:root {
    --primary: #0068ee;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
}
body {
    font-family: sans-serif;
    background-color: #f4f6fb;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* 首页 标题区域 */
.section-head {
    text-align: center;
    margin-bottom: 50px;
}
.section-head h2 {
    font-size: 40px;
    font-weight: 700;
    color: #222;
    margin-bottom: 2px;
}
.section-head p {
    font-size: 24px;
    color: #000000;
}

/* 顶部导航 */
header {
    background-color: var(--primary);
    color: #ffffff;
    font-size: 18px;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
}
.logo-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo-text-big {
    font-size: 32px;
    font-weight: bold;
}
.logo-text-small {
    font-size: 14px;
}
/* 导航菜单 */
nav {
    display: flex;
    align-items: center;
    gap: 40px;
    font-size: 18px;
    position: relative;
}
nav a {
    color: #fff;
    text-decoration: none;
}
nav a:hover {
    opacity: 0.8;
}
.dropdown-group > a {
    padding: 12px 0;
    display: inline-block;
    border-bottom: 2px solid var(--primary);
}
.dropdown-group > a:hover {
    border-bottom: 2px solid #fff;
}
.nav-active {
    border-bottom: 2px solid #fff;
}
/* 下拉菜单容器 */
.dropdown-group {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    left: 50%;
    top: 97%;
    transform: translateX(-50%);
    width: 850px;
    background-color: #fff;
    color: #333;
    padding: 24px;
    border-radius: 2px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    z-index: 999;
    display: none;
}
.dropdown-group:hover .dropdown-menu {
    display: block;
}
.dropdown-title {
    font-size: 16px;
    font-weight: 700;
    color: #444;
    padding-bottom: 8px;
    margin-bottom: 16px;
    border-bottom: 1px solid #ddd;
}
.dropdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    column-gap: 24px;
    row-gap: 16px;
}
.dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
}
.dropdown-item:hover {
    color: var(--primary);
}
.dropdown-item i {
    color: var(--primary);
    margin-top: 4px;
}
.item-name {
    font-size: 16px;
    font-weight: 500;
}
.item-desc {
    font-size: 14px;
    color: #666;
}


.dropdown-group-title {
    font-size:17px;
    color:#222;
    font-weight:600;
    margin-bottom:14px;
}
.row-three {
    display:grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap:16px;
    margin-bottom: 15px;
}
.row-four {
    display:grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap:16px;
    margin-bottom: 15px;
}
.menu-item-card {
    padding:8px 6px;
    cursor:pointer;
}
.menu-title-line img {
    width: 16px;
}
.menu-title-line {
    display:flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    color:#111;
    margin-bottom:6px;
}
.hot-tag {
    font-size:12px;
    color:#ff0000;
    background: #feecec;
    padding:0 4px;
    border-radius:2px;
}
.menu-desc {
    font-size:12px;
    color:#666666;
    padding-left:24px;
}
.divider-line {
    border-bottom:1px solid #eeeeee;
    margin-bottom: 10px;
}

/* 导航电话 */
.tel-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
}


/* 底部 */
footer {
    background-color: #172038;
    color: #c2c8d9;
}
.footer-wrap {
    margin: 0 auto;
    padding: 60px 0;
    display: flex;
    gap: 120px;
    justify-content: space-between;
}
.footer-col h3 {
    font-size: 20px;
    color: #ffffff;
    margin-bottom: 24px;
    font-weight: 700;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 16px;
    font-size: 16px;
}
.footer-col ul li a {
    font-size: 16px;
    color: #c2c8d9;
    text-decoration: none;
}
.footer-col ul li a:hover {
    color: #fff;
}
.qrcode-box {
    text-align: center;
}
.qrcode {
    width: 140px;
    background: #c6d6ff;
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}
.copyright {
    padding: 30px 0;
    border-top: 1px solid #2c354f;
    text-align: center;
    font-size: 16px;
}


/* 提交表单 */
.mobile-banner-cta {
    display: none;
}
.banner-cta {
    width: 100%;
    background-color: #1677ff;
    background-image: radial-gradient(ellipse at center, #2284ff 0%, #1677ff 100%);
    padding: 60px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: url(../images/img-banner-cta.png) no-repeat center center;
    background-size: cover;
}

.banner-cta .section-head h2 {
    color: #ffffff;
    font-size: 34px;
}
.container {
    margin: 0 auto;
    position: relative;
}


.form-row {
    display: flex;
    gap: 30px;
    justify-content: center;
    align-items: center;
}
.form-row input {
    width: 250px;
    height: 48px;
    background: rgba(255,255,255,0.12);
    border: 2px solid rgba(255,255,255,0.35);
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    padding: 0 24px;
}
.form-row input::placeholder {
    color: rgba(255,255,255,0.7);
}
.form-row input:focus {
    outline: none;
    border-color: rgba(255,255,255,0.7);
}
.submit-btns {
    width: 250px;
    height: 48px;
    background: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    color: #1677ff;
    font-weight: bold;
    cursor: pointer;
}
.submit-btns:hover {
    opacity: 0.92;
}


.section-title {
    text-align: center;
    margin-bottom: 48px;
}


/* 内页标题 */
.title-main {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    color: #222;
    margin-bottom: 16px;
}
.title-main br {
    display: none;
}
.title-sub {
    text-align: center;
    font-size: 24px;
    color: #444;
    margin-bottom: 32px;
}

/* 内页 banner */
.banner-wrap {
    width: 100%;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.container {
    margin: 0 auto;
    height: 100%;
    position: relative;
}
.banner-text-box {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
}
.banner-title {
    font-size: 60px;
    color: #111111;
    font-weight: bold;
    margin-bottom: 20px;
}
.banner-desc {
    font-size: 18px;
    color: #555555;
    margin-bottom: 40px;
}
.banner-desc br {
    display: none;
}
.banner-btn {
    display: inline-block;
    padding: 10px 40px;
    background: linear-gradient(90deg, #1668eb, #6366f1);
    color: #ffffff;
    font-size: 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.banner-btn:hover {
    opacity: 0.85;
}

/* 内页 全套 AI 客服营销工具 */
.ai-tool-wrap {
    width: 100%;
    background-color: #f4f6fc;
    padding: 60px 0;
}
.container {
    width: 1200px;
    margin: 0 auto;
}

.tool-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.tool-card {
    background: #ffffff;
    padding: 36px 28px;
    border-radius: 8px;
    transition: all 0.3s ease;
	min-height: 291px;
}
.tool-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(22,119,255,0.15);
}
.card-title {
    display: flex;
    align-items: center;
    gap:12px;
    font-size: 24px;
    color: #111111;
    font-weight: 600;
    margin-bottom:20px;
}
.card-sub {
    font-size: 18px;
    color:#222;
    font-weight:600;
    margin-bottom:12px;
}
.card-desc {
    font-size:16px;
    color:#555;
    line-height:1.7;
    margin-bottom:28px;
}
.btn-group {
    display:none;
    gap:20px;
}
.tool-card:hover .btn-group {
    display:flex;
}
.tool-card .btn-blue-solid {
    padding:8px 26px;
    background:#1677ff;
    color:#fff;
    border:none;
    border-radius:4px;
    font-size:14px;
    cursor:pointer;
}
.btn-blue-outline {
    padding:8px 26px;
    background:#fff;
    color:#1677ff;
    border:1px solid #1677ff;
    border-radius:4px;
    font-size:14px;
    cursor:pointer;
}
/* 图标占位，实际项目替换svg */
.icon-placeholder {
    width:44px;
}



/* 右侧悬浮容器，固定在页面右侧 */
.float-sidebar {
  position: fixed;
  right: 0;
  top: 40%;
  transform: translateY(-50%);
  z-index: 999;
  background: #fff;
}
/* 整体竖面板容器 */
.sidebar-wrap {
  width: 110px;
  background: #ffffff;
  border-radius: 999px 999px 60px 60px;
  box-shadow: 0 3px 12px rgba(0,0,0,0.08);
  overflow: hidden;
}
/* 每个选项项 */
.sidebar-item {
  position: relative;
  padding: 24px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.sidebar-item1 .btn-sales {
  text-align: center;
  font-size: 14px;
  color: #555555;
}
.sidebar-item:first-child{
  border-bottom:1px solid #eeeeee;
}
.sidebar-item:nth-last-child(1) {
	border-top:1px solid #eeeeee;
}
/* 图标大小 */
.sidebar-item img.icon {
  width: 20px;
  height: auto;
  margin-bottom: 12px;
}
/* 文字样式 */
.sidebar-item .btn-sales {
  font-size: 14px;
  color: #555555;
}
.sidebar-item1 {
	text-align: center;
    padding: 0;
}
.sidebar-item1 img.icon {
    margin: 0 auto;
    width: 100%;
}
.sidebar-item1 img.iconyd {
	display: none;
}
/* 气泡弹窗 */
.tip-popup {
  position: absolute;
  right: calc(100% + 16px);
  top: 50%;
  transform: translateY(-50%);
  background: #ffffff;
  padding: 18px 24px;
  border-radius: 12px;
  box-shadow: 0 0 14px rgba(0,0,0,0.12);
  white-space: nowrap;
  font-size: 18px;
  color: #444;
  opacity: 0;
  visibility: hidden;
  transition: all 0.24s ease;
}
.tip-popup::after {
  content: "";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 10px 0 10px 12px;
  border-style: solid;
  border-color: transparent transparent transparent #fff;
}
.sidebar-item:hover .tip-popup {
  opacity: 1;
  visibility: visible;
}
.tip-popup.qrcode-box{
  padding:12px;
}
.tip-popup.qrcode-box img{
  width:150px;
  display:block;
}

/* ========== 可拖拽客服弹窗 ========== */
.chat-modal {
  display: none;
  position: fixed;
  width: 500px;
  height: 680px;
  background:#fff;
  border-radius:14px;
  box-shadow: 0 6px 30px rgba(0,0,0,0.18);
  z-index:1000;
  overflow:hidden;
  /* 初始居中 */
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
/* 拖拽头部 */
.chat-modal-header{
  height:50px;
  background:#407bff;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  cursor:move;
  user-select:none;
}
.chat-modal-header .close-btn{
  background:none;
  border:none;
  color:#fff;
  font-size:22px;
  cursor:pointer;
  padding:0 8px;
  z-index: 99;
}
.chat-modal iframe{
  width:100%;
  height:calc(100% - 50px);
  border:none;
  display:block;
}

.mobile-header {
    display: none;
}

/* 手机端 767px及以下 */
@media (max-width: 767px) {
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html,body {
      width: 100%;
    }
    
    .w1200 {
        width: 100%;
    }
    .section-head {
        text-align: center;
        margin-bottom: 4vw;
    }
    .section-head h2 {
        font-size: 5.26vw;
        line-height: 1.4em;
    }
    .section-head p {
        font-size: 3.73vw;
    }
    .section-title {
        margin-bottom: 4vw;
    }

    /* 侧边栏及弹窗 */
    .chat-modal {
        width: 100%;
        height: 100%;
        border-radius: 0;
        left: 0;
        top: 0;
        transform: none;
        box-shadow: none;
    }
    .chat-modal-header {
        cursor: default; /* 移动端取消拖拽手势 */
    }
	.sidebar-item1 img.iconpc {
		display: none;
	}
    .sidebar-item1 img.iconyd {
		display: block;
	}
    .sidebar-item img.icon {
        margin-bottom: 1.6vw;
        margin-right: 0;
    }
    .sidebar-item  {
        padding: 3.2vw 1.6vw;
    }

    /* 菜单 */
    .header-inner {
        display: none !important;
    }

    header {
        background-color: none;
    }
    .mobile-header {
        display: block;
    }
    .tab-panel {
		display: none; /* 默认隐藏 */
    }
    .tab-panel.active {
        display: block; /* 激活显示 */
    }
    /* 顶部蓝色header */
    .top-header{
        height:72px;
        background-color:#166ede;
        display:flex;
        align-items:center;
        justify-content:space-between;
        padding:0 16px;
        color:#fff;
    }
    .logo-wrap {
        gap: 0;
    }
    .logo-wrap img {
        width: 70%;
    }
    
    .hamburger-btn {
        background: transparent;
        border: none;
        color: white;
        font-size: 28px;
        cursor: pointer;
    }
    /* 侧边菜单容器 */
    .side-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100%;
        background: #ffffff;
        z-index: 100;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }

    .side-menu.open {
        transform: translateX(0);
    }

    /* 菜单 核心容器 */
    .tab-container {
        display: flex;
        width: 100%;
    }

    /* 左侧导航区 */
    .menu-tab-nav {
        width: 130px;
        background-color: #fafbfc;
        border-right: 1px solid #e8e8e8;
        display: flex;
        flex-direction: column;
    }

    .tab-item {
        padding: 16px 20px;
        font-size: 4vw;
        font-weight: 700;
        color: #333333;
        cursor: pointer;
        position: relative;
        transition: all 0.2 ease;
        user-select: none;
    }

    /* 左侧导航悬停态 */
    .tab-item:hover {
        background-color: #f5f7fa;
    }

    /* 左侧导航选中态 */
    .tab-item.active {
        background-color: #f0f4ff;
        color: #3b6cff;
    }

    /* 左侧导航选中蓝色竖线 */
    .tab-item.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background-color: #3b6cff;
    }

    /* 右侧内容区 */
    .tab-content-wrapper {
        flex: 1;
        background-color: #ffffff;
        padding: 24px;
        overflow-y: auto;
    }

    /* 内容面板（默认隐藏） */
    .tab-pane {
        display: none;
        animation: fadeIn 0.3s ease;
    }

    /* 当前激活的面板 */
    .tab-pane.active {
        display: block;
    }

    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(5px); }
        to { opacity: 1; transform: translateY(0); }
    }

    /* 右侧菜单分类标题 */
    .category-title {
        font-size: 4vw;
        font-weight: 600;
        margin: 3.2vw 0 2.13vw 0;
        color: #222;
    }
    .category-title:first-child {
        margin-top: 0;
    }

    /* 右侧菜单列表 */
    .menu-list {
        list-style: none;
    }

    .menu-item {
        display: flex;
        align-items: center;
        padding: 10px 0;
        font-size: 3.49vw;
        font-weight: 700;
        color: #666666;
        cursor: pointer;
        transition: color 0.2;
        border-bottom: solid 1px #e6e6e6;
    }

    .menu-item:hover {
        color: #3b6cff;
    }

    /* 图片图标容器 */
    .icon {
        width: 18px;
        height: 18px;
        margin-right: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0; /* 防止图片被挤压 */
    }
    
    /* 图片图标样式调整 */
    .icon img {
        width: 100%;
        height: 100%;
        object-fit: contain; /* 保证图片不变形 */
        display: block;
    }

    /* HOT 标签 */
    .tag-hot {
        font-size: 12px;
        color: #ff4d4f;
        margin-left: 8px;
        font-weight: bold;
        transform: scale(0.9); 
    }

    /* 提交表单 */
    .banner-cta {
        display: none;
    }
    .mobile-banner-cta {
        display: block;
        background: url(../images/img-banner-cta.png) no-repeat center center;
        background-size: cover;
        padding: 8vw 4vw;
        box-sizing: border-box;
    }
    .mobile-banner-cta .section-head h2 {
        color: #ffffff;
    }
    .mobile-banner-cta-button {
        text-align: center;
    }
    .mobile-banner-cta-button a {
        display: inline-block;
        background: #ffffff;
        border-radius: 999px; /* 大圆角胶囊按钮 */
        border: none;
        font-size: 3.73vw;
        color: #0066dd;
        font-weight: bold;
        cursor: pointer;
        padding: 2vw 13.3vw;
    }

    /* 底部 */
    .footer-wrap {
        margin: 0 auto;
        padding: 6vw 6vw;
        display: flex;
        gap: 2vw;
    }
    .footer-col:nth-child(1) {
        display: none;
    }
    .footer-col:nth-child(2) {
        display: none;
    }

    .footer-col h3 {
        font-size: 4vw;
        color: #ffffff;
        margin-bottom: 3.2vw;
        font-weight: 700;
    }
    .footer-col ul li {
        margin-bottom: 2vw;
        font-size: 2.66vw;
    }
    .qrcode {
        width: 80px;
        margin-bottom: 1.6vw
    }
    .qrcode-box p {
        font-size: 2.66vw;
    }

    .copyright {
        padding: 4vw 2vw;
        border-top: 1px solid #2c354f;
        text-align: center;
        font-size: 2.13vw;
    }


    /* 内页banner */
    .banner-text-box {
        width: 100%;
        text-align: center;
        top: 30%;
    }
    .banner-title {
        font-size: 9.33vw;
        color: #111111;
        font-weight: bold;
        margin-bottom: 3.66vw;
    }
    .banner-desc {
        font-size: 3.73vw;
        margin-bottom: 3.73vw;
    }
    .banner-desc br {
        display: block;
    }
    .banner-btn {
        display: inline-block;
        padding: 2.66vw 6.26vw;
        background: linear-gradient(90deg, #1668eb, #6366f1);
        color: #ffffff;
        font-size: 3.46vw;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    .banner-btn:hover {
        opacity: 1;
    }

    .title-main {
        font-size: 5.33vw;
        font-weight: bold;
        color: #222;
        margin-bottom: 2.13vw;
    }
    .title-main br {
        display: block;
    }
    .title-sub {
        font-size: 3.2vw;
        color: #444;
        margin-bottom: 8vw;
    }

    /* 全套 AI 客服营销工具 */
    .ai-tool-wrap {
        width: 100%;
        background-color: #f4f6fc;
        padding: 8vw 4vw;
        box-sizing: border-box;
    }
    .tool-section {
        padding: 4vw 2.66vw;
    }
    .tool-list {
        gap: 2vw;
    }
    .ai-tool-wrap .tool-card {
        padding: 2.66vw;
		min-height: auto;
    }
    .ai-tool-wrap .card-icon-title {
        gap: 1.33vw;
        margin-bottom: 2.66vw;
    }
    .ai-tool-wrap .icon-placeholder {
        width: 3.46vw;
    }
    .ai-tool-wrap .card-title {
        font-size: 3.46vw;
        margin: 0;
        gap: 1.66vw;
    }
    .ai-tool-wrap .card-sub {
        font-size: 2.66vw;
        color: #222;
        font-weight: 600;
        margin-bottom: 1.6vw;
    }
    .ai-tool-wrap .card-subtitle {
        font-size: 2.66vw;
        margin-bottom: 1.6vw;
    }
    .ai-tool-wrap .card-desc {
        font-size: 2.4vw;
        line-height: 1.8;
        margin-bottom: 0;
    }
    .ai-tool-wrap .card-wrap .tool-card  {
        margin-bottom: 20px;
    }
}