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

html {
  line-height: 1.15;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  background: #fff;
  color: #333;
}

a {
  text-decoration: none;
}

article,
aside,
footer,
header,
nav,
section {
  display: block;
}

h1 {
  font-size: 2em;
}

figcaption,
figure,
main { /* 1 */
  display: block;
}

figure {
  margin: 1em 40px;
}

hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}

pre {
  font-size: 1em; /* 2 */
}

a {
  background-color: transparent; /* 1 */
  -webkit-text-decoration-skip: objects; /* 2 */
}

a:active,
a:hover {
  outline-width: 0;
}

abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  text-decoration: underline dotted; /* 2 */
}

b,
strong {
  font-weight: inherit;
}

b,
strong {
  font-weight: bolder;
}

code,
kbd,
samp {
  font-size: 1em; /* 2 */
}

dfn {
  font-style: italic;
}

mark {
  background-color: #ff0;
  color: #000;
}

small {
  font-size: 80%;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

audio,
video {
  display: inline-block;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

img {
  border-style: none;
}

svg:not(:root) {
  overflow: hidden;
}

button,
input,
optgroup,
select,
textarea {
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
}

button,
input { /* 1 */
  overflow: visible;
}

button,
select { /* 1 */
  text-transform: none;
}

button,
html [type=button],
[type=reset],
[type=submit] {
  -webkit-appearance: button; /* 2 */
}

button::-moz-focus-inner,
[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

button:-moz-focusring,
[type=button]:-moz-focusring,
[type=reset]:-moz-focusring,
[type=submit]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}

progress {
  display: inline-block; /* 1 */
  vertical-align: baseline; /* 2 */
}

textarea {
  overflow: auto;
}

[type=checkbox],
[type=radio] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
  height: auto;
}

[type=search] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

[type=search]::-webkit-search-cancel-button,
[type=search]::-webkit-search-decoration {
  -webkit-appearance: none;
}

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

details,
menu {
  display: block;
}

summary {
  display: list-item;
}

canvas {
  display: inline-block;
}

template {
  display: none;
}

[hidden] {
  display: none;
}

ul, dl, ol {
  list-style: none;
}

/*自媒体查询*/
@media (min-width: 750px) {
  html {
    font-size: 25px;
  }
}
@media (min-width: 717px) and (max-width: 749px) {
  html {
    font-size: 24px;
  }
}
@media (min-width: 684px) and (max-width: 716px) {
  html {
    font-size: 23px;
  }
}
@media (min-width: 651px) and (max-width: 683px) {
  html {
    font-size: 22px;
  }
}
@media (min-width: 618px) and (max-width: 650px) {
  html {
    font-size: 21px;
  }
}
@media (min-width: 585px) and (max-width: 617px) {
  html {
    font-size: 20px;
  }
}
@media (min-width: 552px) and (max-width: 584px) {
  html {
    font-size: 19px;
  }
}
@media (min-width: 519px) and (max-width: 551px) {
  html {
    font-size: 18px;
  }
}
@media (min-width: 486px) and (max-width: 518px) {
  html {
    font-size: 17px;
  }
}
@media (min-width: 453px) and (max-width: 485px) {
  html {
    font-size: 16px;
  }
}
@media (min-width: 420px) and (max-width: 452px) {
  html {
    font-size: 15px;
  }
}
@media (min-width: 387px) and (max-width: 419px) {
  html {
    font-size: 14px;
  }
}
@media (min-width: 354px) and (max-width: 386px) {
  html {
    font-size: 13px;
  }
}
@media (min-width: 0) and (max-width: 353px) {
  html {
    font-size: 12px;
  }
}