.mod-container {
  padding: 30px 0;
  margin: 86px auto 0 auto;
  width: 960px;
  line-height: 1.5;
  color: grey;
}

.mod-container h1 {
  font-size: 31px;
  font-weight: 400;
  margin: 0 0 15px;
}

.mod-container p {
  font-size: 14px;
  margin-bottom: 12px;
}

.mod-container h2 {
  font-size: 20px;
  margin: 27px 0 12px;
  font-weight: 600;
}

.mod-container a {
  color:#1395f1;
}
.mod-container span {
  color: #000;
  font-weight: bold;
}

.mod-container img {
  width: 30%;
  margin-top: 12px;
}

/*兼容不同尺寸的屏幕*/

@media screen and (min-width: 320px) and (max-width: 480px) {
  /*!*iPhone < 5 Portrait*!*/
  .mod-container {
      width: 288px;
  }
  .mod-container h1 {
      font-size: 19px;
      margin: 0 0 10px;
  }
  .mod-container h2 {
      margin: 6px 0 8px;
      font-size: 16px;
  }
  .mod-container p {
      font-size: 12px;
      margin-bottom: 8px;
  }
}

@media screen and (min-width: 375px) and (max-width: 627px) {
  /*!*iPhone 6*!*/
  .mod-container {
      width: 325px;
  }
  .mod-container h1 {
      font-size: 19px;
      margin: 0 0 10px;
  }
  .mod-container h2 {
      margin: 6px 0 8px;
      font-size: 16px;
  }
  .mod-container p {
      font-size: 12px;
      margin-bottom: 8px;
  }
}

@media screen and (min-width: 414px) and (max-width: 736px) {
  /*!*iPhone 6+ Portrait*!*/
  .mod-container {
      width: 370px;
  }
  .mod-container h1 {
      font-size: 19px;
      margin: 0 0 10px;
  }
  .mod-container h2 {
      margin: 6px 0 8px;
      font-size: 16px;
  }
  .mod-container p {
      font-size: 12px;
      margin-bottom: 8px;
  }
}

@media screen and (min-width: 414px) and (max-width: 736px) {
  /*!*iPhone 6+ Portrait*!*/
  .mod-container {
      width: 370px;
  }
  .mod-container h1 {
      font-size: 19px;
      margin: 0 0 10px;
  }
  .mod-container h2 {
      margin: 6px 0 8px;
      font-size: 16px;
  }
  .mod-container p {
      font-size: 12px;
      margin-bottom: 8px;
  }
}

@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: portrait) {
  /* ipad竖屏 */
  .mod-container {
      width: 700px;
  }
  .mod-container h1 {
      font-size: 19px;
      margin: 0 0 10px;
  }
  .mod-container h2 {
      margin: 6px 0 8px;
      font-size: 16px;
  }
  .mod-container p {
      font-size: 12px;
      margin-bottom: 8px;
  }
}