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a:hover{color:var(--accent)}.art-eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--accent);align-items:center;gap:10px;margin-bottom:22px;font-size:.74rem;font-weight:600;display:inline-flex}.art-eyebrow:before{content:"";background:var(--accent);width:26px;height:1px}.art-h1{letter-spacing:-.03em;margin-bottom:22px;font-size:clamp(2rem,4.4vw,3rem);line-height:1.12}.art-meta{color:var(--txt-3);flex-wrap:wrap;align-items:center;gap:18px;font-size:.86rem;display:flex}.art-meta .dot{background:var(--line);border-radius:50%;width:3px;height:3px}.art-body{max-width:720px;margin:0 auto;padding:12px 28px 80px}.art-body p{color:var(--txt);margin:0 0 22px;font-size:1.075rem;line-height:1.8}.art-body p.lead{color:var(--txt-2);font-size:1.2rem;line-height:1.7}.art-body h2{letter-spacing:-.02em;margin:52px 0 18px;scroll-margin-top:80px;font-size:1.7rem}.art-body h3{color:var(--accent-strong);margin:32px 0 12px;font-size:1.22rem}.art-body strong{color:var(--white);font-weight:700}.art-body a.inl{color:var(--accent);border-bottom:1px solid #6fa8dc59}.art-body a.inl:hover{color:var(--accent-strong)}.art-body ul,.art-body ol{margin:0 0 22px;padding-left:22px}.art-body li{color:var(--txt);margin-bottom:9px;font-size:1.05rem;line-height:1.7}.art-body code{background:var(--panel);border:1px solid var(--line-soft);color:var(--accent-strong);border-radius:5px;padding:1px 6px;font-family:ui-monospace,monospace;font-size:.9em}.art-tldr{background:linear-gradient(180deg, var(--navy), var(--panel));border:1px solid var(--accent);border-left:4px solid var(--accent);border-radius:12px;margin:4px 0 36px;padding:24px 26px}.art-tldr .lbl{letter-spacing:.14em;text-transform:uppercase;color:var(--accent-strong);margin-bottom:10px;font-size:.7rem;font-weight:700}.art-tldr p{color:var(--txt);margin:0;font-size:1.02rem;line-height:1.65}.art-tldr strong{color:var(--white)}.art-tablewrap{border:1px solid var(--line);border-radius:12px;margin:8px 0 32px;overflow-x:auto}.art-table{border-collapse:collapse;width:100%;min-width:540px}.art-table th,.art-table td{text-align:left;border-bottom:1px solid var(--line-soft);padding:14px 16px;font-size:.95rem}.art-table thead th{background:var(--bg-2);color:var(--txt-2);letter-spacing:.08em;text-transform:uppercase;font-size:.74rem;font-weight:700}.art-table tbody tr:last-child td{border-bottom:none}.art-table tbody td:first-child{color:var(--accent-strong);font-weight:700}.art-table .ipa{color:var(--txt-2);font-family:ui-monospace,monospace}.art-callout{border:1px solid var(--red);background:#9b2d3a1a;border-radius:12px;margin:8px 0 32px;padding:24px 26px}.art-callout .lbl{letter-spacing:.1em;text-transform:uppercase;color:#d98a92;align-items:center;gap:9px;margin-bottom:14px;font-size:.78rem;font-weight:700;display:flex}.art-callout ol{margin:0;padding-left:20px}.art-callout li{color:var(--txt)}.art-cmap{margin:8px 0 32px}.art-cmap-core{text-align:center;background:linear-gradient(180deg, var(--navy), var(--panel));border:1px solid var(--accent);color:#fff;border-radius:12px;max-width:440px;margin:0 auto;padding:18px 22px;font-size:1.15rem;font-weight:700;position:relative}.art-cmap-core:after{content:"";background:var(--line);width:2px;height:18px;position:absolute;bottom:-18px;left:50%}.art-cmap-grid{grid-template-columns:repeat(auto-fit,minmax(225px,1fr));gap:14px;margin-top:26px;display:grid}.art-cmap-branch{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:11px;padding:16px 18px;display:flex}.art-cmap-fn{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);align-items:center;gap:8px;font-size:.76rem;font-weight:700;display:flex}.art-cmap-fn span{font-size:1.05rem}.art-cmap-words{flex-wrap:wrap;gap:6px;display:flex}.art-cmap-chip{color:var(--accent-strong);background:var(--accent-soft);border:1px solid var(--line);border-radius:14px;padding:3px 10px;font-size:.85rem;font-weight:600}.art-idx-head{max-width:1100px;margin:0 auto;padding:64px 28px 4px}.art-idx-head h1{letter-spacing:-.03em;margin-bottom:12px;font-size:clamp(2rem,4.4vw,2.8rem);line-height:1.12}.art-idx-head p{color:var(--txt-2);max-width:60ch;font-size:1.05rem}.art-idx-main{max-width:1100px;margin:0 auto;padding:0 28px 90px}.art-idx-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;margin:0;padding:22px 0 0;display:grid}.sr-only{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.art-idx-tools{z-index:10;background:var(--bg);border-bottom:1px solid var(--line-soft);padding:20px 0 12px;position:sticky;top:57px}.art-idx-search input{border:1px solid var(--line);background:var(--bg-2);width:100%;max-width:520px;color:var(--txt);border-radius:10px;padding:13px 16px;font-family:inherit;font-size:1rem}.art-idx-search input:focus{border-color:var(--accent);outline:none}.art-idx-filters{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.art-idx-chip{color:var(--txt-2);background:var(--bg-2);border:1px solid var(--line);cursor:pointer;border-radius:20px;padding:7px 13px;font-family:inherit;font-size:.85rem;font-weight:600;transition:all .15s}.art-idx-chip:hover{border-color:var(--txt-3);color:var(--txt)}.art-idx-chip.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}.art-idx-chip b{opacity:.7;margin-left:2px;font-weight:700}.art-idx-levels{align-items:center;margin-top:10px}.art-idx-facet{color:var(--txt-3);margin-right:2px;font-size:.8rem;font-weight:600}.art-idx-count{color:var(--txt-3);margin-top:12px;font-size:.85rem}.art-idx-empty{color:var(--txt-2);text-align:center;padding:40px 0}.art-card{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;flex-direction:column;padding:26px;transition:border-color .2s,transform .2s;display:flex}.art-card:hover{border-color:var(--accent);transform:translateY(-2px)}.art-card .c-eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;font-size:.72rem;font-weight:700}.art-card h2{letter-spacing:-.02em;color:var(--white);margin-bottom:10px;font-size:1.2rem;line-height:1.25}.art-card p{color:var(--txt-2);flex:1;margin-bottom:18px;font-size:.92rem;line-height:1.55}.art-card .c-meta{color:var(--txt-3);align-items:center;gap:12px;font-size:.8rem;display:flex}.art-card .c-meta .dot{background:var(--line);border-radius:50%;width:3px;height:3px}@media (max-width:560px){.art-idx-grid{grid-template-columns:1fr}}.art-cmap-clause{color:var(--txt);border-top:1px solid var(--line-soft);padding-top:11px;font-size:.95rem;font-style:italic;line-height:1.5}.svo-diagram{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;margin:8px 0 32px;padding:28px 24px}.svo-circles{grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:10px;display:grid}.svo-circle{aspect-ratio:1;text-align:center;border:2px solid;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:2px;width:100%;max-width:130px;margin:0 auto;display:flex}.svo-circle span{font-size:clamp(.82rem,2.6vw,1rem);font-weight:700}.svo-circle small{letter-spacing:.1em;text-transform:uppercase;opacity:.75;font-size:.68rem}.svo-circle.s{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong)}.svo-circle.v{border-color:var(--red);color:#e0a39a;background:#9b2d3a24}.svo-circle.o{border-color:var(--ok);color:#7fd0a0;background:#4fa87324}.svo-arrow{color:var(--txt-3);text-align:center;font-size:1.4rem}.svo-examples{border-top:1px solid var(--line-soft);gap:4px;margin-top:20px;padding-top:16px;display:grid}.svo-ex{text-align:center;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:10px;padding:7px 0;display:grid}.svo-ex .svo-dot{color:var(--txt-3)}.svo-word{font-size:1rem;font-weight:600}.svo-word.s{color:var(--accent-strong)}.svo-word.v{color:#e0a39a}.svo-word.o{color:#7fd0a0}@media (max-width:480px){.svo-circle span{font-size:.76rem}.svo-circle small{font-size:.6rem}.svo-word{font-size:.86rem}}.art-cats{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.art-cat{letter-spacing:.02em;color:var(--accent-strong);background:var(--accent-soft);border:1px solid var(--line);border-radius:20px;padding:5px 11px;font-size:.74rem;font-weight:600}.art-soundcloud{margin:8px 0 28px}.art-soundcloud iframe{border:1px solid var(--line);border-radius:10px;max-width:800px;display:block}.art-hero{margin:0 0 8px;max-width:820px;margin-inline:auto}.art-hero img{border:1px solid var(--line);border-radius:14px;width:100%;height:auto;display:block}.art-figure{margin:8px 0 28px}.art-figure img{border:1px solid var(--line);border-radius:12px;width:100%;height:auto;display:block}.art-figure figcaption{color:var(--txt-3);text-align:center;margin-top:10px;font-size:.85rem;font-style:italic}.art-caption{color:var(--txt-3);text-align:center;margin:-18px 0 28px;font-size:.85rem;font-style:italic}.art-html{margin:16px 0 32px}.art-html iframe{border:1px solid var(--line);background:#fff;border-radius:12px;width:100%;max-width:860px;margin:0 auto;display:block}.art-quote{border-left:3px solid var(--accent);background:var(--bg-2);color:var(--txt);border-radius:0 10px 10px 0;margin:8px 0 28px;padding:18px 22px;font-size:1.1rem;font-style:italic;line-height:1.7}.art-quote p{margin:0}.art-divider{border:none;border-top:1px solid var(--line);max-width:120px;margin:36px auto}.art-embed{margin:16px 0 32px}.art-embed-title{color:var(--accent-strong);text-align:center;margin:0 0 12px;font-size:1.1rem;font-weight:700}.art-embed-fig{margin:0 0 16px}.art-embed-frame{border:1px solid var(--line);background:var(--bg-2);border-radius:12px;width:100%;max-width:800px;margin:0 auto;overflow:hidden}.art-embed-frame iframe{border:0;width:100%;height:100%;display:block}.art-embed-cap{max-width:800px;color:var(--txt-3);text-align:center;margin:8px auto 0;font-size:.82rem}.art-embed-cap a{color:var(--accent)}.art-embed-cap a:hover{color:var(--accent-strong)}.art-audio{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;margin:8px 0 32px;padding:22px 24px}.art-audio .lbl{letter-spacing:.1em;text-transform:uppercase;color:var(--accent);align-items:center;gap:9px;margin-bottom:6px;font-size:.78rem;font-weight:700;display:flex}.art-audio .hint{color:var(--txt-3);margin-bottom:18px;font-size:.88rem}.art-audio-row{flex-wrap:wrap;gap:10px;display:flex}.art-audio-btn{border:1px solid var(--line);background:var(--panel);color:var(--txt);cursor:pointer;border-radius:9px;flex-direction:column;align-items:flex-start;gap:3px;min-width:120px;padding:12px 18px;font-family:inherit;transition:all .15s;display:inline-flex}.art-audio-btn:hover{border-color:var(--accent);transform:translateY(-1px)}.art-audio-btn .word{align-items:center;gap:8px;font-size:1.05rem;font-weight:700;display:flex}.art-audio-btn .ipa{color:var(--txt-3);font-family:ui-monospace,monospace;font-size:.82rem}.art-audio-btn .spk{font-size:.9rem}.art-quiz{background:linear-gradient(180deg, var(--bg-2), var(--panel));border:1px solid var(--accent);border-radius:14px;margin:16px 0 36px;padding:28px}.art-quiz .lbl{letter-spacing:.1em;text-transform:uppercase;color:var(--accent);align-items:center;gap:9px;margin-bottom:6px;font-size:.78rem;font-weight:700;display:flex}.art-quiz h3{color:var(--white);margin:0 0 4px;font-size:1.3rem}.art-quiz .sub{color:var(--txt-3);margin-bottom:22px;font-size:.92rem}.art-q{margin-bottom:22px}.art-q-text{color:var(--txt);margin-bottom:12px;font-size:1.05rem;line-height:1.6}.art-q-text .blank{color:var(--accent-strong);font-weight:700}.art-opts{flex-wrap:wrap;gap:9px;display:flex}.art-opt{border:1px solid var(--line);background:var(--bg);color:var(--txt-2);cursor:pointer;border-radius:8px;padding:9px 18px;font-family:inherit;font-size:.95rem;font-weight:600;transition:all .15s}.art-opt:hover:not(:disabled){border-color:var(--txt-3);color:var(--txt)}.art-opt.correct{border-color:var(--ok);color:#7fd0a0;background:#4fa87329}.art-opt.wrong{border-color:var(--no);color:#e0a39a;background:#b5675c29}.art-q-feed{border-radius:8px;margin-top:11px;padding:11px 14px;font-size:.92rem;line-height:1.55}.art-q-feed.ok{color:#9bd9b6;background:#4fa8731a;border:1px solid #4fa8734d}.art-q-feed.no{color:#e7b2aa;background:#b5675c1a;border:1px solid #b5675c4d}.art-quiz-score{border-top:1px solid var(--line);color:var(--txt-2);margin-top:18px;padding-top:18px;font-size:1rem}.art-quiz-score b{color:var(--accent-strong)}.art-cta{background:linear-gradient(135deg, var(--navy), var(--panel));border:1px solid var(--accent);text-align:center;border-radius:14px;margin:16px 0 36px;padding:30px}.art-cta h3{color:var(--white);margin-bottom:10px;font-size:1.4rem}.art-cta p{color:var(--txt-2);margin-bottom:20px;font-size:1rem}.art-cta .btn{background:var(--accent);color:#0a1322;border-radius:8px;align-items:center;gap:10px;padding:14px 28px;font-size:1rem;font-weight:700;transition:all .2s;display:inline-flex}.art-cta .btn:hover{background:var(--accent-strong);transform:translateY(-1px)}.art-endcta{margin-top:40px}.art-endcta-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.art-cta .btn.ghost{color:var(--white);border:1px solid var(--accent);background:0 0}.art-cta .btn.ghost:hover{border-color:var(--accent-strong);background:#ffffff0f}.art-faq{margin:8px 0 32px}.art-faq details{border:1px solid var(--line);background:var(--bg-2);border-radius:10px;margin-bottom:10px;overflow:hidden}.art-faq summary{cursor:pointer;color:var(--white);justify-content:space-between;align-items:center;gap:12px;padding:17px 20px;font-size:1.02rem;font-weight:600;list-style:none;display:flex}.art-faq summary::-webkit-details-marker{display:none}.art-faq summary:after{content:"+";color:var(--accent);font-size:1.4rem;font-weight:400;line-height:1}.art-faq details[open] summary:after{content:"–"}.art-faq details[open] summary{border-bottom:1px solid var(--line-soft)}.art-faq .ans{color:var(--txt-2);padding:16px 20px;font-size:.98rem;line-height:1.7}.art-related{border-top:1px solid var(--line);margin-top:40px;padding-top:28px}.art-related .lbl{letter-spacing:.12em;text-transform:uppercase;color:var(--txt-3);margin-bottom:16px;font-size:.76rem;font-weight:700}.art-related a{border:1px solid var(--line);color:var(--txt);border-radius:9px;margin-bottom:10px;padding:14px 16px;font-weight:500;transition:all .15s;display:block}.art-related a:hover{border-color:var(--accent);color:var(--white);background:var(--bg-2)}.art-related a .arr{color:var(--accent);margin-right:8px}.art-previewbar{background:var(--red);color:#fff;text-align:center;letter-spacing:.02em;padding:7px 16px;font-size:.82rem;font-weight:600}