*{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}a{color:#5146d9;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}img{max-width:100%}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;top:-60px;left:16px;background:#fff;padding:8px;z-index:20000}.skip-link:focus{top:4px}.site-header{background:#fff;border-bottom:1px solid #ececf4;position:sticky;top:0;z-index:1000}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;flex-shrink:0;color:#231a68}.brand img{display:block;height:36px;width:auto;max-width:160px;object-fit:contain}.logo-text{font-size:22px;font-weight:800;white-space:nowrap}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:clamp(12px,2vw,28px);white-space:nowrap;min-width:0}.desktop-nav a{height:76px;display:inline-flex;align-items:center;color:#303042;border-bottom:2px solid transparent;font-weight:600}.desktop-nav a.active{color:#5F55F5;border-bottom-color:#FFC400}.register-link{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 19px;border-radius:999px;color:#fff;background:linear-gradient(135deg,#5F55F5 0%,#7668FF 48%,#FFC400 100%);font-weight:700;white-space:nowrap}.register-link:hover{color:#fff;text-decoration:none;filter:brightness(.98)}.menu-toggle{display:none}.mobile-drawer,.drawer-mask{display:none}body.drawer-open{overflow:hidden}.page-hero{padding:52px 0 32px;background:#F7F8FC}.page-hero h1,.home-hero h1{color:#231A68;line-height:1.25;font-size:clamp(29px,3.3vw,39px);margin:0 0 18px}.lead{color:#5F6472;max-width:850px;font-size:17px}.home-hero{padding:56px 0 34px;background:#F7F8FC}.section{padding:42px 0}.section.tint{background:#F7F8FC}.section.soft{background:#F3F5FF}.section h2{font-size:25px;color:#231A68;line-height:1.4;margin:0 0 18px}.section h3{font-size:19px;color:#231A68;margin:0 0 10px}.section p{margin:0 0 16px}.eyebrow{color:#5F55F5;font-weight:700;letter-spacing:.06em;margin-bottom:8px}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:#fff;border:1px solid #e9e9f6;border-radius:16px;padding:24px;min-width:0;box-shadow:0 9px 28px rgba(35,26,104,.045)}.card p:last-child{margin-bottom:0}.card a.text-link,.text-link{font-weight:700}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#F3F5FF;aspect-ratio:16/9}.media > img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-fallback{display:flex;width:100%;height:100%;align-items:center;justify-content:center;background:linear-gradient(135deg,#F3F5FF,#E9E7FF)}.fallback-mark{width:25%;height:42%;border:2px solid #c9c7fa;border-radius:14px;transform:rotate(-10deg);opacity:.7}.photo-strip .media{height:220px;aspect-ratio:auto}.feature-media{height:245px;aspect-ratio:auto}.hero-media{height:265px;aspect-ratio:auto}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}.quick-links{display:flex;flex-wrap:wrap;gap:13px;margin-top:20px}.quick-links a{display:inline-block;background:#F3F5FF;border-radius:40px;padding:7px 18px;min-height:40px}.article{max-width:920px;margin:0 auto}.article p{margin:0 0 17px}.article h2{margin:34px 0 13px}.article ul{padding-left:25px}.article li{margin-bottom:11px}.related{border-top:1px solid #e5e5f3;padding-top:18px;margin-top:34px}.brand-card .media{height:180px;aspect-ratio:auto;margin-bottom:16px}.brand-card h2{font-size:21px;margin:0 0 10px}.brand-card p{margin:0}.number{color:#5F55F5;font-size:13px;font-weight:700}.site-footer{background:#120B3D;color:#EDEBFF;padding:42px 0 20px}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.site-footer h2{font-size:18px;color:#fff;margin:0 0 14px}.site-footer a{color:#EDEBFF;display:block;width:fit-content;padding:4px 0}.footer-bottom{border-top:1px solid #413a67;margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:14px}.bottom-nav{display:none}.back-top{position:fixed;bottom:25px;right:20px;border:0;border-radius:50%;width:42px;height:42px;background:#5F55F5;color:#fff;z-index:500;box-shadow:0 4px 18px #231a6830}.mobile-drawer nav{padding:4px 20px 30px;overflow:auto;max-height:calc(100vh - 80px)}.mobile-drawer nav h2{font-size:14px;color:#5F55F5;margin:15px 0 5px}.mobile-drawer nav a{display:block;padding:8px 12px;min-height:40px;color:#222;border-bottom:1px solid #f0eff6}.drawer-heading{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eee}.drawer-close{border:0;background:none;color:#231A68;font-size:32px;line-height:1;width:40px;height:40px}.home-intro{max-width:880px}.prompt-list{margin:0;padding-left:25px}.prompt-list li{margin:0 0 14px}
@media(max-width:980px){
.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}
.header-inner{height:62px;display:grid;grid-template-columns:1fr auto 1fr;gap:6px;width:calc(100% - 24px)}.desktop-nav{display:none}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:10px;background:none;border:0;justify-self:start}.menu-toggle span{display:block;height:2px;width:22px;background:#231A68}.header-inner>.brand{justify-self:center}.header-inner>.brand img{height:28px;max-width:116px}.header-inner>.brand .logo-text{font-size:19px}.header-inner>.register-link{justify-self:end;min-height:36px;min-width:76px;padding:0 11px;font-size:13px}.drawer-heading .brand img{height:28px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #e8e6fa;z-index:900;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:55px;color:#231A68;font-weight:700}.bottom-nav a:last-child{color:#5F55F5}body{padding-bottom:calc(55px + env(safe-area-inset-bottom))}.back-top{bottom:76px}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.photo-strip .media{height:170px}.feature-media{height:210px}
}
@media(max-width:640px){.container{width:calc(100% - 30px)}.page-hero{padding:34px 0 20px}.home-hero{padding:34px 0 24px}.home-hero h1,.page-hero h1{font-size:30px}.lead{font-size:16px}.section{padding:30px 0}.section h2{font-size:22px}.grid-3,.grid-2,.split,.footer-grid{grid-template-columns:1fr}.card{padding:19px}.photo-strip .media{height:160px}.feature-media{height:160px}.hero-media{height:175px}.brand-card .media{height:160px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}