:root{color-scheme:light;--bg:#f7f8fc;--surface:#fff;--surface-soft:#f2f4f9;--text:#1e2433;--muted:#737b8e;--line:#e7e9f0;--primary:#4e61df;--primary-dark:#3949bb;--primary-soft:#eef0ff;--mint:#d8f4e8;--shadow:0 12px 36px #29335c12;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Apple SD Gothic Neo,Malgun Gothic,맑은 고딕,sans-serif}:root[data-theme=dark]{color-scheme:dark;--bg:#111521;--surface:#1a2030;--surface-soft:#222a3b;--text:#eef0f8;--muted:#a0a8ba;--line:#32394a;--primary:#9ca7ff;--primary-dark:#c0c7ff;--primary-soft:#292e4d;--mint:#203b35;--shadow:0 12px 36px #00000038}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{color:var(--text);background:var(--bg);margin:0;font-size:15px;line-height:1.65}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{color:inherit}::selection{color:#fff;background:#5668dc}:focus-visible{outline-offset:3px;outline:3px solid #8995ff}[hidden]{display:none!important}.skip-link{z-index:20;color:#fff;background:#273270;border-radius:8px;padding:10px 14px;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{z-index:10;background:color-mix(in srgb, var(--bg) 90%, transparent);border-bottom:1px solid color-mix(in srgb, var(--line) 65%, transparent);backdrop-filter:blur(16px);height:74px;position:sticky;top:0}.header-inner,.footer-inner{align-items:center;width:min(1120px,100% - 48px);height:100%;margin:0 auto;display:flex}.header-inner{justify-content:space-between}.brand{letter-spacing:-.7px;align-items:center;gap:10px;font-size:18px;font-weight:800;display:inline-flex}.brand-mark{color:#fff;background:var(--primary);border-radius:12px 12px 12px 4px;place-items:center;width:35px;height:35px;font-size:21px;font-weight:800;display:grid}.brand small{color:var(--muted);letter-spacing:0;margin-top:-3px;font-size:10px;font-weight:500;display:block}.header-nav{color:var(--muted);align-items:center;gap:27px;font-size:13px;font-weight:600;display:flex}.header-nav a:hover,.footer-inner a:hover{color:var(--primary)}.theme-toggle{width:35px;height:35px;color:var(--muted);background:var(--surface);border:1px solid var(--line);cursor:pointer;border-radius:50%;padding:0}.hero{background:radial-gradient(ellipse at 78% 45%, color-mix(in srgb, var(--primary-soft) 74%, transparent), transparent 34%), var(--bg);min-height:450px;display:flex;position:relative;overflow:hidden}.hero-inner{z-index:1;width:min(1120px,100% - 48px);margin:0 auto;padding:65px 0 58px;position:relative}.hero-kicker,.eyebrow{color:var(--primary);letter-spacing:1px;text-transform:uppercase;align-items:center;gap:8px;font-size:11px;font-weight:700;display:inline-flex}.status-dot{background:#38bf88;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #38bf8829}.hero h1{letter-spacing:-2.7px;margin:18px 0 10px;font-size:clamp(37px,5vw,58px);line-height:1.2}.hero h1 span{color:var(--primary)}.hero-inner>p{color:var(--muted);margin:0;font-size:15px}.search-box{background:var(--surface);border:1px solid var(--line);width:min(560px,100%);height:58px;box-shadow:var(--shadow);border-radius:13px;align-items:center;gap:12px;margin-top:30px;padding:0 16px;display:flex}.search-box>span{color:var(--primary);font-size:27px;line-height:1}.search-box input{width:100%;min-width:0;color:var(--text);background:0 0;border:0;outline:0;padding:0;font-size:13px}.search-box input::placeholder{color:#a1a7b5}.search-box kbd{color:var(--muted);background:var(--surface-soft);border:1px solid var(--line);border-radius:5px;padding:2px 7px;font-size:11px}.hero-tags{color:var(--muted);align-items:center;gap:8px;margin-top:15px;font-size:11px;display:flex}.hero-tags a{color:var(--muted);background:var(--surface-soft);border-radius:20px;padding:4px 9px}.hero-tags a:hover{color:var(--primary);background:var(--primary-soft)}.hero-decoration{width:310px;height:335px;position:absolute;top:46px;right:max(50vw - 514px,4vw)}.decor-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;flex-direction:column;justify-content:center;display:flex;position:absolute}.decor-card-back{width:190px;height:116px;color:var(--primary);padding:22px;font-size:24px;font-weight:700;top:30px;right:8px;transform:rotate(8deg)}.decor-card-front{z-index:1;width:215px;height:175px;padding:24px;top:105px;right:58px;transform:rotate(-4deg)}.decor-card-front>span,.decor-card-front small{color:var(--muted);font-size:11px}.decor-card-front strong{letter-spacing:-4px;margin:3px 0;font-size:54px;line-height:1.2}.decor-card-front strong span{color:var(--primary);font-size:28px}.decor-orbit{background:var(--mint);opacity:.9;border-radius:50%;width:100px;height:100px;position:absolute;bottom:9px;right:4px}.content-section,.page-shell{width:min(1120px,100% - 48px);margin:0 auto}.content-section{padding:57px 0 8px}.featured-section{padding-top:44px}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px;display:flex}.section-heading h2{letter-spacing:-.8px;margin:3px 0 0;font-size:25px}.section-heading .eyebrow{font-size:10px}.text-link{color:var(--primary);font-size:12px;font-weight:700}.result-count{color:var(--muted);padding-bottom:4px;font-size:12px}.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;display:grid}.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:13px;align-items:flex-start;gap:13px;min-height:105px;padding:17px;transition:border-color .18s,transform .18s,box-shadow .18s;display:flex}.tool-card:hover{border-color:color-mix(in srgb, var(--primary) 46%, var(--line));transform:translateY(-2px);box-shadow:0 9px 25px #37428214}.tool-icon{width:38px;height:38px;color:var(--primary);background:var(--primary-soft);border-radius:11px;flex:0 0 38px;place-items:center;font-size:17px;font-weight:700;display:grid}.tool-card-content{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.tool-card-content strong{font-size:13px;font-weight:700}.tool-card-content small{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:11px;line-height:1.55;display:-webkit-box;overflow:hidden}.tool-arrow{color:#a1a8b6;padding-top:1px;font-size:14px}.all-tools-section{padding-top:65px;padding-bottom:80px}.category-pills{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.category-pill{color:var(--muted);background:var(--surface);border:1px solid var(--line);cursor:pointer;border-radius:22px;padding:7px 13px;font-size:11px}.category-pill:hover,.category-pill.is-active{color:#fff;background:var(--primary);border-color:var(--primary)}.no-search-results{color:var(--muted);text-align:center;padding:30px}.page-shell{padding-top:26px;padding-bottom:75px}.breadcrumbs{margin-bottom:26px}.breadcrumbs ol{color:var(--muted);flex-wrap:wrap;gap:9px;margin:0;padding:0;font-size:11px;list-style:none;display:flex}.breadcrumbs li+li:before{color:#b1b6c1;content:"/";padding-right:9px}.breadcrumbs a:hover{color:var(--primary)}.calculator-hero{max-width:760px;margin-bottom:25px}.calculator-hero h1,.simple-page-heading h1{letter-spacing:-1.5px;margin:5px 0 7px;font-size:clamp(30px,4vw,40px);line-height:1.3}.calculator-hero p,.simple-page-heading>p{color:var(--muted);margin:0;font-size:14px}.calculator-card{background:var(--surface);border:1px solid var(--line);max-width:850px;box-shadow:var(--shadow);border-radius:18px;padding:27px}.calculator-card-heading{justify-content:space-between;align-items:center;margin-bottom:22px;display:flex}.calculator-card-heading h2{letter-spacing:-.5px;margin:4px 0 0;font-size:19px}.calculator-symbol{width:47px;height:47px;color:var(--primary);background:var(--primary-soft);border-radius:14px;place-items:center;font-size:23px;font-weight:700;display:grid}.calculator-card-heading .eyebrow{font-size:9px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px 15px;display:grid}.field{min-width:0}.field-full{grid-column:1/-1}.field label{margin-bottom:7px;font-size:12px;font-weight:700;display:block}.field input,.field select,.field textarea{width:100%;min-height:45px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:9px;outline:none;padding:10px 12px;font-size:13px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 15%, transparent)}.field textarea{resize:vertical;min-height:145px}.field-help{color:var(--muted);margin-top:5px;font-size:10px;display:block}.form-actions{flex-wrap:wrap;justify-content:flex-end;gap:9px;margin-top:18px;display:flex}.button{cursor:pointer;border:1px solid #0000;border-radius:8px;min-height:39px;padding:8px 14px;font-size:11px;font-weight:700}.button-secondary{color:var(--muted);background:var(--surface);border-color:var(--line)}.button-quiet{color:var(--primary);background:var(--primary-soft)}.button:disabled{opacity:.48;cursor:not-allowed}.result-panel{background:var(--surface-soft);border-radius:11px;gap:0;margin-top:15px;padding:3px 16px;display:grid}.result-placeholder{color:var(--muted);margin:11px 0;font-size:12px}.result-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:16px;padding:11px 0;display:flex}.result-row:last-child{border-bottom:0}.result-label{color:var(--muted);font-size:11px}.result-value{color:var(--primary-dark);text-align:right;font-size:15px;font-weight:700}.result-error{color:#b34242;background:#fff1f0;padding:13px 16px;font-size:12px;display:block}:root[data-theme=dark] .result-error{color:#ffb4ad;background:#452b31}.ad-slot{text-align:center;max-width:850px;min-height:1px;margin:22px 0}.article-content{max-width:790px;margin-top:42px}.article-content section{margin:0 0 28px}.article-content h2{letter-spacing:-.4px;margin:0 0 10px;font-size:19px}.article-content p,.article-content li{color:var(--muted);font-size:13px;line-height:1.9}.article-content p{margin:0 0 11px}.article-content ol{gap:6px;margin:0;padding-left:21px;display:grid}.article-content li::marker{color:var(--primary);font-weight:700}.article-content a{color:var(--primary);text-underline-offset:3px;text-decoration:underline}.faq-section{padding-top:7px}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;padding:15px 0;font-size:13px;font-weight:700;list-style-position:inside}.faq-item p{padding:0 0 14px 22px}.related-section{margin-top:52px}.related-section .section-heading{margin-bottom:16px}.related-section .section-heading h2{font-size:21px}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.simple-page{min-height:65vh}.simple-page-heading{margin:12px 0 31px}.simple-page-heading h1{margin-top:6px}.simple-page .article-content{margin-top:0}.simple-page .article-content section{margin-bottom:27px}.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:31px 0 29px}.footer-inner{flex-direction:column;align-items:flex-start;gap:8px;height:auto}.footer-brand{font-size:16px;font-weight:800}.footer-inner p{color:var(--muted);margin:0;font-size:11px}.footer-inner nav{color:var(--muted);gap:17px;margin:5px 0;font-size:11px;display:flex}.footer-inner>small{color:#9aa1af;font-size:10px}@media (width<=850px){.hero-decoration{transform-origin:100%;opacity:.8;right:3vw;transform:scale(.83)}.hero-inner{z-index:2}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=620px){body{font-size:14px}.header-inner,.footer-inner,.hero-inner,.content-section,.page-shell{width:min(100% - 32px,520px)}.site-header{height:64px}.header-nav{gap:15px;font-size:12px}.header-nav a:nth-child(2){display:none}.hero{min-height:390px}.hero-inner{padding:54px 0 40px}.hero h1{letter-spacing:-2px;font-size:42px}.hero-inner>p{max-width:270px;font-size:13px}.hero-decoration{opacity:.23;top:159px;right:-75px;transform:scale(.56)}.search-box{height:54px;margin-top:25px}.search-box input{font-size:12px}.content-section{padding-top:43px}.featured-section{padding-top:34px}.section-heading h2{font-size:22px}.section-heading{align-items:end}.tool-grid{grid-template-columns:1fr;gap:9px}.featured-grid{grid-template-columns:1fr 1fr}.featured-grid .tool-card{flex-direction:column;gap:8px;min-height:127px;padding:13px}.featured-grid .tool-icon{flex-basis:33px;width:33px;height:33px}.featured-grid .tool-arrow{display:none}.featured-grid .tool-card-content strong{font-size:11px}.featured-grid .tool-card-content small{font-size:10px}.text-link{white-space:nowrap;font-size:10px}.all-tools-section{padding-top:51px;padding-bottom:60px}.page-shell{padding-top:19px}.breadcrumbs{margin-bottom:21px}.calculator-hero{margin-bottom:20px}.calculator-hero h1,.simple-page-heading h1{font-size:31px}.calculator-hero p,.simple-page-heading>p{font-size:12px}.calculator-card{border-radius:14px;padding:19px 15px}.calculator-card-heading{margin-bottom:17px}.calculator-card-heading h2{font-size:17px}.calculator-symbol{width:40px;height:40px}.form-grid{grid-template-columns:1fr;gap:13px}.field-full{grid-column:auto}.field input,.field select,.field textarea{min-height:43px}.form-actions{justify-content:stretch}.form-actions .button{flex:1}.result-row{flex-direction:column;align-items:flex-start;gap:2px}.result-value{text-align:left}.article-content{margin-top:35px}.article-content h2{font-size:17px}.article-content p,.article-content li{font-size:12px}.related-grid{grid-template-columns:1fr}.site-footer{padding:25px 0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}