.article-v2-page{background:#fff;color:#1e293b}.reading-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:9999;background:#0000}.reading-progress__bar{height:100%;background:linear-gradient(90deg,#2b3990,#7cb342);transition:width .1s linear;border-radius:0 2px 2px 0}.article-v2-hero{padding:100px 0 40px;background:#fafbfd;border-bottom:1px solid #eef0f4}.article-v2-hero .hc-breadcrumb-improved{padding:0 0 20px;font-size:13px;color:#94a3b8}.article-v2-hero .hc-breadcrumb-improved a{color:#94a3b8;text-decoration:none;transition:color .2s ease}.article-v2-hero .hc-breadcrumb-improved a:hover{color:#2b3990}.article-v2-hero__inner{max-width:780px;margin:0 auto}.article-v2-hero__meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}.article-v2-badge{display:inline-block;padding:5px 12px;border-radius:6px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:#2b3990;background:#2b399014;text-decoration:none;transition:background .2s ease}.article-v2-badge:hover{background:#2b399024}.article-v2-meta-item{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#94a3b8;font-weight:500}.article-v2-meta-item svg{opacity:.7}.article-v2-hero__title{font-size:clamp(32px,4.5vw,52px);font-weight:800;line-height:1.12;letter-spacing:-.03em;margin:0 0 16px;color:#0f172a}.article-v2-hero__subtitle{font-size:18px;color:#64748b;line-height:1.7;margin:0 0 24px;max-width:600px}.article-v2-hero__author{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;color:#475569}.article-v2-hero__author-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid #e2e8f0}.article-v2-hero__author-icon{width:36px;height:36px;border-radius:50%;background:#f1f5f9;display:flex;align-items:center;justify-content:center;color:#94a3b8}.article-v2-hero-image{margin-top:-20px;position:relative;z-index:2}.article-v2-hero-image__wrapper{position:relative;max-width:960px;margin:0 auto;aspect-ratio:16/9;border-radius:20px;overflow:hidden;box-shadow:0 8px 30px #00000014,0 2px 8px #0000000a}.article-v2-hero-image__img{object-fit:cover;transition:transform .6s cubic-bezier(.16,1,.3,1)}.article-v2-hero-image__wrapper:hover .article-v2-hero-image__img{transform:scale(1.02)}.article-v2-body{padding:60px 0 80px}.article-v2-body__grid{display:grid;grid-template-columns:200px 1fr;gap:48px;max-width:960px;margin:0 auto;align-items:start}.article-v2-sidebar{position:sticky;top:100px;display:flex;flex-direction:column;gap:24px}.toc{border-left:2px solid #e2e8f0;padding-left:16px}.toc__label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#94a3b8;margin:0 0 12px}.toc__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.toc__item{position:relative}.toc__item:before{content:"";position:absolute;left:-18px;top:0;bottom:0;width:2px;background:#0000;transition:background .3s ease}.toc__item--active:before{background:#2b3990}.toc__link{display:block;font-size:13px;color:#94a3b8;text-decoration:none;line-height:1.4;padding:4px 0;transition:color .2s ease}.toc__link:hover{color:#475569}.toc__item--active .toc__link{color:#2b3990;font-weight:600}.article-v2-sidebar__cta{padding:20px;border-radius:14px;background:#f8fafc;border:1px solid #e2e8f0}.article-v2-sidebar__cta-title{font-size:13px;color:#475569;line-height:1.5;margin:0 0 12px}.article-v2-sidebar__cta-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#2b3990;text-decoration:none;transition:gap .2s ease}.article-v2-sidebar__cta-link:hover{gap:10px}.article-v2-content{min-width:0}.article-v2-content .hc-article-body-improved{display:grid;gap:24px;color:#374151;font-size:17px;line-height:1.85;letter-spacing:-.01em}.article-v2-content .hc-article-body-improved h2{font-size:clamp(24px,2.5vw,30px);font-weight:800;color:#0f172a;line-height:1.25;letter-spacing:-.02em;margin:40px 0 0;padding-top:32px;border-top:1px solid #f1f5f9;scroll-margin-top:100px}.article-v2-content .hc-article-body-improved h2:first-child{margin-top:0;padding-top:0;border-top:none}.article-v2-content .hc-article-body-improved h3{font-size:clamp(18px,2vw,22px);font-weight:700;color:#1e293b;line-height:1.3;margin:24px 0 0}.article-v2-content .hc-article-body-improved p{margin:0;color:#475569}.article-v2-content .hc-article-body-improved ol,.article-v2-content .hc-article-body-improved ul{padding-left:24px;margin:0;display:grid;gap:10px}.article-v2-content .hc-article-body-improved li{color:#475569;padding-left:6px}.article-v2-content .hc-article-body-improved li::marker{color:#7cb342;font-weight:700}.article-v2-content .hc-article-body-improved strong{color:#0f172a;font-weight:600}.article-v2-content .hc-article-body-improved a{color:#2b3990;text-decoration:underline;text-underline-offset:3px;text-decoration-color:#2b39904d;transition:text-decoration-color .2s ease}.article-v2-content .hc-article-body-improved a:hover{text-decoration-color:#2b3990}.article-v2-content .hc-article-body-improved blockquote{margin:8px 0;padding:24px 28px;border-left:3px solid #7cb342;background:#f8faf5;border-radius:0 14px 14px 0;color:#1e293b;font-weight:500;font-size:18px;line-height:1.7;font-style:italic}.article-v2-content .hc-article-rich-image{margin:16px -40px}.article-v2-content .hc-article-rich-image img{width:100%;border-radius:14px;object-fit:cover;box-shadow:0 8px 30px #00000014}.article-v2-content .hc-article-rich-image figcaption{margin-top:10px;color:#94a3b8;font-size:13px;text-align:center}.article-v2-related{padding:64px 0 80px;background:#fafbfd;border-top:1px solid #eef0f4}.article-v2-related__title{font-size:24px;font-weight:800;color:#0f172a;margin:0 0 32px;letter-spacing:-.02em}.article-v2-related__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.article-v2-related__card{display:flex;flex-direction:column;border-radius:16px;overflow:hidden;background:#fff;border:1px solid #e2e8f0;text-decoration:none;color:inherit;transition:all .3s ease}.article-v2-related__card:hover{transform:translateY(-4px);box-shadow:0 12px 32px #00000014;border-color:#cbd5e1}.article-v2-related__card-image{position:relative;height:180px;overflow:hidden;background:#f1f5f9}.article-v2-related__card-image img{transition:transform .5s cubic-bezier(.16,1,.3,1)}.article-v2-related__card:hover .article-v2-related__card-image img{transform:scale(1.04)}.article-v2-related__card-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1 1}.article-v2-related__card-body h3{font-size:16px;font-weight:700;color:#0f172a;line-height:1.4}.article-v2-related__card-body h3,.article-v2-related__card-body p{margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-v2-related__card-body p{font-size:13px;color:#64748b;line-height:1.5}.article-v2-related__card-cta{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#2b3990;margin-top:auto;padding-top:8px;transition:gap .2s ease}.article-v2-related__card:hover .article-v2-related__card-cta{gap:10px}.back-to-top{position:fixed;bottom:32px;right:32px;width:44px;height:44px;border-radius:50%;background:#0f172ad9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;border:1px solid #ffffff1a;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:50;transition:all .25s ease;box-shadow:0 4px 16px #00000026}.back-to-top:hover{background:#0f172a;transform:translateY(-3px);box-shadow:0 8px 24px #0003}@media (max-width:1024px){.article-v2-body__grid{grid-template-columns:1fr;max-width:720px}.article-v2-sidebar{position:relative;top:0;flex-direction:row;gap:16px;padding-bottom:24px;border-bottom:1px solid #f1f5f9;overflow-x:auto}.toc{border-left:none;padding-left:0;min-width:max-content}.toc__list{flex-direction:row;gap:4px}.toc__item:before{display:none}.toc__link{padding:6px 12px;border-radius:8px;white-space:nowrap;font-size:12px}.toc__item--active .toc__link{background:#2b399014}.article-v2-sidebar__cta{display:none}.article-v2-content .hc-article-rich-image{margin:16px 0}}@media (max-width:768px){.article-v2-hero{padding:100px 0 32px}.article-v2-hero__title{font-size:clamp(26px,7vw,36px)}.article-v2-hero__subtitle{font-size:16px}.article-v2-hero-image__wrapper{border-radius:14px}.article-v2-body{padding:40px 0 60px}.article-v2-content .hc-article-body-improved{font-size:16px;gap:20px}.article-v2-content .hc-article-body-improved h2{font-size:22px;margin:32px 0 0;padding-top:24px}.article-v2-content .hc-article-body-improved h3{font-size:18px}.article-v2-content .hc-article-body-improved blockquote{padding:16px 20px;font-size:16px}.article-v2-related__grid{grid-template-columns:1fr;gap:16px}.article-v2-related__card{flex-direction:row}.article-v2-related__card-image{width:120px;height:auto;min-height:120px;flex-shrink:0}}@media (max-width:480px){.article-v2-hero{padding:90px 0 24px}.article-v2-hero__meta-row{gap:8px}.back-to-top{bottom:20px;right:20px;width:40px;height:40px}}