html {
  background: #f5f7fb;
}

body {
  color: #213047;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

.layui-card,
.layui-layer,
.layui-table-view,
.layui-form-select dl {
  border-radius: 8px !important;
}

.layui-card {
  border: 1px solid rgba(33, 48, 71, .08);
  box-shadow: 0 12px 30px rgba(33, 48, 71, .06);
}

.layui-card-header {
  border-bottom-color: rgba(33, 48, 71, .08);
  color: #213047;
  font-weight: 700;
}

.layui-btn {
  border-radius: 6px;
  box-shadow: none;
}

.layui-input,
.layui-textarea,
.layui-select {
  border-radius: 6px;
}

.landing-page {
  min-height: 100vh;
  overflow-x: hidden;
  background: #f7f9fc;
}

.landing-hero {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  background: #eef4fb;
}

.landing-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.landing-nav {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px;
}

.landing-brand {
  color: #16324f;
  font-size: 18px;
  font-weight: 800;
}

.landing-nav-actions {
  display: flex;
  gap: 10px;
}

.landing-copy {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  margin: 0 auto;
  padding: 86px 20px 64px;
}

.landing-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: #0f8b8d;
  font-size: 13px;
  font-weight: 700;
}

.landing-title {
  max-width: 760px;
  margin: 0;
  color: #10233d;
  font-size: 48px;
  line-height: 1.12;
  font-weight: 850;
}

.landing-subtitle {
  max-width: 700px;
  margin-top: 20px;
  color: #526276;
  font-size: 17px;
  line-height: 1.9;
}

.landing-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.landing-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 1120px;
  margin: -58px auto 0;
  padding: 0 20px;
  position: relative;
  z-index: 3;
}

.metric-tile,
.feature-tile,
.entry-card,
.zepp-card,
.qq-card,
.auth-card {
  border: 1px solid rgba(33, 48, 71, .08);
  border-radius: 8px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 18px 45px rgba(33, 48, 71, .08);
}

.metric-tile {
  padding: 18px;
}

.metric-value {
  color: #10233d;
  font-size: 24px;
  font-weight: 850;
}

.metric-label {
  margin-top: 4px;
  color: #65758a;
  font-size: 12px;
}

.landing-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 68px 20px;
}

.section-title {
  color: #10233d;
  font-size: 28px;
  font-weight: 850;
  margin-bottom: 12px;
}

.section-desc {
  color: #65758a;
  line-height: 1.9;
  max-width: 760px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.feature-tile {
  padding: 20px;
  min-height: 142px;
}

.feature-tile i {
  color: #0f8b8d;
  font-size: 28px;
}

.feature-tile h3 {
  margin: 14px 0 8px;
  color: #213047;
  font-size: 17px;
}

.feature-tile p {
  color: #66768a;
  line-height: 1.8;
  font-size: 13px;
}

.admin-skin {
  background: #f5f7fb;
}

.admin-skin .layui-layout-admin .layui-header,
.user-skin .layui-layout-admin .layui-header {
  background: #243046;
  box-shadow: 0 6px 18px rgba(16, 35, 61, .12);
}

.admin-skin .layui-layout-admin .layui-logo,
.user-skin .layui-layout-admin .layui-logo {
  color: #fff !important;
  box-shadow: none;
  font-weight: 800;
}

.admin-skin .layui-side,
.user-skin .layui-side {
  background: #10233d !important;
}

.admin-skin .layui-nav-tree,
.user-skin .layui-nav-tree {
  background: transparent;
}

.admin-skin .layui-nav-tree .layui-nav-item a,
.user-skin .layui-nav-tree .layui-nav-item a {
  color: rgba(255, 255, 255, .78);
}

.admin-skin .layui-nav-tree .layui-this > a,
.user-skin .layui-nav-tree .layui-this > a {
  background: #0f8b8d !important;
  color: #fff !important;
}

.admin-skin .layui-body,
.user-skin .layui-body {
  background: #f5f7fb;
}

.stat-card {
  padding: 20px;
  min-height: 96px;
}

.stat-value {
  color: #10233d;
  font-size: 28px;
  font-weight: 850;
}

.stat-label {
  color: #65758a;
  font-size: 12px;
}

.account-tabs .layui-tab-title {
  border-bottom-color: rgba(33, 48, 71, .08);
}

.account-tabs .layui-tab-title li {
  font-weight: 700;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 14px;
  background: #edf4f7;
}

.auth-card {
  width: 100%;
  max-width: 390px;
  padding: 30px;
}

.auth-title {
  margin-bottom: 24px;
  color: #10233d;
  text-align: center;
  font-size: 24px;
  font-weight: 850;
}

@media screen and (max-width: 900px) {
  .landing-title {
    font-size: 36px;
  }

  .landing-metrics,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media screen and (max-width: 520px) {
  .landing-hero {
    min-height: 600px;
  }

  .landing-copy {
    padding-top: 54px;
  }

  .landing-title {
    font-size: 31px;
  }

  .landing-metrics,
  .feature-grid {
    grid-template-columns: 1fr;
  }
}