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h1{font-size:clamp(1.5rem,4vw,2.1rem);line-height:1.25;letter-spacing:-.02em;margin:0 0 10px}.article-meta{color:var(--text-soft);font-size:.9rem;margin-bottom:20px}.article-body{font-size:1.05rem}.article-body h2{margin-top:2em;letter-spacing:-.01em}.article-body table{border-collapse:collapse;width:100%;display:block;overflow-x:auto;font-size:.95rem}.article-body th,.article-body td{border:1px solid var(--line);padding:8px 12px;text-align:left}.article-body th{background:var(--bg-soft)}.article-body blockquote{border-left:4px solid var(--accent);margin:1.2em 0;padding:4px 18px;color:var(--text-soft);background:var(--bg-soft);border-radius:0 var(--radius) var(--radius) 0}.article-body img{display:block;margin:1.4em auto}.article-body figure{margin:1.6em 0}.article-body figure img{margin:0 auto}.article-body figcaption{color:var(--text-soft);font-size:.85rem;margin-top:8px;text-align:center}.disclosure{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:var(--radius);padding:12px 16px;font-size:.88rem;color:#78716c;margin:20px 0}.aff-link{font-weight:600}.back-to-top{position:fixed;right:16px;bottom:16px;z-index:50;width:46px;height:46px;border:0;border-radius:999px;background:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px #1d4ed859}.back-to-top:hover{background:var(--accent-dark)}.back-to-top[hidden]{display:none}.ad-slot{min-height:250px;margin:24px 0;display:flex;align-items:center;justify-content:center}.ad-slot-sidebar{min-height:600px;margin:20px 0 0}.article-layout{max-width:760px;margin:0 auto;padding:0 20px}.article-main{min-width:0}.article-sidebar{display:none}@media(min-width:1100px){.article-layout{max-width:1140px;display:grid;grid-template-columns:minmax(0,760px) 300px;gap:40px;justify-content:center;align-items:start}.article-sidebar{display:block;position:sticky;top:24px;margin-top:36px}}.author-card{border:1px solid 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24px}.term-meta{color:var(--text-soft);font-size:.88rem;margin-bottom:8px}.term-meta a{color:var(--text-soft)}.letter-index{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0;padding:0;list-style:none}.letter-index a{display:inline-block;min-width:34px;text-align:center;padding:5px 8px;border:1px solid var(--line);border-radius:6px;text-decoration:none;font-weight:600}.letter-index .empty{color:var(--line);border-style:dashed}.term-list{list-style:none;padding:0;margin:12px 0 28px;column-width:300px;column-gap:32px}.term-list li{margin:0 0 8px;break-inside:avoid}.term-list .def{color:var(--text-soft);font-size:.9rem}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;padding:0;list-style:none}.chip-row a{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:.9rem;background:var(--bg)}.chip-row a:hover{border-color:var(--accent)}.chip-row .chip-soon{display:inline-block;padding:6px 12px;border:1px dashed 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