.article-page{position:relative;z-index:1;min-height:100vh;min-height:100dvh;background:linear-gradient(180deg,var(--bg-start),var(--bg-end));padding:48px 24px 80px}.article-inner{max-width:740px;margin:0 auto}.article-header{margin:48px 0 40px}.article-title{font-size:clamp(1.8rem,4.5vw,2.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.12;margin:0 0 16px}.article-sub{color:var(--text-muted);font-size:1.1rem;line-height:1.65;max-width:580px}.article-body{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 40px;box-shadow:0 24px 80px #0006}.article-section{margin-bottom:8px}.article-section:last-child{margin-bottom:0}.article-section h2{font-size:1.3rem;font-weight:700;letter-spacing:-.01em;margin:32px 0 12px}.article-section h2:first-child{margin-top:0}.article-section p{color:var(--text-muted);line-height:1.75;margin:0 0 16px;font-size:1.02rem}.article-section a{color:var(--glow);text-decoration:underline;text-underline-offset:3px;transition:color .15s ease}.article-section a:hover{color:#ddd6fe}.article-section a:focus-visible{outline:2px solid var(--glow);outline-offset:2px}.article-lead{font-size:1.2rem;font-weight:600;color:var(--text-main);letter-spacing:-.01em}.article-section+.article-section{border-top:1px solid transparent;background-image:linear-gradient(var(--surface-solid),var(--surface-solid)),linear-gradient(90deg,transparent,rgba(var(--glow-rgb),.2),transparent);background-origin:padding-box,border-box;background-clip:padding-box,border-box;padding-top:32px}.article-body table{width:100%;border-collapse:collapse;font-size:.92rem;margin:20px 0 24px;color:var(--text-muted)}.article-body th{text-align:left;font-weight:700;color:var(--text-main);padding:10px 16px;border-bottom:1px solid var(--border-strong)}.article-body td{padding:10px 16px;border-bottom:1px solid var(--border)}.article-body ul,.article-body ol{color:var(--text-muted);line-height:1.75;font-size:1.02rem;padding-left:24px;margin:0 0 16px}.article-body li{margin-bottom:12px}.article-body li:last-child{margin-bottom:0}.article-body ul ul,.article-body ol ol{margin-top:8px;padding-left:20px}.article-body ul ul li,.article-body ol ol li{margin-bottom:6px}.article-body li strong{color:var(--text-main)}.article-levels{display:flex;flex-direction:column;gap:12px;margin:24px 0}.article-level-card{display:flex;align-items:flex-start;gap:16px;padding:20px 24px;background:rgba(var(--glow-rgb),.04);border:1px solid rgba(var(--glow-rgb),.08);border-radius:var(--radius-sm);transition:border-color .2s ease,background .2s ease}.article-level-card:hover{border-color:rgba(var(--glow-rgb),.2);background:rgba(var(--glow-rgb),.07)}.article-level-badge{flex-shrink:0;min-width:44px;height:44px;padding:0 10px;box-sizing:border-box;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:.95rem;font-weight:800;letter-spacing:-.02em;white-space:nowrap}.article-level--beginner{background:#34d3991f;border:1px solid rgba(52,211,153,.25);color:#6ee7b7}.article-level--intermediate{background:#fbbf241f;border:1px solid rgba(251,191,36,.25);color:#fcd34d}.article-level--advanced{background:rgba(var(--glow-rgb),.12);border:1px solid rgba(var(--glow-rgb),.25);color:var(--glow)}.article-level-card strong{display:block;font-size:.95rem;font-weight:700;color:var(--text-main);margin-bottom:4px}.article-level-card p{margin:0;font-size:.9rem;color:var(--text-muted);line-height:1.6}.article-bottomline{padding:28px 32px;background:rgba(var(--glow-rgb),.05);border:1px solid rgba(var(--glow-rgb),.12);border-radius:var(--radius-md);margin-bottom:32px;position:relative}.article-bottomline-label{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:linear-gradient(135deg,#e0e7ff,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent;margin:0 0 14px}.article-bottomline p{color:var(--text-muted);line-height:1.7;margin:0 0 12px;font-size:1.02rem}.article-bottomline p:last-child{margin-bottom:0}.article-bottomline strong{color:var(--text-main)}.article-bottomline a{color:var(--glow);text-decoration:underline;text-underline-offset:3px}.article-faq{margin-top:48px}.article-faq-title{font-size:1.1rem;font-weight:700;letter-spacing:-.01em;color:var(--text-muted);margin:0 0 20px}.article-faq-list{display:flex;flex-direction:column;gap:10px}.article-faq-item{background:rgba(var(--glow-rgb),.04);border:1px solid rgba(var(--glow-rgb),.08);border-radius:var(--radius-sm);transition:border-color .2s ease,background .2s ease}.article-faq-item[open]{border-color:rgba(var(--glow-rgb),.18);background:rgba(var(--glow-rgb),.06)}.article-faq-question{cursor:pointer;list-style:none;padding:16px 48px 16px 20px;font-size:.98rem;font-weight:600;color:var(--text-main);letter-spacing:-.005em;position:relative}.article-faq-question::-webkit-details-marker{display:none}.article-faq-question:after{content:"";position:absolute;right:20px;top:50%;width:10px;height:10px;border-right:2px solid var(--text-muted);border-bottom:2px solid var(--text-muted);transform:translateY(-75%) rotate(45deg);transition:transform .2s ease}.article-faq-item[open] .article-faq-question:after{transform:translateY(-25%) rotate(-135deg)}.article-faq-question:focus-visible{outline:2px solid var(--glow);outline-offset:-2px;border-radius:var(--radius-sm)}.article-faq-answer{padding:0 20px 18px}.article-faq-answer p{margin:0;color:var(--text-muted);line-height:1.7;font-size:.95rem}.article-references{margin-top:48px}.article-references-title{font-size:1.1rem;font-weight:700;letter-spacing:-.01em;color:var(--text-muted);margin:0 0 20px}.article-cta{margin-top:56px;text-align:center}.article-cta-text{font-size:1.15rem;font-weight:600;color:var(--text-muted);margin:0 0 20px}.article-meta{color:var(--text-micro);font-size:.85rem;margin-top:12px}.articles-list{display:flex;flex-direction:column;gap:14px}.article-card{display:flex;gap:20px;padding:20px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);text-decoration:none;transition:border-color .2s ease,background .2s ease,transform .2s ease}.article-card:hover{border-color:rgba(var(--glow-rgb),.25);background:rgba(var(--glow-rgb),.04);transform:translateY(-1px)}.article-card:focus-visible{outline:2px solid var(--glow);outline-offset:2px}.article-card-thumb{flex-shrink:0;width:168px;aspect-ratio:3 / 2;overflow:hidden;border-radius:var(--radius-sm);background:rgba(var(--glow-rgb),.04)}.article-card-thumb picture,.article-card-thumb img{display:block;width:100%;height:100%}.article-card-thumb img{object-fit:cover}.article-card-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}.article-card-category{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:linear-gradient(135deg,#e0e7ff,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}.article-card-title{font-size:1.15rem;font-weight:700;color:var(--text-main);margin:6px 0;letter-spacing:-.015em;line-height:1.3}.article-card-desc{color:var(--text-muted);font-size:.9rem;line-height:1.55;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-card-meta{display:block;color:var(--text-micro);font-size:.78rem;margin-top:auto;padding-top:10px}@media(prefers-reduced-motion:reduce){.article-card,.article-card:hover{transition:none;transform:none}}.article-faq,.article-references,.article-cta{content-visibility:auto;contain-intrinsic-size:auto 300px}.article-capstone{position:relative;margin-top:48px;padding:40px 40px 44px;background:linear-gradient(135deg,rgba(var(--glow-rgb),.06),rgba(var(--glow-rgb),.02));border:1px solid rgba(var(--glow-rgb),.18);border-radius:var(--radius-lg);overflow:hidden}.article-capstone:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(var(--glow-rgb),.45) 50%,transparent 100%)}.article-capstone-context{color:var(--text-muted);line-height:1.7;margin:0;font-size:1.02rem}.article-capstone-context a{color:var(--glow);text-decoration:none;border-bottom:1px solid rgba(var(--glow-rgb),.35);transition:border-color .15s ease,color .15s ease}.article-capstone-context a:hover{color:#ddd6fe;border-bottom-color:var(--glow)}.article-capstone-context a:focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:2px}.article-capstone-context strong{font-weight:600}.article-capstone-divider{width:1px;height:28px;margin:32px auto;background:linear-gradient(180deg,transparent 0%,rgba(var(--glow-rgb),.55) 50%,transparent 100%)}.article-capstone-close{color:var(--text-main);font-size:1.18rem;line-height:1.55;letter-spacing:-.015em;font-weight:500;margin:0;text-align:left}@media(max-width:640px){.article-page{padding:32px 16px 60px}.article-body{padding:32px 20px;backdrop-filter:none;-webkit-backdrop-filter:none;background:#0f172ae0}.article-header{margin:36px 0 28px}.article-card{gap:14px;padding:14px 16px}.article-card-thumb{width:96px}.article-card-title{font-size:1rem;margin-bottom:4px}.article-card-desc{font-size:.85rem;-webkit-line-clamp:2}.article-card-meta{font-size:.74rem;padding-top:8px}.article-bottomline{padding:20px 18px}.article-body table{display:block;overflow-x:auto}.article-level-card,.reference-item{padding:16px 18px}.article-capstone{padding:28px 22px 32px}.article-capstone-divider{margin:24px auto}.article-capstone-close{font-size:1.08rem;line-height:1.6}}