:root {
  --container: 1600px;
  --blue: #0b63c6;
  --deep: #0a2c59;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(15, 23, 42, 0.12);
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.1);
}
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font:
    14px/1.6 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    Arial,
    sans-serif;
  color: var(--text);
  background: #fff;
}
img {
  width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: var(--container);
  max-width: calc(100% - 40px);
  margin: 0 auto;
}

/* fixed header on banner (match mock) */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}
.topbar__inner {
  height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}
.brand img {
  width: 180px;
  height: auto;
}
.nav {
  flex: 1;
  display: flex;
  justify-content: flex-start;
  gap: 6px;

  padding: 135px;
  align-items: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.92);
}
.nav a {
  position: relative;
  opacity: 0.92;
  padding: 5px 10px;
  transition:
    opacity 0.2s ease,
    color 0.2s ease;
}
.nav a:hover {
  opacity: 1;
}
.nav a.is-active {
  border-radius: 10px;
  background-color: rgb(255, 255, 255);

  color: #015abb;
}
.lang {
  display: flex;
  margin-left: 16px;
  gap: 16px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 12px;
  align-items: center;
}
.lang .lang_btn {
  border-width: 1px;
  border-color: rgb(255, 255, 255);
  border-style: solid;
  border-radius: 3px;
  text-align: center;
  line-height: middle;
  box-sizing: border-box;
  width: 38px;
  height: 20px;
}

/* solid header state after scroll */
.topbar.topbar--solid {
  background: rgba(0, 0, 0, 0.8);
  border-color: rgba(2, 6, 23, 0.06);
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
}
.topbar.topbar--solid .nav {
  color: #fff;
}
.topbar.topbar--solid .lang {
  color: rgba(255, 255, 255, 0.7);
}
.topbar.topbar--solid .nav a.is-active::after {
  background: var(--blue);
}

/* anchor offset (because header is fixed) */
section {
  scroll-margin-top: 92px;
}

/* hero */
.hero {
  position: relative;
  overflow: hidden;
}

.hero__image {
  height: 760px;
  object-fit: cover;
  transform: scale(1);
  transition:
    transform 0.9s ease,
    opacity 0.5s ease;
  will-change: transform, opacity;
}

.banner_nav {
  position: absolute;
  left: 50%;
  bottom: 330px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 3;
}

.banner_nav_item {
  position: relative;
  width: 32px;
  height: 32px;
  padding: 0;
  

  border: 0;
  background: transparent;
  cursor: pointer;
  outline: none;
}

.banner_nav_item::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-sizing: border-box;
}

.banner_nav_item::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 1);
  transition: background 0.2s ease, transform 0.2s ease;
}

.banner_nav_item:not(.active)::before {
  border: 0px solid rgba(255, 255, 255, 0.55);
}

.banner_nav_item.active::before {
  padding: 4px;
  background: conic-gradient(
    rgba(255, 255, 255, 0.98) calc(var(--progress, 0) * 1turn),
    rgba(255, 255, 255, 0.24) 0
  );
  -webkit-mask: radial-gradient(
    farthest-side,
    transparent calc(100% - 3px),
    #000 calc(100% - 3px)
  );
  mask: radial-gradient(
    farthest-side,
    transparent calc(100% - 3px),
    #000 calc(100% - 3px)
  );
}

.banner_nav_item.active::after {
  background: #fff;
  transform: scale(1.05);
}

.hero__cards {
  position: relative;
  margin-top: 110px;
  padding-bottom: 18px;
}
.quick-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 0 18px;
}
.quick-card {
  border-radius: 2px;
  background-color: rgb(211, 210, 207);
  height: 162px;
  position: relative;
  overflow: hidden;
}

.quick-card__inner {
  position: relative;
  padding: 22px 36px;
  height: 162px;
  box-sizing: border-box;
}
.quick-card__inner::after {
  position: absolute;
  content: " ";
  width: 100%;
  height: 100%;
  background: url(./img-bg.png) no-repeat -47px 41px / 682px auto;
  top: 0;
  left: 0;
}
.quick-card__inner_1::after {
  background-position: -47px 41px;

  opacity: 0.22;
}
.quick-card__inner_2::after {
  background-size: 1048px auto;
  background-position: -102px 22px;

  opacity: 0.2;
}
.quick-card__inner_3::after {
  background-size: 1048px auto;
  background-position: -346px 93px;

  opacity: 0.2;
}
.quick-card__title {
  font-size: 24px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);

  letter-spacing: 0.4px;
}
.quick-card__desc {
  font-size: 16px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);

  margin-top: 6px;
}
.quick-card.is-active {
  background: rgba(35, 106, 201, 0.88);
}
.quick-card.is-active .quick-card__title,
.quick-card.is-active .quick-card__desc {
  color: #fff;
}

/* section titles */
.section {
  padding: 70px 0;
}
.section-title {
  display: flex;
  justify-content: center;
  margin-bottom: 26px;
  position: relative;
  z-index: 1;
}
.section-title h2 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 0.2px;
  color: #0b2a52;
}
.section-title h2 small {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(11, 42, 82, 0.55);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* intro */
.intro {
  padding-top: 54px;
}
.intro-grid {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 42px;
  align-items: start;
}
.intro-card {
  padding-right: 18px;
}
.intro-card .kicker {
  letter-spacing: 0.6px;
  font-size: 48px;
  line-height: 60px;
  font-family: "Microsoft YaHei";
  color: rgb(51, 51, 51);
  text-transform: uppercase;
}
.intro-card .desc {
  margin: 14px 0 0;
  font-size: 36px;
  font-family: "Microsoft YaHei";
  color: rgb(37, 65, 165);
  text-transform: uppercase;
  word-break: keep-all;
  overflow: visible;
  white-space: nowrap;
}
.intro-meta {
  margin-top: 18px;
  font-size: 12px;
  font-size: 22px;
  font-family: "Microsoft YaHei";
  color: rgb(51, 51, 51);
  position: relative;
}
.intro-meta::before {
  content: " ";
  position: absolute;
  width: 1px;
  background-color: rgb(208, 208, 210);
  position: absolute;
  left: 20.5px;
  top: 31px;
  width: 1px;
  height: 166px;
}
.intro-meta div {
  padding: 10px 12px 10px 56px;
  position: relative;
}
.intro-meta div::before {
  content: " ";
  border-radius: 50%;
  background-color: rgb(202, 202, 202);

  position: absolute;
  width: 10px;
  height: 10px;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
}
.intro-meta .intro-meta__item::before {
  background-color: rgb(1, 96, 190);
}
.intro-desc {
  padding: 20px 0 0 0;
}
.intro-desc-img {
  width: 76px;
  display: block;
  margin: 0 0 53px 2px;
}
.intro-desc__item {
  font-size: 16px;
  font-family: "Microsoft YaHei";
  color: rgb(51, 51, 51);
  text-transform: uppercase;
  line-height: 1.5;
}
.intro-desc__item2 {
  font-size: 18px;
  font-family: "Microsoft YaHei";
  color: rgb(0, 90, 186);
  text-transform: uppercase;
  line-height: 1.333;
  padding: 20px 9px 20px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.intro-desc-img1 {
  width: 40px;
}
.intro-image {
  width: 1060px;
  height: 848px;
  background: url(./introduce.png) center / cover no-repeat;
}
.intro-image__inner {
  padding: 403px 0 0 371px;
}
.intro-image__inner .intro-image__inner_text {
  font-size: 30px;
  font-family: "Microsoft YaHei";
  color: rgba(255, 255, 255, 0.502);
  font-weight: bold;
  text-transform: uppercase;
  line-height: 2.4;
}
.intro-image__inner .intro-image__inner_text1 {
  font-size: 24px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);
  text-transform: uppercase;
  line-height: 1.5;
}
/* advantages - match mock: left title + right card */
.advantages {
  background: url("./middle-bg.jpg") center / cover no-repeat;
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 45px 0 133px 0;
}
.adv-layout {
  display: grid;
  grid-template-columns: 527px 1fr;
  gap: 26px;
  align-items: start;
}
.adv-left {
  padding: 20px 0 0 18px;
}
.adv-left h2 {
  font-size: 48px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);
  font-weight: bold;
  text-transform: uppercase;
  margin-top: 0;
}
.adv-left .section-title__subtitle {
  font-size: 40px;
  font-family: "Microsoft YaHei";
  color: rgba(255, 255, 255, 0.502);
  font-weight: bold;
  text-transform: uppercase;
  line-height: 1.8;
  margin: 0;
}
.section-title__desc {
  font-size: 18px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);
  text-transform: uppercase;
  padding: 67px 0 0 20px;
  position: relative;
}
.section-title__desc::before {
  content: " ";
  position: absolute;
  top: 45px;
  left: 10px;
  background-color: rgb(255, 255, 255);
  width: 96px;
  height: 1px;
}
.adv-card {
  color: var(--text);
  border-radius: 10px;
  background-color: rgb(255, 255, 255);
  border-radius: 10px;
  background-color: rgb(255, 255, 255);
  height: 550px;
}
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.adv-item {
  padding: 70px 22px 26px;
  border-right: 1px solid rgba(2, 6, 23, 0.06);
  text-align: center;
  position: relative;
}
.adv-item:last-child {
  border-right: 0;
}
.adv-icon {
  width: 42px;
  display: inline-block;
}
.adv-item h3 {
  font-size: 24px;
  font-family: "Microsoft YaHei";
  color: rgb(0, 0, 0);
  font-weight: bold;
  text-transform: uppercase;
  line-height: 48px;
  margin-top: 12px;
  margin-bottom: 0;
}
.adv-item.active::after {
  background-color: rgb(1, 96, 190);
  position: absolute;
  width: 99px;
  height: 5px;
  bottom: 0;
  content: " ";
  left: 50%;
  transform: translateX(-50%);
}
.adv-detail {
  padding: 70px 22px 20px 75px;
}
.adv-title {
  font-size: 24px;
  font-family: "Microsoft YaHei";
  color: rgb(0, 0, 0);
  font-weight: bold;
  text-transform: uppercase;
  line-height: 3;
}
.adv-desc {
  font-size: 18px;
  font-family: "Microsoft YaHei";
  color: rgb(51, 51, 51);
  text-transform: uppercase;
}
.adv-item p {
  margin: 8px 0 0;
  color: rgba(15, 23, 42, 0.65);
  font-size: 12px;
}

/* news */
.news {
  position: relative;
}
.news .watermark {
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  font-weight: 800;
  letter-spacing: 6px;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
  font-size: 100px;
  font-family: "Microsoft YaHei";
  color: rgb(245, 245, 245);
  font-weight: bold;
  text-transform: uppercase;
}
.section-title h2 {
  font-size: 60px;
  font-family: "Microsoft YaHei";
  color: rgb(51, 51, 51);
  font-weight: bold;
  text-transform: uppercase;
  line-height: 100px;
  text-align: center;
}
.news-grid {
  display: flex;
  gap: 30px;
}
.news-cover {
  overflow: hidden;

  position: relative;
}
.news-cover__img {
  display: block;
  width: 836px;
}
.news-cover__text {
  display: flex;
  justify-content: space-between;
}
.news-cover__date {
  margin-top: 47px;
  font-size: 14px;
  font-family: "Microsoft YaHei";
  color: rgb(153, 153, 153);
}
.news-cover__text h3 {
  font-size: 26px;
  font-family: "Microsoft YaHei";
  color: rgb(51, 51, 51);
  font-weight: bold;
  text-transform: uppercase;
  margin-top: 35px;
  margin-bottom: 0;
}
.news-cover__text p {
  font-size: 16px;
  font-family: "Microsoft YaHei";
  color: rgb(51, 51, 51);
  text-transform: uppercase;
  margin-top: 6px;
}
.news-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #fff;
  overflow: hidden;
}
.news-item {
  display: flex;
  border-radius: 8px;
  overflow: hidden;
  background-color: rgb(240, 240, 240);
}
.news-item .news-arrow {
  font-size: 12px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);
  width: 0;
  background-color: rgb(1, 96, 190);
  transition: width 0.2s ease;
  line-height: 114px;
  text-align: center;
}
.news-item:hover .news-arrow {
  font-size: 12px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);
  text-transform: uppercase;
  width: 50px;
}
.news-date {
  width: 116px;
  height: 114px;
  text-align: center;
}
.news-date div {
  font-size: 60px;
  font-family: "Microsoft YaHei";
  color: rgb(153, 153, 153);
  line-height: 47px;
  padding-top: 26px;
  text-transform: uppercase;
}
.news-date span {
  font-size: 14px;
  font-family: "Microsoft YaHei";
  color: rgb(153, 153, 153);
  text-transform: uppercase;
}
.news-body {
  flex: 1;
  margin: 24px 0;
  padding: 0 28px;
  border-left: 1px solid rgb(157, 157, 157);
  overflow: hidden;
}
.news-body h4 {
  font-size: 18px;
  font-family: "Microsoft YaHei";
  color: rgb(51, 51, 51);
  text-transform: uppercase;
  line-height: 66px;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-body p {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--muted);
}
.dots {
  display: flex;
  justify-content: center;
  gap: 41px;
  margin-top: 137px;
}
.dot {
  border-radius: 50%;
  background-color: rgb(157, 157, 157);
  width: 12px;
  height: 12px;
}
.dot.is-active {
  background: rgba(11, 99, 198, 0.85);
}

/* contact */
.contact {
  background-image: -moz-linear-gradient(
    -92deg,
    rgb(63, 157, 244) 0%,
    rgb(255, 255, 255) 31%
  );
  background-image: -webkit-linear-gradient(
    -92deg,
    rgb(63, 157, 244) 0%,
    rgb(255, 255, 255) 31%
  );
  background-image: -ms-linear-gradient(
    -92deg,
    rgb(63, 157, 244) 0%,
    rgb(255, 255, 255) 31%
  );

  position: relative;
  overflow: hidden;
  color: #fff;
}
.contact .watermark {
  font-size: 100px;
  font-family: "Microsoft YaHei";
  color: rgba(245, 245, 245, 0.302);
  font-weight: bold;
  text-transform: uppercase;
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
}
.contact .section-title {
  justify-content: center;
  text-align: center;
}
.contact .section-title h2 {
  color: #fff;
}
.contact .section-title h2 small {
  color: rgba(255, 255, 255, 0.75);
}
.contact-cards {
  border-radius: 8px;
  background-color: rgb(255, 255, 255);
  height: 797px;
  padding: 75px 0 0 0;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: center;
  box-sizing: border-box;
  gap: 54px;
}
.contact-card {
}

.contact-card__body {
  box-sizing: border-box;
  padding: 51px 16px 18px 89px;
}
.contact-card__img_1 {
  background: url(./map.png) center / cover no-repeat;
  height: 633px;
  width: 638px;
}
.contact-card__img_2 {
  background: url(./employee.png) center / cover no-repeat;
  height: 633px;
  width: 360px;
}
.contact-card__img_3 {
  background: url(./info.png) center / cover no-repeat;
  height: 633px;
  width: 360px;
}
.contact-card__body h3 {
  font-size: 36px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);
  text-transform: uppercase;
}
.contact-card__body p {
  margin: 8px 0 0;
  font-size: 12px;
  color: rgba(15, 23, 42, 0.65);
}

/* footer */
.footer {
  padding: 0 0 22px;
}
.footer_left {
  padding: 25px 0 0 0;
}
.footer_flex {
  display: flex;
  padding: 0 0 47px 106px;
}
.footer_title {
  font-size: 18px;
  font-family: "Microsoft YaHei";
  color: rgb(0, 0, 0);
  text-transform: uppercase;
  padding: 0 0 20px 21px;

}
.mail {
  border-radius: 2px;
  background:rgb(1, 96, 190) url(./email.png) no-repeat  center / 27px 21px;
  width: 443px;
  height: 40px;
  display: inline-block;


}
.footer_box {
  padding: 46px 0 0 0;
  display: flex;
}
.footer_text {
  font-size: 18px;
  font-family: "Microsoft YaHei";
  color: rgb(0, 0, 0);
  text-transform: uppercase;
  
  padding: 0 25px 20px 21px;
}
.footer_text span{
  color: #0160be;
}
.footer-grid {
  display: grid;
  gap: 66px;
  align-items: start;
  padding: 0 0 0 232px;
  grid-template-columns: repeat(5, 1fr);
}
.footer h4 {
  font-size: 16px;
  font-family: "Microsoft YaHei";
  color: rgb(0, 0, 0);
  font-weight: bold;
  text-transform: uppercase;

}
.footer a {
  color:#666;
  font-size: 14px;
}
.footer a:hover {
  color:#333;
}
.footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 12px;
  
}
.qr {
  width: 96px;
  height: 96px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.18);
  display: grid;
  place-items: center;
  color: rgba(0, 0, 0, 0.8);
  font-weight: 700;
  letter-spacing: 1px;
}
.copyright {
  background-color: rgb(2, 91, 185);
  height: 119px;

}
.copyright-text {
  font-size: 16px;
  font-family: "Microsoft YaHei";
  color: rgb(255, 255, 255);
  text-transform: uppercase;
  padding: 21px 0 0 123px;

}

/* responsive */
@media (max-width: 980px) {
  .nav {
    display: none;
  }
  .lang {
    display: none;
  }
  .hero__image {
    height: 420px;
  }
  .quick-cards {
    grid-template-columns: 1fr;
  }
  .intro-grid {
    grid-template-columns: 1fr;
  }
  .adv-layout {
    grid-template-columns: 1fr;
  }
  .adv-grid {
    grid-template-columns: 1fr 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .contact-cards {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 520px) {
  .adv-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}