:root{--bg:#fff;--text:#1a1a1a;--muted:#4a5568;--primary:#3b82f6;--primary-light:#60a5fa;--primary-dark:#2563eb;--border:#e2e8f0;--accent:#f1f5f9;--gradient-primary:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,"Apple Color Emoji","Segoe UI Emoji";color:var(--text);background:var(--bg);line-height:1.65}.container{max-width:1200px;padding:0 20px;margin:0 auto}.site-header{border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 3px rgba(0,0,0,.1)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:90px}.logo{font-weight:700;font-size:20px;text-decoration:none;color:var(--primary);display:inline-flex;align-items:center;gap:8px;transition:all .3s ease}.logo:hover{transform:scale(1.05)}.logo img{transition:all .3s ease}.site-nav ul{display:flex;gap:12px;list-style:none;padding:0;margin:0}.site-nav a{text-decoration:none;color:var(--text);padding:8px 12px;border-radius:8px;transition:all .2s ease;font-weight:500;font-size:14px}.site-nav a:hover{background:var(--primary-light);color:#fff}.dropdown{position:relative;display:flex;align-items:center}.dropdown-toggle{display:inline-flex;align-items:center;gap:4px;cursor:pointer;text-decoration:none;color:var(--text);padding:8px 12px;border-radius:8px;transition:all .2s ease;font-weight:500;font-size:14px;line-height:1}.dropdown-toggle::after{content:'';width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:4px solid currentColor;margin-left:4px;transition:transform .2s ease}.dropdown:hover .dropdown-toggle::after{transform:rotate(180deg)}.dropdown-toggle:hover{background:var(--primary-light);color:#fff}.dropdown-menu{position:absolute!important;top:100%!important;left:0!important;background:#fff!important;border:1px solid var(--border)!important;border-radius:8px!important;box-shadow:0 4px 12px rgba(0,0,0,.1)!important;display:none!important;min-width:180px!important;z-index:100!important;padding:8px 0!important}.dropdown:hover .dropdown-menu{display:block!important}.dropdown-menu li{list-style:none!important}.dropdown-menu a{display:flex!important;align-items:center!important;gap:8px!important;padding:10px 16px!important;text-decoration:none!important;color:var(--text)!important;transition:all .2s ease!important;font-size:14px!important;border-radius:0!important}.dropdown-menu a:hover{background:var(--primary-light)!important;color:#fff!important}.nav-toggle{display:none;background:transparent;border:1px solid var(--border);padding:8px 12px;border-radius:8px}.language-selector{position:relative;margin-right:20px}.language-toggle{display:flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--border);padding:8px 12px;border-radius:8px;cursor:pointer;transition:all .2s ease;font-size:14px;color:var(--text)}.language-toggle:hover{background:var(--primary-light);color:#fff;border-color:var(--primary-light)}.current-language{font-size:16px}.language-dropdown{position:absolute;top:100%;right:0;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.1);display:none;min-width:150px;z-index:100}.language-selector:hover .language-dropdown{display:block}.language-option{display:flex;align-items:center;gap:8px;padding:8px 12px;text-decoration:none;color:var(--text);transition:background .2s ease}.language-option:hover{background:var(--accent)}.language-option.active{background:var(--primary-light);color:#fff}.language-flag{font-size:16px}.language-name{font-size:14px}.site-main{padding-top:24px}@media (max-width:768px){.nav-toggle{display:inline-block}.site-nav{display:none;position:absolute;top:90px;right:20px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:0 4px 12px rgba(0,0,0,.15);transform-origin:top right}.site-nav.open{display:block}.site-nav ul{flex-direction:column}.dropdown-menu{position:static!important;display:block!important;background:transparent!important;border:none!important;box-shadow:none!important;padding:0!important;margin:0!important;min-width:auto!important}.dropdown-menu a{padding:8px 20px!important;font-size:13px!important;color:var(--text)!important}.dropdown-toggle::after{display:none}}