/* ========================================
   全局样式和变量定义
   ======================================== */

/* 响应式断点变量 */
:root {
    --breakpoint-xs: 480px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;

    /* 统一的间距系统 */
    --spacing-xs: 0.5rem;
    /* 8px */
    --spacing-sm: 1rem;
    /* 16px */
    --spacing-md: 1.5rem;
    /* 24px */
    --spacing-lg: 2rem;
    /* 32px */
    --spacing-xl: 3rem;
    /* 48px */
    --spacing-xxl: 4rem;
    /* 64px */

    /* 字体大小层次 */
    --font-size-xs: 0.875rem;
    /* 14px */
    --font-size-sm: 1rem;
    /* 16px */
    --font-size-md: 1.125rem;
    /* 18px */
    --font-size-lg: 1.25rem;
    /* 20px */
    --font-size-xl: 1.5rem;
    /* 24px */
    --font-size-2xl: 2rem;
    /* 32px */
    --font-size-3xl: 2.5rem;
    /* 40px */

    /* 圆角系统 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    /* 阴影系统 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);

    /* 容器最大宽度 */
    --container-max-width: 1400px;
    --container-padding: 15px;

    /* 专业配色方案 */
    --primary-color: #1e3a8a;
    /* 深蓝色 - 专业稳重 */
    --primary-light: #3b82f6;
    /* 蓝色 - 科技感 */
    --primary-dark: #1e40af;
    /* 深蓝色 - 权威感 */
    --secondary-color: #64748b;
    /* 中性灰 - 专业感 */
    --accent-color: #0ea5e9;
    /* 天蓝色 - 点缀色 */
    --success-color: #059669;
    /* 绿色 - 成功状态 */
    --warning-color: #d97706;
    /* 橙色 - 警告状态 */
    --error-color: #dc2626;
    /* 红色 - 错误状态 */

    /* 背景色系 */
    --bg-primary: #0f172a;
    /* 深蓝黑 - 主背景 */
    --bg-secondary: #1e293b;
    /* 深灰蓝 - 次要背景 */
    --bg-tertiary: #334155;
    /* 中灰蓝 - 第三级背景 */
    --bg-card: #1e293b;
    /* 卡片背景 */
    --bg-overlay: rgba(15, 23, 42, 0.8);
    /* 遮罩背景 */

    /* 文字颜色 */
    --text-primary: #f8fafc;
    /* 主要文字 */
    --text-secondary: #cbd5e1;
    /* 次要文字 */
    --text-muted: #94a3b8;
    /* 弱化文字 */
    --text-inverse: #0f172a;
    /* 反色文字 */

    /* 边框颜色 */
    --border-primary: #334155;
    /* 主要边框 */
    --border-secondary: #475569;
    /* 次要边框 */
    --border-accent: #0ea5e9;
    /* 强调边框 */
}

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    /* 基础字体大小 */
    scroll-behavior: smooth;
    /* 平滑滚动 */
}

/**
 * 设置页面主体样式
 * 定义了页面的基础字体、行高、文字颜色、背景色等样式属性
 */
body {
    /* 设置字体族，优先使用微软雅黑，备选字体包括苹方、Helvetica Neue、Arial等 */
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    /* 设置行高为1.6倍，确保文字具有良好的可读性 */
    /* line-height: 1.6; */
    /* 使用CSS变量设置主要文字颜色 */
    color: var(--text-primary);
    /* 使用CSS变量设置主要背景颜色 */
    background-color: var(--bg-primary);
    /* 隐藏横向滚动条，防止页面内容溢出产生横向滚动 */
    overflow-x: hidden;
}

/* 段落文字样式优化 */
p {
    text-indent: 2em;
    text-align: left !important;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    color: var(--text-secondary);
    /* font-size: 10px; */
}

/* 英雄区域描述文字左对齐 */
.hero p {
    text-align: left;
}

/* 标题样式优化 */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

h5 {
    font-size: var(--font-size-md);
}

h6 {
    font-size: var(--font-size-sm);
}

/* 链接样式 */
a {
    text-decoration: none;
    color: inherit;
}

/* 无序列表样式 */
ul {
    list-style: none;
}

/* 响应式容器类 */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 2;
}

/* 响应式网格系统 */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-1 {
    grid-template-columns: 1fr;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* 响应式断点 */
@media (max-width: 1400px) {
    .container {
        max-width: 1200px;
    }
}

@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }

    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }

    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
        padding: 0 20px;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    background: #00c6ff;
    color: white;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background: #0099cc;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* 英雄区域按钮样式由 navbar-height-adjustment.css 统一控制，避免重复定义 */

/* 伪元素与 hover 动效同样由统一按钮样式文件维护 */

/* 统一按钮 hover 样式 */

/* 统一按钮图标 hover 动效 */

/* 统一按钮伪元素动画 */

/* 统一按钮 active 样式 */

/* 统一按钮 focus 样式 */

/* 统一按钮 focus-visible 样式 */

/* 按钮脉冲动画 */
/* 删除本地 pulse 动画，避免与统一按钮动画冲突 */

/* 动画策略交由统一按钮样式文件 */

/* 响应式设计 - 移动端按钮优化 */
/* 移动端按钮样式在统一按钮样式文件中维护 */

/* 小屏按钮样式在统一按钮样式文件中维护 */

/* 区域标题样式 */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    position: relative;
}

.section-title h2 {
    font-size: var(--font-size-2xl);
    color: #ffffff;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: calc(-1 * var(--spacing-md));
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #00c6ff;
    border-radius: var(--border-radius-sm);
}

/* 头部导航样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
    background-color: rgba(6, 45, 75, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* min-height 由 navbar-height-adjustment.css 管控 */
}

/* 子页面导航栏统一宽度为 1400px（自适应，小屏不强制放大） */
body.subpage .header .container.header-content {
    max-width: 1400px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* Logo 容器 */
.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    height: 100%;
    min-height: 80px;
}

/* Logo 图片样式 - 固定大小 100x100 */
/* .logo-img 的尺寸由 navbar-height-adjustment.css 统一设置 */

.logo-text {
    /* 字号由 navbar-height-adjustment.css 控制 */
    font-weight: bold;
    color: #00c6ff;
    text-shadow: 0 0 10px rgba(0, 198, 255, 0.5), 0 1px 3px rgba(0, 0, 0, 0.5);
}

.logo-text span {
    color: #ffffff;
}

/* 导航容器 */
.nav {
    display: flex;
    align-items: center;
    height: 100%;
    min-height: 80px;
    /* 调试样式 - 如果需要检查对齐问题，可以取消注释 */
    /* border: 1px solid rgba(255, 0, 0, 0.3); */
}

.nav-list {
    display: flex;
    align-items: center;
    height: 100%;
}

/* 主导航链接样式 */
.nav-link {
    font-weight: 500;
    color: #ffffff;
    position: relative;
    line-height: 1.2;
    /* 添加line-height确保文字垂直居中 */
    transition: color 0.3s ease;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    white-space: nowrap;
    /* 防止文字换行影响对齐 */
    /* 浏览器兼容性修复 */
    -webkit-box-align: center;
    -webkit-box-pack: center;
    -ms-flex-align: center;
    -ms-flex-pack: center;
}

/* 移动端导航链接样式调整 */
@media screen and (max-width: 768px) {
    .nav-link {
        height: auto;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        line-height: 1.2;
        /* 确保移动端也有一致的line-height */
        white-space: nowrap;
        /* 防止文字换行 */
    }
}

/* 导航项基础样式 */
.nav-item {
    display: flex;
    align-items: center;
    height: 100%;
    justify-content: center;
    /* 浏览器兼容性修复 */
    -webkit-box-align: center;
    -webkit-box-pack: center;
    -ms-flex-align: center;
    -ms-flex-pack: center;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: #ffffff;
    border-radius: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* 滚动行为优化 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
    /* 为固定导航栏预留空间，确保内容不被遮挡 */
}

/* 英雄区域 */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, rgba(0, 20, 40, 0.7), rgba(0, 10, 30, 0.8)), url('../img/Back.webp') no-repeat center center/cover;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    padding-top: 80px;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, #0a0a14, transparent);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 100px;
    /* 标题下方间距，保持适中 */
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    animation: fadeInDown 1s ease;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 45px;
    /* 描述文字下方间距，与徽章保持适当距离 */
    animation: fadeInUp 1s ease 0.3s both;
}

/* 公司简介段落专用样式 */
.hero .company-intro {
    max-width: 900px;
    margin: 0 auto 45px auto;
    line-height: 1.8;
    text-align: center;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 关于我们区域 */
.about {
    padding: 80px 0;
    background: linear-gradient(135deg, #0a0a14 0%, #0d0d1a 50%, #0a0a14 100%);
    position: relative;
    box-shadow: inset 0 10px 20px rgba(0, 0, 0, 0.1);
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to bottom, #0f0f1a, transparent);
    pointer-events: none;
}

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

.about-text {
    flex: 1.2;
    padding-right: 20px;
}

/* 关于我们头部区域 - 图标和标题 */
.about-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.about-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.2), rgba(0, 114, 255, 0.2));
    border: 2px solid rgba(0, 198, 255, 0.4);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 8px 25px rgba(0, 198, 255, 0.2);
    transition: all 0.3s ease;
}

.about-icon:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 198, 255, 0.3);
    border-color: rgba(0, 198, 255, 0.6);
}

.about-icon-img {
    width: 35px;
    height: 35px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.about-icon-fallback {
    font-size: 2rem;
    color: #00c6ff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.about-text h3 {
    font-size: 2.2rem;
    margin-bottom: 0;
    color: #ffffff;
    line-height: 1.3;
    flex: 1;
}

/* c-T ID样式 */
#c-T {
    background: linear-gradient(135deg, #ffffff, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
    margin-left: 140px;
    text-align: left;
    width: auto;
}

.about-text p {
    margin-bottom: 20px;
    color: #a0a0c0;
    line-height: 1.8;
    font-size: 1rem;
}

/* 图片容器 - 优化布局和样式 */
.image-container {
    flex: 0.8;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--border-accent);
    position: relative;
    background: var(--bg-card);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}
/* 实际图片 - 优化显示效果 */
.responsive-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background-color: transparent;
    display: block;
    border-radius: 12px;
}


/* 页脚关于我们区域优化 */
.footer-section:first-child {
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}

.footer-section:first-child h4 {
    color: var(--accent-color);
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
}

.footer-section:first-child h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

.footer-section:first-child p {
    text-align: left;
    line-height: 1.7;
    color: #a0a0c0;
    margin-bottom: 25px;
    font-size: 0.95rem;
    text-indent: 0 !important;
}

.footer-section:first-child .social-links {
    justify-content: flex-start;
    gap: 30px;
    flex-direction: row;
    align-items: flex-start;
    margin-top: 20px;
    padding-left: 0;
}

.footer-section:first-child .wechat-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.footer-section:first-child .wechat-section img {
    border-radius: 8px;
    border: 2px solid rgba(0, 198, 255, 0.3);
    transition: border-color 0.3s ease;
}

.footer-section:first-child .wechat-section img:hover {
    border-color: #00c6ff;
}

.footer-section:first-child .wechat-label {
    font-size: 0.9rem;
    color: #00c6ff;
    font-weight: 500;
    margin: 0;
    text-align: left;
}

.footer-section:first-child .contact-info {
    margin-top: 0;
    text-align: left;
    max-width: 320px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-left: 10px;
}

.footer-section:first-child .contact-info p {
    margin-bottom: 0px;
    font-size: 0.9rem;
    color: #a0a0c0;
    line-height: 1.4;
}

.footer-section:first-child .contact-info strong {
    color: #00c6ff;
    font-weight: 600;
}

.footer-section:first-child .address-detail {
    margin-top: 5px;
    line-height: 1.6;
    color: #a0a0c0;
}

.footer-section:first-child .metro-info {
    color: #64748b;
    font-size: 0.85rem;
    /* font-style: italic; */
    margin-top: 3px;
    display: block;
}

/* 移动端关于我们内容布局调整 */
@media (max-width: 768px) {
    .about {
        padding: 60px 0;
    }

    .about-content {
        flex-direction: column;
        gap: 40px;
        padding: 0 20px;
    }

    .about-text {
        order: 1;
        padding-right: 0;
        text-align: center;
    }

    .about-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .about-icon {
        width: 50px;
        height: 50px;
    }

    .about-icon-img {
        width: 30px;
        height: 30px;
    }

    .about-icon-fallback {
        font-size: 1.5rem;
    }

    .about-text h3 {
        font-size: 1.8rem;
        margin-bottom: 0;
        text-align: center;
    }

    #c-T {
        margin-left: 0;
        font-size: 1.6rem;
        text-align: center;
    }

    .about-text p {
        font-size: 1rem;
        text-align: left;
    }

    .image-container {
        order: 2;
        min-height: 250px;
        width: 100%;
        max-width: 400px;
    }

    .footer-section:first-child {
        max-width: 100%;
        padding: 0 20px;
    }

    .footer-section:first-child .social-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .footer-section:first-child .wechat-section {
        order: 1;
        align-items: flex-start;
    }

    .footer-section:first-child .contact-info {
        order: 2;
        text-align: center;
        padding-left: 0;
        max-width: 100%;
    }

    .footer-section:first-child .contact-info p {
        text-align: center;
    }
}

/* 服务区域 */
.services {
    padding: 80px 0 80px 0;
    background: linear-gradient(135deg, #0f0f1a 0%, #12121f 50%, #0f0f1a 100%);
    position: relative;
    box-shadow: inset 0 -10px 20px rgba(0, 0, 0, 0.1);
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to bottom, #0a0a14, transparent);
    pointer-events: none;
}

/* 核心竞争力模块 */
.core-advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f0f1a 0%, #12121f 100%);
    position: relative;
    overflow: hidden;
}

.core-advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(0, 198, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 114, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

/* 核心竞争力卡片布局强制修复 - 桌面端 */
@media (min-width: 769px) {
    .core-advantages .advantages-grid {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: stretch !important;
        gap: var(--spacing-xl) !important;
        margin-top: var(--spacing-xxl) !important;
        position: relative !important;
        z-index: 2 !important;
    }
}

/* 桌面端卡片样式 */
@media (min-width: 769px) {
    .core-advantages .advantages-grid .advantage-card {
        min-width: 280px !important;
        flex: 1 !important;
        flex-shrink: 0 !important;
    }
}

.advantage-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 198, 255, 0.2);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

/* 桌面端卡片尺寸 */
@media (min-width: 769px) {
    .advantage-card {
        min-width: 280px !important;
        flex: 1 !important;
    }
}





.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 198, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.advantage-icon {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3.5rem;
}


/* 图片图标样式 */
.advantage-icon-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

/* 核心竞争力模块图标强制水平居中保障 */
.core-advantages .advantage-icon {
    width: 100%;
}

.core-advantages .advantage-icon-img {
    display: block;
    margin-left: auto;
    margin-right: auto;
}



.advantage-content h3 {
    font-size: 1.4rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 600;
    text-align: center;
}

/* 核心竞争力卡片标题居中对齐 */
.advantage-card h3 {
    font-size: 1.4rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 600;
    text-align: center;
}

.advantage-content p {
    color: #b0b0c0;
    line-height: 1.7;
    margin-bottom: 20px;
    text-align: justify;
    font-size: 0.95rem;
}

.advantage-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.feature-tag {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.2), rgba(0, 114, 255, 0.2));
    color: #00c6ff;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 198, 255, 0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

/* 响应式设计 - 移动端样式已移至mobile-optimization.css */

/* 小屏幕设备优化 */
@media (max-width: 480px) {
    .core-advantages {
        padding: 60px 0;
    }

    .feature-tag {
        font-size: 0.75rem;
        padding: 5px 10px;
    }
}

/* 服务卡片网格容器 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 198, 255, 0.2);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 380px;
    justify-content: space-between;
    /* 弹性布局优化 */
    min-width: 280px;
    max-width: 100%;
}

.service-card:nth-child(1) {
    animation-delay: 0.1s;
}

.service-card:nth-child(2) {
    animation-delay: 0.2s;
}

.service-card:nth-child(3) {
    animation-delay: 0.3s;
}

.service-card:nth-child(4) {
    animation-delay: 0.4s;
}

.service-card:nth-child(5) {
    animation-delay: 0.5s;
}

.service-card:nth-child(6) {
    animation-delay: 0.6s;
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 114, 255, 0.25);
    border-color: rgba(0, 198, 255, 0.4);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: #00c6ff;
    text-shadow: 0 0 15px rgba(0, 198, 255, 0.4);
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #ffffff;
    font-weight: 600;
    letter-spacing: 0.5px;
    /* 弹性布局优化 */
    min-height: 2.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 文本截断 */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.service-card p {
    color: #b0b0d0;
    /* flex-grow: 1; */
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 20px;
    /* 弹性布局优化 */
    min-height: 4.8rem;
    /* 文本截断 */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    /* -webkit-line-clamp: 4; */
    line-clamp: 4;
    -webkit-box-orient: vertical;
}

/* 语言类控制 */
html[lang="en"] .service-card h3 {
    font-size: 1.4rem;
    min-height: 2.8rem;
    -webkit-line-clamp: 3;
    line-clamp: 3;
}

html[lang="en"] .feature-tag {
    font-size: 0.9rem;
    padding: 4px 10px;
}



html[lang="en"] .service-card p {
    font-size: 0.9rem;
    min-height: 5.6rem;
    -webkit-line-clamp: 9;
    line-clamp: 9;
}

.service-card .btn {
    margin-top: auto;
    align-self: center;
    padding: 12px 25px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 25px;
    transition: all 0.3s ease;
}

/* 联系我们区域 */
.contact {
    padding: 5px 0;
    background: linear-gradient(135deg, #0f0f1a 0%, #12121f 50%, #0f0f1a 100%);
    position: relative;
    box-shadow: inset 0 -10px 20px rgba(0, 0, 0, 0.1);
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to bottom, #0a0a14, transparent);
    pointer-events: none;
}

.contact-wrapper {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 35px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    transition: all 0.3s ease;
}

/* 移除悬浮效果 */
/* .contact-detail:hover {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.1), rgba(0, 114, 255, 0.1));
    border-color: rgba(0, 198, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 198, 255, 0.1);
} */

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 198, 255, 0.2);
    border: 2px solid rgba(0, 198, 255, 0.3);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
    min-width: 50px;
    box-shadow: 0 4px 15px rgba(0, 198, 255, 0.2);
    transition: all 0.3s ease;
}
.contact-icon-img {
    width: 25px;
    height: 25px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.contact-text {
    flex: 1;
}

.contact-text h4 {
    margin-bottom: 8px;
    color: #00c6ff;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-text h4::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 198, 255, 0.3), transparent);
}

.contact-text p {
    color: #a0a0c0;
    line-height: 1.6;
    margin-bottom: 5px;
    font-size: 0.95rem;
}

.contact-text p:last-child {
    margin-bottom: 0;
}

.contact-form {
    flex: 1;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.05), rgba(0, 114, 255, 0.05));
    border: 1px solid rgba(0, 198, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    color: #00c6ff;
    font-size: 0.95rem;
    position: relative;
}

.form-group label::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 20px;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 198, 255, 0.5), transparent);
}

.form-control {
    width: 100%;
    padding: 5px 18px;
    border: 2px solid rgba(0, 198, 255, 0.2);
    border-radius: 10px;
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 400;
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.form-control:focus {
    outline: none;
    border-color: #00c6ff;
    box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.15);
    background-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: rgba(160, 160, 192, 0.6);
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    font-weight: 400;
}

textarea.form-control {
    height: 100px !important;
    min-height: 100px !important;
    max-height: 100px !important;
    resize: none;
    line-height: 1.6;
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 400;
}

/* 提交按钮样式优化 */
.contact-form .btn {
    width: 100%;
    padding: 18px 24px;
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 198, 255, 0.3);
    min-height: 58px;
    position: relative;
    overflow: hidden;
}

.contact-form .btn:hover {
    background: linear-gradient(135deg, #0099cc, #0055aa);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 198, 255, 0.4);
}

.contact-form .btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 198, 255, 0.3);
}

.contact-form .btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.contact-form .btn:hover:before {
    left: 100%;
}
/* 字符计数器样式 */
.char-count {
    text-align: right;
    font-size: 0.85rem;
    color: rgba(160, 160, 192, 0.7);
    margin-top: 8px;
    /* font-style: italic; */
}

/* 错误提示样式 - 工具提示方式 */
.form-error {
    position: absolute;
    top: 90%;
    left: 0;
    /* right: 0; */
    background: rgba(255, 255, 255, 0.95);
    color: #ffffff;
    font-size: 0.8rem;
    padding: 0px 10px;
    border-radius: 6px;
    margin-top: 4px;
    font-weight: 500;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
    backdrop-filter: blur(10px);
}

.form-error.show {
    opacity: 1;
    transform: translateY(0);
}

.form-error::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 20px;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 4px solid rgba(255, 107, 107, 0.95);
}

/* 表单验证状态样式 */
.form-control.error {
    border-color: #ff6b6b !important;
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15) !important;
    background-color: rgba(255, 107, 107, 0.05) !important;
}

.form-control.success {
    border-color: #28a745 !important;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.15) !important;
    background-color: rgba(40, 167, 69, 0.05) !important;
}

/* 表单组状态指示器 */
.form-group {
    position: relative;
}

.form-group::after {
    content: '';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 10;
}



.form-group.success::after {
    content: '✓';
    color: #28a745;
    font-size: 16px;
    font-weight: bold;
    opacity: 1;
}

/* 调整输入框右侧内边距，为状态指示器留出空间 */
.form-control {
    padding-right: 45px;
}

/* 加载状态样式 */
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* 表单响应式优化 */
@media (max-width: 768px) {
    .contact-form {
        padding: 25px;
        margin: 20px 0;
    }

    .form-group {
        margin-bottom: 18px;
    }

    .form-control {
        padding: 14px 16px 14px 16px;
        padding-right: 45px;
        min-height: 48px;
        font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
        font-size: 0.95rem;
        font-weight: 400;
    }

    .form-group label {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }

    .contact-form .btn {
        padding: 16px 20px;
        font-size: 1.1rem;
        min-height: 52px;
    }

    textarea.form-control {
        height: 100px !important;
        min-height: 100px !important;
        max-height: 100px !important;
        font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
        font-weight: 400;
    }
}

@media (max-width: 480px) {
    .contact-form {
        padding: 20px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-control {
        padding: 12px 14px 12px 14px;
        padding-right: 45px;
        min-height: 44px;
        font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
        font-size: 0.9rem;
        font-weight: 400;
    }

    .form-group label {
        font-size: 0.9rem;
    }

    .contact-form .btn {
        padding: 14px 18px;
        font-size: 1rem;
        min-height: 48px;
    }
}

/* 页脚样式 */
.footer {
    background-color: #05050a;
    color: #a0a0c0;
    padding: 50px 0 20px;
    border-top: 1px solid rgba(0, 198, 255, 0.1);
    position: relative;
    z-index: 10;
    min-height: 200px;
    /* 确保页脚有最小高度 */
    display: block !important;
    /* 强制显示 */
    visibility: visible !important;
    /* 强制可见 */
    opacity: 1 !important;
    /* 强制不透明 */
    width: 100% !important;
    /* 确保宽度 */
    clear: both !important;
    /* 清除浮动 */
    margin-top: auto !important;
    /* 推到底部 */
    flex-shrink: 0 !important;
    /* 防止收缩 */
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section {
    flex: 1;
    min-width: 250px;
}

.footer-section h4 {
    color: #00c6ff;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #a0a0c0;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00c6ff;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #1a1a2e;
    border-radius: 50%;
    color: #e0e0e0;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 198, 255, 0.2);
}

.social-links a:hover {
    background-color: #00c6ff;
    border-color: #00c6ff;
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #1a1a2e;
    font-size: 0.9rem;
    color: #ffffff;
}

.footer-bottom p {
    text-align: center !important;
    text-indent: 0 !important;
    margin-bottom: 0;
}

@media (max-width: 992px) {

    .about-content,
    .contact-wrapper {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {

    /* 隐藏桌面端导航栏的默认样式 */
    .nav {
        display: block !important;
        /* 保持nav容器可见 */
    }

    /* 移动端导航栏样式重置和重新定义 - 使用更高优先级的选择器 */
    .header .nav-container .nav .nav-list {
        display: block !important;
        /* 改为block，确保移动端菜单可见 */
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: rgba(6, 45, 75, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        align-items: center;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out, border-top 0.3s ease-in-out;
        border-top: 1px solid transparent;
        /* 默认透明边框，避免布局跳动 */
        box-shadow: var(--shadow-lg);
        z-index: 1000;
        gap: 0;
        /* 覆盖桌面端的gap设置 */
        height: auto;
        min-height: auto;
    }

    /* 激活状态的移动端导航栏 */
    .header .nav-container .nav .nav-list.active {
        max-height: 400px;
        padding: 20px 0;
        border-top: 1px solid rgba(0, 198, 255, 0.3);
        /* 只在激活时显示蓝色边框 */
    }

    .nav-item {
        margin: 15px 0;
        width: 100%;
        text-align: center;
        position: relative;
        height: auto;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 44px;
        /* 确保移动端有足够的最小高度 */
    }

    .mobile-menu-btn {
        display: flex !important;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* 取消汉堡按钮的焦点/可见焦点轮廓线 */
    .mobile-menu-btn:focus,
    .mobile-menu-btn:focus-visible {
        outline: none !important;
        box-shadow: none !important;
    }

    .hero {
        height: 90vh;
        min-height: 500px;
    }

    /* 移动端header高度由 navbar-height-adjustment.css 控制 */

    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 35px;
        /* 移动端标题下方间距 */
    }

    .hero p {
        margin-bottom: 35px;
        /* 移动端描述文字下方间距 */
    }

    .hero-badges {
        gap: 15px;
        /* 移动端徽章间距 */
        margin: 30px 0 40px 0;
        /* 移动端徽章区域间距 */
    }

    .section-title h2 {
        font-size: 2rem;
    }

    /* 调整 Logo 在移动端的显示 */
    .logo-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        height: auto;
        min-height: auto;
    }

    /* 移动端 .logo-img 尺寸由 navbar-height-adjustment.css 控制 */

    /* 移动端 .logo-text 字号由 navbar-height-adjustment.css 控制 */



    /* 移动端模块高度调整 */
    .about {
        padding: 80px 0;
    }

    .services {
        padding: 100px 0;
    }

    .team {
        padding: 80px 0;
    }

    .cases {
        padding: 100px 0;
    }

    .careers {
        padding: 120px 0;
    }

    .contact {
        padding: 80px 0;
    }

    /* 移动端关于我们内容布局调整 */
    .about-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-text {
        order: 1;
    }

    .image-container {
        order: 2;
        min-height: 182px;
    }

    .contact-detail {
        padding: 12px;
        margin-bottom: 15px;
    }

    .contact-icon {
        width: 40px;
        height: 40px;
        margin-right: 12px;
        min-width: 40px;
    }

    .contact-icon-img {
        width: 20px;
        height: 20px;
    }

    .contact-text h4 {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    .contact-text p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

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

    .contact-form {
        padding: 20px;
    }

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

    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .form-control {
        padding: 12px 15px 12px 15px;
        padding-right: 45px;
        font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
        font-size: 0.95rem;
        font-weight: 400;
    }

    .contact-form .btn {
        padding: 12px 18px;
        font-size: 1rem;
    }

    /* 移动端：子菜单样式（折叠展开） */
    /*
    .nav-item.has-submenu > .nav-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .nav-item.has-submenu .caret {
        margin-left: 10px;
        transition: transform .2s ease;
    }
    .nav-item.has-submenu .submenu {
        position: static;
        background: rgba(6, 45, 75, 0.7); 
        border: none;
        border-radius: 6px;
        box-shadow: none;
        padding: 0 0 0 10px;
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        transition: max-height .25s ease;
    }
    .nav-item.has-submenu.open .submenu {
        max-height: 600px; 
    }
    .nav-item.has-submenu.open > .nav-link .caret {
        transform: rotate(180deg);
    }
    */
}

/* 英雄区域徽章样式 */
.hero-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    /* 增加徽章之间的间距 */
    margin: 100px 0 50px 0;
    /* 增加徽章区域上下间距，让布局更大气 */
    flex-wrap: wrap;
}

.badge {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.2), rgba(0, 114, 255, 0.2));
    border: 1px solid rgba(0, 198, 255, 0.3);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #00c6ff;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.badge:hover {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.3), rgba(0, 114, 255, 0.3));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 198, 255, 0.3);
}

/* 团队部分样式 */
.team {
    padding: 5px 0;
    background: linear-gradient(135deg, #0a0a14 0%, #0d0d1a 50%, #0a0a14 100%);
    position: relative;
    box-shadow: inset 0 10px 20px rgba(0, 0, 0, 0.1);
}

.team::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to bottom, #0f0f1a, transparent);
    pointer-events: none;
}

.team-content {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.team-text {
    flex: 1;
}

.team-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.team-text p {
    margin-bottom: 30px;
    color: #a0a0c0;
    line-height: 1.8;
}

.team-stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #00c6ff;
    text-shadow: 0 0 10px rgba(0, 198, 255, 0.3);
    margin-bottom: 10px;
}

.stat-label {
    color: #a0a0c0;
    font-size: 0.9rem;
}

.team-cards {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.team-card {
    background: linear-gradient(145deg, #141428, #0f0f1f);
    border-radius: 10px;
    padding: 25px;
    border: 1px solid rgba(0, 198, 255, 0.1);
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 198, 255, 0.3);
    box-shadow: 0 10px 25px rgba(0, 114, 255, 0.2);
}

.team-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.team-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.team-card p {
    color: #a0a0c0;
    line-height: 1.6;
}

/* 案例部分样式 */
.cases {
    padding: 5px 0 40px 0;
    background: linear-gradient(135deg, #0f0f1a 0%, #12121f 50%, #0f0f1a 100%);
    position: relative;
    box-shadow: inset 0 -10px 20px rgba(0, 0, 0, 0.1);
}

/* 案例滚动容器 */
.cases-scroll-container {
    position: relative;
    overflow: hidden;
    max-width: 1230px;
    margin: 0 auto;
    padding: 20px 0;
}

.cases-track {
    display: flex;
    gap: 30px;
    width: max-content;
    transition: transform 0.5s ease;
    /* 移除自动滚动动画，支持手动控制 */
}

.case-card {
    background: linear-gradient(145deg, #141428, #0f0f1f);
    border-radius: 15px;
    padding: 8px;
    border: 1px solid rgba(0, 198, 255, 0.1);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-align: center;
    min-width: 250px !important;
    /* 添加!important确保优先级 */
    width: 380px !important;
    /* 添加固定宽度 */
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    will-change: transform;
    transform: translateZ(0);
}

/* 添加卡片内部光效 */
.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 198, 255, 0.1), transparent);
    transition: left 0.8s ease;
    z-index: 1;
}

.case-card:hover::before {
    left: 100%;
}

.case-card:hover {
    border-color: rgba(0, 198, 255, 0.6);
    box-shadow:
        0 25px 50px rgba(0, 114, 255, 0.4),
        0 0 40px rgba(0, 198, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* 防止边缘闪烁的缓冲区 */
.case-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    pointer-events: none;
    z-index: -1;
}

/* 添加卡片内容动画 */
.case-card .case-logo {
    transition: all 0.4s ease;
    transform: translateY(0);
    will-change: transform;
}

.case-card:hover .case-logo {
    transform: translateY(-5px);
    animation: logoGlow 2s ease-in-out infinite alternate;
}

.case-card .case-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00c6ff;
    margin-bottom: 15px;
    padding: 15px;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.1), rgba(0, 114, 255, 0.1));
    border-radius: 12px;
    border: 1px solid rgba(0, 198, 255, 0.2);
    position: relative;
    z-index: 2;
}

.case-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #ffffff;
    transition: all 0.4s ease;
    transform: translateY(0);
}

.case-card p {
    color: #a0a0c0;
    font-style: normal;
    line-height: 1.6;
    transition: all 0.4s ease;
}

/* 滚动动画 */
@keyframes scrollCases {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* 动画定义 */
@keyframes logoGlow {
    0% {
        box-shadow: 0 0 10px rgba(0, 198, 255, 0.3);
        text-shadow: 0 0 5px rgba(0, 198, 255, 0.5);
    }

    100% {
        box-shadow: 0 0 20px rgba(0, 198, 255, 0.6);
        text-shadow: 0 0 10px rgba(0, 198, 255, 0.8);
    }
}

@keyframes titlePulse {
    0% {
        text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
    }

    100% {
        text-shadow: 0 0 15px rgba(255, 255, 255, 0.6);
    }
}

@keyframes textFade {
    0% {
        opacity: 0.8;
    }

    100% {
        opacity: 1;
    }
}

/* 滚动容器悬停暂停效果 */
.cases-scroll-container:hover .cases-track {
    animation-play-state: paused;
}

/* 添加滚动背景粒子效果 */
.cases-scroll-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 198, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, rgba(0, 114, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 40% 80%, rgba(0, 198, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px, 30px 30px, 40px 40px;
    animation: particleFloat 20s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes particleFloat {
    0% {
        transform: translateY(0px);
    }

    100% {
        transform: translateY(-50px);
    }
}

/* 平板端滚动样式调整 */
@media (max-width: 768px) {
    .cases-scroll-container {
        max-width: 700px;
        padding: 10px 0;
    }

    .cases-track {
        gap: 20px;
        animation-duration: 20s;
    }

    .case-card {
        min-width: 280px !important;
        width: 320px !important;
        /* 移动端固定宽度 */
        padding: 20px;
    }

    .case-card .case-logo {
        font-size: 1.2rem;
        padding: 10px;
    }

    .case-card h4 {
        font-size: 1.1rem;
    }

    .case-card p {
        font-size: 0.9rem;
    }

    .notification {
        top: 80px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    /* 移动端模块交替效果调整 */
    .section-alternate::after {
        background-size: 15px 15px;
        animation: subtleMove 15s linear infinite;
    }

    /* 移动端案例轮播调整 */
    .cases-slider {
        max-width: 100%;
        padding: 0 20px;
        perspective: 800px;
    }

    .case-card {
        min-width: 280px;
        padding: 20px;
        border-radius: 12px;
    }

    .cases-arrow {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .cases-arrow.prev {
        left: -50px;
    }

    .cases-arrow.next {
        right: -50px;
    }

    .cases-controls {
        margin-top: 30px;
    }

    .case-dot {
        width: 10px;
        height: 10px;
    }

    /* 移动端渐变过渡效果调整 */
    .about::before,
    .services::before,
    .team::before,
    .cases::before,
    .careers::before,
    .contact::before {
        height: 30px;
    }

    .hero::after {
        height: 50px;
    }

    /* 移动端轮播动画优化 */
    .cases-track {
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    /* 移动端卡片内容动画调整 */
    .case-card .case-logo {
        font-size: 1.3rem;
        padding: 12px;
    }

    .case-card h4 {
        font-size: 1.2rem;
    }

    .case-card p {
        font-size: 0.9rem;
    }

    /* 移动端粒子效果调整 */
    .cases-slider::after {
        background-size: 30px 30px, 20px 20px, 25px 25px;
        animation: particleFloat 15s linear infinite;
    }

}

/* 手机端滚动样式调整 */
@media (max-width: 480px) {
    .cases-scroll-container {
        max-width: 350px;
        padding: 10px 0;
    }
    
    .cases-slider {
        padding: 0 10px;
    }

    .case-card {
        min-width: 250px !important;
        width: 280px !important;
        /* 超小屏幕固定宽度 */
        padding: 15px;
    }

    .cases-arrow {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }

    .cases-arrow.prev {
        left: -40px;
    }

    .cases-arrow.next {
        right: -40px;
    }

    .case-card .case-logo {
        font-size: 1.2rem;
        padding: 10px;
    }

    .case-card h4 {
        font-size: 1.1rem;
    }

    .case-card p {
        font-size: 0.85rem;
    }
}

/* 人才培养部分样式 */
.careers {
    padding: 80px 0;
    background: linear-gradient(135deg, #0a0a14 0%, #0d0d1a 50%, #0a0a14 100%);
    position: relative;
    box-shadow: inset 0 10px 20px rgba(0, 0, 0, 0.1);
}

.careers::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to bottom, #0f0f1a, transparent);
    pointer-events: none;
}

.careers-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.careers-icon {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.careers-icon-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.careers-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #00c6ff;
}

.careers-text p {
    color: #a0a0c0;
    line-height: 1.8;
    margin-bottom: 25px;
}

.careers-text ul {
    list-style: none;
    padding: 0;
}

.careers-text li {
    color: #e0e0e0;
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.careers-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00c6ff;
    font-weight: bold;
}

.careers-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.career-stat-item {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(145deg, #141428, #0f0f1f);
    border-radius: 15px;
    /* border: 1px solid rgba(0, 198, 255, 0.1); */
    transition: all 0.3s ease;
}

.career-stat-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 198, 255, 0.3);
    box-shadow: 0 10px 25px rgba(0, 198, 255, 0.2);
}

.career-stat-item .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #00c6ff;
    margin-bottom: 10px;
}

.career-stat-item .stat-label {
    color: #e0e0e0;
    font-size: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .careers-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .careers-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .careers-icon-img {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .careers-stats {
        grid-template-columns: 1fr;
    }

    .career-stat-item {
        padding: 20px 15px;
    }

    .career-stat-item .stat-number {
        font-size: 2rem;
    }
}

/* 通知提示样式 */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    max-width: 400px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: slideInRight 0.3s ease;
}

.notification-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    border-radius: 8px;
}

.notification-message {
    flex: 1;
    margin-right: 10px;
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.notification-close:hover {
    opacity: 1;
}

.notification-success {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border-left: 4px solid #2E7D32;
}

.notification-error {
    background: linear-gradient(135deg, #f44336, #d32f2f);
    color: white;
    border-left: 4px solid #C62828;
}

.notification-info {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    color: white;
    border-left: 4px solid #1565C0;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 响应式设计补充 */
@media (max-width: 992px) {
    .team-content {
        flex-direction: column;
    }

    .team-stats {
        justify-content: center;
    }

    .hero-badges {
        gap: 10px;
    }

    .badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

@media (max-width: 768px) {
    .team-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-item {
        flex: none;
    }

    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .hero-badges {
        flex-direction: column;
        align-items: center;
    }

    .jobs-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .service-card {
        padding: 25px 20px;
        min-height: 300px;
    }

    .service-icon {
        font-size: 3rem;
        margin-bottom: 20px;
    }

    .service-icon-img {
        width: 60px;
        height: 60px;
    }

    .service-card h3 {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
}

/* 为"关于我们"区块添加居中对齐 */
.footer-section:first-child {
    text-align: center;
}

.footer-section:first-child p {
    text-align: left;
    text-indent: 0 !important;
}

/* 社交媒体链接布局 - 使用新的样式规则 */
.footer-section:first-child .social-links {
    justify-content: flex-start;
    gap: 5px;
    flex-direction: row;
    align-items: flex-start;
    margin-top: 20px;
    padding-left: 0;
}

/* 为"快速链接"标题和链接列表添加居中对齐 */
.footer-section:nth-child(2) h4 {
    text-align: center;
}

.footer-section:nth-child(2) .footer-links {
    text-align: center;
}

/* 二维码弹出效果样式 */
.social-link {
    position: relative;
}

.qr-code-popup {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(145deg, #141428, #0f0f1f);
    border: 1px solid rgba(0, 198, 255, 0.3);
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    min-width: 120px;
    text-align: center;
    margin-top: 10px;
}

.qr-code-popup::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-bottom-color: rgba(0, 198, 255, 0.3);
}

.qr-code-popup img {
    width: 100px;
    height: 100px;
    border-radius: 5px;
    margin-bottom: 8px;
    display: block;
    margin: 0 auto 8px;
}

.qr-code-popup p {
    color: #00c6ff;
    font-size: 0.9rem;
    margin: 0;
    font-weight: 500;
}

/* 悬停时显示二维码 */
.social-link:hover .qr-code-popup {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(5px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .qr-code-popup {
        min-width: 100px;
        padding: 12px;
    }

    .qr-code-popup img {
        width: 80px;
        height: 80px;
    }

    .qr-code-popup p {
        font-size: 0.8rem;
    }
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 5px 15px rgba(0, 198, 255, 0.3);
}

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

.back-to-top:hover {
    box-shadow: 0 10px 25px rgba(0, 198, 255, 0.5);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* 通知系统样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border: 1px solid rgba(0, 198, 255, 0.3);
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    transform: translateX(100%);
    animation: slideInNotification 0.3s ease forwards;
}

.notification-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.notification-message {
    color: #e0e0e0;
    font-size: 14px;
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: #888;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
}

.notification-success {
    border-color: rgba(76, 175, 80, 0.5);
    background: linear-gradient(135deg, #1a2e1a, #162e16);
}

.notification-error {
    border-color: rgba(244, 67, 54, 0.5);
    background: linear-gradient(135deg, #2e1a1a, #2e1616);
}

.notification-info {
    border-color: rgba(33, 150, 243, 0.5);
    background: linear-gradient(135deg, #1a1a2e, #16213e);
}

@keyframes slideInNotification {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 图片懒加载样式 */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-image.loaded {
    opacity: 1;
}

/* 确保图片在加载前也能显示，避免完全隐藏 */
.lazy-image:not(.loaded) {
    opacity: 0.8;
}

/* 错误页面样式 */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #0a0a14 0%, #1a1a2e 100%);
}

.error-content {
    max-width: 500px;
    padding: 40px 20px;
}

.error-code {
    font-size: 120px;
    font-weight: bold;
    color: #00c6ff;
    margin-bottom: 20px;
    text-shadow: 0 0 20px rgba(0, 198, 255, 0.5);
}

.error-title {
    font-size: 24px;
    color: #e0e0e0;
    margin-bottom: 15px;
}

.error-message {
    color: #888;
    margin-bottom: 30px;
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 无障碍访问优化 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid #00c6ff;
    }

    .service-card,
    .team-card,
    .case-card,
    .job-card {
        border: 2px solid rgba(0, 198, 255, 0.3);
    }
}

/* 焦点样式优化：仅在键盘导航时显示可见焦点，避免鼠标点击出现蓝色边框 */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 2px solid #00c6ff;
    outline-offset: 2px;
}

/* 导航栏链接不显示焦点效果 */
.nav-link:focus,
.nav-link:focus-visible {
    outline: none !important;
    outline-offset: 0 !important;
}

/* 跳过导航链接 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #00c6ff;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10001;
}

.skip-link:focus {
    top: 6px;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .error-code {
        font-size: 80px;
    }

    .error-title {
        font-size: 20px;
    }

    .error-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* 打印样式 */
@media print {

    .page-loader,
    .back-to-top,
    .notification,
    .mobile-menu-btn {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .header {
        background: white !important;
        color: black !important;
    }
}

/* 客户Logo墙样式 */
.client-logos {
    margin-top: 40px;
    text-align: center;
}

.client-logos h3 {
    font-size: 24px;
    color: #e0e0e0;
    margin-bottom: 30px;
    position: relative;
}

.client-logos h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00c6ff, #0099cc);
    border-radius: 2px;
}

/* 客户分类标签 */
.client-categories {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary-color);
    border-color: var(--accent-color);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.client-logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
    margin-bottom: 50px;
}

.client-logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 25px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    will-change: transform;
    transform: translateZ(0);
}

.client-logo-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 198, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.client-logo-item:hover::before {
    left: 100%;
}

.client-logo-item:hover {
    transform: translateY(-4px);
    background: var(--bg-secondary);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg);
}

/* 防止边缘闪烁的缓冲区 */
.client-logo-item::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    pointer-events: none;
    z-index: -1;
}

.client-logo {
    width: 90px;
    height: 90px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-secondary);
    overflow: hidden;
    position: relative;
}

.client-logo::after {
    content: attr(data-fallback);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: bold;
    color: #666;
    text-align: center;
    line-height: 1.2;
}

.client-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.client-logo-item:hover .client-logo {
    box-shadow: 0 12px 25px rgba(0, 198, 255, 0.4);
    border-color: rgba(0, 198, 255, 0.5);
}

.client-name {
    font-size: 16px;
    color: #ffffff;
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
}

.client-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.client-type {
    font-size: 12px;
    color: #00c6ff;
    background: rgba(0, 198, 255, 0.1);
    padding: 4px 8px;
    border-radius: 10px;
    border: 1px solid rgba(0, 198, 255, 0.2);
}

.cooperation-years {
    font-size: 11px;
    color: #a0a0c0;
    /* font-style: italic; */
}

/* 客户评价轮播 */
.client-testimonials {
    margin: 60px 0 40px 0;
    text-align: center;
}

.client-testimonials h3 {
    font-size: 28px;
    color: #ffffff;
    margin-bottom: 40px;
    position: relative;
}

.client-testimonials h3::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #00c6ff, #0099cc);
    border-radius: 2px;
}

.testimonials-container {
    position: relative;
    height: 200px;
    overflow: hidden;
    margin-bottom: 30px;
}

.testimonial-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    transform: translateX(50px);
}

.testimonial-item.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.testimonial-content {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.05), rgba(0, 153, 204, 0.05));
    border: 1px solid rgba(0, 198, 255, 0.2);
    border-radius: 20px;
    padding: 30px;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 60px;
    color: rgba(0, 198, 255, 0.3);
    font-family: serif;
}

.testimonial-content p {
    font-size: 18px;
    color: #e0e0e0;
    line-height: 1.6;
    margin-bottom: 20px;
    /* font-style: italic; */
}

.testimonial-author {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.author-name {
    font-weight: 600;
    color: #00c6ff;
    font-size: 16px;
}

.author-company {
    color: #a0a0c0;
    font-size: 14px;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 198, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
    background: #00c6ff;
}

/* =============================
   简洁版：服务客户模块（Logo墙）
   目标：保留纯Logo网格，隐藏分类/评价/统计，弱化装饰与动画
   ============================= */
.client-categories,
.client-testimonials,
.cooperation-stats {
    display: none !important;
}

.client-logos-grid {
    grid-template-columns: repeat(auto-fit, minmax(clamp(120px, 12vw, 200px), 1fr)) !important;
    /* 客户logo间距 pc端*/
    gap: 0px !important;  
    
    margin-top: 10px !important;
    margin-bottom: 10px !important;
}

.client-logo-item {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0px 0px !important;
    animation: none !important;
}

.client-logo-item::before {
    display: none !important;
}

.client-logos {
    --logo-ar: 3 / 1;
}



.client-logo-item:hover,
.client-logo-item:hover .client-logo,
.client-logo-item:hover .client-logo img {
    transform: none !important;
    box-shadow: none !important;
}

.client-name,
.client-info {
    display: none !important;
}

/* 合作数据统计 */
.cooperation-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.05), rgba(0, 153, 204, 0.05));
    border: 1px solid rgba(0, 198, 255, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: rgba(0, 198, 255, 0.3);
    box-shadow: 0 10px 25px rgba(0, 198, 255, 0.2);
}

.stat-icon {
    font-size: 2.5rem;
    min-width: 60px;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #00c6ff;
    margin-bottom: 5px;
}

.stat-label {
    color: #e0e0e0;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .client-categories {
        gap: 10px;
    }

    .category-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .client-logos-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }

    /* 注释掉冲突的样式，使用统一的logo样式 */
    /*
    .client-logo {
        width: 70px;
        height: 70px;
    }
    */

    .testimonials-container {
        height: 180px;
    }

    .testimonial-content {
        padding: 20px;
    }

    .testimonial-content p {
        font-size: 16px;
    }

    .cooperation-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-item {
        padding: 20px;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .client-logos-grid {
        grid-template-columns: 1fr;
    }

    .cooperation-stats {
        grid-template-columns: 1fr;
    }

    .testimonial-content {
        padding: 15px;
    }

    .testimonial-content p {
        font-size: 14px;
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 客户Logo项动画 */
.client-logo-item {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--animation-order) * 0.1s);
}

.client-logo-item:nth-child(1) {
    --animation-order: 1;
}

.client-logo-item:nth-child(2) {
    --animation-order: 2;
}

.client-logo-item:nth-child(3) {
    --animation-order: 3;
}

.client-logo-item:nth-child(4) {
    --animation-order: 4;
}

.client-logo-item:nth-child(5) {
    --animation-order: 5;
}

.client-logo-item:nth-child(6) {
    --animation-order: 6;
}

.client-logo-item:nth-child(7) {
    --animation-order: 7;
}

.client-logo-item:nth-child(8) {
    --animation-order: 8;
}

.client-logo-item:nth-child(9) {
    --animation-order: 9;
}

.client-logo-item:nth-child(10) {
    --animation-order: 10;
}

.client-logo-item:nth-child(11) {
    --animation-order: 11;
}

/* 统计项动画 */
.stat-item {
    animation: slideInLeft 0.6s ease forwards;
    animation-delay: calc(var(--stat-order) * 0.2s);
}

.stat-item:nth-child(1) {
    --stat-order: 1;
}

.stat-item:nth-child(2) {
    --stat-order: 2;
}

.stat-item:nth-child(3) {
    --stat-order: 3;
}

.stat-item:nth-child(4) {
    --stat-order: 4;
}

/* 悬停时的脉冲效果 */
.client-logo-item:hover .client-logo {
    animation: pulse 1s ease infinite;
}

/* 加载状态 */
.client-logo-item.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 筛选动画 */
.client-logo-item.filtered-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
    }
}

/* 评价轮播切换动画 */
.testimonial-item {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-item.active {
    animation: slideInRight 0.5s ease forwards;
}

/* 统计数字计数动画 */
.stat-number {
    display: inline-block;
    transition: all 0.3s ease;
}

.stat-item:hover .stat-number {
    color: #ffffff;
}

/* 取消统计项悬浮动画（含"500万+ 采集数据量"等） */
.stat-item:hover,
.career-stat-item:hover,
.overview-stats .stat-item:hover {
    transform: none !important;
    box-shadow: none !important;
    border-color: inherit !important;
}

.stat-item:hover .stat-number,
.career-stat-item:hover .stat-number,
.overview-stats .stat-item:hover .stat-number {
    transform: none !important;
    color: #00c6ff !important;
}

/* 客户类型标签动画 */
.client-type {
    transition: all 0.3s ease;
}

.client-logo-item:hover .client-type {
    background: rgba(0, 198, 255, 0.2);
    border-color: rgba(0, 198, 255, 0.4);
}

/* ========================================
   子页面布局样式
   ======================================== */

/* 页面标题区域 */
.page-hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, rgba(0, 20, 40, 0.7), rgba(0, 10, 30, 0.8)), url('../img/Back.webp') no-repeat center center/cover;
    color: white;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::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"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: particleFloat 20s linear infinite;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, #0a0a14, transparent);
    pointer-events: none;
}

@keyframes particleFloat {
    0% {
        transform: translateY(0px) rotate(0deg);
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
    }
}

.page-title h1 {
    font-size: 3rem;
    /* 与主页面保持一致 */
    margin-bottom: 50px;
    /* 与主页面保持一致的大气间距 */
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    /* 与主页面保持一致 */
    position: relative;
    z-index: 1;
    animation: fadeInDown 1s ease;
    /* 添加与主页面相同的动画 */
}

.page-title p {
    font-size: 1.1rem;
    /* 与主页面保持一致 */
    margin-bottom: 45px;
    /* 与主页面保持一致的大气间距 */
    opacity: 0.9;
    max-width: 600px;
    /* 与主页面保持一致 */
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
    line-height: 1.6;
    text-indent: 0;
    /* 取消段落文字缩进 */
    text-align: center;
    /* 与主页面保持一致居中对齐 */
    animation: fadeInUp 1s ease 0.3s both;
    /* 添加与主页面相同的动画 */
}

/* 子页面英雄区域内容容器 */
.page-hero .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* 数据标注对齐样式 */
.page-title .annotation-aligned {
    text-align: center;
    /* 居中对齐 */

}

.page-title .btn {
    position: relative;
    z-index: 1;
    padding: 18px 36px;
    /* 与主页面保持一致 */
    font-size: 1.1rem;
    font-weight: 600;
    background: var(--primary-color);
    /* 与主页面保持一致 */
    border: 2px solid var(--border-accent);
    /* 与主页面保持一致 */
    color: white;
    border-radius: 8px;
    /* 与主页面保持一致 */
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    /* 与主页面保持一致 */
    animation: fadeInUp 1s ease 0.6s both;
    /* 添加与主页面相同的动画 */
}

.page-title .btn:hover {
    background: var(--primary-dark);
    /* 与主页面保持一致 */
    border-color: var(--accent-color);
    /* 与主页面保持一致 */
    box-shadow: var(--shadow-xl);
    /* 与主页面保持一致 */
    transform: translateY(-2px);
    /* 与主页面保持一致 */
}

/* 服务概述 */
.service-overview {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #333333;
}

.overview-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}



/* 服务亮点样式 */
.service-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.05) 0%, rgba(0, 114, 255, 0.05) 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 198, 255, 0.1);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 198, 255, 0.15);
    border-color: rgba(0, 198, 255, 0.2);
}

/* 重点突出高效交付 */
.highlight-primary {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.12) 0%, rgba(0, 114, 255, 0.12) 100%) !important;
    border: 2px solid #00c6ff !important;
    box-shadow: 0 4px 20px rgba(0, 198, 255, 0.2) !important;
    position: relative;
    overflow: hidden;
    min-height: 120px;
    /* 设置最小高度 */
    padding: 30px 25px !important;
    /* 增加内边距 */
}

/* 独立宽度控制：让"高效交付"卡片更宽（跨两列） */
.service-highlights {
    grid-auto-flow: dense;
}

@media (min-width: 992px) {
    .service-highlights .highlight-primary {
        grid-column: span 2;
        min-width: 560px;
        /* 按需调整 */
    }
}

@media (max-width: 991.98px) {
    .service-highlights .highlight-primary {
        grid-column: auto;
        min-width: 0;
    }
}

.highlight-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.highlight-primary:hover::before {
    left: 100%;
}

.highlight-primary:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 12px 35px rgba(0, 198, 255, 0.3) !important;
    border-color: #0072ff !important;
}

.highlight-primary .highlight-icon {
    animation: pulse 2s infinite;
}

.highlight-primary .highlight-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 60px;
    /* 确保文本区域有足够高度 */
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

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

.highlight-text h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.highlight-text p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* 成功案例样式 */
.success-cases {
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.08) 0%, rgba(0, 114, 255, 0.08) 100%);
    border-radius: 12px;
    border-left: 4px solid #00c6ff;
}

.case-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.success-cases h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
}

.delivery-badge {
    background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 0 5px rgba(0, 198, 255, 0.5);
    }

    to {
        box-shadow: 0 0 15px rgba(0, 198, 255, 0.8);
    }
}

.success-cases p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.overview-stats .stat-item {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 15px;
    border: 2px solid #00c6ff;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 198, 255, 0.1);
    position: relative;
    cursor: pointer;
}

.overview-stats .stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 198, 255, 0.2);
}



.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.overview-stats .stat-number {
    display: inline-block;
    font-size: 2rem;
    font-weight: 700;
    color: #00c6ff;
    margin-right: 5px;
}

.stat-unit {
    font-size: 1.5rem;
    font-weight: 600;
    color: #00c6ff;
}

.overview-stats .stat-label {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
    margin-top: 8px;
    display: block;
}

/* 重点突出平均交付统计数据 */
.stat-primary {
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%) !important;
    border: 3px solid #00c6ff !important;
    box-shadow: 0 8px 25px rgba(0, 198, 255, 0.25) !important;
    position: relative;
    overflow: hidden;
}

.stat-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 198, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.stat-primary:hover::before {
    left: 100%;
}

.stat-primary:hover {
    transform: translateY(-8px) !important;
    box-shadow: 0 15px 40px rgba(0, 198, 255, 0.35) !important;
    border-color: #0072ff !important;
}

.stat-primary .stat-icon {
    animation: bounce 2s infinite;
}

.stat-primary .stat-number {
    color: #0072ff !important;
    font-weight: 800 !important;
}

.stat-primary .stat-unit {
    color: #0072ff !important;
    font-weight: 700 !important;
}

.stat-primary .stat-label {
    color: #0072ff !important;
    font-weight: 600 !important;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-5px);
    }

    60% {
        transform: translateY(-3px);
    }
}

/* 服务优势 */
.service-advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #333333;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-item {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    /* 弹性布局优化 */
    display: flex;
    flex-direction: column;
    min-height: 280px;
    min-width: 275px;
    max-width: 100%;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    box-shadow: 0 20px 40px rgba(0, 198, 255, 0.2);
    border-color: #00c6ff;
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.advantage-item h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
    /* 弹性布局优化 */
    min-height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 文本截断 */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    /* 弹性布局优化 */
    min-height: 4.8rem;
    /* 文本截断 */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    line-clamp: 4;
    -webkit-box-orient: vertical;
}

/* 语言类控制 */
html[lang="en"] .advantage-item h3 {
    font-size: 1.3rem;
    min-height: 2.6rem;
    -webkit-line-clamp: 6;
    line-clamp: 6;
}

html[lang="en"] .advantage-item p {
    font-size: 0.9rem;
    min-height: 5.6rem;
    -webkit-line-clamp: 6;
    line-clamp: 6;
}

/* 标注类型 */
.annotation-types {
    padding: 80px 0;
    background: #ffffff;
    color: #333333;
}

.annotation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.annotation-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    /* 弹性布局优化 */
    display: flex;
    flex-direction: column;
    min-height: 300px;
    min-width: 300px;
    max-width: 100%;
}

.annotation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    transition: transform 0.3s ease;
}

.annotation-card:hover {
    box-shadow: 0 20px 40px rgba(0, 198, 255, 0.2);
    border-color: #00c6ff;
}

.annotation-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.annotation-icon-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.annotation-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
    /* 弹性布局优化 */
    min-height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 文本截断 */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.annotation-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
    text-align: left;
}

.annotation-card ul li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 25px;
    font-size: 0.95rem;
}

.annotation-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00c6ff;
    font-weight: bold;
    font-size: 1.1rem;
}

.annotation-card p {
    color: #888;
    font-size: 0.95rem;
    line-height: 1.6;
    /* font-style: italic; */
    flex-grow: 1;
    /* 弹性布局优化 */
    min-height: 3.8rem;
    /* 文本截断 */
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}

/* 应用领域 */
.application-areas {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.area-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    /* 弹性布局优化 */
    display: flex;
    flex-direction: column;
    min-height: 320px;
    min-width: 300px;
    max-width: 100%;
}

.area-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.05), rgba(0, 114, 255, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.area-card:hover::after {
    opacity: 1;
}

.area-card:hover {
    box-shadow: 0 20px 40px rgba(0, 198, 255, 0.2);
    border-color: #00c6ff;
}

.area-icon {
    margin-bottom: 20px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.area-icon-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.area-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 600;
}

.area-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: center;
}

.area-card ul {
    list-style: none;
    padding: 0;
}

.area-card ul li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
    font-size: 0.95rem;
}

.area-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #00c6ff;
    font-weight: bold;
}

/* 服务优势 */
.service-advantages {
    padding: 80px 0;
}

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

.advantage-item {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 198, 255, 0.2);
    border-color: #00c6ff;
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.advantage-item h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

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

/* 合作流程 */
.cooperation-process {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin-top: 50px;
}

.process-step {
    background: white;
    padding: 40px 4px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    border-radius: 50%;
    opacity: 0.1;
    transition: opacity 0.3s ease;
}

.process-step:hover::before {
    opacity: 0.3;
}

.process-step:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 198, 255, 0.2);
    border-color: #00c6ff;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
    text-align: center;
    /* 添加文本居中对齐 */
    line-height: 1;
    /* 确保文字垂直居中 */
    flex-shrink: 0;
    /* 防止在flex容器中收缩 */
}

.process-step h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.process-step p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
    /* 添加字体大小 */
}

/* 联系我们区域 */
.contact-section {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 30px;
    font-weight: 600;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px 0;
}

.contact-icon {
    font-size: 1.5rem;
    margin-right: 15px;
    width: 40px;
    text-align: center;
    color: #00c6ff;
}

.contact-item span:last-child {
    color: #666;
    font-size: 1.1rem;
}

.contact-action h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.contact-action p {
    color: #666;
    margin-bottom: 30px;
}

/* 重复的表单样式定义 - 已注释，避免与主表单样式冲突 */
/*
.contact-form {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00c6ff;
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 50px;
}
*/

/* 响应式设计 */
@media (max-width: 992px) {

    /* 侧边栏响应式调整 */
    .sidebar-nav {
        width: 280px;
        right: -280px;
    }

    .sidebar-toggle {
        right: 15px;
        padding: 10px;
    }

    .sidebar-toggle svg {
        width: 20px;
        height: 20px;
    }

    .page-title h1 {
        font-size: 2.5rem;
    }

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

    .contact-wrapper {
        flex-direction: column;
        gap: 40px;
    }

    .contact-detail {
        padding: 15px;
        margin-bottom: 20px;
    }

    .contact-icon {
        width: 45px;
        height: 45px;
        margin-right: 15px;
        min-width: 45px;
    }

    .contact-icon-img {
        width: 22px;
        height: 22px;
    }

    .contact-text h4 {
        font-size: 1rem;
    }

    .contact-text p {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {

    /* 侧边栏移动端优化 */
    .sidebar-nav {
        width: 100%;
        right: -100%;
    }

    .sidebar-toggle {
        right: 10px;
        padding: 8px;
        background: rgba(0, 198, 255, 0.9);
    }

    .sidebar-toggle svg {
        width: 18px;
        height: 18px;
    }

    .sidebar-header {
        padding: 15px;
    }

    .sidebar-header h3 {
        font-size: 1.1rem;
    }

    .sidebar-link {
        padding: 12px 15px;
    }

    .sidebar-icon {
        font-size: 1.1rem;
        width: 20px;
    }

    .sidebar-text {
        font-size: 0.95rem;
    }

    .page-hero {
        height: 90vh;
        min-height: 500px;
    }

    .page-title h1 {
        font-size: 2.2rem;
        /* 与主页面移动端保持一致 */
        margin-bottom: 35px;
        /* 与主页面移动端保持一致 */
    }

    .page-title p {
        font-size: 1.1rem;
        margin-bottom: 35px;
        /* 与主页面移动端保持一致 */
        text-indent: 0;
        /* 移动端也取消段落文字缩进 */
        text-align: center;
        /* 与主页面移动端保持一致居中对齐 */
    }

    .page-title .annotation-aligned {
        text-align: center;
        /* 移动端也保持居中对齐 */
    }

    .annotation-grid,
    .areas-grid,
    .advantages-grid,
    .process-steps {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

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

    .advantage-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    .service-highlights {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .highlight-item {
        padding: 15px;
    }

    .highlight-primary {
        min-height: 100px;
        padding: 20px 20px !important;
    }

    .highlight-primary .highlight-text {
        min-height: 50px;
    }

    .highlight-icon {
        font-size: 1.8rem;
    }

    .success-cases {
        padding: 20px;
    }

    .case-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .delivery-badge {
        font-size: 0.8rem;
        padding: 5px 10px;
    }

    .overview-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .overview-stats .stat-item {
        padding: 25px 15px;
    }

    .stat-icon {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    .overview-stats .stat-number {
        font-size: 2rem;
    }

    .stat-unit {
        font-size: 1.2rem;
    }

    .overview-stats .stat-label {
        font-size: 1rem;
    }

    .contact-detail {
        padding: 12px;
        margin-bottom: 15px;
    }

    .contact-icon {
        width: 40px;
        height: 40px;
        margin-right: 12px;
        min-width: 40px;
    }

    .contact-icon-img {
        width: 20px;
        height: 20px;
    }

    .contact-text h4 {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    .contact-text p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

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

    .page-title .btn {
        padding: 14px 28px;
        /* 与主页面移动端保持一致 */
        font-size: 1rem;
        border-radius: 40px;
        /* 与主页面移动端保持一致 */
    }
}

@media (max-width: 480px) {

    /* 侧边栏小屏幕优化 */
    .sidebar-toggle {
        right: 8px;
        padding: 6px;
    }

    .sidebar-toggle svg {
        width: 16px;
        height: 16px;
    }

    .sidebar-header {
        padding: 12px;
    }

    .sidebar-header h3 {
        font-size: 1rem;
    }

    .sidebar-link {
        padding: 10px 12px;
    }

    .sidebar-icon {
        font-size: 1rem;
        width: 18px;
    }

    .sidebar-text {
        font-size: 0.9rem;
    }

    .page-title h1 {
        font-size: 1.8rem;
    }

    .page-title .btn {
        padding: 12px 24px;
        /* 与主页面小屏幕保持一致 */
        font-size: 0.95rem;
        border-radius: 35px;
        /* 与主页面小屏幕保持一致 */
    }

    .service-highlights {
        gap: 15px;
    }

    .highlight-item {
        padding: 12px;
    }

    .highlight-primary {
        min-height: 90px;
        padding: 15px 15px !important;
    }

    .highlight-primary .highlight-text {
        min-height: 45px;
    }

    .highlight-icon {
        font-size: 1.5rem;
    }

    .highlight-text h4 {
        font-size: 1rem;
    }

    .highlight-text p {
        font-size: 0.9rem;
    }

    .success-cases {
        padding: 15px;
    }

    .case-header {
        gap: 8px;
    }

    .success-cases h4 {
        font-size: 1.1rem;
    }

    .delivery-badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }

    .success-cases p {
        font-size: 0.95rem;
    }

    .overview-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .overview-stats .stat-item {
        padding: 20px 15px;
    }

    .stat-icon {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }

    .overview-stats .stat-number {
        font-size: 1.8rem;
    }

    .stat-unit {
        font-size: 1rem;
    }

    .overview-stats .stat-label {
        font-size: 0.9rem;
    }

    .annotation-grid,
    .areas-grid,
    .advantages-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }

    .annotation-card,
    .area-card,
    .advantage-item,
    .process-step {
        padding: 30px 20px;
    }

    .advantage-icon {
        font-size: 2rem;
        margin-bottom: 12px;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
    }

    .contact-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }
}

/* ========================================
   侧边栏导航样式
   ======================================== */

/* 侧边栏导航 */
.sidebar-nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-left: 2px solid var(--border-accent);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.sidebar-nav.active {
    right: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-primary);
    background: rgba(0, 198, 255, 0.1);
}

.sidebar-header h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.sidebar-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.sidebar-close:hover {
    background: rgba(0, 198, 255, 0.1);
    color: var(--accent-color);
}

.sidebar-menu {
    padding: 20px 0;
}

.sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-item {
    margin: 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background: rgba(0, 198, 255, 0.1);
    color: var(--text-primary);
    border-left-color: var(--accent-color);
}

.sidebar-link.active {
    background: rgba(0, 198, 255, 0.15);
    color: var(--accent-color);
    border-left-color: var(--accent-color);
}

.sidebar-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.sidebar-text {
    font-size: 1rem;
    font-weight: 500;
}

.sidebar-divider {
    padding: 15px 20px 5px;
}

.divider-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-contact {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.1) 0%, rgba(0, 114, 255, 0.1) 100%);
    margin: 5px 10px;
    border-radius: 8px;
    border: 1px solid rgba(0, 198, 255, 0.2);
}

.sidebar-contact:hover {
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.2) 0%, rgba(0, 114, 255, 0.2) 100%);
    transform: translateX(-5px);
}

/* 侧边栏切换按钮 */
.sidebar-toggle {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border: none;
    color: white;
    padding: 12px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 198, 255, 0.3);
    z-index: 999;
    transition: all 0.3s ease;
}

.sidebar-toggle:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 198, 255, 0.4);
}

.sidebar-toggle:active {
    transform: translateY(-50%) scale(0.95);
}

/* 遮罩层 */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   子页面增强样式
   ======================================== */

/* 子页面整体背景色调整 - 与主页保持一致 */
body.subpage {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    transition: background-color 0.5s ease, color 0.5s ease;
    min-height: 100vh !important;
    /* 确保最小高度 */
    display: flex !important;
    /* 使用flex布局 */
    flex-direction: column !important;
    /* 垂直排列 */
}

/* 子页面内容区域平滑过渡 */
body.subpage * {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* 确保main元素正确扩展 */
body.subpage main {
    flex: 1 !important;
    /* 占据剩余空间 */
    display: flex !important;
    flex-direction: column !important;
}

/* 子页面加载动画 */
body.subpage {
    animation: subpageFadeIn 0.6s ease-out;
}

@keyframes subpageFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 子页面内容区域渐入动画 */
body.subpage .page-hero,
body.subpage .service-overview,
body.subpage .annotation-types,
body.subpage .application-areas,
body.subpage .service-advantages,
body.subpage .cooperation-process,
body.subpage .contact-section {
    animation: contentSlideIn 0.8s ease-out;
}

@keyframes contentSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}



/* 子页面：统一 service-overview 背景与主站深色风格，并修正文字颜色 */
body.subpage .service-overview {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    box-shadow: var(--shadow-md) !important;
}

/* 子页面：其余模块统一深色基调 */
body.subpage .annotation-types,
body.subpage .application-areas,
body.subpage .service-advantages,
body.subpage .cooperation-process,
body.subpage .contact-section {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    box-shadow: var(--shadow-md) !important;
}

/* 子页面：卡片使用与主页一致的正式风格 */
body.subpage .annotation-card,
body.subpage .area-card,
body.subpage .advantage-item,
body.subpage .process-step {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    box-shadow: var(--shadow-lg) !important;
}

body.subpage .annotation-card:hover,
body.subpage .area-card:hover,
body.subpage .advantage-item:hover {
    transform: translateY(-5px) !important;
    box-shadow: var(--shadow-xl) !important;
    border-color: var(--border-accent) !important;
}

/* 子页面流程步骤取消悬浮动画 */
body.subpage .process-step {
    transition: none !important;
    transform: none !important;
}

body.subpage .process-step::before {
    transition: none !important;
}

body.subpage .process-step:hover::before {
    opacity: 0.1 !important;
    /* 保持原始透明度，不变化 */
}

/* 完全取消悬浮效果 */
body.subpage .process-step:hover {
    transform: none !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
    border-color: transparent !important;
}

/* 子页面流程步骤取消所有选中动画 */
body.subpage .process-step:focus,
body.subpage .process-step:focus-visible,
body.subpage .process-step:active,
body.subpage .process-step:focus-within,
body.subpage .process-step:visited,
body.subpage .process-step:target,
body.subpage .process-step[tabindex]:focus {
    transform: none !important;
    box-shadow: var(--shadow-lg) !important;
    border-color: transparent !important;
    outline: none !important;
}

body.subpage .process-step:focus::before,
body.subpage .process-step:focus-visible::before,
body.subpage .process-step:active::before,
body.subpage .process-step:focus-within::before,
body.subpage .process-step:visited::before,
body.subpage .process-step:target::before,
body.subpage .process-step[tabindex]:focus::before {
    opacity: 0.1 !important;
}

/* body.subpage .process-step:hover {
    transform: translateY(-5px) !important;
    box-shadow: var(--shadow-xl) !important;
    border-color: var(--border-accent) !important;
} */

/* 子页面：卡片内标题与文本颜色与主页保持一致 */
body.subpage .annotation-card h3,
body.subpage .area-card h3,
body.subpage .advantage-item h3 {
    color: var(--text-primary) !important;
    font-weight: 600;
    transition: color 0.3s ease;
}

/* 子页面流程步骤标题取消过渡动画 */
body.subpage .process-step h3 {
    color: var(--text-primary) !important;
    font-weight: 600;
    transition: none !important;
}

/* 子页面：主标题样式与主页保持一致 */
body.subpage .section-title h2 {
    color: var(--text-primary) !important;
    font-weight: 700;
    transition: color 0.3s ease;
}

body.subpage .section-title p {
    color: var(--text-secondary) !important;
    font-weight: 400;
    transition: color 0.3s ease;
}

/* 子页面：服务概览标题与主页保持一致 */
body.subpage .service-overview h1 {
    color: var(--text-primary) !important;
    font-weight: 700;
    transition: color 0.3s ease;
}

body.subpage .service-overview h2 {
    color: var(--text-primary) !important;
    font-weight: 600;
    transition: color 0.3s ease;
}

/* 子页面：page-hero 区域与主页保持一致 */
body.subpage .page-hero {
    box-shadow: var(--shadow-lg) !important;
}



body.subpage .page-title .btn {
    background: var(--primary-color) !important;
    border-color: var(--border-accent) !important;
    color: white !important;
}

body.subpage .page-title .btn:hover {
    background: var(--primary-dark) !important;
    border-color: var(--accent-color) !important;
    transform: translateY(-2px) !important;
}

/* 子页面滚动条样式与主页保持一致 */
body.subpage::-webkit-scrollbar {
    width: 8px;
}

body.subpage::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

body.subpage::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

body.subpage::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* WCAG合规性增强 */
body.subpage .btn:focus,
body.subpage .breadcrumb-link:focus {
    outline: 2px solid var(--accent-color) !important;
    outline-offset: 2px !important;
}

/* 子页面导航链接焦点样式与主页保持一致 */
body.subpage .nav-link:focus {
    outline: none !important;
    outline-offset: 0 !important;
}

body.subpage .form-group input:focus,
body.subpage .form-group textarea:focus {
    outline: 2px solid var(--accent-color) !important;
    outline-offset: 2px !important;
}

/* 子页面链接样式与主页保持一致 */
body.subpage a {
    text-decoration: none;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

body.subpage a:hover {
    color: var(--accent-color);
}

body.subpage .annotation-card p,
body.subpage .area-card p,
body.subpage .advantage-item p,
body.subpage .process-step p {
    color: var(--text-secondary) !important;
    font-size: 0.8rem !important;
    /* 子页面字体稍大 */
    line-height: 1.7 !important;
    /* 子页面行高稍大 */
}

body.subpage .area-card ul li,
body.subpage .annotation-card ul li {
    color: var(--text-secondary) !important;
}

/* 子页面：图标与标记与主页保持一致 */
body.subpage .annotation-icon,
body.subpage .area-icon,
body.subpage .contact-icon {
    color: var(--accent-color) !important;
}

body.subpage .annotation-card ul li::before,
body.subpage .area-card ul li::before {
    color: var(--accent-color) !important;
}

/* 子页面：联系区表单与标签与主页保持一致 */
body.subpage .contact-section .form-group label {
    color: var(--text-primary) !important;
    font-weight: 500;
}

body.subpage .contact-section .form-group input,
body.subpage .contact-section .form-group textarea {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-primary) !important;
}

body.subpage .contact-section .form-group input:focus,
body.subpage .contact-section .form-group textarea:focus {
    border-color: var(--border-accent) !important;
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2) !important;
}

/* 面包屑导航 */
.breadcrumb {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    margin-bottom: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

/* 子页面面包屑导航与主页保持一致 */
body.subpage .breadcrumb {
    background: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-primary) !important;
    backdrop-filter: blur(15px) !important;
}

body.subpage .breadcrumb-content {
    color: var(--text-secondary) !important;
}

body.subpage .breadcrumb-link {
    color: var(--text-secondary) !important;
}

body.subpage .breadcrumb-link:hover {
    color: var(--accent-color) !important;
}

body.subpage .breadcrumb-current {
    color: var(--text-primary) !important;
}



.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb-item:not(:last-child)::after {
    content: '>';
    color: rgba(255, 255, 255, 0.5);
    margin-left: 10px;
}

.breadcrumb-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: white;
}

.breadcrumb-current {
    color: white;
    font-weight: 500;
}

/* 页面进度条 */
.page-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(0, 198, 255, 0.2);
    z-index: 1000;
}

.page-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.page-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* 页面内容动画 */
.page-content {
    animation: fadeInUp 0.8s ease-out;
}

.section-animate {
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.section-animate.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 卡片悬停效果增强 */
.enhanced-card {
    position: relative;
    overflow: hidden;
}

.enhanced-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.1), rgba(0, 114, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.enhanced-card:hover::before {
    opacity: 1;
}

.enhanced-card>* {
    position: relative;
    z-index: 2;
}

/* 图标动画 */
.animated-icon {
    transition: all 0.3s ease;
}

/* 数字计数动画 */
.counting-number {
    /* display: inline-block; */
    transition: all 0.3s ease;
}

/* 分隔线美化 - 点状装饰分割 */
.section-divider {
    height: 1px;
    background: transparent;
    margin: 3rem 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-divider::before {
    content: '• • •';
    color: rgba(0, 198, 255, 0.4);
    font-size: 1.2rem;
    letter-spacing: 0.5rem;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    line-height: 1;
}

/* 返回顶部按钮样式优化 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 5px 15px rgba(0, 198, 255, 0.3);
}

/* 区块高亮效果 - 用于导航跳转时的视觉反馈 */
section[id] {
    transition: box-shadow 0.3s ease;
}

section[id]:hover {
    box-shadow: 0 0 30px rgba(0, 198, 255, 0.1);
}

/* 平滑滚动效果 */
html {
    scroll-behavior: smooth;
}

/* 导航链接激活状态增强 */
.nav-link.active {
    position: relative;
    color: #00c6ff !important;
    font-weight: 600;
}

/* 导航链接下划线 - 仅桌面端显示（使用JavaScript设备检测） */
.device-desktop .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    border-radius: 1px;
    animation: navIndicator 0.3s ease;
}

/* 移动端和平板端禁用下划线 */
.device-mobile .nav-link.active::after,
.device-tablet .nav-link.active::after {
    display: none !important;
}

/* 移动端和平板端禁用logo链接的下划线 */
.device-mobile .logo-text.active::after,
.device-tablet .logo-text.active::after,
.device-mobile .logo-text::after,
.device-tablet .logo-text::after {
    display: none !important;
}

@keyframes navIndicator {
    from {
        width: 0;
        opacity: 0;
    }

    to {
        width: 20px;
        opacity: 1;
    }
}

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

.back-to-top:hover {
    box-shadow: 0 10px 25px rgba(0, 198, 255, 0.5);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* 页面加载状态 */
.page-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: all 0.5s ease;
}

.page-loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 198, 255, 0.3);
    border-top: 3px solid #00c6ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* 页面切换动画 */
.page-transition {
    animation: pageSlideIn 0.5s ease-out;
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 响应式增强 */
@media (max-width: 768px) {
    .breadcrumb {
        padding: 10px 0;
    }

    .breadcrumb-content {
        font-size: 0.8rem;
        flex-wrap: wrap;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .section-divider {
        margin: 2rem 0;
    }

    .section-divider::before {
        font-size: 1rem;
        letter-spacing: 0.3rem;
    }

    .annotation-icon-img {
        width: 60px;
        height: 60px;
    }

    /* Footer 移动端响应式样式 */
    .footer {
        padding: 30px 0 15px;
        min-height: auto;
    }

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

    .footer-section {
        min-width: auto;
        width: 100%;
    }

    .footer-section h4 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .footer-links li {
        margin-bottom: 5px;
    }

    .social-links {
        justify-content: center;
        gap: 20px;
    }

    .footer-bottom {
        padding-top: 15px;
        font-size: 0.8rem;
        text-align: center;
    }

    .footer-bottom p {
        text-align: center !important;
        text-indent: 0 !important;
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .breadcrumb-content {
        font-size: 0.75rem;
    }

    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }

    .back-to-top svg {
        width: 18px;
        height: 18px;
    }

    .footer-bottom {
        text-align: center;
        font-size: 0.75rem;
    }

    .footer-bottom p {
        text-align: center !important;
        text-indent: 0 !important;
        margin-bottom: 0;
    }
}

/* ========================================
   取消人才培养列表项悬停动画
   ======================================== */

/* 取消专业课程设计与实践教学等列表项的悬停动画 - 使用更高优先级 */
.careers-content .careers-text ul li:hover,
.careers-content .careers-text ol li:hover {
    color: #e0e0e0 !important;
    transform: none !important;
    transition: none !important;
    padding-left: 25px !important;
}

.careers-content .careers-text ul li:hover::before,
.careers-content .careers-text ol li:hover::before {
    color: #00c6ff !important;
    transform: none !important;
    transition: none !important;
}

/* 确保没有其他悬停效果 */
.careers-content .careers-text li:hover * {
    transform: none !important;
    transition: none !important;
}

/* ========================================
   合作案例导航控件样式
   ======================================== */

/* 案例导航容器 */
.cases-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    position: relative;
    z-index: 10;
}

/* 导航按钮 */
.case-nav-btn {
    width: 48px;
    height: 48px;
    border: 2px solid rgba(0, 198, 255, 0.3);
    background: rgba(0, 198, 255, 0.1);
    border-radius: 50%;
    color: #00c6ff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    opacity: 1;
}

.case-nav-btn:active {
    transform: scale(0.95);
}

.case-nav-btn:disabled {
    opacity: 0.3;
    cursor: pointer;
    transform: none;
    background: rgba(0, 198, 255, 0.05);
    border-color: rgba(0, 198, 255, 0.1);
}

.case-nav-btn:not(:disabled) {
    opacity: 1;
    background: rgba(0, 198, 255, 0.1);
    border-color: rgba(0, 198, 255, 0.3);
}

.case-nav-btn:not(:disabled):hover {
    background: rgba(0, 198, 255, 0.2);
    border-color: rgba(0, 198, 255, 0.6);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 198, 255, 0.3);
}

/* 指示器容器 */
.case-indicators {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* 指示器点 */
.case-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.case-indicator:hover {
    background: rgba(0, 198, 255, 0.4);
    transform: scale(1.2);
}

.case-indicator.active {
    background: #00c6ff;
    box-shadow: 0 0 10px rgba(0, 198, 255, 0.5);
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .cases-navigation {
        gap: 20px;
        margin-top: 30px;
    }

    .case-nav-btn {
        width: 40px;
        height: 40px;
    }

    .case-indicators {
        gap: 8px;
    }

    .case-indicator {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .cases-navigation {
        gap: 15px;
        margin-top: 25px;
    }

    .case-nav-btn {
        width: 36px;
        height: 36px;
    }

    .case-indicators {
        gap: 6px;
    }

    .case-indicator {
        width: 8px;
        height: 8px;
    }
}

/* 流程步骤段落文字响应式调整 */
@media (max-width: 768px) {
    .process-step p {
        font-size: 0.95rem;
        /* 平板字体稍小 */
        line-height: 1.5;
    }

    body.subpage .process-step p {
        font-size: 1rem !important;
        /* 子页面平板字体 */
        line-height: 1.6 !important;
    }
}

@media (max-width: 480px) {
    .process-step p {
        font-size: 0.9rem;
        /* 手机字体更小 */
        line-height: 1.4;
    }

    body.subpage .process-step p {
        font-size: 0.95rem !important;
        /* 子页面手机字体 */
        line-height: 1.5 !important;
    }
}

/* 高亮项图标图片样式 */
.highlight-icon-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 198, 255, 0.2));
    transition: all 0.3s ease;
}

.highlight-item:hover .highlight-icon-img {
    transform: scale(1.1);
    filter: drop-shadow(0 4px 8px rgba(0, 198, 255, 0.3));
}

/* 统计项图标图片样式 */
.stat-icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: drop-shadow(0 1px 3px rgba(0, 198, 255, 0.2));
    transition: all 0.3s ease;
}

.stat-item:hover .stat-icon-img {
    transform: scale(1.05);
    filter: drop-shadow(0 2px 6px rgba(0, 198, 255, 0.3));
}

/* 骨架屏样式 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* 优化客户logo显示 */
.client-logo {
    width: 90px;
    height: 90px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-secondary);
    overflow: hidden;
    position: relative;
    /* 提取公共变量 */
    --transition-speed: 0.3s;
    --fallback-opacity: 0;
}

.client-logo::after {
    content: attr(data-fallback);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: bold;
    color: #666;
    text-align: center;
    line-height: 1.2;
    opacity: var(--fallback-opacity);
    transition: opacity var(--transition-speed) ease;
    z-index: 2;
}

.client-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
    transition: all var(--transition-speed) ease;
    position: relative;
    z-index: 1;
}

/* 图片加载失败时添加 error 类，隐藏图片并显示 fallback */
.client-logo img.error {
    display: none;
}

/* 使用 :has() 检测 img 是否隐藏（现代浏览器） */
@supports selector(:has(*)) {
    .client-logo:has(img.error)::after {
        --fallback-opacity: 1;
    }
}

/* 兼容性处理 - 当图片隐藏时显示 fallback（降级方案） */
.client-logo img.error~.client-logo::after,
.client-logo img[style*="display: none"]+.client-logo::after {
    --fallback-opacity: 1;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .client-logos-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .client-logos-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 10px;
    }
}

.client-name {
    font-size: 14px;
}

.client-type {
    font-size: 11px;
}


/* ========================================
   统一客户logo样式 - 确保所有图片显示大小一致
   ======================================== */
.client-logo {
    width: 160px !important;
    height: 80px !important;
    background: white !important;
    border-radius: 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 15px !important;
    transition: all var(--transition-speed, 0.3s) ease !important;
    box-shadow: var(--shadow-md) !important;
    border: 1px solid var(--border-secondary) !important;
    overflow: hidden !important;
    position: relative !important;
    /* 强制统一尺寸，防止其他样式覆盖 */
    min-width: 160px !important;
    min-height: 80px !important;
    max-width: 160px !important;
    max-height: 80px !important;
}

.client-logo img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    padding: 10px !important;
    transition: all var(--transition-speed, 0.3s) ease !important;
    position: relative !important;
    z-index: 1 !important;
    /* 强制图片尺寸，防止原始图片尺寸影响显示 */
    max-width: 100% !important;
    max-height: 100% !important;
    min-width: 0 !important;
    min-height: 0 !important;
    /* 确保图片不会超出容器 */
    box-sizing: border-box !important;
}

/* 响应式设计 - 保持比例一致 */
@media (max-width: 768px) {
    .client-logo {
        width: 120px !important;
        height: 60px !important;
        min-width: 120px !important;
        min-height: 60px !important;
        max-width: 120px !important;
        max-height: 60px !important;
    }

    .client-logo img {
        padding: 8px !important;
    }
}

@media (max-width: 480px) {
    .client-logo {
        width: 100px !important;
        height: 50px !important;
        min-width: 100px !important;
        min-height: 50px !important;
        max-width: 100px !important;
        max-height: 50px !important;
    }

    .client-logo img {
        padding: 6px !important;
    }
}

/* ========================================
   额外的统一优化规则
   ======================================== */

/* 确保所有client-logo相关的样式都被统一覆盖 */
.client-logo,
.client-logo-item .client-logo,
.client-logos .client-logo {
    /* 强制统一尺寸 */
    width: 160px !important;
    height: 80px !important;
    min-width: 160px !important;
    min-height: 80px !important;
    max-width: 160px !important;
    max-height: 80px !important;
    /* 强制统一样式 */
    background: white !important;
    border-radius: 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 15px !important;
    box-shadow: var(--shadow-md) !important;
    border: 1px solid var(--border-secondary) !important;
    overflow: hidden !important;
    position: relative !important;
}

/* 确保所有图片都统一显示 */
.client-logo img,
.client-logo-item .client-logo img,
.client-logos .client-logo img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    padding: 10px !important;
    max-width: 100% !important;
    max-height: 100% !important;
    min-width: 0 !important;
    min-height: 0 !important;
    box-sizing: border-box !important;
    position: relative !important;
    z-index: 1 !important;
}

/* 响应式统一规则 */
@media (max-width: 768px) {

    .client-logo,
    .client-logo-item .client-logo,
    .client-logos .client-logo {
        width: 120px !important;
        height: 60px !important;
        min-width: 120px !important;
        min-height: 60px !important;
        max-width: 120px !important;
        max-height: 60px !important;
    }

    .client-logo img,
    .client-logo-item .client-logo img,
    .client-logos .client-logo img {
        padding: 8px !important;
    }
}

@media (max-width: 480px) {

    .client-logo,
    .client-logo-item .client-logo,
    .client-logos .client-logo {
        width: 100px !important;
        height: 50px !important;
        min-width: 100px !important;
        min-height: 50px !important;
        max-width: 100px !important;
        max-height: 50px !important;
    }

    .client-logo img,
    .client-logo-item .client-logo img,
    .client-logos .client-logo img {
        padding: 6px !important;
    }
}

/* ========================================
   必填字段星号样式
   ======================================== */

/* 必填星号独立样式类 */
.required-asterisk {
    color: var(--error-color) !important;
    font-weight: bold !important;
    margin-left: 4px;
    font-size: 1.1em;
    vertical-align: top;
    line-height: 1;
    display: inline-block;
    position: relative;
    top: -2px;
}

/* 表单标签中的必填星号样式 */
.form-group label .required-asterisk,
.contact-form .form-group label .required-asterisk {
    color: var(--error-color) !important;
    font-weight: bold !important;
    margin-left: 4px;
    font-size: 1.1em;
    vertical-align: top;
    line-height: 1;
    display: inline-block;
    position: relative;
    top: -2px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .required-asterisk,
    .form-group label .required-asterisk,
    .contact-form .form-group label .required-asterisk {
        font-size: 1em;
        margin-left: 3px;
        top: -1px;
    }
}

/* 保持向后兼容性 - 原有的 .required 样式 */
.required {
    color: var(--error-color) !important;
    font-weight: bold !important;
    margin-left: 4px;
    font-size: 1.1em;
    vertical-align: top;
    line-height: 1;
    display: inline-block;
    position: relative;
    top: -2px;
}