/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    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(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-logo h2 {
    color: #6366f1;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #6366f1;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

/* 科技背景效果 */
.tech-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.circuit-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, rgba(99, 102, 241, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(99, 102, 241, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: circuitMove 20s linear infinite;
}

.data-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.data-particles::before,
.data-particles::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: #6366f1;
    border-radius: 50%;
    box-shadow: 
        0 0 10px #6366f1,
        20px 30px 0 #8b5cf6,
        40px 70px 0 #06b6d4,
        60px 20px 0 #10b981,
        80px 90px 0 #f59e0b,
        100px 40px 0 #ef4444;
    animation: particleFloat 15s linear infinite;
}

.data-particles::after {
    animation-delay: -7s;
    transform: translateX(100px);
}

.neural-network {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 60% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    animation: neuralPulse 8s ease-in-out infinite;
}

@keyframes circuitMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(90deg); }
    50% { transform: translateY(-40px) rotate(180deg); }
    75% { transform: translateY(-20px) rotate(270deg); }
}

@keyframes neuralPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* AI徽章 */
.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.5);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.ai-pulse {
    width: 8px;
    height: 8px;
    background: #6366f1;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.ai-text {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
    100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* 打字机效果 */
.typing-text {
    display: inline-block;
}

.cursor {
    display: inline-block;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* 高亮文本 */
.highlight {
    color: #6366f1;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* 技术统计 */
.tech-stats {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #6366f1;
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* 按钮增强 */
.btn-primary, .btn-secondary {
    position: relative;
    overflow: hidden;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
}

.btn-primary {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover .btn-glow {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #6366f1;
    position: relative;
}

.btn-scan {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #6366f1, transparent);
    animation: scan 2s infinite;
}

@keyframes scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #fff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #fff;
    color: #6366f1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #6366f1;
}

/* 产品展示增强 */
.product-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.hologram-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hologram-ring {
    position: absolute;
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
}

.ring-1 {
    width: 200px;
    height: 200px;
    border-style: dashed;
    animation-duration: 8s;
}

.ring-2 {
    width: 300px;
    height: 300px;
    border-style: dotted;
    animation-duration: 12s;
    animation-direction: reverse;
}

.ring-3 {
    width: 400px;
    height: 400px;
    border-style: solid;
    animation-duration: 15s;
}

.product-circle {
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 50%;
    backdrop-filter: blur(20px);
    border: 2px solid rgba(99, 102, 241, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: float 6s ease-in-out infinite;
    box-shadow: 
        0 0 50px rgba(99, 102, 241, 0.3),
        inset 0 0 50px rgba(99, 102, 241, 0.1);
}

.ai-core {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, #6366f1, #8b5cf6);
    border-radius: 50%;
    position: relative;
    animation: coreRotate 4s linear infinite;
}

.ai-core::before {
    content: '🤖';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
}

.data-streams {
    position: absolute;
    width: 100%;
    height: 100%;
}

.stream {
    position: absolute;
    width: 2px;
    height: 20px;
    background: linear-gradient(to bottom, #6366f1, transparent);
    animation: streamFlow 2s linear infinite;
}

.stream-1 { top: 10px; left: 50%; animation-delay: 0s; }
.stream-2 { right: 10px; top: 50%; animation-delay: 0.5s; transform: rotate(90deg); }
.stream-3 { bottom: 10px; left: 50%; animation-delay: 1s; transform: rotate(180deg); }
.stream-4 { left: 10px; top: 50%; animation-delay: 1.5s; transform: rotate(270deg); }

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes coreRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

@keyframes streamFlow {
    0% { opacity: 0; transform: translateY(0); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translateY(-10px); }
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: float 4s ease-in-out infinite;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tech-icon {
    font-size: 1.5rem;
}

.element-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: #6366f1;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.element-1 {
    top: 10%;
    left: 5%;
    animation-delay: -1s;
}

.element-2 {
    top: 20%;
    right: 5%;
    animation-delay: -2s;
}

.element-3 {
    bottom: 20%;
    left: 10%;
    animation-delay: -3s;
}

.element-4 {
    bottom: 10%;
    right: 10%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 功能特色增强 */
.features {
    padding: 6rem 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: backgroundShift 10s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.title-main {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.title-sub {
    display: block;
    font-size: 1rem;
    color: #6366f1;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.feature-icon {
    margin-bottom: 1.5rem;
    position: relative;
}

.icon-container {
    position: relative;
    display: inline-block;
    font-size: 3rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    border: 2px solid rgba(99, 102, 241, 0.3);
}

.tech-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    animation: techSpin 8s linear infinite;
}

.tech-lines::before,
.tech-lines::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: techSpin 6s linear infinite reverse;
}

.tech-lines::after {
    width: 40px;
    height: 40px;
    border-color: rgba(6, 182, 212, 0.4);
    animation-duration: 4s;
}

@keyframes techSpin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.indicator-dot {
    width: 6px;
    height: 6px;
    background: #6366f1;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.indicator-text {
    font-size: 0.8rem;
    color: #6366f1;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 产品系列增强 */
.products {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: gridMove 15s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, 30px); }
}

.products .section-title .title-main {
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.product-card.featured {
    border: 2px solid #6366f1;
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, #ef4444, #f97316);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-glow {
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.product-image {
    height: 250px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-placeholder {
    font-size: 4rem;
    color: white;
    z-index: 2;
    position: relative;
}

.ai-status {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    font-size: 0.8rem;
    color: white;
    z-index: 2;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-dot.active {
    background: #6366f1;
}

.tech-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #6366f1, transparent);
    animation: scanMove 3s linear infinite;
}

.data-flow {
    position: absolute;
    top: 50%;
    left: 0;
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, #6366f1, transparent);
    animation: dataMove 2s linear infinite;
}

@keyframes scanMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(250px); }
}

@keyframes dataMove {
    0% { transform: translateX(0); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateX(320px); opacity: 0; }
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 1.5rem 1rem;
    color: white;
}

.product-card p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 1.5rem 1rem;
    line-height: 1.6;
}

.tech-specs {
    display: flex;
    gap: 0.5rem;
    margin: 0 1.5rem 1rem;
    flex-wrap: wrap;
}

.spec {
    background: rgba(99, 102, 241, 0.2);
    color: #6366f1;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #6366f1;
    margin: 0 1.5rem 1.5rem;
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.btn-product {
    width: calc(100% - 3rem);
    margin: 0 1.5rem 1.5rem;
    padding: 1rem;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-product:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-circuit {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-product:hover .btn-circuit {
    left: 100%;
}

/* 关于我们增强 */
.about {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
    position: relative;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    border-radius: 2px;
}

.about-text p {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.stat {
    text-align: center;
    position: relative;
}

.stat::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: #6366f1;
    border-radius: 1px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #6366f1;
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

.stat-label {
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

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

.about-placeholder {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: aboutScan 3s ease-in-out infinite;
}

@keyframes aboutScan {
    0% { left: -100%; }
    100% { left: 100%; }
}

.team-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: teamFloat 3s ease-in-out infinite;
}

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

/* 联系我们增强 */
.contact {
    padding: 6rem 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: contactPulse 8s ease-in-out infinite;
}

@keyframes contactPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.contact .section-title .title-main {
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.contact-icon {
    font-size: 1.5rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.contact-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: iconScan 2s ease-in-out infinite;
}

@keyframes iconScan {
    0% { left: -100%; }
    100% { left: 100%; }
}

.contact-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

.contact-form .btn-primary {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.contact-form .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.contact-form .btn-primary:hover::before {
    left: 100%;
}

/* 页脚增强 */
.footer {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    color: white;
    padding: 3rem 0 1rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #6366f1, transparent);
    animation: footerScan 3s ease-in-out infinite;
}

@keyframes footerScan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #6366f1;
    position: relative;
}

.footer-section h3::after,
.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: #6366f1;
    border-radius: 1px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.footer-section ul li:hover {
    transform: translateX(5px);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-section ul li a::before {
    content: '▶';
    position: absolute;
    left: -15px;
    opacity: 0;
    transition: all 0.3s ease;
    color: #6366f1;
    font-size: 0.8rem;
}

.footer-section ul li a:hover {
    color: #6366f1;
    padding-left: 15px;
}

.footer-section ul li a:hover::before {
    opacity: 1;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.2);
    color: #6366f1;
    text-decoration: none;
    border-radius: 50%;
    border: 1px solid rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
    transition: left 0.5s;
}

.social-links a:hover {
    background: #6366f1;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.social-links a:hover::before {
    left: 100%;
}

.footer-bottom {
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #6366f1, transparent);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats {
        justify-content: center;
    }
    
    .features-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card.featured {
        transform: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 250px;
    }
}