.section-padding {
  padding: 80px 0;
}
.hover-transform {
  transition: transform 0.3s ease;
}
.hover-transform:hover {
  transform: translateY(-5px);
}
.solution-banner {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url("../images/smart-lock-banner.jpg") no-repeat center;
  background-size: cover;
  padding: 120px 0;
  text-align: center;
  color: #fff;
}
.solution-banner .banner-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  color: #ffffff;
}
.solution-banner .banner-content h1 {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 20px;
}
.solution-banner .banner-content .subtitle {
  font-size: 24px;
  margin-bottom: 15px;
  opacity: 0.9;
}
.solution-banner .banner-content .description {
  font-size: 18px;
  line-height: 1.6;
  opacity: 0.8;
}
.solution-banner .banner-content .banner-btns {
  margin-top: 40px;
}
.solution-banner .banner-content .banner-btns .layui-btn {
  margin: 0 10px;
  padding: 0 40px;
  height: 50px;
  line-height: 50px;
  font-size: 18px;
  transition: all 0.3s ease;
}
.solution-banner .banner-content .banner-btns .layui-btn.layui-btn-primary {
  background: #fff;
  color: #333;
  border: none;
}
.solution-banner .banner-content .banner-btns .layui-btn.layui-btn-primary:hover {
  background: #fff;
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.2);
}
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 36px;
  color: #333;
  margin-bottom: 15px;
  font-weight: 500;
}
.section-title p {
  font-size: 16px;
  color: #666;
}
.smart-lock-features {
  padding: 80px 0;
  background: #f8f9fa;
}
.smart-lock-features .feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.smart-lock-features .feature-grid .feature-item {
  text-align: center;
  padding: 40px 30px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}
.smart-lock-features .feature-grid .feature-item:hover {
  transform: translateY(-5px);
}
.smart-lock-features .feature-grid .feature-item img {
  width: 80px;
  height: 80px;
  margin-bottom: 25px;
}
.smart-lock-features .feature-grid .feature-item h3 {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
  font-weight: 500;
}
.smart-lock-features .feature-grid .feature-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}
.management-platform {
  padding: 80px 0;
  background: #f8f9fa;
}
.management-platform .platform-features {
  display: flex;
  align-items: center;
  gap: 60px;
}
.management-platform .platform-features .feature-left {
  flex: 1;
}
.management-platform .platform-features .feature-left .feature-item:not(:last-child) {
  margin-bottom: 40px;
}
.management-platform .platform-features .feature-left .feature-item h3 {
  line-height: 1.6;
  color: #666;
  font-size: 21px;
  font-weight: 400;
}
.management-platform .platform-features .feature-left .feature-item p {
  font-size: 18px;
  line-height: 1.6;
  color: #666;
  font-weight: 400;
}
.management-platform .platform-features .feature-right {
  flex: 1;
}
.management-platform .platform-features .feature-right img {
  width: 500px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.application-scenarios {
  padding: 80px 0;
  background: #fff;
}
.application-scenarios .scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.application-scenarios .scenario-grid .scenario-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease;
}
.application-scenarios .scenario-grid .scenario-item:hover {
  transform: translateY(-5px);
}
.application-scenarios .scenario-grid .scenario-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.application-scenarios .scenario-grid .scenario-item h3 {
  font-size: 20px;
  color: #333;
  margin: 20px 0 10px;
  font-weight: 500;
}
.application-scenarios .scenario-grid .scenario-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}
.education-features {
  padding: 80px 0;
  background-image: url(../images/20221014_1634752_banner_812196_140446_0.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}
.education-features .section-title {
  text-align: left;
  color: #fff;
}
.education-features .section-title h1 {
  font-size: 36px;
  margin-bottom: 20px;
}
.education-features .section-title p {
  width: 600px;
  font-size: 18px;
  font-weight: 400;
  color: #fff;
  line-height: 30px;
}
.solution-background {
  padding: 80px 0;
  background: #fff;
}
.solution-background .background-content {
  margin-top: 40px;
}
.solution-background .background-content p {
  text-align: center;
  font-size: 18px;
  font-weight: 400;
  color: #333;
  line-height: 30px;
  width: 800px;
  margin: 0 auto;
}
.solution-features {
  padding: 80px 0;
  background-image: url(../images/pattern-back-05.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}
.solution-features h5 {
  font-size: 22px;
  font-weight: 400;
}
.solution-features .features-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.solution-features .features-grid .feature-item {
  margin-bottom: 10px;
}
.solution-features .features-grid .feature-item h3 {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
  font-weight: 500;
}
.solution-features .features-grid .feature-item p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
}
.solution-features .features-grid__right .feature-image {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}
.solution-features .features-grid__right .feature-image img {
  width: 100%;
}
.apartment-management {
  padding: 80px 0;
  background: #fff;
}
.apartment-management .features-wrapper {
  margin: 60px 0;
}
.apartment-management .features-wrapper .feature-row {
  display: flex;
  align-items: center;
  margin-bottom: 60px;
  gap: 80px;
}
.apartment-management .features-wrapper .feature-row:last-child {
  margin-bottom: 0;
}
.apartment-management .features-wrapper .feature-row.reverse {
  flex-direction: row-reverse;
}
.apartment-management .features-wrapper .feature-row .feature-text-wrapper {
  flex: 1;
}
.apartment-management .features-wrapper .feature-row .feature-text-wrapper .feature-text {
  position: relative;
  margin-bottom: 40px;
}
.apartment-management .features-wrapper .feature-row .feature-text-wrapper .feature-text:last-child {
  margin-bottom: 0;
}
.apartment-management .features-wrapper .feature-row .feature-text-wrapper .feature-text h3 {
  font-size: 24px;
  color: #333;
  margin-bottom: 16px;
  font-weight: 500;
  display: flex;
  align-items: center;
}
.apartment-management .features-wrapper .feature-row .feature-text-wrapper .feature-text h3:before {
  content: "";
  width: 6px;
  height: 6px;
  background: #0086d1;
  margin-right: 12px;
  border-radius: 50%;
}
.apartment-management .features-wrapper .feature-row .feature-text-wrapper .feature-text p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  padding-left: 18px;
}
.apartment-management .features-wrapper .feature-row .feature-image {
  flex: 1;
  display: flex;
  justify-content: center;
}
.apartment-management .features-wrapper .feature-row .feature-image img {
  width: 85%;
  border-radius: 12px;
  transition: transform 0.3s ease;
}
.apartment-management .features-wrapper .feature-row .feature-image img:hover {
  transform: translateY(-5px);
}
.solution-value {
  padding: 80px 0;
  background: #fff;
}
.solution-value .value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 50px;
}
.solution-value .value-grid .value-item {
  background: #f8f9fa;
  padding: 40px;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-align: center;
}
.solution-value .value-grid .value-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.solution-value .value-grid .value-item .value-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px;
  background: rgba(0, 134, 209, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.solution-value .value-grid .value-item .value-icon i {
  font-size: 36px;
  color: #0086d1;
}
.solution-value .value-grid .value-item h3 {
  font-size: 22px;
  color: #333;
  margin-bottom: 20px;
  font-weight: 500;
}
.solution-value .value-grid .value-item p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
}
.basic-version {
  padding: 80px 0;
  background: #f8f9fa;
}
.basic-version .section-title {
  text-align: center;
  margin-bottom: 40px;
}
.basic-version .section-title h2 {
  font-size: 32px;
  color: #333;
  margin-bottom: 20px;
}
.basic-version .version-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}
.basic-version .version-intro p {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
}
.basic-version .feature-list .feature-card {
  text-align: center;
  padding: 30px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  margin: 15px;
  transition: all 0.3s ease;
}
.basic-version .feature-list .feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
.basic-version .feature-list .feature-card .iconfont {
  font-size: 48px;
  color: #0086d1;
  margin-bottom: 20px;
}
.basic-version .feature-list .feature-card h3 {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
}
.basic-version .feature-list .feature-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}
.basic-version .process-list {
  margin: 40px 0;
}
.basic-version .process-list h3 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 40px;
  color: #333;
}
.basic-version .process-list .process-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  row-gap: 30px;
  column-gap: 20px;
  padding: 20px;
}
.basic-version .process-list .process-items .process-item {
  width: calc(25% - 20px);
  min-width: 260px;
  background: #fff;
  border: 1px solid #e6e6e6;
  border-radius: 20px;
  padding: 30px 20px;
  position: relative;
  transition: all 0.3s ease;
}
.basic-version .process-list .process-items .process-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}
.basic-version .process-list .process-items .process-item .item-number {
  position: absolute;
  top: -18px;
  left: 20px;
  width: 36px;
  height: 36px;
  background: #0086d1;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 16px;
}
.basic-version .process-list .process-items .process-item .item-content {
  margin-top: 15px;
  padding-left: 30px;
}
.basic-version .process-list .process-items .process-item .item-content h4 {
  font-size: 18px;
  color: #333;
  margin-bottom: 15px;
  font-weight: 500;
}
.basic-version .process-list .process-items .process-item .item-content p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}
.basic-version .process-list .process-items .process-item:not(:last-child)::after {
  display: none;
}
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@media screen and (max-width: 992px) {
  .smart-lock-features .feature-grid,
  .camera-features,
  .application-scenarios .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .management-platform .platform-features {
    flex-direction: column;
    gap: 40px;
  }
  .education-features .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .solution-features .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .apartment-management .feature-row {
    flex-direction: column !important;
    gap: 40px;
    text-align: center;
  }
  .apartment-management .feature-row .feature-text-wrapper .feature-text h3 {
    justify-content: center;
  }
  .apartment-management .feature-row .feature-text-wrapper .feature-text h3:before {
    display: none;
  }
  .apartment-management .feature-row .feature-text-wrapper .feature-text p {
    padding-left: 0;
  }
  .apartment-management .feature-row .feature-image img {
    width: 100%;
  }
  .apartment-management .systems-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .solution-value .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-list .process-items .process-item {
    width: calc(50% - 15px);
  }
}
@media screen and (max-width: 576px) {
  .solution-banner {
    padding: 80px 0;
  }
  .solution-banner h1 {
    font-size: 36px;
  }
  .solution-banner p {
    font-size: 16px;
  }
  .smart-lock-features .feature-grid,
  .camera-features,
  .application-scenarios .scenario-grid {
    grid-template-columns: 1fr;
  }
  .section-title h2 {
    font-size: 30px;
    font-weight: 500;
  }
  .section-title p {
    font-size: 14px;
  }
  .education-features .feature-grid {
    grid-template-columns: 1fr;
  }
  .solution-features .features-grid {
    grid-template-columns: 1fr;
  }
  .apartment-management .systems-grid {
    grid-template-columns: 1fr;
  }
  .solution-value .value-grid {
    grid-template-columns: 1fr;
  }
  .process-list .process-items .process-item {
    width: 100%;
    margin: 0 0 40px;
  }
  .process-list .process-items .process-item:not(:last-child)::after {
    top: auto;
    bottom: -30px;
    right: 50%;
    width: 20px;
    height: 20px;
    transform: translateX(50%) rotate(90deg);
  }
  .process-list .process-items .process-item:hover {
    transform: none;
  }
}
@media screen and (max-width: 768px) {
  .basic-version {
    padding: 40px 0;
  }
  .basic-version .feature-card {
    margin: 10px 0;
  }
  .basic-version .process-item {
    margin: 0 15px 20px;
  }
  .basic-version .process-item:hover {
    transform: none;
  }
}
@media screen and (max-width: 375px) {
  .process-list .process-items .process-item {
    margin: 0 0 35px;
    padding: 15px 12px;
  }
  .process-list .process-items .process-item .item-number {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
  .process-list .process-items .process-item .item-content h4 {
    font-size: 15px;
  }
  .process-list .process-items .process-item .item-content p {
    font-size: 12px;
    -webkit-line-clamp: 4;
  }
}
@media screen and (max-width: 992px) {
  .process-list {
    margin-top: 50px;
  }
  .process-list h3 {
    font-size: 22px;
    margin-bottom: 35px;
  }
  .process-list .process-items .process-item {
    width: calc(50% - 30px);
    margin: 0 15px 40px;
    padding: 25px 15px;
  }
  .process-list .process-items .process-item:nth-child(2n)::after {
    display: none;
  }
  .process-list .process-items .process-item:not(:last-child)::after {
    right: -25px;
    width: 25px;
    height: 15px;
  }
  .process-list .process-items .process-item .item-number {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }
  .process-list .process-items .process-item .item-number::before {
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
  }
  .process-list .process-items .process-item .item-content h4 {
    font-size: 16px;
    margin-bottom: 10px;
  }
  .process-list .process-items .process-item .item-content p {
    font-size: 13px;
  }
}
@media screen and (max-width: 768px) {
  .process-list {
    margin-top: 40px;
  }
  .process-list h3 {
    font-size: 20px;
    margin-bottom: 30px;
  }
  .process-list .process-items {
    padding: 0 10px;
  }
  .process-list .process-items .process-item {
    width: 100%;
    margin: 0 0 50px;
    padding: 20px 15px;
  }
  .process-list .process-items .process-item:last-child {
    margin-bottom: 0;
  }
  .process-list .process-items .process-item:not(:last-child)::after {
    top: auto;
    bottom: -35px;
    left: 50%;
    right: auto;
    width: 15px;
    height: 20px;
    transform: translateX(-50%) rotate(90deg);
  }
  .process-list .process-items .process-item:hover {
    transform: none;
  }
  .process-list .process-items .process-item .item-number {
    width: 32px;
    height: 32px;
    font-size: 15px;
    margin-bottom: 12px;
  }
  .process-list .process-items .process-item .item-number::before {
    animation: none;
    border-width: 1px;
  }
  .process-list .process-items .process-item .item-content h4 {
    font-size: 16px;
    margin-bottom: 8px;
  }
  .process-list .process-items .process-item .item-content p {
    font-size: 13px;
    line-height: 1.5;
  }
}
@media screen and (max-width: 375px) {
  .process-list {
    margin-top: 30px;
  }
  .process-list h3 {
    font-size: 18px;
    margin-bottom: 25px;
  }
  .process-list .process-items .process-item {
    margin: 0 0 40px;
    padding: 15px 12px;
  }
  .process-list .process-items .process-item:not(:last-child)::after {
    bottom: -30px;
    width: 12px;
    height: 15px;
  }
  .process-list .process-items .process-item .item-number {
    width: 28px;
    height: 28px;
    font-size: 14px;
    margin-bottom: 10px;
  }
  .process-list .process-items .process-item .item-content h4 {
    font-size: 15px;
    margin-bottom: 6px;
  }
  .process-list .process-items .process-item .item-content p {
    font-size: 12px;
    line-height: 1.4;
  }
}
@media screen and (max-width: 992px) {
  .process-list .process-items .process-item {
    width: calc(50% - 15px);
  }
}
@media screen and (max-width: 768px) {
  .process-list .process-items .process-item {
    width: 100%;
    margin-bottom: 20px;
  }
}
.system-features {
  padding: 80px 0;
  background: #f8f9fa;
}
.system-features .features-container {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}
@media screen and (max-width: 992px) {
  .system-features .features-container {
    flex-direction: column;
  }
}
.system-features .feature-section {
  flex: 1;
  background: #fff;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.system-features .feature-section h3 {
  font-size: 20px;
  color: #333;
  margin-bottom: 30px;
  text-align: center;
  font-weight: 500;
  position: relative;
}
.system-features .feature-section h3:after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: #0086d1;
}
.system-features .feature-section .feature-groups .feature-group {
  margin-bottom: 30px;
}
.system-features .feature-section .feature-groups .feature-group:last-child {
  margin-bottom: 0;
}
.system-features .feature-section .feature-groups .feature-group h4 {
  font-size: 16px;
  color: #0086d1;
  margin-bottom: 15px;
  font-weight: 500;
  padding-left: 15px;
  border-left: 3px solid #0086d1;
}
.system-features .feature-section .feature-groups .feature-group .feature-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 12px;
  padding-left: 15px;
}
.system-features .feature-section .feature-groups .feature-group .feature-list li span {
  flex-shrink: 0;
  width: 24px;
  margin-right: 8px;
  color: #0086d1;
  font-weight: 500;
}
@media screen and (max-width: 768px) {
  .system-features {
    padding: 40px 0;
  }
  .system-features .feature-section {
    padding: 20px;
  }
  .system-features .feature-section h3 {
    font-size: 18px;
  }
  .system-features .feature-section .feature-groups .feature-group h4 {
    font-size: 15px;
  }
  .system-features .feature-section .feature-groups .feature-group .feature-list li {
    font-size: 14px;
  }
}
.advanced-features {
  padding: 80px 0;
  background: #f8f9fa;
}
.advanced-features .features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.advanced-features .features-grid .feature-card {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  transition: all 0.3s ease;
  border: 1px solid #eee;
}
.advanced-features .features-grid .feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
.advanced-features .features-grid .feature-card .feature-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.advanced-features .features-grid .feature-card .feature-header h3 {
  font-size: 20px;
  color: #333;
  font-weight: 500;
}
.advanced-features .features-grid .feature-card .feature-header .tag {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 14px;
  background: rgba(0, 134, 209, 0.1);
  color: #0086d1;
}
.advanced-features .features-grid .feature-card .feature-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 25px;
  min-height: 75px;
}
.advanced-features .features-grid .feature-card .feature-list {
  margin-top: 25px;
}
.advanced-features .features-grid .feature-card .feature-list li {
  display: flex;
  align-items: center;
  padding: 12px 0;
  font-size: 14px;
  color: #666;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}
.advanced-features .features-grid .feature-card .feature-list li:last-child {
  border-bottom: none;
}
.advanced-features .features-grid .feature-card .feature-list li i.layui-icon {
  color: #0086d1;
  margin-right: 10px;
  font-size: 14px;
  font-weight: bold;
}
.advanced-features .features-grid .feature-card .feature-list li:hover {
  padding-left: 5px;
  color: #0086d1;
}
.advanced-features .features-grid .feature-card .feature-list li:hover i {
  transform: scale(1.1);
}
@media screen and (max-width: 1200px) {
  .advanced-features .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media screen and (max-width: 768px) {
  .advanced-features {
    padding: 40px 0;
  }
  .advanced-features .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }
  .advanced-features .features-grid .feature-card {
    padding: 20px;
  }
  .advanced-features .features-grid .feature-card .feature-desc {
    min-height: auto;
  }
}
@media screen and (max-width: 768px) {
  .feature-card .feature-list li {
    padding: 10px 0;
    font-size: 13px;
  }
  .feature-card .feature-list li i {
    font-size: 14px;
  }
}