/* v18.26: contained readability changes; existing theme and section icons stay intact. */
.plain-article{max-width:960px;margin:28px auto 44px}.plain-section{display:block!important;margin:0 0 24px;padding:26px 28px;background:linear-gradient(135deg,rgba(39,47,51,.94),rgba(25,30,33,.95));border:1px solid rgba(255,151,73,.18);border-radius:22px;scroll-margin-top:110px}.plain-section h2{font-size:clamp(22px,2.5vw,30px);line-height:1.25;margin:0 0 15px}.plain-section p,.plain-guide p,.plain-guide li{font-size:17px;line-height:1.75;color:#d2d2ca}.plain-section p:last-child{margin-bottom:0}.legacy-anchor{display:block;scroll-margin-top:110px}.article-toc,.related-v26{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.article-toc a,.related-v26 a{padding:10px 15px;border-radius:12px;border:1px solid #615044;background:#20272a;color:#f7c598;text-decoration:none}.article-toc a:hover,.related-v26 a:hover{border-color:#ff9b51;background:#2c3031}.article-toc a:focus-visible,.related-v26 a:focus-visible{outline:2px solid #6dd0ff;outline-offset:3px}.own-example{margin:22px 0 30px;border:1px solid #4d4338;border-radius:20px;overflow:hidden;background:#121b20}.example-image{position:relative}.example-image img{display:block;width:100%;max-width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#11181c}.image-signature{position:absolute;right:14px;bottom:12px;padding:6px 10px;border-radius:8px;background:rgba(10,17,21,.82);color:#ead3b9;font:600 10px/1.4 sans-serif;letter-spacing:.09em;pointer-events:none}.own-example figcaption{padding:14px 18px;color:#e0d9cf;font-size:14px;line-height:1.6}.own-example small{display:block;color:#a5adaf;margin-top:6px}.work-steps{padding-left:26px}.work-steps li{padding:0 0 14px 7px}.answer-lead{font-size:19px!important;color:#eee4d6!important}.safety-note{padding:14px 18px;border-left:3px solid #d99b59;background:rgba(181,102,40,.07);line-height:1.7}.topic-shortcut{max-width:960px;margin:20px auto}.forum-entry{display:flex;align-items:center;gap:14px;margin-top:22px;padding:20px;border:1px solid #665343;border-radius:18px;background:linear-gradient(120deg,#262e32,#252321);color:#f0e8df;text-decoration:none;transition:border-color .2s,box-shadow .2s}.forum-entry:hover{border-color:#ee9d60;box-shadow:0 0 22px rgba(255,128,45,.12)}.forum-entry>span:nth-child(2){display:grid;gap:5px}.forum-entry small{font-size:10px;letter-spacing:.12em;color:#f6b379}.forum-entry strong{font-size:21px}.forum-entry span span{font-size:13px;color:#aab4b7}.forum-entry b{margin-left:auto}.forum-entry-icon{font-size:40px;color:#73cafa;text-shadow:0 0 16px #247696}.rights-line{font-size:12px;line-height:1.8;opacity:.85}.rights-line a{color:#b6c0c4}.practical-start{max-width:100%;min-width:0}.practical-table{overflow-x:auto}table{max-width:100%}.theory-detail-page .plain-article{display:block!important}.topic-modal-content h2:empty{display:none}.plain-guide .own-example{max-width:780px}
@media(max-width:640px){.plain-section{padding:20px 17px;border-radius:16px}.plain-section p,.plain-guide p,.plain-guide li{font-size:16px}.article-toc{gap:7px}.article-toc a{font-size:14px;padding:9px 11px}.own-example{border-radius:14px}.forum-entry{padding:16px}.image-signature{font-size:8px;right:8px;bottom:8px}.own-example figcaption{padding:12px}.plain-article{margin-top:20px}}
@media(prefers-reduced-motion:reduce){.forum-entry{transition:none}}