:root{--guide-ink:#132018;--guide-soft:#536158;--guide-line:rgba(20,92,50,.14);--guide-wash:#f3f8f4;--guide-card:#fff}
.guide-main{padding:2rem 0 5rem}
.guide-breadcrumb{margin:0 0 2rem;color:var(--text-muted);font-size:.86rem}
.guide-breadcrumb a{color:inherit;text-decoration:none}.guide-breadcrumb a:hover{color:var(--accent)}
.guide-hero{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(280px,.82fr);gap:2rem;align-items:end;padding:2rem 0 3.5rem;border-bottom:1px solid var(--guide-line)}
.guide-hero h1,.article-header h1{margin:0;font-family:var(--font-head);font-size:clamp(2.45rem,6vw,5rem);line-height:.98;letter-spacing:-.055em;color:var(--guide-ink)}
.guide-hero p{margin:0;color:var(--guide-soft);font-size:1.08rem;line-height:1.8}
.guide-hero-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.3rem}
.guide-intro{max-width:48rem;margin:2.5rem 0;color:var(--guide-soft);font-size:1.03rem;line-height:1.8}
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.guide-card{display:flex;min-height:100%;flex-direction:column;padding:1.4rem;border:1px solid var(--guide-line);border-radius:22px;background:var(--guide-card);text-decoration:none;color:inherit;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.guide-card:hover{transform:translateY(-3px);border-color:rgba(20,92,50,.34);box-shadow:0 18px 42px rgba(15,38,23,.08)}
.guide-card .guide-number{font-family:var(--font-mono);font-size:.76rem;color:var(--accent);letter-spacing:.08em}
.guide-card h2{margin:1.3rem 0 .55rem;font-family:var(--font-head);font-size:1.35rem;line-height:1.16;letter-spacing:-.025em}
.guide-card p{margin:0;color:var(--guide-soft);line-height:1.65}
.guide-card .guide-link{margin-top:auto;padding-top:1.35rem;color:var(--accent);font-weight:700;font-size:.9rem}
.guide-method{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:2rem;margin-top:4rem;padding:2rem;border-radius:28px;background:var(--guide-wash);border:1px solid var(--guide-line)}
.guide-method h2{margin:0;font-family:var(--font-head);font-size:clamp(1.7rem,3vw,2.45rem);letter-spacing:-.035em}.guide-method p{margin:0;color:var(--guide-soft);line-height:1.8}
.article-header{max-width:58rem;padding:2rem 0 3rem;border-bottom:1px solid var(--guide-line)}
.article-header h1{font-size:clamp(2.35rem,5.5vw,4.65rem)}
.article-dek{max-width:48rem;margin:1.2rem 0 1.3rem;color:var(--guide-soft);font-size:1.12rem;line-height:1.75}
.article-byline{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;color:var(--text-muted);font-size:.84rem}.article-byline strong{color:var(--guide-ink)}
.article-layout{display:grid;grid-template-columns:220px minmax(0,720px);gap:3.5rem;align-items:start;padding-top:3rem}
.article-toc{position:sticky;top:94px;padding:1rem 0;border-top:1px solid var(--guide-line)}
.article-toc strong{font-family:var(--font-head);font-size:.85rem}.article-toc a{display:block;margin-top:.68rem;color:var(--guide-soft);text-decoration:none;font-size:.83rem;line-height:1.35}.article-toc a:hover{color:var(--accent)}
.article-body{font-size:1.02rem;line-height:1.82;color:var(--guide-ink)}
.article-body h2{scroll-margin-top:110px;margin:3rem 0 .8rem;font-family:var(--font-head);font-size:clamp(1.65rem,3vw,2.25rem);line-height:1.12;letter-spacing:-.035em}.article-body h2:first-child{margin-top:0}
.article-body h3{margin:2rem 0 .55rem;font-family:var(--font-head);font-size:1.2rem}.article-body p{margin:0 0 1.25rem}.article-body ul,.article-body ol{margin:.2rem 0 1.5rem;padding-left:1.3rem}.article-body li{margin:.55rem 0;padding-left:.25rem}
.article-note,.article-example,.article-checklist{margin:1.6rem 0;padding:1.25rem 1.35rem;border-radius:18px;border:1px solid var(--guide-line);background:var(--guide-wash)}
.article-note strong,.article-example strong,.article-checklist strong{display:block;margin-bottom:.45rem;font-family:var(--font-head)}
.article-example{background:#fff;border-left:4px solid var(--accent)}
.article-checklist ul{margin-bottom:0}.article-callout{margin-top:3.5rem;padding:1.8rem;border-radius:24px;background:#123f26;color:#fff}.article-callout h2{margin:0 0 .6rem;color:#fff}.article-callout p{color:rgba(255,255,255,.78)}.article-callout a{color:#fff}
.contact-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:1rem;margin-top:2rem}.contact-panel{padding:1.5rem;border:1px solid var(--guide-line);border-radius:22px;background:#fff}.contact-panel h2{margin:0 0 .55rem;font-family:var(--font-head)}.contact-panel p,.contact-panel li{color:var(--guide-soft);line-height:1.7}.contact-email{display:inline-block;margin:1rem 0;font-family:var(--font-head);font-size:clamp(1.25rem,3vw,1.75rem);font-weight:700;color:var(--accent)}
html[data-theme="dark"]{--guide-ink:#edf7ef;--guide-soft:#a9baad;--guide-line:rgba(120,212,143,.15);--guide-wash:#101c14;--guide-card:#0c150f}
html[data-theme="dark"] .guide-card,html[data-theme="dark"] .article-example,html[data-theme="dark"] .contact-panel{background:#0c150f}
@media(max-width:900px){.guide-hero,.guide-method,.contact-grid{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr;gap:1.5rem}.article-toc{position:static;display:grid;grid-template-columns:1fr 1fr;gap:.3rem 1rem}.article-toc strong{grid-column:1/-1}.article-toc a{margin-top:.3rem}}
@media(max-width:620px){.guide-main{padding-top:1rem}.guide-grid{grid-template-columns:1fr}.guide-hero{padding-top:1rem}.guide-hero h1,.article-header h1{font-size:clamp(2.25rem,12vw,3.35rem)}.article-toc{grid-template-columns:1fr}.guide-method{padding:1.3rem}.article-body{font-size:1rem}}