:root{
      --主题色:#0B3D91;
      --深海墨:#07172f;
      --冰川蓝:#eaf5ff;
      --银白:#f7fbff;
      --蓝线:#c9def2;
      --文字:#18324f;
      --浅字:#66809d;
      --圆角:18px;
      --阴影:0 18px 50px rgba(7,39,78,.12);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--银白);color:var(--文字);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:var(--深海墨);color:#c9d9ed;font-size:13px}
    .topbar-inner{height:38px;display:flex;justify-content:space-between;align-items:center;gap:20px}
    .topbar a{color:#e7f3ff}
    .topbar-contact{display:flex;gap:20px;flex-wrap:wrap}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #e3edf6}
    .header-inner{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--深海墨);white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:25px 13px;color:#244361;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--主题色)}
    .has-arrow:after{content:"⌄";font-size:13px;color:#7892ac}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%);width:330px;padding:18px;background:#fff;border:1px solid #deebf6;border-radius:0 0 16px 16px;box-shadow:var(--阴影);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
    .mega-menu{width:760px}
    .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}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
    .panel-title{margin:0 0 12px;color:var(--深海墨);font-size:15px}
    .panel-list{display:grid;gap:8px}
    .panel-list a{display:block;padding:8px 10px;border-radius:9px;background:#f5faff;font-size:13px}
    .panel-list a:hover{background:#e4f1ff;color:var(--主题色)}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .mega-column{min-width:0}
    .mega-card{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:10px;border-bottom:1px solid #edf3f8}
    .mega-card img{width:42px;height:32px;object-fit:contain}
    .mega-card strong{display:block;font-size:13px;color:var(--深海墨)}
    .mega-card small{display:block;color:var(--浅字);font-size:11px;line-height:1.5}
    .mega-footer{display:block;margin-top:14px;padding-top:12px;border-top:1px solid #e8f0f7;color:var(--主题色);font-size:13px}
    .header-btns{display:flex;align-items:center;gap:12px}
    .member-btn{padding:9px 15px;border:1px solid var(--主题色);border-radius:9px;color:var(--主题色);font-size:13px}
    .open-account{padding:10px 16px;border-radius:9px;background:var(--主题色);color:#fff;font-size:13px}
    .hamburger{display:none;width:40px;height:40px;border:1px solid #dbe8f3;border-radius:9px;background:#fff;cursor:pointer}
    .hamburger span{display:block;width:20px;height:2px;margin:4px auto;background:var(--深海墨);transition:.2s}
    .drawer-overlay{position:fixed;inset:0;background:rgba(4,18,38,.45);opacity:0;visibility:hidden;transition:.2s;z-index:40}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:-360px;width:min(360px,90vw);height:100vh;background:#fff;z-index:50;overflow:auto;transition:.25s;padding-bottom:30px}
    .mobile-drawer.open{right:0}
    .drawer-head{height:72px;padding:0 20px;display:flex;align-items:center;gap:13px;border-bottom:1px solid #e4edf5}
    .drawer-head>a{padding:7px 12px;background:var(--主题色);color:#fff;border-radius:7px;font-size:13px}
    .drawer-close{margin-left:auto;border:0;background:none;font-size:28px;color:#56718d;cursor:pointer}
    .drawer-menu{padding:12px 20px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf2f7;background:none;text-align:left;color:var(--深海墨);font-size:15px;cursor:pointer}
    .drawer-toggle:after{content:"＋";float:right;color:#7892ac}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:4px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--浅字);font-size:13px}
    .hero{padding:76px 0 85px;position:relative;overflow:hidden;background:linear-gradient(180deg,#f8fcff 0%,#e9f5ff 100%)}
    .hero:before{content:"";position:absolute;width:560px;height:560px;left:50%;top:-280px;transform:translateX(-50%);border-radius:50%;background:rgba(164,214,249,.18);filter:blur(3px)}
    .hero-intro{position:relative;text-align:center;max-width:780px;margin:auto}
    .brand-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--主题色);font-size:14px;font-weight:700;letter-spacing:.16em}
    .brand-kicker:before,.brand-kicker:after{content:"";width:28px;height:1px;background:#7daed8}
    .hero h1{margin:20px 0 12px;color:var(--深海墨);font-size:clamp(36px,6vw,68px);line-height:1.15;letter-spacing:-.04em}
    .hero-subtitle{margin:0 auto;color:#5a7490;font-size:17px;max-width:650px}
    .hero-actions{display:flex;justify-content:center;gap:12px;margin-top:28px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-width:132px;padding:12px 22px;border-radius:10px;font-size:14px;font-weight:700}
    .btn-primary{background:var(--主题色);color:#fff;box-shadow:0 8px 20px rgba(11,61,145,.2)}
    .btn-light{background:#fff;color:var(--主题色);border:1px solid #c6dcef}
    .hero-stage{position:relative;margin:76px auto 0;max-width:1030px}
    .visual-panel{min-height:245px;border-radius:26px;padding:30px;background:linear-gradient(135deg,#0b3d91,#09264d 70%,#07172f);box-shadow:0 28px 60px rgba(7,39,78,.23);color:#fff;display:grid;grid-template-columns:1.1fr .9fr;gap:25px;align-items:center}
    .visual-copy small{color:#a9d8ff;letter-spacing:.12em}
    .visual-copy h2{margin:8px 0 10px;font-size:30px;line-height:1.25}
    .visual-copy p{margin:0;color:#c3d9ee;font-size:14px}
    .market-screen{padding:18px;border:1px solid rgba(184,220,250,.35);border-radius:16px;background:rgba(255,255,255,.08)}
    .screen-head{display:flex;justify-content:space-between;color:#b9d9f3;font-size:12px;margin-bottom:15px}
    .chart{height:105px;display:flex;align-items:flex-end;gap:7px;border-bottom:1px solid rgba(255,255,255,.23)}
    .chart i{display:block;flex:1;border-radius:5px 5px 0 0;background:linear-gradient(#8dd5ff,#3f91df);min-height:18px}
    .chart i:nth-child(1){height:34%}.chart i:nth-child(2){height:48%}.chart i:nth-child(3){height:41%}.chart i:nth-child(4){height:66%}.chart i:nth-child(5){height:58%}.chart i:nth-child(6){height:82%}.chart i:nth-child(7){height:74%}.chart i:nth-child(8){height:94%}
    .screen-stats{display:flex;justify-content:space-between;margin-top:13px;color:#dceeff;font-size:12px}
    .float-card{position:absolute;width:190px;padding:15px;background:rgba(255,255,255,.95);border:1px solid #d5e7f6;border-radius:15px;box-shadow:0 14px 35px rgba(11,61,145,.14)}
    .float-card strong{display:block;color:var(--深海墨);font-size:18px}
    .float-card span{color:var(--浅字);font-size:12px}
    .float-card:nth-child(2){left:-22px;top:18px}.float-card:nth-child(3){right:-22px;top:30px}.float-card:nth-child(4){left:55px;bottom:-35px}.float-card:nth-child(5){right:58px;bottom:-35px}
    .section{padding:85px 0}
    .section-soft{background:#eef7fd}
    .section-head{text-align:center;margin-bottom:35px}
    .section-head span{color:var(--主题色);font-size:13px;font-weight:700;letter-spacing:.12em}
    .section-head h2{margin:8px 0;color:var(--深海墨);font-size:32px}
    .section-head p{margin:0;color:var(--浅字)}
    .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 #e0edf7;border-radius:var(--圆角);padding:22px;box-shadow:0 8px 24px rgba(12,57,98,.05)}
    .info-card:hover{transform:translateY(-3px);transition:.2s;box-shadow:var(--阴影)}
    .broker-logo{height:42px;display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}
    .broker-logo img{width:80px;height:38px;object-fit:contain}
    .rating{color:#d18c18;font-size:13px}
    .info-card h3{margin:6px 0;color:var(--深海墨);font-size:18px}
    .info-card p{margin:7px 0;color:var(--浅字);font-size:13px}
    .meta-row{display:flex;justify-content:space-between;gap:10px;padding-top:12px;margin-top:14px;border-top:1px solid #edf3f8;color:#66809d;font-size:12px}
    .text-link{display:inline-block;margin-top:14px;color:var(--主题色);font-size:13px;font-weight:700}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .article-card{overflow:hidden;background:#fff;border:1px solid #e0edf7;border-radius:var(--圆角)}
    .article-card img{width:100%;height:155px;object-fit:cover;background:#dcecf8}
    .article-body{padding:18px}
    .article-label{color:var(--主题色);font-size:12px}
    .article-body h3{margin:7px 0;font-size:17px;color:var(--深海墨)}
    .article-body p{margin:0;color:var(--浅字);font-size:13px}
    .tool-grid{grid-template-columns:repeat(4,1fr)}
    .tool-icon{width:44px;height:44px;object-fit:contain;margin-bottom:12px}
    .product-grid{grid-template-columns:repeat(3,1fr)}
    .product-card img{height:150px;width:100%;object-fit:cover;border-radius:12px;background:#e8f3fb}
    .video-grid{grid-template-columns:repeat(3,1fr)}
    .video-card{position:relative;overflow:hidden;min-height:190px;border-radius:var(--圆角);background:#09264d;color:#fff}
    .video-card img{width:100%;height:190px;object-fit:cover;opacity:.7}
    .video-card-content{position:absolute;inset:auto 0 0;padding:22px;background:linear-gradient(transparent,rgba(3,15,32,.95))}
    .video-card h3{margin:0;font-size:17px}.video-card p{margin:5px 0 0;color:#c9def2;font-size:12px}
    .faq-wrap{max-width:820px;margin:auto}
    .faq{padding:18px 0;border-bottom:1px solid #d7e5f0}
    .faq summary{cursor:pointer;font-weight:700;color:var(--深海墨)}
    .faq p{margin:12px 0 0;color:var(--浅字);font-size:14px}
    .cta{padding:65px 20px;text-align:center;background:var(--深海墨);color:#fff}
    .cta h2{margin:0 0 10px;font-size:30px}.cta p{color:#bdd2e7;margin:0 0 22px}
    .footer{background:#06152b;color:#b6cbe0;padding:55px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:35px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:16px}.footer p{font-size:13px;margin:7px 0}
    .footer a{display:block;margin:8px 0;color:#b6cbe0;font-size:13px}.footer a:hover{color:#fff}
    .footer-brand strong{font-size:20px;color:#fff}.footer-bottom{margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;text-align:center;color:#829bb4}
    @media(max-width:1050px){
      .main-nav{display:none}.hamburger{display:block}.header-btns{margin-left:auto}
      .float-card:nth-child(2){left:0}.float-card:nth-child(3){right:0}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,600px)}.topbar-inner{height:auto;padding:8px 0;display:block}.topbar-contact{gap:10px;margin-top:3px}
      .header-inner{height:68px}.member-btn{display:none}.open-account{display:none}
      .hero{padding:55px 0 70px}.hero h1{font-size:39px}.hero-subtitle{font-size:15px}.hero-stage{margin-top:55px;padding-bottom:90px}
      .visual-panel{grid-template-columns:1fr;min-height:0;padding:22px}.visual-copy h2{font-size:24px}.float-card{width:145px;padding:11px}.float-card strong{font-size:15px}.float-card:nth-child(2){top:15px}.float-card:nth-child(3){top:15px}.float-card:nth-child(4){left:8px;bottom:0}.float-card:nth-child(5){right:8px;bottom:0}
      .section{padding:60px 0}.section-head h2{font-size:26px}.broker-grid,.article-list,.product-grid,.video-grid{grid-template-columns:1fr}.tool-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:430px){.float-card{width:132px}.tool-grid{gap:10px}.info-card{padding:17px}}