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pre{background:var(--color-code-bg);color:var(--color-code-text);border-radius:var(--radius-lg);padding:16px;overflow:auto}.markdown-content code{background:var(--color-bg-tertiary);border-radius:6px;padding:2px 6px;font-family:JetBrains Mono,Fira Code,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.markdown-content pre code{color:inherit;background:0 0;padding:0}.markdown-content blockquote{border-left:4px solid var(--color-primary);background:var(--color-blockquote-bg);margin:16px 0;padding:12px 16px}.markdown-content details{background:var(--color-bg-tertiary);border-radius:10px;margin:16px 0;padding:12px 16px}.markdown-content summary{cursor:pointer;font-weight:600}.markdown-content sup{font-size:.8em}.markdown-content .footnotes{color:var(--color-text-muted);margin-top:24px;font-size:.9rem}.news-list-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;display:grid}.news-item-card{background:var(--card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--card-border);cursor:pointer;color:inherit;border-radius:16px;transition:transform .22s,box-shadow .22s,border-color .22s,background .22s;display:block;overflow:hidden}.news-item-card:hover{background:var(--card-hover);border-color:var(--card-border-hover);box-shadow:0 20px 48px var(--primary-glow), 0 0 0 1px #38bdf81f;transform:translateY(-6px)}.news-item-card img{object-fit:cover;width:100%;height:180px;display:block}.news-item-body{padding:18px 20px}.news-item-body h3{color:var(--text);margin:0 0 8px;font-size:1.08rem;font-weight:700;line-height:1.45}.news-item-body p{color:var(--text2);margin:0;font-size:.88rem;line-height:1.7}.about-section{padding:56px 0}.about-section.gray{background:var(--bg2)}.two-col{grid-template-columns:1fr 1fr;align-items:start;gap:28px;display:grid}.two-col img{border-radius:var(--radius-md);width:100%;display:block}.timeline-list{gap:16px;display:grid}.not-found-page{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:calc(100vh - 80px);padding:48px 24px;display:flex}.not-found-code{color:var(--color-primary);opacity:.9;margin-bottom:16px;font-size:clamp(80px,15vw,160px);font-weight:900;line-height:1}.not-found-title{color:var(--text);margin:0 0 12px;font-size:clamp(24px,4vw,36px);font-weight:700}.not-found-desc{color:var(--text2);max-width:480px;margin:0 auto 32px;font-size:1.1rem}.not-found-actions{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}@media (width<=1100px){.news-list.news-list-count-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=960px){.stats-inner{grid-template-columns:repeat(2,1fr)}.footer-main{grid-template-columns:1fr 1fr}.nav-links{display:none}}@media (width<=768px){.news-list.news-list-count-1,.news-list.news-list-count-2,.news-list.news-list-count-3{grid-template-columns:minmax(0,1fr)}.aitc-header-inner{padding:0 16px}.aitc-logo-text{font-size:1.6rem}.aitc-tagline{font-size:.85rem}.news-section,.container-simple{padding:32px 16px}.section{padding:48px 16px}.stats-inner{grid-template-columns:repeat(2,1fr);padding:0 16px}.stat-item{padding:20px 12px}.stat-num{font-size:2rem}}@media (width<=600px){.footer-main{grid-template-columns:1fr}.aitc-tagline{display:none}}@media (width<=992px){.two-col{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}