.app-header{background:#1a365df2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:fixed;top:0;width:100%;z-index:1000;transition:all .3s ease}.app-header.scrolled{background:#0f2341fa;box-shadow:0 2px 15px #0003}.header-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;position:relative}.logo{color:#fff;font-size:1.8rem;font-weight:700;text-decoration:none;z-index:1001}.logo-highlight{color:#4ade80}.desktop-nav ul{display:flex;gap:2rem;list-style:none;margin:0;padding:0}.desktop-nav a{color:#fff;text-decoration:none;font-weight:500;position:relative;padding:.5rem 0;transition:color .3s ease}.desktop-nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:#4ade80;transition:width .3s ease}.desktop-nav a:hover:after{width:100%}.desktop-nav a:hover{color:#4ade80}.hamburger{display:none;background:none;border:none;cursor:pointer;padding:10px;z-index:1001}.hamburger-line{width:30px;height:3px;background:#fff;margin:5px 0;transition:all .3s ease;border-radius:2px}.hamburger.open .hamburger-line:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger.open .hamburger-line:nth-child(2){opacity:0}.hamburger.open .hamburger-line:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.mobile-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:999}@media (max-width: 768px){.hamburger{display:block}.desktop-nav{position:fixed;top:0;right:-100%;height:100vh;width:70%;max-width:300px;background:#1a365d;box-shadow:-5px 0 15px #0003;transition:right .3s ease;padding:6rem 2rem;z-index:1000}.desktop-nav.mobile-active{right:0}.desktop-nav ul{flex-direction:column;gap:1.5rem}.desktop-nav a{font-size:1.2rem;padding:.8rem 1rem;display:block;border-radius:6px;transition:all .3s ease}.desktop-nav a:hover{background:#ffffff1a}.desktop-nav a:after{display:none}.mobile-overlay.active{display:block}}.footer{background:linear-gradient(120deg,#1a1a1a,#2d2d2d);color:#fff;padding:2rem 1rem;position:relative;z-index:10}.footer-content{max-width:1280px;margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center;gap:1.5rem;padding:0 1rem}.legal-links{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center;margin:0;padding:0;list-style:none}.legal-links a{color:#fff;text-decoration:none;font-weight:500;position:relative;transition:color .3s ease;padding:.5rem 0;display:inline-block}.legal-links a:hover{color:#00f2ff}.legal-links a:after{content:"";position:absolute;width:100%;transform:scaleX(0);height:2px;bottom:0;left:0;background:linear-gradient(90deg,transparent,#00f2ff,transparent);transition:transform .3s ease}@media (max-width: 1024px){.footer-content{padding:0 2rem}}@media (max-width: 768px){.footer{padding:1.5rem 1rem}.legal-links{gap:1.5rem;font-size:.95rem}}@media (max-width: 480px){.legal-links{flex-direction:column;gap:1rem}.legal-links a{font-size:.9rem;padding:.3rem 0}.footer-content p{font-size:.9rem}}:root{--primary-color: #1a1a1a;--secondary-color: #2d2d2d;--accent-color: #00f2ff;--text-color: #2d3748;--border-color: #e2e8f0;--error-color: #e53e3e;--success-color: #48bb78}.app{display:flex;flex-direction:column;min-height:100vh;background:#f8fafc}.main-content{flex:1;padding:1.5rem;max-width:1280px;margin:15px auto 0;width:100%}.section-title{font-size:clamp(1.25rem,2vw,1.75rem);margin-bottom:1.5rem;color:var(--text-color);padding-bottom:.75rem;border-bottom:2px solid var(--border-color)}.verification-box{background:#fff;padding:2rem;border-radius:12px;text-align:center;max-width:90%;margin:2rem auto;box-shadow:0 4px 6px -1px #0000001a}.math-problem{font-size:clamp(1.75rem,4vw,2.5rem);margin:1.5rem 0;color:var(--primary-color);font-weight:700}.verification-box input{padding:.75rem 1rem;font-size:1.1rem;border:2px solid var(--border-color);border-radius:8px;width:120px;margin:1rem 0}.verification-box button{background:var(--primary-color);color:#fff;padding:.75rem 2rem;border-radius:8px;font-weight:600;transition:all .3s ease}.verification-box button:hover{background:var(--secondary-color);transform:translateY(-1px)}.error{color:var(--error-color);margin:1rem 0;font-weight:600}.agenda-container{height:70vh;min-height:400px;max-height:800px;border-radius:12px;margin:2rem 0;background:#fff;box-shadow:0 4px 6px -1px #0000001a}.stream-section{margin:3rem 0;background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px #0000001a;scroll-margin-top:100px}.stream-player{height:60vh;min-height:300px;border-radius:8px;overflow:hidden}.stream-player iframe,.agenda-container iframe{width:100%;height:100%;border:none}.placeholder{padding:2rem;color:#64748b;text-align:center}@media (max-width: 1024px){.main-content{padding:1rem}.agenda-container{height:60vh}}@media (max-width: 768px){.verification-box{padding:1.5rem;margin:1rem auto}.stream-section{margin:2rem 0;scroll-margin-top:80px}.stream-player{height:50vh}}@media (max-width: 480px){.math-problem{font-size:1.5rem}.verification-box input{width:100px;font-size:1rem}.agenda-container{height:50vh;min-height:300px}.stream-player{height:40vh}}.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;padding:1rem}.news-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000001a;transition:transform .3s ease}.news-card:hover{transform:translateY(-3px)}.footer{background:linear-gradient(120deg,var(--primary-color),var(--secondary-color));color:#fff;padding:2rem 1rem;margin-top:auto}.footer-content{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem;padding:0 1rem}.legal-links{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}.legal-links a{color:#fff;padding:.5rem;position:relative;transition:all .3s ease}.legal-links a:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--accent-color);transform:scaleX(0);transition:transform .3s ease}.legal-links a:hover{color:var(--accent-color)}.legal-links a:hover:after{transform:scaleX(1)}@media (max-width: 768px){.footer{padding:1.5rem 1rem}.legal-links{gap:1rem}}.contact-page-container{width:100%;max-width:600px;margin:0 auto;padding:20px;background-color:#f9f9f9;border-radius:8px;box-shadow:0 4px 8px #0000001a}.page-title{font-size:2rem;margin-bottom:20px}.form-group{margin-bottom:15px}label{display:block;font-weight:700;margin-bottom:5px}input,textarea{width:100%;padding:10px;font-size:1rem;border:1px solid #ccc;border-radius:4px}textarea{resize:vertical;height:150px}button{background-color:#007bff;color:#fff;padding:10px 20px;font-size:1rem;border:none;border-radius:4px;cursor:pointer}button:hover{background-color:#0056b3}.terms-page-container{font-family:Arial,sans-serif;margin:20px;color:#333;line-height:1.6}.page-title{color:#06c;font-size:2.5em;margin-top:20px}.section-title{text-align:center;margin-top:30px;font-size:2em;color:#06c}.news-container{max-width:1280px;margin:0 auto;padding:1rem}.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;justify-items:center}.news-card{width:100%;max-width:350px;box-shadow:0 2px 8px #0000001a;border-radius:8px;overflow:hidden}@media (min-width: 640px){.news-grid{gap:2rem;padding:1.5rem}}.news-card:hover{transform:translateY(-5px)}.card-image{position:relative;height:200px;overflow:hidden}.article-thumbnail{width:100%;height:100%;object-fit:cover;object-position:center}.card-content{padding:1.5rem;flex-grow:1;display:flex;flex-direction:column}.card-title{font-size:1.25rem;margin:.75rem 0;color:#1a1a1a}.meta-info{display:flex;justify-content:space-between;font-size:.875rem;color:#666;margin-bottom:.5rem}.excerpt{color:#444;flex-grow:1;margin:.5rem 0}.read-more{background:#06c;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:6px;cursor:pointer;font-weight:500;margin-top:1rem;transition:background .3s ease}.read-more:hover{background:#0052a3}.article-viewer{max-width:800px;margin:0 auto;padding:2rem}.back-button{background:none;border:none;color:#06c;font-size:1rem;cursor:pointer;padding:.5rem 1rem;margin-bottom:2rem;display:flex;align-items:center;gap:.5rem}.back-button:hover{text-decoration:underline}.article-header{margin-bottom:2rem}.article-header h1{font-size:2rem;color:#1a1a1a;margin-bottom:.5rem}.html-content{line-height:1.6;color:#333}.html-content img{max-width:100%;height:auto;margin:1rem 0;border-radius:8px}.html-content p{margin:1rem 0}@media (max-width: 768px){.news-container{padding:1rem}.news-grid{grid-template-columns:1fr}.article-viewer{padding:1rem}.article-header h1{font-size:1.5rem}}.main-heading{font-size:2.5rem;margin-bottom:1rem;color:#2e7d32;text-align:center}.intro-text{font-size:1.2rem;margin-bottom:2rem;line-height:1.6;text-align:center;max-width:800px;margin-left:auto;margin-right:auto}.tip-block{background:#f9f9f9;padding:1.5rem;margin-bottom:1.5rem;border-left:5px solid #4caf50;border-radius:8px}.call-to-action{text-align:center;background:#e8f5e9;padding:1rem;border-radius:10px;font-weight:700;margin-top:2rem}.section-title{font-size:1.8rem;margin-top:3rem;margin-bottom:1rem;color:#333;text-align:center}.loading-text{text-align:center;font-style:italic}.legal-page{font-family:Arial,sans-serif;margin:20px;color:#333;line-height:1.6}.title{color:#06c;font-size:2em;margin-top:20px}.section-title{text-align:center;margin-top:30px;font-size:1.8em;color:#06c}ul{margin-left:20px}.back-link{display:block;margin-top:30px;text-align:center;color:#06c;font-size:1.2em;text-decoration:none}.back-link:hover{text-decoration:underline}a{color:#06c}a:hover{text-decoration:underline}