/* CSS变量定义 */
:root {
    --primary-color: #65646e;
    --secondary-color: #eae5e3;
    --accent-color: #c88e7e;
    --highlight-color: #9fa8c3;
    
    --bg-primary: #fefefe;
    --bg-secondary: var(--secondary-color);
    --bg-dark: var(--primary-color);
    
    --text-primary: var(--primary-color);
    --text-secondary: #6b6b6b;
    --text-light: #ffffff;
    --text-muted: #999999;
    
    --border-light: #e0e0e0;
    --border-medium: #cccccc;
    
    --shadow-light: rgba(101, 100, 110, 0.1);
    --shadow-medium: rgba(101, 100, 110, 0.15);
    --shadow-heavy: rgba(101, 100, 110, 0.25);
    
    --gradient-primary: linear-gradient(135deg, var(--accent-color), var(--highlight-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--bg-primary));
    --gradient-dark: linear-gradient(135deg, var(--primary-color), #524f5a);
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius-small: 6px;
    --border-radius-medium: 12px;
    --border-radius-large: 20px;
    
    --font-family-primary: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* 通用样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-medium);
    z-index: 1000;
    box-shadow: 0 4px 15px var(--shadow-medium);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-heavy);
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(254, 254, 254, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.navbar {
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.3rem;
    transition: all var(--transition-fast);
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    margin-right: 12px;
    border-radius: var(--border-radius-small);
}

.brand-text {
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: var(--border-radius-medium);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-color);
    background-color: rgba(200, 142, 126, 0.1);
    transform: translateY(-2px);
}

.nav-link i {
    font-size: 0.9rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* 英雄区 */
.hero-section {
    min-height: 85vh;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(159, 168, 195, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

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

.hero-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    margin-bottom: 25px;
}

.title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.2;
}

.title-sub {
    display: block;
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-secondary);
    font-family: var(--font-family-secondary);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.version-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.version-badge,
.release-date {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-medium);
    font-size: 0.95rem;
    color: var(--text-secondary);
    box-shadow: 0 2px 10px var(--shadow-light);
}

.version-badge i,
.release-date i {
    color: var(--accent-color);
}

.key-features {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--border-radius-medium);
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-light);
}

.feature-item i {
    color: var(--highlight-color);
    font-size: 1rem;
}

.download-section {
    margin-top: 40px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 18px 35px;
    background: var(--gradient-primary);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius-large);
    font-size: 1.1rem;
    font-weight: 600;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 20px var(--shadow-medium);
    margin-bottom: 20px;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--shadow-heavy);
}

.download-btn i {
    font-size: 1.3rem;
}

.download-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-main {
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-sub {
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 400;
}

.platform-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.platform-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.platform-item i {
    color: var(--highlight-color);
    font-size: 1rem;
}

/* 游戏特色区 */
.features-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 25px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-large);
    border: 1px solid var(--border-light);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-medium);
    border-color: var(--accent-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-light);
    transition: all var(--transition-medium);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* 游戏截图区 */
.gallery-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 20px var(--shadow-light);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-medium);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all var(--transition-medium);
}

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

.gallery-overlay {
    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: all var(--transition-medium);
}

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

.gallery-overlay i {
    font-size: 2.5rem;
    color: var(--text-light);
}

/* 图片查看器 */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.viewer-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.viewer-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 2rem;
    cursor: pointer;
    z-index: 2001;
}

.viewer-content img {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--border-radius-medium);
}

.viewer-nav {
    position: absolute;
    top: 50%;
    left: -60px;
    right: -60px;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.viewer-prev,
.viewer-next {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    padding: 15px;
    border-radius: 50%;
    cursor: pointer;
    pointer-events: auto;
    transition: all var(--transition-fast);
}

.viewer-prev:hover,
.viewer-next:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 最新动态区 */
.news-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-large);
    padding: 30px;
    border: 1px solid var(--border-light);
    transition: all var(--transition-medium);
    display: flex;
    gap: 20px;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-medium);
    border-color: var(--accent-color);
}

.news-date {
    flex-shrink: 0;
    text-align: center;
    padding: 15px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-medium);
    color: var(--text-light);
    min-width: 70px;
}

.date-day {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.date-month {
    display: block;
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 2px;
}

.news-content {
    flex: 1;
}

.news-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.news-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.news-category {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.news-category i {
    color: var(--highlight-color);
}

.news-link {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

/* 用户评价区 */
.reviews-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.reviews-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.rating-overview {
    text-align: center;
}

.rating-score {
    margin-bottom: 30px;
}

.score-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}

.score-stars {
    margin: 10px 0;
    font-size: 1.5rem;
    color: #ffd700;
}

.score-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.rating-bars {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.rating-bar span:first-child {
    width: 30px;
    text-align: right;
}

.rating-bar span:last-child {
    width: 35px;
    text-align: left;
}

.bar {
    flex: 1;
    height: 8px;
    background: var(--border-light);
    border-radius: 4px;
    overflow: hidden;
}

.bar .fill {
    height: 100%;
    background: var(--gradient-primary);
    transition: width var(--transition-medium);
}

.user-tags h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.1rem;
    font-weight: 600;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    padding: 8px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-medium);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--accent-color);
    color: var(--text-light);
    border-color: var(--accent-color);
}

.reviews-carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-large);
}

.reviews-track {
    display: flex;
    gap: 30px;
    transition: transform var(--transition-medium);
}

.review-card {
    flex: 0 0 100%;
    background: var(--bg-primary);
    padding: 30px;
    border-radius: var(--border-radius-large);
    border: 1px solid var(--border-light);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 600;
    font-size: 1.2rem;
}

.reviewer-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
    display: block;
}

.review-rating {
    color: #ffd700;
    font-size: 0.9rem;
}

.review-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.review-text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

.carousel-controls {
    position: absolute;
    top: 50%;
    left: 20px;
    right: 20px;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.2rem;
    pointer-events: auto;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px var(--shadow-light);
}

.carousel-btn:hover {
    background: var(--accent-color);
    color: var(--text-light);
    transform: scale(1.1);
}

/* 版本历史区 */
.versions-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.versions-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.versions-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-medium);
}

.version-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 80px;
}

.version-marker {
    position: absolute;
    left: 17px;
    top: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.8rem;
    z-index: 2;
}

.version-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-large);
    padding: 30px;
    transition: all var(--transition-medium);
}

.version-content:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--shadow-medium);
    border-color: var(--accent-color);
}

.version-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.version-number {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.version-date {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.version-badge {
    padding: 4px 12px;
    background: var(--gradient-primary);
    color: var(--text-light);
    font-size: 0.8rem;
    border-radius: var(--border-radius-small);
    font-weight: 500;
}

.version-details h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 600;
}

.update-list {
    list-style: none;
    margin-bottom: 20px;
}

.update-list li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.update-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.version-info {
    display: flex;
    gap: 25px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.file-size,
.platforms {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.file-size i,
.platforms i {
    color: var(--highlight-color);
}

.version-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--gradient-primary);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius-medium);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.version-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow-medium);
}

/* 常见问题区 */
.faq-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-large);
    margin-bottom: 20px;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.faq-item:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 15px var(--shadow-light);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: rgba(200, 142, 126, 0.05);
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-question i {
    color: var(--accent-color);
    font-size: 1.2rem;
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* 页脚 */
.footer {
    background: var(--gradient-dark);
    color: var(--text-light);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-light);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .title-main {
        font-size: 2.8rem;
    }
    
    .title-sub {
        font-size: 1.5rem;
    }
    
    .reviews-stats {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 20px var(--shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
        gap: 10px;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .hero-section {
        min-height: 70vh;
        padding: 100px 0 60px;
    }
    
    .title-main {
        font-size: 2.2rem;
    }
    
    .title-sub {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .version-info {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .key-features {
        justify-content: center;
        gap: 15px;
    }
    
    .feature-item {
        flex: 0 1 calc(33.333% - 10px);
        min-width: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .platform-info {
        justify-content: center;
        gap: 10px;
    }
    
    .platform-item {
        flex: 0 1 calc(33.333% - 7px);
        justify-content: center;
        text-align: center;
        font-size: 0.85rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-card {
        flex-direction: column;
        text-align: center;
    }
    
    .news-date {
        align-self: center;
    }
    
    .reviews-track {
        gap: 0;
    }
    
    .review-card {
        padding: 20px;
    }
    
    .version-item {
        padding-left: 60px;
    }
    
    .versions-timeline::before {
        left: 20px;
    }
    
    .version-marker {
        left: 7px;
    }
    
    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .version-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .viewer-nav {
        left: -40px;
        right: -40px;
    }
    
    .carousel-controls {
        left: 10px;
        right: 10px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .title-main {
        font-size: 1.8rem;
    }
    
    .title-sub {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
    }
    
    .download-btn {
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .key-features {
        gap: 8px;
    }
    
    .feature-item {
        flex: 0 1 calc(33.333% - 6px);
        padding: 6px 8px;
        font-size: 0.75rem;
    }
    
    .platform-info {
        gap: 8px;
    }
    
    .platform-item {
        flex: 0 1 calc(33.333% - 6px);
        font-size: 0.8rem;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .gallery-item img {
        height: 200px;
    }
    
    .news-card {
        padding: 20px;
    }
    
    .review-card {
        padding: 15px;
    }
    
    .version-content {
        padding: 20px;
    }
    
    .faq-question {
        padding: 20px;
    }
    
    .faq-answer p {
        padding: 0 20px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .score-number {
        font-size: 3rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

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

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

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

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

/* 选择文本样式 */
::selection {
    background: var(--accent-color);
    color: var(--text-light);
}

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

/* 动画定义 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 懒加载动画 */
.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* 加载状态 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 通用按钮动画 */
.btn-animate {
    animation: pulse 2s infinite;
}