/* ================================================================
   歌曲代理发行系统 - 前台用户端样式
   设计语言：低饱和藏青 · 专业商务 · 整洁克制
================================================================ */

/* ---------- 设计 Token（与后台一致） ---------- */
:root {
    /* 主色系统 */
    --color-primary:        #1e3a5f;
    --color-primary-hover:  #284a79;
    --color-primary-light:  #e8eef6;
    --color-primary-accent: #3b6ea5;
    --color-success:        #2f7a4f;
    --color-success-hover:  #256340;
    --color-success-light:  #e7f2ec;
    --color-danger:         #b4473c;
    --color-danger-hover:   #933830;
    --color-danger-light:   #f6eae8;
    --color-warning:        #a9691f;
    --color-warning-hover:  #8b5414;
    --color-warning-light:  #f5ecd9;
    --color-info:           #2c5a8c;
    --color-info-light:     #e7eff8;

    /* 中性灰色阶 */
    --gray-900: #1a202c;
    --gray-800: #2d3748;
    --gray-700: #4a5568;
    --gray-600: #64748b;
    --gray-500: #8b95a7;
    --gray-400: #b0b9c7;
    --gray-300: #d4dae4;
    --gray-200: #e5e9f0;
    --gray-100: #f0f3f7;
    --gray-50:  #f6f8fb;
    --white:    #ffffff;

    /* 文本色阶 */
    --text-primary:   var(--gray-800);
    --text-regular:   var(--gray-700);
    --text-secondary: var(--gray-600);
    --text-muted:     var(--gray-500);
    --text-disabled:  var(--gray-400);

    /* 背景/边框 */
    --bg-body:      var(--gray-50);
    --bg-card:      var(--white);
    --bg-footer:    linear-gradient(180deg, #172338 0%, #101a2b 100%);
    --bg-hero:      linear-gradient(135deg, #12213a 0%, #1e3a5f 55%, #27497a 100%);
    --border-color: var(--gray-200);
    --divider:      var(--gray-100);

    /* 尺寸系统 */
    --radius-sm: 4px;
    --radius:    6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-xs: 0 1px 2px rgba(26,32,44,0.04);
    --shadow-sm: 0 1px 3px rgba(26,32,44,0.06), 0 1px 2px rgba(26,32,44,0.04);
    --shadow-md: 0 4px 14px rgba(26,32,44,0.07), 0 2px 4px rgba(26,32,44,0.04);
    --shadow-lg: 0 10px 30px rgba(26,32,44,0.10), 0 4px 10px rgba(26,32,44,0.06);
    --shadow-header: 0 1px 0 rgba(26,32,44,0.04), 0 4px 18px rgba(26,32,44,0.05);
    --shadow-dropdown: 0 10px 32px rgba(15,23,42,0.14), 0 2px 6px rgba(15,23,42,0.06);

    /* 动效 */
    --ease:     cubic-bezier(.2,.7,.2,1);
    --dur-fast: .15s;
    --dur:      .22s;
    --dur-slow: .35s;

    /* 字号系统 */
    --fs-xs: 12px;
    --fs-sm: 13px;
    --fs:    14px;
    --fs-md: 15px;
    --fs-lg: 16px;
    --fs-xl: 18px;
    --fs-2xl: 22px;
    --fs-3xl: 28px;
    --fs-4xl: 38px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    font-size: var(--fs);
    line-height: 1.6;
    color: var(--text-regular);
    background: var(--bg-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease);
}
a:hover { color: var(--color-primary-hover); }

img { max-width: 100%; vertical-align: middle; }

/* ---------- 按钮（与后台一致的视觉语言） ---------- */
.btn {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: var(--fs);
    cursor: pointer;
    transition: all var(--dur) var(--ease);
    text-align: center;
    text-decoration: none;
    font-weight: 500;
    line-height: 1.55;
    background: var(--white);
    font-family: inherit;
    user-select: none;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 1px 2px rgba(30,58,95,0.25), inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-primary:hover {
    background: linear-gradient(180deg, var(--color-primary-hover) 0%, #2f5484 100%);
    border-color: var(--color-primary-hover);
    color: #fff;
    box-shadow: 0 3px 8px rgba(30,58,95,0.28), inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
}
.btn-success {
    background: linear-gradient(180deg, var(--color-success) 0%, var(--color-success-hover) 100%);
    color: #fff;
    border-color: var(--color-success);
    box-shadow: 0 1px 2px rgba(47,122,79,0.22);
}
.btn-success:hover {
    background: linear-gradient(180deg, var(--color-success-hover) 0%, #1f5536 100%);
    color: #fff;
}
.btn-warning {
    background: linear-gradient(180deg, var(--color-warning) 0%, var(--color-warning-hover) 100%);
    color: #fff;
    border-color: var(--color-warning);
}
.btn-danger {
    background: linear-gradient(180deg, var(--color-danger) 0%, var(--color-danger-hover) 100%);
    color: #fff;
    border-color: var(--color-danger);
    box-shadow: 0 1px 2px rgba(180,71,60,0.22);
}
.btn-danger:hover {
    background: linear-gradient(180deg, var(--color-danger-hover) 0%, #7c2d27 100%);
    color: #fff;
}
.btn-sm { padding: 4px 12px; font-size: var(--fs-xs); }
.btn-lg { padding: 12px 30px; font-size: var(--fs-md); }
.btn-block { display: block; width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }

/* ===== 顶部导航 ===== */
.site-header {
    background: rgba(255,255,255,0.94);
    backdrop-filter: saturate(180%) blur(10px);
    -webkit-backdrop-filter: saturate(180%) blur(10px);
    box-shadow: var(--shadow-header);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--divider);
}
.nav-container {
    display: flex;
    align-items: center;
    height: 68px;
}
.logo { margin-right: 56px; }
.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1.5px;
    position: relative;
    padding-bottom: 2px;
}
.logo-text::after {
    content: '';
    position: absolute;
    left: 0; right: 20%; bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-accent), transparent);
    border-radius: 1px;
}
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 36px;
}
.main-nav a {
    font-size: var(--fs-md);
    color: var(--text-regular);
    padding: 6px 2px;
    position: relative;
    font-weight: 500;
    letter-spacing: 0.2px;
}
.main-nav a::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--dur) var(--ease);
    border-radius: 1px;
}
.main-nav a:hover,
.main-nav a.active { color: var(--color-primary); }
.main-nav a.active::after,
.main-nav a:hover::after { transform: scaleX(1); }

.user-area { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.user-dropdown {
    position: relative;
    cursor: pointer;
}
.user-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center; justify-content: center;
    background: var(--color-primary-light);
    overflow: hidden;
    margin-right: 8px;
    vertical-align: middle;
    border: 2px solid var(--white);
    box-shadow: 0 0 0 1px var(--border-color);
    transition: box-shadow var(--dur) var(--ease);
}
.user-avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-placeholder {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary);
}
.user-dropdown:hover .user-avatar { box-shadow: 0 0 0 2px var(--color-primary-light), 0 0 0 3px var(--color-primary); }
.user-name { font-weight: 500; color: var(--text-primary); font-size: var(--fs-sm); }

/* Click-Only 下拉菜单 */
.user-dropdown {
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}
.user-dropdown.open .dropdown-menu { display: block; }
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 200px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-dropdown);
    padding: 6px;
    z-index: 200;
    transform-origin: top right;
    animation: dropdownFadeIn .2s var(--ease);
    border: 1px solid var(--divider);
}
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -5px; right: 28px;
    width: 10px; height: 10px;
    background: var(--white);
    border-left: 1px solid var(--divider);
    border-top: 1px solid var(--divider);
    transform: rotate(45deg);
}
@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-6px) scale(.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.dropdown-menu a {
    display: block;
    padding: 9px 14px;
    color: var(--text-regular);
    font-size: var(--fs-sm);
    position: relative;
    border-radius: var(--radius-sm);
    transition: all var(--dur-fast) var(--ease);
    margin: 1px 0;
}
.dropdown-menu a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.dropdown-menu .divider {
    height: 1px;
    background: var(--divider);
    margin: 6px 8px;
}

.badge-red {
    display: inline-block;
    min-width: 18px;
    padding: 0 6px;
    height: 18px;
    line-height: 18px;
    background: var(--color-danger);
    color: #fff;
    border-radius: 9px;
    font-size: 11px;
    text-align: center;
    font-weight: 500;
    box-shadow: 0 0 0 2px rgba(180,71,60,0.15);
    vertical-align: 1px;
}
.status-badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 10px;
    font-size: 11px;
    margin-left: 6px;
    font-weight: 500;
}
.status-orange { background: var(--color-warning-light); color: var(--color-warning); }
.status-green  { background: var(--color-success-light); color: var(--color-success); }
.status-red    { background: var(--color-danger-light);  color: var(--color-danger); }
.status-gray   { background: var(--gray-100);            color: var(--text-secondary); }
.status-blue   { background: var(--color-info-light);    color: var(--color-info); }

/* ===== 主内容 ===== */
.main-content { flex: 1; padding: 32px 0; }

/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-footer);
    color: var(--gray-400);
    padding: 40px 0 28px;
    margin-top: 60px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-info h4 {
    color: #ffffff;
    margin-bottom: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: var(--fs-lg);
}
.footer-info h4::after {
    content: '';
    display: block;
    width: 32px;
    height: 2px;
    background: var(--color-primary-accent);
    border-radius: 1px;
    margin-top: 10px;
}
.footer-info p { font-size: var(--fs-sm); margin: 6px 0; color: var(--gray-500); }
.site-footer .copyright {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    color: var(--gray-500);
    font-size: var(--fs-xs);
    letter-spacing: 0.5px;
}

/* ===== 表单 ===== */
.form-card {
    max-width: 520px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 42px 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--divider);
}
.form-card-wide { max-width: 820px; }
.form-title {
    text-align: center;
    margin-bottom: 8px;
    font-size: var(--fs-2xl);
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.5px;
}
.form-title + * { margin-top: 28px; }
.form-group { margin-bottom: 20px; }
.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-regular);
    font-size: var(--fs-sm);
    letter-spacing: 0.2px;
}
.form-label .required { color: var(--color-danger); margin-right: 3px; font-weight: 600; }
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: var(--fs);
    transition: all var(--dur) var(--ease);
    background: var(--white);
    color: var(--text-primary);
    box-sizing: border-box;
    font-family: inherit;
}
.form-control::placeholder { color: var(--text-disabled); }
.form-control:hover { border-color: var(--gray-400); }
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30,58,95,0.10);
    background: var(--white);
}
textarea.form-control { resize: vertical; min-height: 100px; line-height: 1.7; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.form-text { font-size: var(--fs-xs); color: var(--text-secondary); margin-top: 6px; }
.form-hint { font-size: var(--fs-xs); color: var(--text-muted); }

/* 上传控件 */
.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    padding: 34px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--dur) var(--ease);
    background: var(--gray-50);
    position: relative;
}
.upload-area:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.upload-area.has-file { padding: 18px; }
.upload-btn {
    display: inline-block;
    padding: 9px 26px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: #fff;
    border-radius: var(--radius);
    cursor: pointer;
    margin-bottom: 10px;
    font-size: var(--fs-sm);
    font-weight: 500;
    box-shadow: 0 1px 2px rgba(30,58,95,0.25);
}
.upload-btn:hover { filter: brightness(1.05); }
.upload-preview {
    max-width: 160px;
    max-height: 160px;
    border-radius: var(--radius-md);
    margin: 0 auto 10px;
    display: block;
    border: 1px solid var(--divider);
    padding: 2px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
}
.file-info {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    word-break: break-all;
}

/* ===== 提示消息 ===== */
.alert {
    padding: 13px 18px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    border: 1px solid transparent;
    line-height: 1.6;
    font-size: var(--fs-sm);
}
.alert-success { background: var(--color-success-light); color: var(--color-success-hover); border-color: rgba(47,122,79,0.2); }
.alert-error   { background: var(--color-danger-light);  color: var(--color-danger-hover);  border-color: rgba(180,71,60,0.22); }
.alert-warning { background: var(--color-warning-light); color: var(--color-warning-hover); border-color: rgba(169,105,31,0.22); }
.alert-info    { background: var(--color-info-light);    color: var(--color-info);          border-color: rgba(44,90,140,0.2); }

/* ===== 注册类型切换 ===== */
.type-switch {
    display: flex;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--gray-50);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.03);
}
.type-switch-item {
    flex: 1;
    padding: 16px 14px;
    text-align: center;
    cursor: pointer;
    background: transparent;
    transition: all var(--dur) var(--ease);
    position: relative;
}
.type-switch-item + .type-switch-item { border-left: 1px solid var(--border-color); }
.type-switch-item.active {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), 0 2px 8px rgba(30,58,95,0.25);
}
.type-switch-item strong { display: block; font-size: var(--fs-md); margin-bottom: 3px; font-weight: 600; }
.type-switch-item small { font-size: var(--fs-xs); opacity: 0.75; }

/* ===== 首页 Hero ===== */
.hero {
    background: var(--bg-hero);
    color: #fff;
    padding: 90px 0 110px;
    text-align: center;
    border-radius: 0 0 48px 48px;
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 20%, rgba(59,110,165,0.35) 0%, transparent 35%),
        radial-gradient(circle at 85% 80%, rgba(80,140,200,0.22) 0%, transparent 40%);
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, transparent 90%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, transparent 90%);
}
.hero > * { position: relative; z-index: 1; }
.hero h1 {
    font-size: var(--fs-4xl);
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.hero p {
    font-size: var(--fs-lg);
    opacity: 0.88;
    margin-bottom: 32px;
    font-weight: 300;
    letter-spacing: 1px;
}
.hero .btn {
    font-size: var(--fs-md);
    padding: 12px 36px;
    margin: 0 8px;
    letter-spacing: 1px;
}
.hero .btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.08);
}
.hero .btn-outline:hover {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
    box-shadow: 0 4px 14px rgba(255,255,255,0.25);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}
.stat-card {
    background: var(--white);
    padding: 26px 22px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--divider);
    position: relative;
    overflow: hidden;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.stat-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-accent));
}
.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.stat-card .num {
    font-size: 30px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}
.stat-card .label {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: 8px;
    letter-spacing: 0.3px;
}

.section-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 22px;
}
.section-title h2 {
    font-size: var(--fs-2xl);
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
    padding-left: 14px;
    letter-spacing: 0.3px;
}
.section-title h2::before {
    content: '';
    position: absolute;
    left: 0; top: 6px; bottom: 6px;
    width: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-primary-accent));
}
.section-title a {
    color: var(--color-primary);
    font-size: var(--fs-sm);
    font-weight: 500;
}
.section-title a::after { content: ' →'; }

/* ===== 歌曲列表卡片 ===== */
.song-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}
.song-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--divider);
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
    position: relative;
}
.song-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px transparent;
    pointer-events: none;
    transition: box-shadow var(--dur) var(--ease);
}
.song-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.song-card:hover::after { box-shadow: inset 0 0 0 1px var(--color-primary-light); }
.song-cover {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
    background: var(--gray-100);
}
.song-cover img {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--dur-slow) var(--ease);
}
.song-card:hover .song-cover img { transform: scale(1.05); }
.song-info { padding: 14px 16px 16px; }
.song-name {
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.song-singer { font-size: var(--fs-sm); color: var(--text-secondary); }
.song-meta {
    display: flex;
    justify-content: space-between;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--divider);
}

/* ===== 关于我们 ===== */
.about-card {
    background: var(--white);
    padding: 48px 52px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--divider);
}
.about-card h2 {
    color: var(--color-primary);
    margin-bottom: 20px;
    font-weight: 700;
    font-size: var(--fs-2xl);
}
.about-card h2::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    margin-top: 10px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-accent));
    border-radius: 2px;
}
.about-card p {
    line-height: 1.9;
    margin-bottom: 14px;
    color: var(--text-regular);
    font-size: var(--fs-md);
}

/* ===== 用户中心 ===== */
.user-center {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 24px;
}
.user-main {
    /* grid 1fr 列关键：防止子内容撑开导致横向溢出/换行 */
    min-width: 0;
    width: 100%;
}
.user-sidebar {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    height: fit-content;
    border: 1px solid var(--divider);
    box-shadow: var(--shadow-sm);
}
.user-sidebar-menu a {
    display: block;
    padding: 10px 14px;
    border-radius: var(--radius);
    color: var(--text-regular);
    margin-bottom: 3px;
    position: relative;
    font-size: var(--fs-sm);
    font-weight: 500;
    transition: all var(--dur-fast) var(--ease);
}
.user-sidebar-menu a:hover,
.user-sidebar-menu a.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.user-sidebar-menu a.active::before {
    content: '';
    position: absolute;
    left: 0; top: 9px; bottom: 9px;
    width: 3px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-primary-accent));
    border-radius: 2px;
}
.user-main-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px;
    border: 1px solid var(--divider);
    box-shadow: var(--shadow-sm);
}
.user-main-card h2 {
    font-size: var(--fs-xl);
    color: var(--text-primary);
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--divider);
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* 概览卡片 */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 26px;
}
.overview-item {
    background: linear-gradient(135deg, #ffffff, var(--gray-50));
    padding: 22px 22px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--divider);
    position: relative;
    overflow: hidden;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.overview-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.overview-item .label {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}
.overview-item .value {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 8px;
    letter-spacing: -0.3px;
}
.overview-item .value.green  { color: var(--color-success); }
.overview-item .value.orange { color: var(--color-warning); }

/* 表格 */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: var(--fs-sm);
    border: 1px solid var(--divider);
    border-radius: var(--radius);
    overflow: hidden;
}
.data-table th {
    background: linear-gradient(180deg, var(--gray-50) 0%, #eef2f7 100%);
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    font-size: var(--fs-xs);
    letter-spacing: 0.3px;
}
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--divider);
    color: var(--text-regular);
}
.data-table tbody tr { transition: background var(--dur-fast) var(--ease); }
.data-table tbody tr:nth-child(even) td { background: rgba(246,248,251,0.4); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--color-primary-light); }
.table-empty {
    padding: 70px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--fs-md);
}
.table-empty::before {
    content: '—';
    display: block;
    font-size: 32px;
    letter-spacing: 12px;
    color: var(--gray-300);
    margin-bottom: 14px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 28px;
}
.page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    color: var(--text-regular);
    cursor: pointer;
    transition: all var(--dur) var(--ease);
    background: var(--white);
    text-decoration: none;
    font-size: var(--fs-sm);
    font-weight: 500;
}
.page-item:hover:not(.disabled):not(.active) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}
.page-item.active {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 2px 5px rgba(30,58,95,0.25);
}
.page-item.disabled { opacity: 0.45; cursor: not-allowed; }
.page-ellipsis { padding: 0 5px; color: var(--text-muted); }

/* 通知列表 */
.notif-list { list-style: none; }
.notif-item {
    padding: 16px 18px;
    border-bottom: 1px solid var(--divider);
    position: relative;
    cursor: pointer;
    border-radius: var(--radius);
    margin: 2px 0;
    transition: background var(--dur-fast) var(--ease);
}
.notif-item:last-child { border-bottom: none; }
.notif-item:hover { background: var(--gray-50); }
.notif-item.unread::before {
    content: '';
    position: absolute;
    left: 4px; top: 22px;
    width: 8px; height: 8px;
    background: var(--color-danger);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--color-danger-light);
}
.notif-title { font-weight: 600; color: var(--text-primary); margin-bottom: 5px; font-size: var(--fs-sm); }
.notif-content { color: var(--text-secondary); font-size: var(--fs-sm); line-height: 1.7; }
.notif-time { color: var(--text-muted); font-size: var(--fs-xs); margin-top: 8px; }

/* 筛选栏 */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.filter-bar .form-control { width: auto; min-width: 170px; }

/* 详情信息 */
.detail-grid {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 14px 24px;
}
.detail-label {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: 500;
    padding: 4px 0;
}
.detail-value {
    color: var(--text-primary);
    padding: 4px 0;
    font-size: var(--fs-sm);
}

/* Modal */
.modal-mask {
    display: none;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15,23,42,0.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeInMask var(--dur) var(--ease);
}
.modal-mask.show { display: flex; }
@keyframes fadeInMask { from { opacity: 0; } to { opacity: 1; } }
@keyframes popInBox  {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes noticeScrollX {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.modal-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 620px;
    max-height: 86vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 60px rgba(15,23,42,0.22), 0 8px 20px rgba(15,23,42,0.10);
    animation: popInBox var(--dur-slow) var(--ease);
    border: 1px solid rgba(255,255,255,0.5);
}
.modal-header {
    padding: 16px 22px;
    border-bottom: 1px solid var(--divider);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, var(--white), var(--gray-50));
}
.modal-header h3 {
    font-size: var(--fs-lg);
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.2px;
}
.modal-close {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 24px;
    line-height: 1;
    width: 28px; height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    transition: all var(--dur-fast);
}
.modal-close:hover {
    color: var(--color-danger);
    background: var(--color-danger-light);
    transform: rotate(90deg);
}
.modal-body { padding: 22px; overflow-y: auto; flex: 1; }
.modal-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--divider);
    text-align: right;
    background: var(--gray-50);
}
.modal-footer .btn { margin-left: 8px; }

/* ===== 用户中心顶部栏（Grid 三列锁死横向，绝不换行） ===== */
.user-topbar {
    display: grid;
    grid-template-columns: auto auto 1fr;
    grid-template-areas: "crumb bell user";
    align-items: center;
    column-gap: 18px;
    padding: 10px 4px 14px;
    margin: 0 0 16px;
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
    /* 关键：移除 overflow:hidden，否则绝对定位的下拉菜单会被父容器裁掉！ */
    overflow: visible;
    position: relative;
    z-index: 50;
    border-bottom: 1px solid var(--divider);
}
/* 三块区域：面包屑（左）、铃铛（紧贴面包屑）、用户（推到最右） */
.topbar-block-breadcrumb { grid-area: crumb; justify-self: start; align-self: center; min-width: 0; display: inline-flex; }
.topbar-block-bell      { grid-area: bell;  justify-self: start; align-self: center; flex-shrink: 0; }
.topbar-block-user      { grid-area: user;  justify-self: end;   align-self: center; max-width: 100%; min-width: 0; display: inline-flex; justify-content: flex-end; }

/* 面包屑（超轻量） */
.breadcrumb {
    display: inline-flex;
    flex-wrap: nowrap;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 0;
    max-width: 100%;
}
.breadcrumb a {
    color: var(--text-muted);
    transition: color var(--dur-fast);
    text-decoration: none;
}
.breadcrumb a:hover { color: var(--color-primary); }
.crumb-sep {
    margin: 0 8px;
    color: var(--gray-400);
    font-weight: 400;
    flex-shrink: 0;
}
.crumb-current {
    color: var(--text-regular);
    font-weight: 400;
    min-width: 0;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 顶部图标按钮（无背景，纯图标） */
.topbar-icon-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: color var(--dur-fast);
    line-height: 1;
    padding: 0;
    flex-shrink: 0;
}
.topbar-icon-btn:hover {
    color: var(--color-primary);
    background: transparent;
}
.topbar-dot {
    position: absolute;
    top: -4px;
    right: -10px;
    min-width: 14px;
    height: 14px;
    line-height: 14px;
    padding: 0 4px;
    background: transparent;
    color: var(--text-muted);
    border-radius: 0;
    font-size: 11px;
    font-weight: 500;
    text-align: center;
    box-shadow: none;
}

/* 用户下拉触发器（无背景，原生行内对齐） */
.topbar-user-dropdown {
    min-width: 0;
    max-width: 100%;
    /* 关键：作为下拉菜单的 absolute 定位锚点 + 提高层级，保证菜单在卡片上方显示 */
    position: relative;
    z-index: 9999;
}
.topbar-user-trigger {
    display: inline-flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 6px;
    padding: 0;
    transition: none;
    cursor: pointer;
    background: transparent;
    border-radius: 0;
    min-width: 0;
    overflow: hidden;
}
.topbar-user-trigger:hover { background: transparent; }
.topbar-user-dropdown.open .topbar-user-trigger { background: transparent; }
.topbar-account {
    font-size: 13px;
    color: var(--color-primary);
    font-weight: 500;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}
.topbar-user-dropdown .user-avatar { flex-shrink: 0; }
.topbar-caret {
    color: var(--text-muted);
    transition: transform var(--dur-fast);
    flex-shrink: 0;
}
.topbar-user-dropdown.open .topbar-caret {
    transform: rotate(180deg);
}

/* 下拉菜单：菜单图标对齐 */
.menu-icon {
    vertical-align: -2px;
    margin-right: 10px;
    opacity: 0.85;
    flex-shrink: 0;
}
.topbar-dropdown-menu a {
    display: flex;
    align-items: center;
}
.topbar-dropdown-menu {
    min-width: 200px;
    right: 0;
    /* 下拉菜单浮在最上层，覆盖下面所有卡片/内容，但低于修改密码遮罩(1000) */
    z-index: 9999;
}
.topbar-dropdown-menu::before {
    right: 50px;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .user-center { grid-template-columns: 1fr; }
    .overview-grid { grid-template-columns: 1fr; }
    .about-card { padding: 32px 26px; }
}
@media (max-width: 640px) {
    .nav-container { height: auto; padding: 14px 0; flex-wrap: wrap; }
    .main-nav { width: 100%; order: 3; margin-top: 12px; }
    .main-nav ul {
        gap: 0;
        justify-content: space-between;
        overflow-x: auto;
        padding-bottom: 4px;
    }
    .main-nav a { font-size: var(--fs-sm); white-space: nowrap; padding: 4px 2px; }
    .logo { margin-right: 18px; }
    .logo-text { font-size: 18px; letter-spacing: 1px; }
    .form-row { flex-direction: column; gap: 0; }
    .stats-row { grid-template-columns: 1fr; }
    .song-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .hero { padding: 60px 0 80px; border-radius: 0 0 32px 32px; margin-bottom: 36px; }
    .hero h1 { font-size: 28px; letter-spacing: 1px; }
    .hero p { font-size: var(--fs); }
    .hero .btn { display: block; margin: 8px auto; width: 80%; }
    .form-card { padding: 30px 22px; }
    .container { padding: 0 16px; }
    .main-content { padding: 22px 0; }
    .user-main-card { padding: 20px; }
    .detail-grid { grid-template-columns: 1fr; gap: 4px 0; }
    /* 用户中心顶部栏小屏 */
    .user-topbar { padding: 6px 2px 10px; margin-bottom: 12px; }
    .user-topbar-left { gap: 12px; }
    .topbar-account { display: none; }
    .topbar-dropdown-menu::before { right: 14px; }
    .crumb-current { max-width: 90px; }
}

/* ===== 公告栏（横向滚动 + 静态） ===== */
.site-notice-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 40px;
    padding: 9px 14px 9px 12px;
    margin: 0 0 18px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: var(--radius-md);
    color: #9a3412;
    box-sizing: border-box;
    overflow: hidden;
}
.site-notice-bar .notice-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px 3px 8px;
    background: #ffedd5;
    color: #c2410c;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
    white-space: nowrap;
    line-height: 1;
    user-select: none;
}
/* 单条静态：省略号截断 */
.site-notice-bar[data-static="1"] .notice-single {
    flex: 1;
    min-width: 0;
    font-size: 13px;
    color: #7c2d12;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
/* 多条滚动跑马灯 */
.site-notice-bar .notice-marquee {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
}
.site-notice-bar .notice-track {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    padding-right: 32px;
    animation: noticeScrollX 45s linear infinite;
    list-style: none;
    margin: 0;
}
.site-notice-bar .notice-track li {
    display: inline-flex;
    align-items: center;
    padding: 0 32px 0 0;
    font-size: 13px;
    color: #7c2d12;
}
.site-notice-bar .notice-track li::before {
    content: "•";
    display: inline-block;
    margin-right: 10px;
    color: #fb923c;
    font-weight: 700;
    font-size: 16px;
    line-height: 1;
}
/* 鼠标悬停暂停滚动 */
.site-notice-bar:hover .notice-track {
    animation-play-state: paused;
}
/* 移动端：缩小字号与标签宽度 */
@media (max-width: 640px) {
    .site-notice-bar { padding: 8px 10px; gap: 10px; min-height: 36px; }
    .site-notice-bar .notice-label { font-size: 11px; padding: 3px 8px; }
    .site-notice-bar .notice-track { animation-duration: 55s; }
    .site-notice-bar .notice-track li,
    .site-notice-bar[data-static="1"] .notice-single { font-size: 12px; }
}

/* =========================================================
 * 上传歌曲 - 两步进度指示器
 * ========================================================= */
.step-indicator {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0 0 24px;
    padding: 16px 20px;
    background: #f8fafc;
    border-radius: 12px;
}
.step-indicator .step-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #94a3b8;
    font-weight: 500;
    flex: 0 0 auto;
}
.step-indicator .step-num {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #64748b;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 14px;
    transition: all .25s ease;
}
.step-indicator .step-item.active .step-num {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 10px rgba(59,130,246,.22);
}
.step-indicator .step-item.done .step-num {
    background: #10b981;
    color: #fff;
}
.step-indicator .step-item.done .step-num::before {
    content: "✓";
}
.step-indicator .step-item.done .step-num { font-size: 0; }
.step-indicator .step-item.done .step-num::before { font-size: 14px; display: inline-block; }
.step-indicator .step-item.active { color: var(--color-primary); }
.step-indicator .step-line {
    flex: 1;
    height: 2px;
    background: #e2e8f0;
    border-radius: 2px;
    min-width: 24px;
}

/* =========================================================
 * Step 2：发行范围（两列） + 选择国家/地区
 * ========================================================= */
.distribution-scope-row {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 22px;
    align-items: start;
}
.scope-title {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--text-primary);
}
.scope-subtitle {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 10px;
    font-weight: 500;
}
.scope-right-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.scope-edit-link {
    font-size: 12px;
    color: var(--color-primary);
    text-decoration: none;
    cursor: pointer;
}
.scope-edit-link:hover { text-decoration: underline; }

/* 发行范围单选卡片 */
.scope-radio-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    margin-bottom: 10px;
    border: 1px solid var(--divider);
    border-radius: 10px;
    cursor: pointer;
    background: #fff;
    transition: all .2s ease;
}
.scope-radio-item:hover { border-color: #cbd5e1; background: #fafbfc; }
.scope-radio-item.checked {
    border-color: var(--color-primary);
    background: #eff6ff;
    box-shadow: 0 0 0 3px rgba(59,130,246,.08);
}
.scope-radio-item > input { margin-top: 4px; accent-color: var(--color-primary); }
.scope-radio-body .scope-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.scope-radio-body .scope-desc {
    font-size: 12px;
    color: #64748b;
    line-height: 1.6;
}

/* 国家/地区标签盒 */
.countries-box {
    min-height: 150px;
    padding: 12px 14px;
    border: 1px solid var(--divider);
    border-radius: 10px;
    background: #fff;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 8px;
    align-content: flex-start;
}
.countries-placeholder {
    color: #94a3b8;
    font-size: 13px;
    align-self: center;
    width: 100%;
    text-align: center;
    padding: 40px 0;
}
.country-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    font-size: 12px;
    line-height: 1.4;
    white-space: nowrap;
}
.country-tag-more {
    background: #f1f5f9;
    color: #475569;
    border-color: #e2e8f0;
    cursor: pointer;
}

/* =========================================================
 * 选择发行渠道 - 卡片网格
 * ========================================================= */
.channels-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.channels-tip {
    background: #eff6ff;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 13px;
    color: #1e3a8a;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 8px;
}
.channels-tip .tip-icon {
    color: #2563eb;
    font-weight: 700;
    flex-shrink: 0;
}
.channels-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.channel-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--divider);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    transition: all .18s ease;
}
.channel-card:hover {
    border-color: #cbd5e1;
    background: #fafbfc;
}
.channel-card .channel-input {
    accent-color: var(--color-primary);
    flex-shrink: 0;
}
.channel-card .channel-name {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
}
.channel-card:has(input:checked) {
    border-color: var(--color-primary);
    background: #eff6ff;
    box-shadow: 0 0 0 3px rgba(59,130,246,.06);
}
.channel-card:has(input:checked) .channel-name {
    color: #1e3a8a;
    font-weight: 600;
}

/* YouTube / Facebook 政策提示块 */
.policy-block {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 18px;
    margin-bottom: 14px;
    border: 1px solid #fde68a;
    border-radius: 10px;
    background: #fffbeb;
}
.policy-block-left {
    flex: 0 0 auto;
    align-items: center;
    display: flex;
    gap: 10px;
    min-width: 260px;
}
.policy-check {
    font-size: 14px;
    color: var(--text-primary);
}
.policy-check input {
    accent-color: var(--color-primary);
    transform: scale(1.1);
}
.policy-desc {
    flex: 1;
    font-size: 12px;
    color: #78350f;
    line-height: 1.7;
}
.policy-desc .policy-title {
    font-size: 13px;
    margin-bottom: 4px;
    color: #92400e;
}
.policy-desc p {
    margin: 0 0 2px;
}

/* Step2 底部操作 */
.step2-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--divider);
}

/* 响应式：窄屏变一列 */
@media (max-width: 960px) {
    .distribution-scope-row { grid-template-columns: 1fr; }
    .channels-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
    .step-indicator { flex-direction: column; align-items: stretch; }
    .step-indicator .step-line { height: 14px; }
    .channels-grid { grid-template-columns: repeat(2, 1fr); }
    .policy-block { flex-direction: column; gap: 10px; }
    .policy-block-left { min-width: 0; }
}

/* =========================================================
 * 收入趋势页 - 图表与统计样式
 * ========================================================= */
.trend-overview {
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: 22px;
}
.trend-overview .overview-item .value { font-size: 22px; }
.trend-sub {
    margin-top: 8px;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.trend-sub .rate-up   { color: var(--color-success); font-weight: 600; }
.trend-sub .rate-down { color: var(--color-danger);  font-weight: 600; }
.trend-sub .rate-muted { color: var(--gray-400); }

.trend-chart-card {
    background: var(--white);
    border: 1px solid var(--divider);
    border-radius: var(--radius-md);
    padding: 18px 20px 14px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-xs);
}
.trend-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.trend-chart-header h3 {
    font-size: var(--fs-md);
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
}
.trend-chart-legend {
    display: flex;
    gap: 18px;
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}
.trend-chart-legend .legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.trend-chart-legend .dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.trend-chart-legend .dot-amount { background: var(--color-primary); }
.trend-chart-legend .dot-plays  { background: var(--color-warning); }

.trend-chart-wrap {
    width: 100%;
    overflow: hidden;
}
.trend-chart-wrap svg { display: block; }
.trend-bar-wrap { min-height: 120px; }

.trend-row-2col {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 20px;
}
.trend-row-2col .trend-chart-card { margin-bottom: 20px; }

/* 月度明细表的占比条 */
.pct-bar {
    position: relative;
    width: 140px;
    height: 18px;
    background: var(--gray-100);
    border-radius: 9px;
    overflow: hidden;
}
.pct-fill {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-accent));
    border-radius: 9px;
    transition: width var(--dur) var(--ease);
}
.pct-text {
    position: relative;
    z-index: 1;
    display: block;
    text-align: center;
    font-size: 11px;
    line-height: 18px;
    color: var(--text-secondary);
    font-weight: 600;
}
.data-table tfoot td {
    background: var(--gray-50);
    border-top: 2px solid var(--border-color);
    padding: 14px;
    color: var(--text-primary);
}

@media (max-width: 992px) {
    .trend-overview { grid-template-columns: repeat(2, 1fr); }
    .trend-row-2col { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .trend-overview { grid-template-columns: 1fr; }
    .trend-chart-card { padding: 14px 12px; }
    .pct-bar { width: 80px; }
}

/* =========================================================
 * 专辑发行系统 - 通用样式
 * ========================================================= */

/* 专辑概要条 */
.album-summary-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--gray-50);
    border: 1px solid var(--divider);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}
.album-summary-bar img { flex-shrink: 0; }
.track-counter {
    margin-left: auto;
    padding: 6px 14px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 20px;
    font-weight: 600;
    font-size: var(--fs-sm);
}
.track-counter.full {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

/* 专辑卡片网格 */
.album-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
@media (max-width: 992px) {
    .album-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .album-grid { grid-template-columns: 1fr; }
}

.album-card {
    background: var(--white);
    border: 1px solid var(--divider);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.album-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.album-card-cover {
    position: relative;
    padding-top: 100%;
    background: var(--gray-100);
}
.album-card-cover img {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.album-card-cover .status-tag {
    position: absolute;
    top: 10px;
    right: 10px;
}
.album-card-body {
    padding: 14px 16px;
}
.album-card-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--fs-md);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.album-card-artist {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: 2px;
}
.album-card-meta {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-top: 6px;
}
.album-card-time {
    font-size: var(--fs-xs);
    color: var(--gray-400);
    margin-top: 6px;
}
.album-card-actions {
    padding: 10px 16px;
    border-top: 1px solid var(--divider);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

/* 曲目卡片 */
.track-card {
    background: var(--white);
    border: 1px solid var(--divider);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}
.track-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--divider);
}
.track-num {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}
.track-title {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-artist {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
}
.track-duration {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    font-variant-numeric: tabular-nums;
}
.track-actions {
    display: flex;
    gap: 6px;
}
.track-card-body {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.track-card-body audio { flex: 1; min-width: 200px; }
.track-meta {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.meta-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 3px;
    font-size: 11px;
}
.track-limit-hint {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--color-warning-light);
    border: 1px solid #f6ad55;
    border-radius: var(--radius);
    color: var(--color-warning);
    font-size: var(--fs-sm);
}

/* 确认页 */
.confirm-section {
    margin-bottom: 28px;
}
.confirm-section h3 {
    font-size: var(--fs-md);
    color: var(--text-primary);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--divider);
}
.confirm-album {
    display: flex;
    gap: 20px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}
.confirm-cover {
    width: 120px;
    height: 120px;
    border-radius: var(--radius);
    object-fit: cover;
    flex-shrink: 0;
}
.confirm-album-info { flex: 1; }
.confirm-album-name {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.confirm-album-meta {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: 4px;
}
.confirm-album-desc {
    margin-top: 10px;
    font-size: var(--fs-sm);
    color: var(--text-regular);
    line-height: 1.7;
}
.confirm-scope-row {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}
.confirm-scope-row .label {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-right: 4px;
}
.channel-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.confirm-notice {
    padding: 16px 20px;
    background: var(--color-primary-light);
    border: 1px solid #bccde3;
    border-radius: var(--radius-md);
}
.confirm-notice h4 {
    color: var(--color-primary);
    margin-bottom: 10px;
    font-size: var(--fs-sm);
}
.confirm-notice ul {
    margin-left: 18px;
    font-size: var(--fs-sm);
    color: var(--text-regular);
    line-height: 1.9;
}

@media (max-width: 640px) {
    .confirm-album { flex-direction: column; }
    .confirm-cover { width: 100%; height: auto; max-height: 200px; }
    .track-card-head { flex-wrap: wrap; }
    .track-actions { width: 100%; justify-content: flex-end; }
}