CSS 伪类实现弧形
.head-section{ width: 100%; height: 360px; position: relative; z-index: -1; overflow: hidden;
}.head-section::after{ content: ''; display: block; width: 160%; height: 200%; border-radius: 50%; position: absolute; left: 50%; top: -100%; transform: translateX(-50%); background: #1677D2; background-image: linear-gradient(150deg, #084797, #007AFF);
}