@font-face{font-family:'DM Sans';font-style:normal;font-weight:400;font-display:swap;src:url('/static/fonts/dm-400.woff2') format('woff2')}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:500;font-display:swap;src:url('/static/fonts/dm-500.woff2') format('woff2')}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:700;font-display:swap;src:url('/static/fonts/dm-700.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('/static/fonts/sg-500.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('/static/fonts/sg-700.woff2') format('woff2')}
@font-face{font-family:'Baloo 2';font-style:normal;font-weight:600;font-display:swap;src:url('/static/fonts/baloo-600.woff2') format('woff2')}
@font-face{font-family:'Baloo 2';font-style:normal;font-weight:700;font-display:swap;src:url('/static/fonts/baloo-700.woff2') format('woff2')}

/* ============================================================
   AE 渲染云服务 - 全局样式（亮色主题 20260630.04）
   ============================================================ */

:root {
    /* ===== 克制专业（默认亮色）===== */
    --bg-body: #fafafa;
    --bg-card: #ffffff;
    --bg-card-hover: #f5f5f4;
    --bg-input: #ffffff;
    --bg-overlay: rgba(255, 255, 255, 0.9);
    --text-primary: #1c1c1e;
    --text-secondary: #565b63;
    --text-muted: #9aa0a6;
    --border: #ececeb;
    --border-hover: #d8d8d6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
    --brand-gold: #cf8a12;
    --brand-gold-dark: #b0740c;
    --brand-blue: #4a6cf7;
    --brand-blue-dark: #3b5de7;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --info: #3b82f6;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-heading: 'Space Grotesk', 'DM Sans', "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --card-border: 1px solid var(--border);
    --btn-radius: 10px;
    --transition-speed: 0.2s;
    --glow-color: transparent;
}

/* ============================================================
   卡通活泼 · CARTOON（冰淇淋质感，圆润厚实）
   ============================================================ */
[data-theme="cartoon"] {
    --bg-body: #fff6ee;
    --bg-card: #ffffff;
    --bg-card-hover: #fff0e2;
    --bg-input: #fffaf5;
    --bg-overlay: rgba(255, 246, 238, 0.92);
    --text-primary: #4a3f3a;
    --text-secondary: #8c7d74;
    --text-muted: #c3b3a8;
    --border: #ffe1c9;
    --border-hover: #ffc9a3;
    --shadow-sm: 0 2px 0 rgba(255, 170, 110, 0.28);
    --shadow-md: 0 6px 0 rgba(255, 150, 90, 0.22);
    --shadow-lg: 0 10px 0 rgba(255, 140, 80, 0.18);
    --brand-gold: #ff8a3d;
    --brand-gold-dark: #f5741f;
    --brand-blue: #ff6fa5;
    --brand-blue-dark: #f5539a;
    --danger: #ff5c7c;
    --success: #3ecf8e;
    --warning: #ffb02e;
    --info: #4aa8ff;
    --font-body: 'DM Sans', "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-heading: 'Baloo 2', "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius-sm: 14px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --card-border: 2px solid var(--border);
    --btn-radius: 999px;
    --transition-speed: 0.2s;
    --glow-color: #ffb98a;
}

/* ============================================================
   青绿清新 · MINT
   ============================================================ */
[data-theme="mint"] {
    --bg-body: #f2f9f5;
    --bg-card: #ffffff;
    --bg-card-hover: #eafaf1;
    --bg-input: #ffffff;
    --bg-overlay: rgba(242, 249, 245, 0.9);
    --text-primary: #1c2b24;
    --text-secondary: #4f6b5d;
    --text-muted: #94a89d;
    --border: #d8ece0;
    --border-hover: #b8dcc8;
    --shadow-sm: 0 1px 3px rgba(22, 80, 55, 0.06);
    --shadow-md: 0 4px 16px rgba(22, 80, 55, 0.08);
    --shadow-lg: 0 12px 32px rgba(22, 80, 55, 0.1);
    --brand-gold: #18a86b;
    --brand-gold-dark: #128a56;
    --brand-blue: #0ea5a5;
    --brand-blue-dark: #0b8686;
    --danger: #ef4444;
    --success: #16a34a;
    --warning: #d97706;
    --info: #0d9488;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-heading: 'Space Grotesk', 'DM Sans', "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --card-border: 1px solid var(--border);
    --btn-radius: 12px;
    --transition-speed: 0.2s;
    --glow-color: #7fe0b0;
}

/* ============================================================
   蓝色小清新 · BLUE（冰淇淋蓝，圆润可爱）
   ============================================================ */
[data-theme="blue"] {
    --bg-body: #f2f7ff;
    --bg-card: #ffffff;
    --bg-card-hover: #eaf3ff;
    --bg-input: #ffffff;
    --bg-overlay: rgba(242, 247, 255, 0.9);
    --text-primary: #1e2a3d;
    --text-secondary: #516079;
    --text-muted: #93a1b8;
    --border: #dbe8fb;
    --border-hover: #b9d3f5;
    --shadow-sm: 0 2px 6px rgba(70, 120, 200, 0.08);
    --shadow-md: 0 6px 20px rgba(70, 120, 200, 0.1);
    --shadow-lg: 0 14px 36px rgba(70, 120, 200, 0.12);
    --brand-gold: #4a90e2;
    --brand-gold-dark: #3a7bc8;
    --brand-blue: #6aa9ff;
    --brand-blue-dark: #4a90e2;
    --danger: #f2637f;
    --success: #34c7a0;
    --warning: #f5a623;
    --info: #4a90e2;
    --font-body: 'DM Sans', "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-heading: 'Baloo 2', "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --card-border: 1px solid var(--border);
    --btn-radius: 16px;
    --transition-speed: 0.2s;
    --glow-color: #a9cdff;
}

/* 主题切换按钮 */
.theme-toggle {
    position: fixed; top: 16px; right: 16px; z-index: 9991;
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--bg-card); border: 1px solid var(--border);
    cursor: pointer; font-size: 1.1rem; display: flex;
    align-items: center; justify-content: center;
    box-shadow: var(--shadow-sm); transition: all var(--transition-speed);
    color: var(--text-primary);
}
.theme-toggle:hover {
    transform: scale(1.08);
    box-shadow: var(--shadow-md);
}

/* ---------- 粒子背景 ---------- */
#particles-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after {
    margin: 0; padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    transition: background var(--transition-speed), color var(--transition-speed);
}

/* 纸墨主题 - 纸张纹理背景 */
[data-theme="paper"] body {
    background:
        linear-gradient(180deg, rgba(139,94,60,0.03) 0%, transparent 50%, rgba(92,64,51,0.02) 100%),
        var(--bg-body);
}

/* 霓虹主题 - 网格线背景 */
[data-theme="neon"] body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        linear-gradient(rgba(0,240,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,240,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

a { color: var(--brand-blue); text-decoration: none; transition: color var(--transition-speed); }
a:hover { color: var(--brand-blue-dark); }

/* 霓虹主题链接发光 */
[data-theme="neon"] a:hover {
    text-shadow: 0 0 8px var(--glow-color);
}

/* ---------- 导航栏 ---------- */
.navbar {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: var(--bg-overlay);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: border-color var(--transition-speed), background var(--transition-speed);
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-gold);
    font-family: var(--font-heading);
    transition: color var(--transition-speed);
}

/* 霓虹主题 - 导航栏底部发光边 */
[data-theme="neon"] .navbar {
    border-bottom: 2px solid var(--brand-gold);
    box-shadow: 0 1px 20px rgba(0, 240, 255, 0.15);
}
[data-theme="neon"] .navbar-brand {
    text-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* 纸墨主题 - 导航栏古典风格 */
[data-theme="paper"] .navbar {
    border-bottom: 2px solid var(--border);
    padding: 20px 32px;
}
[data-theme="paper"] .navbar-brand {
    font-size: 1.35rem;
    letter-spacing: 1px;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.navbar-links a, .navbar-links span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.navbar-links a:hover { color: var(--text-primary); }

.btn-logout {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    padding: 6px 16px;
    border-radius: 8px;
    border: 1px solid rgba(239, 68, 68, 0.25);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-logout:hover { background: rgba(239, 68, 68, 0.2); }

/* ---------- 页面容器 ---------- */
.page-container {
    position: relative;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 65px);
    padding: 40px 20px;
}

.page-container-wide {
    position: relative;
    z-index: 5;
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* ---------- 卡片 ---------- */
.glass-card {
    background: var(--bg-card);
    border: var(--card-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.glass-card-sm {
    background: var(--bg-card);
    border: var(--card-border);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

/* 霓虹 - 卡片发光 */
[data-theme="neon"] .glass-card,
[data-theme="neon"] .glass-card-sm {
    border-width: 2px;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.08), var(--shadow-md);
}
[data-theme="neon"] .glass-card:hover,
[data-theme="neon"] .glass-card-sm:hover {
    border-color: var(--brand-gold);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2), var(--shadow-lg);
}

/* 纸墨 - 卡片古典 */
[data-theme="paper"] .glass-card,
[data-theme="paper"] .glass-card-sm {
    border-width: 2px;
    border-style: double;
}
[data-theme="paper"] .glass-card:hover,
[data-theme="paper"] .glass-card-sm:hover {
    border-color: var(--brand-gold);
}

/* ---------- 表单 ---------- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border var(--transition-speed), box-shadow var(--transition-speed);
}

.form-input:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.12);
}

.form-input::placeholder { color: var(--text-muted); }

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

/* ---------- 按钮 ---------- */
.btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--brand-blue), #6d5df7);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-align: center;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(74, 108, 247, 0.35);
}

.btn-primary:active { transform: translateY(0); }

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    display: inline-block;
    padding: 10px 20px;
    background: var(--bg-body);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-secondary:hover {
    background: #e2e8f0;
    color: var(--text-primary);
}

.btn-danger {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.btn-danger:hover { background: rgba(239, 68, 68, 0.2); }

.btn-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 10px;
    padding: 10px 20px;
    font-size: 0.9rem;
    cursor: pointer;
}

.btn-success:hover { background: rgba(34, 197, 94, 0.2); }

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
    border-radius: 6px;
}

/* ---------- Flash 消息 ---------- */
.flash-messages {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.flash-msg {
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    animation: flashIn 0.3s ease;
    max-width: 380px;
    box-shadow: var(--shadow-md);
}

.flash-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.flash-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.flash-info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
}

@keyframes flashIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ---------- 卡片排版 ---------- */
.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

.auth-card .card-title { text-align: center; font-size: 1.6rem; }
.auth-card .card-subtitle { text-align: center; }

.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-footer a { color: var(--brand-blue); font-weight: 500; }

.admin-link {
    text-align: center;
    margin-top: 8px;
    font-size: 0.75rem;
}
.admin-link a { color: var(--text-muted); text-decoration: none; }
.admin-link a:hover { color: var(--text-secondary); }

/* ---------- 步骤式流程 ---------- */
.step-card { }

.step-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-blue), #6d5df7);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* 拖放区 */
.drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-hover);
    border-radius: 16px;
    padding: 48px 24px;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-align: center;
    background: var(--bg-body);
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--brand-blue);
    background: rgba(74, 108, 247, 0.04);
}

.drop-icon {
    margin-bottom: 16px;
    opacity: 0.5;
}

.drop-text {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.drop-text-sub {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.drop-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 已选文件指示 */
.selected-file {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: 10px;
    padding: 12px 16px;
    margin-top: 16px;
}

.file-icon { flex-shrink: 0; }

.file-name {
    font-size: 0.9rem;
    color: var(--success);
    font-weight: 600;
    word-break: break-all;
}

/* 步骤操作按钮 */
.step-actions {
    margin-top: 20px;
    display: flex;
    justify-content: flex-end;
}

.step-actions-dual {
    justify-content: space-between;
}

/* 摘要行 */
.summary-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-body);
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.summary-label { color: var(--text-secondary); }
.summary-value { color: var(--text-primary); word-break: break-all; }

/* 预设选项列表 */
.preset-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 4px;
}

.preset-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.preset-option:hover {
    border-color: var(--brand-blue);
    background: rgba(74, 108, 247, 0.04);
}

.preset-option input[type="radio"]:checked + .preset-radio {
    border-color: var(--brand-blue);
    background: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.2);
}

.preset-option input[type="radio"] { display: none; }

.preset-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border-hover);
    flex-shrink: 0;
    transition: all var(--transition-speed);
}

.preset-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.preset-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.preset-file {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead th {
    text-align: left;
    padding: 10px 12px;
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 2px solid var(--border);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr:hover { background: var(--bg-body); }

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-pending      { background: rgba(245, 158, 11, 0.1);  color: #b45309; }
.status-downloading  { background: rgba(56, 189, 248, 0.1);  color: #0e7490; }
.status-rendering    { background: rgba(168, 85, 247, 0.1);   color: #7e22ce; }
.status-uploading    { background: rgba(251, 146, 60, 0.1);   color: #c2410c; }
.status-completed    { background: rgba(34, 197, 94, 0.1);    color: #15803d; }
.status-failed       { background: rgba(239, 68, 68, 0.1);    color: #b91c1c; }
.status-pending_payment { background: rgba(251, 146, 60, 0.1); color: #c2410c; }

.progress-bar-bg {
    width: 100%;
    height: 5px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 4px;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-blue), #6d5df7);
    border-radius: 3px;
    transition: width 0.4s ease;
}

/* ---------- Admin Tabs ---------- */
.admin-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    background: var(--bg-body);
    border-radius: 12px;
    padding: 4px;
}

.tab-btn {
    padding: 10px 24px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 10px;
    transition: all var(--transition-speed);
}

.tab-btn.active {
    background: #fff;
    color: var(--brand-blue);
    box-shadow: var(--shadow-sm);
}

.tab-btn:hover:not(.active) { color: var(--text-primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---------- 小标签 ---------- */
.badge-admin {
    display: inline-block;
    background: rgba(168, 85, 247, 0.1);
    color: #7e22ce;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-user {
    display: inline-block;
    background: rgba(100, 116, 139, 0.1);
    color: #475569;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.inline-form { display: inline; }

.btn-link {
    background: none;
    border: none;
    color: var(--brand-blue);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0;
}

.btn-link:hover { color: var(--brand-blue-dark); text-decoration: underline; }

/* ---------- 工具类 ---------- */
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.text-center { text-align: center; }
.text-sm { font-size: 0.85rem; }
.text-muted { color: var(--text-muted) !important; }

.section-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* ---------- 汉堡菜单按钮 ---------- */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 36px; height: 36px;
    background: none; border: none;
    cursor: pointer; z-index: 200;
    padding: 0;
}
.navbar-toggle span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}
.navbar-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.navbar-toggle.open span:nth-child(2) {
    opacity: 0;
}
.navbar-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .navbar-toggle { display: flex; }
    .navbar {
        padding: 12px 16px;
        flex-wrap: wrap;
    }
    .navbar-links {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 12px 0 0;
        gap: 8px;
    }
    .navbar-links.open {
        display: flex;
    }
    .navbar-links a,
    .navbar-links span {
        display: block;
        padding: 8px 4px;
        border-radius: 6px;
    }
    .navbar-links a:hover {
        background: var(--bg-body);
    }
    .btn-logout {
        display: inline-block; width: fit-content;
    }

    .glass-card { padding: 24px; }
    .glass-card-sm { padding: 18px; }
    .page-container { padding: 20px 12px; }
    .page-container-wide { padding: 20px 12px; max-width: 100%; }

    .drop-zone { padding: 32px 16px; }
    .drop-text { font-size: 0.95rem; }

    .step-actions-dual { flex-direction: column-reverse; gap: 10px; }
    .step-actions-dual .btn-primary,
    .step-actions-dual .btn-secondary { width: 100%; text-align: center; }

    .preset-option { padding: 12px; }
    .preset-name { font-size: 0.9rem; }

    .table-wrap {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -8px;
        padding: 0 8px;
    }
    table { font-size: 0.78rem; white-space: nowrap; }
    thead th, tbody td { padding: 8px 8px; }

    .form-input { font-size: 16px; }
    .form-group { width: 100%; }

    .config-row { flex-direction: column; }
    .config-row .form-group { min-width: 100%; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 12px; }
    .stat-value { font-size: 1.2rem; }

    .admin-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding: 0 12px;
        gap: 0;
    }
    .admin-tabs .tab-btn {
        white-space: nowrap;
        padding: 10px 14px;
        font-size: 0.8rem;
        flex-shrink: 0;
    }

    .preset-upload-form { flex-direction: column; }

    .pay-wrapper { margin: 40px 16px; max-width: 100%; }
    .pay-card { padding: 24px; }
    .pay-methods > div:last-child {
        flex-direction: column;
    }
    
    input[type="text"],
    input[type="password"],
    input[type="number"],
    input[type="email"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

@media (max-width: 480px) {
    .navbar-brand { font-size: 1rem; }
    .step-number { width: 30px; height: 30px; font-size: 0.75rem; }
    .step-title { font-size: 1rem; }
    .flash-messages { right: 8px; left: 8px; }
    .flash-msg { max-width: 100%; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-card { gap: 8px; padding: 10px 12px; }
    .stat-icon { width: 32px; height: 32px; font-size: 1rem; }
    .stat-value { font-size: 1.1rem; }
    .stat-label { font-size: 0.7rem; }
    table { font-size: 0.72rem; }
    thead th, tbody td { padding: 6px 6px; }
    .auth-card { max-width: 100%; padding: 24px 16px; }
    .admin-navbar { padding: 10px 14px; }
    .admin-navbar .brand { font-size: 1rem; }
    .admin-tabs .tab-btn { padding: 8px 12px; font-size: 0.75rem; }
    .pay-amount .amount { font-size: 2rem; }
    .pay-card { padding: 20px 16px; }
    .pay-title { font-size: 1.15rem; }
    .step-header { gap: 8px; }
    .summary-row { flex-direction: column; align-items: flex-start; gap: 4px; }
}

/* ============================================================
   v2 新增组件样式
   ============================================================ */

.admin-navbar {
    background: var(--bg-overlay) !important;
    border-bottom: 1px solid var(--border);
}
.admin-navbar .navbar-left { flex: 1; }
.admin-navbar .navbar-links { display: flex; align-items: center; gap: 12px; }
.admin-navbar .navbar-links span { color: var(--text-secondary); font-size: 0.85rem; }
.admin-navbar .btn-logout {
    color: var(--danger); text-decoration: none; font-size: 0.85rem;
    padding: 4px 10px; border-radius: 6px; transition: background var(--transition-speed);
}
.admin-navbar .btn-logout:hover { background: rgba(239,68,68,0.12); }

.back-home-btn {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--text-secondary); text-decoration: none;
    font-size: 0.85rem; padding: 6px 12px;
    border-radius: 8px; transition: all var(--transition-speed);
}
.back-home-btn:hover { color: var(--text-primary); background: var(--bg-body); }

.admin-container {
    max-width: 1100px;
    margin: 0 auto;
}
.admin-main-card {
    padding: 0;
    overflow: hidden;
}

.tab-content { display: none; padding: 24px 20px; }
.tab-content.active { display: block; }
.section-header { display: flex; align-items: center; margin-bottom: 16px; }
.section-title { font-size: 1rem; font-weight: 600; color: var(--text-primary); }

.preset-upload-form {
    display: flex; gap: 12px; align-items: flex-end;
    flex-wrap: wrap; margin-bottom: 20px;
}

.config-section { margin-bottom: 8px; }
.config-card {
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: 12px; padding: 20px;
    margin-bottom: 16px;
}
.config-card-title {
    font-size: 0.9rem; font-weight: 600;
    color: var(--brand-blue); margin-bottom: 14px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.config-row {
    display: flex; gap: 16px; flex-wrap: wrap;
    margin-bottom: 12px;
}
.config-row .form-group { flex: 1; min-width: 180px; }
.config-hint {
    font-size: 0.78rem; color: var(--text-secondary);
    margin-top: 8px;
}
.config-actions {
    display: flex; align-items: center; gap: 12px;
    margin-top: 8px;
}
.save-status {
    font-size: 0.8rem; transition: color var(--transition-speed);
}
.save-status.success { color: var(--success); }
.save-status.error { color: var(--danger); }

.upload-progress-wrap {
    margin: 16px 0; padding: 16px;
    background: var(--bg-body);
    border-radius: 10px;
    border: 1px solid var(--border);
}
.upload-progress-info {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 8px; font-size: 0.85rem;
}
.upload-progress-info span:first-child {
    color: var(--text-primary); overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; max-width: 70%;
}
.upload-progress-info span:last-child {
    color: var(--brand-blue); font-weight: 600;
}
.upload-progress-bar {
    height: 6px; background: var(--border);
    border-radius: 3px; overflow: hidden;
}
.upload-progress-fill {
    height: 100%; background: linear-gradient(90deg, var(--brand-blue), #6d8bf8);
    border-radius: 3px; transition: width 0.3s ease;
}
.upload-progress-size {
    margin-top: 6px; font-size: 0.75rem; color: var(--text-secondary);
}

.size-check-status {
    margin: 12px 0; padding: 10px 14px;
    border-radius: 8px; font-size: 0.85rem;
}
.size-check-status.error {
    background: rgba(239,68,68,0.08);
    color: var(--danger); border: 1px solid rgba(239,68,68,0.25);
}

.step-actions { margin-top: 18px; }
.step-actions-dual { display: flex; gap: 12px; justify-content: flex-end; }

.task-progress {
    display: flex; align-items: center; gap: 6px;
}
.task-progress-text {
    font-size: 0.78rem; color: var(--text-secondary);
    min-width: 32px; text-align: right;
}
.progress-animated {
    background: linear-gradient(90deg, var(--brand-blue), #6d8bf8, var(--brand-blue));
    background-size: 200% 100%;
    animation: progressPulse 1.5s ease infinite;
}
@keyframes progressPulse {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.remember-row { margin: 8px 0 16px; }
.remember-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.85rem; color: var(--text-secondary);
    cursor: pointer; user-select: none;
}
.remember-label input[type="checkbox"] { display: none; }
.checkbox-custom {
    width: 18px; height: 18px; border-radius: 4px;
    border: 2px solid var(--border-hover);
    flex-shrink: 0; transition: all var(--transition-speed); position: relative;
}
.remember-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--brand-blue); border-color: var(--brand-blue);
}
.remember-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: ''; position: absolute;
    left: 5px; top: 2px; width: 6px; height: 9px;
    border: solid #fff; border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-select.placeholder { color: var(--text-muted); }

.drop-zone.dragover {
    border-color: var(--brand-blue) !important;
    background: rgba(74,108,247,0.06) !important;
}

.empty-state {
    padding: 40px 0; text-align: center;
    color: var(--text-secondary); font-size: 0.9rem;
}

.video-info-box {
    margin-top: 12px; padding: 14px 16px;
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: 10px;
}
.video-info-box .info-row {
    display: flex; justify-content: space-between;
    padding: 4px 0; font-size: 0.85rem;
    color: var(--text-secondary);
}
.video-info-box .info-row span:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.text-sm { font-size: 0.78rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }


/* ============================================================
   霓虹暗夜主题 - 专有覆盖
   ============================================================ */
[data-theme="neon"] input,
[data-theme="neon"] select,
[data-theme="neon"] textarea {
    border-width: 2px;
    font-family: var(--font-body);
}

[data-theme="neon"] input:focus,
[data-theme="neon"] select:focus,
[data-theme="neon"] textarea:focus {
    border-color: var(--glow-color);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15), 0 0 12px rgba(0, 240, 255, 0.1);
}

[data-theme="neon"] .btn-primary {
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-blue));
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    border: 1px solid rgba(0, 240, 255, 0.3);
}
[data-theme="neon"] .btn-primary:hover {
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.4), 0 6px 20px rgba(0, 240, 255, 0.2);
    transform: translateY(-2px);
}

[data-theme="neon"] .btn-secondary {
    border-width: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
[data-theme="neon"] .btn-secondary:hover {
    border-color: var(--glow-color);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

[data-theme="neon"] .btn-danger {
    border-width: 2px;
}
[data-theme="neon"] .btn-danger:hover {
    box-shadow: 0 0 20px rgba(255, 45, 85, 0.3);
}

[data-theme="neon"] h1, [data-theme="neon"] h2, [data-theme="neon"] h3 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
}

[data-theme="neon"] table {
    border-collapse: separate;
    border-spacing: 0;
}
[data-theme="neon"] th {
    font-family: var(--font-heading);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.75rem;
    border-bottom: 2px solid var(--glow-color);
}
[data-theme="neon"] td {
    border-bottom: 1px solid var(--border);
}

/* 霓虹滚动条 */
[data-theme="neon"] ::-webkit-scrollbar {
    width: 6px;
}
[data-theme="neon"] ::-webkit-scrollbar-track {
    background: #050508;
}
[data-theme="neon"] ::-webkit-scrollbar-thumb {
    background: var(--glow-color);
    border-radius: 3px;
}

/* ============================================================
   纸墨书香主题 - 专有覆盖
   ============================================================ */
[data-theme="paper"] input,
[data-theme="paper"] select,
[data-theme="paper"] textarea {
    border-width: 2px;
    border-style: solid;
    background: #fefcf7;
    font-family: var(--font-body);
}

[data-theme="paper"] input:focus,
[data-theme="paper"] select:focus,
[data-theme="paper"] textarea:focus {
    border-color: #8b5e3c;
    box-shadow: 0 0 0 3px rgba(139, 94, 60, 0.1);
}

[data-theme="paper"] .btn-primary {
    background: linear-gradient(135deg, #5c4033, #8b5e3c);
    font-weight: 500;
    letter-spacing: 1px;
    box-shadow: 0 2px 6px rgba(92, 64, 51, 0.2);
}
[data-theme="paper"] .btn-primary:hover {
    background: linear-gradient(135deg, #4a3228, #6b4423);
    box-shadow: 0 4px 16px rgba(92, 64, 51, 0.3);
}

[data-theme="paper"] .btn-secondary {
    background: linear-gradient(180deg, #fdfaf4, #f5f0e8);
    border-width: 2px;
    border-style: solid;
    box-shadow: 0 1px 3px rgba(92, 64, 51, 0.08);
}
[data-theme="paper"] .btn-secondary:hover {
    border-color: #8b5e3c;
    box-shadow: 0 2px 8px rgba(92, 64, 51, 0.12);
}

[data-theme="paper"] .btn-danger {
    border-width: 2px;
    border-style: solid;
}

[data-theme="paper"] h1, [data-theme="paper"] h2, [data-theme="paper"] h3 {
    font-family: var(--font-heading);
    letter-spacing: 2px;
    line-height: 1.5;
}

[data-theme="paper"] h1 { font-size: 2rem; }
[data-theme="paper"] h2 { font-size: 1.5rem; }

[data-theme="paper"] table {
    border-collapse: collapse;
}
[data-theme="paper"] th {
    font-family: var(--font-heading);
    letter-spacing: 1px;
    font-weight: 600;
    border-bottom: 3px double var(--border);
    padding: 14px 16px;
}
[data-theme="paper"] td {
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
}

/* 纸墨滚动条 */
[data-theme="paper"] ::-webkit-scrollbar {
    width: 8px;
}
[data-theme="paper"] ::-webkit-scrollbar-track {
    background: #f5f0e8;
}
[data-theme="paper"] ::-webkit-scrollbar-thumb {
    background: #c4a882;
    border-radius: 4px;
}

/* ===== THEME-VISUAL-LANGUAGES v1 ===== */
/* 每套主题独立视觉语言（组件级覆盖，跨页面通用）*/

/* 卡通活泼：粗边框 + 硬偏移阴影（贴纸/漫画感）*/
[data-theme="cartoon"] :is(.feature-card,.step,.faq-item,.comparison,.upload-demo,.card,.panel,.login-card,.pricing-card,.plan-card,.price-card,.stat-card,.testimonial-card,.summary-box){
  border:2.5px solid var(--text-primary) !important;
  box-shadow:5px 5px 0 var(--text-primary) !important;
}
[data-theme="cartoon"] :is(.btn,.btn-primary,.nav-cta,.btn-login,.register-cta,.btn-secondary){
  border:2.5px solid var(--text-primary) !important;
  box-shadow:3px 3px 0 var(--text-primary) !important;
  font-weight:700 !important;
  transition:transform .08s ease, box-shadow .08s ease !important;
}
[data-theme="cartoon"] :is(.btn,.btn-primary,.nav-cta,.btn-login,.register-cta):hover{
  transform:translate(2px,2px) !important;
  box-shadow:1px 1px 0 var(--text-primary) !important;
}
[data-theme="cartoon"] .form-input{border:2px solid var(--text-primary) !important;box-shadow:2px 2px 0 var(--border-hover) !important}
[data-theme="cartoon"] .cta-section{border:3px solid var(--text-primary) !important;box-shadow:8px 8px 0 var(--brand-gold-dark) !important}

/* 克制专业：全平、无阴影、细线 */
[data-theme="light"] :is(.feature-card,.step,.faq-item,.comparison,.upload-demo,.card,.panel,.login-card,.pricing-card,.stat-card){
  box-shadow:none !important;
  border:1px solid var(--border) !important;
}
[data-theme="light"] :is(.btn,.btn-primary,.nav-cta,.btn-login){box-shadow:none !important}

/* 青绿清新：无边框 + 柔和大范围浮起阴影 */
[data-theme="mint"] :is(.feature-card,.step,.faq-item,.comparison,.upload-demo,.card,.panel,.login-card,.pricing-card,.stat-card,.summary-box){
  border:none !important;
  box-shadow:0 12px 34px rgba(22,80,55,.12) !important;
}
[data-theme="mint"] :is(.btn,.btn-primary,.nav-cta,.btn-login,.register-cta){
  border:none !important;
  box-shadow:0 8px 20px rgba(24,168,107,.28) !important;
}

/* 蓝色小清新：磨砂玻璃卡片 + 渐变按钮 */
[data-theme="blue"] :is(.feature-card,.step,.faq-item,.comparison,.upload-demo,.card,.panel,.login-card,.pricing-card,.stat-card,.summary-box){
  background:rgba(255,255,255,.55) !important;
  backdrop-filter:blur(14px) saturate(1.3) !important;
  -webkit-backdrop-filter:blur(14px) saturate(1.3) !important;
  border:1px solid rgba(255,255,255,.75) !important;
  box-shadow:0 8px 32px rgba(70,120,200,.16) !important;
}
[data-theme="blue"] :is(.btn-primary,.nav-cta,.btn-login,.register-cta){
  background:linear-gradient(135deg,#6aa9ff,#4a90e2) !important;
  border:none !important;
  box-shadow:0 6px 18px rgba(74,144,226,.35) !important;
}
[data-theme="blue"] .navbar{background:rgba(242,247,255,.65) !important;backdrop-filter:blur(16px) saturate(1.3) !important}

/* ============================================================
   沉浸开场 · CINEMA（暗色光影，配合首页开场动画）
   ============================================================ */
[data-theme="cinema"] {
    --bg-body: #0d0d12;
    --bg-card: #16161e;
    --bg-card-hover: #1e1e28;
    --bg-input: #16161e;
    --bg-overlay: rgba(13, 13, 18, 0.85);
    --text-primary: #f0ede8;
    --text-secondary: #a8a29a;
    --text-muted: #6b6660;
    --border: #2a2a34;
    --border-hover: #3a3a46;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --brand-gold: #e0a942;
    --brand-gold-dark: #c8912e;
    --brand-blue: #8a7cff;
    --brand-blue-dark: #6f5fe0;
    --danger: #ff5c6c;
    --success: #3ecf8e;
    --warning: #ffb02e;
    --info: #5aa9ff;
    --font-body: 'DM Sans', "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-heading: 'Space Grotesk', "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --card-border: 1px solid var(--border);
    --btn-radius: 8px;
    --transition-speed: 0.2s;
    --glow-color: #e0a942;
}