.cx6-route,.cx6-extra,.cx6-material,.cx6-lesson{box-sizing:border-box;min-width:0;max-width:100%;color:#193747;font-family:system-ui,"Microsoft YaHei",sans-serif;line-height:1.85}.cx6-route{background:#f0f7f3;border:1px solid #c9dfd0;border-radius:16px;padding:20px;margin:0 0 24px}.cx6-route ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 28px;margin:10px 0;padding-left:24px}.cx6-route a{color:#176644;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.cx6-route a[aria-current]{font-weight:700;color:#143f2c}.cx6-route p{margin:8px 0 0;font-size:14px}.cx6-lesson>section,.cx6-extra{margin:26px 0;padding:20px;background:#fff;border:1px solid #d7e2e7;border-radius:14px}.cx6-lesson h1{font-size:clamp(24px,4vw,34px);line-height:1.4}.cx6-kicker{font-size:14px;color:#597375}.cx6-lead{font-size:19px}.cx6-lesson h2,.cx6-extra h2{font-size:22px;line-height:1.5}.cx6-lesson h3,.cx6-extra h3{font-size:18px}.cx6-material{margin:18px 0;padding:18px;background:#f5f8fb;border-radius:12px}.cx6-input{display:block;width:100%;min-height:190px;box-sizing:border-box;border:1px solid #afc3cc;border-radius:8px;padding:12px;background:#fff;font:14px/1.75 ui-monospace,Consolas,"Microsoft YaHei",monospace;color:#223d49;resize:vertical;white-space:pre;overflow:auto}.cx6-copy{background:#176644;color:#fff;padding:10px 20px;border:0;border-radius:9px;font-size:15px;cursor:pointer;margin-bottom:12px}.cx6-copy-status{font-size:14px;margin:8px 0;min-height:1.5em}.cx6-lesson details,.cx6-extra details{border:1px solid #c6d7df;padding:14px;border-radius:10px;margin:16px 0;background:#fafcfd}.cx6-lesson summary,.cx6-extra summary{cursor:pointer;font-weight:600;overflow-wrap:anywhere}.cx6-steps{padding-left:25px}.cx6-steps li{margin:18px 0;padding-left:5px}.cx6-image{margin:24px 0;text-align:left}.cx6-image img{display:block;max-width:100%;height:auto;object-fit:contain;border:1px solid #d0dde1;border-radius:8px}.cx6-image figcaption{font-size:14px;margin-top:8px;color:#4a6370}.cx6-diagram{margin:24px 0}.cx6-diagram>div{overflow:auto;max-width:100%;background:#fbfcff;border:1px solid #d7e2e7;border-radius:10px}.cx6-diagram svg{display:block;min-width:660px;max-width:100%;height:auto}.cx6-check{border-left:5px solid #23855b!important}.cx6-save{background:#f0f7f3!important}.cx6-lesson p,.cx6-extra p{overflow-wrap:anywhere}.cx6-copy:focus-visible,.cx6-route a:focus-visible,.cx6-lesson summary:focus-visible,.cx6-input:focus-visible{outline:3px solid #b46914;outline-offset:3px}@media(max-width:560px){.cx6-route ol{grid-template-columns:1fr}.cx6-route,.cx6-lesson>section,.cx6-extra{padding:16px}.cx6-material{padding:12px}.cx6-lesson h2{font-size:20px}.cx6-input{font-size:13px}.cx6-route p{font-size:13px}}