*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;background:#F4FBFF;color:#223044;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}body.drawer-open{overflow:hidden}a{color:#0877C9;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% - 36px));margin:auto}.site-header{position:relative;z-index:50;background:#fff;border-bottom:1px solid #deeff9}.header-inner{min-height:75px;display:flex;align-items:center;justify-content:space-between;gap:22px;white-space:nowrap}.logo{flex:0 1 225px;min-width:0;display:flex;align-items:center;color:#0877C9}.logo img{height:36px;width:auto;max-width:100%;object-fit:contain}.logo strong{font-size:23px}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:clamp(8px,2vw,28px);flex:1;min-width:0}.desktop-nav a{display:inline-flex;min-height:42px;align-items:center;white-space:nowrap;color:#223044;padding:0 2px;border-bottom:2px solid transparent}.desktop-nav a.active{color:#0877C9;border-bottom-color:#1CA8F6}.register{flex-shrink:0;display:inline-flex;min-height:42px;min-width:90px;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);font-weight:700;color:#fff}.register:hover{color:#fff;filter:brightness(.96);text-decoration:none}.menu-button{display:none;border:0;background:none;color:#0877C9;min-width:44px;min-height:42px;font-size:25px}.mobile-drawer,.drawer-mask{display:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d8ecf8;padding:13px 16px}.drawer-logo{display:flex;align-items:center;font-weight:700}.drawer-logo img{height:28px;width:auto;max-width:180px;object-fit:contain}.drawer-close{background:none;border:0;font-size:32px;color:#223044;min-width:40px;min-height:40px}.drawer-section{padding:12px 18px;border-bottom:1px solid #e3f0f9}.drawer-section h2{font-size:13px;letter-spacing:2px;color:#5F7082;margin:5px 0}.drawer-section a{display:block;min-height:40px;padding:7px 4px;color:#223044}.mobile-tab{display:none}.page{padding:42px 0 60px}.eyebrow{font-size:13px;font-weight:700;letter-spacing:3px;color:#0877C9}.page h1{font-size:clamp(28px,3.2vw,40px);line-height:1.25;color:#0877C9;margin:10px 0 18px}.lead{font-size:17px;max-width:870px;color:#42566b}.section{margin:30px 0;padding:26px;background:#fff;border:1px solid #dfeff8;border-radius:18px;box-shadow:0 8px 24px rgba(27,104,152,.035)}.section h2{font-size:23px;line-height:1.4;color:#0877C9;margin:0 0 12px}.section h3{color:#0877C9;font-size:18px;margin:0 0 8px}.section p{margin:10px 0;color:#33465b}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:20px;background:#fff;border:1px solid #dcebf7;border-radius:15px;min-width:0}.card h3{margin:9px 0;color:#0877C9;font-size:18px}.card p{margin:8px 0;color:#42566b}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#EAF7FF;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-empty{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(135deg,#eaf7ff,#d9effc);color:#5F7082;font-size:14px;letter-spacing:2px}.hero-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0}.hero-strip .media{max-height:260px}.linkline{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}.linkline a{display:inline-flex;align-items:center;min-height:40px;padding:4px 12px;background:#EAF7FF;border-radius:9px}.toc{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.toc a{background:#fff;padding:7px 15px;border:1px solid #d9edf9;border-radius:10px;min-height:40px}.faq-item{padding:15px 0;border-bottom:1px solid #e7f2f8}.faq-item:last-child{border:0}.faq-item h3{margin:0 0 5px;color:#0877C9}.faq-item p{margin:4px 0}.site-footer{background:#082A46;color:#EAF8FF;margin-top:30px;padding:38px 0 18px}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.footer-grid h2{font-size:17px;color:#fff}.footer-grid a{display:block;min-height:40px;color:#EAF8FF}.footer-bottom{padding-top:23px;margin-top:22px;border-top:1px solid rgba(255,255,255,.17);font-size:14px;color:#EAF8FF}.footer-bottom span{white-space:nowrap}.brand-row{display:grid;grid-template-columns:205px minmax(0,1fr);gap:18px;align-items:center;padding:15px 0;border-bottom:1px solid #e5f1fa}.brand-row:last-child{border:0}.brand-row .media{max-height:125px}.brand-row h2{font-size:19px;margin:0 0 6px}.brand-row p{margin:0}.notice{border-left:3px solid #1CA8F6;padding-left:17px}.article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}@media(max-width:980px){.header-inner{min-height:62px;display:grid;grid-template-columns:1fr auto 1fr;gap:8px}.menu-button{display:block;justify-self:start}.logo{justify-self:center;flex:auto}.logo img{height:28px;max-width:155px}.logo strong{font-size:19px}.desktop-nav{display:none}.register{justify-self:end;min-height:36px;min-width:72px;padding:0 13px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;color:#223044;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;overflow-y:auto;max-height:100dvh}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(8,42,70,.42);z-index:11000;opacity:0;pointer-events:none}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.mobile-tab{display:grid;position:fixed;bottom:0;left:0;right:0;z-index:900;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #d5eaf8;box-shadow:0 -3px 20px rgba(8,42,70,.07)}.mobile-tab a{min-height:58px;display:grid;place-items:center;font-size:14px}.page{padding:28px 0 100px}.footer-bottom{padding-bottom:64px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-strip .media{max-height:180px}}@media(max-width:650px){.container{width:min(100% - 28px,1160px)}.page h1{font-size:30px}.grid,.grid.two,.article-list{grid-template-columns:1fr}.hero-strip{grid-template-columns:1fr;gap:9px}.hero-strip .media{height:170px;aspect-ratio:auto}.section{padding:19px;margin:20px 0}.section h2{font-size:21px}.brand-row{grid-template-columns:1fr}.brand-row .media{max-height:160px}.footer-grid{grid-template-columns:1fr 1fr;gap:16px}.footer-grid>div:last-child{grid-column:span 2}}