:root{
      --theme:#0B3D91;
      --ink:#14213d;
      --muted:#64748b;
      --line:#dbe4f0;
      --soft:#f4f8fc;
      --white:#fff;
      --accent:#13a6a6;
      --shadow:0 16px 45px rgba(20,55,100,.11);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#fff;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{background:#092d6d;color:#dbeafe;font-size:13px}
    .topbar .container{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-links{display:flex;gap:20px}
    .topbar a:hover{color:#fff}

    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #e6edf5}
    .header-inner{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;color:var(--theme);font-weight:800;white-space:nowrap}
    .logo img{width:38px;height:38px;object-fit:contain}
    .logo span{font-size:19px;letter-spacing:-.02em}
    .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:block;padding:27px 13px;font-size:14px;font-weight:700;color:#30415e;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"▾";font-size:10px;margin-left:6px;color:#8ca0bd}
    .dropdown-panel,.mega-menu{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%) translateY(8px);width:300px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s ease}
    .mega-menu{width:620px}
    .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;height:12px;top:-12px}
    .panel-title{margin:0 0 14px;color:var(--theme);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
    .panel-list{display:grid;gap:8px}
    .panel-list a{font-size:14px;padding:7px 0;border-bottom:1px solid #edf2f7}
    .panel-list a:hover,.mega-card:hover strong{color:var(--accent)}
    .mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{display:grid;grid-template-columns:42px 1fr;gap:8px;padding:10px;border:1px solid #e6edf5;border-radius:12px}
    .mega-card img{width:42px;height:42px;border-radius:9px;object-fit:cover;background:var(--soft)}
    .mega-card strong{font-size:13px;line-height:1.3}
    .mega-card small{grid-column:2;color:var(--muted);font-size:11px;line-height:1.4}
    .mega-footer{display:block;margin-top:16px;color:var(--theme);font-size:13px;font-weight:800}
    .header-btns{display:flex;align-items:center;gap:9px}
    .member-btn,.account-btn{border-radius:9px;padding:9px 13px;font-size:13px;font-weight:800}
    .member-btn{color:var(--theme);border:1px solid #c8d7ee}
    .account-btn{background:var(--theme);color:#fff}
    .hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}
    .hamburger span{display:block;width:23px;height:2px;margin:5px 0;background:var(--ink);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(5,24,55,.48);z-index:40;opacity:0;visibility:hidden;transition:.2s}
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(380px,88vw);background:#fff;z-index:50;transform:translateX(100%);transition:.25s ease;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--line);color:var(--theme);font-weight:800}
    .drawer-head>a{margin-left:auto;background:var(--theme);color:#fff;padding:7px 10px;border-radius:8px;font-size:12px}
    .drawer-close{border:0;background:transparent;font-size:28px;line-height:1;color:var(--ink);cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid #edf2f7;background:none;text-align:left;color:var(--ink);font:inherit;font-weight:700;cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:5px 0 8px 14px}
    .drawer-submenu.open{display:block}
    .drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}

    .tag-index-page{background:linear-gradient(180deg,#f5f9fe 0,#fff 46%)}
    .tag-hero{padding:92px 0 55px;text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #cbdcf2;border-radius:999px;background:#fff;color:var(--theme);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
    .tag-hero h1{max-width:760px;margin:20px auto 14px;color:var(--ink);font-size:clamp(36px,5vw,64px);line-height:1.08;letter-spacing:-.05em}
    .tag-hero p{max-width:650px;margin:0 auto;color:var(--muted);font-size:17px}
    .tag-board{padding:20px 0 105px}
    .tag-panel{padding:34px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.88);box-shadow:var(--shadow)}
    .tag-panel-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .tag-panel h2{margin:0;font-size:25px;letter-spacing:-.03em}
    .tag-panel-head p{margin:0;color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:13px}
    .tag-chip{display:inline-flex;align-items:center;gap:8px;padding:13px 18px;border:1px solid #ccdaec;border-radius:999px;background:#fff;color:var(--theme);font-weight:750;box-shadow:0 6px 17px rgba(11,61,145,.06);transition:.2s}
    .tag-chip:hover{background:var(--theme);border-color:var(--theme);color:#fff;transform:translateY(-3px)}
    .tag-chip:nth-child(3n){color:#087f82;font-size:18px}
    .tag-chip:nth-child(4n){background:#edf7f7;color:#087f82;font-size:15px}
    .tag-chip:nth-child(5n){font-size:20px}
    .tag-count{font-size:11px;color:var(--muted);font-weight:600}
    .tag-chip:hover .tag-count{color:#d7ffff}
    .tag-note{display:flex;align-items:center;justify-content:center;gap:10px;margin:30px 0 0;color:var(--muted);font-size:13px;text-align:center}
    .tag-note strong{color:var(--theme)}

    .footer{background:#081b3b;color:#cbd8eb}
    .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:42px;padding:58px 0 42px}
    .footer-brand strong{display:block;color:#fff;font-size:20px;margin-bottom:13px}
    .footer p{margin:0 0 13px;font-size:13px;line-height:1.7}
    .footer-col h3{margin:0 0 15px;color:#fff;font-size:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{font-size:13px;color:#b7c8df}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(255,255,255,.13);font-size:12px;color:#91a7c6}

    @media(max-width:1050px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
    }
    @media(max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{align-items:flex-start;flex-direction:column;gap:3px;padding:9px 0}
      .topbar-links{gap:12px;flex-wrap:wrap}
      .header-inner{height:68px;gap:10px}
      .member-btn{display:none}
      .account-btn{font-size:12px;padding:8px 10px}
      .tag-hero{padding:62px 0 38px}
      .tag-hero h1{font-size:42px}
      .tag-hero p{font-size:15px}
      .tag-panel{padding:22px 16px}
      .tag-panel-head{display:block;margin-bottom:22px}
      .tag-panel-head p{margin-top:6px}
      .tag-chip{padding:10px 13px;font-size:13px!important}
      .footer-main{grid-template-columns:1fr 1fr;gap:28px;padding:42px 0 30px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:430px){
      .footer-main{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }