/* 全局基础重置 */

a {
    text-decoration: none;
    color: inherit;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul {
    list-style: none;
}
.section {
    padding: 60px 0;
}
.bg-light {
    background-color: #f5f8ff;
}
.text-center {
    text-align: center;
}
.primary {
    color: #165DFF;
}
.sub-title {
    display: inline-block;
    color: #ffd700;
    font-size: 18px;
    margin-bottom: 10px;
    position: relative;
}
.sub-title::before, .sub-title::after {
    content: "——";
    margin: 0 10px;
    color: #ffd700;
}

/* 主色调定义 */
:root {
    --main-blue: #165DFF;
    --light-blue: #4080FF;
    --dark-blue: #0E42D2;
    --gray-text: #666;
    --dark-bg: #1A1A2E;
}

/* 头部导航 */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    z-index: 999;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: bold;
    color: #222;
}
.logo img {
    height: 40px;
}
.nav {
    display: flex;
    gap: 30px;
}
.nav a {
    color: #555;
    font-size: 16px;
    transition: color 0.3s;
}
.nav a:hover, .nav a.active {
    color: var(--main-blue);
}
.tel {
    color: var(--main-blue);
    font-weight: 500;
}
.mobile-menu {
    display: none;
    font-size: 24px;
    color: #333;
    background: none;
    border: none;
    cursor: pointer;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    color: #666;
    font-size: 14px;
}
.breadcrumb a {
    color: #666;
}
.breadcrumb a:hover {
    color: var(--main-blue);
}

/* Banner 首屏 */
.banner {
    background: linear-gradient(135deg, var(--main-blue), var(--light-blue));
    color: #fff;
    padding: 80px 0;
}
.banner h1 {
    font-size: 36px;
    margin-bottom: 20px;
    line-height: 1.3;
}
.banner p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
}
.banner-btns {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}
.btn {
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}
.btn-white {
    background: #fff;
    color: var(--main-blue);
}
.btn-border {
    background: transparent;
    color: #fff;
    border: 1px solid #fff;
}

/* 行业洞察模块 */
.industry-insight .section-title p {
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}
.insight-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    justify-content: center;
    margin-top: 40px;
}
.insight-card {
    flex: 1;
    min-width: 220px;
    max-width: 260px;
    background: #fff;
    padding: 30px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(22,93,255,0.1);
    text-align: center;
}
.insight-num {
    font-size: 48px;
    font-weight: bold;
    color: #13c2c2;
    margin-bottom: 10px;
}
.insight-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #222;
}
.insight-card p {
    color: #666;
    font-size: 14px;
}

/* 数据展示 */
.data {
    padding: 30px 0;
    background: var(--bg-light);
}
.data-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    text-align: center;
}
.data-item {
    padding: 15px;
}
.data-item .num {
    font-size: 32px;
    font-weight: bold;
    color: var(--main-blue);
    margin-bottom: 5px;
}
.data-item p {
    color: #666;
}

/* 模块标题 */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}
.section-title h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #222;
}
.section-title p {
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

/* 卡片布局 */
.card-box {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    justify-content: center;
}
.card {
    flex: 1;
    min-width: 280px;
    max-width: 360px;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(22,93,255,0.1);
    transition: transform 0.3s;
}
.card:hover {
    transform: translateY(-5px);
}
.card-icon {
    width: 50px;
    height: 50px;
    background: rgba(22,93,255,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--main-blue);
    font-size: 20px;
}
.card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #222;
}
.card p {
    color: #666;
}

/* 为什么做GEO */
.why-geo {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: center;
}
.why-left, .why-right {
    flex: 1;
    min-width: 280px;
}
.compare-box {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(22,93,255,0.1);
}
.compare-item {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}
.compare-item:last-child {
    border-bottom: none;
    color: var(--main-blue);
    font-weight: bold;
}
.tip {
    background: #fff0f0;
    color: #ff4d4f;
    padding: 15px;
    border-radius: 6px;
    margin-top: 15px;
}
.step-item {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(22,93,255,0.1);
    display: flex;
    align-items: flex-start;
    gap: 15px;
}
.step-num {
    width: 30px;
    height: 30px;
    background: rgba(22,93,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--main-blue);
    font-weight: bold;
    flex-shrink: 0;
}

/* AI平台展示 */
.platform-group {
    margin-bottom: 40px;
}
.platform-group h3 {
    text-align: center;
    font-size: 22px;
    margin-bottom: 25px;
    color: #222;
}
.platform-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}
.platform-item {
    padding: 15px 25px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(22,93,255,0.1);
    min-width: 120px;
    text-align: center;
    transition: transform 0.3s;
}
.platform-item:hover {
    transform: scale(1.05);
}

/* 服务方案模块 */
.service-plan {
    background: var(--dark-bg);
    color: #fff;
}
.service-plan .section-title h2,
.service-plan .section-title p {
    color: #fff;
}
.plan-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}
.plan-card {
    flex: 1;
    min-width: 200px;
    max-width: 220px;
    background: rgba(255,255,255,0.05);
    padding: 30px 20px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
    position: relative;
}
.plan-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
}
.plan-step {
    font-size: 48px;
    font-weight: bold;
    color: rgba(255,255,255,0.1);
    margin-bottom: 15px;
}
.plan-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #fff;
}
.plan-card p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.8;
}
.plan-arrow {
    position: absolute;
    right: 15px;
    bottom: 20px;
    color: #13c2c2;
    font-size: 20px;
}

/* 底部 */
.footer {
    background: #f5f8ff;
    padding: 30px 0;
    text-align: center;
    color: #666;
    margin-top: 30px;
}
.construction-information {
  padding: 40px 0;
  background-image: url("../images/websiteBuilding/information-bg.jpg");
  background-size: cover;
  background-color: #f6f6f6;
}
.construction-information .content {
}
.construction-information .content .information-list {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
}
.construction-information .content .information-list .information-item {
  cursor: pointer;
  margin: 0 20px 24px 0;
  width: calc((100% - 40px) / 3);
  background: #ffffff;
  transition: background-color 1s ease;
  box-shadow: 0px 6px 12px 0px rgba(30, 47, 94, 0.12);
}
.construction-information .content .information-list .information-item:hover {
  background: #2b6df2;
  box-shadow: 0px 6px 12px 0px rgba(30, 47, 94, 0.12);
}
.construction-information
  .content
  .information-list
  .information-item:hover
  a
  .tit {
  color: #ffffff;
}
.construction-information
  .content
  .information-list
  .information-item:hover
  a
  .desc {
  color: #ffffff;
}
.construction-information
  .content
  .information-list
  .information-item:hover
  a
  .ellipses-list
  span {
  background: #ffffff;
}

.construction-information
  .content
  .information-list
  .information-item:nth-child(3n) {
  margin-right: 0;
}
.construction-information .content .information-list .information-item a {
  display: block;
  width: 100%;
  padding: 20px 30px;
}
.construction-information .content .information-list .information-item a .tit {
  font-weight: 400;
  font-size: 16px;
  color: #222222;
  line-height: 26px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.construction-information .content .information-list .information-item a .desc {
  font-weight: 400;
  font-size: 14px;
  color: #666666;
  line-height: 22px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.construction-information
  .content
  .information-list
  .information-item
  a
  .ellipses-list {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: 25px;
}
.construction-information
  .content
  .information-list
  .information-item
  a
  .ellipses-list
  span {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: #666666;
  border-radius: 50%;
  margin-right: 4px;
}
.construction-information
  .content
  .information-list
  .information-item
  a
  .ellipses-list
  span:last-child {
  margin-right: 0;
}
.construction-information .content .more-box {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin: 20px auto;
  padding: 16px 60px;
  width: fit-content;
  background: linear-gradient(90deg, #79a4fb, #2b6df2);
}
.construction-information .content .more-box a {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
}
.construction-information .content .more-box a .icon {
  width: 40px;
}
.construction-information .content .more-box a .txt {
  margin: 0 30px 0 20px;
  font-weight: bold;
  font-size: 20px;
  color: #ffffff;
}

/* 响应式适配 手机端 */
@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.05);
    }
    .nav.show {
        display: flex;
    }
    .mobile-menu {
        display: block;
    }
    .banner {
        padding: 50px 0;
        text-align: center;
    }
    .banner h1 {
        font-size: 26px;
    }
    .banner p {
        font-size: 16px;
        margin: 0 auto 20px;
    }
    .banner-btns {
        justify-content: center;
    }
    .section {
        padding: 40px 0;
    }
    .section-title h2 {
        font-size: 24px;
    }
    .data-item .num {
        font-size: 24px;
    }
    .tel {
        display: none;
    }
    .insight-num {
        font-size: 36px;
    }
    .plan-grid {
        flex-direction: column;
        align-items: center;
    }
    .plan-card {
        max-width: 100%;
    }
    .plan-arrow {
        display: none;
    }
}