.zero-traffic-control{display:flex;align-items:center;gap:8px;margin:10px 0 12px;font-size:15px;line-height:1.45}.zero-traffic-control input{accent-color:var(--accent);width:18px;height:18px;flex:none}.user-guide{max-width:1120px;padding-bottom:80px}.user-guide h1{font-size:clamp(32px,5vw,64px);line-height:1.12;max-width:900px}.guide-intro{font-size:22px;line-height:1.6;color:var(--muted)}.guide-jumps{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 48px}.guide-jumps a{padding:10px 18px;border:1px solid var(--line);border-radius:24px}.guide-section{padding:36px 0;border-top:1px solid var(--line);scroll-margin-top:30px}.guide-section h2{font-size:clamp(25px,3vw,36px);margin:12px 0}.guide-section p{font-size:20px;line-height:1.65;max-width:950px}.guide-note{padding:20px;border-left:3px solid var(--accent);background:var(--white)}.guide-section figure{margin:24px 0}.guide-section img{display:block;width:100%;max-width:1905px;height:auto;border-radius:16px;border:1px solid var(--line)}.guide-section figcaption{font-size:15px;color:var(--muted);margin-top:12px}.user-guide .button{margin-top:24px}footer [data-user-guide]{margin-left:16px}@media(max-width:600px){.guide-section p,.guide-intro{font-size:18px}.guide-section{padding:24px 0}}