/* 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: 100%;
	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;
}
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;
}


/* 全局样式 */
body {
  margin: 0;
  padding: 0;
  background-color: #1a1a1a;
  /* color: #ffffff; */
  font-family: Arial, sans-serif;
}


/* 设备断点 响应式设计 */
/* 基准值 */
html {
  font-size: 16px;
}
h1 {
  font-size: 2rem; /* 32px */
}

p {
  font-size: 1rem; /* 16px */
}

/* 中等屏幕 */
@media (max-width: 1440px) {
  html {
    font-size: 15px;
  }
}

/* 平板 */
@media (max-width: 1024px) {
  html {
    font-size: 14px;
  }
}

/* 手机 */
@media (max-width: 768px) {
  html {
    font-size: 13px;
  }
}

/* 小手机 */
@media (max-width: 480px) {
  html {
    font-size: 12px;
  }
}

html{
  scroll-behavior: smooth;
}