:root{color-scheme:dark;--article-line:#31465e;--article-ink:#eef3fc;--article-muted:#a8b7cc;--article-blue:#a8c8ff;--article-card:#172538}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:#0b0d12;color:var(--article-ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}.site-header{background:rgba(11,13,18,.9)}.article-nav{display:flex;gap:26px}.article-nav a{color:#b8cbe7;text-decoration:none;font-size:14px}.article-nav a:hover{color:white}.article-shell{width:min(1160px,calc(100% - 48px));margin:0 auto}.article-intro{padding:95px 0 65px;border-bottom:1px solid var(--article-line)}.article-eyebrow,.section-kicker,.toc-heading,.article-end-tag{font-size:12px;letter-spacing:.22em;font-weight:750;color:var(--article-blue)}.article-eyebrow span{padding:0 9px;color:#5e7b9d}.article-intro h1{margin:26px 0 20px;font-size:clamp(40px,5.4vw,74px);line-height:1.18;letter-spacing:-.045em;font-weight:790}.article-intro h1 em{font-style:normal;color:#a9c9fb}.article-deck{font-size:clamp(17px,2.1vw,23px);line-height:1.65;color:#c2d0e5}.article-byline{display:flex;gap:24px;flex-wrap:wrap;color:#8496af;font-size:13px;margin-top:29px}.article-byline span:first-child{color:#dce8fa;font-weight:700}.article-layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:75px;align-items:start}.toc-sticky{position:sticky;top:102px;padding-top:54px}.toc-heading{padding-bottom:18px;border-bottom:1px solid var(--article-line)}.toc-links{display:grid;margin-top:12px}.toc-links a{display:flex;align-items:baseline;gap:11px;color:#a4b5cb;padding:13px 8px;text-decoration:none;line-height:1.6;font-size:13px;border-radius:8px}.toc-links a b{color:#89b8f8}.toc-links a:hover,.toc-links a.active{color:#fff;background:#18263a}.toc-back{display:inline-block;margin-top:20px;color:var(--article-blue);font-size:13px;text-decoration:none}.article-body{padding:52px 0 110px;min-width:0}.article-body p{font-size:17px;line-height:2.05;color:#c2cde0;margin:0 0 22px;letter-spacing:.015em}.article-body > .reading-start > p:first-child{font-size:20px;color:#f0f4fa}.article-section{padding-top:32px;margin-top:20px;border-top:1px solid #25374c}.article-section h2{font-size:clamp(26px,3vw,34px);line-height:1.4;letter-spacing:-.015em;margin:12px 0 24px}.article-section h3{font-size:21px;margin:38px 0 17px;line-height:1.45;color:#e7f0ff}.reading-list{margin:10px 0 28px;padding:20px 22px 20px 46px;border:1px solid #2c4058;border-radius:14px;background:#111c2b}.reading-list li{font-size:16px;line-height:1.85;color:#c5d5e8;margin:8px 0;padding-left:4px}.reading-list li::marker{color:#8fbbf6}.article-takeaway{border-left:3px solid #8bb9f5;background:linear-gradient(110deg,#192f46,#142237);border-radius:0 12px 12px 0;padding:20px 23px;margin:30px 0}.article-takeaway span{font-size:10px;letter-spacing:.19em;font-weight:750;color:#91c8f6}.article-takeaway p{font-weight:670;color:#eef5ff;margin:8px 0 0;font-size:17px;line-height:1.8}.article-process{border:1px solid #3b5d80;border-radius:12px;background:#13283d;padding:20px 22px;text-align:center;color:#b8dbff;line-height:1.85;font-size:16px;font-weight:650;margin:24px 0 33px}.article-figure{margin:35px 0 50px;padding:15px;background:#edf3f9;border-radius:14px}.article-figure img{display:block;width:100%;height:auto;border-radius:6px}.article-figure figcaption{color:#647188;font-size:12px;text-align:center;padding-top:12px}.article-end{border-top:1px solid #34516e;margin-top:65px;padding:48px 0}.article-end h2{font-size:30px;line-height:1.5}.article-end a{display:inline-block;text-decoration:none;color:#b0d0fc;margin-top:20px;border:1px solid #526986;padding:13px 23px;border-radius:9px}.article-footer{border-top:1px solid #27374d;text-align:center;padding:25px;color:#7187a3;font-size:12px}@media(max-width:850px){.article-layout{grid-template-columns:1fr;gap:0}.article-sidebar{display:none}.article-intro{padding:66px 0 40px}.article-body{padding-top:35px}.article-shell{width:min(100% - 36px,760px)}.article-body p{font-size:16px;line-height:1.9}.article-section{padding-top:24px}.article-figure{padding:8px}.article-nav{gap:14px}}

.article-figure{padding:12px;margin-block:30px 44px}.article-figure img{width:100%;height:auto;object-fit:contain}.article-figure figcaption{display:none}

/* V99 Blog readability refinements */
.article-body .lead-paragraph{font-size:21px;color:#eef4ff;line-height:1.95;border-left:3px solid #91bdf5;padding:4px 0 4px 20px;margin-bottom:28px}
.article-body h2{scroll-margin-top:110px}.article-body h3{scroll-margin-top:110px}
.article-table-wrap{overflow-x:auto;margin:28px 0 36px;border:1px solid #344b67;border-radius:14px}
.article-table{width:100%;border-collapse:collapse;background:#111c2b;color:#c9d8ea;font-size:14px;line-height:1.8}
.article-table td{padding:14px 16px;border-bottom:1px solid #2a3d54;vertical-align:top}.article-table tr:last-child td{border-bottom:0}
.insight-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:26px 0 34px}
.insight-card{padding:18px;border:1px solid #344d6b;background:linear-gradient(145deg,#1a2c42,#132033);border-radius:13px}.insight-card span{font-size:10px;letter-spacing:.14em;color:#8db9f5;font-weight:750}.insight-card p{font-size:14px;line-height:1.75;margin:9px 0 0;color:#c9d8ea}
.figure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.figure-grid .article-figure{margin:12px 0 26px}
.article-figure{box-shadow:0 12px 36px rgba(0,0,0,.16)}.article-figure figcaption{display:block;color:#778ca8}
@media(max-width:850px){.insight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.figure-grid{grid-template-columns:1fr}}
@media(max-width:520px){.insight-grid{grid-template-columns:1fr}.article-body .lead-paragraph{font-size:18px}}

/* V99 Blog readability refinements */
.article-body .lead-paragraph{font-size:21px;color:#eef4ff;line-height:1.95;border-left:3px solid #91bdf5;padding:4px 0 4px 20px;margin-bottom:28px}
.article-body h2{scroll-margin-top:110px}.article-body h3{scroll-margin-top:110px}
.article-table-wrap{overflow-x:auto;margin:28px 0 36px;border:1px solid #344b67;border-radius:14px}
.article-table{width:100%;border-collapse:collapse;background:#111c2b;color:#c9d8ea;font-size:14px;line-height:1.8}
.article-table td{padding:14px 16px;border-bottom:1px solid #2a3d54;vertical-align:top}.article-table tr:last-child td{border-bottom:0}
.insight-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:26px 0 34px}
.insight-card{padding:18px;border:1px solid #344d6b;background:linear-gradient(145deg,#1a2c42,#132033);border-radius:13px}.insight-card span{font-size:10px;letter-spacing:.14em;color:#8db9f5;font-weight:750}.insight-card p{font-size:14px;line-height:1.75;margin:9px 0 0;color:#c9d8ea}
.figure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.figure-grid .article-figure{margin:12px 0 26px}
.article-figure{box-shadow:0 12px 36px rgba(0,0,0,.16)}.article-figure figcaption{display:block;color:#778ca8}
@media(max-width:850px){.insight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.figure-grid{grid-template-columns:1fr}}
@media(max-width:520px){.insight-grid{grid-template-columns:1fr}.article-body .lead-paragraph{font-size:18px}}