/* V6.6: article-only reading layout; does not affect archive or project pages. */
.vn66-reading-layout{display:grid;grid-template-columns:minmax(0,190px) minmax(0,680px) minmax(0,250px);column-gap:clamp(12px,1.7vw,20px);align-items:start;padding:44px 16px 100px;box-sizing:border-box;max-width:min(var(--width,1200px),100%);margin-inline:auto}
.vn66-reading-layout>*{min-width:0}.vn66-reading-main .vn59-blog-body{width:100%;max-width:none;margin:0;padding:0}.vn66-reading-main .entry-content{max-width:680px;margin:0;font-size:17px;line-height:1.85;overflow-wrap:anywhere}.vn66-reading-main .entry-content img{max-width:100%;height:auto}.vn66-reading-main .entry-content table{display:block;max-width:100%;overflow-x:auto}
.vn66-toc-slot,.vn66-cta-slot{position:sticky;top:calc(var(--vn-header-height,78px) + 30px);max-height:calc(100dvh - var(--vn-header-height,78px) - 45px);overflow-y:auto;scrollbar-width:thin}
.vn66-toc{padding:20px 16px;background:#151d25;border:1px solid rgba(255,255,255,.11);border-radius:12px}.vn66-panel-title{font-size:16px;font-weight:750;color:var(--orange,#f1a34d);margin:0 0 12px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12)}.vn66-toc-list{list-style:none;padding:0;margin:0;counter-reset:vn66;display:grid;gap:5px}.vn66-toc-list li{margin:0;padding:0}.vn66-toc-list a{display:block;border-left:2px solid transparent;padding:7px 8px;color:#c4d0d8!important;text-decoration:none!important;font-size:13px;font-weight:500;line-height:1.35;transition:color .2s,background .2s,border-color .2s}.vn66-toc-list a:hover,.vn66-toc-list a[aria-current="location"]{color:var(--orange,#f1a34d)!important;border-color:var(--orange,#f1a34d);background:rgba(241,163,77,.08)}.vn66-toc-list li.vn66-level-3 a{padding-left:19px;font-size:12px;opacity:.88}
.vn66-cta{padding:22px 20px;background:linear-gradient(150deg,#202e3c,#101923);border:1px solid rgba(241,163,77,.28);border-radius:14px;box-shadow:0 14px 40px rgba(0,0,0,.2)}.vn66-cta h2{font-size:clamp(20px,1.8vw,25px)!important;line-height:1.22;margin:0 0 13px;color:#fff}.vn66-cta p{font-size:14px;line-height:1.65;color:#d3dee7;margin:0 0 20px}.vn66-cta-button{display:block;padding:14px 12px;text-align:center;background:var(--orange,#f1a34d);border-radius:var(--vn-btn-radius,9px);color:#10151a!important;font-weight:800!important;text-decoration:none!important;transition:background .2s,transform .2s}.vn66-cta-button:hover{background:#fff;color:#111820!important;transform:translateY(-2px)}
.vn66-mobile-toc{display:none}.vn66-reading-main h2[id],.vn66-reading-main h3[id]{scroll-margin-top:calc(var(--vn-header-height,78px) + 95px)}
@media(max-width:1199px){.vn66-reading-layout{grid-template-columns:minmax(0,1fr) minmax(210px,265px);max-width:1000px;gap:24px;padding-top:32px}.vn66-toc-slot{display:none}.vn66-mobile-toc{display:block;position:relative;margin-bottom:32px}.vn66-toc-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;color:#fff;background:#16222d;border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:14px 17px;cursor:pointer}.vn66-toc-toggle small{display:block;color:var(--orange,#f1a34d);font-size:11px;letter-spacing:.08em}.vn66-toc-toggle strong{display:block;margin-top:5px;font-size:15px}.vn66-chevron{font-size:23px}#vn66-mobile-toc-list:not([hidden]){display:block;background:#131d27;border:1px solid rgba(255,255,255,.12);border-top:0;padding:12px;border-radius:0 0 10px 10px}.vn66-cta-slot{top:calc(var(--vn-header-height,78px) + 25px)}}
@media(max-width:767px){.vn66-reading-layout{display:block;padding:0 18px 68px}.vn66-reading-main .entry-content{font-size:16px}.vn66-mobile-toc{position:sticky;top:var(--vn-header-height,78px);z-index:35;margin:0 -18px 26px;background:#0c1014}.vn66-toc-toggle{border-radius:0;padding:10px 18px}.vn66-cta-slot{display:none}.vn66-cta.vn66-inline-cta{margin:30px 0;max-height:none}.vn66-reading-main .vn59-blog-body{padding:0}#vn66-mobile-toc-list{max-height:min(55vh,420px);overflow-y:auto}.vn66-reading-main h2[id],.vn66-reading-main h3[id]{scroll-margin-top:calc(var(--vn-header-height,78px) + 92px)}.vn66-reading-main .entry-content>.vn64-article-cta{display:none}}
@media(prefers-reduced-motion:reduce){.vn66-cta-button,.vn66-toc-list a{transition:none}}