.whole {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

.slide-container {
    width: 100%;
    min-height: 700px;
    background: linear-gradient(135deg, #1E3A8A 0%, #059669 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.slide-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.title {
    font-size: 72px;
    font-weight: 900;
    color: white;
    text-align: center;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    z-index: 10;
    position: relative;
}

.subtitle {
    font-size: 36px;
    color: #E5E7EB;
    text-align: center;
    font-weight: 300;
    z-index: 10;
    position: relative;
}

.excel-icon {
    position: absolute;
    top: 50px;
    right: 80px;
    font-size: 120px;
    color: rgba(255, 255, 255, 0.1);
    z-index: 1;
}