.bl{--sans:ui-sans-serif, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;--ink:#0e1c2b;--ink2:#3d5468;--mut:#6d7f8f;--bg:#f7f9fc;--surface:#ffffff;--line:#e5e5e5;--line-soft:#ededed;--blue:#1475b9;--blue-d:#0f5f96;--blue-l:#2f93d4;--blue-tint:#eaf4fb;--gold:#e9b44c;--r:16px;--gutter:clamp(20px, 5vw, 52px);--rhythm:clamp(28px, 3.4vw, 48px);--gap:clamp(20px, 2.4vw, 28px);margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.5;letter-spacing:-.01em}.bl *{box-sizing:border-box}body{background:#f7f9fc}.bl-wrap{max-width:1240px;margin:0 auto;padding:0 var(--gutter)}.bl-sec{padding:var(--rhythm)0}.bl-sec-tight{padding-top:0}.bl-head{padding:0}.bl-title{margin:0;font-size:clamp(30px,4.2vw,46px);line-height:1.05;letter-spacing:-.03em;font-weight:800;color:var(--ink);text-wrap:balance}.bl-sub{margin:12px 0 0;color:var(--ink2);font-size:clamp(15.5px,1.5vw,17px);line-height:1.6;max-width:58ch}.bl-cats{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.bl-chip{display:inline-flex;align-items:center;font-size:13.5px;font-weight:600;color:var(--ink2);background:var(--surface);border:1px solid var(--line);padding:9px 15px;border-radius:999px;text-decoration:none;transition:border-color .18s,color .18s,background .18s}.bl-chip:hover{border-color:var(--blue-l);color:var(--blue)}.bl-chip.on{background:var(--blue-tint);border-color:#bcdcf0;color:var(--blue)}.bl-chip:focus-visible,.bl-card:focus-visible,.bl-hero:focus-visible,.bl-cat:focus-visible,.bl-pager a:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.bl-card,.bl-hero{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 1px 2px #0b12200a;transition:box-shadow .3s ease,border-color .3s ease,transform .3s ease}.bl-card:hover,.bl-hero:hover{border-color:#d4d4d4;box-shadow:0 10px 28px #0b122017;transform:translateY(-2px)}.bl-photo{position:relative;margin:0;overflow:hidden;background:#eef2f6}.bl-photo img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .7s}.bl-card:hover .bl-photo img,.bl-hero:hover .bl-photo img{transform:scale(1.04)}.bl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;font-size:12.5px;color:var(--mut)}.bl-cat{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--blue-tint);color:var(--blue-d);font-size:12px;font-weight:700;letter-spacing:0;text-decoration:none;white-space:nowrap;transition:background .18s}a.bl-cat:hover{background:#d9ecf8}.bl-hero{margin-top:var(--gap)}.bl-hero .bl-photo{aspect-ratio:16/10}.bl-hero-body{display:flex;flex-direction:column;justify-content:center;gap:14px;padding:clamp(18px,3vw,36px);min-width:0}.bl-hero-title{margin:0;font-size:clamp(22px,2.6vw,32px);line-height:1.15;letter-spacing:-.025em;font-weight:800;color:var(--ink);transition:color .2s}.bl-hero:hover .bl-hero-title{color:var(--blue)}.bl-hero-desc{margin:0;color:var(--ink2);font-size:16px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}@media (min-width:820px){.bl-hero{display:grid;grid-template-columns:7fr 5fr}.bl-hero .bl-photo{aspect-ratio:auto;min-height:100%}}.bl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:var(--gap)}@media (max-width:999px){.bl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:620px){.bl-grid{grid-template-columns:1fr;gap:14px}}.bl-card .bl-photo{aspect-ratio:16/10}.bl-card-body{display:flex;flex-direction:column;gap:10px;padding:16px 18px 20px;min-width:0;flex:1}.bl-card-title{margin:0;font-size:17.5px;line-height:1.3;letter-spacing:-.02em;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}.bl-card:hover .bl-card-title{color:var(--blue)}.bl-card-desc{margin:0;color:var(--ink2);font-size:14.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.bl-empty{padding:64px 0;text-align:center;color:var(--mut)}.bl-pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:var(--rhythm)}.bl-pager a,.bl-pager span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:600;text-decoration:none;color:var(--ink2);background:var(--surface);border:1px solid var(--line);transition:border-color .18s,color .18s}.bl-pager a:hover{border-color:var(--blue-l);color:var(--blue)}.bl-pager a.on{background:var(--blue);border-color:var(--blue);color:#fff}.bl-pager span.gap{border:0;background:0 0;min-width:24px;padding:0;color:var(--mut)}.bl-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding-top:var(--rhythm);font-size:13.5px;font-weight:600;color:var(--mut)}.bl-crumbs a{color:var(--ink2);text-decoration:none}.bl-crumbs a:hover{color:var(--blue)}.bl-crumbs svg{width:14px;height:14px;color:#b6c2cd}.bl-article{margin-top:16px;margin-bottom:var(--rhythm)}.bl-sheet{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:clamp(20px,4vw,48px);min-width:0}@media (min-width:1024px){.bl-article.has-rail{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}}.bl-article:not(.has-rail) .bl-sheet{max-width:860px;margin:0 auto}.bl-rail{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 120px);overflow-y:auto;padding:6px 6px 12px;margin:-6px -6px -12px;scrollbar-width:thin}.bl-art-head{max-width:760px}.bl-art-title{margin:14px 0 0;font-size:clamp(28px,3.6vw,42px);line-height:1.1;letter-spacing:-.03em;font-weight:800;color:var(--ink);text-wrap:balance}.bl-lead{margin:16px 0 0;color:var(--ink2);font-size:clamp(16.5px,1.5vw,19px);line-height:1.55}.bl-byline{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:13.5px;color:var(--mut)}.bl-byline b{display:block;font-size:14px;font-weight:700;color:var(--ink)}.bl-byline .dot{margin:0 6px}.bl-avatar{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-size:13.5px;font-weight:700;flex-shrink:0}.bl-cover{margin:28px 0 0;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#eef2f6;border:1px solid var(--line-soft)}.bl-cover img{display:block;width:100%;height:100%;object-fit:cover}.bl-prose{max-width:760px;margin-top:32px;font-size:17px;line-height:1.75;color:#26364a;letter-spacing:0}.bl-prose>:first-child{margin-top:0}.bl-prose p{margin:0 0 1.35em}.bl-prose h2{margin:2em 0 .7em;font-size:clamp(22px,2.2vw,27px);line-height:1.2;letter-spacing:-.025em;font-weight:800;color:var(--ink)}.bl-prose h3,.bl-prose h4{margin:1.6em 0 .6em;font-size:19.5px;line-height:1.3;letter-spacing:-.02em;font-weight:700;color:var(--ink)}.bl-prose a{color:var(--blue);text-decoration:underline;text-decoration-color:#1475b959;text-underline-offset:3px;transition:text-decoration-color .2s}.bl-prose a:hover{text-decoration-color:var(--blue)}.bl-prose strong{font-weight:700;color:var(--ink)}.bl-prose ul,.bl-prose ol{margin:0 0 1.35em;padding-left:1.5em}.bl-prose ul{list-style:disc}.bl-prose ol{list-style:decimal}.bl-prose ul ul{list-style:circle}.bl-prose li>ul,.bl-prose li>ol{margin:.4em 0 .2em}.bl-prose li{margin:.35em 0;padding-left:.2em}.bl-prose li::marker{color:var(--blue);font-weight:700}.bl-prose blockquote{margin:1.6em 0;padding:4px 0 4px 20px;border-left:3px solid var(--blue);color:var(--ink2);font-size:1.05em}.bl-prose blockquote p:last-child{margin-bottom:0}.bl-prose hr{margin:2.4em 0;border:0;border-top:1px solid var(--line-soft)}.bl-prose code{padding:.15em .4em;border-radius:6px;background:#f1f4f8;font-size:.9em;color:var(--ink)}.bl-prose pre{margin:0 0 1.35em;padding:16px 18px;border-radius:12px;background:#0e1c2b;color:#eef4f8;overflow-x:auto;font-size:14px;line-height:1.6}.bl-prose pre code{padding:0;background:0 0;color:inherit}.bl-table{margin:0 0 1.6em;overflow-x:auto;border:1px solid var(--line-soft);border-radius:12px}.bl-table table{width:100%;min-width:32rem;border-collapse:collapse;font-size:15px;line-height:1.45}.bl-table th{padding:11px 14px;text-align:left;font-size:13px;font-weight:700;color:var(--ink2);background:#f7f9fc;border-bottom:1px solid var(--line-soft)}.bl-table td{padding:11px 14px;border-bottom:1px solid var(--line-soft);vertical-align:top}.bl-table tr:last-child td{border-bottom:0}.bl-figure{margin:1.8em 0}.bl-figure img{display:block;width:100%;border-radius:12px;border:1px solid var(--line-soft)}.bl-figure figcaption{margin-top:8px;text-align:center;font-size:13.5px;color:var(--mut)}.bl-sec .bl-h2+.bl-grid{margin-top:var(--gap)}.bl-h2{margin:0;font-size:clamp(21px,2.2vw,26px);line-height:1.15;letter-spacing:-.025em;font-weight:800;color:var(--ink)}.bl-faq{max-width:760px;margin-top:44px}.bl-faq-list{margin-top:18px;border:1px solid var(--line-soft);border-radius:14px;overflow:hidden}.bl-faq details+details{border-top:1px solid var(--line-soft)}.bl-faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;cursor:pointer;list-style:none;font-size:15.5px;font-weight:700;color:var(--ink);transition:background .15s}.bl-faq summary::-webkit-details-marker{display:none}.bl-faq summary:hover{background:#fafbfd}.bl-faq summary svg{width:18px;height:18px;flex-shrink:0;color:var(--blue);transition:transform .2s}.bl-faq details[open] summary svg{transform:rotate(180deg)}.bl-faq details p{margin:0;padding:0 18px 18px;font-size:15.5px;line-height:1.65;color:#26364a}.bl-author{display:flex;gap:16px;align-items:flex-start;max-width:760px;margin-top:40px;padding:20px;border-radius:14px;background:var(--bg)}.bl-author .bl-avatar{width:48px;height:48px;font-size:15px}.bl-author-name{margin:0;font-size:15.5px;font-weight:700;color:var(--ink)}.bl-author-role{margin:1px 0 0;font-size:13px;color:var(--mut)}.bl-author-bio{margin:8px 0 0;font-size:14.5px;line-height:1.6;color:var(--ink2)}.bl-lw{margin:0}.bl-lw.inline{margin:36px 0}.bl-lw-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}.bl-lw-title{margin:0;font-size:17px;line-height:1.25;font-weight:800;letter-spacing:-.02em;color:var(--ink);text-wrap:balance}.bl-lw-all{font-size:13.5px;font-weight:700;color:var(--blue);text-decoration:none;white-space:nowrap}.bl-lw-all:hover{color:var(--blue-d)}.bl-lw-grid{--cols:4;--gap:14px;display:flex;flex-wrap:wrap;justify-content:center;gap:var(--gap)}.bl-lw-grid>*{flex:0 0 calc((100% - (var(--cols) - 1)*var(--gap))/var(--cols));min-width:0}.bl-lw-grid.stack{--cols:2;--gap:12px}.bl-lw-grid.stack .pmx-body{padding:10px}.bl-lw-grid.stack .pmx-price-row{height:24px}.bl-lw-grid.stack .pmx-price{font-size:17px}.bl-lw-grid.stack .pmx-ppm2{font-size:11px}.bl-lw-grid.stack .pmx-ctitle{font-size:13.5px}.bl-lw-grid.stack .pmx-loc{margin-top:5px;height:18px;font-size:12.5px}.bl-lw-grid.stack .pmx-chips{margin-top:10px;padding-top:9px;height:34px;gap:10px}.bl-lw-grid.stack .pmx-chip{font-size:11.5px}.bl-lw-grid.stack .pmx-chip svg{width:14px;height:14px}.bl-lw-grid.stack .pmx-badge{height:18px;padding:0 6px;font-size:9px}.bl-lw-grid.stack .pmx-badge svg{width:9px;height:9px}.bl-lw-grid.stack .pmx-purpose{height:20px;font-size:10.5px}@media (max-width:720px){.bl-lw-grid{--cols:2;--gap:12px}}.bl-sk{border-radius:var(--r);border:1px solid var(--line);overflow:hidden;background:var(--surface)}.bl-sk .ph{aspect-ratio:4/3;background:#eef2f6}.bl-sk .ln{height:12px;border-radius:6px;background:#eef2f6;margin:10px 12px 0}.bl-sk .ln:last-child{margin-bottom:14px}@media (prefers-reduced-motion:no-preference){.bl-sk .ph,.bl-sk .ln{animation:bl-pulse 1.4s ease-in-out infinite}}@keyframes bl-pulse{50%{opacity:.55}}