/* ========== 通用样式 ========== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: #333;
        }
        
        /* 通用按钮样式 */
        .common-btn {
            background: linear-gradient(90deg, #0056b3, #0077ff);
            color: #fff;
            padding: 10px 26px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 3px 10px rgba(0, 86, 179, 0.3);
            display: inline-block;
            border: none;
            cursor: pointer;
        }
        
        .common-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 86, 179, 0.4);
        }
        
        /* 通用弹窗样式 */
        .modal {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            backdrop-filter: blur(6px);
            z-index: 9999;
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.3s ease;
        }
        
        .modal-content {
            background: #fff;
            padding: 40px 30px 30px;
            border-radius: 14px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.2);
            max-width: 360px;
            width: 90%;
            text-align: center;
            position: relative;
            animation: scaleIn 0.35s ease forwards;
        }
        
        .modal-close {
            position: absolute;
            top: 10px;
            right: 16px;
            font-size: 24px;
            color: #888;
            background: none;
            border: none;
            cursor: pointer;
            transition: color 0.2s ease;
            line-height: 1;
        }
        
        .modal-close:hover {
            color: #0056b3;
        }
        
        .modal h3 {
            margin-bottom: 10px;
            font-size: 22px;
            color: #0a2540;
        }
        
        .modal p {
            color: #555;
            font-size: 15px;
            margin-bottom: 18px;
            line-height: 1.6;
        }
        
        .wechat-box img {
            width: 160px;
            height: 160px;
            border-radius: 10px;
            margin-bottom: 12px;
            box-shadow: 0 5px 18px rgba(0, 0, 0, 0.15);
        }
        
        .wechat-id {
            font-size: 15px;
            color: #333;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes scaleIn {
            from { transform: scale(0.9); opacity: 0; }
            to { transform: scale(1); opacity: 1; }
        }
        
        /* ========== 模块1：服务介绍 ========== */
        .mhx4-section {
            background: #ffffff;
            padding: 50px 0;
            overflow: hidden;
        }
        
        .mhx4-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            gap: 50px;
            flex-wrap: nowrap;
        }
        
        /* 左侧卡片 */
        .mhx4-card {
            flex: 1;
            background: #fff;
            padding: 40px 35px;
            border-radius: 14px;
            box-shadow: 0 10px 25px rgba(0, 40, 100, 0.08);
            transition: all 0.35s ease;
        }
        
        .mhx4-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 30px rgba(0, 86, 179, 0.15);
        }
        
        /* 主标题 */
        .mhx4-title {
            font-size: 30px;
            font-weight: 800;
            color: #0a2540;
            display: flex;
            align-items: center;
            margin-bottom: 8px;
        }
        
        .mhx4-line {
            display: inline-block;
            width: 5px;
            height: 26px;
            border-radius: 3px;
            margin-right: 12px;
            background: linear-gradient(180deg, #007bff, #00c6ff);
            flex-shrink: 0;
        }
        
        /* 英文副标题 */
        .mhx4-subtitle {
            font-size: 14px;
            font-weight: 500;
            color: #6c8cbf;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        
        /* 正文描述 */
        .mhx4-desc {
            font-size: 16px;
            color: #333;
            line-height: 1.8;
            text-align: justify;
            max-width: 520px;
        }
        
        /* 右侧图片区域 */
        .mhx4-media {
            flex: 1;
            position: relative;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
            min-height: 260px;
        }
        
        .mhx4-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            filter: brightness(1.08);
        }
        
        /* 半透明渐变遮罩 */
        .mhx4-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom right, rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.45));
            pointer-events: none;
        }
        
        /* 右下角角标（中文 + 发光效果） */
        .mhx4-badge {
            position: absolute;
            bottom: 15px;
            right: 15px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 8px 14px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
            transition: all 0.3s ease;
        }
        
        .mhx4-badge:hover {
            box-shadow: 0 0 14px rgba(0, 150, 255, 0.9);
            background: rgba(0, 123, 255, 0.25);
            border-color: rgba(0, 123, 255, 0.4);
        }
        
        /* ========== 模块2：服务亮点 ========== */
        .mhx5-section {
            background: #f6f8fb;
            padding: 50px 0;
        }
        
        .mhx5-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .mhx5-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        
        .mhx5-title {
            font-size: 32px;
            font-weight: 800;
            color: #0a2540;
            margin-bottom: 6px;
        }
        
        .mhx5-subtitle {
            font-size: 14px;
            color: #6c8cbf;
            letter-spacing: 1.2px;
            font-weight: 500;
            text-transform: uppercase;
        }
        
        /* 卡片布局 */
        .mhx5-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 25px;
        }
        
        .mhx5-item {
            background: #fff;
            padding: 35px 25px 30px;
            border-radius: 14px;
            text-align: center;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
            transition: all 0.35s ease;
            border-top: 4px solid transparent;
        }
        
        .mhx5-item:hover {
            transform: translateY(-6px);
            border-top: 4px solid #0077ff;
            box-shadow: 0 12px 28px rgba(0, 86, 179, 0.15);
        }
        
        .mhx5-item h3 {
            font-size: 20px;
            color: #0a2540;
            font-weight: 800;
            margin: 14px 0 10px;
        }
        
        .mhx5-item p {
            font-size: 15px;
            color: #555;
            line-height: 1.7;
        }
        
        /* 图标 */
        .mhx5-icon {
            width: 50px;
            height: 50px;
            margin: 0 auto;
            background: rgba(0,119,255,0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .mhx5-icon svg {
            width: 26px;
            height: 26px;
            transition: all 0.3s ease;
        }
        
        .mhx5-item:hover .mhx5-icon {
            background: rgba(0,119,255,0.15);
            box-shadow: 0 0 10px rgba(0,119,255,0.25);
        }
        
        .mhx5-item:hover .mhx5-icon svg {
            transform: scale(1.1);
        }
        
        /* ========== 模块3：应用场景 ========== */
        .mhx7-section {
            background: #ffffff;
            padding: 50px 0;
        }
        
        .mhx7-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        /* 标题行 */
        .mhx7-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 40px;
        }
        
        .mhx7-title {
            font-size: 32px;
            font-weight: 800;
            color: #0a2540;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        
        .mhx7-subtitle {
            font-size: 15px;
            color: #6e7b91;
            line-height: 1.6;
            letter-spacing: 0.3px;
            margin: 0;
        }
        
        /* 卡片区 */
        .mhx7-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        
        .mhx7-card {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
            overflow: hidden;
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            text-align: left;
        }
        
        .mhx7-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 35px rgba(0,0,0,0.1);
        }
        
        .mhx7-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        
        .mhx7-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #0a2540;
            margin: 18px 20px 6px;
        }
        
        .mhx7-card p {
            font-size: 14px;
            color: #333;
            line-height: 1.6;
            margin: 0 20px 20px;
            flex-grow: 1;
        }
        
        /* ========== 模块4：全球网络部署架构 ========== */
        .mhx4-arch-section {
            background: linear-gradient(to bottom,#f6f9ff 0%,#eef3fa 100%);
            padding: 50px 5px;
        }
        
        .mhx4-arch-head {
            max-width: 950px;
            margin: 0 auto 35px;
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .mhx4-arch-head-text {
            display: flex;
            flex-direction: column;
        }
        
        .mhx4-arch-title {
            font-size: 28px;
            font-weight: 800;
            color: #0a2540;
            margin-bottom: 5px;
        }
        
        .mhx4-arch-subtitle {
            font-size: 15px;
            color: #5d7ca3;
            font-weight: 500;
            letter-spacing: 0.3px;
            margin-bottom: 6px;
        }
        
        /* .mhx4-arch-subline {
            width: 90px;
            height: 3px;
            background: linear-gradient(90deg, #0077ff, #00aaff);
            border-radius: 3px;
        } */
        
        .mhx4-arch-top {
            display: flex;
            justify-content: center;
            margin-bottom: 18px;
        }
        
        .mhx4-arch-center {
            display: flex;
            justify-content: center;
            align-items: flex-start;
            gap: 60px;
            flex-wrap: wrap;
        }
        
        .mhx4-arch-branch {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        
        .mhx4-arch-card {
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,.05);
            text-align: center;
            padding: 16px 12px;
            width: 200px;
            min-height: 120px;
            transition: .3s;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .mhx4-arch-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0,86,179,.15);
        }
        
        .mhx4-arch-row {
            display: flex;
            justify-content: center;
            align-items: stretch;
            gap: 8px;
            margin-top: 8px;
        }
        
        .mhx4-arch-icon {
            margin-bottom: 6px;
        }
        
        .mhx4-arch-card h3, .mhx4-arch-card h4 {
            color: #0a2540;
            margin-bottom: 4px;
            font-size: 15px;
        }
        
        .mhx4-arch-card p {
            color: #555;
            font-size: 12px;
            line-height: 1.4;
            margin-bottom: 0;
        }
        
        .mhx4-arch-line {
            width: 2px;
            height: 14px;
            border-left: 2px dashed #0077ff;
            margin: 4px 0;
        }
        
        .mhx4-arch-line.short {
            height: 10px;
        }
        
        .mhx4-arch-divider {
            width: 2px;
            background: linear-gradient(#0077ff, #00aaff);
            min-height: 320px;
            opacity: .3;
        }
        
        /* ========== 模块5：服务流程 ========== */
        .mhx5-flow-section {
            background: #fff;
            text-align: center;
            padding: 50px 5px;
        }
        
        .mhx5-flow-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .mhx5-flow-head-text {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 40px;
        }
        
        .mhx5-flow-title {
            font-size: 30px;
            font-weight: 800;
            color: #0a2540;
            margin-bottom: 6px;
        }
        
        .mhx5-flow-subtitle {
            font-size: 15px;
            color: #5d7ca3;
            font-weight: 500;
            letter-spacing: 0.3px;
            margin-bottom: 6px;
        }
        
        .mhx5-flow-subline {
            width: 90px;
            height: 3px;
            background: linear-gradient(90deg, #0077ff, #00aaff);
            border-radius: 3px;
        }
        
        .mhx5-flow {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 60px;
            margin-bottom: 30px;
        }
        
        .mhx5-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            opacity: 0;
            transform: translateY(20px);
            animation: mhx5-fadeIn 0.8s ease forwards;
            animation-delay: calc(var(--i) * 0.3s);
        }
        
        @keyframes mhx5-fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .mhx5-step-icon {
            width: 80px;
            height: 80px;
            background: #fff;
            border: 2px solid #e3e8f0;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: .3s;
            box-shadow: 0 4px 12px rgba(0,86,179,.06);
        }
        
        .mhx5-step:hover .mhx5-step-icon {
            background: #eaf3ff;
            border-color: #0077ff;
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(0,86,179,.15);
        }
        
        .mhx5-step:hover svg path, .mhx5-step:hover svg rect, .mhx5-step:hover svg circle {
            stroke: #0077ff;
        }
        
        .mhx5-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            transform: translateY(-5px);
            opacity: .8;
        }
        
        .mhx5-step-label {
            font-size: 15px;
            color: #0a2540;
            font-weight: 500;
        }
        
        .mhx5-step-label span {
            display: block;
            color: #0077ff;
            font-weight: 700;
            margin-bottom: 4px;
        }
        
        .mhx5-flow-desc {
            color: #0056b3;
            font-size: 14px;
            margin-top: 20px;
            margin-bottom: 12px;
        }
        
        /* ========== 响应式布局 ========== */
        @media (max-width: 1200px) {
            .mhx5-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .mhx7-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        @media (max-width: 992px) {
            .mhx4-container {
                flex-direction: column-reverse;
                gap: 35px;
                padding: 0 20px;
            }
            
            .mhx4-card {
                width: 100%;
                text-align: center;
                padding: 30px 25px;
            }
            
            .mhx4-title {
                justify-content: center;
                font-size: 26px;
            }
            
            .mhx4-subtitle {
                font-size: 13px;
                margin-bottom: 18px;
            }
            
            .mhx4-desc {
                font-size: 15px;
                max-width: 100%;
            }
            
            .mhx4-media {
                width: 100%;
                max-height: 300px;
                border-radius: 10px;
            }
            
            .mhx4-badge {
                font-size: 12px;
                bottom: 10px;
                right: 10px;
                padding: 6px 10px;
            }
            
            .mhx5-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .mhx7-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .mhx7-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            
            .mhx4-arch-center {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }
            
            .mhx4-arch-divider {
                display: none;
            }
            
            .mhx4-arch-row {
                flex-direction: column;
                gap: 10px;
            }
            
            .mhx4-arch-subline {
                display: none;
            }
        }
        
        @media (max-width: 768px) {
            .mhx5-title, .mhx7-title, .mhx5-flow-title {
                font-size: 26px;
            }
            
            .mhx5-grid {
                grid-template-columns: 1fr;
            }
            
            .mhx7-grid {
                grid-template-columns: 1fr;
            }
            
            .mhx5-item {
                padding: 28px 20px;
            }
            
            .mhx5-flow {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 30px 20px;
                justify-items: center;
            }
            
            .mhx5-arrow {
                display: none;
            }
            
            .mhx5-step-icon {
                width: 70px;
                height: 70px;
            }
            
            .mhx5-flow-subline {
                display: none;
            }
        }
        
        @media (max-width: 500px) {
            .mhx5-head, .mhx7-head, .mhx4-arch-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            
            /* .mhx5-flow {
                grid-template-columns: 1fr;
            } */
        }
        /* ===== 新版 Banner 区块 ===== */
.mhx-bannerx {
  position: relative;
  width: 100%;
  height: 650px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mhx-bannerx-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  transition: transform 6s ease;
  z-index: 1;
}

.mhx-bannerx:hover .mhx-bannerx-bg {
  transform: scale(1.1);
}

.mhx-bannerx-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55); /* ✅ 遮罩更深，背景模糊掉 */
  z-index: 2;
}

.mhx-bannerx-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #fff;
  max-width: 800px;
  padding: 0 20px;
}

.mhx-bannerx-title {
  font-size: clamp(30px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 15px;
}

.mhx-bannerx-subtitle {
  font-size: clamp(16px, 1.8vw, 22px);
  line-height: 1.6;
  opacity: 0.9;
  margin-bottom: 30px;
}

.mhx-bannerx-btn {
  background: linear-gradient(90deg, #0077ff, #00c6ff);
  padding: 12px 40px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.35);
  transition: all 0.3s ease;
  color: #fff;
  text-decoration: none;
}

.mhx-bannerx-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 123, 255, 0.5);
}

@media (max-width: 768px) {
  .mhx-bannerx {
    height: 460px;
  }
  .mhx-bannerx-title {
    font-size: 26px;
  }
  .mhx-bannerx-subtitle {
    font-size: 14px;
  }
  .mhx-bannerx-btn {
    padding: 10px 26px;
    font-size: 14px;
  }
}
/* banner样式结束 */
/* 标题样式居中开始 */
/* =============================
   标题与“立即咨询”按钮间距优化（PC与移动端）
============================= */

/* 模块2：服务亮点 */
.mhx5-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.mhx5-head .mhx5-subtitle {
  margin-bottom: 24px !important; /* ✅ 标题与按钮间距加大 */
}

/* 模块3：应用场景 */
.mhx7-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.mhx7-head .mhx7-subtitle {
  margin-bottom: 24px !important; /* ✅ 间距加大 */
}

/* 模块4：全球网络部署架构 */
.mhx4-arch-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.mhx4-arch-subtitle {
  margin-bottom: 24px !important; /* ✅ 间距加大 */
}

/* 可选：适配小屏，略微缩小间距 */
@media (max-width: 768px) {
  .mhx5-head .mhx5-subtitle,
  .mhx7-head .mhx7-subtitle,
  .mhx4-arch-subtitle {
    margin-bottom: 18px !important;
  }
}

/* 标题样式居中结束 */
/* =========================================================
   📱 模块2：服务亮点（移动端双列布局 + 最后一张卡片加宽居中）
========================================================= */
@media (max-width: 768px) {
  .mhx5-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important; /* 一行两个卡片 */
    gap: 20px !important;
    justify-content: center !important;
  }

  /* 如果最后一个卡片数量为奇数（即最后一行只有1个），让它独占整行并加宽一点 */
  .mhx5-item:nth-last-child(1):nth-child(odd) {
    grid-column: 1 / -1; /* 占据整行 */
    justify-self: center;
    width: 100%; /* ✅ 关键：稍微加宽（默认80%，这里改为88%） */
  }

  /* 内部内容居中 */
  .mhx5-item {
    text-align: center !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 20px 12px !important;
  }
}