/* 主页横幅 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="300" cy="700" r="120" fill="url(%23a)"/><circle cx="700" cy="800" r="80" fill="url(%23a)"/></svg>') no-repeat center;
    background-size: cover;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 800px;
    padding: 0 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    opacity: 0;
    animation: slideUp 1s ease 0.3s forwards;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: slideUp 1s ease 0.6s forwards;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    opacity: 0;
    animation: slideUp 1s ease 0.9s forwards;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 主要内容区域 */
.main-content {
    background: white;
    position: relative;
    z-index: 10;
    border-radius: 30px 30px 0 0;
    margin-top: -30px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }
}