@charset "UTF-8";

:root {
  --case-blue: #0066ff;
  --case-text: #111827;
  --case-muted: #5d6878;
}

body {
  margin: 0;
  color: var(--case-text);
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.cases-container,
.cases-header-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.cases-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 2px 10px rgba(15, 38, 82, 0.08);
  backdrop-filter: blur(7px);
}

.cases-header-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cases-logo {
  width: 160px;
  height: 38px;
  flex: 0 0 auto;
  background: url("https://cdn.quanjingshuke.com/app/quanjingshuke/home/images/common/menu-logo.png") center / contain no-repeat;
}

.cases-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex: 1;
}

.cases-nav a,
.cases-login {
  color: #151515;
  font-size: 16px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.cases-nav a:hover,
.cases-nav .is-active {
  color: var(--case-blue);
}

.cases-login {
  padding: 10px 18px;
  color: #ffffff;
  border-radius: 18px;
  background: linear-gradient(90deg, #0066ff 0%, #6ba6ff 100%);
}

.cases-banner {
  min-height: 500px;
  background: url("https://cdn.quanjingshuke.com/app/quanjingshuke/solution/images/solution/banner.webp") center / cover no-repeat;
}

#cases-page #cases-banner {
  background-image: url("https://cdn.quanjingshuke.com/app/quanjingshuke/solution/images/solution/banner.webp");
}

.cases-banner-content {
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cases-banner h1,
.cases-banner p {
  margin: 0;
}

.cases-banner h1 {
  font-size: 50px;
  font-weight: 500;
  line-height: 1.3;
}

.cases-banner p {
  margin-top: 20px;
  color: var(--case-muted);
  font-size: 24px;
  line-height: 1.5;
}

.case-category {
  padding: 88px 0 80px;
  background: url("https://cdn.quanjingshuke.com/app/quanjingshuke/home/images/home/bg/anli.png") center / cover no-repeat;
}

.case-category:nth-of-type(odd) {
  background-image: url("https://cdn.quanjingshuke.com/app/quanjingshuke/home/images/home/bg/fangan.png");
}

.case-category h2 {
  margin: 0 0 56px;
  font-size: 40px;
  font-weight: 500;
  line-height: 1.25;
  text-align: center;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.case-card {
  position: relative;
  display: block;
  min-height: 230px;
  overflow: hidden;
  border-radius: 16px;
  background-position: center;
  background-size: cover;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 42, 111, 0.18);
}

.case-card-shade {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 76px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0) 100%);
}

.case-card-title {
  position: absolute;
  right: 56px;
  bottom: 22px;
  left: 22px;
  overflow: hidden;
  color: #ffffff;
  font-size: 16px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-card-icon {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72) url("https://cdn.quanjingshuke.com/app/quanjingshuke/home/images/common/vr-icon-zhengfangti.png") center / 50% no-repeat;
}

.case-category--manyou .case-card {
  min-height: 200px;
}

.case-category--bujinshi .case-grid,
.case-category--moxing .case-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.case-category--bujinshi .case-card,
.case-category--moxing .case-card,
.case-category--zhibo .case-card {
  min-height: 320px;
}

.case-category--huanwu .case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-category--huanwu .case-card {
  min-height: 280px;
}

.case-category--zhibo .case-grid {
  grid-template-columns: minmax(0, 1fr);
  max-width: 590px;
  margin: 0 auto;
}

.cases-footer {
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  text-align: center;
  background: #152238;
}

@media (max-width: 900px) {
  .cases-header-inner {
    gap: 20px;
  }

  .cases-nav {
    gap: 16px;
  }

  .cases-nav a {
    font-size: 14px;
  }

  .case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .cases-container,
  .cases-header-inner {
    width: min(100% - 32px, 1200px);
  }

  .cases-header-inner {
    min-height: 68px;
  }

  .cases-logo {
    width: 136px;
    height: 34px;
  }

  .cases-nav,
  .cases-login {
    display: none;
  }

  .cases-banner,
  .cases-banner-content {
    min-height: 400px;
  }

  .cases-banner h1 {
    max-width: 100%;
    font-size: 38px;
  }

  .cases-banner p {
    max-width: 290px;
    font-size: 18px;
  }

  .case-category {
    padding: 62px 0 56px;
  }

  .case-category h2 {
    margin-bottom: 36px;
    font-size: 30px;
  }

  .case-grid,
  .case-category--bujinshi .case-grid,
  .case-category--moxing .case-grid,
  .case-category--huanwu .case-grid {
    grid-template-columns: 1fr;
  }

  .case-card,
  .case-category--manyou .case-card,
  .case-category--bujinshi .case-card,
  .case-category--moxing .case-card,
  .case-category--huanwu .case-card,
  .case-category--zhibo .case-card {
    min-height: 230px;
  }
}