:root{--bg: #0f1226;--bg-soft: #171a33;--surface: #1d2142;--border: #2c3160;--text: #e7e9f5;--text-dim: #a6abcf;--accent: #8b95ff;--accent-2: #5fd0c5;--accent-warm: #ffb27a;--maxw: 720px;--maxw-wide: 1040px;--radius: 14px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}body{margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}.wrap-wide{max-width:var(--maxw-wide);margin:0 auto;padding:0 20px}h1,h2,h3{line-height:1.25;font-weight:700;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,4vw,2.5rem);margin:0 0 .5rem}h2{font-size:clamp(1.3rem,3vw,1.6rem);margin:2.2rem 0 .6rem}h3{font-size:1.15rem;margin:1.6rem 0 .4rem}.site-header{border-bottom:1px solid var(--border);background:#0f1226d9;backdrop-filter:saturate(140%) blur(8px);position:sticky;top:0;z-index:20}.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:60px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);font-size:1.15rem}.brand:hover{text-decoration:none}.brand .moon{width:22px;height:22px}.nav{display:flex;gap:18px;flex-wrap:wrap}.nav a{color:var(--text-dim);font-size:.92rem;font-weight:600}.nav a:hover{color:var(--text);text-decoration:none}.site-footer{border-top:1px solid var(--border);margin-top:4rem;padding:2.5rem 0;color:var(--text-dim);font-size:.88rem}.site-footer .cols{display:flex;gap:2rem;flex-wrap:wrap;justify-content:space-between}.site-footer a{color:var(--text-dim)}.hero{padding:3.5rem 0 1.5rem;text-align:center}.hero p.lede{color:var(--text-dim);font-size:1.15rem;max-width:560px;margin:.5rem auto 0}.cluster-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:2rem 0}.cluster-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;color:var(--text);transition:transform .15s ease,border-color .15s ease}.cluster-card:hover{transform:translateY(-3px);border-color:var(--accent);text-decoration:none}.cluster-card h3{margin:0 0 .35rem;color:var(--text)}.cluster-card p{margin:0;color:var(--text-dim);font-size:.92rem}.article-body{font-size:1.06rem}.article-body p{margin:0 0 1.1rem}.article-body ul,.article-body ol{margin:0 0 1.1rem;padding-left:1.3rem}.article-body li{margin:.3rem 0}.direct-answer{background:var(--bg-soft);border-left:3px solid var(--accent-2);border-radius:0 10px 10px 0;padding:16px 18px;margin:0 0 1.6rem;font-size:1.12rem;color:var(--text)}.meta-line{color:var(--text-dim);font-size:.86rem;margin:0 0 1.6rem}.article-hero{width:100%;aspect-ratio:1200 / 630;object-fit:cover;border-radius:14px;border:1px solid var(--border);margin:0 0 1.8rem;display:block}.faq{margin:2.5rem 0 0}.faq details{border:1px solid var(--border);border-radius:10px;padding:4px 16px;margin:0 0 10px;background:var(--surface)}.faq summary{cursor:pointer;font-weight:600;padding:12px 0}.faq details[open] summary{color:var(--accent)}.sources{margin-top:2.5rem;font-size:.9rem;color:var(--text-dim)}.sources h2{font-size:1.05rem}.sources ol{padding-left:1.2rem}.app-cta{background:linear-gradient(135deg,#232a5c,#1a1f44);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;margin:2.5rem 0;display:flex;gap:18px;align-items:center;flex-wrap:wrap}.app-cta .copy{flex:1 1 260px}.app-cta h3{margin:0 0 .25rem;color:var(--text)}.app-cta p{margin:0;color:var(--text-dim);font-size:.95rem}.app-cta .btn{display:inline-block;background:var(--accent);color:#0c0f22;font-weight:700;padding:12px 20px;border-radius:999px;white-space:nowrap}.app-cta .btn:hover{background:#a3abff;text-decoration:none}.breadcrumbs{font-size:.84rem;color:var(--text-dim);margin:1.5rem 0 .5rem}.breadcrumbs a{color:var(--text-dim)}.breadcrumbs a:hover{color:var(--text)}.article-list{list-style:none;padding:0;margin:1.5rem 0}.article-list li{border-bottom:1px solid var(--border)}.article-list a{display:block;padding:16px 4px;color:var(--text);font-weight:600}.article-list a:hover{color:var(--accent);text-decoration:none}.article-list .pillar-tag{display:inline-block;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-2);border:1px solid var(--accent-2);border-radius:4px;padding:1px 6px;margin-left:8px;vertical-align:middle}@media(max-width:600px){.nav{gap:12px}.nav a{font-size:.82rem}}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:48px;align-items:start;max-width:1060px;margin:0 auto;padding:0 20px}.article-main{min-width:0}.article-aside{position:sticky;top:80px}@media(max-width:940px){.article-grid{grid-template-columns:1fr;gap:0;max-width:720px}.article-aside{display:none}}.toc-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);font-weight:700;margin:0 0 .6rem}.toc-list{list-style:none;padding:0;margin:0 0 2.2rem;border-left:1px solid var(--border)}.toc-list li{margin:0}.toc-list a{display:block;padding:5px 0 5px 14px;margin-left:-1px;color:var(--text-dim);border-left:2px solid transparent;font-size:.88rem;line-height:1.35}.toc-list a:hover{color:var(--text);border-left-color:var(--accent);text-decoration:none}.toc-list .toc-d3 a{padding-left:28px;font-size:.83rem}.toc-inline{display:none}@media(max-width:940px){.toc-inline{display:block;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 16px;margin:0 0 1.8rem}.toc-inline summary{cursor:pointer;font-weight:700;color:var(--text)}.toc-inline .toc-list{margin:.8rem 0 .2rem}}.related ul{list-style:none;padding:0;margin:0}.related li{margin:0 0 .9rem}.related a{color:var(--text);font-size:.88rem;line-height:1.3;font-weight:500}.related a:hover{color:var(--accent);text-decoration:none}.related-cluster{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim);margin-top:2px}.app-cta-final{background:linear-gradient(135deg,#232a5c,#1a1f44);border:1px solid var(--accent);border-radius:16px;padding:30px 28px;margin:3rem 0 0;text-align:center}.app-cta-final h3{margin:0 0 .4rem;font-size:1.3rem;color:var(--text)}.app-cta-final p{color:var(--text-dim);margin:0 auto 1.3rem;max-width:460px}.appstore-badge{display:inline-flex;align-items:center;gap:11px;background:#000;color:#fff;border:1px solid #3a3a3a;border-radius:12px;padding:10px 22px;text-align:left}.appstore-badge:hover{background:#161616;text-decoration:none;transform:translateY(-1px)}.appstore-badge svg{width:26px;height:26px}.appstore-badge .small{font-size:.62rem;display:block;font-weight:400;opacity:.9;line-height:1.1}.appstore-badge .big{font-size:1.1rem;display:block;font-weight:600;line-height:1.15}