/* 车机外壳整体容器 */
  .car-screen-frame {
      position: relative;
      /* 金属渐变外边框 */
      background: linear-gradient(145deg, #4b5563, #1f2937 40%, #111827 100%);
      padding: 7px 9px 10px 9px;
      /* 【已减半】边框厚度：上 左右 下 */
      border-radius: 10px;
      /* 【已减半】圆角从 20px 减为 10px */
      /* 紧凑精致的微立体投影 */
      box-shadow:
          0 10px 22px rgba(0, 0, 0, 0.4),
          inset 0 1px 1px rgba(255, 255, 255, 0.35),
          inset 0 -1px 2px rgba(0, 0, 0, 0.6),
          0 0 0 1px #374151;
      /* 外层轮廓减为 1px */
      border: 0.5px solid rgba(255, 255, 255, 0.15);
      margin: 0 auto;
      max-width: 100%;
      width: 100%;
      transition: width 0.55s ease, transform 0.55s ease;
  }

  /* 车机屏幕内嵌层 */
  .car-screen-inner {
      position: relative;
      background: #000;
      border-radius: 6px;
      aspect-ratio: 16 / 9;
      /* 【已减半】内屏圆角 */
      overflow: hidden;
      box-shadow:
          inset 0 0 6px rgba(0, 0, 0, 0.8),
          0 0 0 1px rgba(0, 0, 0, 0.6);
  }

  /* 截图图片 */
  .car-screen-inner img.screen-img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: contain;
      border-radius: 5px;
      transition: width 0.55s ease, height 0.55s ease, transform 0.55s ease;
  }

  .car-screen-inner .screen-video {
      display: none;
      width: 100%;
      height: 100%;
      object-fit: contain;
      border-radius: 5px;
  }

  .car-screen-inner .screen-video.is-active {
      display: block;
  }

  .car-screen-frame.is-portrait {
      width: min(100%, 360px);
  }

  .car-screen-frame.is-portrait .car-screen-inner {
      aspect-ratio: 9 / 16;
  }

  .screen-rotate-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      padding: 9px 16px;
      border: 1px solid rgba(255, 255, 255, 0.28);
      border-radius: 999px;
      background: rgba(17, 24, 39, 0.9);
      color: #fff;
      font-size: 14px;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.3s ease;
  }

  .screen-rotate-btn:hover {
      background: #3056d3;
      transform: translateY(-2px);
  }

  .screen-rotate-btn:focus-visible {
      outline: 2px solid #fff;
      outline-offset: 3px;
  }

  .theme-preview-section {
      overflow: hidden;
      background: #f3f4fe;
      padding: 110px 0;
  }

  .ud-membership-btn .fa-gift {
      display: inline-block;
      animation: membership-gift-bounce 4s ease-in-out infinite;
  }

  @keyframes membership-gift-bounce {

      0%,
      12%,
      100% {
          transform: translateY(0) rotate(0deg);
      }

      4% {
          transform: translateY(-5px) rotate(-8deg);
      }

      8% {
          transform: translateY(0) rotate(8deg);
      }
  }

  @media (prefers-reduced-motion: reduce) {
      .ud-membership-btn .fa-gift {
          animation: none;
      }
  }

  .theme-preview-heading {
      margin: 0 auto 42px;
      max-width: 800px;
      text-align: center;
  }

  .theme-preview-heading .tag {
      display: inline-block;
      margin-bottom: 14px;
      padding: 5px 20px;
      background: var(--primary-color);
      color: var(--white);
      font-size: 14px;
      font-weight: 500;
  }

  .theme-preview-heading h2 {
      margin-bottom: 14px;
      color: var(--heading-color);
      font-size: 36px;
      font-weight: 700;
  }

  .theme-preview-heading p {
      margin: 0;
      color: var(--body-color);
      line-height: 1.8;
  }

  /* 强制禁止鼠标悬停或选中时暂停滚动 */
  .theme-track-wrap:hover .theme-track,
  .theme-track:hover,
  .theme-track-wrap.is-paused .theme-track {
      animation-play-state: running !important;
  }

  /* 主题卡片链接与手势样式 */
  .theme-card {
      cursor: pointer;
      text-decoration: none !important;
      color: inherit;
      display: block;
  }

  /* 1. 主题区域占满全屏宽度，左右设置 100px 间距 */
  .theme-preview-section .container {
      max-width: 100% !important;
      width: 100% !important;
      padding-left: 100px !important;
      padding-right: 100px !important;
  }

  /* 2. 移动端自适应防溢出 */
  @media (max-width: 767px) {
      .theme-preview-section .container {
          padding-left: 20px !important;
          padding-right: 20px !important;
      }
  }

  /* 2. 跑马灯容器：3% 范围透明渐变 */
  .theme-track-wrap {
      position: relative;
      overflow: hidden;
      -webkit-mask-image: linear-gradient(to right, transparent 0%, black 3%, black 97%, transparent 100%);
      mask-image: linear-gradient(to right, transparent 0%, black 3%, black 97%, transparent 100%);
  }

  /* 3. 左右两侧 3% 范围毛玻璃模糊遮罩 */
  .theme-track-wrap::before,
  .theme-track-wrap::after {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      width: 1%;
      z-index: 5;
      pointer-events: none;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
  }

  /* 左侧毛玻璃渐变 */
  .theme-track-wrap::before {
      left: 0;
      -webkit-mask-image: linear-gradient(to right, black, transparent);
      mask-image: linear-gradient(to right, black, transparent);
  }

  /* 右侧毛玻璃渐变 */
  .theme-track-wrap::after {
      right: 0;
      -webkit-mask-image: linear-gradient(to left, black, transparent);
      mask-image: linear-gradient(to left, black, transparent);
  }

  .theme-track-wrap {
      overflow: hidden;
      padding: 18px 0 28px;
  }

  .theme-track {
      display: flex;
      width: max-content;
      animation: theme-slide 34s linear infinite;
  }

  .theme-track-wrap:hover .theme-track,
  .theme-track-wrap.is-paused .theme-track {
      animation-play-state: paused;
  }

  .theme-card {
      width: 280px;
      flex: 0 0 280px;
      margin: 0 12px;
      overflow: hidden;
      border: 1px solid #e7ebf3;
      border-radius: 10px;
      background: var(--white);
      box-shadow: 0 8px 28px rgba(48, 86, 211, 0.1);
      cursor: pointer;
      transform: scale(1);
      transition: transform 0.35s ease, box-shadow 0.35s ease;
  }

  .theme-card:hover,
  .theme-card.is-selected {
      position: relative;
      z-index: 2;
      transform: scale(1.08);
      box-shadow: 0 18px 38px rgba(48, 86, 211, 0.22);
  }

  .theme-cover {
      width: 100%;
      height: 186px;
      padding: 0;
      background: #1d263b;
      transition: background-color 0.45s ease;
  }

  .theme-cover img {
      position: relative;
      z-index: 1;
      display: block;
      width: 100%;
      height: 100%;
      border-radius: 0;
      object-fit: contain;
  }

  .theme-cover::before {
      content: '';
      position: absolute;
      inset: -18px;
      background-image: var(--theme-preview-image);
      background-position: center;
      background-size: cover;
      filter: blur(18px);
      opacity: 0;
      transform: scale(1.08);
      transition: opacity 0.35s ease;
  }

  .theme-cover.has-preview-background {
      position: relative;
      background: #1d263b;
  }

  .theme-cover.has-preview-background::before {
      opacity: 0.8;
  }

  @keyframes theme-slide {
      from {
          transform: translateX(0);
      }

      to {
          transform: translateX(-50%);
      }
  }

  .theme-info {
      padding: 18px 20px 20px;
  }

  .theme-info h3 {
      margin-bottom: 5px;
      color: var(--heading-color);
      font-size: 18px;
      font-weight: 700;
  }

  .theme-info p {
      min-height: 44px;
      margin: 0;
      color: var(--body-color);
      line-height: 1.7;
  }

  .theme-meta span {
      display: inline-flex;
      align-items: center;
      gap: 5px;
  }

  .theme-meta i {
      color: var(--primary-color);
      font-size: 14px;
  }

  .ud-pricing-body li {
      display: flex;
      align-items: center;
      gap: 8px;
      text-align: left;
  }

  .pricing-type-icon {
      display: block;
      width: 96px;
      height: 42px;
      margin: 0 auto 8px;
      object-fit: contain;
  }

  .ud-pricing-body li .pricing-feature-icon {
      flex: 0 0 18px;
      color: var(--primary-color);
      font-size: 17px;
      text-align: center;
  }

  .ud-single-pricing.active .ud-pricing-body li .pricing-feature-icon {
      color: var(--white);
  }

  @media (max-width: 767px) {
      .theme-card {
          width: 250px;
          flex-basis: 250px;
      }
  }

  /* 屏幕表面微光反射 */
  .car-screen-inner::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 40%;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0) 100%);
      pointer-events: none;
  }

  /* 底部超细微指示灯 */
  .car-screen-frame::after {
      content: '';
      position: absolute;
      bottom: 4px;
      /* 【已减半】位置贴近底部 */
      left: 50%;
      transform: translateX(-50%);
      width: 18px;
      /* 【已减半】指示灯宽度 */
      height: 2px;
      /* 【已减半】指示灯厚度 */
      background: rgba(255, 255, 255, 0.25);
      border-radius: 1px;
  }