/**
 * 软件库 - 液态玻璃风格 UI (Liquid Glass / Glassmorphism)
 * 深色渐变背景 + 毛玻璃效果 + 主题色动态支持
 */

/* ==================== 变量定义 ==================== */
:root {
    /* 背景渐变 - 深色宇宙感 */
    --bg-gradient-start: #0c1220;
    --bg-gradient-end: #0a1628;
    
    /* 毛玻璃变量 */
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-hover: rgba(255, 255, 255, 0.1);
    --glass-bg-strong: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-hover: rgba(255, 255, 255, 0.2);
    --glass-blur: 20px;
    --glass-blur-heavy: 30px;
    
    /* 主色调 - 淡蓝色（默认，可后台修改） */
    --primary: #60a5fa;
    --primary-light: #93c5fd;
    --primary-dark: #3b82f6;
    --primary-glow: rgba(96, 165, 250, 0.3);
    --primary-gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    
    /* 辅助色 */
    --accent: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.3);
    
    /* 文字颜色 - 深色背景优化 */
    --text-primary: #e8edf5;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* 边框和分隔线 */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.08);
    
    /* 状态颜色 */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px var(--primary-glow);
    
    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* 安全区域适配 */
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 50%, #0d1a30 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* 背景装饰光晕球 */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
    z-index: -1;
    animation: float 20s ease-in-out infinite;
}

body::before {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

body::after {
    width: 350px;
    height: 350px;
    background: var(--accent);
    bottom: -50px;
    left: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(20px, 30px) scale(1.05);
    }
    50% {
        transform: translate(-10px, 60px) scale(0.95);
    }
    75% {
        transform: translate(30px, 20px) scale(1.02);
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* 选中文字 */
::selection {
    background: var(--primary);
    color: white;
}

/* ==================== 动画定义 ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.6; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ==================== 页面淡入 ==================== */
body {
    animation: fadeIn 0.4s ease-out;
}

/* ==================== 顶部导航（已废弃，使用底部Tab） ==================== */
.glass-nav {
    display: none !important;
}

/* ==================== 毛玻璃卡片基础样式 ==================== */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

/* 不支持 backdrop-filter 的降级方案 */
@supports not (backdrop-filter: blur(20px)) {
    .glass {
        background: rgba(30, 40, 60, 0.95);
    }
}

/* ==================== 底部Tab导航（3个Tab：首页、投稿、我的） ==================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(60px + var(--safe-area-bottom));
    padding-bottom: var(--safe-area-bottom);
    background: rgba(12, 18, 32, 0.85);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    padding-left: 20px;
    padding-right: 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

@supports not (backdrop-filter: blur(20px)) {
    .bottom-nav {
        background: rgba(12, 18, 32, 0.98);
    }
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 24px;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    flex: 1;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.bottom-nav-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-glow);
    opacity: 0;
    transition: var(--transition);
    border-radius: inherit;
}

.bottom-nav-item:hover::before {
    opacity: 0.3;
}

.bottom-nav-item i {
    font-size: 1.2rem;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.bottom-nav-item span {
    font-size: 0.7rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.bottom-nav-item:hover {
    color: var(--text-secondary);
}

.bottom-nav-item.active {
    color: var(--primary);
}

.bottom-nav-item.active::before {
    opacity: 0.5;
}

.bottom-nav-item.active i {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

/* ==================== Tab内容区 ==================== */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.tab-content.active {
    display: block;
}

/* ==================== 主内容区域 ==================== */
.main-content {
    padding: 16px;
    padding-bottom: calc(130px + var(--safe-area-bottom));
    max-width: 800px;
    margin: 0 auto;
}

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    min-height: 44px;
    position: relative;
    overflow: hidden;
}

/* 毛玻璃次要按钮 */
.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: inherit;
    z-index: -1;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(10px)) {
    .btn::before {
        background: rgba(30, 40, 60, 0.9);
    }
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: scale(0.98);
}

/* 主按钮 - 渐变发光 */
.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary::before {
    display: none;
}

.btn-primary:hover {
    box-shadow: 0 6px 25px var(--primary-glow), 0 0 30px var(--primary-glow);
    transform: translateY(-2px);
}

/* 次要按钮 - 毛玻璃 */
.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
}

/* 危险按钮 */
.btn-danger {
    background: var(--error);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger::before {
    display: none;
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* 成功按钮 */
.btn-success {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success::before {
    display: none;
}

/* 尺寸变体 */
.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    min-height: 36px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-block {
    width: 100%;
}

/* 安装/下载按钮 - 液态玻璃风格 */
.btn-install {
    background: var(--primary-gradient);
    color: white;
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    min-height: auto;
    box-shadow: 0 4px 20px var(--primary-glow);
    border: none;
}

.btn-install::before {
    display: none;
}

.btn-install:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 30px var(--primary-glow), 0 0 40px var(--primary-glow);
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-label i {
    margin-right: 6px;
    color: var(--primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(10px)) {
    .form-input,
    .form-textarea,
    .form-select {
        background: rgba(30, 40, 60, 0.9);
    }
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow), 0 0 20px var(--primary-glow);
}

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

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 颜色选择器特殊样式 */
input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    width: 50px;
    height: 44px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 4px;
    background: var(--glass-bg);
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

/* ==================== 搜索栏 ==================== */
.search-bar {
    position: relative;
    margin-bottom: 16px;
}

.search-bar input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(10px)) {
    .search-bar input {
        background: rgba(30, 40, 60, 0.9);
    }
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow), 0 0 20px var(--primary-glow);
}

.search-bar i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition);
}

.search-bar input:focus + i,
.search-bar:has(input:focus) i {
    color: var(--primary);
}

/* ==================== 统计卡片 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 16px;
    text-align: center;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .stat-card {
        background: rgba(30, 40, 60, 0.95);
    }
}

.stat-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    background: var(--primary-glow);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--primary);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 0 20px var(--primary-glow);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ==================== 用户卡片 ==================== */
.user-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .user-card {
        background: rgba(30, 40, 60, 0.95);
    }
}

.user-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    font-weight: 700;
    box-shadow: 0 0 20px var(--primary-glow);
    flex-shrink: 0;
}

.user-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.user-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.user-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-gradient);
    border-radius: 20px;
    font-size: 0.7rem;
    color: white;
    margin-left: 8px;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* ==================== 列表项 ==================== */
.list-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    transition: var(--transition);
    cursor: pointer;
}

@supports not (backdrop-filter: blur(10px)) {
    .list-item {
        background: rgba(30, 40, 60, 0.9);
    }
}

.list-item:hover {
    background: var(--glass-bg-hover);
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateY(-2px);
}

.list-item-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.list-item-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.list-item-icon i {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.list-item-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.list-item-action {
    flex-shrink: 0;
}

/* 状态徽章 */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-pending {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-approved {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-rejected {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ==================== 认证页面 ==================== */
.auth-container {
    max-width: 420px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: 32px 28px;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.3);
    animation: fadeInScale 0.4s ease-out;
}

@supports not (backdrop-filter: blur(var(--glass-blur-heavy))) {
    .auth-card {
        background: rgba(20, 30, 50, 0.98);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-header i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 16px;
    filter: drop-shadow(0 0 15px var(--primary-glow));
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.auth-footer a:hover {
    text-shadow: 0 0 10px var(--primary-glow);
}

/* 密码强度 */
.password-strength {
    margin-top: 10px;
}

.strength-bar {
    height: 4px;
    background: var(--glass-bg);
    border-radius: 2px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    width: 0;
    transition: var(--transition);
    border-radius: 2px;
}

.strength-fill.weak { width: 33%; background: var(--error); }
.strength-fill.medium { width: 66%; background: var(--warning); }
.strength-fill.strong { width: 100%; background: var(--success); }

.strength-text {
    margin-top: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.strength-text.weak { color: var(--error); }
.strength-text.medium { color: var(--warning); }
.strength-text.strong { color: var(--success); }

/* ==================== 文件上传 ==================== */
.file-upload {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(10px)) {
    .file-upload {
        background: rgba(30, 40, 60, 0.9);
    }
}

.file-upload:hover {
    border-color: var(--primary);
    background: var(--glass-bg-hover);
    box-shadow: 0 0 20px var(--primary-glow);
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload i {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    transition: var(--transition);
}

.file-upload:hover i {
    color: var(--primary);
}

.file-upload p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.file-upload .file-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.preview-image {
    max-width: 80px;
    max-height: 80px;
    border-radius: var(--radius-md);
    margin-top: 10px;
    border: 1px solid var(--glass-border);
}

/* ==================== 提示框 ==================== */
.alert {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: var(--radius-lg);
    z-index: 2000;
    max-width: calc(100% - 40px);
    animation: fadeInUp 0.3s ease-out;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.alert i {
    font-size: 1.1rem;
}

.alert button {
    background: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 4px;
    opacity: 0.7;
    margin-left: 8px;
}

.alert button:hover {
    opacity: 1;
}

.alert-error {
    background: var(--error-bg);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error);
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-bg);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

/* Toast 提示 */
.toast-container {
    position: fixed;
    bottom: calc(80px + var(--safe-area-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    opacity: 0;
    transition: var(--transition);
}

.toast-container.show {
    opacity: 1;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .toast {
        background: rgba(30, 40, 60, 0.98);
    }
}

.toast-success i { color: var(--success); }
.toast-error i { color: var(--error); }
.toast-info i { color: var(--accent); }

/* ==================== 软件详情页 ==================== */
.detail-container {
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 100px;
}

.detail-header {
    text-align: center;
    padding: 24px 0;
}

.detail-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 16px;
    border-radius: 22px;
    overflow: hidden;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md), 0 0 30px var(--primary-glow);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .detail-icon {
        background: rgba(30, 40, 60, 0.95);
    }
}

.detail-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-icon i {
    font-size: 2.5rem;
    color: var(--text-muted);
}

.detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.detail-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.detail-author img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.detail-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 20px;
}

.detail-stat {
    text-align: center;
}

.detail-stat-number {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 15px var(--primary-glow);
}

.detail-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 底部固定下载栏 */
.detail-download-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    padding-bottom: calc(12px + var(--safe-area-bottom));
    background: rgba(12, 18, 32, 0.9);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border-top: 1px solid var(--glass-border);
    z-index: 100;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

@supports not (backdrop-filter: blur(var(--glass-blur-heavy))) {
    .detail-download-bar {
        background: rgba(12, 18, 32, 0.98);
    }
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 28px;
    background: var(--primary-gradient);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--primary-glow), 0 0 40px var(--primary-glow);
}

.download-btn:active {
    transform: scale(0.98);
}

.download-btn i {
    font-size: 1.2rem;
}

/* 详情内容区域 */
.detail-section {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 20px;
    margin-top: 16px;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .detail-section {
        background: rgba(30, 40, 60, 0.95);
    }
}

.detail-section:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
}

.detail-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-section-title i {
    color: var(--primary);
}

.detail-description {
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
}

/* ==================== 表格 ==================== */
.table-container {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .table-container {
        background: rgba(30, 40, 60, 0.95);
    }
}

.table-container:hover {
    border-color: var(--glass-border-hover);
}

.table-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
}

.data-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.02);
}

.data-table tr:not(:last-child) td {
    border-bottom: 1px solid var(--glass-border);
}

.data-table tr:hover td {
    background: var(--glass-bg-hover);
}

.table-actions {
    display: flex;
    gap: 6px;
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 24px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

@supports not (backdrop-filter: blur(10px)) {
    .pagination a,
    .pagination span {
        background: rgba(30, 40, 60, 0.9);
    }
}

.pagination a:hover {
    background: var(--glass-bg-hover);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.pagination .active {
    background: var(--primary-gradient);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    animation: fadeIn 0.4s ease-out;
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ==================== 页脚（认证页面） ==================== */
.footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer a:hover {
    text-shadow: 0 0 10px var(--primary-glow);
}

/* ==================== 管理后台 ==================== */
.admin-header {
    background: rgba(12, 18, 32, 0.85);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border-bottom: 1px solid var(--glass-border);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

@supports not (backdrop-filter: blur(var(--glass-blur-heavy))) {
    .admin-header {
        background: rgba(12, 18, 32, 0.98);
    }
}

.admin-header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
}

.admin-header-logo i {
    color: var(--primary);
    font-size: 1.3rem;
}

.admin-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 16px;
    -webkit-overflow-scrolling: touch;
}

.admin-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    white-space: nowrap;
    transition: var(--transition);
    font-size: 0.85rem;
}

@supports not (backdrop-filter: blur(10px)) {
    .admin-tab {
        background: rgba(30, 40, 60, 0.9);
    }
}

.admin-tab:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

.admin-tab.active {
    background: var(--primary-gradient);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.admin-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px;
    padding-bottom: calc(130px + var(--safe-area-bottom));
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .admin-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.admin-stat {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 18px;
    text-align: center;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .admin-stat {
        background: rgba(30, 40, 60, 0.95);
    }
}

.admin-stat:hover {
    background: var(--glass-bg-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.admin-stat i {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.admin-stat .number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 0 20px var(--primary-glow);
}

.admin-stat .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.settings-group {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 24px;
    margin-bottom: 20px;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .settings-group {
        background: rgba(30, 40, 60, 0.95);
    }
}

.settings-group:hover {
    border-color: var(--glass-border-hover);
}

.settings-group-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.settings-group-title i {
    color: var(--primary);
}

/* 预设颜色选择器 */
.color-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.color-preset {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--glass-border);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.color-preset:hover {
    transform: scale(1.15);
    border-color: var(--glass-border-hover);
    box-shadow: 0 0 15px currentColor;
}

.color-preset.active {
    border-color: white;
    box-shadow: 0 0 15px currentColor;
}

.color-preset.active::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    font-weight: bold;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* ==================== 响应式 ==================== */
@media (max-width: 480px) {
    .main-content {
        padding: 12px;
        padding-bottom: calc(70px + var(--safe-area-bottom));
    }
    
    .auth-card {
        padding: 28px 20px;
    }
    
    .btn {
        padding: 12px 20px;
    }
    
    .form-input,
    .form-textarea {
        padding: 14px 16px;
    }
}

/* ==================== 加载动画 ==================== */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 骨架屏 */
.skeleton {
    background: linear-gradient(90deg, var(--glass-bg) 25%, var(--glass-bg-hover) 50%, var(--glass-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* ==================== 浮动提示 ==================== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: rgba(30, 40, 60, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    pointer-events: none;
    margin-bottom: 6px;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ==================== 渐变文字 ==================== */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 分类侧边栏样式 ==================== */
.category-sidebar {
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 16px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 左侧栏搜索框 */
.sidebar-search {
    position: relative;
    flex-shrink: 0;
}

.sidebar-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
    z-index: 1;
    transition: var(--transition);
}

.sidebar-search-input {
    width: 100%;
    padding: 12px 14px 12px 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.85rem;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(10px)) {
    .sidebar-search-input {
        background: rgba(30, 40, 60, 0.9);
    }
}

.sidebar-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.sidebar-search-input:focus + i,
.sidebar-search:has(.sidebar-search-input:focus) i {
    color: var(--primary);
}

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

.category-list {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .category-list {
        background: rgba(30, 40, 60, 0.95);
    }
}

.category-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.85rem;
    white-space: nowrap;
    cursor: pointer;
    position: relative;
    border-left: 3px solid transparent;
}

.category-item i {
    font-size: 0.9rem;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.category-item span:not(.category-count) {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-item:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
    border-left-color: var(--primary-light);
}

.category-item.active {
    background: rgba(96, 165, 250, 0.15);
    color: var(--primary);
    font-weight: 500;
    border-left-color: var(--primary);
}

.category-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 10px var(--primary-glow);
}

.category-count {
    font-size: 0.65rem;
    background: var(--glass-bg-strong);
    padding: 3px 8px;
    border-radius: 10px;
    min-width: 22px;
    text-align: center;
    color: var(--text-muted);
}

.category-item.active .category-count {
    background: rgba(96, 165, 250, 0.25);
    color: var(--primary);
}

/* ==================== 分类层级（顶级/子分类） ==================== */
.category-group {
    width: 100%;
}

.category-arrow {
    font-size: 0.7rem;
    transition: transform 0.25s ease;
    margin-right: 2px;
    margin-left: -2px;
    opacity: 0.5;
    color: var(--text-muted);
}

.category-parent:hover .category-arrow {
    opacity: 1;
}

.category-parent.active .category-arrow {
    opacity: 1;
    color: var(--primary);
}

.category-children {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.category-children.open {
    max-height: 500px;
}

.category-child {
    padding-left: 24px !important;
    font-size: 0.8rem;
}

.category-child i {
    font-size: 0.75rem;
    opacity: 0.7;
}

.category-child:hover i {
    opacity: 1;
}

/* ==================== 分类标题 ==================== */
.category-title {
    margin-bottom: 14px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-count-inline {
    color: var(--primary);
    font-weight: 600;
}

/* ==================== 主布局 ==================== */
.main-layout {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

/* ==================== 右侧软件列表 ==================== */
.software-list-container {
    flex: 1;
    min-width: 0;
}

/* ==================== 软件列表项（液态玻璃卡片风格） ==================== */
.software-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.software-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    cursor: pointer;
}

@supports not (backdrop-filter: blur(10px)) {
    .software-item {
        background: rgba(30, 40, 60, 0.9);
    }
}

.software-item:hover {
    background: var(--glass-bg-hover);
    border-color: var(--primary);
    box-shadow: var(--shadow-md), 0 0 25px var(--primary-glow);
    transform: translateY(-3px);
}

.software-item-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.software-item:hover .software-item-icon {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.software-item-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.software-item-icon i {
    color: var(--text-muted);
    font-size: 1.4rem;
}

.software-item-info {
    flex: 1;
    min-width: 0;
    text-decoration: none;
    color: inherit;
}

.software-item-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.software-item-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 6px;
}

.software-item-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.software-item-category {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--primary);
}

.software-item-downloads {
    display: flex;
    align-items: center;
    gap: 4px;
}

.software-item-action {
    flex-shrink: 0;
}

/* 移动端适配 - 保持左右双栏布局 */
@media (max-width: 768px) {
    /* 仅首页禁止body滚动，其他页面正常 */
    body.page-index {
        overflow: hidden !important;
        height: 100vh !important;
        position: fixed;
        width: 100%;
    }
    
    body.page-index .main-content {
        height: 100vh !important;
        padding: 0 !important;
        padding-bottom: 0 !important;
        max-width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        overflow: hidden !important;
    }
    
    .tab-content.active {
        display: flex !important;
        flex-direction: column !important;
        flex: 1 !important;
        overflow: hidden !important;
        min-height: 0 !important;
    }
    
    .mobile-search-bar {
        flex-shrink: 0;
        padding: 8px 12px;
        margin-bottom: 0;
    }
    
    .main-layout {
        flex-direction: row !important;
        flex: 1 !important;
        overflow: hidden !important;
        min-height: 0 !important;
    }
    
    .software-list-container {
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        overscroll-behavior: contain;
        flex: 1 !important;
        min-width: 0 !important;
        padding: 0 8px 0 0 !important;
        min-height: 0 !important;
    }
    
    .category-sidebar {
        width: 90px !important;
        flex-shrink: 0 !important;
        max-height: none !important;
        margin-bottom: 0 !important;
        gap: 0 !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        overscroll-behavior: contain;
        min-height: 0 !important;
    }
    
    /* 隐藏左侧栏内的搜索框（移动端） */
    .sidebar-search {
        display: none;
    }
    
    /* 移动端分类列表样式 */
    .category-list {
        flex-direction: column;
        padding: 6px 4px;
        gap: 2px;
    }
    
    .category-item {
        padding: 8px 4px;
        justify-content: center;
        flex-direction: column;
        border-left: none;
        border-bottom: 3px solid transparent;
        text-align: center;
        gap: 4px;
    }
    
    .category-item span:not(.category-count) {
        display: block;
        font-size: 0.6rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 76px;
    }
    
    .category-item i {
        font-size: 1rem;
    }
    
    .category-item .category-count {
        position: absolute;
        top: 2px;
        left: 2px;
        font-size: 0.5rem;
        padding: 1px 4px;
        min-width: 14px;
    }
    
    .category-item:hover {
        border-bottom-color: var(--primary-light);
        border-left-color: transparent;
    }
    
    .category-item.active {
        background: rgba(96, 165, 250, 0.15);
        border-left-color: transparent;
        border-bottom-color: var(--primary);
    }
    
    .category-item.active::before {
        display: none;
    }
    
    .category-item.active .category-count {
        background: rgba(96, 165, 250, 0.25);
    }
    
    /* 移动端展开箭头样式 */
    .category-arrow {
        font-size: 1rem !important;
        position: absolute;
        top: 2px;
        right: 2px;
        margin: 0 !important;
    }
    .category-parent.active .category-arrow {
        color: var(--primary);
        opacity: 1;
    }
    
    /* 移动端子分类展开样式 */
    .category-children {
        max-height: none !important;
        overflow: visible !important;
        transition: none !important;
        display: none;
    }
    .category-children.open {
        display: block;
    }
    .category-child {
        padding: 6px 4px !important;
        justify-content: center;
        flex-direction: column;
        text-align: center;
        gap: 2px;
        border-left: none;
        font-size: 0.55rem;
    }
    .category-child span:not(.category-count) {
        font-size: 0.55rem;
        max-width: 76px;
    }
    .category-child i {
        font-size: 0.8rem;
    }
    
    /* 其他Tab（投稿、我的）也需要能滚动 */
    .tab-content.active:not(#tab-home) {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 16px;
        padding-bottom: calc(130px + var(--safe-area-bottom));
    }
    
    /* 移动端搜索栏样式 */
    .mobile-search-bar .search-bar {
        position: relative;
    }
    
    .mobile-search-bar .search-bar input {
        width: 100%;
        padding: 12px 16px 12px 44px;
        background: var(--glass-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        color: var(--text-primary);
        font-size: 0.9rem;
        transition: var(--transition);
    }
    
    .mobile-search-bar .search-bar i {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        font-size: 0.9rem;
    }
    
    .mobile-search-bar .search-bar input:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px var(--primary-glow);
    }
}

/* 桌面端隐藏移动端搜索栏 */
@media (min-width: 769px) {
    .mobile-search-bar {
        display: none;
    }
    
    /* 桌面端隐藏左侧栏搜索框（用新样式替代） */
    .sidebar-search {
        display: block;
    }
}

/* ==================== 通用玻璃卡片 ==================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 20px;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .glass-card {
        background: rgba(30, 40, 60, 0.95);
    }
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-md);
}

/* ==================== 详情分类标签 ==================== */
.detail-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

@supports not (backdrop-filter: blur(10px)) {
    .detail-category {
        background: rgba(30, 40, 60, 0.9);
    }
}

.detail-category i {
    color: var(--primary);
}

/* ==================== 截图上传区域样式 ==================== */
.screenshots-upload {
    width: 100%;
}

.screenshots-upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

@supports not (backdrop-filter: blur(10px)) {
    .screenshots-upload-area {
        background: rgba(30, 40, 60, 0.9);
    }
}

.screenshots-upload-area:hover {
    border-color: var(--primary);
    background: var(--glass-bg-hover);
    box-shadow: 0 0 20px var(--primary-glow);
}

.screenshots-upload-area i {
    font-size: 2.2rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    transition: var(--transition);
}

.screenshots-upload-area:hover i {
    color: var(--primary);
}

.screenshots-upload-area p {
    margin: 4px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.screenshots-upload-area .file-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 截图预览网格 */
.screenshots-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 14px;
}

.screenshot-thumb {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.screenshot-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.screenshot-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    opacity: 0;
    transition: var(--transition);
}

.screenshot-thumb:hover .screenshot-remove {
    opacity: 1;
}

.screenshot-remove:hover {
    background: var(--error);
}

/* 编辑页截图网格 */
.edit-screenshots-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.edit-screenshot-item {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.edit-screenshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.edit-screenshot-delete {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 6px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.7rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    opacity: 0;
    transition: var(--transition);
}

.edit-screenshot-item:hover .edit-screenshot-delete {
    opacity: 1;
}

.edit-screenshot-delete input {
    display: none;
}

.edit-screenshot-delete:hover {
    background: var(--error);
}

/* ==================== 截图轮播（液态玻璃风格） ==================== */
.screenshot-carousel {
    position: relative;
    margin: 16px 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.screenshot-carousel-track {
    display: flex;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.screenshot-carousel-slide {
    min-width: 100%;
    aspect-ratio: 16/10;
}

.screenshot-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.screenshot-carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

@supports not (backdrop-filter: blur(10px)) {
    .screenshot-carousel-nav {
        background: rgba(30, 40, 60, 0.9);
    }
}

.screenshot-carousel-nav:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 0 15px var(--primary-glow);
}

.screenshot-carousel-nav.prev {
    left: 12px;
}

.screenshot-carousel-nav.next {
    right: 12px;
}

.screenshot-carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.screenshot-carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.screenshot-carousel-dot.active {
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary-glow);
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    background: var(--error);
    border-color: var(--error);
}

/* ==================== 分类表格（管理后台） ==================== */
.category-table {
    width: 100%;
    border-collapse: collapse;
}

.category-table th,
.category-table td {
    padding: 12px 14px;
    text-align: left;
}

.category-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.02);
}

.category-table tr:not(:last-child) td {
    border-bottom: 1px solid var(--glass-border);
}

.category-table tr:hover td {
    background: var(--glass-bg-hover);
}

.category-icon {
    width: 36px;
    height: 36px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.category-actions {
    display: flex;
    gap: 6px;
}

/* ==================== 渐变背景球（更多装饰） ==================== */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
    animation: float 25s ease-in-out infinite;
}

.glow-orb-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 20%;
    right: -100px;
    animation-delay: -5s;
}

.glow-orb-2 {
    width: 250px;
    height: 250px;
    background: var(--accent);
    bottom: 30%;
    left: -80px;
    animation-delay: -12s;
}

.glow-orb-3 {
    width: 200px;
    height: 200px;
    background: #8b5cf6;
    top: 60%;
    right: 20%;
    animation-delay: -18s;
}

/* ==================== 软件详情页 - 扩展样式 ==================== */

/* 详情顶部区域 */
.detail-header {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 20px;
    margin-bottom: 16px;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(var(--glass-blur))) {
    .detail-header {
        background: rgba(30, 40, 60, 0.95);
    }
}

.detail-header:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-md);
}

.detail-header-main {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.detail-icon-large {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.detail-icon-large:hover {
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
}

.detail-icon-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-icon-large i {
    font-size: 2rem;
    color: var(--text-muted);
}

.detail-info {
    flex: 1;
    min-width: 0;
}

.detail-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    word-break: break-word;
}

.detail-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.detail-category-tag i {
    color: var(--primary);
}

@supports not (backdrop-filter: blur(10px)) {
    .detail-category-tag {
        background: rgba(30, 40, 60, 0.9);
    }
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 10px;
}

.detail-downloads,
.detail-date {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.detail-downloads i,
.detail-date i {
    color: var(--primary);
}

.detail-author-small {
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-author-small img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--glass-border);
}

.detail-author-small span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.btn-download-large {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 28px;
    margin-top: 16px;
    background: var(--primary-gradient);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-download-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--primary-glow), 0 0 40px var(--primary-glow);
}

.btn-download-large i {
    font-size: 1.2rem;
}

/* 截图区域 */
.screenshots-section {
    margin-bottom: 16px;
}

.screenshots-carousel {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.screenshots-track {
    display: flex;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.screenshot-slide {
    min-width: 100%;
}

.screenshot-slide img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    cursor: pointer;
    transition: var(--transition);
}

.screenshot-slide img:hover {
    opacity: 0.9;
}

.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.carousel-dot.active {
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary-glow);
}

/* 详情描述卡片 */
.detail-description-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-top: 12px;
}

@supports not (backdrop-filter: blur(10px)) {
    .detail-description-card {
        background: rgba(30, 40, 60, 0.9);
    }
}

.detail-description-text {
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

.detail-description-empty {
    color: var(--text-muted);
    font-style: italic;
}

/* 作者其他软件网格 */
.software-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 12px;
}

@media (max-width: 480px) {
    .software-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.software-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

@supports not (backdrop-filter: blur(10px)) {
    .software-card {
        background: rgba(30, 40, 60, 0.9);
    }
}

.software-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 15px var(--primary-glow);
}

.software-card .software-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.software-card .software-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.software-card .software-icon i {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.software-card .software-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

/* 详情操作按钮 */
.detail-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

/* 移动端适配 */
@media (max-width: 480px) {
    .detail-header-main {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .detail-meta {
        justify-content: center;
    }
    
    .detail-author-small {
        justify-content: center;
    }
}

/* Lightbox样式 */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

@supports not (backdrop-filter: blur(10px)) {
    .lightbox-close {
        background: rgba(30, 40, 60, 0.95);
    }
}

.lightbox-close:hover {
    background: var(--error);
    border-color: var(--error);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

@supports not (backdrop-filter: blur(10px)) {
    .lightbox-nav {
        background: rgba(30, 40, 60, 0.95);
    }
}

.lightbox-nav:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.lightbox-nav.prev {
    left: 20px;
}

.lightbox-nav.next {
    right: 20px;
}

/* ==================== 移动端全面优化 ==================== */

/* 小屏幕设备优化 */
@media (max-width: 768px) {
    /* 底部导航优化 */
    .bottom-nav {
        padding-left: 8px;
        padding-right: 8px;
    }
    
    .bottom-nav-item {
        padding: 8px 12px;
    }
    
    .bottom-nav-item span {
        font-size: 0.65rem;
    }
    
    /* 表单优化 */
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-input,
    .form-textarea,
    .form-select {
        padding: 12px 14px;
        font-size: 16px;
    }
    
    .form-textarea {
        min-height: 100px;
    }
    
    /* 按钮优化 - 触控友好 */
    .btn {
        min-height: 48px;
        padding: 14px 20px;
    }
    
    .btn-sm {
        min-height: 40px;
        padding: 10px 16px;
    }
    
    /* 文件上传区域 */
    .file-upload {
        padding: 24px 16px;
    }
    
    .screenshots-upload-area {
        padding: 24px 16px;
    }
    
    /* 统计卡片 */
    .stat-card {
        padding: 14px;
    }
    
    .stat-icon {
        width: 36px;
        height: 36px;
    }
    
    .stat-number {
        font-size: 1.3rem;
    }
    
    /* 软件列表项优化 */
    .software-item {
        padding: 12px;
        gap: 12px;
    }
    
    .software-item-icon {
        width: 48px;
        height: 48px;
    }
    
    .software-item-name {
        font-size: 0.9rem;
    }
    
    .software-item-desc {
        font-size: 0.75rem;
    }
    
    /* 安装按钮 */
    .btn-install {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    /* 详情页头部 */
    .detail-header {
        padding: 16px 0;
    }
    
    .detail-icon-large {
        width: 80px;
        height: 80px;
    }
    
    .detail-title {
        font-size: 1.3rem;
    }
    
    .detail-stats {
        gap: 24px;
    }
    
    /* 底部下载栏 */
    .bottom-download-bar {
        padding: 10px 12px;
        padding-bottom: calc(10px + var(--safe-area-bottom));
    }
    
    .bottom-bar-content {
        flex-direction: row;
        gap: 12px;
    }
    
    .bottom-bar-icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
    
    .bottom-bar-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    /* 提示框 */
    .alert {
        padding: 12px 16px;
        font-size: 0.85rem;
        max-width: calc(100% - 24px);
    }
    
    /* 表格优化 */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .data-table {
        min-width: 500px;
    }
    
    /* 分页优化 */
    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: 0.85rem;
    }
    
    /* 空状态 */
    .empty-state {
        padding: 40px 16px;
    }
    
    .empty-state i {
        font-size: 3rem;
    }
    
    /* 截图预览网格 */
    .screenshots-preview {
        gap: 8px;
    }
    
    .screenshot-thumb {
        width: 70px;
        height: 70px;
    }
    
    .edit-screenshot-item {
        width: 80px;
        height: 80px;
    }
    
    /* 用户卡片 */
    .user-card {
        padding: 16px;
        gap: 12px;
    }
    
    .user-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .user-info h3 {
        font-size: 1rem;
    }
    
    /* 认证页面 */
    .auth-container {
        padding: 20px 16px;
    }
    
    .auth-card {
        padding: 24px 20px;
        border-radius: var(--radius-xl);
    }
    
    .auth-title {
        font-size: 1.3rem;
    }
}

/* 超小屏幕设备优化 */
@media (max-width: 480px) {
    /* 主内容区域 */
    .main-content {
        padding: 12px;
        padding-bottom: calc(70px + var(--safe-area-bottom));
    }
    
    /* 统计卡片网格 - 2列 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    /* 用户Tab统计 - 2列 */
    .stats-grid[style*="grid-template-columns: repeat(4"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    /* 分类侧边栏 */
    .category-sidebar {
        margin-bottom: 10px;
    }
    
    .category-list {
        padding: 8px;
    }
    
    .category-item {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .category-item i {
        font-size: 0.85rem;
    }
    
    /* 软件列表 */
    .software-list {
        gap: 10px;
    }
    
    .software-item {
        padding: 10px;
        border-radius: var(--radius-md);
    }
    
    .software-item-icon {
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
    }
    
    .software-item-meta {
        flex-wrap: wrap;
        gap: 6px;
    }
    
    /* 安装按钮 - 行内显示 */
    .software-item-action {
        display: none;
    }
    
    .software-item-info {
        flex: 1;
    }
    
    /* 详情页 */
    .detail-icon-large {
        width: 72px;
        height: 72px;
        border-radius: 16px;
    }
    
    .detail-title {
        font-size: 1.2rem;
    }
    
    .detail-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    /* 截图轮播 */
    .screenshots-section {
        margin: 12px -12px;
        border-radius: 0;
    }
    
    /* 详情内容区 */
    .detail-section {
        padding: 16px;
        border-radius: var(--radius-lg);
    }
    
    .detail-section-title {
        font-size: 0.95rem;
    }
    
    /* 编辑页面 */
    .auth-container form {
        padding: 0;
    }
    
    /* 文件上传 */
    .file-upload {
        padding: 20px 12px;
    }
    
    .file-upload i {
        font-size: 1.6rem;
    }
    
    .file-upload p {
        font-size: 0.85rem;
    }
    
    /* 按钮全宽 */
    .btn-block-mobile {
        width: 100%;
    }
    
    /* 底部下载栏简化 */
    .bottom-bar-content {
        padding: 0;
    }
    
    .bottom-bar-icon {
        width: 40px;
        height: 40px;
    }
    
    .bottom-bar-title {
        font-size: 0.85rem;
    }
    
    .bottom-bar-downloads {
        font-size: 0.7rem;
    }
    
    /* Toast提示 */
    .toast-container {
        bottom: calc(70px + var(--safe-area-bottom));
        left: 12px;
        right: 12px;
        transform: none;
    }
    
    .toast {
        padding: 12px 16px;
        font-size: 0.85rem;
    }
    
    /* 管理后台 */
    .admin-header {
        padding: 12px;
    }
    
    .admin-tabs {
        padding: 12px 8px;
        gap: 6px;
    }
    
    .admin-tab {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .admin-content {
        padding: 12px;
    }
    
    .admin-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .admin-stat {
        padding: 14px;
    }
    
    .admin-stat .number {
        font-size: 1.4rem;
    }
    
    /* 设置分组 */
    .settings-group {
        padding: 16px;
        border-radius: var(--radius-lg);
    }
    
    /* Lightbox */
    .lightbox-close {
        top: 12px;
        right: 12px;
        width: 40px;
        height: 40px;
    }
    
    .lightbox-nav {
        width: 40px;
        height: 40px;
    }
    
    .lightbox-nav.prev {
        left: 12px;
    }
    
    .lightbox-nav.next {
        right: 12px;
    }
    
    /* 用户Tab */
    .user-card {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    /* 分类标题 */
    .category-title {
        font-size: 0.8rem;
    }
}

/* 触控设备优化 */
@media (hover: none) and (pointer: coarse) {
    .software-item:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }
    
    .stat-card:hover {
        transform: none;
    }
    
    .glass-card:hover {
        transform: none;
    }
    
    .bottom-nav-item {
        min-height: 60px;
    }
    
    select {
        background-position: right 12px center;
    }
    
    .file-upload input[type="file"] {
        cursor: pointer;
    }
    
    .screenshot-remove,
    .edit-screenshot-delete {
        opacity: 1;
    }
}

/* 横屏模式优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .main-content {
        padding-bottom: calc(50px + var(--safe-area-bottom));
    }
    
    .bottom-nav {
        height: 50px;
    }
    
    .bottom-nav-item span {
        display: none;
    }
    
    .detail-header {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 16px;
    }
}

/* iOS安全区域适配 */
@supports (padding: env(safe-area-inset-bottom)) {
    .detail-download-bar,
    .bottom-download-bar {
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }
    
    .bottom-nav {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* 防止iOS输入框聚焦时页面缩放 */
@media screen and (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="url"],
    input[type="number"],
    textarea,
    select {
        font-size: 16px !important;
    }
}

/* 移动端滚动优化 */
@media (max-width: 768px) {
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    html {
        -webkit-text-size-adjust: 100%;
    }
    
    body:not(.page-index) {
        -webkit-overflow-scrolling: touch;
        overflow-y: auto;
    }
    
    .main-content {
        scroll-behavior: auto;
    }
    
    .category-sidebar {
        -webkit-overflow-scrolling: touch;
    }
    
    .main-layout {
        position: relative;
        overflow: hidden;
    }
    
    .category-list {
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }
    
    .category-item {
        scroll-snap-align: start;
    }
}

/* ==================== 管理后台移动端适配 ==================== */
@media (max-width: 768px) {
    /* 管理后台表格横向滚动 */
    .admin-content {
        overflow-x: auto;
    }
    
    .admin-content .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-left: -16px;
        margin-right: -16px;
        padding-left: 16px;
        padding-right: 16px;
        padding-bottom: 8px;
    }
    
    /* 表格最小宽度确保横向滚动 */
    .admin-content .data-table {
        min-width: 600px;
    }
    
    /* 分类表格横向滚动 */
    .category-management .category-table {
        min-width: 500px;
    }
    
    .category-management .table-container,
    .category-management {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* 管理后台 input 文字可见性修复 - 深色背景下增强对比 */
    .admin-content .form-input,
    .category-management .form-input {
        background: rgba(30, 40, 60, 0.95);
        color: #ffffff;
        border-color: rgba(255, 255, 255, 0.2);
        -webkit-text-fill-color: #ffffff;
    }
    
    .admin-content .form-input:focus,
    .category-management .form-input:focus {
        background: rgba(40, 50, 70, 0.98);
        border-color: var(--primary);
        box-shadow: 0 0 0 2px var(--primary-glow);
    }
    
    .admin-content .form-input::placeholder,
    .category-management .form-input::placeholder {
        color: rgba(255, 255, 255, 0.5);
        -webkit-text-fill-color: rgba(255, 255, 255, 0.5);
    }
    
    /* 表格内的 input 样式 */
    .data-table .form-input,
    .category-table .form-input {
        background: rgba(30, 40, 60, 0.95);
        color: #ffffff;
        -webkit-text-fill-color: #ffffff;
        padding: 8px 10px;
    }
    
    /* 模态框手机适配 - 确保不超出屏幕 */
    .admin-content .modal-overlay .modal-content,
    #resetPasswordModal .modal-content {
        max-width: calc(100vw - 32px);
        max-height: calc(100vh - 100px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        margin: 20px auto;
    }
    
    .admin-content .modal-overlay .modal-header,
    .admin-content .modal-overlay .modal-body,
    .admin-content .modal-overlay .modal-footer,
    #resetPasswordModal .modal-header,
    #resetPasswordModal .modal-body,
    #resetPasswordModal .modal-footer {
        padding: 16px;
    }
    
    /* 操作按钮触控友好 */
    .table-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .table-actions .btn {
        min-width: 36px;
        min-height: 36px;
        padding: 8px 10px;
    }
    
    .category-actions .btn {
        min-width: 36px;
        min-height: 36px;
    }
    
    /* 分类表单手机适配 */
    .category-form {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        align-items: center;
    }
    
    .category-form .form-input {
        flex: 1;
        min-width: 100px;
    }
    
    .category-form input[name="name"] {
        flex: 2;
        min-width: 120px;
    }
    
    .category-form input[name="icon"] {
        max-width: 120px;
    }
    
    .category-form input[name="sort_order"] {
        max-width: 80px;
    }
    
    /* Tab 栏滑动提示 */
    .admin-tabs {
        scroll-snap-type: x mandatory;
        scroll-padding: 8px;
    }
    
    .admin-tab {
        scroll-snap-align: start;
    }
}

/* 超小屏幕额外适配 */
@media (max-width: 480px) {
    .admin-content .table-container {
        margin-left: -12px;
        margin-right: -12px;
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .admin-content .data-table {
        font-size: 0.85rem;
    }
    
    .admin-content .data-table th,
    .admin-content .data-table td {
        padding: 10px 8px;
    }
    
    /* 表格操作列按钮图标模式 */
    .table-actions .btn span:not(.fas) {
        display: none;
    }
    
    .table-actions .btn::after {
        content: attr(title);
        position: absolute;
    }
    
    .table-actions {
        position: relative;
    }
    
    /* 设置表单手机适配 */
    .admin-content .settings-group {
        padding: 16px;
    }
    
    .admin-content .form-group {
        margin-bottom: 16px;
    }
}

/* ==================== 移动端独立滚动（最高优先级） ==================== */
@media (max-width: 768px) {
    /* 仅首页限制body滚动，其他页面正常滚动 */
    body.page-index {
        height: 100% !important;
        overflow: hidden !important;
        position: fixed !important;
        width: 100% !important;
    }
    
    .bottom-nav {
        flex-shrink: 0 !important;
    }
    
    #tabContent {
        flex: 1 1 0% !important;
        min-height: 0 !important;
        overflow: hidden !important;
        display: flex !important;
        flex-direction: column !important;
    }
    
    /* 仅首页的main-content限制flex，其他页面正常 */
    body.page-index .main-content {
        flex: 1 !important;
        min-height: 0 !important;
        overflow: hidden !important;
        display: flex !important;
        flex-direction: column !important;
        padding: 0 !important;
        padding-bottom: 0 !important;
        max-width: 100% !important;
        height: 100% !important;
    }
    
    #tab-home.tab-content.active {
        display: flex !important;
        flex-direction: column !important;
        flex: 1 1 0% !important;
        min-height: 0 !important;
        overflow: hidden !important;
    }
    
    .mobile-search-bar {
        flex-shrink: 0 !important;
    }
    
    .main-layout {
        display: flex !important;
        flex-direction: row !important;
        flex: 1 1 0% !important;
        min-height: 0 !important;
        overflow: hidden !important;
        position: relative !important;
    }
    
    .category-sidebar {
        width: 90px !important;
        flex: 0 0 90px !important;
        min-height: 0 !important;
        max-height: 100% !important;
        height: 100% !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        -webkit-overflow-scrolling: touch !important;
        overscroll-behavior: contain !important;
        position: static !important;
        gap: 0 !important;
        padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)) !important;
    }
    
    .software-list-container {
        flex: 1 1 0% !important;
        min-width: 0 !important;
        min-height: 0 !important;
        max-height: 100% !important;
        height: 100% !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        -webkit-overflow-scrolling: touch !important;
        overscroll-behavior: contain !important;
        padding: 0 8px !important;
        padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)) !important;
    }
    
    .tab-content.active:not(#tab-home) {
        display: block !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        flex: 1 !important;
        padding: 16px !important;
        padding-bottom: calc(130px + env(safe-area-inset-bottom, 0px)) !important;
    }
    
    /* 非首页（详情页等）正常滚动 */
    body:not(.page-index) .main-content {
        overflow-y: auto !important;
        overflow-x: hidden !important;
        -webkit-overflow-scrolling: touch !important;
        padding-bottom: calc(130px + env(safe-area-inset-bottom, 0px)) !important;
    }
    
    /* 管理后台需要更宽，不限制800px */
    body.page-admin .main-content {
        max-width: 100% !important;
        overflow-x: auto !important;
    }
}

/* ==================== 软件管理卡片 ==================== */
.sw-manage-card {
    transition: var(--transition);
}
.sw-manage-card:hover {
    border-color: var(--primary);
    box-shadow: 0 0 12px rgba(96, 165, 250, 0.15);
}
/* ==================== 软件管理checkbox样式 ==================== */
.software-checkbox {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: var(--primary);
    margin: 0;
}

#selectAll {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: var(--primary);
    margin: 0;
}

.sw-manage-card {
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.sw-manage-card:hover {
    border-color: var(--glass-border-hover);
}
.sw-manage-card.selected {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 1px var(--primary), inset 0 0 0 1px rgba(96, 165, 250, 0.1);
}

/* Flash 消息 + Alert 提示框（手机端优化） */
.flash-message,
.alert.alert-error,
.alert.alert-success {
    position: fixed !important;
    top: 70px !important; /* 手机端往下移，避免被状态栏/导航栏挡住 */
    left: 50% !important;
    transform: translateX(-50%) !important;
    padding: 14px 20px !important;
    border-radius: 12px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    z-index: 9999999 !important; /* 超级高的层级，确保不会被挡住 */
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3) !important;
    animation: slideDown 0.3s ease-out !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    width: 85% !important;
    max-width: 400px !important;
    min-width: 260px !important;
    border: none !important;
    margin: 0 !important;
    line-height: 1.5 !important;
    text-align: center !important;
}

.flash-message.error,
.alert.alert-error {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

.flash-message.success,
.alert.alert-success {
    background: linear-gradient(135deg, #51cf66 0%, #40c057 100%) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

/* 电脑端调整位置 */
@media (min-width: 768px) {
    .flash-message,
    .alert.alert-error,
    .alert.alert-success {
        top: 30px !important;
        width: auto !important;
    }
}

.flash-message i {
    font-size: 18px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ========== 排序切换按钮 ========== */
.category-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}
.category-header-bar .category-title {
    margin-bottom: 0;
    flex-shrink: 0;
}
.sort-toggle {
    display: flex;
    gap: 2px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    padding: 3px;
    flex-shrink: 0;
}
.sort-btn {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.72rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 3px;
}
.sort-btn i {
    font-size: 0.65rem;
}
.sort-btn.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px var(--primary-glow);
}
.sort-btn:not(.active):hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-secondary);
}

/* ========== 排名/最新列表 ========== */
.ranking-list {
    margin-bottom: 16px;
}
.ranking-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.2s;
    margin-bottom: 2px;
}
.ranking-item:hover {
    background: rgba(255,255,255,0.06);
}
.ranking-num {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    flex-shrink: 0;
    background: rgba(255,255,255,0.06);
    color: var(--text-muted);
}
.ranking-top1 {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #fff;
    box-shadow: 0 2px 8px rgba(251,191,36,0.35);
}
.ranking-top2 {
    background: linear-gradient(135deg, #d1d5db, #9ca3af);
    color: #fff;
    box-shadow: 0 2px 8px rgba(156,163,175,0.3);
}
.ranking-top3 {
    background: linear-gradient(135deg, #d97706, #b45309);
    color: #fff;
    box-shadow: 0 2px 8px rgba(217,119,6,0.3);
}
.ranking-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    color: var(--text-muted);
    font-size: 0.85rem;
}
.ranking-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.ranking-info {
    flex: 1;
    min-width: 0;
}
.ranking-name {
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}
.ranking-dl {
    font-size: 0.72rem;
    color: var(--text-muted);
    flex-shrink: 0;
    white-space: nowrap;
}
.ranking-dl i {
    margin-right: 2px;
    font-size: 0.65rem;
}

/* 手机端排序按钮适配 */
@media (max-width: 768px) {
    .category-header-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .sort-toggle {
        align-self: stretch;
        justify-content: center;
    }
    .sort-btn {
        flex: 1;
        justify-content: center;
        padding: 5px 8px;
    }
    .ranking-name {
        font-size: 0.8rem;
    }
}
/* ==================== 桌面端优化 v2 (≥1024px) ==================== */
/* ==================== Desktop (>=1024px) ==================== */
@media (min-width: 1024px) {

    /* --- Reset: page scrolls normally --- */
    body.page-index {
        overflow: auto !important;
        height: auto !important;
        position: static !important;
    }

    body:not(.page-index) {
        overflow: auto !important;
        height: auto !important;
    }

    /* --- Top nav bar --- */
    .bottom-nav {
        position: fixed !important;
        top: 0 !important;
        bottom: auto !important;
        left: 0 !important;
        right: 0 !important;
        height: 60px !important;
        padding-bottom: 0 !important;
        background: rgba(12, 18, 32, 0.88) !important;
        backdrop-filter: blur(40px) saturate(180%) !important;
        -webkit-backdrop-filter: blur(40px) saturate(180%) !important;
        border-top: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05), 0 8px 32px rgba(0, 0, 0, 0.4) !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        z-index: 1000 !important;
        gap: 6px !important;
        padding-left: 24px !important;
        padding-right: 24px !important;
    }

    .bottom-nav-item {
        flex-direction: row !important;
        gap: 8px !important;
        padding: 10px 28px !important;
        font-size: 0.9rem !important;
        border-radius: 10px !important;
        transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
        position: relative !important;
        color: var(--text-secondary) !important;
    }

    .bottom-nav-item:hover {
        background: rgba(255, 255, 255, 0.08) !important;
        color: var(--text-primary) !important;
        transform: translateY(-1px);
    }

    .bottom-nav-item.active {
        background: rgba(96, 165, 250, 0.15) !important;
        color: var(--primary) !important;
    }

    .bottom-nav-item i {
        font-size: 1rem !important;
    }

    .bottom-nav-item span {
        font-size: 0.9rem !important;
    }

    .bottom-nav-item::before {
        display: none !important;
    }

    /* --- Main content: normal flow, no viewport lock --- */
    body.page-index .main-content {
        max-width: 100% !important;
        padding-top: 60px !important;
        padding-bottom: 0 !important;
        height: auto !important;
        overflow: visible !important;
        display: block !important;
    }

    body:not(.page-index) .main-content {
        max-width: 1200px !important;
        padding-top: 80px !important;
        padding-bottom: 60px !important;
        margin: 0 auto;
        overflow: visible !important;
        height: auto !important;
    }

    /* --- Index page: sidebar + content, normal flow --- */
    #tabContent {
        display: block !important;
        overflow: visible !important;
        height: auto !important;
    }

    body.page-index .tab-content.active {
        display: block !important;
        overflow: visible !important;
        height: auto !important;
    }

    .main-layout {
        display: flex !important;
        flex-direction: row !important;
        align-items: flex-start !important;
        max-width: 1400px;
        margin: 0 auto;
        gap: 0;
        min-height: calc(100vh - 60px);
    }

    /* --- Left sidebar: sticky --- */
    .category-sidebar {
        width: 230px !important;
        flex: 0 0 230px !important;
        border-right: 1px solid rgba(255, 255, 255, 0.06);
        background: rgba(12, 18, 32, 0.4);
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        padding: 16px 0 !important;
        overflow-y: auto !important;
        max-height: calc(100vh - 60px) !important;
        position: sticky !important;
        top: 60px !important;
    }

    .sidebar-search {
        display: block !important;
        padding: 8px 16px 16px;
    }

    .sidebar-search-input {
        width: 100%;
        padding: 10px 14px 10px 38px;
        border-radius: 10px;
        font-size: 0.85rem;
        background: rgba(255, 255, 255, 0.06) !important;
        border: 1px solid rgba(255, 255, 255, 0.1) !important;
        transition: all 0.2s;
    }

    .sidebar-search-input:focus {
        background: rgba(255, 255, 255, 0.1) !important;
        border-color: var(--primary) !important;
        box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.15) !important;
    }

    .category-list {
        flex-direction: column !important;
        padding: 4px 8px !important;
        gap: 2px !important;
    }

    .category-item {
        flex-direction: row !important;
        padding: 10px 14px !important;
        justify-content: flex-start !important;
        border-bottom: none !important;
        border-left: 3px solid transparent !important;
        border-radius: 8px !important;
        text-align: left !important;
        gap: 10px !important;
        font-size: 0.85rem;
        transition: all 0.2s;
    }

    .category-item:hover {
        background: rgba(255, 255, 255, 0.06);
        border-left-color: rgba(96, 165, 250, 0.3);
    }

    .category-item.active {
        border-left-color: var(--primary) !important;
        background: rgba(96, 165, 250, 0.1);
    }

    .category-item i {
        font-size: 0.9rem;
        width: 20px;
        text-align: center;
        color: var(--text-secondary);
    }

    .category-item.active i {
        color: var(--primary);
    }

    .category-item span:not(.category-count) {
        display: inline !important;
        flex: 1;
    }

    .category-count {
        font-size: 0.72rem;
        margin-left: auto;
        background: rgba(255, 255, 255, 0.06);
        padding: 2px 8px;
        border-radius: 10px;
        color: var(--text-muted);
    }

    .category-children {
        padding-left: 20px !important;
    }

    .category-children .category-item {
        padding: 7px 14px !important;
        font-size: 0.82rem;
    }

    .category-arrow {
        margin-left: auto !important;
        transition: transform 0.2s;
    }

    /* --- Right content: normal flow --- */
    .software-list-container {
        flex: 1 !important;
        min-width: 0 !important;
        padding: 20px 28px 40px !important;
        overflow: visible !important;
        height: auto !important;
    }

    /* Hide mobile search */
    .mobile-search-bar {
        display: none !important;
    }

    /* --- Software grid --- */
    .software-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px !important;
    }

    /* Only show as grid when not hidden by JS */
    .software-list:not([style*=display: none]):not([style*=display:none]) {
        display: grid !important;
    }

    .software-item {
        flex-direction: column !important;
        align-items: stretch !important;
        padding: 20px 16px 16px !important;
        gap: 12px !important;
        text-align: center;
        border-radius: 14px !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        cursor: pointer;
    }

    .software-item:hover {
        transform: translateY(-4px) !important;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(96, 165, 250, 0.15) !important;
        border-color: rgba(96, 165, 250, 0.2) !important;
    }

    .software-item-icon {
        width: 64px !important;
        height: 64px !important;
        margin: 0 auto;
        border-radius: 16px !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
    }

    .software-item-info {
        text-align: center;
    }

    .software-item-name {
        font-size: 0.9rem !important;
        white-space: normal !important;
        overflow: visible !important;
        text-overflow: unset !important;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        line-height: 1.4;
        font-weight: 600;
    }

    .software-item-meta {
        justify-content: center;
    }

    .software-item-action {
        display: flex !important;
        justify-content: center;
        margin-top: 2px;
    }

    .btn-install {
        width: 100%;
        text-align: center;
        border-radius: 10px !important;
        padding: 8px 16px !important;
        font-size: 0.82rem !important;
    }

    /* --- Ranking grid --- */
    .ranking-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px 20px;
    }

    .ranking-item {
        padding: 12px 14px;
        border-radius: 10px;
    }

    /* --- Ads carousel --- */
    .ads-track {
        height: 220px !important;
        border-radius: 16px !important;
    }

    .ads-carousel {
        margin-bottom: 24px;
    }

    /* --- Category header --- */
    .category-header-bar {
        margin-bottom: 20px;
    }

    .category-title {
        font-size: 1.1rem;
    }

    /* --- Detail page --- */
    .detail-container {
        max-width: 960px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .detail-header {
        flex-direction: row !important;
        gap: 24px;
        padding: 28px !important;
        border-radius: 20px !important;
    }

    .detail-header-main {
        align-items: center !important;
    }

    .detail-icon-large {
        width: 100px !important;
        height: 100px !important;
        border-radius: 22px !important;
    }

    .detail-title {
        font-size: 1.6rem !important;
    }

    .detail-info {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .btn-download-large {
        padding: 14px 32px !important;
        font-size: 1rem !important;
        border-radius: 12px !important;
    }

    /* --- Login/Register centered card --- */
    .auth-container {
        max-width: 440px;
        margin: 0 auto;
        padding-top: 80px !important;
    }

    .auth-card {
        padding: 36px 32px !important;
        border-radius: 20px !important;
    }

    .auth-header {
        margin-bottom: 28px !important;
    }

    .auth-title {
        font-size: 1.5rem !important;
    }

    /* --- Standalone page header --- */
    .admin-header {
        background: rgba(12, 18, 32, 0.88) !important;
        backdrop-filter: blur(40px) saturate(180%) !important;
        -webkit-backdrop-filter: blur(40px) saturate(180%) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
        padding: 0 32px !important;
        height: 60px !important;
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05), 0 8px 32px rgba(0, 0, 0, 0.4) !important;
    }

    .admin-header-logo {
        font-size: 1rem !important;
        gap: 12px !important;
    }

    .admin-header-logo i {
        font-size: 1.2rem !important;
    }

    /* --- Admin wide --- */
    body.page-admin .main-content {
        max-width: 100% !important;
    }
}

/* 截图待删除视觉标记 */
.edit-screenshot-item.marked-for-deletion {
    opacity: 0.4;
    border-color: var(--error, #e74c3c);
    position: relative;
}
.edit-screenshot-item.marked-for-deletion::after {
    content: ✕ 待删除;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--error, #e74c3c);
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(0,0,0,0.6);
    padding: 4px 8px;
    border-radius: 4px;
    pointer-events: none;
}


/* ==================== 入场动画（IntersectionObserver） ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.software-item.animate-in {
    animation: fadeInUp 0.4s ease-out forwards;
    opacity: 0;
}

.ranking-item.animate-in {
    animation: fadeInUp 0.35s ease-out forwards;
    opacity: 0;
}

/* ==================== 骨架屏加载效果 ==================== */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton-item {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    gap: 14px;
    border-bottom: 1px solid var(--border-light, rgba(255,255,255,0.06));
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md, 12px);
    flex-shrink: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.06) 25%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.06) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-text {
    height: 14px;
    border-radius: 6px;
    background: linear-gradient(90deg, rgba(255,255,255,0.06) 25%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.06) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-text-wide {
    width: 60%;
    height: 16px;
}

.skeleton-text-narrow {
    width: 35%;
    margin-top: 8px;
}

.skeleton-rank {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.06) 25%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.06) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}