/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --dark-bg: #ffffff;
    --darker-bg: #f8f9fa;
    --card-bg: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--dark-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.logo {
    height: 40px;
    width: auto;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-link:hover {
    color: #fbbf24;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页横幅 */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 50%, var(--dark-bg) 100%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    z-index: 10;
    position: relative;
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
}

.hero-badge i {
    color: var(--accent-color);
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.1;
}

.hero-title .gradient-text {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.hero-title .subtitle {
    display: block;
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-top: 8px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.5;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    padding: 20px 0;
}

.hero-stats .stat-item {
    text-align: center;
}

.hero-stats .stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 4px;
}

.hero-stats .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    position: relative;
    z-index: 15;
}

.hero-buttons .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s ease;
    text-decoration: none;
    border: 2px solid transparent;
    position: relative;
    z-index: 20;
    cursor: pointer;
}

.hero-buttons .btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.4);
}

.hero-buttons .btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.hero-buttons .btn-secondary:hover {
    background: var(--card-bg);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

/* Hero Particles */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.hero-particles::before {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.hero-particles::after {
    bottom: 20%;
    right: 10%;
    animation-delay: 3s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-character {
    max-width: 100%;
    height: auto;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* 游戏展示区域 */
.featured-games {
    padding: 60px 0;
    background: var(--darker-bg);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.game-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
}

.game-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.game-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.game-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.game-card:hover .game-overlay {
    opacity: 1;
}

.game-info {
    text-align: center;
    padding: 20px;
}

.game-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.game-info p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.game-year {
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
    opacity: 0.9;
}

/* 关于我们 */
.about {
    padding: 60px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.company-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 5px;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
}

/* 公司时间线 */
.company-timeline {
    margin: 30px 0;
}

.company-timeline h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px 0;
    border-left: 2px solid var(--primary-color);
    padding-left: 20px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
}

.timeline-year {
    background: var(--gradient-primary);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 60px;
    text-align: center;
    margin-right: 15px;
}

.timeline-content {
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
}

/* 经典作品回顾 */
.classic-games {
    padding: 60px 0;
    background: var(--dark-bg);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 35px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.classic-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.classic-era {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.classic-era:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.era-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.classic-games-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.classic-game {
    display: flex;
    flex-direction: column;
    padding: 15px;
    background: var(--darker-bg);
    border-radius: 10px;
    border-left: 3px solid var(--border-color);
    transition: all 0.3s ease;
}

.classic-game:hover {
    border-left-color: var(--primary-color);
    transform: translateX(5px);
}

.classic-game.featured {
    border-left-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.game-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 5px;
}

.game-date {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 5px;
}

.game-note {
    color: var(--accent-color);
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(245, 158, 11, 0.2);
    padding: 2px 8px;
    border-radius: 10px;
    align-self: flex-start;
    margin-top: 5px;
}

/* 技术特色 */
.features {
    padding: 60px 0;
    background: var(--darker-bg);
}

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

.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 新闻资讯 */
.news {
    padding: 60px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.news-card.featured {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
    position: relative;
}

.news-card.featured::before {
    content: '重要';
    position: absolute;
    top: -8px;
    right: 15px;
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.news-date {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.news-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--secondary-color);
}

/* 页脚 */
.footer {
    background: var(--darker-bg);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--dark-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-stats .stat-number {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 200px;
        justify-content: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .company-stats {
        justify-content: center;
        gap: 30px;
    }

    .company-timeline {
        margin: 20px 0;
    }

    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 15px;
    }

    .timeline-year {
        margin-bottom: 8px;
        margin-right: 0;
    }

    .classic-timeline {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .classic-era {
        padding: 20px;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .games-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .company-stats {
        flex-direction: column;
        gap: 20px;
    }

    .container {
        padding: 0 15px;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

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

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 返回顶部按钮 */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.back-to-top-btn:active {
    transform: translateY(-2px) scale(1.05);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .back-to-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
}