main {
	max-width: 1400px;
	margin: 40px auto;
}

.tool-grid {
}

.tool-grid .title {
	font-size: 1.2rem;
	font-weight: bold;
	margin-bottom: 16px;
	margin-top: 40px;
	padding: 14px 0 14px 16px;
	color: #fff;
	background: linear-gradient(90deg, #1c98da, #f8fbfd);
	line-height: 1rem;
}

.tool-grid .title:first-child {
	margin-top: 0;
}

.tool-grid ul {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.tool-grid li {
	box-sizing: border-box;
}

.tool-grid a {
	display: block;
	text-decoration: none;
	font-size: 1.1rem;
	transition: color 0.2s;
	padding: 14px 21px;
	background-color: #f3f3f3;
    color: #444;
}

.tool-grid a:hover {
    color: #007aff;
    background-color: #f1ebeb;
}

/* 响应式：手机适配 */
@media (max-width: 768px) {
	main {
		padding: 16px;
	}

	.tool-grid {
		padding: 0;
	}
	
    .tool-grid ul {
        display: grid;
        grid-template-columns: repeat(1, 1fr);
        gap: 14px;
    }
    
	.tool-grid .title {
		font-size: 1.25rem;
	}

	.tool-grid a {
		font-size: 0.95rem;
	}
}