:root{--color-primary: #FF6B9D;--color-primary-light: #FFB3D1;--color-primary-dark: #E5487A;--color-secondary: #4ECDC4;--color-secondary-light: #7FD9D2;--color-secondary-dark: #2BB0A7;--color-accent: #FFD93D;--color-accent-light: #FFE570;--color-accent-dark: #E5C224;--color-success: #6BCF7F;--color-warning: #F9A825;--color-error: #E57373;--color-bg: #F8F9FA;--color-bg-dark: #1A1A2E;--color-text: #2D3436;--color-text-light: #636E72;--color-text-dark: #0F1419;--color-white: #FFFFFF;--color-gray-100: #F7FAFC;--color-gray-200: #EDF2F7;--color-gray-300: #E2E8F0;--color-gray-400: #CBD5E0;--color-gray-500: #A0AEC0;--color-gray-600: #718096;--color-gray-700: #4A5568;--color-gray-800: #2D3748;--color-gray-900: #1A202C;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--spacing-3xl: 64px;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--border-radius-xl: 16px;--border-radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out;--transition-slow: .5s ease-in-out;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display: "Georgia", serif;--z-index-dropdown: 1000;--z-index-sticky: 1020;--z-index-fixed: 1030;--z-index-modal: 1040;--z-index-popover: 1050;--z-index-tooltip: 1060}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:16px;line-height:1.5;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--color-text-dark);margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);line-height:1.6}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}img{max-width:100%;height:auto;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none;outline:none;transition:all var(--transition-fast)}ul,ol{list-style:none}input,textarea,select{font-family:inherit;font-size:inherit;outline:none;border:1px solid var(--color-gray-300);border-radius:var(--border-radius-md);padding:var(--spacing-sm) var(--spacing-md);transition:border-color var(--transition-fast)}input:focus,textarea:focus,select:focus{border-color:var(--color-primary)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--spacing-md)}.container-fluid{width:100%;padding:0 var(--spacing-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--border-radius-md);font-weight:600;font-size:1rem;transition:all var(--transition-fast);cursor:pointer;border:none;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:var(--color-white);box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:linear-gradient(135deg,var(--color-secondary),var(--color-secondary-dark));color:var(--color-white);box-shadow:var(--shadow-md)}.btn-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline{background:transparent;border:2px solid var(--color-primary);color:var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:var(--color-white)}.card{background:var(--color-white);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:all var(--transition-normal)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.header{position:sticky;top:0;z-index:var(--z-index-sticky);background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);padding:var(--spacing-md) 0}.header .container{display:flex;align-items:center;justify-content:space-between}.logo{font-size:1.5rem;font-weight:700;color:var(--color-primary);display:flex;align-items:center;gap:var(--spacing-sm)}.nav{display:flex;align-items:center;gap:var(--spacing-xl)}.nav a{color:var(--color-text);font-weight:500;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius-md);transition:all var(--transition-fast)}.nav a:hover,.nav a.active{background:var(--color-primary-light);color:var(--color-white)}.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;padding:var(--spacing-sm)}.hamburger span{width:24px;height:3px;background:var(--color-text);border-radius:var(--border-radius-full);transition:all var(--transition-fast)}.mobile-menu{display:none;position:fixed;top:70px;left:0;right:0;background:var(--color-white);box-shadow:var(--shadow-lg);padding:var(--spacing-lg);z-index:var(--z-index-dropdown)}.mobile-menu.active{display:block}.mobile-menu a{display:block;padding:var(--spacing-md);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-sm)}.hero{position:relative;min-height:500px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:var(--color-white);text-align:center;overflow:hidden;padding:var(--spacing-3xl) var(--spacing-md)}.hero:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');opacity:.3}.hero-content{position:relative;z-index:1;max-width:800px}.hero h1{font-size:3.5rem;margin-bottom:var(--spacing-lg);color:var(--color-white);text-shadow:0 4px 6px rgba(0,0,0,.3)}.hero p{font-size:1.25rem;margin-bottom:var(--spacing-xl);opacity:.95}.section{padding:var(--spacing-3xl) 0}.section-title{text-align:center;margin-bottom:var(--spacing-2xl);position:relative}.section-title:after{content:"";display:block;width:80px;height:4px;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));margin:var(--spacing-md) auto 0;border-radius:var(--border-radius-full)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.grid-4{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.video-card{position:relative;border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-md);transition:all var(--transition-normal);cursor:pointer;background:var(--color-white)}.video-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl)}.video-card-image{width:100%;height:200px;object-fit:cover;transition:transform var(--transition-slow)}.video-card:hover .video-card-image{transform:scale(1.1)}.video-card-content{padding:var(--spacing-md)}.video-card-title{font-size:1.1rem;font-weight:600;margin-bottom:var(--spacing-sm);color:var(--color-text-dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-card-description{font-size:.9rem;color:var(--color-text-light);margin-bottom:var(--spacing-md);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-card-meta{display:flex;align-items:center;justify-content:space-between;font-size:.85rem;color:var(--color-text-light)}.video-card-category{display:inline-block;padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-primary-light);color:var(--color-white);border-radius:var(--border-radius-full);font-size:.75rem;font-weight:600}.category-filter{display:flex;gap:var(--spacing-md);flex-wrap:wrap;justify-content:center;margin-bottom:var(--spacing-2xl)}.category-btn{padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--border-radius-full);background:var(--color-white);border:2px solid var(--color-gray-300);color:var(--color-text);font-weight:500;transition:all var(--transition-fast)}.category-btn:hover,.category-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-white);transform:translateY(-2px)}.search-bar{max-width:600px;margin:0 auto var(--spacing-2xl);position:relative}.search-input{width:100%;padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--border-radius-full);border:2px solid var(--color-gray-300);font-size:1rem;transition:all var(--transition-fast)}.search-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 4px #ff6b9d1a}.footer{background:linear-gradient(135deg,var(--color-gray-900),var(--color-gray-800));color:var(--color-gray-300);padding:var(--spacing-3xl) 0 var(--spacing-lg)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.footer-section h3{color:var(--color-white);margin-bottom:var(--spacing-md);font-size:1.2rem}.footer-section p,.footer-section a{color:var(--color-gray-400);margin-bottom:var(--spacing-sm);display:block;transition:color var(--transition-fast)}.footer-section a:hover{color:var(--color-primary-light)}.footer-bottom{text-align:center;padding-top:var(--spacing-lg);border-top:1px solid var(--color-gray-700);color:var(--color-gray-500)}.loading{display:flex;justify-content:center;align-items:center;padding:var(--spacing-3xl)}.spinner{width:48px;height:48px;border:4px solid var(--color-gray-300);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn var(--transition-slow)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.nav{display:none}.hamburger{display:flex}h1{font-size:2rem}.hero h1{font-size:2.5rem}.hero p{font-size:1rem}.section{padding:var(--spacing-xl) 0}.grid-2,.grid-3,.grid-4,.footer-content{grid-template-columns:1fr}}@media (max-width: 480px){h1{font-size:1.75rem}.hero h1{font-size:2rem}.container{padding:0 var(--spacing-sm)}}.video-player-container{max-width:1200px;margin:0 auto;padding:var(--spacing-xl)}.video-player{width:100%;border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-xl);background:#000;margin-bottom:var(--spacing-xl)}.video-player video{width:100%;height:auto;display:block}.video-info{background:var(--color-white);padding:var(--spacing-xl);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);margin-bottom:var(--spacing-xl)}.video-title-detail{font-size:2rem;margin-bottom:var(--spacing-md);color:var(--color-text-dark)}.video-meta-detail{display:flex;gap:var(--spacing-lg);flex-wrap:wrap;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-gray-300)}.video-review{line-height:1.8;color:var(--color-text);text-align:justify}.info-page{max-width:900px;margin:0 auto;padding:var(--spacing-3xl) var(--spacing-md)}.info-page h1{margin-bottom:var(--spacing-xl);text-align:center}.info-page h2{margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md);color:var(--color-primary)}.info-page h3{margin-top:var(--spacing-lg);margin-bottom:var(--spacing-md);color:var(--color-secondary)}.info-page p,.info-page li{margin-bottom:var(--spacing-md);line-height:1.8}.info-page ul,.info-page ol{margin-left:var(--spacing-xl);margin-bottom:var(--spacing-lg)}.info-page ul li{list-style:disc}.info-page ol li{list-style:decimal}.contact-info{background:var(--color-gray-100);padding:var(--spacing-lg);border-radius:var(--border-radius-lg);margin:var(--spacing-lg) 0}.timeline{position:relative;padding-left:var(--spacing-xl);margin:var(--spacing-xl) 0}.timeline:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--color-primary)}.timeline-item{position:relative;margin-bottom:var(--spacing-lg);padding-left:var(--spacing-lg)}.timeline-item:before{content:"";position:absolute;left:-26px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--color-primary);border:3px solid var(--color-white);box-shadow:0 0 0 2px var(--color-primary)}.error-page{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:var(--spacing-xl)}.error-code{font-size:6rem;font-weight:700;color:var(--color-primary);margin-bottom:var(--spacing-md)}.breadcrumb{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) 0;font-size:.9rem;color:var(--color-text-light)}.breadcrumb a{color:var(--color-text-light)}.breadcrumb a:hover{color:var(--color-primary)}.breadcrumb span{color:var(--color-gray-400)}