.blog-post{background:var(--bg)}.post-hero{position:relative;min-height:520px;display:flex;align-items:flex-end;background-size:cover;background-position:50%;padding-bottom:0}.post-hero-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.75) 0,rgba(0,0,0,.3) 50%,rgba(0,0,0,0));z-index:1}.post-hero-content{position:relative;z-index:2;width:100%;max-width:860px;margin:0 auto;padding:0 48px 56px;text-align:left}.post-meta-top{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}.post-tag{font-size:.68rem;font-weight:500;text-transform:uppercase;letter-spacing:.13em;color:rgba(255,255,255,.9);background:rgba(193,122,46,.75);border:1px solid rgba(193,122,46,.5);padding:5px 12px;border-radius:3px}.post-date,.post-tag{font-family:var(--font-body)}.post-date{font-size:.78rem;font-weight:400;color:rgba(255,255,255,.7);letter-spacing:.04em}.post-hero-content h1{font-family:var(--font-heading);font-size:clamp(3rem,5vw,3.5rem);font-weight:600;line-height:1.15;letter-spacing:-.01em;color:#ffffff;margin:0;text-shadow:0 2px 12px rgba(0,0,0,.4);max-width:720px}.post-breadcrumb{background:var(--bg);border-bottom:1px solid var(--border)}.breadcrumb-inner{max-width:1280px;margin:0 auto;padding:14px 48px;display:flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:.8rem;color:var(--text-muted);flex-wrap:wrap}.breadcrumb-inner a{color:var(--text-muted);text-decoration:none;transition:color .2s}.breadcrumb-inner a:hover{color:var(--accent)}.bc-sep{color:var(--border);font-size:1rem}.breadcrumb-inner [aria-current=page]{color:var(--text);font-weight:500}.post-layout{background:var(--bg);display:grid;grid-template-columns:240px minmax(0,760px);grid-column-gap:64px;column-gap:64px;max-width:1180px;margin:0 auto;padding:56px 48px 96px;align-items:start}.post-layout.no-toc{grid-template-columns:1fr;max-width:800px}.place-toc{position:-webkit-sticky;position:sticky;top:100px;max-height:calc(100vh - 120px);overflow-y:auto;scrollbar-width:none}.place-toc::-webkit-scrollbar{display:none}.toc-inner{border-left:2px solid var(--border);padding-left:20px}.toc-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:none;padding:0 0 12px;cursor:pointer}.toc-title{font-family:var(--font-body);font-size:.68rem;font-weight:500;text-transform:uppercase;letter-spacing:.14em;color:var(--text-muted)}.toc-chevron{font-size:1.1rem;color:var(--text-muted);line-height:1;transition:transform .2s;display:inline-block}.toc-chevron.open{transform:rotate(90deg)}.toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.toc-item a{font-family:var(--font-body);font-size:.8rem;font-weight:500;color:var(--text-muted);text-decoration:none;display:block;line-height:1.45;transition:color .2s;border-left:2px solid transparent;margin-left:-22px;padding:5px 0 5px 20px}.toc-item a:hover,.toc-item.active a{color:var(--accent)}.toc-item.active a{border-left-color:var(--accent);font-weight:500}.toc-level-3 a{padding-left:34px;font-size:.75rem}.post-main{min-width:0}.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-bottom:28px;margin-bottom:36px;border-bottom:1px solid var(--border);font-family:var(--font-body);font-size:13px;color:var(--text-muted)}.meta-tag{background:var(--accent-light);color:var(--accent);padding:3px 10px;border-radius:3px;font-weight:500;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em}.post-body{font-family:var(--font-body);font-size:17px;font-weight:400;line-height:1.8;color:var(--text)}.post-body p{margin-bottom:1.6rem}.post-body h2{font-size:2rem;line-height:1.25;margin-top:56px;margin-bottom:20px;letter-spacing:-.01em}.post-body h2,.post-body h3{font-family:var(--font-heading);font-weight:600;color:#111}.post-body h3{font-size:1.375rem;line-height:1.3;margin-top:44px;margin-bottom:14px}.post-body h4{font-family:var(--font-heading);font-size:1.1rem;font-weight:400;font-style:italic;color:#5a5550;margin-top:32px;margin-bottom:10px}.post-body ol,.post-body ul{padding-left:1.5rem;margin-bottom:1.75rem}.post-body li{margin-bottom:.55rem;line-height:1.75}.post-body strong{color:#111;font-weight:500}.post-body a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .18s}.post-body a:hover{border-bottom-color:var(--accent)}.post-body blockquote{font-family:var(--font-heading);font-style:italic;font-weight:400;font-size:1.375rem;line-height:1.6;color:#4a4540;margin:40px 0;padding:4px 0 4px 28px;border-left:3px solid var(--accent)}.post-body img{width:100%;height:auto;border-radius:8px;margin:2.5rem 0;display:block}@media (max-width:1024px){.post-layout{grid-template-columns:1fr;padding:40px 32px 72px}.place-toc{display:none}.breadcrumb-inner{padding:12px 32px}}@media (max-width:768px){.post-hero{min-height:420px}.post-hero-content{padding:0 24px 44px}.post-hero-content h1{font-size:clamp(2.1rem,7.5vw,2.8rem)}.breadcrumb-inner{padding:10px 24px}.post-layout{padding:32px 24px 56px}.post-body{font-size:16px}.post-body h2{font-size:1.7rem;margin-top:40px}.post-body h3{font-size:1.25rem;margin-top:32px}.post-body blockquote{font-size:1.15rem;padding-left:20px}}