/*! 由 ./music/music.html 内联 <style> 原样提取，勿手改（保持视觉一致） */

*{margin:0;padding:0;box-sizing:border-box;}
:root {
    --primary: #87CEEB;
    --primary-dark: #4682B4;
    --bg: #E6F7FF;
    --card: #FFFFFF;
    --text: #333;
    --gray: #666;
    --alert-bg: #003366;
    --elastic-out: cubic-bezier(0.34, 1.56, 0.64, 1);
    --elastic-soft: cubic-bezier(0.22, 1, 0.36, 1);
    --card-shadow: 0 6px 18px rgba(135,206,235,0.25);
    --z-nav: 100;
}
/* 背景装饰 */
body::before {
    content: '';
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(135,206,235,0.10), transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(70,130,180,0.06), transparent 50%);
    z-index: 0;
    animation: bgDrift 14s ease-in-out infinite alternate;
    pointer-events: none;
}
@keyframes bgDrift { 0%{transform:scale(1);opacity:0.7} 100%{transform:scale(1.04);opacity:1} }
@keyframes fadeSlideUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { to { opacity: 1; } }
@keyframes cardIn { to { opacity: 1; transform: translateY(0); } }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f0f4f8;
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}
.navbar {
    background: var(--primary);
    padding: 12px 0;
    box-shadow: 0 8px 24px rgba(135, 206, 235, 0.4);
    position: sticky;
    top: 0;
    z-index: var(--z-nav);
    opacity: 0; transform: translateY(-100%);
    animation: fadeSlideUp 0.7s var(--elastic-soft) 0.1s forwards;
}
.nav-container {
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    padding: 0 15px;
}
.logo {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-dark);
    text-decoration: none;
    transition: transform 0.35s var(--elastic-out);
}
.logo:hover { transform: scale(1.06); }
.nav-links {
    display: flex;
    gap: 20px;
}
.nav-links a {
    color: var(--primary-dark);
    font-weight: 500;
    text-decoration: none;
    opacity: 0; transform: translateY(-6px);
    animation: fadeSlideUp 0.45s var(--elastic-soft) forwards;
    position: relative; padding-bottom: 4px;
    transition: color 0.3s ease;
}
.nav-links a:nth-child(1) { animation-delay: 0.2s; }
.nav-links a:nth-child(2) { animation-delay: 0.3s; }
.nav-links a:nth-child(3) { animation-delay: 0.4s; }
.nav-links a:nth-child(4) { animation-delay: 0.5s; }
.nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: width 0.35s var(--elastic-out);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.back-link {
    color: var(--primary-dark);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    margin-bottom: 12px;
    opacity: 0;
    animation: fadeSlideUp 0.5s var(--elastic-soft) 0.15s forwards;
    transition: transform 0.3s var(--elastic-out);
}
.back-link::before {
    content: ''; display: inline-block;
    width: 8px; height: 8px;
    border-left: 2px solid var(--primary-dark);
    border-bottom: 2px solid var(--primary-dark);
    transform: rotate(45deg);
    margin-right: 6px;
    flex-shrink: 0;
}
.back-link:hover { transform: translateX(-3px); }
.container {
    max-width: 800px;
    margin: 30px auto;
    padding: 0 15px;
    width: 100%;
    position: relative;
    z-index: 1;
}
.card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
    opacity: 0; transform: translateY(20px);
    animation: cardIn 0.6s var(--elastic-soft) forwards;
    transition: box-shadow 0.4s ease, transform 0.4s ease;
}
.card:nth-of-type(1) { animation-delay: 0.2s; }
.card:nth-of-type(2) { animation-delay: 0.3s; }
.card:nth-of-type(3) { animation-delay: 0.4s; }
.card:hover {
    box-shadow: 0 14px 36px rgba(135,206,235,0.5);
    transform: translateY(-4px);
}
.card h2 {
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 20px;
}
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--primary-dark);
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 3px rgba(70,130,180,0.1);
    transform: scale(1.01);
}
.btn {
    width: 100%;
    padding: 10px;
    background: var(--primary-dark);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 8px;
    transition: background 0.25s, transform 0.25s var(--elastic-out);
}
.btn:hover { background: #3a6f9c; transform: translateY(-2px) scale(1.01); }
.btn:active { transform: scale(0.97); }
.upload-link {
    text-align: center;
    display: block;
    margin-top: 12px;
    color: var(--primary-dark);
    text-decoration: none;
    transition: opacity 0.25s, transform 0.25s var(--elastic-out);
}
.upload-link:hover { opacity: 0.7; transform: translateX(3px); }
.list-item {
    padding: 12px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.list-item button {
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.25s, transform 0.25s var(--elastic-out);
}
.list-item button:hover { background: var(--primary-dark); transform: translateY(-2px); }
.list-item button:active { transform: scale(0.95); }
.music-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 20px 0;
}
.music-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: background 0.25s, transform 0.25s var(--elastic-out);
}
.music-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.08);
}
.music-btn:active { transform: scale(0.93); transition-duration: 0.1s; }
.progress-bar {
    width: 100%;
    height: 8px;
    background: #d0e8f5;
    border-radius: 4px;
    -webkit-appearance: none;
    appearance: none;
    outline: none;
    transition: opacity 0.25s;
}
.progress-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-dark);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(70,130,180,0.3);
}
.progress-bar::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-dark);
    cursor: pointer;
    border: none;
}
/* 倍速控制 */
.speed-control {
    display:flex;align-items:center;gap:10px;
    margin-top:12px;padding:10px 12px;
    background:#f8fbff;border-radius:8px;
    border:1px solid #d0e8f5;
    flex-wrap:wrap;
}
.speed-control label {
    font-size:13px;color:var(--gray);white-space:nowrap;font-weight:500;
}
.speed-slider {
    flex:1;height:6px;min-width:80px;
    -webkit-appearance:none;appearance:none;
    background:#d0e8f5;border-radius:3px;outline:none;
    transition:opacity 0.25s;
}
.speed-slider::-webkit-slider-thumb {
    -webkit-appearance:none;
    width:16px;height:16px;border-radius:50%;
    background:var(--primary-dark);cursor:pointer;
    box-shadow:0 2px 6px rgba(70,130,180,0.3);
}
.speed-slider::-moz-range-thumb {
    width:16px;height:16px;border-radius:50%;
    background:var(--primary-dark);cursor:pointer;border:none;
}
.speed-display {
    font-size:14px;font-weight:700;color:var(--primary-dark);
    min-width:48px;text-align:right;
}
.speed-presets {
    display:flex;gap:4px;flex-wrap:wrap;
}
.speed-preset {
    padding:3px 8px;border:1px solid #d0e8f5;border-radius:4px;
    background:#fff;color:var(--gray);font-size:11px;cursor:pointer;
    transition:all 0.25s cubic-bezier(0.34,1.56,0.64,1);
}
.speed-preset:hover,.speed-preset.active {
    background:var(--primary-dark);color:#fff;border-color:var(--primary-dark);
}
footer {
    text-align: center;
    padding: 20px;
    background: var(--primary);
    color: var(--primary-dark);
    font-size: 14px;
    width: 100%;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.6s forwards;
}
/* ===== 响应式 ===== */
@media (max-width: 640px) {
    .container { margin: 16px auto; padding: 0 12px; }
    .card { padding: 18px; }
    .nav-container { flex-wrap: wrap; justify-content: center; gap: 6px; }
    .nav-links { gap: 14px; flex-wrap: wrap; justify-content: center; }
    .nav-links a { font-size: 0.9rem; }
    .card h2 { font-size: 1.2rem; }
    .music-btn { width: 44px; height: 44px; font-size: 18px; }
    /* 手机端倍速控制：滑块占满、预设换行 */
    .speed-control { gap: 6px; padding: 8px 10px; }
    .speed-slider { min-width: 60px; }
    .speed-presets { width: 100%; justify-content: center; margin-top: 2px; }
    .speed-preset { font-size: 10px; padding: 2px 6px; }
}
@media (max-width: 400px) {
    .nav-links a { font-size: 0.82rem; }
    .nav-links { gap: 10px; }
    .logo { font-size: 17px; }
    .speed-display { min-width: 36px; font-size: 12px; }
}

/* 内联 style="" 提取（保持原有高优先级） */
[data-css="sc1"]{display:flex !important;justify-content:space-between !important;margin-top:8px !important;font-size:14px !important;color:#666 !important}