/* Dark theme */
.theme-dark .header-components-search__form,
html.dark .header-components-search__form,
body.dark-theme .header-components-search__form {
    background: rgba(30, 30, 30, 0.9);
}

.theme-dark .header-components-search__input,
html.dark .header-components-search__input,
body.dark-theme .header-components-search__input {
    color: #eee;
}

/* ============================================================
 * Layer 3: 图标卡片（模仿 zibll — 骑在 hero 底部边界线上）
 *
 * 关键技术：卡片在 DOM 中位于轮播之后，
 * 使用 margin-top: -40px 向上拉，使其骑在 hero 底部边界线上
 * ============================================================ */
.header-components-card {
    position: relative;
    z-index: 10;
    margin-top: -40px;
}

.header-components-card__container {
    max-width: var(--container, 1280px);
    margin: 0 auto;
    padding: 0 16px;
}

/* 卡片行：flex 水平排列 */
.header-components-card__row {
    display: flex;
    gap: 10px;
    padding-top: 4px; /* 为 hover 上浮留出空间 */
}

/* 每个卡片项等宽 */
.header-components-card__item {
    flex: 1;
    min-width: 0;
}

/* 共享背景模式：一个大卡片包裹 */
.header-components-card__wrap--shared {
    background: var(--surface-page);
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-line);
}

/* 独立背景模式：每个卡片有自己的背景 */
.header-components-card__item-bg {
    background: var(--surface-page);
    border-radius: 8px;
    padding: 12px 14px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-line);
    height: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-components-card__item-bg:hover {
    transform: none;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* 毛玻璃效果 */
.filter-blur .header-components-card__wrap--shared,
.filter-blur .header-components-card__item-bg {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: saturate(3) blur(20px);
    -webkit-backdrop-filter: saturate(3) blur(20px);
    border-color: rgba(255, 255, 255, 0.3);
}

.theme-dark .filter-blur .header-components-card__wrap--shared,
html.dark .filter-blur .header-components-card__wrap--shared,
body.dark-theme .filter-blur .header-components-card__wrap--shared,
.theme-dark .filter-blur .header-components-card__item-bg,
html.dark .filter-blur .header-components-card__item-bg,
body.dark-theme .filter-blur .header-components-card__item-bg {
    background: rgba(30, 30, 30, 0.75);
    border-color: rgba(255, 255, 255, 0.1);
}

/* ============================================================
 * 单个图标卡片样式（模仿 zibll icon-cover-card）
 * 结构：左侧圆形图标 + 右侧标题/描述
 * ============================================================ */
.icon-cover-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 6px;
    text-decoration: none;
    color: var(--color-ink);
    transition: background 0.15s ease;
}

a.icon-cover-card:hover {
    background: var(--surface-3);
    text-decoration: none;
    color: var(--color-ink);
}

/* 图标容器 — 圆形 */
.icon-cover-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    font-size: 18px;
    flex-shrink: 0;
}

/* 方形图标 */
.icon-cover-icon.radius4 {
    border-radius: 6px;
}

/* 图标颜色类（模仿 zibll 的调色板） */
.icon-cover-icon.c-blue {
    background: rgba(66, 133, 244, 0.12);
    color: #4285f4;
}
.icon-cover-icon.c-yellow {
    background: rgba(251, 188, 4, 0.12);
    color: #fbbc04;
}
.icon-cover-icon.c-green {
    background: rgba(52, 168, 83, 0.12);
    color: #34a853;
}
.icon-cover-icon.c-red {
    background: rgba(234, 67, 53, 0.12);
    color: #ea4335;
}
.icon-cover-icon.c-orange {
    background: rgba(255, 152, 0, 0.12);
    color: #ff9800;
}
.icon-cover-icon.c-cyan {
    background: rgba(0, 188, 212, 0.12);
    color: #00bcd4;
}
.icon-cover-icon.c-pink {
    background: rgba(233, 30, 99, 0.12);
    color: #e91e63;
}

/* 渐变图标背景 */
.icon-cover-icon.jb-cyan {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    color: #fff;
}
.icon-cover-icon.jb-green {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    color: #fff;
}
.icon-cover-icon.jb-orange {
    background: linear-gradient(135deg, #fa709a, #fee140);
    color: #fff;
}

/* 文字区 */
.icon-cover-desc {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.icon-cover-title {
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.icon-cover-subtitle {
    font-size: 11px;
    color: var(--color-ink-4);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

/* ============================================================
 * 响应式
 * ============================================================ */
@media (max-width: 767px) {
    .header-components-card {
        margin-top: -35px;
    }

    .header-components-card__row {
        flex-wrap: wrap;
        gap: 6px;
    }

    /* 移动端 2 列 */
    .header-components-card__item {
        flex: 0 0 calc(50% - 3px);
    }

    .header-components-card__item-bg {
        padding: 10px;
    }

    .header-components-card__wrap--shared {
        padding: 6px;
    }

    .icon-cover-card {
        gap: 6px;
        padding: 6px;
    }

    .icon-cover-icon {
        width: 32px;
        height: 32px;
        min-width: 32px;
        font-size: 14px;
    }

    .icon-cover-title {
        font-size: 12px;
    }

    .icon-cover-subtitle {
        display: none;
    }
}

@media (max-width: 480px) {
    .icon-cover-card {
        gap: 4px;
        padding: 2px;
    }

    .icon-cover-icon {
        width: 28px;
        height: 28px;
        min-width: 28px;
        font-size: 12px;
    }
}

/* ============================================================
 * Nav 透明模式（轮播可见时 nav 变透明）
 * ============================================================ */

/* ============================================================
 * Zibll-aligned text/search structure overrides
 * ============================================================ */
.header-components__content.slide-text {
    width: calc(100% - 32px);
    max-width: 920px;
    top: 42%;
    z-index: 12;
    padding-top: 0;
}

.header-components__content.slide-text .slide-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    line-height: 1.2;
    margin: 0 0 12px;
}

.header-components__content.slide-text .slide-desc {
    max-width: 680px;
    margin: 0 auto;
    font-size: clamp(0.9rem, 1.4vw, 1.125rem);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

.header-components-search {
    top: calc(50% + 56px);
    bottom: auto;
    max-width: 680px;
    padding: 0 20px;
    font-size: 16px;
}

.card-0 .header-components-search {
    top: calc(50% + 76px);
}

.header-components-search .search-input {
    max-width: 620px;
    margin: 0 auto;
}

.header-components-search .search-form {
    margin: 0;
    display: block;
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    transform: none;
}

.header-components-search .search-form:focus-within {
    box-shadow: none;
    transform: none;
}

.header-components-search .line-form {
    position: relative;
    border-radius: 100px;
    padding: 0.35em 1em;
    background: rgba(255, 255, 255, 0.82);
    color: #555;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
    -webkit-backdrop-filter: saturate(5) blur(20px);
    backdrop-filter: saturate(5) blur(20px);
}

.filter-blur .header-components-search .line-form {
    background: rgba(255, 255, 255, 0.75);
}

/* ===== Container-level blur: PC/Mobile split ===== */
@media (min-width: 768px) {
  .has-blur-pc .header-components-card__wrap--shared,
  .has-blur-pc .header-components-card__item-bg {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: saturate(3) blur(20px);
    -webkit-backdrop-filter: saturate(3) blur(20px);
    border-color: rgba(255, 255, 255, 0.3);
  }
  .has-blur-pc .header-components-search .line-form {
    background: rgba(255, 255, 255, 0.75);
  }
  .theme-dark .has-blur-pc .header-components-card__wrap--shared,
  html.dark .has-blur-pc .header-components-card__wrap--shared,
  .theme-dark .has-blur-pc .header-components-card__item-bg,
  html.dark .has-blur-pc .header-components-card__item-bg {
    background: rgba(30, 30, 30, 0.75);
    border-color: rgba(255, 255, 255, 0.1);
  }
}
@media (max-width: 767px) {
  .has-blur-mobile .header-components-card__wrap--shared,
  .has-blur-mobile .header-components-card__item-bg {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: saturate(3) blur(20px);
    -webkit-backdrop-filter: saturate(3) blur(20px);
    border-color: rgba(255, 255, 255, 0.3);
  }
  .has-blur-mobile .header-components-search .line-form {
    background: rgba(255, 255, 255, 0.75);
  }
  .theme-dark .has-blur-mobile .header-components-card__wrap--shared,
  html.dark .has-blur-mobile .header-components-card__wrap--shared,
  .theme-dark .has-blur-mobile .header-components-card__item-bg,
  html.dark .has-blur-mobile .header-components-card__item-bg {
    background: rgba(30, 30, 30, 0.75);
    border-color: rgba(255, 255, 255, 0.1);
  }
}