:root {
  --red: #d80808;
  --red-hot: #f13a3a;
  --wine: #7d0001;
  --ink: #333;
  --muted: #999;
  --footer: #1b252e;
  --max: 77em;
  --sans: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  color: var(--ink);
  font: 14px/1.8 var(--sans);
  background: #fff;
  padding-top: 5em;
}
img { max-width: 100%; height: auto; border: 0; vertical-align: middle; transition: all .5s; }
a { color: #666; text-decoration: none; transition: all .4s; }
a:hover { color: var(--red); }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; font-weight: 400; }
button { font: inherit; }
.container { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
.muted { color: var(--muted); }

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: #fff;
  height: 5em;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,.18);
}
.header-inner { display: flex; align-items: center; height: 5em; }
.logo { flex: 0 0 auto; line-height: 0; }
.logo img { max-height: 4rem; width: auto; display: block; }
.nav { margin-left: auto; display: flex; align-items: center; font-size: 16px; }
.nav > a, .nav-hotline {
  display: block;
  line-height: 5em;
  height: 5em;
  padding: 0 1.5rem;
  color: #333;
  white-space: nowrap;
}
.nav > a:hover, .nav > a.is-active { color: var(--red); }
.nav-hotline { font-size: 24px; font-weight: 700; color: #111; }
.nav-toggle { display: none; width: 42px; height: 36px; border: 0; background: transparent; padding: 8px; margin-left: auto; }
.nav-toggle i { display: block; height: 2px; background: #222; margin: 5px 0; }
.m-nav { display: none; background: #242424; color: #fff; padding: 8px 16px 16px; }
.m-nav.is-open { display: block; }
.m-nav a { display: block; padding: 10px 0; color: #fff; border-bottom: 1px solid #666; }
.m-nav-item { position: relative; }
.m-nav-more { position: absolute; right: 0; top: 6px; width: 32px; height: 32px; border: 0; background: transparent; color: #fff; }
.m-nav-more:after { content: "+"; }
.m-nav-item.is-open .m-nav-more:after { content: "-"; }
.m-nav-sub { display: none; padding-left: 12px; }
.m-nav-item.is-open .m-nav-sub { display: block; }

.hero-slider, .ad { position: relative; overflow: hidden; background: #535353; text-align: center; }
.hero-slide, .ad-slide { display: none; }
.hero-slide.is-active, .ad-slide.is-active { display: block; }
.hero-media, .ad-slide img { width: 100%; height: auto; display: block; object-fit: contain; }
.hero-arrow {
  position: absolute; top: 50%; z-index: 3; width: 42px; height: 42px; border: 0;
  background: rgba(0,0,0,.28); color: #fff; cursor: pointer; transform: translateY(-50%);
}
.hero-arrow.prev { left: 16px; }
.hero-arrow.next { right: 16px; }
.hero-arrow.prev:after { content: "<"; }
.hero-arrow.next:after { content: ">"; }
.hero-dots { position: absolute; left: 0; right: 0; bottom: 14px; z-index: 3; display: flex; justify-content: center; gap: 8px; }
.hero-dots button { width: 10px; height: 10px; border-radius: 50%; border: 0; background: rgba(255,255,255,.45); padding: 0; }
.hero-dots button.is-active { background: #fff; }

.sy-about { background: var(--wine); padding: 2rem 0; color: #fff; }
.about-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.sy-about h2 { font-size: 1.5rem; margin-bottom: 8px; color: #fff; }
.sy-about p { color: #fff; max-width: 60%; }
.ab-btn { text-align: right; flex-shrink: 0; }
.ab-btn a {
  display: inline-block;
  min-width: 8rem;
  padding: 0 1.5rem;
  height: 3.125rem;
  line-height: 3.125rem;
  border-radius: 1.875rem;
  background: #fff;
  color: #333 !important;
  text-align: center;
}
.ab-btn a:hover { background: var(--red-hot); color: #fff !important; }
.title { text-align: center; padding-top: 3rem; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid #f6f6f6; }
.title h2 { font-size: 1.875rem; padding-bottom: .5rem; }
.title p, .title a { color: var(--muted); }
.sy-service, .advantage-box, .home-news, .lx-box, .page { padding: 3rem 0; }
.service-list, .advantage-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-list li { text-align: center; padding: 8px; }
.service-list h3 { font-size: 1.5rem; margin: 12px 0 8px; }
.service-list p { color: var(--muted); font-size: 0.875rem; }
.zt-ico { display: inline-block; line-height: 1; color: #333; transition: color .4s; }
.zt-ico svg { width: 1em; height: 1em; display: block; margin: 0 auto; }
.service-list .zt-ico, .advantage-list .zt-ico { font-size: 7rem; }
.service-list li:hover .zt-ico, .advantage-list li:hover .zt-ico { color: var(--red-hot); }
.advantage-list li { text-align: center; }
.advantage-list h3 { color: var(--red-hot); font-size: 3rem; line-height: 1.1; margin: -1rem 0 4px; }
.advantage-list p { color: var(--muted); }

.programme-box { padding-bottom: 3rem; background: #f1f1f1; }
.ff-carousel a { display: block; position: relative; background: #000; overflow: hidden; }
.ff-carousel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.fa-txt {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  color: #fff; opacity: 0; font-size: 4rem; z-index: 2; transition: all .4s; white-space: nowrap;
}
.ff-carousel a:hover img { opacity: .3; transform: scale(1.2); }
.ff-carousel a:hover .fa-txt { opacity: 1; font-size: 1.25rem; }

.al-list { display: grid; grid-template-columns: repeat(4, 1fr); padding-top: 2rem; }
.al-list li { position: relative; overflow: hidden; }
.al-list a { display: block; overflow: hidden; }
.al-list img { width: 100%; display: block; }
.al-abs {
  position: absolute; inset: 0; z-index: 2;
  background: transparent; border: 10px solid transparent;
  transition: all .4s;
}
.al-abs span {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 100%; text-align: center; color: transparent; font-size: 2rem; transition: all .4s .2s;
}
.al-list li:hover img { transform: scale(1.2); }
.al-list li:hover .al-abs { background: rgba(0,0,0,.6); border-color: rgba(255,255,255,.5); }
.al-list li:hover span { color: #fff; font-size: 1rem; }

.row-carousel { position: relative; }
.row-viewport { overflow: hidden; }
.row-track { display: flex; width: 100%; flex-wrap: nowrap; transition: transform .5s ease; }
.row-item { flex: 0 0 25%; padding: 0 .5rem; box-sizing: border-box; }
.row-carousel[data-per-view="3"] .row-item { flex: 0 0 33.333%; }
.row-dots { display: flex; justify-content: center; gap: 8px; margin-top: 1.5rem; }
.row-dots button {
  width: 10px; height: 10px; border-radius: 50%; border: 0; padding: 0;
  background: #ccc; cursor: pointer;
}
.row-dots button.is-active { background: var(--red); }
.honor-card { position: relative; overflow: hidden; text-align: center; background: #fff; }
.honor-pic {
  height: 260px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.honor-pic img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.honor-card .name-t {
  background: #fff; height: 3rem; line-height: 3rem;
  box-shadow: 0 2px 6px #000; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 0 8px;
}
.team-abs {
  position: absolute; left: 0; top: 0; right: 0; bottom: 3rem;
  background: transparent; transition: all .4s; text-align: center;
}
.team-abs h3 { padding-top: 40%; color: transparent; font-size: 3rem; transition: all .4s; padding-left: 12px; padding-right: 12px; }
.honor-card:hover .team-abs { background: rgba(0,0,0,.8); }
.honor-card:hover .team-abs h3 { color: #fff; font-size: 1.5rem; }

.brand-box {
  background: #1a1a1a center top / cover no-repeat;
  background-attachment: fixed;
  color: #fff;
}
.brand-box .box1 { padding: 4rem 1rem; max-width: 75rem; margin: 0 auto; }
.brand-box h2 { text-align: center; font-size: 2rem; background: rgba(0,0,0,.4); padding: 1rem 0; }
.brand-box span { color: var(--red-hot); font-size: 3rem; }
.brand-box strong { display: block; }
.team-box { background: #f1f1f1; padding: 3rem 0; }
.value-box {
  background: #0d2338 center/cover no-repeat;
  background-attachment: fixed;
  color: #fff;
}
.value-row { display: flex; align-items: stretch; min-height: 400px; position: relative; }
.ze_video { flex: 1; display: flex; align-items: center; }
.ze_video video { max-width: 100%; height: auto; background: #000; }
.value-txt { width: 50%; margin-left: auto; background: rgba(30,39,48,.8); padding: 5rem 0 5rem 3rem; }
.value-txt h2 { font-size: 2.375rem; margin-bottom: 8px; }
.about-value { background-attachment: scroll; margin-top: 2rem; }
.about-value .value-txt { width: 50%; margin-left: 50%; }
.txt01 { max-width: 40rem; margin: 2rem auto; text-align: center; line-height: 2; }
.txt01 video { max-width: 100%; height: auto; }

.lx-list { display: flex; flex-wrap: wrap; gap: 1rem; }
.lx-list li { flex: 1 1 calc(25% - 1rem); border: 1px solid #ddd; padding: 10px 0; overflow: hidden; }
.lx-list .zt-ico { float: left; font-size: 3rem; padding: 0 1rem; color: #333; }
.lx-list p { padding: 10px; margin: 0; }
.lx-list span { display: block; color: var(--muted); font-size: 0.875rem; }
.map { margin: 2rem 0; text-align: center; }
.map iframe { max-width: 100%; }
.map_box_mobile { display: none; }

.page-tit { text-align: center; font-size: 1.75rem; }
.sub-list { text-align: center; padding: 1rem 0 1.5rem; border-bottom: 1px solid #dfdfdf; }
.sub-list li { display: inline-block; }
.sub-list a {
  display: inline-block;
  padding: .3rem 2rem;
  margin: 0 .5rem;
  border: 1px solid #dfdfdf;
  border-radius: 5rem;
}
.sub-list .active a, .sub-list a:hover { background: var(--red); color: #fff; border-color: var(--red); }
.new-list li { padding: 1.5rem 0; border-bottom: 1px solid #ddd; overflow: hidden; }
.new-list span { float: left; width: 5.25rem; height: 5.25rem; text-align: center; background: #f2f2f2; margin-right: 1rem; color: #666; }
.new-list span strong { display: block; font-size: 1.5rem; padding-top: 1rem; }
.new-list a { display: block; font-size: 1.125rem; color: #333; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.new-list a:hover { color: var(--red); }
.new-list p { font-size: 0.875rem; height: 3.125rem; overflow: hidden; color: #666; }
.n-title { padding-bottom: 1.2rem; border-bottom: 1px solid #dfdfdf; text-align: center; }
.n-title h1 { font-size: 2rem; }
.n-title time, .inf { color: var(--muted); font-size: 0.875rem; }
.news-txt { padding-top: 1.5rem; }
.news-txt img, .text-box img, .prose img { max-width: 100%; height: auto; display: inline-block; margin: .5rem auto; }
.al-tit { padding: 2rem 0 1rem; }
.al-tit h1 { font-size: 1.75rem; }
.al-dbox { display: flex; gap: 2%; padding-top: 2rem; align-items: flex-start; }
.l-box { width: 73%; background: #fff; box-shadow: 0 0 6px rgba(0,0,0,.1); padding: 1.5rem; }
.r-box { width: 25%; background: #fff; box-shadow: 0 0 6px rgba(0,0,0,.1); padding: 1.5rem; }
.r-box .al-list { grid-template-columns: 1fr; padding-top: 1rem; }
.product-title {
  font-size: 1rem;
  border-bottom: 1px solid #e4eaec;
  padding: 0 0 .5rem 1rem;
  position: relative;
}
.product-title:before {
  content: "";
  width: 7rem;
  height: 2px;
  background: #333;
  position: absolute;
  left: 0;
  bottom: -1px;
}
.text-box, .xm-mx { padding-top: 1rem; font-size: 0.875rem; }
.mt1 { margin-top: 1rem; }
.pager { text-align: center; margin-top: 24px; }
.crumbs { padding: 12px 0; color: var(--muted); font-size: 13px; }
.form label { display: block; margin: 10px 0 4px; }
.form input, .form textarea { width: 100%; padding: 8px 10px; border: 1px solid #ddd; }
.form .hp { position: absolute; left: -9999px; }
.notice { padding: 10px 12px; margin-bottom: 12px; }
.notice.ok { background: #e8f7ee; }
.notice.err { background: #fdecec; }

.footer { background: var(--footer); color: #8b939d; padding: 2rem 0; text-align: center; font-size: 0.875rem; }
.footer a, .footer .license-open { color: #8b939d; margin: 0 8px; }
.footer a:hover, .footer .license-open:hover { color: var(--red); }
.footer .license-open {
  display: inline;
  border: 0;
  padding: 0;
  background: none;
  font: inherit;
  cursor: pointer;
}
.license-mask {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.license-mask[hidden] { display: none; }
.license-box { position: relative; max-width: min(720px, 100%); max-height: 90vh; }
.license-box img { max-width: 100%; max-height: 88vh; display: block; background: #fff; }
.license-close {
  position: absolute;
  right: -8px;
  top: -36px;
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.footer .beian-icon {
  width: 16px;
  height: 16px;
  margin-right: 4px;
  vertical-align: -2px;
}
.b-nav { padding: 1rem 0; border-top: 1px solid #313a43; }
.sidebar {
  position: fixed; right: 16px; bottom: 80px; z-index: 50;
  display: flex; flex-direction: column; gap: 2px;
}
.sidebar a, .sidebar button {
  width: 54px; min-height: 54px; border: 0; background: var(--wine); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 13px; cursor: pointer;
}
.sidebar a:hover, .sidebar button:hover { background: var(--red); }

@media (max-width: 1100px) {
  .al-list { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  body { padding-top: 3.75em; }
  .navbar, .header-inner { height: 3.75em; }
  .logo img { max-height: 2.75rem; height: 2.75rem; }
  .nav { display: none; }
  .nav-toggle { display: block; }
  .service-list, .advantage-list, .al-list { grid-template-columns: 1fr 1fr; }
  .row-item, .row-carousel[data-per-view="3"] .row-item { flex-basis: 50%; }
  .lx-list li { flex: 1 1 calc(50% - 1rem); }
  .value-row, .about-row { flex-direction: column; }
  .sy-about p, .value-txt, .about-value .value-txt { max-width: 100%; width: 100%; margin: 0; }
  .l-box, .r-box { width: 100%; }
  .al-dbox { display: block; }
  .r-box { margin-top: 1rem; }
  .map_box { display: none; }
  .map_box_mobile { display: block; }
  .ab-btn { text-align: center; }
  .brand-box { background-attachment: scroll; }
  .brand-box h2 { font-size: 1.5rem; line-height: 3rem; }
  .brand-box h2 span { display: none; }
  .brand-box h2 strong { display: inline-block; font-weight: 400; }
}
@media (max-width: 640px) {
  .al-list { grid-template-columns: 1fr; }
  .service-list, .advantage-list { grid-template-columns: 1fr 1fr; gap: 10px 8px; }
  .service-list li, .advantage-list li { padding: 4px 2px; }
  .service-list .zt-ico, .advantage-list .zt-ico { font-size: 3.25rem; }
  .service-list h3 { font-size: 1.05rem; margin: 6px 0 4px; }
  .advantage-list h3 { font-size: 1.75rem; margin: 0 0 2px; }
  .service-list p, .advantage-list p { font-size: 0.75rem; }
  .sy-service, .advantage-box { padding: 1.5rem 0; }
  .row-item, .row-carousel[data-per-view="3"] .row-item { flex-basis: 100%; }
  .lx-list li { flex-basis: 100%; }
  .new-list span { display: none; }
  .ze_video { display: none; }
  .brand-box .box1 { padding: 2rem 1rem; }
}
