/* Reset CSS */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-size: 16px;
  line-height: 1.5;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
}

body {
  color: #424242;
  background-color: #ffffff;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5em;
}

p {
  margin-bottom: 1em;
}

a {
  color: #2196F3;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #E53935;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border: 0;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

button, input {
  overflow: visible;
}

button, select {
  text-transform: none;
}

button, [type="button"], [type="reset"], [type="submit"] {
  -webkit-appearance: button;
}

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 {
  padding: 0.35em 0.75em 0.625em;
}

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

textarea {
  overflow: auto;
}

[type="checkbox"], [type="radio"] {
  box-sizing: border-box;
  padding: 0;
}

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

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

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit;
}

.clearfix::after {
  content: "";
  display: table;
  clear: both;
}