:root{
      --theme:#0B3D91;
      --ink:#171521;
      --muted:#6c6877;
      --mist:#f5f3f7;
      --purple:#2a203d;
      --purple-deep:#171021;
      --white:#fff;
      --line:rgba(35,27,49,.12);
      --shadow:0 20px 60px rgba(31,18,45,.12);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fbfafc;font-family:"Noto Sans HK","PingFang HK","Microsoft JhengHei",sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#171021;color:#e8e2ed;font-size:13px}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:20px;flex-wrap:wrap}
    .topbar a{color:#f1edf5}
    .header{position:relative;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
    .header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;font-size:19px;letter-spacing:.02em}
    .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;padding:0;margin:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:5px;padding:27px 12px;font-size:14px;font-weight:650;white-space:nowrap}
    .nav-link:hover,.nav-link:focus-visible{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;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 18px 18px}
    .dropdown-panel{width:320px;padding:16px}
    .mega-menu{width:min(900px,calc(100vw - 32px));padding:24px}
    .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}
    .nav-item:after{content:"";position:absolute;left:0;right:0;height:14px;top:100%}
    .dropdown-list,.mega-grid{display:grid;gap:10px}
    .dropdown-list a{display:block;padding:9px 10px;border-radius:10px;font-size:14px}
    .dropdown-list a:hover{background:var(--mist);color:var(--theme)}
    .mega-grid{grid-template-columns:repeat(3,1fr)}
    .mega-card{display:flex;gap:12px;padding:12px;border:1px solid var(--line);border-radius:13px;background:#fff}
    .mega-card:hover{border-color:rgba(11,61,145,.4);background:#f8faff}
    .mega-card img{width:42px;height:42px;border-radius:10px;object-fit:cover;background:var(--mist)}
    .mega-card strong{display:block;font-size:14px;line-height:1.35}
    .mega-card small{display:block;color:var(--muted);font-size:12px;line-height:1.45;margin-top:3px}
    .mega-title{font-size:12px;color:var(--theme);font-weight:800;letter-spacing:.08em;margin:0 0 12px}
    .mega-footer{display:inline-block;margin-top:18px;color:var(--theme);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:12px}
    .member-link{font-size:14px;color:var(--theme);font-weight:700;white-space:nowrap}
    .open-account{border-radius:999px;background:var(--theme);color:#fff;padding:9px 16px;font-size:13px;font-weight:700;white-space:nowrap}
    .hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}
    .hamburger span{display:block;width:23px;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(16,10,25,.5);z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;z-index:50;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.28s ease;overflow:auto;box-shadow:-15px 0 40px rgba(0,0,0,.2)}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:13px;padding:20px;border-bottom:1px solid var(--line);font-weight:800}
    .drawer-head a{margin-left:auto;color:var(--theme);font-size:14px}
    .drawer-close{border:0;background:var(--mist);border-radius:50%;width:32px;height:32px;font-size:22px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;background:none;border-bottom:1px solid var(--line);text-align:left;color:var(--ink);font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px;font-weight:400}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 8px 15px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
    .hero-layout-03{position:relative;min-height:680px;display:grid;place-items:center;overflow:hidden;background:linear-gradient(135deg,rgba(23,16,33,.88),rgba(53,36,76,.6)),url("https://images.unsplash.com/photo-1639762681057-408e52192e55?auto=format&fit=crop&w=2200&q=85") center/cover;color:#fff}
    .hero-layout-03:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 20%,rgba(171,143,224,.35),transparent 32%),radial-gradient(circle at 82% 75%,rgba(11,61,145,.4),transparent 34%);pointer-events:none}
    .hero-layout-03:after{content:"";position:absolute;inset:0;opacity:.2;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:70px 70px;mask-image:linear-gradient(to bottom,transparent,#000 25%,#000 75%,transparent)}
    .hero-panel{position:relative;z-index:1;width:min(740px,calc(100% - 40px));padding:52px 56px 30px;text-align:center;border:1px solid rgba(255,255,255,.27);border-radius:28px;background:rgba(255,255,255,.13);backdrop-filter:blur(18px);box-shadow:0 25px 90px rgba(0,0,0,.28)}
    .hero-kicker{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:6px 13px;color:#eee8f4;font-size:12px;letter-spacing:.08em}
    .hero-kicker i{display:block;width:7px;height:7px;border-radius:50%;background:#bda5e2;box-shadow:0 0 12px #cdb5ed}
    .hero-panel h1{font-size:clamp(36px,6vw,68px);line-height:1.12;letter-spacing:-.04em;margin:22px 0 15px}
    .hero-panel p{max-width:570px;margin:0 auto;color:#eeeaf3;font-size:17px}
    .hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:30px 0 22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 22px;font-size:14px;font-weight:750;transition:.2s}
    .btn-primary{background:#fff;color:var(--purple-deep)}
    .btn-primary:hover{background:#e6dcf1;transform:translateY(-2px)}
    .btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.4)}
    .btn-ghost:hover{background:rgba(255,255,255,.12)}
    .hero-tags{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
    .hero-tags span{padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.1);color:#e4dcea;font-size:12px}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:34px;border-top:1px solid rgba(255,255,255,.2);padding-top:23px}
    .hero-stat{padding:0 12px;border-right:1px solid rgba(255,255,255,.18)}
    .hero-stat:last-child{border-right:0}
    .hero-stat strong{display:block;font-size:22px;color:#fff}
    .hero-stat span{display:block;color:#d5ccde;font-size:12px;margin-top:2px}
    .section{padding:86px 0}
    .section-alt{background:var(--mist)}
    .section-heading{text-align:center;max-width:680px;margin:0 auto 38px}
    .eyebrow{color:var(--theme);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
    .section-heading h2{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:8px 0 12px}
    .section-heading p{color:var(--muted);margin:0}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card,.tool-card,.product-card,.video-card,.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 8px 25px rgba(30,20,45,.04)}
    .feature-card:hover,.tool-card:hover,.product-card:hover,.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);transition:.2s}
    .feature-icon{width:45px;height:45px;display:grid;place-items:center;border-radius:14px;background:#e9effa;color:var(--theme);font-weight:900;margin-bottom:18px}
    .feature-card h3,.tool-card h3,.product-card h3,.video-card h3{font-size:19px;line-height:1.35;margin:0 0 8px}
    .feature-card p,.tool-card p,.product-card p,.video-card p{color:var(--muted);font-size:14px;margin:0}
    .section-link{text-align:center;margin-top:30px}
    .text-link{color:var(--theme);font-weight:750;font-size:14px}
    .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .article-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .article-card img{height:190px;width:100%;object-fit:cover;background:var(--mist)}
    .article-body{padding:20px}
    .article-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-bottom:8px}
    .article-body h3{font-size:18px;line-height:1.4;margin:0 0 8px}
    .article-body p{color:var(--muted);font-size:14px;margin:0 0 14px}
    .tool-grid,.product-grid,.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .tool-card,.product-card,.video-card{display:flex;flex-direction:column}
    .tool-card img{width:50px;height:50px;border-radius:14px;object-fit:cover;margin-bottom:16px}
    .product-card img,.video-card img{width:100%;height:170px;object-fit:cover;border-radius:13px;margin-bottom:17px;background:var(--mist)}
    .card-bottom{margin-top:auto;padding-top:18px}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .faq-card h3{font-size:17px;margin:0 0 7px}
    .faq-card p{font-size:14px;color:var(--muted);margin:0}
    .cta-band{padding:62px 30px;background:linear-gradient(125deg,var(--purple-deep),var(--theme));color:#fff;text-align:center}
    .cta-band h2{font-size:32px;line-height:1.25;margin:0 0 10px}
    .cta-band p{color:#dcd8e8;margin:0 auto 24px}
    .footer{background:#171021;color:#ddd6e6;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}
    .footer-brand .logo{color:#fff;margin-bottom:15px}
    .footer-brand p,.footer-col p{color:#aaa0b5;font-size:13px;margin:0}
    .footer-col h3{color:#fff;font-size:14px;margin:0 0 14px}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-links a{color:#bdb3c6;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;color:#9e93a8;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .mega-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(100% - 28px,600px)}
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:2px}
      .topbar-links{gap:8px 14px}
      .header-inner{height:68px;gap:10px}
      .member-link{display:none}
      .open-account{padding:8px 12px;font-size:12px}
      .hero-layout-03{min-height:620px}
      .hero-panel{padding:34px 20px 24px;border-radius:22px}
      .hero-panel h1{font-size:39px}
      .hero-panel p{font-size:15px}
      .hero-stats{gap:0}
      .hero-stat strong{font-size:18px}
      .hero-stat span{font-size:11px}
      .section{padding:60px 0}
      .feature-grid,.article-grid,.tool-grid,.product-grid,.video-grid,.faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .mega-grid{grid-template-columns:1fr}
    }
    @media(max-width:420px){
      .logo span{font-size:16px}
      .open-account{display:none}
      .footer-grid{grid-template-columns:1fr}
    }