.guide-index-hero,.guide-library-section,.guide-article-hero,.guide-course-section,.related-guide-section,.lesson-article{word-break:keep-all;overflow-wrap:break-word}
.guide-index-hero{padding:105px 0 90px;color:#fff;background:radial-gradient(circle at 82% 10%,rgba(92,190,177,.24),transparent 32%),linear-gradient(135deg,#0b211e 0%,#153b35 100%)}
.guide-index-hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:90px;align-items:end}
.guide-index-hero h1{max-width:720px;margin:0;font-size:clamp(43px,4.2vw,58px);line-height:1.14;letter-spacing:-.05em}
.guide-index-hero h1>span{display:block}
.guide-index-hero h1>span:first-child{white-space:nowrap}
.guide-index-intro>p{max-width:540px;margin:0;color:#c7d9d5;font-size:19px}
.guide-index-stats{display:flex;gap:34px;margin-top:34px;padding-top:25px;border-top:1px solid rgba(255,255,255,.16)}
.guide-index-stats span{color:#a8c0bb;font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.guide-index-stats strong{display:block;margin-bottom:5px;color:#8ed7cd;font-size:35px;line-height:1}
.guide-topic-nav{border-bottom:1px solid var(--line);background:#fff}
.guide-topic-nav .container{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(150px,1fr);overflow-x:auto;scrollbar-width:none}
.guide-topic-nav .container::-webkit-scrollbar{display:none}
.guide-topic-nav a{display:flex;align-items:center;justify-content:center;gap:9px;min-height:62px;padding:14px 10px;border-right:1px solid var(--line);font-size:13px;font-weight:800;white-space:nowrap;transition:.2s}
.guide-topic-nav a:first-child{border-left:1px solid var(--line)}
.guide-topic-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.guide-topic-nav small{color:#8ca09c;font-size:10px}
.guide-library-section{background:#f5f8f7}
.guide-library-heading{display:flex;align-items:end;justify-content:space-between;gap:60px;margin-bottom:44px}
.guide-library-heading h2{margin:0;font-size:clamp(34px,4vw,48px);letter-spacing:-.04em}
.guide-library-heading>p{max-width:560px;margin:0;color:var(--muted)}
.guide-library-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.guide-library-card{display:flex;min-width:0;overflow:hidden;flex-direction:column;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 12px 32px rgba(18,50,45,.05);transition:.25s}
.guide-library-card:hover{transform:translateY(-4px);border-color:#afcec8;box-shadow:0 18px 38px rgba(18,50,45,.1)}
.guide-library-media{position:relative;display:grid;place-items:center;aspect-ratio:1.42/1;overflow:hidden;border-bottom:1px solid var(--line);background:#f1f3f2}
.guide-library-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.guide-library-media:hover img{transform:scale(1.025)}
.guide-library-media>span{position:absolute;top:13px;left:13px;display:grid;place-items:center;width:37px;height:37px;border-radius:50%;background:rgba(11,33,30,.92);color:#fff;font-size:11px;font-weight:900}
.guide-library-body{display:flex;flex:1;flex-direction:column;padding:24px 22px 22px}
.guide-library-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#81918e;font-size:11px}
.guide-library-body h2{margin:17px 0 11px;font-size:21px;line-height:1.35;letter-spacing:-.035em}
.guide-library-body>p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:14px;-webkit-box-orient:vertical;-webkit-line-clamp:4}
.guide-library-footer{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-top:auto;padding-top:25px}
.guide-library-footer>span{max-width:55%;color:#8a9794;font-size:10px;line-height:1.35}
.guide-library-footer .text-link{font-size:12px;white-space:nowrap}

.guide-article-hero{padding:34px 0 75px;color:#fff;background:radial-gradient(circle at 84% 18%,rgba(83,177,165,.25),transparent 30%),linear-gradient(135deg,#0b211e,#173b35)}
.breadcrumbs{display:flex;align-items:center;gap:9px;margin-bottom:42px;color:#9fb6b1;font-size:12px}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs strong{color:#d8e7e4}
.guide-article-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);gap:70px;align-items:center}
.guide-article-title h1{max-width:760px;margin:13px 0 25px;font-size:clamp(42px,4.6vw,65px);line-height:1.16;letter-spacing:-.05em}
.guide-article-title>p:not(.eyebrow){max-width:680px;margin:0;color:#c5d7d3;font-size:18px}
.guide-article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:15px;margin-top:31px;color:#9fb5b0;font-size:11px}
.guide-article-meta>*+*:before{content:"";display:inline-block;width:3px;height:3px;margin:0 15px 3px 0;border-radius:50%;background:#7ba39c}
.guide-hero-figure{overflow:hidden;margin:0;border-radius:16px;background:#fff;box-shadow:0 22px 60px rgba(0,0,0,.22)}
.guide-hero-figure img{width:100%;height:390px;object-fit:cover}
.guide-hero-figure figcaption{display:flex;justify-content:space-between;gap:15px;padding:13px 17px;border-top:1px solid #e3e8e7;color:#51635f;font-size:10px}
.guide-hero-figure figcaption span{flex:0 0 auto;color:#84938f}

.guide-course-section{padding-top:84px}
.guide-course-layout{display:grid;grid-template-columns:minmax(0,850px) minmax(250px,290px);justify-content:space-between;gap:75px}
.guide-course-main{min-width:0}
.guide-course-topics{padding:35px 36px;border-radius:16px;background:var(--brand-soft)}
.guide-course-topics h2,.course-section-heading h2{margin:0 0 23px;font-size:32px;letter-spacing:-.035em}
.guide-course-topics ul{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.guide-course-topics li{display:grid;grid-template-columns:34px 1fr;align-items:start;gap:5px;color:#28423c;font-weight:700}
.guide-course-topics li span{color:var(--brand);font-size:11px;font-weight:900}
.guide-course-media,.guide-course-outline{padding-top:78px;scroll-margin-top:110px}
.course-section-heading{margin-bottom:30px}
.course-section-heading h2{margin-bottom:8px}
.course-section-heading>p:last-child{margin:0;color:var(--muted)}
.course-media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.course-media-item{overflow:hidden;margin:0;border:1px solid var(--line);border-radius:13px;background:#f5f7f6}
.course-media-item img,.course-media-item iframe{width:100%;height:300px;border:0;object-fit:contain;background:#fff}
.course-media-item.is-video{grid-column:1/-1}
.course-media-item.is-video iframe{height:480px;object-fit:cover}
.course-media-item figcaption{padding:12px 15px;color:#687875;font-size:11px}
.course-outline-section{margin-top:24px;border:1px solid var(--line);border-radius:14px;background:#fff;scroll-margin-top:125px}
.course-outline-section>header{display:grid;grid-template-columns:50px 1fr;align-items:center;gap:12px;padding:23px 25px;border-bottom:1px solid var(--line);background:#f7f9f8}
.course-outline-section>header>span{color:var(--brand);font-size:12px;font-weight:900}
.course-outline-section h3{margin:0;font-size:23px;letter-spacing:-.025em}
.course-outline-section header p{margin:3px 0 0;color:var(--muted);font-size:11px}
.course-outline-section ol{margin:0;padding:0;list-style:none}
.course-outline-section li+li{border-top:1px solid #e9efed}
.course-outline-section li a{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:14px;padding:18px 25px;transition:.2s}
.course-outline-section li a:hover{background:var(--brand-soft)}
.course-outline-section li a>span{color:#9aada9;font-size:10px;font-weight:900}
.course-outline-section li strong{font-size:15px}
.course-outline-section li small{color:var(--brand);font-size:10px;font-weight:800;white-space:nowrap}
.guide-course-main .article-cta{display:flex;align-items:center;justify-content:space-between;gap:30px;margin:50px 0 0;padding:34px 36px}
.guide-course-main .article-cta h2{margin:0 0 7px;font-size:28px}
.guide-course-main .article-cta p:not(.eyebrow){max-width:520px;margin:0;color:#52645f;font-size:14px}
.guide-course-main .article-cta .btn{flex:0 0 auto}
.guide-toc{align-self:start;position:sticky;top:145px;padding-left:24px;border-left:1px solid var(--line)}
.guide-toc>p{margin:0 0 16px;color:#82918e;font-size:10px;font-weight:900;letter-spacing:.14em}
.guide-toc ol{display:grid;gap:0;margin:8px 0;padding:6px 0 6px 13px;border-left:1px solid #e3e9e7;list-style:none}
.guide-toc>a,.guide-toc li a{display:flex;gap:9px;padding:8px 0;color:#657571;font-size:12px;line-height:1.4}
.guide-toc li a span{color:#9aaca8;font-size:9px;font-weight:900}
.guide-toc a:hover{color:var(--brand)}
.guide-toc>div{margin-top:25px;padding:21px;border-radius:11px;background:var(--soft)}
.guide-toc>div strong{font-size:14px}
.guide-toc>div p{margin:7px 0 15px;color:var(--muted);font-size:11px}
.guide-toc .btn{color:#fff;font-size:12px}
.related-guide-section{padding:80px 0 95px;background:#f4f7f6}
.related-guide-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
.related-guide-heading h2{margin:0;font-size:34px;letter-spacing:-.035em}
.related-guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-guide-grid>a{display:flex;min-height:220px;flex-direction:column;padding:27px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:.22s}
.related-guide-grid>a:hover{transform:translateY(-4px);border-color:#aacdc6;box-shadow:0 12px 28px rgba(18,50,45,.07)}
.related-guide-grid span{color:var(--brand);font-size:11px;font-weight:900}
.related-guide-grid strong{margin:29px 0 20px;font-size:21px;line-height:1.4}
.related-guide-grid small{margin-top:auto;color:#83918e}

.lesson-hero{padding:34px 0 74px;color:#fff;background:radial-gradient(circle at 82% 20%,rgba(91,190,177,.23),transparent 31%),linear-gradient(135deg,#0b211e,#173b35)}
.lesson-hero .breadcrumbs{margin-bottom:54px}
.lesson-kicker{display:flex;align-items:center;gap:12px;color:#9fd1ca;font-size:12px;font-weight:900;letter-spacing:.04em}
.lesson-kicker span{display:grid;place-items:center;width:35px;height:35px;border:1px solid rgba(159,209,202,.45);border-radius:50%;color:#fff}
.lesson-hero h1{max-width:970px;margin:20px 0 19px;font-size:clamp(42px,5vw,68px);line-height:1.14;letter-spacing:-.05em}
.lesson-hero-inner>p{max-width:720px;margin:0;color:#bfd3cf;font-size:17px}
.lesson-shell{background:#f6f8f7}
.lesson-layout{display:grid;grid-template-columns:minmax(0,850px) minmax(245px,285px);justify-content:space-between;gap:76px;align-items:start}
.lesson-main{min-width:0}
.lesson-content{padding:54px 58px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 16px 42px rgba(18,50,45,.05);color:#2d403b;font-size:17px;line-height:1.78}
.lesson-content>*:first-child{margin-top:0}
.lesson-content>*:last-child{margin-bottom:0}
.lesson-content h2{margin:52px 0 18px;padding-top:8px;color:#122f2a;font-size:32px;line-height:1.32;letter-spacing:-.035em}
.lesson-content h3{margin:40px 0 15px;color:#173b35;font-size:25px;line-height:1.38;letter-spacing:-.025em}
.lesson-content h4{margin:30px 0 12px;color:#234d46;font-size:20px}
.lesson-content p{margin:0 0 21px}
.lesson-content ul,.lesson-content ol{margin:0 0 25px;padding-left:25px}
.lesson-content li{margin:7px 0;padding-left:4px}
.lesson-content strong{color:#102f29}
.lesson-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--brand);background:var(--brand-soft);color:#36564f}
.lesson-content figure{margin:34px 0}
.lesson-content img{display:block;max-width:100%;height:auto;margin:28px auto;border:1px solid #e1e8e6;border-radius:10px;background:#fff}
.lesson-content figcaption{margin-top:-15px;color:#6f7f7b;font-size:12px;text-align:center}
.lesson-content .lesson-video{overflow:hidden;border-radius:12px;background:#0b211e}
.lesson-content .lesson-video iframe,.lesson-content>iframe{display:block;width:100%;aspect-ratio:16/9;height:auto;border:0}
.lesson-content .lesson-video figcaption{margin:0;padding:12px 16px;color:#d8e7e4;text-align:left}
.lesson-content table{display:block;width:100%;overflow-x:auto;margin:30px 0;border-collapse:collapse;font-size:14px}
.lesson-content th,.lesson-content td{min-width:110px;padding:11px 13px;border:1px solid #dce6e3;text-align:left;vertical-align:top}
.lesson-content th{background:#edf5f2;color:#173b35}
.lesson-content pre{overflow-x:auto;padding:20px;border-radius:9px;background:#10241f;color:#e5f0ed;font-size:13px;white-space:pre}
.lesson-content code{font-family:Consolas,"Courier New",monospace}
.lesson-content a{color:var(--brand);font-weight:800;text-decoration:underline;text-underline-offset:3px}
.lesson-pagination{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.lesson-pagination a{display:flex;min-height:118px;flex-direction:column;justify-content:center;padding:22px 24px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:.2s}
.lesson-pagination a:hover{transform:translateY(-2px);border-color:#a9cbc4;box-shadow:0 10px 28px rgba(18,50,45,.07)}
.lesson-pagination small{margin-bottom:8px;color:#82938f;font-size:10px;font-weight:900;letter-spacing:.08em}
.lesson-pagination strong{color:#173b35;font-size:14px;line-height:1.5}
.lesson-pagination-next{text-align:right}
.lesson-sidebar{position:sticky;top:145px;padding:27px 25px;border:1px solid var(--line);border-radius:13px;background:#fff}
.lesson-sidebar h2{margin:7px 0 23px;font-size:21px;line-height:1.38;letter-spacing:-.025em}
.lesson-sidebar dl{margin:0 0 23px;border-top:1px solid var(--line)}
.lesson-sidebar dl>div{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:11px}
.lesson-sidebar dt{color:#81908d}
.lesson-sidebar dd{margin:0;color:#294a43;font-weight:800;text-align:right}
.lesson-cta{padding:70px 0;color:#fff;background:linear-gradient(120deg,#0d2b26,#247166)}
.lesson-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:50px}
.lesson-cta h2{margin:6px 0 9px;font-size:34px;letter-spacing:-.035em}
.lesson-cta p:not(.eyebrow){margin:0;color:#c8ddda}

@media(max-width:1180px){.guide-library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1050px){
  .guide-index-hero-inner{grid-template-columns:1fr;gap:35px}
  .guide-index-intro{max-width:680px}
  .guide-article-hero-grid{grid-template-columns:1fr;gap:45px}
  .guide-hero-figure{max-width:760px}
  .guide-course-layout{grid-template-columns:minmax(0,1fr);max-width:850px}
  .guide-toc{display:none}
  .lesson-layout{grid-template-columns:1fr;max-width:850px}
  .lesson-sidebar{display:none}
}
@media(max-width:820px){
  .guide-topic-nav .container{width:100%;padding:0 14px}
  .guide-library-heading{display:block}
  .guide-library-heading>p{margin-top:16px}
  .guide-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-guide-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .guide-index-hero{padding:70px 0 62px}
  .guide-index-hero h1{font-size:40px}
  .guide-index-hero h1>span:first-child{white-space:normal}
  .guide-index-intro>p{font-size:16px}
  .guide-index-stats{gap:20px}
  .guide-library-grid{grid-template-columns:1fr}
  .guide-library-body{padding:24px 21px}
  .guide-article-hero{padding-bottom:55px}
  .breadcrumbs{margin-bottom:30px}
  .guide-article-title h1{font-size:39px}
  .guide-article-meta{align-items:flex-start;flex-direction:column;gap:5px}
  .guide-article-meta>*+*:before{display:none}
  .guide-hero-figure img{height:280px}
  .guide-hero-figure figcaption{display:block}
  .guide-hero-figure figcaption span{display:block;margin-top:5px}
  .guide-course-section{padding-top:58px}
  .guide-course-topics{padding:27px 23px}
  .guide-course-topics h2,.course-section-heading h2{font-size:28px}
  .course-media-grid{grid-template-columns:1fr}
  .course-media-item.is-video{grid-column:auto}
  .course-media-item img,.course-media-item iframe,.course-media-item.is-video iframe{height:240px}
  .course-outline-section>header{grid-template-columns:36px 1fr;padding:20px 18px}
  .course-outline-section li a{grid-template-columns:32px 1fr;padding:17px 18px}
  .course-outline-section li small{display:none}
  .guide-course-main .article-cta{align-items:flex-start;flex-direction:column;padding:27px 23px}
  .related-guide-heading{align-items:flex-start;flex-direction:column}
  .related-guide-grid{grid-template-columns:1fr}
  .lesson-hero{padding-bottom:55px}
  .lesson-hero .breadcrumbs{margin-bottom:36px;overflow-x:auto;white-space:nowrap}
  .lesson-hero h1{font-size:39px}
  .lesson-content{padding:32px 22px;font-size:16px}
  .lesson-content h2{font-size:28px}
  .lesson-content h3{font-size:23px}
  .lesson-pagination{grid-template-columns:1fr}
  .lesson-pagination>span{display:none}
  .lesson-pagination-next{text-align:left}
  .lesson-cta-inner{align-items:flex-start;flex-direction:column}
  .lesson-cta h2{font-size:29px}
}