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h2{font-size:clamp(27px,4.4vw,40px);font-weight:800;line-height:1.35;letter-spacing:-.02em}.dark h3{font-size:clamp(19px,2.6vw,23px);font-weight:700;letter-spacing:-.01em}.dark .center{text-align:center}.dark .sub{color:var(--txt-sub);font-size:15px;margin-top:14px}.dark .mt8{margin-top:8px}.dark .mt16{margin-top:16px}.dark .mt24{margin-top:24px}.dark .mt40{margin-top:40px}.dark .mt56{margin-top:56px}.dark .card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}.dark .grad-box{background:var(--grad);border-radius:20px;padding:38px 30px;text-align:center;font-size:clamp(18px,2.7vw,23px);font-weight:700;line-height:1.6}.dark .accent{color:var(--accent)}.dark .num{font-variant-numeric:tabular-nums}.dark .btn{padding:19px 46px;border-radius:99px;background:var(--grad);color:#fff;font-size:17px;text-decoration:none;border:none;cursor:pointer;box-shadow:0 12px 40px rgba(90,80,230,.45);letter-spacing:-.01em}.dark .btn,.dark 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.btn-line:hover{background:rgba(255,255,255,.09)}.dark .course-grid{display:grid;gap:16px;margin-top:40px}.dark .course-card{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:background .18s,border-color .18s}.dark .course-card:hover{background:var(--card-2);border-color:rgba(123,92,240,.4)}.dark .course-card-top{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap}.dark .course-ttl{font-size:clamp(19px,2.8vw,24px);font-weight:800;letter-spacing:-.02em;flex:1;min-width:220px}.dark .course-sub{color:var(--txt-sub);font-size:14.5px;margin-top:10px;line-height:1.75}.dark .course-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}.dark .chip{padding:7px 14px;border-radius:99px;font-size:12.5px;font-weight:700;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--txt-sub)}.dark 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rgba(123,92,240,.4);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800}.dark .tutor-name{font-size:18px;font-weight:800;letter-spacing:-.01em}.dark .tutor-role{font-size:13px;color:var(--accent);font-weight:700;margin-top:3px}.dark .tutor-bio{font-size:14px;color:var(--txt-sub);line-height:1.85;margin-top:18px}.dark .tutor-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}@media(max-width:640px){.dark .hdr-inner{gap:14px}.dark .hdr-nav{gap:14px;font-size:13px}.dark .tutor-grid{grid-template-columns:1fr}.dark .home-cta .btn,.dark .home-cta .btn-line{width:100%;text-align:center}}