/* CSS Reset - 清除所有标签的预设样式 */
*,
*::before,

/* 清除文本相关元素的默认样式 */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* 清除列表样式 */
ol,
ul {
  list-style: none;
}
/* 清除链接样式 */
a {
  text-decoration: none;
  color: inherit;
}
/* 清除表格样式 */
table {
  border-collapse: collapse;
  border-spacing: 0;
}
/* 清除表单元素样式 */
button,
input,
optgroup,
select,
textarea {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  background: none;
}
/* 清除按钮和输入框的焦点轮廓（可根据需要保留） */
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
}
/* 清除图片底部间隙 */
img {
  vertical-align: middle;
  border-style: none;
}
/* 清除引用元素的默认样式 */
blockquote,
q {
  quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}
a {
  text-decoration: none;
}