html,
body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
figure,
figcaption,
code,
del,
dfn,
em,
button,
q,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
legend,
table,
tf,
tr,
th {
  margin: 0;
  border: 0;
  padding: 0;

  font-family: inherit;
  font-size: 100%;
  font-weight: normal;
  word-break: break-word;

  -webkit-font-smoothing: subpixel-antialiased;
  -webkit-text-size-adjust: 100%;
}
html {
  line-height: 1.15;

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

body {
  margin: 0;

  font-family: arial, sans-serif, "微软雅黑", "Microsoft YaHei", "PingFang SC",
    "Hiragino Sans GB", PingHei, STHeiti;
  font-size: 16px;

  color: #333;
}

main {
  display: block;
}

h1 {
  margin: 0.67em 0;

  font-size: 2em;
}

hr {
  overflow: visible;

  box-sizing: content-box;
  height: 0;
}

pre {
  font-family: monospace, monospace;
  font-size: 1em;
}

a {
  text-decoration: none;

  color: #333;
  background-color: transparent;
}

abbr[title] {
  border-bottom: none;

  text-decoration: underline;
  text-decoration: underline dotted;
}

b,
strong {
  font-weight: bolder;
}

code,
kbd,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}

small {
  font-size: 80%;
}

sub,
sup {
  position: relative;

  font-size: 75%;
  line-height: 0;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

img {
  border-style: none;
}

button,
input,
optgroup,
select,
textarea {
  margin: 0;

  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
}

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 {
  display: table;

  box-sizing: border-box;
  padding: 0;
  max-width: 100%;

  white-space: normal;

  color: inherit;
}

progress {
  vertical-align: baseline;
}

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"] {
  outline-offset: -2px;

  -webkit-appearance: textfield;
}

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

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

  -webkit-appearance: button;
}

details {
  display: block;
}

summary {
  display: list-item;
}

template {
  display: none;
}

[hidden] {
  display: none;
}

ul,
li {
  list-style: none;
}

.clearfix:before,
.clearfix:after {
  display: table;

  content: "";
}

.clearfix:after {
  clear: both;
  overflow: hidden;
}

.clearfix {
  zoom: 1;
}

.section {
  position: relative;
  margin: 0 auto;
  width: 1300px;
  box-sizing: border-box;
}

.header,
.nav,
.footer {
  width: 100%;
}

body {
  background-image: url("../png/ja94m1.png");
  background-repeat: no-repeat;
  background-position: center -50px;
}

.header .lang {
  margin: 20px 0 70px;
  text-align: right;
}

.header .lang a {
  display: inline-block;
  border: 1px solid #1658a0;
  width: 80px;
  height: 30px;
  font-size: 16px;
  line-height: 30px;
  text-align: center;
  color: #1658a0;
}

.header h1 {
  display: flex;
  z-index: 1;
  margin: 20px 0 65px;
  text-align: center;
  align-items: center;
  justify-content: center;
}

.header h1 .logo {
  margin-right: 20px;
  width: 60px;
}

.header h1 span {
  font-size: 40px;
  font-weight: bold;
  letter-spacing: 0;
  color: #1658a0;
}

.container {
  background-image: url("../png/qux0bc.png");
  background-repeat: no-repeat;
  background-position: top center;
  padding-bottom: 80px;
}

.nav {
  padding: 40px 0 20px;
}

.nav ul li {
  float: left;
  width: 20%;
  font-size: 24px;
  line-height: 60px;
  text-align: center;
}

.nav ul li a {
  display: block;
  position: relative;
  color: #f5faff;
  opacity: 0.8;
}

.nav ul li a:hover {
  opacity: 1;
  font-weight: bold;
}

.nav ul li a:hover::after {
  position: absolute;
  bottom: 0;
  left: 50%;
  border-radius: 2px;
  width: 40px;
  height: 4px;
  background: #f5faff;
  transform: translate(-50%, 0);
  content: " ";
}


.nav-toggle {
  display: none;
}

.mobile-nav-bar {
  display: none;
}


.breadcrumb {
  margin-bottom: 40px;
  font-size: 16px;
  color: #666;
  border-bottom: 1px solid rgba(153, 153, 153, 0.2);
  padding-bottom: 12px;
}

.breadcrumb a {
  color: #1658a0;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.footer {
  height: 220px;
  line-height: 24px;
  text-align: center;
  color: #fff;
  background-color: #1658a0;
}

.footer .dangbiao {
  padding: 40px 0 20px;
}


@media screen and (max-width: 1300px) {
  .section {
    width: 95%;
    max-width: 1300px;
    padding: 0 10px;
    box-sizing: border-box;
  }
}

@media screen and (max-width: 1024px) {
  .header h1 span {
    font-size: 32px;
  }
}

@media screen and (max-width: 768px) {
  body {
    background-position: center -100px;
  }

  .header {
    position: relative;
  }

  .header .lang {
    margin: 10px 0 30px;
  }

  .header h1 {
    flex-direction: column;
    margin: 10px 0 20px;
  }

  .header h1 .logo {
    margin-right: 0;
    margin-bottom: 10px;
  }

  .header h1 span {
    font-size: 24px;
  }

  
  .nav {
    padding: 0;
    position: relative;
    margin-bottom: 20px;
  }

  
  .mobile-nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #1658a0;
    background-image: linear-gradient(to right, #1658a0, #2468b0);
    padding: 0 15px;
    height: 50px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    color: #fff;
    font-weight: 500;
    font-size: 18px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .mobile-nav-bar:hover {
    background-image: linear-gradient(to right, #1a62b3, #2a70c0);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  }

  .mobile-nav-bar .menu-text {
    flex-grow: 1;
    padding-left: 5px;
  }

  .nav-toggle {
    display: block;
    width: 30px;
    height: 30px;
    position: relative;
    cursor: pointer;
  }

  .nav-toggle span {
    position: absolute;
    left: 0;
    right: 0;
    height: 3px;
    background-color: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .nav-toggle span:nth-child(1) {
    top: 7px;
  }

  .nav-toggle span:nth-child(2) {
    top: 14px;
  }

  .nav-toggle span:nth-child(3) {
    top: 21px;
  }

  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 14px;
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 14px;
  }

  .nav ul {
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
    background-color: #1658a0;
    background-image: linear-gradient(to bottom, #1658a0, #1a62b3);
    z-index: 999;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
    transform: translateY(-10px);
  }

  .nav ul.active {
    max-height: 500px;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav ul li {
    float: none;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    transition: background-color 0.3s ease;
  }

  .nav ul li:last-child {
    border-bottom: none;
  }

  .nav ul li:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }

  .nav ul li a {
    padding: 15px 20px;
    display: block;
    font-weight: 500;
    transition: all 0.3s ease;
  }

  .nav ul li a:hover {
    padding-left: 25px;
  }

  
  .footer {
    height: auto;
    padding: 20px 0;
    font-size: 14px;
  }

  .footer .dangbiao {
    padding: 20px 0 10px;
  }

  .footer .dangbiao img {
    max-width: 80%;
    height: auto;
  }

  
  .container {
    padding-bottom: 40px;
  }

  
  .content {
    padding: 20px 15px;
  }

  
  .title {
    margin-bottom: 20px;
  }

  .title h2,
  .title h3 {
    font-size: 24px;
  }

  .title h2::before,
  .title h2::after,
  .title h3::before,
  .title h3::after {
    display: none;
  }
}

@media screen and (max-width: 480px) {
  .header .lang a {
    width: 60px;
    height: 24px;
    font-size: 14px;
    line-height: 24px;
  }

  
  .section {
    width: 100%;
    padding: 0 10px;
  }
}