.thowl-school-proof-card,.thowl-case-study{--ink:#0c2f54;--muted:#566579;--line:#dce6eb;--soft:#f5f9fa;--accent:#007f69;--warm:#fff8ed}
.thowl-school-proof-card{
    max-width:1180px;margin:44px auto 0;padding:34px;border:1px solid var(--line);border-radius:22px;background:var(--warm)
}
.thowl-proof-kicker{display:inline-block;color:#006f83;font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.thowl-school-proof-card h2{margin:.45rem 0 .7rem;color:var(--ink);font-size:clamp(1.6rem,3vw,2.35rem)}
.thowl-school-proof-card>p{max-width:900px;color:var(--muted);line-height:1.7}
.thowl-proof-points,.thowl-case-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}
.thowl-proof-points>div,.thowl-case-points>div{padding:17px;border-radius:15px;background:#fff;border:1px solid var(--line)}
.thowl-proof-points strong,.thowl-proof-points span,.thowl-case-points strong,.thowl-case-points span{display:block}
.thowl-proof-points strong,.thowl-case-points strong{color:var(--ink);margin-bottom:6px}
.thowl-proof-points span,.thowl-case-points span{color:var(--muted);line-height:1.55}
.thowl-proof-note{font-size:.92rem}
.thowl-proof-btn{display:inline-block;margin-top:8px;padding:11px 17px;border-radius:999px;background:var(--accent);color:#fff!important;text-decoration:none!important;font-weight:800}
.thowl-case-study{max-width:1180px;margin:0 auto;padding:20px}
.thowl-case-hero{text-align:center;max-width:880px;margin:0 auto 34px;padding:40px 20px}
.thowl-case-hero h1{color:var(--ink);font-size:clamp(2.1rem,4.5vw,4rem);line-height:1.05;margin:.45rem 0 1rem}
.thowl-case-hero p{color:var(--muted);font-size:1.08rem;line-height:1.7}
.thowl-case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.thowl-case-grid>div{padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff}
.thowl-step{font-weight:900;color:var(--accent)}
.thowl-case-grid h2{color:var(--ink);margin:.45rem 0 .6rem}
.thowl-case-grid p,.thowl-case-evidence p,.thowl-case-cta p{color:var(--muted);line-height:1.7}
.thowl-case-principles,.thowl-case-evidence{margin-top:28px;padding:30px;border-radius:20px;background:var(--soft);border:1px solid var(--line)}
.thowl-case-principles h2,.thowl-case-evidence h2,.thowl-case-cta h2{color:var(--ink)}
.thowl-case-points{grid-template-columns:repeat(2,minmax(0,1fr))}
.thowl-case-cta{margin:28px 0 10px;padding:34px;border-radius:20px;background:var(--ink);color:#fff;text-align:center}
.thowl-case-cta h2{color:#fff;margin-top:0}.thowl-case-cta p{color:#d9e5ee;max-width:760px;margin:0 auto 18px}
.thowl-case-cta a{display:inline-block;margin:5px;padding:10px 16px;border-radius:999px;background:#fff;color:var(--ink)!important;text-decoration:none!important;font-weight:800}
@media(max-width:760px){
    .thowl-proof-points,.thowl-case-grid,.thowl-case-points{grid-template-columns:1fr}
    .thowl-school-proof-card{padding:22px}
}