/* 复古蒸汽波模板25样式 */

/* CSS变量定义 - 复古蒸汽波配色 */
:root {
    /* 复古蒸汽波色彩 */
    --retro-pink: #ff00ff;
    --retro-cyan: #00ffff;
    --retro-purple: #8a2be2;
    --retro-orange: #ff6600;
    --retro-yellow: #ffff00;
    
    /* 背景色 */
    --bg-dark: #0a0a0f;
    --bg-darker: #05050a;
    --bg-panel: #1a0d2e;
    --bg-panel-hover: #2d1b3d;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, var(--retro-pink), var(--retro-cyan));
    --gradient-secondary: linear-gradient(135deg, var(--retro-purple), var(--retro-orange));
    --gradient-bg: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-panel) 100%);
    
    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: #e0e0ff;
    --text-muted: #b0b0d0;
    --text-glow: #ff00ff;
    
    /* 边框和阴影 */
    --border-retro: 2px solid var(--retro-cyan);
    --shadow-neon: 0 0 20px var(--retro-pink), 0 0 40px var(--retro-cyan);
    --shadow-panel: 0 8px 32px rgba(255, 0, 255, 0.3);
    --shadow-button: 0 4px 16px rgba(0, 255, 255, 0.5);
    
    /* 动画时长 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s ease;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Orbitron', 'Segoe UI', monospace;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* 复古网格背景 */
.retro-grid-bg-b6v3 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--gradient-bg);
    background-image: 
        linear-gradient(rgba(255, 0, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* 扫描线效果 */
.scanlines-b6v3 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: linear-gradient(
        transparent 50%, 
        rgba(0, 255, 255, 0.03) 50%
    );
    background-size: 100% 4px;
    animation: scanlines 0.1s linear infinite;
    pointer-events: none;
}

@keyframes scanlines {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

/* 容器 */
.container-b6v3 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* 导航栏 */
.navbar-b6v3 {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 13, 46, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: var(--border-retro);
    z-index: 1000;
    box-shadow: var(--shadow-panel);
}

.nav-container-b6v3 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-brand-b6v3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-icon-wrapper-b6v3 {
    position: relative;
    width: 50px;
    height: 50px;
}

.nav-icon-b6v3 {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    object-fit: cover;
    border: 2px solid var(--retro-cyan);
    position: relative;
    z-index: 2;
}

.icon-glow-b6v3 {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    filter: blur(10px);
    opacity: 0.6;
    animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.nav-title-b6v3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-glow);
    text-shadow: 0 0 20px var(--retro-pink);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-menu-b6v3 {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link-b6v3 {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-normal);
    position: relative;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.nav-link-b6v3::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transition: var(--transition-normal);
}

.nav-link-b6v3:hover {
    border-color: var(--retro-cyan);
    box-shadow: 0 0 15px var(--retro-cyan);
    transform: translateY(-2px);
}

.nav-link-b6v3:hover::before {
    opacity: 1;
}

/* 移动端菜单按钮 */
.mobile-toggle-b6v3 {
    display: none;
    flex-direction: column;
    background: transparent;
    border: var(--border-retro);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
    transition: var(--transition-normal);
}

.mobile-toggle-b6v3:hover {
    box-shadow: var(--shadow-button);
}

.toggle-line-b6v3 {
    width: 25px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.mobile-toggle-b6v3.active .toggle-line-b6v3:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle-b6v3.active .toggle-line-b6v3:nth-child(2) {
    opacity: 0;
}

.mobile-toggle-b6v3.active .toggle-line-b6v3:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 移动端菜单 */
.mobile-menu-b6v3 {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(26, 13, 46, 0.98);
    backdrop-filter: blur(15px);
    border-bottom: var(--border-retro);
    padding: var(--spacing-sm);
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-menu-b6v3.active {
    display: flex;
}

.mobile-link-b6v3 {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm);
    border: 1px solid var(--retro-purple);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    text-align: center;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
}

.mobile-link-b6v3:hover {
    color: var(--text-glow);
    border-color: var(--retro-cyan);
    box-shadow: 0 0 15px var(--retro-cyan);
    background: rgba(255, 0, 255, 0.1);
}

/* 英雄区域 */
.hero-section-b6v3 {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 var(--spacing-2xl);
    position: relative;
    text-align: center;
}

.hero-container-b6v3 {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.hero-title-wrapper-b6v3 {
    margin-bottom: var(--spacing-xl);
}

.hero-title-b6v3 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 4px;
    position: relative;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.hero-title-b6v3::before {
    content: attr(data-text);
    position: absolute;
    top: 3px;
    left: 3px;
    color: var(--retro-cyan);
    z-index: -1;
    opacity: 0.5;
}

.title-underline-b6v3 {
    width: 200px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: 0 0 20px var(--retro-pink);
    animation: underlinePulse 2s ease-in-out infinite;
}

@keyframes underlinePulse {
    0%, 100% { transform: scaleX(1); }
    50% { transform: scaleX(1.2); }
}

/* 英雄图片 */
.hero-image-b6v3 {
    position: relative;
    display: inline-block;
    margin: var(--spacing-xl) 0;
}

.image-frame-b6v3 {
    position: relative;
    border: 3px solid var(--retro-cyan);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-panel);
}

.cover-image-b6v3 {
    width: 500px;
    height: 300px;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 2;
}

.image-overlay-b6v3 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        rgba(255, 0, 255, 0.2) 0%,
        transparent 50%,
        rgba(0, 255, 255, 0.2) 100%
    );
    z-index: 3;
}

.image-glow-b6v3 {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    filter: blur(20px);
    opacity: 0.6;
    animation: imageGlow 4s ease-in-out infinite;
    z-index: 1;
}

@keyframes imageGlow {
    0%, 100% { opacity: 0.6; filter: blur(20px); }
    50% { opacity: 1; filter: blur(30px); }
}

.hero-description-b6v3 {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 复古标签 */
.hero-tags-b6v3 {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.retro-tag-b6v3 {
    background: var(--bg-panel);
    color: var(--retro-cyan);
    padding: 8px 16px;
    border: 1px solid var(--retro-cyan);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.retro-tag-b6v3::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transition: var(--transition-normal);
}

.retro-tag-b6v3:hover {
    border-color: var(--retro-pink);
    box-shadow: 0 0 15px var(--retro-pink);
    transform: translateY(-2px);
}

.retro-tag-b6v3:hover::before {
    opacity: 1;
}

/* 复古按钮 */
.hero-buttons-b6v3 {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.retro-btn-primary-b6v3, .retro-btn-secondary-b6v3 {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border: 2px solid;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-normal);
    overflow: hidden;
    min-width: 180px;
}

.retro-btn-primary-b6v3 {
    background: var(--gradient-primary);
    border-color: var(--retro-pink);
    color: var(--bg-dark);
}

.retro-btn-secondary-b6v3 {
    background: transparent;
    border-color: var(--retro-cyan);
    color: var(--retro-cyan);
}

.btn-text-b6v3 {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-glow-b6v3 {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    filter: blur(15px);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
}

.retro-btn-primary-b6v3:hover .btn-glow-b6v3,
.retro-btn-secondary-b6v3:hover .btn-glow-b6v3 {
    opacity: 0.8;
}

.retro-btn-primary-b6v3:hover,
.retro-btn-secondary-b6v3:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-neon);
}

.retro-btn-secondary-b6v3:hover {
    background: rgba(0, 255, 255, 0.1);
}

/* 内容区域 */
.intro-section-b6v3, .guide-section-b6v3, .screenshots-section-b6v3, .friends-section-b6v3 {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-title-b6v3 {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title-b6v3::before {
    content: attr(data-text);
    position: absolute;
    top: 2px;
    left: 2px;
    color: var(--retro-purple);
    z-index: -1;
    opacity: 0.3;
}

.title-icon-b6v3 {
    font-size: 2rem;
    color: var(--retro-orange);
    text-shadow: 0 0 20px var(--retro-orange);
    margin-right: var(--spacing-sm);
}

/* 复古面板 */
.retro-panel-b6v3 {
    background: var(--bg-panel);
    border: 2px solid var(--retro-purple);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-panel);
    transition: var(--transition-normal);
}

.retro-panel-b6v3:hover {
    border-color: var(--retro-cyan);
    box-shadow: 0 0 30px var(--retro-cyan);
    transform: translateY(-5px);
}

.panel-header-b6v3 {
    background: var(--gradient-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title-b6v3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.panel-title-b6v3 i {
    font-size: 1.2rem;
}

.panel-lights-b6v3 {
    display: flex;
    gap: var(--spacing-xs);
}

.light-b6v3 {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: lightBlink 2s ease-in-out infinite;
}

.light-red-b6v3 {
    background: #ff0000;
    box-shadow: 0 0 10px #ff0000;
}

.light-yellow-b6v3 {
    background: var(--retro-yellow);
    box-shadow: 0 0 10px var(--retro-yellow);
    animation-delay: 0.5s;
}

.light-green-b6v3 {
    background: #00ff00;
    box-shadow: 0 0 10px #00ff00;
    animation-delay: 1s;
}

@keyframes lightBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.panel-content-b6v3 {
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

.panel-content-b6v3 p {
    margin-bottom: var(--spacing-sm);
}

/* 复古画廊 */
.retro-gallery-b6v3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item-b6v3 {
    position: relative;
    cursor: pointer;
    transition: var(--transition-normal);
}

.gallery-item-b6v3 .image-frame-b6v3 {
    border-color: var(--retro-purple);
    transition: var(--transition-normal);
}

.gallery-img-b6v3 {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.zoom-icon-b6v3 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--retro-cyan);
    font-size: 2rem;
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 4;
    text-shadow: 0 0 20px var(--retro-cyan);
}

.gallery-item-b6v3:hover .image-frame-b6v3 {
    border-color: var(--retro-cyan);
}

.gallery-item-b6v3:hover .zoom-icon-b6v3 {
    opacity: 1;
}

.gallery-item-b6v3:hover .image-overlay-b6v3 {
    background: rgba(0, 0, 0, 0.7);
}

.item-glow-b6v3 {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-xl);
    filter: blur(15px);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
}

.gallery-item-b6v3:hover .item-glow-b6v3 {
    opacity: 0.6;
}

.no-screenshots-b6v3, .no-friends-b6v3 {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
    border: 2px dashed var(--retro-purple);
    border-radius: var(--radius-xl);
}

.no-screenshots-b6v3 i, .no-friends-b6v3 i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--retro-purple);
}

/* 下载区域 */
.download-section-b6v3 {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(
        135deg,
        rgba(255, 0, 255, 0.1) 0%,
        rgba(0, 255, 255, 0.1) 100%
    );
    position: relative;
}

.download-panel-b6v3 {
    background: var(--bg-panel);
    border: 3px solid var(--retro-pink);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-neon);
    position: relative;
    overflow: hidden;
}

.download-panel-b6v3::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: var(--transition-slow);
}

.download-panel-b6v3:hover::before {
    left: 100%;
}

.download-title-b6v3 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-title-b6v3::before {
    content: attr(data-text);
    position: absolute;
    top: 2px;
    left: 2px;
    color: var(--retro-cyan);
    z-index: -1;
    opacity: 0.3;
}

.download-subtitle-b6v3 {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.download-features-b6v3 {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature-item-b6v3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feature-item-b6v3 i {
    color: var(--retro-orange);
    font-size: 1.2rem;
    text-shadow: 0 0 10px var(--retro-orange);
}

.retro-download-btn-b6v3 {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 20px 40px;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    text-decoration: none;
    border: 3px solid var(--retro-pink);
    border-radius: var(--radius-lg);
    font-weight: 900;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition-normal);
    overflow: hidden;
    min-width: 250px;
}

.retro-download-btn-b6v3:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-neon);
}

.btn-pulse-b6v3 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    animation: btnPulse 2s ease-in-out infinite;
}

@keyframes btnPulse {
    0%, 100% { opacity: 0; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

/* 友情链接 */
.retro-links-grid-b6v3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.retro-link-b6v3 {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-panel);
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--retro-purple);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    overflow: hidden;
}

.link-text-b6v3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    z-index: 2;
}

.link-glow-b6v3 {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-md);
    filter: blur(10px);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
}

.retro-link-b6v3:hover {
    color: var(--retro-cyan);
    border-color: var(--retro-cyan);
    transform: translateY(-2px);
}

.retro-link-b6v3:hover .link-glow-b6v3 {
    opacity: 0.8;
}

/* 页脚 */
.footer-b6v3 {
    background: var(--bg-darker);
    border-top: 2px solid var(--retro-purple);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
}

.footer-content-b6v3 {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-brand-b6v3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-icon-wrapper-b6v3 {
    position: relative;
    width: 40px;
    height: 40px;
}

.footer-icon-b6v3 {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 2px solid var(--retro-cyan);
    position: relative;
    z-index: 2;
}

.footer-title-b6v3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--retro-pink);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-text-b6v3 {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 复古灯箱 */
.retro-lightbox-b6v3 {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    backdrop-filter: blur(10px);
}

.retro-lightbox-b6v3.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content-b6v3 {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: var(--bg-panel);
    border: 3px solid var(--retro-cyan);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-neon);
}

.lightbox-header-b6v3 {
    background: var(--gradient-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lightbox-title-b6v3 {
    color: var(--bg-dark);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lightbox-close-b6v3 {
    color: var(--bg-dark);
    font-size: 1.5rem;
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition-fast);
}

.lightbox-close-b6v3:hover {
    transform: scale(1.2);
}

.lightbox-image-wrapper-b6v3 {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.lightbox-img-b6v3 {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-nav-b6v3 {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    width: 100%;
    justify-content: space-between;
    pointer-events: none;
    padding: 0 var(--spacing-md);
}

.lightbox-prev-b6v3, .lightbox-next-b6v3 {
    background: var(--gradient-secondary);
    color: var(--text-primary);
    border: 2px solid var(--retro-cyan);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition-normal);
    pointer-events: all;
}

.lightbox-prev-b6v3:hover, .lightbox-next-b6v3:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--retro-cyan);
}

/* 回到顶部按钮 */
.retro-back-to-top-b6v3 {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    border: 3px solid var(--retro-pink);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: var(--transition-normal);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    overflow: hidden;
}

.retro-back-to-top-b6v3.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.retro-back-to-top-b6v3:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-neon);
}

.retro-back-to-top-b6v3:active {
    transform: translateY(-2px) scale(1.05);
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏移动端 */
    .nav-menu-b6v3 {
        display: none;
    }
    
    .mobile-toggle-b6v3 {
        display: flex;
    }
    
    /* 英雄区域移动端 */
    .hero-title-b6v3 {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }
    
    .cover-image-b6v3 {
        width: 350px;
        height: 220px;
    }
    
    .hero-buttons-b6v3 {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .retro-btn-primary-b6v3, .retro-btn-secondary-b6v3 {
        width: 100%;
        max-width: 300px;
    }
    
    /* 内容区域移动端 */
    .section-title-b6v3 {
        font-size: 2rem;
        letter-spacing: 1px;
    }
    
    .retro-gallery-b6v3 {
        grid-template-columns: 1fr;
    }
    
    .download-features-b6v3 {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .retro-links-grid-b6v3 {
        grid-template-columns: 1fr;
    }
    
    /* 回到顶部按钮移动端 */
    .retro-back-to-top-b6v3 {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 12px;
        --spacing-md: 18px;
        --spacing-lg: 24px;
        --spacing-xl: 36px;
        --spacing-2xl: 48px;
    }
    
    .hero-title-b6v3 {
        font-size: 2rem;
        letter-spacing: 1px;
    }
    
    .cover-image-b6v3 {
        width: 300px;
        height: 180px;
    }
    
    .section-title-b6v3 {
        font-size: 1.8rem;
    }
    
    .download-title-b6v3 {
        font-size: 2rem;
    }
    
    .retro-download-btn-b6v3 {
        padding: 16px 24px;
        font-size: 1.1rem;
        min-width: 200px;
    }
}