* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    color: #333;
    background-color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
header {
    background-color: rgba(255, 255, 255, 0.95);
    position: fixed;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 15px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: #3b82f6;
}

.logo img {
    width: 100%;
    height: 50px;
    transform: translateZ(0);
    transition: transform 0.7s ease, box-shadow 0.7s ease;
    filter: drop-shadow(0 15px 15px rgba(59, 130, 246, 0.2));
}

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

.nav-links li {
    margin-left: 30px;
}

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

.nav-links a:hover {
    color: #3b82f6;
}

/* 英雄区域 - 修改了图片样式 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(to bottom, #f0f9ff, #e0f2fe);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
    padding-right: 40px;
}

.hero-image {
    flex: 1;
    text-align: center;
    position: relative;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    transform: translateZ(0);
    transition: transform 0.7s ease, box-shadow 0.7s ease;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 15px 15px rgba(59, 130, 246, 0.2));
}

.hero-image img:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    background: linear-gradient(45deg, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 14px 30px;
    background: #3b82f6;
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
    margin-right: 15px;
}

.btn-outline {
    background: transparent;
    border: 2px solid #3b82f6;
    color: #3b82f6;
    box-shadow: none;
}

.btn:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-outline:hover {
    background: #3b82f6;
    color: white;
}

/* 特性部分 */
.features {
    padding: 100px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    border-radius: 16px;
    background: #f8f9fa;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 50px;
    margin-bottom: 20px;
    color: #3b82f6;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

/* 产品展示 */
.product-showcase {
    padding: 100px 0;
    background: linear-gradient(to bottom, #e0f2fe, #f0f9ff);
}

.showcase-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-image {
    max-width: 80%;
    margin: 40px 0;
    border-radius: 24px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

/* 规格部分 - 新的背景色方案 */
.specs {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f0fdfa, #ccfbf1);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.spec-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.spec-item:hover {
    transform: translateY(-5px);
}

.spec-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0d9488;
    margin-bottom: 10px;
}

/* 关于我们部分 */
.about {
    padding: 100px 0;
    background-color: #fff;
}

/* 联系我们部分 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.contact-content {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 60px;
    margin-top: 50px;
}

.contact-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 300px;
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 30px;
    transition: all 0.3s;
}

.contact-method:hover .contact-icon {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}

.contact-method h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.contact-method p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.qr-code {
    width: 180px;
    height: 180px;
    background: white;
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
}

.qr-code img {
    width: 100%;
    height: 100%;
}

/* 重新设计的页脚 */
footer {
    background: #1c1c1e;
    color: #fff;
    padding: 25px 0 15px;
}

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

.copyright {
    font-size: 0.9rem;
    color: #999;
}

.beian {
    color: #999;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.beian:hover {
    color: #3b82f6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .hero-image img {
        max-width: 90%;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .btn {
        margin-bottom: 15px;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}