@font-face{font-family:Estedad;src:url('/webfonts/Estedad-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Estedad;src:url('/webfonts/Estedad-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:Estedad;src:url('/webfonts/Estedad-SemiBold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:Estedad;src:url('/webfonts/Estedad-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:Estedad;src:url('/webfonts/Estedad-ExtraBold.woff2') format('woff2');font-weight:800;font-style:normal;font-display:swap}
:root{--bg:#0a0f15;--surface:#111821;--surface2:#18212c;--ink:#e8edf2;--text:#c5ced8;--muted:#8f9cab;--line:#25313e;--brand:#FFB347;--brand2:#e58f2f;--cyan:#FFCC80;--dark:#0a0f15;--shadow:0 18px 55px rgba(0,0,0,.28);--shadow2:0 10px 28px rgba(0,0,0,.22)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 15% 0%,rgba(255,179,71,.045),transparent 28%),var(--bg);color:var(--ink);font-family:Estedad,Tahoma,sans-serif;line-height:2;font-size:15px}.container{width:min(1180px,calc(100% - 36px));margin:auto}.reading-progress{position:fixed;z-index:999;top:0;right:0;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--brand2),var(--cyan));box-shadow:0 0 14px rgba(255,179,71,.28)}
.article-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0a0f15 0%,#0e141c 58%,#111821 100%);color:#e8edf2;border-bottom:1px solid #25313e}.article-hero:before{content:"";position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(255,179,71,.12),transparent 68%);left:-120px;top:-240px}.article-hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.65),transparent)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 330px;gap:64px;padding:62px 0 58px}.breadcrumbs{display:flex;gap:9px;color:#7f8b98;font-size:11px;margin-bottom:18px}.breadcrumbs a{color:#9aa7b5;text-decoration:none}.category-pill{display:inline-flex;align-items:center;gap:7px;background:rgba(255,179,71,.10);color:#FFCC80;border:1px solid rgba(255,179,71,.22);padding:5px 11px;border-radius:99px;font-size:10px;font-weight:700;margin-bottom:14px}.dot{width:6px;height:6px;border-radius:50%;background:#FFB347;box-shadow:0 0 12px rgba(255,179,71,.7)}h1{font-size:clamp(29px,4.1vw,46px);line-height:1.48;margin:0 0 16px;letter-spacing:-.8px;max-width:860px}.lead{font-size:16px!important;line-height:2.15;color:#c1c9d8!important;max-width:820px;margin:0 0 18px!important}.meta-row{display:flex;flex-wrap:wrap;gap:9px;color:#8994a9;font-size:10px}.hero-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}.hero-tags span{font-family:Estedad,ui-monospace,monospace;font-size:9px;color:#e6c58f;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:7px;padding:4px 8px;direction:ltr}.hero-card{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:21px;box-shadow:0 18px 55px rgba(0,0,0,.15);align-self:center;backdrop-filter:blur(12px)}.mini-label{font-size:10px;color:#FFCC80;font-weight:800;margin-bottom:11px}.path{display:grid;gap:6px}.path div{display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.07);padding:7px 0;font-size:11px}.path div:last-child{border:0}.path b{font-family:Estedad,ui-monospace,monospace;color:#718091;font-size:9px}.path span{color:#d6dde5}.hero-note{border-top:1px solid rgba(255,255,255,.08);margin-top:12px;padding-top:12px;color:#8f9cab;font-size:10px;line-height:1.9}
.article-layout{display:grid;grid-template-columns:245px minmax(0,780px);direction:ltr;gap:52px;padding:46px 0 78px}.toc{direction:rtl}.toc-card{position:sticky;top:92px;background:#111821;border:1px solid var(--line);border-radius:17px;padding:16px;box-shadow:var(--shadow2);max-height:calc(100vh - 115px);overflow:auto;scrollbar-width:thin;scrollbar-color:var(--brand) #18212c}.toc-card::-webkit-scrollbar{width:8px}.toc-card::-webkit-scrollbar-track{background:#18212c;border-radius:8px}.toc-card::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--brand),var(--brand2));border-radius:8px;border:2px solid #18212c}.toc-card::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,var(--cyan),var(--brand))}.toc-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:7px}.toc-title{font-weight:800;font-size:13px}.toc-top span{font-size:9px;color:#9aa3b2}.toc a{display:block;text-decoration:none;color:#9ba8b5;font-size:10.5px;padding:6px 8px;border-radius:8px;transition:.18s}.toc a:hover,.toc a.active{color:var(--brand);background:#18212c;font-weight:700}.article{direction:rtl;background:#111821;border:1px solid var(--line);border-radius:22px;padding:42px 48px;box-shadow:var(--shadow)}.article-intro{background:linear-gradient(135deg,#111821,#18212c);border:1px solid #293746;border-radius:16px;padding:19px 20px;margin-bottom:31px;position:relative;overflow:hidden}.article-intro:before{content:"";position:absolute;right:0;top:0;bottom:0;width:3px;background:linear-gradient(var(--brand),var(--brand2))}.intro-kicker{display:inline-block;font-family:Estedad,ui-monospace,monospace;font-size:9px;letter-spacing:.4px;color:var(--brand);font-weight:800;direction:ltr}.article-intro p{margin:7px 0 0!important;color:#b7c1cc!important;font-size:12px!important}.article h2{font-size:24px;line-height:1.65;margin:48px 0 14px;padding-top:4px;letter-spacing:-.3px;scroll-margin-top:95px;position:relative}.article h2:after{content:"";display:block;width:35px;height:3px;border-radius:9px;background:linear-gradient(90deg,var(--brand),var(--brand2));margin-top:7px}.article h2.first{margin-top:18px}.article h3{font-size:18px;line-height:1.7;margin:34px 0 10px;scroll-margin-top:95px}.article p{color:var(--text);margin:0 0 17px;font-size:14px}.article strong{color:#e8edf2}.article-list{margin:7px 0 22px;padding:0 21px 0 0;color:var(--text)}.article-list li{padding:3px 0;font-size:13px}.article-list li::marker{color:var(--brand)}blockquote{margin:20px 0;padding:15px 18px;border:1px solid #2a3847;border-right:4px solid var(--brand);background:#18212c;border-radius:13px;color:#c1cbd5;font-size:13px}.callout{padding:15px 17px;border-radius:14px;margin:0 0 28px;border:1px solid #2a3847;background:#18212c;color:#c1cbd5;font-size:13px}.callout.accent{border-right:4px solid var(--brand)}.formula{background:#0e141c;color:#d5dde6;border:1px solid #293746;border-radius:13px;padding:14px 17px;margin:20px 0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;direction:ltr;text-align:center;font-size:12px;overflow:auto}.article code{background:#18212c;padding:1px 5px;border-radius:5px;font-size:.9em;direction:ltr}.closing{display:flex;gap:15px;margin-top:48px;background:linear-gradient(135deg,#111821,#18212c);border:1px solid #2a3847;border-radius:18px;padding:21px}.closing-icon{flex:0 0 48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#e8edf2;display:grid;place-items:center;font-weight:800;font-size:12px}.closing h3{margin:0 0 6px;font-size:17px}.closing p{margin:0;font-size:12px!important;color:#aeb9c5!important}.site-footer{border-top:1px solid var(--line);background:#0e141c}.footer-inner{display:flex;justify-content:space-between;align-items:center;padding:26px 0}.footer-inner strong{display:block;font-size:13px}.footer-inner span{color:#7f8b98;font-size:10px}.footer-links{display:flex;gap:20px}.footer-links a{color:#9ba8b5;text-decoration:none;font-size:11px}.footer-links a:hover{color:var(--brand)}
/* استایل لینک‌های کلیدواژه (بک‌تست و پشتیبانی) */
.article a.keyword-link{color:var(--brand);text-decoration:none;border-bottom:1px dashed rgba(255,179,71,.5);transition:color .2s,border-color .2s;cursor:pointer}
.article a.keyword-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-card{display:none}.article-layout{grid-template-columns:1fr}.toc{display:none}.article{padding:31px 25px}.article h2{font-size:22px}}@media(max-width:600px){.container{width:min(100% - 24px,1180px)}.hero-grid{padding:39px 0}.article{border-radius:15px;padding:25px 19px}.article h2{font-size:20px}.article p{font-size:13px}.article-list li{font-size:12px}.footer-inner{align-items:flex-start;gap:20px;flex-direction:column}.meta-row{font-size:9px}.closing{padding:17px}}
.article a.keyword-link{color:#d3a866;text-decoration:none;font:inherit;cursor:pointer;transition:color .2s ease}
.article a.keyword-link:hover{color:var(--brand)}