@charset "utf-8";

/* ==========================================================
   english-about.css
   Simple English introduction page
   Navigation + secondary banner + English content + footer
   ========================================================== */

:root {
  --english-about-primary: #064b9f;
  --english-about-heading: #202b36;
  --english-about-text: #4c5661;
  --english-about-container: 1180px;
}

.english-about-body {
  min-width: 0;
  overflow-x: hidden;
  background: #ffffff;
}

.english-about-page,
.english-about-page *,
.english-about-page *::before,
.english-about-page *::after {
  box-sizing: border-box;
}

.english-about-page {
  width: 100%;
  min-width: 0;
  overflow-x: hidden;
  background: #ffffff;
  color: var(--english-about-text);
  font-family: Arial, Helvetica, "Segoe UI", sans-serif;
}

.english-about-container {
  width: min(var(--english-about-container), calc(100% - 48px));
  margin: 0 auto;
}

/* ==========================================================
   Secondary Banner
   PC: /banner/eb12.jpg
   Mobile: /banner/eb12-mobile.jpg
   ========================================================== */
.english-about-banner {
  position: relative;
  width: 100%;
  height: clamp(280px, 28vw, 430px);
  min-height: 280px;
  overflow: hidden;
  background: #1d3552;
}

.english-about-banner__image {
  width: 100%;
  height: 100%;
  background-image: url("/banner/eb12.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.english-about-content {
  width: 100%;
  padding: 62px 0 82px;
  background: #ffffff;
}

.english-about-section {
  width: 100%;
  margin: 0 0 52px;
}

.english-about-section:last-child {
  margin-bottom: 0;
}

.english-about-heading {
  width: 100%;
  margin: 0 0 22px;
}

.english-about-heading__title {
  margin: 0;
  color: var(--english-about-heading);
  font-size: 28px;
  line-height: 1.42;
  font-weight: 600;
  letter-spacing: 0.01em;
}

h2.english-about-heading__title {
  font-size: 24px;
}

.english-about-heading__line {
  display: block;
  width: 52px;
  height: 3px;
  margin-top: 14px;
  background: var(--english-about-primary);
}

.english-about-section__content {
  width: 100%;
  color: var(--english-about-text);
  font-size: 16px;
  line-height: 1.9;
}

/* All English paragraphs start flush left. */
.english-about-section__content p {
  margin: 0 0 18px;
  text-align: left;
  text-indent: 0;
  overflow-wrap: anywhere;
  word-break: normal;
}

.english-about-section__content p:last-child {
  margin-bottom: 0;
}

@media screen and (max-width: 1200px) {
  .english-about-container {
    width: calc(100% - 40px);
  }

  .english-about-content {
    padding: 54px 0 70px;
  }

  .english-about-heading__title {
    font-size: 25px;
  }

  h2.english-about-heading__title {
    font-size: 22px;
  }

  .english-about-section__content {
    font-size: 15px;
  }
}

@media screen and (max-width: 768px) {
  /*
   * English页面移动端专用二级Banner
   * 图片：/banner/eb12-mobile.jpg
   * 建议尺寸：750 × 400px
   */
  .english-about-banner {
    height: auto !important;
    min-height: 0 !important;
    aspect-ratio: 750 / 400;
    background: #1d3552;
  }

  .english-about-banner__image {
    width: 100%;
    height: 100%;
    background-image: url("/banner/eb12-mobile.jpg");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
  }

  .english-about-container {
    width: calc(100% - 32px);
  }

  .english-about-content {
    padding: 42px 0 56px;
  }

  .english-about-section {
    margin-bottom: 40px;
  }

  .english-about-heading {
    margin-bottom: 18px;
  }

  .english-about-heading__title {
    font-size: 23px;
  }

  h2.english-about-heading__title {
    font-size: 20px;
  }

  .english-about-heading__line {
    width: 44px;
    height: 2px;
    margin-top: 12px;
  }

  .english-about-section__content {
    font-size: 15px;
    line-height: 1.82;
  }

  .english-about-section__content p {
    margin-bottom: 16px;
    text-align: left;
    text-indent: 0;
  }
}

@media screen and (max-width: 420px) {
  /*
   * 420px以下继续保持750 × 400比例，
   * 不再设置固定165px高度。
   */

  .english-about-container {
    width: calc(100% - 28px);
  }

  .english-about-heading__title {
    font-size: 21px;
  }

  h2.english-about-heading__title {
    font-size: 19px;
  }

  .english-about-section__content {
    font-size: 14px;
  }
}