:root{--bg:#ffffff;--text:#000000;--muted:#6B7280;--border:#E5E7EB;--shadow:0 8px 24px rgba(0,0,0,.08);--card:#FFFFFF;--card-ghost:#FAFBFD;--color-primary:#05299E;--color-secondary:#5E4AE3;--color-accent:#947BD3;--color-pink-1:#F0A7A0;--color-pink-2:#F26CA7;--accent:var(--color-primary);--accent-2:var(--color-secondary);--topbar:#F1F4F8;--topbar-text:var(--color-primary);--primary-color:var(--color-primary);--primary-transparent:rgba(5,41,158,0.2);--text-primary:var(--text);--text-secondary:var(--muted);--text-disabled:#9CA3AF;--border-color:var(--border);--background-light:#F3F4F6;--danger-color:#EF4444;--ring:8px;--halo:6px}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:20px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:inherit;text-decoration:none}.container{max-width:1120px;margin:0 auto;padding:40px 20px 80px}.topbar{background:var(--topbar);color:var(--topbar-text)}.topbar .wrap{max-width:1120px;margin:0 auto;padding:10px 20px;height:5%;display:flex;align-items:center;justify-content:space-between}.brand a,.nav a{color:var(--topbar-text)}.nav a{margin-left:16px}.nav a:hover{text-decoration:underline}.footer{text-align:center;opacity:.7;padding:24px 0 40px}.u-card{background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}.u-card:hover{transform:translateY(-1px)}.u-btn{display:inline-block;padding:12px 16px;border-radius:10px;font-weight:800;cursor:pointer;border:1px solid var(--border);background:var(--card-ghost);color:var(--text);transition:background .15s,border-color .15s,transform .03s}.u-btn:active{transform:scale(.98)}.u-btn--primary{background:var(--accent);border-color:var(--accent);color:#fff}.u-btn--primary:hover{background:var(--accent-2);border-color:var(--accent-2)}.u-btn--ghost:hover{background:#F1F5F9;border-color:#D1D5DB}