/* ========================================
   特工17官方网站 - 现代化重构样式
   采用BEM命名规范和现代设计风格
   ======================================== */

/* CSS Reset and Base Styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 现代化配色方案 */
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #0f3460;
    --color-highlight: #e94560;
    --color-gold: #f5a623;
    --color-text-light: #ffffff;
    --color-text-muted: #b8b8b8;
    --color-text-dark: #1a1a2e;

    /* 渐变背景 */
    --gradient-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --gradient-accent: linear-gradient(135deg, #e94560 0%, #f5a623 100%);
    --gradient-gold: linear-gradient(135deg, #f5a623 0%, #ffd700 100%);

    /* 阴影效果 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.25);

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* 过渡动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* 字体 */
    --font-family-primary: 'Inter', 'Segoe UI', 'Microsoft YaHei', '微软雅黑', system-ui, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* 基础样式 */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-primary);
    line-height: 1.6;
    color: var(--color-text-light);
    background: var(--color-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   头部导航样式
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(233, 69, 96, 0.1);
    transition: var(--transition-normal);
}

.main-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    min-height: 70px;
}

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

.logo-image {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    transition: var(--transition-normal);
}

.logo-image:hover {
    transform: scale(1.05);
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.menu-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition-normal);
    padding: var(--spacing-xs) 0;
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: var(--transition-normal);
}

.menu-link:hover {
    color: var(--color-gold);
}

.menu-link:hover::after {
    width: 100%;
}

/* 移动端菜单切换按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger-line {
    width: 24px;
    height: 3px;
    background: var(--color-text-light);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ========================================
   Hero区域样式
   ======================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 70px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(233, 69, 96, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 166, 35, 0.1) 0%, transparent 50%),
        linear-gradient(45deg, transparent 30%, rgba(233, 69, 96, 0.05) 50%, transparent 70%);
    animation: backgroundShift 20s ease-in-out infinite;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(26, 26, 46, 0.8) 100%);
    z-index: -1;
}

@keyframes backgroundShift {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(-10px, -10px) rotate(1deg);
    }

    66% {
        transform: translate(10px, -5px) rotate(-1deg);
    }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    display: block;
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 400;
    margin-top: var(--spacing-xs);
    color: var(--color-text-muted);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-light);
    opacity: 0.9;
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

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

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* ========================================
   按钮样式
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 48px;
}

.btn::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: var(--transition-slow);
}

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

.btn--primary {
    background: var(--gradient-gold);
    color: var(--color-text-dark);
    box-shadow: var(--shadow-md);
}

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

.btn--secondary {
    background: transparent;
    color: var(--color-text-light);
    border: 2px solid var(--color-highlight);
}

.btn--secondary:hover {
    background: var(--color-highlight);
    color: var(--color-text-light);
    transform: translateY(-2px);
}

.btn--download {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--gradient-gold);
    color: var(--color-text-dark);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.btn--download:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

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

.download-version {
    font-size: 0.8rem;
    opacity: 0.8;
    font-weight: 400;
}

/* ========================================
   通用区域样式
   ======================================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-gold);
    border-radius: 2px;
}

/* ========================================
   游戏特色区域样式
   ======================================== */
.features-section {
    background: var(--color-secondary);
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-gold);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: rgba(233, 69, 96, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(233, 69, 96, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: rgba(233, 69, 96, 0.1);
    border-color: rgba(233, 69, 96, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gold);
    font-weight: 600;
}

.feature-description {
    color: var(--color-text-light);
    opacity: 0.8;
    line-height: 1.6;
}

/* ========================================
   画廊区域样式
   ======================================== */
.gallery-section {
    background: var(--color-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    cursor: pointer;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(233, 69, 96, 0.1);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
}

.gallery-item:hover::before {
    opacity: 1;
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-xl);
}

.gallery-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: var(--transition-normal);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
}

/* ========================================
   游戏信息区域样式
   ======================================== */
.game-info-section {
    background: var(--color-secondary);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.info-card {
    background: rgba(245, 166, 35, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(245, 166, 35, 0.1);
    backdrop-filter: blur(10px);
}

.info-title {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
    font-weight: 600;
}

.info-list {
    list-style: none;
}

.info-item {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(245, 166, 35, 0.1);
    color: var(--color-text-light);
    opacity: 0.9;
}

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

/* ========================================
   更新日志区域样式
   ======================================== */
.changelog-section {
    background: var(--color-primary);
}

.changelog-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.changelog-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(233, 69, 96, 0.05);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-gold);
    transition: var(--transition-normal);
}

.changelog-item:hover {
    background: rgba(233, 69, 96, 0.1);
    transform: translateX(8px);
}

.changelog-date {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--color-gold);
    font-size: 0.9rem;
    min-width: 120px;
}

.changelog-version {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
    font-weight: 600;
}

.changelog-list {
    color: var(--color-text-light);
    opacity: 0.8;
    padding-left: var(--spacing-sm);
}

.changelog-entry {
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.changelog-entry::before {
    content: '•';
    color: var(--color-gold);
    position: absolute;
    left: -var(--spacing-sm);
}

/* ========================================
   游戏评价区域样式
   ======================================== */
.reviews-section {
    background: var(--color-secondary);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.review-card {
    background: rgba(245, 166, 35, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(245, 166, 35, 0.1);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.review-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.review-card:hover::before {
    transform: scaleX(1);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: rgba(245, 166, 35, 0.1);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

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

.reviewer-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.reviewer-name {
    color: var(--color-text-light);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.review-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.stars {
    color: var(--color-gold);
    font-size: 0.9rem;
}

.rating-text {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

.review-date {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

.review-content {
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    font-style: italic;
    position: relative;
}

.review-content::before {
    content: '"';
    font-size: 2rem;
    color: var(--color-gold);
    position: absolute;
    top: -10px;
    left: -10px;
    opacity: 0.3;
}

.review-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    background: rgba(233, 69, 96, 0.1);
    color: var(--color-highlight);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(233, 69, 96, 0.2);
}

.reviews-summary {
    background: rgba(26, 26, 46, 0.5);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(245, 166, 35, 0.1);
}

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

.summary-item {
    text-align: center;
    min-width: 120px;
}

.summary-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.summary-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rating-breakdown {
    max-width: 400px;
    margin: 0 auto;
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.rating-label {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 30px;
}

.rating-progress {
    flex: 1;
    height: 8px;
    background: rgba(245, 166, 35, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-gold);
    border-radius: 4px;
    transition: width 1s ease-out;
}

.rating-percent {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    min-width: 30px;
    text-align: right;
}

/* ========================================
   礼包码区域样式
   ======================================== */
.gift-codes-section {
    background: var(--color-secondary);
}

.codes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.code-category {
    background: rgba(245, 166, 35, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(245, 166, 35, 0.1);
}

.category-title {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
}

.code-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(26, 26, 46, 0.5);
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}

.code-text {
    font-family: var(--font-family-mono);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    flex: 1;
    min-width: 120px;
}

.code-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    min-width: 80px;
    font-weight: 500;
}

.copy-button {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-accent);
    color: var(--color-text-light);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition-normal);
}

.copy-button:hover {
    background: var(--color-highlight);
    transform: translateY(-1px);
}

/* ========================================
   下载区域样式
   ======================================== */
.download-section {
    text-align: center;
    background: var(--color-primary);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.download-title {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 600;
}

.download-description {
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
    line-height: 1.6;
}

.platform-requirements {
    display: grid;
    gap: var(--spacing-sm);
}

.requirement-item {
    text-align: left;
    padding: var(--spacing-sm);
    background: rgba(233, 69, 96, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(233, 69, 96, 0.1);
}

.requirement-title {
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
    font-weight: 600;
}

.requirement-text {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 0;
}

.download-actions {
    display: flex;
    justify-content: center;
}

/* ========================================
   页脚样式
   ======================================== */
.site-footer {
    background: var(--color-primary);
    border-top: 1px solid rgba(233, 69, 96, 0.1);
    padding: var(--spacing-2xl) 0 var(--spacing-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section:first-child {
    max-width: 400px;
}

.footer-title {
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-description {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-social {
    margin-top: var(--spacing-sm);
}

.social-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-right: var(--spacing-xs);
}

.social-links {
    display: inline-flex;
    gap: var(--spacing-xs);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(233, 69, 96, 0.1);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--color-highlight);
    transform: translateY(-2px);
}

.footer-links {
    list-style: none;
}

.footer-link-item {
    margin-bottom: var(--spacing-xs);
}

.footer-link {
    color: var(--color-text-light);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition-normal);
    font-weight: 500;
    font-size: 0.9rem;
}

.footer-link:hover {
    color: var(--color-gold);
    opacity: 1;
    padding-left: 4px;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(233, 69, 96, 0.3), transparent);
    margin: var(--spacing-xl) 0;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-info {
    flex: 1;
    min-width: 300px;
}

.copyright {
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

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

.footer-stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-stats .stat-item {
    text-align: center;
    min-width: 80px;
}

.footer-stats .stat-number {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-gold);
}

.footer-stats .stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.disclaimer {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    opacity: 0.7;
    line-height: 1.5;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(233, 69, 96, 0.1);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .navigation-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        border-top: 1px solid rgba(233, 69, 96, 0.1);
    }

    .navigation-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero-stats {
        gap: var(--spacing-lg);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .download-info {
        order: 2;
    }

    .download-actions {
        order: 1;
    }

    .changelog-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .code-item {
        flex-direction: column;
        text-align: center;
    }

    .copy-button {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-section:first-child {
        max-width: none;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .footer-stats {
        justify-content: center;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .summary-stats {
        gap: var(--spacing-md);
    }

    .summary-item {
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    section {
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .feature-card,
    .info-card,
    .code-category {
        padding: var(--spacing-md);
    }
}

/* ========================================
   动画效果
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.gallery-item,
.info-card,
.changelog-item {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

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

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

/* 选择文本样式 */
::selection {
    background: rgba(233, 69, 96, 0.3);
    color: var(--color-text-light);
}

/* 焦点样式 */
:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   无障碍访问样式
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-highlight);
    color: var(--color-text-light);
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    transition: var(--transition-normal);
}

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

/* ========================================
   返回顶部按钮
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    color: var(--color-text-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.back-to-top:focus {
    outline: 2px solid var(--color-highlight);
    outline-offset: 2px;
}

/* ========================================
   加载指示器
   ======================================== */
.loading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.loading-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(233, 69, 96, 0.3);
    border-top: 4px solid var(--color-highlight);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-sm);
}

.loading-text {
    color: var(--color-text-light);
    font-size: 1rem;
    font-weight: 500;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* ========================================
   图片优化样式
   ======================================== */
.gallery-image {
    transition: opacity 0.3s ease;
}

.gallery-image[loading="lazy"] {
    opacity: 0;
}

.gallery-image[loading="lazy"].loaded {
    opacity: 1;
}

/* ========================================
   高对比度模式支持
   ======================================== */
@media (prefers-contrast: high) {
    :root {
        --color-text-light: #ffffff;
        --color-text-muted: #ffffff;
        --color-primary: #000000;
        --color-secondary: #1a1a1a;
    }

    .btn--primary,
    .btn--download {
        background: #ffffff;
        color: #000000;
        border: 2px solid #000000;
    }

    .btn--secondary {
        background: #000000;
        color: #ffffff;
        border: 2px solid #ffffff;
    }
}

/* ========================================
   深色模式优化
   ======================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #0a0a0a;
        --color-secondary: #1a1a1a;
    }
}

/* ========================================
   打印样式
   ======================================== */
@media print {

    .site-header,
    .back-to-top,
    .loading-indicator,
    .mobile-menu-toggle {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .hero-section {
        background: white !important;
        color: black !important;
    }

    .section-title {
        color: black !important;
    }

    a {
        color: black !important;
        text-decoration: underline !important;
    }

    .btn {
        border: 1px solid black !important;
        background: white !important;
        color: black !important;
    }
}