:root{--blue:#0862ff;--ink:#07152e;--muted:#58667d;--paper:#fcfcfb;--line:#dce3ee;--wash:#eef4ff;color:var(--ink);background:var(--paper);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}a:hover{text-decoration:underline;text-underline-offset:5px}img{max-width:100%;height:auto}button,a,summary{-webkit-tap-highlight-color:transparent}html{scroll-padding-top:36px}.skip{position:absolute;top:-80px;left:24px;background:var(--ink);color:#fff;padding:14px;z-index:20}.skip:focus{top:12px}.guide-header{min-height:80px;margin:0 4.4vw;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}.guide-brand{display:flex;align-items:center;gap:10px;font-size:25px;font-weight:750;letter-spacing:-1px;white-space:nowrap}.guide-brand img{width:34px;height:34px}.guide-nav{display:flex;gap:32px;align-items:center;font-size:14px}.guide-nav a{padding:14px 0}.guide-nav [aria-current]{color:var(--blue)}.guide-shell{max-width:1180px;margin:auto;padding:0 40px}.breadcrumb{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding:32px 0;margin:0;list-style:none}.breadcrumb a{display:inline-block;padding:6px 0}.kicker{font-size:12px;font-weight:650;letter-spacing:1.8px;color:var(--blue);margin:0 0 20px}.guide-hero{padding:38px 0 58px;border-bottom:1px solid var(--line)}.guide-hero h1{font-size:clamp(36px,4.6vw,62px);line-height:1.22;letter-spacing:-.045em;font-weight:730;margin:0 0 24px;max-width:950px}.guide-hero h1 span{display:block;color:var(--blue)}.guide-hero .intro{font-size:18px;line-height:1.9;color:var(--muted);max-width:720px;margin:0}.metadata{display:flex;gap:24px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:28px}.reading-layout{display:grid;grid-template-columns:200px minmax(0,720px);gap:64px;padding:56px 0 80px;justify-content:space-between}.toc{align-self:start;position:sticky;top:32px;font-size:13px;color:var(--muted)}.toc-title{font-size:12px;color:var(--ink);font-weight:650;letter-spacing:.1em;margin:0 0 16px}.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}.toc li{counter-increment:toc;display:flex;gap:12px;line-height:1.65;border-left:1px solid var(--line);padding:0 0 0 16px}.toc li:before{content:counter(toc,decimal-leading-zero);font-size:11px;color:var(--blue);padding-top:12px}.toc a{padding:10px 0;display:block}.article-body{min-width:0;font-size:17px;line-height:1.95;color:#283b53}.article-body p{margin:0 0 20px}.article-body h2{color:var(--ink);font-size:28px;line-height:1.4;letter-spacing:-.025em;margin:0 0 24px}.article-body h3{color:var(--ink);font-size:19px;line-height:1.6;margin:28px 0 10px}.article-body section+section{margin-top:56px;padding-top:36px;border-top:1px solid var(--line)}.article-body a{color:#0754d9;text-decoration:underline;text-underline-offset:4px}.article-body strong{font-weight:650;color:var(--ink)}.article-body ul,.article-body ol{padding-left:25px;margin:0 0 24px}.article-body li{padding-left:5px;margin:9px 0}.answer{border-left:3px solid var(--blue);padding:22px 26px;background:var(--wash);margin:0 0 40px}.answer .answer-title{display:block;color:var(--blue);font-size:12px;letter-spacing:1px;font-weight:650;margin:0 0 12px}.answer p:last-child{margin:0}.resource-list{border-top:1px solid var(--line);margin:26px 0}.resource-list>div{display:grid;grid-template-columns:132px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}.resource-list dt{font-size:15px;font-weight:650;color:var(--ink)}.resource-list dd{margin:0;font-size:15px;line-height:1.85}.step-list{list-style:none;padding:0!important;counter-reset:step}.step-list li{counter-increment:step;position:relative;padding:0 0 22px 44px;margin:0}.step-list li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:1px;color:var(--blue);font-size:13px;font-weight:650}.step-list li+li{padding-top:20px;border-top:1px solid var(--line)}.step-list li+li:before{top:22px}.step-list strong{display:block;font-size:18px;margin-bottom:7px}.step-list p{margin:0;font-size:16px}.small-note{font-size:14px;color:var(--muted);line-height:1.85}.concepts{margin:22px 0}.concepts dt{font-size:18px;font-weight:650;color:var(--ink);margin:22px 0 6px}.concepts dd{margin:0}.source-list{font-size:14px;line-height:1.85}.source-list li{margin-bottom:16px}.guide-cta{background:var(--wash);padding:36px;margin-top:48px}.guide-cta h2{font-size:24px;margin:0 0 14px}.guide-cta p{font-size:15px;color:var(--muted)}.guide-cta a{display:inline-flex;align-items:center;gap:24px;padding:12px 0;font-size:15px;font-weight:600}.guide-footer{margin:0 4.4vw;border-top:1px solid var(--line);padding:28px 0;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.guide-footer a{display:inline-block;padding:6px 0}.directory-head{padding-top:32px}.directory-head h1{font-size:clamp(42px,5vw,72px)}.directory-list{padding:24px 0 64px}.guide-row{display:grid;grid-template-columns:70px minmax(0,1fr) 110px;gap:24px;align-items:start;padding:36px 0;border-bottom:1px solid var(--line)}.guide-number{color:var(--blue);font-size:14px;line-height:2}.guide-row .category{font-size:12px;color:var(--muted);margin:0 0 12px;letter-spacing:.08em}.guide-row h2{font-size:clamp(23px,2.3vw,30px);line-height:1.5;margin:0 0 12px;letter-spacing:-.025em;max-width:780px}.guide-row p{font-size:15px;line-height:1.8;color:var(--muted);margin:0;max-width:680px}.row-action{color:var(--blue);font-size:14px;white-space:nowrap;margin-top:34px;padding:10px 0}.upcoming{font-size:12px;color:var(--muted)}.directory-end{padding:0 0 80px;display:flex;align-items:center;justify-content:space-between;gap:30px}.directory-end p{color:var(--muted);font-size:15px}.directory-end a{color:var(--blue);font-size:15px;padding:12px 0;white-space:nowrap}
/* Scoped styles for the module inserted into the existing home preview. */
.home-guides{padding:90px 6vw;background:#fcfcfb;color:#07152e}.home-guides .guide-module-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}.home-guides .guide-module-head h2{font-size:clamp(34px,3.4vw,52px);line-height:1.3;margin:0;letter-spacing:-.04em}.home-guides .guide-module-head>a{color:#0862ff;font-size:14px;padding:12px 0;white-space:nowrap}.home-guides .guide-module-intro{font-size:16px;color:#58667d;line-height:1.8;margin:16px 0 0}.home-guides .guide-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.home-guides .guide-card{border-top:2px solid #dce3ee;padding-top:24px;display:flex;flex-direction:column;min-width:0}.home-guides .guide-card:first-child{border-color:#0862ff}.home-guides .guide-card .category{color:#58667d;font-size:12px;margin:0 0 18px}.home-guides .guide-card h3{font-size:23px;line-height:1.55;letter-spacing:-.025em;margin:0 0 16px}.home-guides .guide-card>p{font-size:14px;line-height:1.85;color:#58667d;margin:0 0 20px}.home-guides .guide-card>a,.home-guides .guide-card>.upcoming{font-size:13px;margin-top:auto;padding:12px 0;display:block}.home-guides .guide-card>a{color:#0862ff}
@media(max-width:800px){.guide-header{min-height:72px;margin:0 24px;gap:16px}.guide-brand{font-size:21px;gap:8px}.guide-brand img{width:28px;height:28px}.guide-nav{gap:20px}.guide-nav .desktop-only{display:none}.guide-shell{padding:0 24px}.breadcrumb{padding:22px 0;font-size:12px}.guide-hero{padding:26px 0 36px}.guide-hero h1{font-size:38px;line-height:1.3}.guide-hero .intro{font-size:16px}.reading-layout{display:block;padding:28px 0 56px}.toc{position:static;margin-bottom:36px;padding-bottom:24px;border-bottom:1px solid var(--line)}.toc ol{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.toc li{border:0;padding:0;gap:8px}.article-body{font-size:16px;line-height:1.95}.article-body h2{font-size:25px}.article-body section+section{margin-top:40px;padding-top:28px}.answer{padding:20px;margin-bottom:32px}.resource-list>div{grid-template-columns:100px 1fr;gap:16px}.guide-cta{padding:26px}.guide-footer{margin:0 24px;gap:12px}.guide-row{grid-template-columns:32px 1fr;gap:16px;padding:28px 0}.guide-row h2{font-size:24px}.row-action{grid-column:2;margin-top:0;justify-self:start}.guide-row p{font-size:14px}.directory-end{display:block;padding-bottom:48px}.home-guides{padding:64px 6vw}.home-guides .guide-module-head{align-items:start;flex-direction:column;gap:16px;margin-bottom:28px}.home-guides .guide-cards{grid-template-columns:1fr;gap:28px}.home-guides .guide-card h3{font-size:23px}.home-guides .guide-card>p{max-width:560px}.home-guides .guide-card .category{margin-bottom:12px}}
@media(max-width:380px){.guide-header{margin:0 18px}.guide-shell{padding:0 18px}.guide-brand{font-size:19px}.guide-nav{font-size:12px;gap:12px}.guide-hero h1{font-size:33px}.toc ol{grid-template-columns:1fr}.guide-footer{margin:0 18px}.resource-list>div{grid-template-columns:1fr;gap:4px}.guide-cta{padding:22px}.home-guides .guide-card h3{font-size:21px}}

.guide-hero h1 .phrase{display:inline-block;white-space:nowrap}

.home-guides{scroll-margin-top:var(--header,80px)}.home-guides .guide-module-head h2,.home-guides .guide-card h3,.guide-row h2{text-wrap:balance}

.writing-template{background:var(--wash);padding:24px;margin:24px 0;overflow-wrap:anywhere}.writing-template ul{margin-bottom:0}.writing-example{margin:20px 0;padding:4px 0 4px 24px;border-left:3px solid var(--blue)}.writing-example p{margin:0}.related-guides{margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}.related-guides h2{font-size:23px}.related-guides ul{list-style:none;padding:0}.related-guides li{margin:0;padding:0}.related-guides a{display:block;padding:12px 0;font-size:15px;line-height:1.75}.guide-hero h1{text-wrap:balance}@media(max-width:380px){.writing-template{padding:18px}.writing-example{padding-left:18px}}

/* Keep the complete desktop navigation and a readable two-row mobile header. */
.site-nav a,.guide-nav a{white-space:nowrap}
@media(max-width:800px){
:root{--header:112px}
.site-header{height:var(--header);display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;padding-top:12px}
.site-nav{width:100%;min-height:44px;justify-content:space-between;gap:8px}
.guide-header{min-height:112px;flex-direction:column;align-items:flex-start;justify-content:space-between;padding-top:12px;gap:8px}
.guide-nav{width:100%;min-height:44px;justify-content:space-between;gap:8px;font-size:12px}
.guide-nav .optional-nav{display:none}
}