:root{--paper:#faf9f6;--ink:#1d3029;--muted:#617069;--green:#163f35;--line:#dce0d6;--lime:#e3edb4;--white:#fff;--peach:#f5d4bd;--blue:#d6e3f8;--sage:#eef2e6}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Source Sans 3',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}button,input,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #567fbb;outline-offset:5px}svg{display:block}p,h1,h2,h3,h4{margin:0}h1,h2{font-family:'Source Serif 4',Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-1.5px}h2{font-size:38px;line-height:1.15}.wrap{max-width:1180px;margin-inline:auto;padding-inline:28px}.site-header{max-width:1296px;padding:27px 42px;display:flex;align-items:center;justify-content:space-between;margin:auto;border-bottom:1px solid var(--line);gap:22px}.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-.5px}.brand svg{width:37px;height:37px;color:var(--green)}.site-header nav{display:flex;gap:28px;font-size:13px;color:var(--muted)}.private-label{display:flex;gap:6px;align-items:center;font-size:11px;background:#eff1e9;padding:6px 10px;border-radius:30px;color:#4e6257}.private-label svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.2}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;padding-top:66px;padding-bottom:70px;align-items:center}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;text-transform:uppercase;display:flex;align-items:center;gap:8px}.hero-copy{min-width:0}.hero .eyebrow{flex-wrap:nowrap;max-width:100%}.hero .eyebrow .eyebrow-dot{width:6px;height:6px;flex-shrink:0;background:#789554;border-radius:50%}.hero h1{font-size:76px;line-height:1.03;margin-top:23px;letter-spacing:-3px}.hero h1 em{font-weight:400;color:#647a4e}.hero-description{color:var(--muted);font-size:17px;margin-top:21px;line-height:1.6}.text-link{display:inline-flex;align-items:center;gap:26px;margin-top:22px;font-weight:700;font-size:13px;border-bottom:1px solid #a6b09c;padding-bottom:4px}.hero-map{position:relative;height:315px;width:100%;max-width:430px;margin-left:auto;overflow:hidden}.orbit{position:absolute;border:1px solid #dee2d5;border-radius:50%;left:50%;top:46%;transform:translate(-50%,-50%)}.orbit-one{width:240px;height:240px}.orbit-two{width:310px;height:310px}.map-axis{position:absolute;background:var(--line);opacity:.7}.axis-x{height:1px;width:330px;top:46%;left:calc(50% - 165px)}.axis-y{height:280px;width:1px;left:50%;top:4px}.center-star{position:absolute;left:calc(50% - 28px);top:calc(46% - 28px);width:56px;height:56px;display:grid;place-items:center;font-size:36px;background:var(--paper);color:#7a914e}.map-note{position:absolute;display:flex;gap:10px;align-items:center;border:1px solid #e4e6df;padding:14px 19px;border-radius:9px;background:#fff;box-shadow:0 4px 16px #273e2310;min-width:178px}.map-note strong{font-size:15px}.map-note small{font-size:11px;color:var(--muted);display:block;margin-top:1px}.note-one{left:18px;top:28px;transform:rotate(-5deg)}.note-two{right:0;top:113px;transform:rotate(4deg)}.note-three{left:37px;top:208px;transform:rotate(-3deg)}.mini-brand{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;font-weight:700;font-family:'Source Serif 4',Georgia,serif;font-size:21px;flex-shrink:0}.green{background:#dce9cc;color:#2b4d35}.peach{background:var(--peach);color:#894b2f}.blue{background:var(--blue);color:#355c9c}.map-caption{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:10px;color:#85907f;letter-spacing:.2px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-heading h2{margin-top:9px}.small-note{font-size:12px;color:var(--muted);max-width:290px}.chooser-section{padding-bottom:60px}.chooser-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.controls-panel{padding:27px;background:#fff;border:1px solid var(--line);border-radius:14px}fieldset{border:0;padding:0;margin:0;min-width:0}legend{font-size:13px;font-weight:700;padding:0;display:flex;align-items:center;gap:10px;float:left;width:100%;margin-bottom:18px}.step-number{display:grid;place-items:center;border:1px solid #d6decd;width:25px;height:25px;border-radius:50%;color:#748364;font-size:9px;font-weight:400}.task-options{display:grid;grid-template-columns:1fr 1fr;gap:8px;clear:both}.choice{position:relative;display:block;cursor:pointer}.choice input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.task-label{display:flex;gap:10px;align-items:center;padding:12px 10px;border:1px solid #e1e5dc;border-radius:7px;min-height:65px;transition:background .15s,border-color .15s}.task-label .task-icon{color:#687b5c;flex-shrink:0;width:19px;height:19px}.task-label .task-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.task-label strong{font-size:11px;line-height:1.4;display:block}.task-label small{display:block;font-size:9px;color:var(--muted);margin-top:3px;line-height:1.4}.choice input:checked+.task-label{background:var(--sage);border-color:#698058;box-shadow:inset 0 0 0 .5px #698058}.choice:hover .task-label{background:#f5f7f0}.choice input:focus-visible+span{outline:3px solid #567fbb;outline-offset:2px}.priority-fieldset{border-top:1px solid var(--line);margin-top:24px;padding-top:23px}.priority-fieldset legend{margin:0;padding-top:23px;float:none}.priority-fieldset{padding-top:0}.field-help{color:var(--muted);font-size:11px;margin-top:9px;margin-bottom:13px}.priority-options{display:flex;flex-wrap:wrap;gap:7px}.priority-label{display:block;padding:7px 12px;border-radius:30px;border:1px solid #dce2d6;font-size:10px;color:#54664d;transition:background .15s}.choice input:checked+.priority-label{background:var(--green);border-color:var(--green);color:white}.choice:hover .priority-label{border-color:#738b60}.control-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:22px;font-size:9px;color:#798373}.control-footer button{font-size:10px;white-space:nowrap;background:none;color:#55634e;border:0;padding:5px 0}.control-footer button:hover{text-decoration:underline}.recommendation{background:var(--green);color:white;border-radius:14px;overflow:hidden;min-height:595px}.rec-body{padding:29px 31px 27px}.rec-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.rec-top .eyebrow{font-size:9px;letter-spacing:1.3px;color:#cbdac4}.rec-fit{font-size:9px;color:var(--lime);border:1px solid #809465;padding:4px 9px;border-radius:30px;white-space:nowrap}.rec-title{display:flex;align-items:center;gap:14px;margin-top:22px}.rec-title .mini-brand{width:49px;height:49px;font-size:30px;border-radius:12px}.rec-title h3{font-family:'Source Serif 4',Georgia,serif;font-size:43px;font-weight:400;letter-spacing:-1px;line-height:1.2}.rec-maker{font-size:10px;color:#b3c8bc;margin-top:3px}.rec-reason{font-size:16px;line-height:1.55;margin-top:19px;max-width:430px;letter-spacing:-.1px}.priority-note{margin-top:12px;font-size:11px;color:#baceba;line-height:1.55}.rec-divider{height:1px;background:#517061;margin:21px 0}.rec-tradeoff{display:flex;gap:11px}.rec-tradeoff span{color:var(--lime);font-size:18px}.rec-tradeoff h4{font-size:10px;text-transform:uppercase;letter-spacing:1.1px;color:var(--lime);margin-bottom:6px}.rec-tradeoff p{font-size:12px;color:#d4e0d5;line-height:1.6}.rec-sources{font-size:10px;color:#c0d0b4;margin-top:12px;display:inline-block;text-decoration:underline;text-underline-offset:3px}.rec-actions{display:flex;align-items:center;gap:22px;margin-top:23px}.open-assistant{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--lime);color:var(--green);border-radius:6px;padding:11px 16px;font-size:11px;font-weight:700}.open-assistant:hover{background:#ecf4c8;text-decoration:none}.rec-actions .compare-link{font-size:10px;color:#d6dfce;text-decoration:underline;text-underline-offset:3px}.alternative{background:#204a3d;padding:17px 31px;display:flex;gap:12px;align-items:flex-start}.alternative .mini-brand{width:28px;height:28px;font-size:17px;border-radius:7px;margin-top:2px}.alternative h4{font-size:11px;font-weight:400}.alternative h4 strong{font-weight:700}.alternative p{font-size:10px;color:#c8d7c7;margin-top:4px;line-height:1.6}.prompt-box{background:#e8eddc;color:var(--green);border-top:1px solid #d2dcc6;padding:0 24px}.prompt-box summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;padding:14px 0;font-size:11px;font-weight:700;gap:12px}.prompt-box summary::-webkit-details-marker{display:none}.prompt-content{padding-bottom:17px}.prompt-content p{font-size:12px;line-height:1.65}.copy-row{display:flex;gap:12px;align-items:center;margin-top:13px}.copy-button{border:1px solid #aab79a;padding:6px 10px;color:var(--green);background:transparent;border-radius:5px;font-size:10px}.copy-button:hover{background:#dae3c9}.copy-status{font-size:10px;color:#506242}.result-footnote{display:flex;gap:8px;color:var(--muted);font-size:10px;line-height:1.6;padding:14px 7px 0}.result-footnote>span{font-size:14px;margin-top:-2px}.comparison-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.compare-section{border-top:1px solid var(--line);padding-top:44px;padding-bottom:48px}.compare-card{background:white;border:1px solid var(--line);border-radius:10px;padding:25px 24px;display:flex;flex-direction:column}.compare-card.is-recommended{border-color:#7d955e}.compare-card-header{display:flex;align-items:center;gap:10px}.compare-card-header h3{font-size:18px;letter-spacing:-.5px}.compare-card-header small{font-size:10px;color:var(--muted);display:block}.fit-label{font-size:9px;letter-spacing:.7px;text-transform:uppercase;color:#69814e;margin-top:17px;font-weight:700}.compare-reason{font-size:13px;line-height:1.7;margin-top:9px;flex:1}.compare-tradeoff{border-top:1px solid var(--line);margin-top:18px;padding-top:14px}.compare-tradeoff strong{font-size:9px;text-transform:uppercase;letter-spacing:1px;color:#66745d}.compare-tradeoff p{font-size:11px;color:var(--muted);margin-top:5px;line-height:1.7}.compare-source{font-size:10px;color:#5a7150;margin-top:13px;text-decoration:underline;text-underline-offset:3px;align-self:flex-start}.compare-note{font-size:11px;color:var(--muted);margin-top:18px;text-align:center}.method-section{border-top:1px solid var(--line);padding-top:48px;padding-bottom:45px;display:grid;grid-template-columns:1fr 1.3fr;gap:90px}.method-intro h2{margin-top:12px;font-size:35px}.method-intro>p:last-child{font-size:13px;line-height:1.7;color:var(--muted);max-width:320px;margin-top:16px}.method-row{display:flex;gap:20px;margin-bottom:21px}.method-row:last-child{margin-bottom:0}.method-row>span{font-size:10px;color:#859373;padding-top:3px}.method-row h3{font-size:13px}.method-row p{font-size:12px;color:var(--muted);line-height:1.7;margin-top:5px}.sources-section{padding-bottom:40px}.sources-section>details{border:1px solid var(--line);border-radius:10px;background:#f3f4ee}.sources-section summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:22px 25px;gap:16px}.sources-section summary::-webkit-details-marker{display:none}.source-title{font-family:'Source Serif 4',Georgia,serif;font-size:23px;letter-spacing:-.4px;display:block;margin-top:6px}.sources-section .eyebrow{font-size:8px;letter-spacing:1.2px;color:var(--muted)}.source-date{display:flex;align-items:center;gap:23px;font-size:10px;color:var(--muted)}.details-plus{font-size:20px;font-weight:400}details[open] .details-plus{transform:rotate(45deg)}.sources-content{padding:0 25px 25px}.sources-content>p{font-size:12px;color:var(--muted);max-width:860px;line-height:1.7}.source-links{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding-top:22px}.source-group h3{font-size:13px;margin-bottom:9px}.source-group ul{padding-left:15px;margin:0}.source-group li{font-size:10px;color:#4b6142;margin-bottom:8px;line-height:1.6}.source-group a{text-decoration:underline;text-underline-offset:3px}.source-group li:target{background:#e2ebca;border-radius:4px;outline:3px solid #e2ebca}.sources-content .source-note{font-size:10px;margin-top:20px}footer{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);padding-top:23px!important;padding-bottom:28px!important;font-size:10px;color:var(--muted)}.footer-brand{font-size:13px;color:var(--ink)}.footer-brand span{color:#7e906b}footer>a:last-child{text-decoration:underline;text-underline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100px;left:15px;background:var(--green);color:white;padding:10px 15px;z-index:20}.skip-link:focus{top:15px}.noscript{border:1px solid var(--line);padding:20px;margin-top:20px}.noscript a{text-decoration:underline}
@media(min-width:1250px){.task-label strong{font-size:12px}.task-label small{font-size:9.5px}}
@media(max-width:1000px){.hero h1{font-size:65px}.hero{gap:20px}.hero-map{max-width:350px}.note-one{left:0}.note-two{right:0}.note-three{left:10px}.controls-panel{padding:21px}.task-label{padding:11px 8px;gap:7px}.task-label .task-icon{width:16px;height:16px}.task-label small{font-size:9px}.rec-body{padding:27px 24px}.alternative{padding:16px 24px}.method-section{gap:45px}.compare-card{padding:22px 18px}}
@media(max-width:800px){.site-header{padding:20px 24px}.site-header nav{gap:17px;font-size:11px}.private-label{display:none}.hero{padding-top:45px;padding-bottom:50px;grid-template-columns:1.1fr 1fr}.hero h1{font-size:55px}.hero .eyebrow{font-size:8px;letter-spacing:1.1px}.hero-description{font-size:14px}.hero-map{height:290px}.map-note{min-width:145px;padding:11px 13px;gap:8px}.map-note strong{font-size:13px}.map-note small{font-size:9px}.note-one{top:32px}.note-two{top:123px}.note-three{top:212px}.map-caption{display:none}.chooser-grid{grid-template-columns:1fr;gap:20px}.controls-panel{padding:25px}.task-options{grid-template-columns:repeat(2,1fr)}.task-label{padding:12px 14px;min-height:65px;gap:12px}.task-label strong{font-size:13px}.task-label small{font-size:10px}.task-label .task-icon{width:20px;height:20px}.priority-label{font-size:12px}.recommendation{min-height:0}.rec-body{padding:28px}.rec-reason{max-width:none}.rec-tradeoff p{font-size:13px}.alternative{padding:19px 28px}.alternative h4{font-size:12px}.alternative p{font-size:11px}.rec-sources,.rec-actions .compare-link{font-size:11px}.open-assistant{font-size:12px}.prompt-box{padding:0 28px}.prompt-box summary{font-size:12px}.section-heading h2{font-size:32px}.small-note{max-width:180px;font-size:10px}.comparison-grid{gap:11px}.compare-card{padding:21px 14px}.compare-card-header{gap:8px}.compare-card-header h3{font-size:16px}.compare-card-header .mini-brand{width:27px;height:27px;font-size:17px}.compare-reason{font-size:12px}.method-section{gap:30px}.method-intro h2{font-size:29px}.method-intro>p:last-child{font-size:12px}}
@media(max-width:580px){.wrap{padding-inline:20px}.site-header{padding:17px 20px;gap:12px}.brand{font-size:17px}.brand svg{width:31px;height:31px}.site-header nav a:first-child{display:none}.site-header nav{font-size:10px;gap:14px}.hero{display:block;padding-top:36px;padding-bottom:38px}.hero h1{font-size:61px;margin-top:20px}.hero-description{font-size:15px;max-width:300px}.hero-map{display:none}.hero .text-link{margin-top:19px}.hero .eyebrow{font-size:9px}.section-heading{display:block;margin-bottom:21px}.section-heading .small-note{margin-top:12px;max-width:none;font-size:11px}.section-heading h2{font-size:31px}.controls-panel{padding:20px 16px}.task-options{gap:7px}.task-label{padding:12px 9px;gap:8px;min-height:73px}.task-label strong{font-size:11px}.task-label small{font-size:9px}.task-label .task-icon{width:17px;height:17px}.priority-label{font-size:11px;padding:8px 12px}.control-footer{font-size:8px}.control-footer button{font-size:10px}.rec-body{padding:25px 22px}.rec-title h3{font-size:41px}.rec-reason{font-size:16px}.rec-title{margin-top:20px}.rec-top .eyebrow{font-size:8px}.rec-fit{font-size:8px}.rec-actions{gap:18px}.open-assistant{padding:12px 15px;font-size:11px;gap:20px}.alternative{padding:18px 22px}.prompt-box{padding:0 22px}.chooser-section{padding-bottom:35px}.compare-section{padding-top:33px;padding-bottom:32px}.comparison-grid{grid-template-columns:1fr;gap:13px}.compare-card{padding:22px}.compare-card-header h3{font-size:19px}.compare-card-header .mini-brand{width:34px;height:34px;font-size:21px}.compare-reason{font-size:14px}.compare-tradeoff p{font-size:12px}.compare-note{text-align:left;font-size:10px}.fit-label{margin-top:14px}.method-section{grid-template-columns:1fr;gap:26px;padding-top:33px;padding-bottom:30px}.method-intro h2{font-size:32px}.method-intro>p:last-child{max-width:none}.method-row{gap:15px}.sources-section summary{padding:20px 18px}.source-date{font-size:9px;gap:12px}.source-title{font-size:20px}.sources-section .eyebrow{font-size:7px}.source-links{grid-template-columns:1fr;gap:18px}.sources-content{padding:0 18px 21px}.source-group li{font-size:12px}.sources-section{padding-bottom:30px}footer{flex-wrap:wrap;gap:13px}.footer-brand{font-size:13px}footer p{order:3;flex-basis:100%;font-size:10px}footer>a:last-child{margin-left:auto}}
/* Keep selectable controls and supporting copy readable at every breakpoint. */
.task-label strong{font-size:12px}.task-label small{font-size:10px}.priority-label{font-size:12px}.field-help{font-size:12px}.control-footer{font-size:10px}.control-footer button{font-size:11px}.priority-note{font-size:12px}.alternative h4{font-size:12px}.alternative p{font-size:12px}.rec-sources{font-size:11px}.rec-actions .compare-link{font-size:11px}.result-footnote{font-size:11px}.compare-source{font-size:11px}.source-group li{font-size:12px}.copy-button,.copy-status{font-size:11px}
@media(max-width:580px){.task-label strong{font-size:11px}.task-label small{font-size:9px}.control-footer{font-size:9px}.control-footer button{font-size:10px}.rec-actions{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}


/* Language toggle + header aside (launch bilingual) */
.header-aside{display:flex;align-items:center;gap:12px;flex-shrink:0}
.lang-toggle{display:inline-flex;border:1px solid var(--line);border-radius:30px;overflow:hidden;background:#fff}
.lang-btn{border:0;background:transparent;padding:8px 12px;min-height:36px;min-width:44px;font-size:11px;font-weight:700;color:var(--muted);cursor:pointer}
.lang-btn.is-active{background:var(--green);color:#fff}
.lang-btn:hover:not(.is-active){background:#f5f7f0}
@media(max-width:580px){
  .header-aside .private-label{display:none}
  .lang-btn{padding:8px 10px;min-width:40px}
  .site-header nav a#navShare{/* keep share visible */}
}

/* WeChat helper page */
.wechat-page{max-width:720px;margin:40px auto 60px;padding-inline:28px}
.wechat-page h1{font-family:'Source Han Sans SC VF','Source Han Sans SC','Source Serif 4',Georgia,'Times New Roman',serif;font-size:36px;font-weight:400;letter-spacing:-1px;margin:12px 0 16px}
.wechat-page h2{font-family:'Source Han Sans SC VF','Source Han Sans SC','Source Serif 4',Georgia,'Times New Roman',serif;font-size:22px;font-weight:400;margin:28px 0 10px}
.wechat-page p,.wechat-page li{color:var(--muted);font-size:14px;line-height:1.7}
.wechat-page ul{padding-left:18px}
.wechat-page .back{display:inline-flex;margin-bottom:8px;font-size:13px;font-weight:700;color:var(--green)}
.wechat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin-top:18px}


/* OFL web-font stacks already set above; catalog toggle + CN badge colors */
.catalog-toggle{display:inline-flex;border:1px solid var(--line);border-radius:30px;overflow:hidden;background:#fff;margin-right:4px}
.catalog-btn{border:0;background:transparent;padding:8px 11px;min-height:36px;font-size:11px;font-weight:700;color:var(--muted);cursor:pointer;white-space:nowrap}
.catalog-btn.is-active{background:var(--green);color:#fff}
.catalog-btn:hover:not(.is-active){background:#f5f7f0}
.sand{background:#f0e6d8;color:#6a4e32}
.mint{background:#d5ebe3;color:#1f5c4a}
.lilac{background:#e4dcf0;color:#5a3d7a}
.coral{background:#f3d0c8;color:#7a3a30}
.ink{background:#d8dde6;color:#2f3a4a}
.gold{background:#efe3b8;color:#6a5520}
.rose{background:#f0d5e2;color:#6e3454}
@media(max-width:800px){
  .catalog-btn{padding:8px 8px;font-size:10px}
}
@media(max-width:580px){
  .catalog-toggle{order:-1}
}
.orange{background:#f3e0c8;color:#7a4e18}

/* Share strip */
.share-section{border-top:1px solid var(--line);padding-top:36px;padding-bottom:28px}
.share-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.share-btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;padding:11px 16px;font-size:12px;font-weight:700;cursor:pointer}
.share-btn:hover{background:#f5f7f0}
.share-btn-primary{background:var(--green);color:#fff;border-color:var(--green)}
.share-btn-primary:hover{background:#1f4f43}
.share-status{font-size:12px;color:var(--muted)}
.share-canvas{position:absolute;left:-9999px;top:0;width:1px;height:1px;opacity:0;pointer-events:none}


/* 思源黑体 — CN / 中文 / WeChat (class toggled by app.js; wechat.html always on) */
html.use-siyuan body,
body.use-siyuan,
html.lang-zh body,
html.catalog-cn body{
  font-family:'Source Han Sans SC VF','Source Han Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
}
html.use-siyuan h1,
html.use-siyuan h2,
html.use-siyuan .rec-title h3,
html.use-siyuan .source-title,
html.use-siyuan .mini-brand,
html.use-siyuan .wechat-page h1,
html.use-siyuan .wechat-page h2,
html.lang-zh h1,
html.lang-zh h2,
html.lang-zh .rec-title h3,
html.lang-zh .source-title,
html.lang-zh .mini-brand,
html.catalog-cn h1,
html.catalog-cn h2,
html.catalog-cn .rec-title h3,
html.catalog-cn .source-title,
html.catalog-cn .mini-brand{
  font-family:'Source Han Sans SC VF','Source Han Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',Georgia,serif;
  font-weight:500;
  letter-spacing:-0.5px;
}
html.use-siyuan .hero h1,
html.lang-zh .hero h1,
html.catalog-cn .hero h1{
  letter-spacing:-2px;
}