.site-header {background:var(--bg-surface);border-bottom:1px solid var(--border-color);padding:var(--spacing-sm) 0;transition:all var(--transition-base);}.sticky-header {position:sticky;top:0;background:var(--background-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-glass);box-shadow:var(--shadow-sm);}.header-inner {display:flex;align-items:center;justify-content:space-between;}.site-branding {display:flex;align-items:center;}.site-title {font-size:1.5rem;font-weight:800;color:var(--text-primary);text-transform:uppercase;letter-spacing:-0.5px;}.logo-neon .site-title {background:linear-gradient(135deg, #818cf8, #c084fc, #22d3ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:900;font-size:2.2rem;font-family:var(--font-heading);letter-spacing:-0.03em;filter:drop-shadow(0 0 15px rgba(129, 140, 248, 0.4));animation:neonPulse 4s infinite alternate, neonFlicker 2s infinite;}@keyframes neonPulse {0% {filter:drop-shadow(0 0 10px rgba(129, 140, 248, 0.4));}50% {filter:drop-shadow(0 0 25px rgba(34, 211, 238, 0.6));}100% {filter:drop-shadow(0 0 15px rgba(192, 132, 252, 0.5));}}@keyframes neonFlicker {0%,18%,22%,25%,53%,57%,100% {opacity:1;}20%,24%,55% {opacity:0.8;}}[data-theme="dark"] .logo-neon .site-title {background:linear-gradient(135deg, #60a5fa, #c084fc, #34d399);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 20px rgba(96, 165, 250, 0.5));}.main-navigation ul {display:flex;list-style:none;margin:0;padding:0;gap:0.5rem;}.main-navigation a {color:var(--text-secondary);font-weight:500;font-size:0.95rem;display:flex;align-items:center;gap:0.5rem;transition:all var(--transition-base);padding:0.6rem 1rem;border-radius:var(--radius-full);}.main-navigation a i {font-size:1.1rem;transition:transform var(--transition-bounce);}.main-navigation a:hover {color:var(--primary-color);background:rgba(79, 70, 229, 0.08);transform:translateY(-2px);}.nav-sticker {position:absolute;top:-5px;right:-5px;font-size:0.65rem;font-weight:900;padding:1px 6px;border-radius:20px;color:white;box-shadow:0 2px 5px rgba(0, 0, 0, 0.1);pointer-events:none;}.sticker-hot-nav {background:linear-gradient(135deg, #ff416c, #ff4b2b);}.sticker-new-nav {background:linear-gradient(135deg, #0cebeb, #20e3b2, #29ffc6);}.main-navigation li {position:relative;}[data-theme="dark"] .main-navigation a:hover {color:var(--brand-neon);background:rgba(255, 255, 255, 0.08);}.header-actions {display:flex;align-items:center;gap:1rem;}.action-btn {background:transparent;border:none;color:var(--text-secondary);font-size:1.2rem;cursor:pointer;padding:0.5rem;border-radius:50%;transition:all var(--transition-fast);}.action-btn:hover {color:var(--brand-primary);background:rgba(79, 70, 229, 0.1);}.lang-selector-wrapper {position:relative;margin-left:0.5rem;}.lang-btn-premium {background:var(--bg-surface);border:1px solid var(--border-color);padding:0.6rem 1.2rem;border-radius:var(--radius-full);display:flex;align-items:center;gap:0.8rem;cursor:pointer;transition:all var(--transition-base);color:var(--text-primary);font-weight:600;box-shadow:var(--shadow-sm);}.lang-btn-premium i:first-child {color:var(--brand-primary);font-size:1.1rem;}.lang-btn-premium .active-lang {font-size:0.85rem;letter-spacing:0.05em;}.lang-btn-premium i:last-child {font-size:0.8rem;color:var(--text-tertiary);transition:transform 0.3s ease;}.lang-btn-premium:hover {border-color:var(--brand-primary);transform:translateY(-2px);box-shadow:0 8px 25px rgba(79, 70, 229, 0.2);background:var(--bg-surface-alt);}.lang-selector-wrapper.active .lang-btn-premium i:last-child {transform:rotate(180deg);}.lang-glass-dropdown {position:absolute;top:calc(100% + 15px);right:0;width:380px;max-height:500px;overflow-y:auto;background:var(--background-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:1.25rem;z-index:2000;box-shadow:var(--shadow-xl);display:none;opacity:0;transform:translateY(15px);transition:all 0.4s cubic-bezier(0.19, 1, 0.22, 1);}.lang-selector-wrapper.active .lang-glass-dropdown {display:block;opacity:1;transform:translateY(0);}.lang-grid {display:grid;grid-template-columns:repeat(2, 1fr);gap:0.75rem;}.lang-link {display:flex;align-items:center;padding:0.75rem 1rem;border-radius:var(--radius-md);color:var(--text-secondary);font-size:0.95rem;transition:all 0.2s ease;text-decoration:none !important;background:rgba(255, 255, 255, 0.03);border:1px solid transparent;}.lang-link:hover {background:rgba(79, 70, 229, 0.1);color:var(--brand-primary);border-color:rgba(79, 70, 229, 0.2);transform:translateY(-2px);}.lang-link.active {background:var(--brand-gradient);color:white !important;font-weight:600;box-shadow:0 4px 15px rgba(79, 70, 229, 0.3);}.lang-glass-dropdown::-webkit-scrollbar {width:6px;}.lang-glass-dropdown::-webkit-scrollbar-track {background:rgba(0, 0, 0, 0.1);border-radius:10px;}.lang-glass-dropdown::-webkit-scrollbar-thumb {background:var(--brand-primary);border-radius:10px;}.lang-glass-dropdown::-webkit-scrollbar-thumb:hover {background:var(--brand-secondary);}[data-theme="dark"] .lang-glass-dropdown {background:rgba(15, 23, 42, 0.85);border-color:rgba(255, 255, 255, 0.1);}[data-theme="dark"] .lang-link:hover {background:rgba(255, 255, 255, 0.05);}@media (max-width:992px) {.lang-btn-premium {padding:0.5rem 1rem;}.lang-btn-premium .active-lang {display:none;}}@media (max-width:768px) {.lang-glass-dropdown {position:fixed;bottom:2rem;top:auto;left:1rem;right:1rem;width:calc(100% - 2rem);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:0 -10px 40px rgba(0, 0, 0, 0.2);}.lang-grid {grid-template-columns:repeat(2, 1fr);}.lang-btn-premium .active-lang {display:inline;}}@media (max-width:480px) {.lang-grid {grid-template-columns:1fr;}}.language-dropdown-wrapper {position:relative;}.lang-selector-btn {display:flex;align-items:center;gap:0.6rem;background:var(--bg-surface);border:1px solid var(--border-color);padding:0.5rem 1rem;border-radius:var(--radius-full);color:var(--text-primary);font-weight:600;font-size:0.85rem;cursor:pointer;transition:all var(--transition-base);box-shadow:var(--shadow-sm);}.lang-selector-btn:hover {border-color:var(--brand-primary);transform:translateY(-2px);box-shadow:0 8px 20px rgba(79, 70, 229, 0.2);background:var(--bg-surface-alt);}.lang-selector-btn i {color:var(--brand-primary);font-size:1.1rem;filter:drop-shadow(0 0 5px rgba(79, 70, 229, 0.3));}.lang-selector-btn .lang-code {letter-spacing:0.05em;font-size:0.9rem;}.lang-selector-btn .chevron {font-size:0.7rem;color:var(--text-tertiary);transition:transform 0.3s ease;}.language-dropdown-wrapper.active .chevron {transform:rotate(180deg);}.lang-dropdown-menu {position:absolute;top:calc(100% + 12px);right:0;width:220px;padding:0.75rem;border-radius:var(--radius-lg);z-index:1100;display:none;opacity:0;transform:translateY(10px);transition:opacity 0.3s ease, transform 0.3s ease;}.language-dropdown-wrapper.active .lang-dropdown-menu {display:block;opacity:1;transform:translateY(0);}.lang-dropdown-inner {display:flex;flex-direction:column;gap:0.25rem;}.lang-item {display:flex;align-items:center;justify-content:space-between;padding:0.7rem 1rem;border-radius:var(--radius-md);color:var(--text-secondary);font-size:0.9rem;transition:all 0.2s ease;text-decoration:none !important;}.lang-item:hover {background:rgba(79, 70, 229, 0.12);color:var(--brand-primary);transform:translateX(8px);}.lang-item.active {background:var(--brand-gradient);color:white;box-shadow:0 4px 12px rgba(79, 70, 229, 0.3);}.lang-item.active .lang-code-sm {background:rgba(255, 255, 255, 0.2);color:white;}.lang-code-sm {font-size:0.7rem;font-weight:800;color:var(--text-tertiary);background:rgba(0, 0, 0, 0.05);padding:2px 8px;border-radius:6px;transition:all 0.2s ease;}.lang-item:hover .lang-code-sm {background:var(--brand-primary);color:white;}[data-theme="dark"] .lang-item:hover {background:rgba(255, 255, 255, 0.05);}[data-theme="dark"] .lang-code-sm {background:rgba(255, 255, 255, 0.1);}.menu-toggle {display:none;flex-direction:column;justify-content:space-between;width:30px;height:21px;background:transparent;border:none;cursor:pointer;padding:0;z-index:1001;}.menu-toggle span {width:100%;height:3px;background:var(--text-primary);border-radius:3px;transition:all 0.3s ease;}@media (max-width:992px) {.menu-toggle {display:flex;}.main-navigation {position:fixed;top:0;right:-100%;width:80%;max-width:300px;height:100vh;background:var(--bg-surface);padding:5rem 2rem;box-shadow:var(--shadow-xl);transition:right 0.3s ease;z-index:1000;}.main-navigation.active {right:0;}.main-navigation ul {flex-direction:column;gap:1.5rem;}}