/* 自定义样式 */

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 导航栏样式 */
.navbar-scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 按钮悬停效果 */
.btn-hover {
    transition: all 0.3s ease;
}

.btn-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 服务卡片悬停效果 */
.service-card {
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
}

/* 联系表单样式 */
.form-input:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* 返回顶部按钮动画 */
#back-to-top {
    transition: all 0.3s ease;
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
}

/* 自定义动画 */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

/* 文字渐变效果 */
.text-gradient {
    background: linear-gradient(90deg, #10b981, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 加载动画 */
.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #10b981;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}