*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root,[data-theme=light]{--text-primary: #111111;--text-secondary: #555555;--text-muted: #888888;--bg-primary: #ffffff;--bg-secondary: #fafafa;--border: #e0e0e0;--border-light: #f0f0f0;--accent: #c9a54a;--link: #111111;--code-bg: #f4f4f5;--header-bg: #0a0a0a;--header-border: #222;--font-body: Georgia, "Times New Roman", Times, serif;--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--content-width: 680px;--wide-width: 820px}[data-theme=dark]{--text-primary: #e5e5e5;--text-secondary: #a3a3a3;--text-muted: #737373;--bg-primary: #0f0f0f;--bg-secondary: #171717;--border: #2a2a2a;--border-light: #1f1f1f;--accent: #d4a853;--link: #e5e5e5;--code-bg: #1a1a1a;--header-bg: #050505;--header-border: #1a1a1a}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);color:var(--text-primary);background:var(--bg-primary);line-height:1.7}.site-header{background:var(--header-bg);border-bottom:1px solid var(--header-border);position:sticky;top:0;z-index:100}.header-inner{max-width:1100px;margin:0 auto;padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between}.logo{font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.2em;color:#fff;text-decoration:none}.logo:hover{color:var(--accent)}.header-nav{display:flex;align-items:center;gap:20px}.header-nav a{font-family:var(--font-ui);font-size:13px;color:#999;text-decoration:none;letter-spacing:.03em}.header-nav a:hover{color:#fff}.home{max-width:var(--content-width);margin:0 auto;padding:0 24px}.hero{padding:40px 0 16px}.hero-tagline{font-family:var(--font-ui);font-size:16px;color:var(--text-secondary);letter-spacing:.01em}.article-list{padding:20px 0 80px}.article-card{display:block;text-decoration:none;color:inherit;padding:32px 0;border-bottom:1px solid var(--border-light);transition:background .15s}.article-card:first-child{border-top:none}.article-card:hover{background:var(--bg-secondary);margin:0 -16px;padding:32px 16px;border-radius:4px}.article-card time{font-family:var(--font-ui);font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted)}.article-card h2{font-family:var(--font-ui);font-size:22px;font-weight:700;line-height:1.3;letter-spacing:-.01em;margin:8px 0 6px;color:var(--text-primary)}.article-card p{font-size:16px;line-height:1.5;color:var(--text-secondary)}.draft-badge{display:inline-block;font-family:var(--font-ui);font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent);padding:2px 8px;border-radius:3px;margin-top:8px}.article-page{padding-bottom:100px}.article-container{max-width:var(--content-width);margin:0 auto;padding:0 24px}.article-header{padding:60px 0 40px;border-bottom:1px solid var(--border);margin-bottom:40px}.article-header time{font-family:var(--font-ui);font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);display:block;margin-bottom:12px}.article-header h1{font-family:var(--font-ui);font-size:36px;font-weight:800;line-height:1.15;letter-spacing:-.025em;color:var(--text-primary);margin-bottom:16px}.article-subtitle{font-size:19px;line-height:1.5;color:var(--text-secondary)}.article-body{font-size:19px;line-height:1.75}.article-body p{margin-bottom:24px}.article-body h2{font-family:var(--font-ui);font-size:22px;font-weight:700;line-height:1.3;letter-spacing:-.01em;margin:48px 0 16px;color:var(--text-primary)}.article-body h3{font-family:var(--font-ui);font-size:18px;font-weight:700;margin:36px 0 12px}.article-body a{color:var(--link);text-decoration:underline;text-decoration-color:#ccc;text-underline-offset:3px;transition:text-decoration-color .15s}.article-body a:hover{text-decoration-color:var(--text-primary)}.article-body strong{font-weight:700}.article-body em{font-style:italic}.article-body blockquote{border-left:3px solid var(--accent);padding-left:20px;margin:28px 0;color:var(--text-secondary);font-style:italic}.article-body ul,.article-body ol{margin:20px 0;padding-left:28px}.article-body li{margin-bottom:8px}.article-body hr{border:none;border-top:1px solid var(--border);margin:48px 0}.article-body code{font-family:SF Mono,Fira Code,Fira Mono,Menlo,monospace;font-size:.85em;background:var(--code-bg);padding:2px 6px;border-radius:3px}.article-body pre{background:var(--code-bg);padding:20px;border-radius:6px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.6}.article-body pre code{background:none;padding:0}.article-figure{margin:40px -70px;text-align:center}.article-figure img{max-width:100%;width:var(--wide-width);height:auto;border:1px solid var(--border);border-radius:4px;background:#fff}.chart-container{width:100%;border-radius:6px;overflow:hidden}.chart-container svg{width:100%;height:auto;display:block}.chart-dark{background:#111827;border:1px solid #1f2937}.chart-light{background:#fff;border:1px solid var(--border)}.article-figure figcaption{font-family:var(--font-ui);font-size:13px;color:var(--text-muted);margin-top:10px;line-height:1.5;max-width:var(--content-width);margin-left:auto;margin-right:auto}.table-wrap{overflow-x:auto;margin:24px 0}.article-body table{width:100%;border-collapse:collapse;font-family:var(--font-ui);font-size:14px}.article-body th{text-align:left;font-weight:600;padding:10px 12px;border-bottom:2px solid var(--text-primary);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}.article-body td{padding:10px 12px;border-bottom:1px solid var(--border-light)}.article-body hr:last-of-type~p,.article-body hr:last-of-type~ul{font-size:15px;line-height:1.65;color:var(--text-secondary)}.article-footer{margin-top:64px;padding-top:32px;border-top:1px solid var(--border)}.back-link{font-family:var(--font-ui);font-size:14px;font-weight:500;color:var(--text-muted);text-decoration:none;letter-spacing:.02em}.back-link:hover{color:var(--text-primary)}.site-footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:48px 24px;text-align:center}.footer-inner{max-width:var(--content-width);margin:0 auto}.site-footer p{font-family:var(--font-ui);font-size:14px;color:var(--text-secondary);line-height:1.6}.footer-sub{margin-top:8px;font-size:13px!important;color:var(--text-muted)!important}.footer-contact{margin-top:12px}.footer-contact a{font-family:var(--font-ui);font-size:13px;color:var(--text-muted);text-decoration:none;letter-spacing:.02em}.footer-contact a:hover{color:var(--text-primary)}.subscribe-section{max-width:var(--content-width);margin:0 auto;padding:0 24px 60px}.home-subscribe{padding:0 0 60px;margin-top:20px}.article-subscribe{margin:48px 0;padding:24px 0 0;border-top:1px solid var(--border)}.subscribe-form{display:flex;gap:8px;padding:20px 0 0}.subscribe-input{flex:1;font-family:var(--font-ui);font-size:14px;padding:10px 14px;border:1px solid var(--border);border-radius:4px;background:var(--bg-primary);color:var(--text-primary);outline:none}.subscribe-input:focus{border-color:var(--text-muted)}.subscribe-btn{font-family:var(--font-ui);font-size:13px;font-weight:600;letter-spacing:.03em;padding:10px 20px;border:1px solid var(--text-primary);border-radius:4px;background:var(--text-primary);color:var(--bg-primary);cursor:pointer;transition:opacity .15s}.subscribe-btn:hover{opacity:.85}.subscribe-btn:disabled{opacity:.5;cursor:not-allowed}.subscribe-thanks{font-family:var(--font-ui);font-size:14px;color:var(--text-secondary);padding:20px 0 0}.subscribe-error{font-family:var(--font-ui);font-size:12px;color:#dc2626;margin-top:4px}.search-bar{padding:16px 0 8px}.search-input{width:100%;font-family:var(--font-ui);font-size:14px;padding:10px 14px;border:1px solid var(--border);border-radius:4px;background:var(--bg-primary);color:var(--text-primary);outline:none}.search-input:focus{border-color:var(--text-muted)}.search-input::placeholder{color:var(--text-muted)}.no-results{font-family:var(--font-ui);font-size:14px;color:var(--text-muted);padding:32px 0}.theme-toggle{background:none;border:none;color:#999;font-size:16px;cursor:pointer;padding:2px 4px;line-height:1}.theme-toggle:hover{color:#fff}[data-theme=dark] .chart-light{background:#1a1a1a;border-color:#2a2a2a}[data-theme=dark] .article-figure img{border-color:#2a2a2a}.site-footer a{color:var(--text-muted);text-decoration:underline;text-decoration-color:var(--border);text-underline-offset:3px}.site-footer a:hover{color:var(--text-primary)}@media(max-width:768px){.hero{padding:48px 0 40px}.hero h1{font-size:26px}.hero p{font-size:16px}.article-header{padding:40px 0 28px}.article-header h1{font-size:28px}.article-subtitle,.article-body{font-size:17px}.article-body h2{font-size:20px}.article-figure{margin:32px -12px}.article-card h2{font-size:19px}}@media(max-width:480px){.header-inner,.home,.article-container{padding:0 16px}}