/**
 * 老王的样式文件
 * 艹！这个CSS文件让网站看起来更漂亮
 */

/* 全局样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 导航栏样式 */
nav {
    backdrop-filter: blur(10px);
}

/* 产品卡片样式 */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* 按钮样式 */
.btn-primary {
    background-color: #2563eb;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

/* 表单样式 */
input:focus,
textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* 页脚样式 */
footer {
    background: linear-gradient(to right, #1f2937, #111827);
}

/* 响应式图片 */
img {
    max-width: 100%;
    height: auto;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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