/* ===== Reset ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}
body {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
  font-size: 16px;
  color: #0A1633;
  background: #F8FAFF;
  line-height: 1.6;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
/* ===== Utilities ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
}
/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
  transition: all 150ms ease;
  cursor: pointer;
}
.btn svg {
  width: 18px;
  height: 18px;
}
.btn-primary {
  background: #1B6CFF;
  color: #fff;
  box-shadow: 0 8px 24px rgba(27, 108, 255, 0.25);
}
.btn-primary:hover {
  background: #0A4FCC;
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(27, 108, 255, 0.3);
}
/* ===== Color Utilities ===== */
.bg-blue {
  background: #E8F1FF;
}
.bg-blue svg {
  color: #1B6CFF;
}
.bg-cyan {
  background: #E6F9FF;
}
.bg-cyan svg {
  color: #00C2FF;
}
.bg-green {
  background: #E6FAF3;
}
.bg-green svg {
  color: #00C896;
}
.bg-purple {
  background: #F0EBFF;
}
.bg-purple svg {
  color: #7C5CFC;
}
.bg-orange {
  background: #FFF8E6;
}
.bg-orange svg {
  color: #FFB800;
}
.bg-red {
  background: #FFEAEA;
}
.bg-red svg {
  color: #FF4D4F;
}
/* ===== Solution Banner Backgrounds ===== */
.sol-banner-gov {
  background: linear-gradient(135deg, #1B6CFF 0%, #0A4FCC 100%);
}
.sol-banner-edu {
  background: linear-gradient(135deg, #7C5CFC 0%, #5B3FD6 100%);
}
.sol-banner-med {
  background: linear-gradient(135deg, #00C896 0%, #00A07A 100%);
}
.sol-banner-tour {
  background: linear-gradient(135deg, #FF9500 0%, #FF6B00 100%);
}
.sol-banner-media {
  background: linear-gradient(135deg, #FF4D8F 0%, #CC1A5C 100%);
}
/* ===== Fade-in Animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
main {
  /* ===== Pain Points Grid ===== */
  /* ===== Approach Grid ===== */
  /* ===== Results Grid ===== */
  /* ===== Case Showcase ===== */
  /* ===== Solution Block (Full Inline Display) ===== */
  /* ===== Responsive ===== */
}
main .banner {
  width: 100%;
  height: 300px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-image: url('/img/productPic/productBanner.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
main .banner .banner-title {
  color: #ffffff;
  font-size: 40px;
  font-weight: bold;
  margin-bottom: 24px;
}
main .banner .banner-subtitle {
  font-size: 18px;
  color: #C5D6E7;
}
main .painpoint-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
main .painpoint-card {
  background: #FFEAEA;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(255, 77, 79, 0.15);
}
main .painpoint-card .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 77, 79, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
main .painpoint-card .icon svg {
  width: 22px;
  height: 22px;
  color: #FF4D4F;
}
main .painpoint-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: #0A1633;
  margin-bottom: 8px;
}
main .painpoint-card p {
  font-size: 14px;
  color: #5A6378;
  line-height: 1.75;
}
main .approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
main .approach-card {
  background: #FFFFFF;
  border: 1px solid #F0F3F9;
  border-radius: 16px;
  padding: 24px;
  display: flex;
  gap: 16px;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}
main .approach-card:hover {
  border-color: #E8F1FF;
  box-shadow: 0 4px 12px rgba(10, 22, 51, 0.08);
}
main .approach-card .approach-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
main .approach-card .approach-card-icon svg {
  width: 24px;
  height: 24px;
}
main .approach-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: #0A1633;
  margin-bottom: 8px;
}
main .approach-card p {
  font-size: 14px;
  color: #5A6378;
  line-height: 1.75;
}
main .result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
main .result-card {
  background: #FFFFFF;
  border: 1px solid #F0F3F9;
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
main .result-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, #1B6CFF 0%, #00C2FF 100%);
  transform: scaleX(0);
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
}
main .result-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(10, 22, 51, 0.08);
}
main .result-card:hover::before {
  transform: scaleX(1);
}
main .result-card .num {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #1B6CFF 0%, #00C2FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
main .result-card .label {
  font-size: 14px;
  color: #5A6378;
  margin-top: 8px;
}
main .case-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}
main .case-showcase-left {
  background: #FFFFFF;
  border: 1px solid #F0F3F9;
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
main .case-showcase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
main .case-showcase-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 9999px;
  background: #E8F1FF;
  color: #1B6CFF;
  font-size: 12px;
  font-weight: 600;
}
main .case-showcase-metric {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, #1B6CFF 0%, #00C2FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
main .case-showcase-title {
  font-size: 24px;
  font-weight: 700;
  color: #0A1633;
  line-height: 1.4;
}
main .case-showcase-desc {
  font-size: 14px;
  color: #5A6378;
  line-height: 1.75;
}
main .case-showcase-btn {
  align-self: flex-start;
  margin-top: 8px;
}
main .case-showcase-right {
  height: 384px;
  position: relative;
}
main .case-showcase-img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  border-radius: 16px;
  object-fit: cover;
  display: block;
}
main .solution-block {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #F0F3F9;
  background: #fff;
  /* 配合锚点定位，留出 sticky header 的高度，防止内容被遮挡 */
  scroll-margin-top: 100px;
}
@media (max-width: 768px) {
  main .solution-block {
    scroll-margin-top: 84px;
  }
}
main .solution-block .solution-block-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 32px;
  color: #fff;
}
main .solution-block .solution-block-header .solution-block-icon {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
main .solution-block .solution-block-header .solution-block-icon svg {
  width: 40px;
  height: 40px;
  color: #fff;
}
main .solution-block .solution-block-title h2 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
main .solution-block .solution-block-title p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 12px;
}
main .solution-block .solution-block-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
main .solution-block .solution-block-tags span {
  padding: 4px 14px;
  border-radius: 9999px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-weight: 500;
}
main .solution-block .solution-block-body {
  padding: 32px;
}
main .solution-block .solution-block-section {
  margin-bottom: 32px;
}
main .solution-block .solution-block-section .solution-block-section:last-child {
  margin-bottom: 0;
}
main .solution-block .solution-block-subtitle {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 700;
  color: #0A1633;
  margin-bottom: 20px;
}
main .solution-block .solution-block-subtitle .solution-block-subtitle-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
main .solution-block .solution-block-subtitle .solution-block-subtitle-icon svg {
  width: 22px;
  height: 22px;
}
main .solution-block .solution-block-divider {
  height: 1px;
  background: #F0F3F9;
  margin: 40px 0;
}
@media (max-width: 768px) {
  main .solution-block-header {
    flex-direction: column;
    text-align: center;
  }
  main .painpoint-grid {
    grid-template-columns: 1fr;
  }
  main .approach-grid {
    grid-template-columns: 1fr;
  }
  main .result-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  main .case-showcase {
    grid-template-columns: 1fr;
  }
  main .case-showcase-right {
    height: auto;
  }
  main .case-showcase-visual,
  main .case-showcase-img {
    min-height: 200px;
  }
}