:root{--nx-blue:#1268e8;--nx-cyan:#16b9d4;--nx-ink:#172033;--nx-text:#465066;--nx-muted:#8a94a6;--nx-line:#e8edf4;--nx-bg:#f4f7fb;--nx-card:#fff;--nx-orange:#ff7b3e;--nx-radius:14px;--nx-shadow:0 10px 30px rgba(36,57,91,.07)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body.nxseo-page{margin:0;color:var(--nx-text);background:var(--nx-bg);font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
.nxseo-page a{color:inherit;text-decoration:none;transition:.2s ease}
.nxseo-page img{display:block;max-width:100%}
.nxseo-shell{width:min(1180px,calc(100% - 32px));margin:auto}
.nxseo-topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--nx-line);backdrop-filter:blur(12px)}
.nxseo-topbar__inner{display:flex;align-items:center;min-height:72px;gap:32px}
.nxseo-brand{display:inline-flex;align-items:center;flex:none;font-weight:800}
.nxseo-brand__mark{display:grid;place-items:center;width:38px;height:38px;margin-right:10px;color:#fff;background:linear-gradient(135deg,var(--nx-blue),var(--nx-cyan));border-radius:11px;font-size:20px;box-shadow:0 6px 14px rgba(18,104,232,.25)}
.nxseo-brand__text{color:var(--nx-ink);font-size:20px;letter-spacing:-.5px}
.nxseo-menu{display:flex;align-self:stretch;gap:5px}
.nxseo-menu a{position:relative;display:flex;align-items:center;padding:0 13px;color:#444e61;font-weight:600;white-space:nowrap}
.nxseo-menu a:hover,.nxseo-menu a.is-current{color:var(--nx-blue)}
.nxseo-menu a.is-current:after{position:absolute;right:13px;bottom:0;left:13px;height:3px;background:var(--nx-blue);border-radius:3px 3px 0 0;content:""}
.nxseo-headsearch{display:flex;margin-left:auto;flex:none}
.nxseo-headsearch input{width:175px;height:36px;padding:0 14px;border:1px solid #dce3ed;border-radius:18px 0 0 18px;outline:0}
.nxseo-headsearch input:focus{border-color:var(--nx-blue)}
.nxseo-headsearch button{height:36px;padding:0 15px;color:#fff;background:var(--nx-blue);border:0;border-radius:0 18px 18px 0;cursor:pointer}
.nxseo-ticker{background:#fff;border-bottom:1px solid var(--nx-line)}
.nxseo-ticker__inner{display:flex;align-items:center;gap:12px;height:39px;overflow:hidden;white-space:nowrap;font-size:13px}
.nxseo-ticker strong{padding:2px 9px;color:#fff;background:var(--nx-orange);border-radius:11px;font-size:11px}
.nxseo-ticker a{overflow:hidden;color:#505a6d;text-overflow:ellipsis}
.nxseo-ticker span{margin-left:auto;color:var(--nx-muted)}
.nxseo-main{padding:20px 0 50px}
.nxseo-crumb{display:flex;align-items:center;gap:8px;overflow:hidden;margin-bottom:17px;color:var(--nx-muted);font-size:13px;white-space:nowrap}
.nxseo-crumb a:hover{color:var(--nx-blue)}
.nxseo-crumb i{font-style:normal;color:#b7bec9}
.nxseo-crumb span{overflow:hidden;text-overflow:ellipsis}
.nxseo-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;align-items:start;gap:24px}
.nxseo-article{min-width:0;background:var(--nx-card);border:1px solid rgba(224,231,240,.8);border-radius:var(--nx-radius);box-shadow:var(--nx-shadow)}
.nxseo-article__head{padding:36px 38px 28px;border-bottom:1px solid var(--nx-line)}
.nxseo-labelrow{display:flex;gap:9px;margin-bottom:20px}
.nxseo-labelrow a,.nxseo-labelrow span{padding:3px 11px;border-radius:14px;font-size:12px;font-weight:600}
.nxseo-labelrow a{color:var(--nx-blue);background:#eaf3ff}.nxseo-labelrow span{color:#16866f;background:#e9f9f5}
.nxseo-article__head h1{margin:0 0 18px;color:var(--nx-ink);font-size:clamp(28px,3vw,39px);line-height:1.38;letter-spacing:-.6px;overflow-wrap:anywhere}
.nxseo-deck{margin:0 0 24px;color:#697389;font-size:16px;line-height:1.8}
.nxseo-byline{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;padding:17px 0 2px;color:#9aa2ae;border-top:1px solid var(--nx-line);font-size:13px}
.nxseo-byline__item{display:inline-flex;align-items:center;min-width:0;gap:6px;color:#9aa2ae;white-space:nowrap}
.nxseo-byline__item i{display:inline-flex;align-items:center;justify-content:center;color:#aeb5be;font-style:normal;font-size:17px;line-height:1}
.nxseo-byline__item b{color:#7d8693;font-weight:500}
.nxseo-byline a.nxseo-byline__item:hover,.nxseo-byline a.nxseo-byline__item:hover i{color:var(--nx-blue)}
.nxseo-metrics{display:grid;grid-template-columns:repeat(4,1fr);margin:0 38px;border-bottom:1px solid var(--nx-line)}
.nxseo-metrics div{display:grid;justify-items:center;padding:18px 8px;position:relative}
.nxseo-metrics div:not(:last-child):after{position:absolute;right:0;top:24%;height:52%;border-right:1px solid var(--nx-line);content:""}
.nxseo-metrics strong{color:var(--nx-blue);font-size:21px}.nxseo-metrics span{color:var(--nx-muted);font-size:12px}
.nxseo-article__body{padding:30px 38px 38px}
.nxseo-summary{position:relative;margin-bottom:25px;padding:22px 24px;background:linear-gradient(135deg,#eef5ff,#f5fbff);border:1px solid #dceaff;border-radius:12px}
.nxseo-summary>span{color:var(--nx-blue);font-size:12px;font-weight:700;letter-spacing:1px}.nxseo-summary h2{margin:4px 0 7px;color:var(--nx-ink);font-size:20px}.nxseo-summary p{margin:0}
.nxseo-cover{margin:0 0 28px}.nxseo-cover img{width:100%;max-height:470px;object-fit:cover;border-radius:10px}.nxseo-cover figcaption,.nxseo-gallery figcaption{padding-top:7px;color:var(--nx-muted);text-align:center;font-size:12px}
.nxseo-prose{color:#3e4758;font-size:16px;line-height:1.95;overflow-wrap:anywhere}.nxseo-prose>p{margin:0 0 1.2em}.nxseo-prose h2{margin:34px 0 17px;padding-left:13px;color:var(--nx-ink);border-left:4px solid var(--nx-blue);font-size:24px;line-height:1.4}.nxseo-prose h3{color:var(--nx-ink)}
.nxseo-callout{margin:25px 0;padding:18px 20px;background:#fff8f3;border:1px solid #ffe0cf;border-left:4px solid var(--nx-orange);border-radius:8px}.nxseo-callout b{color:#d95820}.nxseo-callout p{margin:4px 0 0}
.nxseo-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}
.nxseo-steps div{padding:18px;background:#f8fafc;border:1px solid var(--nx-line);border-radius:10px}.nxseo-steps i{display:grid;place-items:center;width:30px;height:30px;color:#fff;background:var(--nx-blue);border-radius:8px;font-style:normal;font-size:11px;font-weight:700}.nxseo-steps h3{margin:10px 0 4px;font-size:16px}.nxseo-steps p{margin:0;color:#717b8e;font-size:13px;line-height:1.65}
.nxseo-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.nxseo-gallery figure{margin:0}.nxseo-gallery img{width:100%;height:230px;object-fit:cover;border-radius:9px}
.nxseo-checklist{display:grid;gap:10px;margin:20px 0;padding:0;list-style:none}.nxseo-checklist li{position:relative;display:grid;padding:13px 16px 13px 48px;background:#f8fbfa;border:1px solid #e2f0eb;border-radius:9px}.nxseo-checklist li:before{position:absolute;left:16px;top:15px;display:grid;place-items:center;width:21px;height:21px;color:#fff;background:#21a67a;border-radius:50%;content:"✓";font-size:12px}.nxseo-checklist b{color:#263347}.nxseo-checklist span{color:#737d8c;font-size:13px}
.nxseo-faq{display:grid;gap:9px}.nxseo-faq details{padding:14px 17px;background:#fafbfd;border:1px solid var(--nx-line);border-radius:9px}.nxseo-faq summary{color:var(--nx-ink);cursor:pointer;font-weight:600}.nxseo-faq p{margin:10px 0 0;color:#687386;font-size:14px}
.nxseo-article__foot{margin-top:32px;padding-top:24px;border-top:1px solid var(--nx-line)}
.nxseo-tags{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.nxseo-tags span{margin-right:4px;color:var(--nx-muted);font-size:13px}.nxseo-tags a{padding:4px 11px;color:#566274;background:#f1f4f7;border-radius:14px;font-size:12px}.nxseo-tags a:hover{color:#fff;background:var(--nx-blue)}
.nxseo-pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}.nxseo-pager a{overflow:hidden;padding:11px 13px;color:#566274;background:#f8fafc;border-radius:8px;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.nxseo-pager a:last-child{text-align:right}.nxseo-pager a:hover{color:var(--nx-blue)}
.nxseo-rail{display:grid;min-width:0;gap:18px}.nxseo-railcard{overflow:hidden;padding:19px;background:#fff;border:1px solid rgba(224,231,240,.9);border-radius:12px;box-shadow:0 7px 22px rgba(36,57,91,.055)}
.nxseo-profile{display:flex;align-items:center;gap:13px;background:linear-gradient(135deg,#1268e8,#184eb6);color:#fff}.nxseo-profile img{width:62px;height:62px;object-fit:cover;border:3px solid rgba(255,255,255,.7);border-radius:50%}.nxseo-profile span{font-size:11px;opacity:.75}.nxseo-profile h2{margin:0;font-size:18px}.nxseo-profile p{margin:2px 0 0;font-size:12px;line-height:1.55;opacity:.8}
.nxseo-railtitle{display:flex;align-items:end;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--nx-line)}.nxseo-railtitle span{color:var(--nx-ink);font-size:17px;font-weight:700}.nxseo-railtitle small{color:#aab2bf;font-size:9px;letter-spacing:1px}
.nxseo-toc{display:grid;padding-top:7px}.nxseo-toc a{display:flex;align-items:center;gap:10px;padding:9px 2px;color:#566173;border-bottom:1px dashed #edf0f4;font-size:13px}.nxseo-toc a:last-child{border-bottom:0}.nxseo-toc b{color:#9ca6b5;font-size:11px}.nxseo-toc a:hover,.nxseo-toc a:hover b{color:var(--nx-blue)}
.nxseo-hotlist{display:grid;padding-top:7px}.nxseo-hotlist>a{display:flex;min-width:0;gap:10px;padding:10px 0;border-bottom:1px dashed #e9edf2}.nxseo-hotlist>a:last-child{border-bottom:0}.nxseo-hotlist img{flex:0 0 66px;width:66px;height:54px;object-fit:cover;border-radius:7px}.nxseo-hotlist div{min-width:0}.nxseo-hotlist h3{display:-webkit-box;overflow:hidden;margin:0;color:#3e4859;font-size:13px;line-height:1.5;-webkit-box-orient:vertical;-webkit-line-clamp:2}.nxseo-hotlist span{color:#a2aab6;font-size:11px}.nxseo-hotlist a:hover h3{color:var(--nx-blue)}
.nxseo-toolgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;padding-top:14px}.nxseo-toolgrid a{display:flex;align-items:center;gap:8px;padding:10px 8px;background:#f7f9fc;border-radius:8px;font-size:12px}.nxseo-toolgrid i{display:grid;place-items:center;width:25px;height:25px;color:var(--nx-blue);background:#e7f1ff;border-radius:7px;font-style:normal;font-weight:700}.nxseo-toolgrid a:hover{color:var(--nx-blue);background:#eef6ff}
.nxseo-newsrank{margin:7px 0 0;padding:0;list-style:none;counter-reset:nxseo-news}.nxseo-newsrank li{position:relative;display:grid;grid-template-columns:25px minmax(0,1fr);padding:10px 0;border-bottom:1px dashed #e9edf2;counter-increment:nxseo-news}.nxseo-newsrank li:last-child{border-bottom:0}.nxseo-newsrank li:before{grid-row:1/3;display:grid;place-items:center;align-self:start;width:19px;height:19px;margin-top:2px;color:#7b8797;background:#eff3f7;border-radius:5px;content:counter(nxseo-news);font-size:10px;font-weight:700}.nxseo-newsrank li:nth-child(-n+3):before{color:#fff;background:var(--nx-blue)}.nxseo-newsrank a{display:-webkit-box;overflow:hidden;color:#485365;font-size:13px;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:2}.nxseo-newsrank a:hover{color:var(--nx-blue)}.nxseo-newsrank time{color:#a4acb8;font-size:10px}
.nxseo-topiccloud{display:flex;flex-wrap:wrap;gap:8px;padding-top:14px}.nxseo-topiccloud a{padding:5px 10px;color:#657083;background:#f3f6fa;border:1px solid #edf1f5;border-radius:15px;font-size:11px}.nxseo-topiccloud a:hover{color:#fff;background:var(--nx-blue);border-color:var(--nx-blue)}
.nxseo-recommend{margin-top:30px}.nxseo-recommend>header{display:flex;align-items:end;justify-content:space-between;margin-bottom:16px}.nxseo-recommend header span{color:var(--nx-blue);font-size:11px;font-weight:700;letter-spacing:1px}.nxseo-recommend h2{margin:2px 0 0;color:var(--nx-ink);font-size:25px}.nxseo-recommend header>a{color:var(--nx-blue);font-size:13px}
.nxseo-cardgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.nxseo-cardgrid article{overflow:hidden;background:#fff;border:1px solid var(--nx-line);border-radius:12px;box-shadow:0 6px 20px rgba(36,57,91,.045);transition:.2s}.nxseo-cardgrid article:hover{transform:translateY(-4px);box-shadow:var(--nx-shadow)}.nxseo-cardgrid img{width:100%;height:160px;object-fit:cover}.nxseo-cardgrid article div{padding:17px}.nxseo-cardgrid span{color:var(--nx-blue);font-size:11px;font-weight:700}.nxseo-cardgrid h3{display:-webkit-box;overflow:hidden;margin:5px 0;color:var(--nx-ink);font-size:17px;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:2}.nxseo-cardgrid p{display:-webkit-box;overflow:hidden;margin:0 0 9px;color:#778194;font-size:13px;line-height:1.6;-webkit-box-orient:vertical;-webkit-line-clamp:2}.nxseo-cardgrid time{color:#a0a8b5;font-size:11px}
.nxseo-footer{margin-top:50px;padding:44px 0 18px;color:#aeb8ca;background:#172033}.nxseo-footer__grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:35px}.nxseo-footer .nxseo-brand__text{color:#fff}.nxseo-footer__about p{max-width:360px;margin:16px 0 0}.nxseo-footer h2{margin:0 0 13px;color:#fff;font-size:15px}.nxseo-footer__grid>div:not(:first-child){display:flex;flex-direction:column;gap:8px}.nxseo-footer a:hover{color:#fff}.nxseo-footer__bottom{margin-top:32px;padding-top:17px;border-top:1px solid rgba(255,255,255,.09);text-align:center;font-size:12px}
@media(max-width:1050px){.nxseo-topbar__inner{gap:18px}.nxseo-menu{gap:0}.nxseo-menu a{padding:0 9px}.nxseo-headsearch input{width:145px}.nxseo-layout{grid-template-columns:minmax(0,1fr) 280px}.nxseo-steps{grid-template-columns:1fr}.nxseo-footer__grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.nxseo-topbar__inner{flex-wrap:wrap;padding-top:11px}.nxseo-headsearch{margin-left:auto}.nxseo-menu{order:3;width:100%;height:44px;overflow-x:auto;scrollbar-width:none}.nxseo-menu::-webkit-scrollbar{display:none}.nxseo-menu a{flex:none;padding:0 14px}.nxseo-layout{grid-template-columns:1fr}.nxseo-rail{grid-template-columns:repeat(2,minmax(0,1fr))}.nxseo-profile{grid-column:1/-1}.nxseo-cardgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.nxseo-shell{width:calc(100% - 20px)}.nxseo-topbar__inner{gap:8px}.nxseo-brand__mark{width:34px;height:34px}.nxseo-brand__text{font-size:18px}.nxseo-headsearch{order:2;width:100%}.nxseo-headsearch input{flex:1;width:0}.nxseo-menu{order:3}.nxseo-ticker__inner span{display:none}.nxseo-main{padding-top:13px}.nxseo-article__head{padding:24px 17px 20px}.nxseo-article__head h1{font-size:25px}.nxseo-deck{font-size:14px}.nxseo-byline time,.nxseo-byline>span{font-size:11px}.nxseo-metrics{grid-template-columns:repeat(2,1fr);margin:0 17px}.nxseo-metrics div:nth-child(2):after{display:none}.nxseo-article__body{padding:20px 17px 25px}.nxseo-summary{padding:17px}.nxseo-prose{font-size:15px}.nxseo-prose h2{font-size:21px}.nxseo-gallery{grid-template-columns:1fr}.nxseo-gallery img{height:210px}.nxseo-pager{grid-template-columns:1fr}.nxseo-pager a:last-child{text-align:left}.nxseo-rail{grid-template-columns:1fr}.nxseo-profile{grid-column:auto}.nxseo-cardgrid{grid-template-columns:1fr}.nxseo-cardgrid img{height:180px}.nxseo-footer__grid{grid-template-columns:1fr}.nxseo-footer__grid>div:not(:first-child){display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* 非链接内容：保持原视觉，但不产生站内链接 */
.nxseo-tags .nxseo-no-link{padding:4px 11px;color:#566274;background:#f1f4f7;border-radius:14px;font-size:12px}
.nxseo-pager .nxseo-no-link{overflow:hidden;padding:11px 13px;color:#566274;background:#f8fafc;border-radius:8px;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.nxseo-pager .nxseo-no-link:last-child{text-align:right}
.nxseo-newsrank .nxseo-no-link{display:-webkit-box;overflow:hidden;color:#485365;font-size:13px;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.nxseo-topiccloud .nxseo-no-link{padding:5px 10px;color:#657083;background:#f3f6fa;border:1px solid #edf1f5;border-radius:15px;font-size:11px}
.nxseo-toolgrid .nxseo-tool-static{display:flex;align-items:center;gap:8px;padding:10px 8px;color:#465066;background:#f7f9fc;border-radius:8px;font-size:12px}
.nxseo-toolgrid .nxseo-tool-static i{display:grid;place-items:center;width:25px;height:25px;color:var(--nx-blue);background:#e7f1ff;border-radius:7px;font-style:normal;font-weight:700}
.nxseo-cardgrid .nxseo-card-static{display:block;padding:0!important;color:inherit}
.nxseo-cardgrid .nxseo-card-static>div{padding:17px}
.nxseo-footer .nxseo-no-link{color:#aeb8ca}
@media(max-width:560px){.nxseo-pager .nxseo-no-link:last-child{text-align:left}}