/* style.css - 爱游戏体育官网 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --primary: #1a1a2e;
    --secondary: #e94560;
    --accent: #0f3460;
    --light: #f5f5f5;
    --dark: #121212;
    --glass: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    --radius: 16px;
    --transition: all 0.3s ease;
}
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--light);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}
body.dark-mode {
    background: var(--dark);
    color: #e0e0e0;
}
body.dark-mode header,
body.dark-mode footer,
body.dark-mode .card {
    background: #1e1e1e;
    color: #e0e0e0;
}
a {
    color: var(--secondary);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: #ff6b81;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: var(--transition);
}
header.scrolled {
    background: rgba(26, 26, 46, 0.95);
    box-shadow: var(--shadow);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
}
.logo svg {
    width: 40px;
    height: 40px;
}
nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}
nav ul li a {
    color: #fff;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 8px;
    transition: var(--transition);
}
nav ul li a:hover,
nav ul li a.active {
    background: var(--secondary);
    color: #fff;
}
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    background: none;
    border: none;
    padding: 5px;
}
.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: var(--transition);
}
.dark-toggle {
    background: none;
    border: 2px solid #fff;
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}
.dark-toggle:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}
@media (max-width: 768px) {
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(26, 26, 46, 0.98);
        padding: 20px;
        gap: 15px;
    }
    nav ul.open {
        display: flex;
    }
    .menu-toggle {
        display: flex;
    }
}
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 50%, #e94560 100%);
    color: #fff;
    padding: 100px 20px 60px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(233, 69, 96, 0.2) 0%, transparent 70%);
    animation: pulse 6s ease-in-out infinite;
}
@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}
.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}
.btn {
    display: inline-block;
    padding: 16px 40px;
    background: var(--secondary);
    color: #fff;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
}
.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.6);
}
.btn-outline {
    background: transparent;
    border: 2px solid #fff;
    box-shadow: none;
}
.btn-outline:hover {
    background: #fff;
    color: var(--primary);
}
.hero-banner {
    margin-top: 40px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}
.banner-card {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 30px;
    width: 250px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}
.banner-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}
.banner-card svg {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}
.banner-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}
.section {
    padding: 80px 20px;
}
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary);
    margin: 15px auto 0;
    border-radius: 2px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}
.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    text-align: center;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}
.card svg {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}
.card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}
.card p {
    color: #666;
    line-height: 1.7;
}
body.dark-mode .card p {
    color: #aaa;
}
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
}
.stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.stat-item {
    text-align: center;
}
.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary);
}
.stat-label {
    font-size: 1rem;
    color: #888;
}
.faq-item {
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}
body.dark-mode .faq-item {
    background: #2a2a2a;
}
.faq-question {
    padding: 20px 25px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}
.faq-question:hover {
    background: rgba(233, 69, 96, 0.1);
}
.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: var(--transition);
}
.faq-item.active .faq-question::after {
    content: '-';
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 25px;
}
.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 25px 20px;
}
.faq-answer p {
    line-height: 1.7;
}
.howto-steps {
    counter-reset: step;
}
.howto-step {
    background: #fff;
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    padding-left: 70px;
}
body.dark-mode .howto-step {
    background: #2a2a2a;
}
.howto-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 20px;
    top: 25px;
    width: 35px;
    height: 35px;
    background: var(--secondary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}
.howto-step h3 {
    margin-bottom: 10px;
}
.articles article {
    background: #fff;
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
body.dark-mode .articles article {
    background: #2a2a2a;
}
.articles article h3 {
    margin-bottom: 10px;
}
.articles article .meta {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 10px;
}
.articles article p {
    line-height: 1.7;
}
.articles article .read-more {
    display: inline-block;
    margin-top: 10px;
    color: var(--secondary);
    font-weight: 600;
}
.testimonial {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
}
body.dark-mode .testimonial {
    background: #2a2a2a;
}
.testimonial svg {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 15px;
}
.testimonial p {
    font-style: italic;
    line-height: 1.7;
}
.testimonial .author {
    font-weight: 700;
    margin-top: 15px;
    color: var(--secondary);
}
.partner-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    align-items: center;
}
.partner-grid svg {
    width: 120px;
    height: 60px;
    opacity: 0.7;
    transition: var(--transition);
}
.partner-grid svg:hover {
    opacity: 1;
}
.breadcrumb {
    padding: 100px 20px 20px;
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.9rem;
    color: #888;
}
.breadcrumb a {
    color: var(--secondary);
}
.footer {
    background: var(--primary);
    color: #ccc;
    padding: 60px 20px 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}
.footer h3 {
    color: #fff;
    margin-bottom: 20px;
}
.footer ul {
    list-style: none;
}
.footer ul li {
    margin-bottom: 10px;
}
.footer ul li a {
    color: #aaa;
    transition: var(--transition);
}
.footer ul li a:hover {
    color: var(--secondary);
}
.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    transform: translateY(-3px);
}
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .stats {
        gap: 30px;
    }
    .stat-number {
        font-size: 2rem;
    }
}
.animated {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}
.animated.visible {
    opacity: 1;
    transform: translateY(0);
}
.search-box {
    display: flex;
    max-width: 500px;
    margin: 0 auto 40px;
    gap: 10px;
}
.search-box input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid #ddd;
    border-radius: 30px;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}
.search-box input:focus {
    border-color: var(--secondary);
}
.search-box button {
    padding: 12px 25px;
    background: var(--secondary);
    color: #fff;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}
.search-box button:hover {
    background: #d63850;
}
body.dark-mode .search-box input {
    background: #2a2a2a;
    border-color: #444;
    color: #e0e0e0;
}