.hybrid-hero:where(.astro-67xdewjr) .hybrid-problem:where(.astro-67xdewjr){max-width:780px;margin:28px 0 0;padding:2px 0 2px 22px;border-inline-start:2px solid #b9362c}.hybrid-hero:where(.astro-67xdewjr) .hybrid-problem-label:where(.astro-67xdewjr){margin:0 0 9px;color:#b9362c;font-size:11px;font-weight:600;line-height:1.4;letter-spacing:.12em;text-transform:uppercase}.hybrid-hero:where(.astro-67xdewjr) .hybrid-problem-lead:where(.astro-67xdewjr){max-width:720px;margin:0;color:#14303e;font-size:20px;font-weight:500;line-height:1.5;letter-spacing:-.2px;text-wrap:pretty}.hybrid-hero:where(.astro-67xdewjr) .hybrid-problem-detail:where(.astro-67xdewjr){max-width:740px;margin:10px 0 0;color:#435e68;font-size:16px;font-weight:400;line-height:1.7;text-wrap:pretty}.hybrid-hero:where(.astro-67xdewjr) .standfirst:where(.astro-67xdewjr){margin-top:25px;font-size:18px;color:#435e68}@media(max-width:650px){.hybrid-hero:where(.astro-67xdewjr) .hybrid-problem:where(.astro-67xdewjr){margin-top:24px;padding-inline-start:17px}.hybrid-hero:where(.astro-67xdewjr) .hybrid-problem-lead:where(.astro-67xdewjr){font-size:18px}.hybrid-hero:where(.astro-67xdewjr) .hybrid-problem-detail:where(.astro-67xdewjr){font-size:15px;line-height:1.65}.hybrid-hero:where(.astro-67xdewjr) .standfirst:where(.astro-67xdewjr){margin-top:24px;font-size:17px}}.hybrid-article:where(.astro-67xdewjr){max-width:1080px;margin:auto;padding:44px 28px 72px;color:#14303e}.hybrid-hero:where(.astro-67xdewjr){max-width:850px;margin:0 0 30px}.back:where(.astro-67xdewjr){font-size:14px;color:#086d9e;text-decoration:none}.eyebrow:where(.astro-67xdewjr){font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#34666e;font-weight:600;margin:24px 0 12px}h1:where(.astro-67xdewjr){font-size:clamp(34px,5vw,54px);font-weight:600;line-height:1.1;letter-spacing:-1.3px;margin:0 0 19px}h2:where(.astro-67xdewjr){font-size:27px;font-weight:600;line-height:1.3;letter-spacing:-.4px;margin:0 0 17px}.standfirst:where(.astro-67xdewjr){font-size:21px;line-height:1.55;max-width:780px;margin:0}p:where(.astro-67xdewjr){font-size:17px;line-height:1.75;margin:0 0 20px}a:where(.astro-67xdewjr){color:#086d9e;text-underline-offset:4px}a:where(.astro-67xdewjr):focus-visible,summary:where(.astro-67xdewjr):focus-visible{outline:3px solid #0b75b7;outline-offset:4px}.key-points:where(.astro-67xdewjr){padding:22px 24px;background:#eff6f5;border:1px solid #dae7e4;border-radius:12px;margin-bottom:35px}.key-points:where(.astro-67xdewjr) ol:where(.astro-67xdewjr){counter-reset:point;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;list-style:none;margin:0;padding:0}.key-points:where(.astro-67xdewjr) li:where(.astro-67xdewjr){counter-increment:point;min-width:0}.key-points:where(.astro-67xdewjr) strong:where(.astro-67xdewjr){display:block;font-size:16px;margin-bottom:7px}.key-points:where(.astro-67xdewjr) strong:where(.astro-67xdewjr):before{content:counter(point,decimal-leading-zero)" / ";color:#007d80}.key-points:where(.astro-67xdewjr) span:where(.astro-67xdewjr){display:block;font-size:14px;line-height:1.6;color:#435e68}.film:where(.astro-67xdewjr){margin:0 0 54px;scroll-margin-top:25px}.film-heading:where(.astro-67xdewjr){display:flex;flex-wrap:wrap;gap:9px 24px;align-items:baseline;justify-content:space-between;margin-bottom:16px}.film-heading:where(.astro-67xdewjr) h2:where(.astro-67xdewjr){font-size:23px;margin:0}.film-heading:where(.astro-67xdewjr)>span:where(.astro-67xdewjr){font-size:13px;color:#526e78}video:where(.astro-67xdewjr){display:block;width:100%;height:auto;aspect-ratio:4/3;background:#f4f8f7;border:1px solid #dce7e8;border-radius:12px}.caption:where(.astro-67xdewjr){font-size:14px;color:#526e78;line-height:1.6;margin:13px 0}.film-links:where(.astro-67xdewjr){display:flex;gap:20px;flex-wrap:wrap;font-size:14px}.transcript:where(.astro-67xdewjr){margin:22px 0 0;padding:16px 0;border-block:1px solid #dce7e8}.transcript:where(.astro-67xdewjr) summary:where(.astro-67xdewjr){cursor:pointer;font-size:15px}.transcript:where(.astro-67xdewjr) p:where(.astro-67xdewjr){font-size:15px;margin:16px 0 0}.guide-intro:where(.astro-67xdewjr),.steps:where(.astro-67xdewjr),.other-causes:where(.astro-67xdewjr),.technique-sources:where(.astro-67xdewjr){max-width:800px;margin-inline:auto}.guide-intro:where(.astro-67xdewjr){margin-bottom:25px}.guide-intro:where(.astro-67xdewjr) .eyebrow:where(.astro-67xdewjr){margin-top:0}.guide-intro:where(.astro-67xdewjr) h2:where(.astro-67xdewjr){font-size:32px}.guide-nav:where(.astro-67xdewjr){display:flex;flex-wrap:wrap;gap:10px;max-width:800px;margin:0 auto 35px}.guide-nav:where(.astro-67xdewjr) a:where(.astro-67xdewjr){display:flex;gap:8px;border:1px solid #d7e5e4;border-radius:7px;padding:9px 12px;text-decoration:none;font-size:13px;line-height:1.5}.guide-nav:where(.astro-67xdewjr) span:where(.astro-67xdewjr){color:#007d80}.step:where(.astro-67xdewjr){margin-bottom:40px;scroll-margin-top:28px}.step-title:where(.astro-67xdewjr){display:flex;gap:13px;align-items:baseline}.step-title:where(.astro-67xdewjr)>span:where(.astro-67xdewjr){font-size:13px;color:#007d80}.step-title:where(.astro-67xdewjr) h2:where(.astro-67xdewjr){margin-bottom:16px}.handfile-photo:where(.astro-67xdewjr){max-width:640px;margin:28px auto}.handfile-photo:where(.astro-67xdewjr) img:where(.astro-67xdewjr){display:block;width:100%;height:auto;border-radius:12px}figcaption:where(.astro-67xdewjr){font-size:13px;color:#526e78;line-height:1.6;margin-top:12px}.other-causes:where(.astro-67xdewjr){padding-top:28px;border-top:1px solid #dce7e8}.other-causes:where(.astro-67xdewjr) h2:where(.astro-67xdewjr){font-size:23px}.technique-sources:where(.astro-67xdewjr){font-size:13px;margin-top:30px;color:#526e78}.technique-sources:where(.astro-67xdewjr) summary:where(.astro-67xdewjr){cursor:pointer}.technique-sources:where(.astro-67xdewjr) p:where(.astro-67xdewjr){font-size:13px;margin:14px 0 0}.related:where(.astro-67xdewjr){max-width:800px;margin:34px auto 0;display:flex;gap:24px;flex-wrap:wrap;font-size:14px}.diagram:where(.astro-67xdewjr) .pathfigure{background:#f5f9f9;border:1px solid #dce7e8;border-radius:12px;padding:18px;margin:28px 0}.diagram:where(.astro-67xdewjr) svg{display:block;width:100%;height:auto;overflow:hidden}.diagram:where(.astro-67xdewjr) .canal-pair{display:grid;grid-template-columns:minmax(0,1fr) 34px minmax(0,1fr);gap:12px;align-items:start}.diagram:where(.astro-67xdewjr) .canal-panel{min-width:0}.diagram:where(.astro-67xdewjr) .canal-panel h3{font-size:18px;line-height:1.4;font-weight:500;min-height:102px;margin:0 0 12px;color:#31515c}.diagram:where(.astro-67xdewjr) .canal-panel h3 span{display:block;font-size:15px;font-weight:400;margin-top:6px}.diagram:where(.astro-67xdewjr) .canal-panel svg{max-width:240px;margin:auto}.diagram:where(.astro-67xdewjr) .canal-arrow{align-self:center;margin-top:70px}.diagram:where(.astro-67xdewjr) figcaption{font-size:13px;color:#526e78;line-height:1.6;margin-top:12px}@media(max-width:650px){.hybrid-article:where(.astro-67xdewjr){padding:30px 20px 48px}h1:where(.astro-67xdewjr){letter-spacing:-.6px}.standfirst:where(.astro-67xdewjr){font-size:19px}.key-points:where(.astro-67xdewjr){padding:19px}.key-points:where(.astro-67xdewjr) ol:where(.astro-67xdewjr){grid-template-columns:1fr;gap:18px}.key-points:where(.astro-67xdewjr) strong:where(.astro-67xdewjr){margin-bottom:3px}.film:where(.astro-67xdewjr){margin-bottom:38px}.film-heading:where(.astro-67xdewjr) h2:where(.astro-67xdewjr){font-size:21px}h2:where(.astro-67xdewjr){font-size:24px}.guide-intro:where(.astro-67xdewjr) h2:where(.astro-67xdewjr){font-size:28px}.guide-nav:where(.astro-67xdewjr){display:grid}.diagram:where(.astro-67xdewjr) .pathfigure{padding:12px}.diagram:where(.astro-67xdewjr) .canal-pair{grid-template-columns:1fr;gap:20px}.diagram:where(.astro-67xdewjr) .canal-panel h3{min-height:0;max-width:310px;margin:0 auto 12px}.diagram:where(.astro-67xdewjr) .canal-panel svg{max-width:190px}.diagram:where(.astro-67xdewjr) .canal-arrow{width:30px;margin:0 auto;transform:rotate(90deg)}}