/* 
 * 皇冠娱乐城 - 主样式表
 * 独特的紫金配色方案 + 现代渐变设计
 * 移动端优先响应式设计
 */

/* CSS变量定义 */
:root {
    --primary-gold: #D4AF37;
    --primary-purple: #4A0E4E;
    --secondary-purple: #7B2D8E;
    --dark-bg: #1A0A1F;
    --darker-bg: #0D0510;
    --accent-red: #C41E3A;
    --text-light: #F5F5F5;
    --text-gold: #FFD700;
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F5E6A3 50%, #D4AF37 100%);
    --gradient-purple: linear-gradient(180deg, #4A0E4E 0%, #1A0A1F 100%);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.3);
    --shadow-purple: 0 4px 30px rgba(74, 14, 78, 0.5);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
    background: var(--darker-bg);
    color: var(--text-light);
    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: var(--text-gold);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* 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 20px;
}

/* 头部导航 */
.site-header {
    background: linear-gradient(180deg, var(--primary-purple) 0%, var(--dark-bg) 100%);
    padding: 15px 0;
    border-bottom: 2px solid var(--primary-gold);
    position: relative;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

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

.site-logo img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--primary-gold);
    box-shadow: var(--shadow-gold);
}

.site-logo h1 {
    font-size: 1.5rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: 2px;
}

/* 主导航 */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    background: var(--primary-gold);
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--dark-bg);
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-menu li a {
    display: block;
    padding: 10px 18px;
    color: var(--text-light);
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: rgba(212, 175, 55, 0.2);
    color: var(--text-gold);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gold);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-menu li a:hover::after {
    width: 80%;
}

/* CTA按钮 */
.cta-btn {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--dark-bg) !important;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-gold);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
}

/* Hero区域 */
.hero-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 60px 20px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(26, 10, 31, 0.7) 0%, rgba(13, 5, 16, 0.9) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: 3rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.hero-feature {
    background: rgba(74, 14, 78, 0.6);
    padding: 20px 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.3);
    backdrop-filter: blur(10px);
}

.hero-feature h3 {
    color: var(--text-gold);
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.hero-feature p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    background: rgba(74, 14, 78, 0.3);
}

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

.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.breadcrumb-list li::after {
    content: '›';
    color: var(--primary-gold);
}

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

.breadcrumb-list li a {
    color: var(--text-light);
    opacity: 0.8;
}

.breadcrumb-list li a:hover {
    opacity: 1;
    color: var(--text-gold);
}

.breadcrumb-list li.current {
    color: var(--text-gold);
}

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

.section-alt {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--primary-purple) 50%, var(--dark-bg) 100%);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.2rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-gold);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-light);
    opacity: 0.8;
    max-width: 700px;
    margin: 0 auto;
}

/* 游戏卡片网格 */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.game-card {
    background: linear-gradient(145deg, var(--primary-purple) 0%, var(--dark-bg) 100%);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
    position: relative;
}

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

.game-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.game-card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-red);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.game-card-content h3 {
    color: var(--text-gold);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.game-card-content p {
    color: var(--text-light);
    opacity: 0.85;
    font-size: 0.95rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.game-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.game-rtp {
    font-size: 0.85rem;
    color: var(--primary-gold);
}

/* 特色功能区 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-box {
    background: rgba(74, 14, 78, 0.4);
    padding: 35px 25px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: var(--transition);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.feature-box h3 {
    color: var(--text-gold);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.feature-box p {
    color: var(--text-light);
    opacity: 0.85;
    font-size: 0.95rem;
}

/* 用户评论 */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.review-card {
    background: linear-gradient(145deg, rgba(74, 14, 78, 0.5) 0%, rgba(26, 10, 31, 0.8) 100%);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.review-avatar {
    width: 55px;
    height: 55px;
    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 {
    color: var(--text-gold);
    font-size: 1.1rem;
}

.review-info span {
    color: var(--text-light);
    opacity: 0.7;
    font-size: 0.85rem;
}

.review-stars {
    color: #FFD700;
    font-size: 1.1rem;
    margin-bottom: 15px;
    letter-spacing: 3px;
}

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

.review-date {
    margin-top: 15px;
    color: var(--text-light);
    opacity: 0.6;
    font-size: 0.85rem;
}

/* FAQ手风琴 */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(74, 14, 78, 0.4);
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.2);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 25px;
    background: transparent;
    border: none;
    text-align: left;
    color: var(--text-gold);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(212, 175, 55, 0.1);
}

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

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

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 25px 25px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 支付方式 */
.payment-methods {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 30px 0;
}

.payment-icon {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 25px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

.payment-icon:hover {
    border-color: var(--primary-gold);
    background: rgba(212, 175, 55, 0.1);
}

.payment-icon img {
    height: 30px;
    width: auto;
}

/* 作者信息 */
.author-box {
    background: linear-gradient(145deg, var(--primary-purple) 0%, var(--dark-bg) 100%);
    padding: 35px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(212, 175, 55, 0.3);
    display: flex;
    gap: 25px;
    align-items: flex-start;
    margin: 40px 0;
}

.author-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--dark-bg);
    flex-shrink: 0;
}

.author-info h3 {
    color: var(--text-gold);
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.author-title {
    color: var(--primary-gold);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

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

/* 内容文章 */
.content-article {
    max-width: 900px;
    margin: 0 auto;
}

.content-article h2 {
    color: var(--text-gold);
    font-size: 1.8rem;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(212, 175, 55, 0.3);
}

.content-article h3 {
    color: var(--primary-gold);
    font-size: 1.4rem;
    margin: 30px 0 15px;
}

.content-article p {
    margin-bottom: 20px;
    text-align: justify;
}

.content-article ul,
.content-article ol {
    margin: 20px 0;
    padding-left: 30px;
}

.content-article li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.content-article blockquote {
    background: rgba(74, 14, 78, 0.4);
    border-left: 4px solid var(--primary-gold);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-style: italic;
}

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

.tag-item {
    background: rgba(74, 14, 78, 0.5);
    color: var(--text-light);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.95rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--transition);
}

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

/* 页脚 */
.site-footer {
    background: linear-gradient(180deg, var(--dark-bg) 0%, #050208 100%);
    padding: 60px 0 30px;
    border-top: 2px solid var(--primary-gold);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--text-gold);
    font-size: 1.2rem;
    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(--primary-gold);
}

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

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

.footer-links a {
    color: var(--text-light);
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--text-gold);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--text-light);
    opacity: 0.8;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(212, 175, 55, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    font-size: 1.2rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    opacity: 0.7;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.age-restriction {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent-red);
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 700;
    margin: 15px 0;
}

.license-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.license-badge {
    height: 60px;
    width: auto;
}

/* 响应式设计 - 移动端优先 */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid var(--primary-gold);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li a {
        padding: 15px;
        border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-features {
        gap: 15px;
    }
    
    .hero-feature {
        padding: 15px 20px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .author-box {
        flex-direction: column;
        text-align: center;
    }
    
    .author-avatar {
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .site-logo h1 {
        font-size: 1.2rem;
    }
    
    .hero-section {
        min-height: 60vh;
        padding: 40px 15px;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .game-card-image {
        height: 160px;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .review-card {
        padding: 20px;
    }
}

/* 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 forwards;
}

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

/* 工具类 */
.text-center { text-align: center; }
.text-gold { color: var(--text-gold); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }

/* 负责任博彩提示 */
.responsible-gaming {
    background: rgba(196, 30, 58, 0.2);
    border: 1px solid var(--accent-red);
    padding: 25px;
    border-radius: var(--border-radius);
    margin: 30px 0;
}

.responsible-gaming h3 {
    color: var(--accent-red);
    margin-bottom: 15px;
}

.responsible-gaming p {
    color: var(--text-light);
    line-height: 1.7;
}

.responsible-gaming a {
    color: var(--accent-red);
}

/* 内容图片样式 */
.content-image {
    margin: 30px 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 2px solid rgba(212, 175, 55, 0.3);
}

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

.content-image figcaption {
    background: rgba(74, 14, 78, 0.5);
    padding: 12px 15px;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
}


/* ==================== 标签页样式 ==================== */
.tags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.tag-category {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tag-category h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-gold);
    color: var(--text-gold);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 标签云样式 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    padding: 20px;
}

.tag-cloud-item {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(74, 14, 78, 0.8), rgba(139, 24, 116, 0.8));
    border-radius: 25px;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.tag-cloud-item.large {
    font-size: 1.2rem;
    padding: 12px 25px;
    background: var(--gradient-gold);
    color: var(--dark-bg);
    font-weight: 600;
}

.tag-cloud-item.medium {
    font-size: 1rem;
    padding: 10px 20px;
}

.tag-cloud-item.small {
    font-size: 0.85rem;
    padding: 8px 15px;
}

.tag-cloud-item:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.4);
}

/* ==================== APP下载页样式 ==================== */
.app-download-section {
    margin: 40px 0;
}

.app-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.app-platform {
    background: linear-gradient(135deg, rgba(74, 14, 78, 0.8), rgba(139, 24, 116, 0.6));
    border-radius: 25px;
    padding: 40px 30px;
    text-align: center;
    border: 2px solid rgba(212, 175, 55, 0.3);
    transition: var(--transition);
}

.app-platform:hover {
    transform: translateY(-10px);
    border-color: var(--primary-gold);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.2);
}

.platform-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.app-platform h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-gold);
}

.app-platform p {
    margin-bottom: 10px;
    color: var(--text-light);
    opacity: 0.8;
}

.version-info {
    font-size: 0.85rem;
    color: var(--text-light);
    opacity: 0.7;
}

.system-req {
    font-size: 0.8rem;
    color: var(--text-light);
    opacity: 0.7;
    margin-bottom: 20px !important;
}

.app-platform .cta-btn {
    margin-top: 20px;
}

.qr-download {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.qr-download h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-gold);
}

.qr-download p {
    margin-bottom: 25px;
    color: var(--text-light);
    opacity: 0.8;
}

.qr-code-placeholder {
    display: inline-block;
}

/* ==================== 响应式优化补充 ==================== */
@media (max-width: 768px) {
    .tags-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tag-category {
        padding: 20px;
    }
    
    .tag-category h2 {
        font-size: 1.1rem;
    }
    
    .tag-item {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    
    .tag-cloud-item.large {
        font-size: 1rem;
        padding: 10px 18px;
    }
    
    .tag-cloud-item.medium {
        font-size: 0.9rem;
        padding: 8px 15px;
    }
    
    .tag-cloud-item.small {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .app-platforms {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .app-platform {
        padding: 30px 20px;
    }
    
    .platform-icon {
        font-size: 3rem;
    }
    
    .app-platform h3 {
        font-size: 1.3rem;
    }
    
    .qr-download {
        padding: 30px 20px;
    }
}

/* ==================== 打印样式 ==================== */
@media print {
    .site-header,
    .site-footer,
    .nav-toggle,
    .cta-btn {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
}