:root{
      --primary:#0B3D91;
      --primary-dark:#072b68;
      --primary-light:#eaf1ff;
      --template-theme:{主题色};
      --ink:#172033;
      --muted:#667085;
      --line:#e4e7ec;
      --surface:#ffffff;
      --background:#f5f7fa;
      --success:#16865c;
      --warning:#a15c00;
      --radius:18px;
      --shadow:0 18px 48px rgba(11,61,145,.10);
    }

    *{
      box-sizing:border-box;
    }

    html{
      scroll-behavior:smooth;
    }

    body{
      margin:0;
      color:var(--ink);
      background:var(--background);
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK 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,
    textarea,
    select{
      font:inherit;
    }

    button{
      color:inherit;
    }

    .container{
      width:min(1180px,calc(100% - 40px));
      margin:0 auto;
    }

    .topbar{
      color:#dbe7ff;
      background:#06275e;
      font-size:13px;
    }

    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }

    .topbar-contact{
      display:flex;
      align-items:center;
      gap:22px;
    }

    .topbar-contact a{
      transition:color .2s ease;
    }

    .topbar-contact a:hover{
      color:#fff;
    }

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 26px rgba(16,24,40,.04);
    }

    .header-inner{
      position:relative;
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }

    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:var(--primary);
      font-weight:800;
      letter-spacing:.01em;
    }

    .logo img{
      width:42px;
      height:42px;
      flex:0 0 42px;
      object-fit:contain;
      border-radius:10px;
    }

    .logo span{
      max-width:180px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .main-nav{
      flex:1;
      align-self:stretch;
    }

    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      align-items:stretch;
      justify-content:center;
      list-style:none;
    }

    .nav-item{
      position:relative;
      display:flex;
      align-items:stretch;
    }

    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#344054;
      font-size:15px;
      font-weight:650;
      white-space:nowrap;
      transition:color .2s ease;
    }

    .nav-link::after{
      content:"";
      position:absolute;
      right:13px;
      bottom:0;
      left:13px;
      height:3px;
      border-radius:4px 4px 0 0;
      background:var(--primary);
      transform:scaleX(0);
      transition:transform .2s ease;
    }

    .nav-link:hover,
    .nav-item:focus-within > .nav-link{
      color:var(--primary);
    }

    .nav-link:hover::after,
    .nav-item:focus-within > .nav-link::after{
      transform:scaleX(1);
    }

    .has-arrow{
      gap:7px;
    }

    .has-arrow::before{
      content:"";
      width:6px;
      height:6px;
      margin-top:-4px;
      order:2;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }

    .nav-item:hover .has-arrow::before,
    .nav-item:focus-within .has-arrow::before{
      margin-top:3px;
      transform:rotate(225deg);
    }

    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      z-index:60;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 24px 60px rgba(16,24,40,.16);
      transform:translateY(8px);
      transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
    }

    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:12px;
    }

    .nav-item:hover > .dropdown-panel,
    .nav-item:hover > .mega-menu,
    .nav-item:focus-within > .dropdown-panel,
    .nav-item:focus-within > .mega-menu{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translateY(0);
    }

    .dropdown-panel{
      left:0;
      width:330px;
      padding:10px;
      border-radius:0 0 16px 16px;
    }

    .dropdown-panel > a:not(.dropdown-footer){
      display:block;
      padding:11px 12px;
      color:#344054;
      border-radius:9px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .dropdown-panel > a:not(.dropdown-footer):hover{
      color:var(--primary);
      background:var(--primary-light);
    }

    .dropdown-footer,
    .mega-footer{
      display:block;
      margin-top:8px;
      padding:11px 14px;
      color:var(--primary);
      background:#f4f7fc;
      border-radius:9px;
      text-align:center;
      font-weight:700;
    }

    .mega-menu{
      left:50%;
      width:min(940px,calc(100vw - 60px));
      padding:22px;
      border-radius:0 0 20px 20px;
      transform:translate(-50%,8px);
    }

    .nav-item:hover > .mega-menu,
    .nav-item:focus-within > .mega-menu{
      transform:translate(-50%,0);
    }

    .mega-title{
      margin:0 0 14px;
      color:#101828;
      font-size:15px;
      font-weight:800;
    }

    .mega-grid{
      display:grid;
      gap:12px;
    }

    .mega-grid.three{
      grid-template-columns:repeat(3,minmax(0,1fr));
    }

    .mega-card{
      min-width:0;
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:13px;
      color:#344054;
      background:#fafbfc;
      border:1px solid #edf0f4;
      border-radius:12px;
      transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
    }

    .mega-card:hover{
      border-color:#b9c9eb;
      box-shadow:0 10px 24px rgba(11,61,145,.09);
      transform:translateY(-2px);
    }

    .mega-card > img{
      width:48px;
      height:48px;
      flex:0 0 48px;
      object-fit:cover;
      background:#eef2f7;
      border-radius:10px;
    }

    .mega-card > span{
      min-width:0;
      display:block;
    }

    .mega-card strong,
    .mega-card small{
      display:block;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .mega-card strong{
      color:#101828;
      font-size:14px;
      white-space:nowrap;
    }

    .mega-card small{
      margin-top:3px;
      color:var(--muted);
      font-size:12px;
      line-height:1.45;
      white-space:nowrap;
    }

    .mega-meta{
      margin-top:6px;
      display:flex;
      flex-wrap:wrap;
      gap:4px 9px;
      color:#667085;
      font-size:11px;
    }

    .mega-category-list{
      margin-bottom:15px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .mega-category-list a{
      padding:7px 11px;
      color:#344054;
      background:#f2f4f7;
      border-radius:999px;
      font-size:13px;
    }

    .mega-category-list a:hover{
      color:#fff;
      background:var(--primary);
    }

    .header-btns{
      display:flex;
      align-items:center;
      gap:10px;
      white-space:nowrap;
    }

    .account-entry{
      color:var(--primary);
      font-size:14px;
      font-weight:700;
    }

    .open-account{
      display:inline-flex;
      min-height:40px;
      align-items:center;
      justify-content:center;
      padding:0 18px;
      color:#fff;
      background:var(--primary);
      border-radius:10px;
      font-weight:750;
      box-shadow:0 8px 18px rgba(11,61,145,.18);
      transition:background .2s ease,transform .2s ease;
    }

    .open-account:hover{
      background:var(--primary-dark);
      transform:translateY(-1px);
    }

    .hamburger{
      width:42px;
      height:42px;
      padding:10px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      cursor:pointer;
    }

    .hamburger span{
      width:20px;
      height:2px;
      background:#344054;
      border-radius:2px;
      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:90;
      visibility:hidden;
      opacity:0;
      background:rgba(8,18,36,.55);
      backdrop-filter:blur(2px);
      transition:opacity .25s ease,visibility .25s ease;
    }

    .drawer-overlay.open{
      visibility:visible;
      opacity:1;
    }

    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      z-index:100;
      width:min(390px,90vw);
      height:100%;
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(16,24,40,.18);
      transform:translateX(105%);
      transition:transform .25s ease;
    }

    .mobile-drawer.open{
      transform:translateX(0);
    }

    .drawer-head{
      position:sticky;
      top:0;
      z-index:2;
      min-height:72px;
      padding:14px 18px;
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--primary);
      background:#fff;
      border-bottom:1px solid var(--line);
      font-weight:700;
    }

    .drawer-head > a{
      margin-left:auto;
      padding:8px 14px;
      color:#fff;
      background:var(--primary);
      border-radius:8px;
    }

    .drawer-close{
      width:38px;
      height:38px;
      padding:0;
      color:#475467;
      background:#f2f4f7;
      border:0;
      border-radius:9px;
      font-size:26px;
      line-height:1;
      cursor:pointer;
    }

    .drawer-menu{
      padding:12px 18px 28px;
    }

    .drawer-link,
    .drawer-toggle{
      width:100%;
      min-height:50px;
      padding:12px 4px;
      display:flex;
      align-items:center;
      color:#1d2939;
      background:transparent;
      border:0;
      border-bottom:1px solid #edf0f4;
      text-align:left;
      font-weight:700;
      cursor:pointer;
    }

    .drawer-toggle{
      justify-content:space-between;
    }

    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:20px;
      font-weight:400;
    }

    .drawer-toggle.active::after{
      content:"−";
    }

    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      opacity:0;
      background:#f7f9fc;
      transition:max-height .3s ease,opacity .2s ease,padding .2s ease;
    }

    .drawer-submenu.open{
      max-height:700px;
      padding:7px 12px;
      opacity:1;
    }

    .drawer-submenu a{
      display:block;
      padding:9px 8px;
      color:#475467;
      border-radius:7px;
      font-size:14px;
    }

    .drawer-submenu a:hover{
      color:var(--primary);
      background:#eaf1ff;
    }

    .tool-detail-page{
      padding:34px 0 76px;
    }

    .tool-detail-page .breadcrumb{
      margin-bottom:22px;
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:7px;
      color:#667085;
      font-size:14px;
    }

    .tool-detail-page .breadcrumb a{
      color:var(--primary);
    }

    .tool-detail-page .breadcrumb span{
      color:#98a2b3;
    }

    .tool-detail-page .tool-intro{
      position:relative;
      overflow:hidden;
      padding:34px;
      background:
        radial-gradient(circle at 92% 12%,rgba(62,126,230,.16),transparent 28%),
        linear-gradient(135deg,#06275e 0%,#0B3D91 58%,#1554ad 100%);
      border-radius:24px;
      box-shadow:0 22px 55px rgba(6,39,94,.2);
    }

    .tool-detail-page .tool-intro::after{
      content:"";
      position:absolute;
      right:-75px;
      bottom:-100px;
      width:250px;
      height:250px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:50%;
      box-shadow:
        0 0 0 30px rgba(255,255,255,.04),
        0 0 0 65px rgba(255,255,255,.03);
    }

    .tool-detail-page .tool-intro-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      gap:24px;
    }

    .tool-detail-page .tool-icon{
      width:94px;
      height:94px;
      flex:0 0 94px;
      padding:17px;
      object-fit:contain;
      background:#fff;
      border:1px solid rgba(255,255,255,.72);
      border-radius:22px;
      box-shadow:0 15px 35px rgba(0,0,0,.18);
    }

    .tool-detail-page .tool-heading{
      min-width:0;
    }

    .tool-detail-page .tool-kicker{
      margin:0 0 6px;
      color:#c9dbff;
      font-size:13px;
      font-weight:750;
      letter-spacing:.12em;
    }

    .tool-detail-page h1{
      margin:0;
      color:#fff;
      font-size:clamp(30px,4vw,48px);
      line-height:1.2;
      overflow-wrap:anywhere;
    }

    .tool-detail-page .tool-summary{
      max-width:820px;
      margin:13px 0 0;
      color:#e6efff;
      font-size:16px;
    }

    .tool-detail-page .tool-meta{
      margin-top:18px;
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }

    .tool-detail-page .tool-meta span{
      padding:7px 11px;
      color:#ecf3ff;
      background:rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.17);
      border-radius:999px;
      font-size:13px;
    }

    .tool-detail-page .detail-layout{
      margin-top:28px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      align-items:start;
      gap:26px;
    }

    .tool-detail-page .detail-main,
    .tool-detail-page .detail-sidebar{
      min-width:0;
    }

    .tool-detail-page .content-card,
    .tool-detail-page .guide-card,
    .tool-detail-page .notice-card,
    .tool-detail-page .related-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:0 10px 32px rgba(16,24,40,.05);
    }

    .tool-detail-page .content-card{
      padding:30px;
    }

    .tool-detail-page .section-title{
      margin:0 0 20px;
      display:flex;
      align-items:center;
      gap:11px;
      color:#101828;
      font-size:23px;
      line-height:1.35;
    }

    .tool-detail-page .section-title::before{
      content:"";
      width:5px;
      height:24px;
      flex:0 0 5px;
      background:var(--primary);
      border-radius:999px;
    }

    .tool-detail-page .tool-content{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#344054;
      font-size:16px;
      overflow-wrap:anywhere;
    }

    .tool-detail-page .tool-content > :first-child{
      margin-top:0;
    }

    .tool-detail-page .tool-content > :last-child{
      margin-bottom:0;
    }

    .tool-detail-page .tool-content h2,
    .tool-detail-page .tool-content h3,
    .tool-detail-page .tool-content h4{
      color:#101828;
      line-height:1.4;
    }

    .tool-detail-page .tool-content a{
      color:var(--primary);
      text-decoration:underline;
      text-underline-offset:3px;
    }

    .tool-detail-page .tool-content img,
    .tool-detail-page .tool-content video,
    .tool-detail-page .tool-content iframe{
      max-width:100%;
      height:auto;
      border-radius:12px;
    }

    .tool-detail-page .tool-content table{
      width:100%;
      max-width:100%;
      border-collapse:collapse;
    }

    .tool-detail-page .tool-content th,
    .tool-detail-page .tool-content td{
      padding:11px 13px;
      border:1px solid var(--line);
      text-align:left;
      white-space:normal;
    }

    .tool-detail-page .tool-content blockquote{
      margin:22px 0;
      padding:15px 18px;
      color:#344054;
      background:#f4f7fc;
      border-left:4px solid var(--primary);
      border-radius:0 10px 10px 0;
    }

    .tool-detail-page .guide-card{
      margin-top:22px;
      padding:26px;
    }

    .tool-detail-page .guide-steps{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
    }

    .tool-detail-page .guide-step{
      padding:18px;
      background:#f8fafc;
      border:1px solid #e8edf4;
      border-radius:14px;
    }

    .tool-detail-page .guide-step b{
      width:34px;
      height:34px;
      margin-bottom:12px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--primary);
      border-radius:10px;
    }

    .tool-detail-page .guide-step h3{
      margin:0 0 6px;
      color:#101828;
      font-size:16px;
    }

    .tool-detail-page .guide-step p{
      margin:0;
      color:#667085;
      font-size:14px;
    }

    .tool-detail-page .notice-card{
      margin-top:22px;
      padding:22px 24px;
      color:#70440a;
      background:#fffaf0;
      border-color:#f1d9ad;
    }

    .tool-detail-page .notice-card h2{
      margin:0 0 7px;
      font-size:18px;
    }

    .tool-detail-page .notice-card p{
      margin:0;
      font-size:14px;
    }

    .tool-detail-page .detail-sidebar{
      position:sticky;
      top:24px;
    }

    .tool-detail-page .related-card{
      padding:22px;
    }

    .tool-detail-page .related-card h2{
      margin:0 0 15px;
      color:#101828;
      font-size:20px;
    }

    .tool-detail-page .related-list{
      display:grid;
      gap:11px;
    }

    .tool-detail-page .related-tool{
      min-width:0;
      padding:13px;
      display:flex;
      align-items:flex-start;
      gap:12px;
      background:#f8fafc;
      border:1px solid #e9edf3;
      border-radius:13px;
      transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    }

    .tool-detail-page .related-tool:hover{
      border-color:#b8c9eb;
      box-shadow:0 8px 20px rgba(11,61,145,.08);
      transform:translateY(-2px);
    }

    .tool-detail-page .related-tool img{
      width:46px;
      height:46px;
      flex:0 0 46px;
      padding:6px;
      object-fit:contain;
      background:#fff;
      border-radius:10px;
    }

    .tool-detail-page .related-tool div{
      min-width:0;
    }

    .tool-detail-page .related-tool strong{
      display:block;
      color:#101828;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .tool-detail-page .related-tool span{
      margin-top:4px;
      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-action{
      margin-top:18px;
      padding:22px;
      color:#fff;
      background:linear-gradient(145deg,#0B3D91,#06275e);
      border-radius:18px;
      box-shadow:var(--shadow);
    }

    .tool-detail-page .sidebar-action h2{
      margin:0 0 8px;
      font-size:20px;
    }

    .tool-detail-page .sidebar-action p{
      margin:0;
      color:#dbe8ff;
      font-size:14px;
    }

    .tool-detail-page .sidebar-action a{
      min-height:44px;
      margin-top:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--primary);
      background:#fff;
      border-radius:10px;
      font-weight:800;
    }

    .tool-detail-page .update-box{
      margin-top:18px;
      padding:18px 20px;
      color:#475467;
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      font-size:13px;
    }

    .tool-detail-page .update-box span{
      display:block;
    }

    .footer{
      color:#cdd8ea;
      background:#071a38;
    }

    .footer-main{
      padding:60px 0 42px;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1.1fr;
      gap:42px;
    }

    .footer .logo{
      color:#fff;
    }

    .footer-brand p{
      max-width:410px;
      margin:18px 0 14px;
      color:#aebcd1;
      font-size:14px;
    }

    .footer-social{
      color:#d9e4f4;
      font-size:14px;
    }

    .footer h3{
      margin:5px 0 17px;
      color:#fff;
      font-size:16px;
    }

    .footer-links,
    .footer-contact{
      display:grid;
      gap:10px;
      color:#aebcd1;
      font-size:14px;
    }

    .footer-links a,
    .footer-contact a{
      transition:color .2s ease,transform .2s ease;
    }

    .footer-links a:hover,
    .footer-contact a:hover{
      color:#fff;
      transform:translateX(2px);
    }

    .footer-bottom{
      min-height:70px;
      padding:18px 0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#94a5bd;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    .footer-bottom-links{
      display:flex;
      gap:18px;
    }

    .footer-bottom a:hover{
      color:#fff;
    }

    @media (max-width:1120px){
      .main-nav{
        display:none;
      }

      .hamburger{
        display:flex;
      }

      .header-inner{
        min-height:72px;
      }

      .header-btns{
        margin-left:auto;
      }

      .tool-detail-page .detail-layout{
        grid-template-columns:minmax(0,1fr) 300px;
      }

      .footer-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
    }

    @media (max-width:820px){
      .topbar-inner{
        padding:8px 0;
        align-items:flex-start;
      }

      .topbar-contact{
        align-items:flex-end;
        flex-direction:column;
        gap:2px;
      }

      .account-entry{
        display:none;
      }

      .tool-detail-page{
        padding-top:24px;
      }

      .tool-detail-page .detail-layout{
        grid-template-columns:1fr;
      }

      .tool-detail-page .detail-sidebar{
        position:static;
      }

      .tool-detail-page .guide-steps{
        grid-template-columns:1fr;
      }
    }

    @media (max-width:620px){
      .container{
        width:min(100% - 24px,1180px);
      }

      .topbar-welcome{
        display:none;
      }

      .topbar-inner{
        justify-content:flex-end;
      }

      .topbar-contact{
        width:100%;
        align-items:flex-start;
      }

      .header-inner{
        gap:12px;
      }

      .header .logo span{
        max-width:125px;
      }

      .open-account{
        min-height:38px;
        padding:0 13px;
      }

      .tool-detail-page .breadcrumb{
        font-size:13px;
      }

      .tool-detail-page .tool-intro{
        padding:26px 20px;
        border-radius:19px;
      }

      .tool-detail-page .tool-intro-inner{
        align-items:flex-start;
        flex-direction:column;
      }

      .tool-detail-page .tool-icon{
        width:76px;
        height:76px;
        flex-basis:76px;
      }

      .tool-detail-page h1{
        font-size:30px;
      }

      .tool-detail-page .content-card,
      .tool-detail-page .guide-card{
        padding:21px 18px;
      }

      .tool-detail-page .section-title{
        font-size:20px;
      }

      .footer-main{
        padding-top:44px;
      }

      .footer-grid{
        grid-template-columns:1fr;
        gap:30px;
      }

      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
      }
    }