:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --primary-soft: #eff6ff;

    --dark-bg: #0f172a;
    --dark-bg-light: #1e293b;

    --light-bg: #f8fafc;
    --surface: #ffffff;

    --border-color: #e5e7eb;
    --border-strong: #cbd5e1;

    --text-dark: #0f172a;
    --text-body: #334155;
    --text-gray: #475569;
    --text-light: #64748b;
    --text-muted: #94a3b8;

    --success: #16a34a;
    --warning: #d97706;
    --error: #dc2626;
    --info: #2563eb;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 999px;

    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 2rem;
    --fs-4xl: 2.5rem;

    --section-gap: var(--space-7);
    --card-gap: var(--space-4);

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.04), 0 6px 16px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 15px rgba(15, 23, 42, 0.05), 0 20px 40px rgba(15, 23, 42, 0.08);

    --transition-fast: all 0.18s ease;
    --transition: all 0.28s ease;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-body);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary-color); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.main {
    flex: 1;
    padding: var(--space-6) 0;
    min-height: calc(100vh - 80px);
}

.header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: var(--space-4) 0;
    position: relative;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-2xl);
    font-weight: 700;
    text-decoration: none;
    color: white;
    transition: var(--transition-fast);
}
.logo:hover { transform: scale(1.02); }
.logo i {
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: var(--transition-fast);
}
.logo:hover i { transform: rotate(6deg); }
.logo span {
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: var(--space-5);
}

.nav-link {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
    padding: var(--space-2) 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-sm);
}
.nav-link i { font-size: 0.8rem; opacity: 0.7; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
    border-radius: 2px;
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }
.nav-link:hover,
.nav-link.active { color: white; }
.nav-link:hover i,
.nav-link.active i { opacity: 1; }

.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-muted);
    padding: var(--space-6) 0;
    margin-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-bottom { text-align: center; }
.copyright { font-size: var(--fs-sm); color: var(--text-muted); }
.copyright a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition-fast);
}
.copyright a:hover { text-decoration: underline; }

.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xl);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.search-container {
    margin: var(--space-5) auto var(--space-6);
    max-width: 800px;
    width: 100%;
    display: flex;
    justify-content: center;
}

.search-form {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.search-input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) 2.75rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    font-size: var(--fs-base);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
    background: white;
    color: var(--text-dark);
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    font-size: var(--fs-base);
}

.search-clear {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-1);
    display: none;
}
.search-clear:hover { color: var(--error); }

.search-form .btn {
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    font-size: var(--fs-xs);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
    font-size: var(--fs-sm);
    line-height: 1.25;
    white-space: nowrap;
}

.btn-primary { background: var(--primary-color); color: white; }
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: white;
    color: var(--text-body);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: var(--light-bg);
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

.btn-danger { background: var(--error); color: white; }
.btn-danger:hover {
    background: #b91c1c;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.message {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    font-size: var(--fs-sm);
    margin: var(--space-4) 0;
    line-height: 1.6;
}
.message__icon { flex-shrink: 0; margin-top: 0.1rem; }

.message--info    { background: #eff6ff; border-color: var(--info);    color: #1e40af; }
.message--success { background: #f0fdf4; border-color: var(--success); color: #166534; }
.message--warning { background: #fffbeb; border-color: var(--warning); color: #92400e; }
.message--error   { background: #fef2f2; border-color: var(--error);   color: #991b1b; }

.error-message,
.success-message,
.info-message,
.warning-message {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    font-size: var(--fs-sm);
    margin: var(--space-4) 0;
}
.error-message   { background: #fef2f2; border-color: var(--error);   color: #991b1b; }
.success-message { background: #f0fdf4; border-color: var(--success); color: #166534; }
.info-message    { background: #eff6ff; border-color: var(--info);    color: #1e40af; }
.warning-message { background: #fffbeb; border-color: var(--warning); color: #92400e; }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color);
    gap: var(--space-3);
}

.section-title-home {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.section-title-home i { color: var(--primary-color); }

.view-all-link {
    font-size: var(--fs-sm);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    transition: var(--transition-fast);
    white-space: nowrap;
}
.view-all-link:hover {
    color: var(--primary-dark);
    gap: var(--space-2);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-7);
    flex-wrap: wrap;
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 var(--space-3);
    border-radius: var(--radius-md);
    background: white;
    border: 1px solid var(--border-color);
    color: var(--text-body);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
    font-size: var(--fs-sm);
}
.pagination-link:hover {
    background: var(--light-bg);
    border-color: var(--primary-color);
}
.pagination-link.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}
.pagination-link.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.song-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 0.28s ease, box-shadow 0.28s ease;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.song-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.song-card-cover-link {
    display: block;
    text-decoration: none;
    flex-shrink: 0;
}

.song-card-cover {
    position: relative;
    aspect-ratio: 1 / 1;
    width: 100%;
    overflow: hidden;
    background: #f1f5f9;
}
.song-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.song-card:hover .song-card-cover img { transform: scale(1.05); }

.song-card-year {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: rgba(15, 23, 42, 0.72);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.15rem var(--space-2);
    border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
}

.song-card-info {
    padding: var(--space-3) var(--space-3) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    overflow: hidden;
    flex-shrink: 0;
    width: 100%;
    min-width: 0;
}

.song-card-title {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-dark);
    text-decoration: none;
    line-height: 1.35;
    min-height: 1.35em;
}
.song-card-title:hover { color: var(--primary-color); }

.song-card-artist {
    font-size: var(--fs-xs);
    color: var(--text-gray);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    min-height: 1.4em;
}
.song-card-artist a { color: inherit; text-decoration: none; }
.song-card-artist a:hover { color: var(--primary-color); }

.song-card-genre {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.35;
    min-height: 1.35em;
}
.song-card-genre a { color: inherit; text-decoration: none; }
.song-card-genre a:hover { color: var(--primary-color); }

.hero-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    padding: var(--space-8) var(--space-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--section-gap);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.14) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -40%; left: -10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.10) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
    line-height: 1.15;
}
.hero-title span {
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: var(--fs-lg);
    color: #94a3b8;
    margin-bottom: var(--space-5);
}

.hero-search {
    max-width: 600px;
    margin: 0 auto var(--space-4);
}

.hero-search-form {
    display: flex;
    align-items: center;
    background: white;
    border-radius: var(--radius-full);
    padding: 0.3rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
}

.hero-search-input {
    flex: 1;
    border: none;
    padding: var(--space-3) var(--space-4) var(--space-3) 2.75rem;
    font-size: var(--fs-base);
    background: transparent;
    border-radius: var(--radius-full);
    color: var(--text-dark);
}
.hero-search-input:focus { outline: none; }
.hero-search-input::placeholder { color: var(--text-muted); }

.hero-search-form .search-icon {
    left: var(--space-4);
    color: var(--text-muted);
}

.hero-search-btn {
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--fs-sm);
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}
.hero-search-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    align-items: center;
}
.hero-tags-label {
    font-size: var(--fs-xs);
    color: #64748b;
    font-weight: 500;
}
.hero-tag {
    display: inline-block;
    padding: 0.25rem var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 500;
    background: rgba(255, 255, 255, 0.08);
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.hero-tag:hover {
    background: rgba(59, 130, 246, 0.25);
    color: white;
    border-color: rgba(59, 130, 246, 0.35);
}

/* Featured Releases — 6 列小卡（首页基准尺寸） */
.featured-section { margin-bottom: var(--section-gap); }

.featured-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-3);
}
.featured-grid .song-card {
    max-width: 220px;
    margin: 0 auto;
    width: 100%;
}
.featured-grid .song-card-title {
    -webkit-line-clamp: 1;
    font-size: var(--fs-sm);
    min-height: 1.35em;
}
.featured-grid .song-card-artist { font-size: var(--fs-xs); }

.genres-section-home { margin-bottom: var(--section-gap); }

.genres-grid-home {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-3);
}

.genre-card-home {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: white;
    border-radius: var(--radius-md);
    text-decoration: none;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
    min-width: 0;
}
.genre-card-home:hover {
    border-color: var(--primary-color);
    background: var(--primary-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.genre-icon-home {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: var(--fs-base);
    flex-shrink: 0;
    transition: var(--transition-fast);
}
.genre-card-home:hover .genre-icon-home {
    background: var(--primary-color);
    color: white;
}

.genre-info-home { width: 100%; min-width: 0; }
.genre-name-home {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* Latest Releases — 6 列小卡（与 Featured 一致） */
.latest-section { margin-bottom: var(--space-6); }

.latest-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-3);
}
.latest-grid .song-card {
    max-width: 220px;
    margin: 0 auto;
    width: 100%;
}
.latest-grid .song-card-title {
    -webkit-line-clamp: 1;
    font-size: var(--fs-sm);
    min-height: 1.35em;
}
.latest-grid .song-card-artist { font-size: var(--fs-xs); }

.genre-page-header { margin-bottom: var(--space-6); }

.genre-page-title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--space-1);
    line-height: 1.15;
}

.genre-page-subtitle {
    color: var(--text-light);
    font-size: var(--fs-base);
}

.genre-chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
}

.genre-chips__label {
    font-weight: 600;
    color: var(--text-gray);
    font-size: var(--fs-sm);
    margin-right: var(--space-1);
}

.genre-chip {
    display: inline-block;
    padding: 0.3rem var(--space-3);
    border-radius: var(--radius-full);
    background: var(--light-bg);
    color: var(--text-gray);
    text-decoration: none;
    font-size: var(--fs-xs);
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}
.genre-chip:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-soft);
}
.genre-chip.is-active {
    background: var(--text-dark);
    color: white;
    border-color: var(--text-dark);
}

/* 分类歌曲列表 — 与首页 Latest Releases 完全一致的卡片布局 */
.genre-track-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-3);
}
.genre-track-grid .song-card {
    max-width: 220px;
    margin: 0 auto;
    width: 100%;
}
.genre-track-grid .song-card-title {
    -webkit-line-clamp: 1;
    font-size: var(--fs-sm);
    min-height: 1.35em;
}
.genre-track-grid .song-card-artist { font-size: var(--fs-xs); }

.genres-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    padding: var(--space-7) var(--space-6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-7);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.genres-hero::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.14) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.genres-hero__title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 1;
}
.genres-hero__title i { color: var(--primary-color); margin-right: var(--space-2); }
.genres-hero__subtitle {
    font-size: var(--fs-lg);
    color: #94a3b8;
    position: relative;
    z-index: 1;
}

.genres-overview-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-3);
}

.genre-overview-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: white;
    border-radius: var(--radius-md);
    text-decoration: none;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
    min-width: 0;
}
.genre-overview-card:hover {
    border-color: var(--primary-color);
    background: var(--primary-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.genre-overview-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-md);
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: var(--fs-lg);
    flex-shrink: 0;
    transition: var(--transition-fast);
}
.genre-overview-card:hover .genre-overview-icon {
    background: var(--primary-color);
    color: white;
}

.genre-overview-info { min-width: 0; flex: 1; }
.genre-overview-name {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.genre-overview-count {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-top: 0.1rem;
}

.search-page-header { margin-bottom: var(--space-5); }

.search-page-title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-1);
    line-height: 1.25;
    word-break: break-word;
}
.search-page-title .query { color: var(--primary-color); }

.search-page-meta {
    color: var(--text-light);
    font-size: var(--fs-sm);
}

/* 搜索结果 — 与首页 Latest Releases 完全一致的卡片布局 */
.search-results-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-3);
}
.search-results-grid .song-card {
    max-width: 220px;
    margin: 0 auto;
    width: 100%;
}
.search-results-grid .song-card-title {
    -webkit-line-clamp: 1;
    font-size: var(--fs-sm);
    min-height: 1.35em;
}
.search-results-grid .song-card-artist { font-size: var(--fs-xs); }

.search-empty {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-7) var(--space-5);
    text-align: center;
    color: var(--text-light);
}
.search-empty__icon {
    font-size: 2.5rem;
    color: var(--text-muted);
    margin-bottom: var(--space-3);
    display: block;
}
.search-empty__title {
    font-weight: 600;
    color: var(--text-body);
    margin-bottom: var(--space-1);
    font-size: var(--fs-base);
}
.search-empty__desc {
    font-size: var(--fs-sm);
    color: var(--text-muted);
}

.song-detail-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.breadcrumb {
    font-size: var(--fs-sm);
    color: var(--text-light);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-6);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1);
}
.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .separator { color: var(--text-muted); }

.song-main {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-7);
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-7);
}

.song-cover img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}
.song-cover img:hover { transform: scale(1.02); }

.song-info-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
}

.song-header { margin-bottom: var(--space-5); }

.song-title-detail {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
    margin: 0;
    word-break: break-word;
}

.song-meta-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2) var(--space-6);
    margin: var(--space-5) 0;
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    align-items: baseline;
    padding: var(--space-1) 0;
    gap: var(--space-2);
    min-width: 0;
}

.meta-label {
    font-weight: 500;
    color: var(--text-muted);
    font-size: var(--fs-xs);
    white-space: nowrap;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.meta-value {
    color: var(--text-body);
    font-size: var(--fs-sm);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}
.meta-value a {
    color: var(--text-body);
    text-decoration: none;
    transition: var(--transition-fast);
}
.meta-value a:hover { color: var(--primary-color); }

.song-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--fs-sm);
    text-decoration: none;
    transition: var(--transition-fast);
    background: var(--text-dark);
    color: white;
    border: none;
    cursor: pointer;
}
.btn-download:hover {
    background: #1e293b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-download.flac { background: #7c3aed; }
.btn-download.flac:hover {
    background: #6d28d9;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}
.btn-download i { font-size: var(--fs-base); }

.no-downloads {
    color: var(--text-muted);
    font-style: italic;
    padding: var(--space-3) 0;
    font-size: var(--fs-sm);
}

.tracklist-section,
.related-section {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-6);
}

.section-title-detail {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--light-bg);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.section-title-detail i { color: var(--primary-color); }

.tracklist {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.track-item-detail {
    display: flex;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: background 0.15s;
    gap: var(--space-2);
}
.track-item-detail:hover { background: var(--light-bg); }

.track-number-detail {
    color: var(--text-muted);
    font-size: var(--fs-xs);
    min-width: 2.5rem;
    font-weight: 500;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.track-name-detail {
    flex: 1;
    color: var(--text-body);
    font-size: var(--fs-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.track-duration {
    color: var(--text-muted);
    font-size: var(--fs-xs);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
    min-width: 3rem;
    text-align: right;
}

.track-preview-btn {
    background: var(--text-dark);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    padding: 0.25rem var(--space-3);
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 500;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
    flex-shrink: 0;
}
.track-preview-btn:hover {
    background: #1e293b;
    transform: scale(1.02);
}
.track-preview-btn i { font-size: 0.6rem; }
.track-preview-btn.playing { background: var(--error); }
.track-preview-btn.playing:hover { background: #b91c1c; }
.track-preview-btn.playing i { animation: pulse 1s ease-in-out infinite; }

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--space-4);
}

.related-card {
    text-decoration: none;
    transition: transform 0.25s;
    display: block;
    min-width: 0;
    width: 100%;
    overflow: hidden;
}
.related-card:hover { transform: translateY(-4px); }

.related-cover {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: #f1f5f9;
}
.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-info {
    padding: var(--space-2) var(--space-1) 0;
    width: 100%;
    min-width: 0;
    overflow: hidden;
    height: 3.6rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.related-title {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--text-dark);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.35;
    min-height: 1.35em;
}

.related-artist {
    font-size: 0.7rem;
    color: var(--text-light);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.35;
    margin-top: 0.1rem;
    min-height: 1.35em;
}

.error-page .main {
    padding: var(--space-8) 0;
    min-height: calc(100vh - 180px);
    display: flex;
    align-items: center;
}

.error-container {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-7);
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.error-icon {
    font-size: 4rem;
    color: var(--error);
    margin-bottom: var(--space-5);
    display: block;
}

.error-title {
    font-size: var(--fs-3xl);
    margin-bottom: var(--space-3);
    color: var(--text-dark);
    font-weight: 800;
    line-height: 1.2;
}

.error-message {
    font-size: var(--fs-base);
    color: var(--text-light);
    margin-bottom: var(--space-5);
    line-height: 1.7;
}

.error-suggestions {
    background-color: #fef3c7;
    border-radius: var(--radius-md);
    padding: var(--space-5);
    margin: var(--space-5) 0;
    text-align: left;
    border-left: 4px solid var(--warning);
}

.suggestion-title {
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: #92400e;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.suggestion-list { padding-left: var(--space-5); }
.suggestion-list li {
    margin-bottom: var(--space-2);
    color: #b45309;
    font-size: var(--fs-sm);
}

.action-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.search-box { margin: var(--space-5) 0; }

.search-box .search-input {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    display: block;
}

.footer-links { margin-bottom: var(--space-3); }
.footer-links a {
    color: var(--text-muted);
    margin: 0 var(--space-2);
    text-decoration: none;
    transition: var(--transition-fast);
}
.footer-links a:hover {
    color: white;
    text-decoration: underline;
}

.legal-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-6) 0;
    animation: fadeIn 0.4s ease-out;
}

.legal-header {
    text-align: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.legal-title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: var(--space-2);
    line-height: 1.2;
}

.legal-subtitle {
    font-size: var(--fs-base);
    color: var(--text-light);
}

.legal-content {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-6);
}

.legal-section {
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--light-bg);
}
.legal-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.legal-section h2 {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-3);
}

.legal-section h3 {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--text-body);
    margin: var(--space-4) 0 var(--space-2);
}

.legal-section p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: var(--space-3);
    font-size: var(--fs-sm);
}

.legal-section ul {
    margin: var(--space-3) 0;
    padding-left: var(--space-5);
}

.legal-section li {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: var(--space-2);
    font-size: var(--fs-sm);
}

.legal-section strong { color: var(--text-dark); }

.contact-info {
    background: var(--light-bg);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    margin: var(--space-3) 0;
    border-left: 4px solid var(--primary-color);
}
.contact-info p { margin-bottom: var(--space-1); }
.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
}
.contact-info a:hover { text-decoration: underline; }

.note {
    background: #fef3c7;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    color: #92400e;
    font-size: var(--fs-sm);
    margin-top: var(--space-3);
}

.legal-footer {
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: var(--fs-sm);
    color: var(--text-light);
}
.legal-footer p { margin-bottom: var(--space-1); }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }

.mt-1 { margin-top: var(--space-2); }
.mt-2 { margin-top: var(--space-4); }
.mt-3 { margin-top: var(--space-5); }
.mt-4 { margin-top: var(--space-6); }

.mb-1 { margin-bottom: var(--space-2); }
.mb-2 { margin-bottom: var(--space-4); }
.mb-3 { margin-bottom: var(--space-5); }
.mb-4 { margin-bottom: var(--space-6); }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 0.25rem;
}

@media (max-width: 1200px) {
    /* 首页 / search / genres 三个歌曲列表列数保持一致 */
    .featured-grid          { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .latest-grid            { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .genre-track-grid       { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .search-results-grid    { grid-template-columns: repeat(5, minmax(0, 1fr)); }

    .genres-grid-home       { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .genres-overview-grid   { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 992px) {
    .song-main {
        grid-template-columns: 1fr;
        padding: var(--space-5);
        gap: var(--space-5);
    }
    .song-cover { max-width: 280px; margin: 0 auto; }
    .related-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    .hero-section { padding: var(--space-6) var(--space-5); }
    .hero-search-form {
        flex-direction: column;
        background: transparent;
        box-shadow: none;
        gap: var(--space-2);
        padding: 0;
        border: none;
    }
    .hero-search-input {
        background: white;
        border-radius: var(--radius-full);
        padding: var(--space-3) var(--space-4) var(--space-3) 2.75rem;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    }
    .hero-search-btn { width: 100%; padding: var(--space-3); }

    .featured-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .latest-grid   { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .genres-grid-home { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .genre-track-grid     { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
    .genres-overview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .genres-hero          { padding: var(--space-6) var(--space-4); }

    .search-results-grid  { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
    .search-page-title    { font-size: var(--fs-xl); }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--space-4); }
    .header-content { flex-direction: column; gap: var(--space-3); }
    .nav-links { gap: var(--space-4); }
    .nav-link { font-size: var(--fs-sm); }
    .main { padding: var(--space-4) 0; }

    .back-to-top {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 2.5rem;
        height: 2.5rem;
        font-size: var(--fs-base);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }

    .search-container {
        margin: var(--space-3) auto var(--space-4);
        padding: 0 var(--space-4);
    }
    .search-form { max-width: 100%; }

    .song-card-info { padding: var(--space-2) var(--space-2) var(--space-3); }

    .song-meta-list { grid-template-columns: 1fr; gap: var(--space-2); }
    .song-actions { flex-direction: column; }
    .btn-download { justify-content: center; }

    .tracklist-section,
    .related-section { padding: var(--space-4) var(--space-4); }

    .related-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
    .track-item-detail { flex-wrap: wrap; gap: 0.3rem; }
    .track-name-detail { font-size: 0.8rem; white-space: normal; min-width: 80px; }
    .track-preview-btn { font-size: 0.65rem; padding: 0.2rem 0.6rem; }

    .error-container { padding: var(--space-5) var(--space-4); }
    .error-icon { font-size: 3rem; }
    .error-title { font-size: var(--fs-2xl); }
    .action-buttons { flex-direction: column; align-items: center; }
    .action-buttons .btn { width: 100%; max-width: 300px; }

    .legal-container { padding: var(--space-4); }
    .legal-header { margin-bottom: var(--space-5); }
    .legal-title { font-size: 1.75rem; }
    .legal-content { padding: var(--space-4); }
    .legal-section h2 { font-size: var(--fs-xl); }
    .legal-section h3 { font-size: var(--fs-base); }
}

@media (max-width: 640px) {
    .hero-section {
        padding: var(--space-6) var(--space-4);
        border-radius: var(--radius-lg);
        margin-bottom: var(--space-6);
    }
    .hero-subtitle { font-size: var(--fs-sm); }
    .hero-tag { font-size: 0.68rem; padding: 0.15rem var(--space-2); }

    .featured-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
    .featured-grid .song-card { max-width: none; }
    .latest-grid   { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
    .latest-grid .song-card { max-width: none; }

    .genres-grid-home { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2); }
    .genre-card-home { padding: var(--space-2) var(--space-3); gap: var(--space-2); }
    .genre-icon-home { width: 2rem; height: 2rem; font-size: var(--fs-sm); }
    .genre-name-home { font-size: var(--fs-xs); }

    .genre-page-title { font-size: var(--fs-2xl); }
    .genre-page-subtitle { font-size: var(--fs-sm); }
    .genre-track-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
    .genre-track-grid .song-card { max-width: none; }
    .genres-overview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2); }
    .genre-overview-card { padding: var(--space-2) var(--space-3); gap: var(--space-2); }
    .genre-overview-icon { width: 2rem; height: 2rem; font-size: var(--fs-sm); }
    .genre-overview-name { font-size: var(--fs-xs); }
    .genre-overview-count { font-size: 0.65rem; }
    .genre-chips { padding: var(--space-2) var(--space-3); }

    .search-results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
    .search-results-grid .song-card { max-width: none; }
    .search-empty { padding: var(--space-5) var(--space-4); }

    .song-main { padding: var(--space-4); }
    .song-cover { max-width: 200px; }
    .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2); }
    .track-item-detail { padding: 0.4rem var(--space-2); }
    .track-number-detail { min-width: 2rem; font-size: 0.7rem; }
    .related-info { height: 3.2rem; }

    .legal-content { padding: var(--space-4); }
    .legal-title { font-size: var(--fs-2xl); }
    .contact-info { padding: var(--space-3) var(--space-4); }
}

@media (max-width: 480px) {
    .container { padding: 0 var(--space-3); }
    .search-input {
        padding: var(--space-3) var(--space-3) var(--space-3) 2.5rem;
        font-size: var(--fs-sm);
    }
    .btn { padding: var(--space-2) var(--space-4); font-size: var(--fs-xs); }
    .nav-links { gap: var(--space-3); }
    .nav-link i { display: none; }

    .featured-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2); }
    .latest-grid   { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2); }
    .search-results-grid { gap: var(--space-2); }
}

@media (max-width: 400px) {
    .latest-grid, .featured-grid { gap: var(--space-2); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}