.body-esp-iotcollege-socchina-page .flexslider .slides .esp-iotcollege-logo-wrap {
  position: absolute;
  left: 50%;
  top: 60px;
  max-width: 1280px;
  transform: translateX(-50%);
  width: 100% !important;
  box-sizing: border-box;
  padding: 0 15px;
}
.body-esp-iotcollege-socchina-page .flexslider .slides .esp-iotcollege-logo-wrap img.logo {
  width: auto !important;
  height: 50px !important;
  display: block !important;
}
.body-esp-iotcollege-socchina-page .flexslider .slides h1 {
  line-height: 1.425;
}
.body-esp-iotcollege-socchina-page .new-banner-bg .content .esp-iotcollege-text {
  background: linear-gradient(135deg, #6775c3 0%, #859ce8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.main-wrap {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto 50px !important;
  padding: 0 15px;
  box-sizing: border-box;
}
.main-wrap h4 {
  font-size: var(--esp-font-size-h3) !important;
  line-height: normal;
}
.main-wrap.marginTop { margin-top: 70px; }
.main-item { 
  margin-top: 60px;
  padding: 0;
}
.overview-wrap {
  margin-top: 60px;
  padding: 0;
}
#resources.main-item {
  margin-top: 30px;
}
.main-item-title .title h2, .main-item h2,
.main-item-title .title h3, .main-item h3,
.main-item-title .title h4, .main-item h4,
.main-item-title .title h5, .main-item h5 {
  text-align: left !important;
}
.main-item.even { background: transparent; }
.main-item.odd { background: transparent; }
.main-item-title { margin-top: 40px; }
.main-item-title .title h3,
.main-item h3 {
  display: inline-block;
  font-weight: 600;
  margin: 0 0 24px 0;
  padding: 0;
}
.main-item h2 {
  font-weight: 600;
  margin: 0 0 24px 0;
}
.overview-wrap p + ul {
  margin-bottom: 20px;
}
.overview-wrap p + ul + p {
  margin-bottom: 0;
}
/* .main-item .title h2 {
  position: relative;
}
.main-item .title h2::before {
    content: '';
    display: block;
    width: 60px;
    height: 5px;
    margin-bottom: 14px;
    background-color: #1290D8;
} */
.main-item h4 { 
  margin: 0 0 16px 0;
  font-weight: 600;
}
.main-item h5 { 
  margin: 20px 0 12px 0;
  font-weight: 600;
}
.main-item ul { margin-top: 16px; list-style: none; margin-left: 0; padding-left: 24px; }
.main-item ul li { position: relative; padding-left: 20px; line-height: 1.625; }
.main-item ul  {
  margin-left: 0 !important;
  padding-left: 0;
}
.main-item ul li {
  list-style: none;
}
.main-item ul + h3,
.main-item p + h3 ,
.main-item table + h3 {
  margin-top: 24px;
}

.main-item ul + h4 {
  margin-top: 20px;
}
.main-item ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #38393a;
  font-weight: bold;
}
.main-item ul ul { margin-top: 8px; margin-bottom: 8px; }
li, p { line-height: 1.8; }
.red { color: #e53e3e; }
.main-item ul.ul-wrap { margin-top: 0; margin-left: 0; padding-left: 24px; }
.main-item p { margin: 0 0 20px 0;  }
.main-item-title a,
.main-item a { 
  color: #1290D8 !important;
  text-decoration: none;
  transition: none;
}
.main-item ul.ul-wrap + p {
  margin-top: 20px;
}
.main-item-title a:hover,
.main-item a:hover { 
  text-decoration: underline;
}
.main-item .img-wrap {
  padding: 20px 0;
  text-align: center;
}
.main-item .img-wrap img {
  width: 100%;
  height: auto;
  max-width: 650px;
  margin: 0 auto;
}
.main-item .img-wrap img.big { max-width: 650px; }
.link { position: relative; display: inline-block; padding-right: 12px; line-height: 1; }
.link:hover { text-decoration: none !important; border-bottom: 1px solid #337BC5; }
.link:after {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  margin-top: 1px;
  width: 5px;
  height: 5px;
  border-top: 1px solid #337BC5;
  border-right: 1px solid #337BC5;
  transform: translateY(-50%) rotate(45deg);
}
.main-item p .link { margin-right: 20px; }
.main-item p .link:last-child { margin-right: 0; }

/* 表格（与 2025-challenge 一致） */
.table-wrap {
  width: 100%;
  overflow: hidden;
  overflow-x: auto;
  margin: 20px 0;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.table {
  margin: 0;
  width: 100%;
  min-width: 1000px;
  border-collapse: collapse;
  box-sizing: border-box;
}
.table thead {
  background: linear-gradient(180deg, #6775c3 0%, #859ce8 100%);
}
.table th {
  padding: 16px 20px;
  color: #fff;
  font-weight: 600;
  border: none;
  background: transparent;
  text-align: left;
  vertical-align: middle;
}
.table th:first-child {
  border-radius: 12px 0 0 0;
}
.table th:last-child {
  border-radius: 0 12px 0 0;
}
.table th a { 
  color: #fff !important;
  text-decoration: underline !important;
}
.table tbody tr {
  transition: none;
}
.table tbody tr:hover {
  background-color: transparent;
}
.table tbody tr td {
  padding: 16px 20px;
  border: 1px solid #e8eef5;
  border-left: none;
  border-right: none;
  vertical-align: middle;
  text-align: left;
  line-height: 1.625;
}
.table tbody tr:last-child td {
  border-bottom: none;
}
.table tbody tr td:first-child {
  font-weight: 600;
  min-width: 120px;
}
/* 推荐开发板表格内参数列表与小图 */
.table .param-list {
  margin: 0 0 0 18px;
  padding: 0;
  list-style: disc;
  line-height: 1.625;
}
.table .param-list li { margin: 4px 0; }
.table .img-wrap.small {
  padding: 8px 0;
  text-align: center;
}
.table .param-list + p {
  margin-top: 30px;
}
.table .img-wrap.small img {
  max-width: 100px;
  max-height: 120px;
  object-fit: contain;
}
.hardware-table-wrap {
  margin-top: 0 !important;
}
.hardware-table-wrap .table { min-width: 1000px; }
.hardware-table-wrap .table th:nth-child(1) { width: 100px; }
.hardware-table-wrap .table th:nth-child(2) { width: 180px; }
.hardware-table-wrap .table th:nth-child(3) { min-width: 280px; }
.hardware-table-wrap .table td:nth-child(2) {
  text-align: center;
}
/* 硬件资源卡片 */
.hardware-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 20px 0;
}
.hardware-card {
  flex: 1 1 200px;
  max-width: 260px;
  background: #f5f7fa;
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  box-sizing: border-box;
}
.hardware-card:hover { background: #e8eef5; }
.hardware-card .img-wrap {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.hardware-card .img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.hardware-card p { margin: 6px 0; }
.hardware-card p:first-of-type { font-weight: bold; color: #22AAA3; }

.d-flex { display: flex; }
.flex-wrap { margin-top: 30px; flex-wrap: wrap; }
.example-cards .item + .item { margin-left: 40px; }
.example-cards .item .item-img {
  box-shadow: 0 0 2px rgba(56, 57, 58, .3);
  border-radius: 8px;
  width: 190px;
  height: 190px;
  padding: 10px;
  box-sizing: border-box;
  overflow: hidden;
}
.example-cards .item .item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.example-cards .item p { margin-bottom: 0; text-align: center;  }
.related-technical-resources li a {
  color: #38393a !important;
  text-decoration: underline !important;
}
.related-technical-resources li a:hover { color: #1290D8 !important; }
.ul-wrap.related-technical-resources { 
  list-style: none !important; 
  margin-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
}
.ul-wrap.related-technical-resources li { 
  margin: 0;
}
.related-technical-resources-sub-title { padding-left: 1em; margin-top: 12px; margin-bottom: 4px; }
.ul-wrap.related-technical-sub-resources { list-style: circle !important; margin-left: 40px; }
.ul-wrap.related-technical-sub-resources li { opacity: 0.9; margin: 6px 0; }
.ul-wrap.related-technical-sub-resources li a { color: #38393a !important; text-decoration: underline !important; }
.ul-wrap.related-technical-sub-resources li a:hover { color: #337BC5 !important; }

/* 3.2.2 AI 模型 Logo 列表 */
.ai-ul-wrap {
  list-style: none !important;
  padding: 0 !important;
  margin: 24px 0 0 !important;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}
.ai-ul-wrap li {
  margin: 0 !important;
  padding: 0 !important;
}
.ai-ul-wrap li::before {
  display: none !important;
}
.ai-ul-wrap li a {
  display: flex;
  align-items: center;
  box-shadow: 0 0 2px rgba(56, 57, 58, .3);
  padding: 12px 16px;
  border-radius: 8px;
  color: #38393a !important;
  text-decoration: none !important;
}
.ai-ul-wrap li a:hover {
  border-color: #1290D8;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
  transform: translateY(-2px);
}
.ai-ul-wrap li a svg {
  transition: transform 0.3s ease;
}
.ai-ul-wrap a svg {
  position: static;
    height: 30px;
    width: auto;
    margin-right: 0 !important;
}
.ai-ul-wrap a svg + svg {
    height: 26px;
    margin-left: 12px !important;
}

/* 3.4 赛题应用示例及相关资源 - Swiper 轮播 */
.swiper-example-app {
  position: relative;
  margin-top: 24px;
  padding: 0 0 50px;
  overflow: hidden;
  margin-bottom: 24px;
}

.swiper-example-app .swiper-slide {
  height: auto;
  display: flex;
}

.example-app-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.example-app-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.example-app-image {
  width: 100%;
  overflow: hidden;
}

.example-app-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.example-app-content {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.example-app-content h5 {
  margin: 0 0 12px 0;
  color: #38393a;
  font-weight: 600;
  line-height: 1.425;
}

.example-app-content p {
  margin: 0 0 16px 0;
  line-height: 1.425;
  color: #38393a;
  text-align: left;
}

.example-app-content .ul-wrap.related-technical-resources {
  margin-bottom: 0;
}
.example-app-content .ul-wrap.related-technical-resources {
  padding-left: 0;
}
.example-app-content .ul-wrap.related-technical-resources li::before {
  display: none;
}
.example-app-content .ul-wrap.related-technical-resources li a {
  color: #1290D8 !important;
  text-decoration: none !important;
  line-height: normal !important;
  font-size: 16px !important;
}
.example-app-content .ul-wrap.related-technical-resources li a:hover {
  text-decoration: underline !important;
}
.example-app-content .ul-wrap.related-technical-resources li {
  padding-left: 0;
  line-height: normal !important;
}
.example-app-content .ul-wrap.related-technical-resources + p {
  margin-top: 16px;
}

.swiper-example-app .swiper-button-prev,
.swiper-example-app .swiper-button-next {
  color: #1290D8;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.swiper-example-app .swiper-button-prev {
  left: 2px;
}
.swiper-example-app .swiper-button-next {
  right: 2px;
}

.swiper-example-app .swiper-button-prev:after,
.swiper-example-app .swiper-button-next:after {
  font-size: 16px;
  font-weight: bold;
}

.swiper-example-app .swiper-button-prev:hover,
.swiper-example-app .swiper-button-next:hover {
  background: #1290D8;
  color: #fff;
}

.swiper-example-app .swiper-pagination {
  bottom: 0;
}

.swiper-example-app .swiper-pagination-bullet {
  background: #1290D8;
  opacity: 0.3;
}

.swiper-example-app .swiper-pagination-bullet-active {
  opacity: 1;
}

/* 3.5 基于 ESP32 的第三方开源案例 - Swiper 一次展示 3 个 */
.swiper-third-party {
  position: relative;
  margin-top: 0;
  padding: 0 0 50px;
  overflow: hidden;
}
.swiper-third-party .swiper-slide {
  height: auto;
  display: flex;
}
.third-party-card {
  height: 100%;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  background: #fff;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}
.third-party-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}
.third-party-image {
  width: 100%;
  overflow: hidden;
}
.third-party-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.third-party-content {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.third-party-card h5 {
  color: #38393a;
  margin: 0 0 12px 0;
  font-weight: 600;
  flex-shrink: 0;
  line-height: 1.425;
}
.third-party-card p {
  margin: 0 0 16px 0;
  line-height: 1.425;
  color: #38393a;
  text-align: left;
}
.third-party-card .ul-wrap.related-technical-resources li::before {
  display: none;
}
.third-party-card .ul-wrap.related-technical-resources li a {
  color: #1290D8 !important;
  text-decoration: none !important;
  line-height: normal !important;
  font-size: 16px !important;
}
.third-party-card .ul-wrap.related-technical-resources li a:hover {
  text-decoration: underline !important;
}
.third-party-card .ul-wrap.related-technical-resources li {
  padding-left: 0;
  line-height: normal !important;
}
.third-party-card .ul-wrap.related-technical-resources + p {
  margin-top: 16px;
}
.third-party-card .ul-wrap.related-technical-resources {
  margin-bottom: 0;
  list-style: none;
  padding-left: 0;
}
.third-party-card .ul-wrap.related-technical-resources li { margin: 4px 0; }
.swiper-third-party .swiper-button-prev,
.swiper-third-party .swiper-button-next {
  color: #1290D8;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.swiper-third-party .swiper-button-prev {
  left: 2px;
}
.swiper-third-party .swiper-button-next  {
  right: 2px;
}
.swiper-third-party .swiper-button-prev::after,
.swiper-third-party .swiper-button-next::after {
  font-size: 16px;
  font-weight: bold;
}
.swiper-third-party .swiper-button-prev:hover,
.swiper-third-party .swiper-button-next:hover {
  background: #1290D8;
  color: #fff;
}
.swiper-third-party .swiper-pagination {
  bottom: 0;
}
.swiper-third-party .swiper-pagination-bullet {
  background: #1290D8;
  opacity: 0.3;
}
.swiper-third-party .swiper-pagination-bullet-active {
  background: #1290D8;
  opacity: 1;
}
/* @media (max-width: 900px) {
  .swiper-third-party { padding: 0 0 36px; }
}
@media (max-width: 640px) {
  .swiper-third-party { padding: 0 0 36px; }
} */

.video-wrap {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.video-wrap .video,
.video-wrap img {
  width: 100%;
  max-width: 100%;
  height: 400px;
}
.video-column-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
}
.video-column-wrap .video-wrap { flex: 1; min-width: 280px; }
.video-column-wrap .video-wrap .video,
.video-column-wrap .video-wrap img { height: 230px; }

/* 选题方向：标题 + 下方展开卡片，点击标题展开/收起 */
.topic-direction-section .topic-direction-desc { margin-bottom: 24px; color: #38393a;  }
.topic-direction-core-box {
  margin-bottom: 20px;
  padding: 16px 20px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #f9f9f9;
}
.topic-direction-core-box p { margin: 0 0 8px;  }
.topic-direction-core-box .ul-wrap { margin: 0; }
.topic-direction-hint {
  margin-bottom: 12px;
  color: #38393a;
}
.topic-direction-wrap { margin-top: 40px;padding-left: 7px; }
.topic-direction-list {
  position: relative;
  padding-left: 24px;
}
.topic-direction-list::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: calc(100% - 48px);
  background: #d0d0d0;
}
.topic-direction-item-block {
  margin-bottom: 4px;
}
.topic-direction-item {
  position: relative;
  padding: 0 0 12px 16px;
  font-weight: bold;
  color: #38393a;
  cursor: pointer;
  transition: color 0.2s;
}
.topic-direction-item h2 {
  transform: translateY(-29%);
  margin-bottom: 0;
  font-size: var(--esp-font-size-h4) !important;
}
.topic-direction-item::before {
  content: '';
  position: absolute;
  left: -23px;
  top: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #1290D8;
  transform: translateX(-50%);
  transition: transform 0.2s, box-shadow 0.2s;
}
.topic-direction-item-block {
  margin-bottom: 20px;
}
.topic-direction-item-block:hover .topic-direction-item { color: #1290D8; }
.topic-direction-item-block:hover .topic-direction-item::before {
  transform: translateX(-50%) scale(1.2);
  box-shadow: 0 0 0 3px rgba(18, 144, 216, 0.3);
}
/* 点击展开：默认全部收起，点击标题切换当前项，同时仅展开一项 */
.topic-direction-card {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease-out;
}
.topic-direction-item-block.expanded .topic-direction-item { color: #38393a; }
.topic-direction-item-block.expanded .topic-direction-item::before {
  transform: translateX(-50%) scale(1.2);
  box-shadow: 0 0 0 3px rgba(18, 144, 216, 0.3);
}
.topic-direction-item-block.expanded .topic-direction-card {
  grid-template-rows: 1fr;
}
.topic-direction-card-content {
  min-height: 0;
  overflow: hidden;
}
.topic-direction-card .topic-card-inner {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 0 6px rgba(0,0,0,0.08);
  padding: 12px 24px 24px;
  margin: 4px 4px 40px 16px;
}
.topic-direction-card .topic-card-inner h3 {
  display: block;
  box-shadow: none;
  min-width: 100%;
  border-bottom: none;
  padding-top: 12px;
  margin-bottom: 16px;
  margin-top: 0;
}
.topic-direction-card .topic-card-gradient {
  height: 4px;
  border-radius: 0 0 12px 12px;
  background: linear-gradient(90deg, #7B2CBF 0%, #22AAA3 100%);
  margin: 0 0 4px 16px;
}
.topic-card-col {
  flex: 1;
  min-width: 160px;
}
.topic-card-title {
  color: #1290D8;
  font-weight: bold;
  margin: 0 0 10px;
}
.topic-card-sub { margin: 8px 0 4px; color: #555; }
.topic-direction-card p { margin: 0 0 16px; line-height: 1.5; color: #444; }
.topic-direction-card ul { margin: 4px 0 12px 20px; padding: 0; line-height: 1.6; color: #444; }
.topic-direction-card li { margin: 2px 0; }

@media (max-width: 768px) {
  .topic-direction-list { border-left: none; padding-left: 0; }
  .topic-direction-item::before { left: 1px; top: 0; }
  .topic-direction-card .topic-card-inner,
  .topic-direction-card .topic-card-gradient { margin-left: 0; }
}

@media (max-width: 1170px) {
  .main-wrap,
  .nav-tabs-wrap { width: 100%; padding: 0 20px; box-sizing: border-box; }
}
@media (max-width: 768px) {
  .header-banner { min-height: 320px; }
  .header-banner .banner-content .banner-content-item {
    text-align: center;
    padding: 0 16px;
  }
  .main-item { margin-top: 30px; }
  .overview-wrap { margin-top: 30px; }
  .hardware-cards { justify-content: center; }
  .hardware-card { max-width: 100%; }
  .example-cards .item + .item { margin-left: 0; margin-top: 1.5em; }
  .example-cards .item .item-img { margin: 0 auto; }
  .video-column-wrap .video-wrap { width: 100%; min-width: 100%; }
  .video-column-wrap .video-wrap .video,
  .video-column-wrap .video-wrap img { height: 220px; }
}

/* 云应用额度卡片 - 参考新布局 */
.cloud-quota-section {
  display: flex;
  gap: 32px;
  margin: 40px 0;
  align-items: stretch;
}

.cloud-quota-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid #e8e8e8;
  display: flex;
  flex-direction: column;
}
.cloud-quota-card {
  flex: 1;
}
.cloud-quota-card:first-child {
  flex: 0 0 56%;
  width: 100%;
}

.cloud-quota-card:hover {
  box-shadow: 0 8px 30px rgba(18, 144, 216, 0.15);
}

.cloud-quota-card .card-header {
  height: 80px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border-bottom: 2px solid #f0f0f0;
}

.cloud-quota-card .provider-logos {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  flex: 1;
}
.cloud-quota-card .provider-logos.justify-content-center {
  justify-content: center;
}

.cloud-quota-card .provider-logo {
  height: 40px;
  width: auto;
}
.cloud-quota-card .provider-logos span {
  display: flex;
  align-items: center;
}
.cloud-quota-card .provider-logos span  + span {
  margin-left: 12px;
}
.cloud-quota-card .provider-logos svg {
  position: static;
  height: 32px;
  width: auto;
}
 
.cloud-quota-card:first-child .provider-logos svg {
  position: static;
  height: 26px;
  width: auto;
}
.cloud-quota-card .header-badges {
  display: flex;
  gap: 8px;
  align-items: center;
}

.badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.badge-blue {
  background: linear-gradient(135deg, #1290D8 0%, #0d7ab8 100%);
  color: #fff;
}

.badge-green {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  padding: 5px 12px;
}

.badge-outline {
  background: transparent;
  border: 1.5px solid #1290D8;
  color: #1290D8;
  font-weight: 600;
}

.cloud-quota-card .card-body {
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cloud-quota-card .card-notice {
  padding: 16px 32px;
  background: linear-gradient(135deg, #fff8e1 0%, #fff3cd 100%);
  border-bottom: 1px solid #ffe082;
}

.cloud-quota-card .card-notice p {
  margin: 0;
  color: #856404;
  line-height: 1.6;
}

.cloud-quota-card .card-notice a {
  color: #1290D8 !important;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px dashed #1290D8;
  transition: all 0.2s ease;
}

.cloud-quota-card .card-notice a:hover {
  color: #0d7ab8 !important;
  border-bottom-color: #0d7ab8;
}

.cloud-quota-card .service-item {
  padding: 32px;
}

.cloud-quota-card .service-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, #e0e0e0 50%, transparent 100%);
  margin: 0 32px;
}

.cloud-quota-card .service-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.cloud-quota-card .service-title {
  color: #1a1a1a;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
  flex: 1;
  position: relative;
  padding-left: 16px;
}

.cloud-quota-card .service-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, #6775c3 0%, #859ce8 100%);
  border-radius: 2px;
}


/* 右侧卡片：上下布局 */
.cloud-quota-card:last-child .service-content {
  display: flex;
  flex-direction: column;
}

.cloud-quota-card .service-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cloud-quota-card .section-label {
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.cloud-quota-card .section-text {
  color: #4a5568;
  line-height: 1.8;
  margin: 0;
}

.cloud-quota-card .quota-info {
  margin-top : 20px;
  padding: 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #f9f9f9;
  position: relative;
  overflow: hidden;
}

.cloud-quota-card .quota-info::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
}


.cloud-quota-card .quota-note {
  color: #38393a;
  margin: 0;
  line-height: 1.625;
  position: relative;
  z-index: 1;
}


.cloud-quota-card .service-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
}

.cloud-quota-card .action-link {
  color: #1290D8 !important;
  text-decoration: none !important;
  transition: none !important;
  padding: 8px 16px;
  border-radius: 8px;
  background: #f8f9fa !important;
}

.cloud-quota-card .action-link:hover {
  color: #fff !important;
  background: #1290D8 !important;
}

.cloud-quota-card .phase-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cloud-quota-card .phase-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.cloud-quota-card .phase-item:hover {
  background: #f0f4f8;
  transform: translateX(4px);
}

.cloud-quota-card .phase-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(180deg, #6775c3 0%, #859ce8 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(18, 144, 216, 0.3);
}

.cloud-quota-card .phase-content {
  flex: 1;
}

.cloud-quota-card .phase-title {
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.cloud-quota-card .phase-tag {
  font-weight: 500;
  color: #64748b;
  background: #e2e8f0;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
}

.cloud-quota-card .phase-desc {
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 8px;
}

.cloud-quota-card .phase-desc strong {
  color: #1290D8;
  font-weight: 700;
}

.cloud-quota-card .phase-note {
  font-size: 13px;
  color: #94a3b8;
  font-style: italic;
  margin-top: 8px;
}
#other-resources .ul-wrap.related-technical-resources {
  display: block;
  padding-left: 0 !important;
}
#other-resources .ul-wrap.related-technical-resources li {
  line-height: 1.625;
}
#other-resources p {
  margin-bottom: 0;
  margin-top: 16px;
}
#other-wrap ul.ul-wrap {
  padding-left: 0;
}
#other-wrap h3 + ul {
  margin-top: 0;
}
.qr-main-wrap .flex-wrap {
  margin-top: 0;
  gap: 40px;
}
.qr-main-wrap .flex-wrap .item .item-img {
    box-shadow: 0 0 2px rgba(56, 57, 58, .3);
    border-radius: 8px;
    width: 190px;
    height: 190px;
    padding: 10px;
    box-sizing: border-box;
}
.qr-main-wrap .flex-wrap .item .item-img img {
    width: 100%;
    height: auto;
}
.qr-main-wrap .flex-wrap .item p {
    margin-bottom: 0;
    margin-top: 14px;
    text-align: center;
}

@media (max-width: 1170px) {
  .body-esp-iotcollege-socchina-page .flexslider .slides .esp-iotcollege-logo-wrap {
    padding-left: 20px;
    top: 30px;
  }
  .body-esp-iotcollege-socchina-page .flexslider .slides .esp-iotcollege-logo-wrap img.logo {
      height: 40px !important;
  }
}
@media (max-width: 768px) {
  .body-esp-iotcollege-socchina-page .flexslider .slides .esp-iotcollege-logo-wrap {
    display: none !important;
  }
  .qr-main-wrap .flex-wrap {
    gap: 20px;
  }
  .topic-direction-card-content {
    padding-left: 16px;
  }
  .topic-direction-list::before {
    height: calc(100% - 40px);
  }
  .swiper-example-app .swiper-button-prev, .swiper-example-app .swiper-button-next,
  .swiper-third-party .swiper-button-prev, .swiper-third-party .swiper-button-next {
    display: none !important;
  }
  .topic-direction-item h2 {
    transform: translateY(-22%);
  }
}

@media (max-width: 1024px) {
  .cloud-quota-section {
    grid-template-columns: 1fr;
    display: block;
  }
  .cloud-quota-section .cloud-quota-card + .cloud-quota-card {
    margin-top: 20px;
  }
  
  .cloud-quota-card:first-child .service-content {
    grid-template-columns: 1fr;
  }
  
  .cloud-quota-card:first-child .service-section:nth-child(2) {
    grid-column: 1;
    grid-row: 2;
  }
  
  .cloud-quota-card:first-child .service-actions {
    grid-row: 3;
  }
}

@media (max-width: 640px) {
  .cloud-quota-card .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
  }
  
  .cloud-quota-card .provider-logos {
    flex-wrap: wrap;
  }
  
  .cloud-quota-card .service-item {
    padding: 24px;
  }
  
  .cloud-quota-card .service-divider {
    margin: 0 24px;
  }
  
  .cloud-quota-card .phase-item {
    padding: 16px;
  }
}
@media (max-width: 460px) {
  .qr-main-wrap .flex-wrap {
    display: block;
  }
  .qr-main-wrap .flex-wrap .item {
    margin: 0 auto;
  }
  .qr-main-wrap .flex-wrap .item .item-img,
  .qr-main-wrap .flex-wrap .item .item-img img {
    margin: 0 auto;
  }
  .qr-main-wrap .flex-wrap .item + .item {
    margin-top: 20px;
  }
}

/* 开发板对比表格（横向布局） */
.board-comparison-table {
  min-width: 100px;
  table-layout: fixed;
  width: 100%;
}

.board-comparison-table th {
  text-align: center;
  font-weight: 600;
  background: transparent;
  vertical-align: middle;
  width: calc((100% - 80px) / 3) !important;
  min-width: calc((100% - 80px) / 3) !important;
}
.board-comparison-table tbody tr td {
  padding: 16px 14px;
}
.board-comparison-table th:nth-child(2) {
  width: 410px !important;
}

@media screen and (max-width: 11700px) {
  .board-comparison-table th:nth-child(2) {
    width: calc((100% - 80px) / 3) !important;
  }
}

.board-comparison-table tr th:first-child {
  color: #fff;
  width: 80px !important;
  max-width: 80px !important;
}

/* 保证数据列与表头列宽一致、三列平分 */
.board-comparison-table td:not(:first-child) {
  width: calc((100% - 80px) / 3) !important;
}

.board-comparison-table tr td:first-child {
  font-weight: 600 !important;
  text-align: center !important;
}

.board-comparison-table td {
  vertical-align: top;
  text-align: center;
}

.board-comparison-table td .img-wrap.small {
  padding: 16px 0;
  text-align: center;
}

.board-comparison-table td .img-wrap.small img {
  max-width: 120px;
  max-height: 140px;
  object-fit: contain;
}

.board-comparison-table td p {
  margin: 8px 0;
  text-align: center;
}

.board-comparison-table td a {
  color: #1290D8;
  font-weight: 600;
  text-decoration: none;
}

.board-comparison-table td a:hover {
  text-decoration: underline;
}

.board-comparison-table .param-list {
  text-align: left;
  padding: 0 16px;
  margin: 12px 0;
}

.board-comparison-table .param-list li {
  line-height: 1.625;
}

.board-comparison-table td strong {
  display: block;
  margin: 16px 0 8px 0;
  color: #333;
  font-size: 15px;
  text-align: left;
  padding: 0 16px;
}
.question-ul-wrap .ai-logo {
  position: absolute;
  bottom: 4px;
  margin-left: 6px;
  box-shadow: 0 3px 6px rgba(56, 56, 58, 0.3);
  background: #38393a;
  border-radius: 50%;
}
.question-ul-wrap li:first-child {
  margin-top: 30px;
}