:root{--primary:#1e40af;--primary-dark:#1e3a8a;--primary-light:#3b82f6;--secondary:#0ea5e9;--accent:#06b6d4;--accent-warm:#f59e0b;--text:#0f172a;--text-light:#475569;--text-lighter:#94a3b8;--bg:#ffffff;--bg-light:#f8fafc;--bg-warm:#f1f5f9;--bg-dark:#0f172a;--bg-dark2:#1e293b;--border:#e2e8f0;--border-light:#f1f5f9;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.04),0 1px 3px 0 rgba(0,0,0,.06);--shadow:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -4px rgba(0,0,0,.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.04);--shadow-blue:0 4px 14px 0 rgba(30,64,175,.15);--shadow-blue-lg:0 12px 28px 0 rgba(30,64,175,.2);--radius:10px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--max-width:1200px;--header-height:72px;--ease:cubic-bezier(.4,0,.2,1);--ease-bounce:cubic-bezier(.34,1.56,.64,1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}:target{scroll-margin-top:calc(var(--header-height) + 20px)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}.skip-link{position:absolute;top:-100px;left:0;background:var(--primary);color:#fff;padding:12px 24px;z-index:10000;border-radius:0 0 8px 0;font-size:14px;font-weight:500;transition:top .3s var(--ease)}.skip-link:focus{top:0}.nav a,.search-item,a.btn,button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}@media 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.container{display:flex;align-items:center;justify-content:space-between;height:100%;gap:20px}.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px;box-shadow:var(--shadow-blue);flex-shrink:0}.logo-img{width:40px;height:40px;border-radius:10px;object-fit:cover;flex-shrink:0;box-shadow:0 2px 8px rgba(0,0,0,.1)}.logo-name{font-size:17px;color:var(--text);line-height:1.2;font-weight:700;white-space:nowrap;letter-spacing:-.3px}.logo-text span{font-size:10px;color:var(--text-light);white-space:nowrap;font-weight:500}.nav{display:flex;gap:28px;flex:1;justify-content:center;min-width:0}.nav a{font-size:14px;font-weight:500;color:var(--text-light);position:relative;padding:8px 0;transition:color .25s var(--ease);white-space:nowrap;letter-spacing:.2px}.nav a.active,.nav a:hover{color:var(--primary)}.nav a.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:2px}.header-search{display:none;background:0 0;border:none;font-size:24px;cursor:pointer;color:var(--text)}.mobile-menu-btn{display:none;background:0 0;border:none;font-size:24px;cursor:pointer;color:var(--text)}.header-search{position:relative;display:flex;align-items:center;gap:6px;flex-shrink:0}.header-search input{padding:8px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;width:160px;transition:border-color .3s var(--ease),box-shadow .3s var(--ease),width .3s var(--ease);font-family:inherit;flex-shrink:0;background:var(--bg-light)}.header-search input:focus-visible{border-color:var(--primary);width:220px;box-shadow:0 0 0 3px rgba(30,64,175,.1);background:#fff}.header-search button{background:0 0;border:none;font-size:18px;cursor:pointer;padding:6px;opacity:.6;transition:opacity .2s}.header-search button:hover{opacity:1}.search-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:340px;background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-xl);border:1px solid var(--border);display:none;z-index:1001;max-height:400px;overflow-y:auto}.search-item{display:block;padding:12px 16px;border-bottom:1px solid var(--border-light);transition:background .2s}.search-item:hover{background:var(--bg-light)}.search-item-name{font-size:14px;font-weight:500;color:var(--text);margin-bottom:2px}.search-item-meta{font-size:12px;color:var(--text-light)}.search-no-result{padding:24px;text-align:center;color:var(--text-light);font-size:14px}.footer{background:linear-gradient(180deg,var(--bg-dark) 0,var(--bg-dark2) 100%);color:#94a3b8;padding:64px 0 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rgba(30,64,175,.1);background:#fff}.form-textarea{resize:vertical;min-height:120px}@media (max-width:1024px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){:root{--header-height:60px}.header .container{gap:8px;padding:0 12px}.logo{gap:8px}.logo-icon{width:34px;height:34px;font-size:15px;border-radius:8px;flex-shrink:0}.logo-img{width:34px;height:34px;border-radius:8px}.logo-name{font-size:13px}.logo-text span{font-size:9px}.header-search{display:none}.nav{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;box-shadow:var(--shadow-lg);gap:0;border-top:1px solid var(--border)}.nav.active{display:flex}.nav a{padding:14px 0;border-bottom:1px solid var(--border-light);font-size:15px}.nav a:last-child{border-bottom:none}.nav a.active::after{display:none}.mobile-menu-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;background:var(--bg-light);font-size:20px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:32px}.section-title h2{font-size:24px}.breadcrumb h1{font-size:24px}}