/* ==========================================================================
   免费游戏站 - 主样式文件
   ========================================================================== */

/* CSS变量定义 */
:root {
    /* 颜色系统 */
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* 字体系统 */
    --font-family-base: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif, 'PingFang SC', 'Microsoft YaHei';
    --font-size-base: 1rem;
    --line-height-base: 1.6;
    
    /* 间距系统 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* 阴影效果 */
    --shadow-xs: 0 0.05rem 0.1rem rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* 圆角 */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* 过渡效果 */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* ==========================================================================
   基础重置和全局样式
   ========================================================================== */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(180deg, #f8f9ff 0%, #ffffff 50%, #f8f9ff 100%);
    min-height: 100vh;
    padding-top: 76px; /* 为固定导航栏留出空间 */
    scroll-behavior: smooth;
}

/* 改善中文字体渲染 */
body, h1, h2, h3, h4, h5, h6 {
    font-feature-settings: "kern" 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 链接样式 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: #0056b3;
    text-decoration: none;
}

/* 图片响应式 */
img {
    max-width: 100%;
    height: auto;
}

/* ==========================================================================
   导航栏样式
   ========================================================================== */

.navbar {
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.navbar.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.brand-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.navbar-brand:hover .brand-icon {
    transform: scale(1.1) rotate(10deg);
}

.brand-text {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark-color) !important;
    position: relative;
    transition: all 0.3s ease;
    margin: 0 0.5rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
}

/* ==========================================================================
   Hero区域样式
   ========================================================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(13, 110, 253, 0.05) 0%, 
        rgba(25, 135, 84, 0.05) 50%, 
        rgba(220, 53, 69, 0.05) 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(13, 110, 253, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(25, 135, 84, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(220, 53, 69, 0.1) 0%, transparent 50%);
}

.hero-content {
    z-index: 2;
}

.hero-badge .badge {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.bg-primary-soft {
    background-color: rgba(13, 110, 253, 0.1) !important;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
}

.hero-actions .btn {
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.hero-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.hero-stats {
    margin-top: 3rem;
}

.stat-number {
    color: var(--primary-color);
    font-weight: 700;
}

.stat-label {
    color: var(--secondary-color);
    font-weight: 500;
}

/* Hero视觉区域 */
.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-game-preview {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.game-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.preview-card {
    background: white;
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.preview-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.preview-card-1 { animation: float 6s ease-in-out infinite; }
.preview-card-2 { animation: float 6s ease-in-out infinite 1.5s; }
.preview-card-3 { animation: float 6s ease-in-out infinite 3s; }
.preview-card-4 { animation: float 6s ease-in-out infinite 4.5s; }

.preview-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.preview-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-color);
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    font-size: 2rem;
    opacity: 0.3;
    animation: floatRandom 8s ease-in-out infinite;
}

.floating-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-2 {
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.floating-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes floatRandom {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(5deg); }
    50% { transform: translateY(-10px) rotate(-5deg); }
    75% { transform: translateY(-15px) rotate(3deg); }
}

/* 现代化游戏卡片 */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.game-card-modern {
    position: relative;
    transition: all 0.3s ease;
}

.game-card-inner {
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
    background: transparent;
}

.game-card-modern:hover .game-card-inner {
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(102, 126, 234, 0.2);
}

.game-card-header {
    position: relative;
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-radius: 20px 20px 0 0;
}

/* 游戏缩略图容器 */
.game-thumbnail-wrapper {
    position: relative;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    perspective: 1000px;
}

/* 游戏缩略图样式 */
.game-thumbnail {
    width: 160px;
    height: 120px;
    border-radius: 16px;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.3);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    will-change: transform;
}

.game-thumbnail:hover {
    transform: scale(1.15);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    z-index: 10;
    position: relative;
}

/* 缩略图加载失败时的备用图标 */
.game-thumbnail-wrapper .game-icon-wrapper {
    width: 160px;
    height: 120px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.game-thumbnail-wrapper .game-icon-wrapper:hover {
    transform: scale(1.15);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    z-index: 10;
    position: relative;
}

.game-icon-wrapper {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.basketball-theme {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.puzzle-theme {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.racing-theme {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.action-theme {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.game-icon {
    font-size: 2.5rem;
    position: relative;
    z-index: 2;
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s ease-in-out infinite;
}

.game-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.category-badge {
    background: rgba(255, 255, 255, 0.95);
    color: var(--dark-color);
    padding: 0.35rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 700;
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.game-card-body {
    padding: 2rem;
    flex-grow: 1;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 1) 100%);
}

.game-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.game-description {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.game-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.game-card-footer {
    padding: 0 2rem 2rem;
}

.game-play-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    text-decoration: none;
    border-radius: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.game-play-btn:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.4);
}

.btn-icon {
    font-size: 1.2rem;
}

.btn-text {
    flex-grow: 1;
    text-align: center;
}

.btn-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.game-play-btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* 现代化特色区域 */
.features-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-header {
    max-width: 600px;
    margin: 0 auto;
}

.section-badge .badge {
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(25, 135, 84, 0.2);
}

.bg-success-soft {
    background-color: rgba(25, 135, 84, 0.1) !important;
}

.bg-info-soft {
    background-color: rgba(13, 202, 240, 0.1) !important;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--dark-color);
}

.section-description {
    font-size: 1.1rem;
    color: var(--secondary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1), rgba(25, 135, 84, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.2), rgba(25, 135, 84, 0.2));
}

.feature-icon {
    font-size: 2rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--secondary-color);
    line-height: 1.6;
}

/* 现代化Footer */
.footer-modern {
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
}

.footer-brand {
    display: flex;
    align-items: center;
}

.footer-brand .brand-icon {
    font-size: 1.5rem;
}

.footer-brand .brand-text {
    background: linear-gradient(135deg, #fff, #e9ecef);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    font-size: 1rem;
    line-height: 1.6;
}

.footer-stats {
    display: flex;
    gap: 2rem;
}

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

.stat-item .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-item .stat-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
}

.footer-copyright {
    color: var(--secondary-color);
}

.footer-update {
    color: var(--secondary-color);
}

.footer-update .text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-actions .btn {
        margin-bottom: 1rem;
    }
    
    .game-preview-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .preview-card {
        padding: 1.5rem 1rem;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-stats {
        justify-content: center;
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .game-card-header,
    .game-card-body,
    .game-card-footer {
        padding: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
}

/* ==========================================================================
   游戏页面样式
   ========================================================================== */

.game-title-section {
    position: relative;
    overflow: hidden;
}

.game-title-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.game-icon-large {
    font-size: 5rem;
    opacity: 0.9;
    animation: pulse 2s ease-in-out infinite;
}

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

.game-tags .badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   游戏iframe样式
   ========================================================================== */

.game-container {
    background: linear-gradient(135deg, var(--light-color) 0%, #e9ecef 100%);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
    position: relative;
}

.game-iframe-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    background: #000;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.game-iframe {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
    background: #000;
}

.game-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    color: white;
    background: rgba(0, 0, 0, 0.8);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    backdrop-filter: blur(10px);
}

.game-loading .spinner-border {
    width: 3rem;
    height: 3rem;
}

.game-controls {
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.game-controls .btn {
    min-width: 120px;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.game-controls .btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-xs);
}

/* 游戏控制提示样式 */
.game-control-toast {
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ==========================================================================
   面包屑导航样式
   ========================================================================== */

.breadcrumb-section {
    background: linear-gradient(135deg, var(--light-color) 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
}

.breadcrumb {
    background: transparent;
    margin-bottom: 0;
}

.breadcrumb-item a {
    color: var(--secondary-color);
    transition: var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active {
    color: var(--dark-color);
    font-weight: 600;
}

/* ==========================================================================
   卡片组件样式
   ========================================================================== */

.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, var(--light-color) 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

/* 技能进度条样式 */
.skill-item {
    margin-bottom: 1rem;
}

.skill-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--dark-color);
    display: block;
    margin-bottom: 0.25rem;
}

.progress {
    height: 6px;
    background-color: #e9ecef;
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    transition: width 1s ease;
    border-radius: 3px;
}

/* ==========================================================================
   Footer样式
   ========================================================================== */

footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #212529 100%);
    color: #ffffff;
}

footer a {
    color: #ffffff;
    transition: var(--transition-fast);
}

footer a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

footer small {
    opacity: 0.7;
}

/* ==========================================================================
   工具类样式
   ========================================================================== */

/* 文本相关 */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 阴影效果 */
.shadow-soft {
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.08) !important;
}

/* 过渡效果 */
.transition-all {
    transition: var(--transition-base);
}

/* 悬停效果 */
.hover-lift:hover {
    transform: translateY(-5px);
    transition: var(--transition-base);
}

/* ==========================================================================
   加载动画
   ========================================================================== */

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%, 20% {
        color: rgba(0,0,0,0);
        text-shadow:
            .25em 0 0 rgba(0,0,0,0),
            .5em 0 0 rgba(0,0,0,0);
    }
    40% {
        color: var(--primary-color);
        text-shadow:
            .25em 0 0 rgba(0,0,0,0),
            .5em 0 0 rgba(0,0,0,0);
    }
    60% {
        text-shadow:
            .25em 0 0 var(--primary-color),
            .5em 0 0 rgba(0,0,0,0);
    }
    80%, 100% {
        text-shadow:
            .25em 0 0 var(--primary-color),
            .5em 0 0 var(--primary-color);
    }
}

/* ==========================================================================
   滚动条样式 (Webkit)
   ========================================================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* ==========================================================================
   打印样式
   ========================================================================== */

@media print {
    .navbar,
    .game-controls,
    .btn,
    footer {
        display: none !important;
    }
    
    body {
        padding-top: 0;
    }
    
    .container {
        max-width: none !important;
    }
}

/* ==========================================================================
   辅助功能
   ========================================================================== */

/* 跳转到主内容的链接 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 9999;
    border-radius: var(--border-radius-sm);
}

.skip-link:focus {
    top: 6px;
    color: white;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--dark-color);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* 减少动画效果的支持 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   深色模式支持 (预留)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    /* 暂时保留空白，后期可以添加深色模式支持 */
}

/* 游戏详情页样式 */

/* 现代化面包屑导航 */
.breadcrumb-modern {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1rem 0;
    margin-top: 76px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.breadcrumb-modern-list {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}

.breadcrumb-modern-item {
    display: flex;
    align-items: center;
}

.breadcrumb-modern-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #6c757d;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
}

.breadcrumb-modern-link:hover {
    color: #007bff;
    background: rgba(0, 123, 255, 0.1);
    transform: translateY(-1px);
}

.breadcrumb-icon {
    margin-right: 0.5rem;
    font-size: 1rem;
}

.breadcrumb-separator {
    margin: 0 0.75rem;
    color: #adb5bd;
    font-weight: 600;
}

.breadcrumb-current {
    color: #495057;
    font-weight: 600;
}

/* 游戏Hero区域 */
.game-hero-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.game-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: heroBackgroundFloat 20s ease-in-out infinite;
}

@keyframes heroBackgroundFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.game-hero-content {
    position: relative;
    z-index: 2;
}

.game-category-badge {
    margin-bottom: 1.5rem;
}

.category-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-pill.basketball-theme {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.category-pill.puzzle-theme {
    background: linear-gradient(135deg, #9c27b0 0%, #673ab7 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(156, 39, 176, 0.3);
}

.category-icon {
    margin-right: 0.5rem;
    font-size: 1rem;
}

.game-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.game-hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.game-features-quick {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.feature-quick-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-icon {
    font-size: 1.25rem;
}

.feature-text {
    font-weight: 600;
    font-size: 0.95rem;
}

.game-hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-play-now {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    text-decoration: none;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
    border: none;
}

.btn-play-now:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(40, 167, 69, 0.4);
    color: white;
}

.btn-play-icon {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

.btn-play-text {
    margin-right: 0.75rem;
}

.btn-play-arrow {
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.btn-play-now:hover .btn-play-arrow {
    transform: translateX(3px);
}

.btn-share-game {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-share-game:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-share-icon {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* 游戏Hero视觉区域 */
.game-hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.game-icon-showcase {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.game-icon-showcase.basketball-theme {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    border-radius: 50%;
    box-shadow: 0 20px 60px rgba(255, 107, 53, 0.4);
}

.game-icon-showcase.puzzle-theme {
    background: linear-gradient(135deg, #9c27b0 0%, #673ab7 100%);
    border-radius: 50%;
    box-shadow: 0 20px 60px rgba(156, 39, 176, 0.4);
}

.game-icon-main {
    font-size: 4rem;
    z-index: 3;
    position: relative;
    animation: iconBounce 3s ease-in-out infinite;
}

@keyframes iconBounce {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-10px) scale(1.05); }
}

.game-icon-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    border-radius: 50%;
    opacity: 0.3;
    animation: glowPulse 2s ease-in-out infinite alternate;
}

@keyframes glowPulse {
    0% { transform: scale(1); opacity: 0.3; }
    100% { transform: scale(1.1); opacity: 0.1; }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.floating-element {
    position: absolute;
    font-size: 2rem;
    opacity: 0.7;
}

.floating-1 {
    top: 20%;
    left: 10%;
    animation: float1 4s ease-in-out infinite;
}

.floating-2 {
    top: 70%;
    right: 10%;
    animation: float2 5s ease-in-out infinite;
}

.floating-3 {
    top: 40%;
    right: 20%;
    animation: float3 3s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(-5deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(3deg); }
}

/* 现代化游戏播放区 */
.game-play-modern {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.game-play-container {
    max-width: 1000px;
    margin: 0 auto;
}

.game-play-header {
    text-align: center;
    margin-bottom: 3rem;
}

.game-play-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.game-play-description {
    font-size: 1.1rem;
    color: #6c757d;
    max-width: 600px;
    margin: 0 auto;
}

.game-iframe-modern {
    position: relative;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    aspect-ratio: 16/9;
}

.game-loading-modern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    z-index: 10;
}

.loading-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 10px;
    left: 10px;
    animation-delay: -0.3s;
}

.spinner-ring:nth-child(3) {
    width: 40px;
    height: 40px;
    top: 20px;
    left: 20px;
    animation-delay: -0.6s;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.loading-text p {
    font-size: 1rem;
    opacity: 0.8;
}

.game-iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 1rem;
}

.game-controls-modern {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 5;
}

.game-control-btn {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.game-control-btn.primary {
    background: rgba(40, 167, 69, 0.9);
    color: white;
}

.game-control-btn.primary:hover {
    background: rgba(40, 167, 69, 1);
    transform: translateY(-2px);
}

.game-control-btn.secondary {
    background: rgba(108, 117, 125, 0.9);
    color: white;
}

.game-control-btn.secondary:hover {
    background: rgba(108, 117, 125, 1);
    transform: translateY(-2px);
}

.control-icon {
    margin-right: 0.5rem;
    font-size: 1rem;
}

/* 现代化游戏信息区 */
.game-info-modern {
    padding: 4rem 0;
    background: #f8f9fa;
}

.game-content-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section:last-child {
    margin-bottom: 0;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0.5rem;
    color: white;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
}

.game-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #495057;
}

/* 特色网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-item .feature-icon {
    font-size: 2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.feature-content {
    flex: 1;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.feature-description {
    font-size: 0.95rem;
    color: #6c757d;
    line-height: 1.6;
    margin: 0;
}

/* 操作指南网格 */
.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.control-step {
    position: relative;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 0.75rem;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.control-step:hover {
    border-color: #667eea;
    transform: translateY(-2px);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 1.5rem;
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.step-content {
    text-align: center;
}

.step-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.step-description {
    font-size: 0.9rem;
    color: #6c757d;
    line-height: 1.5;
    margin: 0;
}

/* 游戏提示卡片 */
.game-tips-card {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border-left: 4px solid #2196f3;
}

.tips-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.tips-icon {
    font-size: 1.5rem;
    margin-right: 0.75rem;
}

.tips-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1976d2;
    margin: 0;
}

.tips-content p {
    font-size: 1rem;
    color: #424242;
    line-height: 1.6;
    margin: 0;
}

/* 侧边栏样式 */
.game-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.sidebar-card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
}

.card-header-icon {
    font-size: 1.25rem;
    margin-right: 0.75rem;
}

.card-header-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.sidebar-card-body {
    padding: 1.5rem;
}

/* 游戏统计 */
.game-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f3f4;
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    font-weight: 500;
    color: #6c757d;
}

.stat-value {
    font-weight: 600;
    color: #2c3e50;
}

/* 快速操作 */
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 0.5rem;
    text-decoration: none;
    color: #495057;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.quick-action-btn:hover {
    background: #e9ecef;
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-1px);
}

.action-icon {
    margin-right: 0.75rem;
    font-size: 1rem;
}

/* 现代化标签 */
.game-tags-modern {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-modern {
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-modern.basketball {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
}

.tag-modern.free {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.tag-modern.instant {
    background: linear-gradient(135deg, #007bff 0%, #6610f2 100%);
    color: white;
}

.tag-modern.skill {
    background: linear-gradient(135deg, #dc3545 0%, #e83e8c 100%);
    color: white;
}

.tag-modern.physics {
    background: linear-gradient(135deg, #6f42c1 0%, #e83e8c 100%);
    color: white;
}

.tag-modern.puzzle {
    background: linear-gradient(135deg, #9c27b0 0%, #673ab7 100%);
    color: white;
}

.tag-modern.brain {
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
    color: white;
}

.tag-modern.logic {
    background: linear-gradient(135deg, #3f51b5 0%, #303f9f 100%);
    color: white;
}

/* 现代化相关游戏推荐 */
.related-games-modern {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.section-header-center {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.badge-icon {
    margin-right: 0.5rem;
    font-size: 1rem;
}

.section-title-large {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.related-games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.related-game-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.related-game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.related-game-inner {
    padding: 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.related-game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.related-game-icon {
    font-size: 2rem;
}

.related-game-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.2);
}

.puzzle-theme .related-game-category {
    background: rgba(156, 39, 176, 0.3);
}

.racing-theme .related-game-category {
    background: rgba(233, 30, 99, 0.3);
}

.action-theme .related-game-category {
    background: rgba(3, 169, 244, 0.3);
}

.related-game-body {
    flex: 1;
    margin-bottom: 1.5rem;
}

.related-game-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: white;
}

.related-game-description {
    font-size: 0.95rem;
    opacity: 0.8;
    line-height: 1.5;
}

.related-game-footer {
    margin-top: auto;
}

.related-game-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.related-game-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    transform: translateX(3px);
}

.btn-icon {
    margin-right: 0.5rem;
    font-size: 1rem;
}

.btn-text {
    margin-right: 0.5rem;
}

.btn-arrow {
    transition: transform 0.3s ease;
}

.related-game-btn:hover .btn-arrow {
    transform: translateX(3px);
}

/* 现代化Footer */
.footer-modern {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

.footer-brand {
    display: flex;
    align-items: center;
}

.footer-brand .brand-text {
    color: #ffffff !important;
}

.footer-description {
    max-width: 400px;
    color: #ffffff !important;
}

.footer-title {
    color: #ecf0f1;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3498db;
}

.footer-divider {
    border-color: #34495e;
}

.footer-copyright {
    color: #ffffff !important;
}

.footer-update {
    color: #ffffff !important;
}

/* 底部统计数字样式 */
.footer-stats .stat-number {
    color: #ffffff !important;
    font-weight: 700;
}

.footer-stats .stat-label {
    color: #ffffff !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .game-hero-title {
        font-size: 2.5rem;
    }
    
    .game-hero-subtitle {
        font-size: 1.1rem;
    }
    
    .game-features-quick {
        gap: 1rem;
    }
    
    .game-hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-play-now,
    .btn-share-game {
        justify-content: center;
    }
    
    .game-play-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .controls-grid {
        grid-template-columns: 1fr;
    }
    
    .related-games-grid {
        grid-template-columns: 1fr;
    }
    
    .game-content-card {
        padding: 1.5rem;
    }
    
    .game-sidebar {
        position: static;
        margin-top: 2rem;
    }
}

@media (max-width: 576px) {
    .breadcrumb-modern-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
    }
    
    .breadcrumb-separator {
        margin: 0 0.5rem;
    }
    
    .game-hero-section {
        min-height: 50vh;
    }
    
    .game-hero-title {
        font-size: 2rem;
    }
    
    .game-hero-visual {
        height: 300px;
        margin-top: 2rem;
    }
    
    .game-icon-showcase {
        width: 150px;
        height: 150px;
    }
    
    .game-icon-main {
        font-size: 3rem;
    }
    
    .section-title-large {
        font-size: 2rem;
    }
}

/* 解谜游戏Hero区域特定样式 */
.puzzle-hero {
    background: linear-gradient(135deg, #9c27b0 0%, #673ab7 100%);
}

.puzzle-hero .game-hero-background {
    background: 
        radial-gradient(circle at 20% 80%, rgba(156, 39, 176, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(103, 58, 183, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(233, 30, 99, 0.2) 0%, transparent 50%);
}

/* 简化版Hero区域样式 */
.hero-section-simple {
    background: linear-gradient(135deg, 
        #667eea 0%, 
        #764ba2 25%, 
        #f093fb 50%, 
        #f5576c 75%, 
        #4facfe 100%);
    border-bottom: 1px solid #e9ecef;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.hero-section-simple::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.8) 0%, 
        rgba(118, 75, 162, 0.8) 25%, 
        rgba(240, 147, 251, 0.8) 50%, 
        rgba(245, 87, 108, 0.8) 75%, 
        rgba(79, 172, 254, 0.8) 100%);
    z-index: 1;
}

.hero-content-simple {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title-simple {
    color: #ffffff;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description-simple {
    max-width: 600px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-quick-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.quick-stat {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border-radius: 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.quick-stat:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* 主要游戏展示区样式 */
.games-section-main {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 255, 0.9) 100%);
    position: relative;
}

.games-section-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(240, 147, 251, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(79, 172, 254, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.games-header {
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.games-title {
    color: #2c3e50;
    font-weight: 700;
}

.games-subtitle {
    font-size: 1.1rem;
}

.games-grid-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.game-card-main {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 1rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
    border: 2px solid transparent;
    position: relative;
}

.game-card-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.05), 
        rgba(240, 147, 251, 0.05), 
        rgba(79, 172, 254, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.game-card-main:hover::before {
    opacity: 1;
}

.game-card-main:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

/* 当整个卡片hover时，缩略图也放大 */
.game-card-main:hover .game-thumbnail {
    transform: scale(1.15) rotateY(5deg);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.25),
        0 0 0 4px rgba(0, 123, 255, 0.1);
    filter: brightness(1.1) contrast(1.05);
}

.game-card-main:hover .game-icon-wrapper {
    transform: scale(1.15) rotateY(5deg);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.25),
        0 0 0 4px rgba(0, 123, 255, 0.1);
    filter: brightness(1.1);
}

/* 可点击卡片样式 */
.clickable-card {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.clickable-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.02), rgba(25, 135, 84, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: var(--border-radius-lg);
    z-index: 1;
}

.clickable-card:hover::before {
    opacity: 1;
}

.clickable-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(13, 110, 253, 0.1);
}

.clickable-card:active {
    transform: translateY(-4px);
    transition: transform 0.1s ease;
}

/* 确保卡片内容在伪元素之上 */
.clickable-card .game-card-inner {
    position: relative;
    z-index: 2;
}

.game-play-btn-main {
    display: inline-flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f5576c 100%);
    color: white;
    text-decoration: none;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.game-play-btn-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.game-play-btn-main:hover::before {
    left: 100%;
}

.game-play-btn-main:hover {
    background: linear-gradient(135deg, #764ba2 0%, #f5576c 50%, #667eea 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    color: white;
}

.game-play-btn-main .btn-icon {
    margin-right: 0.75rem;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.game-play-btn-main .btn-text {
    margin-right: 0.75rem;
    position: relative;
    z-index: 1;
}

.game-play-btn-main .btn-arrow {
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.game-play-btn-main:hover .btn-arrow {
    transform: translateX(3px);
}

/* 游戏总览信息样式 */
.games-summary {
    margin-top: 3rem;
}

.summary-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 1rem;
    padding: 2rem;
    margin: 0 auto;
}

.summary-title {
    color: #2c3e50;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.summary-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.summary-feature {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.summary-feature .feature-icon {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

.summary-feature .feature-text {
    font-weight: 500;
    color: #495057;
}

/* 简化的特色介绍区样式 */
.features-section-simple {
    background: #f8f9fa;
}

.features-title {
    color: #2c3e50;
    font-weight: 700;
}

.features-description {
    font-size: 1rem;
    line-height: 1.6;
}

.features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.feature-item {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: 0.5rem;
    font-weight: 500;
    color: #28a745;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.features-visual {
    padding: 2rem;
}

.visual-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.visual-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #6c757d;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .hero-quick-stats {
        gap: 1rem;
    }
    
    .quick-stat {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .games-grid-main {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .summary-features {
        grid-template-columns: 1fr;
    }
    
    .features-list {
        justify-content: center;
    }
    
    .summary-card {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-content-simple {
        padding: 3rem 0;
    }
    
    .hero-title-simple {
        font-size: 2rem;
    }
    
    .hero-quick-stats {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .games-header {
        margin-bottom: 1.5rem;
    }
    
    .visual-icon {
        font-size: 3rem;
    }
}

/* ==========================================================================
   分类页面样式
   ========================================================================== */

.categories-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.category-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.category-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.category-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.category-icon .icon {
    font-size: 2.5rem;
}

.category-icon.sports-theme {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.category-icon.puzzle-theme {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.category-icon.racing-theme {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.category-icon.action-theme {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.category-info {
    flex-grow: 1;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.category-description {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.category-stats {
    display: flex;
    gap: 1rem;
}

.game-count {
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 600;
}

.category-games {
    margin-bottom: 2rem;
}

.game-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(248, 249, 250, 0.5);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.game-preview:hover {
    background: rgba(248, 249, 250, 0.8);
    transform: translateX(5px);
}

.game-thumb {
    width: 60px;
    height: 45px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.game-info {
    flex-grow: 1;
}

.game-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.game-desc {
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin: 0;
    line-height: 1.4;
}

.category-footer .btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.category-footer .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
}

@media (max-width: 768px) {
    .category-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .category-icon {
        align-self: center;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .game-preview {
        flex-direction: column;
        text-align: center;
    }
    
    .game-thumb {
        align-self: center;
    }
}

/* ==========================================================================
   分类详情页面样式
   ========================================================================== */

.category-hero-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #e9ecef;
    margin-top: 0;
}

.category-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.category-hero-icon {
    width: 100px;
    height: 100px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.category-hero-icon .icon {
    font-size: 3rem;
}

.category-hero-title {
    color: var(--dark-color);
    font-weight: 800;
}

.category-hero-description {
    color: var(--secondary-color);
    max-width: 600px;
    margin: 0 auto;
}

.category-stats {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.stat-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    border-radius: 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(13, 110, 253, 0.2);
    transition: all 0.3s ease;
}

.stat-badge:hover {
    background: rgba(13, 110, 253, 0.15);
    transform: translateY(-2px);
}

.category-games-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 255, 0.9) 100%);
}

.coming-soon-section {
    margin-top: 3rem;
}

.coming-soon-card {
    background: white;
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 600px;
    margin: 0 auto;
}

.coming-soon-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.coming-soon-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.coming-soon-description {
    color: var(--secondary-color);
    line-height: 1.6;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .category-hero-icon {
        width: 80px;
        height: 80px;
    }
    
    .category-hero-icon .icon {
        font-size: 2.5rem;
    }
    
    .category-hero-title {
        font-size: 2.5rem;
    }
    
    .category-stats {
        gap: 1rem;
    }
    
    .stat-badge {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .coming-soon-card {
        padding: 2rem 1.5rem;
    }
    
    .coming-soon-icon {
        font-size: 3rem;
    }
    
    .coming-soon-title {
        font-size: 1.5rem;
    }
}