/* ==========================================
   CSS变量 - 主题色管理
   ========================================== */
:root {
    --color-primary: #d2bec4;
    --color-secondary-1: #453a3c;
    --color-secondary-2: #958636;
    --color-secondary-3: #913e36;
    --color-bg-light: #f8f5f6;
    --color-bg-dark: #2a2528;
    --color-text-dark: #2d2425;
    --color-text-light: #ffffff;
    --color-text-gray: #6b5f61;
    --transition-speed: 0.3s;
    --border-radius: 12px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

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

body {
    font-family: 'Noto Sans SC', 'Poppins', sans-serif;
    color: var(--color-text-dark);
    background-color: var(--color-bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ==========================================
   返回顶部按钮
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-secondary-2), var(--color-secondary-3));
    color: var(--color-text-light);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed);
    z-index: 999;
    box-shadow: var(--box-shadow);
}

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

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

/* ==========================================
   头部导航
   ========================================== */
.header {
    background: linear-gradient(135deg, var(--color-secondary-1), var(--color-bg-dark));
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.navbar {
    padding: 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text-light);
    font-size: 1.5rem;
    font-weight: 700;
    transition: transform var(--transition-speed);
}

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

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-menu li a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    color: var(--color-text-light);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-speed);
    font-weight: 500;
}

.nav-menu li a i {
    font-size: 0.9rem;
}

.nav-menu li a:hover {
    background-color: rgba(210, 190, 196, 0.2);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-light);
    border-radius: 3px;
    transition: all var(--transition-speed);
}

/* ==========================================
   英雄区
   ========================================== */
.hero {
    background: linear-gradient(135deg, rgba(210, 190, 196, 0.85), rgba(232, 220, 224, 0.85)), url('img/游戏截图4.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 0;
    text-align: center;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-secondary-1);
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--color-secondary-2);
    margin-bottom: 15px;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-text-gray);
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    color: var(--color-secondary-1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-speed);
}

.feature-tag:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.feature-tag i {
    color: var(--color-secondary-3);
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 35px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.6);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
}

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

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-secondary-2), var(--color-secondary-3));
    color: var(--color-text-light);
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed);
}

.download-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--box-shadow-hover);
}

/* ==========================================
   通用区块标题
   ========================================== */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary-1);
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-secondary-2), var(--color-secondary-3));
    border-radius: 2px;
}

.section-title i {
    margin-right: 10px;
    color: var(--color-secondary-3);
}

/* ==========================================
   最新动态区
   ========================================== */
.news-section {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}

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

.news-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed);
}

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

.news-date {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-secondary-2);
    font-size: 0.9rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.news-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-secondary-1);
    margin-bottom: 15px;
}

.news-content {
    color: var(--color-text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-secondary-3);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed);
}

.news-link:hover {
    color: var(--color-secondary-2);
    gap: 12px;
}

/* ==========================================
   游戏截图画廊
   ========================================== */
.gallery-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0e8ea, #e8dce0);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

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

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

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(69, 58, 60, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-speed);
}

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

.gallery-overlay i {
    font-size: 3rem;
    color: var(--color-text-light);
}

/* ==========================================
   用户评价区
   ========================================== */
.reviews-section {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}

.reviews-stats {
    background: linear-gradient(135deg, var(--color-primary), #e8dce0);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
    box-shadow: var(--box-shadow);
}

.rating-overview {
    text-align: center;
    margin-bottom: 30px;
}

.rating-score {
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-secondary-3);
    line-height: 1;
    margin-bottom: 10px;
}

.rating-stars {
    font-size: 1.8rem;
    color: var(--color-secondary-2);
    margin-bottom: 10px;
}

.rating-count {
    color: var(--color-text-gray);
    font-size: 1rem;
}

.rating-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.rating-tags .tag {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-secondary-1);
}

.reviews-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.review-card {
    background-color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed);
}

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

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

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.reviewer-info i {
    font-size: 1.8rem;
    color: var(--color-primary);
}

.reviewer-name {
    font-weight: 600;
    color: var(--color-secondary-1);
}

.review-rating {
    color: var(--color-secondary-2);
    font-size: 0.9rem;
}

.review-text {
    color: var(--color-text-gray);
    line-height: 1.7;
    margin-bottom: 15px;
}

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

/* ==========================================
   章节介绍区
   ========================================== */
.chapters-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0e8ea, var(--color-bg-light));
}

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

.chapter-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    transition: all var(--transition-speed);
    border-top: 4px solid var(--color-secondary-2);
}

.chapter-card.main-chapter {
    border-top-color: var(--color-secondary-3);
}

.chapter-card.character-chapter {
    border-top-color: var(--color-secondary-2);
}

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

.chapter-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, var(--color-secondary-2), var(--color-secondary-3));
    color: var(--color-text-light);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.chapter-number {
    color: var(--color-secondary-2);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.chapter-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary-1);
    margin-bottom: 15px;
}

.chapter-description {
    color: var(--color-text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.chapter-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
}

.chapter-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--color-text-gray);
}

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

.chapter-importance {
    color: var(--color-secondary-2);
    font-size: 1.2rem;
    text-align: right;
}

/* ==========================================
   游戏攻略区
   ========================================== */
.guides-section {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}

.guides-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: white;
    color: var(--color-secondary-1);
    border: 2px solid var(--color-primary);
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-speed);
}

.filter-btn:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-secondary-2), var(--color-secondary-3));
    color: white;
    border-color: var(--color-secondary-3);
}

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

.guide-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.guide-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), #e8dce0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.guide-icon i {
    font-size: 2.5rem;
    color: var(--color-secondary-3);
}

.guide-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-secondary-1);
    margin-bottom: 15px;
}

.guide-description {
    color: var(--color-text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
    text-align: left;
}

.guide-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.guide-meta span {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--color-text-gray);
}

.difficulty {
    color: var(--color-secondary-2);
    font-weight: 600;
}

.recommend {
    color: var(--color-secondary-3);
    font-weight: 600;
}

/* ==========================================
   版本历史区
   ========================================== */
.versions-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0e8ea, #e8dce0);
}

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

.version-card {
    background-color: white;
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    transition: all var(--transition-speed);
    border-left: 5px solid var(--color-secondary-2);
}

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

.version-badge {
    position: absolute;
    top: -12px;
    right: 30px;
    background: linear-gradient(135deg, var(--color-secondary-2), var(--color-secondary-3));
    color: var(--color-text-light);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.version-badge.current {
    animation: pulse 2s infinite;
}

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

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.version-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-secondary-1);
}

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

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

.version-info span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-gray);
    font-size: 0.95rem;
}

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

.version-content h4 {
    color: var(--color-secondary-1);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.version-content ul {
    list-style: none;
    padding-left: 0;
}

.version-content ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--color-text-gray);
    line-height: 1.8;
    margin-bottom: 10px;
}

.version-content ul li i {
    color: var(--color-secondary-3);
    margin-top: 5px;
}

.version-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-secondary-2), var(--color-secondary-3));
    color: var(--color-text-light);
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    margin-top: 20px;
    transition: all var(--transition-speed);
}

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

/* ==========================================
   常见问题区
   ========================================== */
.faq-section {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: white;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: all var(--transition-speed);
}

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

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px;
    cursor: pointer;
    background-color: white;
    transition: all var(--transition-speed);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-secondary-1);
}

.faq-question:hover {
    background-color: var(--color-primary);
    color: white;
}

.faq-question i {
    transition: transform var(--transition-speed);
    color: var(--color-secondary-3);
}

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

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

.faq-item.active .faq-answer {
    max-height: 1000px;
    transition: max-height var(--transition-speed) ease-in;
}

.faq-answer p {
    padding: 0 25px 25px 55px;
    color: var(--color-text-gray);
    line-height: 1.8;
}

.faq-answer strong {
    color: var(--color-secondary-1);
    font-weight: 700;
}

/* ==========================================
   页脚
   ========================================== */
.footer {
    background: linear-gradient(135deg, var(--color-secondary-1), var(--color-bg-dark));
    color: var(--color-text-light);
    padding: 60px 0 20px;
}

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

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all var(--transition-speed);
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-disclaimer {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   响应式设计 - 移动端
   ========================================== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--color-secondary-1), var(--color-bg-dark));
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-speed);
    }

    .nav-menu.active {
        max-height: 600px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }

    .nav-menu li a {
        padding: 15px 20px;
        border-radius: 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-info {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .news-grid,
    .reviews-carousel,
    .chapters-grid,
    .guides-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 0;
    }

    .hero-title {
        font-size: 1.7rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .download-btn {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .feature-tag {
        padding: 8px 15px;
        font-size: 0.85rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 35px;
    }

    .news-card,
    .review-card,
    .chapter-card,
    .guide-card,
    .version-card {
        padding: 20px;
    }
}