:root{--bg:#F4F8FD;--card:#FFFFFF;--soft:#EAF3FF;--line:#C3D6F0;--title:#143250;--text:#243447;--muted:#5B6B7C;--sub:#7A8896;--blue:#1C63E8;--blue-dark:#154FC0;--foot:#0E2338;--foot-text:#D5E6F6;--shadow:0 14px 34px rgba(16,48,84,.08)}
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@media (max-width:1100px){.nav-core{gap:2px}.nav-core a{padding:8px 8px;font-size:14px}.header-actions{gap:6px}.login-btn,.register-btn{min-width:76px;padding:0 14px}.floating-tools{display:none}.grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
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@media (max-width:430px){.mobile-head{grid-template-columns:44px minmax(0,1fr) 66px;padding:0 10px;gap:6px}.mobile-logo img{height:33px;max-width:138px}.mobile-login{min-width:62px;padding:0 11px}.grid-4{gap:10px}.media-card{height:154px}}