/* CSS变量定义 */
:root {
    --color-primary: #777c78;
    --color-secondary: #2a3e32;
    --color-accent: #a2948b;
    --color-dark: #2d2927;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    
    --font-primary: 'Noto Sans SC', sans-serif;
    --font-heading: 'Orbitron', sans-serif;
    
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

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

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

.section {
    padding: 80px 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--color-secondary);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title i {
    margin-right: 10px;
    color: var(--color-accent);
}

/* 头部导航 */
.header {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 100%);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    transition: var(--transition);
}

.logo a:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

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

/* 英雄区 */
.hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-dark) 100%);
    color: var(--color-white);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(162, 148, 139, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-text {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 20px;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.version-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(45, 41, 39, 0.5);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.version-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}

.version-item i {
    color: var(--color-accent);
}

.game-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tag {
    padding: 8px 16px;
    background: rgba(162, 148, 139, 0.2);
    border: 1px solid var(--color-accent);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--color-white);
    transition: var(--transition);
}

.tag:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-primary);
}

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

.btn-primary:hover {
    background: #b8a89d;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-dark);
    transform: translateY(-3px);
}

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

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

.news-card {
    background: var(--color-white);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 20px;
    transition: var(--transition);
    border-left: 4px solid var(--color-accent);
}

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

.news-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    padding: 10px;
    background: var(--color-secondary);
    color: var(--color-white);
    border-radius: 8px;
    text-align: center;
}

.date-day {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

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

.news-content {
    flex: 1;
}

.news-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--color-secondary);
    font-weight: 600;
}

.news-excerpt {
    color: var(--color-text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.news-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.news-link:hover {
    gap: 10px;
    color: var(--color-secondary);
}

/* 媒体画廊 */
.gallery {
    background: linear-gradient(to bottom, var(--color-light) 0%, var(--color-white) 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 16/9;
    cursor: pointer;
}

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

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 41, 39, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-btn {
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-btn:hover {
    transform: scale(1.1);
    background: var(--color-secondary);
}

/* 灯箱 */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 10px;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 50px;
    color: var(--color-white);
    font-size: 3rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--color-accent);
    transform: scale(1.2);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(162, 148, 139, 0.5);
    color: var(--color-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--color-accent);
    transform: translateY(-50%) scale(1.1);
}

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

.reviews-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.stats-item {
    text-align: center;
}

.stats-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-heading);
}

.stats-label {
    color: var(--color-text-light);
    margin-top: 5px;
    font-size: 0.95rem;
}

.stars {
    color: #ffc107;
    margin-top: 10px;
    font-size: 1.2rem;
}

.review-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.review-tag {
    padding: 8px 16px;
    background: var(--color-light);
    border: 1px solid var(--color-primary);
    border-radius: 20px;
    color: var(--color-secondary);
    font-size: 0.9rem;
}

.reviews-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto 30px;
    overflow: hidden;
}

.review-card {
    display: none;
    background: var(--color-white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--color-accent);
}

.review-card.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

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

.review-rating {
    color: #ffc107;
    font-size: 0.9rem;
}

.review-date {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.review-text {
    color: var(--color-text);
    line-height: 1.8;
    font-size: 1rem;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.carousel-btn {
    background: var(--color-secondary);
    color: var(--color-white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.carousel-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active,
.dot:hover {
    background: var(--color-accent);
    transform: scale(1.2);
}

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

.updates-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.updates-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-primary);
}

.update-item {
    position: relative;
    margin-bottom: 40px;
    background: var(--color-white);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    margin-left: 30px;
}

.update-item::before {
    content: '';
    position: absolute;
    left: -45px;
    top: 30px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 3px var(--color-primary);
}

.update-date {
    position: absolute;
    left: -120px;
    top: 20px;
    text-align: right;
    min-width: 80px;
}

.update-day {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1;
}

.update-month {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 5px;
}

.update-year {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 3px;
}

.update-version {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
}

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

.update-meta span {
    color: var(--color-text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.update-download {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.update-download:hover {
    color: var(--color-secondary);
    gap: 10px;
}

.update-list {
    list-style: none;
    padding-left: 0;
}

.update-list li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--color-text);
}

.update-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.2rem;
}

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

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

.faq-item {
    margin-bottom: 15px;
    border: 1px solid var(--color-primary);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

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

.faq-question {
    width: 100%;
    padding: 20px;
    background: var(--color-light);
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    font-family: var(--font-primary);
}

.faq-question:hover {
    background: rgba(162, 148, 139, 0.1);
}

.faq-question i {
    transition: var(--transition);
    color: var(--color-accent);
}

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

.faq-answer {
    display: none;
    padding: 20px;
    background: var(--color-white);
}

.faq-item.active .faq-answer {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-answer p {
    color: var(--color-text);
    line-height: 1.8;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

/* 页脚 */
.footer {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 60px 0 20px;
}

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

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--color-accent);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--color-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        padding: 15px 0;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .version-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .version-item {
        justify-content: center;
    }
    
    .reviews-stats {
        gap: 30px;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .updates-timeline {
        padding-left: 20px;
    }
    
    .update-item {
        margin-left: 20px;
    }
    
    .update-date {
        position: static;
        display: flex;
        gap: 10px;
        margin-bottom: 15px;
        text-align: left;
    }
    
    .update-day,
    .update-month,
    .update-year {
        display: inline;
    }
    
    .updates-timeline::before {
        left: 5px;
    }
    
    .update-item::before {
        left: -25px;
    }
    
    .lightbox-close {
        top: 20px;
        right: 20px;
        font-size: 2rem;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .lightbox-prev {
        left: 15px;
    }
    
    .lightbox-next {
        right: 15px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .news-card {
        flex-direction: column;
    }
    
    .news-date {
        flex-direction: row;
        justify-content: center;
        min-width: auto;
        width: 100%;
    }
    
    .date-day {
        margin-right: 10px;
    }
}