/**
 * RI-首页模块 : 图文优化版（搜索框+移动端优化）
 * 独立CSS文件，支持浏览器缓存
 */

/* ===== 滑块容器 ===== */
.ri-slider-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  padding-top: 20px;
}

.ri-slider-container {
  width: 1440px;
  height: 480px;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .12);
}

/* ===== 左侧图片区 ===== */
.ri-slider-container .slider-left {
  position: absolute;
  inset: 0;
  cursor: pointer;
  overflow: hidden;
  z-index: 1;
}

.ri-slider-container .slider-left .bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity .45s ease;
}

.ri-slider-container .slider-left .bg-img.fade {
  opacity: 0;
}

.ri-slider-container .slider-left .desc-box {
  position: absolute;
  left: 40px;
  bottom: 30px;
  z-index: 2;
  max-width: 60%;
}

.ri-slider-container .slider-left h2 {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 10px;
  color: #fff;
  text-shadow: 0 4px 12px rgba(0, 0, 0, .8);
}

.ri-slider-container .slider-left p {
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
  color: rgba(255, 255, 255, .95);
  text-shadow: 0 3px 8px rgba(0, 0, 0, .7);
}

/* ===== 搜索框（毛玻璃 + 放大镜） ===== */
.ri-slider-container .ri-search-box {
  position: absolute;
  top: 74%;
  left: 60%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(560px, 60%);
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 5;
}

.ri-slider-container .ri-search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: #fff;
  font-size: 16px;
  padding: 6px 8px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .8);
}

.ri-slider-container .ri-search-box input::placeholder {
  color: rgba(255, 255, 255, .85);
  text-shadow: 0 1px 2px rgba(0, 0, 0, .8);
}

.ri-slider-container .ri-search-box .search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  cursor: pointer;
  transition: background .2s ease, transform .1s ease;
}

.ri-slider-container .ri-search-box .search-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.ri-slider-container .ri-search-box .search-btn:active {
  transform: scale(.96);
}

.ri-slider-container .ri-search-box .search-btn:focus {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

.ri-slider-container .ri-search-box svg {
  pointer-events: none;
}

/* ===== 右栏毛玻璃菜单 ===== */
.ri-slider-container .slider-right {
  position: absolute;
  top: 0;
  right: 0;
  width: 260px;
  height: 100%;
  background: rgba(0, 0, 0, .35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid rgba(255, 255, 255, .08);
  z-index: 3;
}

.ri-slider-container .slider-right .menu-item {
  color: #fff;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 16px;
  border-radius: 6px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .45);
  transition: background .25s ease, color .25s ease;
}

.ri-slider-container .slider-right .menu-item:hover,
.ri-slider-container .slider-right .menu-item.active {
  background: rgba(255, 255, 255, .25);
  color: #fff;
}

/* ===== 移动端优化 ===== */
@media (max-width: 992px) {
  .ri-slider-container {
    width: 95%;
    height: auto;
  }

  .ri-slider-container .slider-left {
    position: relative;
    height: 300px;
  }

  .ri-slider-container .slider-right {
    display: none !important;
  }

  .ri-slider-container .slider-left .desc-box {
    left: 20px;
    bottom: 20px;
    max-width: 80%;
  }

  .ri-slider-container .slider-left h2 {
    font-size: 20px;
    line-height: 1.3;
    margin-bottom: 6px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  }

  .ri-slider-container .slider-left p {
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  }

  .ri-slider-container .ri-search-box {
    top: 25%;
    left: 55%;
    width: 80%;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px) saturate(160%);
  }

  .ri-slider-container .ri-search-box input {
    font-size: 14px;
    padding: 4px 6px;
  }

  .ri-slider-container .ri-search-box .search-btn {
    width: 32px;
    height: 32px;
  }

  .ri-slider-container .ri-search-box svg {
    width: 16px;
    height: 16px;
  }
}