/* ====================== 颜色配置区【只在这里修改全局颜色】 ====================== */
    :root {
      --primary: #165DFF;
      --primary-light: #4080ff;
      --primary-dark: #0832a0;
      --secondary: #27b870;
      --warning: #ff9500;
      --accent-purple: #7b61ff;
      --accent-cyan: #00b8d9;
      --text-main: #1d2129;
      --text-gray: #4e5969;
      --text-light: #86909c;
      --bg-white: #ffffff;
      --bg-gray: #f7f8fa;
      --bg-dark: #0f172a;
      --border-color: #e5e6eb;
      --shadow: 0 4px 24px rgba(22, 93, 255, 0.12);
      --shadow-hover: 0 12px 40px rgba(22, 93, 255, 0.18);

      --card-blue-start: #165DFF;
      --card-blue-end: #4080ff;
      --card-orange-start: #ff7a00;
      --card-orange-end: #ff9500;

      /* 产品特色图标：强化蓝色渐变，深蓝→亮蓝，对比度拉高 */
      --highlight-icon-start: #0832a0;
      --highlight-icon-mid: #165DFF;
      --highlight-icon-end: #3688ff;

      /* hover 从左到右渐变 90deg */
      --highlight-hover-start: #165DFF;
      --highlight-hover-end: #4080ff;

      --table-row-blue: #f0f7ff;
      --table-row-white: #ffffff;
    }

    .qqhconn11 * {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
   .qqhconn11 {
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.65;
    }
    

    /* 通用组件 */
    section {padding: 80px 0;}
    @media(max-width:768px){section{padding:48px 0;}}
    .section-title {
      text-align: center;
      margin-bottom: 60px;
    }
    .section-title h2 {
      font-size: 36px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom:12px;
    }
    .section-title p {
      font-size:17px;
      color: var(--text-gray);
      max-width:700px;
      margin:0 auto;
    }
    @media(max-width:768px){
      .section-title h2{font-size:26px;}
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap:8px;
      padding:14px 32px;
      border-radius:8px;
      font-size:16px;
      font-weight:600;
      border:none;
      cursor:pointer;
      transition: all 0.3s ease;
      text-decoration:none;
    }
    .btn-primary {
      background: var(--primary);
      color:#fff;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow);
    }
    .btn-outline {
      border: 2px solid var(--primary);
      color: var(--primary);
      background:transparent;
    }
    .btn-outline:hover {
      background:var(--primary);
      color:#fff;
      transform: translateY(-2px);
    }

    /* 滚动动画类 */
    .fade-item {
      opacity:0;
      transform: translateY(40px);
      transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .fade-item.active {
      opacity:1;
      transform: translateY(0);
    }

    /* ---------------- 外贸企业常见管理难题 ---------------- */
    .pain {
      background-color: var(--bg-gray);
    }
    .pain-cards {
      display:grid;
      grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
      gap:30px;
    }
    @media(max-width:768px){
      .pain-cards {grid-template-columns:1fr;}
    }
    .pain-card {
      padding:36px;
      border-radius:16px;
      box-shadow:var(--shadow);
      transition:0.3s;
      color:#fff;
    }
    .pain-card.blue-gradient {
      background: linear-gradient(135deg, var(--card-blue-start) 0%, var(--card-blue-end) 100%);
    }
    .pain-card.orange-gradient {
      background: linear-gradient(135deg, var(--card-orange-start) 0%, var(--card-orange-end) 100%);
    }
    .pain-card:hover {
      transform: translateY(-6px);
      box-shadow:var(--shadow-hover);
    }
    .pain-card h3 {
      display:flex;
      align-items:center;
	  font-weight:bold;

      gap:10px;
      font-size:24px;
      margin-bottom:24px;
      padding-bottom:16px;
      border-bottom:1px solid rgba(255,255,255,0.35);
      color:#fff;
    }
    .pain-card h3 i {font-size:28px;}
    .pain-card ul {
      list-style:none;
    }
    .pain-card li {
      padding:12px 0;
      display:flex;
      gap:10px;
      color:rgba(255,255,255,0.92);
    }
    .pain-card li i {
      color:rgba(255,255,255,0.75);
      margin-top:4px;
    }

    /* ---------------- 核心功能模块：颜色变淡，依次向后透明度降低 ---------------- */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(320px, 1fr));
      gap: 32px;
    }
    .feature-card {
      position: relative;
      overflow: hidden;
      padding: 36px 30px;
      border-radius: 16px;
      border: none;
      transition: 0.35s ease;
      z-index: 1;
    }
    .feature-card:nth-child(1) {
      background: linear-gradient(135deg, rgba(208, 231, 255, 0.72) 0%, rgba(230, 243, 255, 0.72) 100%);
    }
    .feature-card:nth-child(2) {
      background: linear-gradient(135deg, rgba(219, 226, 255, 0.66) 0%, rgba(237, 241, 255, 0.66) 100%);
    }
    .feature-card:nth-child(3) {
      background: linear-gradient(135deg, rgba(200, 228, 255, 0.60) 0%, rgba(226, 240, 255, 0.60) 100%);
    }
    .feature-card:nth-child(4) {
      background: linear-gradient(135deg, rgba(228, 232, 255, 0.54) 0%, rgba(240, 243, 255, 0.54) 100%);
    }
    .feature-card:nth-child(5) {
      background: linear-gradient(135deg, rgba(196, 232, 245, 0.48) 0%, rgba(225, 244, 249, 0.48) 100%);
    }
    .feature-card:nth-child(6) {
      background: linear-gradient(135deg, rgba(216, 224, 255, 0.42) 0%, rgba(233, 237, 255, 0.42) 100%);
    }
    .feature-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-8px);
    }
    .feature-icon-bg {
      position: absolute;
      right: -8px;
      bottom: -8px;
      font-size: 90px;
      line-height: 1;
      color: rgba(22, 93, 255, 0.08);
      z-index: 2;
      pointer-events: none;
    }
    .feature-card h3 {
      position: relative;
      z-index: 3;
      font-size: 22px;
      margin-bottom: 14px;
	  font-weight:bold;
	  color:#000;
    }
    .feature-card p {
      position: relative;
      z-index: 3;
      color: var(--text-gray);
      padding-right: 80px;
    }

    /* ---------------- 产品特色 ---------------- */
    .feature-highlight {
      background-color: var(--bg-gray);
    }
    .highlight-row {
      display:grid;
      grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
      gap:26px;
    }
    .highlight-item {
      position: relative;
      overflow: hidden;
      background:#fff;
      padding:30px;
      border-radius:14px;
      text-align:center;
      transition:0.35s ease;
      z-index:1;
    }
    .highlight-item::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, var(--highlight-hover-start) 0%, var(--highlight-hover-end) 100%);
      opacity: 0;
      transition: opacity 0.35s ease;
      z-index: -1;
    }
    .highlight-item:hover::before {
      opacity: 1;
    }
    .highlight-item:hover {
      transform:translateY(-5px);
      box-shadow:var(--shadow);
    }
    .highlight-item i {
      font-size:42px;
      margin-bottom:16px;
      transition: color 0.35s ease;
      /* 进一步强化蓝色文字渐变，色阶跨度拉大，视觉更突出 */
      background: linear-gradient(135deg, var(--highlight-icon-start) 0%, var(--highlight-icon-mid) 50%, var(--highlight-icon-end) 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .highlight-item:hover i {
      color:#fff;
    }
    .highlight-item h4 {
      font-size:19px;
      margin-bottom:8px;
      transition: color 0.35s ease;
    }
    .highlight-item:hover h4 {
      color:#fff;
    }
    .highlight-item p {
      color:var(--text-gray);
      transition: color 0.35s ease;
    }
    .highlight-item:hover p {
      color:rgba(255,255,255,0.85);
    }

    /* ---------------- 版本对比 ---------------- */
    .version-tab-wrap {
      max-width:1600px;
      margin:0 auto;
    }
    .tab-content {
      display:block;
    }
    .table-wrap {
      overflow-x:auto;
      border-radius:12px;
      box-shadow:var(--shadow);
    }
    table {
      width:100%;
      border-collapse: separate;
      border-spacing: 0;
      background:#fff;
      border-radius:12px;
      overflow:hidden;
    }
    th,td {
      padding:18px 22px;
      text-align:left;
    }
    th {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color:#fff;
      font-weight:600;
    }
    tr:nth-child(odd) td {
      background-color: var(--table-row-white);
    }
    tr:nth-child(even) td {
      background-color: var(--table-row-blue);
    }
    tr:hover td {
      background-color: #e8f4ff;
    }
    .yes {
      color:var(--secondary);
      font-weight:500;
    }
    .no {
      color:var(--text-light);
    }

    /* ---------------- 响应式优化 ---------------- */
    @media(max-width:992px){
      .pain-cards,
      .feature-grid {
        grid-template-columns:1fr;
      }
      .feature-icon-bg {
        font-size: 72px;
        right: -6px;
        bottom: -6px;
      }
      .feature-card p {
        padding-right: 0;
      }
	  .highlight-row{ grid-template-columns:repeat(auto-fit, minmax(189px,1fr));gap:18px;}
    }