:root{
      --brand:#0B3D91;
      --brand-dark:#06265d;
      --brand-light:#eaf1ff;
      --accent:#19d36b;
      --ink:#152033;
      --muted:#667085;
      --line:#e5eaf1;
      --surface:#f5f7fb;
      --white:#fff;
      --shadow:0 18px 50px rgba(11,61,145,.12);
      --radius:18px;
    }
    *{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:1.65}
    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(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{color:#d9e6ff;background:#061d45;font-size:13px}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{display:flex;align-items:center;gap:22px}
    .topbar-contact a{transition:color .2s ease}
    .topbar-contact 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(15,32,59,.04)}
    .header-inner{height:78px;display:flex;align-items:center;gap:26px}
    .logo{display:inline-flex;align-items:center;gap:11px;min-width:0;font-size:20px;font-weight:800;color:var(--brand-dark)}
    .logo img{width:42px;height:42px;object-fit:contain;border-radius:10px}
    .logo span{white-space:nowrap}
    .main-nav{margin-left:auto;height:100%}
    .nav-list{height:100%;display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative;height:100%;display:flex;align-items:center}
    .nav-link{height:100%;display:flex;align-items:center;padding:0 13px;color:#26344a;font-size:15px;font-weight:600;transition:color .2s ease}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--brand)}
    .nav-link.has-arrow::after{content:"";width:6px;height:6px;margin:-4px 0 0 7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
    .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(8,31,70,.16);transition:opacity .2s ease,transform .2s ease,visibility .2s ease}
    .dropdown-panel::before,.mega-menu::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .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:translate(-50%,0);pointer-events:auto}
    .dropdown-panel{width:330px;padding:20px}
    .dropdown-title{margin-bottom:12px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.06em}
    .dropdown-article{display:block;padding:10px 0;border-bottom:1px solid #edf0f5;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .dropdown-article:hover,.dropdown-more:hover{color:var(--brand)}
    .dropdown-more{display:inline-block;margin-top:14px;color:var(--brand);font-size:13px;font-weight:700}
    .mega-menu{width:min(960px,calc(100vw - 40px));padding:24px}
    .mega-brokers{margin-left:110px}
    .mega-video{margin-left:30px}
    .mega-tools{margin-left:-70px}
    .mega-products{margin-left:-180px}
    .mega-top{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}
    .mega-title{font-size:19px;font-weight:800;color:#11223d}
    .mega-note{margin-top:3px;color:var(--muted);font-size:13px}
    .text-link{color:var(--brand);font-size:14px;font-weight:700}
    .mega-grid{display:grid;gap:12px}
    .broker-mega-grid,.tools-mega-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .mega-broker-card,.mega-tool{min-width:0;display:flex;align-items:center;gap:12px;padding:13px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
    .mega-broker-card:hover,.mega-tool:hover,.mega-video-card:hover,.mega-product-card:hover{border-color:#a9c2ed;transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,61,145,.1)}
    .mega-broker-card img,.mega-tool>img{width:42px;height:42px;flex:0 0 42px;object-fit:contain;border-radius:10px;background:#f4f7fb}
    .mega-broker-name{font-size:14px;font-weight:800}
    .mega-broker-rating{color:#d58508;font-size:12px}
    .mega-broker-meta{color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .video-mega-layout,.product-mega-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:22px}
    .mega-categories{display:flex;flex-wrap:wrap;gap:8px}
    .mega-categories a{padding:7px 10px;color:#344054;background:#f4f7fb;border-radius:8px;font-size:13px}
    .mega-categories a:hover{color:#fff;background:var(--brand)}
    .mega-video-grid,.mega-product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .mega-video-card,.mega-product-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:#fff;transition:.2s ease}
    .mega-video-media,.mega-product-media{position:relative;height:92px;overflow:hidden;background:#eef2f7}
    .mega-video-media img,.mega-product-media img{width:100%;height:100%;object-fit:cover}
    .mega-duration{position:absolute;right:7px;bottom:7px;padding:2px 6px;color:#fff;background:rgba(0,0,0,.72);border-radius:4px;font-size:11px}
    .mega-card-body{padding:10px}
    .mega-card-title{margin:0;color:#17243a;font-size:13px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-card-summary{height:36px;margin:5px 0 0;color:var(--muted);font-size:11px;line-height:18px;overflow:hidden}
    .mega-product-meta{margin-top:6px;color:#8791a2;font-size:10px}
    .mega-tool span{min-width:0}
    .mega-tool strong,.mega-tool small{display:block}
    .mega-tool strong{font-size:14px}
    .mega-tool small{margin-top:3px;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-footer{display:block;margin:18px -24px -24px;padding:13px 24px;text-align:right;color:var(--brand);background:#f5f8fd;border-radius:0 0 18px 18px;font-size:13px;font-weight:800}
    .header-btns{display:flex;align-items:center;gap:10px}
    .header-member{white-space:nowrap;font-size:14px}
    .account-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;color:#fff;background:var(--brand);border-radius:9px;font-size:14px;font-weight:800;box-shadow:0 8px 18px rgba(11,61,145,.2)}
    .account-btn:hover{background:var(--brand-dark)}
    .hamburger{display:none;width:42px;height:42px;padding:9px;border:0;background:transparent;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;margin:5px auto;background:#18253b;transition:.25s 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(3,13,31,.58);transition:.25s ease}
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{position:fixed;z-index:100;top:0;right:0;width:min(390px,90vw);height:100vh;overflow-y:auto;background:#fff;box-shadow:-20px 0 50px rgba(0,0,0,.18);transform:translateX(105%);transition:transform .28s ease}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{min-height:72px;display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line)}
    .drawer-head>a{color:#fff;background:var(--brand);padding:8px 14px;border-radius:8px;font-weight:700}
    .drawer-close{margin-left:auto;width:38px;height:38px;border:0;border-radius:50%;background:#f1f4f8;font-size:25px;cursor:pointer}
    .drawer-menu{padding:12px 18px 30px}
    .drawer-link,.drawer-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 4px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;font-size:15px;font-weight:800;cursor:pointer}
    .drawer-toggle::after{content:"+";color:var(--brand);font-size:20px;font-weight:400}
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{display:none;padding:8px 0 8px 14px;border-bottom:1px solid var(--line)}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:9px 6px;color:#526078;font-size:14px}
    .drawer-submenu a:hover{color:var(--brand)}

    .about-page{overflow:hidden;background:#fff}
    .about-page .about-hero{position:relative;padding:88px 0 82px;color:#fff;text-align:center;background:
      radial-gradient(circle at 50% 110%,rgba(35,211,107,.22),transparent 38%),
      linear-gradient(145deg,#031127 0%,#082d68 56%,#0B3D91 100%)}
    .about-page .about-hero::before{content:"";position:absolute;inset:0;opacity:.18;background-image:linear-gradient(rgba(255,255,255,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 1px);background-size:44px 44px}
    .about-page .about-hero-inner{position:relative;z-index:1;max-width:850px;margin:auto}
    .about-page .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border:1px solid rgba(255,255,255,.24);border-radius:999px;color:#bde9ce;background:rgba(255,255,255,.07);font-size:13px;font-weight:800;letter-spacing:.08em}
    .about-page .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent)}
    .about-page .about-hero h1{max-width:780px;margin:20px auto 16px;font-size:clamp(36px,6vw,64px);line-height:1.12;letter-spacing:-.04em}
    .about-page .about-hero p{max-width:720px;margin:0 auto;color:#dbe7fb;font-size:18px}
    .about-page .hero-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:29px}
    .about-page .hero-tags span{padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.1);font-size:13px}
    .about-page .about-nav-wrap{position:relative;z-index:3;margin-top:-28px}
    .about-page .about-nav{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:7px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
    .about-page .about-nav a{padding:10px 17px;border-radius:9px;color:#42516a;font-size:14px;font-weight:700}
    .about-page .about-nav a:hover{color:#fff;background:var(--brand)}
    .about-page .section{padding:88px 0}
    .about-page .section-soft{background:var(--surface)}
    .about-page .section-heading{max-width:740px;margin:0 auto 42px;text-align:center}
    .about-page .section-kicker{display:block;margin-bottom:8px;color:var(--brand);font-size:13px;font-weight:900;letter-spacing:.12em}
    .about-page .section-heading h2{margin:0;color:#10213c;font-size:clamp(28px,4vw,42px);line-height:1.22}
    .about-page .section-heading p{margin:14px 0 0;color:var(--muted);font-size:16px}
    .about-page .mission-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch}
    .about-page .mission-copy,.about-page .principle-panel{padding:38px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 15px 45px rgba(17,38,71,.07)}
    .about-page .mission-copy h2{margin:0 0 18px;font-size:34px;line-height:1.3}
    .about-page .mission-copy p{margin:0 0 15px;color:#5c687a}
    .about-page .mission-quote{margin-top:27px;padding:20px 22px;border-left:4px solid var(--accent);border-radius:0 12px 12px 0;color:#16335e;background:#eef9f3;font-weight:800}
    .about-page .principle-panel{color:#fff;background:linear-gradient(145deg,var(--brand-dark),var(--brand));border-color:transparent}
    .about-page .principle-panel h3{margin:0 0 22px;font-size:22px}
    .about-page .principle-list{display:grid;gap:18px}
    .about-page .principle-item{display:grid;grid-template-columns:38px 1fr;gap:13px}
    .about-page .principle-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;color:#06275a;background:var(--accent);font-weight:900}
    .about-page .principle-item strong{display:block;margin-bottom:2px}
    .about-page .principle-item p{margin:0;color:#ccdcf5;font-size:14px}
    .about-page .service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .about-page .service-card{position:relative;min-height:230px;padding:28px;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#fff;transition:.25s ease}
    .about-page .service-card:hover{transform:translateY(-5px);border-color:#abc3ec;box-shadow:var(--shadow)}
    .about-page .service-number{position:absolute;top:12px;right:20px;color:#edf2fa;font-size:58px;font-weight:900;line-height:1}
    .about-page .service-icon{width:46px;height:46px;display:grid;place-items:center;margin-bottom:22px;border-radius:13px;color:#fff;background:var(--brand);font-size:18px;font-weight:900}
    .about-page .service-card h3{position:relative;margin:0 0 10px;font-size:20px}
    .about-page .service-card p{position:relative;margin:0;color:var(--muted);font-size:14px}
    .about-page .standard-flow{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .about-page .standard-flow::before{content:"";position:absolute;top:27px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--brand),var(--accent))}
    .about-page .flow-item{position:relative;text-align:center}
    .about-page .flow-dot{position:relative;z-index:1;width:56px;height:56px;display:grid;place-items:center;margin:0 auto 18px;border:7px solid #e6eefc;border-radius:50%;color:#fff;background:var(--brand);font-weight:900}
    .about-page .flow-item h3{margin:0 0 8px;font-size:18px}
    .about-page .flow-item p{margin:0;color:var(--muted);font-size:14px}
    .about-page .trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .about-page .trust-card{padding:26px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .about-page .trust-card strong{display:block;color:var(--brand);font-size:17px}
    .about-page .trust-card p{margin:8px 0 0;color:var(--muted);font-size:14px}
    .about-page .risk-panel{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;padding:32px;border:1px solid #f0d7a1;border-radius:20px;background:#fff9ec}
    .about-page .risk-mark{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;color:#6c4500;background:#ffd774;font-size:24px;font-weight:900}
    .about-page .risk-panel h2{margin:0 0 8px;font-size:24px}
    .about-page .risk-panel p{margin:0;color:#6f5b34}
    .about-page .about-cta{padding:0 0 90px}
    .about-page .cta-panel{position:relative;overflow:hidden;padding:50px;text-align:center;color:#fff;border-radius:26px;background:linear-gradient(130deg,#061b40,#0B3D91)}
    .about-page .cta-panel::after{content:"";position:absolute;width:260px;height:260px;right:-90px;bottom:-140px;border:45px solid rgba(25,211,107,.16);border-radius:50%}
    .about-page .cta-panel h2{position:relative;z-index:1;margin:0;font-size:34px}
    .about-page .cta-panel p{position:relative;z-index:1;max-width:670px;margin:12px auto 24px;color:#d9e7ff}
    .about-page .cta-actions{position:relative;z-index:1;display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
    .about-page .cta-actions a{padding:12px 21px;border-radius:10px;font-weight:800}
    .about-page .cta-primary{color:#062650;background:var(--accent)}
    .about-page .cta-secondary{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}

    .footer{color:#cbd6e8;background:#071a36}
    .footer-main{padding:62px 0 44px}
    .footer-grid{display:grid;grid-template-columns:1.65fr 1fr 1fr 1.15fr;gap:42px}
    .footer .logo{color:#fff}
    .footer-brand p{margin:18px 0;color:#aebbd0;font-size:14px}
    .footer-risk{padding:13px;border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#96a7c1;background:rgba(255,255,255,.035);font-size:12px}
    .footer h3{margin:4px 0 18px;color:#fff;font-size:16px}
    .footer-links,.footer-contact{display:grid;gap:10px}
    .footer-links a,.footer-contact a{color:#aebbd0;font-size:14px;transition:color .2s ease}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-social{margin-top:8px;color:#d6e1f2}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
    .footer-bottom-inner{min-height:65px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#8596b0;font-size:13px}
    .footer-bottom a:hover{color:#fff}

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{height:70px}
      .header-btns{margin-left:auto}
      .about-page .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:760px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:3px}
      .topbar-contact{flex-wrap:wrap;gap:3px 14px}
      .header-member{display:none}
      .account-btn{min-height:38px;padding:0 14px}
      .logo{font-size:17px}
      .logo img{width:37px;height:37px}
      .about-page .about-hero{padding:67px 0 65px}
      .about-page .about-hero p{font-size:16px}
      .about-page .about-nav{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto}
      .about-page .about-nav a{white-space:nowrap}
      .about-page .section{padding:68px 0}
      .about-page .mission-panel{grid-template-columns:1fr}
      .about-page .mission-copy,.about-page .principle-panel{padding:26px}
      .about-page .mission-copy h2{font-size:28px}
      .about-page .service-grid,.about-page .trust-grid{grid-template-columns:1fr}
      .about-page .standard-flow{grid-template-columns:1fr;gap:25px}
      .about-page .standard-flow::before{top:12px;bottom:12px;left:27px;right:auto;width:2px;height:auto}
      .about-page .flow-item{display:grid;grid-template-columns:56px 1fr;gap:16px;text-align:left}
      .about-page .flow-dot{margin:0}
      .about-page .flow-item p{grid-column:2}
      .about-page .risk-panel{grid-template-columns:1fr}
      .about-page .cta-panel{padding:38px 22px}
      .about-page .cta-panel h2{font-size:28px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:34px 24px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom-inner{padding:18px 0;align-items:flex-start;flex-direction:column;gap:7px}
    }
    @media (max-width:480px){
      .topbar-contact{display:grid}
      .about-page .service-card{min-height:auto}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }