:root{
      --theme:#0B3D91;
      --theme-token:{主题色};
      --theme-dark:#06265e;
      --theme-light:#eaf2ff;
      --electric:#1677ff;
      --green:#55e68a;
      --ink:#101828;
      --muted:#667085;
      --line:#e4e7ec;
      --surface:#ffffff;
      --page:#f5f8fc;
      --radius:18px;
      --shadow:0 18px 45px rgba(11,61,145,.10);
    }

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

    .topbar{
      position:relative;
      z-index:70;
      color:#dce9ff;
      background:#061b3e;
      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:60;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid rgba(16,24,40,.08);
      box-shadow:0 4px 20px rgba(16,24,40,.04);
    }
    .header-inner{
      min-height:80px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--theme-dark);
      font-size:19px;
      font-weight:800;
      white-space:nowrap;
    }
    .logo img,.footer-logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{align-self:stretch;flex:1;min-width:0}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      justify-content:center;
      gap:2px;
      margin:0;
      padding:0;
      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:600;
      white-space:nowrap;
      transition:color .2s ease,background .2s ease;
    }
    .nav-link:hover,.nav-item:focus-within>.nav-link{
      color:var(--theme);
      background:var(--theme-light);
    }
    .nav-link.has-arrow:after{
      content:"";
      width:6px;
      height:6px;
      margin:0 0 4px 7px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .nav-item:hover>.nav-link.has-arrow:after,
    .nav-item:focus-within>.nav-link.has-arrow:after{
      transform:rotate(225deg);
      margin-bottom:-2px;
    }
    .nav-item:after{
      content:"";
      position:absolute;
      top:100%;
      left:0;
      width:100%;
      height:12px;
    }

    .dropdown-panel,.mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:80;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translate(-50%,10px);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:0 24px 60px rgba(16,24,40,.16);
      transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
    }
    .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:translate(-50%,0);
    }
    .dropdown-panel{
      width:330px;
      padding:18px;
    }
    .dropdown-title{
      padding:0 8px 10px;
      color:var(--theme);
      font-weight:800;
    }
    .dropdown-panel>a:not(.dropdown-more){
      display:block;
      padding:9px 8px;
      color:#475467;
      border-radius:8px;
      font-size:14px;
    }
    .dropdown-panel>a:not(.dropdown-more):hover{
      color:var(--theme);
      background:var(--theme-light);
    }
    .dropdown-more,.mega-footer{
      display:block;
      margin-top:12px;
      padding:11px 12px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      text-align:center;
      font-size:14px;
      font-weight:700;
    }
    .mega-menu{
      width:720px;
      padding:20px;
    }
    .mega-menu.mega-wide{width:min(920px,calc(100vw - 40px))}
    .mega-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:15px;
      padding-bottom:13px;
      border-bottom:1px solid var(--line);
    }
    .mega-head strong{color:var(--theme-dark);font-size:17px}
    .mega-head span{color:var(--muted);font-size:13px;text-align:right}
    .mega-categories{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:14px;
    }
    .mega-categories a{
      padding:6px 11px;
      color:var(--theme);
      background:var(--theme-light);
      border-radius:999px;
      font-size:13px;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:10px;
    }
    .mega-card{
      min-width:0;
      display:flex;
      align-items:center;
      gap:11px;
      padding:11px;
      border:1px solid var(--line);
      border-radius:12px;
      transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
    }
    .mega-card:hover{
      border-color:#a9c8ff;
      box-shadow:0 9px 24px rgba(11,61,145,.10);
      transform:translateY(-2px);
    }
    .mega-card img{
      flex:0 0 auto;
      width:46px;
      height:46px;
      object-fit:contain;
      border-radius:9px;
      background:#f2f4f7;
    }
    .mega-video-card img{object-fit:cover}
    .mega-copy{min-width:0;display:grid;gap:2px}
    .mega-copy strong{
      overflow:hidden;
      color:#1d2939;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-copy small{
      overflow:hidden;
      color:var(--muted);
      font-size:11px;
      line-height:1.45;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .header-btns{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .member-entry{
      color:var(--theme);
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .account-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 16px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-size:14px;
      font-weight:700;
      box-shadow:0 8px 20px rgba(11,61,145,.20);
    }
    .account-btn:hover{background:var(--theme-dark)}
    .hamburger{
      display:none;
      width:44px;
      height:44px;
      padding:10px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
    }
    .hamburger span{
      display:block;
      width:100%;
      height:2px;
      margin:5px 0;
      background:var(--theme-dark);
      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(6,17,38,.58);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:100;
      width:min(390px,88vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 55px rgba(0,0,0,.18);
      transform:translateX(105%);
      transition:transform .25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 18px;
      color:var(--theme);
      background:var(--theme-light);
      border-bottom:1px solid #d7e5ff;
      font-weight:700;
    }
    .drawer-head>a{
      padding:7px 12px;
      color:#fff;
      background:var(--theme);
      border-radius:8px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#344054;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
      font-size:25px;
      line-height:1;
    }
    .drawer-menu{padding:14px 18px 30px}
    .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 var(--line);
      text-align:left;
      font-weight:700;
    }
    .drawer-toggle:after{
      content:"+";
      color:var(--theme);
      font-size:20px;
      font-weight:400;
    }
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 9px 14px;
      border-bottom:1px solid var(--line);
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:9px 6px;
      color:var(--muted);
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme)}

    .tools-page{min-width:0}
    .tools-page .tools-hero{
      position:relative;
      overflow:hidden;
      padding:76px 0 68px;
      color:#fff;
      background:
        radial-gradient(circle at 15% 18%,rgba(22,119,255,.42),transparent 28%),
        radial-gradient(circle at 86% 72%,rgba(85,230,138,.13),transparent 24%),
        linear-gradient(145deg,#06152e 0%,#082a64 52%,#0b3d91 100%);
    }
    .tools-page .tools-hero:before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.1) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .tools-page .tools-hero-inner{
      position:relative;
      z-index:1;
      max-width:860px;
      margin:0 auto;
      text-align:center;
    }
    .tools-page .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:15px;
      padding:7px 13px;
      color:#bcd5ff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .tools-page .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      background:var(--green);
      border-radius:50%;
      box-shadow:0 0 15px var(--green);
    }
    .tools-page .tools-hero h1{
      margin:0;
      font-size:clamp(36px,5vw,62px);
      line-height:1.12;
      letter-spacing:-1.6px;
    }
    .tools-page .tools-hero p{
      max-width:720px;
      margin:20px auto 0;
      color:#d5e4ff;
      font-size:17px;
    }
    .tools-page .hero-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:12px;
      margin-top:28px;
    }
    .tools-page .primary-action,.tools-page .secondary-action{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 20px;
      border-radius:10px;
      font-weight:800;
    }
    .tools-page .primary-action{
      color:#06265e;
      background:var(--green);
      box-shadow:0 12px 30px rgba(85,230,138,.20);
    }
    .tools-page .secondary-action{
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.24);
    }
    .tools-page .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:720px;
      margin:42px auto 0;
    }
    .tools-page .metric{
      padding:16px;
      background:rgba(5,20,47,.48);
      border:1px solid rgba(255,255,255,.13);
      border-radius:14px;
      backdrop-filter:blur(10px);
    }
    .tools-page .metric strong{display:block;color:#fff;font-size:20px}
    .tools-page .metric span{color:#afc5e8;font-size:12px}

    .tools-page .tool-directory{padding:72px 0}
    .tools-page .section-heading{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .tools-page .section-heading h2{
      margin:0 0 7px;
      color:var(--theme-dark);
      font-size:32px;
      line-height:1.25;
    }
    .tools-page .section-heading p{
      max-width:720px;
      margin:0;
      color:var(--muted);
    }
    .tools-page .section-badge{
      flex:0 0 auto;
      padding:8px 12px;
      color:var(--theme);
      background:var(--theme-light);
      border-radius:999px;
      font-size:13px;
      font-weight:800;
    }
    .tools-page .tool-filters{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-bottom:26px;
    }
    .tools-page .tool-filters span{
      padding:8px 13px;
      color:#475467;
      background:#fff;
      border:1px solid var(--line);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .tools-page .tool-filters span:first-child{
      color:#fff;
      background:var(--theme);
      border-color:var(--theme);
    }
    .tools-page .tools-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
    }
    .tools-page .tool-card{
      min-width:0;
      display:flex;
      flex-direction:column;
      padding:24px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 8px 28px rgba(16,24,40,.045);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .tools-page .tool-card:hover{
      border-color:#a8c8ff;
      box-shadow:var(--shadow);
      transform:translateY(-5px);
    }
    .tools-page .tool-card-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .tools-page .tool-icon-wrap{
      width:58px;
      height:58px;
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
      background:linear-gradient(145deg,#edf4ff,#dfeaff);
      border:1px solid #d4e4ff;
      border-radius:15px;
    }
    .tools-page .tool-icon-wrap img{
      width:34px;
      height:34px;
      object-fit:contain;
    }
    .tools-page .tool-status{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#157347;
      font-size:12px;
      font-weight:800;
    }
    .tools-page .tool-status:before{
      content:"";
      width:7px;
      height:7px;
      background:var(--green);
      border-radius:50%;
    }
    .tools-page .tool-card h3{
      margin:0 0 9px;
      color:#172b4d;
      font-size:20px;
    }
    .tools-page .tool-card p{
      flex:1;
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .tools-page .tool-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:20px;
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .tools-page .tool-link:after{
      content:"→";
      transition:transform .2s ease;
    }
    .tools-page .tool-card:hover .tool-link:after{transform:translateX(4px)}

    .tools-page .workflow-section{
      padding:72px 0;
      background:#fff;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .tools-page .workflow-title{
      max-width:720px;
      margin:0 auto 38px;
      text-align:center;
    }
    .tools-page .workflow-title h2{
      margin:0 0 10px;
      color:var(--theme-dark);
      font-size:32px;
    }
    .tools-page .workflow-title p{margin:0;color:var(--muted)}
    .tools-page .workflow-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
      counter-reset:workflow;
    }
    .tools-page .workflow-card{
      position:relative;
      padding:25px 22px;
      background:#f8faff;
      border:1px solid #e1e9f8;
      border-radius:16px;
      counter-increment:workflow;
    }
    .tools-page .workflow-card:before{
      content:"0" counter(workflow);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      margin-bottom:17px;
      color:#fff;
      background:var(--theme);
      border-radius:12px;
      font-weight:900;
    }
    .tools-page .workflow-card h3{margin:0 0 8px;font-size:18px}
    .tools-page .workflow-card p{margin:0;color:var(--muted);font-size:14px}

    .tools-page .notice-section{padding:66px 0}
    .tools-page .notice-panel{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      align-items:center;
      gap:30px;
      padding:34px;
      color:#d9e7ff;
      background:linear-gradient(135deg,#071b3f,#0b3d91);
      border-radius:22px;
      box-shadow:var(--shadow);
    }
    .tools-page .notice-panel h2{margin:0 0 8px;color:#fff;font-size:27px}
    .tools-page .notice-panel p{max-width:780px;margin:0}
    .tools-page .notice-panel a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 19px;
      color:#06265e;
      background:var(--green);
      border-radius:10px;
      font-weight:900;
      white-space:nowrap;
    }

    .footer{
      color:#c5d2e8;
      background:#06152e;
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:42px;
      padding:62px 0 42px;
    }
    .footer-logo{
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:#fff;
      font-size:20px;
      font-weight:800;
    }
    .footer-brand p{
      max-width:390px;
      margin:18px 0;
      color:#9fb0ca;
      font-size:14px;
    }
    .footer-social{color:#fff}
    .footer h3{
      margin:4px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,.footer-contact{display:grid;gap:10px}
    .footer-links a,.footer-contact a{
      color:#aebdd3;
      font-size:14px;
      transition:color .2s ease;
    }
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact span{color:#7488a7;font-size:12px}
    .footer-bottom{
      min-height:68px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#7f92af;
      border-top:1px solid rgba(255,255,255,.09);
      font-size:13px;
    }

    @media (max-width:1180px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-inner{min-height:72px}
      .header-btns{margin-left:auto}
      .mega-menu,.dropdown-panel{display:none}
    }
    @media (max-width:900px){
      .tools-page .tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .tools-page .workflow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,1200px)}
      .topbar-welcome{display:none}
      .topbar-inner{justify-content:center}
      .topbar-contact{width:100%;justify-content:space-between;gap:10px}
      .topbar-contact a{font-size:12px}
      .logo span{max-width:130px;overflow:hidden;text-overflow:ellipsis}
      .member-entry,.account-btn{display:none}
      .tools-page .tools-hero{padding:58px 0 50px}
      .tools-page .tools-hero h1{font-size:38px;letter-spacing:-1px}
      .tools-page .tools-hero p{font-size:15px}
      .tools-page .hero-metrics{grid-template-columns:1fr;max-width:420px;margin-top:30px}
      .tools-page .tool-directory,.tools-page .workflow-section{padding:54px 0}
      .tools-page .section-heading{display:block}
      .tools-page .section-heading h2,.tools-page .workflow-title h2{font-size:27px}
      .tools-page .section-badge{display:inline-block;margin-top:15px}
      .tools-page .tools-grid{grid-template-columns:1fr}
      .tools-page .notice-panel{grid-template-columns:1fr;padding:27px}
      .tools-page .notice-panel a{justify-self:start}
      .footer-main{grid-template-columns:1fr;gap:30px;padding-top:48px}
      .footer-bottom{align-items:flex-start;flex-direction:column;justify-content:center;padding:18px 0}
    }
    @media (max-width:520px){
      .topbar-contact a:first-child{display:none}
      .topbar-contact{justify-content:center}
      .tools-page .workflow-grid{grid-template-columns:1fr}
      .tools-page .hero-actions{display:grid}
      .tools-page .primary-action,.tools-page .secondary-action{width:100%}
      .tools-page .tool-card{padding:20px}
    }