*,*::before,*::after{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:system-ui,-apple-system,segoe ui,Roboto,sans-serif;line-height:1.7;color:#1a2535;background:#cfe2f5;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto}a{color:#1e5fa0}a:hover{color:#164580}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;margin:1.75em 0 .6em;color:#1a2535}h1:first-child,h2:first-child,h3:first-child,h4:first-child,h5:first-child,h6:first-child{margin-top:0}h1{font-size:2rem}h2{font-size:1.45rem}h3{font-size:1.2rem}h4{font-size:1.05rem}p{margin:0 0 1.2em}ul,ol{padding-left:1.5em;margin:0 0 1.2em}li{margin-bottom:.3em}hr{border:none;border-top:1px solid #a8c5e0;margin:2em 0}blockquote{margin:1.5em 0;padding:.5em 0 .5em 1.25em;border-left:3px solid #1e5fa0;color:#5a7290;font-style:italic}code{font-family:sfmono-regular,menlo,cascadia code,monospace;font-size:.875em;background:#e8f2fb;border:1px solid #a8c5e0;border-radius:3px;padding:.15em .4em}pre{background:#e8f2fb;border:1px solid #a8c5e0;border-radius:6px;padding:1.1rem 1.25rem;overflow-x:auto;margin:1.5em 0;font-size:.875rem;line-height:1.5}pre code{background:0 0;border:none;padding:0;font-size:inherit}.highlight{background:#e8f2fb;border:1px solid #a8c5e0;border-radius:6px;margin:1.5em 0;overflow-x:auto}.highlight pre{background:0 0;border:none;border-radius:0;margin:0}table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.9em}th,td{padding:.55em .75em;border:1px solid #a8c5e0;text-align:left}th{background:#bdd4ec;font-weight:600}tr:nth-child(even) td{background:#bdd4ec}.aws_tables tbody tr td:first-child{width:25%;min-width:25%;max-width:25%;word-break:break-all}.img_table{border:none}.img_table tr td{border:none;vertical-align:bottom}.container{max-width:740px;margin:0 auto;padding:2.5rem 2.5rem 3rem;background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(60,80,120,8%),0 4px 16px rgba(60,80,120,6%)}.site-header{background:#1a3558;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.25)}.site-header-inner{max-width:1120px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;height:56px;gap:.25rem}.site-brand{font-size:.95rem;font-weight:700;color:#c8dff4;text-decoration:none;white-space:nowrap;flex-shrink:0;margin-right:.75rem}.site-brand:hover{color:#fff;text-decoration:none}.nav-group{display:flex;align-items:center;list-style:none;margin:0;padding:0}.nav-spacer{flex:1}.nav-group>li{position:relative}.nav-group>li>a{display:flex;align-items:center;padding:0 .6rem;height:56px;font-size:.875rem;font-weight:500;color:#7ba8cc;text-decoration:none;white-space:nowrap}.nav-group>li>a:hover{color:#fff;text-decoration:none}.nav-group .nav-divider{width:1px;height:20px;background:#a8c5e0;margin:0 .25rem}.nav-dropdown{display:none;position:absolute;top:calc(100% + 1px);left:0;min-width:155px;background:#1a3558;border:1px solid rgba(255,255,255,.1);border-top:none;border-radius:0 0 6px 6px;box-shadow:0 6px 16px rgba(0,0,0,.3);padding:.3rem 0;z-index:200}.nav-dropdown a{display:block;padding:.4rem 1rem;font-size:.85rem;color:#7ba8cc;text-decoration:none}.nav-dropdown a:hover{background:rgba(255,255,255,8%);color:#fff;text-decoration:none}.has-dropdown:hover .nav-dropdown{display:block}.site-main{padding:2.5rem 1rem 4rem}.page-title-bar{border-bottom:2px solid #bdd4ec;margin-bottom:2.5rem;padding-bottom:1.25rem}.page-title-bar h1{margin:0;font-size:1.75rem}.post-header{margin-bottom:1.75rem}.post-title{font-size:1.9rem;margin:0 0 .7rem;line-height:1.25}.post-meta{font-size:.875rem;color:#5a7290;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}.post-tags{display:flex;flex-wrap:wrap;gap:.3rem}.tag-link{display:inline-block;padding:.1rem .5rem;background:#bdd4ec;border:1px solid #a8c5e0;border-radius:3px;font-size:.8rem;color:#5a7290;text-decoration:none}.tag-link:hover{background:#1e5fa0;border-color:#1e5fa0;color:#fff;text-decoration:none}.author-avatar{float:right;width:44px;height:44px;border-radius:50%;margin:0 0 1rem 1.5rem}.warning-box{background:#fefce8;border:1px solid #fbbf24;border-left:4px solid #fbbf24;border-radius:4px;padding:.875rem 1rem;margin:1.5rem 0;font-size:.9rem;line-height:1.55;color:#7c4a00}.post-nav{display:flex;justify-content:space-between;gap:2rem;margin:2.5rem 0;padding-top:1.25rem;border-top:1px solid #a8c5e0;font-size:.875rem}.post-nav-prev,.post-nav-next{max-width:46%}.post-nav-next{text-align:right;margin-left:auto}.post-nav a{color:#5a7290;text-decoration:none}.post-nav a:hover{color:#1e5fa0}.post-nav-label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:#1a9ab0;margin-bottom:.2rem;font-weight:600}time{color:#1a9ab0;font-weight:500}.post-list{list-style:none;padding:0;margin:0}.post-list-item{padding:2rem 0;border-bottom:1px solid #a8c5e0}.post-list-item:first-child{padding-top:0}.post-list-item:last-child{border-bottom:none}.post-list-title{font-size:1.25rem;font-weight:700;margin:0 0 .4rem;line-height:1.3}.post-list-title a{color:#1a2535;text-decoration:none}.post-list-title a:hover{color:#1e5fa0}.post-list-meta{font-size:.8rem;color:#5a7290;margin-bottom:.65rem;display:flex;flex-wrap:wrap;align-items:center;gap:.35rem}.post-excerpt{color:#3d3d3d;font-size:.95rem;line-height:1.65;margin:0 0 .65rem}.read-more{font-size:.875rem;font-weight:500;text-decoration:none}.pagination{display:flex;justify-content:space-between;align-items:center;padding:2rem 0;border-top:1px solid #a8c5e0;flex-wrap:wrap;gap:.75rem}.pagination-links{display:flex;gap:.5rem;flex-wrap:wrap}.btn{display:inline-block;padding:.4rem .9rem;border:1px solid #a8c5e0;border-radius:5px;font-size:.875rem;font-weight:500;color:#5a7290;background:#cfe2f5;text-decoration:none;cursor:pointer;transition:background .12s,color .12s,border-color .12s}.btn:hover{background:#1e5fa0;border-color:#1e5fa0;color:#fff;text-decoration:none}.btn.disabled{opacity:.35;cursor:default;pointer-events:none}.tag-cloud{display:flex;flex-wrap:wrap;gap:.5rem;padding:.5rem 0}.tag-cloud-item{display:inline-block;padding:.25rem .7rem;background:#bdd4ec;border:1px solid #a8c5e0;border-radius:4px;font-size:.875rem;color:#5a7290;text-decoration:none}.tag-cloud-item:hover{background:#1e5fa0;border-color:#1e5fa0;color:#fff;text-decoration:none}.year-group{margin-bottom:2.5rem}.year-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#1a9ab0;border-bottom:2px solid #bdd4ec;padding-bottom:.4rem;margin:0 0 .75rem}.year-group ul{list-style:none;padding:0;margin:0}.year-group li{padding:.3rem 0;font-size:.95rem;border-bottom:1px solid #bdd4ec}.year-group li a{color:#1a2535;text-decoration:none}.year-group li a:hover{color:#1e5fa0}.site-footer{border-top:1px solid #bdd4ec;background:#cfe2f5;padding:2rem 0;font-size:.85rem;color:#5a7290}.site-footer-inner{max-width:1120px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-links{display:flex;gap:1.25rem;list-style:none;padding:0;margin:0;flex-wrap:wrap}.footer-links a{color:#5a7290;text-decoration:none}.footer-links a:hover{color:#1e5fa0}.home-intro{margin-bottom:2.5rem;padding:1.75rem 1.5rem;background:#1a3558;border-radius:6px;color:#c8dff4}.home-intro h1{font-size:1.6rem;margin:0 0 .3rem;color:#fff}.home-intro p{color:#7ba8cc;margin:0;font-size:.95rem}.about-hero{display:grid;grid-template-columns:160px 1fr;gap:2.5rem;align-items:start;margin-bottom:2.5rem;padding-bottom:2.5rem;border-bottom:2px solid #bdd4ec}.about-hero img{width:160px;height:160px;border-radius:50%;object-fit:cover;border:4px solid #bdd4ec;box-shadow:0 2px 12px rgba(30,60,120,.15)}.about-hero-text h1{margin:0 0 .3rem;font-size:1.9rem}.about-hero-text .about-subtitle{color:#1a9ab0;font-weight:600;font-size:1rem;margin:0 0 1rem}.about-hero-text p{color:#5a7290;font-size:.95rem;margin:0}.about-section{margin-bottom:2.5rem;padding-bottom:2.5rem;border-bottom:2px solid #bdd4ec}.about-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.about-section h2{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#1a9ab0;margin:0 0 1.25rem}.about-pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.about-pillar{background:#cfe2f5;border:1px solid #a8c5e0;border-radius:6px;padding:1.1rem 1.25rem;border-left:3px solid #1e5fa0}.about-pillar h3{margin:0 0 .3rem;font-size:.95rem;color:#1e5fa0}.about-pillar p{margin:0;font-size:.875rem;color:#5a7290;line-height:1.5}.cert-grid{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}.cert-grid img{height:64px;width:auto;filter:grayscale(20%);transition:filter .2s,transform .2s;border-radius:4px}.cert-grid img:hover{filter:grayscale(0%);transform:scale(1.08)}@media(max-width:680px){.site-header-inner{height:auto;flex-wrap:wrap;padding:.75rem 1.5rem;gap:0}.site-brand{padding:.5rem 0;margin-right:0;flex:1}.nav-group{flex-wrap:wrap}.nav-spacer{display:none}.nav-group>li>a{padding:.4rem .5rem;height:auto}h1{font-size:1.6rem}.post-title{font-size:1.5rem}.post-nav{flex-direction:column}.post-nav-prev,.post-nav-next{max-width:100%}.post-nav-next{text-align:left;margin-left:0}.about-hero{grid-template-columns:1fr;text-align:center}.about-hero img{margin:0 auto}.about-pillars{grid-template-columns:1fr}}