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

:root {
    --primary-color: #6366f1;
    --secondary-color: #ec4899;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
}

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

/* 导航栏 */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero 区域 */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: 140px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="white" stroke-width="0.5" opacity="0.05"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)"/></svg>');
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
    opacity: 0.98;
    font-weight: 500;
}

.hero .subtitle {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.92;
    font-weight: 300;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 14px 40px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #f97316);
    color: white;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    color: white;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

/* 品牌展示区域 */
.brand-showcase {
    padding: 80px 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
    position: relative;
    overflow: hidden;
}

.brand-showcase::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.brand-showcase::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
}

.brand-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.brand-text h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
    font-weight: 800;
}

.brand-tagline {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

.brand-description {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 2.5rem;
}

.brand-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

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

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
}

/* 游戏区域 */
.games {
    padding: 100px 20px;
    background: var(--bg-white);
}

.games h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--text-dark);
    font-weight: 800;
    position: relative;
    display: inline-block;
    width: 100%;
}

.games h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.game-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.game-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
}

.game-card:hover::before {
    transform: scaleX(1);
}

.game-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.game-card:nth-child(1) .game-icon { animation-delay: 0s; }
.game-card:nth-child(2) .game-icon { animation-delay: 0.2s; }
.game-card:nth-child(3) .game-icon { animation-delay: 0.4s; }
.game-card:nth-child(4) .game-icon { animation-delay: 0.6s; }

.game-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
}

.game-card p {
    color: var(--text-light);
    margin-bottom: 1.8rem;
    line-height: 1.8;
    font-size: 0.95rem;
}

.features {
    list-style: none;
    margin-bottom: 2rem;
}

.features li {
    padding: 0.6rem 0;
    color: var(--text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.features li::before {
    content: '✓';
    display: inline-block;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 20px;
    font-size: 0.8rem;
    margin-right: 0.8rem;
    flex-shrink: 0;
}

.game-card .btn {
    width: 100%;
    text-align: center;
}

/* 关于我们 */
.about {
    padding: 100px 20px;
    background: var(--bg-white);
    position: relative;
}

.about h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--text-dark);
    font-weight: 800;
    position: relative;
    display: inline-block;
    width: 100%;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 1.8rem;
    line-height: 1.9;
    font-size: 1.05rem;
}

.about-text h4 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin: 2.5rem 0 1.5rem 0;
    font-weight: 700;
}

.values {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.values li {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
    border-radius: 12px;
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.values li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.values li:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: rgba(99, 102, 241, 0.2);
}

.values li:hover::before {
    transform: scaleX(1);
}

.values strong {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* 联系我们 */
.contact {
    padding: 100px 20px;
    background: var(--bg-light);
    position: relative;
}

.contact h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--text-dark);
    font-weight: 800;
    position: relative;
    display: inline-block;
    width: 100%;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

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

.contact-info a:hover {
    color: var(--secondary-color);
}

/* 反馈表单 */
.feedback-form {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.feedback-form h3 {
    font-size: 1.6rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-weight: 700;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-dark);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    background: var(--bg-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: rgba(99, 102, 241, 0.02);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    font-family: inherit;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
    margin-top: 1rem;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

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

.social-links a {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

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

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: white;
    padding: 4rem 20px 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

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

.footer-section li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section a:hover {
    color: var(--accent-color);
    transform: translateX(4px);
}

.footer-section p {
    color: #d1d5db;
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
    position: relative;
    z-index: 1;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .games h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer .container {
        grid-template-columns: 1fr;
    }

    .social-links {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .nav-links {
        gap: 0.5rem;
        font-size: 0.8rem;
    }

    .logo h1 {
        font-size: 1.3rem;
    }
}