body {
    background: url('https://www.zivcheng.cn/assets/defaultWallpaper.webp') no-repeat center center fixed;
    background-size: cover;
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
}
.container {
    background: rgb(255, 255, 255);
    max-width: 1200px;
    margin: 80px auto;
    padding-top: 10px;
    padding-bottom: 40px;
    border-radius: 18px;
    box-shadow: 0 4px 32px rgba(44,62,80,0.08);
}
h2 {
    font-weight: 700;
    color: #000000;
    letter-spacing: 1px;
    text-align: center;
    font-size: 2.1rem;
    margin-top: 32px;
    margin-bottom: 24px;
}
.dashboard-section {
    margin-top: 32px;
    background: #f7fbff;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(44,62,80,0.06);
    padding: 24px 18px;
    border: 1px solid #e3eaf2;
}
.kpi-card {
    min-width: 180px;
    margin: 10px;
    background: linear-gradient(135deg, #e3f0fc 0%, #d0e6fa 100%);
    border: none;
    box-shadow: 0 2px 8px rgba(44,62,80,0.08);
    border-radius: 14px;
    transition: transform 0.2s;
}
.kpi-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 6px 18px rgba(44,62,80,0.12);
}
.kpi-card h5 {
    font-size: 1.1rem;
    color: #000000;
    margin-bottom: 8px;
}
.display-6 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #000000;
}
.table {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 6px rgba(44,62,80,0.07);
}
.table thead th {
    background: #e3eaf2;
    color: #000000;
    font-weight: 600;
    border-bottom: 2px solid #b2bec3;
}
.table tbody tr:hover {
    background: #f1f2f6;
}
.btn-primary {
    background: linear-gradient(90deg, #1769aa 0%, #4fc3f7 100%);
    border: none;
    font-weight: 600;
    letter-spacing: 1px;
    box-shadow: 0 2px 8px rgba(9,132,227,0.08);
    border-radius: 8px;
    transition: background 0.2s;
}
.btn-primary:hover {
    background: linear-gradient(90deg, #4fc3f7 0%, #1769aa 100%);
}
.form-select, .form-control {
    border-radius: 8px;
    border: 1px solid #b2bec3;
    box-shadow: none;
    transition: border-color 0.2s;
    font-size: 1rem;
}
.form-select:focus, .form-control:focus {
    border-color: #000000;
}
label {
    font-weight: 500;
    color: #000000;
    margin-bottom: 6px;
    font-size: 1rem;
}
canvas {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 6px rgba(44,62,80,0.07);
    margin-bottom: 10px;
}
.hotel-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 12px 0;
}
.hotel-checkbox-label {
    width: 180px;
    display: flex;
    align-items: center;
    background: #f7fbff;
    border: 1px solid #e3eaf2;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(44,62,80,0.04);
    padding: 8px 16px;
    margin: 0;
    cursor: pointer;
    transition: box-shadow 0.2s, border-color 0.2s;
}
.hotel-checkbox-label:hover {
    border-color: #1769aa;
    box-shadow: 0 4px 12px rgba(44,62,80,0.08);
}
.hotel-checkbox {
    accent-color: #1769aa;
    margin-right: 8px;
    width: 18px;
    height: 18px;
}
.hotel-checkbox-label span {
    font-size: 1rem;
    color: #000000;
    font-weight: 500;
}
.filter-hotel-row {
  display: flex;
  align-items: flex-end;
  gap: 0px;
  flex-wrap: wrap;
  margin-bottom: 0px;
}
.filter-hotel-row label {
  font-weight: 500;
  color: #000000;
  margin-right: 1px;
  margin-bottom: 0;
}
.filter-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 32px;
}
.filter-col {
  flex: 0 0 calc(33.333% - 16px);
  min-width: 180px;
  max-width: 33.333%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
#filter-btn {
  height: 42px;
  font-size: 1.1rem;
}
@media (max-width: 900px) {
  .container {
    padding: 0 8px;
  }
  .dashboard-section {
    padding: 12px 4px;
  }
  .kpi-card {
    margin: 6px 0;
  }
  .filter-row {
    gap: 12px;
    flex-wrap: wrap;
  }
  .filter-col {
    min-width: 140px;
    max-width: 100%;
    flex: 1 1 220px;
  }
}
@media (max-width: 600px) {
  .container {
    padding: 0 4px;
  }
  .filter-row {
    flex-direction: column;
    gap: 10px;
  }
  .filter-col {
    min-width: 100%;
    max-width: 100%;
    flex: 1 1 100%;
  }
  .hotel-checkbox-group {
    flex-direction: column;
    gap: 10px;
  }
  .filter-hotel-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .filter-hotel-row label {
    margin-bottom: 4px;
  }
}
.filter-col label {
  margin-bottom: 6px;
}
#filter-btn {
  height: 42px;
  font-size: 1.1rem;
}
@media (max-width: 900px) {
  .filter-row {
    gap: 12px;
  }
  .filter-col {
    min-width: 140px;
  }
}
@media (max-width: 600px) {
  .filter-row {
    flex-direction: column;
    gap: 10px;
  }
  .filter-col {
    min-width: 100%;
  }
}
.dashboard-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 24px auto 24px auto;
    width: 100%;
    gap: 24px;
}
.dashboard-logo img {
    height: 64px;
    width: auto;
    max-width: 80px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.dashboard-title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 2px;
}
.dashboard-title-en {
    font-size: 1.07rem;
    font-weight: 700;
    color: #000000;
    letter-spacing: 2px;
    line-height: 1.1;
}
.dashboard-title-cn {
    font-size: 1.1rem;
    font-weight: 500;
    color: #000000;
    letter-spacing: 1px;
    line-height: 1.1;
}
@media (max-width: 600px) {
    .dashboard-logo {
        flex-direction: column;
        gap: 8px;
    }
    .dashboard-title-en {
        font-size: 1.1rem;
    }
    .dashboard-title-cn {
        font-size: 0.95rem;
    }
}
.dashboard-logo img {
    height: 64px;
    width: auto;
    max-width: 320px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
/* 新增：播放列表与播放器布局 */
.dashboard-content {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 16px;
}
.playlist-view {
  background: #ffffffaa;
  border: 1px solid #e3eaf2;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 2px 12px rgba(44,62,80,0.06);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.playlist-header {
  font-weight: 700;
  margin-bottom: 8px;
  color: #0d47a1;
}
.playlist-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: #f7fbff;
  border: 1px solid #e3eaf2;
  border-radius: 8px;
  color: #000;
  cursor: pointer;
  transition: all 0.2s ease;
}
.playlist-item:hover { border-color: #1769aa; box-shadow: 0 2px 8px rgba(44,62,80,0.08); }
.playlist-item.active { background: linear-gradient(135deg, #e3f0fc 0%, #d0e6fa 100%); border-color: #b3d1f5; }

.player-view { min-height: 400px; }
.player-panel { animation: fadein 150ms ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(4px);} to { opacity:1; transform: translateY(0);} }

/* 酒店弹窗优化 */
#hotel-modal .modal-body { max-height: 60vh; overflow-y: auto; }
#hotel-modal .hotel-checkbox-group { gap: 10px; }
#hotel-modal .hotel-checkbox-label { width: calc(33.333% - 10px); }
@media (max-width: 900px) {
  .dashboard-content { grid-template-columns: 220px 1fr; gap: 12px; }
  #hotel-modal .hotel-checkbox-label { width: calc(50% - 10px); }
}
@media (max-width: 600px) {
  .dashboard-content { grid-template-columns: 1fr; }
  .playlist-view { order: 2; }
  .player-view { order: 1; }
  #hotel-modal .hotel-checkbox-label { width: 100%; }
}