/* 自定义动画 */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 背景装饰 */
.hero-pattern {
    background-color: #ffffff;
    background-image: radial-gradient(#3b82f6 0.5px, transparent 0.5px), radial-gradient(#3b82f6 0.5px, #ffffff 0.5px);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    opacity: 0.1;
}

/* 隐藏滚动条但保留功能 */
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.contact-fiaoo {
    width: 88%;
    margin: 0 auto;
    font-size: 16px;
    text-align: center;
    padding: 40px 30px;
    margin-top: 40px;
    background-color: #f5f6f8;
    border-radius: 10px;
}