html {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  background: transparent;
}

body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

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,
sub,
sup,
tt,
var,
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: inherit;
  vertical-align: baseline;
}

a:hover {
  color: #ec6941;
}

/* HTML5 display-role reset for older browsers */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
input:focus {
  border: none;
  outline: none;
}
body {
  line-height: 1;
}

a {
  text-decoration: none;
}

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;
}
.wrapper {
  width: 100%;
  overflow: hidden;
}

.project-feature img[hidden] { display: none; }

/* 加载状态只由 JS 开启，无 JS 时页面仍正常展示。 */
html.is-loading { overflow: hidden; background: #c3e593; }
html.is-loading body { visibility: hidden; }
.page-loader {
  position: fixed;
  z-index: 99999;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  visibility: visible;
  background: #eef7df;
  color: #087c2c;
  font: 16px/1.5 "Microsoft YaHei", sans-serif;
}
.page-loader::before {
  content: "";
  width: 36px;
  height: 36px;
  border: 3px solid #d0e5bc;
  border-top-color: #087c2c;
  border-radius: 50%;
  animation: loader-spin .8s linear infinite;
}
@keyframes loader-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .page-loader::before { animation: none; }
}