/* 
 * 博彩网站主样式表
 * 独特的深紫金配色方案 - 移动端优先设计
 * 2026年SEO优化版本
 */

/* CSS Reset & 基础设置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a0a2e;
    --secondary-color: #16213e;
    --accent-gold: #ffd700;
    --accent-orange: #ff6b35;
    --text-light: #f8f9fa;
    --text-muted: #adb5bd;
    --gradient-start: #2d1b4e;
    --gradient-end: #0f0c29;
    --card-bg: rgba(45, 27, 78, 0.85);
    --border-glow: rgba(255, 215, 0, 0.3);
    --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.2);
    --font-primary: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--text-light);
    line-height: 1.8;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 移动端优先的容器 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 顶部导航 - 非sticky */
.site-header {
    background: linear-gradient(180deg, var(--primary-color) 0%, transparent 100%);
    padding: 15px 0;
    position: relative;
    z-index: 100;
}

.header-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.site-logo img {
    height: 50px;
    width: auto;
}

.site-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: block;
    background: transparent;
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

/* 主导航 */
.main-nav {
    width: 100%;
}

.nav-list {
    display: none;
    flex-direction: column;
    list-style: none;
    gap: 5px;
    background: var(--card-bg);
    padding: 15px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.nav-list.active {
    display: flex;
}

.nav-list li a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 8px;
    transition: var(--transition-smooth);
    font-weight: 500;
    text-align: center;
}

.nav-list li a:hover,
.nav-list li a.active {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
    color: var(--primary-color);
    transform: translateX(5px);
}

/* CTA按钮 */
.cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-gold);
    border: none;
    cursor: pointer;
}

.cta-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

/* Hero区域 */
.hero-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 15px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--accent-gold), #fff, var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.8;
}

/* 视频模块 */
.video-section {
    padding: 50px 15px;
    background: linear-gradient(180deg, transparent, var(--secondary-color), transparent);
}

.video-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    background: var(--primary-color);
}

.video-container video,
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

.play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 25px solid var(--primary-color);
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    margin-left: 5px;
}

.play-btn:hover {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 0 50px rgba(255, 215, 0, 0.7);
}

/* 章节标题 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-orange));
    border-radius: 2px;
}

.section-desc {
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1rem;
}

/* 游戏卡片网格 */
.games-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px 0;
}

.game-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid var(--border-glow);
    backdrop-filter: blur(10px);
}

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

.game-card-img {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.game-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.game-card:hover .game-card-img img {
    transform: scale(1.1);
}

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

.game-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--accent-gold);
}

.game-card-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    line-height: 1.6;
}

.game-card .cta-btn {
    width: 100%;
    text-align: center;
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* 比赛模块 */
.tournaments-section {
    padding: 60px 15px;
    background: linear-gradient(180deg, var(--secondary-color), var(--primary-color));
}

.tournament-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 25px;
    border: 1px solid var(--border-glow);
}

.tournament-img {
    height: 200px;
    overflow: hidden;
}

.tournament-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tournament-content {
    padding: 25px;
}

.tournament-title {
    font-size: 1.3rem;
    color: var(--accent-gold);
    margin-bottom: 10px;
}

.tournament-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.tournament-desc {
    line-height: 1.8;
    margin-bottom: 20px;
}

/* 文章模块 */
.articles-section {
    padding: 60px 15px;
}

.articles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.article-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid var(--border-glow);
}

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

.article-img {
    height: 180px;
    overflow: hidden;
}

.article-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-body {
    padding: 20px;
}

.article-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-light);
}

.article-title a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.article-title a:hover {
    color: var(--accent-gold);
}

.article-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 15px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-author {
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-author img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}

/* 关于我们 */
.about-section {
    padding: 60px 15px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

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

.about-text {
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 25px;
    text-align: justify;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-glow);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--accent-gold);
}

/* 支付方式 */
.payment-section {
    padding: 60px 15px;
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.payment-item {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-glow);
    transition: var(--transition-smooth);
}

.payment-item:hover {
    border-color: var(--accent-gold);
    transform: translateY(-3px);
}

.payment-item img {
    height: 40px;
    width: auto;
    margin-bottom: 10px;
}

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

/* 牌照信息 */
.license-section {
    padding: 60px 15px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.license-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.license-badge {
    width: 150px;
    height: 150px;
    object-fit: contain;
}

.license-info h3 {
    font-size: 1.3rem;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.license-info p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 10px;
}

.license-number {
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--accent-gold);
    background: var(--card-bg);
    padding: 10px 20px;
    border-radius: 8px;
    display: inline-block;
    margin-top: 15px;
}

/* 客户支持 */
.support-section {
    padding: 60px 15px;
}

.support-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.support-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-glow);
    transition: var(--transition-smooth);
}

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

.support-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
}

.support-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.support-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--accent-gold);
}

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

/* FAQ模块 */
.faq-section {
    padding: 60px 15px;
    background: linear-gradient(180deg, var(--secondary-color), var(--primary-color));
}

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

.faq-item {
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid var(--border-glow);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.faq-question:hover {
    background: rgba(255, 215, 0, 0.1);
}

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

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 20px 20px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* 用户评论 */
.reviews-section {
    padding: 60px 15px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.review-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--border-glow);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-gold);
}

.review-user-info {
    flex: 1;
}

.review-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 3px;
}

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

.review-vip {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
    color: var(--primary-color);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.review-stars {
    color: var(--accent-gold);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.review-content {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 10px;
}

.review-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* 充值活动 */
.promo-section {
    padding: 60px 15px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
}

.promo-content {
    text-align: center;
    color: var(--primary-color);
}

.promo-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.promo-desc {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.promo-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
}

.promo-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.promo-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.promo-card p {
    color: #666;
    line-height: 1.6;
}

.promo-card .bonus {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-orange);
    margin: 15px 0;
}

/* 负责任博彩 */
.responsible-section {
    padding: 60px 15px;
    background: var(--secondary-color);
}

.responsible-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.age-badge {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.responsible-text {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
}

.responsible-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.responsible-links a {
    color: var(--accent-gold);
    text-decoration: none;
    padding: 8px 20px;
    border: 1px solid var(--accent-gold);
    border-radius: 25px;
    transition: var(--transition-smooth);
}

.responsible-links a:hover {
    background: var(--accent-gold);
    color: var(--primary-color);
}

/* 页脚 */
.site-footer {
    background: linear-gradient(180deg, var(--primary-color), #0a0612);
    padding: 60px 15px 30px;
}

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

.footer-section h4 {
    font-size: 1.1rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-gold);
}

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

.footer-links li {
    margin-bottom: 10px;
}

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

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.footer-social a:hover {
    background: var(--accent-gold);
    transform: translateY(-3px);
}

.footer-social img {
    width: 24px;
    height: 24px;
}

.footer-payment {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.footer-payment img {
    height: 35px;
    width: auto;
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 10px;
    border-radius: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-glow);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.footer-badges img {
    height: 50px;
    width: auto;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    font-size: 0.9rem;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 10px;
}

.breadcrumb-list li::after {
    content: '>';
    margin-left: 10px;
    color: var(--text-muted);
}

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

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

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

/* 作者信息 */
.author-box {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
    margin: 30px 0;
    border: 1px solid var(--border-glow);
}

.author-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-gold);
}

.author-info h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--accent-gold);
}

.author-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 平板端适配 */
@media (min-width: 576px) {
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .promo-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 桌面端适配 */
@media (min-width: 768px) {
    .header-inner {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .nav-list {
        display: flex;
        flex-direction: row;
        background: transparent;
        padding: 0;
    }
    
    .nav-list li a {
        padding: 10px 15px;
    }
    
    .nav-list li a:hover {
        transform: translateY(-2px);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .games-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .payment-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .license-content {
        flex-direction: row;
        text-align: left;
    }
    
    .support-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .author-box {
        flex-direction: row;
        text-align: left;
    }
}

@media (min-width: 992px) {
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .promo-cards {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-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);
    }
}

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

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

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

/* 懒加载占位 */
.lazy-load {
    background: linear-gradient(90deg, var(--card-bg) 25%, rgba(255, 255, 255, 0.1) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* 内页样式 */
.page-header {
    padding: 80px 15px 40px;
    text-align: center;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--accent-gold);
}

.page-content {
    padding: 40px 15px;
    max-width: 1000px;
    margin: 0 auto;
}

.page-content h2 {
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin: 30px 0 15px;
}

.page-content h3 {
    font-size: 1.3rem;
    color: var(--text-light);
    margin: 25px 0 12px;
}

.page-content p {
    margin-bottom: 15px;
    line-height: 1.9;
    color: var(--text-muted);
}

.page-content ul,
.page-content ol {
    margin: 15px 0 15px 25px;
    color: var(--text-muted);
}

.page-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.page-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
}

.page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.page-content th,
.page-content td {
    padding: 12px;
    border: 1px solid var(--border-glow);
    text-align: left;
}

.page-content th {
    background: var(--card-bg);
    color: var(--accent-gold);
}

/* APP下载页面 */
.app-download-section {
    padding: 60px 15px;
    text-align: center;
}

.app-preview {
    max-width: 400px;
    margin: 0 auto 30px;
}

.app-preview img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 400px;
    margin: 0 auto;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--card-bg);
    padding: 15px 30px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-light);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-glow);
}

.download-btn:hover {
    background: var(--accent-gold);
    color: var(--primary-color);
}

.download-btn img {
    width: 30px;
    height: 30px;
}

.app-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
}

@media (min-width: 576px) {
    .download-buttons {
        flex-direction: row;
    }
    
    .app-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .app-features {
        grid-template-columns: repeat(4, 1fr);
    }
}