9px 13px;font-size:12px}
#fuanyi-clean .comment-list{list-style:none;padding:0}
#fuanyi-clean .comment-body{border-top:1px solid var(--fy-line);padding:18px 0}
#fuanyi-clean .comment-meta{color:var(--fy-muted);font-size:11px}
#fuanyi-clean .comment-children{padding-left:20px}
@media(max-width:850px){#fuanyi-clean .content:has(.article-toc){grid-template-columns:1fr;gap:25px}#fuanyi-clean .article-toc{position:static;max-height:none;overflow:visible;padding:18px;background:var(--fy-surface);border-radius:8px}#fuanyi-clean .article-toc nav{display:grid;grid-template-columns:1fr 1fr;gap:9px 20px;border:0;padding:0}#fuanyi-clean #comments{grid-column:auto}#fuanyi-clean .topic-dashboard{grid-template-columns:1fr;gap:30px}#fuanyi-clean .topic-index-panel{position:static}#fuanyi-clean .topic-outline{display:grid;grid-template-columns:1fr 1fr;gap:12px 22px}}
@media(max-width:620px){#fuanyi-clean .post-content{font-size:15px}#fuanyi-clean .post-content h2{font-size:22px}#fuanyi-clean .post-content h3{font-size:18px}#fuanyi-clean .post-content pre{padding:15px;font-size:12px}#fuanyi-clean main>header{padding:31px 0 26px}#fuanyi-clean main>header h1{font-size:28px;margin-top:16px}#fuanyi-clean .entry-meta{gap:10px 15px;font-size:11px}#fuanyi-clean .article-toc nav{grid-template-columns:1fr}#fuanyi-clean .article-series-badge{font-size:11px}#fuanyi-clean .series-nav{align-items:flex-start;flex-direction:column;gap:12px;padding:19px}#fuanyi-clean .post-neighbors{grid-template-columns:1fr;gap:22px}#fuanyi-clean .topic-outline{grid-template-columns:1fr}#fuanyi-clean .topic-index-panel{padding:21px}#fuanyi-clean .topic-search input{font-size:16px}#fuanyi-clean .topic-overview h2{font-size:22px}#fuanyi-clean .topic-card h3{font-size:20px}#fuanyi-clean .fy-footer-links{gap:18px}#fuanyi-clean .guide-body .fy-feature-list{grid-template-columns:1fr}#fuanyi-clean .fy-guide-aside{margin-top:0}#fuanyi-clean .content{padding-bottom:34px}#fuanyi-clean .post-content table{font-size:13px}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
@media(max-width:620px){#fuanyi-clean .fy-project-logo{width:106px;height:106px}}