body {
  font-family: "Microsoft Yahei", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5em;
  display: flex;
  justify-content: center;
}

.container {
  margin-top: 2.66666667em;
  margin-bottom: 2.66666667em;
  /* 40/15 */
}

h1,
strong,
a {
  color: rgb(102, 121, 223);
}

ul {
  list-style-type: none;
  padding: 0;
}

dl {
  margin: 0;
}

dl dt {
  font-weight: bold;
  font-size: 1.04em;
}

/* css for header */

header {
  display: flex;
}

h1 {
  margin-bottom: 0;
}

address {
  font-style: normal;
}

.contact li span {
  /* width: 5.33333333em; */
  width: 6em;
  /* 80/15 */
  text-align: right;
  display: inline-block;
}

/* end header */

/* css for content */

.content {
  display: flex;
  margin-top: 1em;
}

.content > article > section {
  /* padding: 0.5em 0; */
}

h2 {
  font-size: 1.33333333em;
  /* 20/15 */
  padding-bottom: 0.33333333em;
  /* 5/15 */
  border-bottom: 1px solid black;
}

/* end content */

.circle {
  width: 0.53333333em;
  height: 0.53333333em;
  /* 8/15 */
  margin: 0 0.66666667em;
  /* 10/15 */
  background: black;
  border-radius: 100%;
  display: inline-block;
}

/* css for education */

.edu-year {
  width: 5.8em;
  display: inline-block;
}

.edu-content {
  display: inline-block;
  margin-left: 6.7em;
  /* (87+10+4-0.5)/15 */
  padding-left: 0.9em;
  /* 13.5/15 */
  border-left: 0.06666667em solid black;
  /* 1/15 */
}

.edu-title {
  font-weight: bold;
  margin-bottom: 0.2em;
  /* 3/15 */
  display: inline-block;
}

.edu-placeholder {
  height: 0.625em;
  border-left: 1px solid black;
  margin-left: 6.7em;
  /* (87+10+4-0.5)/15 */
}

/* end education */

/* css for skill */

.skill-item dd {
  margin-left: 0;
}

.skill-item dt {
  margin: 0.33333333em 0;
  /* 5/15 */
}

.skill-item dt.skill-title-1 {
  font-size: 1.2em;
  font-weight: 900;
  color: #677cdc;
}

.skill-item dt.skill-title-2 {
  font-size: 1em;
  font-weight: 900;
}

.skill-item {
  margin-bottom: 1em;
  /* 15/15 */
}

.skill-item:last-child {
  margin-bottom: 0;
}

/* end skill */

/* css for work */

.work-year {
  width: 8em;
  display: inline-block;
}

.work-content {
  display: inline-block;
  margin-left: 8.9em;
  /* (87+10+4-0.5)/15 */
  padding-left: 0.9em;
  /* 13.5/15 */
  border-left: 0.06666667em solid black;
  /* 1/15 */
}

.work-title {
  font-weight: bold;
  margin-bottom: 0.2em;
  /* 3/15 */
  display: inline-block;
}

.work-placeholder {
  height: 0.625em;
  border-left: 1px solid black;
  margin-left: 8.9em;
  /* (87+10+4-0.5)/15 */
}

/* end work */

/* css for project */

.project dl dt {
  margin-bottom: 0.2em;
}

.project dl dd {
  margin-left: 0.26666666em;
  /* 26666666.5/2 */
  padding-left: 0.9em;
  /* 13.5/15 */
  border-left: 0.06666667em solid black;
  /* 1px */
}
.project .circle {
  margin-left: 0em;
}
.project dl dd:first-child {
  padding-top: 0.66666667em;
  /* 10/15 */
}
.project dl dd:first-child span {
  display: inline-block;
  width: 6em;
  background-color: rgb(233, 236, 251);
  color: rgb(102, 121, 223);
  font-size: 0.8em;
  text-align: center;
  margin-left: 1em;
  line-height: 1.5em;
  border-radius: 0.75em;
}
.project dl dd:last-child {
  padding-bottom: 0.66666667em;
}

.key-point {
  background: rgb(102, 121, 223);
  color: white;
  padding: 0.13333333em 0.666666666em;
  /* 2px 5px */
  margin: 0.33333333em 0 0.6em;
  /* 5/15 */
  display: inline-block;
  font-size: 0.875em;
  border-radius: 0.3em;
  /* 14/16 */
}

/* end project */

.award-item:before,
.skill-item dd:before,
.other-item li:before,
.eval-item li:before,
.project dl dd li:before {
  content: "";
  background: url("../img/check.png") no-repeat;
  background-size: 0.8em 0.8em;
  /* 12/15 */
  display: inline-block;
  width: 0.8em;
  height: 0.8em;
  padding-right: 0.33333333em;
  /* 5/15 */
}

/* css for footer */

footer {
  text-align: center;
  font-size: 0.8em;
  margin: 3em 0 2em;
}

/* end footer */

/* css for color */
.vue-color {
  background: #7dd491;
}
.jquery-color {
  background: #7ed0f1;
}
.html5-color {
  background: #f79000;
}
.css3-color {
  background: #65acf1;
}
.other-color {
  background: #677cdc;
}
/* end color */

/* css for media */

@media screen and (min-width: 900px) {
  .container {
    width: 900px;
  }
  header {
    justify-content: space-between;
  }
  .title {
    text-align: left;
  }
  .content > article {
    width: 27em;
  }
  .content > article:first-child {
    padding-right: 3em;
  }
  .content > article:last-child {
    padding-left: 3em;
  }
}

@media screen and (max-width: 900px) {
  .container {
    width: 95%;
  }
  .content > article {
    width: 100%;
  }
  header,
  .content {
    flex-wrap: wrap;
    flex-direction: column;
  }
  .title {
    text-align: center;
  }
  header {
    align-items: center;
  }
  .content > article {
    padding: 0;
  }
  address {
    font-size: 0.94em;
  }
}

/* end media */