:root {
  --background-color: #0f4c81;
  --bgColor: #f3f5f7;
  --text-deep: #101820;
  --text-shallow: #4d5965;
  --text-color-grey: #7a8590;
  --deep-background: #eef2f5;
  --biz-border: #d7dee6;
  --biz-navy: #0d2238;
  --biz-gold: #c69c56;
}

body.is-business {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.65), rgba(243, 247, 251, 0.85)),
    radial-gradient(circle at 10% -10%, rgba(15, 76, 129, 0.08), transparent 45%),
    linear-gradient(180deg, #f9fbfd 0%, #f3f5f7 100%);
  color: var(--text-deep);
}

.is-business .content {
  max-width: 1180px;
  padding: 0 20px;
}

.is-business nav {
  position: sticky;
  top: 0;
  z-index: 99;
  height: 74px;
  line-height: 74px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(16, 24, 32, 0.08);
  backdrop-filter: blur(8px);
}

.is-business nav .content .logo {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--biz-navy);
}

.is-business nav .content ul {
  font-size: 15px;
  font-weight: 600;
}

.is-business nav .content ul li {
  margin: 0 10px;
  font-size: 14px;
  letter-spacing: 0.4px;
}

.is-business .banner .swiper-slide {
  height: calc(100vh - 74px);
}

.is-business .banner .swiper-slide::after {
  background: linear-gradient(100deg, rgba(9, 30, 54, 0.74), rgba(9, 30, 54, 0.35));
}

.is-business .swiper-slide .bannerText {
  left: 8%;
  max-width: 760px;
  padding: 28px 32px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(11, 29, 49, 0.58), rgba(11, 29, 49, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(2px);
}

.is-business .swiper-slide .bannerText h1 {
  width: auto;
  margin-bottom: 14px;
  font-size: clamp(32px, 4.8vw, 56px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
}

.is-business .swiper-slide .bannerText p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.9);
}

.is-business .heroActions {
  display: flex;
  gap: 14px;
  margin-top: 26px;
}

.is-business .heroBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  height: 46px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.is-business .heroBtn.primary {
  background: linear-gradient(135deg, #175d97, #0f4c81);
  color: #fff;
  box-shadow: 0 12px 20px rgba(15, 76, 129, 0.25);
}

.is-business .heroBtn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.is-business .heroBtn:hover {
  transform: translateY(-2px);
}

.is-business .heroStats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
  max-width: 700px;
}

.is-business .heroStat {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
}

.is-business .heroStat strong {
  display: block;
  margin-bottom: 2px;
  font-size: 24px;
  line-height: 1.1;
  color: #fff;
}

.is-business .heroStat span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
}

.is-business .hd h1 {
  color: var(--biz-navy);
  font-size: 34px;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.is-business .hd h1::after {
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--biz-gold), var(--background-color));
  box-shadow: none;
}

.is-business .hd h1 span {
  color: #99a8b6;
  letter-spacing: 1px;
}

.is-business .aboutus {
  padding: 48px 0 56px;
}

.is-business .service {
  padding-bottom: 68px;
}

.is-business .case {
  padding-bottom: 64px;
}

.is-business .aboutus .abHd h1 {
  color: var(--biz-navy);
  font-size: 42px;
}

.is-business .aboutus .adBd {
  padding: 26px 40px 26px 16px;
}

.is-business .aboutus .adBd h1 {
  font-size: 26px;
  color: var(--biz-navy);
}

.is-business .aboutus .adBd p {
  color: var(--text-shallow);
  line-height: 1.9;
}

.is-business .service .seBd .seBdBox {
  width: 360px;
  height: 190px;
  border: 1px solid var(--biz-border);
  border-bottom: 4px solid var(--background-color);
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(16, 24, 32, 0.06);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.is-business .service .seBd .seBdBox:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 34px rgba(16, 24, 32, 0.12);
}

.is-business .service .seBd .seBdBox .seBdBoxText h1 {
  font-size: 24px;
  color: var(--biz-navy);
}

.is-business .service .seBd .seBdBox .seBdBoxText p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-shallow);
}

.is-business .case .caseBd .caseBdBig {
  border-radius: 10px;
  border: 1px solid var(--biz-border);
  box-shadow: 0 8px 24px rgba(16, 24, 32, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.is-business .case .caseBd .caseBdBig .caseVisual {
  background-size: cover;
  background-position: center;
}

.is-business .case .caseBd .caseBdBig .caseVisual-ai {
  background-image:
    linear-gradient(130deg, rgba(7, 24, 46, 0.52), rgba(20, 84, 151, 0.22)),
    url("../images/ca01.png");
}

.is-business .case .caseBd .caseBdBig .caseVisual-edu {
  background-image:
    linear-gradient(130deg, rgba(12, 29, 53, 0.5), rgba(0, 115, 153, 0.26)),
    url("../images/ca02.png");
}

.is-business .case .caseBd .caseBdBig .caseVisual-global {
  background-image:
    linear-gradient(130deg, rgba(12, 31, 64, 0.56), rgba(42, 92, 160, 0.22)),
    url("../images/ca03.png");
}

.is-business .case .caseBd .caseBdBig .caseVisual-media {
  background-image:
    linear-gradient(130deg, rgba(9, 27, 49, 0.52), rgba(1, 130, 147, 0.2)),
    url("../images/ca04.png");
}

.is-business .case .caseBd .caseBdBig .caseVisual-eholly {
  background-image:
    linear-gradient(130deg, rgba(8, 25, 51, 0.58), rgba(15, 98, 169, 0.2)),
    url("../images/yihong.webp");
}

.is-business .case .caseBd .caseBdBig .caseVisual-cmfg {
  background-image:
    linear-gradient(130deg, rgba(11, 29, 56, 0.56), rgba(2, 116, 137, 0.24)),
    url("../images/cmfg.webp");
}

.is-business .case .caseBd .caseBdBig:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(16, 24, 32, 0.14);
}

.is-business .case .caseBd .caseBdBigMask {
  display: block;
  background: linear-gradient(135deg, rgba(9, 31, 57, 0.05), rgba(9, 31, 57, 0.52));
}

.is-business .case .caseBd .caseBdBigMask .caseBdBigMaskText {
  transform: translateX(0);
  width: 82%;
  height: 68%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
}

.is-business .case .caseBd .caseBdBigMask .caseBdBigMaskText h1 {
  font-weight: 600;
  letter-spacing: 0.5px;
}

.is-business .case .caseBd .caseBdBigMask .caseBdBigMaskText p {
  line-height: 1.65;
}

.is-business .member .memberBd {
  justify-content: center;
  gap: 34px;
}

.is-business .member {
  padding-bottom: 72px;
}

.is-business .member .memberBd .memberBdBox {
  border: 1px solid var(--biz-border);
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(16, 24, 32, 0.08);
  margin-bottom: 10px;
  padding-bottom: 22px;
}

.is-business .member .memberBd .memberBdBox h1 {
  font-size: 30px;
  color: var(--biz-navy);
}

.is-business .member .memberBd .memberBdBox p {
  color: var(--text-shallow);
  margin-top: 6px;
  margin-bottom: 10px;
}

.is-business .member .memberBd .memberBdBox:hover {
  transform: translateY(-12px);
}

.is-business .member .memberBd .memberBdBoxMask h2 {
  font-size: 17px;
}

.is-business .member .memberBd .memberBdBoxMask span {
  line-height: 1.8;
}

.is-business .navlist .navlistBd .navlistBdBox {
  border-radius: 10px;
  border: 1px solid var(--biz-border);
  background: #fff;
  box-shadow: 0 8px 22px rgba(10, 23, 39, 0.04);
}

.is-business .chartText h1 {
  font-size: clamp(26px, 3vw, 44px);
  font-weight: 700;
  letter-spacing: 0.6px;
}

.is-business .chartText a {
  border-color: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  font-size: 19px;
}

.is-business footer {
  background: linear-gradient(180deg, #111e2a 0%, #0b1622 100%);
  border-top: 3px solid rgba(198, 156, 86, 0.7);
}

.is-business .FooterSeparate .footrCopyright p,
.is-business .FooterSeparate .footrCopyright a,
.is-business .footer .forHelp dl dd a,
.is-business .footer .forDetails dl dd {
  color: #b8c4cf;
}

.is-business .footer .forHelp dl dt,
.is-business .footer .forDetails dl dt {
  color: #f3f7fb;
  letter-spacing: 0.5px;
}

.is-business .FooterSeparate {
  margin-top: 4px;
}

.is-business .footrCopyright {
  margin-left: 0;
  width: 100%;
}

.is-business .footrCopyright p {
  text-align: center;
  font-size: 15px;
  line-height: 1.8;
}

.is-business .copyright-sub {
  color: #8fa3b5;
  font-size: 14px;
  letter-spacing: 0.4px;
}

.is-business .goBack {
  background: linear-gradient(135deg, #0f4c81, #175d97);
}

.is-business .cooperation-btn button {
  border-radius: 8px;
  background: linear-gradient(135deg, #0f4c81, #175d97);
  box-shadow: 0 10px 22px rgba(15, 76, 129, 0.3);
}

.is-business .modal-content {
  border-radius: 12px;
}

.is-business .form-item input,
.is-business .form-item textarea {
  border-color: #cfd7df;
  border-radius: 8px;
}

.is-business .form-item button {
  border-radius: 8px;
  background: linear-gradient(135deg, #0f4c81, #175d97);
}

@media screen and (max-width: 1100px) {
  .is-business .nav {
    display: none;
  }

  .is-business .banner .swiper-slide {
    height: 100vh;
  }

  .is-business nav .content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
  }

  .is-business nav .content .logo {
    margin: 0;
    font-size: 14px;
    white-space: nowrap;
  }

  .is-business .swiper-slide .bannerText {
    left: 0;
    margin: 0 24px;
    padding: 22px 20px;
  }

  .is-business .heroStats {
    grid-template-columns: 1fr;
    max-width: 320px;
  }

  .is-business .service .seBd .seBdBox {
    width: 100%;
    max-width: 520px;
    height: auto;
    min-height: 188px;
  }

  .is-business .case .caseBd .caseBdBig {
    width: calc(50% - 14px);
    height: 220px;
  }

  .is-business nav .content .nav {
    flex: 1;
    min-width: 0;
    line-height: normal;
  }

  .is-business nav .content .nav ul {
    display: flex;
    flex-direction: row;
    gap: 14px;
    justify-content: flex-end;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .is-business nav .content .nav ul::-webkit-scrollbar {
    display: none;
  }

  .is-business nav .content .nav ul li {
    margin: 0;
    flex: 0 0 auto;
  }

  .is-business nav .content .nav ul li a {
    display: inline-block;
    padding: 0;
    font-size: 14px;
    font-weight: 600;
    color: #1c2b3a;
  }
}

@media screen and (max-width: 768px) {
  .is-business .content {
    padding: 0 14px;
  }

  .is-business nav .content {
    gap: 10px;
  }

  .is-business nav .content .logo {
    font-size: 13px;
  }

  .is-business nav .content .nav ul {
    gap: 10px;
  }

  .is-business nav .content .nav ul li a {
    font-size: 13px;
  }

  .is-business .swiper-slide .bannerText {
    margin: 0 14px;
    max-width: none;
    padding: 18px 16px;
  }

  .is-business .swiper-slide .bannerText h1 {
    font-size: clamp(24px, 7vw, 36px);
    margin-bottom: 10px;
  }

  .is-business .heroStats {
    max-width: none;
    width: 100%;
  }

  .is-business .heroStat strong {
    font-size: 20px;
  }

  .is-business .hd h1 {
    font-size: 28px;
    padding: 28px 0 44px;
  }

  .is-business .service .seBd {
    gap: 12px;
  }

  .is-business .service {
    padding-bottom: 48px;
  }

  .is-business .service .seBd .seBdBox {
    width: 100%;
    max-width: none;
    min-height: 170px;
    padding: 16px;
  }

  .is-business .service .seBd .seBdBox .seBdBoxText h1 {
    font-size: 20px;
  }

  .is-business .service .seBd .seBdBox .seBdBoxText p {
    font-size: 14px;
  }

  .is-business .case .caseBd {
    gap: 12px;
  }

  .is-business .case {
    padding-bottom: 44px;
  }

  .is-business .case .caseBd .caseBdBig {
    width: 100%;
    height: 210px;
    margin: 0;
  }

  .is-business .case .caseBd .caseBdBigMask .caseBdBigMaskText {
    width: 88%;
    height: 74%;
    padding: 14px;
  }

  .is-business .case .caseBd .caseBdBigMask .caseBdBigMaskText h1 {
    font-size: 19px;
    margin-bottom: 8px;
  }

  .is-business .case .caseBd .caseBdBigMask .caseBdBigMaskText p {
    font-size: 14px;
  }

  .is-business .member .memberBd {
    gap: 14px;
  }

  .is-business .member {
    padding-bottom: 52px;
  }

  .is-business .member .memberBd .memberBdBox {
    width: 100%;
    max-width: 360px;
    height: auto;
  }

  .is-business .member .memberBd .memberBdBox img {
    width: 100%;
    height: auto;
  }

  .is-business .member .memberBd .memberBdBoxMask {
    width: 100%;
    height: 100%;
    padding: 18px;
  }

  .is-business .chart img {
    min-height: 120px;
    object-fit: cover;
  }

  .is-business .chartText {
    flex-direction: column;
    gap: 12px;
    padding: 10px;
  }

  .is-business .chartText a {
    margin: 0;
    width: 140px;
    height: 40px;
    line-height: 38px;
    font-size: 16px;
  }

  .is-business .footer {
    padding: 44px 16px 28px;
    gap: 18px;
  }

  .is-business .footer .forHelp {
    width: 100%;
    gap: 8px 18px;
  }

  .is-business .footer .forHelp dl {
    margin-right: 0;
    min-width: 140px;
  }

  .is-business .footer .forDetails {
    width: 100%;
  }
}

@media screen and (max-width: 540px) {
  .is-business .banner .swiper-slide {
    height: 100vh;
  }

  .is-business .swiper-slide .bannerText p {
    font-size: 16px;
  }

  .is-business .heroActions {
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
  }

  .is-business .heroBtn {
    width: 100%;
    max-width: none;
    height: 42px;
    font-size: 14px;
  }

  .is-business .heroStat {
    padding: 12px 14px;
  }

  .is-business .aboutus .abHd h1 {
    font-size: 30px;
    line-height: 96px;
  }

  .is-business .aboutus .adBd {
    padding: 12px 8px 24px;
  }

  .is-business .footrCopyright p {
    font-size: 13px;
  }

  .is-business .service .seBd .seBdBox .seBdBoxText h1 {
    font-size: 21px;
  }

  .is-business .service {
    padding-bottom: 36px;
  }

  .is-business .case .caseBd .caseBdBig {
    height: 196px;
  }

  .is-business .case {
    padding-bottom: 34px;
  }

  .is-business .member .memberBd .memberBdBox h1 {
    font-size: 26px;
  }

  .is-business .member .memberBd .memberBdBox {
    max-width: none;
    padding-bottom: 24px;
  }

  .is-business .member {
    padding-bottom: 40px;
  }

  .is-business .footer .forHelp dl {
    width: 100%;
    min-width: 0;
  }

  .is-business .footer .forDetails dl dt {
    font-size: 20px;
  }

  .is-business .footer .forDetails dl dd {
    line-height: 2;
  }
}