/* ========================================
   壁纸模块样式 - 参考3gbizhi设计
   ======================================== */

/* --- 壁纸单页 --- */
.wallpaper-single-wrapper {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 0px 0;
    display: flex;
    flex-direction: column;
}

/* 上方双栏区域 */
.wallpaper-top-section {
    display: flex;
    gap: 38px;
    margin-bottom: 30px;
    max-width: 1380px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* 左栏：壁纸展示 */
.wallpaper-left-col {
    flex: 1;
    min-width: 0;
}

/* 右栏：壁纸信息 */
.wallpaper-right-col {
    width: 340px;
    flex-shrink: 0;
}

/* 下方区域：更多壁纸 */
.wallpaper-bottom-section {
    max-width: 1400px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    margin-top: -45px;
}
.wallpaper-bottom-section .wallpaper-bottom-recommend {
    width: 100%;
}

/* 右边栏小工具 */
.wallpaper-sidebar-widgets {
    margin-top: 20px;
}
.wallpaper-sidebar-widgets .widget {
    margin-bottom: 20px;
    padding: 16px;
    background: var(--b2-background-color, #fff);
    border: 1px solid var(--b2-line-color, #f0f0f0);
    border-radius: 10px;
}

/* 壁纸归档页全屏 */
.wallpaper-full-width {
    max-width: 100%;
}
.wallpaper-full-width .waterfall-grid,
.wallpaper-full-width .wallfall-skeleton {
    column-count: 5;
}

.wallpaper-detail {
    padding: 10px;
}

/* 面包屑 */
.wallpaper-breadcrumb {
    font-size: 13px;
    color: var(--b2-text-color-3, #999);
    margin-bottom: 20px;
    line-height: 1.8;
}
.wallpaper-breadcrumb a {
    color: var(--b2-text-color-2, #666);
    text-decoration: none;
    transition: color 0.2s;
}
.wallpaper-breadcrumb a:hover {
    color: var(--b2-color, #ff0044);
}
.wallpaper-breadcrumb .separator {
    margin: 0 6px;
    color: var(--b2-text-color-4, #ccc);
}
.wallpaper-breadcrumb .current {
    color: var(--b2-text-color, #333);
}

/* 壁纸信息面板 */
.wallpaper-info-panel {
    padding: 24px;
    position: sticky;
    top: 80px;
}

/* 壁纸元信息 - 表格样式参考3gbizhi */
.wallpaper-meta-info {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 24px;
    border: 1px solid var(--b2-line-color, #f0f0f0);
    border-radius: 10px;
    overflow: hidden;
}

.bz_size_show {
    display: flex;
    align-items: center;
    font-size: 13px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--b2-line-color, #f0f0f0);
}
.bz_size_show:last-child {
    border-bottom: none;
}
.bz_size_show .tit {
    color: var(--b2-text-color-3, #999);
    white-space: nowrap;
    min-width: 72px;
    flex-shrink: 0;
}
.bz_size_show .sizes {
    color: var(--b2-text-color, #333);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

/* 分辨率等级颜色 */
.icon-size-color-4k { color: #ff3b30; font-weight: 700; }
.icon-size-color-2k { color: #ff9500; font-weight: 700; }
.icon-size-color-1k { color: #34c759; font-weight: 700; }
.icon-size-color-sd { color: #8e8e93; }

.dynamic-badge {
    background: linear-gradient(135deg, #ff0044, #ff9500);
    color: #fff !important;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.wallpaper-cat-link,
.wallpaper-tag-link {
    display: inline-block;
    padding: 3px 10px;
    background: var(--b2-hover-bg, #f5f5f5);
    border-radius: 12px;
    font-size: 12px;
    color: var(--b2-text-color-2, #666);
    text-decoration: none;
    transition: all 0.2s;
    margin: 2px;
}
.wallpaper-cat-link:hover,
.wallpaper-tag-link:hover {
    background: var(--b2-color, #ff0044);
    color: #fff;
}

.wallpaper-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.wallpaper-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.wallpaper-color-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.2s;
}
.wallpaper-color-link:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 2px var(--b2-color, #ff0044);
}
.color-dot {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(0,0,0,0.1);
    flex-shrink: 0;
}

/* 下载按钮区域 */
.wallpaper-download-actions.b2-widget-download {
    margin-bottom: 20px;
}

.wallpaper-download-actions.b2-widget-download .b2-widget-box {
    padding: 0;
}

.wallpaper-download-actions.b2-widget-download .w-d-role ul li {
    display: flex;
    padding: 10px 0;
    font-size: 12px;
    justify-content: space-between;
}

.wallpaper-download-actions.b2-widget-download .w-d-download span button {
    background: linear-gradient(135deg, var(--b2-color, #ff0044), #ff9500);
    color: #fff !important;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
    padding: 10px 28px;
    transition: all 0.3s;
    cursor: pointer;
    text-align: center;
}

.wallpaper-download-actions.b2-widget-download .w-d-download span button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

/* 壁纸描述 */
.wallpaper-description {
    padding: 16px 0;
    border-top: 1px solid var(--b2-line-color, #f0f0f0);
    color: var(--b2-text-color-2, #666);
    font-size: 14px;
    line-height: 1.8;
}
.wallpaper-excerpt {
    margin-bottom: 12px;
    color: var(--b2-text-color-2, #666);
}

/* 手机预览框架 */
.wallpaper-phone-preview-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.wallpaper-phone-preview {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 手机壁纸左右导航按钮 */
.wallpaper-side-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 8px;
    border-radius: 12px;
    background: var(--b2-background-color, #fff);
    border: 1px solid var(--b2-line-color, #e5e5e5);
    color: var(--b2-text-color-2, #666);
    text-decoration: none;
    transition: all 0.3s;
    min-width: 60px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.wallpaper-side-nav:hover {
    border-color: var(--b2-color, #ff0044);
    color: var(--b2-color, #ff0044);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.15);
    transform: scale(1.05);
}
.wallpaper-side-nav svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}
.wallpaper-side-nav img {
    width: 48px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}
.wallpaper-side-nav video {
    width: 48px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}
.wallpaper-side-nav.disabled {
    visibility: hidden;
    pointer-events: none;
}

.phone-frame-wrapper {
    position: relative;
    width: 280px;
    height: 570px;
}

.phone-frame {
    position: relative;
    width: 100%;
    height: 100%;
}

.phone-frame-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.phone-screen {
    position: absolute;
    top: 2px;
    left: 13px;
    right: 13px;
    bottom: 8px;
    border-radius: 30px;
    overflow: hidden;
    z-index: 1;
    background: #000;
}

.phone-wallpaper-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.phone-wallpaper-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.phone-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.phone-overlay-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 电脑壁纸原图预览 */
.desktop-wallpaper-preview {
    max-width: 100%;
    max-height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #1a1a1a;
    border-radius: 0;
}
.desktop-wallpaper-preview img {
    max-width: 100%;
    max-height: 600px;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* 手机壁纸原图预览 */
.mobile-wallpaper-preview {
    max-width: 400px;
    margin: 0 auto;
}
.mobile-wallpaper-preview img {
    max-width: 100%;
    height: auto;
}

/* 预览模式按钮 */
.preview-mode-buttons {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.style-btn-lock,
.style-btn-home,
.style-btn-clear {
    padding: 8px 18px;
    border: 1px solid var(--b2-line-color, #e5e5e5);
    border-radius: 20px;
    background: var(--b2-background-color, #fff);
    color: var(--b2-text-color-2, #666);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.25s;
    white-space: nowrap;
}
.style-btn-lock:hover,
.style-btn-home:hover,
.style-btn-clear:hover {
    border-color: var(--b2-color, #ff0044);
    color: var(--b2-color, #ff0044);
}
.style-btn-lock.active,
.style-btn-home.active,
.style-btn-clear.active {
    background: var(--b2-color, #ff0044);
    border-color: var(--b2-color, #ff0044);
    color: #fff;
}

/* 原图展示 */
.wallpaper-original-section {
    margin: 20px 0;
}

.wallpaper-original-img {
    text-align: center;
    border-radius: 0;
    overflow: hidden;
    background: rgb(255 255 255 / 0%);
    min-height: 200px;
    position: relative;
}
.wallpaper-original-img img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    -webkit-user-drag: none;
    user-select: none;
    -webkit-user-select: none;
    pointer-events: auto;
}

/* 动态壁纸视频 */
.wallpaper-video-section {
    margin: 20px 0;
}
.wallpaper-video-wrapper {
    border-radius: 0;
    overflow: hidden;
    background: #000;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
}
.wallpaper-video-wrapper video {
    width: 100%;
    display: block;
    max-height: 700px;
    object-fit: contain;
    background: #000;
    -webkit-user-drag: none;
    user-select: none;
    -webkit-user-select: none;
}
.wallpaper-main-video {
    width: 100%;
    display: block;
}

/* 壁纸展示区禁止右键保存 */
.wallpaper-single-wrapper img,
.wallpaper-single-wrapper video,
.wallpaper-archive-wrapper .waterfall-item-thumb img,
.wallpaper-archive-wrapper .waterfall-item-thumb video {
    -webkit-user-drag: none;
    user-select: none;
    -webkit-user-select: none;
}
.wallpaper-video-error {
    padding: 60px 20px;
    text-align: center;
    background: #1a1a1a;
    border-radius: 8px;
    color: #999;
    font-size: 14px;
}

/* 上下张导航 */
.wallpaper-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin: 24px 0;
    padding: 16px 0;
    border-top: 1px solid var(--b2-line-color, #f0f0f0);
}
.wallpaper-nav-prev,
.wallpaper-nav-next {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: 1px solid var(--b2-line-color, #e5e5e5);
    border-radius: 8px;
    color: var(--b2-text-color-2, #666);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.25s;
}
.wallpaper-nav-prev:hover,
.wallpaper-nav-next:hover {
    border-color: var(--b2-color, #ff0044);
    color: var(--b2-color, #ff0044);
}
.wallpaper-nav-prev svg,
.wallpaper-nav-next svg {
    width: 16px;
    height: 16px;
}
.wallpaper-nav .disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* 相关推荐 */
.wallpaper-recommend-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--b2-line-color, #f0f0f0);
}

.recommend-head {
    margin-bottom: 16px;
}
.recommend-tit {
    font-size: 16px;
    font-weight: 600;
    color: var(--b2-text-color, #333);
    display: flex;
    align-items: center;
    gap: 8px;
}
.recommend-tit i {
    color: var(--b2-color, #ff0044);
}

.wallpaper-recommend-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    list-style: none;
    padding: 0;
    margin: 0;
}
.wallpaper-recommend-list li {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--b2-hover-bg, #f5f5f5);
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.wallpaper-recommend-list li:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}
.wallpaper-recommend-list .imgw {
    display: block;
    position: relative;
    padding-bottom: 56.25%;
    overflow: hidden;
    background: var(--b2-hover-bg, #f5f5f5);
}

.wallpaper-recommend-list.recommend-portrait .imgw {
    padding-bottom: 177.78%;
}
.wallpaper-recommend-list .imgw img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}
.wallpaper-recommend-list .imgw video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}
.wallpaper-recommend-list li:hover .imgw img {
    transform: scale(1.05);
}
.wallpaper-recommend-list .imgw .recommend-video-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 2;
}
.wallpaper-recommend-list .imgw .recommend-video-preview {
    z-index: 1;
}
.wallpaper-recommend-list .recommend-dynamic-label {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(135deg, #ff0044, #ff9500);
    color: #fff;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    z-index: 3;
    pointer-events: none;
}
.wallpaper-recommend-list .title {
    padding: 8px 10px;
}
.wallpaper-recommend-list .text {
    font-size: 12px;
    color: var(--b2-text-color-2, #666);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- 壁纸归档页 --- */
.wallpaper-archive-wrapper {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
}

.wallpaper-archive-header {
    background: var(--b2-background-color, #fff);
    padding: 12px 20px;
    border-bottom: 1px solid var(--b2-line-color, #e5e5e5);
    transition: all 0.3s;
}
.wallpaper-archive-header-inner {
    display: flex;
    align-items: center;
    gap: 0px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0px 0 0;
}
.wallpaper-archive-header-left {
    flex-shrink: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
}
.wallpaper-archive-title {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
    color: var(--b2-text-color, #333);
    white-space: nowrap;
}
.wallpaper-archive-desc {
    font-size: 13px;
    color: var(--b2-text-color-3, #999);
    margin: 0;
    white-space: nowrap;
}

.wallpaper-cat-nav {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    flex: 1;
    min-width: 0;
}
.wallpaper-cat-nav-links {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.wallpaper-cat-nav-links::-webkit-scrollbar {
    display: none;
}

.wallpaper-filter-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 14px;
    border: 1px solid var(--b2-line-color, #e5e5e5);
    border-radius: 16px;
    background: var(--b2-background-color, #fff);
    color: var(--b2-text-color-2, #666);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}
.wallpaper-filter-toggle:hover {
    border-color: var(--b2-color, #ff0044);
    color: var(--b2-color, #ff0044);
}
.wallpaper-filter-toggle.is-open {
    background: var(--b2-color, #ff0044);
    border-color: var(--b2-color, #ff0044);
    color: #fff;
}

.wallpaper-filter-panel {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 0;
    border-top: 1px solid var(--b2-line-color, #f0f0f0);
}
.filter-group {
    margin-bottom: 12px;
}
.filter-group:last-child {
    margin-bottom: 0;
}
.filter-group-label {
    font-size: 12px;
    color: var(--b2-text-color-3, #999);
    margin-bottom: 8px;
    font-weight: 500;
}
.filter-group-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.filter-option {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border: 1px solid var(--b2-line-color, #e5e5e5);
    border-radius: 14px;
    font-size: 12px;
    color: var(--b2-text-color-2, #666);
    cursor: pointer;
    transition: all 0.2s;
    background: var(--b2-background-color, #fff);
    user-select: none;
}
.filter-option:hover {
    border-color: var(--b2-color, #ff0044);
    color: var(--b2-color, #ff0044);
}
.filter-option.active {
    background: var(--b2-color, #ff0044);
    border-color: var(--b2-color, #ff0044);
    color: #fff;
}
.filter-color-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.15);
    flex-shrink: 0;
}
.color-filter-option {
    gap: 4px;
}
.color-filter-option.active .filter-color-dot {
    border-color: rgba(255,255,255,0.5);
}

.cat-nav-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0px 12px;
    font-size: 16px;
    color: var(--b2-text-color-2, #666);
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    line-height: 1.5;
    white-space: nowrap;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    font-weight: 500;
}
.cat-nav-item:hover {
    color: var(--b2-color, #ff0044);
}
.cat-nav-item.active {
    color: var(--b2-color, #ff0044);
    border-bottom-color: var(--b2-color, #ff0044);
    font-weight: 600;
}

/* 下滑时悬浮在footer上方 */
.wallpaper-archive-header.is-stuck {
    position: fixed;
    bottom: 65px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--b2-line-color, #e5e5e5);
    border-radius: 12px;
    padding: 6px 16px;
    max-width: 600px;
    width: auto;
    background: var(--b2-background-color, #fff);
    backdrop-filter: blur(10px);
}
.wallpaper-archive-header.is-stuck .wallpaper-archive-header-left {
    display: none;
}
.wallpaper-archive-header.is-stuck .wallpaper-cat-nav {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
    gap: 4px;
}
.wallpaper-archive-header.is-stuck .wallpaper-cat-nav-links {
    flex-wrap: nowrap;
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.wallpaper-archive-header.is-stuck .wallpaper-cat-nav-links::-webkit-scrollbar {
    display: none;
}
.wallpaper-archive-header.is-stuck .wallpaper-filter-toggle {
    display: none;
}
.wallpaper-archive-header.is-stuck .wallpaper-filter-toggle-stuck {
    display: inline-flex;
}
.wallpaper-filter-toggle-stuck {
    display: none;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border: 1px solid var(--b2-line-color, #e5e5e5);
    border-radius: 14px;
    font-size: 12px;
    color: var(--b2-text-color-2, #666);
    cursor: pointer;
    background: var(--b2-background-color, #fff);
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}
.wallpaper-filter-toggle-stuck:hover {
    border-color: var(--b2-color, #ff0044);
    color: var(--b2-color, #ff0044);
}
.wallpaper-filter-toggle-stuck.is-open {
    background: var(--b2-color, #ff0044);
    border-color: var(--b2-color, #ff0044);
    color: #fff;
}
.wallpaper-filter-panel.is-stuck-panel {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
    background: var(--b2-background-color, #fff);
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.12);
    padding: 12px 16px;
    max-width: 30vw;
    width: max-content;
    min-width: 360px;
    max-height: 50vh;
    overflow-y: auto;
    display: block !important;
    border: 1px solid var(--b2-line-color, #e5e5e5);
    -webkit-overflow-scrolling: touch;
}
.wallpaper-archive-header.is-stuck .cat-nav-item {
    padding: 4px 12px;
    font-size: 12px;
    flex-shrink: 0;
    border-bottom: none;
}
.wallpaper-archive-header.is-stuck .cat-nav-item.active {
    background: var(--b2-color, #ff0044);
    color: #fff;
    border-radius: 14px;
}

/* 分类页：统一缩略图大小的网格布局 */
/* 动态壁纸分类页保持瀑布流 */
.is-dynamic-category .waterfall-grid {
    column-count: 5;
    column-gap: 4px;
}
.is-dynamic-category .waterfall-item {
    break-inside: avoid;
    margin-bottom: 4px;
}
.is-dynamic-category .wallfall-skeleton {
    column-count: 5;
    column-gap: 4px;
}
.is-dynamic-category .skeleton-item {
    break-inside: avoid;
    margin-bottom: 4px;
}

/* 手机壁纸/电脑壁纸分类页：CSS Grid布局 */
.is-landscape-category .waterfall-grid,
.is-portrait-category .waterfall-grid {
    column-count: unset;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}
.is-landscape-category .waterfall-item,
.is-portrait-category .waterfall-item {
    break-inside: auto;
    margin-bottom: 0;
}
.is-landscape-category .waterfall-item-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.is-portrait-category .waterfall-item-thumb {
    aspect-ratio: 9 / 16;
    overflow: hidden;
}
.is-landscape-category .waterfall-item-thumb img,
.is-landscape-category .waterfall-item-thumb .waterfall-item-video-thumb,
.is-portrait-category .waterfall-item-thumb img,
.is-portrait-category .waterfall-item-thumb .waterfall-item-video-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.is-landscape-category .wallfall-skeleton,
.is-portrait-category .wallfall-skeleton {
    column-count: unset;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}
.is-landscape-category .skeleton-item,
.is-portrait-category .skeleton-item {
    break-inside: auto;
    margin-bottom: 0;
    height: auto;
}
.is-landscape-category .skeleton-item {
    aspect-ratio: 16 / 9;
}
.is-portrait-category .skeleton-item {
    aspect-ratio: 9 / 16;
}
@media (max-width: 1024px) {
    .is-dynamic-category .waterfall-grid,
    .is-dynamic-category .wallfall-skeleton {
        column-count: 4;
    }
    .is-landscape-category .waterfall-grid,
    .is-landscape-category .wallfall-skeleton {
        grid-template-columns: repeat(4, 1fr);
    }
    .is-portrait-category .waterfall-grid,
    .is-portrait-category .wallfall-skeleton {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (max-width: 768px) {
    .is-dynamic-category .waterfall-grid,
    .is-dynamic-category .wallfall-skeleton {
        column-count: 2;
    }
    .is-landscape-category .waterfall-grid,
    .is-landscape-category .wallfall-skeleton {
        grid-template-columns: repeat(2, 1fr);
    }
    .is-portrait-category .waterfall-grid,
    .is-portrait-category .wallfall-skeleton {
        grid-template-columns: repeat(3, 1fr);
    }
    /*移动端预览框优化*/
    .phone-screen {
        top: 0px;
        left: 10px;
        right: 9px;
        bottom: 2px;
        
    }
}

/* 瀑布流布局 */
.wallpaper-waterfall {
    position: relative;
    min-height: 400px;
    padding: 0;
}

.waterfall-grid {
    column-count: 5;
    column-gap: 4px;
}

.waterfall-item {
    break-inside: avoid;
    margin-bottom: 4px;
    border-radius: 0;
    overflow: hidden;
    position: relative;
    background: var(--b2-background-color, #fff);
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    transition-delay: var(--slide-delay, 0ms);
}
.waterfall-item.slide-in {
    opacity: 1;
    transform: translateY(0);
}
.waterfall-item:hover {
}

.waterfall-item-thumb {
    position: relative;
    overflow: hidden;
    background: var(--b2-hover-bg, #f5f5f5);
    min-height: 120px;
}
.waterfall-item-thumb img {
    width: 100%;
    display: block;
    opacity: 0;
    transition: opacity 0.3s;
}
.waterfall-item-thumb img.loaded {
    opacity: 1;
}
.waterfall-item-thumb .waterfall-item-video-thumb {
    width: 100%;
    display: block;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s;
}
.waterfall-item-thumb .waterfall-item-video-thumb.loaded {
    opacity: 1;
}
.waterfall-item-thumb .waterfall-item-video-poster {
    width: 100%;
    display: block;
    object-fit: cover;
}
.waterfall-item:hover .waterfall-item-thumb img,
.waterfall-item:hover .waterfall-item-thumb .waterfall-item-video-thumb {
}

/* 分辨率标签浮层 - 默认隐藏，悬停显示 */
.waterfall-item-resolution {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 4px;
    z-index: 3;
    font-weight: 500;
    backdrop-filter: blur(4px);
    letter-spacing: 0.3px;
    opacity: 0;
    transition: opacity 0.3s;
}
.waterfall-item:hover .waterfall-item-resolution {
    opacity: 1;
}

/* 动态壁纸视频预览 */
.waterfall-item-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
}
.waterfall-item:hover .waterfall-item-video {
    opacity: 1;
}

/* 动态标识 */
.dynamic-label {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(135deg, #ff0044, #ff9500);
    color: #fff;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 4px;
    z-index: 3;
    font-weight: 600;
}

/* 卡片底部信息 - 默认隐藏，悬停显示 */
.waterfall-item-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 12px 10px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 4;
}
.waterfall-item:hover .waterfall-item-info {
    opacity: 1;
}
.waterfall-item-info-title {
    font-size: 13px;
    color: #fff;
    margin: 0 0 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}
.waterfall-item-info-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
}
.waterfall-item-info-meta span {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.waterfall-item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
}
.waterfall-item-tag {
    display: inline-block;
    padding: 1px 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-size: 10px;
    color: #fff;
    /*backdrop-filter: blur(4px);*/
}

/* 骨架屏 */
.wallfall-skeleton {
    column-count: 5;
    column-gap: 4px;
}
.skeleton-item {
    break-inside: avoid;
    margin-bottom: 4px;
    border-radius: 0;
    overflow: hidden;
    background: var(--b2-hover-bg, #f5f5f5);
}
.skeleton-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--b2-hover-bg, #f5f5f5) 25%, #e8e8e8 50%, var(--b2-hover-bg, #f5f5f5) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 瀑布流广告位 */
.waterfall-ad-item {
    break-inside: avoid;
    margin-bottom: 4px;
    border-radius: 0;
    overflow: hidden;
    position: relative;
    background: var(--b2-hover-bg, #f5f5f5);
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
}
.waterfall-ad-content {
    text-align: center;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.waterfall-ad-content img {
    width: 100%;
    height: auto;
    display: block;
}
.waterfall-ad-content a {
    display: block;
}
.waterfall-ad-label {
    position: absolute;
    top: 6px;
    right: 6px;
    background: rgba(0, 0, 0, 0.4);
    color: rgba(255, 255, 255, 0.7);
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 3px;
    z-index: 3;
    pointer-events: none;
    backdrop-filter: blur(4px);
}
.dark .waterfall-ad-item {
    background: #2a2a2a;
}

/* 加载更多 */
.wallpaper-load-more {
    text-align: center;
    padding: 30px 0;
}
.load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 36px;
    border: 1px solid var(--b2-line-color, #e5e5e5);
    border-radius: 25px;
    background: var(--b2-background-color, #fff);
    color: var(--b2-text-color-2, #666);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.25s;
}
.load-more-btn:hover {
    border-color: var(--b2-color, #ff0044);
    color: var(--b2-color, #ff0044);
}
.load-more-btn.loading {
    pointer-events: none;
    opacity: 0.6;
}

/* 空状态 */
.wallpaper-empty {
    text-align: center;
    padding: 60px 0;
    color: var(--b2-text-color-3, #999);
}
.wallpaper-empty p {
    margin-top: 16px;
    font-size: 14px;
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
    .wallpaper-top-section {
        flex-direction: column;
    }
    .wallpaper-right-col {
        width: 100%;
    }
    .wallpaper-info-panel {
        position: static;
    }
    .wallpaper-bottom-section {
        max-width: 100%;
    }
    .waterfall-grid,
    .wallfall-skeleton {
        column-count: 4;
    }
    .wallpaper-full-width .waterfall-grid,
    .wallpaper-full-width .wallfall-skeleton {
        column-count: 5;
    }
    .wallpaper-recommend-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .wallpaper-detail {
        padding: 6px;
    }
    .phone-frame-wrapper {
        width: 220px;
        height: 448px;
    }
    .wallpaper-side-nav {
        padding: 8px 4px;
        min-width: 40px;
    }
    .wallpaper-side-nav img {
        width: 36px;
        height: 60px;
    }
    .wallpaper-side-nav svg {
        width: 16px;
        height: 16px;
    }
    .preview-mode-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    .style-btn-lock,
    .style-btn-home,
    .style-btn-clear {
        padding: 6px 14px;
        font-size: 12px;
    }
    .waterfall-grid,
    .wallfall-skeleton {
        column-count: 2;
    }
    .wallpaper-full-width .waterfall-grid,
    .wallpaper-full-width .wallfall-skeleton {
        column-count: 2;
    }
    .wallpaper-recommend-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .wallpaper-archive-header {
        padding: 12px 0;
    }
    .wallpaper-archive-header-inner {
        flex-wrap: wrap;
    }
    .wallpaper-archive-header-left {
        flex-wrap: wrap;
        width: 100%;
    }
    .wallpaper-archive-title {
        font-size: 20px;
    }
    .wallpaper-archive-desc {
        white-space: normal;
    }
    .wallpaper-cat-nav {
        gap: 2px;
        width: 100%;
        flex: none;
        border-top: 1px solid var(--b2-line-color, #f0f0f0);
        margin-top: 8px;
        padding-top: 8px;
    }
    .cat-nav-item {
        padding: 5px 12px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .phone-frame-wrapper {
        width: 200px;
        height: 408px;
    }
    .waterfall-grid,
    .wallfall-skeleton {
        column-count: 2;
    }
    .wallpaper-full-width .waterfall-grid,
    .wallpaper-full-width .wallfall-skeleton {
        column-count: 2;
    }
    .wallpaper-recommend-list {
        grid-template-columns: repeat(2, 1fr);
    }
    .wallpaper-top-section {
        flex-direction: column;
    }
    .wallpaper-right-col {
        width: 100%;
        margin-top: -45px;
    }
    .wallpaper-bottom-section {
        max-width: 100%;
        margin-top: -45px;
    }
}

/* --- 暗黑模式 --- */
.dark .wallpaper-detail,
.dark .wallpaper-info-panel,
.dark .wallpaper-archive-header,
.dark .waterfall-item {
    background: var(--b2-background-color, #1a1a1a);
}
.dark .wallpaper-breadcrumb a {
    color: var(--b2-text-color-3, #aaa);
}
.dark .wallpaper-archive-title,
.dark .section-head h3,
.dark .recommend-tit,
.dark .waterfall-item-info-title {
    color: var(--b2-text-color, #e0e0e0);
}
.dark .wallpaper-meta-info {
    border-color: var(--b2-line-color, #333);
}
.dark .bz_size_show {
    border-bottom-color: var(--b2-line-color, #333);
}
.dark .bz_size_show .sizes {
    color: var(--b2-text-color, #e0e0e0);
}
.dark .waterfall-item {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}
.dark .skeleton-img {
    background: linear-gradient(90deg, #2a2a2a 25%, #333 50%, #2a2a2a 75%);
    background-size: 200% 100%;
}
.dark .wallfall-skeleton .skeleton-item {
    background: #2a2a2a;
}
.dark .wallpaper-side-nav {
    background: var(--b2-background-color, #1a1a1a);
    border-color: var(--b2-line-color, #333);
}
.dark .wallpaper-archive-header.is-stuck {
    background: var(--b2-background-color, #1a1a1a);
    border-color: var(--b2-line-color, #333);
}
.dark .cat-nav-item {
    color: var(--b2-text-color-3, #aaa);
}
.dark .cat-nav-item:hover,
.dark .cat-nav-item.active {
    color: var(--b2-color, #ff0044);
}
.dark .wallpaper-sidebar-widgets .widget {
    background: var(--b2-background-color, #1a1a1a);
    border-color: var(--b2-line-color, #333);
}
.dark .waterfall-item-thumb {
    background-color: #2a2a2a;
}
.dark .wallpaper-original-img {
    background-color: #111;
}
.dark .wallpaper-recommend-list .imgw {
    background-color: #2a2a2a;
}
.dark .wallpaper-filter-toggle {
    background: var(--b2-background-color, #1a1a1a);
    border-color: var(--b2-line-color, #333);
    color: var(--b2-text-color-3, #aaa);
}
.dark .wallpaper-filter-panel {
    border-color: var(--b2-line-color, #333);
}
.dark .filter-option {
    background: var(--b2-background-color, #1a1a1a);
    border-color: var(--b2-line-color, #333);
    color: var(--b2-text-color-3, #aaa);
}