:root{
      --brand:#0B3D91;
      --template-theme:{主题色};
      --brand-dark:#07295f;
      --brand-soft:#eaf1ff;
      --accent:#d92d20;
      --ink:#151515;
      --muted:#667085;
      --line:#e4e7ec;
      --surface:#ffffff;
      --ivory:#fffaf0;
      --page:#f6f8fc;
      --success:#12805c;
      --shadow:0 18px 50px rgba(11,61,145,.12);
      --radius:18px;
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--page);
      font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.6;
      overflow-x:hidden;
    }
    body.drawer-lock{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{color:inherit}
    .container{
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
    }

    .topbar{
      color:#fff;
      background:var(--brand-dark);
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-contact{
      display:flex;
      align-items:center;
      gap:18px;
    }
    .topbar a:hover{text-decoration:underline}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 18px rgba(16,24,40,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
      color:var(--brand-dark);
      font-weight:850;
      letter-spacing:-.02em;
    }
    .logo img{
      width:38px;
      height:38px;
      object-fit:contain;
      border-radius:9px;
    }
    .main-nav{
      align-self:stretch;
      flex:1;
    }
    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      justify-content:center;
      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:#344054;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-item:hover>.nav-link,
    .nav-item:focus-within>.nav-link{
      color:var(--brand);
    }
    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      visibility:hidden;
      opacity:0;
      transform:translate(-50%,10px);
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:0 24px 60px rgba(16,24,40,.15);
      transition:opacity .2s ease,transform .2s ease,visibility .2s;
    }
    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-8px;
      height:8px;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      transform:translate(-50%,0);
      pointer-events:auto;
    }
    .dropdown-panel{
      width:340px;
      padding:22px;
    }
    .dropdown-title,
    .mega-title{
      margin:0 0 12px;
      color:var(--brand-dark);
      font-size:18px;
      line-height:1.25;
    }
    .dropdown-list{
      display:grid;
      gap:5px;
    }
    .dropdown-list a{
      padding:9px 10px;
      border-radius:9px;
      color:#344054;
      font-size:14px;
    }
    .dropdown-list a:hover{background:var(--brand-soft);color:var(--brand)}
    .panel-more{
      margin-top:14px;
      display:inline-flex;
      color:var(--brand);
      font-size:14px;
      font-weight:800;
    }
    .mega-menu{
      width:min(960px,calc(100vw - 40px));
      padding:24px;
    }
    .nav-item:nth-last-child(-n+2) .mega-menu{
      left:auto;
      right:0;
      transform:translateY(10px);
    }
    .nav-item:nth-last-child(-n+2):hover>.mega-menu,
    .nav-item:nth-last-child(-n+2):focus-within>.mega-menu{
      transform:translateY(0);
    }
    .mega-grid{
      display:grid;
      grid-template-columns:220px minmax(0,1fr);
      gap:24px;
    }
    .mega-intro{
      padding:20px;
      color:#fff;
      background:linear-gradient(145deg,var(--brand),var(--brand-dark));
      border-radius:14px;
    }
    .mega-intro p{
      margin:0 0 18px;
      color:#dbe8ff;
      font-size:13px;
    }
    .mega-intro .mega-title{color:#fff}
    .mega-intro>a{
      display:inline-flex;
      padding:9px 12px;
      color:var(--brand-dark);
      background:#fff;
      border-radius:8px;
      font-size:13px;
      font-weight:800;
    }
    .mega-cards{
      min-width:0;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      padding:13px;
      display:flex;
      flex-direction:column;
      gap:7px;
      border:1px solid var(--line);
      border-radius:12px;
      transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#b7c9ee;
      box-shadow:0 9px 24px rgba(11,61,145,.09);
    }
    .mega-card>img{
      width:38px;
      height:38px;
      object-fit:contain;
      border-radius:8px;
    }
    .mega-card>img.video-thumb,
    .mega-card>img.product-thumb{
      width:100%;
      height:76px;
      object-fit:cover;
    }
    .mega-card>img.tool-icon{padding:5px;background:var(--brand-soft)}
    .mega-card strong{
      color:#1d2939;
      font-size:13px;
      line-height:1.35;
    }
    .mega-card p{
      margin:0;
      color:var(--muted);
      font-size:11px;
      line-height:1.45;
    }
    .mega-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      color:var(--brand);
      font-size:10px;
      font-weight:750;
    }
    .category-links{
      margin-bottom:18px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .category-links a{
      padding:7px 11px;
      color:var(--brand);
      background:var(--brand-soft);
      border-radius:999px;
      font-size:12px;
      font-weight:750;
    }
    .header-btns{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
    }
    .open-account{
      padding:10px 15px;
      color:#fff;
      background:var(--brand);
      border-radius:10px;
      font-size:13px;
      font-weight:800;
      transition:background .2s ease,transform .2s ease;
    }
    .open-account:hover{background:var(--brand-dark);transform:translateY(-1px)}
    .hamburger{
      width:42px;
      height:42px;
      padding:9px;
      display:none;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      cursor:pointer;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:var(--ink);
      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:90;
      visibility:hidden;
      opacity:0;
      background:rgba(8,15,30,.62);
      backdrop-filter:blur(2px);
      transition:opacity .25s ease,visibility .25s;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:100;
      width:min(390px,92vw);
      overflow-y:auto;
      background:#fff;
      transform:translateX(105%);
      box-shadow:-25px 0 60px rgba(16,24,40,.2);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      padding:14px 18px;
      display:flex;
      align-items:center;
      gap:10px;
      border-bottom:1px solid var(--line);
    }
    .drawer-head>a{
      padding:8px 11px;
      color:#fff;
      background:var(--brand);
      border-radius:8px;
      font-size:13px;
      font-weight:750;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      background:#f2f4f7;
      border:0;
      border-radius:50%;
      font-size:25px;
      cursor:pointer;
    }
    .drawer-menu{padding:15px 18px 30px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      min-height:48px;
      padding:12px 7px;
      display:flex;
      align-items:center;
      text-align:left;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      color:#1d2939;
      font-weight:750;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      margin-left:auto;
      color:var(--brand);
      font-size:20px;
    }
    .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:700px;
      padding:8px 0 12px 14px;
      opacity:1;
    }
    .drawer-submenu a{
      padding:8px 10px;
      display:block;
      color:var(--muted);
      border-left:2px solid #dbe5f8;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--brand);border-left-color:var(--brand)}

    .target-page-main.download-page-main{
      min-width:0;
      overflow:hidden;
    }
    .download-page-main .download-hero{
      position:relative;
      isolation:isolate;
      padding:82px 0 72px;
      color:#fff;
      background:
        radial-gradient(circle at 8% 20%,rgba(255,255,255,.17) 0 3px,transparent 4px),
        radial-gradient(circle at 88% 30%,rgba(217,45,32,.65) 0 90px,transparent 91px),
        linear-gradient(135deg,var(--brand-dark),var(--brand) 65%,#1a59b7);
    }
    .download-page-main .download-hero::before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-1;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.25) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.25) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .download-page-main .hero-kicker{
      margin:0 0 14px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      font-weight:850;
      letter-spacing:.1em;
      text-transform:uppercase;
    }
    .download-page-main .hero-kicker::before{
      content:"";
      width:28px;
      height:3px;
      background:#ff6b5f;
    }
    .download-page-main .download-hero h1{
      max-width:850px;
      margin:0;
      font-size:clamp(40px,7vw,76px);
      line-height:.98;
      letter-spacing:-.055em;
    }
    .download-page-main .download-hero .hero-copy{
      max-width:720px;
      margin:24px 0 0;
      color:#dce8ff;
      font-size:18px;
    }
    .download-page-main .hero-actions{
      margin-top:30px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .download-page-main .primary-action,
    .download-page-main .secondary-action{
      min-height:48px;
      padding:12px 18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      font-weight:850;
    }
    .download-page-main .primary-action{
      color:var(--brand-dark);
      background:#fff;
    }
    .download-page-main .secondary-action{
      color:#fff;
      border:1px solid rgba(255,255,255,.45);
      background:rgba(255,255,255,.08);
    }
    .download-page-main .trust-row{
      margin-top:38px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .download-page-main .trust-row span{
      padding:7px 11px;
      color:#f4f7ff;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      font-size:12px;
      font-weight:750;
    }

    .download-page-main .section{
      padding:78px 0;
    }
    .download-page-main .section-heading{
      max-width:760px;
      margin-bottom:32px;
    }
    .download-page-main .eyebrow{
      margin:0 0 8px;
      color:var(--accent);
      font-size:12px;
      font-weight:900;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .download-page-main .section-heading h2{
      margin:0;
      color:var(--brand-dark);
      font-size:clamp(30px,4vw,46px);
      line-height:1.08;
      letter-spacing:-.035em;
    }
    .download-page-main .section-heading p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:17px;
    }
    .download-page-main .download-panel{
      margin-top:-30px;
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow);
    }
    .download-page-main .panel-content{
      padding:36px;
    }
    .download-page-main .panel-content h2{
      margin:0 0 12px;
      color:var(--brand-dark);
      font-size:30px;
      line-height:1.15;
    }
    .download-page-main .panel-content>p{
      margin:0;
      color:var(--muted);
    }
    .download-page-main .platform-list{
      margin:25px 0 0;
      padding:0;
      display:grid;
      gap:11px;
      list-style:none;
    }
    .download-page-main .platform-list li{
      padding:12px 14px;
      display:flex;
      align-items:center;
      gap:10px;
      background:var(--brand-soft);
      border-radius:10px;
      color:#27405f;
      font-weight:720;
    }
    .download-page-main .platform-list li::before{
      content:"✓";
      width:25px;
      height:25px;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      color:#fff;
      background:var(--success);
      border-radius:50%;
      font-size:13px;
    }
    .download-page-main .access-box{
      padding:36px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      color:#fff;
      background:var(--ink);
    }
    .download-page-main .access-box .access-label{
      color:#ff8b82;
      font-size:12px;
      font-weight:900;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .download-page-main .access-box h3{
      margin:10px 0;
      font-size:27px;
      line-height:1.15;
    }
    .download-page-main .access-box p{
      margin:0 0 22px;
      color:#c8cbd1;
    }
    .download-page-main .access-box a{
      width:fit-content;
      padding:12px 16px;
      color:#fff;
      background:var(--accent);
      border-radius:10px;
      font-weight:850;
    }
    .download-page-main .notice{
      margin-top:16px;
      color:#98a2b3;
      font-size:12px;
    }

    .download-page-main .steps-section{background:var(--ivory)}
    .download-page-main .step-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
      counter-reset:step;
    }
    .download-page-main .step-card{
      position:relative;
      min-width:0;
      padding:28px;
      background:#fff;
      border:1px solid #ede5d6;
      border-radius:16px;
      box-shadow:0 12px 30px rgba(42,31,16,.06);
      counter-increment:step;
    }
    .download-page-main .step-card::before{
      content:"0" counter(step);
      display:block;
      margin-bottom:35px;
      color:var(--accent);
      font-size:30px;
      font-weight:950;
      line-height:1;
    }
    .download-page-main .step-card::after{
      content:"";
      position:absolute;
      top:77px;
      left:28px;
      width:48px;
      height:3px;
      background:var(--ink);
    }
    .download-page-main .step-card h3{
      margin:0 0 9px;
      color:var(--brand-dark);
      font-size:20px;
    }
    .download-page-main .step-card p{margin:0;color:var(--muted)}

    .download-page-main .security-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .download-page-main .security-card{
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:15px;
    }
    .download-page-main .security-icon{
      width:44px;
      height:44px;
      margin-bottom:18px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--brand);
      border-radius:12px;
      font-size:18px;
      font-weight:900;
    }
    .download-page-main .security-card h3{
      margin:0 0 8px;
      color:var(--brand-dark);
      font-size:18px;
    }
    .download-page-main .security-card p{margin:0;color:var(--muted);font-size:14px}

    .download-page-main .faq-section{
      color:#fff;
      background:var(--brand-dark);
    }
    .download-page-main .faq-section .section-heading h2{color:#fff}
    .download-page-main .faq-section .section-heading p{color:#cbd9f2}
    .download-page-main .faq-list{
      max-width:900px;
      display:grid;
      gap:10px;
    }
    .download-page-main .faq-item{
      overflow:hidden;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.14);
      border-radius:12px;
    }
    .download-page-main .faq-question{
      width:100%;
      padding:19px 21px;
      display:flex;
      align-items:center;
      gap:20px;
      color:#fff;
      text-align:left;
      background:transparent;
      border:0;
      font-weight:800;
      cursor:pointer;
    }
    .download-page-main .faq-question::after{
      content:"+";
      margin-left:auto;
      font-size:23px;
    }
    .download-page-main .faq-question.active::after{content:"−"}
    .download-page-main .faq-answer{
      max-height:0;
      overflow:hidden;
      opacity:0;
      transition:max-height .3s ease,opacity .25s ease,padding .25s ease;
    }
    .download-page-main .faq-answer.open{
      max-height:280px;
      padding:0 21px 20px;
      opacity:1;
    }
    .download-page-main .faq-answer p{
      margin:0;
      color:#cbd9f2;
    }
    .download-page-main .final-cta{
      padding:70px 0;
      background:#fff;
    }
    .download-page-main .cta-card{
      padding:45px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      color:#fff;
      background:linear-gradient(120deg,var(--accent),#a91b13);
      border-radius:22px;
      box-shadow:0 20px 45px rgba(217,45,32,.2);
    }
    .download-page-main .cta-card h2{
      margin:0 0 8px;
      font-size:32px;
      line-height:1.1;
    }
    .download-page-main .cta-card p{
      max-width:670px;
      margin:0;
      color:#ffe2df;
    }
    .download-page-main .cta-card a{
      flex:0 0 auto;
      padding:13px 18px;
      color:var(--accent);
      background:#fff;
      border-radius:10px;
      font-weight:900;
    }

    .footer{
      color:#d0d5dd;
      background:#0d1420;
    }
    .footer-main{
      padding:62px 0 42px;
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:40px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:390px;
      margin:18px 0;
      color:#98a2b3;
      font-size:14px;
    }
    .social-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer h3{
      margin:0 0 16px;
      color:#fff;
      font-size:15px;
    }
    .footer-links,
    .footer-contact{
      display:grid;
      gap:9px;
      font-size:14px;
    }
    .footer-links a,
    .footer-contact a{color:#b6bfcc}
    .footer-links a:hover,
    .footer-contact a:hover{color:#fff}
    .footer-bottom{
      min-height:70px;
      padding:18px 0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      border-top:1px solid #253044;
      color:#7f8a9b;
      font-size:13px;
    }
    .footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
    .footer-bottom a:hover{color:#fff}

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .download-page-main .security-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    }

    @media (max-width:760px){
      .container{width:min(100% - 28px,var(--container))}
      .topbar-inner{
        padding:7px 0;
        align-items:flex-start;
        flex-direction:column;
        gap:2px;
      }
      .topbar-contact{gap:10px;flex-wrap:wrap}
      .header-btns>.open-account{display:none}
      .header .logo span{max-width:135px;overflow:hidden;text-overflow:ellipsis}
      .download-page-main .download-hero{padding:58px 0 62px}
      .download-page-main .download-hero .hero-copy{font-size:16px}
      .download-page-main .hero-actions{display:grid}
      .download-page-main .primary-action,
      .download-page-main .secondary-action{width:100%}
      .download-page-main .download-panel{grid-template-columns:1fr}
      .download-page-main .panel-content,
      .download-page-main .access-box{padding:27px}
      .download-page-main .section{padding:58px 0}
      .download-page-main .step-grid,
      .download-page-main .security-grid{grid-template-columns:1fr}
      .download-page-main .cta-card{
        padding:30px 24px;
        align-items:flex-start;
        flex-direction:column;
      }
      .download-page-main .cta-card a{width:100%;text-align:center}
      .footer-main{grid-template-columns:1fr;gap:30px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }

    @media (max-width:420px){
      .header-btns{gap:6px}
      .header-btns>.member-entry{display:none}
      .logo img{width:34px;height:34px}
      .download-page-main .download-hero h1{font-size:42px}
    }