:root{color:#0f172a;font-synthesis:none;--blue:#304cff;--muted:#667085;--line:#e8ebf1;--navy:#0f172a;background:#fff;font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans KR,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{word-break:keep-all;-webkit-font-smoothing:antialiased;margin:0}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline-offset:5px;outline:3px solid #304cff}a,button{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img,svg{max-width:100%}img{height:auto}h1,h2,h3,p{margin:0}::selection{background:#dce2ff}.skip-link{z-index:20;border:2px solid var(--blue);background:#fff;padding:14px;position:absolute;top:-100px;left:16px}.skip-link:focus{top:10px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.site-header{border-bottom:1px solid var(--line);z-index:5;background:#fffffff5;height:84px;position:relative}.header-inner,.content-wrap,.footer-inner{max-width:1160px;margin:0 auto;padding:0 28px}.header-inner{justify-content:space-between;align-items:center;height:100%;display:flex}.brand{align-items:center;display:inline-flex}.wordmark{letter-spacing:-1.9px;color:#111a31;align-items:baseline;font-size:30px;display:inline-flex}.wordmark strong{font-weight:850}.wordmark>span{font-weight:450}.wordmark i{background:var(--blue);border-radius:50%;width:6px;height:6px;margin-left:4px}.site-header nav{align-items:center;gap:32px;font-size:14px;font-weight:600;display:flex}.site-header nav>a:not(.nav-cta){color:#475467;padding:16px 0}.site-header nav>a[aria-current=page]{color:var(--blue)}.site-header nav span{margin-left:4px}.nav-cta,.primary-button{background:var(--blue);color:#fff;border-radius:8px;justify-content:center;align-items:center;gap:25px;padding:13px 19px;font-size:14px;font-weight:650;transition:background .2s,transform .2s;display:inline-flex}.nav-cta:hover,.primary-button:hover{background:#223ad7;transform:translateY(-2px)}.hero{background:#f9faff;border-bottom:1px solid #eef0f6;min-height:492px;position:relative;overflow:hidden}.hero:after{content:"";pointer-events:none;background:radial-gradient(#5977ff24,#0000 65%);width:700px;height:500px;position:absolute;top:70px;left:50%}.hero-grid{background-image:linear-gradient(#e6eafa70 1px,#0000 1px),linear-gradient(90deg,#e6eafa70 1px,#0000 1px);background-size:48px 48px;position:absolute;inset:0;mask-image:linear-gradient(90deg,#0000,#000 65%,#0000)}.hero-content{z-index:1;max-width:1160px;margin:0 auto;padding:73px 28px 79px;position:relative}.eyebrow{color:var(--blue);letter-spacing:1.8px;align-items:center;gap:9px;font-size:11px;font-weight:750;display:flex}.eyebrow>span{background:var(--blue);border-radius:50%;width:7px;height:7px;display:inline-block;box-shadow:0 0 0 4px #304cff10}.hero h1{letter-spacing:-2.7px;margin-top:26px;font-size:50px;font-weight:750;line-height:1.35}.hero h1>span{color:var(--blue)}.hero p{color:var(--muted);letter-spacing:-.35px;margin-top:22px;font-size:16px;line-height:1.85}.text-link{color:var(--blue);align-items:center;gap:20px;font-size:13px;font-weight:650;display:inline-flex}.hero .text-link{margin-top:28px}.hero-note{z-index:1;text-align:right;color:#8991a5;letter-spacing:1.1px;flex-direction:column;gap:8px;font-size:11px;display:flex;position:absolute;bottom:37px;right:max(28px,50vw - 552px)}.hero-note span:first-child{letter-spacing:0}.featured-section{padding-top:61px}.section-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;display:flex}.section-heading h2{letter-spacing:-.7px;font-size:22px;font-weight:720}.section-heading>span{color:#8b93a6;letter-spacing:1.5px;font-size:10px;font-weight:650}.featured-card{border:1px solid #e5e9f2;border-radius:16px;grid-template-columns:1.04fr 1fr;transition:box-shadow .25s,border-color .25s;display:grid;overflow:hidden}.featured-card:hover{border-color:#b8c3fa;box-shadow:0 12px 35px #1526600a}.article-art{min-height:330px;color:var(--navy);background:#edf2ff;place-items:center;display:grid;position:relative;overflow:hidden}.art-grid{background-image:linear-gradient(#c9d5fa50 1px,#0000 1px),linear-gradient(90deg,#c9d5fa50 1px,#0000 1px);background-size:32px 32px;position:absolute;inset:0;mask-image:radial-gradient(#000,#0000 85%)}.article-art:after{content:"";pointer-events:none;background:radial-gradient(at 50% 80%,#b8c8ff42,#0000 80%);position:absolute;inset:0}.answer-visual{z-index:1;width:80%;max-width:350px;position:relative;transform:rotate(-5deg)}.visual-search{letter-spacing:-.4px;background:#fff;border:1px solid #d9e2ff;border-radius:10px;align-items:center;gap:10px;padding:17px 15px;font-size:12px;display:flex;box-shadow:0 8px 25px #132a6f12}.search-icon{border:1.8px solid #687dbf;border-radius:50%;width:12px;height:12px;display:block;position:relative}.search-icon:after{content:"";background:#687dbf;width:2px;height:5px;position:absolute;bottom:-3px;right:-3px;transform:rotate(-45deg)}.search-spark{color:var(--blue);margin-left:auto;font-size:19px}.visual-answer{background:#fff;border:1px solid #dbe3fb;border-radius:12px;margin:12px 14px 0;padding:21px;box-shadow:0 15px 25px #1434770a}.answer-kicker{letter-spacing:1.5px;color:var(--blue);font-size:8px;font-weight:750}.answer-line{background:#e8edf8;border-radius:4px;width:72%;height:6px;margin-top:10px;display:block}.answer-line.long{width:94%;margin-top:17px}.citation{color:#4b609d;background:#f5f7ff;border:1px solid #e6ebff;border-radius:5px;align-items:center;gap:7px;margin-top:19px;padding:10px 7px;font-size:8px;display:flex}.citation>span:last-child{margin-left:auto}.citation-dot{background:#415fff;border-radius:50%;width:12px;height:12px;display:block;box-shadow:inset 0 0 0 4px #d7dfff}.floating-star{color:var(--blue);text-shadow:0 5px 12px #304cff25;font-size:50px;line-height:1;position:absolute;bottom:12px;right:-20px}.featured-copy{align-self:center;padding:38px 38px 32px}.featured-label{align-items:center;gap:12px;margin-bottom:19px;display:flex}.category{color:var(--blue);font-size:11px;font-weight:700}.pick-label{color:#8b93a6;border-left:1px solid #dce0e9;padding-left:12px;font-size:10px}.featured-copy h3{letter-spacing:-1.05px;max-width:390px;font-size:26px;line-height:1.5}.featured-copy>p{color:var(--muted);max-width:360px;margin-top:13px;font-size:13px;line-height:1.9}.post-meta{color:#8891a2;align-items:center;gap:9px;font-size:10px;line-height:1.7;display:flex}.featured-copy .post-meta{margin-top:23px}.read-link{color:var(--blue);gap:44px;margin-top:27px;font-size:12px;font-weight:650;display:inline-flex}.articles-section{padding-top:68px;scroll-margin-top:35px}.count{color:#9ca6ba;vertical-align:middle;letter-spacing:0;margin-left:8px;font-size:13px;font-weight:500}.articles-section .section-heading>span{letter-spacing:0;font-size:11px;font-weight:400}.filter-bar{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:8px;margin-top:29px;margin-bottom:27px;padding-bottom:20px;display:flex}.filter-button{color:#6c7587;background:#fff;border:1px solid #e7eaf1;border-radius:6px;padding:9px 16px;font-size:11px;transition:background .15s,border-color .15s}.filter-button.active{border-color:var(--blue);background:var(--blue);color:#fff}.filter-button:hover:not(.active){background:#f4f6fe;border-color:#b6c0f1}.posts-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;display:grid}.post-card[hidden]{display:none}.post-card{background:#fff;border:1px solid #e9ecf3;border-radius:12px;min-width:0;transition:transform .2s,border-color .2s,box-shadow .2s;overflow:hidden}.post-card:hover{border-color:#bbc5f5;transform:translateY(-4px);box-shadow:0 12px 25px #13266009}.card-link{flex-direction:column;height:100%;display:flex}.card-cover{aspect-ratio:16/9;object-fit:cover;background:#f7f9fb;border-bottom:1px solid #eef0f6;width:100%;display:block}.featured-card .card-cover{object-fit:contain;border-bottom:0;border-right:1px solid #eef0f6;height:100%}.compact{min-height:210px}.compact .answer-visual{width:80%;max-width:260px}.compact .visual-search{border-radius:7px;gap:8px;padding:12px 11px;font-size:9px}.compact .search-icon{flex-shrink:0;width:9px;height:9px}.compact .search-spark{font-size:15px}.compact .visual-answer{border-radius:8px;margin:8px 10px 0;padding:14px}.compact .answer-kicker{font-size:6px}.compact .answer-line{height:4px;margin-top:8px}.compact .answer-line.long{margin-top:12px}.compact .citation{gap:4px;margin-top:12px;padding:7px 5px;font-size:6px}.compact .citation-dot{width:9px;height:9px;box-shadow:inset 0 0 0 3px #d7dfff}.compact .floating-star{font-size:35px;right:-10px}.art-1{background:#f0f1ff}.structure-visual{z-index:1;flex-direction:column;align-items:center;width:80%;display:flex;position:relative}.structure-label{color:#7c7dba;letter-spacing:1.8px;margin-bottom:18px;font-size:7px;font-weight:700}.structure-node{text-align:center;background:#fff;border:1px solid #d9dcf4;border-radius:7px;width:134px;padding:11px;font-size:11px;box-shadow:0 5px 12px #313d8107}.node-one{transform:translate(-29px)}.node-two{color:#fff;background:#5b61e8;border-color:#5b61e8;transform:translate(22px)}.node-three{transform:translate(-8px)}.node-three>span{color:#5b61e8;margin-left:8px}.connector{background:#babfe8;width:1px;height:12px;display:block}.connector.one{transform:rotate(-58deg)translate(2px)}.connector.two{transform:rotate(40deg)}.art-2{background:#edf5f5}.art-2 .art-grid{background-image:linear-gradient(#c2dedb55 1px,#0000 1px),linear-gradient(90deg,#c2dedb55 1px,#0000 1px)}.check-visual{z-index:1;background:#fff;border:1px solid #dbe9e8;border-radius:10px;width:78%;max-width:270px;padding:20px;position:relative;transform:rotate(-4deg);box-shadow:0 12px 30px #1d6e6c0a}.check-heading{letter-spacing:1.2px;color:#7b9b9b;margin-bottom:17px;font-size:7px;font-weight:750;display:block}.check-visual>div{color:#587171;border-top:1px solid #eff4f4;align-items:center;gap:8px;padding:9px 0;font-size:9px;display:flex}.check-visual b{color:#408d78;background:#e5f4ef;border-radius:50%;place-items:center;width:15px;height:15px;font-size:8px;display:grid}.check-visual i{background:#e6eeec;border-radius:3px;width:20px;height:3px;margin-left:auto}.card-copy{flex-direction:column;flex:1;padding:24px 22px 20px;display:flex}.card-copy h3{letter-spacing:-.6px;margin-top:12px;font-size:18px;line-height:1.55}.card-copy>p{color:#7c8595;margin-top:11px;font-size:11px;line-height:1.9}.card-copy .post-meta{gap:6px;margin-top:auto;padding-top:25px;font-size:9px}.card-arrow{color:#58637b;margin-left:auto;font-size:17px}.articles-end{color:#9ba2b0;text-align:center;padding-top:35px;font-size:11px}.site-cta{background:#f6f8ff;border:1px solid #e7ecfe;border-radius:14px;justify-content:space-between;align-items:center;gap:30px;margin:70px 0 76px;padding:43px 46px;display:flex;position:relative;overflow:hidden}.site-cta .eyebrow{letter-spacing:1.4px;font-size:9px}.site-cta h2{letter-spacing:-1px;margin-top:14px;font-size:27px;line-height:1.5}.site-cta p{color:#7a8498;margin-top:13px;font-size:11px;line-height:1.8}.site-cta .primary-button{white-space:nowrap;z-index:1;gap:34px;font-size:12px;position:relative}.cta-orbit{color:#e1e7ff;pointer-events:none;font-size:230px;line-height:1;position:absolute;top:-30px;right:240px;transform:rotate(15deg)}.site-cta>div:not(.cta-orbit){z-index:1;position:relative}.site-footer{border-top:1px solid var(--line);background:#fafbfe;padding:40px 0}.footer-inner{flex-wrap:wrap;align-items:flex-start;gap:40px;display:flex}.site-footer .wordmark{font-size:23px}.site-footer .wordmark i{width:4px;height:4px}.site-footer p{color:#939aaa;margin-top:12px;font-size:10px}.footer-links{color:#748096;gap:28px;margin-left:auto;padding-top:5px;font-size:11px;display:flex}.site-footer .copyright{color:#a2a9b6;width:100%;margin-top:0;font-size:9px}.article-wrap{max-width:1040px;margin:0 auto;padding:49px 28px 0}.back-link{color:#7a8499;gap:10px;font-size:12px;display:inline-flex}.back-link:hover{color:var(--blue)}.article-header{border-bottom:1px solid var(--line);max-width:800px;padding:42px 0 34px}.article-header h1{letter-spacing:-1.9px;margin-top:20px;font-size:40px;font-weight:750;line-height:1.4}.article-deck{color:#768096;max-width:720px;margin-top:22px;font-size:16px;line-height:1.9}.article-byline{align-items:center;gap:11px;margin-top:28px;display:flex}.author-mark{color:#fff;background:var(--blue);border-radius:50%;place-items:center;width:34px;height:34px;font-size:23px;font-weight:750;display:grid}.article-byline>span>strong{margin-bottom:3px;font-size:11px;font-weight:650;display:block}.article-byline .post-meta{font-size:10px}.updated-date{color:#8a94a7;margin-left:auto;font-size:10px}.article-cover{border:1px solid var(--line);background:#f7f9fb;border-radius:14px;width:100%;max-width:800px;margin-top:34px;display:block}.article-body-grid{grid-template-columns:minmax(0,680px) 210px;align-items:start;gap:66px;padding-top:42px;display:grid}.prose{color:#455067;overflow-wrap:anywhere;word-break:normal;font-size:16px;line-height:2}.prose>p{margin:0 0 24px}.prose h2{color:#15213c;letter-spacing:-.8px;margin:48px 0 19px;scroll-margin-top:30px;font-size:25px;line-height:1.5}.prose h2:first-child{margin-top:0}.prose h3{color:#15213c;margin:30px 0 15px;font-size:19px}.prose a{color:var(--blue);text-underline-offset:3px;text-decoration:underline}.prose strong{color:#25314b;font-weight:650}.prose ul,.prose ol{margin:0 0 28px;padding-left:23px}.prose li{margin-bottom:9px;padding-left:4px}.prose blockquote{border-left:3px solid var(--blue);color:#435586;background:#f6f8ff;margin:29px 0;padding:20px 25px;font-size:16px}.prose blockquote p{margin:0}.prose hr{border:0;border-top:1px solid var(--line);margin:38px 0}.prose pre{word-break:normal;border-radius:9px;padding:18px;font-size:13px;overflow:auto}.prose code{font-size:.88em}.prose table{border-collapse:collapse;width:100%;margin-bottom:28px;font-size:13px}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;padding:12px}.prose th{background:#f7f9fe}.article-aside{position:sticky;top:35px}.toc{border-left:1px solid var(--line);padding-left:20px}.toc h2{color:#33415c;font-size:11px;font-weight:700}.toc ol{gap:14px;margin:17px 0 0;padding:0;list-style:none;display:grid}.toc a{color:#8b94a5;font-size:11px;line-height:1.7;display:block}.toc a:hover{color:var(--blue)}.aside-note{background:#f7f9ff;border-radius:9px;margin-top:37px;padding:23px 20px}.aside-note>span{color:#8897c4;font-size:9px}.aside-note p{color:#465877;margin-top:10px;font-size:13px;line-height:1.7}.aside-note a{color:var(--blue);margin-top:17px;font-size:10px;display:block}.article-close{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:14px;max-width:680px;margin:49px 0 0;padding:31px 0;display:flex}.article-close>span{letter-spacing:1px;color:var(--blue);width:100%;font-size:9px}.article-close p{color:#6e7b92;font-size:13px}.article-close a{color:var(--blue);margin-left:auto;font-size:11px}.related-section{border-top:1px solid var(--line);margin-top:35px;padding-top:62px;padding-bottom:74px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:760px}.related-grid .compact{min-height:240px}@media (width>=1500px){.hero-content{padding-top:82px;padding-bottom:88px}.hero h1{font-size:54px}}@media (width<=900px){.hero h1{font-size:43px}.featured-copy{padding:27px}.featured-copy h3{font-size:23px}.featured-card .article-art{min-height:340px}.posts-grid{gap:16px}.card-copy{padding:20px 17px}.card-copy h3{font-size:16px}.card-copy>p{font-size:11px}.compact{min-height:185px}.card-copy .post-meta{flex-wrap:wrap}.site-cta{padding:36px 30px}.article-body-grid{grid-template-columns:minmax(0,1fr) 175px;gap:35px}.article-header h1{font-size:35px}.article-aside{top:25px}.hero-note{display:none}}@media (width<=680px){.site-header{height:70px}.header-inner,.content-wrap,.footer-inner{padding-left:22px;padding-right:22px}.wordmark{font-size:26px}.site-header nav{gap:20px;font-size:12px}.site-header nav>a:first-child{display:none}.nav-cta{border-radius:6px;padding:10px 12px;font-size:11px}.nav-cta span{display:none}.hero{min-height:405px}.hero-content{padding:55px 22px 54px}.eyebrow{letter-spacing:1.4px;font-size:9px}.hero h1{letter-spacing:-1.8px;margin-top:23px;font-size:34px;line-height:1.4}.hero p{margin-top:19px;font-size:13px;line-height:1.85}.hero .text-link{margin-top:25px;font-size:11px}.hero-grid{background-size:36px 36px}.hero:after{width:100%;top:70px;left:0}.featured-section{padding-top:36px}.section-heading{margin-bottom:19px}.section-heading h2{font-size:19px}.section-heading>span{letter-spacing:1px;font-size:8px}.featured-card{border-radius:12px;grid-template-columns:1fr}.featured-card .article-art{min-height:260px}.featured-card .card-cover{border-bottom:1px solid #eef0f6;border-right:0;height:auto}.article-cover{border-radius:10px;margin-top:26px}.answer-visual{max-width:300px}.featured-copy{padding:27px}.featured-copy h3{font-size:23px;line-height:1.5}.featured-copy>p{max-width:none;font-size:12px}.featured-copy .post-meta{margin-top:19px}.read-link{margin-top:22px}.featured-label{margin-bottom:14px}.articles-section{padding-top:42px}.articles-section .section-heading>span{display:none}.filter-bar{gap:7px;margin-top:21px;margin-bottom:21px;padding-bottom:18px}.filter-button{padding:9px 13px;font-size:10px}.posts-grid{grid-template-columns:1fr;gap:22px}.compact{min-height:225px}.compact .answer-visual{max-width:280px}.card-copy{padding:25px}.card-copy h3{font-size:20px}.card-copy>p{font-size:12px}.card-copy .post-meta{padding-top:22px;font-size:10px}.structure-label{font-size:8px}.structure-node{width:155px;padding:12px;font-size:12px}.check-visual{max-width:280px;padding:23px}.check-heading{font-size:8px}.check-visual>div{font-size:10px}.articles-end{padding-top:28px;font-size:10px}.site-cta{flex-direction:column;align-items:flex-start;gap:23px;margin:43px 0 45px;padding:30px 27px}.site-cta h2{font-size:24px}.site-cta p{font-size:11px}.cta-orbit{font-size:180px;top:45px;right:-15px}.site-cta .primary-button{padding:12px 17px;font-size:11px}.site-footer{padding:32px 0}.footer-inner{gap:25px}.footer-links{gap:20px;font-size:10px}.site-footer p{font-size:9px}.article-wrap{padding:31px 22px 0}.back-link{font-size:11px}.article-header{padding-top:34px;padding-bottom:28px}.article-header h1{letter-spacing:-1.2px;margin-top:16px;font-size:30px}.article-deck{margin-top:18px;font-size:14px;line-height:1.85}.article-body-grid{grid-template-columns:1fr;gap:0;padding-top:31px}.article-aside{grid-row:1;margin-bottom:35px;position:static}.toc{background:#f8faff;border:1px solid #e9edfa;border-radius:9px;padding:20px 22px}.toc ol{gap:9px;margin-top:13px}.toc a,.toc h2{font-size:12px}.aside-note{display:none}.prose{font-size:15px;line-height:1.95}.prose h2{letter-spacing:-.6px;margin-top:37px;font-size:23px}.prose h3{font-size:18px}.prose blockquote{padding:17px 20px;font-size:14px}.article-close{margin-top:32px;padding:26px 0}.article-close p{font-size:11px}.article-close a{font-size:10px}.related-section{padding-top:36px;padding-bottom:42px}.related-section .section-heading .text-link{font-size:11px}.related-grid{grid-template-columns:1fr}.updated-date{font-size:9px}.related-grid .compact{min-height:225px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}