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

body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #333;
  overflow-x: hidden;
}
.qrcode{
  position: fixed;
  right: 20px;
  bottom : 20px;
  width: 320px;
  height: 230px;
}
.qrcode img{
  width: 100%;
  height: 100%;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-align: center;
  color: #333;
}

.section-description {
  font-size: 1.1rem;
  color: #666;
  text-align: center;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* 导航栏样式 */
.header {
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-image {
  height: 40px;
  width: auto;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin-left: 40px;
  width: 150px;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-size: 1rem;
  transition: color 0.3s;
}

.nav-link:hover {
  color: #ff6b00;
}

.header-actions {
  display: flex;
  gap: 10px;
}

.login-btn,
.register-btn {
  min-width: 80px;
}

/* 英雄区域样式 */
.hero {
  background-color: #fbe8ca;
  background-image: url("../images/banner_bg.png");
  background-size: cover;
  background-position: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #ff4f00;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 40px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  color: #333;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.primary-btn,
.secondary-btn,
.cta-btn {
  min-width: 150px;
  height: 50px;
  font-size: 1.1rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-weight: 600;
}

.primary-btn {
  background-color: #fff;
  color: #ff6b00;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.primary-btn:hover {
  background-color: #f8f8f8;
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

.secondary-btn {
  background-color: transparent;
  color: #333;
  border: 2px solid #333;
}

.secondary-btn:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

/* 核心服务区域样式 */
.core-services {
  padding-top: 100px;
}

.services-grid {
  width: 100%;
  height: 679px;
  background: url("../images/box2bg.png") no-repeat;
  background-color: #fff8f3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card {
  width: 1272px;
  height: 400px;
  display: flex;
  border-radius: 10px;
  overflow: hidden;
}

.service-card .left {
  width: 420px;
  height: 100%;
  background: #FFF;
}

.service-card .left .left-item {
  width: 100%;
  height: 50%;
  display: flex;
  align-items: center;
  color: #333;
  font-size: 30px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.3s ease;
}

.service-card .left .left-item.active {
  background: linear-gradient(255deg, #FF4F00 9.48%, #FF953F 97.28%);
  color: #fff;
}

.service-card .left .left-item img {
  margin-left: 60px;
  margin-right: 10px;
}

.inactive-image {
  display: block;
}

.active-image {
  display: none;
}

.active .inactive-image {
  display: none;
}

.active .active-image {
  display: block;
}


.service-card .right {
  width: 852px;
  height: 100%;
  background: rgba(255, 255, 255, 0.80);
  padding: 58px 100px;
}

.service-card .right h1 {
  font-size: 30px;
  margin-bottom: 36px;
}

.service-card .right p {
  position: relative;
  font-size: 16px;
  line-height: 40px;
  padding-left: 30px;
}

.service-card .right p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  background: url("../images/3.png") no-repeat;
  width: 20px;
  height: 20px;
}

.feature-cards {
  display: grid;
  gap: 20px;
  width: 100%;
}

.feature-card {
  display: flex;
  align-items: flex-start;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 15px;
  border-radius: 8px;
  border-left: 3px solid #ff6b00;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.feature-icon-small {
  width: 50px;
  height: 50px;
  margin-right: 15px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 107, 0, 0.1);
  border-radius: 50%;
  color: #ff6b00;
  font-size: 24px;
}

.feature-content {
  flex: 1;
}

.feature-title-small {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 5px 0;
  color: #ff6b00;
}

.feature-desc {
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  color: #666;
}

/* 数字共享区域样式 */
.digital-sharing {
  padding: 100px 0;
  background-color: #f8f9fa;
}

.sharing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.sharing-card {
  position: relative;
  width: 304px;
  height: 180px;
  background-color: #FFF1EA;
  border-radius: 12px;
  padding: 44px 20px 20px;
}

.sharing-icon {
  width: 78px;
  height: 65px;
  position: absolute;
  right: 20px;
  top: 20px;
}

.sharing-image {
  width: 100%;
  height: 100%;
}

.sharing-title {
  color: #000;
  font-size: 24px;
  font-style: 400;
  margin-bottom: 20px;
}

.sharing-content {
  position: relative;
  color: #3B4E67;
  font-size: 16px;
  line-height: 38px;
  padding-left: 30px;
}

.sharing-content::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  background: url("../images/4.png") no-repeat;
  width: 20px;
  height: 20px;
}

.sharing-content1::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  background: url("../images/5.png") no-repeat;
  width: 20px;
  height: 20px;
}

/* 生产系统区域样式 */
.production-system {
  padding: 100px 0 0;
  background-color: #fff;
}

.production-content {
  position: relative;
  height: 620px;
  background: #FFF8F3;
  padding-left: 760px;
  display: flex;
  flex-wrap: wrap;
}

.production-content::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  background: url("../images/6.png") no-repeat;
  width: 730px;
  height: 620px;
}

.production-item {
  width: 500px;
  display: flex;
  align-items: center;
}

.production-item img {
  width: 48px;
  height: 48px;
  margin-right: 20px;
}

.production-item p {
  color: #000;
  font-size: 24px;
  margin-bottom: 20px;
}

.production-item p:nth-child(2) {
  width: 300px;
  color: #3B4E67;
  font-size: 16px;
}

.system-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-group {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 20px;
}

.feature-group-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #ff6b00;
}

.feature-group-desc {
  font-size: 0.95rem;
  color: #666;
  margin: 0;
}

/* 为什么选择油服邦区域样式 */
.why-choose {
  padding: 100px 0;
  background-color: #f8f9fa;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.advantage-card {
  position: relative;
  width: 411px;
  height: 300px;
  border-radius: 10px;
  background: #FFF2EA;
  box-shadow: 0 4px 10px 0 rgba(172, 172, 172, 0.20);
  padding: 60px 0 0 92px;
}

.advantage-card::before {
  content: "";
  position: absolute;
  left: 40px;
  top: 62px;
  background: url("../images/quote-left.svg") no-repeat;
  width: 48px;
  height: 48px;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.advantage-title {
  color: #000;
  font-size: 30px;
  line-height: 38px;
  margin-bottom: 30px;
}

.advantage-card img {
  position: absolute;
  right: 20px;
  bottom: 40px;
  width: 104px;
  height: 104px;
}

.advantage-description {
  color: #3B4E67;
  font-size: 16px;
  width: 170px;
}

/* 行动召唤区域样式 */
.cta {
  background: linear-gradient(135deg, #ff6b00 0%, #ff9a44 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.cta-title {
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: 15px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.cta-description {
  font-size: 1.2rem;
  margin-bottom: 30px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cta-btn {
  display: flex;
  padding: 12px 56px;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-radius: 2px;
  background: #1F1F1F;
  color: #fff;
}

/* 联系表单样式 */
.contact-form {
  width: 1274px;
  height: 563px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
}

.contact-form>div {
  width: 50%;
  padding: 48px 80px;
  text-align: left;
}

.contact-form>div h1 {
  font-size: 36px;
  margin-bottom: 114px;
}

.contact-form>div .logo {
  position: relative;
  font-size: 24px;
  margin-bottom: 40px;
  padding-left: 40px;
}

.contact-form>div .logo::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  background: url("../images/logo.png") no-repeat;
  width: 24px;
  height: 24px;
}

.contact-form>div .phone,
.contact-form>div .address {
  position: relative;
  font-size: 16px;
  padding-left: 40px;
  margin-bottom: 32px;
}

.contact-form>div .phone::before,
.contact-form>div .address::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  background: url("../images/phone-icon.svg") no-repeat;
  width: 24px;
  height: 24px;
}

.contact-form>div .address::before {
  background: url("../images/location-icon.svg") no-repeat;
}

.form-group {
  text-align: left;
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.form-group input.error,
.form-group textarea.error {
  box-shadow: 0 0 0 2px #ff4d4f;
  animation: shake 0.5s;
  color: #ff4d4f;
}

.form-group input.error::placeholder,
.form-group textarea.error::placeholder {
  color: #ff4d4f;
  opacity: 1;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.form-group textarea {
  resize: vertical;
  height: 200px;
  min-height: 120px;
  max-height: 200px;
}

/* 合作企业样式 */
.partners {
  position: relative;
  background: linear-gradient(135deg, #fff5e6 0%, #ffe6cc 100%);
  height: 518px;
  padding: 60px 0;
  text-align: center;
}
.partners::before {
  content: "";
  position: absolute;
  left: 88px;
  bottom: 0;
  background: url("../images/lb.png") no-repeat;
  width: 253px;
  height: 344px;
}
.partners::after {
  content: "";
  position: absolute;
  right: 58px;
  top: 0;
  background: url("../images/rt.png") no-repeat;
  width: 284px;
  height: 390px;
}
.partners-title {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 70px;
  color: #333;
}

.partners-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.partner-item {
  background-color: #fff;
  height: 222px;
  padding: 30px 60px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  align-items: center;
}

.partner-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.partner-item img {
  width: 476px;
  max-height: 80px;
  object-fit: contain;
}

.partner-item1 {
  background: linear-gradient(255deg, #FF4F00 9.48%, #FF953F 97.28%);
}

/* 页脚样式 */
.footer {
  background-color: #333;
  color: #fff;
  padding: 80px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-column h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: #ff6b00;
}

.footer-logo-img {
  height: 60px;
  width: auto;
  margin-bottom: 15px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 12px;
  width: 270px;
}

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #ff6b00;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #444;
  color: #999;
}
.footer-desc {
  width: 200px;
}