/* 
 * 博彩棋牌游戏网站样式表
 * 独特的紫金配色方案 - 2026年全新设计
 * 移动端优先响应式设计
 */

/* CSS变量定义 */
:root {
    --primary-color: #6b21a8;
    --primary-light: #9333ea;
    --primary-dark: #4c1d95;
    --secondary-color: #f59e0b;
    --secondary-light: #fbbf24;
    --accent-color: #ec4899;
    --accent-light: #f472b6;
    --bg-dark: #0f0a1e;
    --bg-medium: #1a1333;
    --bg-light: #2d2250;
    --text-primary: #ffffff;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(107, 33, 168, 0.15);
    --shadow-md: 0 4px 16px rgba(107, 33, 168, 0.25);
    --shadow-lg: 0 8px 32px rgba(107, 33, 168, 0.35);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --font-primary: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-display: 'Noto Serif SC', serif;
}

/* 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: var(--font-primary);
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-medium) 50%, var(--bg-dark) 100%);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--secondary-light);
}

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

/* 容器 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 24px;
    }
}

@media (min-width: 1200px) {
    .container {
        padding: 0 40px;
    }
}

/* 头部导航 - 非sticky */
.site-header {
    background: linear-gradient(180deg, var(--bg-dark) 0%, transparent 100%);
    padding: 16px 0;
    position: relative;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 导航菜单 */
.main-nav {
    display: none;
}

@media (min-width: 992px) {
    .main-nav {
        display: flex;
        gap: 8px;
    }
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--secondary-color);
    background: rgba(245, 158, 11, 0.1);
}

.nav-link:hover::after {
    width: 60%;
}

.nav-link.active {
    color: var(--secondary-color);
    background: rgba(245, 158, 11, 0.15);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
}

@media (min-width: 992px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* 移动端导航 */
.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-medium);
    padding: 20px;
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.mobile-nav a {
    display: block;
    padding: 14px 20px;
    color: var(--text-primary);
    border-radius: var(--border-radius);
    margin-bottom: 8px;
    transition: all var(--transition-fast);
}

.mobile-nav a:hover {
    background: rgba(245, 158, 11, 0.15);
    color: var(--secondary-color);
}

/* CTA按钮 */
.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
    color: var(--text-primary);
}

.cta-btn-secondary {
    background: transparent;
    border: 2px solid var(--secondary-color);
    box-shadow: none;
}

.cta-btn-secondary:hover {
    background: var(--secondary-color);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

/* Hero区域 */
.hero-section {
    position: relative;
    padding: 40px 0 60px;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(147, 51, 234, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-image {
    margin-top: 40px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* 视频模块 */
.video-section {
    padding: 60px 0;
    background: linear-gradient(180deg, var(--bg-medium) 0%, var(--bg-dark) 100%);
}

.video-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
}

.video-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6) 100%);
    z-index: 1;
    pointer-events: none;
}

.video-thumbnail {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(245, 158, 11, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: all var(--transition-normal);
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.5);
}

.play-button::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 24px solid var(--text-primary);
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    margin-left: 6px;
}

.video-wrapper:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 60px rgba(245, 158, 11, 0.7);
}

/* 章节标题 */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

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

/* 游戏卡片网格 */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

.game-card {
    background: linear-gradient(145deg, var(--bg-light) 0%, var(--bg-medium) 100%);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(147, 51, 234, 0.2);
}

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

.game-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.game-card:hover .game-card-image img {
    transform: scale(1.08);
}

.game-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--accent-color);
    color: var(--text-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

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

.game-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

.game-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.game-rtp {
    font-size: 0.85rem;
    color: var(--success-color);
    font-weight: 600;
}

/* 博彩游戏模块 */
.casino-games-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.casino-game-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 60px;
    padding: 32px;
    background: linear-gradient(135deg, var(--bg-medium) 0%, var(--bg-light) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(147, 51, 234, 0.15);
}

@media (min-width: 768px) {
    .casino-game-item {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
    
    .casino-game-item:nth-child(even) {
        direction: rtl;
    }
    
    .casino-game-item:nth-child(even) > * {
        direction: ltr;
    }
}

.casino-game-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.casino-game-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.casino-game-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.casino-game-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

/* 文章模块 */
.articles-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-medium) 0%, var(--bg-dark) 100%);
}

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

@media (min-width: 768px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.article-card {
    background: var(--bg-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(147, 51, 234, 0.1);
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.article-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.article-card-content {
    padding: 24px;
}

.article-card-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.4;
}

.article-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 下载模块 */
.download-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-dark) 100%);
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -50%;
    width: 200%;
    height: 300%;
    background: radial-gradient(ellipse, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (min-width: 768px) {
    .download-content {
        grid-template-columns: 1fr 1fr;
    }
}

.download-info h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 20px;
}

.download-info p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    border: 1px solid rgba(147, 51, 234, 0.3);
}

.download-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-3px);
}

.download-btn-icon {
    font-size: 1.5rem;
}

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

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

.download-btn-text strong {
    font-size: 1rem;
    color: var(--text-primary);
}

.qr-code-wrapper {
    text-align: center;
}

.qr-code-wrapper img {
    max-width: 200px;
    margin: 0 auto 16px;
    border-radius: var(--border-radius);
    background: white;
    padding: 16px;
}

.qr-code-wrapper p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 作者信息 */
.author-section {
    padding: 60px 0;
    background: var(--bg-medium);
}

.author-card {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 32px;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-dark) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(147, 51, 234, 0.2);
}

@media (min-width: 768px) {
    .author-card {
        flex-direction: row;
        align-items: center;
    }
}

.author-avatar {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--secondary-color);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
}

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

.author-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--secondary-color);
}

.author-title {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.author-bio {
    color: var(--text-secondary);
    line-height: 1.7;
}

.author-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 用户评论 */
.reviews-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

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

@media (min-width: 768px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review-card {
    background: linear-gradient(145deg, var(--bg-light) 0%, var(--bg-medium) 100%);
    padding: 28px;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(147, 51, 234, 0.15);
    transition: all var(--transition-normal);
}

.review-card:hover {
    transform: translateY(-4px);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

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

.review-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary-light);
}

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

.review-user-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.review-user-meta {
    display: flex;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.vip-badge {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--text-primary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
}

.review-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.star {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.star.empty {
    color: var(--text-muted);
}

.review-content {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

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

/* FAQ模块 */
.faq-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-medium) 0%, var(--bg-dark) 100%);
}

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

.faq-item {
    margin-bottom: 16px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(147, 51, 234, 0.15);
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--primary-light);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--secondary-color);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--secondary-color);
    transition: transform var(--transition-fast);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

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

.faq-answer-content {
    padding: 0 24px 24px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 支付方式 */
.payment-section {
    padding: 60px 0;
    background: var(--bg-medium);
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
}

.payment-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 28px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    border: 1px solid rgba(147, 51, 234, 0.1);
}

.payment-item:hover {
    transform: translateY(-4px);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-sm);
}

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

.payment-item span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 牌照模块 */
.license-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 100%);
}

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

@media (min-width: 768px) {
    .license-content {
        grid-template-columns: 1fr 1fr;
    }
}

.license-image {
    text-align: center;
}

.license-image img {
    max-width: 300px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.license-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.license-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.license-number {
    display: inline-block;
    padding: 12px 24px;
    background: rgba(245, 158, 11, 0.15);
    border-radius: var(--border-radius);
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

/* 客户支持 */
.support-section {
    padding: 80px 0;
    background: var(--bg-medium);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.support-card {
    text-align: center;
    padding: 32px 24px;
    background: linear-gradient(145deg, var(--bg-light) 0%, var(--bg-dark) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(147, 51, 234, 0.15);
    transition: all var(--transition-normal);
}

.support-card:hover {
    transform: translateY(-6px);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

.support-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
    border-radius: 50%;
    font-size: 2rem;
}

.support-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.support-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 充值活动 */
.promo-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.promo-section::before {
    content: '';
    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="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="2"/></svg>') repeat;
    background-size: 100px;
    opacity: 0.5;
}

.promo-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.promo-badge {
    display: inline-block;
    padding: 8px 24px;
    background: var(--secondary-color);
    color: var(--bg-dark);
    font-weight: 700;
    border-radius: 50px;
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.promo-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.promo-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.promo-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
}

.promo-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

.promo-feature-icon {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

/* 关于我们 */
.about-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

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

.about-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--secondary-color);
}

.about-content p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
    text-align: justify;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

@media (min-width: 768px) {
    .about-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-medium);
    border-radius: var(--border-radius);
    border: 1px solid rgba(147, 51, 234, 0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

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

/* 免责声明 */
.disclaimer-section {
    padding: 60px 0;
    background: var(--bg-medium);
    border-top: 1px solid rgba(147, 51, 234, 0.2);
}

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

.disclaimer-content h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--warning-color);
}

.disclaimer-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.age-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--error-color);
    border-radius: 50%;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 24px 0;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 16px 0;
    background: var(--bg-medium);
}

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

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-item::after {
    content: '›';
    color: var(--text-muted);
}

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

.breadcrumb-item a {
    color: var(--text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--secondary-color);
}

.breadcrumb-item.active {
    color: var(--secondary-color);
}

/* 页脚 */
.site-footer {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #050208 100%);
    padding: 60px 0 0;
    border-top: 1px solid rgba(147, 51, 234, 0.2);
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-brand img {
    height: 48px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

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

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

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 8px;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-light);
    border-radius: 50%;
    transition: all var(--transition-normal);
    border: 1px solid rgba(147, 51, 234, 0.2);
}

.social-link:hover {
    background: var(--primary-light);
    transform: translateY(-4px);
}

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

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(147, 51, 234, 0.15);
    text-align: center;
}

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

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

.footer-payment img {
    height: 32px;
    width: auto;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

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

/* 内页样式 */
.page-header {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-dark) 100%);
    text-align: center;
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.page-content {
    padding: 60px 0;
}

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

.content-wrapper h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 40px 0 20px;
    color: var(--secondary-color);
}

.content-wrapper h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 32px 0 16px;
    color: var(--text-primary);
}

.content-wrapper p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
    text-align: justify;
}

.content-wrapper ul, .content-wrapper ol {
    margin: 20px 0;
    padding-left: 24px;
    color: var(--text-secondary);
}

.content-wrapper li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.content-image {
    margin: 32px 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.content-image figcaption {
    padding: 12px;
    background: var(--bg-medium);
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.info-table th, .info-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(147, 51, 234, 0.15);
}

.info-table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--secondary-color);
}

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

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

/* 工具提示 */
.tooltip {
    position: relative;
    cursor: help;
    border-bottom: 1px dashed var(--secondary-color);
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--bg-light);
    color: var(--text-primary);
    font-size: 0.85rem;
    border-radius: var(--border-radius);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 8px);
}

/* 动画 */
@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-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

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

/* 加载状态 */
.skeleton {
    background: linear-gradient(90deg, var(--bg-light) 25%, var(--bg-medium) 50%, var(--bg-light) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 选中文本样式 */
::selection {
    background: var(--secondary-color);
    color: var(--bg-dark);
}

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