:root{--font-family-cjk-zh: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;--font-family-cjk-ja: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;--font-family-cjk-ko: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", "Nanum Gothic", sans-serif}.set-detail-page[data-astro-cid-nyhgflbn]{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#020617;color:#fff;overflow-x:hidden}.container[data-astro-cid-nyhgflbn]{max-width:1120px;margin:0 auto;padding:0 1.5rem;width:100%;box-sizing:border-box}.section-title[data-astro-cid-nyhgflbn]{font-family:Space Grotesk,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:clamp(1.8rem,4vw,2.4rem);font-weight:700;letter-spacing:-.02em;line-height:1.2;color:#fff;margin:0 0 1rem}.section-subtitle[data-astro-cid-nyhgflbn]{font-size:clamp(1rem,1.6vw,1.125rem);line-height:1.65;color:#cbd5e1;margin:0 0 2.5rem}.btn-primary[data-astro-cid-nyhgflbn]{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.75rem;border-radius:9999px;background:#3b82f6;color:#fff;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s ease;box-shadow:0 4px 14px #3b82f64d;border:none;cursor:pointer}.btn-primary[data-astro-cid-nyhgflbn]:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 6px 20px #3b82f666}.btn-primary--lg[data-astro-cid-nyhgflbn]{padding:1rem 2.25rem;font-size:1.125rem}.btn-secondary[data-astro-cid-nyhgflbn]{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-size:1rem;font-weight:600;color:#60a5fa;text-decoration:none;transition:all .2s ease;background:transparent;border:1px solid transparent;padding:.875rem 1.75rem;border-radius:9999px}.btn-secondary[data-astro-cid-nyhgflbn]:hover{color:#fff;background:#60a5fa1a;border-color:#60a5fa33;transform:translateY(-2px)}.hero-section[data-astro-cid-nyhgflbn]{padding:8rem 0 clamp(4rem,8vh,6rem);background-image:radial-gradient(rgba(59,130,246,.05) 1px,transparent 1px);background-size:25px 25px}.hero-section__inner[data-astro-cid-nyhgflbn]{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(2.5rem,5vw,4rem);align-items:start}.hero-section__cover[data-astro-cid-nyhgflbn]{position:relative;border-radius:24px;overflow:hidden;background:#1e293b;aspect-ratio:1/1;max-width:440px;box-shadow:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a}.hero-section__cover[data-astro-cid-nyhgflbn] 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rgba(0,0,0,.5)}.hero-section__goal[data-astro-cid-nyhgflbn]{font-size:1.25rem;line-height:1.5;color:#60a5fa;margin:0 0 1rem;font-weight:500}.hero-section__desc[data-astro-cid-nyhgflbn]{font-size:1.125rem;line-height:1.65;color:#cbd5e1;margin:0 0 2rem;max-width:36rem}.hero-section__stats[data-astro-cid-nyhgflbn]{display:flex;gap:1.5rem;flex-wrap:wrap;margin-bottom:2.5rem;padding:1rem 0;border-top:1px solid rgba(71,85,105,.5);border-bottom:1px solid rgba(71,85,105,.5);max-width:36rem}.hero-section__actions[data-astro-cid-nyhgflbn]{display:flex;gap:1rem;flex-wrap:wrap}.stat-item[data-astro-cid-nyhgflbn]{display:flex;align-items:center;gap:.5rem;font-size:.9375rem;color:#cbd5e1}.stat-item[data-astro-cid-nyhgflbn] .material-icons[data-astro-cid-nyhgflbn]{font-size:1.25rem;color:#60a5fa}.stat-item[data-astro-cid-nyhgflbn] strong[data-astro-cid-nyhgflbn]{color:#fff;font-family:Space Grotesk,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:1.125rem}.lessons-section[data-astro-cid-nyhgflbn]{padding:clamp(4rem,8vh,6rem) 0;background-color:#0f172a}.lessons-section__container[data-astro-cid-nyhgflbn]{max-width:860px}.lesson-list[data-astro-cid-nyhgflbn]{display:flex;flex-direction:column;gap:.75rem}.lesson-card[data-astro-cid-nyhgflbn]{display:grid;grid-template-columns:auto 1fr auto auto;gap:1.25rem;align-items:center;padding:1.25rem 1.5rem;border-radius:16px;background:#1e293b;border:1px solid rgba(71,85,105,.5);text-decoration:none;color:#fff;transition:all .2s ease}.lesson-card[data-astro-cid-nyhgflbn]:hover{background:#233045;border-color:#3b82f6;transform:translateY(-2px);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.lesson-card[data-astro-cid-nyhgflbn]:hover .lesson-card__number[data-astro-cid-nyhgflbn]{background:#3b82f6;color:#fff}.lesson-card[data-astro-cid-nyhgflbn]:hover .lesson-card__arrow[data-astro-cid-nyhgflbn]{color:#60a5fa;transform:translate(4px)}.lesson-card__number[data-astro-cid-nyhgflbn]{width:2.5rem;height:2.5rem;border-radius:.75rem;background:#3b82f61a;color:#60a5fa;font-family:Space Grotesk,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:1rem;font-weight:700;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.lesson-card__content[data-astro-cid-nyhgflbn]{display:flex;flex-direction:column;gap:.25rem}.lesson-card__title[data-astro-cid-nyhgflbn]{font-family:Space Grotesk,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:1.0625rem;font-weight:600;margin:0;color:#fff}.lesson-card__desc[data-astro-cid-nyhgflbn]{font-size:.875rem;color:#cbd5e1;margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.lesson-card__meta[data-astro-cid-nyhgflbn]{display:flex;gap:1rem}.lesson-card__meta-item[data-astro-cid-nyhgflbn]{display:flex;align-items:center;gap:.375rem;font-size:.8125rem;color:#94a3b8;white-space:nowrap}.lesson-card__meta-item[data-astro-cid-nyhgflbn] .material-icons[data-astro-cid-nyhgflbn]{font-size:1rem;color:#94a3b8;opacity:.7}.lesson-card__arrow[data-astro-cid-nyhgflbn]{color:#94a3b8;transition:all .2s ease;display:flex;align-items:center}.lesson-card__arrow[data-astro-cid-nyhgflbn] .material-icons[data-astro-cid-nyhgflbn]{font-size:1.5rem}.cta-section[data-astro-cid-nyhgflbn]{position:relative;min-height:40vh;display:flex;align-items:center;justify-content:center;padding:5rem 1.5rem}.cta-section__glow[data-astro-cid-nyhgflbn]{position:absolute;width:600px;height:600px;top:50%;left:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(59,130,246,.1),transparent 70%);pointer-events:none}.cta-section__container[data-astro-cid-nyhgflbn]{text-align:center;max-width:40rem;position:relative;z-index:1}.cta-section__container[data-astro-cid-nyhgflbn] .section-title[data-astro-cid-nyhgflbn]{text-align:center}.cta-section__container[data-astro-cid-nyhgflbn] .section-subtitle[data-astro-cid-nyhgflbn]{text-align:center;margin-bottom:2.5rem}.cta-section__actions[data-astro-cid-nyhgflbn]{display:flex;justify-content:center;align-items:center;gap:1.5rem;flex-wrap:wrap}@media(max-width:960px){.hero-section__inner[data-astro-cid-nyhgflbn]{grid-template-columns:1fr;gap:2.5rem}.hero-section__cover[data-astro-cid-nyhgflbn]{max-width:360px;margin:0 auto}.hero-section__copy[data-astro-cid-nyhgflbn]{text-align:center}.hero-section__desc[data-astro-cid-nyhgflbn]{margin:0 auto 2rem}.hero-section__stats[data-astro-cid-nyhgflbn]{justify-content:center;margin:0 auto 2.5rem}.hero-section__actions[data-astro-cid-nyhgflbn],.hero-section__back-link[data-astro-cid-nyhgflbn]{justify-content:center}}@media(max-width:640px){.hero-section[data-astro-cid-nyhgflbn]{padding-top:6rem}.hero-section__cover[data-astro-cid-nyhgflbn]{max-width:100%;aspect-ratio:16/9}.hero-section__title[data-astro-cid-nyhgflbn]{font-size:2rem}.lesson-card[data-astro-cid-nyhgflbn]{grid-template-columns:auto 1fr auto;gap:1rem;padding:1rem}.lesson-card__meta[data-astro-cid-nyhgflbn]{display:none}.btn-primary[data-astro-cid-nyhgflbn],.btn-primary--lg[data-astro-cid-nyhgflbn],.btn-secondary[data-astro-cid-nyhgflbn]{width:100%;justify-content:center}.cta-section__actions[data-astro-cid-nyhgflbn]{flex-direction:column;gap:1rem}}