/* 
 * {{SITE_NAME}} - 体育赛事直播平台
 * 独特的渐变紫橙配色方案
 * 移动端优先响应式设计
 */

/* CSS变量定义 */
:root {
    --primary-gradient: linear-gradient(135deg, #6B46C1 0%, #F97316 100%);
    --secondary-gradient: linear-gradient(180deg, #1E1B4B 0%, #312E81 100%);
    --accent-color: #F97316;
    --accent-hover: #EA580C;
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-dark: #1E293B;
    --bg-dark: #0F0D1A;
    --bg-card: rgba(30, 27, 75, 0.85);
    --bg-card-hover: rgba(49, 46, 129, 0.95);
    --border-color: rgba(139, 92, 246, 0.3);
    --shadow-glow: 0 0 30px rgba(249, 115, 22, 0.3);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.75;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(107, 70, 193, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* 图片优化 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--accent-hover);
}

/* 导航栏 - 非sticky */
.site-header {
    background: var(--secondary-gradient);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

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

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-link {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(249, 115, 22, 0.15);
    color: var(--accent-color);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-smooth);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(249, 115, 22, 0.4);
    color: white;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 13, 26, 0.3) 0%, rgba(15, 13, 26, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem 1rem;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(249, 115, 22, 0.2);
    border: 1px solid var(--accent-color);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #F97316 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: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 1rem 2rem;
    background: var(--primary-gradient);
    color: white;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(249, 115, 22, 0.5);
    color: white;
}

.btn-secondary {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background: rgba(107, 70, 193, 0.2);
    border-color: var(--accent-color);
    color: var(--text-primary);
}

/* 内容区域 */
.content-section {
    padding: 4rem 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(107, 70, 193, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    color: #A78BFA;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.75rem;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* 比赛卡片 */
.match-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

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

.match-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.match-content {
    padding: 1.25rem;
}

.match-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(249, 115, 22, 0.2);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--accent-color);
    margin-bottom: 0.75rem;
}

.match-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.match-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.match-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.match-link:hover {
    gap: 0.75rem;
}

/* 评论区域 */
.review-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.75rem;
    transition: var(--transition-smooth);
}

.review-card:hover {
    background: var(--bg-card-hover);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
}

.review-info {
    flex: 1;
}

.review-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

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

.review-stars {
    color: #FBBF24;
    font-size: 1rem;
    letter-spacing: 2px;
}

.review-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.review-date {
    font-size: 0.8rem;
    color: rgba(203, 213, 225, 0.6);
}

/* FAQ区域 */
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
}

.faq-question:hover {
    background: rgba(107, 70, 193, 0.1);
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--accent-color);
    transition: var(--transition-smooth);
}

.faq-answer {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 支付方式 */
.payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.payment-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.payment-item:hover {
    border-color: var(--accent-color);
}

.payment-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

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

/* 牌照区域 */
.license-section {
    background: var(--secondary-gradient);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    text-align: center;
    margin: 3rem 0;
}

.license-badge {
    width: 120px;
    height: auto;
    margin: 0 auto 1.5rem;
    border-radius: 12px;
}

.license-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.license-info {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 页脚 */
.site-footer {
    background: var(--secondary-gradient);
    border-top: 1px solid var(--border-color);
    padding: 4rem 1rem 2rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

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

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

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

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(107, 70, 193, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--accent-color);
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

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

.age-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #DC2626;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    color: white;
}

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

/* 面包屑导航 */
.breadcrumb {
    padding: 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    font-size: 0.9rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

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

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

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

/* 内页样式 */
.page-hero {
    position: relative;
    padding: 4rem 1rem;
    text-align: center;
    background: var(--secondary-gradient);
    border-bottom: 1px solid var(--border-color);
}

.page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 文章内容 */
.article-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 2.5rem 0 1.25rem;
    color: var(--text-primary);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.article-content h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.article-content p {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.article-content ul,
.article-content ol {
    margin: 1.25rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.article-content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.article-content img {
    border-radius: 16px;
    margin: 2rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* 作者信息 */
.author-box {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.author-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    flex-shrink: 0;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.author-title {
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

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

/* 标签页面 */
.tags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.tag-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.tag-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.tag-card a {
    color: var(--text-primary);
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        padding: 1rem 0;
        border-top: 1px solid var(--border-color);
        margin-top: 1rem;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        text-align: center;
    }
    
    .hero-section {
        min-height: 60vh;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    .content-section {
        padding: 2.5rem 1rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .author-box {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* 无障碍优化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --border-color: rgba(255, 255, 255, 0.5);
    }
}