/* 智驾大师网站样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 通用样式组件 */
.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 102, 204, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
    pointer-events: none;
}

.neon-text {
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 102, 204, 0.8), 0 0 20px rgba(0, 102, 204, 0.5), 0 0 30px rgba(0, 102, 204, 0.3);
    background: linear-gradient(135deg, #ffffff, #a0cfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
}

.frosted-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 2;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 21, 41, 0.95); /* 深蓝色半透明背景 */
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    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: #0066cc;
    font-size: 1.8rem;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 102, 204, 0.8), 0 0 20px rgba(0, 102, 204, 0.5);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    display: inline-block;
    padding: 10px 20px;
    border-radius: 25px;
    overflow: hidden;
}

.nav-logo h2:hover {
    color: white;
    transform: scale(1.1) rotateY(15deg);
    text-shadow: 0 0 20px rgba(0, 102, 204, 1), 0 0 40px rgba(0, 102, 204, 0.7);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.2), rgba(0, 163, 224, 0.2));
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.4);
}

.nav-logo h2::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: all 0.8s ease;
}

.nav-logo h2:hover::before {
    left: 100%;
}

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

.nav-item {
    margin-left: 2rem;
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: #f8f9fa; /* 更亮的文字颜色 */
    font-weight: 700;
    font-size: 1.3rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* 增强的缓动函数 */
    position: relative;
    padding: 12px 18px; /* 增加内边距 */
    border-radius: 30px; /* 圆角按钮效果 */
    background: rgba(0, 21, 41, 0.7); /* 深蓝色背景 */
    margin: 0 5px; /* 增加按钮间距 */
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.2);
    backface-visibility: hidden;
}

.nav-link:hover {
    color: white;
    background: linear-gradient(135deg, #0066cc, #00a3e0); /* 渐变色背景 */
    transform: translateY(-8px) scale(1.08) rotateX(8deg); /* 增强的3D悬停效果 */
    box-shadow: 0 15px 30px rgba(0, 102, 204, 0.6), 0 0 30px rgba(0, 102, 204, 0.4); /* 更强的阴影和发光效果 */
    border-radius: 30px;
    border: 2px solid rgba(0, 102, 204, 0.8);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 4px; /* 增加下划线高度 */
    bottom: 0;
    left: 50%;
    background: linear-gradient(90deg, #0066cc, #ff6b35);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* 增强的缓动函数 */
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 102, 204, 0.8);
}

.nav-link:hover::after {
    width: 90%; /* 增加下划线宽度 */
    height: 6px; /* 悬停时增加下划线高度 */
}

.nav-link.active {
    color: white;
    background: linear-gradient(135deg, #0066cc, #00a3e0); /* 激活状态使用渐变背景 */
    transform: translateY(-5px) scale(1.05) rotateX(5deg);
    border-radius: 30px;
    box-shadow: 0 12px 25px rgba(0, 102, 204, 0.5);
}

.nav-link.active::after {
    width: 90%;
    height: 6px;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0%, rgba(0, 102, 204, 0.3) 100%);
    transform: translate(-50%, -50%);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: -1;
}

.nav-link:hover::before {
    width: 400px;
    height: 400px;
    opacity: 0;
}

/* 移除nav-item的before伪元素，因为我们已经在nav-link上有了丰富的效果 */

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.hamburger:hover {
    background: rgba(0, 102, 204, 0.2);
    transform: scale(1.1);
}

.bar {
    width: 25px;
    height: 3px;
    margin: 3px 0;
    background-color: #0066cc;
    transition: 0.3s;
    border-radius: 2px;
    box-shadow: 0 0 5px rgba(0, 102, 204, 0.5);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 轮播图导航按钮增强 */
.full-width-carousel-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    z-index: 3;
    pointer-events: none;
}

.full-width-prev-btn,
.full-width-next-btn {
    padding: 20px 15px;
    background: rgba(0, 21, 41, 0.8);
    border: 2px solid rgba(0, 102, 204, 0.5);
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-radius: 0 8px 8px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    pointer-events: auto;
    backdrop-filter: blur(10px);
}

.full-width-prev-btn {
    border-radius: 8px 0 0 8px;
}

.full-width-prev-btn:hover,
.full-width-next-btn:hover {
    background: linear-gradient(135deg, #0066cc, #00a3e0);
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.5);
    border-color: rgba(0, 102, 204, 0.8);
}

/* 轮播图指示器增强 */
.full-width-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.full-width-dot {
    width: 15px;
    height: 15px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid rgba(0, 102, 204, 0.5);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.full-width-dot.active {
    background: #0066cc;
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(0, 102, 204, 0.8);
    border-color: #0066cc;
}

.full-width-dot:hover {
    background: rgba(0, 102, 204, 0.6);
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(0, 102, 204, 0.6);
}

/* 增强涟漪效果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
    animation: rippleEffect 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes rippleEffect {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) scale(4);
        opacity: 0;
    }
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #001529, #0066cc);
    color: white;
}

.hero-content {
    z-index: 2;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: fadeInUp 1s ease 0.4s both;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
    backface-visibility: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
    z-index: 0;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
    opacity: 0;
}

.cta-button:hover {
    background: linear-gradient(135deg, #ff8c42, #ff6b35);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(255, 107, 53, 0.4), 0 0 30px rgba(255, 107, 53, 0.5), 0 0 45px rgba(255, 107, 53, 0.3);
    animation: glowPulse 1.5s infinite alternate;
}

.cta-button:active {
    transform: translateY(-2px) scale(0.98);
    box-shadow: 0 8px 15px rgba(255, 107, 53, 0.4);
}

.cta-button span {
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.cta-button:hover span {
    transform: translateY(-2px);
}

.cta-button:active span {
    transform: translateY(1px);
}

/* 主CTA按钮样式 */
.cta-button.primary {
    background: linear-gradient(135deg, #0066cc, #0088ff);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3), 0 0 15px rgba(0, 102, 204, 0.2);
}

.cta-button.primary:hover {
    background: linear-gradient(135deg, #0088ff, #0066cc);
    box-shadow: 0 15px 30px rgba(0, 102, 204, 0.4), 0 0 30px rgba(0, 102, 204, 0.5), 0 0 45px rgba(0, 102, 204, 0.3);
    animation: glowPulsePrimary 1.5s infinite alternate;
}

/* 次要CTA按钮样式 */
.cta-button.secondary {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3), 0 0 15px rgba(44, 62, 80, 0.2);
}

.cta-button.secondary:hover {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    box-shadow: 0 15px 30px rgba(44, 62, 80, 0.4), 0 0 30px rgba(44, 62, 80, 0.5), 0 0 45px rgba(44, 62, 80, 0.3);
    animation: glowPulseSecondary 1.5s infinite alternate;
}

/* 发光脉冲动画 */
@keyframes glowPulse {
    0% {
        box-shadow: 0 15px 30px rgba(255, 107, 53, 0.4), 0 0 30px rgba(255, 107, 53, 0.5), 0 0 45px rgba(255, 107, 53, 0.3);
    }
    100% {
        box-shadow: 0 15px 30px rgba(255, 107, 53, 0.5), 0 0 40px rgba(255, 107, 53, 0.6), 0 0 60px rgba(255, 107, 53, 0.4);
    }
}

/* 主按钮发光脉冲 */
@keyframes glowPulsePrimary {
    0% {
        box-shadow: 0 15px 30px rgba(0, 102, 204, 0.4), 0 0 30px rgba(0, 102, 204, 0.5), 0 0 45px rgba(0, 102, 204, 0.3);
    }
    100% {
        box-shadow: 0 15px 30px rgba(0, 102, 204, 0.5), 0 0 40px rgba(0, 102, 204, 0.6), 0 0 60px rgba(0, 102, 204, 0.4);
    }
}

/* 次要按钮发光脉冲 */
@keyframes glowPulseSecondary {
    0% {
        box-shadow: 0 15px 30px rgba(44, 62, 80, 0.4), 0 0 30px rgba(44, 62, 80, 0.5), 0 0 45px rgba(44, 62, 80, 0.3);
    }
    100% {
        box-shadow: 0 15px 30px rgba(44, 62, 80, 0.5), 0 0 40px rgba(44, 62, 80, 0.6), 0 0 60px rgba(44, 62, 80, 0.4);
    }
}

.hero-image {
    position: relative;
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.car-3d img {
    width: 400px;
    height: auto;
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.3));
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?auto=format&fit=crop&w=1920&q=80') no-repeat center center;
    background-size: cover;
    opacity: 0.1;
    animation: zoomInOut 20s infinite alternate;
}

/* 功能区域样式 */
.features {
    padding: 120px 0;
    background: linear-gradient(135deg, #001529 0%, #003366 100%);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    z-index: 1;
}

.features .container {
    position: relative;
    z-index: 2;
}

.features h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 50px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #0066cc, #ff6b35, #00cc66);
    animation: gradientShift 3s ease infinite;
    background-size: 200% 100%;
}

.feature-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 25px;
    display: block;
    background: linear-gradient(135deg, #0066cc, #ff6b35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: float 3s ease-in-out infinite;
}

.feature-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: #fff;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 102, 204, 0.5);
    background: linear-gradient(135deg, #ffffff, #a0cfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 1rem;
}

.feature-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #0066cc, #ff6b35);
    color: white;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

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

/* 技术展示区域 */
.technology {
    padding: 120px 0;
    background: linear-gradient(135deg, #001529 0%, #003366 50%, #001529 100%);
    position: relative;
    overflow: hidden;
}

.technology::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    z-index: 1;
}

.technology .container {
    position: relative;
    z-index: 2;
}

.technology h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.tech-content {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto 80px;
    flex-wrap: wrap;
}

.tech-image {
    flex: 1;
    min-width: 350px;
    position: relative;
}

.tech-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.tech-image-wrapper img {
    width: 100%;
    display: block;
    transition: transform 0.6s ease;
}

.tech-image-wrapper:hover img {
    transform: scale(1.1);
}

/* 科技光环效果 */
.tech-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.3) 0%, transparent 70%);
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.3;
    }
}

/* 扫描线效果 */
.tech-scan {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: scanMove 2s infinite;
}

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

.floating-cards {
    position: absolute;
    top: 30px;
    right: 30px;
}

.floating-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    padding: 12px 20px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    animation: float 4s ease-in-out infinite;
    transform: translateX(0);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 102, 204, 0.2);
}

.floating-card:hover {
    transform: translateX(-10px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 102, 204, 0.25);
}

.floating-card .card-icon {
    font-size: 1.2rem;
    display: block;
}

.floating-card .card-text {
    font-weight: 500;
    color: #001529;
}

.floating-card:nth-child(2) {
    animation-delay: 1s;
    background: rgba(0, 102, 204, 0.1);
    color: #0066cc;
    border-color: rgba(0, 102, 204, 0.4);
}

.floating-card:nth-child(3) {
    animation-delay: 2s;
    background: rgba(255, 107, 53, 0.1);
    color: #ff6b35;
    border-color: rgba(255, 107, 53, 0.4);
}

.tech-description {
    flex: 1;
    min-width: 350px;
    color: #fff;
}

.tech-title {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: #fff;
    background: linear-gradient(135deg, #0066cc, #ff6b35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-intro {
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    line-height: 1.8;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tech-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.tech-feature-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 102, 204, 0.5);
}

.feature-icon-small {
    font-size: 1.5rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #fff;
    font-weight: 600;
}

.feature-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* 技术细节展示 */
.tech-details {
    max-width: 1200px;
    margin: 0 auto;
}

.tech-details-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
    color: #fff;
}

.tech-detail-item {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 60px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    position: relative;
    min-height: 350px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-detail-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, #0066cc, #ff6b35, #00cc66);
    animation: gradientShift 3s ease infinite;
}

.tech-detail-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

/* 交替布局 */
.tech-detail-item:nth-child(2n) {
    flex-direction: row-reverse;
}

.tech-detail-image {
    flex: 1;
    position: relative;
    overflow: hidden;
    min-height: 350px;
}

.tech-detail-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 40%, rgba(0, 102, 204, 0.2) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
}

.tech-detail-item:hover .tech-detail-image::before {
    opacity: 1;
}

.tech-detail-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform 0.6s ease;
    display: block;
}

.tech-detail-item:hover .tech-detail-image img {
    transform: scale(1.1);
}

/* 图片覆盖层 */
.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.8));
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 3;
}

.tech-detail-item:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    padding: 30px;
    color: #fff;
}

.overlay-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.overlay-content h4 {
    font-size: 1.5rem;
    margin: 0;
}

.tech-detail-text {
    flex: 1;
    padding: 40px;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tech-detail-text h4 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    display: inline-block;
}

.tech-detail-text h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, #0066cc, #ff6b35);
    border-radius: 3px;
}

.tech-detail-text p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin: 0;
    font-size: 1rem;
}

/* 图库区域 */
.gallery {
    padding: 100px 0;
    background: radial-gradient(circle at center, #001529 0%, #003366 100%);
    position: relative;
    overflow: hidden;
    color: white;
}

.gallery::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,102,204,0.3) 0%, rgba(255,255,255,0) 70%);
    z-index: 0;
    animation: glowPulse 4s ease-in-out infinite;
}

.gallery h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.gallery .section-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 350px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    will-change: transform, box-shadow;
}

.gallery-item:hover {
    transform: translateY(-25px) scale(1.05) rotateY(15deg) rotateX(5deg);
    box-shadow: 0 40px 80px rgba(0, 102, 204, 0.6), 0 0 60px rgba(0, 102, 204, 0.3);
    border-color: rgba(0, 102, 204, 0.7);
    background: rgba(255, 255, 255, 0.08);
}

.gallery-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    animation: float 3s ease-in-out infinite;
    opacity: 0.8;
}

.gallery-item:hover .gallery-icon {
    opacity: 1;
    transform: scale(1.2);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.8s ease, brightness 0.6s ease;
    will-change: transform, filter;
}

.gallery-item:hover img {
    transform: scale(1.2) rotate(3deg) translateY(-5px);
    filter: brightness(1.2) contrast(1.1) saturate(1.1);
    box-shadow: inset 0 0 50px rgba(0, 102, 204, 0.3);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, transparent, rgba(0, 102, 204, 0.95));
    color: white;
    padding: 60px 30px 30px;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.overlay-icon {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    background: rgba(0, 102, 204, 0.9);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(0, 102, 204, 0.5);
}

.gallery-overlay h3 {
    font-size: 1.5rem;
    margin: 20px 0 10px;
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.gallery-overlay p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
    text-align: center;
    line-height: 1.5;
}

.gallery-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    backdrop-filter: blur(10px);
    margin: 0 auto;
    display: block;
    width: fit-content;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 轮播图区域 */
.carousel {
    padding: 100px 0;
    background: #001529;
    position: relative;
    overflow: hidden;
    color: white;
}

.carousel h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
}

.carousel-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    height: 500px;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-content {
    background: rgba(0, 21, 41, 0.8);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    max-width: 600px;
    backdrop-filter: blur(10px);
}

.carousel-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.carousel-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.carousel-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 15px;
    height: 15px;
    
}

.carousel-dot.active {
    background: white;
}

/* 粒子系统样式 */
.particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: particle-float 15s infinite linear;
    opacity: 0.5;
    z-index: 1;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* 合并后的智驾前沿全宽轮播 */
.carousel-full-width {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: linear-gradient(to bottom, #001529 0%, #002a5c 50%, #001529 100%);
}

.carousel-header {
    padding: 80px 0 30px;
    background: rgba(0, 21, 41, 0.8);
    text-align: center;
    position: relative;
    z-index: 10;
}

.carousel-header h2 {
    font-size: 3rem;
    margin: 0 0 15px;
    animation: pulse 2s infinite;
}

.carousel-header .section-subtitle {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 横屏通栏轮播图 */
.full-width-carousel {
    position: relative;
    width: 100%;
    height: 700px;
    overflow: hidden;
}

.full-width-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: all 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(1.05);
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.5);
}

.full-width-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 102, 204, 0.3), rgba(0, 204, 255, 0.2));
    z-index: 1;
}

.full-width-slide.active {
    opacity: 1;
    transform: scale(1);
}

.slide-content {
    background: rgba(0, 21, 41, 0.85);
    color: white;
    padding: 50px 60px;
    border-radius: 20px;
    text-align: center;
    max-width: 800px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 102, 204, 0.5);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 100px rgba(0, 102, 204, 0.2);
    position: relative;
    z-index: 2;
    transform: translateY(20px);
    transition: transform 1s ease;
}

.full-width-slide.active .slide-content {
    transform: translateY(0);
}

.slide-content h3 {
    font-size: 2.5rem;
    margin: 0 0 15px;
    color: #00ccff;
    text-shadow: 0 0 20px rgba(0, 204, 255, 0.5);
}

.slide-content p {
    font-size: 1.2rem;
    margin: 0 0 30px;
    line-height: 1.6;
    opacity: 0.9;
}

.slide-content .cta-button {
    padding: 15px 40px;
    font-size: 1.1rem;
    background: linear-gradient(45deg, #0066cc, #00ccff);
    border: none;
    border-radius: 50px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.4);
}

.slide-content .cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.6);
    background: linear-gradient(45deg, #0088ff, #00ffff);
}

/* 轮播导航按钮 */
.full-width-carousel-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 10;
}

.full-width-prev-btn, .full-width-next-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(0, 21, 41, 0.8);
    color: white;
    border: 2px solid rgba(0, 102, 204, 0.5);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.full-width-prev-btn:hover, .full-width-next-btn:hover {
    background: rgba(0, 102, 204, 0.8);
    border-color: rgba(0, 204, 255, 0.8);
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.5);
}

/* 轮播指示器 */
.full-width-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.full-width-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.full-width-dot:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.2);
}

.full-width-dot.active {
    background: #00ccff;
    border-color: rgba(0, 204, 255, 0.8);
    box-shadow: 0 0 20px rgba(0, 204, 255, 0.8);
    transform: scale(1.3);
}


    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s ease;
}

.full-width-dot.active {
    background: white;
}

/* 技术亮点区域 */
.tech-highlights {
    padding: 100px 0;
    background: linear-gradient(135deg, #001529 0%, #003366 100%);
    position: relative;
    overflow: hidden;
    color: white;
}

.tech-highlights h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
}

.tech-highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-highlight-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 50px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #0066cc, #ff6b35, #00cc66);
    animation: gradientShift 3s ease infinite;
    background-size: 200% 100%;
}

.tech-highlight-card:hover {
    transform: translateY(-20px) scale(1.05) rotateX(8deg);
    box-shadow: 0 30px 60px rgba(0, 102, 204, 0.6), 0 0 40px rgba(0, 102, 204, 0.4);
    border-color: rgba(0, 102, 204, 0.8);
    background: linear-gradient(135deg, rgba(0, 21, 41, 0.9), rgba(0, 102, 204, 0.3));
}

.tech-highlight-icon {
    font-size: 4rem;
    margin-bottom: 25px;
    display: block;
    background: linear-gradient(135deg, #0066cc, #ff6b35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: float 3s ease-in-out infinite;
}

.tech-highlight-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: #fff;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 102, 204, 0.5);
    background: linear-gradient(135deg, #ffffff, #a0cfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-highlight-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 1rem;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

/* 联系我们区域 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #001529 0%, #003366 100%);
    position: relative;
    overflow: hidden;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
}

.contact-content {
    display: flex;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    flex: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏响应式 */
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 21, 41, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        backdrop-filter: blur(10px);
        padding: 2rem 0;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 1.5rem 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 15px 30px;
    }
    
    /* 轮播区域响应式 */
    .carousel-header h2 {
        font-size: 2rem;
    }
    
    .full-width-carousel {
        height: 500px;
    }
    
    .slide-content {
        padding: 30px 40px;
        margin: 0 20px;
    }
    
    .slide-content h3 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .full-width-prev-btn, .full-width-next-btn {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
    }
    
    .full-width-carousel-nav {
        padding: 0 15px;
    }
    
    /* 容器响应式 */
    .container {
        padding: 0 20px;
    }
    
    /* 技术亮点区域响应式 */
    .tech-highlights-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 联系我们区域响应式 */
    .contact-content {
        flex-direction: column;
        gap: 30px;
    }
    
    /* 联系表单响应式 */
    .contact-form {
        padding: 30px 25px;
    }
    
    .input-group {
        margin-bottom: 25px;
    }
    
    .input-group input,
    .input-group textarea {
        font-size: 14px;
        padding: 15px;
    }
    
    .input-label {
        font-size: 14px;
    }
    
    .submit-button {
        padding: 15px 30px;
        font-size: 16px;
    }
    
    /* 功能介绍区域响应式 */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 30px 25px;
    }
    
    .feature-card h3 {
        font-size: 1.4rem;
    }
    
    .feature-card p {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    /* 技术亮点卡片响应式 */
    .tech-highlights-grid {
        gap: 25px;
    }
    
    .tech-highlight-card {
        padding: 30px 25px;
    }
    
    .tech-highlight-card h3 {
        font-size: 1.3rem;
    }
    
    .tech-highlight-card p {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .tech-highlight-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    /* 页脚响应式 */
    .footer-content {
        padding: 0 20px;
    }
    
    .social-icons {
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .social-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .footer-links {
        gap: 20px;
        margin-bottom: 20px;
    }
    
    .footer-link {
        font-size: 14px;
    }
    
    .footer-copyright p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    /* 轮播区域响应式 */
    .carousel-header h2 {
        font-size: 1.8rem;
    }
    
    .full-width-carousel {
        height: 400px;
    }
    
    .slide-content {
        padding: 25px 30px;
        margin: 0 15px;
    }
    
    .slide-content h3 {
        font-size: 1.8rem;
    }
    
    .slide-content .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .full-width-prev-btn, .full-width-next-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 102, 204, 0.5);
    background: linear-gradient(135deg, #ffffff, #a0cfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.contact-details p {
    margin: 15px 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    padding-left: 30px;
    position: relative;
    line-height: 1.6;
}

.contact-details p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, #0066cc, #ff6b35);
    border-radius: 1px;
}

.contact-form {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    padding: 50px 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3), 0 0 60px rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.1), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

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

/* 输入组容器 */
.input-group {
    position: relative;
    margin-bottom: 30px;
    z-index: 2;
}

/* 输入框基础样式 */
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 20px 20px 10px 20px;
    border: none;
    border-radius: 12px;
    font-family: 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    color: #fff;
    font-size: 1rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
    resize: none;
}

/* 输入标签样式 */
.input-label {
    position: absolute;
    top: 20px;
    left: 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    z-index: 3;
}

/* 输入边框效果 */
.input-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    border: 2px solid transparent;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05)) border-box;
    -webkit-mask: 
        linear-gradient(#fff 0 0) padding-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask: 
        linear-gradient(#fff 0 0) padding-box, 
        linear-gradient(#fff 0 0);
    mask-composite: exclude;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1;
}

/* 输入框悬停效果 */
.contact-form input:hover,
.contact-form textarea:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.1));
    transform: translateY(-2px);
    box-shadow: inset 0 2px 15px rgba(0, 0, 0, 0.2), 0 3px 15px rgba(0, 102, 204, 0.2);
}

.contact-form input:hover + .input-label,
.contact-form textarea:hover + .input-label {
    color: rgba(0, 153, 255, 0.8);
}

.contact-form input:hover ~ .input-border,
.contact-form textarea:hover ~ .input-border {
    border-color: rgba(0, 102, 204, 0.5);
    box-shadow: 0 0 20px rgba(0, 102, 204, 0.3);
}

/* 输入框聚焦效果 */
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.15));
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2), 0 0 30px rgba(0, 102, 204, 0.5), 0 0 50px rgba(0, 102, 204, 0.3);
    transform: translateY(-3px) scale(1.01);
    animation: inputFocus 0.5s ease-out;
}

.contact-form input:focus + .input-label,
.contact-form textarea:focus + .input-label {
    top: 8px;
    left: 15px;
    color: #0099ff;
    font-size: 0.8rem;
    background: rgba(0, 18, 36, 0.8);
    padding: 0 8px;
    border-radius: 5px;
    border: 1px solid rgba(0, 102, 204, 0.5);
}

.contact-form input:focus ~ .input-border,
.contact-form textarea:focus ~ .input-border {
    border-color: #0066cc;
    box-shadow: 0 0 30px rgba(0, 102, 204, 0.5), 0 0 50px rgba(0, 102, 204, 0.3);
    transform: translateY(-3px) scale(1.01);
}

/* 输入框内容存在时标签保持在上方 */
.contact-form input:not(:placeholder-shown) + .input-label,
.contact-form textarea:not(:placeholder-shown) + .input-label {
    top: 8px;
    left: 15px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    background: rgba(0, 18, 36, 0.8);
    padding: 0 8px;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes inputFocus {
    0% {
        transform: translateY(-2px) scale(1);
        box-shadow: inset 0 2px 15px rgba(0, 0, 0, 0.2), 0 3px 15px rgba(0, 102, 204, 0.2);
    }
    50% {
        transform: translateY(-3px) scale(1.02);
        box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2), 0 0 30px rgba(0, 102, 204, 0.6), 0 0 50px rgba(0, 102, 204, 0.4);
    }
    100% {
        transform: translateY(-3px) scale(1.01);
        box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2), 0 0 30px rgba(0, 102, 204, 0.5), 0 0 50px rgba(0, 102, 204, 0.3);
    }
}

/* 提交按钮样式 */
.submit-button {
    width: 100%;
    padding: 18px 30px;
    background: linear-gradient(135deg, #0066cc, #0088ff);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.4), 0 0 20px rgba(0, 102, 204, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    z-index: 2;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 136, 255, 0.2), rgba(0, 102, 204, 0.2));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.submit-button:hover::before {
    opacity: 1;
}

/* 按钮文字和图标 */
.button-text,
.button-icon {
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

/* 涟漪效果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
    z-index: 1;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 按钮悬停效果 */
.submit-button:hover {
    background: linear-gradient(135deg, #0088ff, #0066cc);
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.6), 0 0 30px rgba(0, 102, 204, 0.5), 0 0 50px rgba(0, 102, 204, 0.3);
    animation: glowPulsePrimary 1.5s infinite alternate;
}

.submit-button:hover .button-text {
    transform: translateX(-5px);
}

.submit-button:hover .button-icon {
    transform: translateX(5px) scale(1.2);
    color: #ffcc00;
}

/* 按钮点击效果 */
.submit-button:active {
    transform: translateY(-2px) scale(0.98);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.5);
    animation: none;
}

.submit-button:active .button-text {
    transform: translateX(0);
}

.submit-button:active .button-icon {
    transform: translateX(0) scale(1);
}

/* 表单状态提示 */
.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    z-index: 2;
    position: relative;
}

.form-status.success {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.5);
    opacity: 1;
    transform: translateY(0);
    animation: successPulse 0.6s ease-out;
}

.form-status.error {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.5);
    opacity: 1;
    transform: translateY(0);
    animation: errorShake 0.6s ease-out;
}

@keyframes successPulse {
    0% { transform: scale(0.95); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); opacity: 1; }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* 提交按钮加载状态 */
.contact-form button.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.contact-form button.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 20px;
    width: 20px;
    height: 20px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* 页脚 */
/* 英雄区统计数据样式 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 50px;
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 30px 40px;
    background: rgba(0, 21, 41, 0.8);
    border-radius: 20px;
    border: 2px solid rgba(0, 102, 204, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    min-width: 200px;
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.05) rotateX(5deg);
    border-color: rgba(0, 102, 204, 0.8);
    box-shadow: 0 12px 30px rgba(0, 102, 204, 0.5), 0 0 40px rgba(0, 102, 204, 0.3);
    background: linear-gradient(135deg, rgba(0, 21, 41, 0.9), rgba(0, 102, 204, 0.3));
}

.stat-item:active {
    transform: translateY(-5px) scale(0.98);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 10px;
    text-shadow: 0 0 15px rgba(0, 102, 204, 0.8), 0 0 30px rgba(0, 102, 204, 0.5);
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #0066cc, #00a3e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item:hover .stat-number {
    font-size: 3.2rem;
    text-shadow: 0 0 20px rgba(0, 102, 204, 1), 0 0 40px rgba(0, 102, 204, 0.7);
    animation: pulse 1.5s ease-in-out infinite;
}

.stat-label {
    display: block;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.stat-item:hover .stat-label {
    color: white;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.footer {
    background: #001529;
    color: white;
    text-align: center;
    padding: 60px 0 40px;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    border-top: 1px solid rgba(0, 102, 204, 0.3);
}

.footer.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 页脚背景装饰 */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    animation: footerGlow 4s ease-in-out infinite alternate;
}

@keyframes footerGlow {
    0% {
        opacity: 0.3;
        transform: scale(1);
    }
    100% {
        opacity: 0.7;
        transform: scale(1.2);
    }
}

/* 页脚装饰线条 */
.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #0066cc, #ff6b35, #0066cc, transparent);
    animation: lineMove 3s linear infinite;
}

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

/* 页脚内容容器 */
.footer-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 社交媒体图标 */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    border: 2px solid transparent;
    color: rgba(255, 255, 255, 0.8);
    font-size: 24px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.3), rgba(255, 107, 53, 0.3));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 50%;
    z-index: -1;
}

.social-icon:hover::before {
    opacity: 1;
}

.social-icon:hover {
    transform: translateY(-10px) scale(1.1);
    border-color: rgba(0, 102, 204, 0.8);
    color: #0066cc;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.5), 0 0 20px rgba(0, 102, 204, 0.3);
    animation: glowPulsePrimary 1.5s infinite alternate;
}

.social-icon-inner {
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.social-icon:hover .social-icon-inner {
    transform: rotate(360deg) scale(1.2);
}

/* 页脚导航链接 */
.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
    padding: 5px 0;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0066cc, #ff6b35);
    transition: width 0.3s ease;
}

.footer-link:hover {
    color: #0066cc;
    text-shadow: 0 0 10px rgba(0, 102, 204, 0.5);
    transform: translateY(-3px);
}

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

/* 页脚版权信息 */
.footer-copyright {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    position: relative;
    z-index: 1;
    font-size: 16px;
    margin: 0;
    padding: 10px;
    letter-spacing: 1px;
    transition: all 0.5s ease;
    animation: textFade 3s ease-in-out infinite alternate;
}

@keyframes textFade {
    0% {
        opacity: 0.8;
        color: rgba(255, 255, 255, 0.8);
    }
    100% {
        opacity: 1;
        color: rgba(255, 255, 255, 1);
        text-shadow: 0 0 10px rgba(0, 102, 204, 0.5), 0 0 20px rgba(255, 107, 53, 0.3);
    }
}

/* 页脚悬停效果 */
.footer:hover .footer-copyright p {
    letter-spacing: 2px;
    color: #0066cc;
    text-shadow: 0 0 15px rgba(0, 102, 204, 0.7), 0 0 30px rgba(0, 102, 204, 0.5);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px); /* 增加浮动幅度 */
    }
    100% {
        transform: translateY(0px);
    }
}

/* 颜色脉冲动画 */
@keyframes colorPulse {
    0% {
        background: linear-gradient(135deg, #0066cc, #ff6b35);
    }
    50% {
        background: linear-gradient(135deg, #00a3e0, #ff8c00); /* 更亮的颜色 */
    }
    100% {
        background: linear-gradient(135deg, #0066cc, #ff6b35);
    }
}

/* 闪烁边框动画 */
@keyframes borderBlink {
    0% {
        filter: blur(0px);
        opacity: 1;
        box-shadow: 0 0 10px rgba(0, 102, 204, 0.5);
    }
    50% {
        filter: blur(8px); /* 增加模糊效果 */
        opacity: 0.8;
        box-shadow: 0 0 30px rgba(0, 102, 204, 0.8);
    }
    100% {
        filter: blur(0px);
        opacity: 1;
        box-shadow: 0 0 10px rgba(0, 102, 204, 0.5);
    }
}

/* 扫描线动画 */
@keyframes scan {
    0% {
        left: -100%;
        width: 50px;
    }
    50% {
        width: 30%; /* 增加扫描线宽度 */
    }
    100% {
        left: 100%;
        width: 50px;
    }
}

/* 粒子动画 */
@keyframes floatParticle {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(150px) rotate(360deg); /* 增加移动距离 */
        opacity: 0;
    }
}

/* 路径动画 */
@keyframes pathMove {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(200%); /* 增加移动距离 */
    }
}

/* 波浪动画 */
@keyframes waveMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 300px 300px; /* 增加移动距离 */
    }
}

/* 几何形状旋转动画 */
@keyframes shapeRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 淡入动画 */
.fade-in-element {
    opacity: 0;
    transform: translateY(50px); /* 增加起始位置偏移 */
    transition: opacity 0.8s ease, transform 0.8s ease; /* 增加过渡时间 */
}

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

/* 鼠标悬停放大效果 */
.feature-card,
.tech-highlight-card,
.gallery-item,
.tech-detail-item {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* 使用更自然的缓动函数 */
}