:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#062a66;
      --theme-soft:#edf4ff;
      --accent:#d41472;
      --ink:#172033;
      --muted:#68738a;
      --line:#dfe5ee;
      --surface:#ffffff;
      --page:#f5f7fb;
      --success:#168a62;
      --shadow:0 18px 48px rgba(11,61,145,.12);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--page);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
      line-height:1.65;
    }
    body,button,input{font:inherit}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}

    .topbar{
      color:#dfeaff;
      background:#061d45;
      font-size:13px;
    }
    .topbar .container{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-links{display:flex;align-items:center;gap:22px}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(23,32,51,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      min-width:max-content;
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--theme);
      font-size:19px;
      font-weight:800;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{margin-left:auto;align-self:stretch}
    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      align-items:stretch;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      height:100%;
      padding:0 13px;
      display:flex;
      align-items:center;
      color:#27334a;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow::after{
      width:6px;
      height:6px;
      margin:-4px 0 0 8px;
      content:"";
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
    }
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      right:0;
      z-index:60;
      padding:22px;
      visibility:hidden;
      opacity:0;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:0 24px 60px rgba(7,29,68,.16);
      transform:translateY(8px);
      transition:.2s ease;
    }
    .dropdown-panel{width:330px}
    .mega-menu{width:min(760px,82vw)}
    .nav-item:hover>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      transform:translateY(0);
    }
    .dropdown-panel::before,.mega-menu::before{
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:10px;
      content:"";
    }
    .panel-title{
      margin:0 0 14px;
      color:var(--theme);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .panel-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
    .dropdown-panel .panel-list{grid-template-columns:1fr}
    .panel-list a{
      padding:9px 11px;
      overflow:hidden;
      background:#f6f8fc;
      border-radius:9px;
      color:#3b465b;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .panel-list a:hover{color:var(--theme);background:var(--theme-soft)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
    .mega-card{
      min-width:0;
      padding:11px;
      display:flex;
      align-items:center;
      gap:10px;
      border:1px solid #e8edf4;
      border-radius:12px;
    }
    .mega-card:hover{border-color:#b8cae9;background:var(--theme-soft)}
    .mega-card img{
      width:46px;
      height:46px;
      flex:0 0 auto;
      object-fit:cover;
      border-radius:10px;
      background:#eef2f7;
    }
    .mega-card span{min-width:0;display:grid;gap:2px}
    .mega-card strong{
      overflow:hidden;
      color:#202b40;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card small{
      overflow:hidden;
      color:var(--muted);
      font-size:11px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-footer{
      margin-top:16px;
      padding-top:13px;
      display:block;
      color:var(--theme);
      border-top:1px solid var(--line);
      font-size:13px;
      font-weight:800;
      text-align:right;
    }
    .header-btns{display:flex;align-items:center;gap:9px}
    .member-link,.account-link{
      padding:9px 14px;
      border-radius:9px;
      font-size:14px;
      font-weight:800;
      white-space:nowrap;
    }
    .member-link{color:var(--theme);background:var(--theme-soft)}
    .account-link{color:#fff;background:var(--theme)}
    .account-link:hover{background:var(--theme-dark)}
    .hamburger{
      width:42px;
      height:42px;
      padding:0;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      cursor:pointer;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:var(--ink);
      transition:.2s ease;
    }
    .hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    .drawer-overlay{
      position:fixed;
      inset:0;
      z-index:90;
      visibility:hidden;
      opacity:0;
      background:rgba(6,20,47,.58);
      backdrop-filter:blur(3px);
      transition:.25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:100;
      width:min(390px,90vw);
      height:100dvh;
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 55px rgba(6,20,47,.2);
      transform:translateX(105%);
      transition:.28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:76px;
      padding:16px 20px;
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      background:var(--theme);
    }
    .drawer-head strong{margin-right:auto}
    .drawer-head a{
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.45);
      border-radius:8px;
      font-size:13px;
      font-weight:700;
    }
    .drawer-close{
      width:36px;
      height:36px;
      padding:0;
      cursor:pointer;
      color:#fff;
      background:transparent;
      border:0;
      font-size:30px;
      line-height:1;
    }
    .drawer-menu{padding:14px 20px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      padding:14px 4px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      cursor:pointer;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      font-weight:800;
      text-align:left;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      background:#f7f9fc;
      transition:max-height .28s ease;
    }
    .drawer-submenu.open{max-height:580px}
    .drawer-submenu a{
      padding:10px 14px;
      display:block;
      color:#536078;
      border-bottom:1px solid #e8edf4;
      font-size:14px;
    }

    .target-page-main.download-page-main{overflow:hidden}
    .download-page-main .download-hero{
      position:relative;
      padding:84px 0 70px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 20%,rgba(212,20,114,.34),transparent 26%),
        radial-gradient(circle at 88% 75%,rgba(71,142,255,.3),transparent 28%),
        linear-gradient(145deg,#061d45 0%,#0B3D91 55%,#082d6d 100%);
    }
    .download-page-main .download-hero::before{
      position:absolute;
      inset:0;
      content:"";
      opacity:.3;
      background-image:
        linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .download-page-main .hero-copy{
      position:relative;
      z-index:1;
      max-width:830px;
      margin:auto;
      text-align:center;
    }
    .download-page-main .eyebrow{
      margin:0 0 16px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#ffe4f1;
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .download-page-main .eyebrow::before{
      width:9px;
      height:9px;
      content:"";
      background:#ff5dad;
      border-radius:50%;
      box-shadow:0 0 0 6px rgba(255,93,173,.16);
    }
    .download-page-main h1{
      margin:0;
      font-size:clamp(38px,6vw,68px);
      line-height:1.08;
      letter-spacing:-.04em;
    }
    .download-page-main .hero-copy>p{
      max-width:690px;
      margin:22px auto 0;
      color:#dce8ff;
      font-size:18px;
    }
    .download-page-main .hero-actions{
      margin-top:30px;
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:12px;
    }
    .download-page-main .primary-btn,
    .download-page-main .secondary-btn{
      min-height:50px;
      padding:12px 22px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:12px;
      font-weight:800;
    }
    .download-page-main .primary-btn{color:#fff;background:var(--accent);box-shadow:0 13px 30px rgba(212,20,114,.3)}
    .download-page-main .primary-btn:hover{background:#b80e5e}
    .download-page-main .secondary-btn{color:#fff;border:1px solid rgba(255,255,255,.48);background:rgba(255,255,255,.09)}
    .download-page-main .trust-strip{
      position:relative;
      z-index:2;
      width:min(940px,calc(100% - 40px));
      margin:-26px auto 0;
      padding:18px 24px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:var(--shadow);
    }
    .download-page-main .trust-item{
      padding:4px 18px;
      text-align:center;
      border-right:1px solid var(--line);
    }
    .download-page-main .trust-item:last-child{border-right:0}
    .download-page-main .trust-item strong{display:block;color:var(--theme);font-size:16px}
    .download-page-main .trust-item span{color:var(--muted);font-size:13px}

    .download-page-main .section{padding:78px 0}
    .download-page-main .section-heading{max-width:720px;margin:0 auto 34px;text-align:center}
    .download-page-main .section-kicker{
      margin:0 0 7px;
      color:var(--accent);
      font-size:13px;
      font-weight:900;
      letter-spacing:.1em;
    }
    .download-page-main .section-heading h2{
      margin:0;
      color:#15213a;
      font-size:clamp(28px,4vw,42px);
      line-height:1.2;
    }
    .download-page-main .section-heading p{margin:13px 0 0;color:var(--muted)}
    .download-page-main .platform-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
    }
    .download-page-main .platform-card{
      position:relative;
      min-width:0;
      padding:28px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 10px 30px rgba(23,32,51,.06);
      transition:.22s ease;
    }
    .download-page-main .platform-card:hover{transform:translateY(-5px);border-color:#adc4e8;box-shadow:var(--shadow)}
    .download-page-main .platform-icon{
      width:58px;
      height:58px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(145deg,var(--theme),#3876d4);
      border-radius:16px;
      font-size:25px;
      font-weight:900;
    }
    .download-page-main .platform-card h3{margin:20px 0 7px;font-size:21px}
    .download-page-main .platform-card p{min-height:78px;margin:0;color:var(--muted);font-size:14px}
    .download-page-main .platform-meta{
      margin:20px 0;
      padding:13px 0;
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#59667e;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
      font-size:12px;
    }
    .download-page-main .card-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:var(--theme);
      font-weight:900;
    }
    .download-page-main .card-link::after{content:"→";font-size:19px}

    .download-page-main .steps-section{background:#fff}
    .download-page-main .steps{
      position:relative;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:26px;
    }
    .download-page-main .steps::before{
      position:absolute;
      top:34px;
      right:16%;
      left:16%;
      height:2px;
      content:"";
      background:linear-gradient(90deg,#c9d8ef,var(--theme),#c9d8ef);
    }
    .download-page-main .step-card{position:relative;text-align:center}
    .download-page-main .step-number{
      position:relative;
      z-index:1;
      width:68px;
      height:68px;
      margin:0 auto 20px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--theme);
      border:8px solid #edf4ff;
      border-radius:50%;
      font-size:18px;
      font-weight:900;
    }
    .download-page-main .step-card h3{margin:0 0 8px}
    .download-page-main .step-card p{margin:0;color:var(--muted);font-size:14px}

    .download-page-main .security-panel{
      padding:34px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      align-items:center;
      gap:42px;
      color:#fff;
      background:linear-gradient(135deg,#081b3e,#0B3D91);
      border-radius:28px;
      box-shadow:var(--shadow);
    }
    .download-page-main .security-panel h2{margin:0 0 12px;font-size:32px}
    .download-page-main .security-panel p{margin:0;color:#d7e5ff}
    .download-page-main .security-list{display:grid;gap:12px}
    .download-page-main .security-item{
      padding:13px 16px;
      display:flex;
      align-items:center;
      gap:12px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.14);
      border-radius:12px;
    }
    .download-page-main .security-item::before{
      width:24px;
      height:24px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      content:"✓";
      color:#062a66;
      background:#87f0c8;
      border-radius:50%;
      font-size:13px;
      font-weight:900;
    }

    .download-page-main .faq-section{padding-top:10px;padding-bottom:86px}
    .download-page-main .faq-list{max-width:860px;margin:auto;display:grid;gap:12px}
    .download-page-main details{
      padding:0 22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
    }
    .download-page-main details[open]{border-color:#b4c9ea;box-shadow:0 10px 26px rgba(11,61,145,.07)}
    .download-page-main summary{
      padding:19px 32px 19px 0;
      position:relative;
      cursor:pointer;
      font-weight:800;
      list-style:none;
    }
    .download-page-main summary::-webkit-details-marker{display:none}
    .download-page-main summary::after{
      position:absolute;
      top:18px;
      right:0;
      content:"+";
      color:var(--theme);
      font-size:22px;
      line-height:1;
    }
    .download-page-main details[open] summary::after{content:"−"}
    .download-page-main details p{margin:0;padding:0 0 20px;color:var(--muted)}
    .download-page-main .final-cta{
      margin-top:40px;
      padding:30px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      background:#eaf2ff;
      border:1px solid #cbdcf6;
      border-radius:18px;
    }
    .download-page-main .final-cta h2{margin:0 0 5px;font-size:24px}
    .download-page-main .final-cta p{margin:0;color:var(--muted)}
    .download-page-main .final-cta .primary-btn{flex:0 0 auto}

    .footer{
      padding:62px 0 22px;
      color:#c9d5e9;
      background:#06172f;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr 1fr 1fr 1fr;
      gap:42px;
    }
    .footer h3,.footer-brand strong{margin:0 0 16px;color:#fff;font-size:17px}
    .footer-brand strong{display:block;font-size:22px}
    .footer p{margin:7px 0;color:#aebbd0;font-size:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#b9c6da;font-size:14px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      margin-top:42px;
      padding-top:20px;
      display:flex;
      justify-content:space-between;
      gap:20px;
      color:#8898b2;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-btns{margin-left:auto}
      .download-page-main .platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-links{width:100%;justify-content:space-between;gap:10px}
      .header-inner{min-height:68px;gap:12px}
      .logo span{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .logo img{width:37px;height:37px}
      .member-link{display:none}
      .account-link{padding:8px 12px}
      .download-page-main .download-hero{padding:64px 0 54px}
      .download-page-main .hero-copy>p{font-size:16px}
      .download-page-main .hero-actions{align-items:stretch;flex-direction:column}
      .download-page-main .trust-strip{grid-template-columns:1fr;margin-top:-18px}
      .download-page-main .trust-item{padding:10px;border-right:0;border-bottom:1px solid var(--line)}
      .download-page-main .trust-item:last-child{border-bottom:0}
      .download-page-main .section{padding:58px 0}
      .download-page-main .platform-grid{grid-template-columns:1fr}
      .download-page-main .platform-card p{min-height:0}
      .download-page-main .steps{grid-template-columns:1fr;gap:32px}
      .download-page-main .steps::before{top:20px;bottom:20px;left:33px;width:2px;height:auto}
      .download-page-main .step-card{padding-left:88px;text-align:left}
      .download-page-main .step-number{position:absolute;top:0;left:0;margin:0}
      .download-page-main .security-panel{padding:26px;grid-template-columns:1fr}
      .download-page-main .final-cta{align-items:stretch;flex-direction:column}
      .footer-grid{grid-template-columns:1fr;gap:30px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:430px){
      .topbar-links{align-items:flex-start;flex-direction:column}
      .account-link{display:none}
      .download-page-main h1{font-size:38px}
      .download-page-main .platform-card{padding:22px}
    }