/* 
 * 皇冠娱乐城 - 主样式文件
 * 独特的紫金配色方案，移动端优先设计
 * 2026年SEO优化版本
 */

/* CSS变量定义 */
:root {
    --primary-gold: #D4AF37;
    --primary-purple: #2D1B4E;
    --secondary-purple: #4A2C7A;
    --accent-red: #C41E3A;
    --dark-bg: #0F0A1A;
    --light-text: #F5F5F5;
    --muted-text: #B8B8B8;
    --card-bg: rgba(45, 27, 78, 0.85);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F4E5B2 50%, #D4AF37 100%);
    --gradient-purple: linear-gradient(180deg, #2D1B4E 0%, #0F0A1A 100%);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.3);
    --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.4);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置 */
*, *::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: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Helvetica Neue', Arial, sans-serif;
    background: var(--gradient-purple);
    background-attachment: fixed;
    color: var(--light-text);
    line-height: 1.8;
    min-height: 100vh;
    overflow-x: hidden;
}

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

a:hover {
    color: #F4E5B2;
    text-decoration: underline;
}

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

/* 容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* 头部导航 - 非sticky */
.site-header {
    background: linear-gradient(180deg, rgba(15, 10, 26, 0.98) 0%, rgba(45, 27, 78, 0.95) 100%);
    border-bottom: 2px solid var(--primary-gold);
    padding: 12px 0;
    position: relative;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 48px;
    width: auto;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: block;
    background: transparent;
    border: 2px solid var(--primary-gold);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--primary-gold);
    font-size: 1.2rem;
}

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

/* 主导航 */
.main-nav {
    display: none;
    width: 100%;
    padding-top: 16px;
}

.main-nav.active {
    display: block;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-list li a {
    display: block;
    padding: 12px 16px;
    background: var(--card-bg);
    border-radius: 8px;
    color: var(--light-text);
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: var(--transition);
}

.nav-list li a:hover,
.nav-list li a.active {
    border-left-color: var(--primary-gold);
    background: rgba(212, 175, 55, 0.15);
    color: var(--primary-gold);
    text-decoration: none;
}

/* CTA按钮 */
.cta-btn {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--dark-bg) !important;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-gold);
    transition: var(--transition);
    text-align: center;
    border: none;
    cursor: pointer;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
    text-decoration: none;
}

/* Hero区域 */
.hero-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 16px;
    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: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 30px rgba(212, 175, 55, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--muted-text);
    margin-bottom: 30px;
    line-height: 1.6;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 16px 0;
    background: rgba(15, 10, 26, 0.8);
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
}

.breadcrumb-list li::after {
    content: '›';
    margin-left: 8px;
    color: var(--muted-text);
}

.breadcrumb-list li:last-child::after {
    display: none;
}

.breadcrumb-list a {
    color: var(--muted-text);
}

.breadcrumb-list a:hover {
    color: var(--primary-gold);
}

/* 内容区块 */
.content-section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-gold);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-gold);
    border-radius: 2px;
}

.section-desc {
    color: var(--muted-text);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 游戏卡片网格 */
.game-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.game-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-dark);
    transition: var(--transition);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

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

.game-card-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.game-card-content {
    padding: 20px;
}

.game-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-gold);
    margin-bottom: 8px;
}

.game-card-desc {
    font-size: 0.9rem;
    color: var(--muted-text);
    line-height: 1.6;
    margin-bottom: 16px;
}

.game-card .cta-btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 0.9rem;
}

/* 特色区块 */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.feature-item {
    background: var(--card-bg);
    padding: 32px 24px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--primary-gold);
    transform: translateY(-4px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-gold);
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--muted-text);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 关于我们 */
.about-section {
    background: linear-gradient(135deg, rgba(45, 27, 78, 0.9) 0%, rgba(15, 10, 26, 0.95) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    color: var(--primary-gold);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 16px;
    color: var(--light-text);
    line-height: 1.9;
}

.about-img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-dark);
}

/* 支付方式 */
.payment-section {
    background: rgba(15, 10, 26, 0.6);
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.payment-item {
    background: var(--card-bg);
    padding: 24px 16px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.payment-item img {
    height: 40px;
    margin: 0 auto 12px;
}

.payment-item span {
    display: block;
    font-size: 0.9rem;
    color: var(--muted-text);
}

/* FAQ区域 */
.faq-section {
    background: var(--card-bg);
}

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

.faq-item {
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    padding: 24px 0;
}

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

.faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-gold);
    margin-bottom: 12px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.faq-answer {
    color: var(--light-text);
    line-height: 1.8;
    padding-left: 16px;
    border-left: 3px solid var(--primary-gold);
}

/* 用户评论 */
.reviews-section {
    background: linear-gradient(180deg, rgba(45, 27, 78, 0.8) 0%, rgba(15, 10, 26, 0.9) 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.review-card {
    background: var(--card-bg);
    padding: 28px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-gold);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-bg);
}

.review-info h4 {
    font-size: 1rem;
    color: var(--light-text);
    margin-bottom: 4px;
}

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

.review-stars {
    color: var(--primary-gold);
    font-size: 1rem;
    margin-bottom: 12px;
}

.review-text {
    color: var(--light-text);
    line-height: 1.8;
    font-style: italic;
}

.review-date {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--muted-text);
}

/* 牌照区域 */
.license-section {
    text-align: center;
    padding: 48px 0;
    background: rgba(15, 10, 26, 0.8);
}

.license-badge {
    max-width: 180px;
    margin: 0 auto 24px;
}

.license-info {
    color: var(--muted-text);
    font-size: 0.95rem;
    line-height: 1.8;
}

.license-info strong {
    color: var(--primary-gold);
}

/* 负责任博彩 */
.responsible-section {
    background: linear-gradient(135deg, #1a0f2e 0%, #0d0815 100%);
    padding: 48px 0;
}

.responsible-content {
    text-align: center;
}

.age-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border: 4px solid var(--accent-red);
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-red);
    margin-bottom: 24px;
}

.responsible-content h3 {
    color: var(--primary-gold);
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.responsible-content p {
    color: var(--muted-text);
    max-width: 600px;
    margin: 0 auto 16px;
    line-height: 1.8;
}

.responsible-links {
    margin-top: 24px;
}

.responsible-links a {
    display: inline-block;
    margin: 8px;
    padding: 10px 20px;
    background: rgba(196, 30, 58, 0.2);
    border: 1px solid var(--accent-red);
    border-radius: 8px;
    color: var(--accent-red);
    font-size: 0.9rem;
}

.responsible-links a:hover {
    background: var(--accent-red);
    color: white;
    text-decoration: none;
}

/* 页脚 */
.site-footer {
    background: linear-gradient(180deg, #0d0815 0%, #050308 100%);
    padding: 60px 0 24px;
    border-top: 2px solid var(--primary-gold);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--primary-gold);
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--muted-text);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-gold);
    padding-left: 8px;
}

.footer-contact p {
    color: var(--muted-text);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    font-size: 1.2rem;
    border: 1px solid rgba(212, 175, 55, 0.3);
    transition: var(--transition);
}

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

.footer-payment {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.footer-payment img {
    height: 32px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-payment img:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--muted-text);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.footer-legal {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 16px;
}

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

/* 标签页面 */
.tags-section {
    padding: 48px 0;
}

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

.tag-link {
    display: inline-block;
    padding: 10px 20px;
    background: var(--card-bg);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 25px;
    color: var(--light-text);
    font-size: 0.95rem;
    transition: var(--transition);
}

.tag-link:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    text-decoration: none;
    transform: translateY(-2px);
}

/* 文章内容 */
.article-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.article-content h1 {
    font-size: 2rem;
    color: var(--primary-gold);
    margin-bottom: 24px;
    line-height: 1.4;
}

.article-content h2 {
    font-size: 1.5rem;
    color: var(--primary-gold);
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(212, 175, 55, 0.3);
}

.article-content h3 {
    font-size: 1.25rem;
    color: var(--light-text);
    margin: 32px 0 16px;
}

.article-content p {
    margin-bottom: 20px;
    line-height: 1.9;
    color: var(--light-text);
}

.article-content ul,
.article-content ol {
    margin: 20px 0;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 12px;
    line-height: 1.8;
}

.article-content img {
    border-radius: var(--border-radius);
    margin: 24px 0;
    box-shadow: var(--shadow-dark);
}

.article-content blockquote {
    background: var(--card-bg);
    border-left: 4px solid var(--primary-gold);
    padding: 20px 24px;
    margin: 24px 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.article-content blockquote p {
    margin-bottom: 0;
    font-style: italic;
}

/* 作者信息 */
.author-box {
    background: var(--card-bg);
    padding: 28px;
    border-radius: var(--border-radius);
    margin: 40px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-bg);
}

.author-info h4 {
    color: var(--primary-gold);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

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

/* APP下载页面 */
.app-hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, rgba(45, 27, 78, 0.95) 0%, rgba(15, 10, 26, 0.98) 100%);
}

.app-hero h1 {
    font-size: 2.2rem;
    color: var(--primary-gold);
    margin-bottom: 20px;
}

.app-hero p {
    color: var(--muted-text);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 32px;
}

.app-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.app-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--card-bg);
    border: 2px solid var(--primary-gold);
    border-radius: var(--border-radius);
    color: var(--light-text);
    min-width: 220px;
    transition: var(--transition);
}

.app-btn:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    text-decoration: none;
}

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

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

.app-btn-text small {
    display: block;
    font-size: 0.75rem;
    opacity: 0.8;
}

.app-btn-text span {
    font-size: 1.1rem;
    font-weight: 600;
}

.app-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 60px 20px;
}

.app-feature {
    text-align: center;
    padding: 32px 24px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
}

.app-feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.app-feature h3 {
    color: var(--primary-gold);
    margin-bottom: 12px;
}

.app-feature p {
    color: var(--muted-text);
    line-height: 1.7;
}

/* 表格样式 */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.info-table th,
.info-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.info-table th {
    background: rgba(212, 175, 55, 0.15);
    color: var(--primary-gold);
    font-weight: 600;
}

.info-table td {
    color: var(--light-text);
}

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

/* 响应式设计 - 平板 */
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .main-nav {
        display: block;
        width: auto;
        padding-top: 0;
    }

    .nav-list {
        flex-direction: row;
        gap: 4px;
    }

    .nav-list li a {
        padding: 10px 16px;
        background: transparent;
        border-left: none;
        border-bottom: 2px solid transparent;
        border-radius: 0;
    }

    .nav-list li a:hover,
    .nav-list li a.active {
        border-left: none;
        border-bottom-color: var(--primary-gold);
        background: transparent;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .game-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr 1fr;
    }

    .payment-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .author-box {
        flex-direction: row;
        text-align: left;
    }

    .app-buttons {
        flex-direction: row;
        justify-content: center;
    }

    .app-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式设计 - 桌面 */
@media (min-width: 1024px) {
    .container {
        padding: 0 32px;
    }

    .hero-section {
        min-height: 80vh;
    }

    .hero-title {
        font-size: 4rem;
    }

    .game-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .app-features {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

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

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

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

/* 懒加载图片占位 */
img[loading="lazy"] {
    background: linear-gradient(90deg, var(--card-bg) 25%, rgba(74, 44, 122, 0.5) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

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

    body {
        background: white;
        color: black;
    }

    .article-content {
        max-width: 100%;
    }
}