:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --text-color: #2C3E50;
    --bg-gradient: linear-gradient(135deg, #FFF5F5 0%, #E0F7FA 100%);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Fredoka', 'ZCOOL KuaiLe', cursive, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-color);
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px 20px;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(255, 107, 107, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(78, 205, 196, 0.05) 0%, transparent 20%);
}

.hero {
    text-align: center;
    margin-top: 20px;
    position: relative;
    padding: 20px 0;
}

h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    color: var(--primary-color);
    text-shadow: 3px 3px 0px rgba(255, 255, 255, 1), 5px 5px 0px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
    animation: bounceIn 1s ease;
    transform: rotate(-2deg);
}

.decoration-star {
    position: absolute;
    color: var(--accent-color);
    font-size: 2.5rem;
    filter: drop-shadow(2px 2px 0px rgba(0, 0, 0, 0.1));
    animation: float 3s ease-in-out infinite;
}

.star-1 {
    top: 0;
    left: 10%;
    transform: rotate(-15deg);
}

.star-2 {
    bottom: 0;
    right: 10%;
    transform: rotate(15deg);
    animation-delay: 1.5s;
}

.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 25px;
    width: 100%;
    padding: 20px 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 25px;
    width: 100%;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    transform: rotate(1deg);
    border: 3px solid var(--secondary-color);
    text-align: center;
}

.highlight {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 5px;
    display: block;
}

.message {
    font-size: 1.2rem;
    line-height: 1.6;
    text-align: center;
    color: #555;
    font-weight: 600;
}

.cta-button {
    display: block;
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    padding: 18px;
    text-align: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 8px 0px #D32F2F, 0 15px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.1s;
    border: none;
    position: relative;
    top: 0;
}

.cta-button:active {
    top: 8px;
    box-shadow: 0 0 0 #D32F2F, 0 0 0 rgba(0, 0, 0, 0);
}

.cta-button .sub-text {
    display: block;
    font-size: 0.9rem;
    font-weight: normal;
    opacity: 0.95;
    margin-top: 4px;
}

.instruction {
    font-size: 0.85rem;
    color: #7F8C8D;
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    padding: 15px;
    border-radius: 15px;
    border: 2px dashed #FFB74D;
    width: 100%;
    margin-top: 10px;
}

footer {
    text-align: center;
    font-size: 0.8rem;
    color: #95A5A6;
    margin-top: 20px;
    padding-bottom: 10px;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) rotate(-2deg);
    }

    50% {
        opacity: 1;
        transform: scale(1.05) rotate(-2deg);
    }

    70% {
        transform: scale(0.9) rotate(-2deg);
    }

    100% {
        transform: scale(1) rotate(-2deg);
    }
}

@keyframes float {

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

    50% {
        transform: translateY(-15px) rotate(10deg);
    }
}