.guides-intro { padding-block: 32px 36px; }
.guides-intro h1 { font-size: clamp(44px,6vw,72px); letter-spacing: -.045em; margin-bottom: 16px; }
.guides-intro>p:not(.eyebrow) { max-width: 650px; font-size: 22px; color: var(--muted); line-height: 1.6; }
.guide-topic-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.guide-topic-links a { padding: 12px 18px; border: 1px solid #d9e4f4; border-radius: 12px; color: #2556e8; font-size: 16px; background: white; }
.guide-topic-links a:hover { background: #edf3ff; }
.guide-start { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; padding-block: 20px 40px; }
.guide-start>.guide-art { min-height: 340px; border-radius: 24px; }
.guide-start h2 { font-size: clamp(28px,3.5vw,42px); line-height: 1.18; letter-spacing: -.035em; }
.guide-start p:not(.eyebrow) { font-size: 20px; line-height: 1.65; color: var(--muted); margin-block: 20px 26px; }
.guide-art { position: relative; overflow: hidden; isolation: isolate; min-height: 190px; background: #eaf0ff; display: grid; place-items: center; }
.guide-art-cloud { background: #e5f4f3; }
.guide-art-key { background: #eeebfc; }
.guide-art-orbit { position: absolute; width: 250px; height: 250px; border: 1px solid #ffffffbb; border-radius: 50%; box-shadow: 0 0 0 35px #ffffff33,0 0 0 70px #ffffff22; }
.guide-art-stack { position: relative; width: 180px; height: 135px; transform: rotate(-8deg); }
.guide-art-stack img { position: absolute; width: 115px; height: 135px; object-fit: cover; border: 6px solid white; border-bottom-width: 20px; border-radius: 9px; box-shadow: 0 12px 24px #22366916; }
.guide-art-stack img+img { inset-inline-start: 65px; top: 8px; transform: rotate(18deg); }
.guide-art-seal { position: absolute; width: 70px; height: 70px; background: #2556e8; border: 4px solid white; border-radius: 22px; color: white; display: grid; place-items: center; transform: translate(70px,40px); box-shadow: 0 10px 24px #24488224; }
.guide-art-seal svg { width: 42px; height: 42px; }
.guide-art-cloud .guide-art-seal { background: #16716d; }
.guide-art-key .guide-art-seal { background: #6d52b6; }
.guide-start .guide-art-stack { scale: 1.4; }
.guide-start .guide-art-seal { width: 88px; height: 88px; transform: translate(100px,58px); }
.guide-category { padding-top: 36px; scroll-margin-top: 28px; }
.guide-category-heading { margin-bottom: 24px; border-top: 1px solid #dfe7f5; padding-top: 28px; }
.guide-category-heading h2,.guides-help h2,.guide-related>h2 { font-size: 28px; line-height: 1.3; margin-bottom: 10px; letter-spacing: -.025em; }
.guide-category-heading p { font-size: 18px; color: var(--muted); line-height: 1.6; max-width: 680px; }
.guide-card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.guide-card { position: relative; border: 1px solid #dfe7f5; border-radius: 20px; background: white; overflow: hidden; transition: box-shadow .2s,border-color .2s; }
.guide-card:hover { border-color: #9eb5ed; box-shadow: 0 12px 30px #2448820d; }
.guide-card-copy { padding: 24px; }
.guide-read-time { font-size: 15px; color: #526785; margin-bottom: 12px; }
.guide-card h3 { font-size: 23px; line-height: 1.35; letter-spacing: -.025em; margin-bottom: 12px; }
.guide-card h3 a::after { content: ''; position: absolute; inset: 0; border-radius: 20px; }
.guide-card:focus-within { outline: 3px solid #2556e8; outline-offset: 4px; }
.guide-card-copy>p:not(.guide-read-time) { font-size: 17px; line-height: 1.65; color: var(--muted); }
.guide-card-arrow { display: block; margin-top: 22px; color: #2556e8; font-size: 16px; font-weight: 600; }
.guides-help { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding-block: 64px; }
.guides-help>div { border-top: 1px solid #dfe7f5; padding-top: 24px; }
.guides-help p { color: var(--muted); font-size: 18px; line-height: 1.7; }
.guides-help .text-link { display: inline-block; margin-top: 18px; margin-inline-end: 24px; font-size: 17px; }
.guide-article-header { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 52px; align-items: center; padding-block: 24px 42px; border-bottom: 1px solid #dfe7f5; margin-bottom: 40px; }
.guide-back { display: inline-block; font-size: 16px; color: #2556e8; margin-bottom: 28px; }
.guide-article-header h1 { font-size: clamp(34px,4.2vw,52px); line-height: 1.15; letter-spacing: -.04em; max-width: 760px; }
.guide-article-header>.guide-art { min-height: 280px; border-radius: 24px; }
.guide-article-description { font-size: 21px; line-height: 1.6; color: var(--muted); margin-block: 20px; }
.guide-article-meta { display: flex; flex-wrap: wrap; gap: 6px 20px; color: #526785; font-size: 15px; line-height: 1.7; }
.guide-article-layout { display: grid; grid-template-columns: 235px minmax(0,740px); gap: 60px; align-items: start; }
.guide-contents { position: sticky; top: 28px; }
.guide-contents nav { display: grid; gap: 2px; padding-inline-end: 20px; }
.guide-contents strong { font-size: 16px; padding-bottom: 12px; }
.guide-contents a { font-size: 16px; color: #526785; line-height: 1.5; padding: 9px 12px; border-inline-start: 2px solid #e1e8f5; }
.guide-contents a:hover,.guide-contents a:focus-visible { color: #2556e8; background: #f3f6ff; border-color: #2556e8; }
.guide-article-body { min-width: 0; }
.guide-article-body h2 { font-size: 30px; line-height: 1.3; letter-spacing: -.025em; margin-bottom: 20px; }
.guide-article-body p,.guide-article-body li { font-size: 20px; line-height: 1.75; color: #435574; }
.guide-article-body p+p { margin-top: 18px; }
.guide-quick-answer { border-inline-start: 4px solid #2556e8; background: #f1f5ff; border-radius: 0 18px 18px 0; padding: 28px 32px; scroll-margin-top: 24px; }
.guide-quick-answer h2 { font-size: 18px; color: #2556e8; margin-bottom: 12px; }
.guide-quick-answer strong { display: block; font-size: 18px; line-height: 1.6; margin-top: 20px; padding-top: 18px; border-top: 1px solid #d7e2fc; }
.guide-prose-section { padding-block: 36px; border-bottom: 1px solid #e1e8f5; scroll-margin-top: 24px; }
.guide-article-body .guide-section-label { font-size: 14px; color: #2556e8; font-weight: 600; letter-spacing: .08em; margin-bottom: 12px; }
.guide-steps { counter-reset: guide-step; list-style: none; padding: 0; margin-top: 26px; }
.guide-steps li { counter-increment: guide-step; position: relative; padding: 16px 0 16px 56px; border-top: 1px solid #e1e8f5; }
.guide-steps li::before { content: counter(guide-step); position: absolute; left: 0; top: 17px; width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: #edf2ff; color: #2556e8; font-size: 16px; font-weight: 600; }
.guide-practical-note { margin-top: 24px; padding: 22px 24px; border: 1px solid #dde5f1; border-radius: 12px; background: #f8fafc; }
.guide-practical-note strong { display: block; font-size: 16px; color: #253b60; margin-bottom: 8px; }
.guide-practical-note p { font-size: 18px; }
.guide-sources { padding-top: 28px; }
.guide-sources h2 { font-size: 22px; }
.guide-sources p,.guide-sources li { font-size: 16px; }
.guide-sources ul { list-style: disc; padding-inline-start: 22px; margin-top: 18px; }
.guide-sources li { margin-block: 12px; }
.guide-sources a { color: #2556e8; text-decoration: underline; text-underline-offset: 3px; }
.guide-related { padding-block: 64px; }
.guide-related>h2 { margin-bottom: 24px; }
.guide-related>.text-link { display: inline-block; margin-top: 28px; }
@media(max-width: 1000px) {
  .guide-card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .guide-article-header { grid-template-columns: minmax(0,1fr) 220px; gap: 28px; }
  .guide-article-layout { grid-template-columns: 195px minmax(0,1fr); gap: 30px; }
}
@media(max-width: 760px) {
  .guide-start { grid-template-columns: 1fr; gap: 28px; }
  .guide-start>.guide-art { min-height: 250px; }
  .guide-article-header { grid-template-columns: 1fr; }
  .guide-article-header>.guide-art { min-height: 180px; }
  .guide-article-layout { grid-template-columns: 1fr; gap: 28px; }
  .guide-contents { position: static; }
  .guide-contents nav { grid-template-columns: 1fr 1fr; gap: 0 12px; padding: 0; }
  .guide-contents strong { grid-column: 1/-1; }
  .guide-article-body p,.guide-article-body li { font-size: 18px; }
  .guide-article-body h2 { font-size: 27px; }
  .guide-quick-answer { padding: 24px; }
  .guides-help { gap: 28px; }
}
@media(max-width: 520px) {
  .guide-card-grid,.guides-help { grid-template-columns: 1fr; }
  .guide-card>.guide-art { min-height: 170px; }
  .guide-contents nav { grid-template-columns: 1fr; }
  .guide-contents a { padding-block: 8px; }
  .guide-article-header { margin-bottom: 28px; }
}
@media(prefers-reduced-motion: reduce) { .guide-card { transition: none; } }