:root{
      --theme:#0B3D91;
      --theme-deep:#08285f;
      --cyan:#16c7d8;
      --ink:#14213d;
      --muted:#667085;
      --soft:#f3f6fb;
      --line:#e4e9f2;
      --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:"PingFang SC","Microsoft YaHei",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:0 auto}

    .topbar{background:#081b3c;color:#dce8ff;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:22px}
    .topbar a{color:#dce8ff;opacity:.9}
    .topbar a:hover{color:#fff}

    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:32px}
    .logo{display:flex;align-items:center;gap:9px;white-space:nowrap;font-weight:800;color:var(--theme);font-size:18px}
    .logo img{width:31px;height:31px;object-fit:contain}
    .logo-mark{width:31px;height:31px;display:grid;place-items:center;border-radius:9px;background:var(--theme);color:#fff;font-size:11px;letter-spacing:-.5px}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:stretch;justify-content:center;gap:4px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;min-height:76px;padding:0 14px;font-size:14px;color:#344054;transition:.2s}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .nav-item:has(.dropdown-panel)>.nav-link:after,.nav-item:has(.mega-menu)>.nav-link:after{content:"";width:6px;height:6px;margin-left:7px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translate(-50%,8px);width:310px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}
    .mega-menu{width:640px}
    .nav-item:after{content:"";position:absolute;left:0;right:0;top:100%;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)}
    .menu-heading{margin:0 0 12px;color:var(--theme);font-size:13px;letter-spacing:.08em}
    .menu-list{list-style:none;padding:0;margin:0}
    .menu-list li+li{border-top:1px solid #eef1f6}
    .menu-list a{display:block;padding:8px 0;color:#475467;font-size:13px}
    .menu-list a:hover{color:var(--theme)}
    .mega-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .broker-mega-card,.video-mega-card{display:flex;gap:10px;align-items:center;padding:9px 0;border-bottom:1px solid #eef1f6}
    .broker-mega-card img,.video-mega-card img{width:38px;height:30px;border-radius:7px;object-fit:cover;background:#edf2fb}
    .video-mega-card img{width:58px;height:36px}
    .mega-title{display:block;font-size:12px;color:#263653}
    .mega-meta{display:block;color:#98a2b3;font-size:10px;line-height:1.45}
    .header-btns{display:flex;align-items:center;gap:15px;white-space:nowrap;font-size:13px}
    .account-link{padding:8px 15px;border-radius:9px;background:var(--theme);color:#fff}
    .hamburger{display:none;border:0;background:transparent;padding:5px;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;margin:4px 0;background:var(--ink);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(7,20,47,.48);opacity:0;visibility:hidden;transition:.25s;z-index:40}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;z-index:50;transform:translateX(100%);transition:.3s;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:15px;padding:20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--theme)}
    .drawer-head>a{margin-left:auto;font-size:13px;padding:7px 12px;background:var(--theme);color:#fff;border-radius:8px}
    .drawer-close{border:0;background:transparent;font-size:28px;line-height:1;color:#667085;cursor:pointer}
    .drawer-menu{padding:10px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;color:#263653;font-size:15px;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{max-height:0;overflow:hidden;padding-left:15px;transition:max-height .3s}
    .drawer-submenu.open{max-height:600px}
    .drawer-submenu a{display:block;padding:9px 0;color:var(--muted);font-size:13px}

    .about-page{background:#fff}
    .about-hero{padding:82px 0 74px;background:linear-gradient(135deg,#eef5ff 0%,#fff 55%,#e9fbfd 100%);border-bottom:1px solid var(--line);text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
    .about-hero h1{max-width:820px;margin:18px auto 16px;font-size:clamp(34px,5vw,62px);line-height:1.17;letter-spacing:-.045em;color:#0c2759}
    .about-hero p{max-width:700px;margin:0 auto;color:var(--muted);font-size:17px}
    .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-height:44px;padding:0 20px;border-radius:10px;font-weight:700;font-size:14px}
    .btn-primary{background:var(--theme);color:#fff;box-shadow:0 10px 22px rgba(11,61,145,.18)}
    .btn-secondary{border:1px solid #b9c8e1;color:var(--theme);background:#fff}

    .about-section{padding:78px 0}
    .section-heading{text-align:center;max-width:700px;margin:0 auto 40px}
    .section-heading h2{margin:10px 0 10px;font-size:32px;line-height:1.25;color:#122b59}
    .section-heading p{margin:0;color:var(--muted)}
    .story-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
    .story-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 30px rgba(20,33,61,.05)}
    .story-card.accent{background:var(--theme);color:#fff;border-color:var(--theme)}
    .story-card h3{margin:0 0 13px;font-size:22px}
    .story-card p{margin:0;color:var(--muted)}
    .story-card.accent p{color:#dce8ff}
    .principles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .principle{padding:27px 24px;border:1px solid var(--line);border-radius:16px;background:var(--soft)}
    .principle-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#d8f8fb;color:#087c92;font-weight:800;margin-bottom:18px}
    .principle h3{margin:0 0 7px;font-size:18px}
    .principle p{margin:0;color:var(--muted);font-size:14px}
    .service-band{background:#081b3c;color:#fff}
    .service-band .section-heading h2{color:#fff}
    .service-band .section-heading p{color:#b9c8e1}
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .service-item{padding:25px 20px;border:1px solid rgba(255,255,255,.16);border-radius:15px;background:rgba(255,255,255,.06)}
    .service-item strong{display:block;margin-bottom:7px;color:#fff}
    .service-item span{display:block;color:#b9c8e1;font-size:13px}
    .trust-strip{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:30px}
    .trust-pill{padding:8px 14px;border:1px solid rgba(255,255,255,.2);border-radius:999px;color:#dce8ff;font-size:13px}
    .cta-section{padding:74px 0;text-align:center}
    .cta-box{padding:45px 25px;border-radius:22px;background:linear-gradient(120deg,#e9f5ff,#effdfe);border:1px solid #d8e8f7}
    .cta-box h2{margin:0 0 10px;color:#122b59;font-size:30px}
    .cta-box p{margin:0 auto 24px;color:var(--muted)}

    .footer{background:#061633;color:#c5d2e8}
    .footer-main{display:grid;grid-template-columns:1.35fr .8fr 1fr .9fr;gap:38px;padding:54px 0 42px}
    .footer-brand>span{display:block;color:#fff;font-size:20px;font-weight:800;margin-bottom:12px}
    .footer-brand p{margin:0;color:#9fb0cb;font-size:13px;max-width:280px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:14px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li+li{margin-top:7px}
    .footer-links a,.footer-contact a,.footer-contact span{font-size:13px;color:#9fb0cb}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact{display:flex;flex-direction:column;gap:7px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
    .footer-bottom-inner{display:flex;justify-content:space-between;gap:20px;padding:17px 0;color:#8193af;font-size:12px}

    @media(max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns>span{display:none}
      .story-grid{grid-template-columns:1fr}
      .service-grid{grid-template-columns:repeat(2,1fr)}
      .footer-main{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:620px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .header-inner{min-height:66px;gap:12px}
      .logo{font-size:15px}
      .about-hero{padding:60px 0}
      .about-hero p{font-size:15px}
      .about-section{padding:56px 0}
      .section-heading h2{font-size:27px}
      .principles,.service-grid{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr;gap:28px;padding:40px 0 30px}
      .footer-bottom-inner{align-items:flex-start;flex-direction:column;gap:5px}
    }