* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 99%, #fad0c4 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: float 3s ease-in-out infinite;
    transform-origin: center;
}

#main-text {
    font-size: 4rem;
    color: #e74c3c;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    animation: pulse 2s infinite;
}

#message {
    font-size: 1.5rem;
    color: #34495e;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

#love-button {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

#love-button:hover {
    background: #c0392b;
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(231, 76, 60, 0.4);
}

#love-button:active {
    transform: scale(0.95);
}

/* 心形元素 */
.heart {
    position: absolute;
    width: 20px;
    height: 20px;
    background: #e74c3c;
    transform: rotate(45deg);
    animation: heartfall linear forwards;
}

.heart:before,
.heart:after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: #e74c3c;
    border-radius: 50%;
}

.heart:before {
    top: -10px;
    left: 0;
}

.heart:after {
    top: 0;
    left: -10px;
}

/* 动画效果 */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes heartfall {
    0% {
        opacity: 0;
        transform: rotate(45deg) translateY(-100vh);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(45deg) translateY(100vh);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    #main-text {
        font-size: 3rem;
    }
    
    #message {
        font-size: 1.2rem;
    }
    
    #love-button {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .container {
        padding: 30px 20px;
        margin: 20px;
    }
}

@media (max-width: 480px) {
    #main-text {
        font-size: 2.5rem;
    }
    
    #message {
        font-size: 1rem;
    }
}`