/* 重置样式和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden; /* 防止横向滚动 */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    overflow-x: hidden; /* 防止横向滚动 */
}

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

/* 导航�?*/
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #eee;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    height: 70px;
    gap: 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    position: absolute;
    left: 20px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.company-name {
    font-size: 24px;
    font-weight: 700;
    color: #000;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    position: absolute;
    right: 20px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #000;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #000;
    transition: width 0.3s ease;
}

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

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 47px;
    left: 0;
    background: white;
    border: 1px solid #eee;
    border-radius: 0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    min-width: 200px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-item {
    display: block;
    padding: 12px 16px;
    color: #2c3e50;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f5f5f5;
    background: white;
    border-radius: 0;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: #2c3e50;
}

/* 首页横幅 */
.hero {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 120px 20px 50px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.hero-content {
    flex: 1;
    max-width: 600px;
    padding-right: 50px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 20px;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: #777;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: #000;
    color: #fff;
    border-color: #000;
}

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: #000;
    border-color: #000;
}

.btn-secondary:hover {
    background-color: #000;
    color: #fff;
    transform: translateY(-2px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    max-width: 400px;
    max-height: 400px;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.hero-logo:hover {
    transform: scale(1.05);
}

/* 通用章节样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    font-weight: 300;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: #f8f9fa;
    scroll-margin-top: 70px;
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 30px;
    line-height: 1.8;
}

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

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* 服务项目 */
.services {
    padding: 100px 0;
    background-color: #fff;
    scroll-margin-top: 70px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.service-card {
    padding: 40px 30px;
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #000 0%, #333 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.service-icon svg {
    width: 40px;
    height: 40px;
    color: #000;
}

.service-card:hover .service-icon {
    background-color: #000;
}

.service-card:hover .service-icon svg {
    color: #fff;
}

.service-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
}

.service-description {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

/* 核心优势 */
.advantages {
    padding: 100px 0;
    background-color: #f8f9fa;
    scroll-margin-top: 70px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.advantage-item {
    text-align: center;
    padding: 30px 20px;
}

.advantage-number {
    font-size: 4rem;
    font-weight: 700;
    color: #000;
    opacity: 0.1;
    margin-bottom: 20px;
    line-height: 1;
}

.advantage-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
}

.advantage-description {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background-color: #fff;
    scroll-margin-top: 70px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: #000;
}

.contact-details h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 5px;
}

.contact-details p {
    color: #666;
    font-size: 1rem;
}

.contact-form {
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background-color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #000;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 页脚 */
.footer {
    background-color: #000;
    color: #fff;
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo .logo-img {
    filter: brightness(0) invert(1);
}

.footer-logo .company-name {
    color: #fff;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
}

.footer-bottom p {
    color: #999;
    font-size: 14px;
    margin-bottom: 5px;
}

/* 响应式设�?*/
/* 中等屏幕尺寸优化 - 防止导航栏重�?*/
@media (max-width: 1024px) and (min-width: 769px) {
    .nav-menu {
        gap: 25px; /* 减少导航项间�?*/
    }
    
    .nav-link {
        font-size: 14px; /* 减小字体 */
    }
    
    .company-name {
        font-size: 20px; /* 减小公司名字�?*/
    }
}

/* 小屏幕进一步优�?*/
@media (max-width: 900px) and (min-width: 769px) {
    .nav-menu {
        gap: 15px; /* 进一步减少间�?*/
    }
    
    .nav-link {
        font-size: 13px; /* 进一步减小字�?*/
    }
    
    .company-name {
        font-size: 18px;
    }
    
    .logo-img {
        height: 35px; /* 减小logo尺寸 */
    }
}

@media (max-width: 768px) {
    /* 移动端隐藏顶部菜单项，但保留导航栏和Logo */
    .nav-menu {
        display: none;
    }
    
    .nav-logo {
        position: static;
        margin: 0 auto;
    }
    
    .nav-container {
        justify-content: center;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 20px 50px;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-logo {
        max-width: 300px;
        max-height: 300px;
    }

    .section-title {
        font-size: 2rem;
    }

    .company-stats {
        flex-direction: column;
        gap: 30px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
    }

    .company-name {
        font-size: 20px;
    }

    .logo-img {
        height: 35px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .container {
        padding: 0 15px;
    }
}

/* 移动端底部导航栏 - 白底黑字主题 */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 1.5rem;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    width: 90%;
    margin-inline: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 1rem 1.5rem;
    border-radius: 2.5rem;
    z-index: 1000;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.mobile-nav__list {
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav__link {
    color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    transition: color 0.4s ease;
    padding: 0.5rem;
}

.mobile-nav__link svg {
    width: 1.2rem;
    height: 1.2rem;
    margin-bottom: 0.25rem;
    transition: all 0.3s ease;
    stroke: rgba(0, 0, 0, 0.7);
}

.mobile-nav__link span {
    font-size: 0.7rem;
    font-weight: 500;
    white-space: nowrap;
}

.mobile-nav__link:hover {
    color: #000;
}

.mobile-nav__link:hover svg {
    transform: translateY(-2px);
    stroke: #000;
}

/* 服务下拉菜单容器 */
.mobile-nav__dropdown {
    position: relative;
}

.mobile-nav__dropdown-list {
    position: fixed; /* 改为fixed定位 */
    bottom: 5.5rem; /* 紧贴移动端导航栏上边 */
    left: 50%; /* 水平居中 */
    transform: translateX(-50%);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    width: auto;
    max-width: 95vw; /* 进一步放宽最大宽度 */
    padding: 0.6rem 1rem; /* 适中的内边距 */
    border-radius: 2rem; /* 圆角条状 */
    display: flex;
    flex-wrap: nowrap; /* 不换行，保持单行 */
    gap: 0.6rem; /* 适当增加间距 */
    justify-content: center; /* 居中对齐 */
    align-items: center;
    border: 1px solid rgba(0, 0, 0, 0.1);
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(1rem) scale(0.8);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1010; /* 提高z-index确保在返回顶部按钮之上 */
    overflow: visible; /* 允许内容显示 */
}

.mobile-nav__dropdown-list.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}

.mobile-nav__dropdown-list li {
    transform: translateY(1rem);
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-nav__dropdown-list.show li {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav__dropdown-list li:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-nav__dropdown-list li:nth-child(2) {
    transition-delay: 0.15s;
}

.mobile-nav__dropdown-list li:nth-child(3) {
    transition-delay: 0.2s;
}

.mobile-nav__dropdown-list li:nth-child(4) {
    transition-delay: 0.25s;
}

.mobile-nav__dropdown-list li:nth-child(5) {
    transition-delay: 0.3s;
}

.mobile-nav__dropdown-link {
    color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    transition: color 0.4s ease;
    padding: 0.3rem 0.4rem; /* 适中的内边距 */
    flex-shrink: 0; /* 不允许缩小，保持完整尺寸 */
    min-width: auto; /* 自适应宽度 */
}

.mobile-nav__dropdown-link svg {
    width: 1.2rem;
    height: 1.2rem;
    margin-bottom: 0.25rem;
    stroke: rgba(0, 0, 0, 0.7);
    transition: all 0.3s ease;
}

.mobile-nav__dropdown-link span {
    font-size: 0.55rem; /* 适中的字体大小 */
    font-weight: 500;
    white-space: nowrap;
    text-align: center;
    /* 移除宽度限制，让文字完整显示 */
}

.mobile-nav__dropdown-link:hover {
    color: #000;
}

.mobile-nav__dropdown-link:hover svg {
    stroke: #000;
    transform: translateY(-2px);
}

.active-link {
    color: #000 !important;
}

.active-link svg {
    transform: translateY(-2px) scale(1.1);
    stroke: #000 !important;
}

/* 移动端显示控�?*/
@media (max-width: 768px) {
    .mobile-nav {
        display: block;
    }
    
    body {
        padding-bottom: 120px;
    }
}

/* 小屏幕设备下拉菜单优化 */
@media (max-width: 380px) {
    .mobile-nav__dropdown-list {
        flex-wrap: nowrap; /* 保持单行不换行 */
        gap: 0.3rem; /* 进一步减小间距 */
        padding: 0.5rem 0.6rem;
        max-width: 98vw; /* 进一步放宽宽度限制 */
        justify-content: center;
    }
    
    .mobile-nav__dropdown-link {
        padding: 0.25rem 0.3rem;
        flex-shrink: 0; /* 不允许缩小 */
    }
    
    .mobile-nav__dropdown-link span {
        font-size: 0.48rem;
        /* 移除max-width限制，让文字完整显示 */
    }
}

@media (min-width: 450px) {
    .mobile-nav {
        width: 380px;
    }
}

/* 侧边目录导航条样�?- 简洁透明设计 */
.side-catalog {
    position: fixed;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1500;
    transition: all 0.3s ease;
    width: 150px;
}

.catalog-line {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(0, 0, 0, 0.3);
}

.catalog-wrapper {
    position: relative;
    max-height: 60vh;
    overflow: hidden;
    padding: 8px 0;
    padding-right: 12px;
}

.catalog-list {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: right;
}

.catalog-item {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 8px 0;
    text-decoration: none;
    color: #333;
    font-size: 12px;
    line-height: 1.3;
    transition: all 0.3s ease;
    position: relative;
    min-height: 30px;
}

/* 右侧圆点 */
.catalog-item::after {
    content: '';
    position: absolute;
    right: -7px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    transition: all 0.3s ease;
}

/* 当前激活状态的圆点 */
.catalog-item.active::after {
    background: #000;
    width: 6px;
    height: 6px;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}

/* 鼠标悬停时的圆点 */
.catalog-item:hover::after {
    background: #000;
    transform: translateY(-50%) scale(1.2);
}

/* 隐藏所有文字内�?*/
.catalog-item .title-index,
.catalog-item span:not(.arrow) {
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
    margin-right: 15px;
    white-space: nowrap;
    font-size: 11px;
    color: #333;
}

/* 当前激活项显示文字 */
.catalog-item.active .title-index,
.catalog-item.active span:not(.arrow) {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    color: #000;
}

/* 鼠标悬停显示文字 */
.catalog-item:hover .title-index,
.catalog-item:hover span:not(.arrow) {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    color: #000;
}

.catalog-item .title-index {
    min-width: 15px;
    font-weight: 600;
    margin-right: 2px;
}

/* 隐藏箭头 */
.catalog-item .arrow {
    display: none;
}

/* 移动端隐藏侧边目�?*/
@media (max-width: 768px) {
    .side-catalog {
        display: none;
    }
}

/* 音量控制按钮样式 */
.volume-control {
    position: fixed;
    bottom: 30px;
    right: 90px; /* 在scroll-to-top按钮左侧 */
    width: 50px;
    height: 50px;
    border: 2px solid #ddd;
    border-radius: 50%;
    background: #fff;
    color: #000;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.volume-control svg {
    width: 20px;
    height: 20px;
    color: #000;
    transition: all 0.3s ease;
}

.volume-control:hover {
    background: #f5f5f5;
    border-color: #999;
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.volume-control:hover svg {
    color: #000;
}

/* 移动端音量控制按钮位置调�?*/
@media (max-width: 768px) {
    .volume-control {
        bottom: 120px; /* 移动端导航栏上方 */
        right: 30px;
    }
}
@media (max-width: 768px) {
    /* 显示底部导航�?*/
    .mobile-bottom-nav {
        display: flex;
    }
    
    /* 调整页面底部间距，为底部导航腾出空间 */
    body {
        padding-bottom: 90px;
    }
    
    .hero {
        padding-top: 90px;
        min-height: calc(100vh - 90px);
    }
}

@media (max-width: 480px) {
    .mobile-bottom-nav {
        height: 75px;
        border-radius: 15px 15px 0 0;
    }
    
    .mobile-nav-item {
        padding: 6px 2px;
    }
    
    .mobile-nav-icon {
        width: 24px;
        height: 24px;
    }
    
    .mobile-nav-icon svg {
        width: 18px;
        height: 18px;
    }
    
    .mobile-nav-text {
        font-size: 10px;
    }
    
    body {
        padding-bottom: 85px;
    }
    
    .hero {
        min-height: calc(100vh - 85px);
    }
}

/* 底部导航栏动画增�?*/
.mobile-nav-item:active {
    transform: scale(0.95);
}

.mobile-nav-item:hover .mobile-nav-icon {
    color: #333;
}

.mobile-nav-item:hover .mobile-nav-text {
    color: #333;
    opacity: 0.9;
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .mobile-nav-item {
        padding: 10px 4px;
        min-height: 60px;
    }
    
    .mobile-nav-item:hover .mobile-nav-icon,
    .mobile-nav-item:hover .mobile-nav-text {
        color: inherit;
        opacity: inherit;
    }
}
@media (hover: none) and (pointer: coarse) {
    .hamburger {
        padding: 15px;
    }

    .nav-link {
        padding: 20px 15px !important;
        margin: 5px 15px !important;
    }

    .nav-link:hover {
        background-color: rgba(0, 0, 0, 0.08);
    }
}

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

.hero-content,
.service-card,
.advantage-item {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样�?*/
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 音量控制按钮 */
.volume-control {
    position: fixed;
    z-index: 1001;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.volume-control svg {
    width: 20px;
    height: 20px;
    color: #333;
    transition: all 0.3s ease;
}

.volume-control:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.3);
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.volume-control.active {
    background: rgba(0, 0, 0, 0.08);
    border-color: #000;
}

.volume-control.active svg {
    color: #000;
}

/* 静音状�?- 隐藏声波线条 */
.volume-control:not(.active) #volumePath {
    display: none;
}

/* 桌面端：左下角位�?*/
@media (min-width: 769px) {
    .volume-control {
        bottom: 30px;
        left: 30px;
    }
}

/* 移动端：右侧位置，通过JavaScript智能避让 */
@media (max-width: 768px) {
    .volume-control {
        bottom: 130px; /* 基础位置，JavaScript会动态调�?*/
        right: 20px; /* 右侧位置 */
        left: auto; /* 移除left定位 */
        width: 36px;
        height: 36px;
        z-index: 999; /* 降低z-index，确保不遮挡导航栏和下拉菜单 */
        transition: bottom 0.4s ease; /* 平滑移动动画 */
    }
    
    .volume-control svg {
        width: 18px;
        height: 18px;
    }
}

/* 音量控制动画效果 */
@keyframes volumePulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.volume-control.clicked {
    animation: volumePulse 0.3s ease;
}

/* 音量控制提示 */
.volume-control::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1002;
}

.volume-control:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: 55px;
}

/* 移动端提示位置调�?*/
@media (max-width: 768px) {
    .volume-control::after {
        bottom: 45px;
        font-size: 11px;
        padding: 3px 6px;
    }
    
    .volume-control:hover::after {
        bottom: 50px;
    }
}

/* ====== 服务页面样式 ====== */

/* 服务页面头部 */
.service-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0,0,0,0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0,0,0,0.02) 0%, transparent 50%);
    pointer-events: none;
}

.service-hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.service-title {
    font-size: 3rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.service-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 30px;
    font-weight: 300;
    line-height: 1.5;
}

.service-breadcrumb {
    font-size: 1rem;
    color: #777;
    position: relative;
}

.service-breadcrumb::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #ddd, transparent);
    margin-top: 20px;
}

.service-breadcrumb a {
    color: #000;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 2px 4px;
    border-radius: 3px;
}

.service-breadcrumb a:hover {
    color: #333;
    background: rgba(0,0,0,0.05);
}

/* 服务详情 */
.service-details {
    padding: 80px 0;
}

.service-content {
    max-width: 1000px;
    margin: 0 auto;
}

.service-overview {
    margin-bottom: 60px;
    text-align: center;
}

.service-overview h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 20px;
}

.service-overview p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* 服务特色 */
.service-features {
    margin-bottom: 80px;
}

.service-features h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 40px;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.feature-icon svg {
    width: 35px;
    height: 35px;
    color: #000;
}

.feature-item:hover .feature-icon {
    background-color: #000;
}

.feature-item:hover .feature-icon svg {
    color: #fff;
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
}

/* 服务流程 */
.service-process {
    margin-bottom: 80px;
}

.service-process h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 40px;
    text-align: center;
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.process-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    position: relative;
}

.process-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 25px;
    top: 60px;
    width: 2px;
    height: 40px;
    background: #eee;
}

.process-number {
    width: 50px;
    height: 50px;
    background: #000;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    margin-right: 30px;
    flex-shrink: 0;
}

.process-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 10px;
}

.process-content p {
    color: #666;
    line-height: 1.6;
}

/* 服务范围和应�?*/
.service-scope,
.service-applications,
.cleanroom-standards {
    margin-bottom: 80px;
}

.service-scope h2,
.service-applications h2,
.cleanroom-standards h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 40px;
    text-align: center;
}

.scope-grid,
.applications-grid,
.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.scope-item,
.application-item,
.standard-item {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid #000;
}

.scope-item h3,
.application-item h3,
.standard-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
}

.scope-item ul {
    list-style: none;
    padding: 0;
}

.scope-item ul li {
    color: #666;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.scope-item ul li::before {
    content: '•';
    color: #000;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.application-item p,
.standard-item p {
    color: #666;
    line-height: 1.6;
}

/* 设备和材�?*/
.service-equipment,
.service-materials {
    margin-bottom: 80px;
}

.service-equipment h2,
.service-materials h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 40px;
    text-align: center;
}

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

.equipment-category {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #eee;
}

.equipment-category h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 20px;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.equipment-list {
    display: grid;
    gap: 15px;
}

.equipment-item,
.material-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 3px solid #000;
}

.equipment-item h4,
.material-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 8px;
}

.equipment-item p,
.material-item p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 租赁相关样式 */
.rental-categories,
.rental-terms,
.rental-process {
    margin-bottom: 80px;
}

.rental-categories h2,
.rental-terms h2,
.rental-process h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 40px;
    text-align: center;
}

.categories-grid,
.terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.category-card,
.term-item {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #eee;
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.category-card h3,
.term-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 20px;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.term-item ul {
    list-style: none;
    padding: 0;
}

.term-item ul li {
    color: #666;
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
    line-height: 1.5;
}

.term-item ul li::before {
    content: '•';
    color: #000;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 包装类型样式 */
.packaging-types {
    margin-bottom: 80px;
}

.packaging-types h2 {
    font-size: 2.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 40px;
    text-align: center;
}

.packaging-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.packaging-category {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #eee;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.packaging-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #000 0%, #333 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.packaging-category:hover::before {
    transform: scaleX(1);
}

.packaging-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.packaging-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 50%;
    transition: all 0.3s ease;
    position: relative;
}

.packaging-icon svg {
    width: 40px;
    height: 40px;
    color: #000;
    transition: all 0.3s ease;
}

.packaging-category:hover .packaging-icon {
    background: linear-gradient(135deg, #000 0%, #333 100%);
    transform: scale(1.1);
}

.packaging-category:hover .packaging-icon svg {
    color: #fff;
}

.packaging-category h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 20px;
    text-align: center;
}

.packaging-details {
    text-align: left;
}

.packaging-details p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.packaging-details p strong {
    color: #000;
}

.packaging-details ul {
    list-style: none;
    padding: 0;
    margin-top: 15px;
}

.packaging-details ul li {
    color: #666;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
    line-height: 1.5;
}

.packaging-details ul li::before {
    content: '•';
    color: #000;
    font-size: 0.8rem;
    position: absolute;
    left: 0;
    top: 2px;
}

/* 服务CTA */
.service-cta {
    background: #f8f9fa;
    padding: 60px 0;
    text-align: center;
    border-radius: 15px;
    margin-bottom: 40px;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 响应式设�?- 服务页面 */
@media (max-width: 768px) {
    .service-hero {
        padding: 100px 0 60px;
    }
    
    .service-hero::before {
        opacity: 0.7;
    }
    
    .service-title {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }
    
    .service-subtitle {
        font-size: 1.1rem;
        margin-bottom: 25px;
        padding: 0 20px;
    }
    
    .service-breadcrumb::before {
        width: 40px;
    }
    
    .service-details {
        padding: 60px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .process-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 40px;
    }
    
    .process-item:not(:last-child)::after {
        display: none;
    }
    
    .process-number {
        margin: 0 auto 20px;
    }
    
    .scope-grid,
    .applications-grid,
    .standards-grid,
    .categories-grid,
    .terms-grid,
    .packaging-categories {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .equipment-categories,
    .materials-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .cta-buttons .btn {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .service-hero {
        padding: 90px 0 50px;
    }
    
    .service-hero::before {
        opacity: 0.5;
    }
    
    .service-title {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }
    
    .service-subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
        padding: 0 15px;
    }
    
    .service-breadcrumb {
        font-size: 0.9rem;
    }
    
    .service-breadcrumb::before {
        width: 30px;
        margin-top: 15px;
    }
    
    .service-overview h2,
    .service-features h2,
    .service-process h2,
    .service-scope h2,
    .service-applications h2,
    .cleanroom-standards h2,
    .service-equipment h2,
    .service-materials h2,
    .rental-categories h2,
    .rental-terms h2 {
        font-size: 1.8rem;
    }
    
    .feature-item,
    .scope-item,
    .application-item,
    .standard-item,
    .category-card,
    .term-item,
    .equipment-category,
    .packaging-category {
        padding: 20px;
    }
    
    .service-cta {
        padding: 40px 20px;
    }
    
    .cta-content h2 {
        font-size: 1.6rem;
    }
}

/* ===== 案例中心页面样式 ===== */

/* 案例筛选区�?*/
.cases-filter {
    padding: 30px 0;
    background-color: #f8f9fa;
    border-bottom: 1px solid #eee;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-tab {
    padding: 12px 24px;
    background: white;
    border: 2px solid #e1e5e9;
    border-radius: 25px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 14px;
}

.filter-tab:hover {
    border-color: #000000;
    color: #000000;
    transform: translateY(-2px);
}

.filter-tab.active {
    background: linear-gradient(135deg, #000000, #333333);
    border-color: #000000;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 案例展示区域 */
.cases-showcase {
    padding: 60px 0;
    background-color: #ffffff;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.case-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.case-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.case-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-item:hover .case-image img {
    transform: scale(1.05);
}

.case-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 2;
}

.case-category {
    background: linear-gradient(135deg, #000000, #333333);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.case-content {
    padding: 25px;
}

.case-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.3;
}

.case-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 13px;
    color: #666;
}

.case-client {
    font-weight: 500;
}

.case-date {
    color: #000000;
    font-weight: 500;
}

.case-description {
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 14px;
}

.case-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.highlight-tag {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    color: #495057;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid #dee2e6;
}

/* 加载更多区域 */
.load-more-section {
    text-align: center;
    padding: 30px 0;
}

.load-more-btn {
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* 服务统计区域 */
.service-stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    position: relative;
}

.service-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23007bff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.stats-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.stats-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 50px;
    position: relative;
}

.stats-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #000000, #333333);
    border-radius: 2px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #000000, #333333);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-stats .stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #000000, #333333);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .cases-filter {
        padding: 20px 0;
    }
    
    .filter-tabs {
        gap: 8px;
    }
    
    .filter-tab {
        padding: 10px 18px;
        font-size: 13px;
    }
    
    .cases-showcase {
        padding: 40px 0;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-bottom: 40px;
    }
    
    .case-item {
        margin: 0 10px;
    }
    
    .case-image {
        height: 180px;
    }
    
    .case-content {
        padding: 20px;
    }
    
    .case-title {
        font-size: 1.2rem;
    }
    
    .case-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .service-stats {
        padding: 50px 0;
    }
    
    .stats-content h2 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-item {
        padding: 25px 15px;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .filter-tab {
        padding: 8px 14px;
        font-size: 12px;
    }
    
    .case-title {
        font-size: 1.1rem;
    }
    
    .case-description {
        font-size: 13px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* ===== 订单进度查询页面样式 ===== */

/* 查询表单区域 */
.order-query-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
}

.query-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.query-form-header {
    text-align: center;
    margin-bottom: 30px;
}

.query-form-header h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.query-form-header p {
    color: #666;
    font-size: 14px;
}

.order-query-form .form-group {
    margin-bottom: 25px;
}

.order-query-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 400;
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid #ddd;
    border-radius: 50%;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.radio-label input[type="radio"]:checked + .radio-custom {
    border-color: #000000;
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: #000000;
    border-radius: 50%;
}

.order-query-form input[type="text"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.order-query-form input[type="text"]:focus {
    outline: none;
    border-color: #000000;
}

.verification-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.verification-group input {
    flex: 1;
}

#captchaCanvas {
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    background: #f8f9fa;
}

.refresh-btn {
    padding: 8px 12px;
    background: #000000;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.3s ease;
}

.refresh-btn:hover {
    background: #333333;
}

.query-btn {
    width: 100%;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    margin-top: 10px;
}

/* 查询结果区域 */
.order-result-section {
    padding: 60px 0;
    background-color: #ffffff;
}

.order-info-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #eee;
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f8f9fa;
}

.order-header h3 {
    font-size: 1.5rem;
    color: #2c3e50;
}

.status-badge {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.order-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.detail-row {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f8f9fa;
}

.detail-label {
    flex: 0 0 120px;
    font-weight: 600;
    color: #666;
}

.detail-value {
    flex: 1;
    color: #2c3e50;
    font-weight: 500;
}

/* 进度跟踪 */
.progress-tracking {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.progress-tracking h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 30px;
    text-align: center;
}

.progress-timeline {
    position: relative;
    padding-left: 30px;
}

.progress-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e1e5e9;
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 50px;
}

.timeline-icon {
    position: absolute;
    left: -42px;
    top: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    z-index: 2;
}

.timeline-item.completed .timeline-icon {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.timeline-item.active .timeline-icon {
    background: linear-gradient(135deg, #000000, #333333);
    color: white;
    animation: pulse 2s infinite;
}

.timeline-item.pending .timeline-icon {
    background: #e1e5e9;
    color: #666;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(0, 0, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 0, 0, 0); }
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 5px;
}

.timeline-content p {
    color: #666;
    margin-bottom: 5px;
    font-size: 14px;
}

.timeline-time {
    font-size: 12px;
    color: #000000;
    font-weight: 500;
}

/* 服务团队信息 */
.team-info {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.team-info h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.team-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.member-info h4 {
    color: #2c3e50;
    margin-bottom: 5px;
}

.member-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 3px;
}

.contact-actions {
    display: flex;
    gap: 15px;
}

.contact-actions .btn {
    padding: 10px 20px;
    font-size: 14px;
}

/* FAQ 区域 */
.faq-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-section h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 50px;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h4 {
    color: #2c3e50;
    font-size: 1rem;
}

.toggle-icon {
    font-size: 1.5rem;
    color: #000000;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 20px 20px;
    color: #666;
    line-height: 1.6;
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .order-query-section {
        padding: 50px 0;
    }
    
    .query-form-container {
        margin: 0 15px;
        padding: 30px 25px;
    }
    
    .query-form-header h2 {
        font-size: 1.6rem;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .verification-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    #captchaCanvas {
        align-self: center;
    }
    
    .order-result-section {
        padding: 40px 0;
    }
    
    .order-info-card,
    .progress-tracking,
    .team-info {
        margin: 0 15px 25px;
        padding: 25px 20px;
    }
    
    .order-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .order-details {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .detail-label {
        flex: none;
    }
    
    .team-details {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .contact-actions {
        width: 100%;
        justify-content: stretch;
    }
    
    .contact-actions .btn {
        flex: 1;
    }
    
    .faq-section {
        padding: 50px 0;
    }
    
    .faq-section h2 {
        font-size: 1.6rem;
        margin-bottom: 30px;
    }
    
    .faq-list {
        margin: 0 15px;
    }
    
    .faq-question {
        padding: 15px;
    }
    
    .faq-question h4 {
        font-size: 14px;
    }
    
    .faq-answer p {
        padding: 0 15px 15px;
        font-size: 14px;
    }
}

/* ===== 发展历程页面样式 ===== */

/* 发展历程时间�?*/
.development-timeline {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
}

.development-timeline h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 60px;
    position: relative;
}

.development-timeline h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #000000, #333333);
    border-radius: 2px;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background: linear-gradient(180deg, #000000, #333333);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
    margin-bottom: 40px;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background: linear-gradient(135deg, #000000, #333333);
    border: 3px solid #ffffff;
    top: 25px;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item.right::after {
    left: -10px;
}

.timeline-item.future::after {
    background: #000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.timeline-content {
    padding: 30px;
    background: white;
    position: relative;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid #f8f9fa;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #000000;
}

.timeline-item.left .timeline-content::after {
    content: " ";
    height: 0;
    position: absolute;
    top: 30px;
    width: 0;
    z-index: 1;
    right: -15px;
    border: medium solid white;
    border-width: 15px 0 15px 15px;
    border-color: transparent transparent transparent white;
}

.timeline-item.right .timeline-content::after {
    content: " ";
    height: 0;
    position: absolute;
    top: 30px;
    width: 0;
    z-index: 1;
    left: -15px;
    border: medium solid white;
    border-width: 15px 15px 15px 0;
    border-color: transparent white transparent transparent;
}

.timeline-content .year {
    display: inline-block;
    background: linear-gradient(135deg, #000000, #333333);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.timeline-item.future .timeline-content .year {
    background: #000;
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.milestone h4 {
    font-size: 1.2rem;
    color: #000000;
    margin-bottom: 15px;
    font-weight: 600;
}

.milestone p {
    color: #666;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
    padding-left: 15px;
    position: relative;
}

.milestone p::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #000000;
    font-size: 12px;
}

/* 发展成果展示 */
.development-achievements {
    padding: 80px 0;
    background: white;
}

.development-achievements h2 {
    text-align: center;
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 50px;
    position: relative;
}

.development-achievements h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #000000, #333333);
    border-radius: 2px;
}

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

.achievement-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid #f8f9fa;
    position: relative;
    overflow: hidden;
}

.achievement-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #000000, #333333);
}

.achievement-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: #000000;
}

.achievement-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #000000, #333333);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.achievement-item:hover .achievement-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.achievement-icon svg {
    width: 35px;
    height: 35px;
}

.achievement-item h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.achievement-item p {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

/* 未来展望 */
.future-vision {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    position: relative;
    overflow: hidden;
}

.future-vision::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="stars" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
    pointer-events: none;
}

.vision-content {
    position: relative;
    z-index: 2;
}

.future-vision h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

.future-vision h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #000000, #333333);
    border-radius: 2px;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.vision-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.vision-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.vision-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #000000;
    font-weight: 700;
}

.vision-item p {
    line-height: 1.6;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.vision-statement {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.vision-statement blockquote {
    font-size: 1.1rem;
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.95);
}

.vision-statement cite {
    font-size: 1rem;
    color: #000000;
    font-weight: 600;
}

/* 响应式设�?*/
@media (max-width: 768px) {
    .development-timeline {
        padding: 50px 0;
    }
    
    .development-timeline h2 {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    
    .timeline::after {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 20px;
        margin-bottom: 30px;
    }
    
    .timeline-item.left,
    .timeline-item.right {
        left: 0;
    }
    
    .timeline-item::after {
        left: 12px;
    }
    
    .timeline-item.left .timeline-content::after,
    .timeline-item.right .timeline-content::after {
        left: -15px;
        border: medium solid white;
        border-width: 15px 15px 15px 0;
        border-color: transparent white transparent transparent;
    }
    
    .timeline-content {
        padding: 25px 20px;
    }
    
    .timeline-content .year {
        font-size: 1rem;
        padding: 6px 15px;
    }
    
    .timeline-content h3 {
        font-size: 1.3rem;
    }
    
    .milestone h4 {
        font-size: 1.1rem;
    }
    
    .milestone p {
        font-size: 13px;
        padding-left: 12px;
    }
    
    .development-achievements {
        padding: 50px 0;
    }
    
    .development-achievements h2 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin: 0 20px;
    }
    
    .achievement-item {
        padding: 30px 25px;
    }
    
    .achievement-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
    }
    
    .achievement-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .achievement-item h3 {
        font-size: 1.2rem;
    }
    
    .achievement-item p {
        font-size: 13px;
    }
    
    .future-vision {
        padding: 50px 0;
    }
    
    .future-vision h2 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .vision-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 0 20px 40px;
    }
    
    .vision-item {
        padding: 25px 20px;
    }
    
    .vision-item h3 {
        font-size: 1.2rem;
    }
    
    .vision-item p {
        font-size: 13px;
    }
    
    .vision-statement {
        margin: 0 20px;
        padding: 30px 25px;
    }
    
    .vision-statement blockquote {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .vision-statement cite {
        font-size: 14px;
    }
}

/* 合作客户页面样式 */
.clients-overview {
    padding: 60px 0;
    background: #f8f9fa;
    color: #2c3e50;
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.clients-overview .stat-item {
    padding: 20px;
}

.clients-overview .stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #000;
}

.clients-overview .stat-label {
    font-size: 18px;
    font-weight: 500;
    color: #666;
    opacity: 1;
}

/* 行业分布样式 */
.industry-distribution {
    padding: 80px 0;
    background: #f8f9fa;
}

.industry-distribution h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 36px;
    color: #333;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.industry-item {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.industry-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #000000, #333333);
}

.industry-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.industry-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #000000, #333333);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.industry-icon svg {
    width: 40px;
    height: 40px;
}

.industry-item h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.industry-percentage {
    font-size: 32px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 15px;
}

.industry-item p {
    color: #666;
    line-height: 1.6;
    font-size: 15px;
}

/* 重点客户展示样式 */
.key-clients {
    padding: 80px 0;
    background: white;
}

.key-clients h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 36px;
    color: #333;
}

.clients-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.client-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.client-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: #000000;
}

.client-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(135deg, #000000, #333333);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-placeholder {
    width: 50px;
    height: 50px;
    color: white;
}

.logo-placeholder svg {
    width: 100%;
    height: 100%;
}

.client-info h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.client-industry {
    display: inline-block;
    background: #f8f9fa;
    color: #333333;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 10px;
    border: 1px solid #dee2e6;
}

.cooperation-time {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.client-description p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.highlight-tag {
    background: linear-gradient(135deg, #000000, #333333);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

/* 客户评价样式 */
.client-testimonials {
    padding: 80px 0;
    background: #f8f9fa;
}

.client-testimonials h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 36px;
    color: #333;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.testimonial-item {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
}

.testimonial-item::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 30px;
    font-size: 80px;
    color: #000000;
    font-family: serif;
    opacity: 0.1;
}

.testimonial-content blockquote {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin: 0 0 30px 0;
    font-style: italic;
    border: none;
    padding: 0;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.author-info h4 {
    color: #333;
    font-size: 18px;
    margin-bottom: 5px;
}

.author-info p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

.rating .stars {
    color: #ffc107;
    font-size: 18px;
}

/* 合作模式样式 */
.cooperation-modes {
    padding: 80px 0;
    background: white;
}

.cooperation-modes h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 36px;
    color: #333;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.mode-item {
    text-align: center;
    padding: 40px 30px;
    border-radius: 15px;
    background: #f8f9fa;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mode-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #000000, #333333);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.mode-item:hover::before {
    transform: translateX(0);
}

.mode-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.mode-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #000000, #333333);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.mode-icon svg {
    width: 40px;
    height: 40px;
}

.mode-item h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.mode-item > p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.mode-item ul {
    text-align: left;
    list-style: none;
    padding: 0;
}

.mode-item ul li {
    color: #555;
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.mode-item ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #000000;
    font-weight: bold;
}

/* 滚动到顶部按钮样式 */
.scroll-to-top {
    position: fixed;
    bottom: 180px; /* 进一步上移，确保不与下拉菜单冲突 */
    right: 30px;
    width: 50px;
    height: 50px;
    border: 2px solid #ddd;
    border-radius: 50%;
    background: #fff;
    color: #000;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-to-top:hover {
    background: #f8f9fa;
    border-color: #000;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top svg {
    width: 24px;
    height: 24px;
}

/* 公司介绍页面样式 */
.company-overview {
    padding: 80px 0;
    background: #f8f9fa;
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.overview-text {
    padding: 20px;
}

.overview-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 30px;
    position: relative;
}

.overview-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: #000;
    border-radius: 2px;
}

.overview-text .lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #333;
    margin-bottom: 25px;
    font-weight: 500;
}

.overview-text p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.overview-image {
    text-align: center;
}

.overview-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.company-placeholder {
    width: 100%;
    max-width: 500px;
    height: 350px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid #dee2e6;
}

.company-placeholder svg {
    width: 80px;
    height: 80px;
    color: #666;
    margin-bottom: 20px;
}

.company-placeholder p {
    color: #666;
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}

/* 公司介绍页面的数据统计（已弃用，改为使用通用样式） */
.company-intro-stats {
    padding: 80px 0;
    background: #000;
    color: white;
}

.company-intro-stats .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.company-intro-stats .stat-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.company-intro-stats .stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.company-intro-stats .stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: white;
    margin-bottom: 10px;
    line-height: 1;
}

.company-intro-stats .stat-label {
    font-size: 1.1rem;
    color: #ccc;
    font-weight: 500;
}

/* 公司数据统计区域 - 简洁白色背景样式 */
.company-data-stats {
    padding: 80px 0;
    background: #f8f9fa;
}

/* 公司优势区域 */
.company-advantages {
    padding: 80px 0;
    background: white;
}

.company-advantages h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

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

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.advantage-item:hover {
    background: white;
    border-color: #e9ecef;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.advantage-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.advantage-item:hover .advantage-icon {
    background: #333;
    transform: scale(1.1);
}

.advantage-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

/* 企业文化页面样式 */
/* 企业核心理念 */
.core-values {
    padding: 80px 0;
    background: #f8f9fa;
}

.core-values h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.value-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #000, #333);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.value-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.value-card:hover .value-icon {
    background: #333;
    transform: scale(1.1);
}

.value-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
}

.value-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 20px;
    line-height: 1.4;
}

.value-description {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 20px;
}

.value-points {
    margin-top: 20px;
}

.point {
    margin-bottom: 10px;
    color: #555;
    line-height: 1.6;
}

.point strong {
    color: #000;
    font-weight: 700;
}

/* 企业精神 */
.company-spirit {
    padding: 80px 0;
    background: white;
}

.company-spirit h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.spirit-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    align-items: center;
}

.spirit-main {
    text-align: center;
    padding: 60px 40px;
    background: #f8f9fa;
    color: #2c3e50;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    border: 2px solid #e9ecef;
}

.spirit-main::before {
    content: '';
    position: absolute;
    top: -470px;
    left: -15px;
    width: 1200px;
    height: 1200px;
    background: repeating-conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(0,0,0,0.02) 1deg, transparent 2deg);
    animation: rotate 20s linear infinite;
}

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

.spirit-quote {
    position: relative;
    z-index: 2;
}

.spirit-quote h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #000, #333);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.spirit-quote p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
    opacity: 0.9;
}

.spirit-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.spirit-item {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.spirit-item:hover {
    background: white;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.spirit-icon {
    width: 60px;
    height: 60px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.spirit-icon svg {
    width: 30px;
    height: 30px;
    stroke: white;
}

.spirit-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.spirit-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 行为准则 */
.code-of-conduct {
    padding: 80px 0;
    background: #f8f9fa;
}

.code-of-conduct h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.conduct-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.conduct-item {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.conduct-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.conduct-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: #000;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.conduct-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 20px 0 25px 0;
}

.conduct-item ul {
    list-style: none;
    padding: 0;
}

.conduct-item li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    color: #555;
    line-height: 1.6;
}

.conduct-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
    font-size: 1.2rem;
}

/* 团队文化建设 */
.team-culture {
    padding: 80px 0;
    background: white;
}

.team-culture h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.culture-activities {
    display: grid;
    gap: 50px;
}

.activity-category {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s ease;
}

.activity-category:hover {
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.activity-category h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.activity-category h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #000;
    border-radius: 2px;
}

.activity-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.activity-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.activity-item:hover {
    border-color: #000;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.activity-icon {
    width: 70px;
    height: 70px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.activity-icon svg {
    width: 35px;
    height: 35px;
    stroke: white;
}

.activity-item:hover .activity-icon {
    background: #333;
    transform: scale(1.1);
}

.activity-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.activity-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 企业口号 */
.company-motto {
    padding: 80px 0;
    background: #f8f9fa;
    color: #2c3e50;
    text-align: center;
}

.motto-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
    opacity: 0.9;
}

.motto-main {
    margin-bottom: 50px;
}

.motto-main h3 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #000, #333);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.motto-main p {
    font-size: 1.3rem;
    color: #555;
    opacity: 0.9;
    font-weight: 300;
}

.motto-explanation {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background: white;
    border-radius: 15px;
    border: 1px solid #e9ecef;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.motto-explanation p {
    font-size: 1rem;
    line-height: 1.8;
    color: #666;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .values-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .value-card {
        padding: 30px 25px;
    }
    
    .conduct-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .spirit-details {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .activity-items {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .motto-main h3 {
        font-size: 2.2rem;
    }
    
    .spirit-quote h3 {
        font-size: 1.8rem;
    }
}

/* 加入我们页面样式 */
/* 为什么选择我们 */
.why-join-us {
    padding: 80px 0;
    background: #f8f9fa;
}

.why-join-us h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.reason-item {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.reason-item:hover {
    border-color: #000;
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.reason-icon {
    width: 80px;
    height: 80px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.reason-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.reason-item:hover .reason-icon {
    background: #333;
    transform: scale(1.1);
}

.reason-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
}

.reason-item p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

/* 招聘职位 */
.job-positions {
    padding: 80px 0;
    background: white;
}

.job-positions h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.positions-list {
    display: grid;
    gap: 30px;
}

.position-card {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.position-card:hover {
    background: white;
    border-color: #e9ecef;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.position-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 20px;
}

.position-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
}

.position-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
}

.tag.urgent {
    background: #000;
    color: white;
}

.tag.hot {
    background: #333;
    color: white;
}

.tag.full-time {
    background: #666;
    color: white;
}

.tag.location {
    background: #999;
    color: white;
}

.position-salary {
    text-align: right;
}

.salary-range {
    font-size: 1.5rem;
    font-weight: 900;
    color: #000;
    display: block;
}

.salary-note {
    font-size: 0.9rem;
    color: #666;
}

.position-details {
    margin-bottom: 30px;
}

.detail-section {
    margin-bottom: 25px;
}

.detail-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.detail-section ul {
    list-style: none;
    padding: 0;
}

.detail-section li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: #555;
    line-height: 1.6;
}

.detail-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
}

.position-footer {
    text-align: right;
}

.apply-btn {
    background: #000;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.apply-btn:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* 福利待遇 */
.employee-benefits {
    padding: 80px 0;
    background: #f8f9fa;
}

.employee-benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

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

.benefit-category {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.benefit-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.category-icon {
    width: 80px;
    height: 80px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.category-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.benefit-category:hover .category-icon {
    background: #333;
    transform: scale(1.1);
}

.benefit-category h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 25px;
}

.benefit-category ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.benefit-category li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    color: #555;
    line-height: 1.6;
}

.benefit-category li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2ed573;
    font-weight: bold;
}

/* 求职流程 */
.application-process {
    padding: 80px 0;
    background: white;
}

.application-process h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 200px;
}

.step-number {
    width: 80px;
    height: 80px;
    background: #000;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.step-item:hover .step-number {
    background: #333;
    transform: scale(1.1);
}

.step-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
}

.step-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-arrow svg {
    width: 30px;
    height: 30px;
    stroke: #000;
    opacity: 0.5;
}

/* 联系HR */
.contact-hr {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-hr h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.hr-contact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.contact-item {
    background: white;
    padding: 30px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 30px;
    height: 30px;
    stroke: white;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 8px;
}

.contact-details p {
    font-size: 1.1rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 5px;
}

.contact-details span {
    font-size: 0.9rem;
    color: #666;
}

.application-note {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.application-note h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 25px;
    text-align: center;
}

.application-note ul {
    list-style: none;
    padding: 0;
}

.application-note li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 15px;
    color: #555;
    line-height: 1.6;
}

.application-note li::before {
    content: '📋';
    position: absolute;
    left: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .reasons-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .position-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .position-salary {
        text-align: left;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .hr-contact {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        padding: 25px;
    }
}

/* 荣誉资质页面样式 */
/* 资质证书区域 */
.qualifications-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.qualifications-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.qualifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.qualification-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.qualification-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.qualification-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qualification-image img {
    max-width: 150px;
    max-height: 150px;
    object-fit: cover;
    border-radius: 10px;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.qualification-item:hover .qualification-image img {
    opacity: 1;
    transform: scale(1.05);
}

.qualification-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.qualification-item:hover .qualification-overlay {
    opacity: 1;
}

.view-btn {
    background: #fff;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn:hover {
    background: #f0f0f0;
    transform: scale(1.05);
}

.qualification-info {
    padding: 30px;
}

.qualification-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.cert-details p {
    margin-bottom: 10px;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
}

.cert-details span {
    font-weight: 600;
    color: #000;
}

/* 行业荣誉区域 */
.honors-section {
    padding: 80px 0;
    background: white;
}

.honors-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.honors-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.honor-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 40px;
}

.honor-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-dot {
    display: none;
}

.honor-year {
    font-size: 1.5rem;
    font-weight: 900;
    color: #000;
    background: #f8f9fa;
    padding: 15px 25px;
    border-radius: 25px;
    text-align: center;
    border: 2px solid #e9ecef;
    min-width: 100px;
}

.honor-content {
    flex: 1;
    background: #f8f9fa;
    padding: 30px;
    border-radius: 20px;
    position: relative;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    z-index: 2;
}

.honor-content:hover {
    background: white;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    transform: translateY(-5px);
}

.honor-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.honor-content p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

.honor-badge {
    width: 40px;
    height: 40px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.honor-badge svg {
    width: 20px;
    height: 20px;
    stroke: white;
}

/* 专业认证区域 */
.certifications-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.certifications-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.cert-category {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cert-category:hover {
    border-color: #000;
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.cert-icon {
    width: 80px;
    height: 80px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.cert-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.cert-category:hover .cert-icon {
    background: #333;
    transform: scale(1.1);
}

.cert-category h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 25px;
}

.cert-category ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.cert-category li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    color: #555;
    line-height: 1.6;
}

.cert-category li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2ed573;
    font-weight: bold;
    font-size: 1.1rem;
}

/* 成果数据展示区域 */
.achievements-stats {
    padding: 80px 0;
    background: white;
}

.achievements-stats h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.stats-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.stat-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    background: white;
    border-color: #000;
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #000, #333);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.stat-card:hover::before {
    transform: translateY(0);
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.stat-icon svg {
    width: 35px;
    height: 35px;
    stroke: white;
}

.stat-card:hover .stat-icon {
    background: #333;
    transform: scale(1.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #000;
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.stat-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .qualifications-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .honors-timeline::before {
        left: 30px;
    }
    
    .honor-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 60px;
    }
    
    .timeline-dot {
        left: 30px;
        transform: translate(-50%, -50%);
    }
    
    .honor-year {
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        min-width: 80px;
        padding: 10px 15px;
        font-size: 1.2rem;
    }
    
    .certifications-grid,
    .stats-showcase {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 专业知识页面样式 */
/* 知识内容区域 */
.knowledge-section {
    padding: 80px 0;
    background: white;
}

.knowledge-section.bg-light {
    background: #f8f9fa;
}

.knowledge-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

/* 知识卡片网格 */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.knowledge-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.knowledge-card:hover {
    border-color: #000;
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 知识卡片图片区域 */
.knowledge-image {
    height: 180px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.knowledge-placeholder {
    width: 70px;
    height: 70px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.knowledge-placeholder svg {
    width: 35px;
    height: 35px;
    stroke: #666;
}

.knowledge-card:hover .knowledge-placeholder {
    background: rgba(0, 0, 0, 0.2);
    transform: scale(1.1);
}

.knowledge-card:hover .knowledge-placeholder svg {
    stroke: #000;
}

/* 知识卡片内容区域 */
.knowledge-content {
    padding: 30px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.knowledge-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.knowledge-content ul {
    list-style: none;
    padding: 0;
    text-align: left;
    margin: 0;
    flex: 1;
}

.knowledge-content li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    color: #555;
    line-height: 1.6;
    font-size: 0.95rem;
}

.knowledge-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
    font-size: 1.2rem;
    top: 0;
}

.knowledge-icon {
    width: 80px;
    height: 80px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.knowledge-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.knowledge-card:hover .knowledge-icon {
    background: #333;
    transform: scale(1.1);
}

/* 精密设备搬运样式 */
.precision-knowledge {
    display: grid;
    gap: 30px;
}

.precision-item {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.precision-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.precision-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.precision-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
}

.precision-level {
    background: #000;
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.precision-content p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 25px;
}

.precision-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.precision-details ul {
    list-style: none;
    padding: 0;
}

.precision-details li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: #555;
    line-height: 1.6;
}

.precision-details li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #000;
    font-size: 0.8rem;
}

/* FAQ样式 */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
    flex: 1;
}

.faq-toggle {
    font-size: 1.8rem;
    font-weight: 300;
    color: #000;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 50%;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
    background: #000;
    color: white;
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.open .faq-answer {
    padding: 0 30px 25px;
    max-height: 500px;
}

.faq-answer p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 15px;
}

.faq-answer ul {
    list-style: none;
    padding: 0;
}

.faq-answer li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: #555;
    line-height: 1.6;
}

.faq-answer li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2ed573;
    font-weight: bold;
}

.faq-answer strong {
    color: #000;
    font-weight: 600;
}

/* 专业工具展示样式 */
.tools-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.tool-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.tool-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.tool-image {
    height: 200px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.tool-placeholder {
    width: 80px;
    height: 80px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.tool-placeholder svg {
    width: 40px;
    height: 40px;
    stroke: #666;
}

.tool-item:hover .tool-placeholder {
    background: rgba(0, 0, 0, 0.2);
    transform: scale(1.1);
}

.tool-item:hover .tool-placeholder svg {
    stroke: #000;
}

.tool-info {
    padding: 30px;
}

.tool-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
}

.tool-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.tool-specs {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.tool-specs span {
    background: #f8f9fa;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    color: #555;
    border: 1px solid #e9ecef;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .knowledge-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .precision-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .faq-question {
        padding: 20px;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-item.open .faq-answer {
        padding: 0 20px 20px;
    }
    
    .tools-showcase {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .tool-specs {
        justify-content: center;
    }
}

/* 核心优势网格 */
.core-advantages {
    padding: 80px 0;
    background: white;
}

.core-advantages h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 60px;
    position: relative;
}

.core-advantages h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #000;
    border-radius: 2px;
}

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

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: #000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.advantage-item:hover::before {
    transform: translateX(0);
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.advantage-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.1);
}

.advantage-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 20px;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 公司荣誉展示 */
.company-honors {
    padding: 80px 0;
    background: #f8f9fa;
}

.company-honors h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 60px;
    position: relative;
}

.company-honors h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #000;
    border-radius: 2px;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.honor-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.honor-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.honor-icon {
    width: 60px;
    height: 60px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.honor-icon svg {
    width: 30px;
    height: 30px;
    stroke: white;
    transition: all 0.3s ease;
}

.honor-item:hover .honor-icon {
    transform: scale(1.1);
    background: #333;
}

.honor-item:hover .honor-icon svg {
    transform: scale(1.05);
}

.honor-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
    line-height: 1.4;
    text-align: center;
}

.honor-item p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: center;
    margin: 0;
    flex: 1;
    display: flex;
    align-items: center;
}

/* 响应式设计 - 公司介绍页面 */
@media (max-width: 768px) {
    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .overview-text h2 {
        font-size: 2rem;
    }
    
    .overview-text .lead {
        font-size: 1.1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .advantage-item {
        padding: 30px 25px;
    }
    
    .honors-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        align-items: stretch;
    }
    
    .honor-item {
        padding: 25px;
        min-height: auto;
    }
    
    .honor-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .honor-icon svg {
        width: 25px;
        height: 25px;
    }
}

@media (max-width: 480px) {
    .overview-text h2 {
        font-size: 1.8rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .company-stats,
    .core-advantages,
    .company-honors {
        padding: 60px 0;
    }
    
    .advantage-item {
        padding: 25px 20px;
    }
}

/* 服务领域样式 */
.service-areas {
    padding: 80px 0;
    background: white;
}

.service-areas h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 60px;
    position: relative;
}

.service-areas h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #000;
    border-radius: 2px;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.area-item {
    padding: 40px 30px;
    background: #f8f9fa;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.area-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: #000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.area-item:hover::before {
    transform: translateX(0);
}

.area-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: #000;
}

.area-icon {
    width: 70px;
    height: 70px;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.area-icon svg {
    width: 35px;
    height: 35px;
    color: white;
}

.area-item:hover .area-icon {
    transform: scale(1.1);
    background: #333;
}

.area-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
}

.area-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 公司历程样式 */
.company-history {
    padding: 80px 0;
    background: #f8f9fa;
}

.company-history h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 60px;
    position: relative;
}

.company-history h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #000;
    border-radius: 2px;
}

.history-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #000;
    transform: translateX(-50%);
}

.history-item {
    position: relative;
    margin-bottom: 50px;
    width: 50%;
    padding: 0 30px;
}

.history-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.history-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.history-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    position: relative;
}

.history-content::before {
    content: '';
    position: absolute;
    top: 30px;
    width: 0;
    height: 0;
    border: 15px solid transparent;
}

.history-item:nth-child(odd) .history-content::before {
    right: -30px;
    border-left-color: white;
}

.history-item:nth-child(even) .history-content::before {
    left: -30px;
    border-right-color: white;
}

.history-year {
    position: absolute;
    top: 20px;
    width: 80px;
    height: 80px;
    background: #000;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    z-index: 2;
}

.history-item:nth-child(odd) .history-year {
    right: -40px;
}

.history-item:nth-child(even) .history-year {
    left: -40px;
}

.history-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 15px;
}

.history-description {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计增强 */
@media (max-width: 768px) {
    .areas-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .area-item {
        padding: 30px 25px;
    }
    
    .history-timeline::before {
        left: 30px;
    }
    
    .history-item {
        width: 100%;
        left: 0 !important;
        text-align: left;
        padding-left: 70px;
        padding-right: 20px;
    }
    
    .history-year {
        left: -10px !important;
        right: auto !important;
        width: 60px;
        height: 60px;
        font-size: 0.9rem;
    }
    
    .history-content::before {
        left: -30px !important;
        right: auto !important;
        border-right-color: white !important;
        border-left-color: transparent !important;
    }
}

@media (max-width: 480px) {
    .service-areas,
    .company-history {
        padding: 60px 0;
    }
    
    .area-item {
        padding: 25px 20px;
    }
    
    .history-item {
        padding-left: 60px;
        margin-bottom: 40px;
    }
    
    .history-year {
        width: 50px;
        height: 50px;
        font-size: 0.8rem;
    }
    
    .history-content {
        padding: 25px 20px;
    }
}

/* 响应式设计 - 合作客户页面 */
@media (max-width: 768px) {
    .overview-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .clients-overview .stat-number {
        font-size: 32px;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .industry-item {
        padding: 30px 20px;
    }
    
    .clients-showcase {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .client-card {
        padding: 25px 20px;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testimonial-item {
        padding: 30px 25px;
    }
    
    .modes-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .mode-item {
        padding: 30px 25px;
    }
    
    .testimonial-author {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .overview-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .clients-overview .stat-number {
        font-size: 28px;
    }
    
    .industry-item {
        padding: 25px 15px;
    }
    
    .client-card {
        padding: 20px 15px;
    }
    
    .testimonial-item {
        padding: 25px 20px;
    }
    
    .mode-item {
        padding: 25px 20px;
    }
    
    .testimonial-content blockquote {
        font-size: 14px;
    }
}

/* ==================== 包装知识页面样式 ==================== */

/* 知识导航栏 */
.knowledge-nav {
    background: #f8f9fa;
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
    position: sticky;
    top: 70px;
    z-index: 100;
}

.knowledge-categories {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.category-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.category-link:hover,
.category-link.active {
    color: #000;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 知识网格布局 */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.knowledge-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.knowledge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.card-image {
    height: 200px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    text-align: center;
    color: #666;
}

.placeholder-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.card-content ul {
    list-style: none;
    padding: 0;
}

.card-content li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.card-content li::before {
    content: "•";
    color: #000;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: 0;
}

/* 包装流程步骤 */
.process-steps {
    display: grid;
    gap: 25px;
    margin-top: 25px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.step-number {
    background: #000;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.step-content p {
    color: #666;
    line-height: 1.8;
}

/* 特殊方法展示 */
.special-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.method-item {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid #000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.method-item:hover {
    transform: translateY(-3px);
}

.method-item h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.method-item p {
    color: #666;
    line-height: 1.7;
}

/* 包装标准卡片 */
.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.standard-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.standard-card:hover {
    transform: translateY(-5px);
}

.standard-header {
    background: linear-gradient(135deg, #333 0%, #000 100%);
    color: #fff;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.standard-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.standard-badge {
    background: rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.standard-content {
    padding: 25px;
}

.standard-content ul {
    list-style: none;
    padding: 0;
}

.standard-content li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.standard-content li::before {
    content: "📋";
    position: absolute;
    left: 0;
    top: 0;
}

/* 注意事项样式 */
.precautions-content {
    margin-top: 30px;
}

.precaution-category {
    margin-bottom: 40px;
}

.precaution-category h3 {
    color: #333;
    margin-bottom: 25px;
    font-size: 1.4rem;
}

.precaution-list {
    display: grid;
    gap: 20px;
}

.precaution-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-left: 4px solid #000;
}

.precaution-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.precaution-text h4 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.precaution-text p {
    color: #666;
    line-height: 1.7;
}

/* 操作提示网格 */
.tip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.tip-item {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-top: 4px solid #000;
}

.tip-item h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.tip-item p {
    color: #666;
    line-height: 1.7;
}

/* 专业服务CTA区域 */
.service-cta {
    background: linear-gradient(135deg, #333 0%, #000 100%);
    color: #fff;
    padding: 60px 0;
    margin-top: 50px;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.1);
    padding: 15px 25px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.feature-icon {
    font-size: 1.2rem;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #000;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 2px solid #fff;
}

.cta-button:hover {
    background: transparent;
    color: #fff;
}

/* 响应式设计 - 包装知识页面 */
@media (max-width: 768px) {
    .knowledge-categories {
        gap: 15px;
    }
    
    .category-link {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .knowledge-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .process-steps {
        gap: 20px;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .special-methods {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .standards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tip-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .precaution-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .knowledge-nav {
        padding: 15px 0;
    }
    
    .card-content,
    .step,
    .method-item,
    .standard-content,
    .tip-item {
        padding: 20px;
    }
    
    .service-cta {
        padding: 40px 0;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
    }
}