/* 更新全局样式 */
:root {
    --primary-color: #1e4b94;
    --secondary-color: #f4f8ff;
    --accent-color: #ff6b6b;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --dark-gray: #666;
}

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

body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

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

/* 导航栏样式优化 */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.logo img {
    height: 50px;
}

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

.nav-links li a {
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--primary-color);
}

/* 轮播图样式 */
.hero-section {
    margin-top: 80px;
}

.swiper-container {
    width: 100%;
    height: 600px;
}

.slide-content {
    display: flex;
    align-items: center;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 50%, rgba(255,255,255,0) 100%);
}

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

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-text {
    width: 50%;
    padding-left: 10%;
    color: var(--primary-color);
}

.slide-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.slide-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--dark-gray);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #163c7a;
}

/* 修改轮播图导航按钮样式 */
.swiper-button-next,
.swiper-button-prev {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.8);
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 1.5rem;
}

.swiper-pagination {
    bottom: 30px !important;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    margin: 0 8px !important;
    background: var(--primary-color);
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    opacity: 1;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .swiper-container {
        height: 400px;
    }

    .slide-content {
        background: linear-gradient(0deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 70%, rgba(255,255,255,0.6) 100%);
        flex-direction: column;
        justify-content: flex-end;
        padding-bottom: 2rem;
    }

    .slide-text {
        width: 90%;
        padding: 0 1rem;
        text-align: center;
    }

    .slide-text h2 {
        font-size: 1.8rem;
    }

    .slide-text p {
        font-size: 1rem;
    }
}

/* 公司简介部分 */
.company-intro {
    padding: 7rem 0 5rem;
    background-color: var(--secondary-color);
}

.company-intro h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.2rem;
    color: var(--primary-color);
}

.intro-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
    align-items: center;
    margin-top: 2rem;
}

.intro-text {
    padding-right: 2rem;
}

.btn-more {
    display: inline-block;
    padding: 0.8rem 2rem;
    margin-top: 1.5rem;
    background-color: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.intro-image {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 75%; /* 保持 4:3 的宽高比 */
    overflow: hidden;
}

.intro-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    object-fit: cover;
    transition: transform 0.3s ease;
}

.intro-image:hover img {
    transform: scale(1.02);
}

/* 核心优势部分 */
.advantages {
    padding: 5rem 0;
    background-color: #fff;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    background-color: var(--secondary-color);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
}

.advantage-item .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

/* 页脚样式优化 */
footer {
    background-color: var(--primary-color);
    color: #fff;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.copyright {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .mobile-menu {
        display: block;
    }
    
    .nav-links {
        display: none;
    }
    
    .intro-content,
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .swiper-container {
        height: 400px;
    }
    
    .slide-content h2 {
        font-size: 1.8rem;
    }
    
    .intro-image {
        padding-bottom: 66.67%; /* 移动端调整为 3:2 的宽高比 */
    }
}

/* 新增全局logo文字样式 */
.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: "SimHei", "Microsoft YaHei", sans-serif;
    color: #1e4b94;
    font-size: 1.2rem;
    font-weight: bold;
    margin-left: 15px;
    letter-spacing: 1px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .logo-text {
        font-size: 1rem;
        margin-left: 10px;
    }
    .nav-links a {
        font-size: 1rem; /* 原可能为1.1rem */
        padding: 0.8rem 1.2rem;
        text-decoration: none;
        transition: all 0.3s ease;
    }
}

/* 语言切换按钮样式 */
.language-switcher {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-btn {
    padding: 5px 10px;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    color: var(--primary-color);
    background: transparent;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.language-btn:hover,
.language-btn.active {
    background: var(--primary-color);
    color: white;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .language-switcher {
        position: static;
        margin-left: 20px;
        transform: none;
    }
}

@media (max-width: 768px) {
    .language-switcher {
        display: none;
    }
    
    .mobile-language-switcher {
        display: flex;
        justify-content: center;
        gap: 10px;
        padding: 10px 0;
        background: white;
    }
}
/* 精密机加工模块按钮居中修复 */
.machining-btn-wrapper {
    text-align: center;
    margin-top: 25px;
}

.machining-btn-wrapper .cta-button {
    display: inline-block;
}

/* 精密机加工模块整体排版微调（可选但推荐） */
.machining-section h2,
.machining-section .subtitle {
    text-align: center;
}

.machining-grid {
    margin-top: 20px;
}
/* 精密机加工模块网格布局优化 */
.machining-section {
    padding: 4rem 0;
}

.machining-section h2 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.machining-section .subtitle {
    text-align: center;
    color: #555;
    margin-bottom: 2rem;
}

/* 2×2 网格布局 */
.machining-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 3rem; /* 行间距2rem，列间距3rem */
    max-width: 800px;
    margin: 0 auto; /* 居中网格 */
}

.machining-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
    color: #1e4b94;
    font-weight: bold;
}

.machining-item p {
    color: #444;
    line-height: 1.6;
}

/* 按钮与网格保持较近距离 */
.machining-btn-wrapper {
    margin-top: 2rem;
    text-align: center;
}

.machining-btn-wrapper .cta-button {
   display: inline-block;
}

/* —— CNC 页面专用扩展样式 —— */

.page-hero {
    padding: 6rem 0 3rem;
    text-align: center;
    background: var(--secondary-color);
}

.page-hero h1 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.page-hero .subtitle {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 1.5rem;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.badge {
    font-size: 0.85rem;
    background: #e8f0ff;
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 30px;
}

.section {
    padding: 4rem 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.table th, .table td {
    padding: 10px;
    border: 1px solid #ddd;
}

.table th {
    background: #f3f4f6;
    font-weight: bold;
}

.note {
    font-size: 0.8rem;
    color: #777;
    margin-top: 5px;
}

.grid-2 {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    margin-top: 2rem;
}

.card {
    padding: 1.5rem;
    background: #fff;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    transition: 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.card ul {
    padding-left: 1.2rem;
    color: #555;
}

footer {
    background: var(--primary-color);
    color: #fff;
    padding: 1.5rem 0;
    text-align: center;
    margin-top: 3rem;
}