.sa-blog-art{width:100%;height:auto;display:block}.sa-blog-hero{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:center;gap:44px;padding:30px 0 40px;display:grid}.sa-blog-hero h1{letter-spacing:-.04em;color:#243044;font-size:clamp(28px,4vw,42px);font-weight:750;line-height:1.2}.sa-blog-intro{color:#516177;max-width:58ch;margin-top:16px;font-size:17px;line-height:1.8}.sa-blog-meta{color:#8190a5;margin-top:18px;font-size:13px}.sa-blog-hero-art{border-radius:22px;overflow:hidden;box-shadow:0 14px 34px -22px #2563eb73}.sa-blog-layout{border-top:1px solid #dfe6ee;grid-template-columns:210px minmax(0,1fr);align-items:start;gap:56px;padding-top:10px;display:grid}.sa-blog-main{min-width:0;max-width:720px}.sa-blog-toc{padding-top:30px;font-size:13px;position:sticky;top:96px}.sa-blog-toc p{color:#36465c;margin-bottom:10px;font-weight:700}.sa-blog-toc ol{border-left:2px solid #e0e8f2;margin:0;padding:0;list-style:none}.sa-blog-toc a{color:#667a93;border-left:2px solid #0000;margin-left:-2px;padding:7px 0 7px 14px;line-height:1.5;text-decoration:none;display:block}.sa-blog-toc a:hover,.sa-blog-toc a:focus-visible{color:#2563eb;border-left-color:#2563eb}.sa-blog-section{padding-top:40px;scroll-margin-top:96px}.sa-blog-section h2{letter-spacing:-.035em;color:#243044;font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35}.sa-blog-section p{color:#4f6076;max-width:68ch;margin-top:14px;font-size:16.5px;line-height:1.85}.sa-blog-formula{color:#fff;background:#2563eb;border-radius:14px;margin-top:20px;padding:20px 24px}.sa-blog-formula span{opacity:.8;font-size:13px;font-weight:600;display:block}.sa-blog-formula strong{color:#fff;margin-top:6px;font-size:clamp(16px,2.2vw,20px);font-weight:700;line-height:1.55;display:block}.sa-blog-steps{counter-reset:step;gap:12px;margin:20px 0 0;padding:0;list-style:none;display:grid}.sa-blog-steps li{counter-increment:step;color:#4f6076;background:#fff;border:1px solid #e0e8f2;border-radius:14px;grid-template-columns:36px 1fr;align-items:start;gap:14px;padding:16px 18px;font-size:15.5px;line-height:1.75;display:grid}.sa-blog-steps li:before{content:counter(step);color:#2563eb;background:#eaf1fe;border-radius:50%;place-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:grid}.sa-blog-checks{gap:10px;margin:18px 0 0;padding:0;list-style:none;display:grid}.sa-blog-checks li{color:#4f6076;grid-template-columns:22px 1fr;align-items:start;gap:10px;font-size:16px;line-height:1.75;display:grid}.sa-blog-checks svg{color:#2563eb;background:#eaf1fe;border-radius:50%;width:20px;height:20px;margin-top:5px;padding:3px}.sa-blog-links{gap:10px;margin:14px 0 0;padding:0;list-style:none;display:grid}.sa-blog-example{margin:22px 0 0}.sa-blog-article .sa-guide-notice{margin-top:22px}.sa-blog-index-head{max-width:640px;padding:26px 0 30px}.sa-blog-index-head h1{letter-spacing:-.04em;color:#243044;font-size:clamp(28px,4vw,40px);font-weight:750}.sa-blog-index-head p{color:#516177;margin-top:12px;font-size:17px;line-height:1.75}.sa-blog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.sa-blog-card{background:#fff;border:1px solid #e1e8f0;border-radius:16px;flex-direction:column;transition:border-color .15s,transform .15s;display:flex;overflow:hidden;color:#293448!important;text-decoration:none!important}.sa-blog-card:hover,.sa-blog-card:focus-visible{border-color:#9dbcf3}.sa-blog-card:hover{transform:translateY(-2px)}.sa-blog-card-body{flex-direction:column;flex:1;gap:8px;padding:18px 20px 20px;display:flex}.sa-blog-card h2{letter-spacing:-.025em;color:#243044;font-size:18px;font-weight:700;line-height:1.4}.sa-blog-card p{color:#667a93;font-size:14px;line-height:1.7}.sa-blog-card-meta{color:#8190a5;margin-top:auto;padding-top:6px;font-size:12.5px}.sa-blog-related{margin-top:60px}.sa-blog-related h2{letter-spacing:-.035em;color:#243044;margin-bottom:18px;font-size:clamp(22px,2.6vw,28px);font-weight:700}@media (max-width:1000px){.sa-blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sa-blog-layout{grid-template-columns:170px minmax(0,1fr);gap:32px}}@media (max-width:760px){.sa-blog-hero{grid-template-columns:1fr;gap:22px;padding:18px 0 28px}.sa-blog-hero-art{order:-1}.sa-blog-layout{display:block}.sa-blog-toc{padding:22px 0 0;position:static}.sa-blog-toc ol{border-left:0;flex-wrap:wrap;gap:8px;display:flex}.sa-blog-toc a{background:#fff;border:1px solid #dbe5f3;border-radius:999px;margin:0;padding:7px 12px}.sa-blog-grid{grid-template-columns:1fr}.sa-blog-section p{font-size:16px}}@media (prefers-reduced-motion:reduce){.sa-blog-card{transition:none}.sa-blog-card:hover{transform:none}}.sa-blog-tool{background:#f3f7fd;border:1px solid #bdd3f6;border-radius:14px;grid-template-columns:48px minmax(0,1fr) 20px;align-items:center;gap:16px;margin-top:24px;padding:16px 18px;transition:border-color .15s,background .15s;display:grid;color:#293448!important;text-decoration:none!important}.sa-blog-tool:hover,.sa-blog-tool:focus-visible{background:#eaf1fe;border-color:#2563eb}.sa-blog-tool strong{color:#243044;font-size:15.5px;font-weight:700;display:block}.sa-blog-tool small{color:#586a82;margin-top:3px;font-size:13.5px;line-height:1.6;display:block}.sa-blog-tool svg:last-child{color:#2563eb}@media (prefers-reduced-motion:reduce){.sa-blog-tool{transition:none}}.sa-blog-table{margin-top:20px;overflow-x:auto}.sa-blog-table table{min-width:560px}.sa-blog-related>.sa-guide-text-link{margin-top:20px;display:inline-flex}