@charset "utf-8";

:root{--ts-brand:#1457d9;--ts-brand-dark:#0b2e75;--ts-bg:#f4f7fb;--ts-surface:#fff;--ts-text:#111827;--ts-muted:#64748b;--ts-line:#e2e8f0;--ts-soft:#eaf1ff;--ts-radius:20px;--ts-shadow:0 12px 40px rgba(15,23,42,.07);--ts-container:1180px;--ts-reading:760px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ts-bg);color:var(--ts-text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Noto Sans KR",sans-serif;font-size:16px;line-height:1.75;word-break:keep-all}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--ts-brand)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
ul,ol{box-sizing:border-box}
.container{width:min(calc(100% - 36px),var(--ts-container));margin-inline:auto}
.site-main{min-height:55vh}
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.screen-reader-text:focus{top:12px;left:12px;width:auto;height:auto;padding:10px 14px;background:#fff;clip:auto;z-index:9999;border-radius:8px;box-shadow:var(--ts-shadow)}

/* header */
.topbar{background:var(--ts-brand-dark);color:#dbeafe;font-size:13px}
.topbar-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar strong{color:#fff}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(226,232,240,.92);backdrop-filter:saturate(160%) blur(12px)}
.header-row{position:relative;min-height:72px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;font-size:22px;font-weight:900;letter-spacing:-.04em}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,var(--ts-brand),#6d8dff);color:#fff;font-size:14px;letter-spacing:-.02em;box-shadow:0 8px 20px color-mix(in srgb,var(--ts-brand) 25%,transparent)}
.site-nav{margin-left:auto}
.site-nav ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.site-nav a{display:block;padding:10px 11px;border-radius:9px;color:#334155;font-size:14px;font-weight:750}
.site-nav a:hover,.site-nav .selected>a{background:var(--ts-soft);color:var(--ts-brand)}
.menu-toggle{display:none;margin-left:auto;width:42px;height:42px;padding:10px;border:1px solid var(--ts-line);border-radius:11px;background:#fff}
.menu-toggle span{display:block;height:2px;margin:4px 0;border-radius:2px;background:#1e293b}
.search-toggle{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--ts-line);border-radius:11px;background:#f8fafc;color:#1e293b;font-size:20px}
.search-panel{border-top:1px solid var(--ts-line);background:#fff;padding:14px 0}
.search-box{display:flex;max-width:640px;margin:auto;gap:8px}
.search-box input{flex:1;min-width:0;height:46px;padding:0 14px;border:1px solid var(--ts-line);border-radius:10px;background:#fff}
.search-box button{height:46px;padding:0 18px;border:0;border-radius:10px;background:var(--ts-brand);color:#fff;font-weight:800}

/* hero */
.hero{padding:58px 0 34px;background:radial-gradient(circle at 87% 8%,color-mix(in srgb,var(--ts-brand) 18%,transparent),transparent 30%),linear-gradient(180deg,#fff 0%,var(--ts-bg) 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(330px,.82fr);gap:42px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;color:var(--ts-brand);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.eyebrow:before{content:"";width:22px;height:3px;border-radius:99px;background:var(--ts-brand)}
.hero h1{margin:0;max-width:700px;font-size:clamp(36px,5.2vw,64px);line-height:1.08;letter-spacing:-.055em}
.hero-description{max-width:680px;margin:20px 0 0;color:#475569;font-size:clamp(16px,2vw,19px);line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:46px;padding:0 18px;border:1px solid var(--ts-brand);border-radius:11px;background:var(--ts-brand);color:#fff;font-size:14px;font-weight:800}
.button:hover{background:var(--ts-brand-dark);color:#fff}
.button-ghost{background:#fff;color:#1e293b;border-color:var(--ts-line)}
.button-ghost:hover{background:#f8fafc;color:var(--ts-brand)}
.hero-feature{position:relative;overflow:hidden;min-height:390px;border-radius:26px;background:#0f172a;box-shadow:0 25px 60px rgba(15,23,42,.22)}
.hero-feature>img{position:absolute;z-index:1;inset:0;width:100%;height:100%;object-fit:cover;opacity:.74}
.hero-feature:after{content:"";position:absolute;z-index:2;inset:0;background:linear-gradient(180deg,transparent 18%,rgba(2,6,23,.92) 100%)}
.hero-placeholder{position:absolute;z-index:0;inset:0;display:grid;place-items:center;background:linear-gradient(145deg,var(--ts-brand-dark),var(--ts-brand) 60%,#8fb1ff)}
.device-shape{width:145px;height:215px;border:7px solid rgba(255,255,255,.92);border-radius:25px;transform:rotate(8deg);box-shadow:-45px 30px 0 -14px rgba(255,255,255,.18)}
.hero-feature-content{position:absolute;z-index:3;inset:auto 28px 26px;color:#fff}
.hero-feature-content .chip{background:rgba(255,255,255,.17);border-color:rgba(255,255,255,.25);color:#fff}
.hero-feature-content h2{margin:12px 0 8px;font-size:clamp(24px,3vw,34px);line-height:1.25;letter-spacing:-.04em}
.hero-feature-content p{display:-webkit-box;overflow:hidden;margin:0;color:#dbeafe;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.trust-strip{padding:4px 0 40px}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.trust-item{padding:18px;border:1px solid var(--ts-line);border-radius:15px;background:#fff}
.trust-item strong{display:block;margin-bottom:3px;font-size:15px}
.trust-item span{color:var(--ts-muted);font-size:13px}

/* sections and category */
.section{padding:58px 0}
.section-white{background:#fff}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-heading h2{margin:0;font-size:clamp(27px,3.5vw,38px);line-height:1.2;letter-spacing:-.045em}
.section-heading p:not(.eyebrow){margin:7px 0 0;color:var(--ts-muted)}
.more-link{font-size:14px;font-weight:800;color:var(--ts-brand);white-space:nowrap}
.home-category-list ul,.category-list ul{list-style:none;margin:0;padding:0}
.home-category-list>.tt_category>li>.link_tit{display:none}
.home-category-list .category_list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.home-category-list .category_list>li{position:relative;min-height:128px;padding:24px;border:1px solid var(--ts-line);border-radius:18px;background:linear-gradient(145deg,#fff,#f8fafc);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.home-category-list .category_list>li:hover{transform:translateY(-3px);border-color:#a9c2f8;box-shadow:var(--ts-shadow)}
.home-category-list .link_item{display:block;font-size:20px;font-weight:850;letter-spacing:-.03em}
.home-category-list .link_item:before{content:"DEVICE";display:block;margin-bottom:22px;color:var(--ts-brand);font-size:11px;font-weight:900;letter-spacing:.1em}
.home-category-list .sub_category_list{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}
.home-category-list .sub_category_list li{font-size:12px;color:var(--ts-muted)}
.home-category-list .sub_category_list a{display:block;padding:3px 7px;border-radius:6px;background:#f1f5f9}
.c_cnt{font-size:11px;color:#94a3b8}

/* cards and lists */
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px;align-items:start}
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.post-card{overflow:hidden;background:#fff;border:1px solid var(--ts-line);border-radius:var(--ts-radius);transition:transform .2s ease,box-shadow .2s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--ts-shadow)}
.post-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(145deg,#dfe8f7,#a8c1ef)}
.post-thumb img{position:absolute;z-index:1;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.025)}
.thumb-placeholder{position:absolute;z-index:0;inset:0;display:grid;place-items:center;background:linear-gradient(145deg,#102d67,var(--ts-brand));color:#fff;font-size:42px;font-weight:900}
.card-body{padding:20px}
.chip{display:inline-flex;align-items:center;min-height:25px;padding:3px 9px;border:1px solid color-mix(in srgb,var(--ts-brand) 25%,#fff);border-radius:99px;background:color-mix(in srgb,var(--ts-brand) 9%,#fff);color:var(--ts-brand);font-size:11px;font-weight:900}
.post-card h2,.post-card h3{margin:11px 0 9px;font-size:20px;line-height:1.42;letter-spacing:-.035em}
.post-card p{display:-webkit-box;overflow:hidden;margin:0;color:var(--ts-muted);font-size:14px;line-height:1.7;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-meta,.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:16px;color:#7c8a9d;font-size:12px}
.card-meta span+span:before,.entry-meta span+span:before{content:"·";margin-right:8px}
.post-grid.list{grid-template-columns:1fr}
.post-grid.list .post-card{display:grid;grid-template-columns:260px minmax(0,1fr)}
.post-grid.list .post-thumb{height:100%;aspect-ratio:auto;min-height:185px}
.archive-head{padding:52px 0 30px;background:linear-gradient(180deg,#fff,var(--ts-bg))}
.archive-head h1{margin:0;font-size:clamp(34px,5vw,52px);line-height:1.15;letter-spacing:-.05em}
.archive-head p:not(.eyebrow){max-width:720px;margin:13px 0 0;color:var(--ts-muted)}
.archive-count{display:inline-block;margin-top:13px;color:var(--ts-brand);font-size:13px;font-weight:800}
.list-layout{padding-top:28px}
.empty-state{grid-column:1/-1;padding:46px;text-align:center;background:#fff;border:1px solid var(--ts-line);border-radius:18px}
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:34px}
.pagination a{display:grid;place-items:center;min-width:42px;height:42px;padding:0 12px;border:1px solid var(--ts-line);border-radius:10px;background:#fff;font-size:14px;font-weight:750}
.pagination a:hover{background:var(--ts-brand);border-color:var(--ts-brand);color:#fff}
.pagination .no-more-prev,.pagination .no-more-next{opacity:.35;pointer-events:none}
.page-numbers{display:flex;gap:6px}

/* sidebar */
.sidebar{display:grid;gap:18px;position:sticky;top:98px}
.widget{padding:22px;background:#fff;border:1px solid var(--ts-line);border-radius:17px}
.widget h2{margin:0 0 15px;font-size:17px;letter-spacing:-.025em}
.widget ul{display:grid;gap:9px;list-style:none;margin:0;padding:0}
.widget li{font-size:14px}
.widget li+li{padding-top:9px;border-top:1px solid #edf1f6}
.sidebar-about{background:linear-gradient(145deg,var(--ts-brand-dark),var(--ts-brand));color:#fff;border:0}
.sidebar-about p{color:#dbeafe;font-size:14px}
.category-list>.tt_category>li>.link_tit{display:block;margin-bottom:8px;font-weight:850}
.category-list .category_list,.category-list .sub_category_list{display:grid;gap:6px}
.category-list .category_list>li{padding:7px 0;border-top:1px solid rgba(226,232,240,.7)}
.category-list .sub_category_list{margin:6px 0 0 10px}
.category-list a{font-size:14px}
.popular-posts li a{display:-webkit-box;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-weight:700;line-height:1.5}
.popular-posts li span{display:block;margin-top:3px;color:#94a3b8;font-size:11px}
.plain-links{list-style:none;margin:0;padding:0}

/* article */
.single-post{padding:46px 0 72px}
.article-header{max-width:900px;margin:0 auto 28px}
.article-header h1{margin:13px 0 0;font-size:clamp(34px,5.6vw,58px);line-height:1.17;letter-spacing:-.055em}
.article-header .entry-meta{margin-top:17px;font-size:13px}
.featured-image{overflow:hidden;max-width:1060px;margin:0 auto 34px;border-radius:23px;background:#e5edf8;box-shadow:0 18px 55px rgba(15,23,42,.1)}
.featured-image img{width:100%;aspect-ratio:16/8.6;object-fit:cover}
.article-layout{display:grid;grid-template-columns:minmax(0,var(--ts-reading)) 280px;justify-content:center;gap:42px;align-items:start}
.article-layout>div{min-width:0}
.article-view{min-width:0;padding:34px 40px;background:#fff;border:1px solid var(--ts-line);border-radius:22px}
.article-view>p:first-child{margin-top:0;font-size:18px;color:#334155}
.article-view p{margin:0 0 1.4em}
.article-view h2{position:relative;margin:2.4em 0 .9em;padding:18px 20px 17px 24px;border-left:5px solid var(--ts-brand);border-radius:0 14px 14px 0;background:linear-gradient(90deg,var(--ts-soft),rgba(234,241,255,.22));font-size:clamp(24px,3vw,31px);line-height:1.35;letter-spacing:-.045em}
.article-view h2:after{content:"";position:absolute;left:24px;bottom:10px;width:44px;height:3px;border-radius:99px;background:var(--ts-brand)}
.article-view h3{margin:2em 0 .7em;font-size:22px;line-height:1.4;letter-spacing:-.035em}
.article-view h4{font-size:18px}
.article-view a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;color:var(--ts-brand)}
.article-view ul,.article-view ol{padding-left:1.35em;margin:0 0 1.5em}
.article-view li{margin:.35em 0}
.article-view blockquote{margin:1.6em 0;padding:18px 22px;border-left:4px solid var(--ts-brand);background:#f7f9fc;color:#334155}
.article-view figure,.article-view .imageblock,.article-view .image-container{max-width:100%!important;margin:1.8em auto!important;content-visibility:auto;contain-intrinsic-size:auto 600px}
.article-view figure img,.article-view>img,.article-view .imageblock img,.article-view .image-container img{max-width:100%!important;border-radius:14px}
.article-view figcaption,.article-view .cap1{margin-top:8px;color:var(--ts-muted);font-size:13px;text-align:center}
.article-view table{width:100%;border-collapse:collapse;font-size:14px}
.article-view th,.article-view td{padding:12px 13px;border:1px solid var(--ts-line);text-align:left;vertical-align:top}
.article-view th{background:#eef4ff}
.table-scroll{overflow-x:auto;max-width:100%;margin:1.8em 0;-webkit-overflow-scrolling:touch}
.table-scroll table{margin:0;min-width:580px}
.article-view iframe,.article-view video{max-width:100%}
.article-view pre{overflow-x:auto;padding:18px;border-radius:12px;background:#0f172a;color:#e2e8f0}
.source-note{max-width:var(--ts-reading);margin:25px auto 0;padding:18px 20px;border:1px solid var(--ts-line);border-radius:13px;background:#f8fafc;color:#475569;font-size:13px}
.source-note strong{color:#1e293b}
.tag-trail{max-width:var(--ts-reading);margin:18px auto 0;color:#64748b;font-size:13px}
.tag-trail>span{margin-right:8px;font-weight:800;color:#334155}
.tag-trail a{display:inline-block;margin:3px;padding:4px 8px;border-radius:7px;background:#fff;border:1px solid var(--ts-line)}
.admin-links{max-width:var(--ts-reading);margin:12px auto;text-align:right;font-size:12px}
.admin-links a{margin-left:10px}
.post-navigation{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:var(--ts-reading);margin:22px auto 0}
.post-navigation a{display:block;padding:16px;border:1px solid var(--ts-line);border-radius:13px;background:#fff}
.post-navigation small{display:block;color:#94a3b8;font-size:11px}
.post-navigation strong{display:block;margin-top:4px;font-size:14px}
.related-posts{margin-top:44px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.related-card{overflow:hidden;padding-bottom:14px;border:1px solid var(--ts-line);border-radius:15px;background:#fff}
.related-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#dbeafe}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-card strong,.related-card>span:last-child{display:block;margin:12px 14px 0}
.related-card strong{font-size:14px;line-height:1.5}
.related-card>span:last-child{margin-top:4px;color:#94a3b8;font-size:11px}
.comment-area{max-width:var(--ts-reading);margin:35px auto 0;padding:25px;background:#fff;border:1px solid var(--ts-line);border-radius:16px}

/* tistory comment react */
.comment-area .tt-comment-cont,.guestbook-page .tt-comment-cont{font-family:inherit!important}
.comment-area .tt-area-write,.guestbook-page .tt-area-write{border-color:var(--ts-line)!important;border-radius:12px!important}
.comment-area .tt-btn_register,.guestbook-page .tt-btn_register{background:var(--ts-brand)!important}

/* pages */
.page-shell{width:min(calc(100% - 36px),900px);margin:48px auto 70px;padding:38px 42px;background:#fff;border:1px solid var(--ts-line);border-radius:22px}
.page-shell>header>h1,.page-shell>h1{margin:0 0 25px;font-size:clamp(34px,5vw,50px);letter-spacing:-.05em}
.page-shell .article-view{padding:0;border:0;border-radius:0}
.protected-form{display:flex;gap:8px;margin-top:20px}
.protected-form input{flex:1;height:46px;padding:0 12px;border:1px solid var(--ts-line);border-radius:10px}
.protected-form button{height:46px;padding:0 18px;border:0;border-radius:10px;background:var(--ts-brand);color:#fff;font-weight:800}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{padding:7px 11px;border:1px solid var(--ts-line);border-radius:9px;background:#f8fafc;font-size:13px}
.tag-cloud .cloud1,.tag-cloud .cloud2{color:var(--ts-brand);font-weight:850}

/* footer */
.site-footer{background:#0b1220;color:#cbd5e1}
.footer-main{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:54px;padding:54px 0 38px}
.footer-brand{color:#fff;font-size:22px;font-weight:900}
.footer-main p{max-width:480px;color:#94a3b8;font-size:14px}
.footer-main h2{margin:0 0 14px;color:#fff;font-size:14px}
.footer-main ul{display:grid;gap:8px;list-style:none;margin:0;padding:0;font-size:13px}
.footer-main a:hover{color:#fff}
.footer-notice{padding:20px 0;border-top:1px solid #1e293b;color:#94a3b8;font-size:12px;line-height:1.7}
.copyright{display:flex;justify-content:space-between;gap:18px;padding:18px 0;border-top:1px solid #1e293b;color:#7f8da3;font-size:12px}

@media(max-width:1050px){.site-nav{display:none;position:absolute;top:72px;left:-18px;right:-18px;padding:12px 18px 20px;background:#fff;border-bottom:1px solid var(--ts-line);box-shadow:0 14px 28px rgba(15,23,42,.08)}.site-nav.is-open{display:block}.site-nav ul{display:grid}.site-nav a{padding:12px}.menu-toggle{display:block}.search-toggle{margin-left:0}.content-grid{grid-template-columns:1fr}.sidebar{display:none}.article-layout{grid-template-columns:minmax(0,var(--ts-reading))}.article-sidebar{display:none}.related-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:800px){.topbar-inner span:last-child{display:none}.header-row{min-height:64px}.site-nav{top:64px}.hero{padding-top:38px}.hero-grid{grid-template-columns:1fr;gap:28px}.hero-feature{min-height:330px}.trust-grid{grid-template-columns:repeat(2,1fr)}.home-category-list .category_list{grid-template-columns:repeat(2,1fr)}.post-grid{grid-template-columns:1fr}.post-grid.list .post-card{grid-template-columns:210px minmax(0,1fr)}.related-grid{grid-template-columns:repeat(2,1fr)}.footer-main{grid-template-columns:1fr 1fr}.footer-main>div:first-child{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:4px}}
@media(max-width:560px){.container{width:min(calc(100% - 24px),var(--ts-container))}.topbar{font-size:11px}.brand{font-size:19px}.brand-mark{width:33px;height:33px}.hero h1{font-size:38px}.hero-feature{min-height:285px;border-radius:20px}.hero-feature-content{inset:auto 20px 20px}.trust-grid{grid-template-columns:1fr 1fr}.trust-item{padding:14px}.home-category-list .category_list{grid-template-columns:1fr}.section{padding:42px 0}.section-heading{align-items:start}.section-heading p:not(.eyebrow){font-size:14px}.post-grid.list .post-card{display:block}.post-grid.list .post-thumb{aspect-ratio:16/9;min-height:0}.article-header h1{font-size:36px}.single-post{padding-top:32px}.featured-image{width:calc(100% - 24px);border-radius:16px}.article-view{padding:25px 20px;border-left:0;border-right:0;border-radius:0}.article-layout{display:block}.article-view h2{padding:16px 15px 16px 19px;font-size:25px}.source-note,.tag-trail,.admin-links,.post-navigation,.comment-area{width:calc(100% - 24px)}.post-navigation{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.page-shell{width:100%;margin:0;padding:32px 20px;border-radius:0;border-left:0;border-right:0}.page-shell .article-view{padding:0}.footer-main{grid-template-columns:1fr;gap:28px}.footer-main>div:first-child{grid-column:auto}.page-numbers{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}