:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#06275f;
      --theme-light:#eaf2ff;
      --accent:#54e68b;
      --ink:#14213d;
      --muted:#64748b;
      --line:#dbe5f2;
      --surface:#ffffff;
      --soft:#f4f7fb;
      --shadow:0 18px 50px rgba(11,61,145,.12);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.65;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}

    .topbar{
      position:relative;
      z-index:120;
      color:#dceaff;
      background:#061b3c;
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-links{display:flex;align-items:center;gap:20px}
    .topbar a{transition:color .2s ease}
    .topbar a:hover{color:var(--accent)}

    .header{
      position:relative;
      z-index:110;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(15,42,86,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      min-width:180px;
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:var(--theme-dark);
      font-size:20px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{flex:1;align-self:stretch}
    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      align-items:stretch;
      justify-content:center;
      list-style:none;
    }
    .nav-item{position:relative;display:flex;align-items:center}
    .nav-link{
      height:100%;
      padding:0 14px;
      display:flex;
      align-items:center;
      gap:6px;
      color:#263752;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
      transition:color .2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
      transition:transform .2s ease;
    }
    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after{transform:rotate(225deg) translate(-1px,-1px)}
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:130;
      opacity:0;
      visibility:hidden;
      pointer-events:none;
      transform:translate(-50%,12px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:0 24px 60px rgba(5,31,78,.16);
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-12px;
      height:12px;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{
      opacity:1;
      visibility:visible;
      pointer-events:auto;
      transform:translate(-50%,0);
    }
    .dropdown-panel{width:310px;padding:12px}
    .dropdown-panel>a:not(.dropdown-footer){
      display:block;
      padding:10px 12px;
      color:#33445f;
      border-radius:9px;
      font-size:14px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .dropdown-panel>a:not(.dropdown-footer):hover{color:var(--theme);background:var(--theme-light)}
    .dropdown-footer{
      margin-top:8px;
      padding:10px 12px;
      display:block;
      color:var(--theme);
      background:#f4f8ff;
      border-radius:9px;
      font-size:13px;
      font-weight:800;
      text-align:center;
    }
    .mega-menu{
      width:min(760px,calc(100vw - 40px));
      padding:22px;
    }
    .mega-wide{width:min(980px,calc(100vw - 40px))}
    .mega-title{
      margin:0 0 13px;
      color:var(--theme-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .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:flex-start;
      gap:10px;
      border:1px solid #e6edf7;
      border-radius:12px;
      background:#fff;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#a9c6f5;
      box-shadow:0 10px 24px rgba(11,61,145,.09);
    }
    .mega-card img{
      flex:0 0 42px;
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:9px;
      background:#f5f8fc;
    }
    .mega-card>span{min-width:0;display:grid;gap:3px}
    .mega-card strong{
      color:#1f3150;
      font-size:13px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .mega-card span span{
      color:#77859a;
      font-size:11px;
      line-height:1.45;
      display:-webkit-box;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
      overflow:hidden;
    }
    .broker-meta{display:flex!important;flex-wrap:wrap;gap:3px 7px}
    .broker-meta em{font-style:normal;white-space:nowrap}
    .mega-columns{
      display:grid;
      grid-template-columns:200px minmax(0,1fr);
      gap:24px;
    }
    .mega-categories{display:grid;gap:6px}
    .mega-categories a{
      padding:9px 11px;
      color:#40516c;
      background:#f5f8fc;
      border-radius:8px;
      font-size:13px;
      transition:background .2s ease,color .2s ease;
    }
    .mega-categories a:hover{color:var(--theme);background:var(--theme-light)}
    .mega-footer{
      margin-top:16px;
      padding:12px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#eaf2ff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
      border-radius:11px;
      font-size:13px;
      font-weight:700;
    }
    .header-btns{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      white-space:nowrap;
    }
    .header-btns>*>a,
    .header-btns>a:not(.open-account){
      color:var(--theme);
      font-weight:700;
    }
    .open-account{
      padding:10px 18px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-size:14px;
      font-weight:800;
      box-shadow:0 8px 18px rgba(11,61,145,.2);
      transition:transform .2s ease,background .2s ease;
    }
    .open-account:hover{transform:translateY(-1px);background:var(--theme-dark)}
    .hamburger{
      width:42px;
      height:42px;
      padding:9px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      border:1px solid var(--line);
      border-radius:10px;
      color:var(--ink);
      background:#fff;
    }
    .hamburger span{
      width:21px;
      height:2px;
      display:block;
      background:currentColor;
      transition:transform .2s ease,opacity .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:180;
      opacity:0;
      visibility:hidden;
      background:rgba(3,14,36,.62);
      backdrop-filter:blur(3px);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:190;
      width:min(390px,90vw);
      overflow-y:auto;
      transform:translateX(104%);
      background:#fff;
      box-shadow:-20px 0 60px rgba(4,23,58,.2);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:74px;
      padding:14px 18px;
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
    }
    .drawer-head>*>a,.drawer-head>a{color:#fff;font-weight:800}
    .drawer-head>a{
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.35);
      border-radius:8px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      border:0;
      background:transparent;
      font-size:29px;
      line-height:1;
    }
    .drawer-menu{padding:14px 18px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:48px;
      padding:12px 4px;
      display:flex;
      align-items:center;
      color:#253652;
      background:none;
      border:0;
      border-bottom:1px solid #e8edf5;
      font-weight:800;
      text-align:left;
    }
    .drawer-toggle::after{
      content:"+";
      margin-left:auto;
      color:var(--theme);
      font-size:20px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      opacity:0;
      transition:max-height .3s ease,opacity .25s ease,padding .25s ease;
    }
    .drawer-submenu.open{
      max-height:720px;
      padding:7px 0 10px 15px;
      opacity:1;
    }
    .drawer-submenu a{
      padding:8px 10px;
      display:block;
      color:#617089;
      border-left:2px solid #dce7f8;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme);border-left-color:var(--theme)}

    .target-page-main.download-page-main{overflow:hidden;background:#fff}
    .download-page-main .download-hero{
      position:relative;
      padding:86px 0 74px;
      color:#fff;
      background:
        radial-gradient(circle at 20% 20%,rgba(84,230,139,.14),transparent 26%),
        radial-gradient(circle at 82% 10%,rgba(57,139,255,.3),transparent 30%),
        linear-gradient(145deg,#04162f 0%,#072b66 58%,#0b3d91 100%);
    }
    .download-page-main .download-hero::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.22;
      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:42px 42px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .download-page-main .hero-inner{
      position:relative;
      z-index:1;
      max-width:880px;
      margin:0 auto;
      text-align:center;
    }
    .download-page-main .eyebrow{
      margin:0 0 16px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#b9ffcf;
      font-size:14px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .download-page-main .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 18px var(--accent);
    }
    .download-page-main h1{
      margin:0;
      font-size:clamp(34px,5vw,62px);
      line-height:1.14;
      letter-spacing:-.035em;
    }
    .download-page-main .hero-summary{
      max-width:720px;
      margin:22px auto 0;
      color:#d8e7ff;
      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-button,
    .download-page-main .secondary-button{
      min-height:50px;
      padding:12px 22px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:12px;
      font-weight:800;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .download-page-main .primary-button{
      color:#05265c;
      background:var(--accent);
      box-shadow:0 12px 28px rgba(84,230,139,.22);
    }
    .download-page-main .secondary-button{
      color:#fff;
      border:1px solid rgba(255,255,255,.35);
      background:rgba(255,255,255,.08);
    }
    .download-page-main .primary-button:hover,
    .download-page-main .secondary-button:hover{transform:translateY(-2px)}
    .download-page-main .hero-notes{
      margin:34px auto 0;
      padding:0;
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:10px;
      list-style:none;
    }
    .download-page-main .hero-notes li{
      padding:7px 12px;
      color:#dce9ff;
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      background:rgba(5,22,49,.32);
      font-size:13px;
    }
    .download-page-main .section{padding:80px 0}
    .download-page-main .section-soft{background:var(--soft)}
    .download-page-main .section-head{
      max-width:720px;
      margin:0 auto 38px;
      text-align:center;
    }
    .download-page-main .section-kicker{
      margin:0 0 8px;
      color:var(--theme);
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
    }
    .download-page-main .section-head h2{
      margin:0;
      color:#102242;
      font-size:clamp(28px,4vw,42px);
      line-height:1.22;
    }
    .download-page-main .section-head p{margin:14px 0 0;color:var(--muted)}
    .download-page-main .download-panel{
      margin-top:-34px;
      position:relative;
      z-index:3;
      padding:26px;
      display:grid;
      grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);
      gap:20px;
      border:1px solid #d7e5f7;
      border-radius:24px;
      background:#fff;
      box-shadow:var(--shadow);
    }
    .download-page-main .platform-card{
      min-width:0;
      padding:28px;
      border-radius:18px;
      background:linear-gradient(145deg,#f7faff,#eaf2ff);
      border:1px solid #d9e6f8;
    }
    .download-page-main .platform-icon{
      width:58px;
      height:58px;
      display:grid;
      place-items:center;
      color:#fff;
      border-radius:16px;
      background:linear-gradient(135deg,var(--theme),#1874df);
      box-shadow:0 12px 24px rgba(11,61,145,.22);
      font-size:26px;
      font-weight:900;
    }
    .download-page-main .platform-card h2{margin:20px 0 8px;font-size:27px}
    .download-page-main .platform-card p{margin:0;color:var(--muted)}
    .download-page-main .platform-details{
      margin:20px 0 0;
      padding:0;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      list-style:none;
    }
    .download-page-main .platform-details li{
      padding:12px;
      color:#42526d;
      background:#fff;
      border:1px solid #dee8f5;
      border-radius:11px;
      font-size:13px;
    }
    .download-page-main .panel-action{
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      border-radius:18px;
      color:#fff;
      background:linear-gradient(145deg,#071d42,#0b3d91);
    }
    .download-page-main .panel-action strong{font-size:23px}
    .download-page-main .panel-action p{margin:9px 0 20px;color:#cadcff;font-size:14px}
    .download-page-main .panel-action .primary-button{width:100%}
    .download-page-main .panel-action small{margin-top:12px;color:#9fb9df;text-align:center}
    .download-page-main .steps-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .download-page-main .step-card{
      position:relative;
      min-width:0;
      padding:28px 24px;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      box-shadow:0 12px 35px rgba(17,46,92,.06);
    }
    .download-page-main .step-number{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      color:#fff;
      border-radius:50%;
      background:var(--theme);
      box-shadow:0 0 0 7px var(--theme-light);
      font-weight:900;
    }
    .download-page-main .step-card h3{margin:22px 0 8px;font-size:19px}
    .download-page-main .step-card p{margin:0;color:var(--muted);font-size:14px}
    .download-page-main .check-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .download-page-main .check-card{
      min-width:0;
      padding:25px;
      border:1px solid #dce6f4;
      border-radius:17px;
      background:#fff;
    }
    .download-page-main .check-mark{
      width:36px;
      height:36px;
      display:grid;
      place-items:center;
      color:#087d3a;
      border-radius:10px;
      background:#e6faed;
      font-weight:900;
    }
    .download-page-main .check-card h3{margin:16px 0 8px;font-size:18px}
    .download-page-main .check-card p{margin:0;color:var(--muted);font-size:14px}
    .download-page-main .notice{
      margin-top:22px;
      padding:20px 22px;
      display:flex;
      align-items:flex-start;
      gap:14px;
      color:#5d4911;
      border:1px solid #f1dda3;
      border-radius:15px;
      background:#fff9e8;
    }
    .download-page-main .notice strong{display:block;margin-bottom:3px;color:#3d310e}
    .download-page-main .faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
    .download-page-main .faq-item{
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:15px;
      background:#fff;
    }
    .download-page-main .faq-question{
      width:100%;
      padding:19px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#1d2f4d;
      border:0;
      background:#fff;
      font-weight:800;
      text-align:left;
    }
    .download-page-main .faq-question::after{
      content:"+";
      color:var(--theme);
      font-size:24px;
      font-weight:400;
    }
    .download-page-main .faq-answer{
      max-height:0;
      overflow:hidden;
      padding:0 22px;
      color:var(--muted);
      transition:max-height .3s ease,padding .3s ease;
    }
    .download-page-main .faq-answer p{margin:0}
    .download-page-main .faq-item.active .faq-question::after{content:"−"}
    .download-page-main .faq-item.active .faq-answer{max-height:260px;padding:0 22px 20px}
    .download-page-main .final-cta{padding:0 0 80px;background:var(--soft)}
    .download-page-main .cta-box{
      padding:48px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      color:#fff;
      border-radius:24px;
      background:
        radial-gradient(circle at 85% 10%,rgba(84,230,139,.22),transparent 30%),
        linear-gradient(135deg,#061a3b,#0b3d91);
      box-shadow:var(--shadow);
    }
    .download-page-main .cta-box h2{margin:0;font-size:32px}
    .download-page-main .cta-box p{max-width:700px;margin:10px 0 0;color:#cedeff}
    .download-page-main .cta-box .primary-button{flex:0 0 auto}

    .footer{
      padding:62px 0 0;
      color:#c6d4ea;
      background:#06162f;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:42px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{max-width:390px;margin:18px 0;color:#9fb0c8;font-size:14px}
    .social-links{color:#fff}
    .footer h3{margin:7px 0 17px;color:#fff;font-size:16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-contact a{color:#aebed4;transition:color .2s ease}
    .footer-links a:hover,.footer-contact a:hover{color:var(--accent)}
    .footer-contact p{margin:0 0 10px;color:#9fb0c8;font-size:14px}
    .footer-bottom{
      margin-top:48px;
      padding:20px 0;
      display:flex;
      justify-content:space-between;
      gap:20px;
      color:#8093ad;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:12px;
    }

    @media (max-width:1100px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .download-page-main .steps-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,1200px)}
      .topbar .container{padding:8px 0;align-items:flex-start;flex-direction:column;gap:4px}
      .topbar-links{width:100%;gap:8px 16px;flex-wrap:wrap}
      .logo{min-width:0;font-size:17px}
      .logo img{width:37px;height:37px}
      .header-btns{gap:7px}
      .header-btns>*>a,.header-btns>a:not(.open-account){display:none}
      .open-account{padding:9px 13px}
      .download-page-main .download-hero{padding:64px 0 68px}
      .download-page-main .hero-summary{font-size:16px}
      .download-page-main .hero-actions{align-items:stretch;flex-direction:column}
      .download-page-main .primary-button,
      .download-page-main .secondary-button{width:100%}
      .download-page-main .section{padding:60px 0}
      .download-page-main .download-panel{
        margin-top:-25px;
        padding:14px;
        grid-template-columns:1fr;
      }
      .download-page-main .platform-card,.download-page-main .panel-action{padding:22px}
      .download-page-main .platform-details{grid-template-columns:1fr}
      .download-page-main .steps-grid,.download-page-main .check-grid{grid-template-columns:1fr}
      .download-page-main .notice{flex-direction:column}
      .download-page-main .cta-box{padding:32px 24px;align-items:flex-start;flex-direction:column}
      .download-page-main .cta-box h2{font-size:27px}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:420px){
      .open-account{display:none}
      .download-page-main h1{font-size:34px}
    }