*{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}img,svg{max-width:100%}a{color:#0877C9;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;touch-action:manipulation}a:focus-visible,button:focus-visible{outline:3px solid #38C7FF;outline-offset:3px}.wrap{width:min(1160px,calc(100% - 36px));margin-inline:auto}.skip-link{position:absolute;left:-9999px;z-index:13000;background:white;padding:12px}.skip-link:focus{left:10px;top:8px}.site-header{position:relative;z-index:100;background:#fff;border-bottom:1px solid #DAEBF5;box-shadow:0 3px 18px rgba(10,64,100,.045)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:78px;min-width:0}.site-logo{display:flex;align-items:center;min-width:170px;white-space:nowrap;color:#0877C9;font-size:25px}.site-logo img{height:36px;width:auto;max-width:175px;object-fit:contain}.desktop-nav{display:flex;align-items:stretch;justify-content:center;gap:24px;height:100%;white-space:nowrap;min-width:0}.desktop-nav a{display:flex;align-items:center;justify-content:center;padding:0 5px;border-bottom:2px solid transparent;color:#223044;font-size:16px;font-weight:600}.desktop-nav a.active{border-bottom-color:#1CA8F6;color:#0877C9}.register-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:94px;padding:0 21px;border-radius:100px;color:#fff;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);font-weight:700;white-space:nowrap;box-shadow:0 5px 14px rgba(28,168,246,.22)}.register-btn:hover{color:#fff;text-decoration:none;filter:brightness(1.04)}.menu-toggle{display:none}.mobile-drawer,.drawer-mask{display:none}main{min-height:60vh}.hero{padding:48px 0 22px}.hero h1,.page-lead h1{font-size:clamp(28px,3.3vw,38px);line-height:1.34;color:#0877C9;margin:0 0 17px;letter-spacing:.3px}.hero p,.page-lead p{max-width:870px;margin:0 0 15px;color:#5F7082}.page-lead{padding:44px 0 10px}.eyebrow{display:inline-block;color:#0877C9;font-weight:700;letter-spacing:.08em;font-size:14px;margin-bottom:10px}.content-section{padding:16px 0 24px}.content-section h2,.section-title{font-size:24px;color:#0877C9;line-height:1.35;margin:0 0 16px}.content-section h3{color:#0877C9;font-size:19px;margin:0 0 8px}.content-section p{margin:0 0 13px}.card{min-width:0;background:#fff;border:1px solid #E1EFF7;border-radius:17px;padding:24px;box-shadow:0 8px 23px rgba(8,70,110,.035)}.card p:last-child{margin-bottom:0}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.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-placeholder{position:absolute;inset:0;background:linear-gradient(140deg,#EAF7FF,#DDF1FF)}.media-placeholder:after{content:"";position:absolute;inset:30% 40%;border:2px solid rgba(28,168,246,.11);border-radius:50%}.poster-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:23px}.poster-row .media{height:235px;aspect-ratio:auto}.illustrated{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:25px;align-items:center}.illustrated .media{height:235px;aspect-ratio:auto}.text-link{font-weight:700;display:inline-flex;align-items:center;min-height:40px}.text-link::after{content:" →"}.channel-strip{background:#EAF7FF;border-block:1px solid #DCEEF9;padding:15px 0}.channel-strip .wrap{display:flex;gap:20px;flex-wrap:wrap}.channel-strip a{display:inline-flex;align-items:center;min-height:40px;font-size:14px;font-weight:700}.brand-card .media{height:200px;aspect-ratio:auto;margin-bottom:12px}.brand-card h2{font-size:20px;color:#0877C9;margin:0 0 8px}.brand-card p{margin:0}.note{background:#EAF7FF;border-left:3px solid #1CA8F6;padding:15px 18px;border-radius:0 12px 12px 0}.question{background:#fff;border-radius:14px;border:1px solid #E1EFF7;padding:20px;margin-bottom:12px}.question h3{margin:0 0 7px;color:#0877C9;font-size:18px}.question p{margin:0}.site-footer{background:#082A46;color:#EAF8FF;margin-top:45px;padding:38px 0 96px}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.footer-grid h2{font-size:17px;color:#fff;margin:0 0 12px}.footer-grid a{display:block;color:#EAF8FF;min-height:36px;font-size:14px}.footer-bottom{border-top:1px solid rgba(234,248,255,.18);margin-top:25px;padding-top:19px;font-size:13px;display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}.bottom-nav{display:none}.drawer-head,.drawer-scroll{display:none}.brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.small-copy{font-size:14px;color:#5F7082}
@media(max-width:980px){.desktop-nav{display:none}.header-inner{height:62px;display:grid;grid-template-columns:76px minmax(0,1fr) 76px;gap:6px;align-items:center}.site-logo{min-width:0;justify-content:center;font-size:20px}.site-logo img{height:28px;max-width:148px}.register-btn{height:36px;min-width:72px;padding:0 12px;font-size:14px}.menu-toggle{display:flex;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border:0;background:transparent;padding:7px}.menu-toggle span{display:block;width:23px;height:2px;background:#0877C9;border-radius:2px}.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}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:13px 17px;border-bottom:1px solid #E1EFF7;height:62px}.drawer-logo img{height:28px;width:auto;object-fit:contain}.drawer-logo strong{color:#0877C9}.drawer-close{border:0;background:#EAF7FF;color:#0877C9;font-size:29px;width:42px;height:42px;line-height:1}.drawer-scroll{display:block;padding:10px 20px 45px;overflow:auto;max-height:calc(100vh - 62px)}.drawer-scroll h2{font-size:13px;letter-spacing:.1em;color:#5F7082;margin:16px 0 5px}.drawer-scroll a{display:flex;align-items:center;min-height:43px;color:#223044;border-bottom:1px solid #EFF6FB}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:1000;display:grid;grid-template-columns:repeat(4,1fr);height:60px;padding-bottom:env(safe-area-inset-bottom);background:#fff;box-shadow:0 -4px 20px rgba(8,42,70,.1)}.bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:40px;color:#0877C9;font-size:14px;font-weight:700}.bottom-nav a:last-child{background:#EAF7FF}.site-footer{padding-bottom:102px}.grid-3,.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.illustrated{grid-template-columns:1fr}.hero{padding-top:34px}}
@media(max-width:600px){.wrap{width:min(100% - 28px,1160px)}.hero h1,.page-lead h1{font-size:29px}.page-lead{padding-top:28px}.content-section h2,.section-title{font-size:22px}.card{padding:18px}.poster-row{gap:10px}.poster-row .media{height:160px}.illustrated .media{height:158px}.brand-card .media{height:150px}.grid-3,.grid-2,.brand-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:22px}.site-footer{margin-top:30px}.channel-strip .wrap{gap:8px 19px}.question{padding:17px}}
@media(min-width:601px) and (max-width:980px){.poster-row .media{height:190px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}