/* 
 * 雷火电竞 体育直播网站样式表
 * 版本: 1.0.0
 * 主题: 深蓝橙色运动风格
 */

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

:root {
    --primary-color: #FF6B35;
    --primary-dark: #E55A2B;
    --secondary-color: #1A2B4A;
    --secondary-light: #2D4263;
    --accent-color: #00D4FF;
    --text-color: #333333;
    --text-light: #666666;
    --text-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-dark: #0D1B2A;
    --border-color: #E0E0E0;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FF8F5E 100%);
    --gradient-secondary: linear-gradient(135deg, #1A2B4A 0%, #2D4263 100%);
    --gradient-accent: linear-gradient(135deg, #00D4FF 0%, #0099CC 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

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

.section {
    padding: 60px 0;
}

.section-dark {
    background: var(--gradient-secondary);
    color: var(--text-white);
}

.section-light {
    background-color: var(--text-white);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ==================== 头部导航 ==================== */
.header {
    background: var(--gradient-secondary);
    padding: 12px 0;
    position: relative;
    z-index: 100;
}

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

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

.logo img {
    width: 48px;
    height: 48px;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--text-white);
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--transition);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    color: var(--text-white);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(255,255,255,0.15);
    color: var(--accent-color);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-primary);
    color: var(--text-white) !important;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==================== Hero区域 ==================== */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    background: var(--gradient-secondary);
    overflow: hidden;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    padding: 60px 0;
    text-align: center;
    color: var(--text-white);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--text-white);
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--text-white);
    color: var(--secondary-color);
}

/* ==================== 面包屑导航 ==================== */
.breadcrumb {
    background: var(--bg-light);
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
}

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

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

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

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

.breadcrumb-list .current {
    color: var(--text-color);
    font-weight: 500;
}

/* ==================== 赛事卡片 ==================== */
.match-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.match-card {
    background: var(--text-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.match-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.match-card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

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

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

.match-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.match-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

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

.match-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.match-card-link:hover {
    gap: 10px;
}

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

.feature-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--text-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.feature-icon img {
    width: 36px;
    height: 36px;
    filter: brightness(0) invert(1);
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ==================== 用户评论 ==================== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--text-white);
    padding: 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.15;
    font-family: Georgia, serif;
    line-height: 1;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.3rem;
    font-weight: 700;
}

.review-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary-color);
}

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

.review-stars {
    color: var(--warning-color);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

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

.review-date {
    margin-top: 14px;
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ==================== FAQ区域 ==================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--text-white);
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--secondary-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

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

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

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--text-light);
    line-height: 1.7;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ==================== 支付方式 ==================== */
.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
}

.payment-item {
    background: var(--text-white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.payment-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.payment-item img {
    height: 32px;
    width: auto;
}

.payment-item span {
    font-weight: 500;
    color: var(--secondary-color);
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

.footer-col a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 10px;
}

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

.footer-badges img {
    height: 50px;
    width: auto;
    border-radius: var(--radius-sm);
}

.age-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--danger-color);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1rem;
}

/* ==================== 内容页面 ==================== */
.page-header {
    background: var(--gradient-secondary);
    padding: 60px 0;
    text-align: center;
    color: var(--text-white);
}

.page-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.content-wrapper {
    padding: 50px 0;
}

.content-main {
    background: var(--text-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.content-main h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 32px 0 16px;
}

.content-main h2:first-child {
    margin-top: 0;
}

.content-main h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin: 24px 0 12px;
}

.content-main p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.content-main ul,
.content-main ol {
    margin: 16px 0;
    padding-left: 24px;
}

.content-main li {
    margin-bottom: 10px;
    line-height: 1.7;
    list-style: disc;
}

.content-main ol li {
    list-style: decimal;
}

.content-image {
    margin: 24px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

.content-image figcaption {
    padding: 12px 16px;
    background: var(--bg-light);
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: center;
}

/* ==================== 标签页面 ==================== */
.tags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.tag-item {
    background: var(--text-white);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.tag-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--accent-color);
}

.tag-item a {
    font-weight: 500;
    color: var(--secondary-color);
}

.tag-item:hover a {
    color: var(--primary-color);
}

/* ==================== 作者信息 ==================== */
.author-box {
    display: flex;
    gap: 24px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    margin: 40px 0;
    align-items: flex-start;
}

.author-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 2.5rem;
    font-weight: 700;
}

.author-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

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

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

/* ==================== 响应式设计 ==================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .content-main {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        background: var(--secondary-light);
        padding: 16px;
        border-radius: var(--radius-md);
        margin-top: 16px;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .main-nav a {
        width: 100%;
        text-align: center;
        padding: 12px;
    }
    
    .hero {
        min-height: 400px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    .match-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .author-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .content-main {
        padding: 24px 20px;
    }
    
    .content-main h2 {
        font-size: 1.4rem;
    }
    
    .content-main h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .tags-grid {
        grid-template-columns: 1fr 1fr;
    }
}

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

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

/* ==================== 工具类 ==================== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-color);
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}