/* ===== 工业风格CSS变量定义 ===== */
:root {
    /* 工业色彩系统 */
    --color-industrial-black: #1a1a1a;
    --color-industrial-dark: #2d2d2d;
    --color-industrial-gray: #4a4a4a;
    --color-industrial-light-gray: #8a8a8a;
    --color-industrial-white: #f5f5f5;
    --color-industrial-accent: #ff6600;
    --color-industrial-accent-dark: #e55500;
    --color-industrial-accent-light: #ff8533;
    
    /* 工业间距系统 */
    --spacing-unit: 8px;
    --spacing-xs: calc(var(--spacing-unit) * 1);
    --spacing-sm: calc(var(--spacing-unit) * 2);
    --spacing-md: calc(var(--spacing-unit) * 3);
    --spacing-lg: calc(var(--spacing-unit) * 4);
    --spacing-xl: calc(var(--spacing-unit) * 6);
    --spacing-xxl: calc(var(--spacing-unit) * 8);
    
    /* 工业字体系统 */
    --font-primary: 'Arial', 'Microsoft YaHei', sans-serif;
    --font-industrial: 'Courier New', monospace;
    
    /* 工业动画系统 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-standard: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 工业阴影系统 */
    --shadow-sharp: 4px 4px 0px rgba(0, 0, 0, 0.3);
    --shadow-strong: 8px 8px 0px rgba(0, 0, 0, 0.4);
    --shadow-accent: 4px 4px 0px var(--color-industrial-accent);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--color-industrial-black);
    color: var(--color-industrial-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== 工业网格背景 ===== */
.industrial-grid-bg-n2c8 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(255, 102, 0, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 102, 0, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridShift 20s linear infinite;
}

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

/* ===== 导航栏工业风格 ===== */
.nav-industrial-bar-n2c8 {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-industrial-black);
    border-bottom: 2px solid var(--color-industrial-accent);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-content-grid-n2c8 {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    height: 80px;
    gap: var(--spacing-lg);
}

.nav-brand-section-n2c8 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.brand-icon-frame-n2c8 {
    width: 50px;
    height: 50px;
    background: var(--color-industrial-dark);
    border: 2px solid var(--color-industrial-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.brand-icon-frame-n2c8::before,
.brand-icon-frame-n2c8::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-industrial-accent);
}

.brand-icon-frame-n2c8::before {
    top: -4px;
    left: -4px;
}

.brand-icon-frame-n2c8::after {
    bottom: -4px;
    right: -4px;
}

.brand-icon-img-n2c8 {
    width: 30px;
    height: 30px;
    object-fit: cover;
}

.brand-title-text-n2c8 {
    font-family: var(--font-industrial);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-industrial-white);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links-industrial-n2c8 {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
}

.nav-industrial-link-n2c8 {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--color-industrial-light-gray);
    padding: var(--spacing-sm);
    border: 2px solid transparent;
    transition: all var(--transition-standard);
    position: relative;
    background: var(--color-industrial-dark);
    min-width: 120px;
}

.nav-industrial-link-n2c8::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--color-industrial-accent), transparent, var(--color-industrial-accent));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-standard);
}

.nav-industrial-link-n2c8:hover {
    color: var(--color-industrial-white);
    transform: translateY(-2px);
}

.nav-industrial-link-n2c8:hover::before {
    opacity: 1;
}

.link-icon-n2c8 {
    font-size: 1.2rem;
    color: var(--color-industrial-accent);
}

.link-text-n2c8 {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* 移动端菜单触发器 */
.mobile-menu-trigger-n2c8 {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: var(--color-industrial-dark);
    border: 2px solid var(--color-industrial-accent);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-standard);
}

.mobile-menu-trigger-n2c8:hover {
    background: var(--color-industrial-accent);
}

.trigger-line-n2c8 {
    width: 24px;
    height: 3px;
    background: var(--color-industrial-white);
    transition: all var(--transition-standard);
}

.mobile-menu-trigger-n2c8.active .trigger-line-n2c8:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-trigger-n2c8.active .trigger-line-n2c8:nth-child(2) {
    opacity: 0;
}

.mobile-menu-trigger-n2c8.active .trigger-line-n2c8:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 移动端导航面板 */
.mobile-nav-panel-n2c8 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-standard);
}

.mobile-nav-panel-n2c8.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-container-n2c8 {
    background: var(--color-industrial-black);
    border: 2px solid var(--color-industrial-accent);
    width: 90%;
    max-width: 400px;
    margin: 50px auto;
    position: relative;
}

.mobile-nav-header-n2c8 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-industrial-gray);
}

.mobile-brand-section-n2c8 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.mobile-brand-icon-n2c8 {
    width: 35px;
    height: 35px;
    object-fit: cover;
}

.mobile-brand-text-n2c8 {
    font-family: var(--font-industrial);
    font-weight: bold;
    color: var(--color-industrial-accent);
}

.mobile-nav-close-n2c8 {
    background: var(--color-industrial-dark);
    border: 2px solid var(--color-industrial-accent);
    color: var(--color-industrial-white);
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: all var(--transition-standard);
}

.mobile-nav-close-n2c8:hover {
    background: var(--color-industrial-accent);
    color: var(--color-industrial-black);
}

.mobile-nav-menu-n2c8 {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-nav-item-n2c8 {
    display: block;
    padding: var(--spacing-md);
    background: var(--color-industrial-dark);
    border: 1px solid var(--color-industrial-gray);
    color: var(--color-industrial-white);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-standard);
    position: relative;
}

.mobile-nav-item-n2c8::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--color-industrial-accent);
    transition: width var(--transition-standard);
}

.mobile-nav-item-n2c8:hover {
    color: var(--color-industrial-black);
    padding-left: var(--spacing-xl);
}

.mobile-nav-item-n2c8:hover::before {
    width: 100%;
}

/* ===== 主容器 ===== */
.main-industrial-container-n2c8 {
    margin-top: 80px;
    position: relative;
}

/* ===== 英雄区域 ===== */
.hero-industrial-section-n2c8 {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-industrial-black) 0%, var(--color-industrial-dark) 100%);
    position: relative;
}

.hero-grid-layout-n2c8 {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero-info-block-n2c8 {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.info-header-frame-n2c8 {
    position: relative;
}

.game-title-industrial-n2c8 {
    font-family: var(--font-industrial);
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--color-industrial-white);
    line-height: 1.1;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.title-accent-line-n2c8 {
    height: 4px;
    background: var(--color-industrial-accent);
    width: 100px;
    position: relative;
}

.title-accent-line-n2c8::after {
    content: '';
    position: absolute;
    right: -20px;
    top: -4px;
    width: 12px;
    height: 12px;
    background: var(--color-industrial-accent);
    transform: rotate(45deg);
}

.game-description-frame-n2c8 {
    background: var(--color-industrial-dark);
    border-left: 4px solid var(--color-industrial-accent);
    padding: var(--spacing-lg);
    position: relative;
}

.description-text-industrial-n2c8 {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-industrial-light-gray);
}

.tags-industrial-grid-n2c8 {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.tag-industrial-item-n2c8 {
    background: var(--color-industrial-dark);
    border: 2px solid var(--color-industrial-accent);
    color: var(--color-industrial-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-industrial);
    font-weight: bold;
    letter-spacing: 1px;
    position: relative;
    transition: all var(--transition-standard);
}

.tag-industrial-item-n2c8::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    width: 8px;
    height: 8px;
    background: var(--color-industrial-accent);
    transform: rotate(45deg);
}

.tag-industrial-item-n2c8:hover {
    background: var(--color-industrial-accent);
    color: var(--color-industrial-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-strong);
}

.primary-download-frame-n2c8 {
    margin-top: var(--spacing-lg);
}

.download-industrial-btn-n2c8 {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--color-industrial-accent);
    color: var(--color-industrial-black);
    text-decoration: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1.2rem;
    font-weight: bold;
    transition: all var(--transition-standard);
    position: relative;
    border: 3px solid var(--color-industrial-accent);
}

.download-industrial-btn-n2c8:hover {
    background: transparent;
    color: var(--color-industrial-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
}

.btn-icon-section-n2c8 {
    font-size: 1.5rem;
}

.btn-content-section-n2c8 {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.btn-main-label-n2c8 {
    font-size: 1.3rem;
    font-family: var(--font-industrial);
    letter-spacing: 2px;
}

.btn-sub-label-n2c8 {
    font-size: 0.9rem;
    opacity: 0.8;
}

.btn-accent-corner-n2c8 {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 16px;
    height: 16px;
    background: var(--color-industrial-white);
    transform: rotate(45deg);
}

.hero-cover-block-n2c8 {
    display: flex;
    justify-content: center;
    align-items: center;
}

.cover-industrial-frame-n2c8 {
    position: relative;
    width: 100%;
    max-width: 500px;
    background: var(--color-industrial-dark);
    border: 3px solid var(--color-industrial-accent);
    overflow: hidden;
}

.cover-industrial-image-n2c8 {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.cover-industrial-frame-n2c8:hover .cover-industrial-image-n2c8 {
    transform: scale(1.05);
}

.cover-overlay-industrial-n2c8 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-standard);
}

.cover-industrial-frame-n2c8:hover .cover-overlay-industrial-n2c8 {
    opacity: 1;
}

.overlay-play-frame-n2c8 {
    width: 80px;
    height: 80px;
    background: var(--color-industrial-accent);
    border: 3px solid var(--color-industrial-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-industrial-black);
    transform: rotate(45deg);
}

.overlay-play-frame-n2c8 i {
    transform: rotate(-45deg);
}

.cover-frame-corners-n2c8 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.cover-frame-corners-n2c8 span {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-industrial-accent);
}

.corner-tl-n2c8 {
    top: -3px;
    left: -3px;
    border-right: none;
    border-bottom: none;
}

.corner-tr-n2c8 {
    top: -3px;
    right: -3px;
    border-left: none;
    border-bottom: none;
}

.corner-bl-n2c8 {
    bottom: -3px;
    left: -3px;
    border-right: none;
    border-top: none;
}

.corner-br-n2c8 {
    bottom: -3px;
    right: -3px;
    border-left: none;
    border-top: none;
}

/* ===== 通用区域样式 ===== */
.section-industrial-container-n2c8 {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header-industrial-n2c8 {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-industrial-gray);
}

.header-label-frame-n2c8 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-accent-symbol-n2c8 {
    font-size: 2rem;
    color: var(--color-industrial-accent);
    font-weight: bold;
}

.section-title-industrial-n2c8 {
    font-family: var(--font-industrial);
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--color-industrial-white);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.header-description-n2c8 {
    justify-self: end;
}

.section-subtitle-industrial-n2c8 {
    color: var(--color-industrial-light-gray);
    font-size: 1.1rem;
    text-align: right;
}

/* ===== 截图展示区 ===== */
.screenshots-industrial-section-n2c8 {
    padding: var(--spacing-xxl) 0;
    background: var(--color-industrial-dark);
}

.screenshots-industrial-grid-n2c8 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.screenshot-industrial-block-n2c8 {
    position: relative;
    background: var(--color-industrial-black);
    border: 2px solid var(--color-industrial-gray);
    transition: all var(--transition-standard);
}

.screenshot-industrial-block-n2c8:hover {
    border-color: var(--color-industrial-accent);
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.screenshot-frame-n2c8 {
    position: relative;
    overflow: hidden;
}

.screenshot-image-industrial-n2c8 {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.screenshot-industrial-block-n2c8:hover .screenshot-image-industrial-n2c8 {
    transform: scale(1.1);
}

.screenshot-overlay-frame-n2c8 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 102, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-standard);
}

.screenshot-industrial-block-n2c8:hover .screenshot-overlay-frame-n2c8 {
    opacity: 1;
}

.overlay-expand-icon-n2c8 {
    width: 60px;
    height: 60px;
    background: var(--color-industrial-black);
    border: 3px solid var(--color-industrial-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-industrial-white);
}

.screenshot-index-label-n2c8 {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-industrial-accent);
    color: var(--color-industrial-black);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-industrial);
    font-weight: bold;
    font-size: 1.2rem;
}

.no-screenshots-industrial-n2c8 {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    padding: var(--spacing-xxl);
}

.no-content-frame-n2c8 {
    text-align: center;
    color: var(--color-industrial-light-gray);
}

.no-image-icon-industrial-n2c8 {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-industrial-gray);
}

.no-content-text-industrial-n2c8 {
    font-size: 1.2rem;
}

/* ===== 特性展示区 ===== */
.features-industrial-section-n2c8 {
    padding: var(--spacing-xxl) 0;
    background: var(--color-industrial-black);
}

.features-industrial-grid-n2c8 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.feature-industrial-block-n2c8 {
    background: var(--color-industrial-dark);
    border: 2px solid var(--color-industrial-gray);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-standard);
}

.feature-industrial-block-n2c8:hover {
    border-color: var(--color-industrial-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-sharp);
}

.feature-icon-frame-n2c8 {
    width: 80px;
    height: 80px;
    background: var(--color-industrial-black);
    border: 3px solid var(--color-industrial-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.feature-icon-frame-n2c8::before {
    content: '';
    position: absolute;
    top: -8px;
    right: -8px;
    width: 16px;
    height: 16px;
    background: var(--color-industrial-accent);
    transform: rotate(45deg);
}

.feature-icon-industrial-n2c8 {
    font-size: 2rem;
    color: var(--color-industrial-accent);
}

.feature-content-frame-n2c8 {
    margin-bottom: var(--spacing-lg);
}

.feature-title-industrial-n2c8 {
    font-family: var(--font-industrial);
    font-size: 1.5rem;
    color: var(--color-industrial-white);
    margin-bottom: var(--spacing-md);
    letter-spacing: 1px;
}

.feature-desc-industrial-n2c8 {
    color: var(--color-industrial-light-gray);
    line-height: 1.6;
    font-size: 1.1rem;
}

.feature-accent-corner-n2c8 {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 30px;
    height: 30px;
    border: 3px solid var(--color-industrial-accent);
    border-left: none;
    border-top: none;
}

/* ===== 游戏攻略区 ===== */
.guide-industrial-section-n2c8 {
    padding: var(--spacing-xxl) 0;
    background: var(--color-industrial-dark);
}

.guide-industrial-frame-n2c8 {
    background: var(--color-industrial-black);
    border: 3px solid var(--color-industrial-accent);
    position: relative;
}

.guide-header-section-n2c8 {
    background: var(--color-industrial-accent);
    color: var(--color-industrial-black);
    padding: var(--spacing-xl);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.guide-label-frame-n2c8 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.guide-accent-symbol-n2c8 {
    font-size: 2rem;
    font-weight: bold;
}

.guide-title-industrial-n2c8 {
    font-family: var(--font-industrial);
    font-size: 2.2rem;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.guide-subtitle-frame-n2c8 {
    justify-self: end;
}

.guide-subtitle-industrial-n2c8 {
    font-size: 1.1rem;
    text-align: right;
}

.guide-content-industrial-n2c8 {
    padding: var(--spacing-xl);
}

.guide-text-frame-n2c8 {
    background: var(--color-industrial-dark);
    border-left: 4px solid var(--color-industrial-accent);
    padding: var(--spacing-lg);
}

.guide-content-text-industrial-n2c8 {
    color: var(--color-industrial-light-gray);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ===== 下载区域 ===== */
.download-industrial-section-n2c8 {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-industrial-black) 0%, var(--color-industrial-dark) 100%);
}

.download-industrial-frame-n2c8 {
    text-align: center;
}

.download-header-section-n2c8 {
    margin-bottom: var(--spacing-xxl);
}

.download-label-frame-n2c8 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.download-accent-symbol-n2c8 {
    font-size: 3rem;
    color: var(--color-industrial-accent);
}

.download-title-industrial-n2c8 {
    font-family: var(--font-industrial);
    font-size: 3rem;
    color: var(--color-industrial-white);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.download-subtitle-frame-n2c8 {
    margin-top: var(--spacing-lg);
}

.download-subtitle-industrial-n2c8 {
    font-size: 1.3rem;
    color: var(--color-industrial-light-gray);
}

.download-action-industrial-n2c8 {
    margin-top: var(--spacing-xxl);
}

.download-final-industrial-btn-n2c8 {
    display: inline-block;
    background: var(--color-industrial-black);
    border: 4px solid var(--color-industrial-accent);
    color: var(--color-industrial-white);
    text-decoration: none;
    padding: var(--spacing-xl);
    transition: all var(--transition-standard);
    position: relative;
}

.download-final-industrial-btn-n2c8:hover {
    background: var(--color-industrial-accent);
    color: var(--color-industrial-black);
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.final-btn-grid-layout-n2c8 {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-xl);
    align-items: center;
    min-width: 400px;
}

.final-btn-icon-section-n2c8 {
    font-size: 2.5rem;
}

.final-btn-icon-n2c8 {
    animation: rocketFloat 2s ease-in-out infinite;
}

@keyframes rocketFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.final-btn-content-section-n2c8 {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.final-btn-main-text-n2c8 {
    font-family: var(--font-industrial);
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.final-btn-sub-text-n2c8 {
    font-size: 1rem;
    opacity: 0.8;
}

.final-btn-accent-frame-n2c8 {
    position: relative;
    width: 40px;
    height: 40px;
}

.accent-corner-tl-n2c8,
.accent-corner-br-n2c8 {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-industrial-accent);
}

.accent-corner-tl-n2c8 {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.accent-corner-br-n2c8 {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

/* ===== 友情链接区 ===== */
.links-industrial-section-n2c8 {
    padding: var(--spacing-xxl) 0;
    background: var(--color-industrial-dark);
}

.links-industrial-frame-n2c8 {
    max-width: 1000px;
    margin: 0 auto;
}

.links-header-section-n2c8 {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.links-label-frame-n2c8 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
}

.links-accent-symbol-n2c8 {
    font-size: 2rem;
    color: var(--color-industrial-accent);
}

.links-title-industrial-n2c8 {
    font-family: var(--font-industrial);
    font-size: 2rem;
    color: var(--color-industrial-white);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.links-industrial-grid-n2c8 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.link-industrial-item-n2c8 {
    background: var(--color-industrial-black);
    border: 2px solid var(--color-industrial-gray);
    text-decoration: none;
    transition: all var(--transition-standard);
    position: relative;
    overflow: hidden;
}

.link-industrial-item-n2c8:hover {
    border-color: var(--color-industrial-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-sharp);
}

.link-content-frame-n2c8 {
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    align-items: center;
    position: relative;
}

.link-icon-section-n2c8 {
    width: 40px;
    height: 40px;
    background: var(--color-industrial-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-industrial-black);
}

.link-icon-industrial-n2c8 {
    font-size: 1.2rem;
}

.link-text-section-n2c8 {
    overflow: hidden;
}

.link-name-industrial-n2c8 {
    color: var(--color-industrial-white);
    font-weight: 600;
    font-size: 1.1rem;
    display: block;
}

.link-accent-line-n2c8 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-industrial-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-standard);
}

.link-industrial-item-n2c8:hover .link-accent-line-n2c8 {
    transform: scaleX(1);
}

.no-links-industrial-n2c8 {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    padding: var(--spacing-xxl);
}

.no-links-frame-n2c8 {
    text-align: center;
    color: var(--color-industrial-light-gray);
}

.no-links-icon-industrial-n2c8 {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-industrial-gray);
}

.no-links-text-industrial-n2c8 {
    font-size: 1.2rem;
}

/* ===== 工业风格页脚 ===== */
.footer-industrial-section-n2c8 {
    background: var(--color-industrial-black);
    border-top: 3px solid var(--color-industrial-accent);
    padding: var(--spacing-xl) 0;
}

.footer-industrial-container-n2c8 {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-content-frame-n2c8 {
    text-align: center;
}

.footer-brand-section-n2c8 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.footer-accent-line-n2c8 {
    width: 100px;
    height: 2px;
    background: var(--color-industrial-accent);
}

.copyright-industrial-text-n2c8 {
    font-family: var(--font-industrial);
    color: var(--color-industrial-light-gray);
    font-size: 1rem;
    letter-spacing: 1px;
}

/* ===== 回到顶部按钮 ===== */
.back-to-top-industrial-btn-n2c8 {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--color-industrial-black);
    border: 3px solid var(--color-industrial-accent);
    color: var(--color-industrial-accent);
    cursor: pointer;
    transition: all var(--transition-standard);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 1000;
    position: relative;
}

.back-to-top-industrial-btn-n2c8.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-industrial-btn-n2c8:hover {
    background: var(--color-industrial-accent);
    color: var(--color-industrial-black);
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.btn-icon-frame-n2c8 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
}

.btn-accent-edges-n2c8 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.edge-top-n2c8,
.edge-bottom-n2c8 {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--color-industrial-accent);
}

.edge-top-n2c8 {
    top: -6px;
}

.edge-bottom-n2c8 {
    bottom: -6px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    :root {
        --spacing-unit: 6px;
    }
    
    .nav-links-industrial-n2c8 {
        display: none;
    }
    
    .mobile-menu-trigger-n2c8 {
        display: flex;
    }
    
    .hero-grid-layout-n2c8 {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .game-title-industrial-n2c8 {
        font-size: 2.5rem;
    }
    
    .section-header-industrial-n2c8 {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .header-description-n2c8 {
        justify-self: center;
    }
    
    .section-subtitle-industrial-n2c8 {
        text-align: center;
    }
    
    .screenshots-industrial-grid-n2c8 {
        grid-template-columns: 1fr;
    }
    
    .features-industrial-grid-n2c8 {
        grid-template-columns: 1fr;
    }
    
    .guide-header-section-n2c8 {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .guide-subtitle-frame-n2c8 {
        justify-self: center;
    }
    
    .guide-subtitle-industrial-n2c8 {
        text-align: center;
    }
    
    .final-btn-grid-layout-n2c8 {
        grid-template-columns: 1fr;
        min-width: auto;
        gap: var(--spacing-lg);
    }
    
    .links-industrial-grid-n2c8 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-content-grid-n2c8 {
        padding: 0 var(--spacing-md);
        height: 70px;
    }
    
    .brand-title-text-n2c8 {
        font-size: 1.2rem;
    }
    
    .game-title-industrial-n2c8 {
        font-size: 2rem;
    }
    
    .section-title-industrial-n2c8 {
        font-size: 2rem;
    }
    
    .download-title-industrial-n2c8 {
        font-size: 2.2rem;
    }
    
    .back-to-top-industrial-btn-n2c8 {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .btn-icon-frame-n2c8 {
        font-size: 1.2rem;
    }
    
    .mobile-nav-container-n2c8 {
        margin: 20px auto;
        width: 95%;
    }
}