:root{
      --theme:#0B3D91;
      --ink:#162235;
      --muted:#64748b;
      --line:#d9e1eb;
      --soft:#f4f7fa;
      --orange:#ed6b32;
      --orange-dark:#c94f1d;
      --white:#fff;
      --radius:18px;
      --shadow:0 18px 55px rgba(17,35,58,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    img{max-width:100%;display:block}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}
    .topbar{height:36px;background:#f1f4f7;color:#637083;font-size:13px}
    .topbar .container{height:100%;display:flex;justify-content:space-between;align-items:center}
    .topbar-links{display:flex;gap:22px}
    .topbar a:hover{color:var(--theme)}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #edf1f5}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:20px;font-weight:800;color:var(--theme)}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:4px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:27px 13px;color:#334155;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin-top:-4px}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid #e6ebf1;border-radius:0 0 16px 16px;box-shadow:var(--shadow);transition:.2s;z-index:30}
    .dropdown-panel{width:290px;padding:16px}
    .mega-menu{width:760px;padding:22px}
    .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;pointer-events:auto}
    .dropdown-panel a{display:block;padding:9px 10px;border-bottom:1px solid #edf1f5;font-size:14px}
    .dropdown-panel a:last-child{border:0}
    .dropdown-panel a:hover{color:var(--theme);background:#f7faff}
    .mega-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;font-weight:800;color:var(--theme)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .mega-card{display:block;padding:13px;border:1px solid #e6ebf1;border-radius:12px;background:#fff}
    .mega-card:hover{border-color:#a9bfdf;box-shadow:0 8px 20px rgba(11,61,145,.08)}
    .mega-card strong{display:block;font-size:14px;margin-bottom:3px}
    .mega-card small{display:block;color:var(--muted);font-size:12px;line-height:1.5}
    .mega-card img{width:32px;height:32px;object-fit:contain;margin-bottom:7px}
    .mega-footer{display:inline-block;margin-top:16px;color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .member-link{font-size:13px;color:var(--theme)}
    .open-account{padding:10px 16px;background:var(--theme);border-radius:8px;color:#fff;font-size:13px}
    .hamburger{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;padding:9px}
    .hamburger span{display:block;height:2px;background:var(--ink);margin:4px 0;transition:.2s}
    .hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;background:rgba(14,25,40,.45);opacity:0;visibility:hidden;z-index:40;transition:.25s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:-360px;width:min(360px,88vw);height:100vh;background:#fff;z-index:50;overflow:auto;transition:.28s;padding-bottom:24px}
    .mobile-drawer.open{right:0}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--line)}
    .drawer-head>a{margin-left:auto;color:var(--theme);font-size:14px}
    .drawer-close{border:0;background:transparent;font-size:30px;line-height:1;cursor:pointer;color:#64748b}
    .drawer-menu{padding:8px 20px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf1f5;background:none;text-align:left;color:var(--ink);cursor:pointer;font-size:15px}
    .drawer-group .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 8px 16px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:13px}

    .hero{background:#eef2f5;padding:72px 0 76px;overflow:hidden}
    .hero-heading{text-align:center;max-width:800px;margin:0 auto 34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    .hero h1{font-size:clamp(34px,5vw,68px);line-height:1.15;letter-spacing:-.04em;margin:15px 0;color:#162235}
    .hero-heading p{margin:0 auto;color:#5e6c7b;font-size:17px;max-width:690px}
    .compare-stage{position:relative;max-width:1080px;min-height:390px;margin:auto;border:1px solid #cbd5df;border-radius:24px;background:#fff;box-shadow:0 24px 60px rgba(28,43,60,.12);overflow:hidden}
    .compare-panel{position:absolute;inset:0;padding:34px 42px;display:flex;flex-direction:column;justify-content:space-between}
    .compare-before{background:linear-gradient(135deg,#d7dde2,#f8fafb);clip-path:polygon(0 0,50% 0,50% 100%,0 100%)}
    .compare-after{background:linear-gradient(135deg,#fff,#fff5ef);clip-path:polygon(50% 0,100% 0,100% 100%,50% 100%)}
    .compare-panel h2{margin:0;font-size:22px}
    .compare-before h2{color:#526170}
    .compare-after h2{color:var(--orange-dark);text-align:right}
    .compare-panel p{max-width:360px;margin:8px 0;color:#667483;font-size:14px}
    .compare-after p{align-self:flex-end;text-align:right}
    .compare-content{display:flex;align-items:flex-end;justify-content:space-between;gap:18px}
    .compare-card{width:270px;padding:18px;border-radius:16px;background:rgba(255,255,255,.75);border:1px solid rgba(125,142,158,.25)}
    .compare-after .compare-card{background:#fff;border-color:#f0b99f;align-self:flex-end}
    .compare-card strong{display:block;font-size:25px;color:var(--theme);line-height:1.1}
    .compare-after .compare-card strong{color:var(--orange-dark)}
    .compare-card span{font-size:12px;color:#738092}
    .compare-lines{display:grid;gap:10px;margin-top:15px}
    .compare-lines i{display:block;height:8px;border-radius:8px;background:#b9c3cd}
    .compare-after .compare-lines i{background:#f09b72}
    .compare-lines i:nth-child(2){width:78%}
    .compare-lines i:nth-child(3){width:55%}
    .compare-slider{position:absolute;top:0;bottom:0;left:50%;width:4px;transform:translateX(-50%);background:var(--orange);z-index:3;box-shadow:0 0 0 1px rgba(255,255,255,.7)}
    .compare-slider:before{content:"↔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--orange);color:#fff;font-size:22px;font-weight:700;box-shadow:0 5px 18px rgba(201,79,29,.35)}
    .compare-label{position:absolute;bottom:22px;z-index:4;padding:5px 10px;border-radius:20px;background:rgba(255,255,255,.82);font-size:12px;font-weight:700}
    .label-before{left:25px;color:#607080}
    .label-after{right:25px;color:var(--orange-dark)}
    .hero-actions{display:flex;justify-content:center;gap:12px;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:8px;font-size:14px;font-weight:700;border:1px solid transparent}
    .btn-primary{background:var(--theme);color:#fff}
    .btn-primary:hover{background:#092f70}
    .btn-light{background:#fff;border-color:#cbd5e1;color:var(--theme)}
    .btn-orange{background:var(--orange);color:#fff}

    .section{padding:82px 0}
    .section-soft{background:var(--soft)}
    .section-head{text-align:center;max-width:700px;margin:0 auto 34px}
    .section-head h2{font-size:32px;line-height:1.25;margin:0 0 10px}
    .section-head p{margin:0;color:var(--muted)}
    .broker-grid,.tool-grid,.product-grid,.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{background:#fff;border:1px solid #e3e9ef;border-radius:16px;padding:22px;box-shadow:0 8px 25px rgba(30,50,70,.05)}
    .info-card:hover{transform:translateY(-3px);transition:.2s;box-shadow:var(--shadow)}
    .broker-logo,.tool-icon{width:48px;height:48px;object-fit:contain;margin-bottom:14px}
    .info-card h3{margin:0 0 7px;font-size:18px}
    .info-card p{margin:0 0 14px;color:var(--muted);font-size:14px}
    .meta-row{display:flex;flex-wrap:wrap;gap:8px;color:#657487;font-size:12px}
    .meta-row span{padding:4px 8px;background:#f2f5f8;border-radius:5px}
    .card-link{display:inline-block;margin-top:16px;color:var(--theme);font-weight:700;font-size:13px}
    .article-list{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .article-card{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:16px;background:#fff;border:1px solid #e3e9ef;border-radius:16px}
    .article-card img{width:180px;height:130px;object-fit:cover;border-radius:10px;background:#e9eef3}
    .article-card h3{margin:3px 0 8px;font-size:18px}
    .article-card p{margin:0;color:var(--muted);font-size:14px}
    .article-card small{color:#8793a1;font-size:12px}
    .feature-panel{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .feature-item{padding:24px;border-radius:15px;background:#fff;border:1px solid #e1e8ef;text-align:center}
    .feature-item b{display:block;font-size:27px;color:var(--theme);line-height:1.2}
    .feature-item span{color:var(--muted);font-size:13px}
    .faq-list{max-width:850px;margin:0 auto;display:grid;gap:10px}
    .faq-list details{padding:17px 20px;background:#fff;border:1px solid #e2e8f0;border-radius:10px}
    .faq-list summary{cursor:pointer;font-weight:700}
    .faq-list p{margin:12px 0 0;color:var(--muted);font-size:14px}
    .cta{padding:60px 20px;background:var(--theme);color:#fff;text-align:center}
    .cta h2{margin:0 0 10px;font-size:32px}
    .cta p{margin:0 0 24px;color:#dce7f7}
    .cta .btn-light{border:0}
    .footer{background:#101b2b;color:#c7d2e0;padding:54px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:16px}
    .footer-brand{font-size:20px;font-weight:800;color:#fff}
    .footer p{color:#96a6b9;font-size:13px;margin:12px 0}
    .footer a{display:block;color:#aebdcd;font-size:13px;margin:8px 0}
    .footer a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;color:#8191a4;font-size:12px}
    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .mega-menu{display:none}
      .broker-grid,.tool-grid,.product-grid,.video-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:700px){
      .container{width:min(100% - 28px,1200px)}
      .topbar{height:auto;padding:8px 0}
      .topbar .container,.topbar-links{flex-wrap:wrap;gap:6px 14px}
      .header-inner{min-height:68px;gap:10px}
      .member-link,.open-account{display:none}
      .hero{padding:50px 0}
      .hero-heading p{font-size:15px}
      .compare-stage{min-height:430px;border-radius:16px}
      .compare-panel{padding:24px 20px}
      .compare-card{width:190px;padding:13px}
      .compare-card strong{font-size:20px}
      .compare-panel p{font-size:12px;max-width:145px}
      .compare-content{align-items:flex-end}
      .section{padding:58px 0}
      .section-head h2{font-size:27px}
      .broker-grid,.tool-grid,.product-grid,.video-grid,.article-list,.feature-panel{grid-template-columns:1fr}
      .article-card{grid-template-columns:100px 1fr;gap:12px}
      .article-card img{width:100px;height:100px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }