/* 引入行书飘逸字体 */
@import url('https://fonts.googleapis.com/css2?family=Zhi+Mang+Xing&display=swap');

/* 引入自定义字体 */
@font-face {
    font-family: 'CustomAppleFont';
    src: url('https://nos.netease.com/ysf/260de1ccc0fffea1b1af12b7f5b50c3c.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* 作用域限制在 applemusic 容器内，防止污染全局 */
.applemusic-app-container {
    --bg-color: #ffffff;
    --text-main: #000000;
    --text-secondary: #8e8e93;
    --theme-active: #fa243c; /* Apple Music 经典红 */

    /* 极致纯净透明白液态玻璃变量 */
    --glass-bg: rgba(255, 255, 255, 0.01);
    --glass-border: rgba(0, 0, 0, 0.03);
    --glass-shadow: rgba(0, 0, 0, 0.04);

    font-family: 'CustomAppleFont', -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-weight: 500;
    -webkit-font-smoothing: antialiased;
    color: var(--text-main);
    padding-bottom: 200px;
    -webkit-tap-highlight-color: transparent;
}

.applemusic-app-container * {
    box-sizing: border-box;
}

/* 防止底层滚动 */
body.applemusic-no-scroll {
    overflow: hidden;
}

/* 页面视图容器 */
.applemusic-view-container {
    display: none;
    animation: applemusicFadeIn 0.35s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}
.applemusic-view-container.applemusic-active {
    display: block;
}

@keyframes applemusicFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 顶部 Header */
.applemusic-header {
    padding: 50px 20px 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 10;
}

.applemusic-header h1 {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: 1px;
    margin: 0;
}

.applemusic-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 白色半透明磨砂按钮 (通用) */
.applemusic-glass-btn {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.applemusic-glass-btn.applemusic-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.applemusic-glass-btn.applemusic-circle svg {
    width: 28px;
    height: 28px;
    fill: #000;
}
.applemusic-glass-btn.applemusic-pill {
    height: 40px;
    border-radius: 20px;
    padding: 0 16px;
    gap: 18px;
}
.applemusic-glass-btn.applemusic-pill svg {
    width: 24px;
    height: 24px;
    fill: #000;
}

/* 右上角头像 */
.applemusic-profile-pic {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #98989d;
    cursor: pointer;
}
.applemusic-profile-pic svg {
    width: 48px;
    height: 48px;
}

/* 内容区块 */
.applemusic-section {
    padding: 20px 0 0 20px;
    position: relative;
    z-index: 10;
}

.applemusic-section-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.applemusic-section-title svg {
    width: 18px;
    height: 18px;
    fill: var(--text-secondary);
    margin-left: 4px;
}

/* 横向滚动容器 */
.applemusic-scroll-container {
    display: flex;
    overflow-x: auto;
    padding-right: 20px;
    scrollbar-width: none;
}
.applemusic-scroll-container::-webkit-scrollbar {
    display: none;
}

/* 专属精选推荐卡片 */
.applemusic-featured-card {
    flex: 0 0 300px;
    height: 380px;
    border-radius: 20px;
    background: linear-gradient(180deg, #9b6a53 0%, #7a4f3c 100%);
    margin-right: 15px;
    position: relative;
    padding: 20px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.applemusic-card-text-bottom {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    color: #fff;
}
.applemusic-card-subtitle {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 4px;
}
.applemusic-card-title {
    font-size: 22px;
    font-weight: 800;
}

/* 最近播放 (横向滑动) */
.applemusic-song-list {
    gap: 15px;
}

.applemusic-song-item {
    flex: 0 0 110px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    cursor: pointer;
}

.applemusic-song-cover {
    width: 110px;
    height: 110px;
    border-radius: 8px;
    margin-bottom: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    background-size: cover;
    background-position: center;
}

.applemusic-song-info {
    width: 100%;
}

.applemusic-song-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    /* 移除单行限制，改为最多显示两行 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word; /* 允许长单词换行 */
    width: 100%;
}

.applemusic-song-artist {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%; /* 确保宽度被限制，防止撑开 */
}

/* ================= Library 页面专属样式 ================= */
.applemusic-lib-list {
    padding: 10px 0 0 20px;
    margin-top: 10px;
}
.applemusic-lib-list-item {
    display: flex;
    align-items: center;
    padding: 14px 20px 14px 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    cursor: pointer;
}
.applemusic-lib-list-item:last-child {
    border-bottom: none;
}
.applemusic-lib-list-icon {
    width: 24px;
    height: 24px;
    fill: var(--theme-active);
    margin-right: 15px;
}
.applemusic-lib-list-text {
    flex: 1;
    font-size: 17px;
    font-weight: 500;
}
.applemusic-lib-list-chevron {
    width: 16px;
    height: 16px;
    fill: #c7c7cc;
}

/* ================= Playlists 播放列表页面专属样式 ================= */
.applemusic-playlist-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 50px 20px 10px 20px;
}

.applemusic-playlist-title {
    font-size: 34px;
    font-weight: 800;
    padding: 5px 20px 15px 20px;
    margin: 0;
}

.applemusic-pl-list {
    padding-left: 20px;
}
.applemusic-pl-item {
    display: flex;
    align-items: center;
    padding: 12px 20px 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    cursor: pointer;
}
.applemusic-pl-item:last-child {
    border-bottom: none;
}

.applemusic-tiny-star {
    width: 12px;
    height: 12px;
    fill: var(--theme-active);
    margin-right: 8px;
    flex-shrink: 0;
}
.applemusic-tiny-star-placeholder {
    width: 12px;
    margin-right: 8px;
    flex-shrink: 0;
}

.applemusic-pl-cover {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    background: #f2f2f7;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}
.applemusic-pl-cover.applemusic-custom {
    background: #ffffff;
    border: 1px solid rgba(0,0,0,0.06);
    font-size: 28px;
}
.applemusic-pl-cover svg {
    width: 32px;
    height: 32px;
    fill: var(--theme-active);
}

.applemusic-pl-info {
    flex: 1;
    font-size: 17px;
    font-weight: 500;
}

/* 播放列表网格视图样式 */
.applemusic-pl-list.applemusic-grid-view {
    display: grid;
    /* 使用 minmax(0, 1fr) 强制等宽，防止大图片撑开网格 */
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px;
    padding: 0 20px;
}
.applemusic-pl-list.applemusic-grid-view .applemusic-pl-item {
    flex-direction: column;
    align-items: center;
    padding: 0;
    border-bottom: none;
    text-align: center;
    min-width: 0; /* 配合 minmax 限制最大宽度 */
}
.applemusic-pl-list.applemusic-grid-view .applemusic-tiny-star,
.applemusic-pl-list.applemusic-grid-view .applemusic-tiny-star-placeholder,
.applemusic-pl-list.applemusic-grid-view .applemusic-lib-list-chevron {
    display: none;
}
.applemusic-pl-list.applemusic-grid-view .applemusic-pl-cover {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    margin-right: 0;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.applemusic-pl-list.applemusic-grid-view .applemusic-pl-info {
    font-size: 14px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================= 歌单详情页面专属样式 ================= */
#applemusic-view-playlist-detail {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    z-index: 40;
    background-color: var(--bg-color);
    padding-bottom: 120px;
}
#applemusic-view-playlist-detail.applemusic-active {
    animation: applemusicFadeInDetail 0.35s forwards;
}
@keyframes applemusicFadeInDetail {
    from { opacity: 0; }
    to { opacity: 1; }
}

#applemusic-view-playlist-detail .applemusic-nav-btn-fixed {
    position: fixed;
    top: 50px;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    border: 0.5px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px) saturate(150%);
    -webkit-backdrop-filter: blur(8px) saturate(150%);
    cursor: pointer;
}
#applemusic-view-playlist-detail .applemusic-nav-btn-fixed.applemusic-left { left: 20px; }
#applemusic-view-playlist-detail .applemusic-nav-btn-fixed.applemusic-right { right: 20px; }
#applemusic-view-playlist-detail .applemusic-nav-btn-fixed.applemusic-circle { width: 40px; height: 40px; border-radius: 50%; }
#applemusic-view-playlist-detail .applemusic-nav-btn-fixed.applemusic-pill { height: 40px; border-radius: 20px; padding: 0 16px; gap: 18px; }
#applemusic-view-playlist-detail .applemusic-nav-btn-fixed svg { width: 24px; height: 24px; fill: currentColor; }

.applemusic-playlist-detail-cover-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 80px;
}
.applemusic-playlist-detail-cover {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    object-fit: cover;
    background: #f2f2f7;
}
.applemusic-playlist-detail-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 15px;
    color: var(--text-secondary);
    font-size: 12px;
}
.applemusic-playlist-detail-meta svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    margin-bottom: 5px;
}
.applemusic-playlist-detail-controls {
    display: flex;
    gap: 15px;
    padding: 20px;
}
.applemusic-playlist-detail-btn {
    flex: 1;
    height: 48px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--theme-active);
    cursor: pointer;
    transition: transform 0.1s;
}
.applemusic-playlist-detail-btn:active {
    transform: scale(0.96);
}
.applemusic-playlist-detail-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    margin-right: 8px;
}
.applemusic-playlist-detail-songs {
    padding: 0 20px;
}
.applemusic-playlist-detail-song-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    cursor: pointer;
}
.applemusic-playlist-detail-song-item:last-child {
    border-bottom: none;
}
.applemusic-playlist-detail-song-star {
    width: 12px;
    height: 12px;
    fill: var(--theme-active);
    margin-right: 10px;
}
.applemusic-playlist-detail-song-cover {
    width: 46px;
    height: 46px;
    border-radius: 6px;
    margin-right: 12px;
    object-fit: cover;
}
.applemusic-playlist-detail-song-info {
    flex: 1;
    overflow: hidden;
}
.applemusic-playlist-detail-song-name {
    font-size: 16px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.applemusic-playlist-detail-song-artist {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}
.applemusic-playlist-detail-song-more {
    width: 24px;
    height: 24px;
    fill: #000;
    cursor: pointer;
}

/* 歌单详情页专属底部悬浮栏 */
.applemusic-playlist-bottom-container {
    position: fixed; bottom: 25px; left: 20px; right: 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 12px; z-index: 100;
}
.applemusic-playlist-bottom-btn {
    width: 50px; height: 50px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0; cursor: pointer;
    background: rgba(255, 255, 255, 0.75); backdrop-filter: blur(20px) saturate(150%); -webkit-backdrop-filter: blur(20px) saturate(150%);
    border: 0.5px solid rgba(0, 0, 0, 0.1); box-shadow: 0 10px 30px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.5);
}
.applemusic-playlist-bottom-btn svg { width: 24px; height: 24px; fill: #000; }

.applemusic-playlist-bottom-player-pill {
    flex: 1; height: 50px; border-radius: 25px;
    display: flex; align-items: center; padding: 0 16px 0 6px; cursor: pointer; overflow: hidden;
    background: rgba(255, 255, 255, 0.75); backdrop-filter: blur(20px) saturate(150%); -webkit-backdrop-filter: blur(20px) saturate(150%);
    border: 0.5px solid rgba(0, 0, 0, 0.1); box-shadow: 0 10px 30px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.5);
}
.applemusic-playlist-bottom-cover { width: 38px; height: 38px; border-radius: 50%; margin-right: 10px; object-fit: cover; background: rgba(0,0,0,0.05); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.applemusic-playlist-bottom-cover svg { width: 18px; height: 18px; fill: #555; }
.applemusic-playlist-bottom-info { flex: 1; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.applemusic-playlist-bottom-title { font-size: 14px; font-weight: 700; color: #000; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 2px; }
.applemusic-playlist-bottom-artist { font-size: 12px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.applemusic-playlist-bottom-controls { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.applemusic-playlist-bottom-controls svg { width: 20px; height: 20px; fill: #000; }

/* ================= Search 页面专属样式 ================= */
.applemusic-search-bar-container {
    padding: 0 20px 15px 20px;
}
.applemusic-search-bar {
    display: flex;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    padding: 8px 12px;
    height: 36px;
}
.applemusic-search-bar .applemusic-search-icon {
    width: 18px;
    height: 18px;
    fill: var(--text-secondary);
    margin-right: 8px;
    flex-shrink: 0;
}
.applemusic-search-bar .applemusic-mic-icon {
    width: 18px;
    height: 18px;
    fill: var(--text-secondary);
    margin-left: 8px;
    flex-shrink: 0;
    cursor: pointer;
}
.applemusic-search-bar input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 17px;
    color: var(--text-main);
    outline: none;
    font-family: inherit;
    min-width: 0;
}
.applemusic-search-bar input::placeholder {
    color: var(--text-secondary);
}

/* 最近搜索 */
.applemusic-recent-search-list {
    padding-right: 20px;
}
.applemusic-recent-search-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: background-color 0.2s;
    user-select: none;
    -webkit-user-select: none;
    cursor: pointer;
}
.applemusic-recent-search-item:last-child {
    border-bottom: none;
}
.applemusic-recent-search-icon {
    width: 16px;
    height: 16px;
    fill: var(--text-secondary);
    margin-right: 12px;
}
.applemusic-recent-search-text {
    flex: 1;
    font-size: 17px;
    color: var(--text-main);
}
.applemusic-recent-search-delete {
    display: none;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-left: 10px;
}
.applemusic-recent-search-delete svg {
    width: 20px;
    height: 20px;
    fill: #c7c7cc;
}
.applemusic-recent-search-item.applemusic-edit-mode .applemusic-recent-search-delete {
    display: flex;
    animation: applemusicPopIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes applemusicPopIn {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* 音乐排行榜 */
.applemusic-chart-list {
    padding-right: 20px;
}
.applemusic-chart-item {
    display: flex;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.applemusic-chart-item:last-child {
    border-bottom: none;
}
.applemusic-chart-rank {
    width: 30px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-secondary);
    text-align: left;
}
.applemusic-chart-name {
    flex: 1;
    font-size: 17px;
    font-weight: 500;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================= 底部悬浮 UI ================= */
.applemusic-floating-ui {
    position: fixed;
    bottom: 25px;
    left: 24px;
    right: 24px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.applemusic-liquid-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(8px) saturate(150%);
    -webkit-backdrop-filter: blur(8px) saturate(150%);
    border: 0.5px solid var(--glass-border);
    box-shadow:
        0 10px 30px var(--glass-shadow),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* 迷你播放器 */
.applemusic-mini-player {
    height: 48px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    padding: 0 16px 0 6px;
    cursor: pointer;
}

.applemusic-player-cover-empty {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.05);
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
}

.applemusic-player-cover-empty svg {
    width: 16px;
    height: 16px;
    fill: #555;
}

.applemusic-player-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.applemusic-player-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--text-main);
}

.applemusic-player-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.applemusic-player-controls .applemusic-ctrl-playpause {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.applemusic-player-controls .applemusic-ctrl-playpause svg {
    width: 100%;
    height: 100%;
    fill: #000;
}

.applemusic-player-controls .applemusic-ctrl-next {
    width: 25px;
    height: 25px;
    fill: #000;
    cursor: pointer;
}

/* 底部导航栏 */
.applemusic-nav-bar {
    display: flex;
    align-items: center;
    height: 62px;
    border-radius: 999px;
    padding: 0 6px;
    gap: 4px;
}

.applemusic-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 50px;
    color: var(--text-main);
    font-size: 10px;
    font-weight: 800;
    border-radius: 999px;
    transition: flex 0.35s cubic-bezier(0.25, 1, 0.5, 1), background-color 0.2s ease, color 0.2s ease;
    will-change: flex, background-color;
    cursor: pointer;
}

.applemusic-nav-item svg {
    width: 26px;
    height: 26px;
    margin-bottom: 2px;
    fill: currentColor;
}

.applemusic-nav-item.applemusic-nav-active {
    background: rgba(250, 36, 60, 0.12);
    color: var(--theme-active);
    flex: 1.4;
}

/* ================= 全屏音乐播放页面 ================= */
.applemusic-full-player {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background-color: #000;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex;
    flex-direction: column;
    color: #fff;
    overflow: hidden;
}

.applemusic-full-player.applemusic-active {
    transform: translateY(0);
}

/* 背景模糊层 */
.applemusic-player-bg {
    position: absolute;
    top: -10%; left: -10%; right: -10%; bottom: -10%;
    background-image: url('https://images.unsplash.com/photo-1448375240586-882707db888b?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80');
    background-size: cover;
    background-position: center;
    filter: blur(40px);
    z-index: -2;
}
.applemusic-player-bg-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

.applemusic-player-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* 大屏自适应下移、小屏保持紧凑不溢出 */
    padding: calc(clamp(12px, 3.5vh, 45px) + env(safe-area-inset-top)) 28px calc(clamp(15px, 2.5vh, 30px) + env(safe-area-inset-bottom)) 28px;
    min-height: 0;
    overflow: hidden;
}

/* 顶部下拉指示条 */
.applemusic-player-drag-handle {
    width: 100%;
    height: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    margin-top: clamp(0px, 1vh, 10px);
    margin-bottom: clamp(4px, 1.5vh, 16px);
}
.applemusic-drag-bar {
    width: 40px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 3px;
}

/* 专辑封面 */
.applemusic-player-cover-large {
    width: 100% !important; /* 彻底保持 100% 宽度 */
    max-width: none !important;
    max-height: none !important;
    margin: clamp(8px, 2.5vh, 28px) auto clamp(12px, 3vh, 30px) auto;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: none;
    cursor: pointer;
    flex-shrink: 1;
}

.applemusic-player-cover-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 歌曲信息区 */
.applemusic-player-info-large {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0; /* 移除底部多余间距，防止出现内部滚动条 */
}
.applemusic-player-text-large {
    flex: 1;
    overflow: hidden;
}
.applemusic-player-title-large {
    font-size: 22px;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}
.applemusic-player-artist-large {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.applemusic-player-actions-large {
    display: flex;
    gap: 15px;
}
.applemusic-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.applemusic-action-btn svg {
    width: 18px;
    height: 18px;
    fill: #fff;
}
/* 单独放大三个点的图标 */
.applemusic-player-actions-large .applemusic-action-btn:last-child svg,
.applemusic-lyrics-actions .applemusic-action-btn:last-child svg,
.applemusic-current-actions .applemusic-action-btn:last-child svg {
    width: 24px;
    height: 24px;
}
/* 针对空心星的特殊处理 */
.applemusic-action-btn .applemusic-star-outline {
    fill: none;
    stroke: #fff;
    stroke-width: 2.8;
    stroke-linejoin: round;
    stroke-linecap: round;
}

/* 进度条 */
.applemusic-player-progress {
    margin-top: 20px; /* 减小顶部间距 */
    margin-bottom: 30px; /* 减小底部间距 */
}
.applemusic-progress-bar {
    width: 100%;
    height: 5px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    margin-bottom: 10px;
    position: relative;
}
.applemusic-progress-fill {
    width: 0%;
    height: 100%;
    background: #fff;
    border-radius: 3px;
}
.applemusic-progress-time {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}
.applemusic-dolby-icon {
    font-size: 12px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.5px;
}

/* 控制按钮 */
.applemusic-player-controls-large {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 55px;
    margin-bottom: 30px; /* 减小底部间距 */
}
.applemusic-player-controls-large svg {
    fill: #fff;
    cursor: pointer;
}
.applemusic-player-controls-large .applemusic-ctrl-prev,
.applemusic-player-controls-large .applemusic-ctrl-next {
    width: 50px;
    height: 50px;
}
.applemusic-player-controls-large .applemusic-ctrl-playpause {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.applemusic-player-controls-large .applemusic-ctrl-playpause svg {
    width: 100%;
    height: 100%;
}

/* 音量条 */
.applemusic-player-volume {
    display: flex;
    align-items: center;
    gap: 15px;
    /* 移除 margin-bottom: auto; 让上方容器把下半部分整体往下推 */
}

.applemusic-player-volume svg {
    width: 16px;
    height: 16px;
    color: #8e8e93;
}

.applemusic-volume-bar {
    flex: 1;
    height: 5px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}
.applemusic-volume-fill {
    width: 30%;
    height: 100%;
    background: #fff;
    border-radius: 3px;
}

/* 底部图标 */
.applemusic-player-bottom-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    margin-top: 30px;
}
.applemusic-player-bottom-actions svg {
    width: 28px;
    height: 28px;
    fill: rgba(255, 255, 255, 0.6);
    cursor: pointer;
}
.applemusic-player-bottom-actions .applemusic-active-icon {
    color: #fff !important;
}

/* 播放列表按钮包裹层与角标 */
.applemusic-list-btn-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px; /* 强制固定宽高，防止被 flex 挤压变形 */
    height: 28px;
    cursor: pointer;
}

/* 确保包裹层内的列表 SVG 填满容器 */
.applemusic-list-btn-wrapper > svg#applemusic-toggle-list-btn {
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
}

.applemusic-playmode-badge {
    position: absolute;
    top: -6px;
    right: -10px;
    width: 18px;
    height: 18px;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    pointer-events: none; /* 防止阻挡点击事件 */
    opacity: 1;
    transition: opacity 0.4s ease; /* 添加淡出动画 */
}

/* 用于 JS 控制隐藏的类名 */
.applemusic-playmode-badge.hidden {
    opacity: 0;
}

.applemusic-playmode-badge svg {
    width: 12px !important;
    height: 12px !important;
    fill: currentColor;
}

/* ================= 播放列表视图 (Up Next) ================= */
#applemusic-player-main-view {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    scrollbar-width: none;
}
#applemusic-player-main-view::-webkit-scrollbar {
    display: none;
}
#applemusic-player-list-view {
    display: none;
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none;
    margin-bottom: 20px;
    flex-direction: column;
    min-height: 0;
}
#applemusic-player-list-view::-webkit-scrollbar {
    display: none;
}
.applemusic-current-playing-header { display: flex; align-items: center; margin-bottom: 35px; }
.applemusic-current-cover { width: 64px; height: 64px; border-radius: 8px; margin-right: 15px; box-shadow: 0 4px 10px rgba(0,0,0,0.3); }
.applemusic-current-info { flex: 1; overflow: hidden; }
.applemusic-current-title { font-size: 18px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 4px; }
.applemusic-current-artist { font-size: 15px; color: rgba(255, 255, 255, 0.7); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.applemusic-current-actions { display: flex; gap: 12px; }
.applemusic-up-next-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 20px; }
.applemusic-up-next-title-area { display: flex; flex-direction: column; }
.applemusic-up-next-title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.applemusic-up-next-subtitle { font-size: 13px; color: rgba(255, 255, 255, 0.7); }
.applemusic-up-next-controls { display: flex; gap: 8px; }
.applemusic-control-pill { width: 42px; height: 32px; border-radius: 8px; background: transparent; display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.6); cursor: pointer; transition: all 0.2s ease; }
.applemusic-control-pill.applemusic-active { background: rgba(255, 255, 255, 0.15); color: #fff; }
.applemusic-control-pill svg { width: 18px; height: 18px; }
.applemusic-list-item { display: flex; align-items: center; margin-bottom: 16px; cursor: pointer; }
.applemusic-list-cover { width: 50px; height: 50px; border-radius: 6px; margin-right: 15px; background: #333; }
.applemusic-list-info { flex: 1; overflow: hidden; }
.applemusic-list-title { font-size: 16px; font-weight: 500; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.applemusic-list-artist { font-size: 14px; color: rgba(255, 255, 255, 0.6); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.applemusic-list-drag { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; margin-left: 10px; }
.applemusic-list-drag svg { width: 20px; height: 20px; fill: rgba(255, 255, 255, 0.4); }

/* ================= 歌词视图 ================= */
#applemusic-player-lyrics-view {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
    margin-bottom: 20px;
    min-height: 0;
}
.applemusic-lyrics-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    flex-shrink: 0;
}

.applemusic-lyrics-cover {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    margin-right: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.applemusic-lyrics-info {
    flex: 1;
    overflow: hidden;
}
.applemusic-lyrics-title {
    font-size: 18px;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}
.applemusic-lyrics-artist {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.applemusic-lyrics-container {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none;
    scroll-behavior: smooth;
    padding-top: 40%; /* 新增：让首行歌词也能居中往下移 */
    padding-bottom: 60%;
    mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 80%, transparent 100%);
    min-height: 0;
    position: relative; /* 确保 offsetTop 计算准确 */
}

.applemusic-lyrics-container::-webkit-scrollbar {
    display: none;
}
.applemusic-lyric-line {
    font-size: 26px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 24px;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    transform-origin: left center;
    line-height: 1.3;
    white-space: normal;
    word-wrap: break-word;
    word-break: break-word;
}
.applemusic-lyric-line.applemusic-active {
    color: #fff;
    transform: scale(1.05);
    text-shadow: 0 2px 10px rgba(255,255,255,0.2);
}

/* ================= 歌手主页专属样式 ================= */
#applemusic-view-artist {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    z-index: 40;
    background-color: #1a1a1a;
    color: #ffffff;
    padding-bottom: 120px;
    transition: background-color 0.6s ease;
}
#applemusic-view-artist.applemusic-active {
    animation: applemusicFadeInArtist 0.35s forwards;
}
@keyframes applemusicFadeInArtist {
    from { opacity: 0; }
    to { opacity: 1; }
}
#applemusic-view-artist .applemusic-header-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 65vh;
    background: url('https://images.unsplash.com/photo-1506157786151-b8491531f063?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80') center 20%/cover no-repeat;
    z-index: -1;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
}
#applemusic-view-artist .applemusic-nav-btn-fixed {
    position: fixed; top: 50px; z-index: 100; display: flex; align-items: center; justify-content: center; color: #fff;
    background: rgba(255, 255, 255, 0.01); backdrop-filter: blur(8px) saturate(150%); -webkit-backdrop-filter: blur(8px) saturate(150%);
    border: 0.5px solid rgba(255, 255, 255, 0.1); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2); cursor: pointer;
}
#applemusic-view-artist .applemusic-nav-btn-fixed.applemusic-left { left: 20px; }
#applemusic-view-artist .applemusic-nav-btn-fixed.applemusic-right { right: 20px; }
#applemusic-view-artist .applemusic-nav-btn-fixed.applemusic-circle { width: 40px; height: 40px; border-radius: 50%; }
#applemusic-view-artist .applemusic-nav-btn-fixed.applemusic-pill { height: 40px; border-radius: 20px; padding: 0 16px; gap: 18px; }
#applemusic-view-artist .applemusic-nav-btn-fixed svg { width: 24px; height: 24px; fill: currentColor; }
#applemusic-view-artist .applemusic-artist-info { margin-top: 22vh; display: flex; flex-direction: column; align-items: center; position: relative; z-index: 10; }
#applemusic-view-artist .applemusic-artist-name { font-size: 42px; font-weight: 800; letter-spacing: 2px; margin-bottom: 20px; text-shadow: 0 4px 12px rgba(0,0,0,0.3); }
#applemusic-view-artist .applemusic-artist-actions { display: flex; align-items: center; gap: 20px; }
#applemusic-view-artist .applemusic-glass-btn { background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 0.05); display: flex; align-items: center; justify-content: center; cursor: pointer; color: #fff; }
#applemusic-view-artist .applemusic-glass-btn.applemusic-circle { width: 36px; height: 36px; border-radius: 50%; }
#applemusic-view-artist .applemusic-glass-btn svg { width: 20px; height: 20px; fill: currentColor; }
#applemusic-view-artist .applemusic-btn-play-large { width: 64px; height: 64px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(0,0,0,0.2); cursor: pointer; }
#applemusic-view-artist .applemusic-btn-play-large svg { width: 32px; height: 32px; fill: #000000; margin-left: 4px; }
/* 修改背景为白色半透明磨砂，透出底层颜色 */
#applemusic-view-artist .applemusic-latest-release { margin: 30px 20px; background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px); border-radius: 24px; padding: 16px; display: flex; align-items: center; border: 1px solid rgba(255,255,255,0.08); }
#applemusic-view-artist .applemusic-release-cover { width: 80px; height: 80px; border-radius: 12px; margin-right: 16px; object-fit: cover; box-shadow: 0 4px 10px rgba(0,0,0,0.3); }
#applemusic-view-artist .applemusic-release-info { flex: 1; }
#applemusic-view-artist .applemusic-release-date { font-size: 12px; color: rgba(255, 255, 255, 0.6); margin-bottom: 4px; }
#applemusic-view-artist .applemusic-release-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; line-height: 1.3; }
#applemusic-view-artist .applemusic-release-count { font-size: 13px; color: rgba(255, 255, 255, 0.6); }
/* 删除了 btn-download 相关的 CSS */
#applemusic-view-artist .applemusic-top-songs { padding: 0 20px; }
#applemusic-view-artist .applemusic-section-title { font-size: 18px; font-weight: 700; margin-bottom: 15px; display: flex; align-items: center; color: #fff; }
#applemusic-view-artist .applemusic-section-title svg { width: 16px; height: 16px; fill: rgba(255, 255, 255, 0.6); margin-left: 4px; }
#applemusic-view-artist .applemusic-song-item { display: flex; flex-direction: row; width: 100%; flex: initial; align-items: center; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05); cursor: pointer; }
#applemusic-view-artist .applemusic-song-item:last-child { border-bottom: none; }
#applemusic-view-artist .applemusic-song-cover { width: 50px; height: 50px; border-radius: 8px; margin-right: 15px; object-fit: cover; }
#applemusic-view-artist .applemusic-song-details { flex: 1; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
#applemusic-view-artist .applemusic-song-name { font-size: 16px; font-weight: 600; margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #fff; }
#applemusic-view-artist .applemusic-song-album { font-size: 13px; color: rgba(255, 255, 255, 0.6); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#applemusic-view-artist .applemusic-btn-more { padding: 0 0 0 15px; color: rgba(255, 255, 255, 0.6); display: flex; align-items: center; }
#applemusic-view-artist .applemusic-btn-more svg { width: 20px; height: 20px; fill: currentColor; }

/* 歌手页专属底部悬浮栏 */
.applemusic-artist-bottom-container {
    position: fixed; bottom: 25px; left: 20px; right: 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 12px; z-index: 100;
}
.applemusic-artist-bottom-btn {
    width: 50px; height: 50px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0; cursor: pointer;
    background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(15px) saturate(150%); -webkit-backdrop-filter: blur(15px) saturate(150%);
    border: 0.5px solid rgba(255, 255, 255, 0.1); box-shadow: 0 10px 30px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.1);
}
.applemusic-artist-bottom-btn svg { width: 24px; height: 24px; fill: #fff; }

.applemusic-artist-bottom-player-pill {
    flex: 1; height: 50px; border-radius: 25px;
    display: flex; align-items: center; padding: 0 16px 0 6px; cursor: pointer; overflow: hidden;
    background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(15px) saturate(150%); -webkit-backdrop-filter: blur(15px) saturate(150%);
    border: 0.5px solid rgba(255, 255, 255, 0.1); box-shadow: 0 10px 30px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.1);
}
.applemusic-artist-bottom-cover { width: 38px; height: 38px; border-radius: 50%; margin-right: 10px; object-fit: cover; background: rgba(0,0,0,0.2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.applemusic-artist-bottom-cover svg { width: 18px; height: 18px; fill: rgba(255,255,255,0.5); }
.applemusic-artist-bottom-info { flex: 1; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.applemusic-artist-bottom-title { font-size: 14px; font-weight: 700; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 2px; }
.applemusic-artist-bottom-artist { font-size: 12px; color: rgba(255,255,255,0.7); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.applemusic-artist-bottom-controls { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.applemusic-artist-bottom-controls svg { width: 20px; height: 20px; fill: #fff; }

/* ================= 创建歌单弹窗样式 ================= */
.applemusic-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4); z-index: 99999;
    display: none; flex-direction: column; justify-content: flex-end;
    opacity: 0; transition: opacity 0.3s ease;
}
.applemusic-modal-overlay.applemusic-active { display: flex; opacity: 1; }
.applemusic-modal-content {
    background: #ffffff; width: 100%; height: 65vh;
    border-radius: 20px 20px 0 0; display: flex; flex-direction: column;
    transform: translateY(100%); transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    color: #000;
}
.applemusic-modal-overlay.applemusic-active .applemusic-modal-content { transform: translateY(0); }
.applemusic-modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px; border-bottom: 1px solid rgba(0,0,0,0.05);
}
.applemusic-modal-btn { font-size: 16px; font-weight: 500; cursor: pointer; }
.applemusic-modal-btn.applemusic-cancel { color: #fa243c; }
.applemusic-modal-btn.applemusic-create { color: #c7c7cc; pointer-events: none; transition: color 0.2s; }
.applemusic-modal-btn.applemusic-create.applemusic-active { color: #fa243c; pointer-events: auto; }
.applemusic-modal-title { font-size: 17px; font-weight: 700; }
.applemusic-modal-body { flex: 1; display: flex; flex-direction: column; align-items: center; padding-top: 40px; }
.applemusic-cover-upload-area {
    width: 200px; height: 200px; background: #f2f2f7; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden; cursor: pointer; margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.applemusic-cover-upload-area img { width: 100%; height: 100%; object-fit: cover; display: none; }
.applemusic-camera-icon-wrapper {
    width: 60px; height: 60px; border-radius: 50%; background: #fa243c;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px rgba(250, 36, 60, 0.3); position: absolute;
}
.applemusic-camera-icon-wrapper svg { width: 30px; height: 30px; fill: #fff; }
.applemusic-title-input-wrapper { width: 80%; border-bottom: 1px solid rgba(0,0,0,0.1); padding-bottom: 10px; }
.applemusic-title-input-wrapper input {
    width: 100%; border: none; outline: none; text-align: center;
    font-size: 22px; font-weight: 600; color: #000; background: transparent;
    caret-color: #fa243c;
}
.applemusic-title-input-wrapper input::placeholder { color: #c7c7cc; }
/* ================= 歌单详情右上角更多菜单 ================= */
.applemusic-playlist-more-menu {
    position: absolute;
    width: 220px;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border-radius: 18px;
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    border: 0.5px solid rgba(0,0,0,0.05);
    overflow: hidden;
    transform-origin: top right;
    animation: applemusicMenuPop 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.applemusic-playlist-more-menu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    font-size: 16px;
    color: #000;
    border-bottom: none;
    cursor: pointer;
}
.applemusic-playlist-more-menu-item.submenu {
    padding: 10px 16px;
    font-size: 15px;
}
.applemusic-playlist-more-menu-item:active {
    background: rgba(0,0,0,0.05);
}
.applemusic-playlist-more-menu-item.danger {
    color: #ff3b30;
}
.applemusic-playlist-more-menu-item svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
}

/* ================= 更多操作菜单 (三个点) ================= */
.applemusic-more-menu-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 100000;
    display: none;
}
.applemusic-more-menu {
    position: absolute;
    width: 220px;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border-radius: 18px;
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    border: 0.5px solid rgba(0,0,0,0.05);
    overflow: hidden;
    transform-origin: top right;
    animation: applemusicMenuPop 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes applemusicMenuPop {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}
.applemusic-more-menu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    font-size: 16px;
    color: #000;
    border-bottom: none;
    cursor: pointer;
}
.applemusic-more-menu-item:active {
    background: rgba(0,0,0,0.05);
}
.applemusic-more-menu-item.danger {
    color: #ff3b30;
}
.applemusic-more-menu-item svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

/* ================= 添加至歌单抽屉 ================= */
.applemusic-playlist-drawer-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4); z-index: 100001;
    display: none; flex-direction: column; justify-content: flex-end;
    opacity: 0; transition: opacity 0.3s ease;
}
.applemusic-playlist-drawer-overlay.applemusic-active { display: flex; opacity: 1; }
.applemusic-playlist-drawer {
    background: #ffffff; width: 100%; height: 65vh; /* 改为固定高度 */
    border-radius: 20px 20px 0 0; display: flex; flex-direction: column;
    transform: translateY(100%); transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    color: #000; padding-bottom: env(safe-area-inset-bottom);
}
.applemusic-playlist-drawer-overlay.applemusic-active .applemusic-playlist-drawer { transform: translateY(0); }
.applemusic-drawer-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px; border-bottom: 1px solid rgba(0,0,0,0.05);
}
.applemusic-drawer-title { font-size: 17px; font-weight: 700; flex: 1; text-align: center; }
.applemusic-drawer-btn { font-size: 16px; cursor: pointer; font-weight: 500; width: 50px; }
.applemusic-drawer-btn.cancel { color: #8e8e93; text-align: left; }
.applemusic-drawer-btn.confirm { color: #fa243c; text-align: right; opacity: 0.5; pointer-events: none; transition: opacity 0.2s; }
.applemusic-drawer-btn.confirm.active { opacity: 1; pointer-events: auto; }

.applemusic-drawer-list {
    flex: 1; overflow-y: auto; padding: 10px 20px;
}
.applemusic-drawer-item {
    display: flex; align-items: center; padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05); cursor: pointer;
    position: relative;
}
.applemusic-drawer-item:last-child { border-bottom: none; }
.applemusic-drawer-cover {
    width: 50px; height: 50px; border-radius: 6px;
    background: #f2f2f7; margin-right: 15px; object-fit: cover;
    display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.applemusic-drawer-cover svg { width: 24px; height: 24px; fill: #c7c7cc; }
.applemusic-drawer-info { flex: 1; font-size: 16px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color 0.2s; }

/* 选中状态样式 */
.applemusic-drawer-item.selected .applemusic-drawer-info { color: #fa243c; }
.applemusic-drawer-check { display: none; width: 20px; height: 20px; fill: #fa243c; margin-left: 10px; }
.applemusic-drawer-item.selected .applemusic-drawer-check { display: block; }

/* ================= 编辑歌单列表样式 ================= */
.applemusic-edit-song-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    background: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.applemusic-edit-song-item.dragging {
    opacity: 0.5;
    background: #f9f9f9;
}
.applemusic-edit-checkbox {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1.5px solid #c7c7cc;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s;
}
.applemusic-edit-checkbox.selected {
    background: #fa243c;
    border-color: #fa243c;
}
.applemusic-edit-checkbox svg {
    width: 14px;
    height: 14px;
    stroke: #fff;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: block;
}
.applemusic-edit-checkbox.selected svg {
    opacity: 1;
    transform: scale(1);
}

/* 拖拽排序专属样式 */
.applemusic-edit-song-item {
    position: relative;
    background: #fff;
    z-index: 1;
}
.applemusic-edit-song-item.is-ghost {
    opacity: 0; /* 原节点变透明作为占位符 */
}
.applemusic-edit-song-item.is-dragged {
    position: fixed;
    z-index: 100000;
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    border-radius: 12px;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    pointer-events: none; /* 让事件穿透到下方元素 */
    transition: none;
    border-bottom: none;
}

.applemusic-edit-song-cover {
    width: 46px;
    height: 46px;
    border-radius: 6px;
    margin-right: 12px;
    object-fit: cover;
    flex-shrink: 0;
}
.applemusic-edit-song-info {
    flex: 1;
    overflow: hidden;
}
.applemusic-edit-song-name {
    font-size: 16px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #000;
}
.applemusic-edit-song-artist {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}
.applemusic-edit-drag-handle {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    flex-shrink: 0;
}
.applemusic-edit-drag-handle:active {
    cursor: grabbing;
}
/* ================= 置顶区域样式 ================= */
.applemusic-pinned-container {
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 10px;
}
.applemusic-pinned-row {
    display: flex;
    justify-content: center;
    gap: 15px;
}
.applemusic-pinned-item {
    width: calc((100vw - 70px) / 3); /* 减去左右padding 40px 和 两个gap 30px */
    max-width: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}
.applemusic-pinned-item:active {
    transform: scale(0.96);
    opacity: 0.9;
}
.applemusic-pinned-cover {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-bottom: 8px;
    background: #f2f2f7;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0.5px solid rgba(0,0,0,0.05);
}
.applemusic-pinned-cover svg {
    width: 40%;
    height: 40%;
    fill: #c7c7cc;
}
.applemusic-pinned-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    text-align: center;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================= Settings 页面专属样式 ================= */
.applemusic-settings-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    margin-bottom: 10px;
}
.applemusic-settings-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #f2f2f7;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #98989d;
    margin-bottom: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.applemusic-settings-avatar svg {
    width: 50px;
    height: 50px;
}
.applemusic-settings-name {
    font-size: 20px;
    font-weight: 700;
}
.applemusic-settings-group {
    margin: 0 20px 24px 20px;
    background: #f2f2f7;
    border-radius: 12px;
    overflow: hidden;
}
.applemusic-settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 16px;
    cursor: pointer;
}
.applemusic-settings-item:last-child {
    border-bottom: none;
}
.applemusic-settings-item:active {
    background: rgba(0,0,0,0.03);
}
.applemusic-settings-label {
    font-weight: 500;
}
.applemusic-settings-value {
    color: var(--text-secondary);
    font-size: 15px;
}
.applemusic-settings-danger {
    color: #fa243c;
    justify-content: center;
    font-weight: 600;
}
/* Apple Music 风格 Toggle */
.applemusic-toggle {
    width: 50px;
    height: 30px;
    border-radius: 15px;
    background: #e5e5ea;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
}
.applemusic-toggle.active {
    background: #34c759; /* iOS Green */
}
.applemusic-toggle-thumb {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #fff;
    position: absolute;
    top: 2px;
    left: 2px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}
.applemusic-toggle.active .applemusic-toggle-thumb {
    transform: translateX(20px);
}
/* ================= 本地音乐导入弹窗专属样式 ================= */
.applemusic-local-carousel-wrapper {
    width: 100%;
    height: 140px;
    overflow: hidden;
    position: relative;
}
.applemusic-local-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    height: 100%;
    align-items: center;
    /* 保证第一个和最后一个卡片能居中，120px是卡片宽度，20px是margin */
    padding: 0 calc(50vw - 70px);
}
.applemusic-local-carousel::-webkit-scrollbar {
    display: none;
}
.applemusic-local-carousel-card {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
    scroll-snap-align: center;
    margin: 0 10px;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.3s ease, box-shadow 0.3s ease;
    opacity: 0.4;
    transform: scale(0.8);
    /* 去除背景和边框 */
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
.applemusic-local-carousel-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}
.applemusic-local-carousel-card svg {
    width: 100%;
    height: 100%;
    fill: var(--theme-active);
    background: #f2f2f7; /* 如果是SVG图标，给它一个底色 */
    border-radius: 12px;
}
.applemusic-local-carousel-card.active {
    opacity: 1;
    transform: scale(1);
    /* 去除阴影，保持纯白背景下的干净视觉 */
    box-shadow: none;
}
.applemusic-local-playlist-name {
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    margin-top: 15px;
    color: var(--text-main);
    transition: opacity 0.2s;
}

/* 滑动指示器 (小圆点) */
.applemusic-carousel-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    margin-bottom: 20px;
}
.applemusic-carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(0,0,0,0.15);
    transition: background 0.3s, transform 0.3s;
}
.applemusic-carousel-dot.active {
    background: var(--theme-active);
    transform: scale(1.2);
}

/* 美化文件上传按钮 (虚线卡片风格) */
.applemusic-file-upload-btn {
    display: flex;
    flex-direction: row; /* 改为横向排列 */
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: rgba(250, 36, 60, 0.05); /* 极浅的红色背景 */
    border: 1.5px dashed rgba(250, 36, 60, 0.3);
    border-radius: 14px;
    padding: 16px 20px; /* 调整内边距适应单行 */
    color: var(--theme-active);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.applemusic-file-upload-btn:active {
    background: rgba(250, 36, 60, 0.1);
    transform: scale(0.98);
}
.applemusic-file-upload-btn input[type="file"] {
    display: none;
}

/* ================= 导入歌单教程轮播与输入框样式 ================= */
.applemusic-tutorial-carousel-wrapper {
    width: 100%;
    height: 360px;
    overflow: hidden;
    position: relative;
}
.applemusic-tutorial-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    height: 100%;
    align-items: center;
    /* 卡片宽160 + margin 10*2 = 180，一半是90，这样左右两侧能露出相邻卡片 */
    padding: 0 calc(50vw - 90px);
}
.applemusic-tutorial-carousel::-webkit-scrollbar {
    display: none;
}
.applemusic-tutorial-card {
    width: 160px;
    flex-shrink: 0;
    scroll-snap-align: center;
    margin: 0 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0.5;
    transform: scale(0.85);
}
.applemusic-tutorial-card.active {
    opacity: 1;
    transform: scale(1);
}

/* 手机边框 Mockup */
.applemusic-phone-mockup {
    width: 160px;
    height: 320px;
    border: 6px solid #1c1c1e;
    border-radius: 24px;
    background: #ffffff;
    position: relative;
    box-shadow: none; /* 去除阴影 */
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.applemusic-phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 12px;
    background: #1c1c1e;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    z-index: 10;
}
.applemusic-phone-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #f2f2f7;
    position: relative;
    padding: 0;
    overflow: hidden;
}

/* 教程内部排版 (模仿网易云) */
.mock-ui-bg {
    background: linear-gradient(to bottom, #d1d1d6 0%, #f2f2f7 40%);
}
.mock-nav {
    display: flex;
    justify-content: space-between;
    padding: 20px 12px 10px;
}
.mock-back, .mock-more {
    width: 16px;
    height: 16px;
    background: rgba(255,255,255,0.5);
    border-radius: 50%;
}
.mock-center-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 10px;
}
.mock-big-cover {
    width: 80px;
    height: 80px;
    background: #a1a1aa;
    border-radius: 12px;
    margin-bottom: 10px;
}
.mock-title-text {
    font-size: 12px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 4px;
}
.mock-author-text {
    font-size: 9px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 12px;
}
.mock-action-row {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 16px;
    padding: 0 10px;
}
.mock-action-btn {
    background: rgba(255,255,255,0.5);
    color: #000;
    font-size: 8px;
    padding: 3px 6px;
    border-radius: 10px;
    font-weight: 600;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 2px;
}
.mock-action-btn svg {
    width: 9px;
    height: 9px;
    fill: currentColor;
}
.mock-action-btn.active-btn {
    background: #ffffff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.mock-list-area {
    flex: 1;
    background: #fff;
    border-radius: 16px 16px 0 0;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.mock-play-all {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 800;
    color: #000;
}
.mock-play-icon {
    width: 16px;
    height: 16px;
    background: var(--theme-active);
    border-radius: 50%;
}
.mock-song-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.mock-song-title {
    width: 80%;
    height: 8px;
    background: #e5e5ea;
    border-radius: 4px;
}
.mock-song-sub {
    width: 50%;
    height: 6px;
    background: #f2f2f7;
    border-radius: 3px;
}

/* 气泡提示样式 (集中在一个屏幕内) */
.applemusic-tutorial-bubble {
    position: absolute;
    background: #fa243c;
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    padding: 6px 10px;
    border-radius: 8px;
    z-index: 20;
    box-shadow: 0 4px 12px rgba(250, 36, 60, 0.3);
    white-space: nowrap;
}
.bubble-step1 {
    top: 45px;
    left: 15px;
}
.bubble-step2 {
    top: 155px;
    left: 15px;
}
.bubble-step3 {
    bottom: 55px;
    left: 55px;
}

/* 分享面板 */
.mock-share-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 15;
}
.mock-share-panel-v2 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: #f2f2f7;
    border-radius: 12px 12px 0 0;
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.mock-share-title {
    font-size: 8px;
    font-weight: 800;
    color: #000;
    text-align: left;
    margin-bottom: 2px;
}
.mock-share-row-v2 {
    display: flex;
    justify-content: flex-start;
    gap: 12px;
}
.mock-share-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.mock-share-icon-circle {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    border: 0.5px solid rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}
.mock-share-icon-circle svg {
    width: 8px;
    height: 8px;
    stroke: #333;
}
.mock-share-item.active .mock-share-icon-circle {
    background: #fa243c;
    border-color: #fa243c;
}
.mock-share-item.active .mock-share-icon-circle svg {
    stroke: #fff;
}
.mock-share-text {
    width: 14px;
    height: 3px;
    background: #d1d1d6;
    border-radius: 1.5px;
}

/* 导入歌单预览列表样式 */
.applemusic-import-preview-item {
    display: flex;
    align-items: center;
    padding: 10px;
    background: #f2f2f7;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.2s;
}
.applemusic-import-preview-item:active {
    background: #e5e5ea;
}
.applemusic-import-preview-cover {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    margin-right: 12px;
    object-fit: cover;
    background: #d1d1d6;
}
.applemusic-import-preview-info {
    flex: 1;
    overflow: hidden;
}
.applemusic-import-preview-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}
.applemusic-import-preview-count {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 粘贴框 */
.mock-input-capsule {
    width: 80%;
    height: 32px;
    background: #e5e5ea;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #8e8e93;
    font-weight: 600;
    margin: 0 auto;
}

/* 胶囊输入框与解析按钮 */
.applemusic-capsule-input-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
    background: #f2f2f7;
    border: 1.5px solid transparent;
    border-radius: 999px;
    padding: 4px 4px 4px 20px;
    transition: all 0.2s;
}
.applemusic-capsule-input-wrapper:focus-within {
    border-color: var(--theme-active);
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(250, 36, 60, 0.1);
}
.applemusic-capsule-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    text-align: left;
    outline: none;
    padding: 12px 0;
    min-width: 0; /* 关键修复：防止 input 默认最小宽度撑开 flex 容器 */
    width: 100%;
}
.applemusic-capsule-input::placeholder {
    color: #8e8e93;
}
.applemusic-parse-btn {
    background: var(--theme-active);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 999px;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.1s;
}
.applemusic-parse-btn:active {
    transform: scale(0.95);
}

/* ================= 邀请一起听歌居中毛玻璃弹窗 ================= */
.applemusic-invite-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100000;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.applemusic-invite-overlay.applemusic-active {
    display: flex;
    opacity: 1;
}
.applemusic-invite-glass-panel {
    width: 310px;
    border-radius: 28px;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.15);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.applemusic-invite-overlay.applemusic-active .applemusic-invite-glass-panel {
    transform: scale(1);
}
.applemusic-invite-header {
    display: flex; align-items: center; gap: 8px; margin-bottom: 24px;
    justify-content: center; color: #333; font-size: 14px; font-weight: 600;
}
.applemusic-invite-header svg { width: 16px; height: 16px; }
.applemusic-invite-info { text-align: center; margin-bottom: 24px; }
.applemusic-invite-name { font-size: 20px; font-weight: 800; color: #000; margin-bottom: 4px; }
.applemusic-invite-actions { display: flex; gap: 12px; }
.applemusic-invite-btn { flex: 1; padding: 12px 0; border-radius: 16px; font-size: 16px; font-weight: 600; cursor: pointer; text-align: center; transition: transform 0.1s; }
.applemusic-invite-btn:active { transform: scale(0.95); }
.applemusic-invite-btn.cancel { background: rgba(0,0,0,0.08); color: #000; }
.applemusic-invite-btn.confirm { background: #FF3B30; color: #fff; box-shadow: 0 4px 12px rgba(255, 59, 48, 0.3); }

/* 轮播图样式 */
.applemusic-invite-carousel-container {
    width: 100%;
    height: 160px;
    overflow: hidden;
    position: relative;
    margin-bottom: 16px;
}
.applemusic-invite-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    height: 100%;
    align-items: center;
    padding: 0 calc(50% - 70px); /* 140px / 2 = 70px，保证居中 */
}
.applemusic-invite-carousel::-webkit-scrollbar {
    display: none;
}
.applemusic-invite-carousel-card {
    width: 140px;
    height: 140px;
    flex-shrink: 0;
    scroll-snap-align: center;
    margin: 0 10px;
    border-radius: 24px;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease, box-shadow 0.3s ease;
    opacity: 0.4;
    transform: scale(0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eee;
}
.applemusic-invite-carousel-card.active {
    opacity: 1;
    transform: scale(1);
}
.applemusic-invite-carousel-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.applemusic-invite-carousel-card svg {
    width: 50%;
    height: 50%;
    fill: #c7c7cc;
}

/* ================= 悬浮音乐条 (全新白灰虚实双弦轨 · 精简紧凑宽度) ================= */
#applemusic-dynamic-island {
    position: fixed;
    top: 36px;
    left: 50%;
    transform: translateX(-50%);
    width: 230px; /* 减小悬浮条宽度至 230px */
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0;
    cursor: grab;
    z-index: 2147483646 !important;
    user-select: none;
    -webkit-user-select: none;
}
#applemusic-dynamic-island:active {
    cursor: grabbing;
}

.am-track-main-row {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0 2px;
    position: relative;
    z-index: 2;
}

.applemusic-island-cover-wrapper {
    width: 34px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-shrink: 0;
    position: relative;
}

.applemusic-island-cover {
    display: block;
    width: 26px !important;
    height: 26px !important;
    border-radius: 50%;
    object-fit: cover;
    animation: applemusicSpin 6s linear infinite;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.15);
    flex-shrink: 0;
    background-color: #2d3139;
}
.applemusic-island-cover.paused {
    animation-play-state: paused;
}
@keyframes applemusicSpin {
    100% { transform: rotate(360deg); }
}

.applemusic-island-lyric-container {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    align-items: center;
    padding: 0 6px;
    position: relative;
    mask-image: linear-gradient(to right, black 85%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, black 85%, transparent 100%);
    font-family: "Songti SC", "Source Han Serif SC", "STSong", "Noto Serif SC", "SimSun", serif;
}

.applemusic-island-lyric-text {
    display: inline-flex;
    align-items: baseline;
    gap: 3px;
    white-space: nowrap;
    line-height: 1.2;
    will-change: transform;
}

/* 仅在文字超长时激活的高级平滑往返滚动动画 */
.applemusic-island-lyric-text.is-scrolling {
    animation: amIslandLyricScroll var(--marquee-duration, 6s) ease-in-out infinite alternate;
}

.applemusic-island-lyric-text.paused {
    animation-play-state: paused;
}

@keyframes amIslandLyricScroll {
    0%, 20% {
        transform: translateX(0);
    }
    80%, 100% {
        transform: translateX(var(--overflow-dist, -30px));
    }
}

.am-lyric-first {
    font-size: 16.5px;
    font-weight: 700;
    color: #ffffff;
    opacity: 0.95;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.35);
    flex-shrink: 0;
}

.am-lyric-rest {
    font-size: 12px;
    font-weight: 500;
    color: rgba(248, 250, 252, 0.7);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.lyric-text-fade {
    animation: amLyricFadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes amLyricFadeIn {
    0% { opacity: 0; transform: translateY(3px); filter: blur(2px); }
    100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.am-island-play-btn {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    border-radius: 50%;
    opacity: 0.85;
    transition: transform 0.15s, opacity 0.15s;
}
.am-island-play-btn:hover { opacity: 1; }
.am-island-play-btn:active { transform: scale(0.9); }
.am-island-play-btn svg {
    width: 16px;
    height: 16px;
    fill: #ffffff;
}

/* 底部虚实双弦微几何线条 (间距为 0px) */
.am-bottom-rail {
    width: calc(100% - 20px);
    display: flex;
    flex-direction: column;
    gap: 1.5px;
    margin-top: 0px !important; /* 关键要求：间距严格为 0px */
    opacity: 0.45;
    pointer-events: none;
}

.am-rail-top {
    width: 58%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, #ffffff 80%, rgba(255,255,255,0.2) 100%);
    box-shadow: 0 0 3px rgba(255,255,255,0.5);
    transition: width 0.3s ease;
}

.am-rail-bottom {
    width: 100%;
    height: 0.5px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.5) 15%, rgba(255, 255, 255, 0.5) 85%, transparent 100%);
}

/* 一起听歌时的同频共振发光效果 */
#applemusic-dynamic-island.together-mode .am-rail-top {
    width: 75%;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.9) 50%, rgba(250, 36, 60, 0.8) 100%);
    box-shadow: 0 0 4px rgba(250, 36, 60, 0.6);
}

/* ================= 展开的音乐弹窗 ================= */
#applemusic-island-popup-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 2147483647 !important;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease; /* 仅保留 overlay 的透明度动画 */
    display: flex;
    align-items: center;
    justify-content: center;
}
#applemusic-island-popup-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.applemusic-island-popup {
    width: 310px;
    background: rgba(255, 255, 255, 0.85); /* 增加清透感 */
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 24px 48px rgba(0,0,0,0.15);
    border-radius: 36px;
    padding: 20px;
    /* 彻底修复闪烁：移除 transform 动画，固定在中心，依靠外层 overlay 淡入淡出 */
    transform: translateZ(0);
    color: #000;
}
.applemusic-popup-cover {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 16px;
}
.applemusic-popup-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.applemusic-popup-text {
    flex: 1;
    overflow: hidden;
}
.applemusic-popup-title {
    font-size: 18px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}
.applemusic-popup-artist {
    font-size: 15px;
    color: rgba(0, 0, 0, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.applemusic-popup-waveform {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 20px;
    padding-bottom: 2px;
}
.applemusic-popup-waveform div {
    width: 3px;
    background-color: #000;
    border-radius: 2px;
    animation: applemusicWave 1s infinite ease-in-out alternate;
}
.applemusic-popup-waveform div:nth-child(1) { height: 60%; animation-delay: 0.0s; }
.applemusic-popup-waveform div:nth-child(2) { height: 100%; animation-delay: 0.2s; }
.applemusic-popup-waveform div:nth-child(3) { height: 40%; animation-delay: 0.4s; }
.applemusic-popup-waveform div:nth-child(4) { height: 80%; animation-delay: 0.1s; }
@keyframes applemusicWave {
    0% { transform: scaleY(0.5); }
    100% { transform: scaleY(1); }
}
.applemusic-popup-progress-container {
    margin-bottom: 20px;
}
.applemusic-popup-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
    margin-bottom: 8px;
    position: relative;
}
.applemusic-popup-progress-fill {
    width: 0%;
    height: 100%;
    background: #000;
    border-radius: 3px;
    position: relative;
}
.applemusic-popup-progress-fill::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -3px;
    width: 12px;
    height: 12px;
    background: #000;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.applemusic-popup-time {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: rgba(0, 0, 0, 0.5);
    font-weight: 500;
}
.applemusic-popup-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.applemusic-popup-ctrl-left {
    flex: 1;
    display: flex;
    justify-content: flex-start;
}
.applemusic-popup-ctrl-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0px; /* 极小化控件间距 */
}
.applemusic-popup-ctrl-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.applemusic-popup-ctrl-list {
    width: 42px !important; /* 放大图标 */
    height: 42px !important;
    color: #8E8E93 !important; /* 设置为浅灰色 */
    cursor: pointer;
}
/* 隐藏弹窗内部列表的滚动条 */
#applemusic-popup-list-container::-webkit-scrollbar {
    display: none;
}
.applemusic-popup-controls svg {
    fill: #000;
    cursor: pointer;
    transition: opacity 0.2s;
}
.applemusic-popup-controls svg:active {
    opacity: 0.5;
}
/* 强制提升权重，确保星星放大 */
svg.applemusic-popup-ctrl-star { width: 40px !important; height: 40px !important; }
.applemusic-popup-ctrl-icon { width: 48px; height: 58px; } /* 放大上一首/下一首 */
.applemusic-popup-ctrl-play { width: 64px; height: 64px; } /* 放大播放/暂停 */
.applemusic-popup-volume {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}
.applemusic-popup-volume svg {
    width: 14px;
    height: 14px;
    fill: rgba(0, 0, 0, 0.5);
}
.applemusic-popup-volume-bar {
    flex: 1;
    height: 5px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
}
.applemusic-popup-volume-fill {
    width: 66%;
    height: 100%;
    background: #000;
    border-radius: 3px;
}
.applemusic-popup-airplay {
    display: flex;
    justify-content: center;
}
.applemusic-popup-airplay-btn {
    background: rgba(0, 0, 0, 0.05);
    padding: 8px 16px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.applemusic-popup-airplay-btn:active {
    background: rgba(0, 0, 0, 0.1);
}
.applemusic-popup-airplay-btn svg {
    width: 16px;
    height: 16px;
    fill: #000;
}

/* ================= 独立悬浮歌词容器 (纯装饰，绝对穿透不遮挡按键) ================= */
#applemusic-floating-lyrics-window {
    position: fixed;
    top: 72px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2147483645 !important;
    pointer-events: none !important; /* 关键：穿透所有点击事件，不遮挡任何按键 */
    user-select: none !important;
    -webkit-user-select: none !important;
    max-width: 90vw;
    width: max-content;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
}

#applemusic-floating-lyrics-window * {
    pointer-events: none !important;
}

/* ================= UI 样式一：错落几何风 (微五线谱底纹，长歌词自动折行) ================= */
.am-fl-style-1 {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    padding: 6px 12px;
    background: transparent !important;
}

.am-fl-s1-staff-decor {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    pointer-events: none;
    opacity: 0.22;
    z-index: 0;
}
.am-fl-s1-staff-line {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--fl-color, #ffffff) 20%, var(--fl-color, #ffffff) 80%, transparent 100%);
}
.am-fl-s1-clef {
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 26px;
    color: var(--fl-color, #ffffff);
    opacity: 0.45;
}

.am-fl-s1-chars-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: baseline;
    justify-content: center;
    flex-wrap: wrap; /* 短歌词保持单行，溢出时自动折行 */
    gap: 1px 0px;
    max-width: 100%;
    text-align: center;
    line-height: 1.4;
    word-break: break-word;
}
.am-fl-s1-space {
    width: 6px;
    display: inline-block;
}
.am-fl-s1-char {
    display: inline-block;
    font-weight: 800;
    margin: 0 0.5px;
    font-size: var(--fs, var(--fl-font-size, 18px));
    color: var(--fl-color, #ffffff);
    opacity: 0;
    transform: translateY(calc(var(--dy, 0px) + 10px)) scale(0.9);
    animation: amFlCharFadeIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    animation-delay: var(--delay, 0s);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}
.am-fl-s1-char.am-fl-s1-stroke {
    color: transparent !important;
    -webkit-text-stroke: 1.2px var(--fl-color, #ffffff);
}
.am-fl-s1-char.am-fl-s1-gradient {
    background: linear-gradient(180deg, var(--fl-color, #ffffff) 30%, rgba(255, 255, 255, 0.35) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.am-fl-s1-char.am-fl-s1-feather {
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,1) 55%, rgba(0,0,0,0.3) 100%);
    mask-image: linear-gradient(180deg, rgba(0,0,0,1) 55%, rgba(0,0,0,0.3) 100%);
}
.am-fl-s1-char.am-fl-s1-blur {
    filter: blur(0.4px);
}

@keyframes amFlCharFadeIn {
    0% {
        opacity: 0;
        transform: translateY(calc(var(--dy, 0px) + 10px)) scale(0.9);
        filter: blur(3px);
    }
    100% {
        opacity: 1;
        transform: translateY(var(--dy, 0px)) scale(1);
        filter: blur(0);
    }
}

/* ================= UI 样式二：网易云双行悬浮歌词 (透明无底色、无发光、单色) ================= */
.am-fl-style-2 {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    max-width: 100%;
    text-align: center;
}

.am-fl-s2-line-current {
    font-size: var(--fl-font-size, 18px);
    font-weight: 700;
    color: var(--fl-color, #ffffff);
    line-height: 1.4;
    max-width: 100%;
    text-align: center;
    white-space: normal;
    word-break: break-word;
    text-shadow: 0 1.5px 4px rgba(0, 0, 0, 0.7);
    animation: amFlNeteaseLineIn 0.35s ease forwards;
}

.am-fl-s2-line-next {
    font-size: calc(var(--fl-font-size, 18px) * 0.82);
    font-weight: 500;
    color: var(--fl-color, #ffffff);
    margin-top: 4px;
    line-height: 1.35;
    max-width: 100%;
    opacity: 0.65;
    text-align: center;
    white-space: normal;
    word-break: break-word;
    text-shadow: 0 1.5px 4px rgba(0, 0, 0, 0.6);
    animation: amFlNeteaseLineIn 0.4s ease forwards;
}

@keyframes amFlNeteaseLineIn {
    0% {
        opacity: 0;
        transform: translateY(6px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ================= UI 样式三：宋韵雨丝风 (首字实体大字羽化淡化 · 英文花词 · 纯净无镂空) ================= */
.am-fl-style-3 {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    padding: 10px 20px 8px;
    background: transparent !important;
    font-family: "Songti SC", "Source Han Serif SC", "Noto Serif SC", "STSong", "SimSun", "Songti TC", "Georgia", serif;
    text-shadow: none !important;
}

/* 英文歌词花词艺术字体 */
.am-fl-style-3.am-fl-s3-english {
    font-family: 'Brush Script MT', 'Snell Roundhand', 'Bickham Script Pro', 'Edwardian Script ITC', 'Zapfino', cursive, 'Georgia', serif;
    font-style: italic;
    letter-spacing: 1.2px;
}

/* 下雨动画背景 */
.am-fl-s3-rain-wrap {
    position: absolute;
    inset: -8px -6px -8px -6px;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}
.am-fl-s3-drop {
    position: absolute;
    top: -24px;
    left: var(--rx, 20%);
    width: 1px;
    height: var(--rh, 18px);
    background: linear-gradient(180deg, transparent 0%, var(--fl-color, #ffffff) 70%, transparent 100%);
    opacity: 0.28;
    transform: rotate(14deg);
    animation: amFlRainFall var(--dur, 1.2s) linear infinite;
    animation-delay: var(--rd, 0s);
}

@keyframes amFlRainFall {
    0% {
        transform: translateY(0) rotate(14deg);
        opacity: 0;
    }
    25% {
        opacity: 0.32;
    }
    85% {
        opacity: 0.26;
    }
    100% {
        transform: translateY(72px) rotate(14deg);
        opacity: 0;
    }
}

/* 歌词主文本行 */
.am-fl-s3-chars-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: baseline;
    justify-content: center;
    flex-wrap: wrap; /* 短歌词单行，溢出自动折行 */
    max-width: 100%;
    line-height: 1.25;
    word-break: break-word;
    text-shadow: none !important;
}

/* 首字：放大、淡淡的隐约显示、羽化、实体无镂空 */
.am-fl-s3-first-char {
    display: inline-block;
    font-size: calc(var(--fl-font-size, 18px) * 2.4);
    font-weight: 500;
    line-height: 1;
    margin-right: 4px;
    vertical-align: baseline;
    color: var(--fl-color, #ffffff) !important;
    opacity: 0.36;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 1) 15%, rgba(0, 0, 0, 0.2) 100%);
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 1) 15%, rgba(0, 0, 0, 0.2) 100%);
    text-shadow: none !important;
}

/* 后续歌词容器：正常水平平行排布，纯净文字 */
.am-fl-s3-rest-group {
    display: inline-flex;
    align-items: baseline;
    flex-wrap: wrap;
    line-height: 1.25;
}

.am-fl-s3-space {
    display: inline;
}

.am-fl-s3-char {
    display: inline-block;
    font-size: var(--fl-font-size, 18px);
    font-weight: 600;
    color: var(--fl-color, #ffffff);
    letter-spacing: 0.8px;
    line-height: 1;
    vertical-align: baseline;
    text-shadow: none !important;
    opacity: 1;
}

/* 结尾几个字的淡化梯度 */
.am-fl-s3-char.am-fl-s3-tail-fade-1 {
    opacity: 0.85;
}
.am-fl-s3-char.am-fl-s3-tail-fade-2 {
    opacity: 0.65;
}
.am-fl-s3-char.am-fl-s3-tail-fade-3 {
    opacity: 0.45;
}

/* 底部极细几何微装饰线条 */
.am-fl-s3-geom-bottom {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 65%;
    max-width: 150px;
    margin-top: 5px;
    opacity: 0.32;
}
.am-fl-s3-geom-line {
    flex: 1;
    height: 0.5px;
    background: linear-gradient(90deg, transparent 0%, var(--fl-color, #ffffff) 50%, transparent 100%);
}
.am-fl-s3-geom-point {
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: var(--fl-color, #ffffff);
}

/* ================= UI 样式四：行书飘逸随机风 ================= */
.am-fl-style-4 {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    padding: 18px 24px 14px;
    background: transparent !important;
    font-family: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    text-shadow: none !important;
}

.am-fl-s4-chars-wrap {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: baseline;
    justify-content: center;
    flex-wrap: wrap;
    letter-spacing: -0.5px; /* 紧凑排布 */
    line-height: 1.35;
    text-align: center;
}

.am-fl-s4-space {
    display: inline-block;
    width: 8px;
}

/* 首字放大飘逸 */
.am-fl-s4-char-first {
    font-family: 'Zhi Mang Xing', 'Brush Script MT', 'STKaiti', cursive, serif !important;
    font-size: calc(var(--fl-font-size, 18px) * 2.8);
    font-weight: normal;
    line-height: 0.85;
    margin-right: 6px;
    display: inline-block;
    vertical-align: baseline;
    transform-origin: center bottom;
    background: linear-gradient(175deg, var(--fl-color, #ffffff) 20%, rgba(255, 255, 255, 0.45) 85%, rgba(255, 255, 255, 0.15) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,1) 60%, rgba(0,0,0,0.45) 100%);
    mask-image: linear-gradient(180deg, rgba(0,0,0,1) 60%, rgba(0,0,0,0.45) 100%);
    opacity: 0;
    transform: scale(0.8) translateY(12px) rotate(-3deg);
    animation: amFlS4FirstCharGlideIn 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 随机飘逸字体 */
.am-fl-s4-char-cursive {
    font-family: 'Zhi Mang Xing', 'Brush Script MT', 'STKaiti', cursive, serif !important;
    font-size: calc(var(--fl-font-size, 18px) * 1.6);
    font-weight: normal;
    color: var(--fl-color, #ffffff);
    margin: 0 2px;
    display: inline-block;
    vertical-align: baseline;
    transform: translateY(2px);
}

/* 随机括号包裹 */
.am-fl-s4-bracket {
    font-family: -apple-system, sans-serif;
    font-size: calc(var(--fl-font-size, 18px) * 0.8);
    opacity: 0.4;
    font-weight: 300;
    margin: 0 1px;
    vertical-align: baseline;
}

/* 基础字符与动画 */
.am-fl-s4-char {
    display: inline-block;
    font-size: var(--fl-font-size, 18px);
    font-weight: 600;
    color: var(--fl-color, #ffffff);
    line-height: 1;
    margin: 0 1px;
    vertical-align: baseline;
    position: relative;
    opacity: 0;
    transform: translateY(10px);
    animation: amFlS4CharFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: var(--delay, 0s);
}

/* 独立材质效果 */
.am-fl-s4-effect-gradient {
    background: linear-gradient(180deg, var(--fl-color, #ffffff) 15%, rgba(255, 255, 255, 0.5) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.am-fl-s4-effect-stroke {
    color: transparent !important;
    -webkit-text-stroke: 1px var(--fl-color, #ffffff);
    opacity: 0.9;
}

.am-fl-s4-effect-feather {
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,1) 45%, rgba(0,0,0,0.3) 100%);
    mask-image: linear-gradient(180deg, rgba(0,0,0,1) 45%, rgba(0,0,0,0.3) 100%);
}

.am-fl-s4-effect-blur {
    filter: blur(0.4px);
    opacity: 0.85;
}

.am-fl-s4-effect-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 10%;
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--fl-color, #ffffff), transparent);
    opacity: 0.65;
}

/* 动画关键帧 */
@keyframes amFlS4FirstCharGlideIn {
    0% {
        opacity: 0;
        transform: scale(0.75) translateY(14px) rotate(-4deg);
        filter: blur(4px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0) rotate(0deg);
        filter: blur(0);
    }
}

@keyframes amFlS4CharFadeIn {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}