/* ========================================
   CSS变量 - 主题色定义
   ======================================== */
:root {
    --color-primary: #132929;
    --color-secondary-1: #b3bbb2;
    --color-secondary-2: #50ab9d;
    --color-secondary-3: #408a94;
    --color-accent: #5fd4c2;
    --color-dark: #0a1a1a;
    --color-light: #f5f7f6;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #e0e0e0;
    
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary-3) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-secondary-2) 0%, var(--color-secondary-3) 100%);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

/* ========================================
   返回顶部按钮
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 1000;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

/* ========================================
   头部导航
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(19, 41, 41, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 999;
    transition: var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-white);
    font-family: 'Orbitron', sans-serif;
    flex-shrink: 0;
}

.logo img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

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

.nav-menu {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-menu a {
    color: var(--color-white);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    font-size: 15px;
}

.nav-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-accent);
}

.nav-menu a i {
    font-size: 14px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    justify-content: center;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ========================================
   英雄区
   ======================================== */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
    padding: 80px 20px 40px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(80, 171, 157, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(64, 138, 148, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 12px;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.subtitle {
    display: block;
    font-size: 28px;
    color: var(--color-accent);
    font-weight: 700;
    margin-top: 8px;
}

.hero-description {
    font-size: 18px;
    color: var(--color-secondary-1);
    margin-bottom: 25px;
}

.game-info {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.info-badge {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.game-features {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 25px;
}

.feature-tag {
    background: rgba(80, 171, 157, 0.2);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(80, 171, 157, 0.3);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-secondary-2);
    color: var(--color-white);
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 19px;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(80, 171, 157, 0.4);
    background: var(--color-secondary-3);
}

.version-info {
    margin-top: 18px;
    color: var(--color-secondary-1);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* 移除fadeInUp动画关键帧 */

/* ========================================
   通用区块样式
   ======================================== */
section {
    padding: 80px 20px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.section-title i {
    color: var(--color-secondary-2);
}

.section-description {
    text-align: center;
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 50px;
}

/* ========================================
   新闻动态区
   ======================================== */
.news-section {
    background: var(--color-white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    display: flex;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-date {
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 100px;
}

.date-day {
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
}

.date-month {
    font-size: 12px;
    margin-top: 5px;
    opacity: 0.9;
}

.news-content {
    padding: 25px;
    flex: 1;
}

.news-content h3 {
    font-size: 22px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.news-content p {
    color: var(--color-text-light);
    margin-bottom: 15px;
    line-height: 1.7;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-secondary-2);
    font-weight: 600;
    transition: var(--transition-fast);
}

.news-link:hover {
    color: var(--color-secondary-3);
    gap: 12px;
}

/* ========================================
   媒体画廊
   ======================================== */
.gallery-section {
    background: var(--color-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    aspect-ratio: 16 / 9;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(19, 41, 41, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.gallery-overlay i {
    font-size: 48px;
    color: var(--color-white);
    transform: scale(0.5);
    transition: var(--transition-normal);
}

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

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

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

/* ========================================
   用户评价区
   ======================================== */
.reviews-section {
    background: var(--color-white);
}

.rating-summary {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

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

.rating-score {
    font-size: 72px;
    font-weight: 900;
    color: var(--color-secondary-2);
    line-height: 1;
}

.rating-stars {
    font-size: 28px;
    color: #ffa500;
    margin: 10px 0;
}

.rating-count {
    color: var(--color-text-light);
    font-size: 16px;
}

.rating-tags {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.tag-item {
    background: var(--color-white);
    color: var(--color-secondary-3);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 2px solid var(--color-secondary-3);
    transition: var(--transition-fast);
}

.tag-item:hover {
    background: var(--color-secondary-3);
    color: var(--color-white);
}

.reviews-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.review-header {
    margin-bottom: 20px;
}

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

.reviewer-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}

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

.review-stars {
    color: #ffa500;
}

.review-text {
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 15px;
}

.review-date {
    color: var(--color-text-light);
    font-size: 14px;
}

/* ========================================
   游戏攻略
   ======================================== */
.guide-section {
    background: var(--color-light);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.guide-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    text-align: center;
}

.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.guide-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.guide-card h3 {
    font-size: 24px;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.guide-card p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.guide-meta {
    padding-top: 20px;
    border-top: 2px solid var(--color-light);
}

.difficulty {
    color: var(--color-secondary-2);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ========================================
   游戏章节介绍
   ======================================== */
.chapters-section {
    background: var(--color-white);
}

.chapters-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.chapter-item {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    display: flex;
    gap: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border-left: 5px solid var(--color-secondary-2);
}

.chapter-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.chapter-item.character-chapter {
    border-left-color: var(--color-secondary-3);
}

.chapter-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--color-secondary-2);
    font-family: 'Orbitron', sans-serif;
    min-width: 80px;
    text-align: center;
}

.character-chapter .chapter-number {
    color: var(--color-secondary-3);
}

.chapter-content {
    flex: 1;
}

.chapter-content h3 {
    font-size: 26px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.chapter-desc {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.chapter-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.meta-tag {
    background: var(--color-white);
    color: var(--color-text);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--color-border);
}

.importance-badge {
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.importance-badge.high {
    background: rgba(255, 99, 71, 0.15);
    color: #ff6347;
    border: 1px solid rgba(255, 99, 71, 0.3);
}

.importance-badge.medium {
    background: rgba(255, 165, 0, 0.15);
    color: #ffa500;
    border: 1px solid rgba(255, 165, 0, 0.3);
}

/* ========================================
   版本历史
   ======================================== */
.versions-section {
    background: var(--color-light);
}

.versions-timeline {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.version-item {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
}

.version-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.version-item.latest {
    border: 3px solid var(--color-secondary-2);
}

.version-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--color-secondary-2);
    color: var(--color-white);
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 14px;
    box-shadow: var(--shadow-md);
}

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

.version-header h3 {
    font-size: 32px;
    color: var(--color-primary);
    font-family: 'Orbitron', sans-serif;
}

.version-date {
    color: var(--color-text-light);
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.version-content h4 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.version-content ul {
    list-style: none;
    margin-bottom: 25px;
}

.version-content ul li {
    padding: 10px 0;
    color: var(--color-text);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.6;
}

.version-content ul li i {
    color: var(--color-secondary-2);
    margin-top: 3px;
}

.version-info {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    padding: 20px;
    background: var(--color-light);
    border-radius: var(--border-radius);
}

.version-info span {
    color: var(--color-text);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.version-info i {
    color: var(--color-secondary-3);
}

.version-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

/* ========================================
   常见问题
   ======================================== */
.faq-section {
    background: var(--color-white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-secondary-2);
}

.faq-question span {
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-question i.fa-chevron-down {
    transition: var(--transition-fast);
    color: var(--color-secondary-2);
    font-size: 16px;
}

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

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

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--color-text);
    line-height: 1.8;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--color-primary);
    color: var(--color-secondary-1);
    padding: 60px 20px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    color: var(--color-white);
    font-size: 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-column p {
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.footer-column ul li a {
    color: var(--color-secondary-1);
    transition: var(--transition-fast);
}

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

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-secondary-2);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-legal {
    margin-bottom: 15px;
}

.footer-legal a {
    color: var(--color-secondary-1);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-accent);
}

.separator {
    margin: 0 15px;
    color: var(--color-secondary-1);
}

.copyright {
    color: var(--color-secondary-1);
    font-size: 14px;
}

/* ========================================
   响应式设计 - 平板
   ======================================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 48px;
    }
    
    .subtitle {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .chapter-item {
        flex-direction: column;
        gap: 20px;
    }
    
    .chapter-number {
        text-align: left;
    }
}

/* ========================================
   响应式设计 - 移动端
   ======================================== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background: rgba(19, 41, 41, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: flex-start;
        padding: 30px;
        gap: 0;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        width: 100%;
        padding: 15px;
        border-radius: var(--border-radius);
    }
    
    .hero {
        min-height: auto;
        padding: 120px 20px 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .subtitle {
        font-size: 20px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .game-info {
        gap: 10px;
    }
    
    .info-badge {
        padding: 8px 15px;
        font-size: 14px;
    }
    
    .download-btn {
        padding: 15px 35px;
        font-size: 18px;
    }
    
    section {
        padding: 60px 20px;
    }
    
    .section-title {
        font-size: 28px;
        flex-direction: column;
        gap: 10px;
    }
    
    .news-grid,
    .gallery-grid,
    .guide-grid,
    .reviews-carousel {
        grid-template-columns: 1fr;
    }
    
    .news-card {
        flex-direction: column;
    }
    
    .news-date {
        padding: 15px;
        flex-direction: row;
        gap: 15px;
    }
    
    .rating-summary {
        padding: 30px 20px;
    }
    
    .rating-tags {
        gap: 10px;
    }
    
    .tag-item {
        font-size: 13px;
        padding: 8px 15px;
    }
    
    .chapter-item {
        padding: 20px;
        gap: 15px;
    }
    
    .chapter-number {
        font-size: 36px;
        min-width: auto;
    }
    
    .chapter-content h3 {
        font-size: 22px;
    }
    
    .chapter-meta {
        gap: 8px;
    }
    
    .meta-tag {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .version-item {
        padding: 25px 20px;
    }
    
    .version-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .version-header h3 {
        font-size: 24px;
    }
    
    .version-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .faq-question {
        padding: 20px;
        font-size: 16px;
    }
    
    .faq-answer p {
        padding: 0 20px 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .subtitle {
        font-size: 18px;
    }
    
    .game-features {
        gap: 8px;
    }
    
    .feature-tag {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   新增页面样式
   ======================================== */

/* 页面英雄区 */
.page-hero {
    background: var(--gradient-primary);
    padding: 150px 20px 80px;
    text-align: center;
    color: var(--color-white);
}

.page-hero h1 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.page-hero p {
    font-size: 18px;
    color: var(--color-secondary-1);
}

/* 内容区域 */
.content-section {
    padding: 80px 20px;
    background: var(--color-white);
}

/* 用户手册样式 */
.manual-content {
    max-width: 900px;
    margin: 0 auto;
}

.manual-section {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
}

.manual-section h2 {
    color: var(--color-primary);
    font-size: 32px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--color-secondary-2);
    display: flex;
    align-items: center;
    gap: 12px;
}

.manual-section h3 {
    color: var(--color-secondary-3);
    font-size: 22px;
    margin: 25px 0 15px;
}

.manual-text ul, .manual-text ol {
    list-style-position: inside;
    margin: 15px 0;
    line-height: 1.8;
}

.manual-text ul {
    list-style-type: disc;
}

.manual-text ul li {
    margin: 10px 0;
    padding-left: 20px;
}

.manual-text ol {
    list-style-type: decimal;
}

.manual-text ol li {
    margin: 10px 0;
    padding-left: 20px;
}

.manual-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

.help-note {
    background: rgba(80, 171, 157, 0.1);
    border-left: 4px solid var(--color-secondary-2);
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 12px;
}

.help-note i {
    color: var(--color-secondary-2);
    font-size: 20px;
}

/* 技术支持样式 */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.support-card {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.support-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.support-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--color-white);
}

.support-card h3 {
    color: var(--color-primary);
    font-size: 24px;
    margin-bottom: 15px;
}

.support-card p {
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.support-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-secondary-2);
    font-weight: 600;
    transition: var(--transition-fast);
}

.support-link:hover {
    color: var(--color-secondary-3);
    gap: 12px;
}

.support-content {
    max-width: 900px;
    margin: 0 auto;
}

.support-content h2 {
    color: var(--color-primary);
    font-size: 32px;
    margin: 50px 0 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.tech-solution {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-sm);
}

.tech-solution h3 {
    color: var(--color-primary);
    font-size: 22px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.solution-steps h4 {
    color: var(--color-secondary-3);
    font-size: 18px;
    margin: 15px 0 10px;
}

.solution-steps ol {
    list-style-position: inside;
    list-style-type: decimal;
}

.solution-steps ol li {
    margin: 10px 0;
    padding-left: 20px;
    line-height: 1.7;
}

.contact-support {
    max-width: 900px;
    margin: 60px auto 0;
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 40px;
}

.contact-support h2 {
    color: var(--color-primary);
    font-size: 32px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.contact-item {
    background: var(--color-white);
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
}

.contact-item i {
    font-size: 36px;
    color: var(--color-secondary-2);
    margin-bottom: 15px;
}

.contact-item h4 {
    color: var(--color-primary);
    font-size: 20px;
    margin-bottom: 10px;
}

.contact-item p {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* 问题反馈样式 */
.feedback-intro {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
    font-size: 18px;
    color: var(--color-text);
    line-height: 1.8;
}

.feedback-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feedback-type-card {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    box-shadow: var(--shadow-sm);
}

.type-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-white);
    margin-bottom: 20px;
}

.type-icon.bug {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
}

.type-icon.suggestion {
    background: linear-gradient(135deg, #feca57 0%, #ff9ff3 100%);
}

.type-icon.content {
    background: linear-gradient(135deg, #48dbfb 0%, #0abde3 100%);
}

.feedback-type-card h3 {
    color: var(--color-primary);
    font-size: 24px;
    margin-bottom: 15px;
}

.feedback-type-card p {
    color: var(--color-text);
    margin-bottom: 15px;
    line-height: 1.7;
}

.feedback-type-card ul {
    list-style-position: inside;
    list-style-type: disc;
}

.feedback-type-card ul li {
    margin: 8px 0;
    color: var(--color-text-light);
    padding-left: 10px;
}

.feedback-guidelines {
    max-width: 900px;
    margin: 0 auto 50px;
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 40px;
}

.feedback-guidelines h2 {
    color: var(--color-primary);
    font-size: 32px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.guidelines-content h3 {
    color: var(--color-secondary-3);
    font-size: 20px;
    margin: 20px 0 15px;
}

.guidelines-content ol, .guidelines-content ul {
    list-style-position: inside;
    margin: 15px 0;
}

.guidelines-content ol {
    list-style-type: decimal;
}

.guidelines-content ol li {
    margin: 10px 0;
    padding-left: 10px;
    line-height: 1.7;
}

.guidelines-content ul {
    list-style-type: disc;
    margin-left: 20px;
}

.guidelines-content ul li {
    margin: 8px 0;
    padding-left: 10px;
}

.feedback-channels {
    max-width: 900px;
    margin: 0 auto 50px;
}

.feedback-channels h2 {
    color: var(--color-primary);
    font-size: 32px;
    margin-bottom: 30px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.channel-card {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.channel-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.channel-card i {
    font-size: 48px;
    color: var(--color-secondary-2);
    margin-bottom: 20px;
}

.channel-card h3 {
    color: var(--color-primary);
    font-size: 22px;
    margin-bottom: 15px;
}

.channel-card p {
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.channel-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-secondary-2);
    font-weight: 600;
    transition: var(--transition-fast);
}

.channel-link:hover {
    color: var(--color-secondary-3);
}

.feedback-notice {
    max-width: 900px;
    margin: 0 auto;
}

.notice-box {
    background: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    padding: 25px;
    border-radius: var(--border-radius);
    display: flex;
    gap: 20px;
}

.notice-box i {
    font-size: 28px;
    color: #ffc107;
    flex-shrink: 0;
}

.notice-box h3 {
    color: var(--color-primary);
    font-size: 20px;
    margin-bottom: 15px;
}

.notice-box ul {
    list-style-position: inside;
    list-style-type: disc;
}

.notice-box ul li {
    margin: 8px 0;
    line-height: 1.7;
}

/* 法律文档样式 */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
}

.legal-intro {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    margin-bottom: 40px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
}

.warning-box {
    background: rgba(255, 99, 71, 0.1);
    border-left: 4px solid #ff6347;
    padding: 20px;
    border-radius: var(--border-radius);
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.warning-box i {
    font-size: 24px;
    color: #ff6347;
    flex-shrink: 0;
    margin-top: 3px;
}

.legal-section {
    background: var(--color-light);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-sm);
}

.legal-section h2 {
    color: var(--color-primary);
    font-size: 28px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-secondary-2);
}

.legal-section h3 {
    color: var(--color-secondary-3);
    font-size: 20px;
    margin: 20px 0 12px;
}

.legal-section p {
    color: var(--color-text);
    line-height: 1.8;
    margin: 12px 0;
}

.legal-section ul, .legal-section ol {
    list-style-position: inside;
    margin: 15px 0;
}

.legal-section ul {
    list-style-type: disc;
}

.legal-section ul li {
    margin: 10px 0;
    padding-left: 20px;
    line-height: 1.7;
    color: var(--color-text);
}

.legal-section ul ul {
    margin-left: 30px;
    margin-top: 8px;
}

.legal-section ol {
    list-style-type: decimal;
}

.legal-section ol li {
    margin: 10px 0;
    padding-left: 20px;
    line-height: 1.7;
}

.legal-section a {
    color: var(--color-secondary-2);
    text-decoration: underline;
}

.legal-section a:hover {
    color: var(--color-secondary-3);
}

.legal-section .note {
    font-style: italic;
    color: var(--color-text-light);
    margin-top: 15px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--border-radius);
}

.legal-notice {
    background: rgba(80, 171, 157, 0.1);
    border: 2px solid var(--color-secondary-2);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    margin-top: 40px;
    text-align: center;
}

.legal-notice.warning {
    background: rgba(255, 193, 7, 0.1);
    border-color: #ffc107;
    display: flex;
    gap: 20px;
    text-align: left;
}

.legal-notice.warning i {
    font-size: 32px;
    color: #ffc107;
    flex-shrink: 0;
}

.legal-notice h3 {
    color: var(--color-primary);
    font-size: 22px;
    margin-bottom: 15px;
}

.legal-notice p {
    color: var(--color-text);
    line-height: 1.8;
    margin: 10px 0;
}

.legal-notice ul {
    list-style-position: inside;
    list-style-type: disc;
    margin-top: 15px;
}

.legal-notice ul li {
    margin: 8px 0;
    line-height: 1.7;
}

/* 响应式 - 移动端 */
@media (max-width: 768px) {
    .page-hero {
        padding: 120px 20px 60px;
    }
    
    .page-hero h1 {
        font-size: 32px;
        flex-direction: column;
        gap: 10px;
    }
    
    .page-hero p {
        font-size: 16px;
    }
    
    .content-section {
        padding: 60px 20px;
    }
    
    .manual-section {
        padding: 25px 20px;
    }
    
    .manual-section h2 {
        font-size: 24px;
    }
    
    .support-grid, 
    .feedback-types, 
    .channels-grid, 
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .legal-section {
        padding: 25px 20px;
    }
    
    .legal-section h2 {
        font-size: 22px;
    }
    
    .warning-box, 
    .notice-box {
        flex-direction: column;
        gap: 15px;
    }
    
    .legal-notice.warning {
        flex-direction: column;
    }
}

/* ========================================
   文章详情页样式
   ======================================== */

.article-content {
    max-width: 900px;
    margin: 0 auto;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-light);
}

.article-category,
.article-date,
.article-views {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-light);
    border-radius: var(--border-radius);
    font-size: 14px;
    color: var(--color-text);
}

.article-category {
    background: var(--gradient-accent);
    color: var(--color-white);
    font-weight: 600;
}

.article-body {
    background: var(--color-white);
    line-height: 1.8;
    font-size: 16px;
    color: var(--color-text);
}

.article-intro {
    background: var(--color-light);
    border-left: 4px solid var(--color-secondary-2);
    padding: 25px;
    margin-bottom: 40px;
    border-radius: var(--border-radius);
    font-size: 17px;
    line-height: 1.9;
}

.article-body h2 {
    color: var(--color-primary);
    font-size: 28px;
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-secondary-2);
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-body h3 {
    color: var(--color-secondary-3);
    font-size: 22px;
    margin: 30px 0 15px;
}

.article-body p {
    margin: 15px 0;
    line-height: 1.9;
}

.article-body ul,
.article-body ol {
    margin: 20px 0;
    padding-left: 30px;
}

.article-body ul li,
.article-body ol li {
    margin: 12px 0;
    line-height: 1.8;
}

.article-body ul {
    list-style-type: disc;
}

.article-body ol {
    list-style-type: decimal;
}

.article-body strong {
    color: var(--color-primary);
    font-weight: 600;
}

.article-body a {
    color: var(--color-secondary-2);
    text-decoration: underline;
}

.article-body a:hover {
    color: var(--color-secondary-3);
}

.article-callout {
    background: rgba(80, 171, 157, 0.1);
    border-left: 4px solid var(--color-secondary-2);
    padding: 25px;
    margin: 30px 0;
    border-radius: var(--border-radius);
    display: flex;
    gap: 20px;
}

.article-callout.warning {
    background: rgba(255, 193, 7, 0.1);
    border-left-color: #ffc107;
}

.article-callout.warning i {
    color: #ffc107;
}

.article-callout i {
    font-size: 28px;
    color: var(--color-secondary-2);
    flex-shrink: 0;
    margin-top: 3px;
}

.article-callout h3 {
    color: var(--color-primary);
    font-size: 20px;
    margin: 0 0 12px 0;
}

.article-callout p,
.article-callout ul,
.article-callout ol {
    margin: 10px 0;
}

.article-callout ul,
.article-callout ol {
    padding-left: 20px;
}

.tip {
    background: rgba(72, 219, 251, 0.1);
    border-left: 4px solid #48dbfb;
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: var(--border-radius);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.tip i {
    color: #48dbfb;
    font-size: 20px;
    margin-top: 2px;
}

blockquote {
    background: var(--color-light);
    border-left: 4px solid var(--color-secondary-2);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: var(--border-radius);
    font-style: italic;
}

blockquote p {
    margin: 0;
    color: var(--color-text);
}

blockquote strong {
    font-style: normal;
    color: var(--color-primary);
}

.version-info {
    background: var(--color-light);
    padding: 20px 25px;
    border-radius: var(--border-radius);
    margin: 20px 0;
}

.version-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.version-info ul li {
    padding: 8px 0;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.1);
}

.version-info ul li:last-child {
    border-bottom: none;
}

.article-footer {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    margin: 50px 0 30px;
    text-align: center;
}

.article-footer p {
    margin: 10px 0;
    color: var(--color-white);
}

.article-footer em {
    color: var(--color-secondary-1);
}

.article-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* 响应式 - 移动端 */
@media (max-width: 768px) {
    .article-meta {
        gap: 10px;
    }
    
    .article-category,
    .article-date,
    .article-views {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .article-body {
        font-size: 15px;
    }
    
    .article-body h2 {
        font-size: 24px;
        margin: 30px 0 15px;
    }
    
    .article-body h3 {
        font-size: 20px;
        margin: 25px 0 12px;
    }
    
    .article-callout {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }
    
    .article-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}