/* Template 4 — Asymmetric Dock */
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; width: 100%; overflow-x: hidden; }
*, *:before, *:after { box-sizing: border-box; }

body.z4e51abody {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: #1e2833; background: #f5f3f1; line-height: 1.7; word-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }

.z4e51acontainer {
  display: block;
  width: 94%;
  max-width: 1520px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

.z4e51aheader {
  position: relative; z-index: 100; width: 100%;
  background: #fff; border-bottom: 2px solid #243447;
}
.z4e51aheaderinner { position: relative; display: flex; align-items: center; min-height: 66px; }
.z4e51alogo {
  display: flex; align-items: center; font-weight: 700;
  max-width: 36%; margin-right: 12px; flex-shrink: 0;
}
.z4e51alogomark {
  width: 34px; height: 34px; margin-right: 10px; border-radius: 6px;
  background: #e85d4c; color: #fff; font-size: 12px; text-align: center; line-height: 34px; flex-shrink: 0;
}
.z4e51alogotext { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.z4e51anavtog { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.z4e51anavbtn { display: none; cursor: pointer; margin-left: auto; padding: 10px; flex-shrink: 0; }
.z4e51anavbtn span { display: block; width: 22px; height: 2px; margin: 5px 0; background: #243447; }
.z4e51anav { margin-left: auto; }
.z4e51anavlist { display: flex; flex-wrap: wrap; align-items: center; }
.z4e51anavlist li { margin-left: 20px; }
.z4e51anavlist a { font-size: 15px; color: #667484; font-weight: 500; }
.z4e51anavlist a:hover { color: #e85d4c; }
.z4e51abtnnav {
  margin-left: 14px; flex-shrink: 0; white-space: nowrap;
  background: #243447; color: #fff !important; padding: 10px 16px; border-radius: 8px; font-size: 14px; font-weight: 700;
}
.z4e51abtnnav:hover { background: #e85d4c; }

.z4e51abtn {
  display: inline-block; padding: 12px 20px; border-radius: 8px;
  font-weight: 700; font-size: 14px; border: 2px solid transparent; text-align: center;
}
.z4e51abtnprimary { background: #e85d4c; color: #fff !important; }
.z4e51abtnprimary:hover { background: #c94738; }
.z4e51abtnoutline { border-color: rgba(255,255,255,.4); color: #fff !important; }
.z4e51abtnoutline:hover { background: #fff; color: #243447 !important; }
.z4e51abtnblock { display: block; width: 100%; }

/* Banner split — stack-friendly, no clip-path dependency on mobile */
.z4e51abanner { width: 100%; background: #243447; color: #fff; overflow: hidden; }
.z4e51abannersplit { display: flex; flex-wrap: wrap; min-height: 520px; }
.z4e51abannerleft {
  width: 55%; background: #1a2634; display: flex; align-items: center;
  padding: 56px 4% 72px; box-sizing: border-box;
}
.z4e51abannerleftinner { width: 100%; max-width: 720px; }
.z4e51abannertag { font-size: 12px; font-weight: 700; color: #e85d4c; margin-bottom: 14px; }
.z4e51abannertitle { font-size: 40px; line-height: 1.3; margin-bottom: 14px; }
.z4e51abannerdesc { color: rgba(255,255,255,.75); margin-bottom: 22px; }
.z4e51abannerbtns { margin-bottom: 24px; }
.z4e51abannerbtns .z4e51abtn { margin: 0 8px 10px 0; }
.z4e51abannerpoints { overflow: hidden; }
.z4e51abannerpoints li {
  float: left; width: 50%; padding: 4px 8px 4px 0; font-size: 13px; color: rgba(255,255,255,.7);
}
.z4e51abannerpoints li:before { content: "\25B8"; color: #e85d4c; margin-right: 6px; }
.z4e51abannerright { width: 45%; overflow: hidden; }
.z4e51abannerright img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; }

.z4e51astats { position: relative; z-index: 2; margin-top: -36px; width: 100%; padding: 0 20px; }
.z4e51astatsrow {
  max-width: 1520px; margin-left: auto; margin-right: auto;
  background: #fff; border-radius: 10px; border: 1px solid #dcd6d0;
  box-shadow: 0 16px 40px rgba(36,52,71,.12); overflow: hidden; padding: 20px 0;
}
.z4e51astat { float: left; width: 25%; text-align: center; padding: 8px 6px; }
.z4e51astatsrow:after { content: ""; display: table; clear: both; }
.z4e51astat strong { display: block; font-size: 26px; color: #e85d4c; }
.z4e51astat span { font-size: 12px; color: #667484; }

.z4e51asection { width: 100%; padding: 64px 0; clear: both; }
.z4e51aalt { background: #ebe7e3; }
.z4e51asectionhead { text-align: center; margin-bottom: 36px; }
.z4e51asectionhead.z4e51aleft { text-align: left; }
.z4e51asectiontitle { font-size: 30px; margin-bottom: 8px; }
.z4e51asectiondesc { color: #667484; }

.z4e51aaboutblock {
  background: #fff; border-radius: 10px; border: 1px solid #dcd6d0;
  padding: 32px; border-top: 4px solid #e85d4c;
}
.z4e51aaboutblock h3 { margin-bottom: 12px; font-size: 22px; }
.z4e51aaboutblock p { color: #667484; margin-bottom: 12px; }
.z4e51atags { margin: 16px 0; }
.z4e51atags span {
  display: inline-block; margin: 0 8px 8px 0; padding: 6px 12px;
  background: #fdece9; color: #c94738; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.z4e51achecklist { overflow: hidden; margin-top: 12px; }
.z4e51achecklist li {
  float: left; width: 50%; padding: 0 12px 10px 18px; position: relative;
  font-size: 14px; color: #667484; box-sizing: border-box;
}
.z4e51achecklist li:before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 8px; height: 8px; background: #e85d4c; border-radius: 2px;
}
.z4e51achecklist:after { content: ""; display: table; clear: both; }

.z4e51agrid2, .z4e51agrid3, .z4e51agrid4 { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.z4e51acard, .z4e51ascene, .z4e51aadv, .z4e51aquote {
  background: #fff; border: 1px solid #dcd6d0; border-radius: 10px; padding: 24px;
  margin: 0 12px 24px; box-sizing: border-box;
}
.z4e51agrid2 .z4e51ascene { width: calc(50% - 24px); border-bottom: 3px solid #243447; }
.z4e51agrid3 .z4e51acard, .z4e51agrid3 .z4e51aquote { width: calc(33.333% - 24px); min-height: 200px; }
.z4e51agrid4 .z4e51aadv { width: calc(25% - 24px); min-height: 150px; }
.z4e51acard h3, .z4e51ascene h3, .z4e51aadv h3 { margin-bottom: 8px; font-size: 17px; }
.z4e51acard p, .z4e51ascene p, .z4e51aadv p { color: #667484; font-size: 14px; }
.z4e51acard ul { margin-top: 10px; }
.z4e51acard li { font-size: 13px; color: #667484; padding: 2px 0 2px 12px; position: relative; }
.z4e51acard li:before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 5px; height: 5px; border-radius: 50%; background: #e85d4c;
}
.z4e51aadv span { display: block; color: #e85d4c; font-weight: 700; font-size: 13px; margin-bottom: 6px; }
.z4e51aquote p { margin-bottom: 12px; }
.z4e51aquote footer { font-size: 13px; color: #667484; }

.z4e51azigzag { max-width: 800px; margin: 0 auto; list-style: none; }
.z4e51azigzag li {
  display: flex; align-items: center; margin-bottom: 14px;
  background: #fff; border: 1px solid #dcd6d0; border-radius: 10px; padding: 18px 20px;
}
.z4e51azigleft { margin-right: 10%; }
.z4e51azigright { margin-left: 10%; flex-direction: row-reverse; text-align: right; }
.z4e51azigzag span {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%; margin: 0 16px;
  background: #243447; color: #e85d4c; font-weight: 700; text-align: center; line-height: 40px;
}
.z4e51azigzag h3 { font-size: 16px; margin-bottom: 4px; }
.z4e51azigzag p { font-size: 13px; color: #667484; }

.z4e51aindustries { text-align: center; }
.z4e51aindustries li {
  display: inline-block; margin: 5px; padding: 10px 16px;
  background: #fff; border: 1px solid #dcd6d0; border-radius: 8px; font-size: 14px;
}

.z4e51afaqlist { max-width: 860px; margin: 0 auto; }
.z4e51afaqlist article {
  background: #fff; border: 1px solid #dcd6d0; border-radius: 10px;
  padding: 18px 20px; margin-bottom: 10px; border-left: 4px solid #e85d4c;
}
.z4e51afaqlist h3 { font-size: 15px; margin-bottom: 6px; }
.z4e51afaqlist p { font-size: 14px; color: #667484; }

.z4e51acontactwrap { display: flex; flex-wrap: wrap; margin: 0 -10px; }
.z4e51acontactinfo, .z4e51aform {
  width: calc(50% - 20px); margin: 0 10px;
  background: #fff; border: 1px solid #dcd6d0; border-radius: 10px; padding: 26px;
  box-sizing: border-box;
}
.z4e51acontactinfo h3 { margin-bottom: 14px; }
.z4e51acontactinfo li {
  overflow: hidden; font-size: 14px; padding-bottom: 10px; margin-bottom: 10px;
  border-bottom: 1px dashed #dcd6d0;
}
.z4e51acontactinfo span { float: left; color: #667484; }
.z4e51acontactinfo strong { float: right; }
.z4e51aonline { color: #e85d4c; }
.z4e51aform label { display: block; margin-bottom: 12px; font-size: 13px; font-weight: 600; }
.z4e51aform input, .z4e51aform select, .z4e51aform textarea {
  display: block; width: 100%; margin-top: 6px; padding: 11px 12px;
  border: 1px solid #dcd6d0; border-radius: 8px; font: inherit; background: #fff;
}

.z4e51afooter { width: 100%; background: #1a2634; color: rgba(255,255,255,.72); padding: 52px 0 24px; }
.z4e51afootergrid { display: flex; flex-wrap: wrap; margin: 0 -11px 24px; }
.z4e51afootergrid > div { width: 25%; padding: 0 11px; box-sizing: border-box; }
.z4e51afooter h3 { color: #fff; font-size: 15px; margin-bottom: 10px; }
.z4e51afooter p, .z4e51afooter li { font-size: 13px; margin-bottom: 8px; }
.z4e51afooter a:hover { color: #e85d4c; }
.z4e51aflinklist li { display: inline-block; margin-right: 10px; }
.z4e51aadbox { margin: 16px 0; }
.z4e51afooterbottom {
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 16px; overflow: hidden; font-size: 12px;
}
.z4e51afooterbottom p { float: left; margin-right: 16px; }
.z4e51afooterbottom a { color: #e85d4c; }

@media screen and (max-width: 992px) {
  .z4e51anavbtn { display: block; }
  .z4e51abtnnav { display: none !important; }
  .z4e51anav {
    position: absolute; left: 0; right: 0; top: 100%; margin: 0;
    background: #fff; border-bottom: 1px solid #dcd6d0;
    max-height: 0; overflow: hidden; z-index: 60;
    box-shadow: 0 12px 24px rgba(0,0,0,.08);
  }
  .z4e51anavlist { display: block; padding: 8px 20px 16px; }
  .z4e51anavlist li { margin: 0; }
  .z4e51anavlist a { display: block; padding: 12px 4px; font-size: 15px; }
  .z4e51anavtog:checked ~ .z4e51anav { max-height: 70vh; overflow-y: auto; }

  .z4e51abannerleft, .z4e51abannerright { width: 100%; }
  .z4e51abannerleft { padding: 48px 20px 40px; }
  .z4e51abannerright img { min-height: 240px; max-height: 300px; }
  .z4e51abannersplit { min-height: 0; }
  .z4e51astat { width: 50%; }
  .z4e51achecklist li { width: 100%; float: none; }
  .z4e51agrid3 .z4e51acard, .z4e51agrid3 .z4e51aquote,
  .z4e51agrid4 .z4e51aadv, .z4e51acontactinfo, .z4e51aform,
  .z4e51afootergrid > div { width: calc(50% - 16px); }
  .z4e51acontactinfo, .z4e51aform { width: 100%; margin: 0 0 16px; }
  .z4e51azigleft, .z4e51azigright { margin: 0 0 14px; }
  .z4e51azigright { flex-direction: row; text-align: left; }
  .z4e51astats { margin-top: -24px; }
}

@media screen and (max-width: 640px) {
  .z4e51abannertitle { font-size: 26px; }
  .z4e51abannerbtns .z4e51abtn { display: block; width: 100%; margin: 0 0 10px; }
  .z4e51abannerpoints li { width: 100%; float: none; }
  .z4e51astat,
  .z4e51agrid2 .z4e51ascene,
  .z4e51agrid3 .z4e51acard,
  .z4e51agrid3 .z4e51aquote,
  .z4e51agrid4 .z4e51aadv,
  .z4e51afootergrid > div { width: 100%; margin-left: 0; margin-right: 0; }
  .z4e51agrid2, .z4e51agrid3, .z4e51agrid4 { margin: 0; }
  .z4e51asection { padding: 44px 0; }
  .z4e51acontactinfo span, .z4e51acontactinfo strong { float: none; display: block; }
  .z4e51afooterbottom p { float: none; }
}
/* PC 大屏框架增强 */
@media screen and (min-width: 1400px) {
  .z4e51asection_title, .z4e51asection-title, .z4e51asectiontitle { font-size: 36px !important; }
  .z4e51abanner_title, .z4e51abannertitle, .z4e51abanner-title { font-size: 48px !important; }
}