:root{--primary-blue:#1a237e;--secondary-blue:#283593;--accent-blue:#3949ab;--light-blue:#5c6bc0;--text-light:#fff;--text-dark:#333;--gold-color:#ffd700;--silk-color:#d4af37;--transition:all 0.5s cubic-bezier(0.4,0,0.2,1)}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;font-family:'Noto Sans SC','Roboto',sans-serif}body{background:#0d1b2a;color:var(--text-light);position:relative}.splash-video-container{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-2;overflow:hidden}.splash-video-container video{width:100%;height:100%;object-fit:cover;object-position:center;filter:brightness(0.8) contrast(1.1)}.video-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(13,27,42,0.85) %,rgba(26,35,126,0.75) 50%,rgba(57,73,171,0.65) 100%);z-index:-1}.splash-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;max-width:1200px;padding:20px;text-align:center;z-index:10}.splash-logo{margin-bottom:40px;animation:fadeInUp 1s ease-out}.logo-animation{display:flex;justify-content:center;gap:20px;margin-bottom:20px;font-size:3rem}.logo-animation i{color:var(--gold-color);animation:float 3s ease-in-out infinite;text-shadow:0 0 20px rgba(255,215,0,0.5)}.logo-animation i:nth-child(1){animation-delay:0s}.logo-animation i:nth-child(2){animation-delay:0.5s}.logo-animation i:nth-child(3){animation-delay:1s}.logo-animation i:nth-child(4){animation-delay:1.5s}.splash-title{font-size:4rem;font-weight:700;margin-bottom:10px;background:linear-gradient(135deg,var(--gold-color),var(--silk-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 5px 15px rgba(0,0,0,0.3);animation:glow 2s ease-in-out infinite alternate}.splash-subtitle{font-size:1.8rem;color:var(--light-blue);font-weight:300;letter-spacing:2px;margin-bottom:20px}.splash-message{margin-bottom:50px;animation:fadeInUp 1s ease-out 0.3s both}.splash-text{font-size:2rem;font-weight:600;margin-bottom:15px;color:var(--text-light);text-shadow:2px 2px 8px rgba(0,0,0,0.5)}.splash-description{font-size:1.2rem;color:#b0bec5;max-width:800px;margin:0 auto;line-height:1.6}.enter-button{background:linear-gradient(135deg,var(--accent-blue),var(--light-blue));color:white;border:none;padding:20px 50px;border-radius:50px;font-size:1.3rem;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:15px;margin:0 auto 40px;box-shadow:0 10px 30px rgba(57,73,171,0.4);animation:pulse 2s infinite;position:relative;overflow:hidden}.enter-button::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:0.5s}.enter-button:hover::before{left:100%}.enter-button:hover{transform:translateY(-5px) scale(1.05);box-shadow:0 15px 40px rgba(57,73,171,0.6);background:linear-gradient(135deg,var(--light-blue),var(--accent-blue))}.enter-button:active{transform:translateY(-2px) scale(1.02)}.enter-button i{font-size:1.2rem;transition:transform 0.3s ease}.enter-button:hover i{transform:translateX(5px)}.splash-lang-switcher{position:fixed;top:20px;left:20px;display:flex;gap:5px;background:rgba(26,35,126,0.8);padding:5px;border-radius:25px;backdrop-filter:blur(10px);z-index:100}.splash-lang-switcher .lang-btn{background:transparent;color:white;border:none;padding:8px 15px;border-radius:20px;cursor:pointer;font-size:.9rem;transition:var(--transition)}.splash-lang-switcher .lang-btn.active{background:var(--accent-blue)}.splash-lang-switcher .lang-btn:hover:not(.active){background:rgba(255,255,255,0.1)}.splash-music-control{position:fixed;top:20px;right:20px;z-index:100}.splash-music-control .music-btn{background:rgba(26,35,126,0.8);color:white;border:none;padding:10px 15px;border-radius:25px;cursor:pointer;display:flex;align-items:center;gap:8px;font-size:.9rem;transition:var(--transition);backdrop-filter:blur(10px)}.splash-music-control .music-btn:hover{background:rgba(26,35,126,1);transform:translateY(-2px)}.loading-progress{position:fixed;bottom:40px;left:50%;transform:translateX(-50%);width:300px;text-align:center;animation:fadeInUp 1s ease-out 0.6s both}.progress-bar{width:100%;height:4px;background:rgba(255,255,255,0.1);border-radius:2px;overflow:hidden;margin-bottom:10px}.progress-fill{width:%;height:100%;background:linear-gradient(90deg,var(--accent-blue),var(--light-blue));border-radius:2px;animation:loading 3s ease-in-out forwards}.loading-text{color:#b0bec5;font-size:.9rem;animation:fadeInOut 2s infinite}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes glow{from{text-shadow:0 0 10px rgba(255,215,0,0.5),0 0 20px rgba(255,215,0,0.3),0 0 30px rgba(255,215,0,0.2)}to{text-shadow:0 0 20px rgba(255,215,0,0.8),0 0 30px rgba(255,215,0,0.5),0 0 40px rgba(255,215,0,0.3)}}@keyframes pulse{0%,100%{box-shadow:0 10px 30px rgba(57,73,171,0.4)}50%{box-shadow:0 10px 40px rgba(57,73,171,0.7)}}@keyframes loading{0%{width:%}100%{width:100%}}@keyframes fadeInOut{0%,100%{opacity:0.5}50%{opacity:1}}@media (max-width:768px){.splash-title{font-size:2.5rem}.splash-subtitle{font-size:1.3rem}.splash-text{font-size:1.5rem}.splash-description{font-size:1rem;padding:0 20px}.logo-animation{font-size:2rem;gap:15px}.enter-button{padding:15px 30px;font-size:1.1rem}.splash-lang-switcher,.splash-music-control{top:15px}.splash-lang-switcher{left:15px}.splash-music-control{right:15px}}@media (max-width:480px){.splash-title{font-size:2rem}.splash-subtitle{font-size:1.1rem}.splash-text{font-size:1.2rem}.logo-animation{font-size:1.5rem;gap:10px}.enter-button{padding:12px 25px;font-size:1rem}.loading-progress{width:250px;bottom:30px}}