:root{color-scheme:light;--bg: #ffffff;--bg-subtle: #f7f9fb;--surface: #ffffff;--surface-raised: #fbfcfd;--text: #080b10;--text-soft: #343a43;--muted: #69717d;--muted-2: #8a929e;--line: #d6dbe2;--line-soft: #e9edf2;--accent: #075dbc;--accent-strong: #004ea8;--accent-soft: #eaf4ff;--teal: #087b87;--shadow: 0 18px 50px rgba(11, 18, 26, .08);--display: Georgia, "Times New Roman", Times, serif;--sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-family:var(--sans);background:var(--bg);color:var(--text)}:root[data-theme=dark]{color-scheme:dark;--bg: #111519;--bg-subtle: #151a1f;--surface: #14191e;--surface-raised: #191f25;--text: #f4f6f7;--text-soft: #d8dde2;--muted: #9ca5ae;--muted-2: #767f88;--line: #333a42;--line-soft: #242b32;--accent: #6cc7ff;--accent-strong: #98d9ff;--accent-soft: rgba(108, 199, 255, .12);--teal: #6fd7d9;--shadow: 0 20px 60px rgba(0, 0, 0, .34)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input{font:inherit}button{color:inherit}a{color:var(--accent);text-decoration:none}a:hover,button:hover{color:var(--accent-strong)}img{display:block;max-width:100%}.app-shell{min-height:100vh;background:linear-gradient(180deg,rgba(7,93,188,.035),transparent 420px),var(--bg)}:root[data-theme=dark] .app-shell{background:radial-gradient(circle at 52% -18%,rgba(108,199,255,.08),transparent 460px),var(--bg)}.site-header{position:sticky;top:0;z-index:30;display:grid;grid-template-columns:minmax(180px,1fr) auto minmax(180px,1fr);align-items:center;min-height:72px;padding:0 52px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 94%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{width:fit-content;color:var(--text);font-family:var(--display);font-size:clamp(1.55rem,2.6vw,2.05rem);font-weight:700;letter-spacing:0;line-height:1}.brand:hover{color:var(--text)}.desktop-nav{display:flex;align-items:stretch;gap:26px;height:72px}.desktop-nav button{position:relative;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;padding:0 4px;color:var(--text-soft);font-size:.98rem;line-height:1;cursor:pointer}.desktop-nav button.active{color:var(--accent)}.desktop-nav button.active:after{position:absolute;right:0;bottom:0;left:0;height:3px;background:var(--accent);content:""}.header-actions{justify-self:end;display:flex;align-items:center;gap:12px}.theme-toggle,.menu-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;background:transparent;color:var(--text);cursor:pointer}.theme-toggle{min-width:104px;height:40px;gap:10px;border-left-color:var(--line);padding:0 0 0 22px;font-size:.98rem}.theme-toggle svg{color:var(--text)}.menu-button{display:none;width:40px;height:40px;border-color:var(--line);border-radius:6px}.mobile-menu{position:absolute;right:18px;top:64px;display:none;min-width:190px;padding:8px;border:1px solid var(--line);border-radius:6px;background:var(--surface);box-shadow:var(--shadow)}.mobile-menu button{display:block;width:100%;border:0;background:transparent;padding:12px 10px;color:var(--text);text-align:left;cursor:pointer}.home-page{width:min(100%,1440px);margin:0 auto;padding:0 56px}.hero-section{display:flex;align-items:end;min-height:190px;padding:46px 0 34px}.hero-section h1{max-width:980px;margin:0;color:var(--text);font-family:var(--display);font-size:clamp(2.55rem,3.25vw,3.35rem);font-weight:700;letter-spacing:0;line-height:1.08}.hero-section p{margin:22px 0 0;color:var(--muted);font-size:clamp(1.1rem,2vw,1.45rem);line-height:1.45}.home-grid{display:grid;grid-template-columns:minmax(0,1fr) 354px;gap:52px;padding:8px 0 48px}.post-index{min-width:0}.row-image{overflow:hidden;width:100%;aspect-ratio:1.36 / 1;border:1px solid var(--line);border-radius:6px;background:var(--surface-raised);box-shadow:0 10px 30px #0b121a0f;cursor:pointer}.row-image img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}.row-image:hover img{transform:scale(1.025)}.post-date{color:var(--muted);font-size:.95rem;line-height:1.6}.post-copy{min-width:0}.post-title{display:block;width:100%;border:0;background:transparent;padding:0;color:var(--text);font-family:var(--display);font-size:1.55rem;font-weight:700;letter-spacing:0;line-height:1.13;text-align:left;cursor:pointer}.post-title:hover{color:var(--accent)}.post-copy p{max-width:660px;margin:18px 0 0;color:var(--text-soft);font-size:1.08rem;line-height:1.58}.tag-list{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;color:var(--accent);font-size:.98rem;font-weight:600}.post-row{display:grid;grid-template-columns:142px minmax(128px,170px) minmax(0,1fr) 40px;gap:26px;align-items:start;padding:30px 0 32px;border-bottom:1px solid var(--line)}.post-row .post-title{font-size:clamp(1.55rem,1.9vw,1.9rem)}.row-arrow{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;margin-top:4px;border:0;border-radius:6px;background:transparent;color:var(--accent);cursor:pointer}.row-arrow:hover{background:var(--accent-soft)}.home-sidebar{min-width:0;padding-left:36px;border-left:1px solid var(--line)}.home-sidebar section+section{margin-top:46px}.home-sidebar h2{margin:0 0 19px;color:var(--text);font-size:1.25rem;font-weight:750;letter-spacing:0}.latest-list{display:grid;gap:0}.latest-list button,.related-list button{border:0;border-bottom:1px solid var(--line);background:transparent;padding:16px 0 17px;color:var(--accent);text-align:left;cursor:pointer}.latest-list span,.related-list span{display:block;font-size:1.02rem;font-weight:650;line-height:1.35}.latest-list small,.related-list small{display:block;margin-top:7px;color:var(--muted);font-size:.91rem}.topics-list{display:grid;gap:2px}.topic-row{display:flex;align-items:center;justify-content:space-between;width:100%;border:0;border-radius:6px;background:transparent;padding:8px 10px;color:var(--text-soft);font-size:.98rem;cursor:pointer}.topic-row.active{background:var(--accent-soft);color:var(--accent);font-weight:700}.empty-state{display:grid;place-items:center;min-height:260px;margin-top:28px;border:1px solid var(--line);border-radius:6px;color:var(--muted);text-align:center}.empty-state h2{margin:12px 0 2px;font-family:var(--display);color:var(--text)}.reader-shell{display:grid;grid-template-columns:268px minmax(0,866px) 300px;min-height:calc(100vh - 72px);border-bottom:1px solid var(--line)}.toc-rail,.detail-rail{position:sticky;top:72px;height:calc(100vh - 72px);padding:32px 40px;border-right:1px solid var(--line);background:color-mix(in srgb,var(--bg) 92%,transparent)}.detail-rail{border-right:0;border-left:1px solid var(--line)}.back-link,.mobile-back{display:inline-flex;align-items:center;gap:9px;border:0;background:transparent;padding:0;color:var(--accent);font-size:.98rem;font-weight:600;cursor:pointer}.toc-block{margin-top:31px}.toc-block h2,.detail-rail h2{margin:0 0 18px;color:var(--muted-2);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.toc-block a{display:block;margin:0 0 18px;border-left:3px solid transparent;padding-left:13px;color:var(--text-soft);font-size:.96rem;line-height:1.36}.toc-block a.active,.toc-block a:hover{border-left-color:var(--accent);color:var(--accent)}.reader-article{min-width:0;max-width:866px;padding:30px 58px 60px}.mobile-back{display:none}.article-hero h1{max-width:760px;margin:0;color:var(--text);font-family:var(--display);font-size:clamp(3.1rem,4.3vw,4.25rem);font-weight:700;letter-spacing:0;line-height:1.03}.article-meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:24px;color:var(--muted);font-size:1rem}.article-meta-row span+span:before{margin-right:10px;color:var(--muted-2);content:"•"}.article-meta-row span:not(:first-child){color:var(--accent)}.article-hero>p{max-width:720px;margin:20px 0 24px;color:var(--text-soft);font-family:var(--display);font-size:1.22rem;line-height:1.42}.article-hero figure{overflow:hidden;margin:0 0 22px;border:1px solid var(--line);border-radius:6px;background:var(--surface-raised);box-shadow:var(--shadow)}.article-hero img{width:100%;aspect-ratio:2.45 / 1;object-fit:cover}.article-disclaimer{border-left:3px solid var(--accent);padding:10px 0 10px 16px;color:var(--muted);font-size:.95rem;line-height:1.45}.article-body{margin-top:26px}.article-body h2,.article-body h3{margin:32px 0 10px;color:var(--text);font-family:var(--display);font-weight:700;letter-spacing:0;scroll-margin-top:96px}.article-body h2{font-size:2rem;line-height:1.12}.article-body h3{font-size:1.5rem;line-height:1.18}.article-body p{margin:0 0 18px;color:var(--text-soft);font-family:var(--display);font-size:1.12rem;line-height:1.56}.article-body strong{color:var(--text);font-weight:700}.article-body blockquote{margin:24px 0;border-left:3px solid var(--accent);padding:6px 0 6px 20px;color:var(--text);font-family:var(--display);font-size:1.18rem;font-style:italic;line-height:1.5}.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;color:var(--text-soft);font-family:var(--display);font-size:1.1rem;line-height:1.58}.article-body li+li{margin-top:7px}.table-wrap{overflow-x:auto;margin:24px 0 30px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}table{width:100%;min-width:620px;border-collapse:collapse;color:var(--text-soft);font-size:.96rem}th,td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}th{color:var(--text);font-weight:750}tr:last-child td{border-bottom:0}.article-pagination{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}.article-pagination button{border:1px solid var(--line);border-radius:6px;background:var(--surface);padding:14px 16px;color:var(--text);text-align:left;cursor:pointer}.article-pagination small{display:block;margin-bottom:7px;color:var(--muted);font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.article-pagination span{font-family:var(--display);font-size:1.05rem;font-weight:700;line-height:1.26}.detail-rail section+section{margin-top:30px;padding-top:25px;border-top:1px solid var(--line)}.detail-item,.share-action{display:flex;align-items:flex-start;gap:12px;width:100%;min-height:34px;border:0;background:transparent;padding:0;color:var(--text-soft);font-size:.94rem;text-align:left}.detail-item svg,.share-action svg{flex:0 0 auto;margin-top:2px;color:var(--muted)}.detail-item+.detail-item,.share-action+.share-action{margin-top:14px}.share-action{cursor:pointer}.related-list button:last-child{border-bottom:0}.site-footer{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:32px 56px;width:min(100%,1440px);margin:0 auto;padding:44px 56px 30px;border-top:1px solid var(--line)}.about-footer{display:grid;gap:22px;align-content:start}.about-footer h2,.site-disclaimer h2,.newsletter h2{margin:0 0 10px;color:var(--text);font-size:1.16rem;font-weight:800;letter-spacing:0}.about-footer p,.site-disclaimer p,.newsletter p{max-width:720px;margin:0;color:var(--text-soft);font-size:1rem;line-height:1.62}.about-links{display:flex;flex-wrap:wrap;gap:18px}.about-links a{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:.98rem;font-weight:700}.site-disclaimer{align-self:start;border-left:3px solid var(--accent);padding-left:18px}.newsletter{display:grid;grid-column:1 / -1;grid-template-columns:minmax(260px,390px) minmax(320px,520px);gap:28px;align-items:center;padding-top:28px;border-top:1px solid var(--line)}.subscribe-row{display:grid;grid-template-columns:minmax(0,1fr) 128px;gap:12px}.subscribe-row input,.subscribe-row button{height:42px;border:1px solid var(--line);border-radius:6px}.subscribe-row input{min-width:0;background:var(--surface);padding:0 15px;color:var(--text)}.subscribe-row button{background:var(--accent);color:#fff;font-weight:750;cursor:pointer}.footer-meta{grid-column:1 / -1;display:grid;grid-template-columns:1fr auto;align-items:center;justify-items:start;align-content:center;gap:12px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:.94rem}.footer-meta p{margin:0}.footer-meta div{display:flex;align-items:center;gap:18px;justify-self:end}.footer-meta a{display:inline-flex;align-items:center;gap:6px;color:var(--accent)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}@media(max-width:1180px){.site-header{grid-template-columns:auto 1fr auto;padding:0 28px}.desktop-nav{justify-self:center}.home-page{padding:0 32px}.home-grid{grid-template-columns:minmax(0,1fr)}.home-sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:28px}.home-sidebar section+section{margin-top:0}.reader-shell{grid-template-columns:minmax(0,1fr) 286px}.toc-rail{display:none}.mobile-back{display:inline-flex;margin-bottom:24px}.reader-article{max-width:none;padding:34px 42px 60px}}@media(max-width:820px){.site-header{min-height:64px;padding:0 18px}.desktop-nav{display:none}.theme-toggle{min-width:44px;width:44px;height:40px;border-left:0;border-color:var(--line);border-radius:6px;padding:0}.theme-toggle span{display:none}.menu-button,.mobile-menu{display:inline-flex}.mobile-menu{display:block}.home-page{padding:0 24px}.hero-section{min-height:auto;padding:42px 0 34px}.hero-section h1{font-size:clamp(2.1rem,7.6vw,2.75rem);line-height:1.1}.hero-section p,.post-copy p{display:none}.tag-list{gap:10px;font-size:.9rem}.post-row{grid-template-columns:118px minmax(0,1fr) 34px;gap:14px;padding:28px 0}.post-row .post-date{grid-column:1 / -1}.post-row .row-image{grid-column:1}.post-row .post-copy{grid-column:2}.post-row .row-arrow{grid-column:3;grid-row:2;width:34px;height:34px}.post-row .post-title{font-size:1.42rem;line-height:1.14}.home-sidebar{grid-template-columns:1fr}.reader-shell{display:block}.detail-rail{position:static;height:auto;margin:0 24px 36px;padding:26px 0 0;border-left:0;border-top:1px solid var(--line)}.reader-article{padding:28px 24px 40px}.article-hero h1{font-size:clamp(2.55rem,10.4vw,3.55rem);line-height:1.05}.article-meta-row{margin-top:20px}.article-hero>p{font-family:var(--sans);font-size:1.08rem}.article-hero img{aspect-ratio:1.55 / 1}.article-body p,.article-body ul,.article-body ol{font-family:var(--sans);font-size:1.02rem;line-height:1.68}.article-body h2{font-size:1.8rem}.article-pagination{grid-template-columns:1fr}.site-footer{display:block;padding:28px 24px}.site-disclaimer,.newsletter,.footer-meta{margin-top:28px}.newsletter{grid-template-columns:1fr;gap:18px;padding-top:24px}.subscribe-row{grid-template-columns:1fr}.footer-meta{grid-template-columns:1fr;justify-items:start}.footer-meta div{justify-self:start}}@media(max-width:520px){.brand{font-size:1.45rem}.home-page,.reader-article,.site-footer{padding-right:18px;padding-left:18px}.post-row{grid-template-columns:102px minmax(0,1fr) 28px}.post-row .post-title{font-size:1.2rem}.post-row .row-arrow{width:28px;height:28px}.post-row .row-arrow svg{width:18px;height:18px}.post-date{font-size:.88rem}.article-hero h1{font-size:2.5rem}table{min-width:540px}}