:root{
      --blue:#1769ff;
      --blue2:#35b9ff;
      --blue-dark:#0d4ed6;
      --blue-light:#edf5ff;
      --text:#14213d;
      --text2:#52617a;
      --muted:#7b879c;
      --border:#e6edf5;
      --bg:#f6f9fd;
      --white:#fff;
      --shadow:0 18px 50px rgba(24,64,120,.08);
      --shadow2:0 10px 30px rgba(24,64,120,.06);
      --radius:22px;
    }


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


    html{
      scroll-behavior:smooth;
    }


    body{
      font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "PingFang SC",
        "Hiragino Sans GB",
        "Microsoft YaHei",
        Arial,
        sans-serif;
      color:var(--text);
      background:var(--bg);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }


    a{
      color:inherit;
      text-decoration:none;
    }


    button{
      font:inherit;
    }


    /* ==================================================
       PAGE NAMESPACE
    ================================================== */

    .install-guide-page{
      min-height:100vh;
      overflow:hidden;
    }


    /* ==================================================
       HEADER
       与首页母版统一
    ================================================== */

    .install-guide-page .site-header{
      position:fixed;
      z-index:1000;
      top:0;
      left:0;
      right:0;
      height:76px;

      background:rgba(255,255,255,.88);
      border-bottom:1px solid rgba(225,232,242,.75);

      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);

      transition:
        background .3s ease,
        box-shadow .3s ease;
    }


    .install-guide-page .site-header.scrolled{
      background:rgba(255,255,255,.97);
      box-shadow:0 8px 30px rgba(24,64,120,.06);
    }


    .install-guide-page .header-inner{
      width:min(1240px,calc(100% - 40px));
      height:76px;
      margin:0 auto;

      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }


    /* ==================================================
       LOGO
       与首页统一
    ================================================== */

    .install-guide-page .logo{
      display:flex;
      align-items:center;
      gap:11px;
      flex-shrink:0;
    }


    .install-guide-page .logo-icon{
      display:flex;
      align-items:center;
      justify-content:center;
      flex-shrink:0;
    }


    .install-guide-page .logo-icon img{
      width:auto;
      height:auto;
      max-height:44px;
      display:block;
    }


    /* ==================================================
       DESKTOP NAV
    ================================================== */

    .install-guide-page .main-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:2px;
      flex:1;
    }


    .install-guide-page .main-nav a{
      padding:9px 12px;
      border-radius:10px;

      color:#4d5b72;
      font-size:14px;
      white-space:nowrap;

      transition:
        color .2s ease,
        background .2s ease;
    }


    .install-guide-page .main-nav a:hover,
    .install-guide-page .main-nav a.active{
      color:var(--blue);
      background:var(--blue-light);
    }


    /* ==================================================
       HEADER ACTIONS
    ================================================== */

    .install-guide-page .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-shrink:0;
    }


    .install-guide-page .header-help{
      padding:8px 9px;
      color:#53627a;
      font-size:14px;
      white-space:nowrap;

      transition:color .2s ease;
    }


    .install-guide-page .header-help:hover{
      color:var(--blue);
    }


    .install-guide-page .header-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;

      min-height:40px;
      padding:0 17px;

      border-radius:11px;

      color:#fff;
      background:linear-gradient(
        135deg,
        var(--blue),
        var(--blue2)
      );

      box-shadow:0 8px 22px rgba(23,105,255,.2);

      font-size:14px;
      font-weight:700;

      transition:.25s ease;
    }


    .install-guide-page .header-btn:hover{
      transform:translateY(-2px);
      box-shadow:0 11px 26px rgba(23,105,255,.24);
    }


    /* ==================================================
       MOBILE MENU BUTTON
    ================================================== */

    .install-guide-page .mobile-menu-btn{
      display:none;

      width:42px;
      height:42px;

      border:1px solid var(--border);
      border-radius:11px;

      background:#fff;

      cursor:pointer;
    }


    .install-guide-page .mobile-menu-btn span{
      display:block;

      width:18px;
      height:2px;

      margin:4px auto;

      border-radius:3px;

      background:#33415c;
    }


    /* ==================================================
       MOBILE NAV
    ================================================== */

    .install-guide-page .mobile-nav{
      display:none;
    }


    /* ==================================================
       HERO
    ================================================== */

    .install-guide-page .article-hero{
      position:relative;

      padding:145px 20px 80px;

      background:
        radial-gradient(
          circle at 10% 18%,
          rgba(53,185,255,.14),
          transparent 30%
        ),
        radial-gradient(
          circle at 90% 15%,
          rgba(23,105,255,.11),
          transparent 32%
        ),
        linear-gradient(
          180deg,
          #fff 0%,
          #f7faff 100%
        );
    }


    .install-guide-page .hero-grid{
      position:absolute;
      inset:0;

      pointer-events:none;

      opacity:.42;

      background-image:
        linear-gradient(
          rgba(23,105,255,.035) 1px,
          transparent 1px
        ),
        linear-gradient(
          90deg,
          rgba(23,105,255,.035) 1px,
          transparent 1px
        );

      background-size:44px 44px;

      mask-image:
        linear-gradient(
          to bottom,
          #000,
          transparent
        );
    }


    .install-guide-page .hero-inner{
      position:relative;
      z-index:2;

      width:min(950px,100%);
      margin:auto;

      text-align:center;
    }


    .install-guide-page .breadcrumb{
      display:flex;
      justify-content:center;
      align-items:center;

      flex-wrap:wrap;

      gap:8px;

      margin-bottom:22px;

      color:#8792a6;
      font-size:13px;
    }


    .install-guide-page .breadcrumb a{
      color:#71809a;
    }


    .install-guide-page .breadcrumb a:hover{
      color:var(--blue);
    }


    .install-guide-page .hero-label{
      display:inline-flex;
      align-items:center;
      gap:8px;

      margin-bottom:20px;
      padding:7px 13px;

      border:1px solid #dbeaff;
      border-radius:999px;

      color:var(--blue);
      background:#f3f8ff;

      font-size:13px;
      font-weight:700;
    }


    .install-guide-page .hero-label i{
      width:7px;
      height:7px;

      border-radius:50%;

      background:var(--blue2);

      box-shadow:
        0 0 0 5px rgba(53,185,255,.12);
    }


    .install-guide-page .article-hero h1{
      max-width:900px;

      margin:0 auto;

      color:#10203b;

      font-size:clamp(36px,5vw,58px);
      line-height:1.18;

      letter-spacing:-1.8px;

      font-weight:850;
    }


    .install-guide-page .hero-desc{
      max-width:760px;

      margin:22px auto 0;

      color:var(--text2);

      font-size:17px;
      line-height:1.9;
    }


    .install-guide-page .article-meta{
      display:flex;
      justify-content:center;
      align-items:center;

      flex-wrap:wrap;

      gap:10px 20px;

      margin-top:25px;

      color:#8792a6;

      font-size:13px;
    }


    .install-guide-page .hero-actions{
      display:flex;
      justify-content:center;

      flex-wrap:wrap;

      gap:12px;

      margin-top:31px;
    }


    .install-guide-page .btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;

      min-height:46px;

      padding:0 21px;

      border-radius:12px;

      color:#fff;

      background:
        linear-gradient(
          135deg,
          var(--blue),
          var(--blue2)
        );

      box-shadow:
        0 12px 26px rgba(23,105,255,.2);

      font-size:14px;
      font-weight:750;

      transition:.25s ease;
    }


    .install-guide-page .btn-primary:hover{
      transform:translateY(-2px);

      box-shadow:
        0 15px 32px rgba(23,105,255,.25);
    }


    .install-guide-page .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;

      min-height:46px;

      padding:0 21px;

      border:1px solid #dfe7f1;
      border-radius:12px;

      color:#40506a;
      background:#fff;

      font-size:14px;
      font-weight:700;

      transition:.25s ease;
    }


    .install-guide-page .btn-secondary:hover{
      color:var(--blue);

      border-color:#bcd5ff;

      transform:translateY(-2px);
    }


    /* ==================================================
       MAIN
    ================================================== */

    .install-guide-page .article-layout{
      width:min(1160px,calc(100% - 40px));

      margin:auto;

      padding:70px 0 90px;

      display:grid;

      grid-template-columns:
        minmax(0,1fr)
        300px;

      gap:30px;

      align-items:start;
    }


    .install-guide-page .article-main{
      min-width:0;
    }


    .install-guide-page .article-card{
      padding:42px 46px;

      border:1px solid var(--border);
      border-radius:var(--radius);

      background:#fff;

      box-shadow:var(--shadow);
    }


    .install-guide-page .article-card h2{
      margin:40px 0 15px;

      color:#172842;

      font-size:27px;
      line-height:1.35;

      letter-spacing:-.5px;
    }


    .install-guide-page .article-card h2:first-child{
      margin-top:0;
    }


    .install-guide-page .article-card h3{
      margin:28px 0 11px;

      color:#273b5b;

      font-size:20px;
      line-height:1.45;
    }


    .install-guide-page .article-card p{
      margin:0 0 17px;

      color:#53617a;

      font-size:15px;
      line-height:1.95;
    }


    .install-guide-page .article-card strong{
      color:#263a5a;
    }


    .install-guide-page .article-card ul,
    .install-guide-page .article-card ol{
      margin:12px 0 22px 22px;

      color:#53617a;
    }


    .install-guide-page .article-card li{
      margin:8px 0;
      padding-left:3px;

      line-height:1.85;
    }


    .install-guide-page .article-card blockquote{
      margin:25px 0;

      padding:18px 20px;

      border-left:4px solid var(--blue);

      border-radius:0 12px 12px 0;

      color:#52617a;

      background:#f5f9ff;
    }


    /* ==================================================
       TOC
    ================================================== */

    .install-guide-page .toc{
      margin-bottom:30px;

      padding:22px 24px;

      border:1px solid #e0eafa;
      border-radius:17px;

      background:#f7faff;
    }


    .install-guide-page .toc-title{
      margin-bottom:12px;

      color:#263a5a;

      font-size:15px;
      font-weight:800;
    }


    .install-guide-page .toc ol{
      margin:0 0 0 19px;

      color:#60708a;

      font-size:14px;
    }


    .install-guide-page .toc li{
      margin:5px 0;
      padding-left:2px;
    }


    .install-guide-page .toc a:hover{
      color:var(--blue);
    }


    /* ==================================================
       NOTICE
    ================================================== */

    .install-guide-page .notice{
      margin:25px 0;

      padding:21px 22px;

      border:1px solid #dceaff;
      border-radius:15px;

      background:
        linear-gradient(
          135deg,
          #f5f9ff,
          #fafdff
        );
    }


    .install-guide-page .notice-title{
      display:flex;
      align-items:center;

      gap:9px;

      margin-bottom:7px;

      color:#174ea6;

      font-weight:800;
    }


    .install-guide-page .notice-dot{
      width:9px;
      height:9px;

      border-radius:50%;

      background:var(--blue);
    }


    .install-guide-page .notice p{
      margin:0;

      font-size:14px;
    }


    /* ==================================================
       STEP CARDS
    ================================================== */

    .install-guide-page .steps{
      display:grid;

      gap:14px;

      margin:25px 0 30px;
    }


    .install-guide-page .step{
      position:relative;

      display:grid;

      grid-template-columns:
        54px
        minmax(0,1fr);

      gap:15px;

      padding:20px;

      border:1px solid #e4ebf4;
      border-radius:17px;

      background:#fff;

      transition:.25s ease;
    }


    .install-guide-page .step:hover{
      transform:translateY(-3px);

      border-color:#cfe0ff;

      box-shadow:var(--shadow2);
    }


    .install-guide-page .step-number{
      width:46px;
      height:46px;

      display:grid;
      place-items:center;

      border-radius:13px;

      color:#fff;

      background:
        linear-gradient(
          135deg,
          var(--blue),
          var(--blue2)
        );

      font-size:15px;
      font-weight:850;

      box-shadow:
        0 9px 20px rgba(23,105,255,.15);
    }


    .install-guide-page .step h3{
      margin:1px 0 5px;

      font-size:18px;
    }


    .install-guide-page .step p{
      margin:0;

      font-size:14px;
    }


    /* ==================================================
       CHECKLIST
    ================================================== */

    .install-guide-page .check-grid{
      display:grid;

      grid-template-columns:
        repeat(2,minmax(0,1fr));

      gap:13px;

      margin:25px 0 30px;
    }


    .install-guide-page .check-card{
      padding:19px;

      border:1px solid #e5ebf4;
      border-radius:16px;

      background:#fff;
    }


    .install-guide-page .check-top{
      display:flex;
      align-items:center;

      gap:9px;

      margin-bottom:7px;
    }


    .install-guide-page .check-icon{
      width:34px;
      height:34px;

      display:grid;
      place-items:center;

      border-radius:10px;

      color:var(--blue);

      background:#edf5ff;

      font-size:16px;
    }


    .install-guide-page .check-card strong{
      font-size:15px;
    }


    .install-guide-page .check-card p{
      margin:0;

      font-size:13px;
    }


    /* ==================================================
       TROUBLESHOOTING
    ================================================== */

    .install-guide-page .problem-list{
      display:grid;

      gap:11px;

      margin-top:22px;
    }


    .install-guide-page .problem-item{
      padding:17px 18px;

      border:1px solid #e7edf5;
      border-radius:14px;

      background:#fff;
    }


    .install-guide-page .problem-item h3{
      margin:0 0 5px;

      font-size:16px;
    }


    .install-guide-page .problem-item p{
      margin:0;

      font-size:14px;
    }


    /* ==================================================
       FAQ
    ================================================== */

    .install-guide-page .faq-list{
      display:grid;

      gap:10px;

      margin-top:20px;
    }


    .install-guide-page .faq-item{
      overflow:hidden;

      border:1px solid #e4eaf3;
      border-radius:14px;

      background:#fff;
    }


    .install-guide-page .faq-question{
      width:100%;

      border:0;

      background:none;

      cursor:pointer;

      padding:17px 18px;

      display:flex;

      align-items:center;

      justify-content:space-between;

      gap:15px;

      color:#263a5a;

      text-align:left;

      font-weight:750;
    }


    .install-guide-page .faq-icon{
      width:26px;
      height:26px;

      display:grid;
      place-items:center;

      flex-shrink:0;

      border-radius:8px;

      color:var(--blue);

      background:#edf5ff;

      transition:.25s ease;
    }


    .install-guide-page .faq-answer{
      max-height:0;

      overflow:hidden;

      transition:max-height .3s ease;
    }


    .install-guide-page .faq-answer-inner{
      padding:0 18px 17px;

      color:#637089;

      font-size:14px;

      line-height:1.85;
    }


    .install-guide-page .faq-item.open .faq-icon{
      transform:rotate(45deg);
    }


    /* ==================================================
       SIDEBAR
    ================================================== */

    .install-guide-page .article-sidebar{
      position:sticky;

      top:96px;
    }


    .install-guide-page .side-card{
      margin-bottom:16px;

      padding:21px;

      border:1px solid var(--border);
      border-radius:18px;

      background:#fff;

      box-shadow:var(--shadow2);
    }


    .install-guide-page .side-title{
      margin-bottom:13px;

      color:#263a5a;

      font-size:15px;
      font-weight:800;
    }


    .install-guide-page .side-nav{
      display:grid;

      gap:5px;
    }


    .install-guide-page .side-nav a{
      padding:9px 10px;

      border-radius:9px;

      color:#65738b;

      font-size:13px;

      transition:.2s ease;
    }


    .install-guide-page .side-nav a:hover{
      color:var(--blue);

      background:#f1f6ff;
    }


    .install-guide-page .side-download{
      position:relative;

      overflow:hidden;

      border-color:#dbe9ff;

      background:
        linear-gradient(
          145deg,
          #edf5ff,
          #f8fcff
        );
    }


    .install-guide-page .side-download::after{
      content:"";

      position:absolute;

      width:120px;
      height:120px;

      right:-50px;
      top:-50px;

      border-radius:50%;

      background:rgba(53,185,255,.13);
    }


    .install-guide-page .side-download p{
      position:relative;

      z-index:2;

      margin:0 0 16px;

      color:#61708a;

      font-size:13px;
    }


    .install-guide-page .side-download .btn-primary{
      position:relative;

      z-index:2;

      width:100%;

      min-height:42px;

      font-size:13px;
    }


    .install-guide-page .related-list{
      display:grid;

      gap:11px;
    }


    .install-guide-page .related-link{
      display:block;

      padding-bottom:11px;

      border-bottom:1px solid #edf1f6;
    }


    .install-guide-page .related-link:last-child{
      padding-bottom:0;

      border-bottom:0;
    }


    .install-guide-page .related-link strong{
      display:block;

      color:#40516d;

      font-size:13px;

      line-height:1.55;
    }


    .install-guide-page .related-link span{
      display:block;

      margin-top:3px;

      color:#9aa4b5;

      font-size:11px;
    }


    /* ==================================================
       CTA
    ================================================== */

    .install-guide-page .article-cta{
      width:min(1160px,calc(100% - 40px));

      margin:0 auto 90px;

      padding:45px 48px;

      position:relative;

      overflow:hidden;

      border-radius:25px;

      color:#fff;

      background:
        radial-gradient(
          circle at 90% 20%,
          rgba(53,185,255,.32),
          transparent 27%
        ),
        linear-gradient(
          135deg,
          #0f56d9,
          #1688ee
        );

      box-shadow:
        0 22px 50px rgba(23,105,255,.18);
    }


    .install-guide-page .article-cta::before{
      content:"";

      position:absolute;

      width:260px;
      height:260px;

      right:-90px;
      bottom:-140px;

      border:1px solid rgba(255,255,255,.18);

      border-radius:50%;
    }


    .install-guide-page .article-cta-content{
      position:relative;

      z-index:2;

      max-width:760px;
    }


    .install-guide-page .article-cta h2{
      margin:0 0 11px;

      font-size:30px;

      line-height:1.3;

      letter-spacing:-.5px;
    }


    .install-guide-page .article-cta p{
      margin:0;

      color:rgba(255,255,255,.82);

      font-size:15px;
    }


    .install-guide-page .cta-actions{
      display:flex;

      flex-wrap:wrap;

      gap:10px;

      margin-top:23px;
    }


    .install-guide-page .cta-white{
      display:inline-flex;

      align-items:center;
      justify-content:center;

      min-height:44px;

      padding:0 19px;

      border-radius:11px;

      color:#1769ff;

      background:#fff;

      font-size:14px;

      font-weight:800;
    }


    .install-guide-page .cta-outline{
      display:inline-flex;

      align-items:center;
      justify-content:center;

      min-height:44px;

      padding:0 19px;

      border:1px solid rgba(255,255,255,.38);

      border-radius:11px;

      color:#fff;

      background:rgba(255,255,255,.08);

      font-size:14px;

      font-weight:750;
    }


    /* ==================================================
       FOOTER
       首页母版 5 栏统一
    ================================================== */

    .install-guide-page .site-footer{
      padding:65px 0 25px;

      background:#091629;

      color:#fff;
    }


    .install-guide-page .footer-inner{
      width:min(1180px,calc(100% - 40px));

      margin:0 auto;
    }


    .install-guide-page .footer-grid{
      display:grid;

      grid-template-columns:
        1.5fr
        1fr
        1fr
        1fr
        1fr;

      gap:45px;

      padding-bottom:48px;

      border-bottom:
        1px solid rgba(255,255,255,.08);
    }


    .install-guide-page .footer-brand{
      min-width:0;
    }


    .install-guide-page .footer-brand .logo{
      display:flex;

      align-items:center;

      gap:11px;
    }


    .install-guide-page .footer-brand .logo-icon{
      display:flex;

      align-items:center;
      justify-content:center;
    }


    .install-guide-page .footer-brand .logo-icon img{
      width:auto;
      height:auto;

      max-height:44px;

      display:block;
    }


    .install-guide-page .footer-brand p{
      max-width:330px;

      margin:16px 0 0;

      color:#8190a7;

      font-size:13px;

      line-height:1.9;
    }


    .install-guide-page .footer-title{
      margin-bottom:15px;

      font-size:14px;

      font-weight:700;
    }


    .install-guide-page .footer-links{
      display:grid;

      gap:9px;
    }


    .install-guide-page .footer-links a{
      color:#8190a7;

      font-size:13px;

      transition:color .2s ease;
    }


    .install-guide-page .footer-links a:hover{
      color:#fff;
    }


    .install-guide-page .footer-bottom{
      display:flex;

      justify-content:space-between;

      gap:20px;

      padding-top:23px;

      color:#65748b;

      font-size:12px;
    }


    /* ==================================================
       REVEAL
    ================================================== */

    .install-guide-page .reveal{
      opacity:0;

      transform:translateY(24px);

      transition:
        opacity .7s ease,
        transform .7s ease;
    }


    .install-guide-page .reveal.visible{
      opacity:1;

      transform:translateY(0);
    }


    /* ==================================================
       RESPONSIVE 1080
    ================================================== */

    @media(max-width:1080px){

      .install-guide-page .main-nav{
        gap:0;
      }


      .install-guide-page .main-nav a{
        padding:8px 8px;
      }


      .install-guide-page .header-help{
        display:none;
      }


      .install-guide-page .article-layout{
        grid-template-columns:
          minmax(0,1fr)
          270px;
      }


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


      .install-guide-page .footer-brand{
        grid-column:1/-1;
      }

    }


    /* ==================================================
       RESPONSIVE 850
    ================================================== */

    @media(max-width:850px){

      .install-guide-page .site-header{
        height:68px;
      }


      .install-guide-page .header-inner{
        width:min(100% - 28px,1240px);

        height:68px;
      }


      .install-guide-page .main-nav,
      .install-guide-page .header-actions{
        display:none;
      }


      .install-guide-page .mobile-menu-btn{
        display:block;
      }


      .install-guide-page .mobile-nav{
        position:absolute;

        top:68px;

        left:14px;
        right:14px;

        padding:12px;

        display:none;

        border:1px solid var(--border);

        border-radius:16px;

        background:rgba(255,255,255,.98);

        box-shadow:
          0 16px 40px rgba(24,64,120,.12);
      }


      .install-guide-page .mobile-nav.open{
        display:grid;
      }


      .install-guide-page .mobile-nav a{
        padding:12px;

        border-radius:10px;

        color:#4d5d76;

        font-size:14px;
      }


      .install-guide-page .mobile-nav a:hover{
        color:var(--blue);

        background:#f2f7ff;
      }


      .install-guide-page .mobile-nav a.mobile-menu-primary{
        color:#fff;

        margin-top:4px;

        text-align:center;

        font-weight:700;

        background:
          linear-gradient(
            135deg,
            var(--blue),
            var(--blue2)
          );
      }


      .install-guide-page .article-hero{
        padding-top:125px;
      }


      .install-guide-page .article-layout{
        grid-template-columns:1fr;
      }


      .install-guide-page .article-sidebar{
        position:static;

        display:grid;

        grid-template-columns:1fr 1fr;

        gap:15px;
      }


      .install-guide-page .side-card{
        margin:0;
      }


      .install-guide-page .side-download{
        grid-column:1/-1;
      }

    }


    /* ==================================================
       RESPONSIVE 620
    ================================================== */

    @media(max-width:620px){

      .install-guide-page .article-hero{
        padding:112px 15px 60px;
      }


      .install-guide-page .article-hero h1{
        font-size:34px;

        letter-spacing:-1px;
      }


      .install-guide-page .hero-desc{
        font-size:15px;
      }


      .install-guide-page .article-layout{
        width:min(100% - 24px,1160px);

        padding:45px 0 65px;
      }


      .install-guide-page .article-card{
        padding:27px 21px;

        border-radius:18px;
      }


      .install-guide-page .article-card h2{
        font-size:23px;

        margin-top:32px;
      }


      .install-guide-page .article-card h3{
        font-size:18px;
      }


      .install-guide-page .check-grid{
        grid-template-columns:1fr;
      }


      .install-guide-page .article-sidebar{
        display:block;
      }


      .install-guide-page .side-card{
        margin-bottom:12px;
      }


      .install-guide-page .article-cta{
        width:min(100% - 24px,1160px);

        padding:31px 23px;

        margin-bottom:60px;

        border-radius:19px;
      }


      .install-guide-page .article-cta h2{
        font-size:25px;
      }


      .install-guide-page .footer-inner{
        width:min(100% - 40px,1180px);
      }


      .install-guide-page .footer-grid{
        grid-template-columns:1fr 1fr;

        gap:30px 20px;
      }


      .install-guide-page .footer-brand{
        grid-column:1/-1;
      }


      .install-guide-page .footer-bottom{
        display:block;
      }


      .install-guide-page .footer-bottom div + div{
        margin-top:7px;
      }

    }


    /* ==================================================
       RESPONSIVE 420
    ================================================== */

    @media(max-width:420px){

      .install-guide-page .article-hero h1{
        font-size:31px;
      }


      .install-guide-page .hero-actions{
        display:grid;
      }


      .install-guide-page .hero-actions a{
        width:100%;
      }


      .install-guide-page .footer-grid{
        grid-template-columns:1fr;
      }


      .install-guide-page .footer-brand{
        grid-column:auto;
      }

    }

  
    /* ==========================================================
    全站统一 Header / Footer 样式（统一顶部与底部布局）
    追加于页面原有样式之后，保证所有页面渲染一致
    ========================================================== */

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .site-header, .site-header{
      position:fixed;
      z-index:1000;
      top:0;
      left:0;
      right:0;
      height:76px;
      display:flex;
      align-items:center;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border-bottom:1px solid #e8eef7;
      transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .site-header.scrolled, .site-header.scrolled{
      background:rgba(255,255,255,.98);
      border-color:#e2e9f3;
      box-shadow:0 8px 30px rgba(20,48,90,.08);
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-inner, .header-inner{
      width:min(1240px,calc(100% - 40px));
      height:100%;
      margin:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .logo, .logo{
      display:flex;
      align-items:center;
      gap:11px;
      flex-shrink:0;
      text-decoration:none;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .logo-icon, .logo-icon{
      display:flex;
      align-items:center;
      justify-content:center;
      width:auto;
      height:auto;
      border-radius:0;
      box-shadow:none;
      overflow:visible;
      background:transparent;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .logo-icon img, .logo-icon img{
      width:auto;
      height:auto;
      display:block;
      max-height:44px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .nav, .nav{
      display:flex;
      align-items:center;
      gap:5px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .nav a, .nav a{
      padding:9px 13px;
      border-radius:10px;
      color:#50617d;
      font-size:14px;
      font-weight:600;
      text-decoration:none;
      transition:.25s ease;
      display:inline-block;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .nav a:hover, .nav a.active, .nav a:hover, .nav a.active{
      color:#1769ff;
      background:#edf4ff;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-actions, .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-shrink:0;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-help, .header-help{
      padding:9px 12px;
      color:#52637e;
      font-size:14px;
      font-weight:600;
      text-decoration:none;
      transition:.25s ease;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-help:hover, .header-help:hover{
      color:#1769ff;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-btn, .header-btn{
      padding:11px 18px;
      border-radius:11px;
      color:#fff;
      background:#1769ff;
      font-size:14px;
      font-weight:700;
      text-decoration:none;
      box-shadow:0 8px 22px rgba(23,105,255,.22);
      transition:.25s ease;
      white-space:nowrap;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-btn:hover, .header-btn:hover{
      background:#0f5ae0;
      transform:translateY(-2px);
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .menu-btn, .menu-btn{
      display:none;
      width:42px;
      height:42px;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      border:1px solid #dde5ef;
      border-radius:11px;
      background:#fff;
      cursor:pointer;
      flex-shrink:0;
      padding:0;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .menu-btn span, .menu-btn span{
      width:18px;
      height:2px;
      border-radius:3px;
      background:#31415d;
      display:block;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .mobile-nav, .mobile-nav{
      display:none;
      position:fixed;
      top:76px;
      left:0;
      right:0;
      z-index:999;
      background:#fff;
      border-bottom:1px solid #e2e9f3;
      box-shadow:0 18px 40px rgba(16,24,40,.10);
      padding:12px 20px 20px;
      flex-direction:column;
      gap:4px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .mobile-nav.open, .mobile-nav.open{
      display:flex;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .mobile-nav a, .mobile-nav a{
      padding:12px 14px;
      border-radius:10px;
      color:#3c4c63;
      font-size:15px;
      font-weight:600;
      text-decoration:none;
      transition:.2s ease;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .mobile-nav a:hover, .mobile-nav a.active, .mobile-nav a:hover, .mobile-nav a.active{
      color:#1769ff;
      background:#edf4ff;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .mobile-nav .mobile-menu-primary, .mobile-nav .mobile-menu-primary{
      margin-top:8px;
      color:#fff;
      background:#1769ff;
      text-align:center;
      border-radius:10px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .mobile-nav .mobile-menu-primary:hover, .mobile-nav .mobile-menu-primary:hover{
      color:#fff;
      background:#0f5ae0;
    }

    /* 屏蔽旧版移动端下拉菜单样式，统一由 .mobile-nav 承担 */
    .mq-home .site-header.mobile-open .nav,
    .products-page .site-header.mobile-open .nav,
    .mq-solutions-page .site-header.mobile-open .nav,
    .mq-features-page .site-header.mobile-open .main-nav,
    .mq-features-page .site-header.mobile-open .header-actions{
      display:none !important;
    }

    /* ---------- 统一底部 ---------- */

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .site-footer, .site-footer{
      background:#091629;
      color:#fff;
      padding:65px 0 25px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-inner, .footer-inner{
      width:min(1240px,calc(100% - 40px));
      margin:auto;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-top, .footer-top{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;
      gap:45px;
      padding-bottom:48px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-brand, .footer-brand{
      max-width:330px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-brand .logo-icon img, .footer-brand .logo-icon img{
      max-height:44px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-brand p, .footer-brand p{
      margin:16px 0 0;
      color:#8190a7;
      font-size:13px;
      line-height:1.9;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-col h4, .footer-col h4{
      margin:0 0 15px;
      color:#fff;
      font-size:14px;
      font-weight:700;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-links, .footer-links{
      display:grid;
      gap:9px;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-links a, .footer-links a{
      color:#8190a7;
      font-size:13px;
      text-decoration:none;
      transition:.2s ease;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-links a:hover, .footer-links a:hover{
      color:#fff;
    }

    :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-bottom, .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:23px;
      color:#65748b;
      font-size:12px;
    }

    /* ---------- 统一响应式 ---------- */

    @media(max-width:1080px){
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .nav, .nav{ gap:0; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .nav a, .nav a{ padding:8px 9px; font-size:13px; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-help, .header-help{ display:none; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-top, .footer-top{ grid-template-columns:repeat(3,1fr); }
    }

    @media(max-width:900px){
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .nav, .nav{ display:none; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-actions, .header-actions{ display:none; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .menu-btn, .menu-btn{ display:flex; }
    }

    @media(max-width:820px){
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .site-header, .site-header{ height:68px; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .header-inner, .header-inner{ width:calc(100% - 28px); gap:12px; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .mobile-nav, .mobile-nav{ top:68px; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-top, .footer-top{ grid-template-columns:repeat(2,1fr); gap:28px; }
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-bottom, .footer-bottom{ flex-direction:column; }
    }

    @media(max-width:480px){
      :is(.mq-home,.mq-features-page,.products-page,.mq-solutions-page,.faq-page,.blog-page,.api-page,.terms-page,.mq-download-page,.mq-404-page,.download-guide-page,.install-guide-page,.pc-guide-page,.guide-page,.blog-online-page) .footer-top, .footer-top{ grid-template-columns:1fr; }
    }