/* LHTSOFT service portal. No external styles/fonts or client-side frameworks. */
:root{color-scheme:light;--bg:#f7f9fc;--surface:#fff;--ink:#18273c;--muted:#64758b;--line:#e5ebf3;--blue:#2563eb;--blue-hover:#1d4ed8;--blue-soft:#eaf2ff;--raised:0 12px 36px rgba(36,67,111,.045);--focus:#397ef8;--page-width:1220px}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0d1421;--surface:#151e2e;--ink:#eff5ff;--muted:#9caec6;--line:#28374e;--blue:#79a8ff;--blue-hover:#aacbff;--blue-soft:#203658;--raised:0 12px 36px rgba(0,0,0,.16);--focus:#86b3ff}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--bg:#0d1421;--surface:#151e2e;--ink:#eff5ff;--muted:#9caec6;--line:#28374e;--blue:#79a8ff;--blue-hover:#aacbff;--blue-soft:#203658;--raised:0 12px 36px rgba(0,0,0,.16);--focus:#86b3ff}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR","Noto Sans",Arial,sans-serif;font-size:15px;-webkit-font-smoothing:antialiased}body[data-page]{display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}a,button,input,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:3px}h1,h2,h3,p{margin:0}img{max-width:100%}[hidden]{display:none!important}.visually-hidden{position:absolute!important;clip:rect(0,0,0,0);clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}.skip-link{position:absolute;top:-100px;left:14px;background:var(--blue);color:var(--surface);padding:11px 16px;z-index:100}.skip-link:focus{top:12px}
.site-header{border-bottom:1px solid var(--line);background:var(--surface);position:relative;z-index:5}.header-inner{max-width:calc(var(--page-width) + 64px);padding:0 32px;margin:auto;min-height:76px;display:flex;align-items:center;gap:clamp(22px,4vw,56px)}.brand{display:flex;align-items:center;flex-shrink:0;padding:5px 0}.brand-logo{width:148px;height:auto;max-height:26px;display:block}.brand .logo-dark{display:none}:root[data-theme="dark"] .brand .logo-light{display:none}:root[data-theme="dark"] .brand .logo-dark{display:block}@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand .logo-light{display:none}:root:not([data-theme="light"]) .brand .logo-dark{display:block}}.header-links{display:flex;align-items:center;gap:29px}.header-links a{font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap;padding:27px 0;position:relative}.header-links a:hover,.header-links a.active{color:var(--ink)}.header-links a.active:after{content:"";position:absolute;height:2px;bottom:-1px;background:var(--blue);left:0;right:0}.header-settings{margin-inline-start:auto;display:flex;align-items:center;gap:9px}.language-wrap{display:flex;align-items:center}.language-wrap select{width:125px;min-width:0;max-width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:12px}.theme-toggle{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--muted);font-size:21px;line-height:1}.theme-toggle:hover{background:var(--blue-soft);color:var(--blue)}
.portal-main,.about-main{width:100%;max-width:calc(var(--page-width) + 64px);padding:0 32px;margin-inline:auto;flex:1}.intro{text-align:center;padding:68px 0 59px}.intro-eyebrow,.section-kicker{font-size:10px;letter-spacing:.17em;font-weight:800;color:var(--blue)}.intro h1{font-size:clamp(32px,4.6vw,57px);font-weight:800;letter-spacing:-.055em;line-height:1.19;margin:19px auto 13px;word-break:keep-all}.intro p{color:var(--muted);font-size:clamp(13px,1.25vw,16px);line-height:1.75;max-width:610px;margin-inline:auto}.search-area{max-width:650px;margin:35px auto 0;display:flex;align-items:center;height:60px;border:1px solid #d9e2f0;background:var(--surface);border-radius:17px;padding:0 18px 0 20px;gap:12px;box-shadow:0 15px 45px rgba(28,70,130,.065);transition:border .2s,box-shadow .2s}.search-area:focus-within{border-color:var(--blue);box-shadow:0 10px 35px rgba(37,99,235,.13)}:root[data-theme="dark"] .search-area{border-color:var(--line)}.search-icon{width:21px;height:21px;flex-shrink:0;fill:none;stroke:var(--muted);stroke-width:2;stroke-linecap:round}.search-area input{border:0;background:transparent;outline:0;color:var(--ink);width:100%;min-width:0;font-size:15px}.search-area input::-webkit-search-cancel-button{cursor:pointer}.search-area input::placeholder{color:var(--muted);opacity:.8}.shortcut{font-size:12px;border:1px solid var(--line);border-radius:6px;color:var(--muted);padding:2px 8px;flex-shrink:0}
.tool-section{padding-bottom:15px}.section-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:21px;gap:16px}.section-title h2{margin-top:10px;font-size:22px;font-weight:750;letter-spacing:-.045em}.tool-count{font-size:12px;font-weight:700;min-width:30px;text-align:center;background:var(--blue-soft);border-radius:50px;padding:7px 12px;color:var(--blue)}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:21px}.filter{font-size:12px;font-weight:600;white-space:nowrap;padding:9px 16px;border:1px solid var(--line);background:var(--surface);border-radius:100px;color:var(--muted);transition:background .2s,color .2s}.filter:hover{color:var(--blue);border-color:var(--blue)}.filter.active{background:var(--ink);border-color:var(--ink);color:var(--surface)}
.tool-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.tool-card{min-width:0;min-height:244px;position:relative;border:1px solid var(--line);border-radius:19px;background:var(--surface);box-shadow:var(--raised);padding:26px 18px 17px;display:flex;flex-direction:column;align-items:flex-start;gap:0;transition:border-color .2s,transform .2s,box-shadow .2s}.tool-card:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:0 16px 35px rgba(45,92,165,.10)}.tool-card:active{transform:translateY(-1px)}.tool-icon{display:block;width:72px;height:72px;margin-bottom:17px;flex-shrink:0}.tool-icon img{display:block;width:100%;height:100%;object-fit:contain;border-radius:16px}.tool-title{font-size:15px;font-weight:750;line-height:1.35;letter-spacing:-.035em;max-width:100%;overflow-wrap:anywhere}.tool-description{font-size:11px;line-height:1.6;color:var(--muted);margin-top:7px;min-height:34px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tool-meta{display:flex;gap:7px;flex-wrap:wrap;align-items:center;margin-top:auto;padding-top:18px}.tool-type,.tool-status{font-size:10px;font-weight:600;color:var(--muted);border-radius:20px}.tool-type{display:none}.tool-status.is-live{color:#137c53}.tool-status.is-development{color:var(--muted)}:root[data-theme="dark"] .tool-status.is-live{color:#72d7aa}.tool-beta-badge{position:absolute;top:18px;inset-inline-end:43px;display:inline-flex;align-items:center;justify-content:center;padding:4px 7px;min-height:23px;border:1px solid var(--blue);border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:10px;line-height:1;font-weight:800;letter-spacing:.045em;white-space:nowrap;pointer-events:none}.tool-open{position:absolute;top:18px;inset-inline-end:18px;color:#99a9bd;font-size:17px;line-height:1}.tool-card:hover .tool-open{color:var(--blue)}.empty-state{text-align:center;padding:50px 15px;border:1px dashed var(--line);border-radius:16px;color:var(--muted);font-size:14px}
.portal-detail{margin:57px 0 12px;padding:28px 34px;display:flex;align-items:center;gap:23px;background:var(--blue-soft);border-radius:18px}.detail-mark{width:54px;height:54px;border-radius:17px;background:var(--surface);color:var(--blue);display:grid;place-items:center;font-size:28px;flex-shrink:0}.portal-detail h2{font-size:18px;font-weight:750;letter-spacing:-.045em}.portal-detail p{color:var(--muted);font-size:12px;margin-top:7px;line-height:1.65}.detail-link{display:inline-flex;align-items:center;gap:11px;margin-inline-start:auto;font-size:12px;font-weight:700;white-space:nowrap;color:var(--blue)}.detail-link:hover{text-decoration:underline}
.site-footer{border-top:1px solid var(--line);margin-top:62px;background:var(--surface)}.footer-inner{max-width:calc(var(--page-width) + 64px);margin:auto;padding:24px 32px;display:grid;grid-template-columns:1fr auto auto;align-items:center;column-gap:33px;row-gap:10px;color:var(--muted);font-size:12px}.footer-brand{display:flex;flex-direction:column;gap:6px}.footer-brand strong{color:var(--ink);font-size:14px;font-weight:800;letter-spacing:-.03em}.footer-brand span{font-size:11px}.site-footer nav{display:flex;gap:18px;font-size:12px}.site-footer a:hover{color:var(--blue)}.footer-email{font-size:12px}.footer-inner small{grid-column:1/-1;text-align:end;color:var(--muted);font-size:10px}
.about-main{max-width:1010px}.about-top{display:flex;align-items:center;justify-content:space-between;margin:48px 0 65px}.back-link{font-size:13px;font-weight:700;color:var(--blue)}.about-lead{margin-bottom:75px}.about-lead h1{font-size:clamp(35px,5.6vw,72px);line-height:1.15;letter-spacing:-.06em;margin-bottom:22px}.about-headline{font-size:clamp(19px,2.8vw,32px);font-weight:600;letter-spacing:-.035em;line-height:1.45}.about-lead-body{font-size:15px;line-height:1.95;color:var(--muted);max-width:690px;margin-top:20px}.about-sections{border-top:1px solid var(--line)}.about-sections article{display:grid;grid-template-columns:65px 1fr;gap:20px;border-bottom:1px solid var(--line);padding:32px 0}.about-sections article>span{font-size:11px;color:var(--blue);font-weight:750;padding-top:5px}.about-sections h2{font-size:20px;letter-spacing:-.035em;font-weight:750;margin-bottom:12px}.about-sections p{color:var(--muted);font-size:14px;line-height:1.9;max-width:760px}.about-sections a{color:var(--blue);display:inline-block;margin-top:12px;font-size:14px;font-weight:650}.about-cta{display:flex;align-items:center;justify-content:space-between;border-radius:15px;background:var(--blue);color:#fff;max-width:270px;margin-top:45px;padding:17px 20px;font-size:13px;font-weight:750}.about-cta:hover{background:var(--blue-hover)}
@media(max-width:1100px){.tool-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.tool-card{min-height:235px}.footer-inner{grid-template-columns:1fr auto}.footer-email{grid-column:2}.footer-inner small{text-align:start;grid-column:1/-1}}
@media(max-width:820px){.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.header-inner,.portal-main,.about-main,.footer-inner{padding-left:25px;padding-right:25px}.header-inner{gap:19px}.brand-logo{width:128px}.header-links{gap:16px}.language-wrap select{width:103px}.portal-detail{gap:15px;padding:24px}.portal-detail h2{font-size:16px}}
@media(max-width:640px){.header-inner{min-height:64px;gap:10px}.brand-logo{width:111px}.header-links{gap:11px;margin-inline-start:auto}.header-links a{font-size:11px;padding:23px 0}.header-settings{margin-inline-start:0;gap:6px}.language-wrap select{width:74px;padding:7px 5px;font-size:10px}.theme-toggle{width:31px;height:31px;font-size:17px;border-radius:8px}.portal-main,.about-main,.footer-inner,.header-inner{padding-inline:18px}.intro{padding:50px 0 48px}.intro h1{margin-top:12px;letter-spacing:-.05em;font-size:clamp(30px,7.4vw,39px)}.intro p{max-width:370px;font-size:13px}.search-area{margin-top:26px;height:55px;border-radius:14px;padding-inline:14px}.search-area input{font-size:13px}.section-title{margin-bottom:18px}.section-title h2{font-size:19px}.filters{gap:6px;margin-bottom:16px}.filter{font-size:11px;padding:8px 12px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tool-card{padding:17px 13px;min-height:184px;border-radius:16px}.tool-icon{width:58px;height:58px;margin-bottom:11px}.tool-title{font-size:14px}.tool-description{font-size:11px;line-height:1.45;min-height:31px}.tool-meta{padding-top:10px}.tool-status{font-size:10px}.tool-beta-badge{top:13px;inset-inline-end:32px;padding:3px 6px;min-height:20px;font-size:9px}.tool-open{top:14px;inset-inline-end:12px;font-size:14px}.portal-detail{margin:35px 0 8px;align-items:flex-start;flex-wrap:wrap;gap:12px;padding:19px}.detail-mark{height:40px;width:40px;font-size:23px;border-radius:11px}.portal-detail>div:nth-child(2){flex:1 1 180px}.portal-detail h2{font-size:15px}.portal-detail p{font-size:11px}.detail-link{width:100%;padding-inline-start:52px;justify-content:flex-start;margin:0}.site-footer{margin-top:45px}.footer-inner{display:flex;align-items:flex-start;flex-direction:column;gap:18px;padding-top:26px;padding-bottom:28px}.footer-inner small{align-self:flex-start}.site-footer nav{flex-wrap:wrap}.about-top{margin:28px 0 49px}.about-lead{margin-bottom:50px}.about-lead-body{font-size:14px}.about-sections article{grid-template-columns:38px 1fr;gap:9px;padding:26px 0}.about-sections h2{font-size:17px}.about-sections p{font-size:13px}}
@media(max-width:390px){.header-inner{gap:6px;padding-inline:12px}.brand-logo{width:88px}.header-links{gap:8px}.header-links a{font-size:10px}.language-wrap select{width:67px;font-size:9px}.theme-toggle{width:29px;height:29px}.portal-main,.about-main,.footer-inner{padding-inline:14px}.tool-card{padding:15px 10px;min-height:192px}.tool-title{font-size:13px}.tool-description{font-size:10px}.tool-status{font-size:9px}.tool-icon{width:56px;height:56px}}
[dir="rtl"] .shortcut{direction:ltr}[dir="rtl"] .tool-open{transform:scaleX(-1)}[dir="rtl"] .search-icon{transform:scaleX(-1)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}