:root{--brand:#123b5d;--brand-hover:#5f568a;--accent:#756a9e;--risk:#c8463a;--page:#f5f5f6;--card:#fff;--text:#5a5c69;--heading:#30323d;--muted:#92949d;--line:#ececef;--shell:1140px;--reading:760px;--sans:"Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif}.pagination{background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:18px;margin:24px 0 0;padding:16px;display:flex}.article-toc{border-left:3px solid var(--accent);background:#f7f8fa;max-width:760px;margin:0 auto 28px;padding:18px 22px}.article-toc ol{margin:10px 0 0;padding-left:22px}.article-toc li{margin:5px 0}.article-neighbors{grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;display:grid}.article-neighbors a{border:1px solid var(--line);background:#fff;border-radius:6px;padding:16px}.related-articles{margin-top:24px}.related-articles li{margin:8px 0}@media (width<=640px){.article-neighbors{grid-template-columns:1fr}}*{box-sizing:border-box}html{color-scheme:light;scroll-behavior:smooth}body{color:var(--text);background:var(--page);font-family:var(--sans);overflow-wrap:anywhere;margin:0;font-size:16px;line-height:1.5}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-hover)}:focus-visible{outline-offset:3px;outline:3px solid #e5a93d}img{max-width:100%;height:auto}h1,h2,h3{color:var(--heading);font-family:var(--sans);margin-top:0;font-weight:600;line-height:1.45}p{margin:0 0 1em}.shell{width:min(calc(100% - 30px), var(--shell));margin-inline:auto}.skip-link{z-index:50;background:var(--card);padding:.65rem 1rem;position:fixed;top:-5rem;left:1rem}.skip-link:focus{top:1rem}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{background:var(--card);border-bottom:1px solid #e8e8eb}.site-header:before{content:"";background:var(--brand);height:3px;display:block}.header-inner{justify-content:space-between;align-items:center;gap:2rem;min-height:84px;display:flex}.brand{color:var(--heading);align-items:center;gap:.75rem;display:inline-flex}.brand strong{letter-spacing:.04em;font-size:1.35rem;font-weight:600;display:block}.brand small{color:var(--muted);letter-spacing:.08em;margin-top:.1rem;font-size:.7rem;display:block}.brand-logo{object-fit:cover;border-radius:5px;width:48px;height:44px;box-shadow:0 1px 4px #0000001f}.primary-nav{flex-wrap:wrap;gap:.35rem 1.35rem;display:flex}.primary-nav a{color:#62646e;padding:.4rem 0;font-size:.82rem}.primary-nav a:hover,.primary-nav a[aria-current=page]{color:var(--accent)}.two-column{grid-template-columns:minmax(0,740px) minmax(280px,350px);align-items:start;gap:20px;padding-block:24px 48px;display:grid}.welcome-card,.article-teaser,.side-section,.page-shell,.article-page{background:var(--card);border-radius:8px;box-shadow:0 2px 8px #00000006}.welcome-card{margin-bottom:24px;padding:26px 28px;position:relative}.pinned-label{color:var(--accent);background:#f2f0f8;border-radius:3px;margin-bottom:.55rem;padding:.2rem .5rem;font-size:.7rem;display:inline-block}.welcome-card h1{margin-bottom:.65rem;font-size:1.55rem}.welcome-card p{color:#71737d;max-width:44rem;line-height:1.8}.welcome-card nav{flex-wrap:wrap;gap:.5rem 1.25rem;margin-top:1rem;font-size:.78rem;display:flex}.list-label{justify-content:space-between;align-items:center;margin:0 2px 12px;display:flex}.list-label h2{margin:0;font-size:1rem}.list-label a{color:var(--muted);font-size:.75rem}.article-teaser{margin-bottom:24px;padding:22px 24px 18px}.teaser-heading{align-items:baseline;gap:.75rem;margin-bottom:1rem;display:flex}.article-teaser h2{flex:0 auto;margin:0;font-size:1.2rem;font-weight:500}.article-teaser h2 a{color:var(--heading)}.article-teaser h2 a:hover{color:var(--accent)}.category-link{color:var(--accent);flex:none;font-size:.68rem}.article-teaser p{color:#6b6d77;font-size:.92rem;line-height:2}.teaser-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:1rem;margin-top:1.25rem;padding-top:.8rem;display:flex}.article-meta,.tag-row{color:var(--muted);flex-wrap:wrap;gap:.35rem .9rem;font-size:.7rem;display:flex}.tag-row a{color:#8b8d96}.sidebar{min-width:0}.side-section{margin-bottom:24px;padding:20px}.side-section h2{margin-bottom:.85rem;font-size:.9rem;font-weight:600}.side-section p,.plain-links,.rank-links{color:#7a7c85;font-size:.8rem;line-height:1.8}.profile-note{text-align:center}.profile-logo{border-radius:8px;width:126px;height:auto;margin:0 auto 1rem;display:block;box-shadow:0 2px 8px #00000017}.profile-note h2{margin-bottom:.35rem;font-size:1.05rem}.profile-footer{justify-content:center;align-items:center;gap:1.1rem;margin-top:1rem;display:flex}.profile-footer>a{font-size:.72rem}.qr-card{text-align:center}.qr-card .wechat-qr{width:min(72%,190px);height:auto;margin:.25rem auto 1rem;display:block}.qr-card p{color:var(--muted);margin:0;font-size:.72rem}.search-preview{grid-template-columns:minmax(0,1fr) 42px;display:grid}.search-preview input{width:100%;min-width:0;height:38px;font:inherit;background:#fafafa;border:1px solid #dddde1;border-right:0;border-radius:4px 0 0 4px;padding:.5rem .6rem;font-size:.75rem}.search-preview button{color:#fff;background:var(--brand);font:inherit;cursor:pointer;border:0;border-radius:0 4px 4px 0;font-size:.7rem}.aside-hint{margin:.55rem 0 0;color:#aaa!important;font-size:.67rem!important}.plain-links,.rank-links{margin:0;padding-left:1rem}.plain-links li,.rank-links li{margin:.3rem 0}.plain-links.compact{columns:2}.empty-data{border-left:3px solid var(--risk);text-align:left;background:#fafafa;gap:.15rem;padding:.75rem .85rem;display:grid}.empty-data span{color:#666873;font-weight:600}.empty-data small{color:#aaa}.page-shell{margin-block:24px 48px;padding:32px}.page-intro{border-bottom:1px solid var(--line);max-width:50rem;margin-bottom:2.2rem;padding-bottom:1.25rem}.page-intro h1{margin-bottom:.55rem;font-size:1.8rem}.page-intro p{color:#777984;line-height:1.8}.policy-page{width:min(100% - 30px,860px)}.policy-page .page-intro{max-width:44rem;margin-bottom:1.8rem}.policy-updated{color:var(--muted);margin-top:.3rem;font-size:.75rem;display:inline-block}.policy-summary{color:#4f5961;border-left:3px solid var(--brand);background:#f4f7f8;margin:0 0 2rem;padding:1rem 1.15rem;line-height:1.8}.policy-page .prose{max-width:46rem}.policy-page .prose h2{margin-top:2.2rem}.policy-page .prose ul,.policy-page .prose ol{padding-left:1.3rem}.policy-page .prose li{margin:.45rem 0;padding-left:.2rem}.policy-page .prose code{color:#344e60;font-family:var(--sans);background:#f2f4f5;border-radius:3px;padding:.12rem .3rem;font-size:.88em}.policy-page .prose a{text-underline-offset:3px;text-decoration:underline}.page-shell .article-teaser{border:1px solid var(--line);box-shadow:none}.article-page{width:min(calc(100% - 30px), var(--reading));margin:24px auto 48px;padding:36px 42px}.article-header{border-bottom:1px solid var(--line);margin-bottom:2rem;padding-bottom:1.4rem}.article-header h1{margin:.7rem 0 1rem;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:500}.article-header .article-meta{font-size:.75rem}.original-title{color:var(--muted);font-size:.78rem}.prose{color:#4f515b;font-size:1rem;line-height:2}.prose>p{margin-bottom:1.3em}.prose h2{border-bottom:1px solid var(--line);margin-top:2.6rem;padding-bottom:.45rem;font-size:1.35rem}.prose h3{margin-top:2rem;font-size:1.12rem}.prose blockquote{color:#676973;border-left:3px solid var(--accent);background:#fafafa;margin:1.8rem 0;padding:1rem 1.2rem}.prose blockquote p:last-child{margin-bottom:0}.prose table{border-collapse:collapse;width:100%;font-size:.85rem}.prose th,.prose td{text-align:left;border:1px solid #e4e4e7;padding:.7rem}.prose th{background:#f7f7f8}.prose img[role=button]{cursor:zoom-in}.image-viewer{background:#fff;border:0;border-radius:8px;width:min(94vw,1200px);max-height:94vh;padding:44px 14px 14px}.image-viewer::backdrop{background:#12181fd1}.image-viewer img{object-fit:contain;max-height:calc(94vh - 58px);margin:auto;display:block}.image-viewer button{color:var(--brand);cursor:pointer;background:0 0;border:0;position:absolute;top:10px;right:12px}.risk-note{color:#777;border-left:3px solid var(--risk);background:#fff8f6;margin-top:2.8rem;padding:1rem 1.15rem;font-size:.8rem}.back-link{margin-top:2rem;font-size:.8rem;display:inline-block}.archive-group{margin-bottom:2.4rem}.archive-group h2{border-bottom:1px solid var(--line);padding-bottom:.45rem;font-size:1.2rem}.archive-list{margin:0;padding:0;list-style:none}.archive-list li{border-bottom:1px solid var(--line);grid-template-columns:7rem 1fr;gap:1rem;padding:.65rem 0;display:grid}.archive-list time{color:var(--muted);font-size:.75rem}.status-panel{background:#fafafa;border-radius:6px;max-width:800px;padding:1.4rem 1.5rem}.status-panel dl{grid-template-columns:10rem 1fr;margin:0;display:grid}.status-panel dt,.status-panel dd{border-bottom:1px solid var(--line);padding:.6rem 0}.status-panel dt{color:var(--heading);font-weight:600}.status-panel dd{margin:0}.site-footer{color:#999ba3;background:var(--card);border-top:1px solid #e6e6e8}.footer-inner{justify-content:space-between;align-items:center;gap:2rem;min-height:96px;font-size:.75rem;display:flex}.footer-inner p{margin:0}.footer-inner nav{gap:1rem;display:flex}@media (width<=820px){.header-inner{flex-direction:column;align-items:flex-start;gap:.55rem;padding-block:.85rem}.primary-nav{border-top:1px solid var(--line);gap:.25rem 1rem;width:100%;padding-top:.55rem;overflow-x:auto}.primary-nav a{white-space:nowrap}.two-column{grid-template-columns:1fr}.welcome-card,.article-teaser,.side-section{margin-bottom:16px}.sidebar{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.side-section{margin:0}.page-shell{padding:24px}.article-page{padding:28px 24px}.status-panel dl{grid-template-columns:1fr}.status-panel dd{padding-top:0}}@media (width<=560px){body{font-size:15px}.shell{width:min(calc(100% - 20px), var(--shell))}.brand strong{font-size:1.2rem}.welcome-card{padding:22px 20px}.welcome-card h1{font-size:1.35rem}.article-teaser{padding:19px 18px 16px}.teaser-heading{display:block}.article-teaser h2{margin-bottom:.35rem;font-size:1.1rem}.article-teaser p{font-size:.86rem;line-height:1.85}.teaser-footer{flex-direction:column;align-items:flex-start;gap:.45rem}.sidebar{display:block}.side-section{margin-bottom:16px}.page-shell{margin-top:16px;padding:20px 18px}.article-page{width:min(calc(100% - 20px), var(--reading));margin-top:16px;padding:24px 18px}.archive-list li{grid-template-columns:1fr;gap:.05rem}.footer-inner{flex-direction:column;align-items:flex-start;gap:.55rem;padding-block:1.3rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.footer-inner nav{flex-wrap:wrap;justify-content:flex-end;align-items:center}.footer-cookie-button{color:var(--brand);font:inherit;cursor:pointer;background:0 0;border:0;padding:0}.footer-cookie-button:hover{color:var(--brand-hover)}.cookie-banner[hidden]{display:none}.cookie-banner{z-index:45;color:#dce7ee;background:#123b5d;border:1px solid #ffffff29;border-radius:7px;justify-content:space-between;align-items:center;gap:24px;width:min(100% - 36px,920px);margin-inline:auto;padding:18px 20px;display:flex;position:fixed;bottom:18px;left:18px;right:18px;box-shadow:0 12px 36px #15232e3d}.cookie-copy{max-width:650px}.cookie-copy strong{color:#fff;margin-bottom:4px;font-size:.95rem;display:block}.cookie-copy p{margin:0 0 5px;font-size:.78rem;line-height:1.65}.cookie-copy a{color:#fff;text-underline-offset:3px;font-size:.75rem;text-decoration:underline}.cookie-actions{flex:none;grid-template-columns:repeat(2,minmax(96px,1fr));gap:8px;display:grid}.cookie-actions button{color:#fff;min-height:40px;font:inherit;cursor:pointer;background:0 0;border:1px solid #ffffffb8;border-radius:4px;padding:8px 13px;font-size:.78rem}.cookie-actions button:hover{color:#123b5d;background:#fff}@media (width<=720px){.cookie-banner{flex-direction:column;align-items:stretch;gap:14px;width:calc(100% - 20px);padding:16px;bottom:10px;left:10px;right:10px}.cookie-actions{width:100%}.footer-inner nav{justify-content:flex-start}}