/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "pingfang SC", "helvetica neue", arial, "hiragino sans gb",
    "microsoft yahei ui", "microsoft yahei", simsun, "source han sans sc",
    "noto sans cjk sc", "harmonyos sans", "harmonyos sans sc", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1d2129;
  background-color: #ffffff;
}

/* 容器 */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 按钮样式 */
.btn-primary {
  background-color: #165dff;
  color: #ffffff;
  border: none;
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color 0.3s ease,
    box-shadow 0.3s ease;

  background-image:
    linear-gradient(109deg, #478aff 12%, #6243ff 100%),
    linear-gradient(98deg, #165dff 0%, #7516ff 100%);
  border-radius: 27px;
}

.btn-primary:hover {
  background-color: #0f4cd0;
  box-shadow: 0 4px 15px rgba(22, 95, 255, 0.3);
}

.btn-primary.btn-large {
  padding: 14px 32px;
  font-size: 16px;
}

.btn-primary.btn-cta {
  padding: 16px 40px;
  font-size: 18px;
  font-weight: 600;
  box-shadow: 0 8px 25px rgba(22, 95, 255, 0.15);
}

.btn-secondary {
  background-color: #ffffff;
  color: #165dff;
  border: 1px solid #165dff;
  padding: 14px 32px;
  border-radius: 25px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background-color: #e8f0ff;
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #f0f0f0;
  padding: 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  max-width: 1400px;
}

.navbar-brand {
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
}

.brand-primary {
  color: #101010;
}

.brand-secondary {
  color: #2073ff;
}

.navbar-links {
  display: none;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .navbar-links {
    display: flex;
  }

  .nav-link {
    text-decoration: none;
    color: #4e5969;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
  }

  .nav-link:hover {
    color: #165dff;
  }
}

.navbar .btn-primary {
  padding: 8px 20px;
  font-size: 14px;
  border-radius: 50px;
  background: linear-gradient(109deg, #478aff 12%, #6243ff 100%);
}

/* 英雄区 */
.hero {
  position: relative;
}

.hero-bg {
  display: block;
  width: 100%;
  height: auto;
}

.hero .container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
  padding: 90px 20px 80px;
}

.hero-content {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  width: 100%;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-text {
  text-align: left;
  flex: 1 1 100%;
  min-width: 0;
}

.hero-text h1 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.text-dark {
  color: #1d2129;
}

.text-primary {
  background: linear-gradient(90deg, #d946ef, #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 13px;
  color: #646a73;
  margin-bottom: 16px;
  line-height: 1.5;
}

.hero-buttons {
  display: flex;
  flex-direction: row;
  gap: 10px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.hero-buttons .btn-primary.btn-large,
.hero-buttons .btn-secondary.btn-large {
  flex: 1 1 auto;
  min-width: 0;
  padding: 10px 16px;
  font-size: 13px;
  border-radius: 50px;
  white-space: nowrap;
  text-align: center;
}

.btn-primary.btn-large {
  background: linear-gradient(109deg, #478aff 12%, #6243ff 100%);
  box-shadow: 0 4px 15px rgba(98, 67, 255, 0.3);
  transition: all 0.3s ease;
}

.btn-primary.btn-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(98, 67, 255, 0.4);
}

.btn-secondary.btn-large {
  background: #ffffff;
  color: #165dff;
  border: 1px solid #d0d5e0;
  transition: all 0.3s ease;
}

.btn-secondary.btn-large:hover {
  border-color: #165dff;
  background: #f8f9ff;
}

.hero-image {
  display: none;
}

@media (min-width: 768px) {
  .hero .container {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .hero-content {
    flex-direction: row;
    align-items: center;
    gap: 40px;
    flex-wrap: nowrap;
  }

  .hero-text {
    flex: 1 1 auto;
  }

  .hero-text h1 {
    font-size: 48px;
    line-height: 1.2;
  }

  .hero-desc {
    font-size: 17px;
    margin-bottom: 28px;
  }

  .hero-buttons {
    flex-direction: row;
    width: auto;
    flex-wrap: nowrap;
  }

  .hero-buttons .btn-primary.btn-large,
  .hero-buttons .btn-secondary.btn-large {
    flex: 0 0 auto;
    padding: 12px 28px;
    font-size: 15px;
  }

  .hero-image {
    display: block;
    flex: 1 1 auto;
    max-width: 50%;
  }
}

@media (min-width: 1200px) {
  .hero .container {
    padding-top: 80px;
  }

  .hero-text h1 {
    font-size: 52px;
  }
}

/* 通用区块样式 */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  /*  font-size: 32px;
  font-weight: 700;
  color: #1D2129;
  margin-bottom: 16px;*/
  /* font-family: PingFangSC-Semibold; */

  font-size: 40px;
  color: #101010;
  letter-spacing: 0;
  font-weight: 600;
}

.section-header p {
  /*font-size: 16px;
  color: #666;
   margin: 0 auto;*/
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #666666;
  letter-spacing: 0;
  font-weight: 400;
}

.section-divider {
  width: 64px;
  height: 4px;
  background-color: #165dff;
  margin: 20px auto 0;
}

/* 什么是GEO */
.section-what {
  padding: 60px 0;
}

@media (min-width: 768px) {
  .section-what {
    padding: 100px 0;
  }
}

.what-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 768px) {
  .what-content {
    flex-direction: row;
    align-items: center;
    gap: 40px;
  }
}

.what-left {
  flex: 1.2;
}

.what-right {
  flex: 1;
}

.what-image {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.what-card {
  background-color: #ffffff;
  /* border-radius: 12px; */
  /* padding: 24px; */
  /* box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1); */
  margin-bottom: 32px;
  /* transition: transform 0.3s ease, box-shadow 0.3s ease; */
}
.what-card h3 {
  font-family: PingFangSC-Semibold;
  font-size: 30px;
  color: #101010;
  letter-spacing: 0;
  line-height: 42px;
  font-weight: 600;
}
.what-card h3 span {
  color: #2073ff;
}
.what-card p {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #333333;
  letter-spacing: 0;
  line-height: 26px;
  font-weight: 400;
}

.what-card-inner {
  display: flex;
  gap: 16px;
}

.what-card-content {
  flex: 1;
}

.what-card-content h3 {
  font-size: 30px;
  font-weight: 600;
  color: #1d2129;
  margin-bottom: 8px;
}

.what-card-content p {
  font-size: 14px;
  color: #646a73;
  line-height: 1.6;
}

.what-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .what-features {
    grid-template-columns: 1fr 1fr;
  }
}

.feature-item {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 12px 12px 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid #e5e6eb;
  transition: all 0.3s ease;
  position: relative;
}

.feature-item:hover {
  border-color: #165dff;
  box-shadow: 0 2px 8px rgba(22, 95, 255, 0.08);
}
.feature-item .feature-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background-color: #07c160;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  position: absolute;
  top: 17px;
  left: 16px;
}

.feature-icon svg {
  width: 12px;
  height: 12px;
}

.feature-title {
  font-size: 15px;
  font-weight: 600;
  color: #1d2129;
  margin-bottom: 6px;
  font-family: PingFangSC-Semibold;
  font-size: 18px;
  color: #101010;
  letter-spacing: 0;
  font-weight: 600;
  padding-left: 32px;
}

.feature-desc {
  font-size: 14px;
  color: #666666;
}

/* 为什么要做GEO */
.section-why {
  padding: 40px 0;
  /* background-color: #F5F7FA; */
  background: url(../assets/bg-plate-20.png) no-repeat center top;
  background-size: cover;
}

@media (min-width: 768px) {
  .section-why {
    padding: 80px 0;
  }
}

.why-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .why-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card {
  background-color: #ffffff85;
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.why-card-tag {
  display: block;
  font-size: 20px;
  color: #101010;
  margin-bottom: 10px;
}

.why-card-number {
  font-size: 50px;
  font-weight: 800;
  color: #2073ff;
  margin-bottom: 20px;
  line-height: 1;

  font-family: MicrosoftYaHei-Bold;
  letter-spacing: 0;
  font-weight: 700;
}

.why-card-desc {
  margin-bottom: 24px;
  font-size: 16px;
  color: #666666;
  letter-spacing: 0;
  line-height: 24px;
  font-weight: 400;
}

.why-card-pain {
  padding: 10px 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: #fff7f7;
  border: 1px solid #fadfdf;
  font-size: 13px;
  color: #e31919;
}

/* 核心卖点 */
.section-features {
  padding: 60px 0;
}

@media (min-width: 768px) {
  .section-features {
    padding: 100px 0;
  }
}

.feature-card {
  border-radius: 16px;
  padding: 32px 32px 32px 60px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
}

.feature-card:nth-child(2) {
  background: linear-gradient(135deg, #e8f3ff 0%, #ffffff 100%);
}

.feature-card:nth-child(3) {
  background: linear-gradient(135deg, #f9f0ff 0%, #ffffff 100%);
}

@media (min-width: 768px) {
  .feature-card {
    flex-direction: row;
    gap: 40px;
  }

  .feature-card-reverse {
    flex-direction: row-reverse;
  }

  .feature-card-content {
    flex: 1;
  }

  .feature-card-image {
    flex: 1;
  }
}

.feature-tags {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.tag {
  font-size: 14px;
  font-weight: 400;
  padding: 6px 16px;
  border-radius: 18px;
}

.feature-card:nth-child(2) .tag {
  color: #ffffff;
  /*
  background: #2073FF; */

  background: #6798ea;
  border-radius: 18px;
}

.feature-card:nth-child(3) .tag {
  background-color: #b68ad3;
  color: #ffffff;
}

.feature-card-content h3 {
  font-size: 34px;
  font-weight: 500;
  color: #101010;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}
.feature-list li strong {
  color: #333;
}

.list-icon {
  width: 18px;
  height: 18px;
  background-color: #07c160;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

.feature-card-image img {
  width: 100%;
}

/* 全流程服务 */
.section-service {
  padding: 60px 0;
  /* background: linear-gradient(135deg, #E8F3FF 0%, #FFFFFF 100%); */
  background-image: linear-gradient(180deg, #f9f5f8 0%, #f0f0fc 48%);
}

@media (min-width: 768px) {
  .section-service {
    padding: 100px 0;
  }
}

.service-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .service-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.service-card {
  background-color: #ffffff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #e5e6eb;
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: #165dff;
  box-shadow: 0 4px 20px rgba(22, 95, 255, 0.08);
}

.service-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 12px;
}

.service-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background-color: #e8f3ff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #165dff;
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card-title {
  flex: 1;
}

.service-tag {
  font-size: 16px;
  color: #2073ff;
  display: inline-block;
  margin-bottom: 12px;
  background: #ecf3ff;
  border-radius: 18px;
  padding: 5px 15px;
}

.service-card-title h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1d2129;
  line-height: 1.4;
  color: #165dff;
  margin-bottom: 8px;
}

.service-card h3 {
  font-size: 24px;
  color: #101010;
}

.service-card p {
  font-size: 16px;
  color: #666666;
  line-height: 1.6;
}

/* 客户成功案例 */
.section-cases {
  padding: 60px 0;
}

@media (min-width: 768px) {
  .section-cases {
    padding: 100px 0;
  }
}

.cases-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .cases-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-card {
  overflow: hidden;
  background: #ffffff;
  background-image: linear-gradient(174deg, #ecf5ff 0%, #ffffff 61%);
  border: 0.5px solid #dddddd;
  border-radius: 24px;
  padding: 15px;
}

.case-image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 10px;
}

.case-content {
  padding: 20px 5px;
}

.case-tag {
  display: inline-block;
  font-size: 16px;
  color: #2073ff;
  letter-spacing: 0;
  font-weight: 400;
  padding: 4px 12px;
  margin-right: 8px;
  margin-bottom: 15px;

  background: #ecf3ff;
  border: 1px solid #e7eaed;
  border-radius: 18px;
}

.case-content h3 {
  font-weight: 600;
  font-size: 24px;
  color: #101010;
  margin-bottom: 12px;
}

.case-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-list li {
  font-size: 16px;
  color: #666666;
  display: flex;
  align-items: center;
  gap: 8px;
}

.arrow {
  width: 16px;
  height: 16px;
  background-color: #07c160;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 全AI平台覆盖 */
.section-platform {
  padding: 60px 0;
  /* background: linear-gradient(135deg, #E8F3FF 0%, #FFFFFF 100%); */
  background: url(../assets/bg-plate-30.png) no-repeat center top;
  background-size: cover;
}

@media (min-width: 768px) {
  .section-platform {
    padding: 100px 0;
  }
}
.section-platform .container {
  text-align: center;
}

.platform-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.platform-item {
  /* padding: 24px 28px;  */
  text-align: center;
  border: 1px solid #e5e6eb;
  transition: all 0.3s ease;

  background: rgba(255, 255, 255, 0.5);
  border: 0.5px solid #ffffff;
  border-radius: 24px;
  width: 108px;
  height: 108px;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.platform-icon {
  font-size: 36px;
  margin-top: 10px;
}

.platform-item span {
  font-size: 13px;
  color: #4e5969;
  font-weight: 500;
}

.platform-highlight {
  display: inline-block;
  padding: 8px 40px;
  border-radius: 30px;
  margin: 0 auto;
  text-align: center;

  background: rgba(255, 255, 255, 0.7);
  border: 1px solid #ffffff;
  border-radius: 27px;
  max-width: 622px;
  width: 100%;
}

@media (min-width: 768px) {
  .platform-highlight {
    width: 622px;
    max-width: none;
  }
}

.platform-highlight p {
  font-size: 16px;
  color: #2073ff;
  letter-spacing: 0;
  font-weight: 600;
}

@media (min-width: 768px) {
  .platform-highlight p {
    font-size: 24px;
  }
}

/* 行动召唤 */
.section-cta {
  padding: 60px 0;
  text-align: center;
  background: url(../assets/bg-plate-10.png) no-repeat center top;
  background-size: cover;
}

@media (min-width: 768px) {
  .section-cta {
    padding: 100px 0;
  }
}

.section-cta h2 {
  font-size: 28px;
  font-weight: 700;
  color: #1d2129;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .section-cta h2 {
    font-size: 36px;
  }
}

.section-cta p {
  font-size: 16px;
  color: #646a73;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 页脚 */
.footer {
  padding: 40px 0;
  background: linear-gradient(135deg, #e8f3ff 0%, #ffffff 100%);
  border-top: 1px solid #f0f0f0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-brand {
  text-align: left;
}

.footer-brand span {
  font-size: 20px;
  font-weight: 700;
}

.footer-brand p {
  margin-top: 8px;
  font-size: 16px;
  color: #666666;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-link {
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 16px;
  color: #101010;
}

.footer-link:hover {
  color: #165dff;
}

.footer-copyright {
  border-top: 1px solid #e5e6eb;
  padding-top: 24px;
  text-align: center;
}

.footer-copyright p {
  font-size: 16px;
  color: #999999;
}

/* 弹窗 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.hidden {
  display: none;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background-color: #ffffff;
  width: 100%;
  max-width: 440px;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  color: #8f959e;
  cursor: pointer;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: #1d2129;
}

.modal-header h3 {
  font-size: 24px;
  font-weight: 700;
  color: #165dff;
  text-align: center;
  margin-bottom: 24px;
}

.qrcode-section {
  text-align: center;
  margin-bottom: 24px;
}

.qrcode {
  width: 192px;
  height: 192px;
  border-radius: 12px;
  border: 1px solid #e5e6eb;
  margin-bottom: 12px;
}

.qrcode-section p {
  font-size: 14px;
  color: #646a73;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: #4e5969;
}

.contact-icon {
  font-size: 16px;
}