:root{--blue:#0B3D91;--ink:#18231f;--muted:#68746d;--line:#dfe6df;--mist:#f4f7f3;--white:#fff;--green:#496b54}
    *{box-sizing:border-box}html,body{margin:0;padding:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#f7f9f6}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 36px));margin:auto}
    .topbar{background:#17251e;color:#dce6de;font-size:13px}.topbar .container{min-height:34px;display:flex;align-items:center;justify-content:space-between}.topbar-right{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:34px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap;color:var(--blue)}.logo img{width:34px;height:34px;object-fit:contain}.logo span{font-size:18px}.main-nav{flex:1}.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}.nav-item{position:relative}.nav-link{display:block;padding:29px 13px;font-size:14px;white-space:nowrap}.nav-link:hover,.nav-link:focus{color:var(--blue)}.has-arrow:after{content:"⌄";margin-left:6px;color:#8b968d}.mega-menu,.dropdown-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:360px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:0 0 12px 12px;box-shadow:0 18px 40px #1a312022;opacity:0;visibility:hidden;transition:.2s;z-index:30}.mega-menu{width:620px}.nav-item:after{content:"";position:absolute;left:0;right:0;height:12px;top:100%}.nav-item:hover .mega-menu,.nav-item:hover .dropdown-panel,.nav-item:focus-within .mega-menu,.nav-item:focus-within .dropdown-panel{opacity:1;visibility:visible}.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.menu-title{margin:0 0 12px;color:var(--blue);font-weight:700;font-size:14px}.menu-list{display:grid;gap:9px}.menu-list a,.mega-footer{font-size:13px;color:#4c5b51}.menu-list a:hover,.mega-footer:hover{color:var(--blue)}.mega-footer{display:block;margin-top:15px;padding-top:12px;border-top:1px solid var(--line);font-weight:700}.broker-mini,.video-mini,.tool-mini,.product-mini{display:flex;align-items:center;gap:9px;padding:7px 0;font-size:12px}.broker-mini img,.video-mini img,.product-mini img{width:36px;height:30px;object-fit:cover;border-radius:5px;background:#eef2ed}.tool-mini img{width:30px;height:30px;object-fit:contain}.broker-mini b,.tool-mini b{font-size:13px}.header-btns{display:flex;align-items:center;gap:9px;white-space:nowrap}.member-btn,.open-btn{font-size:13px;padding:9px 13px;border-radius:6px}.member-btn{color:var(--blue);border:1px solid #c8d5e9}.open-btn{background:var(--blue);color:#fff}.hamburger{display:none;border:0;background:transparent;padding:7px;cursor:pointer}.hamburger span{display:block;width:23px;height:2px;background:var(--ink);margin:5px 0;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:#11251c66;z-index:50}.drawer-overlay.open{display:block}.mobile-drawer{position:fixed;right:-360px;top:0;width:min(350px,88vw);height:100vh;background:#fff;z-index:60;transition:right .25s;overflow:auto;box-shadow:-12px 0 30px #14251d22}.mobile-drawer.open{right:0}.drawer-head{display:flex;align-items:center;gap:15px;padding:20px;border-bottom:1px solid var(--line);font-weight:700}.drawer-head a{margin-left:auto;color:var(--blue);font-size:14px}.drawer-close{border:0;background:none;font-size:27px;color:var(--muted);cursor:pointer}.drawer-menu{padding:10px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:15px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font:inherit;color:var(--ink);cursor:pointer}.drawer-toggle:after{content:"＋";float:right;color:var(--muted)}.drawer-toggle.active:after{content:"－"}.drawer-submenu{display:none;padding:4px 0 8px 15px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:9px 0;font-size:13px;color:var(--muted)}
    .tools-page{padding:64px 0 86px;background:linear-gradient(180deg,#edf3ed 0,#f8faf7 430px)}.tools-intro{text-align:center;max-width:720px;margin:0 auto 42px}.eyebrow{display:inline-block;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:2px;margin-bottom:13px}.tools-intro h1{font-size:clamp(30px,5vw,52px);line-height:1.16;margin:0 0 16px;color:#20372a}.tools-intro p{margin:0;color:var(--muted);line-height:1.9}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;min-height:220px;display:flex;flex-direction:column;box-shadow:0 8px 24px #29412d0b;transition:.2s}.tool-card:hover{transform:translateY(-4px);border-color:#b8cbbd;box-shadow:0 15px 30px #29412d18}.tool-icon{width:54px;height:54px;object-fit:contain;margin-bottom:16px;border-radius:12px;background:#edf3ed;padding:8px}.tool-card h2{font-size:19px;margin:0 0 10px;color:#263d2e}.tool-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 20px;flex:1}.tool-card .tool-link{color:var(--blue);font-size:13px;font-weight:700}.tools-note{margin:42px auto 0;padding:20px 24px;max-width:780px;background:#e6eee7;border-left:4px solid var(--blue);color:#4d6053;line-height:1.8;font-size:14px}
    .footer{background:#17251e;color:#cbd8ce;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px}.footer p{font-size:13px;line-height:1.8;color:#aebeb2}.footer h3{font-size:15px;color:#fff;margin:0 0 16px}.footer-grid a{display:block;font-size:13px;color:#b9c9bd;margin:10px 0}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff1c;margin-top:35px;padding-top:18px;font-size:12px;color:#91a398}
    @media(max-width:900px){.main-nav{display:none}.header-inner{height:66px}.header-btns{margin-left:auto}.hamburger{display:block}.member-btn{display:none}.tool-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:560px){.topbar .container{display:block;padding:8px 0}.topbar-right{margin-top:4px;gap:12px}.open-btn{display:none}.tools-page{padding-top:42px}.tool-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block;line-height:1.8}.footer-bottom span{display:block}.mega-menu,.dropdown-panel{display:none}}