*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F4FBFF;color:#223044;font:16px/1.75 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#0877C9;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}img{max-width:100%}button{font:inherit;cursor:pointer}.shell{width:min(1160px,calc(100% - 36px));margin-inline:auto}.top{background:#fff;border-bottom:1px solid #d9ebf6;position:relative;z-index:30}.top-inner{width:min(1160px,calc(100% - 36px));min-height:76px;margin:auto;display:flex;align-items:center;gap:22px}.logo{display:flex;align-items:center;flex:0 0 170px;min-width:0;color:#0877C9;font-size:22px}.logo img{height:36px;width:150px;object-fit:contain}.primary{display:flex;align-items:center;gap:20px;white-space:nowrap;flex:1;justify-content:center}.primary a{color:#223044;min-height:46px;display:flex;align-items:center;border-bottom:2px solid transparent;font-weight:600}.primary a.active{color:#0877C9;border-color:#1CA8F6}.register{display:inline-flex;justify-content:center;align-items:center;flex:0 0 auto;min-width:86px;min-height:42px;border-radius:999px;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:white;font-weight:700}.register:hover{color:#fff;text-decoration:none;filter:brightness(.95)}.menu-toggle{display:none}.subnav{background:#EAF7FF;border-bottom:1px solid #d8edf8}.subnav .shell{display:flex;align-items:center;gap:17px;flex-wrap:wrap;padding:9px 0;font-size:14px;color:#5F7082}.subnav a{white-space:nowrap}.hero{padding:50px 0 25px;display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center}.eyebrow{color:#0877C9;font-weight:700;letter-spacing:.08em;font-size:13px}.hero h1,.page-intro h1{font-size:clamp(29px,3.5vw,40px);line-height:1.3;color:#0877C9;margin:10px 0 18px}.hero p,.page-intro p{color:#5F7082}.page-intro{padding:46px 0 14px;max-width:870px}.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;display:block}.media-placeholder{position:absolute;inset:0;background:linear-gradient(140deg,#EAF7FF,#d8edf9)}.hero .media{height:min(300px,27vw)}.card .media{height:clamp(140px,18vw,235px)}.image-grid .media{height:clamp(145px,19vw,250px)}.section{padding:24px 0 34px}.section h2{color:#0877C9;font-size:25px;margin:0 0 15px}.section p{margin:0 0 15px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:#fff;border:1px solid #dfedf6;border-radius:16px;padding:22px;box-shadow:0 6px 25px rgba(8,60,97,.04);min-width:0}.card h3{color:#0877C9;font-size:19px;margin:8px 0}.card p{margin:8px 0 0;color:#53677a}.card .media{margin-bottom:12px}.card a{font-weight:600}.list-links{display:flex;gap:17px;flex-wrap:wrap;padding:15px 0}.list-links a{border-bottom:1px solid #85c8f1}.article{background:#fff;border:1px solid #dcecf5;border-radius:18px;padding:30px;margin:20px 0 34px}.article h2{color:#0877C9;font-size:24px;margin:24px 0 10px}.article h3{color:#0877C9;font-size:20px}.article p{margin:0 0 16px}.article .media{margin:15px 0 25px;max-width:620px;height:260px}.brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.brand-card .media{height:185px;margin-bottom:10px}.brand-card h2{margin:6px 0;color:#0877C9;font-size:19px}.brand-card p{margin:0}.footer{background:#082A46;color:#EAF8FF;margin-top:45px;padding:42px 0 18px}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.footer h2{font-size:17px;color:#fff}.footer a{display:block;color:#EAF8FF;font-size:14px;padding:4px 0}.footer-note{border-top:1px solid #31556f;margin-top:28px;padding-top:16px;color:#d1e6f5;font-size:13px}.footer-note span{float:right}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.drawer-top{display:flex;justify-content:space-between;align-items:center;padding:22px;border-bottom:1px solid #dbeaf3;font-weight:700}.close-drawer{border:0;background:transparent;color:#0877C9;font-size:30px}.drawer-content{padding:12px 22px 50px;overflow:auto;max-height:calc(100vh - 75px)}.drawer-content h2{font-size:14px;color:#637d91;margin:18px 0 5px}.drawer-content a{display:block;min-height:44px;padding:7px 0;border-bottom:1px solid #e4eff6;color:#223044}.mobile-drawer,.drawer-mask{display:none}@media(max-width:980px){.primary{display:none}.top-inner{min-height:62px;justify-content:space-between;gap:10px}.menu-toggle{display:block;background:none;border:0;color:#0877C9;font-size:25px;width:44px;min-width:44px;height:44px}.logo{flex:1;justify-content:center}.logo img{height:28px;max-width:134px}.register{height:36px;min-height:36px;min-width:72px}.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}.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}.hero{grid-template-columns:1fr;gap:20px;padding-top:30px}.hero .media{height:180px}.grid,.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:100;background:#fff;border-top:1px solid #d2eaf7;box-shadow:0 -3px 15px #cfe2ee55}.mobile-bottom a{text-align:center;padding:11px 0;min-height:55px;font-size:14px;font-weight:700}.mobile-bottom a:last-child{color:#1CA8F6}.footer{padding-bottom:85px}}@media(max-width:600px){.shell,.top-inner{width:min(100% - 26px,1160px)}.grid,.grid.two,.brand-grid{grid-template-columns:1fr}.hero h1,.page-intro h1{font-size:30px}.card .media,.image-grid .media{height:165px}.article{padding:21px 18px}.article .media{height:170px}.footer-grid{grid-template-columns:1fr 1fr}.footer-note span{float:none;display:block}.subnav .shell{gap:10px;font-size:13px}.brand-card .media{height:165px}}