* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: #0a0a0a;
    color: #fff;
    line-height: 1.6;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 0 50px;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
}

.logo-icon {
    width: 40px;
    height: 40px;

    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #f59e0b;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 100px 50px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(217, 119, 6, 0.1) 0%, transparent 50%);
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text h1 span {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: #f59e0b;
    color: #f59e0b;
}

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

.hero-image img {
    max-width: 100%;
    max-height: 500px;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

/* Stats Section */
.stats {
    padding: 80px 50px;
    background: linear-gradient(180deg, #0a0a0a 0%, #111 100%);
}

.stats-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Product Section */
.product {
    padding: 120px 50px;
    background: #0a0a0a;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.section-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.product-showcase {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-images {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-images img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s;
}

.product-images img:hover {
    transform: scale(1.02);
}

.product-info h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #f59e0b;
}

.product-info .subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

.product-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    margin-bottom: 32px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
}

.feature-list li::before {
    content: '✓';
    color: #f59e0b;
    font-weight: bold;
}

/* Video Section */
.video-section {
    padding: 120px 50px;
    background: linear-gradient(180deg, #0a0a0a 0%, #111 100%);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    background: #000;
}

.video-container video {
    width: 100%;
    display: block;
}

/* Specs Section */
.specs {
    padding: 80px 50px;
    background: linear-gradient(180deg, #111 0%, #0a0a0a 100%);
}

.specs-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.spec-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px;
}

.spec-card h4 {
    color: #f59e0b;
    font-size: 14px;
    margin-bottom: 8px;
}

.spec-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 120px 50px;
    background: #0a0a0a;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: #f59e0b;
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
}

.feature-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 120px 50px;
    background: linear-gradient(180deg, #111 0%, #0a0a0a 100%);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
}

.about-text p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-image {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1));
    border-radius: 20px;
    padding: 60px;
    text-align: center;
}

.about-image h3 {
    font-size: 64px;
    font-weight: 700;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.about-image p {
    color: rgba(255, 255, 255, 0.6);
}

/* Contact Section */
.contact {
    padding: 120px 50px;
    background: #0a0a0a;
}

.contact-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-inner h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-inner > p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
}

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

.contact-item .icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Footer */
.footer {
    padding: 40px 50px;
    background: #050505;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav { padding: 0 20px; }
    .nav-links { display: none; }
    
    .hero { padding: 100px 20px; }
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text h1 { font-size: 36px; }
    .hero-buttons { justify-content: center; }
    
    .stats-inner { grid-template-columns: repeat(2, 1fr); }
    
    .product-showcase { grid-template-columns: 1fr; }
    
    .specs-grid { grid-template-columns: 1fr; }
    
    .features-grid { grid-template-columns: 1fr; }
    
    .about-content { grid-template-columns: 1fr; }
    
    .contact-info { flex-direction: column; gap: 30px; }
}

/* ========== 炫酷动画效果 ========== */

/* 滚动渐入动画 */
.fade-in-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* 卡片悬浮光效 */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.feature-card:hover::before {
    opacity: 1;
}

/* 渐变流动边框 */
.glow-border {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
}

.glow-border::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 18px;
    background: linear-gradient(45deg, #f59e0b, #d97706, #b45309, #f59e0b, #d97706);
    background-size: 400% 400%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s;
    animation: gradientFlow 3s ease infinite;
}

.glow-border:hover::after {
    opacity: 1;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Hero 动画 */
.hero-text h1 {
    animation: slideInLeft 1s ease forwards;
}

.hero-text p {
    animation: slideInLeft 1s ease 0.3s forwards;
    opacity: 0;
}

.hero-buttons {
    animation: slideInLeft 1s ease 0.6s forwards;
    opacity: 0;
}

.hero-image {
    animation: slideInRight 1s ease 0.4s forwards;
    opacity: 0;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 脉冲动画 */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.btn-primary:hover {
    animation: pulse 1s infinite;
}

/* 浮动动画 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-image img {
    animation: float 3s ease-in-out infinite;
}

/* 打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: 3px solid #f59e0b;
    white-space: nowrap;
    animation: typing 3s steps(30) forwards, blink 0.8s step-end infinite;
    width: 0;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

/* 数字计数器 */
.stat-number {
    display: inline-block;
}

/* 发光效果 */
.spec-card {
    transition: all 0.3s ease;
}

.spec-card:hover {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
    transform: translateY(-5px);
}

/* 导航栏滚动效果 */
.nav.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

/* 标题下划线动画 */
.section-header h2 {
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #d97706);
    transition: all 0.5s ease;
    transform: translateX(-50%);
}

.section-header h2:hover::after,
.section-header.visible h2::after {
    width: 100%;
}

/* 鼠标跟随光标 */
.cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
}