@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+SC:wght@600;700;900&display=swap";.bs-page[data-astro-cid-dkjzbppe]{margin-top:calc(-1 * var(--nav-height))}.bs-hero[data-astro-cid-dkjzbppe]{background:linear-gradient(160deg,var(--sc-primary) 0%,#1e3a5f 55%,#1e40af 100%);color:#fff;padding:74px 24px 66px;text-align:center;position:relative;overflow:hidden}.bs-hero[data-astro-cid-dkjzbppe]:after{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 85% 10%,rgba(251,191,36,.1),transparent 60%),radial-gradient(500px 260px at 10% 90%,rgba(59,130,246,.18),transparent 60%);pointer-events:none}.bs-hero-inner[data-astro-cid-dkjzbppe]{max-width:800px;margin:0 auto;position:relative;z-index:1}.bs-eyebrow[data-astro-cid-dkjzbppe]{font-size:12px;letter-spacing:4px;color:#ffffff8c;margin-bottom:16px;text-transform:uppercase}.bs-hero-title[data-astro-cid-dkjzbppe]{font-family:"Noto Serif SC",serif;font-size:clamp(2.3rem,5.6vw,3.6rem);font-weight:900;letter-spacing:.05em;margin:0 0 14px}.bs-hero-sub[data-astro-cid-dkjzbppe]{font-size:15px;color:#ffffffbf;margin:0 0 24px}.bs-authors[data-astro-cid-dkjzbppe]{font-size:15px}.bs-authors[data-astro-cid-dkjzbppe] a[data-astro-cid-dkjzbppe]{color:#fbbf24;font-weight:600;text-decoration:none;border-bottom:1px dashed rgba(251,191,36,.5);padding-bottom:1px}.bs-authors[data-astro-cid-dkjzbppe] a[data-astro-cid-dkjzbppe]:hover{border-bottom-style:solid}.bs-authors[data-astro-cid-dkjzbppe] span[data-astro-cid-dkjzbppe]{color:#fff6;margin:0 10px}.bs-section[data-astro-cid-dkjzbppe]{padding:clamp(2.6rem,4.5vw,3.8rem) 24px}.bs-container[data-astro-cid-dkjzbppe]{max-width:1100px;margin:0 auto}.bs-book-grid[data-astro-cid-dkjzbppe]{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.bs-card[data-astro-cid-dkjzbppe]{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:24px 22px 20px;display:flex;flex-direction:column;position:relative;transition:all .25s ease}.bs-card[data-astro-cid-dkjzbppe]:hover{box-shadow:0 16px 40px #0f172a17;transform:translateY(-4px)}.bs-card[data-astro-cid-dkjzbppe]:before{content:"";position:absolute;top:0;left:22px;right:22px;height:3px;border-radius:0 0 3px 3px;background:linear-gradient(90deg,var(--sc-accent),#60a5fa)}.bs-card[data-astro-cid-dkjzbppe]:nth-child(2):before{background:linear-gradient(90deg,var(--sc-warm),#fbbf24)}.bs-card[data-astro-cid-dkjzbppe]:nth-child(3):before{background:linear-gradient(90deg,#059669,#34d399)}.bs-card-featured[data-astro-cid-dkjzbppe]{border-color:#fde68a;box-shadow:0 8px 30px #f59e0b14}.bs-card-top[data-astro-cid-dkjzbppe]{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.bs-card-index[data-astro-cid-dkjzbppe]{font-family:"Noto Serif SC",serif;font-size:26px;font-weight:900;color:#cbd5e1;line-height:1}.bs-card-tag[data-astro-cid-dkjzbppe]{font-size:11px;font-weight:600;letter-spacing:1px;color:var(--sc-accent);background:#eff6ff;padding:4px 10px;border-radius:14px}.bs-card[data-astro-cid-dkjzbppe]:nth-child(2) .bs-card-tag[data-astro-cid-dkjzbppe]{color:#b45309;background:#fef3c7}.bs-card[data-astro-cid-dkjzbppe]:nth-child(3) .bs-card-tag[data-astro-cid-dkjzbppe]{color:#047857;background:#d1fae5}.bs-book-name[data-astro-cid-dkjzbppe]{font-family:"Noto Serif SC",serif;font-size:1.5rem;font-weight:800;color:var(--sc-primary);margin:0 0 4px;line-height:1.3}.bs-card[data-astro-cid-dkjzbppe]:nth-child(3) .bs-book-name[data-astro-cid-dkjzbppe]{font-size:1.18rem}.bs-book-en[data-astro-cid-dkjzbppe]{font-size:12px;color:#94a3b8;margin-bottom:16px;letter-spacing:.3px}.bs-version-line[data-astro-cid-dkjzbppe]{display:flex;align-items:center;gap:10px;margin-bottom:14px;background:#f8fafc;border-radius:10px;padding:10px 14px}.bs-version-line[data-astro-cid-dkjzbppe].single{justify-content:flex-start}.bs-version[data-astro-cid-dkjzbppe]{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}.bs-version[data-astro-cid-dkjzbppe] b[data-astro-cid-dkjzbppe]{font-size:14px;color:#475569}.bs-version[data-astro-cid-dkjzbppe] span[data-astro-cid-dkjzbppe]{font-size:11px;color:#94a3b8}.bs-version-arrow[data-astro-cid-dkjzbppe]{color:#cbd5e1;font-size:14px}.bs-tag-sale[data-astro-cid-dkjzbppe]{background:#dcfce7;color:#15803d!important;font-weight:600;padding:2px 8px;border-radius:10px}.bs-book-desc[data-astro-cid-dkjzbppe]{font-size:.88rem;color:#64748b;line-height:1.75;margin:0 0 16px;flex:1}.bs-card-foot[data-astro-cid-dkjzbppe]{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #f1f5f9;padding-top:12px}.bs-author[data-astro-cid-dkjzbppe]{font-size:12px;color:#94a3b8}.bs-author[data-astro-cid-dkjzbppe] a[data-astro-cid-dkjzbppe]{color:var(--sc-primary);font-weight:600;text-decoration:none}.bs-author[data-astro-cid-dkjzbppe] a[data-astro-cid-dkjzbppe]:hover{color:var(--sc-accent)}.bs-detail[data-astro-cid-dkjzbppe]{font-size:13px;font-weight:600;color:var(--sc-accent);text-decoration:none}.bs-card[data-astro-cid-dkjzbppe]:nth-child(2) .bs-detail[data-astro-cid-dkjzbppe]{color:#b45309}.bs-card[data-astro-cid-dkjzbppe]:nth-child(3) .bs-detail[data-astro-cid-dkjzbppe]{color:#047857}.bs-detail[data-astro-cid-dkjzbppe]:hover{text-decoration:underline}.bs-philosophy[data-astro-cid-dkjzbppe]{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:40px;margin-bottom:-1.4rem;text-align:center}.bs-quote-mark[data-astro-cid-dkjzbppe]{font-family:Georgia,serif;font-size:44px;color:var(--sc-accent);opacity:.3;line-height:1}.bs-philosophy[data-astro-cid-dkjzbppe] p[data-astro-cid-dkjzbppe]{font-family:"Noto Serif SC",serif;font-size:1.15rem;font-weight:600;color:#334155;margin:0}.bs-ladder[data-astro-cid-dkjzbppe]{background:#f8fafc;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0;padding:clamp(2rem,3.6vw,3rem) 24px}.bs-ladder-head[data-astro-cid-dkjzbppe]{text-align:center;margin-bottom:26px}.bs-ladder-title[data-astro-cid-dkjzbppe]{display:block;font-family:"Noto Serif SC",serif;font-size:1.5rem;font-weight:800;color:var(--sc-primary)}.bs-ladder-sub[data-astro-cid-dkjzbppe]{font-size:13px;color:#94a3b8;margin-top:4px}.bs-steps[data-astro-cid-dkjzbppe]{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}.bs-step[data-astro-cid-dkjzbppe]{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:14px 20px;min-width:200px}.bs-step-num[data-astro-cid-dkjzbppe]{width:28px;height:28px;flex-shrink:0;border-radius:50%;background:var(--sc-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.bs-step[data-astro-cid-dkjzbppe]:nth-child(1) .bs-step-num[data-astro-cid-dkjzbppe]{background:var(--sc-accent)}.bs-step[data-astro-cid-dkjzbppe]:nth-child(3) .bs-step-num[data-astro-cid-dkjzbppe]{background:var(--sc-warm)}.bs-step[data-astro-cid-dkjzbppe]:nth-child(5) .bs-step-num[data-astro-cid-dkjzbppe]{background:#059669}.bs-step[data-astro-cid-dkjzbppe] p[data-astro-cid-dkjzbppe]{margin:0;font-size:14px;color:#1e293b;line-height:1.5}.bs-step[data-astro-cid-dkjzbppe] small[data-astro-cid-dkjzbppe]{font-size:11px;color:#94a3b8}.bs-step-arrow[data-astro-cid-dkjzbppe]{color:#cbd5e1;font-size:18px}.bs-cta[data-astro-cid-dkjzbppe]{text-align:center;background:linear-gradient(160deg,#1e3a5f,#1e40af);border-radius:16px;padding:40px 28px;color:#fff;display:flex;align-items:center;justify-content:center;gap:28px;flex-wrap:wrap}.bs-cta[data-astro-cid-dkjzbppe] p[data-astro-cid-dkjzbppe]{font-size:15px;color:#ffffffe6;margin:0}.bs-cta-btn[data-astro-cid-dkjzbppe]{background:#fff;color:#1e40af;font-weight:700;padding:10px 26px;border-radius:26px;text-decoration:none;font-size:14px;white-space:nowrap;transition:all .2s}.bs-cta-btn[data-astro-cid-dkjzbppe]:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0000002e}@media(max-width:920px){.bs-book-grid[data-astro-cid-dkjzbppe]{grid-template-columns:1fr;max-width:460px;margin:0 auto}.bs-steps[data-astro-cid-dkjzbppe]{flex-direction:column;align-items:stretch;max-width:340px;margin:0 auto}.bs-step-arrow[data-astro-cid-dkjzbppe]{transform:rotate(90deg);text-align:center}.bs-philosophy[data-astro-cid-dkjzbppe]{flex-direction:column;gap:6px}}.bs-authors[data-astro-cid-dkjzbppe]{display:flex;align-items:center;justify-content:center;gap:26px;margin-top:26px;flex-wrap:wrap}.bs-author-item[data-astro-cid-dkjzbppe]{display:inline-flex;flex-direction:column;align-items:center;gap:10px;text-decoration:none;color:inherit;transition:transform .2s}.bs-author-item[data-astro-cid-dkjzbppe]:hover{transform:translateY(-3px)}.bs-author-item[data-astro-cid-dkjzbppe],.bs-author-item[data-astro-cid-dkjzbppe]:hover,.bs-author-item[data-astro-cid-dkjzbppe]:visited{border-bottom:none!important;text-decoration:none!important}.bs-avatar[data-astro-cid-dkjzbppe]{width:74px;height:74px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,.85);box-shadow:0 6px 20px #0000004d}.bs-author-name[data-astro-cid-dkjzbppe]{font-size:16px;font-weight:600;color:#fff!important;background:#ffffff24;padding:4px 16px;border-radius:20px;border-bottom:none!important;text-decoration:none!important}.bs-authors-x[data-astro-cid-dkjzbppe]{color:#ffffff80;font-size:22px;margin-top:-28px}.bs-upnext[data-astro-cid-dkjzbppe]{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:860px;margin:26px auto 0}.bs-upnext-card[data-astro-cid-dkjzbppe]{background:#fff;border:1.5px dashed #94a3b8;border-radius:14px;padding:28px 26px;text-align:left;position:relative;transition:all .25s}.bs-upnext-card[data-astro-cid-dkjzbppe]:hover{border-color:var(--sc-warm);box-shadow:0 10px 26px #f59e0b1f}.bs-upnext-badge[data-astro-cid-dkjzbppe]{display:inline-block;font-size:12px;font-weight:700;color:#b45309;background:#fef3c7;border-radius:20px;padding:3px 12px;margin-bottom:12px;letter-spacing:1px}.bs-upnext-card[data-astro-cid-dkjzbppe] h3[data-astro-cid-dkjzbppe]{font-family:"Noto Serif SC",serif;font-size:1.25rem;margin:0 0 10px;color:var(--sc-primary)}.bs-upnext-card[data-astro-cid-dkjzbppe] p[data-astro-cid-dkjzbppe]{font-size:13.5px;line-height:1.75;color:#475569;margin:0 0 14px}.bs-upnext-state[data-astro-cid-dkjzbppe]{font-size:12px;color:var(--sc-warm);font-weight:600}@media(max-width:700px){.bs-upnext[data-astro-cid-dkjzbppe]{grid-template-columns:1fr}}.bs-bookband[data-astro-cid-dkjzbppe]{position:relative;width:100%;overflow:hidden}.bs-bookband-img[data-astro-cid-dkjzbppe]{display:block;width:100%;height:auto}.bs-bookband-veil[data-astro-cid-dkjzbppe]{position:absolute;inset:0;background:linear-gradient(180deg,#0f172a38,#0f172a59 55%,#0f172a8c);pointer-events:none}.bs-bookband-caption[data-astro-cid-dkjzbppe]{position:absolute;left:0;right:0;bottom:26px;text-align:center;color:#fff;font-family:"Noto Serif SC",serif;font-size:clamp(1.05rem,2.4vw,1.5rem);font-weight:700;letter-spacing:3px;text-shadow:0 2px 14px rgba(0,0,0,.5);z-index:2}.bs-card-btns[data-astro-cid-dkjzbppe]{display:flex;align-items:center;gap:12px;margin-left:auto}.bs-buy[data-astro-cid-dkjzbppe]{display:inline-block;background:linear-gradient(90deg,#e1251b,#f2542b);color:#fff!important;font-size:12.5px;font-weight:700;padding:7px 15px;border-radius:22px;text-decoration:none!important;transition:all .2s;box-shadow:0 3px 10px #e1251b40}.bs-buy[data-astro-cid-dkjzbppe]:hover{transform:translateY(-1px);box-shadow:0 5px 14px #e1251b59}@media(max-width:640px){.bs-card-btns[data-astro-cid-dkjzbppe]{flex-wrap:wrap;margin-left:0;margin-top:10px}}