/* 项目介绍模块 */
.intro-section {
  margin-top: 107px;
}

.intro-section h2 {
  margin-bottom: 40px;
  font-size: 36px;
  font-weight: bold;
  color: #282828;
}

.intro-section h2 span {
  color: #0C7BFF;
}

.intro-section .desc {
  width: 86%;
  margin-bottom: 65px;
  font-size: 24px;
  color: #282828;
  line-height: 33px;
}

.intro-section .label {
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 400;
  color: #333333;
}

.intro-section .num {
  font-size: 36px;
  font-weight: bold;
  color: #0C7BFF;
}

/* 项目核心优势模块 */
.core-section {
  padding-top: 77px;
  padding-bottom: 130px;
}

.core-section .row {
  margin-top: 35px;
}

.core-section .advantage-card {
  background: linear-gradient(0deg, #e7f4fe 0%, #fefefe 100%);
  border-radius: 10px;
  box-shadow: 0 0 12px 0 rgba(55, 55, 55, 0.05);
  padding: 30px 30px 25px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.core-section .advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.core-section .card-content {
  flex-grow: 1;
}

.core-section .card-content h5 {
  font-weight: bold;
  font-size: 24px;
  color: #282828;
  margin-bottom: 15px;
}

.core-section .card-content p {
  width: 70%;
  font-size: 16px;
  color: #666666;
  line-height: 22px;
  margin-bottom: 19px;
}

.core-section .card-footer {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
}

.core-section .toggle-icon img {
  width: 36px;
  height: auto;
}

.core-section .advantage-icon img {
  width: auto;
  height: 152px;
  display: block;
}

 /* 为什么选择视拓客 */
.why-choose-section {
  padding: 60px 0;
  background: url('../images/stk/why/bg.png') no-repeat center center/cover;
}

.why-choose-section .why-choose-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.why-choose-section .core-value-area {
  position: relative;
  width: 700px;
  height: 600px;
  margin: 0 auto;
}

.why-choose-section .core-value-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 546px;
  height: 518px;
  background: url("../images/stk/why/center.png") no-repeat center center/cover;
  display: flex;
  justify-content: center;
  align-items: center;
}

.why-choose-section .core-value-text {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  line-height: 36px;
  text-align: center;
  transform: translateY(36px) translateX(-12px);
}

.why-choose-section .core-value-item {
  position: absolute;
  width: 370px;
  text-align: left;
}

.why-choose-section .core-value-item:nth-of-type(2) {
  top: 6%;
  right: -54%;
  transform: translate(-50%, 0);
}

.why-choose-section .core-value-item:nth-of-type(3) {
  bottom: 17%;
  left: -49%;
  text-align: right;
}

.why-choose-section .core-value-item:nth-of-type(4) {
  bottom: 17%;
  right: -46%;
}

.why-choose-section .core-value-item .tag {
  display: inline-block;
  padding: 10px 24px;
  font-size: 23px;
  font-weight: bold;
  color: #fff;
  border-radius: 30px;
  white-space: nowrap;
}

.why-choose-section .core-value-item .desc {
  margin-top: 20px;
  font-size: 20px;
  font-weight: 400;
  color: #666666;
  line-height: 31px;
}

.why-choose-section .core-value-item:nth-of-type(2) .tag {
  background: linear-gradient(180deg, #cbd8fc 0%, #7697f7 100%);
}

.why-choose-section .core-value-item:nth-of-type(3) .tag {
  background: linear-gradient(90deg, #cbd8fc 0%, #7697f7 100%);
}

.why-choose-section .core-value-item:nth-of-type(4) .tag {
  background: linear-gradient(270deg, #cbd8fc 0%, #7697f7 100%);
}

@media (max-width: 768px) {
  .why-choose-section .core-value-area {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .why-choose-section .core-value-item,
  .why-choose-section .core-value-item:nth-of-type(2),
  .why-choose-section .core-value-item:nth-of-type(3),
  .why-choose-section .core-value-item:nth-of-type(4) {
    position: static;
    transform: none;
    width: 90%;
  }

  .why-choose-section .core-value-center {
    position: static;
    transform: none;
    margin: 30px 0;
  }
}

/* 产品功能矩阵 */
.product-matrix-section {
  padding: 85px 0 103px;
}

.product-matrix-section .matrix-card {
  border-radius: 5px;
  border: 1px solid rgba(12, 123, 170, 0.12);
  box-shadow: 0 4px 8px rgba(12, 123, 170, 0.08),
  0 12px 28px rgba(12, 123, 170, 0.12);
  background-color: #ffffff;
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.product-matrix-section .card-header {
  display: flex;
  align-items: center;
  height: 97px;
  padding-left: 28px;
  background: url("../images/stk/matrix/header_bg.png") no-repeat;
  background-size: cover;
  font-size: 26px;
  font-weight: bold;
}

.product-matrix-section .card-body {
  padding: 15px 28px 8px;
  flex-grow: 1;
  overflow: hidden;
  font-size: 18px;
  font-weight: 400;
  color: #666666;
}

.product-matrix-section .card-body li {
  display: flex;
  align-items: baseline;
  margin-bottom: 10px;
  line-height: 30px;
}

.product-matrix-section .bullet {
  display: inline-block;
  flex-shrink: 0;
  width: 11px;
  height: 11px;
  background-color: #0c7bff;
  border-radius: 50%;
  margin-right: 8px;
}

/* 核心功能详解模块 */
.feature-section {
  padding: 97px 0 110px;
  background-color: #f5f6f8;
}

.feature-section .section-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 60px;
}

.feature-section .feature-row {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: nowrap;
}

.feature-section .feature-card {
  width: 240px;
  text-align: center;
}

.feature-section .feature-card .icon {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-section .feature-card .icon img {
  height: 100%;
  width: auto;
}

.feature-section .feature-card h4 {
  font-size: 24px;
  font-weight: bold;
  color: #282828;
  margin-bottom: 20px;
}

.feature-section .feature-card p {
  font-size: 16px;
  color: #666666;
  margin: 0 auto;
  line-height: 24px;
}

.feature-section .arrow-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 140px;
}

.feature-section .arrow-wrapper img {
  width: auto;
  height: 31px;
  margin: 0;
}

@media (max-width: 992px) {
  .feature-section .feature-row {
    flex-direction: column;
    align-items: center;
    gap: 50px;
  }

  .feature-section .arrow-wrapper {
    display: none;
  }
}

/* 项目成功案例 */
.case-section {
  position: relative;
  padding: 99px 0 120px;
  background-color: #fff;
  overflow: hidden;
}

.case-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 340px;
  background: url("../images/stk/case/bg.png") no-repeat center top/cover;
  z-index: 0;
}

.case-section .section-title {
  position: relative;
  z-index: 1;
  text-align: center;
  font-weight: 600;
  color: #fff;
  margin-bottom: 60px;
  font-size: 28px;
}

.case-section .case-swiper {
  position: relative;
  z-index: 2;
  padding-bottom: 60px;
}

.case-section .swiper {
  width: 92%;
}

.case-section .swiper-slide {
  display: flex;
  justify-content: center;
  height: auto;
}

.case-section .case-card {
  width: 94%;
  display: flex;
  flex-direction: column;
}

.case-section .case-img {
  position: relative;
}

.case-section .case-img img {
  width: 100%;
  height: 249px;
  object-fit: cover;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  display: block;
}

.case-section .case-label {
  position: absolute;
  top: 0;
  left: 0;
  background: #0c7bff;
  border-radius: 10px 0;
  padding: 5px 12px;
  z-index: 2;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.case-section .case-content {
  position: relative;
  margin-top: -53px;
  padding: 19px;
  background: linear-gradient(0deg, #ffffff 0%, #f2f6ff 100%);
  border: 2px solid #ffffff;
  border-radius: 10px;
  box-shadow: 0 0 12px 0 rgba(31, 31, 31, 0.10);
  width: 93%;
  margin-left: auto;
  margin-right: auto;
  color: #333333;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.case-section .case-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 21px;
}

.case-section .case-ranking {
  border-bottom: 1px solid #CACACA;
  padding-bottom: 20px;
}

.case-section .case-ranking strong {
  display: block;
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 700;
}

.case-section .case-ranking p {
  font-size: 14px;
  font-weight: 400;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  vertical-align: middle;
  cursor: default;
  position: relative;
  margin: 0;
}

.case-section .case-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
  margin-top: 16px;
  font-size: 16px;
  font-weight: 400;
  line-height: 27px;
  flex: 1;
  align-content: start;
}

.case-section .swiper-button-prev,
.case-section .swiper-button-next {
  width: 58px;
  height: 58px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  z-index: 10;
}

.case-section .swiper-button-prev {
  left: 10%;
  background-image: url('../images/stk/case/left_arrow.png');
}

.case-section .swiper-button-next {
  right: 10%;
  background-image: url('../images/stk/case/right_arrow.png');
}

.case-section .swiper-button-prev:hover,
.case-section .swiper-button-next:hover {
  opacity: 0.9;
}

.case-section .swiper-button-prev::after,
.case-section .swiper-button-next::after {
  display: none;
}

@media (max-width: 768px) {
  .case-section .case-card {
    width: 260px;
  }

  .case-section .section-title {
    font-size: 22px;
    margin-bottom: 40px;
  }
}

/* 核心功能详解 */
.core-detail-section {
  padding: 77px 0 110px;
  background-color: #f5f6f8;
}

.core-detail-section .section-title {
  margin-bottom: 94px;
}

.core-detail-section .core-detail-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.core-detail-section .core-detail-area {
  position: relative;
  width: 600px;
  height: 342px;
  margin: 0 auto;
}

.core-detail-section .core-detail-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: url("../images/stk/core_detail/center.png") no-repeat center center/cover;
  display: flex;
  justify-content: center;
  align-items: center;
}

.core-detail-section .core-detail-item {
  position: absolute;
  width: 410px;
  text-align: left;
}

.core-detail-section .core-detail-item:nth-of-type(2) {
  top: -3%;
  right: -82%;
  transform: translate(-50%, 0);
}

.core-detail-section .core-detail-item:nth-of-type(3) {
  bottom: 49%;
  left: -69%;
  text-align: right;
}

.core-detail-section .core-detail-item:nth-of-type(4) {
  bottom: -6%;
  right: -67%;
}

.core-detail-section .core-detail-item .tag {
  display: inline-block;
  font-size: 24px;
  font-weight: 700;
  color: #0060FF;
  white-space: nowrap;
}

.core-detail-section .core-detail-item .desc {
  margin-top: 17px;
  font-size: 24px;
  font-weight: 400;
  color: #666666;
}

/* 立即开始 */
.start-section {
  min-height: 375px;
  padding: 75px 0;
  background: url('../images/stk/start/bg.png') no-repeat center right / cover;
}

.start-section .container {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.start-section .section-title {
  margin-bottom: 45px;
  text-align: left;
}

.start-section .subtitle {
  font-size: 26px;
  color: #3B82FD;
  font-weight: bold;
  margin-bottom: 40px;
}

.start-section .desc {
  font-size: 20px;
  font-weight: 400;
  color: #666666;
  line-height: 33px;
  max-width: 55%;
}