:root{
      --theme:#0B3D91;
      --ink:#10213d;
      --muted:#667085;
      --line:#dfe6f1;
      --soft:#f4f7fb;
      --white:#fff;
      --shadow:0 18px 55px rgba(16,33,61,.10);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","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:#0b1830;color:#d8e4f7;font-size:13px}
    .topbar .container{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:22px}
    .topbar a{color:#d8e4f7}
    .topbar a:hover{color:#fff}

    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #e8edf5}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;font-size:19px;color:var(--ink)}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;align-items:stretch;gap:4px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{height:78px;display:flex;align-items:center;gap:7px;padding:0 14px;font-size:14px;font-weight:600;color:#34445e}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .arrow{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-top:-4px}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 16px 16px;z-index:30}
    .dropdown-panel{width:280px;padding:14px}
    .dropdown-panel>a:not(.mega-footer){display:block;padding:9px 10px;border-radius:8px;font-size:13px}
    .dropdown-panel>a:not(.mega-footer):hover{background:var(--soft);color:var(--theme)}
    .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}
    .mega-menu{width:min(850px,calc(100vw - 40px));padding:25px 26px 0}
    .mega-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:28px}
    .mega-title{margin:0 0 12px;color:var(--theme);font-size:12px;font-weight:800;letter-spacing:.08em}
    .mega-list{display:grid;gap:5px}
    .mega-list a{display:flex;align-items:center;gap:8px;padding:6px 7px;border-radius:7px;color:#43516a;font-size:13px}
    .mega-list a:hover{background:var(--soft);color:var(--theme)}
    .mega-list small{display:block;color:var(--muted);font-size:11px}
    .mega-broker,.mega-video{display:flex;align-items:center;gap:10px;padding:7px;border-radius:9px}
    .mega-broker:hover,.mega-video:hover{background:var(--soft)}
    .mega-broker img,.mega-video img{width:32px;height:32px;object-fit:cover;border-radius:7px;background:#edf2f8}
    .mega-broker strong,.mega-video strong{display:block;font-size:12px}
    .mega-broker small,.mega-video small{display:block;color:var(--muted);font-size:10px}
    .mega-footer{display:block;margin:20px -26px 0;padding:13px 26px;background:#f7f9fc;color:var(--theme);font-size:13px;font-weight:700;border-radius:0 0 16px 16px}
    .mega-footer:hover{background:#edf3fc}
    .header-btns{display:flex;align-items:center;gap:10px}
    .member-entry,.open-account{font-size:13px;font-weight:700}
    .member-entry{color:var(--theme)}
    .open-account{padding:9px 15px;border-radius:8px;color:#fff;background:var(--theme)}
    .hamburger{display:none;border:0;background:transparent;width:40px;height:40px;padding:8px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
    .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{display:none;position:fixed;inset:0;background:rgba(7,20,42,.46);z-index:49}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:-360px;width:min(360px,88vw);height:100vh;overflow:auto;background:#fff;z-index:50;transition:right .25s ease;box-shadow:-12px 0 35px rgba(0,0,0,.15)}
    .mobile-drawer.open{right:0}
    .drawer-head{display:flex;align-items:center;gap:16px;padding:20px;border-bottom:1px solid var(--line);font-weight:700}
    .drawer-head span{margin-right:auto;color:var(--theme)}
    .drawer-head a{font-size:13px;color:var(--theme)}
    .drawer-close{border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer;color:#667085}
    .drawer-menu{padding:10px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf1f6;background:none;text-align:left;color:var(--ink);font-weight:600;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--muted);font-size:20px;font-weight:400}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:4px 0 9px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:13px}

    .about-page{overflow:hidden}
    .about-hero{padding:82px 0 72px;background:linear-gradient(135deg,#f4f8ff 0%,#fff 58%,#edf4ff 100%);border-bottom:1px solid #e4ebf5}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--theme)}
    .about-hero h1{max-width:760px;margin:18px 0 18px;font-size:clamp(36px,5vw,66px);line-height:1.12;letter-spacing:-.04em}
    .about-hero p{max-width:690px;margin:0;color:#53627a;font-size:18px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:9px;border:1px solid var(--theme);font-size:14px;font-weight:700}
    .btn-primary{color:#fff;background:var(--theme)}
    .btn-light{color:var(--theme);background:#fff}
    .about-statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:58px;background:#dce6f5;border:1px solid #dce6f5;border-radius:15px;overflow:hidden}
    .about-stat{padding:22px;background:#fff}
    .about-stat strong{display:block;font-size:29px;line-height:1.2;color:var(--theme)}
    .about-stat span{display:block;margin-top:5px;color:var(--muted);font-size:13px}

    .about-section{padding:82px 0}
    .section-head{max-width:680px;margin-bottom:38px}
    .section-head h2{margin:12px 0;font-size:clamp(28px,4vw,44px);line-height:1.2}
    .section-head p{margin:0;color:var(--muted)}
    .mission-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
    .mission-copy p{color:#58677f}
    .mission-note{margin-top:24px;padding:20px 22px;border-left:4px solid var(--theme);background:#f4f7fc;color:#314563;font-weight:600}
    .principles{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .principle{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(16,33,61,.05)}
    .principle-index{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:#e8f0ff;color:var(--theme);font-weight:800;font-size:13px}
    .principle h3{margin:17px 0 7px;font-size:17px}
    .principle p{margin:0;color:var(--muted);font-size:13px}
    .values-section{background:#f6f8fc}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .value-card{padding:30px;border-radius:var(--radius);background:#fff;border:1px solid #e5eaf2}
    .value-card .value-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--theme);color:#fff;font-weight:800}
    .value-card h3{margin:21px 0 8px}
    .value-card p{margin:0;color:var(--muted);font-size:14px}
    .timeline{position:relative;display:grid;gap:20px;max-width:900px;margin:auto}
    .timeline:before{content:"";position:absolute;left:82px;top:18px;bottom:18px;width:2px;background:#cbd8ec}
    .timeline-item{position:relative;display:grid;grid-template-columns:140px 1fr;gap:28px;align-items:start}
    .timeline-year{position:relative;padding-top:4px;text-align:right;color:var(--theme);font-weight:800}
    .timeline-year:after{content:"";position:absolute;right:-36px;top:10px;width:13px;height:13px;border:3px solid #fff;border-radius:50%;background:var(--theme);box-shadow:0 0 0 2px var(--theme)}
    .timeline-card{padding:21px 24px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .timeline-card h3{margin:0 0 6px;font-size:17px}
    .timeline-card p{margin:0;color:var(--muted);font-size:14px}
    .about-cta{padding:62px 0;background:var(--theme);color:#fff}
    .about-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .about-cta h2{margin:0 0 7px;font-size:clamp(25px,3vw,36px)}
    .about-cta p{margin:0;color:#d9e6fb}
    .about-cta .btn-light{border-color:#fff}

    .footer{background:#0b1830;color:#c9d6e9}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:35px;padding:54px 0 48px}
    .footer .logo{color:#fff}
    .footer-brand p{max-width:280px;color:#91a3bf;font-size:13px}
    .footer h3{margin:3px 0 14px;color:#fff;font-size:14px}
    .footer-links,.footer-contact{display:grid;gap:8px;font-size:13px}
    .footer a:hover{color:#fff}
    .footer-contact a,.footer-contact span,.footer-links a{color:#aabbd2}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:17px 0;color:#8497b2;font-size:12px}

    @media (max-width:900px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .member-entry{display:none}
      .mission-grid{grid-template-columns:1fr;gap:35px}
      .value-grid{grid-template-columns:1fr 1fr}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;padding:8px 0;flex-direction:column;gap:2px}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .header-inner{min-height:66px}
      .open-account{display:none}
      .about-hero{padding:57px 0 48px}
      .about-hero p{font-size:16px}
      .about-statbar{grid-template-columns:1fr 1fr;margin-top:40px}
      .about-stat{padding:16px}
      .about-stat strong{font-size:23px}
      .about-section{padding:58px 0}
      .principles,.value-grid{grid-template-columns:1fr}
      .timeline:before{left:16px}
      .timeline-item{grid-template-columns:1fr;gap:8px;padding-left:42px}
      .timeline-year{text-align:left}
      .timeline-year:after{left:-32px;right:auto}
      .about-cta-inner{display:block}
      .about-cta .btn{margin-top:22px}
      .footer-main{grid-template-columns:1fr;gap:26px;padding:40px 0}
    }