/* ===== 1. 全局重置与基础配置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-tap-highlight-color: transparent;
}
*::-webkit-scrollbar { 
    display: none; 
}

/* 确保输入框允许用户正常长按选择与输入 */
input, select, textarea {
    user-select: auto;
    -webkit-user-select: auto;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', system-ui, sans-serif;
    background: #0a0c12;
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
    transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ===== 2. 核心大面积模糊背景 (已开启硬件加速) ===== */
.dynamic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -3;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(60px) saturate(2.2) contrast(1.15);
    transform: scale(1.08) translateZ(0); /* translateZ(0) 激活 GPU 硬件加速 */
    backface-visibility: hidden;
    transition: background-image 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.2);
    will-change: background-image, transform;
}

.orbital-auras {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
    overflow: visible;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.8;
    transform: translateZ(0); /* 激活 GPU 硬件加速，防止光晕动画卡顿 */
    will-change: transform, left, top;
}

.glow-1 {
    width: 85vmax;
    height: 85vmax;
    background: radial-gradient(circle, rgba(255,200,120,0.7), rgba(255,120,80,0.4), transparent);
    animation: orbit1 6s infinite linear;
}
.glow-2 {
    width: 75vmax;
    height: 75vmax;
    background: radial-gradient(circle, rgba(140,120,240,0.75), rgba(80,180,230,0.5), transparent);
    animation: orbit2 8s infinite linear reverse;
}
.glow-3 {
    width: 95vmax;
    height: 65vmax;
    background: radial-gradient(circle, rgba(220,150,220,0.7), rgba(180,110,210,0.45), transparent);
    animation: orbit3 10s infinite linear;
}
.glow-4 {
    width: 70vmax;
    height: 70vmax;
    background: radial-gradient(circle, rgba(255,240,120,0.7), rgba(255,180,60,0.45), transparent);
    animation: orbit4 5s infinite linear reverse;
}

@keyframes orbit1 {
    0% { left: 10%; top: 20%; transform: translate(-50%, -50%) scale(1); }
    25% { left: 80%; top: 30%; transform: translate(-50%, -50%) scale(1.1); }
    50% { left: 70%; top: 70%; transform: translate(-50%, -50%) scale(0.95); }
    75% { left: 20%; top: 80%; transform: translate(-50%, -50%) scale(1.05); }
    100% { left: 10%; top: 20%; transform: translate(-50%, -50%) scale(1); }
}
@keyframes orbit2 {
    0% { left: 85%; top: 15%; transform: translate(-50%, -50%) scale(1); }
    33% { left: 20%; top: 40%; transform: translate(-50%, -50%) scale(1.15); }
    66% { left: 50%; top: 85%; transform: translate(-50%, -50%) scale(0.9); }
    100% { left: 85%; top: 15%; transform: translate(-50%, -50%) scale(1); }
}
@keyframes orbit3 {
    0% { left: 30%; top: 85%; transform: translate(-50%, -50%) scale(1); }
    50% { left: 70%; top: 20%; transform: translate(-50%, -50%) scale(1.2); }
    100% { left: 30%; top: 85%; transform: translate(-50%, -50%) scale(1); }
}
@keyframes orbit4 {
    0% { left: 50%; top: 50%; transform: translate(-50%, -50%) scale(0.8); }
    25% { left: 15%; top: 30%; transform: translate(-50%, -50%) scale(1.1); }
    50% { left: 85%; top: 60%; transform: translate(-50%, -50%) scale(0.9); }
    75% { left: 40%; top: 85%; transform: translate(-50%, -50%) scale(1.05); }
    100% { left: 50%; top: 50%; transform: translate(-50%, -50%) scale(0.8); }
}

.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    z-index: -1;
    backdrop-filter: brightness(0.85);
}

.player-app {
    width: 100%;
    height: 100vh;
    position: relative;
    z-index: 2;
}

/* ===== 3. 全屏与布局切换动画 ===== */
.fullscreen-transition-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0s linear 0.35s;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.fullscreen-transition-mask.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.35s ease, visibility 0s linear 0s;
}
.transition-text {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(50, 130, 240, 0.6);
    opacity: 0;
    transform: translateY(30px) scale(0.9);
}
.transition-text.animate {
    animation: textFlyInFadeOut 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes textFlyInFadeOut {
    0% { opacity: 0; transform: translateY(30px) scale(0.9); }
    25% { opacity: 1; transform: translateY(0) scale(1); }
    70% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(-15px) scale(0.95); }
}

@keyframes fullscreenEnter {
    0% { opacity: 0; transform: scale(0.97) translateY(10px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}
.player-app.web-fullscreen .desktop-layout {
    animation: fullscreenEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.player-app.web-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    background: transparent;
}
.player-app.web-fullscreen .dynamic-bg,
.player-app.web-fullscreen .bg-overlay,
.player-app.web-fullscreen .orbital-auras {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -2;
}
.player-app.web-fullscreen .mobile-layout {
    display: none;
}
.player-app.web-fullscreen .desktop-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* ===== 4. 桌面端布局样式 ===== */
.desktop-layout {
    display: flex;
    align-items: center;
    width: 100%;
    height: 100%;
    padding: 2rem;
    position: relative;
}
.fs-lyrics-separate {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    max-width: 600px;
    padding: 1.5rem 2rem;
    height: 75vh;
    display: flex;
    flex-direction: column;
}
.fs-lyrics-separate .fs-lyrics-header {
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    letter-spacing: 1px;
}
.fs-lyrics-separate .fs-lyrics-scroll {
    flex: 1;
    overflow-y: auto;
    padding-right: 6px;
}
.fs-lyrics-separate .fs-lyrics-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    align-items: stretch;
    padding-bottom: 1.5rem;
}
.fullscreen-glass {
    width: 380px;
    min-width: 360px;
    background: transparent;
    backdrop-filter: none;
    border-radius: 0;
    border: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 2rem 1.5rem;
    position: absolute;
    left: calc(25% - 190px);
    top: 50%;
    transform: translateY(-50%);
}
.fs-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.8rem;
    background: transparent;
}
.fs-lyrics-scroll {
    flex: 1;
    overflow-y: auto;
    padding-right: 6px;
    max-height: calc(85vh - 80px);
}
.fs-lyrics-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
    padding-bottom: 2rem;
}
.fs-cover-img {
    width: 340px;
    height: 340px;
    border-radius: 48px;
    overflow: hidden;
    box-shadow: 0 18px 32px rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.2);
}
.fs-cover-img:hover { transform: scale(1.02); }
.fs-cover-img img { width: 100%; height: 100%; object-fit: cover; }
.fs-song-meta { cursor: pointer; text-align: center; width: 100%; }
.fs-song-title {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #F1E6D4, #DDCEB0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.25rem;
}
.fs-song-artist { font-size: 1rem; color: #d4cbbe; }

.fs-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}
.fs-progress-area {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: #f0e3d0;
}
.fs-progress-bar {
    flex: 1;
    height: 4px;
    background: rgba(255, 245, 220, 0.3);
    border-radius: 20px;
    cursor: pointer;
    position: relative;
}
.fs-progress-fill {
    width: 0%;
    height: 100%;
    background: #ecd9b4;
    border-radius: 20px;
}
.fs-progress-thumb {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 12px;
    height: 12px;
    background: #ecd9b4;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    box-shadow: 0 0 8px rgba(236, 217, 180, 0.5);
}
.fs-progress-bar:hover .fs-progress-thumb {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
}
.fs-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    width: 100%;
}
.fs-btn {
    background: rgba(255, 245, 225, 0.12);
    border: 1px solid rgba(255, 245, 225, 0.25);
    width: 52px;
    height: 52px;
    min-width: 52px;
    min-height: 52px;
    max-width: 52px;
    max-height: 52px;
    border-radius: 50%;
    cursor: pointer;
    color: #f5e6d4;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-sizing: border-box;
    flex-shrink: 0;
}
.fs-btn.play-pause {
    background: #ecd9b4;
    border: none;
    color: #1e1b16;
    width: 64px;
    height: 64px;
    min-width: 64px;
    min-height: 64px;
    max-width: 64px;
    max-height: 64px;
    border-radius: 50%;
}
.fs-btn.repeat-active {
    background: rgba(236, 217, 180, 0.7);
    border-color: #ecd9b4;
    color: #1e1b16;
}

/* ===== 5. 桌面端全屏歌词系统 ===== */
.fs-lyric-item {
    width: 100%;
    transition: all 0.45s cubic-bezier(0.2, 0.85, 0.4, 1);
    cursor: pointer;
    opacity: 0.55;
    padding: 6px 0px;
}
.fs-lyric-item.left { text-align: left; }
.fs-lyric-item.right { text-align: right; }
.fs-lyric-item.center { text-align: center; }
.fs-lyric-text-wrapper { display: inline-block; position: relative; }
.fs-lyric-text {
    font-size: 1.4rem;
    color: #f0e2cf;
    display: inline-block;
    padding: 0 6px;
    transition: all 0.45s cubic-bezier(0.2, 0.85, 0.4, 1);
}
.fs-singer-name {
    font-size: 0.7rem;
    color: #f0e2cf;
    opacity: 0.8;
    margin: 0 4px;
    display: inline-block;
}
.fs-lyric-item.right .fs-singer-name { order: -1; margin-right: 8px; margin-left: 0; }
.fs-lyric-item.left .fs-singer-name { margin-left: 8px; margin-right: 0; }
.fs-lyric-item.center .fs-singer-name { display: none; }
.fs-lyric-item.left .fs-lyric-text-wrapper { border-left: 2px solid transparent; padding-left: 12px; transition: border-color 0.45s cubic-bezier(0.2, 0.85, 0.4, 1); }
.fs-lyric-item.right .fs-lyric-text-wrapper { border-right: 2px solid transparent; padding-right: 12px; transition: border-color 0.45s cubic-bezier(0.2, 0.85, 0.4, 1); }
.fs-lyric-item.center .fs-lyric-text-wrapper { border-left: 2px solid transparent; border-right: 2px solid transparent; padding: 0 12px; transition: border-color 0.45s cubic-bezier(0.2, 0.85, 0.4, 1); }
.fs-lyric-item.active .fs-lyric-text-wrapper { border-left-color: #ecd9b4; border-right-color: #ecd9b4; }
.fs-lyric-item.active { opacity: 1; }
.fs-lyric-item.active .fs-lyric-text {
    color: #FFF6E5;
    font-weight: 600;
    text-shadow: 0 0 4px rgba(50,130,240,0.3);
}
.fs-lyric-item.sung .fs-lyric-text { opacity: 0.2; font-size: 1.2rem; }

.fs-interlude-dots { display: flex; gap: 10px; padding: 10px 0 10px 16px; }
.fs-dot {
    width: 5px; height: 5px;
    background: #ecd9b4;
    border-radius: 50%;
    animation: breathe 2.2s infinite ease-in-out;
}
@keyframes breathe {
    0% { opacity: 0.3; transform: scale(0.7); }
    50% { opacity: 1; transform: scale(1.2); background-color: #ecd9b4; }
    100% { opacity: 0.3; transform: scale(0.7); }
}
.fs-interlude-dots.hidden { display: none; }

/* ===== 6. 移动端布局样式 ===== */
.mobile-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.mobile-top-bar {
    background: transparent;
    padding: 1.2rem;
    flex-shrink: 0;
}

.mobile-lyrics-header { padding: 1.2rem 1.2rem 0.5rem 1.2rem; flex-shrink: 0; }
.mobile-lyrics-header .lyrics-header { font-size: 0.7rem; text-transform: uppercase; color: #cfc2a8; letter-spacing: 1px; }
.mobile-layout .lyrics-container { flex: 1; overflow-y: auto; padding: 1rem 1.2rem 0.5rem 1.2rem; }
.mobile-layout .lyrics-list { display: flex; flex-direction: column; gap: 1.2rem; align-items: stretch; padding-bottom: 2rem; }

.lyric-item {
    width: 100%;
    transition: all 0.35s cubic-bezier(0.2, 0.85, 0.4, 1);
    line-height: 1.45;
    cursor: pointer;
    opacity: 0.55;
    padding: 4px 0px;
}
.lyric-item.left { text-align: left; }
.lyric-item.right { text-align: right; }
.lyric-item.center { text-align: center; }
.lyric-text-wrapper { display: inline-block; position: relative; }
.lyric-text {
    font-size: 1.1rem;
    color: #e8dccc;
    display: inline-block;
    padding: 0 6px;
    transition: all 0.35s cubic-bezier(0.2, 0.85, 0.4, 1);
}
.singer-name {
    font-size: 0.6rem;
    color: #e8dccc;
    opacity: 0.8;
    display: inline-block;
    letter-spacing: 0.5px;
}
.lyric-item.right .singer-name { order: -1; margin-right: 6px; margin-left: 0; }
.lyric-item.left .singer-name { margin-left: 6px; margin-right: 0; }
.lyric-item.center .singer-name { display: none; }
.lyric-item.left .lyric-text-wrapper { border-left: 2px solid transparent; padding-left: 8px; transition: border-color 0.35s cubic-bezier(0.2, 0.85, 0.4, 1); }
.lyric-item.right .lyric-text-wrapper { border-right: 2px solid transparent; padding-right: 8px; transition: border-color 0.35s cubic-bezier(0.2, 0.85, 0.4, 1); }
.lyric-item.center .lyric-text-wrapper { border-left: 2px solid transparent; border-right: 2px solid transparent; padding: 0 8px; transition: border-color 0.35s cubic-bezier(0.2, 0.85, 0.4, 1); }
.lyric-item.active .lyric-text-wrapper { border-left-color: #3282f0; border-right-color: #3282f0; }
.lyric-item.active { opacity: 1; }
.lyric-item.active .lyric-text {
    color: #FFF6E5;
    font-weight: 600;
    text-shadow: 0 0 4px rgba(50,130,240,0.3);
}
.lyric-item.sung .lyric-text { opacity: 0.2; font-size: 0.95rem; }
.lyric-item.upcoming .lyric-text { opacity: 0.55; font-size: 1.05rem; }

.interlude-dots { display: flex; gap: 10px; padding: 8px 0 8px 12px; }
.dot {
    width: 5px; height: 5px;
    background: #ecd9b4;
    border-radius: 50%;
    animation: breathe 2.2s infinite ease-in-out;
}
.interlude-dots.hidden { display: none; }

.mobile-layout .control-bar {
    background: rgba(8, 10, 16, 0.45);
    backdrop-filter: blur(28px);
    border-top: 1px solid rgba(50, 130, 240, 0.15);
    border-radius: 24px 24px 0 0;
    padding: 1rem 1.2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-shrink: 0;
}
.info-row { display: flex; justify-content: flex-end; align-items: center; gap: 1rem; }
.song-info { flex: 1; cursor: pointer; touch-action: pan-y; }
.song-title-top {
    font-size: 1.1rem;
    font-weight: 650;
    background: linear-gradient(135deg, #F1E6D4, #DDCEB0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.2rem;
    opacity: 0.95;
}
.song-artist-top { font-size: 0.75rem; color: #cfc3ae; opacity: 0.9; }
.cover-thumb { width: 54px; height: 54px; border-radius: 16px; overflow: hidden; cursor: pointer; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); }
.cover-thumb img { width: 100%; height: 100%; object-fit: cover; }
.progress-area { display: flex; align-items: center; gap: 10px; font-size: 0.7rem; color: #e2d4c0; }
.progress-bar-bg { flex: 1; height: 3px; background: rgba(255, 245, 220, 0.3); border-radius: 20px; cursor: pointer; position: relative; }
.progress-fill { width: 0%; height: 100%; background: #3282f0; border-radius: 20px; }
.progress-thumb {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 10px;
    height: 10px;
    background: #3282f0;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    box-shadow: 0 0 6px rgba(50, 130, 240, 0.5);
}
.progress-bar-bg:hover .progress-thumb {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
}
.buttons { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 0.2rem; }
.ctrl-btn {
    background: rgba(255, 245, 225, 0.15);
    border: 1px solid rgba(255, 245, 225, 0.35);
    width: 44px;
    height: 44px;
    border-radius: 30px;
    font-size: 1.2rem;
    cursor: pointer;
    color: #e8dcc8;
    opacity: 0.9;
    transition: all 0.2s ease;
}
.ctrl-btn.play-pause {
    background: #3282f0;
    border: none;
    color: #fff;
    width: 54px;
    height: 54px;
    font-size: 1.5rem;
}
.ctrl-btn.repeat-active {
    background: rgba(50, 130, 240, 0.6);
    border-color: #3282f0;
    color: #fff;
}

/* ===== 7. 响应式布局断点 ===== */
@media (max-width: 900px) {
    .fullscreen-glass { width: 95%; }
    .fs-cover-img { width: 140px; height: 140px; }
    .fs-song-title { font-size: 1.5rem; }
    .fs-btn { width: 44px; height: 44px; font-size: 1.2rem; }
    .fs-btn.play-pause { width: 54px; height: 54px; font-size: 1.5rem; }
    .desktop-layout { display: none !important; }
    .mobile-layout { display: flex !important; }
    .player-app.web-fullscreen .mobile-layout { display: none !important; }
    .player-app.web-fullscreen .desktop-layout { display: flex !important; }
}
@media (min-width: 901px) {
    .mobile-layout { display: none !important; }
    .desktop-layout { display: flex !important; }
}

/* ===== 8. 列表管理器模态框 ===== */
.playlist-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(24px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
}
.playlist-modal.show { visibility: visible; opacity: 1; transition: opacity 0.3s ease; }
.playlist-modal-content {
    background: rgba(30, 32, 44, 0.75);
    backdrop-filter: blur(40px);
    border-radius: 48px;
    width: 90%;
    max-width: 750px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 1.8rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.4);
    color: #f0e2cf;
}
.playlist-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 0.8rem;
}
.playlist-modal-header h3 { color: #ecd9b4; font-weight: 500; }
.close-playlist-modal, .settings-back-btn {
    background: transparent !important;
    border: none !important;
    font-size: 1.2rem;
    cursor: pointer;
    color: #cfc3ae !important;
    transition: 0.2s;
    padding: 0;
    line-height: 1;
    margin-left: 12px;
}
.close-playlist-modal:hover, .settings-back-btn:hover { color: #3282f0 !important; }
.settings-btn {
    background: rgba(50,130,240,0.15);
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    color: #3282f0;
    margin-right: 12px;
    transition: 0.2s;
    padding: 4px 12px;
    border-radius: 40px;
}
.settings-btn:hover { background: rgba(50,130,240,0.3); color: #fff5e8; }
.setting-group { margin-bottom: 1.5rem; }
.setting-group label { display: block; font-size: 0.85rem; margin-bottom: 8px; color: #3282f0; font-weight: 500; }
.setting-group input, .setting-group select {
    width: 100%;
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(50,130,240,0.4);
    border-radius: 40px;
    padding: 8px 12px;
    color: white;
    font-size: 0.9rem;
}

/* ===== 9. 均衡器与垂直滑块 (已更新为现代标准写法，消除控制台警告) ===== */
.eq-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 16px;
}
.eq-item {
    flex: 1;
    min-width: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.eq-label {
    font-size: 0.75rem;
    color: #cfc3ae;
    text-align: center;
}

/* 标准化的滑块布局，由 HTML 层的 writing-mode 与方向控制其呈现为垂直方向 */
.eq-slider-vertical {
    appearance: none;
    -webkit-appearance: none;
    width: 6px;
    height: 100px;
    background: rgba(50,130,240,0.4);
    border-radius: 10px;
    cursor: pointer;
    outline: none;
}
.eq-slider-vertical::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #3282f0;
    cursor: pointer;
    box-shadow: 0 0 8px rgba(50,130,240,0.5);
    border: 2px solid #fff;
    transition: transform 0.15s ease;
}
.eq-slider-vertical::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.eq-value {
    font-size: 0.7rem;
    color: #cfc3ae;
}
.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}
.preset-btn, .reset-eq-btn {
    background: rgba(50,130,240,0.15);
    border: 1px solid rgba(50,130,240,0.3);
    border-radius: 30px;
    padding: 6px 14px;
    font-size: 0.75rem;
    cursor: pointer;
    color: #cfc3ae;
    transition: 0.2s;
}
.preset-btn:hover, .reset-eq-btn:hover {
    background: rgba(50,130,240,0.35);
    color: #fff5e8;
}

/* ===== 10. 设置切换按钮 & 播放列表内容 ===== */
.toggle-switch {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.4);
    border-radius: 40px;
    padding: 6px 12px;
}
.toggle-switch span { font-size: 0.85rem; color: #cfc3ae; }
.toggle-switch input {
    width: 40px;
    height: 20px;
    appearance: none;
    background: #3a3c48;
    border-radius: 20px;
    position: relative;
    cursor: pointer;
}
.toggle-switch input:checked { background: #3282f0; }
.toggle-switch input::before {
    content: '';
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: 0.2s;
}
.toggle-switch input:checked::before { left: 22px; }
.settings-panel { display: none; }
.settings-panel.active { display: block; }
.main-panel { display: block; }
.main-panel.hide { display: none; }
.range-value { display: inline-block; margin-left: 8px; font-size: 0.8rem; }
.playlist-song-list { max-height: 400px; overflow-y: auto; margin-bottom: 1rem; }
.playlist-song-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 60px;
    padding: 10px 16px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.25s ease;
}
.playlist-song-item:hover { background: rgba(50, 130, 240, 0.25); }
.playlist-song-cover { width: 44px; height: 44px; border-radius: 12px; object-fit: cover; }
.playlist-song-info { flex: 1; }
.playlist-song-name { font-weight: 600; font-size: 0.95rem; }
.playlist-song-artist { font-size: 0.7rem; opacity: 0.7; }
.playlist-delete-btn {
    background: transparent !important;
    border: none !important;
    color: #cfc3ae !important;
    font-size: 1.2rem;
    cursor: pointer;
}
.playlist-delete-btn:hover { color: #ffaa88 !important; }
.playlist-add-section {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.playlist-add-title { font-size: 0.9rem; margin-bottom: 0.2rem; color: #3282f0; }
.file-input-group { margin: 10px 0; }
.file-label { display: block; font-size: 0.75rem; opacity: 0.8; margin-bottom: 4px; }
.playlist-modal input[type="file"] {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(50, 130, 240, 0.4);
    border-radius: 40px;
    padding: 8px 12px;
    width: 100%;
    color: white;
}
.add-song-submit {
    background: #3282f0 !important;
    border: none !important;
    border-radius: 40px !important;
    padding: 10px 20px !important;
    color: #fff !important;
    font-weight: 600 !important;
    cursor: pointer;
    margin-top: 10px;
    width: 100%;
}
.demo-song-btn, .marry-song-btn {
    background: rgba(50, 130, 240, 0.2) !important;
    border: 1px solid rgba(50, 130, 240, 0.5) !important;
    border-radius: 40px !important;
    padding: 10px 20px !important;
    color: #3282f0 !important;
    font-weight: 500 !important;
    cursor: pointer;
    width: 100%;
    text-align: center;
    transition: 0.2s;
}
.demo-song-btn:hover, .marry-song-btn:hover {
    background: rgba(50, 130, 240, 0.4) !important;
    color: #fff5e8 !important;
}

/* ===== 11. 呼吸点位置与图标渲染对齐优化 ===== */
.fs-interlude-dots { justify-content: flex-start; }
.fs-interlude-dots.right { justify-content: flex-end; }
.fs-interlude-dots.center { justify-content: center; }

.interlude-dots { justify-content: flex-start; }
.interlude-dots.right { justify-content: flex-end; }
.interlude-dots.center { justify-content: center; }

.fs-btn, .ctrl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.fs-btn svg, .ctrl-btn svg {
    display: block;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}
.fs-btn.play-pause svg { width: 28px; height: 28px; }
.ctrl-btn.play-pause svg { width: 26px; height: 26px; }

@media (max-width: 900px) {
    .ctrl-btn svg { width: 22px; height: 22px; }
}

.fs-btn:hover, .ctrl-btn:hover {
    background: rgba(255, 245, 225, 0.15);
    transform: scale(1.05);
}
.fs-btn.play-pause:hover, .ctrl-btn.play-pause:hover {
    background: #ecd9b4;
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(236, 217, 180, 0.3);
}

@keyframes lyricRefresh {
    0% { opacity: 0; transform: scale(0.95) translateY(-5px); filter: brightness(1.5); }
    30% { opacity: 1; transform: scale(1.02) translateY(0); filter: brightness(1.2); }
    100% { opacity: 1; transform: scale(1) translateY(0); filter: brightness(1); }
}
.fs-lyric-item.refresh { animation: lyricRefresh 0.5s cubic-bezier(0.2, 0.85, 0.4, 1) forwards; }
.lyric-item.refresh { animation: lyricRefresh 0.4s cubic-bezier(0.2, 0.85, 0.4, 1) forwards; }

/* ===== 12. 网易云音乐在线搜索面板 ===== */
.wyy-search-panel { display: none; }
.wyy-search-panel.active { display: block; }
.wyy-search-btn {
    background: rgba(236,217,180,0.15);
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    color: #ecd9b4;
    margin-right: 12px;
    transition: 0.2s;
    padding: 4px 12px;
    border-radius: 40px;
}
.wyy-search-btn:hover { background: rgba(236,217,180,0.3); color: #fff5e8; }

.wyy-api-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    padding: 4px 16px;
    border-radius: 20px;
    background: rgba(100, 200, 100, 0.10);
    border: 1px solid rgba(100, 200, 100, 0.15);
    color: #8fdf8f;
}
.wyy-api-badge.offline {
    background: rgba(255, 100, 100, 0.10);
    border-color: rgba(255, 100, 100, 0.15);
    color: #ff6b6b;
}
.wyy-api-badge .wyy-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4caf50;
    display: inline-block;
}
.wyy-api-badge.offline .wyy-dot { background: #ff6b6b; }

.wyy-search-box { display: flex; gap: 10px; margin-bottom: 14px; }
.wyy-search-box input {
    flex: 1;
    padding: 12px 18px;
    border-radius: 30px;
    border: 1px solid rgba(236, 217, 180, 0.12);
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: 0.3s;
}
.wyy-search-box input:focus { border-color: #ecd9b4; }
.wyy-search-box input::placeholder { color: rgba(255, 255, 255, 0.2); }
.wyy-search-box button {
    padding: 12px 28px;
    border-radius: 30px;
    border: none;
    background: #ecd9b4;
    color: #1e1b16;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    font-size: 14px;
    white-space: nowrap;
}
.wyy-search-box button:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(236, 217, 180, 0.2);
}
.wyy-search-box button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.wyy-quick-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.wyy-quick-tags button {
    padding: 5px 14px;
    border-radius: 16px;
    border: 1px solid rgba(236, 217, 180, 0.08);
    background: rgba(236, 217, 180, 0.04);
    color: #a09686;
    cursor: pointer;
    font-size: 12px;
    transition: 0.3s;
}
.wyy-quick-tags button:hover { background: rgba(236, 217, 180, 0.10); color: #ecd9b4; }

.wyy-results { max-height: 350px; overflow-y: auto; margin-bottom: 4px; }
.wyy-results::-webkit-scrollbar { width: 4px; }
.wyy-results::-webkit-scrollbar-thumb { background: rgba(236, 217, 180, 0.15); border-radius: 10px; }

.wyy-song-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.03);
}
.wyy-song-item:hover { background: rgba(236, 217, 180, 0.05); }
.wyy-song-item .wyy-cover {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    object-fit: cover;
    flex-shrink: 0;
    background: #2a2c3a;
}
.wyy-song-item .wyy-info { flex: 1; min-width: 0; }
.wyy-song-item .wyy-info .wyy-name {
    font-weight: 500;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.wyy-song-item .wyy-info .wyy-artist { font-size: 0.65rem; opacity: 0.4; margin-top: 2px; }
.wyy-song-item .wyy-actions { display: flex; gap: 6px; flex-shrink: 0; }
.wyy-song-item .wyy-actions button {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid rgba(236, 217, 180, 0.2);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    color: #cfc3ae;
}
.wyy-song-item .wyy-actions button:hover { 
    background: rgba(236, 217, 180, 0.15); 
    border-color: rgba(236, 217, 180, 0.4);
}
.wyy-song-item .wyy-actions button.wyy-added {
    background: rgba(100, 200, 100, 0.12);
    border-color: rgba(100, 200, 100, 0.15);
    color: #8fdf8f;
}
.wyy-song-item .wyy-index {
    width: 30px;
    text-align: center;
    color: #8a857a;
    font-size: 0.9rem;
}

.wyy-load-more {
    text-align: center;
    padding: 12px;
    margin: 8px 0;
    border-radius: 30px;
    background: rgba(236, 217, 180, 0.05);
    border: 1px solid rgba(236, 217, 180, 0.08);
    color: #a09686;
    cursor: pointer;
    transition: 0.3s;
    font-size: 13px;
}
.wyy-load-more:hover { background: rgba(236, 217, 180, 0.08); color: #ecd9b4; }
.wyy-load-more.hidden { display: none; }

.wyy-status {
    text-align: center;
    padding: 10px;
    opacity: 0.5;
    font-size: 14px;
    margin-bottom: 14px;
    min-height: 38px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
}
.wyy-status.error { color: #ff6b6b; opacity: 1; }
.wyy-status.success { color: #8fdf8f; opacity: 1; }
.wyy-status.warning { color: #ffd93d; opacity: 1; }

.wyy-loading-text { text-align: center; padding: 30px 0; opacity: 0.4; font-size: 14px; }
.wyy-empty-hint { text-align: center; padding: 20px 0; opacity: 0.3; font-size: 13px; }
.wyy-api-info { text-align: center; font-size: 11px; opacity: 0.15; margin-top: 12px; font-family: monospace; }

/* ===== 13. 系统主页内页大容器 ===== */
.home-page {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 22, 30, 0.97);
    backdrop-filter: blur(30px);
    z-index: 1050;
    display: none;
    flex-direction: row;
    transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.home-page.active { display: flex; }

.home-sidebar {
    width: 160px;
    height: 100%;
    background: rgba(30, 32, 44, 0.8);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(236, 217, 180, 0.15);
    transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex;
    flex-direction: column;
    padding: 20px 15px;
    flex-shrink: 0;
}
.sidebar-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ecd9b4;
    text-align: center;
    margin-bottom: 25px;
    letter-spacing: 1px;
    line-height: 1.4;
    padding: 10px 0;
    border-bottom: 1px solid rgba(236, 217, 180, 0.1);
}
.sidebar-logo span { font-size: 0.75rem; font-weight: 400; opacity: 0.7; }

.sidebar-player {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 8px;
    background: rgba(236, 217, 180, 0.1);
    border-radius: 12px;
}
.sidebar-player-cover { width: 48px; height: 48px; border-radius: 8px; overflow: hidden; cursor: pointer; transition: transform 0.2s; flex-shrink: 0; }
.sidebar-player-cover:hover { transform: scale(1.08); }
.sidebar-player-cover img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-player-info { text-align: center; width: 100%; max-width: 60px; }
.sidebar-player-name { font-size: 0.65rem; font-weight: 500; color: #ecd9b4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-player-artist { font-size: 0.55rem; opacity: 0.85; color: #cfc3ae; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-player-controls { display: flex; gap: 2px; }
.sidebar-player-btn {
    background: transparent;
    border: none;
    color: #cfc3ae;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 4px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sidebar-player-btn:hover { color: #ecd9b4; background: rgba(236, 217, 180, 0.2); }
.sidebar-player-btn svg { width: 16px; height: 16px; }
.sidebar-player-btn.play-btn svg { width: 18px; height: 18px; }

.sidebar-top { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.sidebar-bottom { margin-top: auto; }

.sidebar-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: #8a857a;
    cursor: pointer;
    transition: color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    font-size: 0.8rem;
    width: 100%;
}
.sidebar-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-item:hover { background: rgba(236, 217, 180, 0.1); color: #cfc3ae; }
.sidebar-item.active { background: rgba(236, 217, 180, 0.2); color: #ecd9b4; }

/* ===== 14. 音乐主面板结构 ===== */
.home-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.home-main-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 30px;
    border-bottom: 1px solid rgba(236, 217, 180, 0.15);
    flex-shrink: 0;
    background: rgba(20, 22, 30, 0.6);
    transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.home-back-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: #cfc3ae;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
}
.home-back-btn:hover { background: rgba(236, 217, 180, 0.2); color: #ecd9b4; }
.home-main-header h2 { font-size: 1.4rem; font-weight: 600; color: #ecd9b4; }

.home-view-content { flex: 1; overflow-y: auto; padding: 20px 30px 40px; }
.home-view { display: none; }
.home-view.active { display: block; }
.home-view.active#viewLogin { display: flex; justify-content: center; align-items: center; min-height: 100%; padding: 2rem; }
.home-view.active#viewRanking { display: flex; flex-direction: column; flex: 1; min-height: 0; margin: -20px -30px -40px; padding: 0; }
.home-view.active#viewLogin .login-view-container { margin: 0 auto; padding: 2rem; }

/* ===== 15. 核心搜索组件结构 ===== */
.search-box-large { display: flex; gap: 12px; margin-bottom: 20px; }
.search-row { display: flex; align-items: center; gap: 0; margin-bottom: 20px; }
.search-back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 0; height: 44px;
    border-radius: 50%;
    background: rgba(236, 217, 180, 0.12);
    border: 1px solid rgba(236, 217, 180, 0.25);
    cursor: pointer;
    color: #ecd9b4;
    opacity: 0;
    overflow: hidden;
    margin-right: 0;
    flex-shrink: 0;
    transition: width 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                margin-right 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                background 0.5s cubic-bezier(0.2, 0.8, 0.2, 1),
                border-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.search-back-btn.visible { width: 44px; opacity: 1; margin-right: 12px; }
.search-back-btn:hover { background: rgba(236, 217, 180, 0.25); border-color: #ecd9b4; }
.search-back-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
.search-row .search-box-large { flex: 1; margin-bottom: 0; transition: flex 0.45s cubic-bezier(0.16, 1, 0.3, 1); }

.search-box-large input {
    flex: 1;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(236, 217, 180, 0.3);
    border-radius: 40px;
    padding: 14px 24px;
    color: white;
    font-size: 1rem;
    transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.search-box-large input:focus { border-color: #ecd9b4; outline: none; }
.search-box-large input::placeholder { color: rgba(255, 255, 255, 0.25); }
.search-box-large button {
    background: #ecd9b4;
    border: none;
    border-radius: 50%;
    width: 50px; height: 50px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: transform 0.2s, background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.search-box-large button:hover { transform: scale(1.08); }

.search-type-tabs { display: flex; gap: 10px; margin-bottom: 20px; }
.search-type-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #8a857a;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.search-type-btn:hover { background: rgba(236, 217, 180, 0.15); color: #cfc3ae; }
.search-type-btn.active { background: #ecd9b4; border-color: #ecd9b4; color: #1e1b16; font-weight: 600; }

/* ===== 16. 推荐卡片网格样式 ===== */
.section-block { margin-bottom: 30px; }
.section-title { font-size: 1.1rem; font-weight: 600; color: #ecd9b4; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid rgba(236, 217, 180, 0.2); }
.home-recommended-list { display: flex; flex-direction: column; gap: 8px; }
.home-rec-item { display: flex; align-items: center; gap: 14px; background: rgba(255, 255, 255, 0.05); border-radius: 12px; padding: 12px 16px; cursor: pointer; transition: all 0.2s; }
.home-rec-item:hover { background: rgba(236, 217, 180, 0.15); }
.home-rec-cover { width: 50px; height: 50px; border-radius: 10px; object-fit: cover; }
.home-rec-info { flex: 1; min-width: 0; }
.home-rec-name { font-size: 0.95rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.home-rec-artist { font-size: 0.75rem; opacity: 0.6; margin-top: 2px; }

.home-album-grid, .home-artist-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 16px; }
.home-album-item, .home-artist-item { text-align: center; cursor: pointer; transition: transform 0.2s; }
.home-album-item:hover, .home-artist-item:hover { transform: scale(1.05); }
.home-album-cover, .home-artist-cover { width: 100px; height: 100px; border-radius: 14px; object-fit: cover; margin-bottom: 8px; box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35); }
.home-album-name, .home-artist-name { font-size: 0.8rem; color: #cfc3ae; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100px; margin: 0 auto; }

/* ===== 17. 搜索结果与加载更多 ===== */
.home-results { margin-top: 20px; }
.home-result-item { display: flex; align-items: center; gap: 14px; padding: 12px; border-radius: 12px; cursor: pointer; transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1); }
.home-result-item:hover { background: rgba(236, 217, 180, 0.1); }
.home-result-index { font-size: 14px; font-weight: 500; color: rgba(255, 255, 255, 0.3); min-width: 24px; text-align: center; }
.home-result-cover { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; }
.home-result-info { flex: 1; min-width: 0; }
.home-result-name { font-size: 1rem; font-weight: 500; margin-bottom: 3px; }
.home-result-sub { font-size: 0.75rem; opacity: 0.6; }

.home-result-action {
    background: rgba(236, 217, 180, 0.15);
    border: none;
    color: #ecd9b4;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    white-space: nowrap;
}
.home-result-action:hover { background: rgba(236, 217, 180, 0.3); }
.home-load-more-wrap { display: flex; justify-content: center; margin-top: 20px; }
.home-load-more-btn {
    background: rgba(236, 217, 180, 0.1);
    border: 1px solid rgba(236, 217, 180, 0.25);
    color: #ecd9b4;
    padding: 10px 40px;
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.home-load-more-btn:hover { background: rgba(236, 217, 180, 0.2); border-color: #ecd9b4; }
.home-load-more-btn.hidden { display: none; }

/* ===== 18. 排行榜页系统 ===== */
.ranking-container { display: flex; gap: 0; flex: 1; min-height: 0; overflow: hidden; padding: 20px 30px; }
.ranking-tabs { display: flex; flex-direction: column; gap: 4px; width: 120px; flex-shrink: 0; padding: 8px; border-right: 1px solid rgba(236, 217, 180, 0.1); overflow-y: auto; }
.ranking-tab { padding: 12px 14px; border-radius: 10px; font-size: 0.9rem; cursor: pointer; color: #cfc3ae; transition: all 0.2s; text-align: center; }
.ranking-tab:hover { background: rgba(236, 217, 180, 0.08); color: #ecd9b4; }
.ranking-tab.active { background: rgba(236, 217, 180, 0.15); color: #ecd9b4; font-weight: 600; }

.ranking-content { flex: 1; overflow-y: auto; padding: 12px 16px; min-width: 0; }
.ranking-content-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid rgba(236, 217, 180, 0.15); }
.ranking-content-title { font-size: 1.1rem; font-weight: 600; color: #ecd9b4; }
.ranking-content-list { display: flex; flex-direction: column; gap: 4px; }
.ranking-list { display: flex; flex-direction: column; gap: 16px; }

.ranking-section { margin-bottom: 16px; background: rgba(255, 255, 255, 0.03); border-radius: 12px; padding: 16px; border: 1px solid rgba(236, 217, 180, 0.08); }
.ranking-section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid rgba(236, 217, 180, 0.15); }
.ranking-section-title { font-size: 1.1rem; font-weight: 600; color: #ecd9b4; cursor: pointer; transition: all 0.2s; flex: 1; }
.ranking-section-title:hover { color: #f0e0c0; }
.ranking-section-actions { display: flex; align-items: center; gap: 8px; }

.ranking-play-all-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(236, 217, 180, 0.2);
    background: rgba(236, 217, 180, 0.08);
    color: #ecd9b4;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}
.ranking-play-all-btn:hover { background: rgba(236, 217, 180, 0.15); border-color: rgba(236, 217, 180, 0.3); }
.ranking-icon-play { display: inline-flex; align-items: center; }
.ranking-icon-play svg { width: 12px; height: 12px; }

.ranking-collapse-btn { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; border: 1px solid rgba(236, 217, 180, 0.15); background: transparent; color: #ecd9b4; cursor: pointer; font-size: 10px; transition: all 0.2s; }
.ranking-collapse-btn:hover { background: rgba(236, 217, 180, 0.1); border-color: rgba(236, 217, 180, 0.3); }
.ranking-icon-collapse { display: inline-flex; transition: transform 0.2s; }

.ranking-section-content { max-height: 2000px; overflow: hidden; transition: max-height 0.4s ease, opacity 0.3s ease, margin 0.3s ease; opacity: 1; }
.ranking-section-content.collapsed { max-height: 0; opacity: 0; margin-top: 0; margin-bottom: 0; }

.ranking-section-content .wyy-song-item, .ranking-content-list .wyy-song-item { animation: fadeInSong 0.3s ease forwards; opacity: 0; }
.ranking-section-content .wyy-song-item:nth-child(1), .ranking-content-list .wyy-song-item:nth-child(1) { animation-delay: 0.02s; }
.ranking-section-content .wyy-song-item:nth-child(2), .ranking-content-list .wyy-song-item:nth-child(2) { animation-delay: 0.04s; }
.ranking-section-content .wyy-song-item:nth-child(3), .ranking-content-list .wyy-song-item:nth-child(3) { animation-delay: 0.06s; }
.ranking-section-content .wyy-song-item:nth-child(4), .ranking-content-list .wyy-song-item:nth-child(4) { animation-delay: 0.08s; }
.ranking-section-content .wyy-song-item:nth-child(5), .ranking-content-list .wyy-song-item:nth-child(5) { animation-delay: 0.1s; }

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

.ranking-item { display: flex; align-items: center; gap: 16px; padding: 14px; background: rgba(255, 255, 255, 0.05); border-radius: 12px; cursor: pointer; transition: all 0.2s; }
.ranking-item:hover { background: rgba(236, 217, 180, 0.12); }
.ranking-index { font-size: 1.2rem; font-weight: 700; color: #ecd9b4; width: 30px; text-align: center; }
.ranking-item:nth-child(1) .ranking-index { color: #ffd700; }
.ranking-item:nth-child(2) .ranking-index { color: #c0c0c0; }
.ranking-item:nth-child(3) .ranking-index { color: #cd7f32; }
.ranking-cover { width: 50px; height: 50px; border-radius: 8px; object-fit: cover; }
.ranking-info { flex: 1; }
.ranking-name { font-size: 0.95rem; font-weight: 500; }
.ranking-artist { font-size: 0.75rem; opacity: 0.6; }

/* ===== 19. 内页独立歌词控制 ===== */
.lyrics-view-container { display: flex; flex-direction: column; height: 100%; }
.lyrics-song-list { display: flex; flex-direction: column; gap: 8px; }
.lyrics-song-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: rgba(255, 255, 255, 0.05); border-radius: 10px; cursor: pointer; transition: all 0.2s; }
.lyrics-song-item:hover { background: rgba(236, 217, 180, 0.15); }
.lyrics-song-item.playing { background: rgba(236, 217, 180, 0.2); border-left: 3px solid #ecd9b4; }
.lyrics-song-cover { width: 40px; height: 40px; border-radius: 6px; object-fit: cover; }
.lyrics-song-info { flex: 1; min-width: 0; }
.lyrics-song-name { font-size: 0.9rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lyrics-song-artist { font-size: 0.7rem; opacity: 0.6; }
.lyrics-song-actions { display: flex; gap: 8px; }
.lyrics-song-actions button { background: transparent; border: none; color: #cfc3ae; padding: 6px; border-radius: 6px; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; }
.lyrics-song-actions button:hover { background: rgba(236, 217, 180, 0.2); color: #ecd9b4; }
.lyrics-song-actions button svg { width: 18px; height: 18px; }

.home-empty { text-align: center; padding: 40px; opacity: 0.4; font-size: 0.95rem; }

/* ===== 20. 歌曲详页面板结构 ===== */
.home-song-detail { padding: 10px 0; }
.home-detail-cover { width: 180px; height: 180px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); object-fit: cover; flex-shrink: 0; }
.home-detail-name { font-size: 1.8rem; font-weight: 600; color: #ecd9b4; margin-bottom: 10px; }
.home-detail-artist { font-size: 1rem; color: #cfc3ae; margin-bottom: 20px; }
.home-detail-label { color: #ecd9b4; }
.home-detail-btn { background: rgba(236,217,180,0.15); border: none; color: #ecd9b4; padding: 12px 20px; border-radius: 25px; cursor: pointer; font-size: 0.95rem; transition: all 0.2s; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.home-detail-btn:hover { background: rgba(236,217,180,0.3); transform: translateY(-2px); }
.home-detail-added { background: rgba(236,217,180,0.3); cursor: default; transform: none; }
.home-detail-play { background: #ecd9b4; color: #1e1b16; font-weight: 600; }
.home-detail-play:hover { background: #f1e6d4; }
.home-detail-back { margin-bottom: 16px; display: inline-block; }
.home-section-title { font-size: 1.2rem; font-weight: 600; color: #ecd9b4; margin: 15px 0; }

/* ===== 21. 内置 SVG 图标排版优化 ===== */
.home-result-action svg, .home-detail-btn svg, .lyrics-song-actions button svg, button svg { display: inline-block; vertical-align: middle; width: 16px; height: 16px; flex-shrink: 0; }
.home-icon-btn { display: inline-flex; align-items: center; justify-content: center; margin-right: 4px; }
.home-icon-btn svg { width: 16px; height: 16px; display: block; }
.home-speaker-icon { display: inline-flex; align-items: center; margin-left: 6px; }
.home-speaker-icon svg { width: 18px; height: 18px; color: #ecd9b4; display: block; }
.home-result-action { display: flex; align-items: center; justify-content: center; gap: 4px; }

.home-back-btn-circle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(236, 217, 180, 0.12); border: 1px solid rgba(236, 217, 180, 0.25);
    cursor: pointer; color: #ecd9b4; margin-bottom: 20px;
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.2);
}
.home-back-btn-circle:hover { background: rgba(236, 217, 180, 0.25); transform: scale(1.1); border-color: #ecd9b4; }
.home-back-btn-circle svg { width: 22px; height: 22px; }

/* ===== 22. 详页内嵌静态歌词结构 ===== */
.home-detail-lyrics { margin-top: 30px; padding: 20px; background: rgba(255, 255, 255, 0.03); border-radius: 16px; border: 1px solid rgba(236, 217, 180, 0.1); }
.home-lyric-line { padding: 8px 0; font-size: 0.95rem; color: #cfc3ae; line-height: 1.8; transition: color 0.3s; border-bottom: 1px solid rgba(255, 255, 255, 0.03); display: flex; align-items: baseline; }
.home-lyric-line:hover { color: #ecd9b4; }
.home-lyric-line:last-child { border-bottom: none; }
.home-lyric-line.left { justify-content: flex-start; }
.home-lyric-line.right { justify-content: flex-end; }
.home-lyric-line.center { justify-content: center; }
.home-lyric-singer { font-size: 0.75rem; color: #a09080; margin: 0 8px; white-space: nowrap; }
.home-lyric-text { word-break: break-all; }
.home-lyric-interlude { display: flex; align-items: center; justify-content: flex-start; padding: 6px 0; gap: 4px; opacity: 0.4; }
.home-lyric-interlude.right { justify-content: flex-end; }
.home-lyric-interlude.center { justify-content: center; }
.home-lyric-dot { width: 5px; height: 5px; border-radius: 50%; background: #cfc3ae; }

/* ===== 23. 全局非线性丝滑转场动画 ===== */
.home-page, .home-page.active { animation: homeSlideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
@keyframes homeSlideIn { 0% { opacity: 0; transform: scale(0.97) translateY(10px); } 100% { opacity: 1; transform: scale(1) translateY(0); } }

.home-sidebar { animation: sidebarSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.05s both; }
@keyframes sidebarSlideIn { 0% { opacity: 0; transform: translateX(-30px); } 100% { opacity: 1; transform: translateX(0); } }

.home-main { animation: mainFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both; }
@keyframes mainFadeIn { 0% { opacity: 0; transform: translateY(15px); } 100% { opacity: 1; transform: translateY(0); } }

.sidebar-item { transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1); }
.sidebar-item:hover { transform: translateX(4px); }

.home-view { animation: viewFadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1); }
@keyframes viewFadeIn { 0% { opacity: 0; transform: translateY(12px); } 100% { opacity: 1; transform: translateY(0); } }

.home-result-item { animation: resultItemIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) both; }
.home-result-item:nth-child(1) { animation-delay: 0s; }
.home-result-item:nth-child(2) { animation-delay: 0.04s; }
.home-result-item:nth-child(3) { animation-delay: 0.08s; }
.home-result-item:nth-child(4) { animation-delay: 0.12s; }
.home-result-item:nth-child(5) { animation-delay: 0.16s; }
@keyframes resultItemIn { 0% { opacity: 0; transform: translateX(-20px) scale(0.96); } 100% { opacity: 1; transform: translateX(0) scale(1); } }

.home-detail-cover { animation: coverBounceIn 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
@keyframes coverBounceIn { 0% { opacity: 0; transform: scale(0.8); } 60% { transform: scale(1.03); } 100% { opacity: 1; transform: scale(1); } }

.home-detail-btn { transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.home-detail-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(236, 217, 180, 0.15); }

.home-detail-lyrics { animation: lyricsFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both; }
@keyframes lyricsFadeIn { 0% { opacity: 0; transform: translateY(20px); } 100% { opacity: 1; transform: translateY(0); } }

.search-box-large button { transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.search-box-large button:hover { transform: scale(1.1); }

/* ===== 24. 内页设置页面专属样式 ===== */
#viewSettings { max-width: 700px; }
#viewSettings .setting-group { margin-bottom: 1.8rem; }
#viewSettings .setting-group label { display: block; font-size: 0.9rem; margin-bottom: 10px; color: #ecd9b4; font-weight: 500; }
.setting-help { display: block; margin-top: 8px; font-size: 0.8rem; color: #a8a090; line-height: 1.4; }

#viewSettings .setting-group input, #viewSettings .setting-group select { width: 100%; background: rgba(0, 0, 0, 0.5); border: 1px solid rgba(236, 217, 180, 0.4); border-radius: 40px; padding: 10px 14px; color: white; font-size: 0.9rem; transition: background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1); }
#viewSettings .toggle-switch { display: flex; align-items: center; justify-content: space-between; background: rgba(0, 0, 0, 0.4); border-radius: 40px; padding: 8px 14px; }
#viewSettings .toggle-switch span { font-size: 0.9rem; color: #cfc3ae; }
#viewSettings .toggle-switch input { width: 44px; height: 22px; appearance: none; background: #3a3c48; border-radius: 20px; position: relative; cursor: pointer; transition: background-color 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); }
#viewSettings .toggle-switch input:checked { background: #ecd9b4; }
#viewSettings .toggle-switch input::before { content: ''; width: 18px; height: 18px; background: white; border-radius: 50%; position: absolute; top: 2px; left: 2px; transition: left 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), background-color 0.5s cubic-bezier(0.2, 0.8, 0.2, 1); }
#viewSettings .toggle-switch input:checked::before { left: 24px; }

#viewSettings .eq-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
#viewSettings .eq-item { flex: 1; min-width: 50px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
#viewSettings .eq-label { font-size: 0.75rem; color: #ecd9b4; text-align: center; }

/* 设置页标准垂直滑块 */
#viewSettings .eq-slider-vertical { appearance: none; -webkit-appearance: none; width: 6px; height: 100px; background: rgba(236, 217, 180, 0.3); border-radius: 10px; cursor: pointer; outline: none; }
#viewSettings .eq-slider-vertical::-webkit-slider-thumb { appearance: none; -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: #ecd9b4; cursor: pointer; border: 2px solid #fff; transition: transform 0.15s ease; }
#viewSettings .eq-slider-vertical::-webkit-slider-thumb:hover { transform: scale(1.2); }

#viewSettings .eq-value { font-size: 0.7rem; color: #ecd9b4; }
#viewSettings .preset-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin: 15px 0; }
#viewSettings .preset-btn { background: rgba(236, 217, 180, 0.15); border: 1px solid rgba(236, 217, 180, 0.3); border-radius: 30px; padding: 6px 14px; font-size: 0.8rem; cursor: pointer; color: #cfc3ae; transition: 0.3s; }
#viewSettings .preset-btn:hover { background: rgba(236, 217, 180, 0.35); color: #fff5e8; }
#viewSettings .range-value { display: inline-block; margin-left: 8px; font-size: 0.85rem; color: #ecd9b4; }

/* ===== 25. 二维码登录弹窗模态框 ===== */
.login-modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); z-index: 3000; align-items: center; justify-content: center; animation: modalFadeIn 0.3s ease; padding: 20px; }
@keyframes modalFadeIn { from { opacity: 0; backdrop-filter: blur(0px); } to { opacity: 1; backdrop-filter: blur(12px); } }
.login-modal.show { display: flex; }

.login-modal-content {
    background: linear-gradient(135deg, rgba(25, 28, 38, 0.98), rgba(18, 20, 28, 0.98));
    border: 1px solid rgba(236, 217, 180, 0.15); border-radius: 24px; padding: 2.5rem; width: 90%; max-width: 440px; text-align: center;
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05) inset, 0 1px 0 rgba(255, 255, 255, 0.1) inset;
    position: relative; overflow: hidden;
}
.login-modal-content::before { content: ''; position: absolute; top: 0; left: -50%; width: 200%; height: 1px; background: linear-gradient(90deg, transparent, rgba(236, 217, 180, 0.3), transparent); animation: shimmer 3s infinite; }
@keyframes shimmer { 0% { transform: translateX(-50%); } 100% { transform: translateX(50%); } }
@keyframes modalSlideUp { from { opacity: 0; transform: translateY(30px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }

.login-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; position: relative; z-index: 1; }
.login-modal-header h3 { font-size: 1.5rem; font-weight: 700; background: linear-gradient(135deg, #F1E6D4 0%, #E8D9C0 50%, #DDCEB0 100%); -webkit-background-clip: text; background-clip: text; color: transparent; margin: 0; letter-spacing: -0.02em; text-shadow: 0 2px 10px rgba(241, 230, 212, 0.2); }

.login-close-btn { background: rgba(236, 217, 180, 0.08); border: 1px solid rgba(236, 217, 180, 0.15); border-radius: 50%; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: #cfc3ae; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); position: relative; z-index: 1; }
.login-close-btn:hover { background: rgba(239, 68, 68, 0.15); border-color: rgba(239, 68, 68, 0.3); color: #ef4444; transform: rotate(90deg) scale(1.05); box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2); }

.login-qr-container { background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%); border-radius: 20px; padding: 20px; display: inline-block; margin-bottom: 1.8rem; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1) inset; position: relative; z-index: 1; transition: all 0.3s ease; }
.login-qr-container:hover { transform: translateY(-2px); box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.15) inset; }
.login-qr-container img { width: 220px; height: 220px; display: block; border-radius: 12px; }

.login-status { font-size: 1rem; font-weight: 500; color: #cfc3ae; margin-bottom: 2rem; min-height: 28px; display: flex; align-items: center; justify-content: center; gap: 10px; position: relative; z-index: 1; padding: 12px 20px; border-radius: 12px; background: rgba(255, 255, 255, 0.03); backdrop-filter: blur(10px); transition: all 0.3s ease; }
.login-status.waiting { color: #60a5fa; background: rgba(96, 165, 250, 0.1); border: 1px solid rgba(96, 165, 250, 0.2); }
.login-status.scanned { color: #4ade80; background: rgba(74, 222, 128, 0.1); border: 1px solid rgba(74, 222, 128, 0.2); }
.login-status.success { color: #4ade80; font-weight: 600; background: rgba(74, 222, 128, 0.15); border: 1px solid rgba(74, 222, 128, 0.3); animation: successBounce 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.login-status.error { color: #f87171; background: rgba(248, 113, 113, 0.1); border: 1px solid rgba(248, 113, 113, 0.2); animation: errorShake 0.5s ease-in-out; }

.login-spinner { display: inline-block; width: 22px; height: 22px; border: 2.5px solid rgba(96, 165, 250, 0.2); border-top-color: #60a5fa; border-radius: 50%; animation: smoothSpin 1s cubic-bezier(0.4, 0, 0.6, 1) infinite; margin-right: 10px; }
@keyframes smoothSpin { to { transform: rotate(360deg); } }

.login-actions { display: flex; gap: 16px; justify-content: center; position: relative; z-index: 1; }
.login-btn { padding: 12px 28px; border-radius: 14px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); border: none; position: relative; overflow: hidden; }
.login-btn.primary { background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); color: white; box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3); }
.login-btn.primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4); }
.login-btn.secondary { background: rgba(236, 217, 180, 0.08); color: #ecd9b4; border: 1px solid rgba(236, 217, 180, 0.25); backdrop-filter: blur(10px); }
.login-btn.secondary:hover { background: rgba(236, 217, 180, 0.15); border-color: rgba(236, 217, 180, 0.35); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(236, 217, 180, 0.15); }
.login-tip { font-size: 0.85rem; color: rgba(207, 195, 174, 0.6); margin-top: 1.5rem; line-height: 1.5; position: relative; z-index: 1; }

.login-success-icon { width: 70px; height: 70px; margin: 0 auto 1.5rem; background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; animation: successPopIn 0.6s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: 0 8px 25px rgba(34, 197, 94, 0.4), 0 0 0 3px rgba(34, 197, 94, 0.1) inset; position: relative; z-index: 1; }
@keyframes successPopIn { 0% { transform: scale(0) rotate(-180deg); opacity: 0; } 50% { transform: scale(1.15) rotate(10deg); opacity: 1; } 100% { transform: scale(1) rotate(0deg); } }
.login-success-icon svg { width: 32px; height: 32px; color: white; }

.login-logout-btn { padding: 10px 20px; background: linear-gradient(135deg, rgba(239, 68, 68, 0.12), rgba(220, 38, 38, 0.12)); border: 1px solid rgba(239, 68, 68, 0.25); border-radius: 12px; color: #f87171; font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); backdrop-filter: blur(10px); }
.login-logout-btn:hover { background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(220, 38, 38, 0.2)); border-color: rgba(239, 68, 68, 0.4); transform: translateY(-2px); box-shadow: 0 4px 15px rgba(239, 68, 68, 0.2); }

.login-status-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; margin-top: 10px; backdrop-filter: blur(10px); }
.login-status-badge.logged-in { background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(22, 163, 74, 0.15)); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.25); }
.login-status-badge.not-logged-in { background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.15)); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.25); }
.login-status-badge .login-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 6px currentColor; }
.login-status-badge.logged-in .login-dot { animation: dotPulse 2s infinite; }

@keyframes dotPulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(0.9); } }

/* 模态框响应式移动端断点适配 */
@media (max-width: 768px) {
    .login-modal { padding: 16px; }
    .login-modal-content { padding: 2rem 1.5rem; width: 95%; max-width: 380px; border-radius: 20px; }
    .login-modal-header h3 { font-size: 1.3rem; }
    .login-qr-container { padding: 16px; margin-bottom: 1.5rem; }
    .login-qr-container img { width: 180px; height: 180px; }
    .login-status { font-size: 0.9rem; padding: 10px 16px; margin-bottom: 1.5rem; }
    .login-actions { flex-direction: column; gap: 12px; }
    .login-btn { width: 100%; padding: 12px 24px; }
    .login-tip { font-size: 0.8rem; margin-top: 1.2rem; }
}

/* ===== 26. 内嵌主页登录视图样式 (高级横屏自适应系统) ===== */
.login-view-container { padding: 2.5rem; max-width: 600px; margin: 0 auto; position: relative; }
.login-view-container .card {
    background: linear-gradient(135deg, rgba(30, 33, 43, 0.95), rgba(22, 25, 34, 0.95));
    border: 1px solid rgba(236, 217, 180, 0.12); border-radius: 20px; padding: 1.8rem; margin-bottom: 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
    backdrop-filter: blur(20px); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.login-view-container .card:hover { transform: translateY(-3px); border-color: rgba(236, 217, 180, 0.18); }

.login-actions-bottom { display: flex; flex-direction: column; gap: 12px; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(236, 217, 180, 0.15); }
.login-view-container button { padding: 12px 28px; border: none; border-radius: 14px; cursor: pointer; font-size: 0.95rem; font-weight: 600; background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); color: white; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3); }
.login-view-container button:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 25px rgba(59, 130, 246, 0.45); }
.login-view-container #logoutBtn { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); }
.login-view-container #refreshQrBtn { background: linear-gradient(135deg, rgba(236, 217, 180, 0.15), rgba(220, 200, 165, 0.15)); color: #ecd9b4; border: 1px solid rgba(236, 217, 180, 0.25); }

.login-view-container #qrContainer { text-align: center; margin: 1.5rem 0; animation: fadeInUp 0.5s ease; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.login-view-container #qrContainer h3 { color: #F1E6D4; font-size: 1.3rem; margin-bottom: 1.2rem; }
.login-view-container #qrContainer img { max-width: 240px; border: 2px solid rgba(236, 217, 180, 0.15); border-radius: 16px; padding: 18px; background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%); }

.login-view-container #status { padding: 18px 32px; border-radius: 16px; margin-top: 1.8rem; margin-bottom: 1.2rem; font-weight: 600; font-size: 1.05rem; display: flex; align-items: center; justify-content: center; gap: 20px; min-height: 60px; }
.login-view-container .status-icon { font-size: 1.6rem; display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: currentColor; opacity: 0.15; flex-shrink: 0; }
.login-view-container #status.waiting { background: linear-gradient(135deg, rgba(96, 165, 250, 0.18), rgba(59, 130, 246, 0.18)); color: #60a5fa; border: 1px solid rgba(96, 165, 250, 0.35); animation: statusPulse 2s ease-in-out infinite; }
.login-view-container #status.scanned { background: linear-gradient(135deg, rgba(74, 222, 128, 0.18), rgba(34, 197, 94, 0.18)); color: #4ade80; border: 1px solid rgba(74, 222, 128, 0.35); }
.login-view-container #status.success { background: linear-gradient(135deg, rgba(74, 222, 128, 0.25), rgba(34, 197, 94, 0.25)); color: #4ade80; border: 1px solid rgba(74, 222, 128, 0.45); }
.login-view-container #status.error { background: linear-gradient(135deg, rgba(248, 113, 113, 0.18), rgba(239, 68, 68, 0.18)); color: #f87171; border: 1px solid rgba(248, 113, 113, 0.35); }

.login-view-container .info { font-size: 0.9rem; color: rgba(207, 195, 174, 0.75); margin-top: 1rem; word-break: break-all; padding: 10px 16px; background: rgba(0, 0, 0, 0.2); border-radius: 10px; border-left: 3px solid rgba(236, 217, 180, 0.3); }
.login-view-container #loginStatusText { font-size: 1.05rem; color: #cfc3ae; padding: 12px; background: rgba(0, 0, 0, 0.2); border-radius: 10px; margin-bottom: 0.8rem; }
.login-view-container .log { display: none !important; }

/* 宽屏三列横向并排自适应 */
@media (min-width: 1100px) {
    .home-view.active#viewLogin { display: flex !important; justify-content: center; align-items: center; padding: 2rem 3rem; }
    .home-view.active#viewLogin .login-view-container { display: flex !important; flex-direction: row !important; gap: 1.8rem !important; max-width: 1200px !important; margin: 0 auto !important; padding: 0 !important; width: 100%; align-items: stretch; }
    .home-view.active#viewLogin .login-view-container > .card { flex: 1 !important; min-width: 0 !important; display: flex !important; flex-direction: column !important; }
    .home-view.active#viewLogin .login-view-container #qrContainer { align-items: center !important; padding: 2rem 1.5rem !important; }
    .home-view.active#viewLogin .login-view-container #qrContainer img { max-width: 240px !important; }
    .home-view.active#viewLogin .login-view-container #status { margin-top: 1.2rem !important; width: 100% !important; }
    .home-view.active#viewLogin .login-view-container #loginInfo { padding: 2rem 1.5rem !important; }
    .home-view.active#viewLogin .login-actions-bottom { display: flex !important; flex-direction: column !important; gap: 12px !important; margin-top: auto !important; padding-top: 1.5rem !important; border-top: 1px solid rgba(236, 217, 180, 0.15) !important; }
}

/* 中等/平板屏幕双列并排自适应断点 */
@media (min-width: 650px) and (max-width: 1099px) {
    .home-view.active#viewLogin { display: flex !important; justify-content: center; align-items: center; padding: 1.5rem 2rem; }
    .home-view.active#viewLogin .login-view-container { display: flex !important; flex-direction: row !important; gap: 1.2rem !important; width: 100%; align-items: stretch; }
    .home-view.active#viewLogin .login-view-container > .card { flex: 1 !important; min-width: 0 !important; display: flex !important; flex-direction: column !important; }
    .home-view.active#viewLogin .login-view-container #qrContainer img { max-width: 190px !important; }
    .login-view-container #status { gap: 10px !important; font-size: 0.95rem !important; }
    .home-view.active#viewLogin .login-actions-bottom { margin-top: auto !important; }
}

@media (max-width: 768px) {
    .login-view-container { padding: 1.5rem; }
    .login-view-container .card { padding: 1.5rem; border-radius: 16px; }
    .login-view-container button { width: 100%; padding: 12px 24px; }
    .login-actions-bottom { gap: 10px; margin-top: 1.2rem; }
    .login-view-container #qrContainer img { max-width: 200px; }
}

/* ===== 27. 浅色主题高级自适应覆盖系统 ===== */
.light-mode .dynamic-bg { filter: blur(60px) saturate(1.5) contrast(0.95); }
.light-mode .bg-overlay { background: rgba(255, 255, 255, 0.9); backdrop-filter: brightness(1.05); }
.light-mode body { background: #fafafa; }
.light-mode .home-page { background: rgba(255, 255, 255, 0.95); border-color: rgba(0, 0, 0, 0.15); }
.light-mode .home-sidebar { background: rgba(255, 255, 255, 0.98); border-right: 1px solid rgba(0, 0, 0, 0.12); }
.light-mode .sidebar-item { color: #666; }
.light-mode .sidebar-item.active { background: rgba(50, 130, 240, 0.15); color: #3282f0; }
.light-mode .sidebar-item:hover { background: rgba(50, 130, 240, 0.08); color: #3282f0; }
.light-mode .sidebar-logo { color: #3282f0; border-color: rgba(50, 130, 240, 0.2); }
.light-mode .sidebar-logo span { color: #3282f0; opacity: 0.8; }

.light-mode .sidebar-player { background: rgba(50, 130, 240, 0.08); }
.light-mode .sidebar-player-name { color: #3282f0; }
.light-mode .sidebar-player-artist { color: #555; }
.light-mode .sidebar-player-btn { color: #444; }
.light-mode .sidebar-player-btn:hover { color: #3282f0; background: rgba(50, 130, 240, 0.15); }

.light-mode .home-main-header { border-bottom-color: rgba(50, 130, 240, 0.15); background: rgba(255, 255, 255, 0.95); }
.light-mode .home-main-header h2 { color: #3282f0; }
.light-mode .search-box-large input { background: rgba(0, 0, 0, 0.06); border-color: rgba(50, 130, 240, 0.25); color: #000; }
.light-mode .search-box-large input:focus { border-color: #3282f0; }
.light-mode .search-box-large input::placeholder { color: #666; }
.light-mode .search-box-large button { background: #3282f0; color: #fff; }
.light-mode .search-back-btn { background: rgba(50, 130, 240, 0.1); border-color: rgba(50, 130, 240, 0.25); color: #3282f0; }
.light-mode .search-back-btn:hover { background: rgba(50, 130, 240, 0.2); border-color: #3282f0; }

.light-mode .search-type-btn { color: #666; }
.light-mode .search-type-btn:hover { background: rgba(50, 130, 240, 0.1); color: #3282f0; }
.light-mode .search-type-btn.active { background: #3282f0; border-color: #3282f0; color: #fff; }

.light-mode .section-title { color: #3282f0; border-bottom-color: rgba(50, 130, 240, 0.2); }
.light-mode .home-rec-item:hover { background: rgba(50, 130, 240, 0.08); }
.light-mode .home-rec-name, .light-mode .home-album-name, .light-mode .home-artist-name, .light-mode .home-result-name { color: #000; }
.light-mode .home-rec-artist, .light-mode .home-result-sub { color: #444; }
.light-mode .home-result-item { border-bottom-color: rgba(0, 0, 0, 0.08); }
.light-mode .home-result-item:hover { background: rgba(50, 130, 240, 0.08); }
.light-mode .home-result-index, .light-mode .home-result-added { color: #666 !important; }
.light-mode .home-result-action { background: rgba(50, 130, 240, 0.1); color: #3282f0; }
.light-mode .home-result-action:hover { background: rgba(50, 130, 240, 0.2); }

.light-mode .home-load-more-btn { background: rgba(50, 130, 240, 0.08); border-color: rgba(50, 130, 240, 0.2); color: #3282f0; }
.light-mode .home-load-more-btn:hover { background: rgba(50, 130, 240, 0.15); border-color: #3282f0; }

.light-mode .ranking-container { background: transparent; }
.light-mode .ranking-tabs { border-right-color: rgba(50, 130, 240, 0.1); }
.light-mode .ranking-tab { color: #666; }
.light-mode .ranking-tab:hover { background: rgba(50, 130, 240, 0.08); color: #3282f0; }
.light-mode .ranking-tab.active { background: rgba(50, 130, 240, 0.15); color: #3282f0; }
.light-mode .ranking-content-header { border-bottom-color: rgba(50, 130, 240, 0.15); }
.light-mode .ranking-content-title, .light-mode .ranking-section-title { color: #3282f0; }
.light-mode .ranking-section-title:hover { color: #1a5fc7; }
.light-mode .ranking-section { background: rgba(50, 130, 240, 0.03); border-color: rgba(50, 130, 240, 0.08); border-bottom-color: rgba(50, 130, 240, 0.15); }
.light-mode .ranking-play-all-btn { background: rgba(50, 130, 240, 0.08); border-color: rgba(50, 130, 240, 0.2); color: #3282f0; }
.light-mode .ranking-play-all-btn:hover { background: rgba(50, 130, 240, 0.15); border-color: rgba(50, 130, 240, 0.3); }
.light-mode .ranking-collapse-btn { border-color: rgba(50, 130, 240, 0.15); color: #3282f0; }
.light-mode .ranking-collapse-btn:hover { background: rgba(50, 130, 240, 0.1); border-color: rgba(50, 130, 240, 0.3); }
.light-mode .ranking-name { color: #000; }
.light-mode .ranking-artist, .light-mode .home-empty { color: #444; }
.light-mode .ranking-index, .light-mode .ranking-item:nth-child(1) .ranking-index, .light-mode .ranking-item:nth-child(2) .ranking-index, .light-mode .ranking-item:nth-child(3) .ranking-index { color: #3282f0; }
.light-mode .ranking-item:hover { background: rgba(50, 130, 240, 0.08); }

.light-mode .lyrics-song-item:hover { background: rgba(50, 130, 240, 0.1); }
.light-mode .lyrics-song-item.playing { background: rgba(50, 130, 240, 0.15); border-left-color: #3282f0; }
.light-mode .lyrics-song-actions button { color: #666; }
.light-mode .lyrics-song-actions button:hover { background: rgba(50, 130, 240, 0.15); color: #3282f0; }

.light-mode .home-detail-name { color: #000 !important; }
.light-mode .home-detail-artist { color: #333 !important; }
.light-mode .home-detail-label { color: #3282f0 !important; }
.light-mode .home-detail-btn { background: rgba(50, 130, 240, 0.1); color: #3282f0; }
.light-mode .home-detail-btn:hover { background: rgba(50, 130, 240, 0.2); box-shadow: 0 4px 15px rgba(50, 130, 240, 0.15); }
.light-mode .home-detail-play { background: #3282f0; color: #fff; }
.light-mode .home-detail-play:hover { background: #1a5fc7; }
.light-mode .home-detail-added { background: rgba(50, 130, 240, 0.2); }
.light-mode .home-section-title, .light-mode .home-speaker-icon svg { color: #3282f0; }

.light-mode .home-back-btn-circle { background: rgba(50, 130, 240, 0.1); border-color: rgba(50, 130, 240, 0.25); color: #3282f0; }
.light-mode .home-back-btn-circle:hover { background: rgba(50, 130, 240, 0.2); border-color: #3282f0; }
.light-mode .home-detail-lyrics { border-color: rgba(50, 130, 240, 0.15); }
.light-mode .home-lyric-line { color: #000; border-bottom-color: rgba(0, 0, 0, 0.06); }
.light-mode .home-lyric-line:hover { color: #3282f0; }
.light-mode .home-lyric-singer { color: #666; }
.light-mode .home-lyric-dot { background: #3282f0; }

.light-mode #viewSettings .setting-group label, .light-mode #viewSettings .eq-label, .light-mode #viewSettings .eq-value, .light-mode #viewSettings .range-value { color: #3282f0; font-weight: 600; }
.light-mode #viewSettings .setting-group input, .light-mode #viewSettings .setting-group select { border-color: rgba(50, 130, 240, 0.3); background: rgba(0, 0, 0, 0.08); color: #000; }
.light-mode #viewSettings .toggle-switch { background: rgba(0, 0, 0, 0.12); }
.light-mode #viewSettings .toggle-switch span { color: #000; }
.light-mode #viewSettings .toggle-switch input { background: #bbb; }
.light-mode #viewSettings .toggle-switch input:checked { background: #3282f0; }
.light-mode #viewSettings .toggle-switch input::before { background: #fff; box-shadow: 0 2px 4px rgba(0,0,0,0.25); }
.light-mode #viewSettings .eq-slider-vertical { background: rgba(50, 130, 240, 0.2); }
.light-mode #viewSettings .eq-slider-vertical::-webkit-slider-thumb { background: #3282f0; box-shadow: 0 0 10px rgba(50,130,240,0.5); }
.light-mode #viewSettings .preset-btn { background: rgba(50, 130, 240, 0.1); border-color: rgba(50, 130, 240, 0.3); color: #3282f0; }
.light-mode #viewSettings .preset-btn:hover { background: rgba(50, 130, 240, 0.2); color: #fff; }
.light-mode .setting-group small, .light-mode .setting-help { color: #555; }

.light-mode .mobile-layout .control-bar { background: rgba(255, 255, 255, 0.9); border-top: 1px solid rgba(0, 0, 0, 0.1); }
.light-mode .song-title-top { background: linear-gradient(135deg, #3282f0, #1a5fc7); -webkit-background-clip: text; background-clip: text; color: transparent; }
.light-mode .song-artist-top { color: #444; }
.light-mode .progress-area { color: #333; }
.light-mode .progress-bar-bg { background: rgba(0, 0, 0, 0.2); }
.light-mode .progress-fill, .light-mode .progress-thumb { background: #3282f0; }
.light-mode .progress-thumb { box-shadow: 0 0 6px rgba(50, 130, 240, 0.6); }
.light-mode .ctrl-btn { background: rgba(0, 0, 0, 0.08); border-color: rgba(0, 0, 0, 0.15); color: #000; }
.light-mode .ctrl-btn.play-pause { background: #3282f0; color: #fff; }
.light-mode .ctrl-btn.repeat-active { background: rgba(50, 130, 240, 0.6); border-color: #3282f0; color: #fff; }

.light-mode .playlist-modal-content { background: rgba(255, 255, 255, 0.9); color: #000; border-color: rgba(50, 130, 240, 0.2); }
.light-mode .playlist-modal-header h3 { color: #3282f0; }
.light-mode .playlist-modal-header { border-bottom-color: rgba(50, 130, 240, 0.2); }
.light-mode .wyy-search-btn { background: rgba(50, 130, 240, 0.1); color: #3282f0; }
.light-mode .wyy-search-btn:hover { background: rgba(50, 130, 240, 0.2); color: #fff; }
.light-mode .wyy-search-box input { border-color: rgba(50, 130, 240, 0.2); }
.light-mode .wyy-search-box input:focus { border-color: #3282f0; }
.light-mode .wyy-search-box button { background: #3282f0; color: #fff; }
.light-mode .wyy-search-box button:hover { box-shadow: 0 4px 20px rgba(50, 130, 240, 0.2); }
.light-mode .wyy-quick-tags button { border-color: rgba(50, 130, 240, 0.1); background: rgba(50, 130, 240, 0.04); color: #666; }
.light-mode .wyy-quick-tags button:hover { background: rgba(50, 130, 240, 0.1); color: #3282f0; }
.light-mode .wyy-results::-webkit-scrollbar-thumb { background: rgba(50, 130, 240, 0.2); }
.light-mode .wyy-song-item:hover { background: rgba(50, 130, 240, 0.05); }
.light-mode .wyy-song-item .wyy-actions button:hover { background: rgba(50, 130, 240, 0.08); }
.light-mode .wyy-song-item .wyy-index, .light-mode .wyy-load-more { color: #666; }
.light-mode .wyy-load-more { background: rgba(50, 130, 240, 0.05); border-color: rgba(50, 130, 240, 0.1); }
.light-mode .wyy-load-more:hover { background: rgba(50, 130, 240, 0.1); color: #3282f0; }

/* 保持全屏歌词模式永远为高级深色 */
.light-mode .fs-progress-area { color: #f0e3d0; }
.light-mode .fs-progress-bar { background: rgba(255, 245, 220, 0.3); }
.light-mode .fs-progress-fill, .light-mode .fs-progress-thumb { background: #ecd9b4; }
.light-mode .fs-progress-thumb { box-shadow: 0 0 8px rgba(236, 217, 180, 0.5); }
.light-mode .fs-btn { background: rgba(236, 217, 180, 0.15); border-color: rgba(236, 217, 180, 0.25); color: #ecd9b4; }
.light-mode .fs-btn:hover { background: rgba(236, 217, 180, 0.25); }
.light-mode .fs-btn.play-pause { background: #ecd9b4; color: #1e1b16; }
.light-mode .fs-btn.play-pause:hover { background: #ecd9b4; box-shadow: 0 0 20px rgba(236, 217, 180, 0.3); }
.light-mode .fs-btn.repeat-active { background: rgba(236, 217, 180, 0.7); border-color: #ecd9b4; color: #1e1b16; }
.light-mode .fs-lyric-text { color: #f0e3d0; }
.light-mode .fs-singer-name { color: #cfc3ae; }
.light-mode .fs-lyric-item.active .fs-lyric-text { color: #fff5e8; }
.light-mode .fs-lyric-item.active .fs-lyric-text-wrapper { border-left-color: #ecd9b4; border-right-color: #ecd9b4; }
.light-mode .fs-dot { background: #ecd9b4; animation-name: breathe; }
@keyframes breatheLight { 0% { opacity: 0.3; transform: scale(0.7); } 50% { opacity: 1; transform: scale(1.2); background-color: #3282f0; } 100% { opacity: 0.3; transform: scale(0.7); } }
.light-mode .mobile-lyrics-header .lyrics-header { color: #666; }
.light-mode .lyric-text, .light-mode .singer-name { color: #333; }
.light-mode .dot, .light-mode .interlude-dots .dot { background: #3282f0; animation-name: breatheLight; }
.light-mode .playlist-add-section { border-top-color: rgba(50, 130, 240, 0.2); }

/* ===== 30. v5 主题系统、返回按钮与动画优化 ===== */
:root {
    --yx-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --yx-ease-soft: cubic-bezier(0.2, 0.8, 0.2, 1);
    --yx-accent: #3282f0;
    --yx-page-bg: #11141d;
    --yx-surface: rgba(27, 30, 41, 0.86);
    --yx-surface-strong: rgba(20, 23, 32, 0.96);
    --yx-text: #f1e6d4;
    --yx-text-muted: #aaa08f;
    --yx-border: rgba(236, 217, 180, 0.16);
    --yx-shadow: 0 20px 55px rgba(0, 0, 0, 0.38);
}

html.light-mode {
    --yx-page-bg: #eef3fb;
    --yx-surface: rgba(255, 255, 255, 0.82);
    --yx-surface-strong: rgba(255, 255, 255, 0.96);
    --yx-text: #14213d;
    --yx-text-muted: #5c667a;
    --yx-border: rgba(50, 130, 240, 0.16);
    --yx-shadow: 0 20px 55px rgba(53, 82, 130, 0.16);
}

html.light-mode body,
body.light-mode {
    background: var(--yx-page-bg);
}

/* 主题切换为即时切换，不使用 View Transitions API。 */

.player-back-home-btn {
    position: fixed;
    left: max(20px, env(safe-area-inset-left));
    top: max(20px, env(safe-area-inset-top));
    z-index: 1040;
    width: 54px;
    height: 54px;
    min-width: 54px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.24);
    color: rgba(255, 248, 235, 0.96);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.035) 48%, rgba(50, 130, 240, 0.10)),
        rgba(11, 15, 24, 0.28);
    backdrop-filter: blur(24px) saturate(1.75) contrast(1.04);
    -webkit-backdrop-filter: blur(24px) saturate(1.75) contrast(1.04);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.34),
        inset 0 -1px 0 rgba(255, 255, 255, 0.08),
        0 14px 38px rgba(0, 0, 0, 0.30),
        0 2px 10px rgba(50, 130, 240, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    isolation: isolate;
    cursor: pointer;
    transform: translateZ(0);
    transition:
        transform 0.34s var(--yx-ease-out),
        border-color 0.3s ease,
        box-shadow 0.3s ease,
        background-color 0.3s ease;
}

.player-back-home-btn::before {
    content: '';
    position: absolute;
    inset: 2px;
    border-radius: inherit;
    z-index: -1;
    background:
        radial-gradient(circle at 28% 20%, rgba(255, 255, 255, 0.44), transparent 31%),
        radial-gradient(circle at 72% 78%, rgba(73, 148, 255, 0.24), transparent 42%);
    opacity: 0.82;
    transition: transform 0.5s var(--yx-ease-out), opacity 0.3s ease;
}

.player-back-home-btn::after {
    content: '';
    position: absolute;
    width: 46px;
    height: 20px;
    left: -30px;
    top: 8px;
    z-index: -1;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.28);
    filter: blur(8px);
    transform: rotate(-32deg);
    transition: transform 0.62s var(--yx-ease-out);
}

.player-back-home-btn svg {
    width: 25px;
    height: 25px;
    filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.28));
    transition: transform 0.32s var(--yx-ease-out);
}

.player-back-home-btn:hover {
    transform: translateY(-2px) scale(1.055);
    border-color: rgba(255, 255, 255, 0.40);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.44),
        inset 0 -1px 0 rgba(255, 255, 255, 0.10),
        0 18px 46px rgba(0, 0, 0, 0.34),
        0 3px 16px rgba(50, 130, 240, 0.20);
}

.player-back-home-btn:hover::before {
    transform: scale(1.12) rotate(5deg);
    opacity: 1;
}

.player-back-home-btn:hover::after {
    transform: translateX(88px) rotate(-32deg);
}

.player-back-home-btn:hover svg {
    transform: translateX(-2px);
}

.player-back-home-btn:active {
    transform: scale(0.92);
}

.light-mode .player-back-home-btn {
    color: #1e5cae;
    border-color: rgba(255, 255, 255, 0.78);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.34) 50%, rgba(72, 146, 255, 0.13)),
        rgba(232, 242, 255, 0.52);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.96),
        inset 0 -1px 0 rgba(81, 142, 226, 0.10),
        0 14px 36px rgba(48, 85, 138, 0.18),
        0 2px 12px rgba(50, 130, 240, 0.12);
}


/* 更克制的动效：只在交互时提升层级，减少持续 GPU 占用 */
.home-result-item,
.home-rec-item,
.home-album-item,
.home-artist-item,
.ranking-item,
.playlist-song-item {
    transform: translateZ(0);
    transition:
        transform 0.3s var(--yx-ease-out),
        background-color 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}
.home-result-item:hover,
.home-rec-item:hover,
.home-album-item:hover,
.home-artist-item:hover,
.ranking-item:hover,
.playlist-song-item:hover {
    transform: translateY(-2px) translateZ(0);
}

.home-page.active .home-main-header { animation: yxHeaderDrop 0.5s var(--yx-ease-out) both; }
@keyframes yxHeaderDrop {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

.light-mode .home-page {
    background:
        radial-gradient(circle at 85% 10%, rgba(90, 157, 255, 0.16), transparent 34%),
        radial-gradient(circle at 15% 85%, rgba(126, 210, 255, 0.14), transparent 32%),
        rgba(242, 247, 255, 0.97);
}
.light-mode .home-main { color: #14213d; }
.light-mode .home-view-content { color: #14213d; }
.light-mode .login-view-container .card,
.light-mode .login-modal-content {
    background: linear-gradient(145deg, rgba(255,255,255,0.98), rgba(240,246,255,0.96));
    border-color: rgba(50,130,240,0.16);
    box-shadow: 0 18px 50px rgba(51,84,140,0.16);
}
.light-mode .login-modal-header h3,
.light-mode .login-view-container #qrContainer h3 {
    background: linear-gradient(135deg, #286fcf, #5c9ef8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.light-mode .login-tip,
.light-mode .login-view-container .info { color: #5c667a; }
.light-mode .login-view-container #loginStatusText { background: rgba(50,130,240,0.07); color: #273752; }

@media (max-width: 900px) {
    .player-back-home-btn {
        left: max(14px, env(safe-area-inset-left));
        top: max(14px, env(safe-area-inset-top));
        width: 48px;
        min-width: 48px;
        height: 48px;
    }
    .player-back-home-btn svg { width: 23px; height: 23px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
    .glow { animation: none !important; }
}

.home-page.closing {
    display: flex;
    pointer-events: none;
    animation: yxHomeClose 0.36s cubic-bezier(0.4, 0, 1, 1) forwards;
}
@keyframes yxHomeClose {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.985) translateY(8px); }
}