html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: #fff;
  color: #2b2b2b;
  overflow-x: hidden;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans CN", "Noto Sans CJK SC", Arial, sans-serif;
}

img {
  max-width: 100%;
  height: auto;
}

.logo {
  margin: 14px 0;
  padding: 0 15px;
}

.logo img {
  display: block;
  width: 100%;
  max-width: 266px;
  height: auto;
}

.bg_hong {
  height: auto;
  min-height: 50px;
}

.navbar {
  padding: 0;
}

.navbar-collapse {
  background-color: #ac280e;
}

.menu {
  height: auto;
  min-height: 48px;
  padding: 0 15px;
}

.menu ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0 4px;
  margin: 0 auto;
  padding: 0;
}

.menu ul li {
  display: block;
  width: auto;
  min-width: 100px;
  margin: 0;
  padding-bottom: 0;
}

.menu ul li a {
  height: 46px;
  line-height: 46px;
  padding: 0 12px;
  font-size: 17px;
  white-space: nowrap;
}

.menu .block {
  display: none !important;
}

.cn_conten_nav {
  width: 100% !important;
  max-width: 1200px;
  box-sizing: border-box;
  margin: 12px auto 0;
  padding: 10px 18px 14px;
  background-color: #fff;
}

.cn_conten_nav > p {
  margin: 0;
  padding-left: 12px;
  font-size: 15px;
  line-height: 1.8;
}

.cn_conten_nav span,
.cn_conten_nav a {
  font-weight: 500;
}

.article-title {
  margin: 0 !important;
  padding: 20px 16px 0 !important;
  background: transparent !important;
  color: #1f1f1f;
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 700 !important;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-align: center !important;
}

.article-title::after {
  content: "";
  display: block;
  width: 54px;
  height: 3px;
  margin: 16px auto 0;
  background: #a8111a;
  border-radius: 2px;
}

.article-content {
  width: 100% !important;
  max-width: 800px;
  box-sizing: border-box;
  margin: 0 auto !important;
  padding: 30px clamp(16px, 5vw, 48px) 48px;
  color: #2a2a2a;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.02em;
  text-align: justify;
  text-justify: inter-ideograph;
  word-break: break-word;
}

.article-content p {
  margin: 0 0 1.05em;
  padding: 0;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-align: justify;
  text-indent: 2em;
}

.article-figure {
  margin: 0 0 1.8em !important;
  text-align: center !important;
  text-indent: 0 !important;
  line-height: 0;
}

.article-figure img {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
}

.article-subheading {
  margin: 1.7em 0 0.85em !important;
  color: #8a1c12;
  font-size: 1.06em !important;
  font-weight: 700 !important;
  line-height: 1.7 !important;
  letter-spacing: 0.08em !important;
  text-align: left !important;
  text-indent: 0 !important;
}

.article-signature {
  margin: 0 0 1.5em !important;
  color: #666;
  font-size: 0.92em !important;
  line-height: 1.8 !important;
  text-align: right !important;
  text-indent: 0 !important;
}

.footer_bg {
  height: auto !important;
  min-height: 180px;
  margin-top: 40px;
  padding: 26px 16px;
  box-sizing: border-box;
  background-color: #7c1a10 !important;
  background-image: linear-gradient(rgba(54, 8, 4, 0.42), rgba(54, 8, 4, 0.42)), url(../images/footer.png) !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
  background-size: cover !important;
}

.footer {
  color: #fff;
  padding: 0 8px;
}

.footer p {
  margin: 0 0 8px;
  line-height: 1.9;
  font-size: 15px;
  letter-spacing: 1px;
  text-align: center;
}

.footer p.bq {
  padding-top: 0;
  letter-spacing: 12px;
  font-weight: 600;
}

.footer hr {
  width: min(80%, 760px);
  margin: 10px auto 14px;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.55);
}

@media (max-width: 991.98px) {
  .menu ul li {
    min-width: 92px;
  }

  .menu ul li a {
    font-size: 16px;
  }
}

@media (max-width: 767.98px) {
  .logo {
    margin: 10px 0;
  }

  .logo img {
    max-width: 210px;
  }

  .nav-item {
    text-align: left;
  }

  .menu {
    padding: 4px 12px 10px;
  }

  .menu ul {
    justify-content: flex-start;
    gap: 0;
  }

  .menu ul li {
    width: 50%;
    min-width: 0;
  }

  .menu ul li a {
    height: 42px;
    line-height: 42px;
    padding: 0 8px;
    font-size: 16px;
  }

  .cn_conten_nav {
    margin-top: 8px;
    padding: 8px 14px 12px;
  }

  .cn_conten_nav > p {
    padding-left: 10px;
    font-size: 14px;
  }

  .article-title {
    padding: 16px 12px 0 !important;
  }

  .article-title::after {
    margin-top: 12px;
  }

  .article-content {
    padding: 24px 18px 36px;
    font-size: 17px;
    line-height: 1.95;
  }

  .article-figure img {
    max-width: 72vw;
  }

  .footer_bg {
    min-height: 0;
    margin-top: 26px;
    padding: 20px 12px;
  }

  .footer p {
    font-size: 13px;
    letter-spacing: 0;
    line-height: 1.8;
  }

  .footer p.bq {
    letter-spacing: 8px;
  }
}

@media (max-width: 400px) {
  .article-content {
    padding-right: 16px;
    padding-left: 16px;
    font-size: 16px;
  }

  .article-figure img {
    max-width: 74vw;
  }
}

@media (max-width: 991.98px) {
  .navbar-expand-md .navbar-toggler {
    display: block;
  }

  .navbar-expand-md .navbar-collapse {
    display: none !important;
  }

  .navbar-expand-md .navbar-collapse.show {
    display: block !important;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .menu ul {
    gap: 0;
  }

  .menu ul li {
    width: 25%;
    min-width: 0;
  }

  .menu ul li a {
    padding: 0 8px;
    font-size: 16px;
  }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
  .menu ul li {
    min-width: 84px;
  }

  .menu ul li a {
    padding: 0 8px;
    font-size: 16px;
  }
}