:root { font-family: Inter, ui-sans-serif, system-ui, sans-serif; color: #17231f; background: #f3f7f4; }
* { box-sizing: border-box; }
body { margin: 0; background-image: linear-gradient(rgba(23,107,86,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(23,107,86,.045) 1px, transparent 1px); background-size: 72px 72px; }
.guide-shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 30px 0 70px; }
.guide-nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.back, .language { color: #176b56; font-size: 13px; font-weight: 750; text-decoration: none; }
.language { padding: 9px 13px; border: 1px solid #cbdcd4; border-radius: 10px; background: white; }
.hero { padding: clamp(30px, 6vw, 58px); border: 1px solid #d3e1da; border-radius: 24px 24px 0 0; background: linear-gradient(135deg, #fff, #edf8f3); }
.eyebrow { color: #176b56; font-size: 11px; font-weight: 850; letter-spacing: .1em; }
h1 { max-width: 680px; margin: 12px 0; font-size: clamp(35px, 7vw, 62px); line-height: 1; letter-spacing: -.055em; }
.hero p { max-width: 650px; margin: 0; color: #65736d; font-size: 15px; line-height: 1.7; }
.content { padding: clamp(24px, 5vw, 54px); border: 1px solid #d3e1da; border-top: 0; border-radius: 0 0 24px 24px; background: white; }
.quick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 38px; }
.quick div { padding: 16px; border-radius: 13px; background: #f3f8f5; }
.quick strong { display: block; color: #176b56; font-size: 12px; }
.quick span { display: block; margin-top: 5px; color: #718079; font-size: 11px; line-height: 1.45; }
section { margin-top: 38px; }
h2 { margin: 0 0 12px; font-size: 23px; letter-spacing: -.025em; }
h3 { margin: 24px 0 8px; font-size: 15px; }
p, li { color: #586761; font-size: 14px; line-height: 1.7; }
ul { padding-left: 20px; }
pre { overflow-x: auto; padding: 16px; border-radius: 12px; color: #dff8ed; background: #17352c; font: 12px/1.65 ui-monospace, monospace; }
code { font-family: ui-monospace, monospace; }
.note { padding: 15px 17px; border-left: 3px solid #176b56; border-radius: 8px; background: #eff8f4; }
@media (max-width: 650px) { .quick { grid-template-columns: 1fr; } .guide-nav { align-items: flex-start; } }