/* AItira v57.76 — source-inspired practical content lab */
.aitira-practical-lab{padding:72px 0;background:linear-gradient(180deg,#f7fbff 0%,#fff 100%)}
.aitira-practical-lab .lab-intro{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:28px;align-items:end;margin-bottom:28px}
.aitira-practical-lab .lab-intro h2{font-size:clamp(30px,4.2vw,52px);line-height:1.08;margin:8px 0 12px;letter-spacing:-.04em}
.aitira-practical-lab .lab-intro p{font-size:17px;line-height:1.75;color:#41536b;margin:0}
.aitira-practical-lab .lab-note{padding:18px 20px;border:1px solid #dce8f5;border-radius:18px;background:#fff;box-shadow:0 12px 30px rgba(31,75,122,.06)}
.aitira-practical-lab .lab-note b{display:block;font-size:14px;margin-bottom:6px;color:#1267b5}
.aitira-practical-lab .lab-note span{display:block;font-size:14px;line-height:1.65;color:#53657a}
.aitira-practical-lab .lab-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.lab-card{border:1px solid #dce8f5;border-radius:24px;background:#fff;box-shadow:0 12px 34px rgba(32,65,110,.06);overflow:hidden}
.lab-card>summary{list-style:none;cursor:pointer;padding:24px 26px;display:flex;gap:18px;align-items:flex-start;position:relative}
.lab-card>summary::-webkit-details-marker{display:none}
.lab-card>summary:after{content:'+';position:absolute;right:24px;top:22px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#eef6ff;color:#1267b5;font-weight:800}
.lab-card[open]>summary:after{content:'−'}
.lab-card .lab-no{flex:0 0 auto;width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#0b63ce;color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(11,99,206,.2)}
.lab-card .lab-head{padding-right:40px}
.lab-card .lab-head small{display:block;color:#0b63ce;font-weight:800;letter-spacing:.08em;margin-bottom:4px}
.lab-card .lab-head h3{font-size:22px;line-height:1.28;margin:0 0 8px;letter-spacing:-.025em;color:#132238}
.lab-card .lab-head p{font-size:15px;line-height:1.65;margin:0;color:#5e6e82}
.lab-card .lab-body{padding:0 26px 26px}
.lab-card .lab-body hr{border:0;border-top:1px solid #edf2f7;margin:0 0 20px}
.lab-steps{display:grid;gap:10px;margin:0 0 18px;padding:0;list-style:none}
.lab-steps li{padding:12px 14px;border-radius:14px;background:#f7faff;color:#263b55;font-size:14px;line-height:1.6}
.lab-steps li b{color:#0b63ce}
.lab-example{padding:16px 18px;border-radius:16px;background:#0e1726;color:#f5f9ff;font-size:14px;line-height:1.7;overflow-wrap:anywhere;margin-top:14px}
.lab-example strong{color:#8fc6ff}
.lab-chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.lab-chips span,.lab-chips a{display:inline-flex;align-items:center;min-height:32px;padding:6px 10px;border-radius:999px;background:#eef6ff;color:#145d9f;font-size:13px;font-weight:700;text-decoration:none}
.lab-linkrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.lab-linkrow a{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 14px;border-radius:12px;background:#0b63ce;color:#fff;text-decoration:none;font-size:14px;font-weight:800}
.lab-linkrow a.secondary{background:#edf5ff;color:#0b63ce}
.lab-warning{margin-top:14px;padding:12px 14px;border-left:4px solid #f5b842;background:#fff9ea;border-radius:10px;color:#6a5518;font-size:13px;line-height:1.6}
.finder-usecase-v5776{padding:62px 0;background:#fbfdff}
.finder-usecase-v5776 .usecase-head{max-width:780px;margin-bottom:24px}
.finder-usecase-v5776 .usecase-head h2{font-size:clamp(28px,4vw,44px);line-height:1.12;margin:8px 0 10px;letter-spacing:-.035em}
.finder-usecase-v5776 .usecase-head p{margin:0;color:#5d6d81;line-height:1.7}
.finder-usecase-grid-v5776{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.finder-usecase-card-v5776{padding:20px;border:1px solid #dce8f5;border-radius:18px;background:#fff;text-decoration:none;color:inherit;transition:transform .18s ease,box-shadow .18s ease}
.finder-usecase-card-v5776:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(31,75,122,.08)}
.finder-usecase-card-v5776 small{display:block;color:#0b63ce;font-weight:800;margin-bottom:8px;letter-spacing:.06em}
.finder-usecase-card-v5776 b{display:block;font-size:18px;line-height:1.35;margin-bottom:8px;color:#132238}
.finder-usecase-card-v5776 span{display:block;font-size:14px;line-height:1.55;color:#637389}
.finder-usecase-note-v5776{margin-top:16px;font-size:13px;line-height:1.65;color:#68798e}
@media(max-width:900px){.aitira-practical-lab .lab-intro{grid-template-columns:1fr}.aitira-practical-lab .lab-grid{grid-template-columns:1fr}.finder-usecase-grid-v5776{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.aitira-practical-lab{padding:52px 0}.lab-card>summary{padding:20px 18px}.lab-card .lab-body{padding:0 18px 20px}.lab-card .lab-no{width:36px;height:36px;border-radius:12px}.lab-card .lab-head h3{font-size:19px}.finder-usecase-v5776{padding:48px 0}.finder-usecase-grid-v5776{grid-template-columns:1fr}}