.guide-hero{background:radial-gradient(circle at 80% 20%,#d6efdf 0,transparent 35%),#e7f0ea;padding:80px 0 86px;border-bottom:1px solid #cbded6}
.guide-hero .wrap{max-width:1180px}
.guide-hero h1{font-size:clamp(48px,6.2vw,88px);font-weight:800;line-height:1.03;letter-spacing:-.055em;margin:0 0 25px;max-width:950px}
.guide-hero h1 em{font-style:normal;color:#257478}
.guide-lede{font-size:clamp(18px,2vw,22px);line-height:1.6;max-width:850px;color:#435c60;margin:0}
.guide-actions{display:flex;align-items:center;gap:30px;margin-top:35px}
.guide-update{font-size:13px;line-height:1.6;color:#50696b;margin:38px 0 0;max-width:750px}
.guide-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:66px;align-items:start;padding-top:60px;padding-bottom:100px}
.guide-sidebar{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow:auto;border:1px solid #d4e2da;border-radius:18px;background:#fffefa;padding:22px}
.guide-sidebar h2{font-size:15px;text-transform:uppercase;letter-spacing:.13em;margin:0 0 14px}
.guide-sidebar a{display:flex;gap:11px;text-decoration:none;font-size:13px;line-height:1.35;padding:9px 0;border-top:1px solid #edf0e9;color:#37535a}
.guide-sidebar a:hover,.guide-sidebar a:focus-visible{color:#146b71;text-decoration:underline}
.guide-sidebar a span{font-size:11px;font-weight:800;color:#2d817f;min-width:19px}
.guide-body{min-width:0}
.guide-notice{background:#e3f1ed;border-left:5px solid #398f8d;border-radius:0 14px 14px 0;padding:22px 27px;margin-bottom:56px}
.guide-notice strong{font-size:17px}
.guide-notice p{font-size:15px;line-height:1.68;margin:8px 0 0}
.guide-notice a,.guide-body p a{font-weight:700;text-underline-offset:3px}
.guide-chapter{scroll-margin-top:30px;border-top:1px solid #d5dfd9;padding-top:44px;margin-top:62px}
.guide-chapter:first-of-type{margin-top:0}
.chapter-kicker,.drill-number{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#1b7375}
.guide-chapter h2{font-size:clamp(32px,3.4vw,48px);letter-spacing:-.04em;line-height:1.1;margin:12px 0 24px}
.guide-chapter>p,.practice-card p{font-size:17px;line-height:1.83;color:#354c51;margin:0 0 22px}
.guide-shot{margin:34px 0 5px;background:#102c3a;border-radius:15px;overflow:hidden}
.guide-shot img{display:block;width:100%;height:auto}
.guide-shot figcaption{padding:12px 18px;color:#e5f3ef;font-size:12px;line-height:1.5}
.practice-intro{background:#fff4d6;border-radius:14px;padding:21px 24px}
.practice-card{border:1px solid #dbe5dd;border-radius:18px;background:#fffefa;padding:29px 32px;margin:21px 0;scroll-margin-top:20px}
.practice-card h3{font-size:23px;letter-spacing:-.025em;margin:9px 0 15px}
.practice-card p{font-size:16px;line-height:1.72;margin:0 0 14px}
.practice-card p:last-child{margin-bottom:0}
.practice-card strong{color:#153c47}
.guide-end{background:#e2efe9;padding:38px;border:0;border-radius:22px}
.guide-end .button{margin-top:12px}
@media(max-width:900px){.guide-layout{grid-template-columns:210px minmax(0,1fr);gap:34px}.guide-sidebar{padding:17px}}
@media(max-width:680px){.guide-hero{padding:55px 0 62px}.guide-actions{align-items:flex-start;flex-direction:column;gap:22px}.guide-layout{display:block;padding-top:28px;padding-bottom:65px}.guide-sidebar{position:static;max-height:280px;margin-bottom:45px}.guide-chapter{margin-top:45px;padding-top:34px}.guide-chapter>p{font-size:16px;line-height:1.76}.practice-card{padding:22px}.practice-card p{font-size:15px}.guide-end{padding:26px}}