body {
  margin: 0;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
  background: #f7faff;
  color: #222;
}
.container, .hero-content, .footer-main {
  width: 1100px;
  max-width: 95vw;
  margin: 0 auto;
}
.navbar {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  padding: 0 0;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 70px;
  padding-left: 110px;
  position: relative;
}
.logo {
  font-size: 1.6rem;
  font-weight: bold;
  color: #222;
  margin-right: 54px;
}
.logo img, .login-logo img, .register-logo img {
  height: 48px;
  width: auto;
  max-width: 180px;
  display: block;
  margin: 0 auto;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 64px;
  margin: 0;
  padding: 0;
}
nav a {
  text-decoration: none;
  color: #696969 !important;
  font-size: 1rem;
  font-weight: 400;
  transition: color 0.2s;
}
nav a:visited { color: #696969 !important; }
/* 确保访问过的链接在悬浮时也呈现为黑色加粗 */
nav a:visited:hover { color: #000000 !important; font-weight: 700 !important; }
nav a:hover { color: #000000 !important; font-weight: 700 !important; }
nav a:active { color: #000000 !important; }
nav a.active { color: #000000 !important; font-weight: 700 !important; }
.nav-auth {
  position: absolute;
  right: 200px;
  top: 50%;
  transform: translateY(-50%);
  margin-right: 0;
}
.nav-auth a {
  color: #222;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: 20px;
  padding: 6px 18px;
  transition: background 0.2s, color 0.2s;
}
.nav-auth a:hover {
  color: #4F0DD2;
  background: none;
}
.hero {
  position: relative;
  min-height: 420px;
  height: 525px;
  background: url('../images/indexbanner.png') center center/cover no-repeat;
  background-size: cover;
  background-position: center center;
  padding: 0;
  /* 移除 flex 布局，内容区宽度由 .container 控制 */
}
.hero-content {
  min-width: 1000px;
  height: 100%;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  /* 移除 margin-left: 50px; */
}
.hero-text {
  flex: 1.1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  z-index: 2;
  padding-left: 32px;
  max-width: 1100px;
  box-sizing: border-box;
  overflow-wrap: break-word;
  margin-left: 60px;
  margin-top: -50px;
}
.hero-text h1 {
  font-size: 31px;
  font-weight: 500;
  color: #222;
  margin-bottom: 18px;
  letter-spacing: 2px;
}
.hero-text h2 {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 2px;
  color: #222;
  margin-bottom: 18px;
}
.hero-text p {
  font-size: 18px;
  color: #444;
  margin-bottom: 32px;
  line-height: 1.9;
}
.btn-primary {
  background: #6143E3 !important;
  color: #fff !important;
  font-size: 1.18rem;
  font-weight: 600;
  padding: 0;
  border-radius: 0;
  border: 1px solid #6143E3;
  box-shadow: none;
  letter-spacing: 2px;
  text-align: center;
  width: 200px;
  height: 50px;
  line-height: 50px;
  min-width: unset;
  max-width: unset;
  display: inline-block;
  text-decoration: none !important;
}
.btn-primary:hover {
  background: #4F0DD2 !important;
  color: #fff !important;
}
.hero-image {
  flex: 1;
  min-width: 420px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  z-index: 1;
}
.hero-image img {
  width: 350px;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(90,108,243,0.10);
}
.intro {
  position: relative;
  padding: 32px 0 24px 0;
  background: #fff;
  overflow: visible;
}
.intro-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 220px;
  overflow: visible;
}
.intro-stats {
  position: relative;
  left: calc(-50vw + 50%);
  width: 700px;
  min-width: 320px;
  height: 220px;
  border-radius: 0 20px 20px 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: 0 2px 12px rgba(90,108,243,0.06);
  background: linear-gradient(90deg, #6143E3 0%, #7A53EA 100%);
  color: #fff;
  text-align: center;
  gap: 16px;
}
.intro-stats .stat-num {
  font-size: 2.8rem;
  font-weight: bold;
  line-height: 1.1;
  margin-bottom: 0;
}
.intro-stats .stat-label {
  font-size: 1rem;
  margin-bottom: 8px;
  color: #e0d8fa;
}
.intro-desc {
  position: relative;
  z-index: 2;
  margin-left: 0;
  border-radius: 0 12px 12px 0;
  width: 729px;
  padding: 32px;
  box-sizing: border-box;
  background: rgba(255,255,255,0.7);
  box-shadow: 0 2px 12px rgba(90,108,243,0.06);
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.intro-desc h2 {
  margin: 0 0 10px 0;
  font-size: 1.6rem;
  font-weight: 700;
  color: #222;
}
.intro-desc p {
  color: #555;
  font-size: 16px !important;
  margin: 0;
}
.intro-subtitle {
  font-size: 28px;
  font-weight: 700;
  color: #222;
  margin: 2px 0 12px 0;
  text-align: left;
  line-height: 1.4;
}
.services {
  background: #f7faff;
  padding: 32px 0 24px 0;
}
.services h2 {
  text-align: center;
  font-weight: 700;
  margin-bottom: 8px;
}
.services p {
  text-align: center;
  color: #555;
  margin-bottom: 18px;
}
.service-cards {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: flex-start;
  margin-top: 32px;
  width: 100%;
}
.service-card {
  position: relative;
  background: none;
  border: none !important;
  border-radius: 16px;
  box-shadow: none;
  width: 295px;
  height: 452px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  transition: box-shadow 0.2s;
  overflow: hidden;
  padding: 0;
}
.service-card .card-content {
  width: 100%;
  margin-top: calc(33% + 100px);
  position: relative;
  height: calc(100% - 80px); /* 预留按钮高度 */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding-left: 71px;
}
.service-card h3, .service-card ul {
  text-align: left;
  margin-left: 0;
}
/* 清理所有重复的 .service-card .btn-secondary，只保留如下内容 */
.service-card .btn-secondary {
  background: #6143E3 !important;
  color: #fff !important;
  border-radius: 0 !important;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 47px;
  width: 160px !important;
  height: 20px;
  line-height: 20px;
  margin: 0;
  text-decoration: none !important;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: unset;
  max-width: unset;
}
 .service-card .btn-secondary:hover {
   background: #4F0DD2 !important;
   color: #fff !important;
 }

/* 删除所有非 .service-card .btn-secondary 的 width 百分比设置 */
.btn-secondary {
  width: unset !important;
}

.service-card.card-gg {
  background: url('../images/01guanggao.png') center center no-repeat;
  background-size: cover;
}
.service-card.card-cj {
  background: url('../images/02changjing.png') center center no-repeat;
  background-size: cover;
}
.service-card.card-mt {
  background: url('../images/03meiti.png') center center no-repeat;
  background-size: cover;
}
.service-card:hover {
  box-shadow: 0 8px 32px rgba(90,108,243,0.16);
}
.service-card img {
  width: 180px;
  height: 120px;
  object-fit: contain;
  margin-top: 32px;
  margin-bottom: 18px;
}
.service-card h3 {
  font-size: 23px;
  font-weight: 700;
  margin: 0 0 10px 0;
  color: #222;
}
.service-card h3 .card-num {
  font-size: 30px;
  font-weight: 700;
  color: #222;
  margin-right: 6px;
}
.service-card ul {
  list-style: disc inside;
  color: #444;
  text-align: left;
  margin: 0 0 24px 0;
  padding: 0;
  font-size: 1.05rem;
  list-style-position: inside;
}
.service-card ul li {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.6;
}
.service-card .btn-secondary {
  background: #6143E3;
  color: #fff;
  border-radius: 24px;
  font-size: 1.08rem;
  font-weight: 500;
  padding: 10px 0;
  width: 70%;
  margin: 0 auto;
  margin-top: 12px;
  box-shadow: 0 2px 8px rgba(90,108,243,0.08);
  transition: background 0.2s;
  display: block;
  text-align: center;
}
.service-card .btn-secondary:hover {
  background: #4F0DD2;
}
.process {
  background: url('../images/suojubg.png') center center/cover no-repeat;
  padding: 32px 0 24px 0;
}
.process h2, .process p, .partners h2, .partners p {
  text-align: center;
}
.process-steps {
  background: url('../images/sujujulian.png') center center/cover no-repeat;
  width: 999.5px;
  height: 415px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
}
.process-steps-row {
  display: flex;
  flex-direction: row;
  gap: 20px;
  width: 100%;
  justify-content: center;
  align-items: flex-start;
  margin-top: 80px;
}
.process-steps .btn-primary {
  margin-top: 100px;
  width: 230px;
  height: 47px;
  line-height: 47px;
  min-width: unset;
  max-width: unset;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #6143E3 !important;
  color: #fff !important;
  text-decoration: none !important;
  border-radius: 8px !important;
  border: none;
  font-size: 18px;
  font-weight: 500;
  box-shadow: none;
  padding: 0;
}
 .process-steps .btn-primary:hover {
   background: #4F0DD2 !important;
   color: #fff !important;
 }
.step {
  box-sizing: border-box;
  background: #fff;
  border-radius: 14px;
  width: 211px;
  height: 145px;
  box-shadow: 0 4px 24px rgba(90,108,243,0.10);
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  padding: 20px;
}
.step h4 {
  margin: 0 0 8px 0;
  color: #222;
  font-size: 20px;
  font-weight: 500;
  text-align: left;
  position: relative;
}
.step h4::after {
  content: '';
  display: block;
  width: 29px;
  height: 5px;
  background: #6143E3;
  border-radius: 3px;
  margin-top: 10px;
  margin-bottom: 6px;
}
.step p {
  color: #222;
  font-size: 12px !important;
  line-height: 1.7;
  margin: 0;
  text-align: left;
}
.partners {
  background: #fff;
  padding: 32px 0 60px 0;
}
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  align-items: center;
  background: none !important;
  box-shadow: none;
  border: none;
  padding: 0;
}
.partner-logos img {
  background: none !important;
  box-shadow: none;
  border: none;
  padding: 0;
}
.footer {
  min-height: 140px;
  background: #efefef;
  color: #444;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 0;
  border-bottom: 4px solid #6143E3;
}
.footer-main {
  width: 1100px;
  max-width: 95vw;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  gap: 80px;
  overflow: hidden;
  padding: 0 20px; /* 内部左右间距增加 20px */
  box-sizing: border-box;
}
.footer-list {
  display: flex;
  flex-direction: row;
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-list:first-child {
  font-weight: bold;
}
.footer-col-left {
  text-align: left;
  min-width: 0;
  flex: 1 1 0;
  word-break: break-all;
  overflow-wrap: break-word;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 8px;
}
.footer-col-left div {
  display: flex;
  flex-direction: row;
  gap: 32px;
}
.footer-col-right {
  text-align: left;
  min-width: 0;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  margin-left: 0;
}
.footer-col-right div:first-child {
  margin-bottom: 18px;
}
.footer-links {
  display: flex;
  flex-direction: row;
  gap: 40px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-weight: bold;
  justify-content: center;
  align-items: center;
}
.footer-col-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-width: 0;
}
.footer-col-left, .footer-col-right {
  word-break: break-all;
  overflow-wrap: break-word;
  min-width: 0;
  max-width: 100%;
  flex-basis: auto;
  flex-shrink: 0;
}
.footer-col-left {
  text-align: left;
  min-width: 0;
  flex: 0 0 auto;
  white-space: nowrap;
  word-break: break-all;
  overflow-wrap: break-word;
  max-width: 100%;
}
.footer-main .footer-col { flex: 0 0 auto; }
.footer-company {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
  color: #222;
}
/* 页脚两侧列内部左右间距 +20px */
.footer-col-left, .footer-col-right {
  padding: 0 20px;
  box-sizing: border-box;
}
.footer-col-center {
  padding: 0 20px;
  box-sizing: border-box;
  flex: 0 0 auto;
}
.footer-sub-links {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 8px;
}
.footer-links-sub {
  display: flex;
  flex-direction: row;
  gap: 40px;
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: center;
  align-items: center;
}
.container h2 {
  font-size: 31px;
  font-weight: 700;
}
.container p {
  font-size: 19px;
} 
.hero-text .btn-primary {
  margin-top: 30px;
} 
.section-title {
  text-align: center;
  font-size: 31px;
  font-weight: 700;
  margin: 48px 0 32px 0;
  letter-spacing: 2px;
} 
.culture-images {
  position: relative;
  width: 1100px;
  height: 340px;
  margin: 40px auto 0 auto;
}
.culture-img-left {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 320px;
}
.culture-img-top {
  width: 416px;
  height: 230px;
  display: block;
  margin: 0;
  padding: 0;
}
.culture-img-bottom {
  width: 416px;
  height: 230px;
  display: block;
  margin: 0;
  padding: 0;
} 
.culture-images.culture-pin {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin: 40px auto 0 auto;
}
.culture-row {
  display: flex;
  justify-content: center;
  gap: 24px;
}
.culture-row img {
  height: 140px;
  width: auto;
  display: block;
}
.culture-row:first-child img {
  height: 120px;
  width: auto;
  display: block;
}
.culture-row:last-child img {
  height: 160px;
  width: auto;
  display: block;
} 
.culture-images.culture-side {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 0;
  margin: 40px auto 0 auto;
}
.culture-col-left {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: center;
  cursor: pointer;
}
.culture-col-left img {
  height: 456px;
  width: 316px;
  display: block;
  transition: opacity 300ms;
  position: relative;
  z-index: 1;
}
.culture-col-left .kaleft-hover {
  position: absolute;
  left: 0;
  top: 0;
  width: 316px;
  height: 456px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms;
  z-index: 2;
}
.culture-col-left:hover .kaleft-hover {
  opacity: 1;
}
.culture-col-left:hover img:not(.kaleft-hover) {
  opacity: 0;
}
.culture-col-right {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  height: 456px;
  gap: 0;
}
.culture-img-wrap {
  position: relative;
  width: 416px;
  height: 228px;
  cursor: pointer;
}
.culture-img-top,
.culture-img-bottom {
  width: 416px !important;
  height: 228px !important;
  object-fit: cover;
  display: block;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
  transition: opacity 300ms;
}
.culture-img-top-hover,
.culture-img-bottom-hover {
  position: absolute;
  left: 0;
  top: 0;
  width: 416px;
  height: 228px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms;
  z-index: 2;
}
.culture-img-wrap:hover .culture-img-top-hover,
.culture-img-wrap:hover .culture-img-bottom-hover {
  opacity: 1;
}
.culture-img-wrap:hover .culture-img-top:not(.culture-img-top-hover),
.culture-img-wrap:hover .culture-img-bottom:not(.culture-img-bottom-hover) {
  opacity: 0;
} 
.lx-images {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  margin: 48px auto 0 auto;
  position: relative;
  width: 1100px;
  gap: 0;
}
.lx-images img {
  width: 200px;
  height: 330px;
  box-shadow: 0 2px 8px rgba(90,108,243,0.08);
  border-radius: 12px;
  background: #fff;
  position: relative;
  margin-left: -10px;
  transition: box-shadow 0.2s, z-index 0s;
}
.lx-images img:first-child {
  margin-left: 0;
}
.lx-images img:nth-child(1) { z-index: 5; }
.lx-images img:nth-child(2) { z-index: 4; }
.lx-images img:nth-child(3) { z-index: 3; }
.lx-images img:nth-child(4) { z-index: 2; }
.lx-images img:nth-child(5) { z-index: 1; }
.lx-images img:hover {
  z-index: 10;
  box-shadow: 0 8px 24px rgba(90,108,243,0.18);
}