:root{
  --bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;
  --primary:#315efb;--primary-dark:#2347c9;--green:#087443;--green-bg:#e9f8ef;
  --blue:#175cd3;--blue-bg:#eaf2ff;--danger:#b42318;--danger-bg:#feeceb;
  --shadow:0 8px 30px rgba(16,24,40,.07);--radius:16px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.55}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1120px,92%);margin:auto}
.topbar{background:#101828;color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 12px rgba(0,0,0,.12)}
.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:800;color:#fff;font-size:20px}
.nav nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.nav nav a{color:#d0d5dd;font-size:14px}
.nav nav .nav-cta{background:#fff;color:#101828;padding:9px 13px;border-radius:9px;font-weight:700}
.page{padding:32px 0 60px}
.hero{background:linear-gradient(135deg,#101828,#243b78);color:#fff;border-radius:24px;padding:48px 42px;margin-bottom:28px;box-shadow:var(--shadow)}
.hero h1{font-size:42px;line-height:1.1;margin:0 0 14px}
.hero p{color:#d0d5dd;max-width:700px;font-size:18px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h2,.card h3{margin-top:0}
.stat{font-size:30px;font-weight:800}
.muted{color:var(--muted)}
.btn{display:inline-block;border:0;border-radius:10px;padding:11px 16px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--primary-dark);text-decoration:none}
.btn.secondary{background:#eef2ff;color:#243b78}
.btn.dark{background:#101828}
.btn.danger{background:#b42318}
.btn.small{padding:7px 10px;font-size:13px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
label{font-weight:700;font-size:14px}
input,select,textarea{font:inherit;border:1px solid #d0d5dd;border-radius:9px;padding:11px 12px;background:#fff;color:var(--text)}
textarea{min-height:120px;resize:vertical}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.check{border:1px solid var(--line);padding:10px;border-radius:9px;font-weight:400}
.check input{margin-right:6px}
.help{font-size:13px;color:var(--muted)}
.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px}
.alert.success{background:var(--green-bg);color:var(--green)}
.alert.error{background:var(--danger-bg);color:var(--danger)}
.alert.info{background:#eef4ff;color:#175cd3}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f8f9fc;font-size:13px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}
.badge-green{background:var(--green-bg);color:var(--green)}
.badge-blue{background:var(--blue-bg);color:var(--blue)}
.badge-gray{background:#f2f4f7;color:#475467}
.badge-red{background:var(--danger-bg);color:var(--danger)}
.profile-head{display:flex;gap:22px;align-items:center}
.avatar{width:110px;height:110px;border-radius:50%;object-fit:cover;background:#e4e7ec;border:4px solid #fff;box-shadow:var(--shadow)}
.avatar.placeholder{display:flex;align-items:center;justify-content:center;font-size:40px;font-weight:800;color:#475467}
.profile-title h1{margin:0 0 4px}
.profile-title p{margin:4px 0}
.kv{display:grid;grid-template-columns:180px 1fr;gap:8px 20px}
.kv div{padding:8px 0;border-bottom:1px solid #f0f2f5}
.trade-images{display:flex;gap:12px;flex-wrap:wrap}
.trade-images img{width:220px;height:140px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.empty{padding:35px;text-align:center;color:var(--muted)}
.footer{padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px;background:#fff}
.notice{padding:16px;border-left:4px solid var(--primary);background:#f5f7ff;border-radius:8px}
hr{border:0;border-top:1px solid var(--line);margin:24px 0}
@media(max-width:800px){
 .grid,.grid-2,.form-grid{grid-template-columns:1fr}
 .check-grid{grid-template-columns:repeat(2,1fr)}
 .hero{padding:30px 24px}.hero h1{font-size:32px}
 .nav{align-items:flex-start;padding:12px 0}.nav nav{gap:10px}
 .profile-head{align-items:flex-start;flex-direction:column}.kv{grid-template-columns:1fr}
}