/* ===========================
   CSS Variables & Reset
   =========================== */

:root {
    /* 主题配色 */
    --color-primary: #080d13;
    --color-secondary-1: #c7d2d9;
    --color-secondary-2: #6f8ea3;
    --color-secondary-3: #5c7890;
    
    /* 扩展配色 */
    --color-accent: #4a90e2;
    --color-success: #52c41a;
    --color-warning: #faad14;
    --color-danger: #f5222d;
    
    /* 文字颜色 */
    --color-text-primary: #ffffff;
    --color-text-secondary: #c7d2d9;
    --color-text-muted: #8899aa;
    
    /* 背景色 */
    --color-bg-dark: #0a0e14;
    --color-bg-darker: #050810;
    --color-bg-card: rgba(12, 17, 24, 0.9);
    --color-bg-overlay: rgba(8, 13, 19, 0.95);
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* 字体 */
    --font-primary: 'Noto Sans SC', sans-serif;
    --font-heading: 'Rajdhani', 'Noto Sans SC', sans-serif;
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--color-bg-darker) 0%, var(--color-primary) 100%);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ===========================
   Container & Layout
   =========================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-secondary-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title i {
    margin-right: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-secondary-2) 0%, var(--color-secondary-3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===========================
   Header & Navigation
   =========================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-bg-overlay);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    transition: all var(--transition-fast);
}

.logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo:hover {
    color: var(--color-secondary-2);
    transform: translateY(-2px);
}

.nav-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-list a {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
    font-size: 0.9rem;
}

.nav-list a:hover {
    background: rgba(111, 142, 163, 0.2);
    color: var(--color-secondary-2);
    transform: translateY(-2px);
}

.nav-list a i {
    font-size: 0.85rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

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

/* ===========================
   Hero Section
   =========================== */

.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(111, 142, 163, 0.15), transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(92, 120, 144, 0.1), transparent 50%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInLeft 1s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-secondary-1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-secondary-2);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(111, 142, 163, 0.2);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.meta-item i {
    color: var(--color-secondary-2);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(111, 142, 163, 0.3) 0%, rgba(92, 120, 144, 0.2) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(111, 142, 163, 0.3);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.feature-tag:hover {
    transform: translateY(-2px);
    border-color: var(--color-secondary-2);
    box-shadow: var(--shadow-sm);
}

.feature-tag i {
    color: var(--color-secondary-2);
}

.hero-image {
    animation: fadeInRight 1s ease;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-medium);
}

.hero-image img:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary-2) 0%, var(--color-secondary-3) 100%);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(111, 142, 163, 0.2);
    color: var(--color-text-primary);
    border-color: var(--color-secondary-2);
}

.btn-secondary:hover {
    background: rgba(111, 142, 163, 0.3);
    transform: translateY(-3px);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.2rem;
}

/* ===========================
   News Section
   =========================== */

.news-section {
    background: rgba(12, 17, 24, 0.5);
}

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

.news-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-secondary-2);
}

.news-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(111, 142, 163, 0.3);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--color-secondary-2);
    margin-bottom: var(--spacing-sm);
}

.news-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.news-content {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-secondary-2);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.news-link:hover {
    gap: 0.75rem;
    color: var(--color-text-primary);
}

/* ===========================
   Gallery Section
   =========================== */

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

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

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(8, 13, 19, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-medium);
}

.gallery-overlay i {
    font-size: 3rem;
    color: var(--color-text-primary);
    transform: scale(0.5);
    transition: all var(--transition-medium);
}

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

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

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

/* ===========================
   Reviews Section
   =========================== */

.reviews-section {
    background: rgba(12, 17, 24, 0.5);
}

.reviews-stats {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.rating-score {
    font-size: 4rem;
    font-weight: 900;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.rating-stars {
    font-size: 1.5rem;
    color: #ffd700;
    margin-bottom: var(--spacing-xs);
}

.rating-count {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.rating-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.rating-tags .tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(111, 142, 163, 0.2);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    border: 1px solid rgba(111, 142, 163, 0.3);
    transition: all var(--transition-fast);
}

.rating-tags .tag:hover {
    background: rgba(111, 142, 163, 0.3);
    border-color: var(--color-secondary-2);
    transform: translateY(-2px);
}

.rating-tags .tag i {
    color: var(--color-secondary-2);
}

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

.review-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary-2);
}

.review-header {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.review-avatar {
    font-size: 3rem;
    color: var(--color-secondary-2);
}

.review-info {
    flex: 1;
}

.review-name {
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

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

.review-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-style: italic;
}

/* ===========================
   Versions Section
   =========================== */

.versions-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.version-item {
    display: flex;
    gap: var(--spacing-lg);
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.version-item::before {
    content: '';
    position: absolute;
    left: 45px;
    top: 60px;
    width: 2px;
    height: calc(100% + var(--spacing-xl));
    background: linear-gradient(180deg, var(--color-secondary-2) 0%, transparent 100%);
}

.version-item:last-child::before {
    display: none;
}

.version-badge {
    position: absolute;
    top: 0;
    left: 0;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #52c41a 0%, #389e0d 100%);
    color: white;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.version-content {
    flex: 1;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border: 1px solid rgba(111, 142, 163, 0.1);
    margin-left: 90px;
}

.version-content:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary-2);
}

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

.version-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-secondary-2);
}

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

.version-changes {
    margin-bottom: var(--spacing-md);
}

.version-changes li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.version-changes li i {
    margin-top: 0.25rem;
    color: var(--color-secondary-2);
    flex-shrink: 0;
}

.version-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(111, 142, 163, 0.2);
}

.version-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.version-meta i {
    color: var(--color-secondary-2);
}

/* ===========================
   Guide Section
   =========================== */

.guide-section {
    background: rgba(12, 17, 24, 0.5);
}

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

.guide-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border: 1px solid rgba(111, 142, 163, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-secondary-2);
}

.guide-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(111, 142, 163, 0.3) 0%, rgba(92, 120, 144, 0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-secondary-2);
    transition: all var(--transition-medium);
}

.guide-card:hover .guide-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-md);
}

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

.guide-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    flex: 1;
}

.guide-difficulty {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(111, 142, 163, 0.2);
}

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

.difficulty-stars {
    color: #ffd700;
    font-size: 0.9rem;
}

/* ===========================
   Chapters Section
   =========================== */

.chapters-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.chapter-item {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

.chapter-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-secondary-2);
}

.chapter-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.chapter-number {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--color-secondary-2) 0%, var(--color-secondary-3) 100%);
    color: var(--color-text-primary);
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.chapter-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text-primary);
    flex: 1;
    min-width: 200px;
}

.chapter-badges {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-main {
    background: rgba(74, 144, 226, 0.3);
    color: #4a90e2;
    border: 1px solid rgba(74, 144, 226, 0.5);
}

.badge-character {
    background: rgba(250, 173, 20, 0.3);
    color: #faad14;
    border: 1px solid rgba(250, 173, 20, 0.5);
}

.badge-important {
    background: rgba(245, 34, 45, 0.3);
    color: #f5222d;
    border: 1px solid rgba(245, 34, 45, 0.5);
}

.chapter-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.chapter-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(111, 142, 163, 0.2);
}

.chapter-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.chapter-meta i {
    color: var(--color-secondary-2);
    width: 16px;
}

/* ===========================
   FAQ Section
   =========================== */

.faq-section {
    background: rgba(12, 17, 24, 0.5);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

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

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    user-select: none;
}

.faq-question:hover {
    background: rgba(111, 142, 163, 0.1);
}

.faq-question i {
    color: var(--color-secondary-2);
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.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: 1000px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ===========================
   Footer
   =========================== */

.footer {
    background: var(--color-bg-darker);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(111, 142, 163, 0.2);
}

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

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.footer-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    padding: 0.25rem 0;
}

.footer-links a:hover {
    color: var(--color-secondary-2);
    padding-left: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(111, 142, 163, 0.2);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===========================
   Back to Top Button
   =========================== */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-secondary-2) 0%, var(--color-secondary-3) 100%);
    color: var(--color-text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ===========================
   Lightbox
   =========================== */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.lightbox-close {
    top: 30px;
    right: 30px;
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

/* ===========================
   Animations
   =========================== */

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--color-bg-overlay);
        backdrop-filter: blur(10px);
        padding: var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-list a {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .news-grid,
    .gallery-grid,
    .guide-grid {
        grid-template-columns: 1fr;
    }
    
    .version-content {
        margin-left: 0;
    }
    
    .version-item::before {
        display: none;
    }
    
    .reviews-carousel {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .lightbox-prev,
    .lightbox-next {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* ===========================
   Page Header (for subpages)
   =========================== */

.page-header {
    padding: calc(80px + var(--spacing-xxl)) 0 var(--spacing-xxl);
    background: linear-gradient(135deg, rgba(111, 142, 163, 0.1) 0%, rgba(92, 120, 144, 0.05) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(111, 142, 163, 0.1), transparent 70%);
    z-index: 0;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-secondary-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-title i {
    margin-right: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
}

/* ===========================
   Content Section (for subpages)
   =========================== */

.content-section {
    max-width: 1000px;
    margin: 0 auto;
}

/* ===========================
   Legal Pages Styles
   =========================== */

.legal-header {
    padding: var(--spacing-lg);
    background: rgba(111, 142, 163, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--color-secondary-2);
}

.legal-header p {
    margin: 0.5rem 0;
    color: var(--color-text-secondary);
}

.legal-alert {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(250, 173, 20, 0.1);
    border: 2px solid rgba(250, 173, 20, 0.3);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.legal-alert i {
    font-size: 2rem;
    color: #faad14;
    flex-shrink: 0;
}

.legal-alert strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.legal-content {
    line-height: 1.8;
}

.legal-section {
    margin-bottom: var(--spacing-xxl);
}

.legal-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-secondary-2);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(111, 142, 163, 0.3);
}

.legal-section h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.legal-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-md) 0 var(--spacing-xs);
}

.legal-section p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.legal-section ul,
.legal-section ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
    color: var(--color-text-secondary);
}

.legal-section li {
    margin-bottom: var(--spacing-xs);
    list-style: disc;
}

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

.legal-section ul ul,
.legal-section ol ul {
    margin-top: var(--spacing-xs);
}

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

.legal-section a:hover {
    color: var(--color-text-primary);
}

.note-box,
.tip-box,
.warning-box {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.note-box {
    background: rgba(74, 144, 226, 0.1);
    border-left: 4px solid #4a90e2;
}

.tip-box {
    background: rgba(82, 196, 26, 0.1);
    border-left: 4px solid #52c41a;
}

.warning-box {
    background: rgba(250, 173, 20, 0.1);
    border-left: 4px solid #faad14;
}

.note-box i,
.tip-box i,
.warning-box i {
    margin-right: 0.5rem;
}

.legal-footer {
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid rgba(111, 142, 163, 0.3);
    text-align: center;
}

.legal-footer p {
    margin: 0.5rem 0;
    color: var(--color-text-muted);
}

.related-links {
    margin-top: var(--spacing-md);
}

.related-links a {
    color: var(--color-secondary-2);
    padding: 0 var(--spacing-sm);
}

.related-links a:hover {
    color: var(--color-text-primary);
}

.related-links span {
    color: var(--color-text-muted);
}

/* ===========================
   FAQ Categories
   =========================== */

.faq-categories {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.faq-category {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

.category-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-secondary-2);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.category-title i {
    font-size: 1.4rem;
}

/* ===========================
   Manual & Support Styles
   =========================== */

.manual-intro,
.support-intro,
.feedback-intro {
    padding: var(--spacing-lg);
    background: rgba(111, 142, 163, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.manual-content {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.manual-toc {
    position: sticky;
    top: 100px;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

.manual-toc h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary-2);
}

.manual-toc ul {
    list-style: none;
    padding: 0;
}

.manual-toc li {
    margin-bottom: var(--spacing-xs);
}

.manual-toc a {
    display: block;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.manual-toc a:hover {
    background: rgba(111, 142, 163, 0.2);
    color: var(--color-text-primary);
    padding-left: 1rem;
}

.manual-sections {
    flex: 1;
}

.manual-section {
    margin-bottom: var(--spacing-xxl);
    scroll-margin-top: 100px;
}

.manual-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-secondary-2);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.content-block {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

.content-block h3 {
    font-size: 1.3rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.content-block h4 {
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
}

.requirement-card {
    padding: var(--spacing-md);
    background: rgba(111, 142, 163, 0.1);
    border-radius: var(--radius-md);
    border: 1px solid rgba(111, 142, 163, 0.2);
}

.requirement-card h4 {
    color: var(--color-secondary-2);
    margin-bottom: var(--spacing-sm);
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.control-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: rgba(111, 142, 163, 0.1);
    border-radius: var(--radius-md);
    text-align: center;
}

.key {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--color-secondary-2) 0%, var(--color-secondary-3) 100%);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: var(--font-heading);
}

.desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ===========================
   Support & Feedback Styles
   =========================== */

.support-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.support-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

.support-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(111, 142, 163, 0.3) 0%, rgba(92, 120, 144, 0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-secondary-2);
    margin-bottom: var(--spacing-md);
}

.support-card h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.support-content h4 {
    font-size: 1.2rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary-2);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(111, 142, 163, 0.1);
    border-radius: var(--radius-md);
    border: 1px solid rgba(111, 142, 163, 0.2);
}

.contact-item i {
    font-size: 2rem;
    color: var(--color-secondary-2);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.response-time {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* Feedback Form Styles */
.feedback-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feedback-type-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(111, 142, 163, 0.1);
    transition: all var(--transition-medium);
}

.feedback-type-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary-2);
}

.feedback-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.feedback-icon.bug {
    background: rgba(245, 34, 45, 0.2);
    color: #f5222d;
}

.feedback-icon.suggestion {
    background: rgba(250, 173, 20, 0.2);
    color: #faad14;
}

.feedback-icon.content {
    background: rgba(74, 144, 226, 0.2);
    color: #4a90e2;
}

.feedback-type-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feedback-form-container {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(111, 142, 163, 0.1);
    margin-bottom: var(--spacing-xl);
}

.feedback-form-container h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary-2);
}

.feedback-form {
    margin-top: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-group .required {
    color: #f5222d;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(111, 142, 163, 0.1);
    border: 1px solid rgba(111, 142, 163, 0.3);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary-2);
    background: rgba(111, 142, 163, 0.15);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.file-upload-area {
    border: 2px dashed rgba(111, 142, 163, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: rgba(111, 142, 163, 0.05);
}

.file-upload-area:hover {
    border-color: var(--color-secondary-2);
    background: rgba(111, 142, 163, 0.1);
}

.file-upload-area i {
    font-size: 3rem;
    color: var(--color-secondary-2);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.form-tips {
    padding: var(--spacing-md);
    background: rgba(74, 144, 226, 0.1);
    border-left: 4px solid #4a90e2;
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.form-tips h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.form-success {
    text-align: center;
    padding: var(--spacing-xxl);
}

.success-icon {
    font-size: 5rem;
    color: #52c41a;
    margin-bottom: var(--spacing-md);
}

.form-success h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feedback-guidelines,
.alternative-contacts {
    margin-top: var(--spacing-xl);
}

.feedback-guidelines h2,
.alternative-contacts h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-secondary-2);
}

.guideline-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(111, 142, 163, 0.1);
}

.guideline-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

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

.contact-option {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(111, 142, 163, 0.1);
    transition: all var(--transition-medium);
}

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

.contact-option i {
    font-size: 3rem;
    color: var(--color-secondary-2);
    display: block;
    margin-bottom: var(--spacing-md);
}

.contact-option h4 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

/* Help Box */
.help-box {
    background: linear-gradient(135deg, rgba(111, 142, 163, 0.2) 0%, rgba(92, 120, 144, 0.1) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-xxl);
    border: 2px solid rgba(111, 142, 163, 0.3);
}

.help-box h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.help-box p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-secondary);
}

.help-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ===========================
   Print Styles
   =========================== */

@media print {
    .header,
    .hamburger,
    .back-to-top,
    .lightbox {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* ===========================
   Article Pages Styles
   =========================== */

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.article-category,
.article-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(111, 142, 163, 0.2);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

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

.article-body {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(111, 142, 163, 0.1);
    margin-bottom: var(--spacing-xl);
}

.article-body .lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(111, 142, 163, 0.1);
    border-left: 4px solid var(--color-secondary-2);
    border-radius: var(--radius-md);
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-secondary-2);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(111, 142, 163, 0.3);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-body h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-md) 0 var(--spacing-xs);
}

.article-body p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.article-body ul,
.article-body ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
}

.article-body li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.article-image {
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.article-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.image-caption {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.character-grid,
.ending-grid,
.reward-grid,
.guide-overview,
.route-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.character-card,
.ending-card,
.reward-card,
.overview-card,
.route-card {
    background: rgba(111, 142, 163, 0.1);
    border: 1px solid rgba(111, 142, 163, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-medium);
}

.character-card:hover,
.ending-card:hover,
.reward-card:hover,
.overview-card:hover,
.route-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-secondary-2);
    box-shadow: var(--shadow-md);
}

.character-card h4,
.ending-card h4,
.reward-card h4,
.overview-card h3,
.route-card h4 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.reward-icon,
.overview-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-secondary-2) 0%, var(--color-secondary-3) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin: 0 auto var(--spacing-md);
}

.download-box,
.feature-box,
.event-banner,
.cta-box,
.final-cta {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(111, 142, 163, 0.2) 0%, rgba(92, 120, 144, 0.1) 100%);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(111, 142, 163, 0.3);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.download-box h4,
.feature-box h4,
.cta-box h4,
.final-cta h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.version-info {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
    text-align: left;
}

.version-info li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
}

.quest-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(111, 142, 163, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.community-activities {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.activity-item {
    background: rgba(111, 142, 163, 0.1);
    border-left: 4px solid var(--color-secondary-2);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.schedule-box {
    margin: var(--spacing-lg) 0;
}

.schedule-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(111, 142, 163, 0.2);
}

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

.schedule-date {
    min-width: 150px;
    font-weight: 600;
    color: var(--color-secondary-2);
}

.schedule-content h4 {
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.faq-simple {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.faq-item-simple {
    padding: var(--spacing-md);
    background: rgba(111, 142, 163, 0.1);
    border-radius: var(--radius-md);
}

.faq-item-simple h4 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.tip-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.tip-item {
    display: flex;
    gap: var(--spacing-md);
}

.tip-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-secondary-2) 0%, var(--color-secondary-3) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.tip-content h4 {
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.access-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.method-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(111, 142, 163, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.method-card h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.contributors-box,
.update-note {
    padding: var(--spacing-md);
    background: rgba(82, 196, 26, 0.1);
    border-left: 4px solid #52c41a;
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.article-body .note {
    display: block;
    padding: var(--spacing-md);
    background: rgba(74, 144, 226, 0.1);
    border-left: 4px solid #4a90e2;
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.tags-box {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid rgba(111, 142, 163, 0.2);
}

.tags-box .tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(111, 142, 163, 0.2);
    border: 1px solid rgba(111, 142, 163, 0.3);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.tags-box .tag:hover {
    background: rgba(111, 142, 163, 0.3);
    border-color: var(--color-secondary-2);
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===========================
   Responsive - Subpages
   =========================== */

@media (max-width: 1024px) {
    .manual-content {
        grid-template-columns: 1fr;
    }
    
    .manual-toc {
        position: static;
        margin-bottom: var(--spacing-lg);
    }
    
    .character-grid,
    .ending-grid,
    .reward-grid,
    .guide-overview,
    .route-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .article-body {
        padding: var(--spacing-lg);
    }
    
    .article-nav {
        flex-direction: column;
    }
    
    .article-nav .btn {
        width: 100%;
    }
    
    .schedule-item {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .tip-item {
        flex-direction: column;
    }
}