/* ============================================
   reset.css — 浏览器默认样式重置
   基于 normalize.css 理念，统一跨浏览器渲染
   ============================================ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #333333;
  background-color: #f5f6f7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  font-size: inherit;
  font-weight: inherit;
}

ol, ul {
  list-style: none;
}

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

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

svg {
  overflow: hidden;
  vertical-align: middle;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="search"],
textarea,
select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

textarea {
  overflow: auto;
  resize: vertical;
}

::-webkit-input-placeholder {
  color: #bbb;
}
::-moz-placeholder {
  color: #bbb;
}
:-ms-input-placeholder {
  color: #bbb;
}

/* 隐藏默认滚动条（按需显示） */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}
::-webkit-scrollbar-track {
  background: transparent;
}