/* ============================================
   基础样式与重置
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #48bff5;
    --primary-green: #96b45f;
    --primary-red: #c3241b;
    --dark-bg: #2c3e50;
    --light-bg: #f8f9fa;
    --text-dark: #333;
    --text-light: #666;
    --border-color: #eee;
    --shadow-light: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-medium: 0 10px 30px rgba(0,0,0,0.15);
    --transition-smooth: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* ============================================
   导航栏
   ============================================ */
.navbar {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.nav-logo img {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1rem;
    align-items: center;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    padding: 0.6rem 1rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu a:hover {
    background-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.download-btn {
    background-color: var(--primary-red) !important;
    color: white !important;
    padding: 0.7rem 1.5rem !important;
    border-radius: 25px !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(195,36,27,0.3);
}

.download-btn:hover {
    background-color: #a01e17 !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 6px 20px rgba(195,36,27,0.4);
}

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

.hamburger span {
    width: 28px;
    height: 3px;
    background-color: white;
    margin: 4px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* ============================================
   主页横幅 Hero
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 50%, var(--primary-blue) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="white" opacity="0.3"/></svg>') repeat;
    opacity: 0.1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(195,36,27,0.9);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(195,36,27,0.3);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 500;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255,255,255,0.15);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: var(--transition-smooth);
}

.stat-item:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 2rem;
    color: var(--primary-red);
}

.stat-info {
    text-align: left;
}

.stat-info strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-info span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-red);
    color: white;
    box-shadow: 0 6px 20px rgba(195,36,27,0.4);
}

.btn-primary:hover {
    background: #a01e17;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(195,36,27,0.5);
}

.btn-secondary {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

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

.hero-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: float 3s ease-in-out infinite;
    opacity: 0.8;
}

.hero-scroll-hint i {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hero-scroll-hint span {
    font-size: 0.9rem;
}

@keyframes float {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

/* ============================================
   通用 Section 样式
   ============================================ */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   故事背景 Section
   ============================================ */
.story-section {
    background: white;
    position: relative;
}

.story-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.story-chapter {
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 15px;
    border-left: 4px solid var(--primary-blue);
    transition: var(--transition-smooth);
}

.story-chapter:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-light);
}

.chapter-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.story-chapter h3 {
    color: var(--primary-red);
    font-size: 1.6rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.story-chapter p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.story-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-box {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-smooth);
}

.feature-box:hover {
    transform: translateY(-10px);
}

.feature-icon-large {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-box h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-box p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ============================================
   游戏角色 Section
   ============================================ */
.characters-section {
    background: var(--light-bg);
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.character-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-smooth);
}

.character-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.character-avatar {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-placeholder {
    font-size: 5rem;
    color: rgba(255,255,255,0.3);
}

.character-badge {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: var(--primary-red);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.character-info {
    padding: 2rem;
}

.character-info h3 {
    color: var(--primary-red);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.character-traits {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.trait {
    background: var(--light-bg);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.trait i {
    color: var(--primary-blue);
}

.character-info p {
    color: var(--text-light);
    line-height: 1.7;
}

.relationship-tip {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    padding: 2rem;
    border-radius: 20px;
    display: flex;
    gap: 2rem;
    align-items: center;
    color: white;
    box-shadow: var(--shadow-medium);
}

.tip-icon {
    font-size: 3rem;
    color: rgba(255,255,255,0.9);
}

.tip-content h4 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.tip-content p {
    opacity: 0.95;
    line-height: 1.7;
}

/* ============================================
   游戏玩法 Section
   ============================================ */
.gameplay-section {
    background: white;
}

.gameplay-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.gameplay-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 20px;
    border-top: 4px solid var(--primary-blue);
    transition: var(--transition-smooth);
}

.gameplay-card.featured {
    background: linear-gradient(135deg, rgba(72,191,245,0.1), rgba(150,180,95,0.1));
    border-top: 4px solid var(--primary-red);
    grid-column: span 2;
}

.gameplay-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.gameplay-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.gameplay-card.featured .gameplay-icon {
    color: var(--primary-red);
}

.gameplay-content h3 {
    color: var(--primary-red);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.gameplay-desc {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.gameplay-features {
    list-style: none;
    margin-bottom: 1rem;
}

.gameplay-features li {
    padding: 0.8rem 0;
    color: var(--text-light);
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

.gameplay-features li:last-child {
    border-bottom: none;
}

.gameplay-features i {
    color: var(--primary-blue);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.gameplay-highlight {
    background: var(--primary-red);
    color: white;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    font-weight: 600;
    margin-top: 1.5rem;
}

/* ============================================
   攻略指南 Section
   ============================================ */
.guide-section {
    background: var(--light-bg);
}

.guide-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.guide-tab {
    background: white;
    border: 2px solid var(--border-color);
    padding: 1rem 2rem;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.guide-tab:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.guide-tab.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    border-color: transparent;
}

.guide-panel {
    display: none;
}

.guide-panel.active {
    display: block;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.guide-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    display: flex;
    gap: 1.5rem;
    transition: var(--transition-smooth);
}

.guide-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.guide-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    min-width: 60px;
    height: 60px;
    background: rgba(72,191,245,0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.guide-item.romance-tip .guide-number {
    background: rgba(195,36,27,0.1);
}

.romance-icon {
    font-size: 2.5rem;
    color: var(--primary-red);
    min-width: 60px;
}

.guide-info h4 {
    color: var(--primary-red);
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.guide-info h4 i {
    color: var(--primary-blue);
}

.guide-info p {
    color: var(--text-light);
    line-height: 1.7;
}

.guide-info strong {
    color: var(--text-dark);
    display: block;
    margin-top: 0.5rem;
}

.guide-cta {
    margin-top: 4rem;
    text-align: center;
}

.cta-content {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    padding: 3rem;
    border-radius: 20px;
    color: white;
    display: inline-block;
}

.cta-content i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-content h4 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.cta-content p {
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.btn-outline {
    background: white;
    color: var(--primary-blue);
    border: 2px solid white;
}

.btn-outline:hover {
    background: transparent;
    color: white;
}

/* ============================================
   成就系统 Section
   ============================================ */
.achievements-section {
    background: white;
}

.achievements-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.achievement-category {
    background: var(--light-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.category-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.category-header i {
    font-size: 2rem;
}

.category-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.achievement-list {
    padding: 1.5rem;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 0.8rem;
    background: white;
    border-radius: 10px;
    transition: var(--transition-smooth);
}

.achievement-item:last-child {
    margin-bottom: 0;
}

.achievement-item:hover {
    transform: translateX(10px);
}

.achievement-item.locked {
    opacity: 0.5;
}

.achievement-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.achievement-item.locked .achievement-icon {
    background: #ccc;
}

.achievement-info h5 {
    color: var(--primary-red);
    font-size: 1rem;
    margin-bottom: 0.2rem;
    font-weight: 600;
}

.achievement-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.achievement-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-box {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    padding: 2rem;
    border-radius: 15px;
    color: white;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-smooth);
}

.stat-box:hover {
    transform: translateY(-5px);
}

.stat-box .stat-icon {
    font-size: 3rem;
    opacity: 0.9;
}

.stat-data strong {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.3rem;
}

.stat-data span {
    font-size: 1rem;
    opacity: 0.9;
}

/* ============================================
   更新日志 Section
   ============================================ */
.updates-section {
    background: var(--light-bg);
}

.updates-timeline {
    max-width: 900px;
    margin: 0 auto 3rem;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 22px;
    top: 60px;
    bottom: -30px;
    width: 2px;
    background: var(--border-color);
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-marker {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-light);
    z-index: 1;
}

.timeline-item.current .timeline-marker {
    background: var(--primary-red);
    animation: pulse-marker 2s ease-in-out infinite;
}

@keyframes pulse-marker {
    0%, 100% { box-shadow: 0 0 0 0 rgba(195,36,27,0.4); }
    50% { box-shadow: 0 0 0 15px rgba(195,36,27,0); }
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.update-badge {
    display: inline-block;
    background: var(--primary-red);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content h3 {
    color: var(--primary-red);
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.update-date {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.update-category {
    margin-bottom: 1.5rem;
}

.update-category h4 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.update-category p,
.update-summary {
    color: var(--text-light);
    line-height: 1.7;
}

.update-category ul {
    list-style: none;
    margin: 0;
}

.update-category li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    color: var(--text-light);
    position: relative;
}

.update-category li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-size: 1.2rem;
}

.version-info-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-smooth);
}

.info-item:hover {
    transform: translateY(-5px);
}

.info-item i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.info-item strong {
    display: block;
    color: var(--text-dark);
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.info-item span {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* ============================================
   玩家评价 Section
   ============================================ */
.reviews-section {
    background: white;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.review-card {
    background: var(--light-bg);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

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

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.reviewer-info h4 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.review-rating {
    color: #ffa500;
}

.review-content {
    flex: 1;
    margin-bottom: 1rem;
}

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

.review-footer {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-light);
}

.review-time,
.review-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.reviews-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.summary-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
}

.summary-score {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.summary-label {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* ============================================
   下载区域 Section
   ============================================ */
.download-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    color: white;
}

.download-main {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.download-info-side {
    text-align: center;
}

.game-icon-large {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.game-icon-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.download-info-side h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.download-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.download-meta {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.meta-tag {
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.download-highlight h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.download-highlight p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.btn-download-large {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-red);
    color: white;
    padding: 1.5rem 3rem;
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 30px rgba(195,36,27,0.4);
    transition: var(--transition-smooth);
    margin-bottom: 1.5rem;
}

.btn-download-large:hover {
    background: #a01e17;
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(195,36,27,0.5);
}

.btn-download-large small {
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.9;
}

.download-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    font-size: 0.95rem;
}

.download-stats .stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.9;
}

.system-requirements {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.2);
    margin-bottom: 2rem;
}

.system-requirements h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.requirement-item {
    background: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.requirement-item strong {
    font-size: 0.95rem;
}

.requirement-item span {
    font-size: 0.9rem;
    opacity: 0.9;
    text-align: right;
}

.faq-quick {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.2);
}

.faq-quick h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.faq-quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.faq-quick-item {
    background: rgba(255,255,255,0.1);
    padding: 1.5rem;
    border-radius: 10px;
}

.faq-quick-item strong {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.faq-quick-item p {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.6;
}

.link-more {
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.link-more:hover {
    gap: 1rem;
}

/* ============================================
   FAQ页面样式
   ============================================ */
.faq-search-box {
    max-width: 600px;
    margin: 0 auto 3rem;
    position: relative;
}

.faq-search-box i {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.2rem;
}

.faq-search-box input {
    width: 100%;
    padding: 1.2rem 1.5rem 1.2rem 3.5rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.faq-search-box input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(72,191,245,0.1);
}

.faq-content {
    padding: 4rem 0;
    background: var(--light-bg);
}

.faq-categories {
    margin-bottom: 3rem;
}

.faq-categories .category {
    background: white;
    border-radius: 20px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

.category-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    color: white;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.category-header i {
    font-size: 2rem;
}

.category-header h2 {
    font-size: 1.6rem;
    margin: 0;
    font-weight: 600;
}

.faq-items {
    padding: 0;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

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

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-smooth);
}

.faq-question:hover {
    background: var(--light-bg);
}

.faq-question i {
    color: var(--primary-blue);
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(90deg);
}

.faq-question h3 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin: 0;
    font-weight: 600;
    flex: 1;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
    padding: 0 2rem 0 4.5rem;
}

.faq-item.active .faq-answer {
    max-height: 2000px;
    padding: 0 2rem 1.5rem 4.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.faq-answer ul,
.faq-answer ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.faq-answer li {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.faq-answer strong {
    color: var(--text-dark);
    font-weight: 600;
}

.faq-answer code {
    background: var(--light-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--primary-red);
}

.faq-answer .tip {
    background: rgba(72,191,245,0.1);
    border-left: 4px solid var(--primary-blue);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
}

.faq-answer .tip i {
    color: var(--primary-blue);
    margin-right: 0.5rem;
}

.faq-contact {
    margin-top: 4rem;
}

.contact-box {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.contact-box h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-box p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* ============================================
   404错误页面样式
   ============================================ */
.error-404 {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--light-bg) 0%, #e9ecef 100%);
}

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

.error-icon {
    font-size: 8rem;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    animation: bounce 2s ease-in-out infinite;
}

.error-title {
    font-size: 10rem;
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: 1rem;
    line-height: 1;
    text-shadow: 4px 4px 8px rgba(0,0,0,0.1);
}

.error-404 h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.error-message {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.error-suggestions {
    margin: 3rem 0;
}

.error-suggestions h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
}

.error-suggestions h3 i {
    color: var(--primary-blue);
}

.suggestion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.suggestion-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 15px;
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-light);
    border-top: 4px solid var(--primary-blue);
}

.suggestion-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.suggestion-card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.suggestion-card h4 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.suggestion-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.error-quote {
    margin-top: 4rem;
    padding: 2rem;
    background: rgba(72,191,245,0.1);
    border-radius: 15px;
    border-left: 4px solid var(--primary-blue);
    position: relative;
}

.error-quote .fa-quote-left {
    font-size: 2rem;
    color: var(--primary-blue);
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.error-quote p {
    font-size: 1.1rem;
    color: var(--text-dark);
    font-style: italic;
    margin: 0 0 1rem 0;
    padding-left: 2rem;
}

.error-quote span {
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: normal;
}

/* ============================================
   用户手册页面样式
   ============================================ */
.manual-content {
    padding: 4rem 0;
    background: var(--light-bg);
}

.manual-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

.manual-nav {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 100px;
}

.manual-nav h3 {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.manual-nav h3 i {
    color: var(--primary-blue);
}

.manual-nav ul {
    list-style: none;
}

.manual-nav li {
    margin-bottom: 0.5rem;
}

.manual-nav a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 10px;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.manual-nav a:hover {
    background: rgba(72,191,245,0.1);
    color: var(--primary-blue);
}

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

.manual-sections {
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

.manual-section {
    padding: 3rem;
    border-bottom: 1px solid var(--border-color);
}

.manual-section:last-child {
    border-bottom: none;
}

.manual-section h2 {
    color: var(--primary-red);
    font-size: 2rem;
    margin-bottom: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary-blue);
}

.manual-section h2 i {
    color: var(--primary-blue);
}

.section-content {
    color: var(--text-light);
    line-height: 1.8;
}

.content-block {
    margin-bottom: 2.5rem;
}

.content-block:last-child {
    margin-bottom: 0;
}

.content-block h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.steps-list {
    list-style: none;
    counter-reset: step-counter;
    margin: 1.5rem 0;
}

.steps-list li {
    counter-increment: step-counter;
    margin-bottom: 1rem;
    padding-left: 3rem;
    position: relative;
}

.steps-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.tip-box {
    background: rgba(72,191,245,0.1);
    border-left: 4px solid var(--primary-blue);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
    display: flex;
    gap: 1rem;
}

.tip-box i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    flex-shrink: 0;
}

.tip-box strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.tip-box.success {
    background: rgba(76,175,80,0.1);
    border-left-color: #4CAF50;
}

.tip-box.success i {
    color: #4CAF50;
}

.tip-box.warning {
    background: rgba(255,152,0,0.1);
    border-left-color: #FF9800;
}

.tip-box.warning i {
    color: #FF9800;
}

.tip-box.info {
    background: rgba(33,150,243,0.1);
    border-left-color: #2196F3;
}

.tip-box.info i {
    color: #2196F3;
}

.goals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.goal-card {
    background: var(--light-bg);
    padding: 2rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-smooth);
}

.goal-card:hover {
    background: rgba(72,191,245,0.1);
    transform: translateY(-5px);
}

.goal-card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.goal-card h4 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.goal-card p {
    font-size: 0.95rem;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.control-item {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.control-key {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(72,191,245,0.3);
}

.control-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.interface-guide {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.interface-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 12px;
}

.interface-item i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    flex-shrink: 0;
}

.interface-item strong {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    display: block;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.step-item {
    display: flex;
    gap: 1.5rem;
    align-items: start;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.crop-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.crop-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border-top: 4px solid var(--primary-blue);
}

.crop-icon {
    font-size: 3rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.crop-card h4 {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.crop-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    text-align: left;
}

.crop-stats span {
    font-size: 0.9rem;
    color: var(--text-light);
}

.crop-desc {
    text-align: left;
    font-size: 0.95rem;
    line-height: 1.6;
}

.fishing-spots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.spot-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
}

.spot-card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.spot-card h4 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.spot-card p {
    text-align: left;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.tips-list {
    list-style: none;
    margin: 1.5rem 0;
}

.tips-list li {
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 10px;
    margin-bottom: 1rem;
    display: flex;
    align-items: start;
    gap: 1rem;
}

.tips-list i {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.affection-levels {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.level-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 12px;
    border-left: 4px solid var(--primary-blue);
}

.level-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.level-info h4 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.level-info p {
    font-size: 0.95rem;
    margin: 0;
}

.gift-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.gift-category {
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 12px;
    text-align: center;
}

.gift-category i {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    color: var(--primary-blue);
}

.gift-category strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.building-projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.project-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border-top: 4px solid var(--primary-blue);
}

.project-card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.project-card h4 {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.project-requirements {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.project-requirements span {
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-requirements i {
    font-size: 1rem;
}

.project-card p {
    text-align: left;
    font-size: 0.95rem;
}

.income-sources {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.source-item {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.source-item i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.source-item h4 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.source-item p {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.income-rate {
    color: #FFA500;
    font-size: 1.2rem;
}

.expenses-list {
    list-style: none;
    margin: 1.5rem 0;
}

.expenses-list li {
    padding: 1rem 1rem 1rem 3rem;
    background: var(--light-bg);
    border-radius: 10px;
    margin-bottom: 0.8rem;
    position: relative;
}

.expenses-list i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-blue);
    font-size: 1.2rem;
}

.advanced-tips {
    display: grid;
    gap: 2rem;
}

.tip-card {
    background: var(--light-bg);
    border-radius: 15px;
    overflow: hidden;
}

.tip-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tip-header i {
    font-size: 2rem;
}

.tip-header h3 {
    font-size: 1.4rem;
    margin: 0;
    font-weight: 600;
}

.tip-content {
    padding: 2rem;
}

.tip-content p {
    margin-bottom: 1rem;
}

.tip-content ul {
    list-style: none;
    margin: 1rem 0;
}

.tip-content ul li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
}

.tip-content ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
}

.final-tip {
    background: linear-gradient(135deg, rgba(72,191,245,0.1), rgba(150,180,95,0.1));
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--primary-blue);
    text-align: center;
    margin-top: 2rem;
}

.final-tip i {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.final-tip h3 {
    color: var(--primary-red);
    font-size: 1.6rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.final-tip p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ============================================
   内页通用样式
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    color: white;
    padding: 150px 0 80px;
    text-align: center;
    margin-top: 0;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-header h1 i {
    margin-right: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.page-header p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.update-date {
    font-size: 0.95rem;
    opacity: 0.8;
    font-weight: 300;
    margin-top: 1rem;
}

/* ============================================
   页脚 Footer
   ============================================ */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 35px;
    height: 35px;
    border-radius: 8px;
}

.footer-logo span {
    font-size: 1.4rem;
    font-weight: 700;
}

.footer-info p {
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.footer-slogan {
    font-style: italic;
    color: var(--primary-blue);
}

.footer-links h4 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

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

.footer-links li {
    margin-bottom: 0.6rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-blue);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

/* ============================================
   返回顶部按钮
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--primary-red), #a01e17);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.3rem;
    box-shadow: 0 6px 20px rgba(195,36,27,0.4);
    transition: var(--transition-smooth);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}

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

.back-to-top:hover {
    background: linear-gradient(135deg, #a01e17, #8a1914);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(195,36,27,0.5);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
    .story-content,
    .download-main {
        grid-template-columns: 1fr;
    }
    
    .gameplay-card.featured {
        grid-column: span 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.15);
        padding: 2rem 0;
        gap: 0.5rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .characters-grid,
    .gameplay-grid,
    .guide-grid,
    .achievements-showcase {
        grid-template-columns: 1fr;
    }
    
    .guide-item {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links a:hover {
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

/* ============================================
   滚动条样式
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #3a9fd4, #7a9650);
}

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

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}