:root {
  --bg: #ffffff;
  --text: #181818;
  --muted: #6b7280;
  --primary: #1366ec;
  --accent: #ff6a00;
  --line: #e9e9e9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: 100%;
  max-width: 1838px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  box-sizing: border-box;
}

.hero {
  background: linear-gradient(
    120deg,
    #e1fcff,
    #bfd4ff 37.79%,
    #dec5ff 75.81%,
    #d2d6ff
  );
}

.hero-bg {
  background: radial-gradient(100% 140% at 60% -10%, #fff0, #fff 75%);
  padding: 72px 0 48px;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: 44px;
  line-height: 56px;
  font-weight: 600;
}

.hero h1 .brand {
  background: linear-gradient(48deg, #ec138a 0%, #8e13ec 48%, #1366ec 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .sub {
  margin: 0;
  font-size: 44px;
  line-height: 56px;
  font-weight: 600;
}

.hero-actions {
  margin-top: 28px;
}

.btn {
  display: inline-block;
  width: 160px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  text-decoration: none;
  font-size: 16px;
  margin: 0 8px;
}

.btn-primary {
  color: #fff;
  background: var(--accent);
}

.btn-ghost {
  color: #3d495c;
  border: 1px solid #9ca4af;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 34px;
  text-align: left;
}

.hero-features h3 {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 26px;
  line-height: 28px;
  font-weight: 300;
}

.hero-features p {
  margin: 0;
  font-size: 12px;
  line-height: 20px;
  color: rgba(24, 24, 24, 0.8);
}

.pricing {
  padding: 18px 0 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 597px);
  gap: 24px;
}

.card {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ai-card {
  position: relative;
}

.ai-tag {
  position: absolute;
  left: 0;
  top: -15px;
  width: 74px;
  height: 28px;
  background-image: url("../images/O1CN01C0sT8Y20RyxreUKmD_!!6000000006847-2-tps-292-112.png");
  background-size: cover;
  background-repeat: no-repeat;
  color: #ffffff;
  font-size: 14px;
  line-height: 28px;
  text-align: left;
  padding-left: 10px;
  box-sizing: border-box;
}

.card-top {
  background: #fff;
  padding: 32px 24px 20px;
  min-height: 440px;
}

.card-top h4 {
  margin: 0;
  font-size: 18px;
  line-height: 28px;
}

.card-top .desc {
  margin: 8px 0 22px;
  font-size: 14px;
  line-height: 24px;
  color: #3d3d3d;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
  margin-bottom: 16px;
}

.spec-item {
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.spec-item small {
  display: block;
  color: #3d3d3d;
  font-size: 12px;
  line-height: 20px;
}

.spec-item strong {
  font-size: 14px;
  line-height: 28px;
}

.price {
  color: var(--accent);
  font-size: 36px;
  font-weight: 500;
}

.price span {
  font-size: 14px;
  color: #000;
  font-weight: 400;
}

.price-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.discount {
  color: #8c8c8c;
  font-size: 12px;
  margin: 6px 0 10px;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.card-actions a {
  text-decoration: none;
  text-align: center;
  font-size: 14px;
  line-height: 32px;
  height: 32px;
}

.card-actions .buy {
  background: var(--accent);
  color: #fff;
}

.card-actions .cart {
  border: 1px solid #d8d8d8;
  color: #3d3d3d;
}

.card-bottom {
  background: #fafafa;
  padding: 16px 24px 22px;
}

.cap-title {
  margin: 12px 0 6px;
  font-size: 16px;
  line-height: 24px;
  padding-left: 22px; /* 留出左侧小图标的位置 */
  position: relative;
}

.cap-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background-image: url("../images/O1CN01CxGged1bPMJAumCkp_!!6000000003457-2-tps-192-192.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.cap-list {
  margin: 0;
  padding-left: 6px;
  list-style: none;
}

.cap-list li {
  font-size: 14px;
  line-height: 24px;
  position: relative;
  padding-left: 16px;
}

.cap-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: #1366ec;
}

.section {
  padding: 60px 0;
}

.section.gray {
  background: #fafafa;
}

.section-industry {
  padding: 46px 0 60px;
  background: transparent;
  width: 100%;
  max-width: none;
}

.section-industry .blue-band {
  margin-top: 0;
}

.section h2 {
  margin: 0 0 24px;
  text-align: center;
  font-size: 42px;
  line-height: 51px;
  font-weight: 500;
}

.section-desc {
  margin: 0 auto 40px;
  max-width: 1289px;
  text-align: center;
  font-size: 16px;
  line-height: 24px;
  color: #181818;
}

.news-wrap {
  display: grid;
  grid-template-columns: minmax(280px, 460px) minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
}

.news-feature {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 232px;
  padding: 32px 36px 36px;
  background-color: #fff;
  background-image: url("../images/news-ai-feature-bg.png");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: cover;
  border: 1px solid var(--line);
  box-sizing: border-box;
}

.news-feature__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  margin: 0 0 18px;
  padding: 5px 12px;
  border-radius: 4px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  font-weight: 500;
}

.news-feature__badge-icon {
  flex-shrink: 0;
  opacity: 0.95;
}

.news-feature h3 {
  margin: 0 0 14px;
  max-width: 52%;
  font-size: 28px;
  line-height: 38px;
  font-weight: 600;
  color: var(--text);
}

.news-feature p {
  margin: 0;
  max-width: 52%;
  font-size: 14px;
  line-height: 22px;
  color: #666;
}

.placeholder {
  width: 100%;
  background: linear-gradient(135deg, #dce8ff, #eef4ff);
  border: 1px solid #d8e4ff;
}

img.placeholder {
  display: block;
  object-fit: cover;
  background: none;
}

.p-232 {
  height: 232px;
}

.p-400 {
  height: 400px;
}

.p-207 {
  height: 207px;
}

.p-544 {
  height: 544px;
}

.news-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  background: #fff;
  min-width: 0;
}

.news-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 116px;
  padding: 22px 28px 24px 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
  transition: background 0.15s ease;
}

.news-item:hover {
  background: #fafbfc;
}

.news-item:nth-child(2n) {
  border-right: none;
}

.news-item:nth-child(n + 3) {
  border-bottom: none;
}

.news-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 12px;
}

.news-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 2px;
  background: #f0f2f5;
  color: #5c6373;
  font-size: 12px;
  line-height: 18px;
}

.news-item__date {
  font-size: 12px;
  line-height: 18px;
  color: #999;
}

.news-item__title {
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  color: var(--text);
}

.scene {
  background: linear-gradient(180deg, #edf4ff 0%, #f7fbff 100%);
  padding: 0 0 0 24px;
  display: grid;
  grid-template-columns: 510px 1fr;
  gap: 24px;
  height: 697px;
}

.scene-panel[hidden] {
  display: none !important;
}

.scene-content {
  padding-top: 176px;
}

.scene-content h3 {
  margin: 0;
  font-size: 30px;
  line-height: 60px;
  font-weight: 600;
  color: #3d3d3d;
}

.scene-content p {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 2;
  color: #3d3d3d;
}

.scene-core-title {
  margin: 32px 0 16px;
  font-size: 16px;
  line-height: 24px;
  color: #181818;
}

.scene-core-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.scene-content p + .scene-core-list {
  margin-top: 28px;
}

.scene-core-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 21px;
  color: #575757;
}

.scene-core-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #1366ec;
  font-size: 22px;
  line-height: 21px;
  font-weight: 600;
}

.scene-actions {
  margin-top: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.scene-actions .btn {
  width: 182px;
  height: 48px;
  line-height: 48px;
  margin: 0;
  font-size: 14px;
  font-weight: 500;
}

.scene-actions .btn-primary {
  background: linear-gradient(90deg, #1f7aff 0%, #1366ec 100%);
}

.scene-actions .btn-ghost {
  border: 0;
  color: #1366ec;
  width: auto;
  padding: 0 10px;
}

.scene-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.scene-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  background: #f3f4ff;
  color: #5b5fe3;
  font-size: 14px;
  border-radius: 2px;
}

.scene-panel .placeholder.p-400 {
  height: 100%;
}

.tabs {
  margin: 0 0 18px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.tabs .tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid #dbe8ff;
  padding: 10px 40px;
  font-size: 14px;
  background: #ffffff;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}

.tabs .tab.active {
  background: #1366ec;
  color: #fff;
}

.tabs .tab::after {
  content: "";
  position: static;
  width: 16px;
  height: 16px;
  background-image: url("../images/O1CN01CxGged1bPMJAumCkp_!!6000000003457-2-tps-192-192.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.adv-item {
  display: grid;
  grid-template-columns: 696px 1fr;
  gap: 24px;
  margin-top: 24px;
}

.adv-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px 0 50px;
}

.adv-copy h3 {
  font-size: 26px;
  margin-bottom: 20px;
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: #1366ec;
  font-size: 14px;
  line-height: 20px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.more-link:hover {
  color: #0d52c4;
}

.more-link:focus-visible {
  outline: 2px solid #1366ec;
  outline-offset: 2px;
  border-radius: 2px;
}

.more-link::after {
  content: "";
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' fill='%231366ec'%3E%3Cpath fill-rule='evenodd' d='M10.29296875 25.2929077L19.58585875 16.0000077L10.29296875 6.7071177L11.70717875 5.2929077L22.41426875 16.0000077L11.70717875 26.7071077L10.29296875 25.2929077Z'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 0.2s ease;
}

.more-link:hover::after {
  transform: translateX(4px);
  filter: brightness(0.88);
}

.blue-band {
  margin-top: 46px;
  background: #1366ec;
  color: #fff;
  padding: 0;
}

.blue-band__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 30px 100px 0;
}

.blue-band__figure {
  flex: 0 0 auto;
  width: 300px;
  max-width: 42%;
  height: auto;
  display: block;
  object-fit: contain;
}

.blue-band__text {
  flex: 1;
  min-width: 0;
}

.blue-band__text h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
}

.blue-band__text p {
  margin: 0;
  font-size: 14px;
  line-height: 24px;
  opacity: 0.95;
}

.safe-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.safe-card {
  border: 1px solid #efefef;
  background: #fff;
}

.safe-card .text {
  padding: 20px;
}

.safe-card .text h3 {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 22px;
  font-weight: 600;
  color: #181818;
}

.safe-card .text p {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: #999;
}

.safe-card .text p + p {
  margin-top: 12px;
}

.safe-card .text strong {
  color: #999;
  font-weight: 600;
}

.case {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.case-accordion {
  border: 1px solid #e8e8e8;
  background: #fff;
}

.case-item {
  border-bottom: 1px solid #e8e8e8;
}

.case-item:last-child {
  border-bottom: 0;
}

.case-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 18px;
  border: 0;
  background: #f5f6f8;
  color: #181818;
  font-size: 16px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.case-num {
  font-size: 14px;
  color: #8c8c8c;
}

.case-item.is-active .case-head {
  background: #1366ec;
  color: #fff;
}

.case-item.is-active .case-num {
  color: rgba(255, 255, 255, 0.9);
}

.case-body {
  padding: 0 18px 18px;
  background: #1366ec;
  color: #fff;
  height: 228px;
}

.case-item:not(.is-active) .case-body {
  display: none;
}

.case-logo {
  display: block;
  max-height: 44px;
  width: auto;
  margin-bottom: 12px;
  object-fit: contain;
  object-position: left center;
}

.case-body p {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: rgba(255, 255, 255, 0.95);
}

.case-visual {
  border: 1px solid #e8e8e8;
  background: #f5f6f8;
  overflow: hidden;
}

.case-visual__img {
  display: block;
  width: 100%;
  height: 544px;
  object-fit: cover;
}

@media (max-width: 1919px) {
  .cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .news-wrap {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.35fr);
  }

  .scene {
    grid-template-columns: minmax(280px, 46%) minmax(0, 1fr);
    height: auto;
    min-height: 520px;
  }

  .adv-item {
    grid-template-columns: minmax(280px, 48%) minmax(0, 1fr);
  }

  .case {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    width: 100%;
    padding: 0 12px;
  }

  .hero {
    padding: 36px 0 24px;
  }

  .hero h1 {
    font-size: 26px;
    line-height: 36px;
  }

  .hero .sub {
    font-size: 18px;
    line-height: 28px;
    margin-top: 6px;
  }

  .hero-actions {
    margin-top: 18px;
  }

  .btn {
    width: 46%;
    min-width: 130px;
    margin: 0 4px 8px;
  }

  .hero-features {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 22px;
  }

  .hero-features h3 {
    font-size: 22px;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .card {
    width: 100%;
  }

  .ai-tag {
    left: 0;
    width: 74px;
    height: 28px;
    line-height: 28px;
    font-size: 13px;
    padding-left: 8px;
  }

  .card-top {
    min-height: 0;
    padding: 20px 14px 16px;
  }

  .card-bottom {
    padding: 14px;
  }

  .spec-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .price {
    font-size: 30px;
  }

  .section {
    padding: 36px 0;
  }

  .section h2 {
    font-size: 28px;
    line-height: 36px;
    margin-bottom: 18px;
  }

  .section-desc {
    font-size: 14px;
    line-height: 22px;
    margin-bottom: 24px;
  }

  .news-wrap,
  .scene,
  .adv-item,
  .safe-grid,
  .case {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .news-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .news-feature {
    min-height: 220px;
    padding: 22px 18px 26px;
  }

  .news-feature h3 {
    font-size: 22px;
    line-height: 30px;
  }

  .news-feature h3,
  .news-feature p {
    max-width: 100%;
  }

  .news-item {
    min-height: 92px;
    padding: 16px;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .news-item:nth-child(n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .news-item:last-child {
    border-bottom: none;
  }

  .tabs {
    text-align: left;
    margin-bottom: 12px;
  }

  .tabs .tab {
    margin: 0 6px 8px 0;
    padding: 8px 12px;
    font-size: 13px;
    gap: 6px;
  }

  .scene {
    padding: 14px;
    height: auto;
  }

  .scene-content {
    padding-top: 20px;
  }

  .scene-content h3 {
    font-size: 34px;
    line-height: 44px;
  }

  .scene-content p {
    font-size: 20px;
    line-height: 34px;
  }

  .scene-core-title {
    margin: 20px 0 12px;
    font-size: 24px;
  }

  .scene-core-list {
    gap: 14px;
  }

  .scene-core-list li {
    font-size: 18px;
    line-height: 24px;
    padding-left: 22px;
  }

  .scene-actions {
    margin-top: 24px;
    gap: 12px;
  }

  .scene-actions .btn {
    width: 140px;
    height: 42px;
    line-height: 42px;
    font-size: 18px;
  }

  .adv-item {
    margin-top: 12px;
  }

  .blue-band {
    margin-top: 18px;
  }

  .blue-band__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .blue-band__figure {
    width: 100%;
    max-width: 100%;
  }

  .blue-band__text h3 {
    font-size: 18px;
    line-height: 26px;
  }

  .blue-band__text p {
    font-size: 13px;
    line-height: 22px;
  }

  .safe-card .text {
    padding: 14px;
  }

  .case-visual__img {
    height: 280px;
  }
}
