/* 开元棋牌 - 棋牌竞技网站样式 */
/* 2026年SEO优化 - 移动端优先设计 */

:root {
    --primary-gold: #d4a853;
    --primary-dark: #1a1a2e;
    --secondary-dark: #16213e;
    --accent-red: #c41e3a;
    --accent-green: #2d5a27;
    --text-light: #f5f5f5;
    --text-muted: #a0a0a0;
    --border-gold: #b8860b;
    --gradient-gold: linear-gradient(135deg, #d4a853 0%, #f4d03f 50%, #d4a853 100%);
    --gradient-dark: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    --shadow-gold: 0 4px 15px rgba(212, 168, 83, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

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

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: var(--gradient-dark);
    color: var(--text-light);
    line-height: 1.8;
    min-height: 100vh;
}

/* 导航栏 - 非sticky */
.main-nav {
    background: rgba(26, 26, 46, 0.98);
    border-bottom: 2px solid var(--primary-gold);
    padding: 0.8rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-gold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

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

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover {
    background: var(--primary-gold);
    color: var(--primary-dark);
}

.cta-btn {
    background: var(--gradient-gold);
    color: var(--primary-dark) !important;
    font-weight: 700;
    padding: 0.8rem 1.5rem !important;
    border-radius: 25px !important;
    box-shadow: var(--shadow-gold);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: 2px solid var(--primary-gold);
    color: var(--primary-gold);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
}

/* Hero区域 */
.hero-section {
    background: linear-gradient(rgba(26, 26, 46, 0.85), rgba(22, 33, 62, 0.9)), url('../images/mahjong-background.webp') center/cover no-repeat;
    padding: 4rem 1rem;
    text-align: center;
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.6);
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 800px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--primary-dark);
    padding: 1rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: var(--shadow-gold);
    transition: transform 0.3s ease;
}

.hero-cta:hover {
    transform: translateY(-3px);
}

/* 面包屑导航 */
.breadcrumb {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    font-size: 0.9rem;
}

.breadcrumb-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

.breadcrumb a {
    color: var(--primary-gold);
    text-decoration: none;
}

.breadcrumb span {
    color: var(--text-muted);
    margin: 0 0.5rem;
}

/* 内容区域 */
.content-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.section-title {
    font-size: 2rem;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 3px solid var(--border-gold);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--accent-red);
}

/* 卡片网格 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.game-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(212, 168, 83, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.game-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-gold);
}

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

.game-card-content {
    padding: 1.5rem;
}

.game-card h3 {
    color: var(--primary-gold);
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.game-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.game-card-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-gold);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.game-card-link:hover {
    color: var(--text-light);
}

/* 文章内容 */
.article-content {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid rgba(212, 168, 83, 0.2);
}

.article-content h2 {
    color: var(--primary-gold);
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    padding-left: 1rem;
    border-left: 4px solid var(--accent-red);
}

.article-content h3 {
    color: var(--text-light);
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
}

.article-content p {
    margin-bottom: 1.2rem;
    text-align: justify;
}

.article-content ul, .article-content ol {
    margin: 1rem 0 1.5rem 2rem;
}

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

/* 作者信息 - E-E-A-T */
.author-box {
    display: flex;
    gap: 1.5rem;
    background: rgba(212, 168, 83, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
    align-items: center;
    flex-wrap: wrap;
}

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

.author-info h4 {
    color: var(--primary-gold);
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.author-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* 评论区域 */
.reviews-section {
    margin: 3rem 0;
}

.review-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-gold);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

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

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

.review-stars {
    color: #ffc107;
    font-size: 1.2rem;
}

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

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

/* FAQ区域 */
.faq-section {
    margin: 3rem 0;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    border: 1px solid rgba(212, 168, 83, 0.2);
}

.faq-question {
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--primary-gold);
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(212, 168, 83, 0.1);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* 支付方式 */
.payment-section {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    border-radius: 16px;
    margin: 2rem 0;
}

.payment-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.payment-icons img {
    height: 40px;
    background: white;
    padding: 0.5rem;
    border-radius: 8px;
}

/* 牌照信息 */
.license-section {
    background: linear-gradient(135deg, rgba(45, 90, 39, 0.3) 0%, rgba(26, 26, 46, 0.9) 100%);
    padding: 2rem;
    border-radius: 16px;
    margin: 2rem 0;
    border: 2px solid var(--accent-green);
    text-align: center;
}

.license-badge {
    width: 120px;
    margin: 1rem auto;
    display: block;
}

/* 职业牌手 */
.player-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.player-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(212, 168, 83, 0.3);
    transition: all 0.3s ease;
}

.player-card:hover {
    border-color: var(--primary-gold);
    transform: translateY(-5px);
}

.player-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    border: 3px solid var(--primary-gold);
    object-fit: cover;
}

.player-name {
    color: var(--primary-gold);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

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

.player-stats {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* 锦标赛信息 */
.tournament-banner {
    background: linear-gradient(135deg, var(--accent-red) 0%, #8b0000 100%);
    padding: 2rem;
    border-radius: 16px;
    margin: 2rem 0;
    text-align: center;
}

.tournament-title {
    font-size: 2rem;
    color: var(--primary-gold);
    margin-bottom: 1rem;
}

.tournament-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.tournament-stat {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    border-radius: 12px;
}

.tournament-stat-value {
    font-size: 1.5rem;
    color: var(--primary-gold);
    font-weight: 700;
}

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

/* 标签页面 */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
}

.tag-item {
    background: rgba(212, 168, 83, 0.15);
    color: var(--primary-gold);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    border: 1px solid var(--border-gold);
    transition: all 0.3s ease;
}

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

/* APP下载 */
.app-download-section {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--primary-dark) 100%);
    padding: 3rem 2rem;
    border-radius: 16px;
    margin: 2rem 0;
    text-align: center;
}

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

.app-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--primary-dark);
    color: var(--text-light);
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    border: 2px solid var(--primary-gold);
    transition: all 0.3s ease;
}

.app-btn:hover {
    background: var(--primary-gold);
    color: var(--primary-dark);
}

.app-icon {
    font-size: 1.5rem;
}

/* 页脚 */
.main-footer {
    background: rgba(0, 0, 0, 0.5);
    border-top: 2px solid var(--primary-gold);
    padding: 3rem 1rem 1rem;
    margin-top: 3rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--primary-gold);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-gold);
}

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

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

.footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(212, 168, 83, 0.2);
    border-radius: 50%;
    color: var(--primary-gold);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-gold);
    color: var(--primary-dark);
}

.footer-bottom {
    max-width: 1400px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 168, 83, 0.3);
    text-align: center;
}

.footer-payment {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.footer-payment img {
    height: 30px;
    background: white;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
}

.age-restriction {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--accent-red);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 1rem 0;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        padding-top: 1rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .article-content {
        padding: 1.5rem;
    }
    
    .author-box {
        flex-direction: column;
        text-align: center;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .tournament-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-section {
        padding: 2rem 1rem;
        min-height: 50vh;
    }
    
    .content-section {
        padding: 2rem 0.8rem;
    }
    
    .game-card img {
        height: 150px;
    }
}

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

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

/* 表格样式 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    overflow: hidden;
}

.data-table th {
    background: rgba(212, 168, 83, 0.2);
    color: var(--primary-gold);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.1);
}

.data-table tr:hover {
    background: rgba(212, 168, 83, 0.05);
}

/* 规则说明框 */
.rule-box {
    background: rgba(196, 30, 58, 0.1);
    border-left: 4px solid var(--accent-red);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 12px 12px 0;
}

.rule-box h4 {
    color: var(--accent-red);
    margin-bottom: 0.8rem;
}

/* 技巧提示 */
.tip-box {
    background: rgba(45, 90, 39, 0.2);
    border-left: 4px solid var(--accent-green);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 12px 12px 0;
}

.tip-box h4 {
    color: #4caf50;
    margin-bottom: 0.8rem;
}

/* 图片画廊 */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.image-gallery img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.image-gallery img:hover {
    transform: scale(1.05);
}

/* 联系方式 */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.contact-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(212, 168, 83, 0.2);
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary-gold);
    margin-bottom: 1rem;
}

.contact-item h4 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 负责任博彩 */
.responsible-gaming {
    background: rgba(196, 30, 58, 0.1);
    padding: 2rem;
    border-radius: 16px;
    margin: 2rem 0;
    border: 2px solid var(--accent-red);
}

.responsible-gaming h3 {
    color: var(--accent-red);
    margin-bottom: 1rem;
}

/* 预加载优化 */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    opacity: 1;
}