:root{
      --theme:#0B3D91;
      --ink:#1c2926;
      --muted:#68746d;
      --line:#dce4df;
      --mist:#f4f7f4;
      --white:#fff;
      --moss:#637b62;
      --stone:#56615d;
      --shadow:0 16px 40px rgba(27,48,40,.09);
      --radius:16px;
    }
    *{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:#20312d;color:#dbe5df;font-size:13px}
    .topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topbar-right{display:flex;gap:22px}
    .topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;font-size:19px;color:var(--theme)}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{display:flex;list-style:none;margin:0;padding:0;gap:4px}
    .nav-item{position:relative}
    .nav-link{display:block;padding:25px 13px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"⌄";font-size:12px;margin-left:6px;color:#809087}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% + 1px);left:50%;transform:translateX(-50%) translateY(8px);width:270px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s;z-index:30}
    .mega-menu{width:650px}
    .nav-item:after{content:"";position:absolute;left:0;right:0;top:100%;height:10px}
    .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;transform:translateX(-50%) translateY(0)}
    .menu-title{margin:0 0 12px;color:var(--theme);font-size:12px;font-weight:800;letter-spacing:.08em}
    .menu-list{display:grid;gap:8px}
    .menu-list a{font-size:13px;padding:5px 0;border-bottom:1px solid #edf1ee}
    .menu-list a:hover{color:var(--theme)}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
    .mega-column{min-width:0}
    .broker-mini,.video-mini,.tool-mini,.product-mini{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid #edf1ee;font-size:12px}
    .broker-mini img,.video-mini img,.product-mini img{width:38px;height:30px;object-fit:contain;border-radius:5px;background:#f2f5f3}
    .video-mini img{object-fit:cover}
    .tool-mini img{width:28px;height:28px;object-fit:contain}
    .broker-mini b,.tool-mini b{font-size:12px}
    .mega-footer{display:inline-block;margin-top:13px;color:var(--theme);font-weight:700;font-size:13px}
    .header-btns{display:flex;align-items:center;gap:10px}
    .member-btn,.open-btn{font-size:13px;padding:8px 13px;border-radius:8px}
    .member-btn{color:var(--theme);border:1px solid #bfd0e9}
    .open-btn{background:var(--theme);color:#fff}
    .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{position:fixed;inset:0;background:rgba(13,27,23,.42);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(380px,88vw);height:100vh;background:#fff;z-index:50;transform:translateX(100%);transition:.28s;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:16px;padding:20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--theme)}
    .drawer-head a{margin-left:auto;font-size:13px}
    .drawer-close{border:0;background:#eef3ef;border-radius:50%;width:30px;height:30px;cursor:pointer;font-size:21px;line-height:1}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #edf1ee;background:none;text-align:left;color:var(--ink);cursor:pointer}
    .drawer-group .drawer-toggle:after{content:"＋";float:right;color:var(--muted)}
    .drawer-toggle.active{color:var(--theme)}
    .drawer-toggle.active:after{content:"－"}
    .drawer-submenu{display:none;padding:6px 0 8px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .footer{margin-top:70px;background:#20312d;color:#dbe5df;padding:54px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}
    .footer-brand{font-size:20px;color:#fff;font-weight:800;margin-bottom:13px}
    .footer p{margin:7px 0;color:#aebdb5;font-size:13px}
    .footer h3{font-size:14px;color:#fff;margin:0 0 14px}
    .footer-grid>div>a{display:block;color:#aebdb5;font-size:13px;margin:7px 0}
    .footer-grid>div>a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;color:#91a39a;font-size:12px}
    .about-page{background:linear-gradient(180deg,#f4f7f4 0,#fff 470px)}
    .about-hero{padding:78px 0 58px;text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--moss);font-size:13px;font-weight:800;letter-spacing:.15em}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--moss)}
    .about-hero h1{max-width:780px;margin:18px auto 16px;font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.04em;color:#21342e}
    .about-hero p{max-width:670px;margin:0 auto;color:var(--muted);font-size:17px}
    .about-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center;padding:40px 0 75px}
    .section-kicker{color:var(--theme);font-size:13px;font-weight:800;letter-spacing:.13em;margin-bottom:12px}
    .about-intro h2,.about-values h2,.about-process h2{font-size:34px;line-height:1.25;margin:0 0 18px;color:#20332d}
    .about-intro p{color:var(--muted);margin:0 0 14px}
    .contour-card{position:relative;min-height:330px;overflow:hidden;border-radius:25px;background:#637b62;box-shadow:var(--shadow);isolation:isolate}
    .contour-card:before,.contour-card:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.4);border-radius:48% 52% 45% 55%;transform:rotate(-12deg)}
    .contour-card:before{inset:28px 20px 45px 35px}
    .contour-card:after{inset:68px 50px 18px 75px}
    .contour-card .stone{position:absolute;left:38px;bottom:38px;width:170px;height:92px;border-radius:50%;background:#56615d;box-shadow:55px -28px 0 -16px #71856d,98px 8px 0 -20px #46534f}
    .contour-card .mist{position:absolute;right:34px;top:38px;width:95px;height:95px;border-radius:50%;background:rgba(244,247,244,.78)}
    .contour-card strong{position:absolute;left:28px;top:25px;color:#fff;font-size:13px;letter-spacing:.1em}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
    .value-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 8px 25px rgba(30,55,43,.05)}
    .value-card b{display:block;color:var(--theme);font-size:18px;margin-bottom:7px}
    .value-card p{font-size:14px;color:var(--muted);margin:0}
    .about-values{padding:65px 0;background:#eef3ef}
    .about-values> .container>p,.about-process> .container>p{max-width:650px;color:var(--muted)}
    .trust-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
    .trust-item{background:#fff;border-radius:14px;padding:22px;border:1px solid #dce6df}
    .trust-item span{display:block;width:36px;height:36px;border-radius:50%;background:#dfe9df;color:var(--moss);text-align:center;line-height:36px;font-weight:800;margin-bottom:14px}
    .trust-item h3{font-size:16px;margin:0 0 7px}
    .trust-item p{font-size:13px;color:var(--muted);margin:0}
    .about-process{padding:72px 0 15px}
    .process-line{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
    .process-step{position:relative;padding:24px 24px 25px;border-top:3px solid var(--moss);background:#f7f9f7;border-radius:12px}
    .process-step em{font-style:normal;color:var(--theme);font-weight:800;font-size:13px}
    .process-step h3{margin:12px 0 7px;font-size:18px}
    .process-step p{margin:0;color:var(--muted);font-size:14px}
    .about-cta{margin-top:70px;padding:45px 30px;text-align:center;background:#20312d;color:#fff;border-radius:20px}
    .about-cta h2{margin:0 0 10px;font-size:28px}
    .about-cta p{margin:0 auto 22px;color:#c3d1ca}
    .about-cta a{display:inline-block;background:#fff;color:var(--theme);padding:11px 21px;border-radius:8px;font-weight:700;font-size:14px}
    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .about-intro{grid-template-columns:1fr;gap:35px}
    }
    @media(max-width:720px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{height:auto;min-height:36px;padding:7px 0;align-items:flex-start;gap:8px}
      .topbar-right{gap:10px;flex-direction:column;text-align:right}
      .header-inner{height:68px;gap:10px}
      .header-btns{margin-left:auto}
      .member-btn{display:none}
      .logo{font-size:16px}
      .logo img{width:29px;height:29px}
      .open-btn{font-size:12px;padding:7px 10px}
      .about-hero{padding:55px 0 40px}
      .about-hero h1{font-size:39px}
      .about-hero p{font-size:15px}
      .value-grid,.trust-list,.process-line{grid-template-columns:1fr}
      .about-intro h2,.about-values h2,.about-process h2{font-size:28px}
      .contour-card{min-height:260px}
      .footer{margin-top:45px;padding-top:40px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:5px}
    }