/* ====================== 力行科技 - 科技风格样式 ====================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: #e0f0ff;
    background: linear-gradient(135deg, #0a1428 0%, #1a2a4a 100%);
    min-height: 100vh;
}

/* 顶部栏 */
.topbar {
    background: rgba(0, 0, 0, 0.8);
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px solid #1e90ff;
}

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

.lang-switch a {
    color: #80cfff;
    text-decoration: none;
    margin: 0 5px;
}

.lang-switch a:hover {
    color: #00d4ff;
}

/* 导航栏 */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 2px solid #1e90ff;
}

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

.logo h1 {
    color: #00d4ff;
    font-size: 24px;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.logo h1 span {
    font-size: 14px;
    display: block;
    color: #a0c4ff;
    margin-top: -5px;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.navbar ul li a {
    color: #e0f0ff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.navbar ul li a:hover {
    color: #00d4ff;
}

.navbar ul li a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: linear-gradient(to right, #00d4ff, #1e90ff);
    transition: width 0.3s;
}

.navbar ul li a:hover:after {
    width: 100%;
}

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

/* Hero 区域 */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(rgba(10, 20, 40, 0.85), rgba(10, 20, 40, 0.9)), url('../images/hero-bg.jpg') center/cover no-repeat;
    color: white;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d4ff, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
    color: #b0d4ff;
}

.btn-primary {
    display: inline-block;
    padding: 14px 36px;
    background: linear-gradient(45deg, #1e90ff, #00bfff);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.4s;
    box-shadow: 0 8px 20px rgba(30, 144, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(30, 144, 255, 0.6);
}

/* 通用标题 */
h1, h2, h3 {
    color: #ffffff;
    margin-bottom: 20px;
}

h1 {
    font-size: 42px;
    text-align: center;
    padding: 60px 0 30px;
}

/* 关于我们 & 内容区 */
.about-content, .contact-content, .product-detail {
    padding: 80px 0;
    background: rgba(255,255,255,0.03);
}

.about-content p, .contact-content p {
    font-size: 17px;
    color: #c0d8ff;
    margin-bottom: 25px;
}

/* 产品网格 */
.products-grid {
    padding: 80px 0;
}

.product-category {
    background: rgba(30, 45, 80, 0.6);
    border: 1px solid #1e90ff;
    border-radius: 12px;
    padding: 35px 25px;
    margin-bottom: 30px;
    transition: all 0.4s;
}

.product-category:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(30, 144, 255, 0.25);
    border-color: #00d4ff;
}

.product-category h3 {
    color: #00f0ff;
    margin-bottom: 15px;
    font-size: 22px;
}

.btn-more {
    display: inline-block;
    margin-top: 15px;
    color: #00d4ff;
    text-decoration: none;
    font-weight: 500;
}

.btn-more:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* 产品详情 */
.product-detail .detail-content {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.product-image {
    flex: 1;
    min-width: 300px;
    background: #112244;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
}

.product-info {
    flex: 1;
    min-width: 300px;
}

/* 联系我们表单 */
.contact-form {
    background: rgba(20, 35, 70, 0.7);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #1e90ff;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 20px;
    background: rgba(255,255,255,0.1);
    border: 1px solid #1e90ff;
    border-radius: 8px;
    color: white;
    font-size: 16px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.contact-form button {
    padding: 14px 40px;
    background: linear-gradient(45deg, #1e90ff, #00bfff);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
}

/* Footer */
footer {
    background: #0a1428;
    padding: 50px 0 30px;
    text-align: center;
    border-top: 1px solid #1e3a8a;
    color: #94a3c0;
    font-size: 15px;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .navbar ul {
        gap: 15px;
        font-size: 15px;
    }
    
    .hero h2 {
        font-size: 36px;
    }
    
    .product-detail .detail-content {
        flex-direction: column;
    }
}

/* 额外科技感效果 */
.page-banner {
    background: linear-gradient(90deg, #1e3a8a, #0f172a);
    padding: 100px 0;
    text-align: center;
    color: white;
}

.page-banner h1 {
    font-size: 52px;
    margin: 0;
    text-shadow: 0 0 20px rgba(30, 144, 255, 0.6);
}