:root{--ink:#171a20;--sub:#393c41;--muted:#5c5e62;--line:#eeeeee;--bg:#ffffff;--soft:#f4f4f4;--accent:#3e6ae1}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","Noto Sans KR",system-ui,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
/* header */
.hd{position:fixed;inset:0 0 auto 0;height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;z-index:50;transition:background .3s,color .3s}
.hd.solid,.hd.open{background:#fff;color:var(--ink)}
.hd.light{color:#fff}
.hd.light.open,.hd.light.solid{color:var(--ink)}
.logo{font-weight:700;letter-spacing:.35em;font-size:15px}
.nav{display:flex;gap:4px}
.nav>div>button,.nav>a,.rt a{font:inherit;font-size:14px;font-weight:500;background:none;border:0;color:inherit;padding:6px 14px;border-radius:4px;cursor:pointer}
.nav>div>button:hover,.nav>a:hover,.rt a:hover,.nav>div.on>button{background:rgba(0,0,0,.06)}
.hd.light .nav>div>button:hover,.hd.light .rt a:hover{background:rgba(255,255,255,.15)}
.rt{display:flex;gap:4px}
.mega{position:fixed;left:0;right:0;top:56px;background:#fff;color:var(--ink);padding:36px 48px 48px;display:none;box-shadow:0 12px 24px rgba(0,0,0,.06)}
.nav>div.on .mega{display:block}
.mega h4{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.08em;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:20px 28px;max-width:1100px}
.mc{text-align:center;font-size:15px;font-weight:500}
.mc img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px;margin-bottom:8px;transition:transform .3s}
.mc:hover img{transform:scale(1.03)}
.mc small{display:block;font-size:12px;color:var(--muted);font-weight:400}
.eu{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:18px 28px;max-width:1000px}
.eu b{display:block;font-size:15px;margin-bottom:4px}.eu span{font-size:13px;color:var(--muted)}
.soon{display:inline-block;font-size:11px;background:var(--soft);color:var(--muted);border-radius:10px;padding:1px 8px;margin-left:6px;vertical-align:middle}
/* hero + sections */
.snap{height:100vh;overflow-y:auto;scroll-snap-type:y mandatory}
.panel{position:relative;height:100vh;scroll-snap-align:start;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:18vh 24px 9vh;color:#fff;text-align:center;overflow:hidden}
.panel .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:opacity 1.2s ease;z-index:-1}
.panel .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,0) 35%,rgba(0,0,0,0) 60%,rgba(0,0,0,.45) 100%)}
.panel h1{font-size:clamp(34px,5vw,46px);font-weight:600;letter-spacing:.02em}
.panel .en{font-size:13px;letter-spacing:.4em;opacity:.9;margin-bottom:10px}
.panel p.s{font-size:15px;margin-top:8px;opacity:.95}
.btns{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
.btn{min-width:240px;padding:11px 24px;border-radius:4px;font-size:14px;font-weight:500;text-align:center;transition:filter .2s}
.btn.dk{background:rgba(23,26,32,.82);color:#fff}
.btn.lt{background:rgba(244,244,244,.82);color:var(--ink)}
.btn:hover{filter:brightness(1.08)}
.dots{position:absolute;bottom:3vh;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.45);cursor:pointer}
.dots i.on{background:#fff}
.fade{transition:opacity .6s}
/* city page */
.ch{position:relative;height:72vh;min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;padding:0 48px 56px;color:#fff;background-size:cover;background-position:center}
.ch::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.3),rgba(0,0,0,0) 40%,rgba(0,0,0,.55))}
.ch>*{position:relative;z-index:1}
.ch h1{font-size:clamp(36px,6vw,56px);font-weight:600}
.wrap{max-width:1200px;margin:0 auto;padding:56px 32px 80px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:36px 28px}
.card img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:6px;background:var(--soft)}
.card .n{font-size:12px;color:var(--muted);margin:14px 0 4px;letter-spacing:.06em}
.card h3{font-size:17px;font-weight:600;line-height:1.45}
.card p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.55}
.card:hover h3{text-decoration:underline}
/* article */
.art{max-width:760px;margin:0 auto;padding:120px 24px 40px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:18px}.crumb a:hover{text-decoration:underline}
.art h1{font-size:clamp(26px,3.6vw,36px);line-height:1.35;font-weight:700;margin-bottom:10px}
.art .sub{font-size:15px;color:var(--muted);margin-bottom:28px}
.art h2{font-size:22px;margin:48px 0 14px;padding-top:8px;border-top:1px solid var(--line)}
.art h3{font-size:17px;margin:28px 0 8px}
.art p,.art li{font-size:16.5px;line-height:1.85;color:var(--sub)}
.art p{margin:8px 0}
.art ul{margin:6px 0 10px 1.2em}
.art figure{margin:28px -40px}
.art figure img{width:100%;border-radius:6px;display:block}
.art figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:40px 0}
.tags span{font-size:13px;background:var(--soft);border-radius:14px;padding:4px 12px;color:var(--sub)}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:760px;margin:0 auto 80px;padding:0 24px}
.pn a{border:1px solid var(--line);border-radius:6px;padding:16px;font-size:14px}
.pn a small{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.pn a:hover{border-color:#ccc}
.disc{font-size:12.5px;color:var(--muted);background:var(--soft);border-radius:6px;padding:8px 12px;margin:10px 0 18px;line-height:1.6}
.prod{margin-top:48px}.prod h2{font-size:22px;margin:0 0 14px}
.pds-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.pd{display:flex;gap:14px;border:1px solid var(--line);border-radius:8px;padding:12px;transition:border-color .2s,box-shadow .2s}
.pd:hover{border-color:#cfcfcf;box-shadow:0 4px 14px rgba(0,0,0,.05)}
.pd img{width:96px;height:96px;object-fit:cover;border-radius:6px;flex:none;background:var(--soft)}
.pdn{font-size:14.5px;font-weight:600;line-height:1.4}.pds{font-size:12px;color:var(--muted);margin-top:2px}
.pdp{font-size:16px;font-weight:700;margin-top:6px}.pdp small{font-size:11px;color:var(--muted);font-weight:400;margin-left:6px}
.pdr{font-size:12px;color:var(--muted)}.pdb{display:inline-block;margin-top:8px;font-size:12.5px;background:var(--ink);color:#fff;border-radius:4px;padding:5px 12px}
/* 상세 페이지 2단: 본문 + 이심 사이드 */
.layout{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:minmax(0,760px) 300px;gap:56px;justify-content:center;padding:0 24px}
.layout .art{padding-left:0;padding-right:0;margin:0}
.sidecol{position:sticky;top:76px;align-self:start;margin-top:120px}
.layout.three{grid-template-columns:220px minmax(0,760px) 300px;max-width:1400px;gap:40px}
.leftcol{position:sticky;top:76px;align-self:start;margin-top:120px}
.tvh h3{font-size:16px;line-height:1.4;margin-bottom:6px}.tvh p{font-size:12.5px;color:var(--muted);line-height:1.55;margin-bottom:12px}
.tv{display:block;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:12px;transition:box-shadow .2s}
.tv:hover{box-shadow:0 4px 14px rgba(0,0,0,.07)}
.tv img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.tvn{display:block;font-size:13px;font-weight:600;line-height:1.4;padding:8px 10px 2px}
.tvt{display:block;font-size:11.5px;color:var(--muted);padding:0 10px}
.tvp{display:block;font-size:14px;font-weight:700;padding:4px 10px 10px}
@media(max-width:1360px){.layout.three{grid-template-columns:minmax(0,760px) 300px;max-width:1160px}
 .layout.three .leftcol{grid-column:1;grid-row:2;position:static;margin:8px 0 40px;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
 .layout.three .leftcol .tvh{grid-column:1/-1}.layout.three .leftcol .tv{margin:0}}
.esim{border:1px solid var(--line);border-radius:10px;padding:20px;background:#fff;margin-bottom:14px}
.sp{display:flex;gap:10px;align-items:center;margin-top:12px;border:1px solid var(--line);border-radius:8px;padding:8px}
.sp img{width:56px;height:56px;object-fit:cover;border-radius:6px;flex:none}
.sp span{font-size:12px;line-height:1.4;color:var(--sub)}.sp b{display:block;font-size:14px;color:var(--ink);margin-top:2px}
.sp small{display:block;color:var(--muted);font-size:11px}
.et{font-size:11.5px;letter-spacing:.08em;color:var(--accent);font-weight:600;margin-bottom:6px}
.esim h3{font-size:18px;line-height:1.4;margin-bottom:8px}.esim p{font-size:13.5px;color:var(--muted);line-height:1.6}
.er{display:block;margin-top:14px;font-size:14px;font-weight:600;text-decoration:underline}
.eb{display:block;margin-top:14px;text-align:center;background:var(--ink);color:#fff;border-radius:6px;padding:11px;font-weight:500;font-size:14px}
.eb small{display:block;font-weight:400;font-size:12px;opacity:.9}
.eb2{display:block;margin-top:8px;text-align:center;border:1px solid var(--line);border-radius:6px;padding:9px;font-size:13px}
.ed{font-size:11px!important;margin-top:10px;line-height:1.5}
@media(max-width:1100px){.layout,.layout.three{grid-template-columns:1fr;gap:0}.sidecol{position:static;margin:0 0 48px}.layout.three .leftcol{grid-row:auto}}
.ft{border-top:1px solid var(--line);padding:28px 32px;font-size:12px;color:var(--muted);text-align:center;line-height:1.8}
.mb{display:none;font:inherit;font-size:14px;font-weight:500;background:rgba(0,0,0,.08);border:0;color:inherit;padding:6px 14px;border-radius:4px;cursor:pointer}
.hd.light .mb{background:rgba(255,255,255,.18)}
.mnav{position:fixed;inset:0;background:#fff;color:var(--ink);z-index:60;padding:20px 24px 40px;overflow-y:auto;display:none}
.mnav.on{display:block}
.mnav .x{display:flex;justify-content:flex-end}.mnav .x button{font-size:26px;background:none;border:0;cursor:pointer;color:var(--ink)}
.mnav h4{font-size:12px;color:var(--muted);letter-spacing:.08em;margin:22px 0 8px}
.mnav a,.mnav div.e{display:flex;justify-content:space-between;align-items:center;padding:12px 8px;font-size:17px;font-weight:500;border-radius:6px}
.mnav a:hover{background:var(--soft)}.mnav small{font-size:12px;color:var(--muted);font-weight:400}
@media(max-width:820px){.hd{padding:0 16px}.nav{display:none}.mb{display:inline-block}.rt a{display:none}.panel{padding:16vh 16px 10vh}.btn{min-width:0;width:100%}
.btns{width:100%;flex-direction:column;gap:12px}.art figure{margin:24px 0}.ch{padding:0 20px 36px}.wrap{padding:40px 16px 64px}.pn{grid-template-columns:1fr}}