:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#06265d;
      --theme-soft:#eaf2ff;
      --ink:#101828;
      --muted:#667085;
      --line:#e4e7ec;
      --surface:#ffffff;
      --surface-alt:#f7f9fc;
      --success:#087a55;
      --warning:#b54708;
      --radius:18px;
      --shadow:0 18px 45px rgba(15,35,70,.11);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:"Noto Sans Devanagari","Mangal","Nirmala UI",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,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
    .topbar{
      color:#dbe8ff;
      background:#061b3d;
      border-bottom:1px solid rgba(255,255,255,.09);
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-welcome strong{color:#fff}
    .topbar-contact{display:flex;align-items:center;gap:20px}
    .topbar-contact a:hover{color:#fff}
    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);
      box-shadow:0 4px 20px rgba(16,24,40,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:var(--theme-dark);
      font-size:19px;
      font-weight:800;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:11px;
    }
    .main-nav{margin-left:auto}
    .nav-list{
      display:flex;
      align-items:center;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{position:relative}
    .nav-link{
      display:flex;
      align-items:center;
      min-height:78px;
      padding:0 12px;
      color:#344054;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .has-panel>.nav-link:after{
      width:6px;
      height:6px;
      margin-left:7px;
      content:"";
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      visibility:hidden;
      opacity:0;
      transform:translate(-50%,10px);
      transition:.2s ease;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 18px 18px;
      box-shadow:var(--shadow);
      pointer-events:none;
    }
    .dropdown-panel:before,.mega-menu:before{
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:14px;
      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;
      transform:translate(-50%,0);
      pointer-events:auto;
    }
    .dropdown-panel{width:380px;padding:20px}
    .mega-menu{width:min(930px,92vw);padding:22px}
    .panel-head,.mega-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-bottom:16px;
      padding-bottom:12px;
      border-bottom:1px solid var(--line);
    }
    .panel-head strong,.mega-head strong{font-size:17px}
    .panel-head>a,.mega-head>a{
      color:var(--theme);
      font-size:13px;
      font-weight:800;
    }
    .dropdown-articles{display:grid;gap:4px}
    .dropdown-article{
      padding:10px 12px;
      color:#344054;
      border-radius:9px;
      font-size:14px;
    }
    .dropdown-article:hover{color:var(--theme);background:var(--theme-soft)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .mega-card{
      min-width:0;
      display:flex;
      gap:12px;
      padding:13px;
      border:1px solid #edf0f5;
      border-radius:13px;
      background:#fff;
      transition:.2s ease;
    }
    .mega-card:hover{
      border-color:#b8cdf4;
      background:#f8fbff;
      transform:translateY(-2px);
    }
    .mega-card>img{
      width:48px;
      height:48px;
      flex:0 0 48px;
      object-fit:cover;
      border-radius:10px;
      background:#edf3ff;
    }
    .mega-card>span{min-width:0}
    .mega-card strong{
      display:block;
      overflow:hidden;
      color:#1d2939;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card p{
      display:-webkit-box;
      overflow:hidden;
      margin:4px 0 0;
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .mini-meta{
      display:flex;
      flex-wrap:wrap;
      gap:4px 9px;
      margin-top:5px;
      color:#667085;
      font-size:11px;
    }
    .mini-meta b{color:var(--success)}
    .mega-categories{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:16px;
    }
    .mega-categories a{
      padding:6px 11px;
      color:#344054;
      background:#f2f4f7;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
    }
    .mega-categories a:hover{color:#fff;background:var(--theme)}
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .header-btns>a{
      padding:10px 15px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-size:13px;
      font-weight:800;
    }
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      color:inherit;
      background:#f2f4f7;
      border:0;
      border-radius:10px;
    }
    .hamburger span{
      width:20px;
      height:2px;
      display:block;
      background:#1d2939;
      transition:.2s ease;
    }
    .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;
      z-index:80;
      inset:0;
      visibility:hidden;
      opacity:0;
      background:rgba(3,12,28,.62);
      backdrop-filter:blur(3px);
      transition:.25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      z-index:90;
      top:0;
      right:0;
      width:min(390px,92vw);
      height:100%;
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 45px rgba(0,0,0,.18);
      transform:translateX(105%);
      transition:.28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      z-index:2;
      top:0;
      display:flex;
      align-items:center;
      gap:9px;
      min-height:72px;
      padding:14px 18px;
      background:#fff;
      border-bottom:1px solid var(--line);
    }
    .drawer-head>a{
      padding:8px 11px;
      color:#fff;
      background:var(--theme);
      border-radius:8px;
      font-size:13px;
      font-weight:800;
    }
    .drawer-close{
      width:40px;
      height:40px;
      margin-left:auto;
      padding:0;
      color:#344054;
      background:#f2f4f7;
      border:0;
      border-radius:10px;
      font-size:27px;
      line-height:1;
    }
    .drawer-menu{padding:12px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 4px;
      color:#1d2939;
      background:none;
      border:0;
      border-bottom:1px solid #edf0f5;
      text-align:left;
      font-weight:800;
    }
    .drawer-toggle:after{
      width:8px;
      height:8px;
      content:"";
      border-right:2px solid #667085;
      border-bottom:2px solid #667085;
      transform:rotate(45deg);
      transition:.2s ease;
    }
    .drawer-toggle.active:after{transform:rotate(225deg)}
    .drawer-submenu{
      max-height:0;
      display:grid;
      overflow:hidden;
      transition:max-height .3s ease;
    }
    .drawer-submenu.open{max-height:680px}
    .drawer-submenu a{
      padding:11px 14px;
      color:#475467;
      border-left:2px solid #dbe7fb;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme);background:#f8fbff}
    .tool-detail-page{min-width:0;background:var(--surface-alt)}
    .tool-detail-page .tool-hero{
      position:relative;
      overflow:hidden;
      padding:62px 0 54px;
      color:#fff;
      background:
        radial-gradient(circle at 20% 10%,rgba(111,172,255,.35),transparent 34%),
        radial-gradient(circle at 82% 28%,rgba(105,74,255,.25),transparent 30%),
        linear-gradient(135deg,#04152f,#0B3D91 62%,#082657);
    }
    .tool-detail-page .tool-hero:after{
      position:absolute;
      right:-90px;
      bottom:-180px;
      width:440px;
      height:440px;
      content:"";
      border:1px solid rgba(255,255,255,.16);
      border-radius:50%;
      box-shadow:0 0 0 48px rgba(255,255,255,.035),0 0 0 96px rgba(255,255,255,.025);
    }
    .tool-detail-page .breadcrumbs{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:28px;
      color:#cbdcff;
      font-size:13px;
    }
    .tool-detail-page .breadcrumbs a:hover{color:#fff}
    .tool-detail-page .hero-card{
      position:relative;
      z-index:1;
      max-width:860px;
      margin:auto;
      text-align:center;
    }
    .tool-detail-page .tool-icon{
      width:78px;
      height:78px;
      display:grid;
      place-items:center;
      margin:0 auto 20px;
      padding:14px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.24);
      border-radius:22px;
      box-shadow:0 15px 35px rgba(0,0,0,.18);
      backdrop-filter:blur(10px);
    }
    .tool-detail-page .tool-icon img{width:100%;height:100%;object-fit:contain}
    .tool-detail-page .eyebrow{
      display:inline-flex;
      margin-bottom:10px;
      padding:6px 12px;
      color:#e9f2ff;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      letter-spacing:.04em;
    }
    .tool-detail-page h1{
      margin:0;
      font-size:clamp(34px,6vw,64px);
      line-height:1.12;
      letter-spacing:-.03em;
    }
    .tool-detail-page .hero-summary{
      max-width:730px;
      margin:18px auto 0;
      color:#dce8ff;
      font-size:17px;
    }
    .tool-detail-page .hero-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:12px;
      margin-top:26px;
    }
    .tool-detail-page .primary-action,
    .tool-detail-page .secondary-action{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:47px;
      padding:0 20px;
      border-radius:11px;
      font-weight:800;
    }
    .tool-detail-page .primary-action{color:var(--theme-dark);background:#fff}
    .tool-detail-page .secondary-action{
      color:#fff;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.3);
    }
    .tool-detail-page .detail-wrap{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:minmax(0,1fr) 310px;
      gap:26px;
      align-items:start;
      padding-top:38px;
      padding-bottom:70px;
    }
    .tool-detail-page .detail-main{min-width:0;display:grid;gap:24px}
    .tool-detail-page .content-card,
    .tool-detail-page .guide-card,
    .tool-detail-page .notice-card,
    .tool-detail-page .side-card{
      min-width:0;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 10px 28px rgba(16,24,40,.055);
    }
    .tool-detail-page .content-card{padding:30px}
    .tool-detail-page .section-label{
      display:inline-flex;
      margin-bottom:8px;
      color:var(--theme);
      font-size:12px;
      font-weight:900;
      letter-spacing:.07em;
      text-transform:uppercase;
    }
    .tool-detail-page h2{
      margin:0 0 14px;
      color:#172b4d;
      font-size:27px;
      line-height:1.3;
    }
    .tool-detail-page .tool-content{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#344054;
    }
    .tool-detail-page .tool-content img,
    .tool-detail-page .tool-content video,
    .tool-detail-page .tool-content iframe,
    .tool-detail-page .tool-content table{
      max-width:100%;
    }
    .tool-detail-page .tool-content table{
      width:100%;
      border-collapse:collapse;
    }
    .tool-detail-page .tool-content th,
    .tool-detail-page .tool-content td{
      padding:11px;
      border:1px solid var(--line);
      text-align:left;
    }
    .tool-detail-page .tool-content a{color:var(--theme);text-decoration:underline}
    .tool-detail-page .tool-content h2,
    .tool-detail-page .tool-content h3{color:#172b4d}
    .tool-detail-page .guide-card{padding:28px}
    .tool-detail-page .steps{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      margin-top:20px;
    }
    .tool-detail-page .step{
      padding:18px;
      background:#f8fbff;
      border:1px solid #dce8fb;
      border-radius:14px;
    }
    .tool-detail-page .step-number{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      margin-bottom:12px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-weight:900;
    }
    .tool-detail-page .step h3{margin:0 0 7px;font-size:16px}
    .tool-detail-page .step p{margin:0;color:var(--muted);font-size:14px}
    .tool-detail-page .notice-card{
      display:flex;
      gap:15px;
      padding:22px;
      background:#fffaf0;
      border-color:#fedf89;
      box-shadow:none;
    }
    .tool-detail-page .notice-symbol{
      width:38px;
      height:38px;
      flex:0 0 38px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--warning);
      border-radius:50%;
      font-weight:900;
    }
    .tool-detail-page .notice-card h2{margin:0 0 5px;font-size:18px}
    .tool-detail-page .notice-card p{margin:0;color:#7a2e0e;font-size:14px}
    .tool-detail-page .detail-sidebar{
      position:sticky;
      top:24px;
      display:grid;
      gap:18px;
    }
    .tool-detail-page .side-card{padding:22px}
    .tool-detail-page .side-card h2{font-size:19px}
    .tool-detail-page .feature-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .tool-detail-page .feature-list li{
      position:relative;
      padding-left:27px;
      color:#475467;
      font-size:14px;
    }
    .tool-detail-page .feature-list li:before{
      position:absolute;
      top:4px;
      left:0;
      width:18px;
      height:18px;
      display:grid;
      place-items:center;
      content:"✓";
      color:#fff;
      background:var(--success);
      border-radius:50%;
      font-size:11px;
      font-weight:900;
    }
    .tool-detail-page .sidebar-action{
      display:flex;
      justify-content:center;
      margin-top:18px;
      padding:11px 14px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      font-weight:800;
    }
    .tool-detail-page .related-section{
      padding:64px 0 76px;
      background:#fff;
      border-top:1px solid var(--line);
    }
    .tool-detail-page .section-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:24px;
    }
    .tool-detail-page .section-heading p{max-width:610px;margin:7px 0 0;color:var(--muted)}
    .tool-detail-page .section-heading>a{color:var(--theme);font-weight:900}
    .tool-detail-page .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .tool-detail-page .related-tool{
      min-width:0;
      display:flex;
      gap:15px;
      padding:20px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      transition:.2s ease;
    }
    .tool-detail-page .related-tool:hover{
      border-color:#a9c4ee;
      box-shadow:0 14px 28px rgba(11,61,145,.1);
      transform:translateY(-3px);
    }
    .tool-detail-page .related-tool img{
      width:52px;
      height:52px;
      flex:0 0 52px;
      object-fit:contain;
      padding:8px;
      background:var(--theme-soft);
      border-radius:12px;
    }
    .tool-detail-page .related-tool span{min-width:0}
    .tool-detail-page .related-tool strong{display:block;color:#172b4d}
    .tool-detail-page .related-tool p{
      display:-webkit-box;
      overflow:hidden;
      margin:6px 0 0;
      color:var(--muted);
      font-size:14px;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .footer{color:#c9d6ea;background:#07172f}
    .footer-main{padding:58px 0 44px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1.2fr;
      gap:40px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{max-width:360px;margin:18px 0;color:#9fb0c8;font-size:14px}
    .footer-social{margin-top:16px}
    .footer h3{margin:7px 0 18px;color:#fff;font-size:16px}
    .footer-links,.footer-contact{display:grid;gap:10px}
    .footer-links a,.footer-contact a{
      color:#b8c7db;
      font-size:14px;
      transition:.2s ease;
    }
    .footer-links a:hover,.footer-contact a:hover{color:#fff;transform:translateX(2px)}
    .footer-contact span{color:#91a3bd;font-size:13px;line-height:1.7}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.09)}
    .footer-bottom-inner{
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#90a1ba;
      font-size:13px;
    }
    .footer-legal{display:flex;gap:18px}
    .footer-legal a:hover{color:#fff}
    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:860px){
      .tool-detail-page .detail-wrap{grid-template-columns:1fr}
      .tool-detail-page .detail-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .tool-detail-page .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:680px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{min-height:46px;align-items:flex-start;flex-direction:column;gap:2px;padding:7px 0}
      .topbar-contact{width:100%;justify-content:space-between;gap:8px;font-size:11px}
      .header-btns>a{display:none}
      .logo span{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .tool-detail-page .tool-hero{padding:42px 0}
      .tool-detail-page .hero-summary{font-size:15px}
      .tool-detail-page .detail-wrap{padding-top:24px;padding-bottom:52px}
      .tool-detail-page .content-card,.tool-detail-page .guide-card{padding:21px}
      .tool-detail-page .steps{grid-template-columns:1fr}
      .tool-detail-page .detail-sidebar{grid-template-columns:1fr}
      .tool-detail-page .related-grid{grid-template-columns:1fr}
      .tool-detail-page .section-heading{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr;gap:30px}
      .footer-bottom-inner{align-items:flex-start;flex-direction:column;padding:18px 0}
    }