/* Youku Style Template - 参考优酷官网设计 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --yk-primary: #ff6600;
    --yk-primary-dark: #e55a00;
    --yk-primary-light: #ff8533;
    --yk-bg: #ffffff;
    --yk-bg-dark: #1a1a1a;
    --yk-bg-darker: #0f0f0f;
    --yk-bg-sidebar: #fafafa;
    --yk-sidebar-hover: #f0f0f0;
    --yk-text: #ffffff;
    --yk-text-dark: #1a1a1a;
    --yk-text-light: #999999;
    --yk-text-lighter: #666666;
    --yk-border: #333333;
    --yk-border-light: #e8e8e8;
    --yk-shadow: rgba(0, 0, 0, 0.3);
}

body.yk-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--yk-bg-darker);
    color: var(--yk-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
    text-decoration: none;
}

/* 整体布局 */
.yk-layout {
    display: flex;
    min-height: 100vh;
}

/* 左侧固定导航栏 */
.yk-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 220px;
    height: 100vh;
    background: var(--yk-bg-sidebar);
    border-right: 1px solid var(--yk-border-light);
    z-index: 1000;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.02);
}

.yk-sidebar::-webkit-scrollbar {
    width: 4px;
}

.yk-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.yk-sidebar::-webkit-scrollbar-thumb {
    background: var(--yk-border-light);
    border-radius: 2px;
}

.yk-sidebar-inner {
    padding: 24px 16px;
}

.yk-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--yk-border-light);
    text-decoration: none;
    transition: transform 0.2s;
}

.yk-logo:hover {
    transform: translateX(2px);
}

.yk-logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #1e88e5 0%, var(--yk-primary) 100%);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 22px;
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.25);
    transition: all 0.3s;
}

.yk-logo:hover .yk-logo-icon {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 6px 16px rgba(255, 102, 0, 0.35);
}

.yk-logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--yk-text-dark);
    letter-spacing: -0.5px;
}

.yk-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.yk-nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    font-size: 14px;
    color: var(--yk-text-lighter);
    border-radius: 10px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    text-decoration: none;
}

.yk-nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--yk-primary);
    border-radius: 0 3px 3px 0;
    transition: height 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.yk-nav-item svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    opacity: 0.65;
    transition: all 0.25s;
}

.yk-nav-item:hover {
    background: var(--yk-sidebar-hover);
    color: var(--yk-text-dark);
    transform: translateX(4px);
}

.yk-nav-item:hover::before {
    height: 60%;
}

.yk-nav-item:hover svg {
    opacity: 1;
    transform: scale(1.1);
    color: var(--yk-primary);
}

.yk-nav-item.is-active {
    background: rgba(255, 102, 0, 0.08);
    color: var(--yk-primary);
    font-weight: 600;
}

.yk-nav-item.is-active::before {
    height: 70%;
}

.yk-nav-item.is-active svg {
    opacity: 1;
    color: var(--yk-primary);
}

/* 主内容区 */
.yk-main {
    flex: 1;
    width: calc(100% - 220px);
    margin-left: 220px;
    background: var(--yk-bg-darker);
    min-height: 100vh;
    box-sizing: border-box;
}

/* 顶部工具栏 */
.yk-header {
    position: sticky;
    top: 0;
    background: var(--yk-bg-dark);
    border-bottom: 1px solid var(--yk-border);
    z-index: 999;
    padding: 0;
}

.yk-header-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.yk-search-form {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--yk-border);
    border-radius: 24px;
    padding: 0;
    overflow: hidden;
    transition: all 0.2s;
    flex: 1;
    max-width: 600px;
}

.yk-search-form:focus-within {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--yk-primary);
}

.yk-search-input {
    background: transparent;
    border: none;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--yk-text);
    flex: 1;
    outline: none;
}

.yk-search-input::placeholder {
    color: var(--yk-text-light);
}

.yk-search-btn {
    background: transparent;
    border: none;
    padding: 10px 16px;
    color: var(--yk-text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

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

.yk-header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.yk-header-btn {
    background: transparent;
    border: none;
    padding: 8px;
    color: var(--yk-text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s;
}

.yk-header-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--yk-text);
}

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

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

/* 内容区域 */
.yk-content {
    padding: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* Hero横幅 */
.yk-banner {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    margin-bottom: 40px;
    background: var(--yk-bg-darker);
}

.yk-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(15px) brightness(0.7);
    transform: scale(1.1);
    z-index: 0;
}

.yk-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.8));
    z-index: 1;
}

.yk-banner-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0 60px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 40px;
    box-sizing: border-box;
}

.yk-banner-poster {
    flex-shrink: 0;
    width: 320px;
    height: 450px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    background: var(--yk-bg-dark);
}

.yk-banner-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.yk-banner-info {
    flex: 1;
    max-width: 700px;
    color: white;
}

.yk-banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    line-height: 1.2;
    word-wrap: break-word;
    word-break: break-word;
}

.yk-banner-tags {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.yk-tag {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-size: 14px;
    backdrop-filter: blur(10px);
}

.yk-tag-score {
    background: rgba(255, 102, 0, 0.8);
    color: white;
}

.yk-banner-desc {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-wrap: break-word;
    word-break: break-word;
}

.yk-banner-actions {
    display: flex;
    gap: 12px;
}

.yk-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.yk-btn-primary {
    background: var(--yk-primary);
    color: white;
}

.yk-btn-primary:hover {
    background: var(--yk-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.4);
}

/* 内容区块 */
.yk-sections {
    padding: 0 40px 40px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.yk-section {
    margin-bottom: 50px;
}

.yk-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 16px;
}

.yk-section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--yk-text);
}

.yk-section-more {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--yk-text-light);
    font-size: 14px;
    transition: color 0.2s;
}

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

.yk-sort-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--yk-border);
    border-radius: 6px;
    color: var(--yk-text-light);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.yk-sort-btn:hover {
    background: rgba(255, 102, 0, 0.2);
    border-color: var(--yk-primary);
    color: var(--yk-primary);
}

.yk-sort-btn svg {
    transition: transform 0.3s;
}

.yk-sort-btn[data-sort="desc"] svg {
    transform: rotate(180deg);
}

.yk-sort-btn[data-sort="desc"] {
    background: rgba(255, 102, 0, 0.15);
    border-color: var(--yk-primary);
    color: var(--yk-primary);
}

/* 视频列表 - 横向滚动 */
.yk-video-list {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    padding: 10px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--yk-primary) transparent;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    width: 100%;
    box-sizing: border-box;
}

.yk-video-list::-webkit-scrollbar {
    height: 6px;
}

.yk-video-list::-webkit-scrollbar-track {
    background: transparent;
}

.yk-video-list::-webkit-scrollbar-thumb {
    background: var(--yk-primary);
    border-radius: 3px;
}

.yk-video-list::-webkit-scrollbar-thumb:hover {
    background: var(--yk-primary-dark);
}

/* 视频卡片 */
.yk-video-item {
    flex: 0 0 200px;
    background: var(--yk-bg-dark);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    scroll-snap-align: start;
    touch-action: pan-y;
}

.yk-video-item:hover {
    transform: scale(1.05);
    z-index: 10;
}

.yk-video-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
}

.yk-video-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--yk-bg-dark);
    flex-shrink: 0;
}

.yk-video-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.yk-video-item:hover .yk-video-cover img {
    transform: scale(1.1);
}

.yk-video-mask {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.yk-video-item:hover .yk-video-mask {
    opacity: 1;
}

.yk-video-play-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 102, 0, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: transform 0.3s;
}

.yk-video-item:hover .yk-video-play-icon {
    transform: scale(1);
}

.yk-video-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--yk-primary);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    z-index: 2;
    line-height: 1.2;
}

.yk-video-rating {
    position: absolute;
    bottom: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    z-index: 2;
    line-height: 1.2;
}

.yk-video-info {
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 70px;
}

.yk-video-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--yk-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    min-height: 2.8em;
    flex: 1;
    word-break: break-word;
}

.yk-video-meta {
    font-size: 12px;
    color: var(--yk-text-light);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
    line-height: 1.4;
}

/* 列表页 */
.yk-list-page {
    padding: 40px;
}

.yk-container {
    max-width: 1400px;
    margin: 0 auto;
}

.yk-list-header {
    margin-bottom: 30px;
}

.yk-list-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--yk-text);
}

.yk-list-count {
    font-size: 15px;
    color: var(--yk-text-light);
}

.yk-list-count strong {
    color: var(--yk-primary);
}

.yk-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--yk-text-light);
    font-size: 16px;
}

/* 列表页网格布局 */
.yk-list-page .yk-video-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    overflow: visible;
}

.yk-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
    padding: 20px;
}

.yk-page-btn {
    padding: 10px 24px;
    background: var(--yk-primary);
    color: white;
    border-radius: 6px;
    transition: background 0.2s;
}

.yk-page-btn:hover {
    background: var(--yk-primary-dark);
}

.yk-page-info {
    color: var(--yk-text-light);
    font-size: 14px;
}

/* 详情页样式 */
.yk-detail-page {
    padding: 0;
}

.yk-detail-header {
    position: relative;
    min-height: 400px;
    overflow: hidden;
    margin-bottom: 40px;
}

.yk-detail-header-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: blur(30px);
    transform: scale(1.2);
}

.yk-detail-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.8));
}

.yk-detail-header-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 40px;
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.yk-detail-poster {
    flex-shrink: 0;
    width: 280px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.yk-detail-poster img {
    width: 100%;
    height: auto;
    display: block;
}

.yk-detail-intro {
    flex: 1;
    color: white;
}

.yk-detail-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.yk-detail-tags {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.yk-detail-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
}

.yk-stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.yk-stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.yk-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--yk-primary);
}

.yk-detail-section {
    margin-bottom: 40px;
    background: var(--yk-bg-dark);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--yk-shadow);
}

.yk-episode-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.yk-episode-group {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 8px;
}

.yk-episode-group-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--yk-text);
}

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

.yk-episode-item {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--yk-border);
    border-radius: 6px;
    color: var(--yk-text-light);
    font-size: 14px;
    transition: all 0.2s;
}

.yk-episode-item:hover {
    background: var(--yk-primary);
    border-color: var(--yk-primary);
    color: white;
    transform: translateY(-2px);
}

.yk-episode-item.is-active {
    background: var(--yk-primary);
    border-color: var(--yk-primary);
    color: white;
    font-weight: 600;
}

.yk-detail-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.yk-info-item {
    display: flex;
    gap: 12px;
    font-size: 15px;
}

.yk-info-label {
    color: var(--yk-text-light);
    min-width: 80px;
    font-weight: 500;
}

.yk-info-value {
    color: var(--yk-text);
    flex: 1;
}

.yk-detail-synopsis {
    font-size: 15px;
    line-height: 1.8;
    color: var(--yk-text);
    white-space: pre-line;
}

/* 播放页样式 */
.yk-play-page {
    padding: 40px;
}

.yk-play-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.yk-play-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--yk-bg-dark);
    border: 1px solid var(--yk-border);
    border-radius: 6px;
    color: var(--yk-text);
    transition: all 0.2s;
}

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

.yk-play-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--yk-text);
}

.yk-player-box {
    background: var(--yk-bg-dark);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--yk-shadow);
    margin-bottom: 30px;
}

.yk-player-container,
.yk-player-wrapper {
    width: 100%;
    position: relative;
}

.yk-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;
    max-width: 100% !important;
    max-height: 100% !important;
    z-index: 10 !important;
}

.yk-play-sources {
    background: var(--yk-bg-dark);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--yk-shadow);
}

.yk-play-sources .yk-section-header {
    margin-bottom: 20px;
}

.yk-play-sources .yk-section-title {
    font-size: 20px;
    margin: 0;
}

/* Footer样式 */
.yk-footer {
    background: var(--yk-bg-dark);
    border-top: 1px solid var(--yk-border);
}

.yk-footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 24px;
}

.yk-footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.yk-footer-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.yk-footer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--yk-text);
    margin-bottom: 8px;
}

.yk-footer-desc {
    font-size: 14px;
    color: var(--yk-text-light);
    line-height: 1.6;
}

.yk-footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.yk-footer-links a {
    color: var(--yk-text-light);
    font-size: 14px;
    transition: color 0.2s;
}

.yk-footer-links a:hover {
    color: var(--yk-primary);
}

.yk-footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--yk-border);
    color: var(--yk-text-light);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .yk-sidebar {
        width: 200px;
    }

    .yk-main {
        width: calc(100% - 200px);
        margin-left: 200px;
    }

    .yk-sidebar-inner {
        padding: 20px 14px;
    }

    .yk-nav-item {
        padding: 12px 14px;
        font-size: 13px;
    }

    .yk-video-item {
        flex: 0 0 180px;
    }

    .yk-list-page .yk-video-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .yk-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .yk-sidebar.is-open {
        transform: translateX(0);
    }

    .yk-main {
        width: 100%;
        margin-left: 0;
    }

    .yk-menu-btn {
        display: flex;
    }

    .yk-header-inner {
        padding: 0 20px;
    }

    .yk-banner-content {
        padding: 0 20px;
        gap: 24px;
    }

    .yk-banner-poster {
        width: 240px;
        height: 340px;
    }

    .yk-banner-info {
        max-width: 100%;
        flex: 1;
    }

    .yk-banner-content {
        padding: 0 20px;
        width: 100%;
        box-sizing: border-box;
    }

    .yk-sections {
        padding: 0 20px 40px;
        width: 100%;
        box-sizing: border-box;
    }

    .yk-video-item {
        flex: 0 0 160px;
    }

    .yk-list-page {
        padding: 30px 20px;
    }

    .yk-list-page .yk-video-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .yk-header-inner {
        padding: 0 16px;
        height: 60px;
    }

    .yk-search-form {
        max-width: 200px;
    }

    .yk-header-actions {
        gap: 8px;
    }

    .yk-banner {
        height: 360px;
        margin-bottom: 24px;
    }

    .yk-banner-bg {
        filter: blur(12px);
        transform: scale(1.05);
    }

    .yk-banner-content {
        padding: 0 16px;
        align-items: flex-end;
        padding-bottom: 30px;
        gap: 20px;
    }

    .yk-banner-poster {
        width: 180px;
        height: 250px;
        display: none;
    }

    .yk-banner-info {
        max-width: 100%;
        flex: 1;
    }

    .yk-banner-title {
        font-size: 28px;
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .yk-banner-tags {
        gap: 6px;
        margin-bottom: 12px;
    }

    .yk-tag {
        padding: 3px 8px;
        font-size: 11px;
    }

    .yk-banner-desc {
        font-size: 13px;
        line-height: 1.5;
        margin-bottom: 16px;
        -webkit-line-clamp: 2;
    }

    .yk-btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    .yk-video-item {
        flex: 0 0 150px;
    }

    .yk-video-info {
        padding: 10px;
        min-height: 55px;
    }

    .yk-video-name {
        font-size: 13px;
    }

    .yk-sections {
        padding: 0 16px 30px;
        width: 100%;
        box-sizing: border-box;
    }

    .yk-banner-content {
        width: 100%;
        box-sizing: border-box;
    }

    .yk-section {
        margin-bottom: 40px;
    }

    .yk-section-title {
        font-size: 20px;
    }

    .yk-video-item {
        flex: 0 0 140px;
    }

    .yk-video-info {
        padding: 10px;
        min-height: 60px;
    }

    .yk-video-name {
        font-size: 13px;
        min-height: 2.6em;
    }

    .yk-video-meta {
        font-size: 11px;
    }

    .yk-list-page {
        padding: 24px 16px;
    }

    .yk-list-title {
        font-size: 24px;
    }

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

    .yk-detail-header-content {
        flex-direction: column;
        padding: 40px 16px;
    }

    .yk-detail-poster {
        width: 200px;
        margin: 0 auto;
    }

    .yk-detail-title {
        font-size: 28px;
    }

    .yk-detail-stats {
        gap: 20px;
    }

    .yk-detail-section {
        padding: 20px;
    }

    .yk-play-page {
        padding: 24px 16px;
    }

    .yk-play-title {
        font-size: 22px;
    }

    .yk-footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 移动端适配 - 小屏手机 */
@media (max-width: 480px) {
    .yk-search-form {
        display: none;
    }

    .yk-banner {
        height: 280px;
        margin-bottom: 20px;
    }

    .yk-banner-bg {
        filter: blur(8px);
        transform: scale(1.05);
    }

    .yk-banner-content {
        padding: 0 12px;
        align-items: flex-end;
        padding-bottom: 20px;
        gap: 0;
    }

    .yk-banner-poster {
        display: none;
    }

    .yk-banner-info {
        max-width: 100%;
        flex: 1;
        width: 100%;
    }

    .yk-banner-title {
        font-size: 20px;
        margin-bottom: 8px;
        line-height: 1.3;
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .yk-banner-tags {
        gap: 4px;
        margin-bottom: 8px;
        flex-wrap: wrap;
    }

    .yk-tag {
        padding: 2px 6px;
        font-size: 10px;
    }

    .yk-banner-desc {
        display: none;
    }

    .yk-banner-actions {
        gap: 6px;
    }

    .yk-btn {
        padding: 8px 16px;
        font-size: 12px;
    }

    .yk-btn svg {
        width: 16px;
        height: 16px;
    }

    .yk-video-item {
        flex: 0 0 140px;
    }

    .yk-video-cover {
        aspect-ratio: 16/9;
    }

    .yk-video-info {
        padding: 8px;
        min-height: 50px;
    }

    .yk-video-name {
        font-size: 12px;
        margin-bottom: 4px;
        min-height: 2.4em;
        line-height: 1.3;
    }

    .yk-video-meta {
        font-size: 10px;
        gap: 4px;
    }

    .yk-section {
        margin-bottom: 24px;
    }

    .yk-section-header {
        margin-bottom: 12px;
    }

    .yk-section-title {
        font-size: 18px;
    }

    .yk-sections {
        padding: 0 12px 20px;
        width: 100%;
        box-sizing: border-box;
    }

    .yk-banner-content {
        width: 100%;
        box-sizing: border-box;
    }

    .yk-video-list {
        width: 100%;
        box-sizing: border-box;
    }

    .yk-video-info {
        padding: 8px;
        min-height: 55px;
    }

    .yk-video-name {
        font-size: 12px;
        min-height: 2.4em;
    }

    .yk-video-meta {
        font-size: 10px;
    }

    .yk-video-badge,
    .yk-video-rating {
        font-size: 10px;
        padding: 2px 6px;
    }

    .yk-video-play-icon {
        width: 44px;
        height: 44px;
    }

    .yk-list-page .yk-video-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .yk-detail-poster {
        width: 160px;
    }

    .yk-detail-title {
        font-size: 24px;
    }

    .yk-detail-stats {
        flex-direction: column;
        gap: 16px;
    }

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

    .yk-episode-item {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* 移动端导航菜单动画 */
.yk-menu-btn.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.yk-menu-btn.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 移动端侧边栏遮罩 */
@media (max-width: 1024px) {
    .yk-sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s;
    }

    .yk-sidebar-overlay.is-open {
        opacity: 1;
        visibility: visible;
    }
}

/* 滚动条样式优化 */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--yk-primary) transparent;
}

*::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track {
    background: transparent;
}

*::-webkit-scrollbar-thumb {
    background: var(--yk-primary);
    border-radius: 4px;
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--yk-primary-dark);
}