.tc-page{width:100%;padding-bottom:2.5rem}.tc-hero{margin:.25rem 0 1.5rem;padding:1.15rem 1.25rem 1.25rem;border:1px solid var(--site-border-muted,#e5e7eb);border-radius:10px;background:var(--site-surface-card,#fff)}.tc-hero h1{margin:0;font-size:1.375rem;font-weight:700;color:var(--site-text,#111827);letter-spacing:-.01em;line-height:1.35}.tc-hero p{margin:.45rem 0 0;max-width:46rem;font-size:.9rem;line-height:1.65}.tc-hero p,.tc-hero__meta{color:var(--site-text-muted,#64748b)}.tc-hero__meta{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;margin-top:.85rem;padding-top:.85rem;border-top:1px solid var(--site-border-muted,#eef0f3);font-size:.8rem}.tc-hero__meta strong{font-weight:600;color:var(--site-text,#334155)}.tc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.15rem}.tc-card{display:flex;flex-direction:column;border:1px solid var(--site-border-muted,#e5e7eb);border-radius:10px;background:var(--site-surface-card,#fff);overflow:hidden;transition:border-color .15s ease,box-shadow .15s ease}.tc-card:hover{border-color:color-mix(in srgb,var(--tc-accent,#64748b) 45%,#e5e7eb);box-shadow:0 2px 10px rgba(15,23,42,.05)}.tc-card__preview{position:relative;height:200px;background:linear-gradient(180deg,color-mix(in srgb,var(--tc-accent,#94a3b8) 8%,#f8fafc) 0,#f1f5f9 100%);overflow:hidden;border-bottom:1px solid var(--site-border-muted,#eef0f3)}.tc-card__body{display:flex;flex:1;flex-direction:column;gap:.4rem;padding:1rem 1.05rem 1.1rem}.tc-card__name-row{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem}.tc-card__name{margin:0;font-size:1.05rem;font-weight:700;color:var(--site-text,#111827);line-height:1.35}.tc-card__accent-dot{flex-shrink:0;width:.55rem;height:.55rem;border-radius:999px;background:var(--tc-accent,#64748b);margin-top:.35rem}.tc-card__blurb{margin:0;font-size:.8rem;color:var(--site-text-muted,#64748b);line-height:1.45}.tc-card__desc{margin:.1rem 0 0;flex:1;font-size:.875rem;color:var(--site-text,#475569);line-height:1.55}.tc-card__meta{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.35rem}.tc-tag{font-size:.7rem;line-height:1.2;padding:.2rem .45rem;border-radius:4px;border:1px solid var(--site-border-muted,#e5e7eb);background:var(--site-surface-soft,#f8fafc);color:var(--site-text-muted,#64748b)}.tc-tag--ok{border-color:#bbf7d0;background:#f0fdf4;color:#166534}.tc-tag--html{border-color:#bfdbfe;background:#eff6ff;color:#1e40af}.tc-card__actions{display:flex;gap:.5rem;margin-top:.75rem;padding-top:.85rem;border-top:1px solid var(--site-border-muted,#eef0f3)}.tc-btn{flex:1;text-align:center;font-size:.8125rem;font-weight:600;padding:.5rem .65rem;border-radius:7px;border:1px solid transparent;text-decoration:none;transition:background .12s ease,border-color .12s ease,color .12s ease}.tc-btn--primary{background:var(--tc-accent,#1b7a4a);color:#fff}.tc-btn--primary:hover{filter:brightness(1.04)}.tc-btn--ghost{background:transparent;border-color:var(--site-border,#d1d5db);color:var(--site-text,#334155)}.tc-btn--ghost:hover{background:var(--site-surface-soft,#f8fafc)}.tc-mini{position:absolute;inset:16px 20px 14px;background:#fff;border-radius:3px;border:1px solid #e2e8f0;box-shadow:0 1px 4px rgba(15,23,42,.06);padding:10px 12px;font-size:9px;line-height:1.35;color:#222;overflow:hidden}.tc-mini--landscape{inset:30px 14px 20px}.tc-mini__bar{height:16px;border-radius:3px;background:var(--tc-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:8px;letter-spacing:.02em;margin-bottom:6px}.tc-mini__title{text-align:center;font-weight:700;font-size:10px;margin-bottom:4px;color:#111}.tc-mini__sub{text-align:center;color:var(--tc-accent)}.tc-mini__meta,.tc-mini__sub{font-size:7.5px;margin-bottom:8px}.tc-mini__meta{display:flex;justify-content:space-between;color:#555;padding-bottom:5px;border-bottom:1px solid #e5e7eb}.tc-mini__q{display:flex;gap:5px;margin-bottom:7px;align-items:flex-start}.tc-mini__num{flex-shrink:0;width:12px;height:12px;border-radius:50%;background:var(--tc-accent);color:#fff;font-size:7px;font-weight:700;display:flex;align-items:center;justify-content:center}.tc-mini__num--plain{border-radius:0;background:transparent;color:var(--tc-accent);width:auto;height:auto;font-size:9px}.tc-mini__lines{flex:1}.tc-mini__line{height:3px;background:#e5e7eb;border-radius:1px;margin-bottom:3px}.tc-mini__line:nth-child(2){width:85%}.tc-mini__line:nth-child(3){width:60%}.tc-mini__opts{display:flex;gap:6px;margin-left:17px;margin-bottom:6px;color:#6b7280;font-size:7px}.tc-mini__frame{position:absolute;inset:12px 14px 12px;border:1.5px dashed var(--tc-accent);border-radius:3px;padding:8px 10px;background:#fff}.tc-mini__badge{margin:0 auto 6px;width:72%;text-align:center;background:var(--tc-accent);color:#fff;font-weight:700;font-size:8px;padding:3px 6px;border-radius:4px}.tc-mini__wrong{display:grid;grid-template-columns:28% 1fr;gap:6px;height:100%}.tc-mini__side{display:flex;flex-direction:column;gap:4px}.tc-mini__box{background:color-mix(in srgb,var(--tc-accent) 14%,#fff);border:1px solid color-mix(in srgb,var(--tc-accent) 45%,#fff);border-radius:3px;height:22px}.tc-mini__box:nth-child(3){height:36px}.tc-mini__main{display:flex;flex-direction:column;gap:5px}.tc-mini__sec{background:color-mix(in srgb,var(--tc-accent) 28%,#fff);height:12px;border-radius:2px;font-size:7px;font-weight:700;display:flex;align-items:center;padding:0 5px;color:#1f2937}.tc-mini__ppt-title{text-align:center;color:var(--tc-accent);font-weight:700;font-size:10px;margin-bottom:4px}.tc-mini__ppt-count{text-align:center;font-size:7.5px;color:#6b7280;margin-bottom:14px}.tc-mini__ppt-body{margin:0 10px}.tc-mini__lecture{border-left:3px solid var(--tc-accent);padding-left:8px}@media (max-width:1100px){.tc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.tc-grid{grid-template-columns:1fr}.tc-hero{padding:1rem}.tc-card__preview{height:176px}}