:root{
      --theme:#0B3D91;
      --theme-dark:#072b69;
      --theme-soft:#eaf1fc;
      --accent:#b98543;
      --ink:#172033;
      --muted:#667085;
      --line:#e5e9f0;
      --paper:#fffdf8;
      --white:#fff;
      --shadow:0 16px 40px rgba(20,34,62,.09);
      --radius:18px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#f7f8fb;
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{color:inherit}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dbe8ff;
      background:#061f4b;
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-contact{display:flex;align-items:center;gap:10px}
    .topbar a{transition:color .2s ease}
    .topbar a:hover{color:#fff}

    .header{
      position:relative;
      z-index:100;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(23,32,51,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:11px;
      min-width:0;
      font-size:20px;
      font-weight:800;
      color:var(--theme);
      white-space:nowrap;
    }
    .logo img{
      width:42px;
      height:42px;
      border-radius:10px;
      object-fit:contain;
      background:#fff;
    }
    .main-nav{align-self:stretch;margin-left:auto}
    .nav-list{
      display:flex;
      align-items:stretch;
      height:100%;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      height:100%;
      padding:0 13px;
      color:#26334b;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-link::after{
      position:absolute;
      right:13px;
      bottom:15px;
      left:13px;
      height:2px;
      content:"";
      background:var(--theme);
      transform:scaleX(0);
      transition:transform .2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .nav-link:hover::after,.nav-item:focus-within>.nav-link::after{transform:scaleX(1)}
    .nav-link.has-arrow{padding-right:27px}
    .nav-link.has-arrow::before{
      position:absolute;
      right:11px;
      top:50%;
      width:6px;
      height:6px;
      content:"";
      border-right:2px solid currentColor;
      border-bottom:2px solid currentColor;
      transform:translateY(-65%) rotate(45deg);
      transition:transform .2s ease;
    }
    .nav-item:hover .nav-link.has-arrow::before,
    .nav-item:focus-within .nav-link.has-arrow::before{
      transform:translateY(-20%) rotate(225deg);
    }

    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      right:0;
      z-index:120;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(10px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      background:#fff;
      box-shadow:0 24px 55px rgba(18,34,66,.16);
    }
    .dropdown-panel::before,.mega-menu::before{
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:12px;
      content:"";
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translateY(0);
    }
    .dropdown-panel{width:330px;padding:22px}
    .dropdown-title,.mega-title{
      margin:0 0 13px;
      color:#26334b;
      font-size:14px;
      font-weight:800;
    }
    .dropdown-articles{display:grid;gap:4px}
    .dropdown-articles a{
      overflow:hidden;
      padding:9px 0;
      color:#536079;
      border-bottom:1px dashed var(--line);
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-articles a:hover{color:var(--theme)}
    .dropdown-more{
      display:inline-flex;
      margin-top:15px;
      color:var(--theme);
      font-weight:800;
    }

    .mega-menu{
      right:-180px;
      width:min(880px,calc(100vw - 48px));
      padding:24px 24px 0;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      padding:13px;
      border:1px solid var(--line);
      border-radius:12px;
      background:#fbfcff;
      transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      border-color:#b6c8e8;
      transform:translateY(-2px);
      box-shadow:0 9px 20px rgba(11,61,145,.09);
    }
    .mega-card-logo{display:flex;align-items:center;gap:10px;min-width:0}
    .mega-card-logo img{
      width:34px;
      height:34px;
      flex:0 0 auto;
      object-fit:contain;
      border-radius:8px;
      background:#fff;
    }
    .mega-card-logo strong{
      overflow:hidden;
      color:#26334b;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card p{
      display:-webkit-box;
      overflow:hidden;
      margin:8px 0 0;
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .mega-card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:5px 10px;
      margin-top:8px;
      color:#6f7890;
      font-size:11px;
    }
    .mega-card-meta b{color:var(--theme)}
    .mega-layout{
      display:grid;
      grid-template-columns:180px minmax(0,1fr);
      gap:22px;
    }
    .mega-categories{
      padding-right:20px;
      border-right:1px solid var(--line);
    }
    .mega-categories a{
      display:block;
      padding:8px 10px;
      color:#536079;
      border-radius:8px;
      font-size:13px;
    }
    .mega-categories a:hover{color:var(--theme);background:var(--theme-soft)}
    .mega-footer{
      display:flex;
      justify-content:center;
      margin:22px -24px 0;
      padding:13px 20px;
      color:var(--theme);
      background:#f2f6fc;
      border-radius:0 0 18px 18px;
      font-size:13px;
      font-weight:800;
    }
    .mega-video-cover,.mega-product-cover{
      width:100%;
      height:76px;
      margin-bottom:8px;
      border-radius:8px;
      object-fit:cover;
      background:#eef2f7;
    }
    .mega-video-title,.mega-product-title{
      display:block;
      overflow:hidden;
      color:#26334b;
      font-size:13px;
      font-weight:800;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-tool-icon{object-fit:contain}

    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .header-member{font-size:14px}
    .header-open{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 18px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-size:14px;
      font-weight:800;
      box-shadow:0 8px 18px rgba(11,61,145,.2);
    }
    .header-open:hover{background:var(--theme-dark)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:10px;
      border:0;
      border-radius:10px;
      background:var(--theme-soft);
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      width:100%;
      height:2px;
      margin:4px 0;
      background:var(--theme);
      transition:transform .2s ease,opacity .2s ease;
    }
    .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;
      z-index:999;
      visibility:hidden;
      opacity:0;
      background:rgba(6,18,40,.58);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:1000;
      width:min(390px,88vw);
      height:100vh;
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(8,25,55,.18);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      top:0;
      z-index:2;
      min-height:72px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 18px;
      color:#fff;
      background:var(--theme);
    }
    .drawer-head>a{
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.35);
      border-radius:8px;
      font-weight:700;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      border:0;
      background:transparent;
      font-size:30px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:14px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:50px;
      display:flex;
      align-items:center;
      padding:10px 4px;
      border:0;
      border-bottom:1px solid var(--line);
      background:transparent;
      color:#26334b;
      font-weight:800;
      text-align:left;
      cursor:pointer;
    }
    .drawer-toggle{position:relative}
    .drawer-toggle::after{
      position:absolute;
      right:6px;
      width:8px;
      height:8px;
      content:"";
      border-right:2px solid var(--theme);
      border-bottom:2px solid var(--theme);
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .drawer-toggle.active::after{transform:rotate(225deg)}
    .drawer-submenu{
      display:none;
      padding:7px 0 10px 14px;
      background:#f8faff;
      border-radius:0 0 10px 10px;
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:9px 10px;
      color:#5b667c;
      font-size:14px;
      border-bottom:1px dashed #e5e9f0;
    }
    .drawer-submenu a:last-child{border-bottom:0}

    .tag-index-page{min-height:620px}
    .tag-index-page .tag-hero{
      position:relative;
      overflow:hidden;
      padding:76px 0 68px;
      color:#fff;
      background:
        radial-gradient(circle at 16% 20%,rgba(185,133,67,.34),transparent 27%),
        radial-gradient(circle at 84% 30%,rgba(71,125,218,.35),transparent 29%),
        linear-gradient(135deg,#061d46 0%,#0B3D91 58%,#06265f 100%);
    }
    .tag-index-page .tag-hero::before,
    .tag-index-page .tag-hero::after{
      position:absolute;
      content:"";
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
    }
    .tag-index-page .tag-hero::before{
      width:360px;
      height:360px;
      top:-190px;
      right:7%;
    }
    .tag-index-page .tag-hero::after{
      width:220px;
      height:220px;
      bottom:-140px;
      left:8%;
    }
    .tag-index-page .tag-breadcrumb{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:center;
      gap:8px;
      margin-bottom:18px;
      color:#c9d9f6;
      font-size:14px;
    }
    .tag-index-page .tag-breadcrumb a:hover{color:#fff}
    .tag-index-page .tag-hero-content{
      position:relative;
      z-index:1;
      max-width:800px;
      margin:0 auto;
      text-align:center;
    }
    .tag-index-page .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:14px;
      padding:6px 13px;
      color:#f4d7ad;
      border:1px solid rgba(244,215,173,.36);
      border-radius:999px;
      background:rgba(255,255,255,.08);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .tag-index-page .tag-hero h1{
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.15;
      letter-spacing:-.03em;
    }
    .tag-index-page .tag-hero p{
      max-width:680px;
      margin:20px auto 0;
      color:#d9e5fa;
      font-size:17px;
    }
    .tag-index-page .tag-overview{
      position:relative;
      z-index:2;
      margin-top:-30px;
      padding-bottom:76px;
    }
    .tag-index-page .tag-panel{
      padding:34px;
      border:1px solid rgba(11,61,145,.09);
      border-radius:24px;
      background:#fff;
      box-shadow:var(--shadow);
    }
    .tag-index-page .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:25px;
      margin-bottom:28px;
    }
    .tag-index-page .section-kicker{
      display:block;
      margin-bottom:5px;
      color:var(--theme);
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
    }
    .tag-index-page .section-head h2{
      margin:0;
      color:#142039;
      font-size:29px;
      line-height:1.3;
    }
    .tag-index-page .section-head p{
      max-width:540px;
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .tag-index-page .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:center;
      gap:13px;
      padding:28px;
      border:1px solid #e5eaf3;
      border-radius:18px;
      background:
        linear-gradient(rgba(11,61,145,.025) 1px,transparent 1px),
        linear-gradient(90deg,rgba(11,61,145,.025) 1px,transparent 1px),
        #fbfcff;
      background-size:24px 24px;
    }
    .tag-index-page .tag-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:43px;
      padding:9px 16px;
      color:#30415e;
      border:1px solid #dce4f1;
      border-radius:999px;
      background:#fff;
      font-size:14px;
      font-weight:750;
      box-shadow:0 5px 13px rgba(34,57,93,.05);
      transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
    }
    .tag-index-page .tag-chip::before{
      content:"#";
      color:var(--accent);
      font-weight:900;
    }
    .tag-index-page .tag-chip:hover{
      color:#fff;
      border-color:var(--theme);
      background:var(--theme);
      transform:translateY(-3px);
    }
    .tag-index-page .tag-chip:hover::before{color:#f5d5a6}
    .tag-index-page .tag-count{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:24px;
      height:24px;
      padding:0 7px;
      color:#63728c;
      border-radius:999px;
      background:#eef2f8;
      font-size:11px;
    }
    .tag-index-page .tag-chip:hover .tag-count{
      color:var(--theme);
      background:#fff;
    }
    .tag-index-page .tag-guide{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-top:28px;
    }
    .tag-index-page .guide-card{
      padding:22px;
      border:1px solid var(--line);
      border-radius:16px;
      background:var(--paper);
    }
    .tag-index-page .guide-number{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:36px;
      height:36px;
      margin-bottom:13px;
      color:#fff;
      border-radius:10px;
      background:var(--theme);
      font-size:13px;
      font-weight:900;
    }
    .tag-index-page .guide-card h3{
      margin:0 0 7px;
      color:#1b2942;
      font-size:17px;
    }
    .tag-index-page .guide-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .tag-index-page .tag-cta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      margin-top:28px;
      padding:25px 28px;
      color:#fff;
      border-radius:17px;
      background:linear-gradient(120deg,#082e70,#0B3D91);
    }
    .tag-index-page .tag-cta h2{margin:0 0 4px;font-size:21px}
    .tag-index-page .tag-cta p{margin:0;color:#d9e4f7;font-size:14px}
    .tag-index-page .tag-cta-links{display:flex;gap:10px;flex:0 0 auto}
    .tag-index-page .tag-cta a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 17px;
      border:1px solid rgba(255,255,255,.45);
      border-radius:9px;
      font-size:14px;
      font-weight:800;
    }
    .tag-index-page .tag-cta a:first-child{color:var(--theme);background:#fff;border-color:#fff}
    .tag-index-page .tag-cta a:hover{transform:translateY(-1px)}

    .footer{
      color:#c8d3e6;
      background:#071a3a;
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1.15fr;
      gap:46px;
      padding-top:58px;
      padding-bottom:45px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:390px;
      margin:18px 0;
      color:#aebbd0;
      font-size:14px;
    }
    .footer-social a{color:#d7e5ff;font-weight:700}
    .footer h3{
      margin:5px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,.footer-contact{display:grid;gap:10px}
    .footer-links a,.footer-contact a{
      color:#aebbd0;
      font-size:14px;
      overflow-wrap:anywhere;
      transition:color .2s ease;
    }
    .footer-links a:hover,.footer-contact a:hover,.footer-social a:hover{color:#fff}
    .footer-bottom{
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8e9db5;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }
    .footer-bottom-links{display:flex;gap:18px}
    .footer-bottom-links a:hover{color:#fff}

    @media (max-width:1100px){
      .main-nav{display:none}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .hamburger{display:block}
      .footer-main{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
      .footer-main>div:last-child{grid-column:1/-1}
      .footer-contact{grid-template-columns:repeat(3,minmax(0,1fr))}
    }

    @media (max-width:760px){
      .container{width:min(100% - 28px,1200px)}
      .topbar-inner{
        min-height:42px;
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        gap:1px;
        padding:6px 0;
      }
      .topbar-contact{gap:6px;flex-wrap:wrap}
      .logo span{max-width:145px;overflow:hidden;text-overflow:ellipsis}
      .header-member{display:none}
      .header-open{min-height:38px;padding:0 13px}
      .tag-index-page .tag-hero{padding:56px 0 55px}
      .tag-index-page .tag-hero p{font-size:15px}
      .tag-index-page .tag-overview{padding-bottom:54px}
      .tag-index-page .tag-panel{padding:22px 16px;border-radius:19px}
      .tag-index-page .section-head{align-items:flex-start;flex-direction:column;gap:8px}
      .tag-index-page .section-head h2{font-size:24px}
      .tag-index-page .tag-cloud{justify-content:flex-start;padding:18px 12px;gap:9px}
      .tag-index-page .tag-chip{min-height:39px;padding:7px 12px;font-size:13px}
      .tag-index-page .tag-guide{grid-template-columns:1fr}
      .tag-index-page .tag-cta{align-items:flex-start;flex-direction:column;padding:22px}
      .tag-index-page .tag-cta-links{width:100%;flex-wrap:wrap}
      .tag-index-page .tag-cta a{flex:1}
      .footer-main{grid-template-columns:1fr 1fr;gap:30px 20px;padding-top:45px}
      .footer-brand{grid-column:1/-1}
      .footer-main>div:last-child{grid-column:1/-1}
      .footer-contact{grid-template-columns:1fr}
      .footer-bottom{align-items:flex-start;flex-direction:column;padding:18px 0;gap:8px}
    }

    @media (max-width:480px){
      .topbar-welcome{display:none}
      .topbar-contact span{display:none}
      .topbar-contact{display:grid}
      .logo img{width:38px;height:38px}
      .logo span{max-width:105px;font-size:17px}
      .header-btns{gap:6px}
      .header-open{padding:0 11px}
      .hamburger{width:39px;height:39px}
      .tag-index-page .tag-hero h1{font-size:32px}
      .footer-main{grid-template-columns:1fr}
      .footer-brand,.footer-main>div:last-child{grid-column:auto}
    }