/* ============================================================
 * reset.css - CSS重置样式
 * 消除浏览器默认样式差异，提供统一的样式基准
 * ============================================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
                 Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f0f2f5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, main, nav, section {
    display: block;
}

ol, ul {
    list-style: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

a {
    text-decoration: none;
    color: inherit;
    background-color: transparent;
}

img {
    max-width: 100%;
    height: auto;
    border-style: none;
    vertical-align: middle;
}

input, button, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    outline: none;
    border: none;
}

button {
    cursor: pointer;
    background: none;
}

textarea {
    resize: vertical;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.4;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem;  }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem;  }
h5 { font-size: 1rem;    }
h6 { font-size: 0.875rem;}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.35);
}