:root{
      --primary:#0B3D91;
      --primary-dark:#06295f;
      --primary-light:#eaf1ff;
      --theme-template:{主题色};
      --cyan:#0f8fa3;
      --pink:#ec4899;
      --ink:#101828;
      --muted:#667085;
      --line:#e4e7ec;
      --surface:#f5f7fb;
      --white:#fff;
      --success:#16875b;
      --warning:#b76e00;
      --shadow:0 18px 45px rgba(11,61,145,.1);
      --radius:20px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--surface);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.65;
      overflow-x:hidden;
    }
    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(1200px,calc(100% - 40px));margin:0 auto}

    .topbar{
      position:relative;
      z-index:1100;
      color:#dce8ff;
      background:#061b3e;
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .topbar-contact{display:flex;align-items:center;gap:20px}
    .topbar-contact a{transition:color .2s ease}
    .topbar-contact a:hover{color:#fff}

    .header{
      position:relative;
      z-index:1000;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid rgba(11,61,145,.1);
      box-shadow:0 5px 18px rgba(16,24,40,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:11px;
      flex:0 0 auto;
      color:var(--primary-dark);
      font-size:20px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{flex:1;align-self:stretch}
    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      justify-content:center;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      height:100%;
      padding:0 13px;
      display:flex;
      align-items:center;
      color:#344054;
      font-size:15px;
      font-weight:650;
      white-space:nowrap;
      transition:color .2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--primary)}
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin-left: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:100%;
      left:0;
      z-index:1200;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(10px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
      background:#fff;
      border:1px solid #e4eaf4;
      box-shadow:0 22px 60px rgba(6,27,62,.16);
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-10px;
      height:10px;
    }
    .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:320px;
      padding:12px;
      border-radius:0 0 16px 16px;
    }
    .dropdown-panel>a:not(.dropdown-all){
      display:block;
      padding:10px 12px;
      border-radius:9px;
      color:#344054;
      font-size:14px;
    }
    .dropdown-panel>a:not(.dropdown-all):hover{color:var(--primary);background:var(--primary-light)}
    .dropdown-all,.mega-footer{
      display:block;
      margin-top:8px;
      padding:11px 13px;
      color:var(--primary);
      background:#f0f5ff;
      border-radius:9px;
      font-size:14px;
      font-weight:750;
      text-align:center;
    }
    .mega-menu{
      left:50%;
      width:min(1040px,calc(100vw - 48px));
      padding:22px;
      border-radius:0 0 20px 20px;
      transform:translate(-50%,10px);
    }
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .mega-title{
      margin:0 0 13px;
      color:#101828;
      font-size:14px;
      font-weight:800;
    }
    .mega-grid{display:grid;gap:12px}
    .mega-grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}
    .mega-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
    .mega-card{
      min-width:0;
      padding:12px;
      display:flex;
      align-items:center;
      gap:11px;
      border:1px solid #e7ebf2;
      border-radius:13px;
      background:#fff;
      transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      border-color:#a8bde3;
      transform:translateY(-2px);
      box-shadow:0 10px 24px rgba(11,61,145,.09);
    }
    .mega-card img{
      width:48px;
      height:48px;
      flex:0 0 48px;
      object-fit:contain;
      border-radius:10px;
      background:#f5f7fb;
    }
    .mega-card span{min-width:0;display:block}
    .mega-card strong,.mega-card small{
      display:block;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .mega-card strong{font-size:14px;white-space:nowrap}
    .mega-card small{margin-top:3px;color:var(--muted);font-size:12px;white-space:nowrap}
    .mega-video-card{align-items:flex-start}
    .mega-video-card img{width:78px;height:55px;flex-basis:78px;object-fit:cover}
    .mega-tool-card img{padding:8px}
    .mega-split{
      display:grid;
      grid-template-columns:220px minmax(0,1fr);
      gap:22px;
    }
    .mega-categories{display:grid;gap:7px}
    .mega-categories a{
      padding:9px 11px;
      color:#475467;
      background:#f7f9fc;
      border-radius:9px;
      font-size:13px;
    }
    .mega-categories a:hover{color:var(--primary);background:var(--primary-light)}

    .header-btns{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .header-account{display:inline-flex;align-items:center}
    .header-open{
      padding:9px 17px;
      color:#fff;
      background:var(--primary);
      border-radius:9px;
      font-weight:750;
      transition:background .2s ease,transform .2s ease;
    }
    .header-open:hover{background:var(--primary-dark);transform:translateY(-1px)}
    .hamburger{
      width:42px;
      height:42px;
      padding:0;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      border:1px solid #d7deea;
      border-radius:10px;
      background:#fff;
    }
    .hamburger span{
      width:19px;
      height:2px;
      background:#1d2939;
      transition:transform .2s ease,opacity .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;
      inset:0;
      z-index:1500;
      visibility:hidden;
      opacity:0;
      background:rgba(3,13,31,.6);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:1600;
      width:min(390px,90vw);
      height:100vh;
      visibility:hidden;
      transform:translateX(100%);
      background:#fff;
      box-shadow:-22px 0 60px rgba(0,0,0,.18);
      transition:transform .28s ease,visibility .28s ease;
      overflow-y:auto;
    }
    .mobile-drawer.open{visibility:visible;transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      padding:14px 18px;
      display:flex;
      align-items:center;
      gap:12px;
      border-bottom:1px solid var(--line);
    }
    .drawer-head>a{
      padding:7px 12px;
      color:#fff;
      background:var(--primary);
      border-radius:8px;
      font-size:14px;
      font-weight:700;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      border:0;
      border-radius:10px;
      color:#344054;
      background:#f2f4f7;
      font-size:27px;
      line-height:1;
    }
    .drawer-menu{padding:13px 18px 28px}
    .drawer-link,.drawer-toggle{
      width:100%;
      min-height:48px;
      padding:11px 4px;
      display:flex;
      align-items:center;
      color:#1d2939;
      border:0;
      border-bottom:1px solid #edf0f5;
      background:transparent;
      font-weight:700;
      text-align:left;
    }
    .drawer-toggle::after{
      content:"+";
      margin-left:auto;
      color:var(--primary);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:6px 0 10px 13px;
      border-bottom:1px solid #edf0f5;
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:9px 11px;
      color:#667085;
      border-radius:8px;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--primary);background:var(--primary-light)}

    .tool-detail-page{
      min-width:0;
      padding-bottom:76px;
    }
    .tool-detail-page .detail-hero{
      position:relative;
      overflow:hidden;
      padding:62px 0 56px;
      color:#fff;
      background:
        radial-gradient(circle at 85% 20%,rgba(236,72,153,.27),transparent 27%),
        radial-gradient(circle at 8% 80%,rgba(15,143,163,.3),transparent 30%),
        linear-gradient(135deg,#061b3e 0%,#0B3D91 62%,#082755 100%);
    }
    .tool-detail-page .detail-hero::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.16;
      background-image:
        linear-gradient(rgba(255,255,255,.2) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.2) 1px,transparent 1px);
      background-size:32px 32px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .tool-detail-page .hero-inner{position:relative;z-index:1}
    .tool-detail-page .breadcrumb{
      margin-bottom:24px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:#bed2f6;
      font-size:14px;
    }
    .tool-detail-page .breadcrumb a:hover{color:#fff}
    .tool-detail-page .tool-heading{
      max-width:900px;
      display:flex;
      align-items:flex-start;
      gap:22px;
    }
    .tool-detail-page .tool-icon{
      width:82px;
      height:82px;
      flex:0 0 82px;
      padding:14px;
      object-fit:contain;
      border:1px solid rgba(255,255,255,.24);
      border-radius:22px;
      background:rgba(255,255,255,.12);
      box-shadow:0 18px 40px rgba(0,0,0,.17);
    }
    .tool-detail-page .eyebrow{
      margin:0 0 7px;
      color:#8de7f0;
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .tool-detail-page h1{
      margin:0;
      font-size:clamp(30px,5vw,54px);
      line-height:1.15;
      letter-spacing:-.035em;
    }
    .tool-detail-page .tool-intro{
      max-width:760px;
      margin:16px 0 0;
      color:#dbe8ff;
      font-size:17px;
    }
    .tool-detail-page .tool-meta{
      margin-top:24px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tool-detail-page .tool-meta span{
      padding:7px 12px;
      color:#e9f2ff;
      border:1px solid rgba(255,255,255,.19);
      border-radius:999px;
      background:rgba(255,255,255,.08);
      font-size:13px;
    }

    .tool-detail-page .detail-layout{
      margin-top:34px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      align-items:start;
      gap:28px;
    }
    .tool-detail-page .content-stack{
      min-width:0;
      display:grid;
      gap:24px;
    }
    .tool-detail-page .content-card{
      min-width:0;
      max-width:100%;
      padding:30px;
      overflow-x:auto;
      border:1px solid #e1e7f0;
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .tool-detail-page .section-head{
      margin-bottom:22px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
    }
    .tool-detail-page .section-head h2,
    .tool-detail-page .guide-card h2,
    .tool-detail-page .notice-card h2{
      margin:0;
      color:#102a57;
      font-size:24px;
      line-height:1.3;
    }
    .tool-detail-page .section-head p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .tool-detail-page .status-badge{
      flex:0 0 auto;
      padding:7px 11px;
      color:var(--success);
      background:#eaf8f1;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
    }
    .tool-detail-page .tool-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#344054;
    }
    .tool-detail-page .tool-body img,
    .tool-detail-page .tool-body video,
    .tool-detail-page .tool-body iframe,
    .tool-detail-page .tool-body table{
      max-width:100%;
    }
    .tool-detail-page .tool-body iframe{width:100%;border:0}
    .tool-detail-page .tool-body table{
      width:100%;
      border-collapse:collapse;
    }
    .tool-detail-page .tool-body th,
    .tool-detail-page .tool-body td{
      padding:12px;
      border:1px solid #dfe5ee;
      text-align:left;
    }
    .tool-detail-page .tool-body a{color:var(--primary);text-decoration:underline}
    .tool-detail-page .tool-body h2,
    .tool-detail-page .tool-body h3{
      color:#102a57;
      line-height:1.35;
    }

    .tool-detail-page .guide-card ol{
      margin:22px 0 0;
      padding:0;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      list-style:none;
      counter-reset:guide;
    }
    .tool-detail-page .guide-card li{
      position:relative;
      min-height:150px;
      padding:54px 18px 18px;
      color:#475467;
      border:1px solid #e1e7f0;
      border-radius:15px;
      background:#f8faff;
      counter-increment:guide;
    }
    .tool-detail-page .guide-card li::before{
      content:counter(guide);
      position:absolute;
      top:16px;
      left:18px;
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--primary);
      border-radius:9px;
      font-weight:800;
    }
    .tool-detail-page .guide-card strong{
      display:block;
      margin-bottom:5px;
      color:#1d2939;
    }
    .tool-detail-page .notice-card{
      border-left:5px solid var(--warning);
      box-shadow:none;
    }
    .tool-detail-page .notice-card p{margin:12px 0 0;color:#667085}

    .tool-detail-page .detail-sidebar{
      position:sticky;
      top:24px;
      display:grid;
      gap:20px;
    }
    .tool-detail-page .sidebar-card{
      padding:22px;
      border:1px solid #e1e7f0;
      border-radius:18px;
      background:#fff;
      box-shadow:0 14px 34px rgba(11,61,145,.07);
    }
    .tool-detail-page .sidebar-card h2{
      margin:0 0 16px;
      color:#102a57;
      font-size:19px;
    }
    .tool-detail-page .related-list{display:grid;gap:11px}
    .tool-detail-page .related-tool{
      min-width:0;
      padding:12px;
      display:flex;
      align-items:center;
      gap:11px;
      border:1px solid #e7ebf2;
      border-radius:13px;
      transition:border-color .2s ease,transform .2s ease;
    }
    .tool-detail-page .related-tool:hover{
      border-color:#9fb7df;
      transform:translateY(-2px);
    }
    .tool-detail-page .related-tool img{
      width:44px;
      height:44px;
      flex:0 0 44px;
      padding:7px;
      object-fit:contain;
      border-radius:10px;
      background:#eef4ff;
    }
    .tool-detail-page .related-tool span{min-width:0}
    .tool-detail-page .related-tool strong{
      display:block;
      overflow:hidden;
      color:#1d2939;
      font-size:14px;
      white-space:nowrap;
      text-overflow:ellipsis;
    }
    .tool-detail-page .related-tool small{
      margin-top:3px;
      display:-webkit-box;
      overflow:hidden;
      color:#667085;
      font-size:12px;
      line-height:1.5;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .tool-detail-page .sidebar-cta{
      color:#fff;
      border:0;
      background:linear-gradient(145deg,#0B3D91,#06295f);
    }
    .tool-detail-page .sidebar-cta h2{color:#fff}
    .tool-detail-page .sidebar-cta p{margin:0 0 17px;color:#d7e6ff;font-size:14px}
    .tool-detail-page .sidebar-cta a{
      display:block;
      padding:11px 14px;
      color:var(--primary-dark);
      background:#fff;
      border-radius:10px;
      font-weight:800;
      text-align:center;
    }
    .tool-detail-page .sidebar-note{
      margin:0;
      color:#667085;
      font-size:13px;
    }

    .footer{
      color:#cbd8ed;
      background:#06162f;
    }
    .footer-main{
      padding:58px 0 40px;
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1.15fr;
      gap:42px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:430px;
      margin:18px 0;
      color:#aebbd0;
      font-size:14px;
    }
    .footer-search{
      display:inline-block;
      color:#8ddbe5;
      font-size:13px;
    }
    .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;
      transition:color .2s ease;
    }
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-social{color:#aebbd0;font-size:14px;overflow-wrap:anywhere}
    .footer-bottom{
      padding:20px 0 26px;
      display:flex;
      justify-content:space-between;
      gap:24px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#8f9db4;
      font-size:12px;
    }
    .risk-note{max-width:690px;text-align:right}

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-inner{min-height:70px}
      .header-btns{margin-left:auto}
      .tool-detail-page .detail-layout{grid-template-columns:minmax(0,1fr) 290px}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:820px){
      .topbar-inner{padding:8px 0;align-items:flex-start;flex-direction:column;gap:3px}
      .topbar-contact{gap:12px;flex-wrap:wrap}
      .tool-detail-page .detail-hero{padding:44px 0}
      .tool-detail-page .detail-layout{grid-template-columns:1fr}
      .tool-detail-page .detail-sidebar{position:static}
      .tool-detail-page .guide-card ol{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
      .risk-note{text-align:left}
    }
    @media (max-width:600px){
      .container{width:min(100% - 28px,1200px)}
      .topbar{font-size:12px}
      .topbar-contact{display:none}
      .header-account{display:none}
      .header-open{padding:8px 12px}
      .logo{font-size:17px}
      .logo img{width:37px;height:37px}
      .tool-detail-page .tool-heading{display:block}
      .tool-detail-page .tool-icon{width:68px;height:68px;margin-bottom:18px}
      .tool-detail-page .tool-intro{font-size:15px}
      .tool-detail-page .content-card{padding:21px}
      .tool-detail-page .section-head{display:block}
      .tool-detail-page .status-badge{margin-top:12px;display:inline-block}
      .footer-main{grid-template-columns:1fr;gap:28px}
    }