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var(--border);border-radius:10px;margin-bottom:.6rem;overflow:hidden}.faq-q{padding:1.1rem 1.3rem;cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:flex-start;gap:.5rem}.faq-q::-webkit-details-marker{display:none}.faq-q:before{content:"▸";color:var(--guava-green);flex-shrink:0}.faq-item[open] .faq-q:before{content:"▾ "}.faq-a{margin:0 1.3rem 1.1rem;color:var(--text-secondary);font-size:1rem;line-height:1.85}.related-links{display:flex;flex-direction:column;gap:.7rem;margin:1rem 0 2rem}.rl-item{display:block;padding:1rem 1.2rem;border:1px solid var(--border);border-radius:10px;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}.rl-item:hover{border-color:var(--guava-green);transform:translate(4px)}.rl-cat{font-size:.78rem;color:var(--guava-green);text-transform:uppercase;letter-spacing:.5px}.rl-item strong{display:block;margin:.2rem 0;font-size:1.02rem}.rl-desc{font-size:.9rem;color:var(--text-muted)}table{width:100%;border-collapse:collapse;font-size:.97rem}th,td{padding:.75rem .9rem;text-align:left;border-bottom:1px solid var(--border);line-height:1.7}th{font-weight:700;font-size:.92rem;color:var(--text-muted)}.pitch-diagram{margin:1.2rem 0 1.8rem;padding:0;border:none}.pitch-svg{width:100%;max-width:720px;height:auto;display:block;margin:0 auto;border-radius:12px}.pitch-svg[data-zoomable]{cursor:zoom-in;transition:filter .2s,transform .2s}.pitch-svg[data-zoomable]:hover{filter:brightness(1.06);transform:translateY(-1px)}.pitch-zoom-tip{display:block;text-align:center;font-size:.88rem;color:var(--text-muted);margin:.3rem 0 .4rem}.pos-pulse{animation:posPulse 2.4s ease-out infinite}@keyframes posPulse{0%{r:22;opacity:.85}70%,to{r:36;opacity:0}}@media (prefers-reduced-motion: reduce){.pos-pulse{animation:none;opacity:0}}.fp-player{transition:transform .65s cubic-bezier(.34,1.1,.45,1)}.fp-dot{transition:fill .4s ease}@media (prefers-reduced-motion: reduce){.fp-player{transition:none}}.fp-controls{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;justify-content:center;margin:.7rem 0 .3rem}.fp-controls-label{color:var(--text-muted);font-size:.95rem}.fp-btn{background:var(--bg-card);border:1.5px solid var(--border);color:var(--text-secondary);font-weight:800;font-size:1rem;padding:.5rem 1.05rem;border-radius:10px;cursor:pointer;transition:border-color .15s,transform .15s,background .15s,color .15s;font-variant-numeric:tabular-nums}.fp-btn:hover{border-color:var(--guava-green);transform:translateY(-2px)}.fp-btn-on{background:var(--guava-green);color:#0a2810;border-color:var(--guava-green)}.fp-desc{text-align:center;font-size:.95rem;color:var(--text-secondary);line-height:1.7;margin:.3rem auto 0;max-width:640px}.fp-desc b{color:var(--guava-green)}.lightbox{position:fixed;inset:0;background:#000000ed;z-index:9999;display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out;animation:lbFadeIn .18s ease-out}.lightbox.is-open{display:flex}@keyframes lbFadeIn{0%{opacity:0}to{opacity:1}}.lightbox__inner{width:100%;max-width:1100px;max-height:90vh;overflow:auto;-webkit-overflow-scrolling:touch;cursor:default}.lightbox__inner svg{width:100%;height:auto;display:block;border-radius:12px}.lightbox__close{position:fixed;top:16px;right:16px;width:48px;height:48px;border-radius:50%;background:#ffffff2e;color:#fff;border:none;font-size:26px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:10001}.lightbox__close:hover{background:#ffffff47}.lightbox__hint{position:fixed;bottom:18px;left:50%;transform:translate(-50%);color:#ffffffb3;font-size:14px;pointer-events:none}@media (max-width: 600px){.article-content h1{font-size:1.55rem}.article-content h2{font-size:1.25rem}}