.guide .foot-links{display:flex;gap:20px;flex-wrap:wrap}.guide-hero{padding:54px 0 40px;background:linear-gradient(180deg,#f2f9f6,#fff);border-bottom:1px solid var(--line)}.guide-hero h1{font-size:38px;line-height:1.15;font-weight:800;letter-spacing:-.8px;margin:0}.guide-hero .sub{font-size:17px;color:var(--muted);max-width:640px;margin:16px 0 0;line-height:1.6}.guide-hero .sub a{color:var(--green);font-weight:600}.guide-hero .sub a:hover{text-decoration:underline}.guide-body{display:grid;grid-template-columns:232px minmax(0,1fr);grid-gap:48px;gap:48px;align-items:start;padding-top:40px;padding-bottom:72px}.toc{position:-webkit-sticky;position:sticky;top:78px;max-height:calc(100vh - 100px);overflow-y:auto}.toc-group{margin-bottom:22px}.toc-head{display:block;font-size:11.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--green2);margin-bottom:8px}.toc a{display:block;font-size:14px;line-height:1.45;color:var(--muted);padding:5px 0 5px 12px;border-left:2px solid var(--line)}.toc a:hover{color:var(--ink);border-left-color:var(--green2)}.guide-main{min-width:0}.guide-main .chapter{font-size:13px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--green2);margin:44px 0 0;padding-bottom:10px;border-bottom:1px solid var(--line)}.guide-main>div:first-child .chapter{margin-top:0}.guide-sec{padding:30px 0;border-bottom:1px solid var(--line);scroll-margin-top:80px}.guide-sec:last-child{border-bottom:0}.guide-sec h3{font-size:23px;font-weight:800;letter-spacing:-.4px;margin:0 0 12px}.guide-sec p{color:var(--muted);font-size:15.5px;line-height:1.7;margin:0 0 14px}.guide-sec p.lead{color:var(--ink);font-size:16.5px}.steps{list-style:none;counter-reset:step;margin:0 0 16px;padding:0}.steps li{counter-increment:step;position:relative;padding:0 0 14px 40px;color:var(--muted);font-size:15.5px;line-height:1.65}.steps li:before{content:counter(step);position:absolute;left:0;top:-1px;width:26px;height:26px;border-radius:50%;background:#e8f6f0;color:var(--green);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}.steps li:last-child{padding-bottom:0}.bullets{margin:0 0 16px;padding:0;list-style:none}.bullets li{position:relative;padding:0 0 10px 20px;color:var(--muted);font-size:15.5px;line-height:1.65}.bullets li:before{content:"";position:absolute;left:4px;top:10px;width:6px;height:6px;border-radius:50%;background:var(--green2)}.note{display:flex;gap:12px;align-items:flex-start;border-radius:12px;padding:14px 16px;margin:0 0 16px;font-size:15px;line-height:1.6}.note strong{flex-shrink:0;font-weight:700;font-size:13.5px;padding-top:1px}.note-tip{background:#eef7f3;border:1px solid #cfe9df}.note-tip strong{color:var(--green)}.note-tip span{color:#2c4b41}.note-warn{background:#fff8e8;border:1px solid #f4e0b0}.note-warn strong{color:#8a6100}.note-warn span{color:#5f4708}.shot{margin:22px 0}.shot img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(16,35,28,.08)}.shot figcaption{font-size:13.5px;color:var(--muted);margin-top:10px;text-align:center}.shot-box{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;aspect-ratio:16/10;border:2px dashed #d7e2dc;border-radius:12px;background:#fafcfb}.shot-ic{font-size:26px;opacity:.45}.shot-name{font-size:13px;color:#9aa8a2;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.guide-end{text-align:center;padding:46px 0 0}.guide-end h3{font-size:22px;font-weight:800;margin:0 0 8px}.guide-end p{color:var(--muted);margin:0 0 20px}@media (max-width:900px){.guide-body{grid-template-columns:1fr;gap:0;padding-top:28px}.toc{position:static;max-height:none;overflow:visible;border:1px solid var(--line);border-radius:14px;padding:18px 18px 4px;margin-bottom:30px}.toc nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:0 20px;gap:0 20px}.guide-hero h1{font-size:30px}.guide-sec h3{font-size:20px}}@media (max-width:560px){.toc nav{grid-template-columns:1fr}}