/* ========================================
   ARK工具网站 - 现代化主题样式
   ======================================== */

/* CSS变量定义 */
:root {
    /* 主色调 */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    
    /* 暗色调 */
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --dark-border: #334155;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-gaming: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #f59e0b 100%);
    --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-green: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --gradient-sunset: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    
    /* 阴影 */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.20);
    --shadow-neon: 0 0 20px rgba(99, 102, 241, 0.4);
    --shadow-glow: 0 0 30px rgba(236, 72, 153, 0.3);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* 过渡 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   基础样式重置
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    line-height: 1.7;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: #1e293b;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* 确保页面始终可见 */
    opacity: 1 !important;
    visibility: visible !important;
}

/* 选择文本样式 */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* 主题色彩 */
.bg-gradient-primary {
    background: var(--gradient-gaming);
    position: relative;
    overflow: hidden;
}

.bg-gradient-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,150 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,255,255,0.05)"/></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-gradient {
    background: var(--gradient-gaming);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   按钮样式
   ======================================== */
.btn {
    font-weight: 600;
    letter-spacing: 0.3px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-blue);
    border: none;
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 rgba(99, 102, 241, 0.4);
    transition: all var(--transition-base);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-neon);
    color: white;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #ff4500 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.5);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-neon);
}

.navbar-dark .navbar-brand:hover {
    color: var(--accent-color) !important;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* 悬停效果（优化性能） */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* 只过渡关键属性 */
    will-change: transform; /* GPU加速 */
}

.hover-lift:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.2), 0 5px 15px rgba(0,0,0,0.1) !important;
}

.hover-primary {
    transition: all 0.3s ease;
}

.hover-primary:hover {
    color: var(--primary-color) !important;
    transform: translateX(5px);
}

.hover-glow {
    transition: all 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    border-color: var(--primary-color) !important;
}

/* 动画效果 */
.animate-fade-in {
    animation: fadeIn 1s ease-in-out;
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out;
}

.animate-slide-left {
    animation: slideLeft 0.8s ease-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

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

@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateY(40px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes slideLeft {
    from { 
        opacity: 0; 
        transform: translateX(-40px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes glow {
    0%, 100% { 
        box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    }
    50% { 
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.8), 0 0 50px rgba(0, 212, 255, 0.5);
    }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* Hero Section */
.hero-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(237, 100, 166, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.min-vh-50 {
    min-height: 50vh;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #00d4ff 50%, #ffd700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
    animation: float 3s ease-in-out infinite;
}

/* 卡片样式（优化性能） */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* 只对transform和box-shadow添加过渡 */
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.98); /* 增加不透明度 */
    /* backdrop-filter: blur(10px); */ /* 移除模糊效果提升性能 */
    overflow: hidden;
    position: relative;
    will-change: transform; /* GPU加速 */
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s;
}

.card:hover::before {
    left: 100%;
}

.card:hover {
    box-shadow: 0 15px 45px rgba(0, 212, 255, 0.2), 0 5px 15px rgba(0,0,0,0.1);
    border-color: rgba(0, 212, 255, 0.3);
}

/* 玻璃态卡片（优化性能） */
.card-glass {
    background: rgba(255, 255, 255, 0.15); /* 增加不透明度减少模糊需求 */
    /* backdrop-filter: blur(20px); */ /* 移除模糊效果提升性能 */
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 功能图标 */
.feature-icon {
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
}

.card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
}

.feature-icon i {
    filter: drop-shadow(0 4px 8px rgba(0, 212, 255, 0.3));
}

/* 导航栏（优化性能） */
.navbar {
    background: rgba(10, 14, 39, 0.95) !important;
    /* backdrop-filter: blur(20px); */ /* 移除模糊效果提升性能 */
    box-shadow: 0 5px 30px rgba(0, 212, 255, 0.1), 0 2px 10px rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    padding: 1rem 0;
    will-change: transform; /* GPU加速 */
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    text-transform: uppercase;
    position: relative;
    padding: 0.5rem 1rem;
}

.navbar-brand::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-gaming);
    transition: width 0.3s ease;
}

.navbar-brand:hover::after {
    width: 100%;
}

.navbar-nav .nav-link {
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 0 0.5rem;
    padding: 0.6rem 1.2rem !important;
    border-radius: 10px;
    position: relative;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 47, 247, 0.1));
    border-radius: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
    opacity: 1;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.navbar-nav .nav-link i {
    margin-right: 0.3rem;
    transition: transform 0.3s ease;
}

.navbar-nav .nav-link:hover i {
    transform: scale(1.2) rotate(5deg);
}

/* 按钮样式 */
.btn {
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 15px;
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
}

/* 徽章美化 */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge-featured {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

/* 徽章样式 */
.badge {
    font-weight: 500;
}

/* 评分星星 */
.text-warning .bi-star-fill {
    color: #ffc107 !important;
}

.text-warning .bi-star {
    color: #dee2e6 !important;
}

/* 统计数据 */
.stat-item {
    padding: 20px;
}

/* 页脚 */
footer {
    margin-top: auto;
}

footer .hover-primary:hover {
    color: var(--primary-color) !important;
}

/* 返回顶部按钮 */
#backToTop {
    width: 50px;
    height: 50px;
    transition: all 0.3s ease;
}

#backToTop:hover {
    transform: translateY(-2px);
}

/* 搜索框 */
.navbar .form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(244, 162, 97, 0.25);
}

/* 下拉菜单 */
.dropdown-menu {
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    border: none;
}

.dropdown-item {
    transition: background-color 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        min-height: 50vh;
        text-align: center;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .btn-lg {
        padding: 10px 25px;
        font-size: 1rem;
    }
    
    .navbar .input-group {
        width: 100% !important;
        margin-top: 10px;
    }
}

/* 工具和模组页面 */
.filter-sidebar {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
}

.item-grid .card {
    height: 100%;
}

.item-grid .card-img-top {
    height: 200px;
    object-fit: cover;
}

/* 分页样式 */
.pagination .page-link {
    border-radius: 8px;
    margin: 0 2px;
    border: none;
    color: var(--primary-color);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 服务器状态 */
.server-status.online {
    color: #28a745;
}

.server-status.offline {
    color: #dc3545;
}

.server-status.unknown {
    color: #6c757d;
}

/* 进度条 */
.progress {
    height: 8px;
    border-radius: 4px;
}

.progress-bar {
    border-radius: 4px;
}

/* 表格样式 */
.table {
    border-radius: 8px;
    overflow: hidden;
}

.table th {
    background-color: var(--light-bg);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

/* 管理后台样式 */
.admin-sidebar {
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--dark-color) 100%);
    min-height: 100vh;
}

.admin-sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    transition: all 0.3s ease;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    color: white;
    background-color: rgba(255,255,255,0.1);
}

/* 深色主题 */
[data-bs-theme="dark"] {
    --bs-body-bg: #1a1a1a;
    --bs-body-color: #e9ecef;
}

[data-bs-theme="dark"] .card {
    background-color: #2d3748;
    border-color: #4a5568;
}

[data-bs-theme="dark"] .bg-light {
    background-color: #2d3748 !important;
}

[data-bs-theme="dark"] .text-muted {
    color: #a0aec0 !important;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(to bottom, #e8eef5, #d0dce9);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 10px;
    border: 2px solid #e8eef5;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-dark), #005580);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* 工具列表特殊样式 */
.tool-card, .mod-card {
    position: relative;
    overflow: hidden;
}

.tool-card::after, .mod-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    bottom: -50%;
    left: -50%;
    background: linear-gradient(to bottom, rgba(229, 172, 142, 0), rgba(0, 212, 255, 0.1) 50%, rgba(229, 172, 142, 0));
    transform: rotateZ(60deg) translate(-5em, 7.5em);
    opacity: 0;
    transition: opacity 0.3s, transform 0.5s;
}

.tool-card:hover::after, .mod-card:hover::after {
    opacity: 1;
    transform: rotateZ(60deg) translate(5em, 7.5em);
}

/* 统计数据样式（优化性能） */
.stat-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.15)); /* 增加不透明度 */
    /* backdrop-filter: blur(10px); */ /* 移除模糊效果提升性能 */
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* 只过渡关键属性 */
    will-change: transform; /* GPU加速 */
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-gaming);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 搜索框美化 */
.form-control {
    border-radius: 12px;
    border: 2px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.95);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    background: #fff;
}

/* 分页美化 */
.pagination {
    gap: 0.5rem;
}

.pagination .page-link {
    border-radius: 12px;
    margin: 0;
    border: 2px solid transparent;
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark-color);
    font-weight: 600;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
    border-color: var(--primary-color);
}

.pagination .page-item.active .page-link {
    background: var(--gradient-gaming);
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.5);
}

/* 筛选侧边栏（优化性能） */
.filter-sidebar {
    background: rgba(255, 255, 255, 0.98); /* 增加不透明度 */
    /* backdrop-filter: blur(10px); */ /* 移除模糊效果提升性能 */
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.list-group-item {
    border: none;
    border-radius: 12px !important;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    background: transparent;
}

.list-group-item:hover,
.list-group-item.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 47, 247, 0.1));
    color: var(--primary-color);
    transform: translateX(5px);
}

.list-group-item.active {
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
}

/* 页脚美化 */
footer {
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    border-top: 2px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

/* 返回顶部按钮 */
#backToTop {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-gaming);
    border: none;
    box-shadow: 0 5px 25px rgba(0, 212, 255, 0.4);
    transition: all 0.3s ease;
}

#backToTop:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 35px rgba(0, 212, 255, 0.6);
}

#backToTop i {
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* 加载动画 */
.loading-spinner {
    border-top-color: var(--primary-color);
    animation: spin 0.8s ease-in-out infinite;
}

/* 警告提示美化 */
.alert {
    border-radius: 15px;
    border: none;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

/* 下拉菜单美化（优化性能） */
.dropdown-menu {
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.1);
    background: rgba(255, 255, 255, 0.98);
    /* backdrop-filter: blur(10px); */ /* 移除模糊效果提升性能 */
    overflow: hidden;
}

.dropdown-item {
    transition: all 0.3s ease;
    border-radius: 10px;
    margin: 0.25rem 0.5rem;
    padding: 0.75rem 1rem;
}

.dropdown-item:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 47, 247, 0.1));
    color: var(--primary-color);
    transform: translateX(5px);
}

/* ========================================
   新增现代化组件样式
   ======================================== */

/* 玻璃态效果（优化性能） */
.glass-card {
    background: rgba(255, 255, 255, 0.85); /* 增加不透明度 */
    /* backdrop-filter: blur(20px); */ /* 移除模糊效果提升性能 */
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-xl);
}

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

.text-gradient-sunset {
    background: var(--gradient-sunset);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 现代化卡片 */
.modern-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.modern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* 徽章样式 */
.badge-modern {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.3px;
}

.badge-gradient {
    background: var(--gradient-gaming);
    color: white;
    box-shadow: var(--shadow-sm);
}

/* 分割线 */
.divider-gradient {
    height: 2px;
    background: var(--gradient-gaming);
    border: none;
    border-radius: 2px;
}

/* 按钮成功样式 */
.btn-success {
    background: var(--gradient-green);
    border: none;
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, #0ea5e9, #06b6d4);
    border: none;
    color: #ffffff !important;
    box-shadow: var(--shadow-md);
    font-weight: bold;
}

.btn-info:hover,
.btn-info:focus,
.btn-info:active {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: #ffffff !important;
}

/* 确保所有按钮文字可见 */
.btn-primary,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    color: #ffffff !important;
}

.btn-success,
.btn-success:hover,
.btn-success:focus,
.btn-success:active {
    color: #ffffff !important;
}

/* 输入框美化 */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

/* 页面加载动画（优化版） */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: none; /* 不阻止交互 */
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    display: none; /* 完全隐藏 */
}

/* ========================================
   截图画廊样式（横向滚动）
   ======================================== */

/* 画廊容器 */
.screenshots-gallery {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 10px 0 20px 0;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

/* 隐藏滚动条但保持滚动功能 */
.screenshots-gallery::-webkit-scrollbar {
    height: 8px;
}

.screenshots-gallery::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}

.screenshots-gallery::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 10px;
}

.screenshots-gallery::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

/* 单个截图项 - 使用指定的CSS样式 */
.screenshot-item {
    flex: 0 0 350px;
    height: 230px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    scroll-snap-align: start;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.screenshot-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

/* 悬停遮罩层 */
.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        transparent 100%
    );
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.screenshot-item:hover .screenshot-overlay {
    opacity: 1;
}

/* 主图角标 */
.screenshot-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 20;
}

.screenshot-badge .badge {
    font-size: 0.75rem;
    padding: 6px 12px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Lightbox 弹窗 */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    animation: slideUp 0.4s ease;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Lightbox 控制按钮（优化性能） */
.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.25); /* 增加不透明度 */
    /* backdrop-filter: blur(10px); */ /* 移除模糊效果提升性能 */
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease, background 0.3s ease; /* 只过渡关键属性 */
    font-size: 1.5rem;
    will-change: transform; /* GPU加速 */
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

.lightbox-close {
    top: 20px;
    right: 20px;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-prev:hover {
    transform: translateY(-50%) translateX(-5px);
}

.lightbox-next:hover {
    transform: translateY(-50%) translateX(5px);
}

/* 图片计数器（优化性能） */
.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.25); /* 增加不透明度 */
    /* backdrop-filter: blur(10px); */ /* 移除模糊效果提升性能 */
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .navbar-nav .nav-link {
        margin: 0.25rem 0;
    }
    
    .modern-card {
        margin-bottom: 1rem;
    }
    
    /* 移动端截图画廊 */
    .screenshot-item {
        flex: 0 0 280px;
        height: 180px;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .lightbox-close {
        width: 40px;
        height: 40px;
        top: 10px;
        right: 10px;
    }
    
    .lightbox-counter {
        font-size: 0.8rem;
        padding: 8px 16px;
    }
}

/* ========================================
   搜索框样式优化（完全自定义，不依赖Bootstrap）
   ======================================== */

/* 搜索输入组容器 - 强制单行布局 */
.search-input-group {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    width: 100%;
    gap: 0;
    position: relative;
}

/* 搜索输入框 */
.search-input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 12px 16px;
    font-size: 1rem;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    border: 2px solid #e9ecef;
    border-radius: 10px 0 0 10px;
    transition: border-color 0.15s ease-in-out;
    box-sizing: border-box;
    outline: none;
}

/* 搜索输入框占位符 */
.search-input::placeholder {
    color: #6c757d;
    opacity: 1;
}

/* 搜索输入框焦点状态 - 保持边框宽度不变 */
.search-input:focus {
    border-color: #6366f1;
    border-width: 2px;
    box-shadow: none;
    outline: 0;
}

/* 搜索按钮 */
.search-btn {
    flex: 0 0 auto;
    flex-shrink: 0;
    padding: 12px 20px;
    font-size: 1rem;
    line-height: 1.5;
    color: #fff;
    background-color: #6366f1;
    border: 2px solid #6366f1;
    border-left: none;
    border-radius: 0 10px 10px 0;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    white-space: nowrap;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 搜索按钮焦点状态 */
.search-btn:focus {
    outline: 0;
    box-shadow: none;
}

/* 搜索按钮悬停状态 */
.search-btn:hover {
    background-color: #4f46e5;
    border-color: #4f46e5;
}

/* 搜索按钮激活状态 */
.search-btn:active {
    background-color: #4338ca;
    border-color: #4338ca;
    transform: scale(0.98);
}

/* 搜索表单容器 */
.search-form {
    width: 100%;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .search-input {
        font-size: 0.9rem;
        padding: 10px 12px;
    }
    
    .search-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}

/* ========================================
   模组详情页 - 顶部大图预览样式
   ======================================== */

/* 顶部图片画廊容器 */
.preview-gallery-top {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 5px 0 15px 0;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

/* 只有一张图片时居中显示 */
.preview-gallery-top.single-image {
    justify-content: center;
    overflow-x: hidden;
}

/* 单张图片可以更大 */
.preview-gallery-top.single-image .preview-item-large {
    flex: 0 0 600px;
    height: 360px;
    max-width: 100%;
}

/* 自定义滚动条 */
.preview-gallery-top::-webkit-scrollbar {
    height: 6px;
}

.preview-gallery-top::-webkit-scrollbar-track {
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
}

.preview-gallery-top::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #00d4ff, #7b2ff7);
    border-radius: 10px;
}

.preview-gallery-top::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #00b8d4, #6a1bb9);
}

/* 大图预览项 - 使用指定的CSS样式 */
.preview-item-large {
    flex: 0 0 480px;
    height: 300px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    scroll-snap-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    border: none;
    outline: none;
}

.preview-item-large:hover {
    transform: scale(1.05); /* 简化为只有缩放效果，类似商品卡片 */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

/* 预览遮罩层 */
.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.preview-item-large:hover .preview-overlay {
    opacity: 1;
}

.preview-overlay i {
    animation: zoom-pulse 2s ease-in-out infinite;
}

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

/* 主图角标 */
.preview-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 20;
}

.preview-badge .badge {
    font-size: 0.85rem;
    padding: 8px 14px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    font-weight: 600;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .preview-item-large {
        flex: 0 0 400px;
        height: 260px;
    }
    
    /* 单张图片在平板端 */
    .preview-gallery-top.single-image .preview-item-large {
        flex: 0 0 500px;
        height: 320px;
    }
}

@media (max-width: 768px) {
    .preview-item-large {
        flex: 0 0 320px;
        height: 220px;
        border-radius: 10px; /* 在小屏幕上进一步减少圆角 */
    }
    
    .preview-gallery-top {
        gap: 10px;
    }
    
    /* 单张图片在手机端 */
    .preview-gallery-top.single-image .preview-item-large {
        flex: 0 0 90%;
        height: 280px;
    }
}

@media (max-width: 576px) {
    .preview-item-large {
        flex: 0 0 280px;
        height: 190px;
        border-radius: 8px; /* 在最小屏幕上使用最小圆角 */
    }
    
    .preview-overlay i {
        font-size: 2rem !important;
    }
    
    /* 单张图片在小屏手机 */
    .preview-gallery-top.single-image .preview-item-large {
        flex: 0 0 95%;
        height: 240px;
    }
}

/* ========================================
   模组缩略图样式（方案A：方形角标 - 背景图片版）
   ======================================== */

/* 方形缩略图基础样式 */
.mod-thumbnail-circle {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 80px;
    height: 80px;
    border-radius: 8px;
    z-index: 5;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    /* 背景图片样式 */
    background-color: #ffffff;
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

/* 悬停效果 - 轻微放大 */
.mod-card:hover .mod-thumbnail-circle {
    transform: scale(1.1);
}

/* 响应式调整 */
@media (max-width: 1199px) {
    .mod-thumbnail-circle {
        width: 75px;
        height: 75px;
        top: 12px;
        right: 12px;
    }
}

@media (max-width: 991px) {
    .mod-thumbnail-circle {
        width: 70px;
        height: 70px;
        border-radius: 6px;
    }
}

@media (max-width: 767px) {
    .mod-thumbnail-circle {
        width: 65px;
        height: 65px;
        top: 10px;
        right: 10px;
        border-radius: 6px;
    }
    
    /* 悬停效果在移动端减弱 */
    .mod-card:hover .mod-thumbnail-circle {
        transform: scale(1.05);
    }
}

@media (max-width: 575px) {
    .mod-thumbnail-circle {
        width: 60px;
        height: 60px;
        border-radius: 5px;
    }
}