@font-face{font-family:'Font Awesome 6 Free';font-display:swap;}@font-face{font-family:'Font Awesome 6 Brands';font-display:swap;}:root{--primary:#001f99;--accent:#f97316;--text-dark:#0f172a;--text-gray:#64748b;--text-light:#ffffff;--bg-white:#ffffff;--bg-light:#f8fafc;--footer-bg:#04194e;--radius-sm:4px;--radius-md:8px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -1px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.1),0 10px 10px -5px rgba(0,0,0,0.04);}.theme-primary{color:var(--primary);}.theme-accent{color:var(--accent);}.theme-text-dark{color:var(--text-dark);}.theme-text-gray{color:var(--text-gray);}.theme-text-light{color:var(--text-light);}.theme-bg-white{background-color:var(--bg-white);}.theme-bg-light{background-color:var(--bg-light);}.theme-bg-primary{background-color:var(--primary);}.theme-bg-accent{background-color:var(--accent);}*{margin:0;padding:0;box-sizing:border-box;}html,body{width:100%;min-width:100%;margin:0;padding:0;}body{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--text-dark);background:var(--bg-light);line-height:1.6;}.site-header{background:#F8FAFE;border-bottom:1px solid #E9EDF2;position:sticky;top:0;z-index:1000;}.nav-bar{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 2rem;height:80px;overflow:visible;}.nav-logo{text-decoration:none;font-size:1.4rem;font-weight:800;color:var(--navy);white-space:nowrap;display:flex;align-items:center;gap:0.5rem;height:80px;}.nav-logo strong{color:var(--orange);}.logo-img{height:60px;width:auto;object-fit:contain;margin-top:0;border-radius:0;background:transparent;}.nav-links{list-style:none;display:flex;gap:0.3rem;align-items:center;flex-wrap:wrap;}.nav-links li{position:relative;}.nav-links a{text-decoration:none;color:var(--text-gray);font-weight:500;padding:0.5rem 0.8rem;border-radius:6px;display:block;transition:all 0.15s;font-size:0.95rem;}.nav-links a:hover{background:#F9EEEB;color:#f97316;}.nav-links a.active{background:#eff6ff;color:var(--primary);font-weight:600;}.nav-links .dropdown{display:none;position:absolute;top:100%;left:0;background:#F8FAFE;box-shadow:0 8px 24px rgba(0,0,0,0.1);border-radius:8px;min-width:200px;padding:0.5rem 0;z-index:100;}.nav-links li:hover .dropdown{display:block;}.nav-links .dropdown a{padding:0.6rem 1.2rem;font-size:0.9rem;}.nav-right{display:flex;gap:0.4rem;align-items:center;}.nav-right button{padding:0.35rem 0.7rem;border:2px solid var(--primary);background:#F8FAFE;color:var(--primary);border-radius:6px;cursor:pointer;font-weight:600;font-size:0.85rem;transition:all 0.15s;}.nav-right button.active{background:var(--primary);color:#fff;}.nav-right .btn-switch{padding:0.35rem 0.7rem;border:2px solid #64748b;color:#64748b;border-radius:6px;text-decoration:none;font-weight:600;font-size:0.85rem;}.nav-right .btn-switch:hover{background:#F9EEEB;}.site-footer{text-align:center;padding:3rem 2rem;background:var(--footer-bg);color:#cbd5e1;margin-top:0;font-size:0.95rem;line-height:1.8;}.site-footer strong{color:#fff;}@media (max-width:768px){.nav-bar{flex-wrap:wrap;height:auto;padding:0.5rem 1rem;gap:0.5rem;}.logo-img{height:60px;margin-top:0;border-radius:0;}.nav-logo{height:60px;font-size:1.1rem;}.nav-links{display:none;}.nav-right{gap:0.3rem;}.nav-right button{padding:0.3rem 0.5rem;font-size:0.75rem;}.nav-right .btn-switch{padding:0.3rem 0.5rem;font-size:0.75rem;}}.hamburger{display:none;flex-direction:column;justify-content:space-between;width:28px;height:20px;padding:0;background:transparent;border:none;cursor:pointer;z-index:1001;}@media (max-width:768px){.hamburger{display:flex;}.hamburger span{display:block;width:100%;height:3px;background:#475569;border-radius:2px;transition:all 0.3s ease;transform-origin:center;}.hamburger.active span:nth-child(1){transform:translateY(8.5px) rotate(45deg);}.hamburger.active span:nth-child(2){opacity:0;transform:scaleX(0);}.hamburger.active span:nth-child(3){transform:translateY(-8.5px) rotate(-45deg);}}.mobile-nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:999;opacity:0;transition:opacity 0.3s ease;}.mobile-nav-overlay.active{opacity:1;}.nav-links.active{display:flex !important;flex-direction:column;position:fixed;top:0;right:0;width:280px;height:100vh;background:#F8FAFE;padding:80px 20px 20px;box-shadow:-4px 0 20px rgba(0,0,0,0.15);z-index:1000;overflow-y:auto;}.nav-links.active li{margin:0.5rem 0;}.nav-links.active a{font-size:1.1rem;padding:0.8rem 1rem;border-radius:8px;}.nav-links.active a:hover{background:#F9EEEB;}.nav-links.active .dropdown{position:static;box-shadow:none;padding-left:1rem;background:transparent;}.nav-links.active .dropdown a{font-size:1rem;padding:0.6rem 1rem;}.mobile-bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:#F8FAFE;box-shadow:0 -2px 10px rgba(0,0,0,0.1);z-index:998;padding:8px 0;padding-bottom:max(8px,env(safe-area-inset-bottom));}.mobile-bottom-nav-inner{display:flex;justify-content:space-around;align-items:center;}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 12px;color:#64748b;text-decoration:none;font-size:0.7rem;transition:color 0.2s;}.mobile-bottom-nav a:hover,.mobile-bottom-nav a.active{color:var(--primary);}.mobile-bottom-nav .nav-icon{font-size:1.3rem;}@media (max-width:768px){.mobile-bottom-nav{display:block;}body{padding-bottom:70px;}}.back-to-top{position:fixed;bottom:90px;right:20px;width:48px;height:48px;border-radius:50%;background:var(--primary,#0F3B5E);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 4px 15px rgba(0,0,0,0.2);z-index:997;opacity:0;visibility:hidden;transform:translateY(20px);transition:all 0.3s ease;}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0);}.back-to-top:hover{background:var(--accent,#f97316);transform:translateY(-4px);}@media (max-width:768px){.back-to-top{bottom:90px;right:16px;width:44px;height:44px;}}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:8px;}@keyframes skeleton-loading{0%{background-position:200% 0;}100%{background-position:-200% 0;}}.skeleton-card{background:#fff;border-radius:12px;padding:1rem;overflow:hidden;}.skeleton-image{width:100%;aspect-ratio:4 / 3;background:#e2e8f0;}.skeleton-title{height:20px;width:80%;margin:1rem 0 0.5rem;}.skeleton-text{height:14px;width:60%;margin-bottom:0.5rem;}.skeleton-text-short{height:14px;width:40%;}.skeleton-btn{height:36px;width:120px;margin-top:1rem;}.product-skeleton-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;}.product-skeleton-item{background:#fff;border-radius:12px;overflow:hidden;border:1px solid #e2e8f0;}.product-skeleton-img{width:100%;aspect-ratio:4 / 3;}.product-skeleton-info{padding:1rem;}.product-skeleton-title{height:18px;width:70%;margin-bottom:0.8rem;}.product-skeleton-text{height:12px;width:90%;margin-bottom:0.5rem;}.news-skeleton-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;}.news-skeleton-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,0.04);}.news-skeleton-img{width:100%;aspect-ratio:4 / 3;}.news-skeleton-info{padding:1.5rem;}.news-skeleton-title{height:22px;width:85%;margin-bottom:0.8rem;}.news-skeleton-text{height:14px;width:95%;margin-bottom:0.5rem;}.news-skeleton-text-short{height:14px;width:60%;}.info-card{background:#e6f2ff;border-radius:12px;padding:1.5rem;margin:1rem 0;border:1px solid #b3d9ff;}.blue-title{color:#0066cc;font-size:18px;font-weight:bold;margin:0 0 1rem 0;padding:0;}.highlight-keyword{background:#cce6ff;color:#0066cc;font-weight:bold;padding:0 4px;border-radius:4px;}.info-card ul{padding-left:1.5rem;margin:0.5rem 0;}.info-card ul li{margin-bottom:0.5rem;line-height:1.8;}