/* AcFun风格模板 - CSS变量 */
:root {
    --acfun-primary: #FD4C5D;
    --acfun-primary-dark: #E63946;
    --acfun-primary-light: #FF6B7A;
    --acfun-bg: #1A1A1A;
    --acfun-bg-light: #252525;
    --acfun-bg-lighter: #2D2D2D;
    --acfun-text: #FFFFFF;
    --acfun-text-light: #CCCCCC;
    --acfun-text-lighter: #999999;
    --acfun-border: #333333;
    --acfun-shadow: rgba(0, 0, 0, 0.3);
    --acfun-shadow-hover: rgba(253, 76, 93, 0.3);
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.acfun-body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--acfun-bg);
    color: var(--acfun-text);
    line-height: 1.6;
}

.acfun-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 顶部导航栏 */
.acfun-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--acfun-bg-light);
    border-bottom: 1px solid var(--acfun-border);
    box-shadow: 0 2px 8px var(--acfun-shadow);
}

.acfun-header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.acfun-header-left {
    display: flex;
    align-items: center;
    gap: 32px;
    flex: 1;
}

.acfun-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-weight: 700;
    font-size: 24px;
    color: var(--acfun-primary);
    letter-spacing: 1px;
}

.acfun-logo-text {
    background: linear-gradient(135deg, var(--acfun-primary), #FF8C94);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.acfun-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.acfun-nav-link {
    padding: 8px 16px;
    text-decoration: none;
    color: var(--acfun-text-light);
    font-size: 14px;
    border-radius: 4px;
    transition: all 0.2s;
}

.acfun-nav-link:hover {
    background: var(--acfun-bg-lighter);
    color: var(--acfun-text);
}

.acfun-nav-link.is-active {
    background: var(--acfun-primary);
    color: white;
}

/* 全部分类下拉菜单 */
.acfun-nav-dropdown {
    position: relative;
}

/* 移动端隐藏全部分类按钮 */
@media (max-width: 1024px) {
    .acfun-nav-dropdown {
        display: none;
    }
}

.acfun-nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
}

.acfun-nav-dropdown-toggle svg {
    transition: transform 0.3s;
}

.acfun-nav-dropdown.active .acfun-nav-dropdown-toggle svg {
    transform: rotate(180deg);
}

.acfun-nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    background: var(--acfun-bg-light);
    border: 1px solid var(--acfun-border);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--acfun-shadow);
    min-width: 200px;
    max-width: 400px;
    max-height: 500px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000;
}

.acfun-nav-dropdown.active .acfun-nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.acfun-nav-dropdown-content {
    padding: 8px 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 4px;
}

.acfun-nav-dropdown-item {
    padding: 8px 16px;
    color: var(--acfun-text);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-radius: 4px;
    margin: 0 8px;
}

.acfun-nav-dropdown-item:hover {
    background: var(--acfun-bg-lighter);
    color: var(--acfun-primary);
}

.acfun-nav-dropdown-item.is-active {
    background: var(--acfun-primary);
    color: white;
}

.acfun-header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.acfun-search {
    display: flex;
    align-items: center;
    background: var(--acfun-bg-lighter);
    border: 1px solid var(--acfun-border);
    border-radius: 20px;
    padding: 6px 12px;
    transition: all 0.3s;
}

.acfun-search:focus-within {
    border-color: var(--acfun-primary);
    box-shadow: 0 0 0 2px rgba(253, 76, 93, 0.2);
}

.acfun-search-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--acfun-text);
    font-size: 14px;
    width: 200px;
    padding: 4px 8px;
}

.acfun-search-input::placeholder {
    color: var(--acfun-text-lighter);
}

.acfun-search-btn {
    background: transparent;
    border: none;
    color: var(--acfun-text-light);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.acfun-search-btn:hover {
    color: var(--acfun-primary);
}

.acfun-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.acfun-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--acfun-text);
    transition: all 0.3s;
}

/* 主内容区域 */
.acfun-main {
    flex: 1;
    background: var(--acfun-bg);
}

.acfun-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 首页Banner区域 */
.acfun-banner-section {
    margin-bottom: 40px;
}

.acfun-banner-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 20px;
    height: 450px;
    max-height: 450px;
}

.acfun-banner-main {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
}

.acfun-banner-item {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    position: relative;
}

.acfun-banner-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.acfun-banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.acfun-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.7) 100%);
}

.acfun-banner-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    z-index: 2;
    max-width: 100%;
}

.acfun-banner-title {
    font-size: 28px;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.acfun-banner-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.acfun-banner-meta-item {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.acfun-banner-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.acfun-banner-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--acfun-primary);
    color: white;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.acfun-banner-sidebar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    overflow-y: hidden;
    overflow-x: hidden;
}

.acfun-banner-sidebar-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: var(--acfun-bg-light);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
    flex: 1;
    min-height: 0;
    align-items: flex-start;
}

.acfun-banner-sidebar-item:hover {
    background: var(--acfun-bg-lighter);
    transform: translateX(4px);
}

.acfun-banner-sidebar-cover {
    position: relative;
    width: 140px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
    background: var(--acfun-bg-lighter);
}

.acfun-banner-sidebar-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.acfun-banner-sidebar-badge {
    position: absolute;
    bottom: 4px;
    right: 4px;
    padding: 2px 6px;
    background: rgba(0,0,0,0.7);
    color: white;
    font-size: 10px;
    border-radius: 3px;
}

.acfun-banner-sidebar-info {
    flex: 1;
    min-width: 0;
}

.acfun-banner-sidebar-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--acfun-text);
    margin: 0 0 6px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    flex: 1;
    min-width: 0;
}

.acfun-banner-sidebar-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.acfun-banner-sidebar-meta-item {
    font-size: 11px;
    color: var(--acfun-text-lighter);
    padding: 2px 6px;
    background: var(--acfun-bg-lighter);
    border-radius: 3px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.acfun-banner-sidebar-desc {
    font-size: 12px;
    color: var(--acfun-text-light);
    line-height: 1.5;
    margin: 0 0 8px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.acfun-banner-sidebar-stats {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 11px;
    color: var(--acfun-text-lighter);
}

.acfun-banner-sidebar-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 内容区块 */
.acfun-section {
    margin-bottom: 40px;
}

.acfun-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.acfun-section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--acfun-text);
}

.acfun-title-icon {
    width: 4px;
    height: 20px;
    background: var(--acfun-primary);
    border-radius: 2px;
}

.acfun-section-more {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--acfun-text-light);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.acfun-section-more:hover {
    color: var(--acfun-primary);
}

/* 视频网格 */
.acfun-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.acfun-video-card {
    background: var(--acfun-bg-light);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
}

.acfun-video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--acfun-shadow-hover);
}

.acfun-video-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.acfun-video-cover {
    position: relative;
    width: 100%;
    padding-top: 140%;
    overflow: hidden;
    background: var(--acfun-bg-lighter);
}

.acfun-video-cover img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.acfun-video-card:hover .acfun-video-cover img {
    transform: scale(1.1);
}

.acfun-video-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    padding: 4px 8px;
    background: rgba(0,0,0,0.8);
    color: white;
    font-size: 11px;
    border-radius: 4px;
}

.acfun-video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.acfun-video-card:hover .acfun-video-play-icon {
    opacity: 1;
}

.acfun-video-info {
    padding: 12px;
}

.acfun-video-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--acfun-text);
    margin: 0 0 8px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.acfun-video-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--acfun-text-lighter);
}

.acfun-video-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 详情页 */
.acfun-detail-page {
    padding: 20px 0;
}

.acfun-detail-header {
    display: flex;
    gap: 24px;
    margin-bottom: 30px;
    padding: 24px;
    background: var(--acfun-bg-light);
    border-radius: 12px;
}

.acfun-detail-poster {
    flex-shrink: 0;
    width: 200px;
    height: 280px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--acfun-bg-lighter);
}

.acfun-detail-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.acfun-detail-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.acfun-detail-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--acfun-text);
    margin-bottom: 16px;
}

.acfun-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.acfun-tag {
    padding: 6px 12px;
    background: var(--acfun-bg-lighter);
    color: var(--acfun-text-light);
    border-radius: 4px;
    font-size: 12px;
}

.acfun-detail-stats {
    display: flex;
    gap: 24px;
}

.acfun-stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--acfun-text-light);
    font-size: 14px;
}

.acfun-detail-section {
    margin-bottom: 30px;
    padding: 24px;
    background: var(--acfun-bg-light);
    border-radius: 12px;
}

.acfun-episode-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.acfun-episode-group {
    margin-bottom: 20px;
}

.acfun-episode-group-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--acfun-text);
    margin-bottom: 12px;
}

.acfun-episode-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.acfun-episode-item {
    padding: 8px 16px;
    background: var(--acfun-bg-lighter);
    color: var(--acfun-text-light);
    border: 1px solid var(--acfun-border);
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.acfun-episode-item:hover {
    background: var(--acfun-primary);
    color: white;
    border-color: var(--acfun-primary);
}

.acfun-episode-item.is-active {
    background: var(--acfun-primary);
    color: white;
    border-color: var(--acfun-primary);
}

.acfun-detail-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.acfun-info-item {
    display: flex;
    gap: 8px;
    color: var(--acfun-text-light);
    font-size: 14px;
}

.acfun-info-label {
    color: var(--acfun-text-lighter);
}

.acfun-info-value {
    color: var(--acfun-text);
}

.acfun-detail-synopsis {
    color: var(--acfun-text-light);
    line-height: 1.8;
    font-size: 14px;
}

/* 播放器 */
.acfun-player-container {
    margin-bottom: 20px;
}

.acfun-player-wrapper {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    position: relative;
}

/* 限制广告层在播放器容器内 */
.acfun-player-wrapper .player-ad-layer {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 10;
    overflow: hidden;
}

.acfun-player-box .acfun-player-wrapper .player-ad-layer {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 10;
    overflow: hidden;
}

/* 列表页 */
.acfun-list-page {
    padding: 20px 0;
}

.acfun-list-header {
    margin-bottom: 24px;
}

.acfun-list-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--acfun-text);
}

/* 播放页 */
.acfun-play-page {
    padding: 20px 0;
}

.acfun-play-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.acfun-play-back {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--acfun-bg-light);
    border: 1px solid var(--acfun-border);
    border-radius: 6px;
    text-decoration: none;
    color: var(--acfun-text);
    font-size: 14px;
    transition: all 0.2s;
}

.acfun-play-back:hover {
    background: var(--acfun-primary);
    color: white;
    border-color: var(--acfun-primary);
}

.acfun-play-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--acfun-text);
}

.acfun-player-box {
    margin-bottom: 30px;
}

.acfun-player-box .acfun-player-wrapper {
    position: relative;
    overflow: hidden;
}

.acfun-play-sources {
    padding: 24px;
    background: var(--acfun-bg-light);
    border-radius: 12px;
}

/* 上一集下一集导航 */
.acfun-episode-nav {
    display: flex;
    gap: 16px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--acfun-border);
}

.acfun-episode-nav-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--acfun-bg-lighter);
    border: 1px solid var(--acfun-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--acfun-text);
    font-size: 14px;
    transition: all 0.3s;
    cursor: pointer;
}

.acfun-episode-nav-btn:hover {
    background: var(--acfun-primary);
    color: white;
    border-color: var(--acfun-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(253, 76, 93, 0.3);
}

.acfun-episode-nav-btn.acfun-episode-nav-disabled {
    background: var(--acfun-bg);
    color: var(--acfun-text-lighter);
    cursor: not-allowed;
    opacity: 0.6;
}

.acfun-episode-nav-btn.acfun-episode-nav-disabled:hover {
    background: var(--acfun-bg);
    color: var(--acfun-text-lighter);
    transform: none;
    box-shadow: none;
}

.acfun-episode-nav-prev {
    flex-direction: row;
}

.acfun-episode-nav-next {
    flex-direction: row-reverse;
}

.acfun-episode-nav-label {
    font-weight: 500;
    white-space: nowrap;
}

.acfun-episode-nav-name {
    color: var(--acfun-text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

.acfun-episode-nav-btn:hover .acfun-episode-nav-name {
    color: rgba(255, 255, 255, 0.9);
}

/* 分页 */
.acfun-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.acfun-page-btn {
    padding: 8px 16px;
    background: var(--acfun-bg-light);
    color: var(--acfun-text-light);
    border: 1px solid var(--acfun-border);
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.acfun-page-btn:hover {
    background: var(--acfun-primary);
    color: white;
    border-color: var(--acfun-primary);
}

.acfun-page-btn.is-active {
    background: var(--acfun-primary);
    color: white;
    border-color: var(--acfun-primary);
}

/* 底部 */
.acfun-footer {
    background: var(--acfun-bg-light);
    border-top: 1px solid var(--acfun-border);
    padding: 30px 0;
    margin-top: 60px;
}

.acfun-footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.acfun-footer-text {
    text-align: center;
    color: var(--acfun-text-lighter);
    font-size: 12px;
}

.acfun-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--acfun-text-lighter);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .acfun-nav {
        display: none;
    }

    .acfun-menu-toggle {
        display: flex;
    }

    .acfun-banner-container {
        grid-template-columns: 1fr;
        height: 400px;
    }

    .acfun-banner-main {
        height: 100%;
        min-height: 300px;
    }

    .acfun-banner-sidebar {
        flex-direction: row;
        overflow-x: auto;
        height: auto;
        margin-top: 20px;
    }

    .acfun-banner-sidebar-item {
        min-width: 300px;
    }

    .acfun-video-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .acfun-header-container {
        padding: 0 12px;
    }

    .acfun-search {
        display: none;
    }

    .acfun-container {
        padding: 12px;
    }

    .acfun-banner-container {
        height: 280px;
        min-height: 280px;
    }

    .acfun-banner-main {
        height: 100%;
        min-height: 280px;
    }

    .acfun-banner-content {
        padding: 20px;
    }

    .acfun-banner-title {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .acfun-banner-meta {
        margin-bottom: 8px;
        gap: 8px;
    }

    .acfun-banner-meta-item {
        font-size: 12px;
    }

    .acfun-banner-desc {
        font-size: 12px;
        -webkit-line-clamp: 2;
    }

    .acfun-banner-sidebar {
        margin-top: 12px;
    }

    .acfun-detail-header {
        flex-direction: column;
        padding: 16px;
    }

    .acfun-detail-poster {
        width: 100%;
        height: auto;
        aspect-ratio: 2/3;
    }

    .acfun-video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .acfun-detail-info-grid {
        grid-template-columns: 1fr;
    }
}

/* 移动端导航菜单 */
.acfun-mobile-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--acfun-bg-light);
    z-index: 999;
    transform: translateX(-100%);
    transition: transform 0.3s;
    overflow-y: auto;
    padding: 20px;
}

.acfun-mobile-nav.is-open {
    transform: translateX(0);
}

.acfun-mobile-nav .acfun-nav {
    display: block;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
}

.acfun-mobile-nav .acfun-nav-link {
    padding: 12px 16px;
    border-radius: 6px;
}

.acfun-mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.acfun-mobile-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

.acfun-menu-toggle.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.acfun-menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.acfun-menu-toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* 移动端下拉菜单样式 */
.acfun-mobile-nav .acfun-nav-dropdown {
    position: static;
}

.acfun-mobile-nav .acfun-nav-dropdown-menu {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    box-shadow: none !important;
    border: none !important;
    margin: 0 !important;
    max-height: none !important;
    background: transparent;
}

.acfun-mobile-nav .acfun-nav-dropdown-content {
    grid-template-columns: 1fr;
    padding: 0;
}

.acfun-mobile-nav .acfun-nav-dropdown-item {
    padding: 10px 16px;
    margin: 0;
    border-radius: 0;
}