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


:root {

    --bg-primary: #0a0a0f;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1f1f35;
    --bg-hover: #2a2a40;
    

    --accent-primary: #ff6b9d;
    --accent-secondary: #c44569;
    --accent-purple: #9c27b0;
    --accent-blue: #2196f3;
    

    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --text-muted: #8e8ea0;
    --text-accent: #ff6b9d;
    

    --border-color: #2d2d48;
    --border-light: #3a3a55;
    

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
    

    --transition: all 0.3s ease;
}


body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'Microsoft YaHei', '微软雅黑', 'SimSun', '宋体', sans-serif;
    background: var(--bg-primary);
    background: #0a0a0f; /* 兼容性回退 */
    color: var(--text-primary);
    color: #ffffff; /* 兼容性回退 */
    line-height: 1.6;
    min-height: 100vh;
    
    /* 确保字体渲染一致性 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}


html {
    scroll-behavior: smooth;
}


#game-intro,
#game-features,
#game-screenshots,
#game-info {
    scroll-margin-top: 100px;
}

#game-features {
    scroll-margin-top: 120px;
}


.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}


.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--accent-primary);
}


.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}


.auth-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.download-btn {
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-purple));
    color: var(--text-primary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(45deg, var(--accent-secondary), var(--accent-purple));
}

.download-btn::before {
    content: '⬇';
    font-size: 1.1rem;
}


.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.content-wrapper {
    display: block;
    max-width: 1200px;
    margin: 0 auto;
}


.main-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}


.game-hero {
    position: relative;
    height: 500px;
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-primary);
}

.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 65%;
    height: 100%;
    z-index: 1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    background: 

        linear-gradient(to bottom, rgba(10, 10, 15, 0.8) 0%, transparent 15%),

        linear-gradient(to top, rgba(10, 10, 15, 0.8) 0%, transparent 15%),

        linear-gradient(to right, rgba(10, 10, 15, 0.9) 0%, transparent 25%),

        linear-gradient(to left, rgba(10, 10, 15, 0.6) 0%, transparent 15%);
}

.hero-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: flex-end;
    padding: var(--spacing-xl);
    z-index: 3;
}

.hero-left {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-end;
    max-width: 55%;
}

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

.game-icon-img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.game-info {
    flex: 1;
    color: var(--text-primary);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.developer {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.game-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.tag {
    background: rgba(255, 107, 157, 0.2);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    border: 1px solid rgba(255, 107, 157, 0.3);
    backdrop-filter: blur(10px);
}

.game-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.price-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.price {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.currency {
    font-size: 1.2rem;
}

.amount {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.currency-type {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.purchase-btn {
    background: linear-gradient(45deg, var(--accent-primary), #8b5cf6);
    color: var(--text-primary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.favorite-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    backdrop-filter: blur(10px);
}

.favorite-btn:hover {
    background: rgba(255, 107, 157, 0.2);
    border-color: var(--accent-primary);
}

.heart {
    font-size: 1.1rem;
    color: var(--accent-primary);
}

.hero-right {
    display: flex;
    align-items: flex-end;
}

.device-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.device-icon {
    font-size: 2rem;
    opacity: 0.7;
    transition: var(--transition);
}

.device-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}


.game-screenshots {
    margin-bottom: var(--spacing-xl);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--spacing-sm);
    height: 300px;
}

.screenshot-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.screenshot-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.main-screenshot {
    grid-row: 1 / 3;
}

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


.game-description {
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
    line-height: 1.8;
}


.game-info-table {
    margin-bottom: var(--spacing-xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-muted);
    font-weight: 500;
}

.info-value {
    color: var(--text-primary);
}


.game-introduction {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-xl);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.intro-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

.intro-content h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.feature-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
}

.character-info {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.character-info p {
    margin-bottom: var(--spacing-sm);
}

.character-info strong {
    color: var(--accent-primary);
}


.section-subtitle {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--accent-primary);
    display: inline-block;
}

.character-item {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 107, 157, 0.05);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-primary);
}

.character-item p:first-child {
    margin-bottom: var(--spacing-sm);
}

.character-item p:last-child {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.gameplay-info,
.tech-info {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.gameplay-info p,
.tech-info p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.gameplay-info strong {
    color: var(--accent-primary);
    font-weight: 600;
}

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






.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xxl);
    position: relative;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.social-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.6;
}

.footer-bottom p {
    margin-bottom: var(--spacing-sm);
}

.copyright {
    color: var(--text-secondary);
    font-weight: 600;
}

.version {
    color: var(--text-muted);
    font-size: 0.7rem;
}




.mascot {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
}

.pc-mascot-gif {
    width: 80px;
    height: auto;
}


@media (max-width: 1024px) {
    .content-wrapper {
        max-width: 100%;
        padding: 0 ;
    }
    
    .nav-menu {
        display: none;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-lg) 0;
        max-width: 100%;
    }
    
    .main-section {
        padding: var(--spacing-lg);
        margin: 0;
        border-radius: 0;
        width: 100%;
    }
    

    .game-hero {
        height: 400px;
    }
    
    .hero-background {
        width: 100%;
        height: 70%;
        top: 30%;
        right: 0;
    }
    
    .hero-overlay {
        width: 100%;
        background: linear-gradient(
            180deg,
            var(--bg-primary) 0%,
            var(--bg-primary) 20%,
            rgba(10, 10, 15, 0.7) 50%,
            rgba(10, 10, 15, 0.3) 70%,
            transparent 90%
        );
    }
    
    .hero-content {
        padding: var(--spacing-lg);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-end;
    }
    
    .hero-left {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
        max-width: 100%;
    }
    
    .game-icon-img {
        width: 80px;
        height: 80px;
        align-self: flex-start;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .game-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .price-section {
        justify-content: space-between;
    }
    
    .hero-right {
        display: none;
    }
    
    .screenshot-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto;
        height: auto;
    }
    
    .main-screenshot {
        grid-column: 1 / 3;
        grid-row: 1;
        height: 200px;
    }
    
    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .mascot {
        display: none;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .main-content {
        padding: var(--spacing-md) 0;
        max-width: 100%;
    }
    
    .main-section {
        padding: var(--spacing-md);
        margin: 0;
        border-radius: 0;
        width: 100%;
    }
    
    .screenshot-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .main-screenshot {
        grid-column: 1;
        grid-row: 1;
    }
    
    .game-tags {
        gap: var(--spacing-xs);
    }
    
    .tag {
        font-size: 0.75rem;
        padding: 2px 6px;
    }
}


.loading-placeholder {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    min-height: 200px;
}


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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}


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

.main-section,
.sidebar-section {
    animation: fadeIn 0.6s ease-out;
}


.game-screenshots .screenshot-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 60%, rgba(255, 107, 157, 0.1));
    opacity: 0;
    transition: var(--transition);
}

.game-screenshots .screenshot-item:hover::after {
    opacity: 1;
}

/* 友情链接样式 */
.friends-links-section {
    background: var(--bg-secondary);
    background: #1a1a2e; /* 兼容性回退 */
    border-radius: var(--radius-lg);
    border-radius: 12px; /* 兼容性回退 */
    padding: var(--spacing-xl);
    padding: 32px; /* 兼容性回退 */
    margin-top: var(--spacing-xl);
    margin-top: 32px; /* 兼容性回退 */
    box-shadow: var(--shadow-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25); /* 兼容性回退 */
    border-top: 1px solid var(--border-color);
    border-top: 1px solid #2d2d48; /* 兼容性回退 */
}

.friends-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    gap: 16px; /* 兼容性回退 */
    margin-top: var(--spacing-lg);
    margin-top: 24px; /* 兼容性回退 */
    
    /* Flexbox 回退方案 */
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    
    /* 重新设置为Grid（支持的浏览器会覆盖上面的flex） */
    display: grid;
}

.friend-link {
    background: var(--bg-tertiary);
    background: #16213e; /* 兼容性回退 */
    border: 1px solid var(--border-color);
    border: 1px solid #2d2d48; /* 兼容性回退 */
    border-radius: var(--radius-md);
    border-radius: 8px; /* 兼容性回退 */
    padding: var(--spacing-md);
    padding: 16px; /* 兼容性回退 */
    text-decoration: none;
    color: var(--text-primary);
    color: #ffffff; /* 兼容性回退 */
    transition: var(--transition);
    transition: all 0.3s ease; /* 兼容性回退 */
    display: block;
    position: relative;
    overflow: hidden;
    
    /* Flexbox布局用于不支持Grid的浏览器 */
    -webkit-box-flex: 1;
    -ms-flex: 1 1 280px;
    flex: 1 1 280px;
    min-width: 280px;
}

.friend-link:hover {
    background: var(--bg-hover);
    background: #2a2a40; /* 兼容性回退 */
    border-color: var(--accent-primary);
    border-color: #ff6b9d; /* 兼容性回退 */
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25); /* 兼容性回退 */
}

.friend-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-purple));
    background: linear-gradient(90deg, #ff6b9d, #9c27b0); /* 兼容性回退 */
    transform: scaleX(0);
    -webkit-transform: scaleX(0);
    -ms-transform: scaleX(0);
    transition: transform 0.3s ease;
    -webkit-transition: -webkit-transform 0.3s ease;
    -webkit-transition: transform 0.3s ease;
    transition: transform 0.3s ease;
    transition: transform 0.3s ease, -webkit-transform 0.3s ease;
}

.friend-link:hover::before {
    transform: scaleX(1);
    -webkit-transform: scaleX(1);
    -ms-transform: scaleX(1);
}

.friend-link-content {
    display: flex;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    flex-direction: column;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: var(--spacing-xs);
    gap: 4px; /* 兼容性回退 */
}

.friend-link-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    color: #ffffff; /* 兼容性回退 */
    margin-bottom: var(--spacing-xs);
    margin-bottom: 4px; /* 兼容性回退 */
}

.friend-link-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    color: #b8b8d1; /* 兼容性回退 */
    line-height: 1.4;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .friends-links-section {
        padding: var(--spacing-lg);
        padding: 24px; /* 兼容性回退 */
        margin: var(--spacing-lg) 0 0 0;
        margin: 24px 0 0 0; /* 兼容性回退 */
        border-radius: 0;
    }
    
    .friends-links-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        gap: 8px; /* 兼容性回退 */
        
        /* 移动端强制使用flex布局 */
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
    }
    
    .friend-link {
        padding: var(--spacing-sm) var(--spacing-md);
        padding: 8px 16px; /* 兼容性回退 */
        -webkit-box-flex: 0;
        -ms-flex: none;
        flex: none;
        min-width: auto;
    }
    
    .friend-link-title {
        font-size: 1rem;
    }
    
    .friend-link-desc {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .friends-links-section {
        padding: var(--spacing-md);
        padding: 16px; /* 兼容性回退 */
    }
}