*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4f7fc;color:#173050;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:15px;line-height:1.55}a{color:inherit;text-decoration:none}button,input{font:inherit}.top{height:73px;background:#fff;border-bottom:1px solid #dfe8f2;position:relative;z-index:20}.top-in{max-width:1460px;height:100%;padding:0 18px;margin:auto;display:flex;align-items:center;gap:24px}.logo{color:#102746;font-size:22px;letter-spacing:.44em;font-weight:600;white-space:nowrap}.nav{display:flex;align-items:center;justify-content:center;gap:31px;margin:auto;height:100%;white-space:nowrap}.nav a{height:100%;display:inline-flex;align-items:center;gap:10px;color:#445d7d;font-size:13px;font-weight:600;border-bottom:3px solid transparent;padding-top:3px}.nav a>span{font-size:12px}.nav a.on{color:#0861cd;border-color:#0872ee}.nav a:hover{color:#0767d8}.top-search{width:270px;flex:0 1 270px}.top-search input{width:100%;border:1px solid #e2eaf3;border-radius:24px;background:#f3f6fa;color:#163052;padding:11px 16px;font-size:13px;outline:none}.top-search input:focus{border-color:#75a7e9}.top-search input::placeholder{color:#879ab2}.account-weather{color:#5c80a4}.account-ring{border:2px solid #406080;width:27px;height:27px;border-radius:50%;display:inline-block}.mobile-search,.mobile-menu,.mobile-search-button,.mobile-menu-button{display:none}.blog-hero{max-width:1452px;height:275px;margin:20px auto 0;position:relative;border-radius:25px;overflow:hidden;background:#27476a;box-shadow:0 16px 36px #2f507316}.blog-hero>img{width:100%;height:100%;object-fit:cover;object-position:center 46%;display:block}.blog-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,27,52,.77) 0%,rgba(6,30,58,.55) 41%,rgba(4,37,65,.08) 90%);z-index:1}.hero-overlay{position:absolute;z-index:2;left:52px;top:59px;color:#fff}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:750}.hero-overlay h1{font-size:41px;letter-spacing:-.05em;line-height:1.13;margin:13px 0}.hero-overlay p{line-height:1.48;color:#eef4ff;font-size:15px;margin:0}.hero-keywords{display:flex;gap:6px;position:absolute;bottom:19px;right:20px;z-index:2}.hero-keywords span{background:#e9f3feea;color:#254565;border-radius:20px;padding:5px 11px;font-size:11px;font-weight:700}.page-wrap{max-width:1328px;margin:auto;padding:27px 14px 65px}.chips{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:5px}.chip{white-space:nowrap;border:1px solid #dbe7f3;border-radius:25px;background:#fff;color:#35516e;padding:9px 17px;font-size:12px;font-weight:700}.chip.selected{background:#1166cf;color:#fff;border-color:#1166cf;box-shadow:0 5px 12px #0865ba20}.section-head{display:flex;justify-content:space-between;align-items:center;margin:18px 0 13px}.section-head h2{font-size:24px;letter-spacing:-.035em;margin:0;color:#19304f}.section-head span{font-size:12px;color:#738baa}.blog-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:16px}.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e0e9f4;border-radius:16px;overflow:hidden;min-height:293px;box-shadow:0 8px 22px #1c4e7910;transition:transform .18s,box-shadow .18s}.post-card:hover{transform:translateY(-3px);box-shadow:0 15px 35px #23496a22}.post-card:focus-visible{outline:3px solid #1684ea}.thumb{height:136px;width:100%;object-fit:cover;display:block}.card-body{padding:15px 16px 17px;flex:1;display:flex;flex-direction:column}.tag,.article-label{align-self:flex-start;border-radius:20px;background:#e8f1ff;color:#2364bd;padding:4px 10px;font-weight:700;font-size:11px}.card-body h3{font-size:15px;line-height:1.35;letter-spacing:-.012em;margin:10px 0 9px;color:#17304f}.card-excerpt{display:none}.card-foot{display:flex;gap:13px;margin-top:auto;padding-top:22px;font-size:11px;color:#8aa0b9;font-weight:600}.side-card{background:#fff;border:1px solid #e0e9f3;border-radius:16px;padding:20px}.side-card h3{font-size:17px;margin:0 0 18px}.blog-sidebar .side-card>a{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #e8eff7;color:#526c8c;font-size:12px;gap:20px}.blog-sidebar .side-card>a span{font-size:17px}.side-note{background:#eef5fd;border-radius:14px;color:#41678f;font-size:12px;line-height:1.55;padding:15px;margin-top:22px}.footer{border-top:1px solid #e4ebf3;padding:22px max(calc((100vw - 1300px)/2),25px);display:flex;gap:40px;align-items:center;background:#fff;color:#7489a4;font-size:12px}.footer .logo{font-size:15px}.article-wrap{max-width:1180px;padding:20px 14px 90px;margin:auto}.breadcrumbs{display:flex;gap:12px;align-items:center;color:#7a91ad;font-size:12px;padding:4px 0 32px}.breadcrumbs a:hover{color:#1264cc}.article-layout{display:grid;grid-template-columns:minmax(0,762px) 256px;justify-content:space-between;gap:54px}.article-main{min-width:0}.article-main h1{margin:17px 0 20px;font-size:39px;line-height:1.16;letter-spacing:-.05em;color:#16304f}.article-subtitle{font-size:16px;line-height:1.6;color:#526b88;margin:0 0 15px}.byline{color:#8498b1;font-size:12px;display:flex;gap:20px;flex-wrap:wrap;border-bottom:1px solid #dce6f0;padding-bottom:18px;margin-bottom:21px}.article-cover{display:block;width:100%;height:209px;object-fit:cover;border-radius:14px}.quick-answer{margin:22px 0 28px;padding:20px 22px;background:#e7f1ff;border:1px solid #cfe3fd;border-radius:14px;color:#2c527c;font-size:15px;line-height:1.6}.quick-answer b{color:#1e4774}.editorial-note{border-left:4px solid #c08410;background:#fff5db;color:#704c0d;padding:12px 18px;margin:16px 0;border-radius:8px;font-size:13px}.article-content{font-size:15.5px;line-height:1.83;color:#425f7c}.article-content h2{font-size:24px;letter-spacing:-.025em;line-height:1.25;color:#183351;margin:30px 0 12px;scroll-margin-top:24px}.article-content h3{font-size:19px;line-height:1.34;color:#203c5d;margin:23px 0 9px;scroll-margin-top:24px}.article-content p{margin:0 0 17px}.article-content ul,.article-content ol{padding-left:24px;margin:12px 0 22px}.article-content li{margin-bottom:8px}.article-content a{color:#066fd7;text-decoration:underline;text-underline-offset:2px}.article-content strong{color:#1c3f67}.article-content blockquote{border-left:3px solid #2781d8;padding-left:18px;margin:22px 0;color:#405d81;background:#edf5fd}.table-scroll{overflow-x:auto;margin:20px 0}.table-scroll table{border-collapse:collapse;min-width:500px;width:100%;line-height:1.5;font-size:13px}.table-scroll th{background:#eaf3fe;color:#284f7d;text-align:left}.table-scroll th,.table-scroll td{border:1px solid #dbe6f2;padding:11px 12px;vertical-align:top}.table-scroll tr:nth-child(even){background:#f8fbfe}.toc{position:sticky;top:18px}.toc a{display:block;padding:10px 12px 10px 15px;color:#748ba8;font-size:12px;border-left:2px solid #dce7f3;line-height:1.35}.toc a:first-of-type{color:#056cd2;border-color:#116ded;font-weight:700}.toc a:hover{color:#056cd2}.source-panel{padding:18px;background:#eaf3fe;border-radius:16px;margin-top:16px;color:#48698d;font-size:12px;line-height:1.55}.source-panel b{color:#2e5078}.source-panel p{margin:3px 0 9px}.source-panel a{color:#096ad7;font-weight:700}.related{border-top:1px solid #dce7f3;margin-top:46px;padding-top:20px}.related>h2{font-size:23px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-grid .thumb{height:85px}.related-grid .post-card{min-height:210px}.related-grid .card-body{padding:10px}.related-grid .card-body h3{font-size:12px}.related-grid .card-foot{padding-top:12px;font-size:9px}.related-grid .card-type{display:none}.no-results{padding:20px;color:#6d839e}.no-results a{color:#06c;text-decoration:underline}@media(max-width:1330px){.blog-hero{margin-left:20px;margin-right:20px}.nav{gap:15px}.top-in{gap:16px}.top-search{width:220px;flex-basis:220px}.blog-layout{grid-template-columns:minmax(0,1fr) 250px}}@media(max-width:1000px){.top-search,.account-weather{display:none}.nav{gap:13px}.article-layout{grid-template-columns:minmax(0,1fr) 225px;gap:26px}.blog-layout{grid-template-columns:minmax(0,1fr) 215px}.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-overlay h1{font-size:36px}.hero-overlay{left:30px}}@media(max-width:690px){body{background:#f6f9fe;font-size:13px}.top{height:58px}.top-in{padding:0 16px;gap:16px}.logo{font-size:17px;letter-spacing:.29em}.top-in .nav,.account-weather,.account-ring,.top-search{display:none}.mobile-search-button,.mobile-menu-button{display:block;background:transparent;border:0;font-size:22px;color:#183558;cursor:pointer;padding:0}.mobile-search-button{margin-left:auto}.mobile-menu-button{font-size:19px}.mobile-search{display:none;position:absolute;top:58px;left:0;right:0;background:#fff;padding:13px 16px;box-shadow:0 5px 15px #153f6520}.mobile-search.show{display:flex;gap:8px}.mobile-search input{width:100%;min-width:0;border:1px solid #d5e2f1;border-radius:8px;padding:10px}.mobile-search button{background:#0e66c8;border:none;color:white;border-radius:8px}.mobile-menu{display:none;position:absolute;top:58px;left:0;right:0;background:#fff;box-shadow:0 6px 15px #153f6520;padding:10px 20px}.mobile-menu.show{display:grid}.mobile-menu a{padding:9px 0;border-bottom:1px solid #f0f2f5}.blog-hero{height:150px;border-radius:11px;margin:0 4px;box-shadow:none}.blog-hero>img{object-position:65% center}.blog-hero:before{background:linear-gradient(90deg,rgba(9,28,55,.72),rgba(9,34,65,.36) 90%)}.hero-overlay{top:30px;left:18px;right:12px}.eyebrow{font-size:9px;letter-spacing:.06em}.hero-overlay h1{font-size:22px;line-height:1.06;letter-spacing:-.03em;margin:6px 0}.hero-overlay p{font-size:11px;line-height:1.3;max-width:230px}.hero-keywords{display:none}.desktop-only{display:none}.page-wrap{padding:10px 14px 45px}.chips{gap:6px;margin-right:-14px;padding-bottom:10px}.chip{padding:6px 10px;font-size:10px}.section-head{margin:12px 0}.section-head h2{font-size:20px}.section-head span,.blog-sidebar{display:none}.blog-layout{display:block}.post-grid{display:flex;flex-direction:column;gap:0}.post-card{display:grid;grid-template-columns:74px minmax(0,1fr) auto;gap:10px;border:0;border-bottom:1px solid #e0eaf4;border-radius:0;box-shadow:none;background:transparent;min-height:0;padding:8px 0}.post-card:hover{transform:none;box-shadow:none}.thumb{height:60px;width:74px;border-radius:7px}.card-body{padding:0;min-width:0}.card-body h3{font-size:12px;line-height:1.25;margin:0;color:#142a49}.tag,.card-excerpt,.card-type{display:none}.card-foot{padding-top:5px;font-size:9px}.article-wrap{padding:12px 19px 45px}.breadcrumbs{padding:0 0 18px;gap:8px;font-size:10px}.article-layout{display:block}.article-main h1{font-size:22px;line-height:1.13;margin:11px 0 12px;letter-spacing:-.02em}.article-label{display:none}.article-subtitle{font-size:12px;margin-bottom:12px;line-height:1.4}.byline{font-size:10px;gap:10px;padding-bottom:13px;margin-bottom:13px}.byline span:nth-child(2){display:none}.article-cover{height:142px;border-radius:9px}.article-aside{display:none}.quick-answer{font-size:12px;line-height:1.45;padding:14px;margin:12px 0 20px}.article-content{font-size:13px;line-height:1.68}.article-content h2{font-size:20px;margin:24px 0 12px}.article-content h3{font-size:16px}.table-scroll table{font-size:12px}.editorial-note{font-size:11px}.related-grid{display:block}.related-grid .post-card{min-height:0}.related-grid .post-card .thumb{height:60px}.footer{padding:20px;display:flex;flex-wrap:wrap;gap:8px;font-size:10px}.footer .logo{font-size:12px;width:100%}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}