:root{--theme:#0B3D91;--ink:#10213d;--muted:#66758b;--line:#dfe7f1;--soft:#f4f7fb;--accent:#ef3d91;--teal:#0b7779;--white:#fff;--shadow:0 16px 40px rgba(16,33,61,.1)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7f9fc;font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif}
    body.drawer-locked{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{background:#07152c;color:#cbd8e9;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar-contact{display:flex;gap:20px}.topbar a:hover{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
    .header-inner{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:var(--ink)}
    .logo img{width:38px;height:38px;object-fit:contain}
    .logo span{font-size:18px}
    .main-nav{margin-left:auto}.nav-list{display:flex;align-items:stretch;gap:3px;list-style:none;padding:0;margin:0}
    .nav-item{position:relative}.nav-link{display:flex;align-items:center;height:76px;padding:0 15px;font-weight:600;white-space:nowrap}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"";width:6px;height:6px;margin:0 0 3px 8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,8px);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s ease}
    .dropdown-panel{width:270px;padding:14px;border-radius:0 0 12px 12px}.dropdown-panel a{display:block;padding:9px 10px;border-radius:7px}.dropdown-panel a:hover{background:var(--soft);color:var(--theme)}
    .dropdown-all,.mega-footer{color:var(--theme);font-weight:700;border-top:1px solid var(--line);margin-top:8px;padding-top:12px!important}
    .mega-menu{width:min(920px,calc(100vw - 40px));padding:22px;border-radius:0 0 16px 16px}
    .mega-host:hover .mega-menu,.mega-host:focus-within .mega-menu,.nav-item:focus-within .dropdown-panel,.nav-item:hover .dropdown-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
    .mega-title{margin:0 0 12px;font-weight:800;color:var(--ink)}
    .mega-grid{display:grid;gap:10px}.mega-grid-6{grid-template-columns:repeat(3,1fr)}.mega-grid-3{grid-template-columns:repeat(3,1fr)}
    .mega-card{display:flex;gap:10px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fbfdff}
    .mega-card:hover{border-color:var(--theme);transform:translateY(-2px)}
    .mega-card img{width:38px;height:38px;object-fit:cover;border-radius:7px;flex:none}
    .mega-card span{min-width:0}.mega-card strong,.mega-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mega-card strong{font-size:13px}.mega-card small{font-size:11px;color:var(--muted)}
    .mega-split{display:grid;grid-template-columns:180px 1fr;gap:22px}.mega-categories{display:grid;gap:7px}.mega-categories a{padding:6px 8px;background:var(--soft);border-radius:6px;font-size:13px}.mega-categories a:hover{color:var(--theme)}
    .header-btns{display:flex;align-items:center;gap:10px}.header-account{font-size:13px;color:var(--theme);font-weight:700}.header-open{padding:8px 16px;background:var(--theme);color:#fff;border-radius:7px;font-weight:700}
    .hamburger{display:none;border:0;background:none;padding:8px;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;margin:5px;background:var(--ink);transition:.2s}.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{display:none;position:fixed;inset:0;background:rgba(4,14,30,.58);z-index:40}.drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;z-index:50;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;transform:translateX(100%);transition:.25s ease;box-shadow:-12px 0 35px rgba(0,0,0,.18);overflow:auto}.mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line);font-weight:700}.drawer-head>a{margin-left:auto;color:var(--theme)}.drawer-close{border:0;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--muted)}
    .drawer-menu{padding:12px 20px 30px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font-weight:700;cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:var(--theme)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:5px 0 8px 14px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
    .tools-page{padding:64px 0 88px;background:linear-gradient(180deg,#f7faff 0,#fff 55%)}
    .tools-intro{text-align:center;max-width:720px;margin:0 auto 42px}.eyebrow{display:inline-block;color:var(--theme);font-weight:800;letter-spacing:.12em;font-size:12px;text-transform:uppercase}.tools-intro h1{font-size:clamp(32px,5vw,58px);line-height:1.15;margin:12px 0 15px;color:#091b39}.tools-intro p{margin:0;color:var(--muted);font-size:17px}
    .tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .tool-card{display:flex;flex-direction:column;min-height:240px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 24px rgba(18,45,80,.05);transition:.22s ease}.tool-card:hover{transform:translateY(-5px);border-color:#8da9d1;box-shadow:var(--shadow)}
    .tool-icon{width:58px;height:58px;object-fit:contain;border-radius:13px;background:#eef4ff;padding:10px;margin-bottom:18px}.tool-card h2{margin:0 0 8px;font-size:20px}.tool-card p{margin:0;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.tool-meta{margin-top:auto;padding-top:19px;display:flex;align-items:center;justify-content:space-between;color:#8a98aa;font-size:12px}.tool-link{color:var(--theme);font-weight:800}
    .tools-note{margin-top:34px;padding:20px 24px;border-left:4px solid var(--accent);background:#fff1f7;border-radius:8px;color:#5e4251}
    .footer{background:#07152c;color:#cbd8e9;padding:58px 0 22px}.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer .logo{color:#fff}.footer-brand p{color:#9eafc5;max-width:320px}.footer h3{margin:5px 0 15px;color:#fff;font-size:15px}.footer-links{display:grid;gap:8px}.footer-links a:hover,.footer-contact a:hover,.footer-search:hover{color:#fff}.footer-contact{display:grid;gap:9px}.footer-search{display:inline-block;color:#9fd5ff;font-size:13px}.footer-social{color:#9eafc5}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:#8ea1ba}.risk-note{text-align:right;max-width:630px}
    @media(max-width:1080px){.main-nav{display:none}.hamburger{display:block}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}.tool-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:700px){.container{width:min(100% - 28px,1180px)}.topbar-inner{padding:7px 0;align-items:flex-start}.topbar-contact{gap:8px;flex-direction:column;text-align:right}.header-inner{height:68px}.header-account{display:none}.header-open{padding:7px 12px}.tools-page{padding:45px 0 60px}.tools-intro{margin-bottom:28px}.tools-intro p{font-size:15px}.tool-grid{grid-template-columns:1fr;gap:14px}.tool-card{min-height:220px}.footer-main{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.risk-note{text-align:left;margin-top:12px}.mega-split,.mega-grid-6,.mega-grid-3{grid-template-columns:1fr}}