:root{--bg: #f4f6f9;--card: #ffffff;--ink: #191f28;--sub: #8b95a1;--line: #e6e9ee;--brand: #3182f6;--brand-deep: #1b64da;--brand-soft: #e8f1fe;--up: #f04452;--up-soft: #fdeef0;--down: #2884f6;--down-soft: #eaf3fe;--radius: 18px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .05)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input{font-family:inherit}main{min-height:60vh}.demo-bar{background:#fff7e0;color:#8a6d1a;font-size:12.5px;font-weight:600;text-align:center;padding:7px 16px;letter-spacing:0}.hd{position:sticky;top:0;z-index:50;background:#ffffffd1;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.hd-in{max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:28px;padding:0 20px;height:60px}.logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:18px;letter-spacing:-.02em}.logo-mark{width:28px;height:28px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),#6aa9ff);color:#fff;font-size:15px;font-weight:800}.logo-tag{font-style:normal;font-size:10px;font-weight:700;background:var(--ink);color:#fff;padding:2px 6px;border-radius:6px;letter-spacing:.06em}.nav{display:flex;gap:4px}.nav a{font-size:14.5px;font-weight:600;color:var(--sub);padding:7px 13px;border-radius:10px;transition:.15s}.nav a:hover{color:var(--ink);background:var(--bg)}.hd-right{margin-left:auto;display:flex;align-items:center;gap:12px}.hd-link{font-size:14px;font-weight:600;color:var(--sub)}.hd-link:hover{color:var(--ink)}.user-chip{font-size:13.5px;font-weight:700;background:var(--brand-soft);color:var(--brand-deep);padding:5px 12px;border-radius:999px}.hbg{display:none;flex-direction:column;gap:4px;background:none;border:0;padding:6px}.hbg span{width:20px;height:2px;background:var(--ink);border-radius:2px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;font-weight:700;font-size:14.5px;padding:11px 20px;transition:.15s;white-space:nowrap}.btn-sm{padding:7px 14px;font-size:13px;border-radius:10px}.btn-lg{padding:14px 26px;font-size:16px;border-radius:14px}.btn-brand{background:var(--brand);color:#fff}.btn-brand:hover{background:var(--brand-deep)}.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn-ghost:hover{background:var(--bg)}.btn-buy{flex:1;background:var(--up);color:#fff}.btn-buy:hover{filter:brightness(.94)}.btn-sell{flex:1;background:var(--down);color:#fff}.btn-sell:hover{filter:brightness(.94)}.badge{font-size:11.5px;font-weight:700;color:var(--sub);background:var(--bg);border:1px solid var(--line);padding:3px 9px;border-radius:999px;vertical-align:middle}.pill{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--brand-deep);background:#fff;border:1px solid var(--line);padding:7px 14px;border-radius:999px;box-shadow:var(--shadow)}.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);animation:pulse 2s infinite}@keyframes pulse{50%{opacity:.35}}.wrap{max-width:1120px;margin:0 auto;padding:40px 20px 64px}.wrap.narrow{max-width:760px}.sec-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}.sec-head h2{font-size:21px;font-weight:800;letter-spacing:-.02em}.grid2{display:grid;grid-template-columns:1.5fr 1fr;gap:18px}.grid-detail{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;margin-top:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card h3{font-size:16.5px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px}.back{font-size:13.5px;color:var(--sub);font-weight:600}.back:hover{color:var(--ink)}.hero{background:radial-gradient(600px 320px at 80% -10%,rgba(49,130,246,.1),transparent 60%),radial-gradient(500px 280px at 15% 110%,rgba(49,130,246,.08),transparent 60%),linear-gradient(180deg,#fff,var(--bg));border-bottom:1px solid var(--line)}.hero-in{max-width:1120px;margin:0 auto;padding:84px 20px 76px;text-align:center}.hero h1{font-size:clamp(30px,5vw,46px);font-weight:800;letter-spacing:-.035em;line-height:1.25;margin:22px 0 14px}.hero-sub{color:var(--sub);font-size:16.5px;max-width:520px;margin:0 auto}.hero-btns{display:flex;gap:10px;justify-content:center;margin-top:30px}.hero-stats{display:flex;gap:44px;justify-content:center;margin-top:52px}.hero-stats div{display:flex;flex-direction:column}.hero-stats b{font-size:24px;font-weight:800}.hero-stats span{font-size:12.5px;color:var(--sub);font-weight:600}.tbl-card{padding:6px 8px}.tbl{width:100%;border-collapse:collapse;font-size:14.5px}.tbl th{text-align:left;font-size:12.5px;font-weight:600;color:var(--sub);padding:12px 14px;border-bottom:1px solid var(--line)}.tbl td{padding:13px 14px;border-bottom:1px solid #f0f2f5}.tbl tbody tr{cursor:pointer;transition:background .12s}.tbl tbody tr:last-child td{border-bottom:0}.tbl tbody tr:hover{background:#fafbfc}.tbl .num{text-align:right;font-variant-numeric:tabular-nums}.tbl .strong{font-weight:700}.tbl .sub{color:var(--sub)}.tbl .empty{text-align:center;color:var(--sub);padding:28px 14px;cursor:default}.name-cell{display:flex;align-items:center;gap:11px;font-weight:700}.name-cell small{display:block;font-size:12px;color:var(--sub);font-weight:500}.avatar{flex:none;width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand-deep);font-size:14px;font-weight:800}.avatar.lg{width:44px;height:44px;border-radius:14px;font-size:18px}.spark-cell{width:110px}.spark{width:100px;height:32px;display:block}.me-row{background:var(--brand-soft)}.me-row:hover{background:var(--brand-soft)!important}.rank{font-weight:800;font-size:15px}.up{color:var(--up)}.down{color:var(--down)}.flat{color:var(--sub)}.price-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:18px;gap:12px}.ph-name{display:flex;align-items:center;gap:13px}.ph-name b{font-size:19px;font-weight:800;display:block}.ph-name small{color:var(--sub);font-size:12.5px}.ph-price{text-align:right}.ph-price b{font-size:27px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.ph-price b span{font-size:16px;margin-left:2px}.ph-price>span{display:block;font-weight:700;font-size:14px}.chart{width:100%;height:220px;display:block}.kv{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}.kv div{background:var(--bg);border-radius:12px;padding:12px 14px}.kv span{display:block;font-size:12px;color:var(--sub);font-weight:600;margin-bottom:3px}.kv b{font-size:14.5px;font-variant-numeric:tabular-nums}.orderbox input{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 15px;font-size:15px;margin-bottom:10px;outline:none;font-variant-numeric:tabular-nums}.orderbox input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.ob-info{margin-bottom:14px}.ob-info div{display:flex;justify-content:space-between;font-size:13.5px;padding:7px 0;border-bottom:1px dashed var(--line)}.ob-info span{color:var(--sub)}.ob-info b{font-variant-numeric:tabular-nums}.quick{display:flex;gap:7px;margin-bottom:12px}.quick .btn{flex:1}.est{display:flex;justify-content:space-between;font-size:14px;padding:12px 0;border-top:1px solid var(--line)}.est b{font-variant-numeric:tabular-nums}.ob-btns{display:flex;gap:9px}.ob-login{text-align:center;padding:24px 0 8px}.ob-login p{color:var(--sub);font-size:14px;margin-bottom:16px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat span{display:block;font-size:12.5px;color:var(--sub);font-weight:600;margin-bottom:5px}.stat b{font-size:21px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.stat em{display:block;font-style:normal;font-size:13px;font-weight:700;margin-top:3px}.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}.feat{text-align:center;padding:30px 20px}.feat-icon{font-size:30px;display:block;margin-bottom:12px}.feat b{font-size:15.5px;display:block;margin-bottom:6px}.feat p{font-size:13.5px;color:var(--sub)}.cta{display:flex;align-items:center;justify-content:space-between;gap:16px}.cta b{font-size:18px;font-weight:800}.cta p{color:var(--sub);font-size:14px;margin-top:3px}.list-item{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid #f0f2f5;font-size:14px}.list-item:last-child{border-bottom:0}.dt{color:var(--sub);font-size:12.5px;flex:none}.acc{padding:15px 0;border-bottom:1px solid #f0f2f5;cursor:pointer}.acc:last-child{border-bottom:0}.acc-head{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14.5px}.acc-body{margin-top:10px;color:var(--sub);font-size:14px;white-space:pre-wrap}.empty{color:var(--sub);font-size:13.5px;text-align:center;padding:12px}.auth-wrap{display:flex;justify-content:center;padding-top:72px}.form-card{width:100%;max-width:400px;text-align:center;padding:36px 30px}.form-card .logo{justify-content:center;margin-bottom:18px}.form-card h3{font-size:21px;margin-bottom:6px;justify-content:center}.form-sub{color:var(--sub);font-size:13.5px;margin-bottom:22px}.form-card input{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 15px;font-size:15px;margin-bottom:10px;outline:none;text-align:left}.form-card input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.form-card .btn{width:100%;margin-top:4px}.form-alt{margin-top:18px;font-size:13.5px;color:var(--sub)}.form-alt a{color:var(--brand);font-weight:700}.form-hint{margin-top:10px;font-size:12.5px;color:var(--sub)}.err{background:var(--up-soft);color:var(--up);font-size:13px;font-weight:600;padding:10px 14px;border-radius:10px;margin-bottom:12px}.adm-tabs{display:flex;gap:6px;margin-bottom:18px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:5px;width:fit-content}.adm-tabs button{border:0;background:none;padding:8px 18px;border-radius:10px;font-size:13.5px;font-weight:700;color:var(--sub)}.adm-tabs button.on{background:var(--ink);color:#fff}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%);background:var(--ink);color:#fff;font-size:14px;font-weight:600;padding:13px 22px;border-radius:14px;z-index:100;box-shadow:0 8px 30px #0003;animation:rise .25s ease}@keyframes rise{0%{transform:translate(-50%,12px);opacity:0}}.ft{border-top:1px solid var(--line);background:#fff;margin-top:40px}.ft-in{max-width:1120px;margin:0 auto;padding:40px 20px 24px;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.ft-desc{color:var(--sub);font-size:13px;margin-top:12px}.ft-links{display:flex;flex-direction:column;gap:8px;font-size:13.5px;font-weight:600;color:var(--sub)}.ft-links a:hover{color:var(--ink)}.ft-copy{text-align:center;font-size:12px;color:var(--sub);padding:18px;border-top:1px solid #f0f2f5}@media (max-width: 860px){.grid2,.grid-detail{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}.feat-grid{grid-template-columns:1fr}.hide-m{display:none}.kv{grid-template-columns:repeat(2,1fr)}.nav{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 16px;gap:2px}.nav.on,.hbg{display:flex}.hero-stats{gap:26px}.cta{flex-direction:column;align-items:flex-start}.spark-cell{display:none}}