:root{--blog-ink:#14213d;--blog-blue:#0f4c81;--blog-gold:#f2b134;--blog-soft:#f4f7fb;--blog-line:#dce5ef}
.blog-hero{padding:72px 0 58px;background:linear-gradient(135deg,#071a31 0%,#123b63 65%,#17679a 100%);color:#fff}
.blog-hero .eyebrow,.article-hero .eyebrow{color:#78c8ff;font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem}
.blog-hero h1,.article-hero h1{max-width:850px;margin:12px 0 16px;font-size:clamp(2.35rem,5vw,4.4rem);line-height:1.04}
.blog-hero p{max-width:720px;color:#d8e8f5;font-size:1.16rem;line-height:1.75}
.blog-main{padding:64px 0 90px;background:var(--blog-soft)}
.blog-tools{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:4px 0 30px}
.blog-search{position:relative;display:flex;align-items:center;width:min(100%,620px)}
.blog-search input{width:100%;height:54px;padding:0 52px 0 50px;border:1px solid #cbd8e5;border-radius:14px;background:#fff;color:var(--blog-ink);font:inherit;font-size:1rem;box-shadow:0 7px 24px rgba(11,37,67,.06);outline:none;transition:.2s ease}
.blog-search input:focus{border-color:#2475b6;box-shadow:0 0 0 4px rgba(36,117,182,.12),0 7px 24px rgba(11,37,67,.07)}
.blog-search input::placeholder{color:#718096}
.search-icon{position:absolute;left:18px;color:var(--blog-blue);font-size:1.65rem;line-height:1;transform:rotate(-20deg);pointer-events:none}
.search-clear{position:absolute;right:12px;width:34px;height:34px;border:0;border-radius:50%;background:#e9f0f6;color:#36546f;font-size:1.35rem;line-height:1;cursor:pointer}
.search-clear:hover{background:#dce8f2}
.blog-results{margin:0;white-space:nowrap;color:#607188}.blog-results strong{color:var(--blog-ink)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card[hidden]{display:none}
.post-card{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--blog-line);border-radius:18px;background:#fff;box-shadow:0 10px 30px rgba(11,37,67,.07);color:var(--blog-ink);text-decoration:none;transition:.2s ease}
.post-card:hover{transform:translateY(-4px);box-shadow:0 16px 38px rgba(11,37,67,.13)}
.post-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#dce6ef}
.post-card-copy{padding:24px;display:flex;flex:1;flex-direction:column}
.post-card .tag{color:var(--blog-blue);font-weight:800;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}
.post-card h2{font-size:1.45rem;line-height:1.24;margin:10px 0}
.post-card p{color:#536378;line-height:1.65;margin:0 0 20px}
.post-card strong{margin-top:auto;color:var(--blog-blue)}
.blog-pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin:38px 0 0;max-width:100%;overflow:hidden}
.page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 14px;border:1px solid #cbd8e5;border-radius:11px;background:#fff;color:#284966;font:inherit;font-weight:750;cursor:pointer;transition:.18s ease}
.page-btn:hover:not(:disabled){border-color:#2475b6;color:#0f4c81;transform:translateY(-1px)}
.page-btn.active{border-color:#0f4c81;background:#0f4c81;color:#fff;box-shadow:0 6px 16px rgba(15,76,129,.2)}
.page-btn:disabled{opacity:.42;cursor:not-allowed}
.page-btn.page-arrow{gap:7px;padding:0 17px}
.page-ellipsis{display:inline-flex;align-items:center;justify-content:center;width:24px;height:44px;color:#718096;font-weight:800;flex:0 0 auto}
.blog-empty{text-align:center;padding:54px 20px 36px;color:#627489}.blog-empty span{display:block;color:#0f4c81;font-size:3rem;transform:rotate(-20deg)}.blog-empty h3{margin:12px 0 8px;color:var(--blog-ink);font-size:1.55rem}.blog-empty p{margin:0 0 20px}.blog-empty button{border:0;border-radius:10px;background:#0f4c81;color:#fff;padding:12px 20px;font:inherit;font-weight:750;cursor:pointer}
.blog-course-card{margin-top:38px;padding:30px;border-radius:18px;background:#0d2948;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}
.blog-course-card p{color:#cfe0ee;margin:8px 0 0}.blog-course-card .btn{white-space:nowrap}
.blog-course-actions{display:flex;gap:12px;flex-wrap:wrap}
.article-hero{padding:58px 0 46px;background:linear-gradient(135deg,#071a31,#174d78);color:#fff}
.breadcrumbs{display:flex;gap:9px;flex-wrap:wrap;color:#bcd0e2;font-size:.9rem;margin-bottom:28px}.breadcrumbs a{color:#dcedf9}
.article-hero h1{font-size:clamp(2.3rem,5vw,4rem)}
.article-deck{max-width:820px;color:#dceaf5;font-size:1.18rem;line-height:1.7}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px;color:#bed3e4;font-size:.9rem}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:55px;align-items:start;padding:58px 0 90px}
.article-body{font-size:1.08rem;line-height:1.82;color:#33445a}
.article-body h2{color:var(--blog-ink);font-size:1.9rem;line-height:1.25;margin:46px 0 14px}.article-body h3{color:var(--blog-ink);font-size:1.35rem;margin:30px 0 10px}
.article-body p,.article-body ul,.article-body ol{margin:0 0 20px}.article-body li{margin:7px 0}
.article-body img{width:100%;border-radius:18px;margin:4px 0 30px;box-shadow:0 14px 34px rgba(10,38,67,.12)}
.article-callout{padding:24px 26px;margin:30px 0;border-left:5px solid var(--blog-gold);border-radius:12px;background:#fff8e8;color:#354256}
.example-box{padding:24px 26px;margin:28px 0;border:1px solid #c9dced;border-radius:14px;background:#f1f8fd}
.article-table-wrap{overflow-x:auto;margin:24px 0 32px}.article-table{width:100%;border-collapse:collapse;background:#fff}.article-table th,.article-table td{padding:14px 16px;border:1px solid var(--blog-line);text-align:left}.article-table th{background:#102f50;color:#fff}
.article-sidebar{position:sticky;top:92px}.toc,.course-cta{padding:24px;border:1px solid var(--blog-line);border-radius:16px;background:#fff;box-shadow:0 9px 28px rgba(13,42,74,.07)}
.toc strong{display:block;color:var(--blog-ink);margin-bottom:12px}.toc a{display:block;padding:8px 0;color:#42607d;text-decoration:none;border-bottom:1px solid #eef2f6}.toc a:last-child{border:0}
.course-cta{margin-top:20px;background:#0d2948;color:#fff}.course-cta p{color:#d1e1ed;line-height:1.55}.course-cta .btn{width:100%;text-align:center;margin-top:8px}
.faq-item{border-bottom:1px solid var(--blog-line);padding:18px 0}.faq-item h3{margin:0 0 8px;font-size:1.18rem}.faq-item p{margin:0}
.article-disclaimer{font-size:.9rem;color:#718096;padding-top:26px;border-top:1px solid var(--blog-line)}
@media(max-width:900px){.blog-grid{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr}.article-sidebar{position:static}.blog-course-card{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.blog-hero,.article-hero{padding:48px 0 38px}.blog-main{padding:42px 0 64px}.blog-tools{align-items:stretch;flex-direction:column;gap:12px;margin-bottom:24px}.blog-search{width:100%}.blog-results{padding-left:2px}.blog-grid{grid-template-columns:1fr}.blog-pagination{gap:4px}.page-btn{min-width:38px;height:40px;padding:0 9px;border-radius:9px}.page-btn.page-arrow{font-size:0;padding:0 9px}.page-btn.page-arrow span{font-size:1.1rem}.page-ellipsis{width:18px;height:40px}.article-layout{padding:38px 0 65px}.article-body{font-size:1rem}.article-body h2{font-size:1.55rem}.blog-course-card{padding:24px}}