:root{--bg: #1D2341;--text: #ECEFF1;--muted: rgba(236,239,241,.75);--card: #FFFFFF;--radius: 28px;--shadow: 0 22px 60px rgba(0,0,0,.35);--max: 1800px}*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:Segoe UI,system-ui,-apple-system,Arial,sans-serif;background:var(--bg);color:var(--text)}.wrap{min-height:100vh;display:flex;flex-direction:column;padding:28px 28px 34px;gap:18px}.top{max-width:var(--max);width:100%;margin:0 auto;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:0;padding:16px 28px;flex:0 0 auto;min-height:64px;background:#1d2341;border-radius:12px}.logo{width:78px;height:64px;display:flex;align-items:center;-webkit-user-select:none;user-select:none}.nav{display:flex;align-items:center;gap:18px;font-weight:700;font-size:16px;flex-wrap:wrap;justify-content:flex-end}.nav a{color:var(--text);text-decoration:none;padding:4px 2px;opacity:.95}.nav a.active{text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px}.card{max-width:var(--max);width:100%;margin:0 auto;background:var(--card);flex:1 1 auto;display:flex;overflow:hidden}iframe{flex:1 1 auto;width:100%;border:0;display:block;background:#fff;border-radius:0!important}@media(max-width:820px){.wrap{padding:18px 16px 22px}.top{flex-direction:column;align-items:center;gap:10px}.nav{font-size:18px;gap:18px;justify-content:center}}