:root{
      --primary:#0B3D91;
      --primary-dark:#082b68;
      --ink:#172033;
      --muted:#64748b;
      --line:#dce5f0;
      --soft:#f3f7fc;
      --white:#fff;
      --shadow:0 16px 42px rgba(15,45,90,.10);
      --radius:16px;
    }
    *{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}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#f4f7fb;color:#637083;font-size:13px;border-bottom:1px solid #e7edf5}
    .topbar .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topbar-links{display:flex;gap:20px}
    .topbar a:hover{color:var(--primary)}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #e8edf4}
    .header-inner{min-height:76px;display:flex;align-items:center;gap:34px}
    .logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary);white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}
    .main-nav{flex:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:4px;margin:0;padding:0;list-style:none}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:25px 14px;font-size:15px;color:#334155;white-space:nowrap}
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--primary)}
    .arrow{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
    .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 #e5ebf3;border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s ease}
    .mega-menu{width:min(820px,calc(100vw - 32px))}
    .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)}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
    .dropdown-panel>a,.mega-list a{display:block;padding:8px 10px;border-radius:8px;color:#40516a;font-size:14px}
    .dropdown-panel>a:hover,.mega-list a:hover{background:var(--soft);color:var(--primary)}
    .mega-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px}
    .mega-title{margin:0 0 10px;padding-bottom:8px;border-bottom:1px solid var(--line);font-size:13px;color:var(--primary);font-weight:800}
    .mega-broker,.mega-video{display:flex;align-items:center;gap:9px;padding:8px;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:#eef3f9}
    .mega-broker span,.mega-video span{min-width:0}
    .mega-broker strong,.mega-video strong{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .mega-broker small,.mega-video small{display:block;color:var(--muted);font-size:11px}
    .mega-footer{display:block;margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--primary);font-weight:700}
    .header-btns{display:flex;align-items:center;gap:12px;white-space:nowrap}
    .member-entry{font-size:14px;color:#526176}
    .open-account{padding:9px 16px;border-radius:8px;background:var(--primary);color:#fff;font-size:14px;font-weight:700}
    .open-account:hover{background:var(--primary-dark)}
    .hamburger{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;padding:9px}
    .hamburger span{display:block;height:2px;margin:4px 0;background:var(--primary);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(8,27,58,.42);z-index:40;opacity:0;visibility:hidden;transition:.25s}
    .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:41;transform:translateX(100%);transition:.28s ease;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{height:70px;padding:0 20px;display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line);color:var(--primary);font-weight:800}
    .drawer-head span{flex:1}
    .drawer-head a{font-size:14px}
    .drawer-close{border:0;background:none;font-size:29px;color:#64748b;cursor:pointer}
    .drawer-menu{padding:14px 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;font:inherit;color:#26364d;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--primary);font-size:20px;line-height:1}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{max-height:0;overflow:hidden;padding-left:14px;transition:max-height .25s ease}
    .drawer-submenu.open{max-height:520px}
    .drawer-submenu a{display:block;padding:8px 0;color:#66758a;font-size:14px}
    .footer{margin-top:70px;background:#0d1d36;color:#c7d2e2}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:52px 0 44px}
    .footer .logo{color:#fff}
    .footer-brand p{max-width:285px;margin:18px 0 0;color:#91a3bb;font-size:14px}
    .footer h3{margin:0 0 15px;color:#fff;font-size:15px}
    .footer-links,.footer-contact{display:grid;gap:8px;font-size:14px;color:#9fb0c6}
    .footer a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:17px 0;color:#8395ad;font-size:13px}
    .tag-index-page{background:linear-gradient(180deg,#f7faff 0,#fff 430px)}
    .tag-hero{padding:72px 0 48px;text-align:center}
    .tag-hero .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.12em}
    .tag-hero .eyebrow:before{content:"";width:28px;height:2px;background:var(--primary)}
    .tag-hero h1{margin:14px 0 12px;font-size:clamp(32px,5vw,56px);line-height:1.18;color:#142746;letter-spacing:-.04em}
    .tag-hero p{max-width:620px;margin:0 auto;color:var(--muted);font-size:16px}
    .tag-board{padding-bottom:60px}
    .tag-board-inner{padding:34px;border:1px solid #e2eaf4;border-radius:22px;background:rgba(255,255,255,.9);box-shadow:var(--shadow)}
    .tag-board-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
    .tag-board-head h2{margin:0;font-size:22px;color:#1e3355}
    .tag-board-head span{font-size:13px;color:var(--muted)}
    .tag-cloud{display:flex;align-items:center;justify-content:center;gap:12px 14px;flex-wrap:wrap;padding:24px 8px 30px}
    .tag-chip{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border:1px solid #dce6f2;border-radius:999px;background:#fff;color:#36516f;transition:.2s;box-shadow:0 5px 14px rgba(15,61,120,.05)}
    .tag-chip:hover{color:#fff;border-color:var(--primary);background:var(--primary);transform:translateY(-3px)}
    .tag-chip small{color:#8b9bb0;font-size:11px}
    .tag-chip:hover small{color:#dbeafe}
    .tag-chip:nth-child(3n){font-size:18px;color:var(--primary);font-weight:700}
    .tag-chip:nth-child(4n){font-size:14px}
    .tag-chip:nth-child(5n){background:#f3f7fd}
    .tag-note{display:flex;align-items:center;gap:12px;padding:15px 18px;border-radius:12px;background:#f1f6fc;color:#5d6f85;font-size:14px}
    .tag-note b{color:var(--primary);font-size:18px}
    @media(max-width:1020px){
      .main-nav{display:none}
      .hamburger{display:block}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media(max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{height:auto;min-height:38px;align-items:flex-start;padding:8px 0;gap:5px;flex-direction:column}
      .topbar-links{gap:13px;flex-wrap:wrap}
      .member-entry{display:none}
      .open-account{padding:8px 12px}
      .tag-hero{padding:48px 0 34px}
      .tag-hero h1{font-size:38px}
      .tag-board-inner{padding:22px 16px}
      .tag-board-head{align-items:flex-start;flex-direction:column;gap:6px}
      .tag-cloud{gap:9px}
      .tag-chip{padding:8px 12px;font-size:13px}
      .footer-main{grid-template-columns:1fr;gap:28px;padding:38px 0}
    }