*{box-sizing:border-box}body{margin:0;font-family:Arial,'Malgun Gothic',sans-serif;background:#f2f6fb;color:#111827}header{height:68px;background:#fff;border-bottom:1px solid #e5edf6;display:flex;justify-content:space-between;align-items:center;padding:0 max(18px,calc((100vw - 1160px)/2));position:sticky;top:0;z-index:10}header b{font-size:27px;color:#073b7a}nav{display:flex;gap:9px}nav a{padding:10px 14px;border-radius:999px;background:#f1f5f9;color:#111;text-decoration:none;font-weight:900}main{width:min(1160px,100%);margin:auto;padding:0 18px}.hero{text-align:center;padding:54px 0 40px}.hero span{display:inline-block;padding:8px 13px;border-radius:999px;background:#eaf4ff;color:#0a66c2;font-size:12px;font-weight:1000;letter-spacing:1.5px}.hero h1{font-size:clamp(42px,7vw,76px);line-height:1.04;margin:18px 0 14px;letter-spacing:-3px}.hero em{font-style:normal;color:#0a66c2}.hero p{font-size:18px;color:#5b6472;line-height:1.7}.hero a{display:inline-block;margin-top:20px;padding:17px 24px;border-radius:16px;background:#0a66c2;color:#fff;text-decoration:none;font-size:18px;font-weight:1000}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:22px}.features div,.card{background:#fff;border:1px solid #e6edf5;border-radius:24px;box-shadow:0 20px 60px rgba(18,38,63,.10)}.features div{padding:20px}.features b{color:#0a66c2;font-size:18px}.features p{margin:8px 0 0;color:#667085}.calc{display:grid;grid-template-columns:1.16fr .94fr;gap:22px;align-items:start}.card{padding:26px}.card h2{margin:0 0 22px;font-size:24px}.card h2 i{display:inline-grid;place-items:center;width:34px;height:34px;margin-right:12px;border-radius:50%;background:#0a66c2;color:#fff;font-style:normal}label{display:block;margin:20px 0 10px;font-weight:1000}.grid{display:grid;gap:10px}.two{grid-template-columns:repeat(2,1fr)}.three{grid-template-columns:repeat(3,1fr)}.optBtn{border:1px solid #d8e1ec;background:#fff;border-radius:16px;padding:16px 8px;font-weight:1000;cursor:pointer}.optBtn.isActive{border-color:#0a66c2;box-shadow:0 0 0 3px rgba(10,102,194,.12);color:#0a66c2}.size{display:grid;grid-template-columns:1fr 28px 1fr;gap:10px;align-items:center}.size input,.qty input{height:56px;width:100%;border:1px solid #d8e1ec;border-radius:16px;padding:0 16px;font-size:20px}.size span{text-align:center;font-size:24px}.box{display:flex;justify-content:space-between;margin-top:12px;padding:14px 16px;border-radius:16px;background:#f6f9fc;color:#64748b}.box b{font-size:20px;color:#0a66c2}.qty{display:flex;align-items:center;gap:8px}.qty button{width:48px;height:48px;border:1px solid #d8e1ec;background:#fff;border-radius:14px;font-size:24px;color:#0a66c2}.qty input{max-width:92px;text-align:center}.info{margin-top:18px;padding:17px;border-radius:18px;background:#eff6ff;color:#475569;line-height:1.6}.info b{color:#0a66c2}.orange{background:#fff7ed;color:#7c2d12;border:1px solid #fed7aa}.orange b{color:#9a3412}.tableBtn{width:100%;margin-top:16px;padding:15px;border:1px solid #0a66c2;border-radius:16px;background:#fff;color:#0a66c2;font-size:16px;font-weight:1000}.tables{display:none;margin-top:15px}.tables.open{display:block}.tables table{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:12px}.tables th,.tables td{border:1px solid #d8e1ec;padding:9px;text-align:right}.total{text-align:center;padding:28px 18px;border-radius:24px;background:linear-gradient(180deg,#f8fbff,#edf4ff)}.total span{display:block;color:#64748b;font-weight:1000}.total strong{display:block;margin:8px 0;font-size:clamp(46px,6vw,68px);color:#d70000;font-weight:1000}.total small{color:#64748b}dl{margin:18px 0;padding:12px 16px;border:1px solid #edf2f7;border-radius:18px}dl div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid #edf2f7}dl div:last-child{border-bottom:0}dt{color:#64748b}dd{margin:0;text-align:right;font-weight:900}.guide{background:#fff7ed;border:1px solid #fed7aa;border-radius:18px;padding:15px;margin-bottom:16px}.guide p{margin:0;color:#7c2d12;font-size:13px;line-height:1.5}.actions{display:grid;gap:10px}.actions button,.actions a{width:100%;padding:17px;border:0;border-radius:16px;text-align:center;text-decoration:none;font-size:18px;font-weight:1000}.actions button,.order{background:#111;color:#fff}.talk{background:#03c75a;color:#fff}.phone{background:#0a66c2;color:#fff}.notice{font-size:13px;color:#7a8594;line-height:1.6}footer{margin-top:30px;padding:28px;background:#0b1220;color:#dbeafe;text-align:center}@media(max-width:980px){.calc{grid-template-columns:1fr}.features{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){header{height:auto;padding:12px 16px;align-items:flex-start;gap:10px;flex-direction:column}nav{width:100%;display:grid;grid-template-columns:1fr 1fr}.features{grid-template-columns:1fr}.three{grid-template-columns:1fr}.size{grid-template-columns:1fr}.size span{display:none}}
.banner{padding:28px 0 8px}.banner img{display:block;width:100%;max-width:100%;border-radius:22px;box-shadow:0 20px 60px rgba(18,38,63,.12)}
@media(max-width:560px){.banner img{border-radius:14px}}

/* 열쇠 선택 */
.lockSection{margin-top:18px;padding:18px;border:1px solid #d8e1ec;border-radius:20px;background:#fbfdff}
.lockTitleRow{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:14px}
.lockTitleRow label{margin:0;font-size:18px}
.lockTitleRow label small{display:inline-block;margin-left:6px;padding:4px 8px;border-radius:999px;background:#e9f8ef;color:#15803d;font-size:12px;vertical-align:middle}
.lockTitleRow>span{color:#64748b;font-size:13px;font-weight:800;text-align:right}
.lockPosition{margin-top:14px}
.lockPosition>b{display:block;margin-bottom:9px;color:#0a66c2}
.lockGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.lockCard{display:block;margin:0;border:2px solid #d8e1ec;border-radius:15px;overflow:hidden;background:#fff;cursor:pointer;transition:.15s}
.lockCard:hover{transform:translateY(-1px);border-color:#7db7ee}
.lockCard.isActive{border-color:#0a66c2;box-shadow:0 0 0 3px rgba(10,102,194,.12)}
.lockCard img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;background:#eef2f7}
.lockCheck{display:flex;align-items:center;justify-content:center;gap:7px;padding:10px 6px;font-weight:1000;font-size:14px}
.lockCheck input{position:absolute;opacity:0;pointer-events:none}
.lockCheck i{width:18px;height:18px;border:2px solid #9aa8b8;border-radius:5px;background:#fff;position:relative;flex:0 0 auto}
.lockCard.isActive .lockCheck i{border-color:#0a66c2;background:#0a66c2}
.lockCard.isActive .lockCheck i:after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.lockHelp{margin:12px 0 0;color:#64748b;font-size:12px;line-height:1.5}
[hidden]{display:none!important}
@media(max-width:560px){.lockTitleRow{align-items:flex-start;flex-direction:column}.lockTitleRow>span{text-align:left}.lockGrid{gap:7px}.lockCheck{font-size:12px;padding:8px 3px}.lockSection{padding:14px}}

/* 열쇠 카드 표시 안정화 */
.lockGrid:empty{min-height:160px;background:#fff7ed;border:1px dashed #f59e0b;border-radius:14px}
.lockPosition[hidden]{display:none!important}
.lockCard{min-width:0}
.lockCard img{height:auto;min-height:118px;max-height:150px}
@media(max-width:560px){.lockCard img{min-height:88px;max-height:110px}.lockGrid{grid-template-columns:repeat(3,minmax(0,1fr))}}