:root{--blue:#0B3D91;--blue-dark:#082b68;--coral:#f4775f;--cream:#fff8ec;--ink:#25272b;--muted:#6d737b;--line:#e8e5df;--white:#fff;--shadow:0 18px 50px rgba(11,61,145,.12)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f7f8fa;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{height:36px;color:#dfeaff;background:#092b63;font-size:13px}.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}.topbar-links{display:flex;gap:24px}.topbar a{color:#fff}
    .header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #edf0f5}.header-inner{height:78px;display:flex;align-items:center;gap:34px}.logo{display:flex;align-items:center;gap:10px;flex:none;font-weight:800;color:var(--blue);font-size:19px}.logo img{width:36px;height:36px;object-fit:contain}.main-nav{flex:1}.nav-list{display:flex;list-style:none;padding:0;margin:0;align-items:stretch;gap:4px}.nav-item{position:relative}.nav-link{height:78px;padding:0 15px;display:flex;align-items:center;white-space:nowrap;font-size:15px}.nav-link:hover,.nav-link:focus{color:var(--blue)}.has-arrow:after{content:"";width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin:0 0 4px 9px}.dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;min-width:260px;background:#fff;border:1px solid #e8edf5;border-radius:0 0 14px 14px;box-shadow:0 20px 42px rgba(8,43,104,.16);padding:20px}.nav-item:after{content:"";position:absolute;left:0;right:0;height:18px;top:100%}.nav-item:hover>.dropdown-panel,.nav-item:focus-within>.dropdown-panel,.nav-item:hover>.mega-menu,.nav-item:focus-within>.mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.mega-menu{width:min(850px,90vw)}.dropdown-inner{display:grid;gap:4px}.dropdown-inner>a,.mega-links a{padding:8px 10px;border-radius:8px}.dropdown-inner>a:hover,.mega-links a:hover{color:var(--blue);background:#f2f6fc}.mega-inner{display:block}.mega-heading{margin:0 0 13px;color:var(--blue);font-weight:800;font-size:14px}.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mega-card{display:flex;gap:9px;padding:9px;border:1px solid #edf0f5;border-radius:10px;min-width:0;background:#fff}.mega-card:hover{border-color:#adc3e8;background:#f7faff}.mega-card img{width:38px;height:38px;object-fit:cover;border-radius:7px;flex:none}.mega-card span{min-width:0;display:block}.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);line-height:1.5}.mega-columns{display:grid;grid-template-columns:150px 1fr;gap:22px}.mega-links{display:grid;gap:3px;font-size:13px}.mega-footer{display:inline-block;margin-top:16px;color:var(--blue);font-size:13px;font-weight:700}
    .header-btns{display:flex;align-items:center;gap:9px;white-space:nowrap}.member-btn{font-size:13px;color:var(--blue)}.open-btn{background:var(--coral);color:#fff;border-radius:999px;padding:8px 17px;font-size:13px;font-weight:700}.hamburger{display:none;width:40px;height:40px;border:1px solid #d9e0eb;border-radius:8px;background:#fff;padding:9px;cursor:pointer}.hamburger span{height:2px;background:var(--blue);display:block;margin:4px 0;transition:.2s}.hamburger.active span:first-child{transform:translateY(6px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:last-child{transform:translateY(-6px) rotate(-45deg)}
    .drawer-overlay{position:fixed;inset:0;background:rgba(4,19,42,.48);opacity:0;visibility:hidden;z-index:39;transition:.2s}.drawer-overlay.open{opacity:1;visibility:visible}.mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(390px,88vw);background:#fff;z-index:40;transform:translateX(100%);transition:.25s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{height:70px;display:flex;align-items:center;gap:16px;padding:0 20px;border-bottom:1px solid var(--line)}.drawer-head strong{flex:1;color:var(--blue)}.drawer-head a{color:var(--coral);font-weight:700;font-size:14px}.drawer-close{border:0;background:none;font-size:30px;color:#68707a;cursor:pointer}.drawer-menu{padding:15px 20px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:13px 0;border:0;border-bottom:1px solid #eff1f4;background:none;text-align:left;font:inherit;cursor:pointer}.drawer-toggle:after{content:"+";float:right;color:var(--blue);font-size:20px}.drawer-toggle.active:after{content:"−"}.drawer-submenu{display:none;padding:4px 0 7px 14px;border-left:2px solid #dce7f7}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
    .footer{background:#0a2858;color:#d5e0f1;padding:55px 0 20px;margin-top:70px}.footer .logo{color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:38px}.footer-brand p{font-size:13px;color:#b5c5dc}.footer h3{font-size:15px;color:#fff;margin:3px 0 14px}.footer-grid>div:not(.footer-brand) a{display:block;color:#c3d0e3;font-size:13px;margin:7px 0}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;margin-top:35px;display:flex;justify-content:space-between;gap:20px;color:#9db0cb;font-size:12px}
    .product-page{padding:42px 0 10px}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:22px}.breadcrumb a{color:var(--blue)}.product-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.product-main{min-width:0}.product-hero{background:var(--cream);border:1px solid #f2e8d6;border-radius:20px;padding:34px;display:grid;grid-template-columns:190px minmax(0,1fr);gap:30px;align-items:center}.product-cover{width:190px;height:190px;border-radius:18px;object-fit:cover;background:#fff;box-shadow:0 12px 30px rgba(34,38,45,.1)}.product-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.08em}.product-title{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:6px 0 14px;color:var(--blue-dark)}.product-summary{font-size:16px;color:#525861;margin:0 0 18px}.product-meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--muted);font-size:13px}.product-meta b{color:var(--ink)}.product-body-wrap{margin-top:25px;background:#fff;border:1px solid #e9edf3;border-radius:18px;padding:32px;min-width:0}.section-title{font-size:22px;color:var(--blue-dark);margin:0 0 22px;padding-left:14px;border-left:4px solid var(--coral)}.product-body{min-width:0;max-width:100%;overflow-x:auto;color:#454b53;font-size:15px}.product-body img,.product-body video{max-width:100%;height:auto}.product-body table{max-width:100%;border-collapse:collapse}.product-body td,.product-body th{border:1px solid #dfe5ed;padding:9px 12px}.product-body h2,.product-body h3{color:var(--blue-dark);margin-top:28px}.product-body blockquote{margin:20px 0;padding:15px 20px;background:#f3f7fc;border-left:4px solid var(--blue)}.product-aside{display:grid;gap:18px}.aside-card{background:#fff;border:1px solid #e9edf3;border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(20,50,90,.05)}.aside-card h2{font-size:17px;margin:0 0 14px;color:var(--blue-dark)}.aside-card p{font-size:13px;color:var(--muted);margin:7px 0}.aside-list{display:grid;gap:13px}.aside-product{display:grid;grid-template-columns:54px 1fr;gap:10px;align-items:center}.aside-product img{width:54px;height:54px;object-fit:cover;border-radius:9px;background:#f1f4f8}.aside-product strong{display:block;font-size:13px;line-height:1.4}.aside-product small{color:var(--muted);font-size:11px;display:block;line-height:1.4}.contact-btn{display:block;text-align:center;background:var(--blue);color:#fff;padding:11px;border-radius:9px;font-weight:700;font-size:14px;margin-top:14px}.risk-note{background:#fff8ec!important;border-color:#f4e0b9!important}.risk-note h2{color:#9b611b}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.tag-row span{background:#eef4fc;color:var(--blue);font-size:12px;padding:4px 10px;border-radius:99px}
    @media(max-width:980px){.main-nav{display:none}.header-inner{justify-content:space-between}.header-btns{margin-left:auto}.hamburger{display:block}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.product-layout{grid-template-columns:1fr}.product-aside{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:640px){.container{width:min(100% - 28px,1180px)}.topbar{height:auto;padding:7px 0}.topbar .container{align-items:flex-start;gap:5px;flex-direction:column}.topbar-links{gap:12px;flex-wrap:wrap}.header-inner{height:68px;gap:10px}.nav-list{display:none}.member-btn{display:none}.open-btn{padding:7px 12px}.logo{font-size:16px}.logo img{width:32px;height:32px}.product-page{padding-top:26px}.product-hero{grid-template-columns:1fr;padding:24px;text-align:center}.product-cover{margin:auto;width:145px;height:145px}.product-meta,.tag-row{justify-content:center}.product-body-wrap{padding:22px 17px}.product-title{font-size:30px}.product-aside{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}.mega-grid{grid-template-columns:1fr}.mega-columns{grid-template-columns:1fr}.dropdown-panel,.mega-menu{display:none}}