.ln-volume-page{min-height:calc(100vh - 160px);position:relative;z-index:2}.ln-volume-shell{position:relative;z-index:1}.ln-volume-back-wrap{margin-bottom:.9rem}.ln-volume-back-link{align-items:center;background:color-mix(in srgb,var(--sp-surface-2) 88%,transparent);border:1px solid color-mix(in srgb,var(--sp-primary) 46%,var(--sp-border-mid));border-radius:var(--sp-radius-pill);color:var(--sp-text-main);display:inline-flex;font-family:Orbitron,sans-serif;font-size:.64rem;letter-spacing:.1em;padding:.42rem .72rem;text-decoration:none;text-transform:uppercase;transition:border-color .2s ease,box-shadow .2s ease,color .2s ease}.ln-volume-back-link:before{content:"<";margin-right:.5rem}.ln-volume-back-link:hover,.ln-volume-back-link:focus-visible{border-color:color-mix(in srgb,var(--sp-primary) 62%,var(--sp-border-strong));box-shadow:0 0 0 3px var(--sp-focus-ring);color:#fff;outline:none}.ln-volume-hero{background:linear-gradient(145deg,color-mix(in srgb,var(--sp-surface-1) 95%,transparent),color-mix(in srgb,var(--sp-surface-2) 84%,transparent)),radial-gradient(circle at 14% 12%,color-mix(in srgb,var(--sp-primary) 18%,transparent),transparent 46%),radial-gradient(circle at 86% 14%,color-mix(in srgb,var(--sp-secondary) 14%,transparent),transparent 48%);border:1px solid var(--sp-border-strong);border-radius:22px;box-shadow:var(--sp-shadow-panel);margin-bottom:1.1rem;overflow:hidden;padding:1.25rem;position:relative}.ln-volume-hero:before{background:repeating-linear-gradient(180deg,rgba(255,255,255,.04) 0,rgba(255,255,255,.04) 1px,transparent 1px,transparent 19px);content:"";top:0;right:0;bottom:0;left:0;opacity:.2;pointer-events:none;position:absolute}.ln-volume-hero>*{position:relative;z-index:1}.ln-volume-overline{color:var(--sp-text-muted);font-family:Orbitron,sans-serif;font-size:.65rem;letter-spacing:.17em;margin:0;text-transform:uppercase}.ln-volume-hero h1{color:color-mix(in srgb,var(--sp-primary) 85%,var(--sp-accent));font-family:Orbitron,sans-serif;font-size:clamp(1.5rem,3vw,2.35rem);letter-spacing:.02em;margin:.46rem 0 0;text-shadow:0 0 20px color-mix(in srgb,var(--sp-primary) 20%,transparent)}.ln-volume-hero p{color:var(--sp-text-main);line-height:1.6;margin:.68rem 0 0;max-width:64ch}.ln-chapter-grid{display:grid;gap:.86rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.ln-chapter-card{background:linear-gradient(165deg,color-mix(in srgb,var(--sp-surface-1) 95%,transparent),color-mix(in srgb,var(--sp-surface-3) 92%,transparent)),radial-gradient(circle at 100% 0%,color-mix(in srgb,var(--sp-accent) 15%,transparent),transparent 46%);border:1px solid color-mix(in srgb,var(--sp-accent) 36%,var(--sp-border-mid));border-radius:14px;box-shadow:var(--sp-shadow-panel);min-height:112px;padding:.82rem .88rem;text-decoration:none;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease}.ln-chapter-card:hover,.ln-chapter-card:focus-visible{border-color:color-mix(in srgb,var(--sp-primary) 62%,var(--sp-border-strong));box-shadow:var(--sp-shadow-panel),0 0 0 3px var(--sp-focus-ring);outline:none;transform:translateY(-2px)}.ln-chapter-kicker{color:var(--sp-text-muted);display:block;font-family:Orbitron,sans-serif;font-size:.58rem;letter-spacing:.11em;margin-bottom:.42rem;text-transform:uppercase}.ln-chapter-card.is-read{opacity:.72}.ln-chapter-card.is-read:hover,.ln-chapter-card.is-read:focus-visible{opacity:1}.ln-chapter-read-badge{color:var(--sp-success);font-size:.6875rem;margin-left:.55rem}.ln-chapter-card h2{color:color-mix(in srgb,var(--sp-secondary) 84%,white);font-family:Orbitron,sans-serif;font-size:clamp(.96rem,1.8vw,1.2rem);letter-spacing:.01em;line-height:1.38;margin:0}.ln-chapter-reading-time{color:var(--sp-text-muted);display:block;font-size:.6875rem;margin-top:.4rem}@media (max-width: 767px){.ln-volume-hero{border-radius:18px;padding:1.05rem}.ln-chapter-grid{grid-template-columns:1fr}}