*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#222;font:16px/1.75 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}img,svg{max-width:100%}a{color:#5149cb;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid #ffc400;outline-offset:3px}.container{max-width:1160px;width:calc(100% - 40px);margin:0 auto}.topbar{background:#fff;border-bottom:1px solid #efedff;position:relative;z-index:100;box-shadow:0 4px 22px rgba(35,26,104,.035)}.topbar-inner{height:76px;display:flex;align-items:center;gap:22px;justify-content:space-between;min-width:0}.brand{display:flex;align-items:center;flex:0 0 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@media(max-width:980px){.topbar-inner{height:64px;display:grid;grid-template-columns:minmax(48px,1fr) auto minmax(80px,1fr);gap:8px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;align-items:center;width:44px;height:44px;border:0;background:transparent;padding:9px}.menu-toggle span{display:block;width:23px;height:2px;background:#231a68;border-radius:3px}.brand{flex:auto;justify-self:center}.brand .site-logo{height:28px;max-width:114px}.brand .logo-text{font-size:20px}.desktop-nav{display:none}.register-btn{justify-self:end;height:36px;min-height:36px;min-width:76px;padding:5px 11px;font-size:13px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;color:#222;z-index:12000;transform:translateX(-105%);transition:transform .2s ease}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(18,11,61,.42);z-index:11000;opacity:0;pointer-events:none}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-head{align-items:center;justify-content:space-between;padding:14px 19px;border-bottom:1px solid #eee}.drawer-head .site-logo{height:28px}.drawer-close{border:0;background:#f3f5ff;color:#231a68;font-size:28px;width:40px;height:40px;border-radius:9px}.drawer-scroll{height:calc(100dvh - 70px);overflow-y:auto;padding:10px 20px 35px}.drawer-group{flex-direction:column;padding:13px 0;border-bottom:1px solid #eee}.drawer-group strong{color:#231a68;margin:0 0 6px}.drawer-group a{padding:7px 5px;display:flex;align-items:center;min-height:40px;color:#4d4b60}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e9e9f5;z-index:200;height:62px;box-shadow:0 -5px 18px rgba(35,26,104,.05)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:40px;color:#231a68;font-size:14px;font-weight:700}.mobile-bottom a:last-child{color:#5f55f5}body{padding-bottom:62px}.back-top{bottom:77px}.hero-grid{grid-template-columns:1fr}.hero{padding:34px 0 23px}.hero h1,h1{font-size:30px}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-bottom{flex-wrap:wrap}.feature-media .media{height:220px}}
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@media(max-width:380px){.topbar-inner{gap:4px}.register-btn{padding:5px 8px;font-size:12px}.brand .logo-text{font-size:18px}.brand .site-logo{max-width:98px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}