/**
 * 企盟运营咨询官网 - 全局样式表
 * 主色调: #165DFF (主色), #0070F3 (辅助色), #4096FF (辅助色)
 * 风格: 科技感简洁商务风
 * 作者: AI Assistant
 * 更新日期: 2026-02-03
 */

/* ==================== 基础重置与变量定义 ==================== */
:root {
    /* 主色调 */
    --primary-color: #165DFF;
    --primary-hover: #0D4AD9;
    --secondary-color: #0070F3;
    --accent-color: #4096FF;
    
    /* 中性色 */
    --text-primary: white;
    --text-subtitle: #E5E6EB;
    --text-subheading: #1D2129;
    --text-secondary: #4E5969;
    --text-tertiary: #86909C;
    --bg-white: #FFFFFF;
    --bg-black: #030510;
    /* --bg-gray: #F7F8FA; */
    --bg-gray: rgba(17, 24, 39, 1);
    --border-color: #E5E6EB;
    
    /* 阴影 - 更柔和的投影 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 8px 24px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06), 0 16px 48px rgba(0, 0, 0, 0.08);
    --shadow-qr: 0 4px 12px rgba(0, 0, 0, 0.1);
    
    /* 圆角 - 更圆润 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    /* 间距 */
    --section-gap: 80px;
    --content-gap: 24px;
    
    /* 字体 */
    --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;

}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* ==================== 容器与布局 ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-gap) 0;
}

.section-gray {
    background-color: var(--bg-gray);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-subtitle);
    text-align: center;
    margin-bottom: 56px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    opacity: 0.8
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: transparent;
    z-index: 1000;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* 导航栏滚动后添加背景 */
.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

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

.logo-icon {
    width: 260px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
}


.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo-text {
    font-size: 16px;
    font-weight: 600;
    color: white;
}

.nav-link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}
 a.link-to-system {
    background: rgba(22, 93, 255, 0.2);
    color: white;
    border: 1px solid #165DFF;
    padding: 8px 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.link-to-system img{
    width: 20px;
    height: 20px;
}
.nav-link:hover,
.nav-link.active {
    color: white;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--accent-color);
    border-radius: 1px;
}


/* 扫码咨询按钮 */
.qr-btn-wrapper {
    position: relative;
}

.qr-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border: none;
}

.qr-btn-wrapper{
    margin-right:-25px;
}

.qr-btn:hover {
    background-color: var(--primary-hover);
}

.qr-icon {
    width: 16px;
    height: 16px;
}

/* 二维码悬浮层 */
.qr-popup {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    padding: 12px;
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-qr);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
}

.qr-popup::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--bg-white);
}

.qr-btn-wrapper:hover .qr-popup {
    opacity: 1;
    visibility: visible;
}

.qr-image {
    width: 112px;
    height: 112px;
    background-color: var(--bg-gray);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-tertiary);
    overflow: hidden;
}

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

.qr-tip {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* ==================== Hero轮播区 ==================== */
.hero {
    height: 100vh;
    min-height: 700px;
    max-height: 950px;
    position: relative;
    overflow: hidden;
}


.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

/* 轮播图1背景 - 科技感光线 */
.hero-slide:nth-child(1) .hero-slide-bg {
    background-image: url('../images/hero-bg-1.jpg');
}

/* 轮播图2背景 - 图表数据格式 */
.hero-slide:nth-child(2) .hero-slide-bg {
    background-image: url('../images/hero-bg-2.png');
}

/* 背景叠加层 - 增强文字可读性 */
.hero-slide-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.1) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: 64px;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
     /* 原来560px，稍微调宽以适应单列情况下的文字 */
    max-width: 560px;
    /* man-width: 560px; */
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background-color: rgba(22, 93, 255, 0.9);
    color: white;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.3;
    color: white;
    /* margin-bottom: 20px; */
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hero-subtitle1 {
    font-size: 26px;
    margin-bottom: 20px;
}
.hero-subtitle {
    font-size: 16px;
    line-height: 1.8;
    color: white;
    margin-bottom: 32px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: rgba(255,255,255,0.15);
    color: white;
    border: 1px solid rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background-color: #0D4AD9;
    border-color: #0D4AD9;
    color: white;
}

/* Hero视频模块 */
.hero-video {
    position: relative;
}

.video-card {
    position: relative;
    background: linear-gradient(135deg, #1a2744 0%, #0c4aa5 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(64, 150, 255, 0.2);
}

.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(22, 93, 255, 0.25);
    border-color: rgba(64, 150, 255, 0.4);
}

.video-cover {
    position: relative;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.video-play-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--primary-color);
    margin-left: 4px;
}

.video-info {
    padding: 20px 24px;
}

.video-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 6px;
}

.video-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* 轮播指示器 */
.hero-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(22, 93, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.hero-dot.active {
    background-color: var(--primary-color);
    width: 28px;
    border-radius: 5px;
}

/* 轮播左右箭头 */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background-color: #1d2129;
    border: 1px solid #1d2129;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    backdrop-filter: blur(4px);
}

.hero-arrow:hover {
    background-color: #0d4ad9;
    border-color: #0d4ad9;
}

.hero-arrow svg {
    width: 24px;
    height: 24px;
    fill: white;
}

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

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

/* ==================== 核心优势 ==================== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-card {
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    background: radial-gradient(rgba(19, 52, 138, 0.90), rgba(23, 28, 57, 0.43) 100%);
}


.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.1), rgba(0, 112, 243, 0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon svg {
    width: 32px;
    height: 32px;
    fill: var(--primary-color);
}

.advantage-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    line-height: 1;
}

.advantage-number span {
    font-size: 18px;
    font-weight: 500;
}

.advantage-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--bg-white);
    margin-bottom: 10px;
    opacity: 0.8;
}

.advantage-desc {
    font-size: 14px;
    color: var(--bg-white);
    opacity: 0.8;
    line-height: 1.7;
}

/* ==================== 六维一体体系 ==================== */
.liuweiyiti {
    /* 核心：开启Flex布局 */
    display: flex !important;
    /* 水平居中 */
    justify-content: center;
    /* 垂直居中（可选，不需要可删除） */
    align-items: center;
    /* 可选：给容器设置高度（根据你的页面需求调整，比如图片原高/自定义高度） */
    height: auto; /* auto为自适应图片高度，也可设固定值如300px */
    /* 可选：清除容器默认间距（避免影响居中） */
    margin: 0;
    padding: 0;
}
/* 可选：图片自适应容器宽度（防止图片超出容器） */
.liuweiyiti img {
    max-width: 60%;
    height: 80%;
}

/* ==================== 产品服务 ==================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.products-grid-2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    background-color: var(--bg-white);
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    position: relative;
    overflow: hidden;
    min-height: 320px;
}
/* 产品1：背景图+白色半透明+居中+不重复 */
.product-master {
    background: rgba(255, 255, 255, 1) url('../images/product-bg-1.png') center center / contain repeat;
}
/* 产品2：仅替换背景图路径，其余属性与产品1一致 */
.product-consult {
    background: rgba(255, 255, 255, 1) url('../images/product-bg-2.jpg') center center / contain repeat;
}
.product-card:hover {
    box-shadow: var(--shadow-md);
}

.product-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
}

.product-card-front {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 2;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-card-front {
    transform: translateY(-100%);
}

.product-card-front .product-name {
    font-size: 28px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.product-card-front .product-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.product-card-hover {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 36px;
    background: var(--bg-white);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 3;
    background: radial-gradient(rgb(7 28 81 / 90%), rgb(72 75 94 / 43%) 100%);
}

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

.product-hover-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.product-hover-desc {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
    opacity: 0.8;
    /* color: var(--text-secondary); */
}

.product-qr-btn-wrapper {
    position: relative;
    display: inline-block;
}

.product-qr-btn {
    padding: 12px 24px;
    font-size: 14px;
    background-color: var(--primary-color);
    color: white;
}

.product-qr-btn:hover {
    background-color: var(--primary-hover);
}

.product-qr-popup {
    position: absolute;
    top: calc(100% - 12px);
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    padding: 12px;
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-qr);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.product-qr-popup::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--bg-white);
}

/* 上方显示时的样式 */
.product-qr-popup[data-position="top"] {
    top: auto;
    bottom: calc(100% + 12px);
}

.product-qr-popup[data-position="top"]::before {
    top: auto;
    bottom: -6px;
    border-bottom: none;
    border-top: 6px solid var(--bg-white);
}

.product-qr-btn-wrapper:hover .product-qr-popup {
    opacity: 1;
    visibility: visible;
}

.product-qr-popup .qr-image {
    width: 116px;
    height: 116px;
    background-color: var(--bg-gray);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    overflow: hidden;
}

.product-qr-popup .qr-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-qr-popup .qr-tip {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.product-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.product-icon svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.product-name {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.product-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-feature {
    padding: 6px 12px;
    background-color: var(--bg-gray);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}




/* ==================== 成功案例 ==================== */
.cases-category-row {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
}

.cases-category-row:last-child {
    margin-bottom: 0;
}

/* 左侧分类标签 */
.case-category-label {
    width: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 三角形箭头 */
.case-category-arrow {
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 20px solid #165DFF;
    flex-shrink: 0;
    align-self: center;
}

.category-label-inner {
    background: linear-gradient(135deg, #165DFF, #4096FF);
    color: white;
    padding: 20px 12px;
    border-radius: 8px;
    text-align: center;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}

.category-label-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 4px;
}

.category-label-subtitle {
    font-size: 12px;
    opacity: 0.9;
    margin-top: 8px;
}

/* 右侧案例卡片 */
.cases-row {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(97,107,173,0.20);
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.case-title-bar {
    background: linear-gradient(135deg, var(--primary-color), #0b0e10);
    padding: 12px 20px;
}

.case-store {
    font-size: 18px;
    font-weight: 600;
    color: white;
}

.case-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(97,107,173,0.20);
}

.case-duration,
.case-customers {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.case-divider {
    color: var(--text-tertiary);
}

.case-chart-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    padding: 12px 20px 0;
    text-align: center;
}

.case-chart {
    padding: 8px 20px 16px;
    height: 160px;
}

.case-metrics {
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.case-metric {
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-metric-label {
    font-size: 14px;
    color: var(--text-primary);
    opacity: 0.8;
}

.case-metric-value {
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 600;
}

/* 响应式 */
@media (max-width: 768px) {
    .cases-category-row {
        flex-direction: column;
        gap: 16px;
    }
    
    .case-category-label {
        width: 100%;
    }
    
    .case-category-arrow {
        display: none;
    }
    
    .category-label-inner {
        writing-mode: horizontal-tb;
        padding: 12px 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    
    .category-label-title {
        font-size: 16px;
        letter-spacing: 2px;
    }
    
    .category-label-subtitle {
        font-size: 12px;
        margin-top: 0;
    }
    
    .cases-row {
        grid-template-columns: 1fr;
    }
}

/* ==================== 关于企盟 ==================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    max-width: 520px;
}

.about-mission {
    margin-bottom: 32px;
}

.about-label {
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.about-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 16px;
}

.about-desc {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.8;
    opacity: 0.8;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.about-value {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.about-value-icon {
    width: 36px;
    height: 36px;
    background: rgba(22, 93, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.about-value-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--primary-color);
}

.about-value-text h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.about-value-text p {
    font-size: 13px;
    color: var(--text-tertiary);
    line-height: 1.5;
}

.about-image {
    position: relative;
}

.about-image-main {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.about-stats-float {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 24px 32px;
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: 40px;
}

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

.about-stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.about-stat-value span {
    font-size: 18px;
}

.about-stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* ==================== Footer ==================== */
.footer {
    background-color: #0a1628;
    color: white;
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.footer-logo-text {
    font-size: 16px;
    font-weight: 600;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-contact-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.footer-contact-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-qr {
    width: 100px;
    height: 100px;
    background-color: white;
    border-radius: var(--radius-sm);
    padding: 8px;
    margin-top: 8px;
}

.footer-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-icp {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* ==================== 视频弹窗 ==================== */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 960px;
    aspect-ratio: 16/9;
    background-color: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.video-modal-close {
    position: absolute;
    top: -48px;
    right: 0;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border: none;
}

.video-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.video-modal-close svg {
    width: 20px;
    height: 20px;
    fill: white;
}

.video-modal-player {
    width: 100%;
    height: 100%;
    border: none;
}

/* ==================== 内页通用样式 ==================== */
.page-header {
    position: relative;
    padding: 120px 0 60px;
    text-align: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.4);
}
.page-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto;
}




/* 产品服务页 */
.product-section {
    padding: 60px 0;
}

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

.product-overview-image {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.product-overview-text h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.product-overview-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.product-modules {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* 四大模块改为横向 */
.product-module-card {
    background: linear-gradient(135deg, #0a1628 0%, #1a2744 100%);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid rgba(64, 150, 255, 0.2);
}

.product-module-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 16px 40px rgba(22, 93, 255, 0.25);
    border-color: rgba(64, 150, 255, 0.5);
}

/* 笔记本屏幕 */
.laptop-screen {
    margin-bottom: 20px;
}

.laptop-frame {
    background: #1a1a2e;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.laptop-header {
    background: #2d2d44;
    padding: 8px 12px;
    display: flex;
    align-items: center;
}

.laptop-dots {
    display: flex;
    gap: 6px;
}

.laptop-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.laptop-dots span:nth-child(1) { background: #ff5f57; }
.laptop-dots span:nth-child(2) { background: #ffbd2e; }
.laptop-dots span:nth-child(3) { background: #28ca41; }

.laptop-content {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.laptop-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.laptop-base {
    height: 12px;
    background: linear-gradient(180deg, #3d3d5c 0%, #2d2d44 100%);
    border-radius: 0 0 4px 4px;
    position: relative;
}

.laptop-base::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 4px;
    background: linear-gradient(180deg, #4d4d6c 0%, #3d3d5c 100%);
    border-radius: 0 0 8px 8px;
}

.product-module-title {
    font-size: 18px;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
    text-align: center;
}

.product-module-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* 咨询服务内容*/
/* ==================== 产品模块网格布局（2行2列） ==================== */
.product-modules-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.product-module-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.product-module-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

/* 左侧文字区域 - 深蓝色背景 */
.module-info {
    background: linear-gradient(135deg, #0a1628 0%, #1a2744 100%);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.module-info-title {
    font-size: 22px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.module-info-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
}

/* 右侧图片区域 */
.module-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg-gray);
}

.module-preview img {
    width: 85%;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.5s ease;
}

.product-module-item:hover .module-preview img {
    transform: scale(1.05);
}

/* 响应式 */
@media (max-width: 992px) {
    .product-modules-grid {
        grid-template-columns: 1fr;
    }
    
    .product-module-item {
        grid-template-columns: 1fr;
    }
    
    .module-info {
        padding: 24px;
    }
    
    .module-info-title {
        font-size: 20px;
    }
}

/* 咨询服务 - 轮播样式 */
.consult-carousel {
    display: flex;
    gap: 0;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    min-height: 480px;
}

/* 左侧标签列表 */
.consult-tabs {
    width: 280px;
    background-color: #f8f9fa;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 0;
}

.consult-tab {
    padding: 16px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    position: relative;
}

.consult-tab:hover {
    background-color: rgba(22, 93, 255, 0.05);
}

.consult-tab.active {
    background-color: var(--bg-white);
    border-left-color: var(--primary-color);
}

.consult-tab.active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: var(--bg-white);
}

.consult-tab-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.consult-tab.active .consult-tab-title {
    color: var(--primary-color);
    font-weight: 600;
}

/* 右侧内容区域 */
.consult-content {
    flex: 1;
    padding: 40px 48px;
    position: relative;
}

.consult-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.consult-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.consult-panel-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.consult-panel-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.consult-panel-icon svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.consult-panel-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.consult-panel-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 600px;
}

.consult-panel-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.consult-panel-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-primary);
    padding: 12px 16px;
    background-color: var(--bg-gray);
    border-radius: var(--radius-md);
}

.consult-panel-feature svg {
    width: 18px;
    height: 18px;
    fill: var(--primary-color);
    flex-shrink: 0;
}

.consult-panel-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.consult-panel-link:hover {
    gap: 12px;
}

.consult-panel-link svg {
    width: 20px;
    height: 20px;
    fill: var(--primary-color);
}
/* 响应式样式 */
@media (max-width: 1024px) {
     .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background-color: #212f4b;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        align-items: center; /* 使菜单项居中 */
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        font-size: 16px;
        padding: 8px 0;
    }


    .consult-carousel {
        flex-direction: column;
        min-height: auto;
    }

    .consult-tabs {
        width: 100%;
        flex-direction: row;
        padding: 16px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        overflow-x: auto;
        gap: 8px;
    }

    .consult-tab {
        padding: 12px 20px;
        border-left: none;
        border-bottom: 3px solid transparent;
        white-space: nowrap;
    }

    .consult-tab.active {
        border-left-color: transparent;
        border-bottom-color: var(--primary-color);
    }

    .consult-tab.active::after {
        display: none;
    }

    .consult-content {
        padding: 32px 24px;
    }

    .consult-panel-features {
        grid-template-columns: 1fr;
    }
}
/* 数字化工具 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tool-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.tool-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.tool-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.1), rgba(0, 112, 243, 0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tool-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--primary-color);
}

.tool-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.tool-content p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 解决方案页 */
.solution-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}


.solution-tab.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}



.solution-tab {
    padding: 12px 32px;
    background: linear-gradient(135deg, #1a2744 0%, #0a1628 100%);
    border: 1px solid rgba(64, 150, 255, 0.3);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.3s ease;
}

.solution-tab:hover {
    border-color: rgba(64, 150, 255, 0.6);
    color: white;
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.2);
}

.solution-tab.active {
    background: linear-gradient(135deg, #165DFF 0%, #4096FF 100%);
    border-color: #165DFF;
    color: white;
    box-shadow: 0 4px 16px rgba(22, 93, 255, 0.3);
}

.solution-content {
    display: none;
}

.solution-content.active {
    display: block;
}

.solution-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.solution-card {
    background: linear-gradient(135deg, #1a2744 0%, #0a1628 100%);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(64, 150, 255, 0.15);
}

.solution-card:hover {
    transform: translateY(-5px); /* 向上浮5px */
  border-color: #4080FF; /* 高亮蓝 */
  box-shadow: 0 0 15px rgba(64, 128, 255, 0.4); /* 霓虹外发光 */
}
.solution-card::after{
    content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #165DFF, transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.solution-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(64, 150, 255, 0.2);
}

.solution-card-icon {
    width: 56px;
    height: 56px;
    background: rgba(22, 93, 255, 0.15);
    border: 1px solid rgba(64, 150, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.solution-card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.solution-card-desc {
    color: var(--text-primary);
    line-height: 1.7;
    opacity: 0.7;
}



/* 关于我们页 */
/* 关于我们页面头部 - 带背景图 */
.about-page-header {
    position: relative;
    overflow: hidden;
    background: none;
}

.page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.page-header-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;  /* 自适应屏幕大小 */
    object-position: center;
    display: block; /* 消除图片默认的行内空白间隙（可选但推荐） */
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0);  /* 半透明遮罩 */
    z-index: 1;
}

.about-page-header .container {
    position: relative;
    z-index: 2;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.team-avatar {
    aspect-ratio: 1;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-info {
    padding: 20px;
    text-align: center;
}

.team-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.team-role {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.team-desc {
    font-size: 13px;
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* 联系我们 */
.contact-section {
    background-color: var(--bg-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-form {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

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

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-primary);
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-info-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}

.contact-info-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-subheading);
    margin-bottom: 16px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.contact-info-item:last-child {
    margin-bottom: 0;
}

.contact-info-icon {
    width: 20px;
    height: 20px;
    fill: var(--primary-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-info-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.contact-info-text img {
    width: 100px;
    height: 100px;
    background-color: white;
    border-radius: var(--radius-sm);
    padding: 8px;
    margin-top: 8px;
}
.contact-map {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

.contact-cooperation img{
    display: block;
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.04);
    box-shadow: inset 0 2px 18px rgba(0,0,0,0.35), 0 10px 30px rgba(0,0,0,0.5);
    object-fit: cover;
    opacity: 0.98;
}
/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .advantages-grid,
    .products-grid,
    .product-modules,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid,
    .consult-services,
    .tools-grid,
    .solution-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background-color: #212f4b;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        align-items: center; /* 使菜单项居中 */
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        font-size: 16px;
        padding: 8px 0;
    }
   
    .hero {
        height: auto;
        min-height: auto;
        max-height: none;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        justify-items: center; /* 子元素水平居中 */
    max-width: 90%; /* 防止文本在单列时过于窄小 */
    margin: 0 auto; /* 居中整个网格 */
        text-align: center;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-video {
        order: -1;
        display: none; 
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .advantages-grid,
    .products-grid,
    .product-modules,
    .cases-grid,
    .consult-services,
    .tools-grid,
    .solution-cards,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats-float {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: 20px;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .solution-tabs {
        flex-wrap: wrap;
    }
    
    .solution-tab {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .product-overview {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .section {
        padding: 48px 0;
    }
    
    .hero-title {
        font-size: 24px;
    }
    .hero-subtitle1{
        font-size: 18px;
    }
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .advantage-number {
        font-size: 28px;
    }
}

/* ==================== 动画效果 ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* 滚动显示动画 */
.scroll-reveal {
    opacity: 0;
    transition: all 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .hero-slide {
        position: relative;
        height: auto;
        min-height: 500px;  /* 固定最小高度 */
        padding: 0;
        display: none;
    }

    .hero-slide.active {
        display: flex;      /* 使用flex布局 */
        align-items: center;
    }

    .hero-slide-bg {
        position: absolute; /* 绝对定位与内容叠加 */
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-size: cover;
        background-position: center center;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        width: 100%;
        padding: 20px 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero-text {
        max-width: 100%;
        text-align: center;
        position: relative;
        z-index: 3;
        padding: 0 16px;
    }

    .hero-video {
        max-width: 320px;   /* 显示视频卡片 */
        margin: 0 auto;
        display: none;
    }

    .hero-dots {
        bottom: 15px;
    }
}