*{margin:0;padding:0;box-sizing:border-box}:root{--primary:#1E3A5F;--accent:#8B9DAF;--text-dark:#1E293B;--white:#FFFFFF;--border-light:#E2E8F0;--transition:all 0.2s ease}body{font-family:'Inter',system-ui,-apple-system,sans-serif;background-color:var(--white);color:var(--text-dark);line-height:1.6;-webkit-font-smoothing:antialiased}.container{max-width:1200px;margin:0 auto;padding:0 24px}a{text-decoration:none;color:inherit}.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;min-height:72px;border-bottom:1px solid var(--border-light)}.logo{font-size:1.9rem;font-weight:700;letter-spacing:-0.02em;color:var(--primary);display:flex;align-items:center;gap:6px}.logo i{color:var(--accent);font-size:1.8rem}.nav-list{display:flex;gap:2.5rem;list-style:none}.nav-list a{font-weight:500;font-size:1.05rem;color:var(--text-dark);padding-bottom:6px;border-bottom:2px solid transparent;transition:var(--transition)}.nav-list a:hover{color:var(--primary);border-bottom-color:var(--accent)}@media (max-width:640px){.header-inner{flex-direction:column;gap:12px;padding:12px 0}.nav-list{flex-wrap:wrap;justify-content:center;gap:1.8rem 2rem}.logo{font-size:1.7rem}}.footer-bottom{border-top:1px solid rgba(30,58,95,0.15);margin-top:40px;padding:28px 0 16px;text-align:center;font-size:0.95rem;color:var(--text-dark);opacity:0.7}i{margin-right:4px}