/* 
 * c7娱乐 - 游戏娱乐平台样式表
 * 独特的紫金配色方案 - 2026年设计风格
 * 移动端优先响应式设计
 */

/* CSS变量定义 */
:root {
    --primary-gold: #D4AF37;
    --primary-purple: #4A0E4E;
    --secondary-purple: #7B2D8E;
    --dark-bg: #1A0A1F;
    --darker-bg: #0D0510;
    --light-text: #FFFFFF;
    --muted-text: #B8A9C9;
    --accent-red: #E63946;
    --accent-green: #2ECC71;
    --card-bg: rgba(74, 14, 78, 0.6);
    --border-color: rgba(212, 175, 55, 0.3);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
    --shadow-purple: 0 4px 30px rgba(123, 45, 142, 0.3);
    --gradient-main: linear-gradient(135deg, #1A0A1F 0%, #4A0E4E 50%, #1A0A1F 100%);
    --gradient-card: linear-gradient(180deg, rgba(123, 45, 142, 0.4) 0%, rgba(26, 10, 31, 0.8) 100%);
    --font-primary: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-display: 'Noto Serif SC', serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background: var(--gradient-main);
    background-attachment: fixed;
    color: var(--light-text);
    line-height: 1.8;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 图片响应式 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 链接样式 */
a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--light-text);
    text-shadow: 0 0 10px var(--primary-gold);
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--light-text);
}

h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.3rem); }

/* 段落样式 */
p {
    margin-bottom: 1.2rem;
    color: var(--muted-text);
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 头部导航 */
.site-header {
    background: rgba(13, 5, 16, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.8rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 50%;
    border: 2px solid var(--primary-gold);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary-gold), #FFD700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: 2px solid var(--primary-gold);
    color: var(--primary-gold);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 1rem;
}

/* 主导航 */
.main-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.main-nav a {
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius-sm);
    color: var(--muted-text);
    font-weight: 500;
    transition: var(--transition-normal);
}

.main-nav a:hover,
.main-nav a.active {
    background: var(--card-bg);
    color: var(--primary-gold);
}

/* CTA按钮 */
.cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-gold), #FFD700);
    color: var(--dark-bg);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-gold);
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.4);
    color: var(--dark-bg);
}

/* Hero区域 */
.hero-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 20px rgba(0,0,0,0.5);
}

.hero-title span {
    color: var(--primary-gold);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--muted-text);
    margin-bottom: 2rem;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 1rem 0;
    font-size: 0.9rem;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}

.breadcrumb-list li::after {
    content: '>';
    margin-left: 0.5rem;
    color: var(--muted-text);
}

.breadcrumb-list li:last-child::after {
    content: '';
}

/* 内容区块 */
.content-section {
    padding: 3rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-gold);
    border-radius: 2px;
}

/* 游戏卡片网格 */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.game-card {
    background: var(--gradient-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-purple);
    border-color: var(--primary-gold);
}

.game-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.game-card-content {
    padding: 1.2rem;
}

.game-card-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-gold);
}

.game-card-desc {
    font-size: 0.9rem;
    color: var(--muted-text);
    margin-bottom: 1rem;
}

/* 特色区块 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.feature-item:hover {
    border-color: var(--primary-gold);
    box-shadow: var(--shadow-gold);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary-gold), #FFD700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* 评论区块 */
.reviews-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.review-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

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

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--secondary-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary-gold);
}

.review-meta {
    flex: 1;
}

.review-name {
    font-weight: 600;
    color: var(--light-text);
}

.review-location {
    font-size: 0.85rem;
    color: var(--muted-text);
}

.review-stars {
    color: var(--primary-gold);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.review-text {
    font-size: 0.95rem;
    line-height: 1.7;
}

.review-date {
    font-size: 0.8rem;
    color: var(--muted-text);
    margin-top: 0.8rem;
}

/* FAQ区块 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    padding: 1.2rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--light-text);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-gold);
}

.faq-answer {
    padding: 0 1.5rem 1.2rem;
    color: var(--muted-text);
}

/* 支付方式 */
.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.payment-icon {
    background: rgba(255,255,255,0.1);
    padding: 0.8rem 1.2rem;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

/* 作者信息 */
.author-box {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    margin: 2rem 0;
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-gold);
}

.author-info h4 {
    color: var(--primary-gold);
    margin-bottom: 0.3rem;
}

.author-title {
    font-size: 0.9rem;
    color: var(--muted-text);
    margin-bottom: 0.8rem;
}

/* 标签页面 */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.tag-link {
    background: var(--card-bg);
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.tag-link:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    border-color: var(--primary-gold);
}

/* 页脚 */
.site-footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

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

.footer-section h4 {
    color: var(--primary-gold);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--muted-text);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary-gold);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    text-align: center;
}

.age-restriction {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-red);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    margin-bottom: 1rem;
}

.license-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.license-badge {
    height: 50px;
    width: auto;
}

.copyright {
    font-size: 0.85rem;
    color: var(--muted-text);
}

/* 社交媒体链接 */
.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1rem 0;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    border-color: var(--primary-gold);
}

/* 内页样式 */
.page-header {
    background: var(--gradient-card);
    padding: 3rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-content {
    padding: 2rem 0;
}

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

.article-content h2 {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.article-content h3 {
    margin-top: 1.5rem;
    color: var(--primary-gold);
}

.article-content ul,
.article-content ol {
    margin: 1rem 0 1.5rem 1.5rem;
    color: var(--muted-text);
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-image {
    margin: 2rem 0;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.article-image img {
    width: 100%;
    height: auto;
}

.article-image figcaption {
    padding: 0.8rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted-text);
    background: var(--card-bg);
}

/* 表格样式 */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.info-table th,
.info-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.info-table th {
    background: rgba(212, 175, 55, 0.2);
    color: var(--primary-gold);
    font-weight: 600;
}

.info-table tr:last-child td {
    border-bottom: none;
}

/* APP下载页面 */
.app-download-section {
    text-align: center;
    padding: 3rem 0;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-md);
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
}

.download-btn:hover {
    border-color: var(--primary-gold);
    box-shadow: var(--shadow-gold);
}

.download-btn-icon {
    font-size: 2rem;
}

.download-btn-text {
    text-align: left;
}

.download-btn-text small {
    display: block;
    font-size: 0.75rem;
    color: var(--muted-text);
}

.download-btn-text strong {
    font-size: 1.1rem;
    color: var(--light-text);
}

.qr-code {
    max-width: 200px;
    margin: 2rem auto;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius-md);
}

/* 响应式设计 - 移动端优先 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        background: var(--darker-bg);
        padding: 1rem;
        border-radius: var(--border-radius-md);
        margin-top: 1rem;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .main-nav a {
        padding: 1rem;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    
    .hero-section {
        min-height: 60vh;
        padding: 2rem 1rem;
    }
    
    .author-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        margin-bottom: 1rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

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

.animate-pulse {
    animation: pulse 2s infinite;
}

/* 懒加载图片占位 */
img[loading="lazy"] {
    background: var(--card-bg);
}

/* 打印样式 */
@media print {
    .site-header,
    .site-footer,
    .cta-btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}