*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#eaf2fb;color:#24364f;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}a{color:#137cd8;text-decoration:none}a:hover{color:#095da8}button{font:inherit;cursor:pointer}img{max-width:100%}.shell{width:calc(100% - 48px);max-width:1160px;margin:0 auto}.site-header{position:sticky;top:0;background:#fff;z-index:1000;box-shadow:0 3px 18px #152f4810}.header-inner{height:70px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;white-space:nowrap;color:#137cd8;font-size:19px;font-weight:800;line-height:1.2}.logo .media{width:44px;height:38px;background:transparent;flex-shrink:0}.logo .media img{max-height:37px}.brand-text small,.foot-brand small{display:block;font-size:10px;letter-spacing:1.3px;color:#5d718a}.primary-nav{display:flex;align-items:center;gap:22px;margin:auto;white-space:nowrap;height:100%}.primary-nav a{display:flex;align-items:center;height:100%;font-size:14px;color:#24364f;border-bottom:2px solid transparent}.primary-nav a:hover,.primary-nav a.active{border-color:#137cd8;color:#137cd8}.registration,.btn{background:#137cd8;color:#fff;border-radius:50px;padding:8px 20px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;min-height:40px}.registration:hover,.btn:hover{background:#0967bc;color:#fff}.channel-bar{background:#f7fbff;border-bottom:1px solid #dbeafa}.channel-inner{display:flex;align-items:center;min-height:44px;gap:0;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.channel-inner a{font-size:13px;padding:0 16px;color:#5d718a;border-right:1px solid #dce8f4}.channel-inner a:first-child{padding-left:0}.channel-inner a.active,.channel-inner a:hover{color:#137cd8}.page{padding:35px 0 54px}.crumb{font-size:13px;color:#5d718a;margin-bottom:15px}.panel,.card,.article,.hero{background:#fff;border:1px solid #dbe9f8;border-radius:12px;box-shadow:0 8px 26px #153b5b08}.panel{padding:26px}.hero{display:grid;grid-template-columns:54fr 46fr;gap:28px;align-items:center;padding:28px}.hero-home .hero-image{order:2}.hero h1{font-size:36px;line-height:1.32;margin:5px 0 18px;color:#102b46}.hero p,.intro{color:#5d718a}.hero .lead-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.lead-links a{border:1px solid #cce4fb;padding:7px 14px;border-radius:30px;background:#f7fbff}.eyebrow{font-size:13px;color:#137cd8;letter-spacing:.8px;font-weight:700}h1,h2,h3{line-height:1.38;color:#102b46}h1{font-size:32px}h2{font-size:24px}h3{font-size:19px}p{margin:0 0 16px}.section{margin-top:40px}.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:15px;margin:0 0 18px}.section-title h2{margin: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}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{padding:20px;min-width:0}.card h3{margin:0 0 12px}.card p{font-size:15px;color:#5d718a}.card a.more{font-size:14px;font-weight:bold}.article{padding:30px}.article-head{padding-bottom:16px;border-bottom:1px solid #e1edf7;margin-bottom:24px}.article-head h1{margin:6px 0 14px}.article-body{max-width:810px}.article-body h2{margin:32px 0 12px;font-size:23px}.article-body p{font-size:16px;line-height:1.85}.article-body .aside-note{background:#f7fbff;border-left:3px solid #137cd8;padding:16px;border-radius:5px;color:#5d718a}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-link{border:1px solid #cfe5f8;border-radius:9px;background:#f7fbff;padding:12px;display:flex;justify-content:space-between;align-items:center;font-size:14px}.media{display:flex;align-items:center;justify-content:center;width:100%;max-width:100%;min-width:0;overflow:hidden;border-radius:12px;background:#edf5ff}.media img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.media-wide{aspect-ratio:16/9}.media-banner{aspect-ratio:16/7}.media-square{aspect-ratio:1/1}.media-portrait{aspect-ratio:3/4}.media-device{aspect-ratio:9/16;max-height:340px}.media-natural img{width:100%;height:auto;max-height:280px;object-fit:contain;margin:auto}.media-placeholder{width:100%;height:100%;background:#edf5ff}.hero .media{max-height:290px}.media-grid .media{max-height:190px}.logo-grid .media{height:120px}.logo-grid .card{padding:13px}.logo-grid h3{font-size:15px;margin:10px 0 4px}.logo-grid p{font-size:13px;margin:0}.news-list{counter-reset:items;display:grid;gap:12px}.news-item{background:#fff;border:1px solid #dbe9f8;border-radius:12px;padding:18px 20px;display:flex;gap:18px}.news-item:before{counter-increment:items;content:counter(items,decimal-leading-zero);color:#137cd8;font-size:22px;font-weight:bold}.news-item h3{margin:0 0 6px}.news-item p{color:#5d718a;font-size:14px;margin:0}.content-split{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}.device-split{display:grid;grid-template-columns:1.5fr .65fr;gap:25px;align-items:center}.device-split .media{max-height:340px}.faq-item{margin:0 0 12px;background:#fff;padding:18px 24px;border-radius:12px;border:1px solid #dbe9f8}.faq-item h2{font-size:18px;margin:0 0 6px}.faq-item p{margin:0}.site-footer{background:#102b46;color:#eaf6ff;padding:50px 0 20px}.site-footer h2{color:#fff;font-size:17px;margin:0 0 15px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer-grid a:not(.foot-brand){display:block;color:#c8e5fb;font-size:14px;padding:2px 0}.footer-grid p{font-size:14px;color:#c8e5fb}.foot-brand{color:#fff;font-size:22px;font-weight:bold}.foot-brand small{color:#b2cee7}.footer-bottom{border-top:1px solid #416079;padding-top:15px;margin-top:32px;display:flex;justify-content:space-between;gap:24px;font-size:12px;color:#c8e5fb}.footer-bottom p{margin:0}.menu-toggle,.mobile-bottom,.mobile-drawer,.drawer-mask{display:none}.callout{background:#f7fbff;border-radius:12px;padding:22px;border:1px solid #dbe9f8}.small-note{color:#5d718a;font-size:13px}.brand-list{padding-left:20px}.brand-list li{margin-bottom:8px}@media(max-width:1100px){.header-inner{gap:18px}.primary-nav{gap:12px}}@media(max-width:980px){.shell{width:calc(100% - 40px)}.header-inner{height:58px;justify-content:space-between;gap:10px}.menu-toggle{display:flex;flex-direction:column;gap:5px;border:0;background:transparent;padding:10px 5px;flex-shrink:0}.menu-toggle span{display:block;width:24px;height:2px;background:#24364f}.logo{margin:0 auto;font-size:17px}.logo .media{width:35px;height:30px}.logo .media img{max-height:30px}.brand-text small{font-size:8px}.primary-nav{display:none}.registration{min-height:36px;padding:6px 12px;font-size:12px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100dvh;overflow-y:auto;background:#fff;z-index:12000;transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .2s ease,visibility .2s}.mobile-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(16,43,70,.38);z-index:11000;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility .18s}.drawer-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}body.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:15px 19px;border-bottom:1px solid #dbe9f8}.drawer-close{border:0;background:#f7fbff;color:#24364f;font-size:27px;width:40px;height:40px}.drawer-group{padding:12px 16px;border-bottom:1px solid #eaf2fb}.drawer-group h2{font-size:13px;color:#5d718a;margin:5px}.drawer-group a{display:block;min-height:42px;padding:8px 10px;color:#24364f}.drawer-group a.active{color:#137cd8}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;height:60px;background:#fff;box-shadow:0 -4px 18px #102b4620;z-index:1000}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#5d718a;font-size:14px}.mobile-bottom a.active{color:#137cd8;font-weight:bold}.site-footer{padding-bottom:83px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.shell{width:calc(100% - 32px)}body{font-size:15px}.page{padding:22px 0 35px}.hero{grid-template-columns:1fr;padding:16px;gap:14px}.hero-home .hero-image{order:-1}.hero h1{font-size:27px}.hero .media{max-height:195px}.grid-4,.grid-3,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card{padding:14px}.card h3{font-size:16px}.card p{font-size:13px}.section{margin-top:28px}.section-title h2{font-size:21px}.content-split,.device-split{grid-template-columns:1fr}.device-split .media{max-height:260px}.device-split .media{order:-1}.article{padding:20px 17px}.article h1{font-size:25px}.article-body h2{font-size:20px}.article-body p{font-size:15px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{gap:20px}.footer-bottom{display:block}.media-grid .media{max-height:150px}.logo-grid .media{height:95px}.news-item{padding:14px;gap:11px}.news-item h3{font-size:16px}.news-item:before{font-size:17px}}@media(max-width:360px){.logo{font-size:15px;gap:4px}.logo .media{width:28px}.registration{padding:5px 9px;font-size:11px}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-2{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.foot-brand{font-size:18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}