:root{--accent: #0057ff;--accent-dark: #0043c4;--accent-soft: #e8f0ff;--magenta: #f00075;--green: #89c340;--ink: #0f172a;--ink-2: #3d4759;--ink-3: #697586;--line: #e3e8f0;--bg: #f6f8fc;--card: #ffffff;--radius: 16px;--radius-sm: 10px;--shadow-sm: 0 1px 2px rgba(15,23,42,.05), 0 1px 3px rgba(15,23,42,.06);--shadow-md: 0 4px 12px rgba(15,23,42,.07), 0 2px 4px rgba(15,23,42,.04);--shadow-lg: 0 12px 32px rgba(15,23,42,.1);--max: 1180px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--ink-2);background:var(--bg);-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-.02em;margin:0 0 .6em;font-weight:750}h1{font-size:clamp(1.75rem,4vw,2.6rem);letter-spacing:-.03em}h2{font-size:clamp(1.3rem,2.6vw,1.75rem);margin-top:1.8em}h3{font-size:clamp(1.1rem,2vw,1.3rem);margin-top:1.5em}p{margin:0 0 1.1em}.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5.5vw,36px)}@media(max-width:480px){.wrap{padding-left:20px;padding-right:20px}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:sticky;top:0;z-index:50;background:#ffffffeb;backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:14px;height:60px;max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5.5vw,36px)}.brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);font-size:1.06rem;letter-spacing:-.02em;white-space:nowrap}.brand:hover{text-decoration:none}.brand-mark{width:30px;height:30px;border-radius:9px;flex:0 0 auto;background:linear-gradient(135deg,var(--accent) 0%,#2f7bff 55%,var(--green) 100%);display:grid;place-items:center;color:#fff;font-size:.82rem;font-weight:800}.brand-sub{font-weight:500;color:var(--ink-3);font-size:.92rem}.nav{display:flex;align-items:center;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav a{padding:8px 12px;border-radius:9px;font-size:.875rem;font-weight:600;color:var(--ink-2);white-space:nowrap}.nav a:hover{background:var(--accent-soft);color:var(--accent);text-decoration:none}.nav a[aria-current=page]{background:var(--accent);color:#fff}.menu-toggle{display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;padding:0;place-items:center}.menu-toggle svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:2}@media(max-width:900px){.nav{position:fixed;inset:60px 0 auto;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 12px 14px;max-height:0;overflow:hidden;transition:max-height .22s ease;box-shadow:var(--shadow-lg)}.nav[data-open=true]{max-height:340px}.nav a{padding:11px 12px;font-size:.95rem}.menu-toggle{display:grid}.brand-sub{display:none}}.crumbs{padding:14px clamp(20px,5.5vw,36px) 0;max-width:var(--max);margin:0 auto;font-size:.82rem;color:var(--ink-3)}.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}.crumbs li:after{content:"/";margin-left:6px;color:var(--line)}.crumbs li:last-child:after{content:""}.crumbs a{color:var(--ink-3)}.crumbs a:hover{color:var(--accent)}.hero{padding:28px 0 8px}@media(max-width:640px){.section{padding:6px 0 20px}.sec-head{margin:30px 0 6px}.cat-grid,.post-grid{gap:14px}.post-body{padding:16px 18px 18px}}.hero h1{margin-bottom:.35em;max-width:20ch}.hero .lede{font-size:1.05rem;color:var(--ink-2);max-width:62ch;margin-bottom:0}.hero-band{background:radial-gradient(900px 320px at 88% -12%,rgba(137,195,64,.16),transparent 62%),radial-gradient(720px 300px at 4% -20%,rgba(0,87,255,.14),transparent 60%);border-bottom:1px solid var(--line)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}a.card{display:block;color:inherit}a.card:hover{text-decoration:none;box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#cfdcf5}.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr));gap:16px;margin:24px 0 8px}.cat-card{padding:20px;display:flex;flex-direction:column;gap:10px}.cat-head{display:flex;align-items:center;gap:12px}.cat-ico{width:42px;height:42px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;color:#fff}.cat-ico svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.cat-card h3{margin:0;font-size:1.02rem}.cat-card p{margin:0;font-size:.875rem;color:var(--ink-3);line-height:1.55}.cat-count{font-size:.78rem;font-weight:700;color:var(--accent);letter-spacing:.02em}.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(290px,100%),1fr));gap:16px;margin:20px 0 32px}.post-card{display:flex;flex-direction:column}.post-thumb-img{display:block;width:100%;height:auto;aspect-ratio:1200 / 630;object-fit:cover;background:var(--accent-soft);border-bottom:1px solid var(--line)}.post-thumb{aspect-ratio:16 / 9;background:linear-gradient(135deg,var(--accent-soft),#eef4ff);display:grid;place-items:center;color:var(--accent);font-weight:800;font-size:1.4rem}.post-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}.post-body h3{margin:0;font-size:1.01rem;line-height:1.4}.post-body p{margin:0;font-size:.86rem;color:var(--ink-3)}.post-meta{font-size:.76rem;color:var(--ink-3);display:flex;gap:10px;flex-wrap:wrap;align-items:center}.chip{display:inline-block;padding:3px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent-dark);font-size:.72rem;font-weight:700;letter-spacing:.01em}.score{display:inline-flex;align-items:baseline;gap:3px;font-weight:800;color:var(--ink)}.score small{font-size:.7rem;color:var(--ink-3);font-weight:600}.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:40px 0 4px}.sec-head h2{margin:0}.sec-head a{font-size:.85rem;font-weight:700}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}@media(max-width:1000px){.article-layout{grid-template-columns:1fr}}.article h1{margin-bottom:.3em}.article-hero{display:block;width:100%;height:auto;aspect-ratio:1200 / 630;border-radius:var(--radius);border:1px solid var(--line);margin:18px 0 20px;background:var(--accent-soft)}.byline{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.82rem;color:var(--ink-3);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:22px}.byline strong{color:var(--ink)}.lead{font-size:1.06rem;color:var(--ink-2);font-weight:500}.infobox{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:24px 0;box-shadow:var(--shadow-sm)}.infobox h2{margin:0 0 12px;font-size:1rem}.infobox dl{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;margin:0;font-size:.875rem}.infobox dt{color:var(--ink-3);font-weight:600}.infobox dd{margin:0;color:var(--ink)}.toc{background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-sm);padding:16px 20px;margin:24px 0}.toc h2{margin:0 0 10px;font-size:.95rem}.toc ol{margin:0;padding-left:20px;font-size:.89rem}.toc li{margin-bottom:5px}.proscons{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 0}@media(max-width:640px){.proscons{grid-template-columns:1fr}}.proscons>div{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px}.proscons h3{margin:0 0 10px;font-size:.95rem}.proscons ul{margin:0;padding-left:20px;font-size:.9rem}.proscons li{margin-bottom:6px}.proscons .pros{border-left:4px solid var(--green)}.proscons .cons{border-left:4px solid var(--magenta)}.dl-cta{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:linear-gradient(120deg,var(--accent) 0%,#2f7bff 60%,var(--green) 140%);color:#fff;border-radius:var(--radius);padding:22px 24px;margin:28px 0}.dl-cta p{margin:0;font-size:.9rem;opacity:.92}.dl-cta strong{display:block;font-size:1.05rem;margin-bottom:2px}.btn{display:inline-block;background:#fff;color:var(--accent-dark);font-weight:800;padding:12px 20px;border-radius:10px;font-size:.9rem;white-space:nowrap}.btn:hover{text-decoration:none;background:#f2f6ff}.faq{margin:30px 0}.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 18px;margin-bottom:10px}.faq summary{cursor:pointer;font-weight:700;color:var(--ink);font-size:.95rem}.faq details p{margin:10px 0 0;font-size:.9rem}.disclosure{font-size:.78rem;color:var(--ink-3);background:#f9fafc;border:1px dashed var(--line);border-radius:var(--radius-sm);padding:12px 16px;margin-top:30px}.ad-slot{display:block;margin:26px 0;text-align:center;min-height:250px;background:#fafbfd;border-radius:var(--radius-sm);overflow:hidden}.ad-slot--display{min-height:280px}.ad-slot--inline{min-height:100px}.ad-slot .ad-label{font-size:.65rem;letter-spacing:.09em;text-transform:uppercase;color:#aab3c2;padding-top:6px;display:block}.side{position:sticky;top:76px;display:flex;flex-direction:column;gap:18px}@media(max-width:1000px){.side{position:static}}.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}.side-box h2{font-size:.95rem;margin:0 0 12px}.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.side-list li a{font-size:.875rem;font-weight:600;color:var(--ink-2);line-height:1.45;display:block}.side-list li a:hover{color:var(--accent)}.side-list .post-meta{margin-top:3px}.pager{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:32px 0 48px;padding:0 20px}.pager a,.pager span{min-width:40px;height:40px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:.88rem;font-weight:700;color:var(--ink-2)}.pager a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}.pager [aria-current=page]{background:var(--accent);border-color:var(--accent);color:#fff}.site-footer{background:#0d1526;color:#a9b4c7;margin-top:56px;padding:44px 0 26px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:32px}@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}.site-footer h2{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin:0 0 14px}.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}.site-footer a{color:#a9b4c7;font-size:.875rem}.site-footer a:hover{color:#fff}.footer-brand p{font-size:.86rem;line-height:1.6;max-width:34ch}.footer-bottom{border-top:1px solid #1e2a42;margin-top:34px;padding-top:18px;font-size:.78rem;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}.section{padding:8px 0 24px}.pad-box{padding:clamp(18px,4vw,26px)}@media(max-width:640px){.card table{display:block;overflow-x:auto;white-space:nowrap}.card table thead,.card table tbody{display:table;width:max-content;min-width:100%}}.mt-0{margin-top:0}.mb-0{margin-bottom:0}.center{text-align:center}