@charset "UTF-8";
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

/* CSS 变量定义 - 默认主题 */
:root {
  /* 主色调 */
  --color-primary: #1890ff;
  --color-primary-hover: #40a9ff;
  --color-primary-active: #096dd9;
  /* 成功色 */
  --color-success: #52c41a;
  --color-success-hover: #73d13d;
  /* 警告色 */
  --color-warning: #faad14;
  --color-warning-hover: #ffc53d;
  /* 错误色 */
  --color-error: #ff4d4f;
  --color-error-hover: #ff7875;
  /* 文本颜色 */
  --color-text-primary: #000000d9;
  --color-text-secondary: #00000073;
  --color-text-disabled: #00000040;
  /* 边框颜色 */
  --color-border: #d9d9d9;
  --color-border-light: #f0f0f0;
  /* 背景颜色 */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #fafafa;
  --color-bg-hover: #f5f5f5;
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
  /* 圆角 */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/
html,
body,
div,
span,
applet,
object,
iframe,
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,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 14px;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  line-height: 1.5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s, color 0.3s;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: "";
  content: none;
}

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

html,
body {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--color-primary-hover);
}

a:active {
  color: var(--color-primary-active);
}

.flex {
  display: flex;
}

@media (max-width: 768px) {
  body {
    font-size: 13px;
  }
}