*{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{text-decoration:underline}button{font:inherit;cursor:pointer}img{max-width:100%}.container{width:min(1160px,calc(100% - 48px));margin-inline:auto}.site-header{height:70px;background:#fff;position:sticky;top:0;z-index:500;box-shadow:0 1px 12px rgba(16,43,70,.08)}.header-inner{height:100%;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto;color:#102B46;text-decoration:none}.brand .media{width:42px;height:38px;background:transparent}.brand-name{font-size:19px;font-weight:800;line-height:1.15;white-space:nowrap}.brand-name small{display:block;letter-spacing:1.4px;font-size:9px;color:#5D718A;margin-top:4px}.desktop-nav{display:flex;align-items:stretch;height:100%;gap:clamp(13px,1.7vw,26px);margin-inline:auto;white-space:nowrap}.desktop-nav a{display:flex;align-items:center;font-size:14px;border-bottom:2px solid transparent;color:#24364F;padding-top:2px}.desktop-nav a.is-active,.desktop-nav a:hover{color:#137CD8;border-bottom-color:#137CD8;text-decoration:none}.reg-button,.primary-button{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;border-radius:999px;background:#137CD8;color:white;padding:9px 20px;font-size:14px;font-weight:700;min-height:41px;text-decoration:none}.reg-button:hover,.primary-button:hover{background:#0868bf;text-decoration:none}.subnav{height:44px;background:#F7FBFF;border-bottom:1px solid rgba(47,168,247,.14)}.subnav-inner{display:flex;align-items:center;height:100%;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.subnav a{color:#5D718A;font-size:13px;padding:0 20px;border-right:1px solid #dbe7f4;line-height:17px}.subnav a:first-child{padding-left:0}.subnav a:last-child{border:0}.subnav a.is-active,.subnav a:hover{color:#137CD8}.site-main{min-height:56vh}.home{padding-top:26px;padding-bottom:48px}.hero{display:grid;grid-template-columns:54fr 46fr;gap:24px;align-items:center;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:34px}.hero h1{font-size:clamp(30px,3vw,38px);line-height:1.35;margin:12px 0 18px;color:#102B46}.hero p{margin:0 0 18px}.eyebrow{font-size:12px;letter-spacing:1.2px;text-transform:uppercase;font-weight:700;color:#137CD8}.hero-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}.outline-button{display:inline-flex;border:1px solid #badcf7;border-radius:999px;align-items:center;padding:8px 15px;min-height:41px;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}.media-logo{height:38px;aspect-ratio:auto;background:transparent}.media-placeholder{height:100%;width:100%;background:linear-gradient(135deg,#edf5ff,#ddebfa)}.hero-visual .media{max-height:290px}.home-section{margin-top:42px}.section-heading{margin-bottom:17px}.section-heading h2,.mobile-feature h2,.responsible-strip h2{font-size:25px;color:#102B46;margin:5px 0 9px;line-height:1.35}.section-heading p{margin:0;color:#5D718A}.category-grid,.three-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.two-grid,.feature-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.feature-pair{grid-template-columns:1.2fr .8fr}.topic-card,.info-panel,.feature-main,.compact-links,.article-body,.aside-panel,.aside-note,.brand-item,.responsible-strip{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:22px;min-width:0}.topic-card h3,.info-panel h3,.feature-main h3{font-size:19px;line-height:1.45;margin:7px 0 10px;color:#102B46}.topic-card p,.info-panel p,.feature-main p{margin:0 0 15px}.topic-card .text-link,.info-panel>a,.feature-main>a{font-size:14px;font-weight:700}.compact-links{display:flex;flex-direction:column;justify-content:space-around;padding:4px 22px}.compact-links a{padding:17px 0;border-bottom:1px solid #e1ebf5;text-decoration:none}.compact-links a:last-child{border-bottom:0}.compact-links strong,.compact-links span{display:block}.compact-links strong{font-size:17px}.compact-links span{font-size:14px;color:#5D718A}.visual-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.visual-grid figure,.gallery-grid figure{margin:0;background:#fff;border:1px solid #ddeaf6;border-radius:12px;padding:12px;min-width:0}.visual-grid figcaption,.gallery-grid figcaption{margin-top:11px;color:#5D718A;font-size:13px}.numbered-news{list-style:none;padding:0;margin:0;background:#fff;border-radius:12px;border:1px solid #dfeaf6}.numbered-news li{display:flex;gap:18px;align-items:center;padding:17px 22px;border-bottom:1px solid #e5edf6}.numbered-news li:last-child{border:0}.numbered-news .news-index{font-size:22px;font-weight:800;color:#137CD8}.numbered-news li div{flex:1;min-width:0}.numbered-news h3{font-size:17px;margin:0}.numbered-news p{margin:0;color:#5D718A;font-size:14px}.numbered-news a{font-size:14px;white-space:nowrap}.section-more{display:inline-block;margin-top:15px;font-weight:700}.brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.brand-item{display:flex;align-items:center;flex-direction:column;text-align:center;justify-content:center;gap:8px;padding:16px}.brand-item .media{max-width:145px;max-height:125px}.brand-item strong{font-size:15px}.brand-item p{margin:0;font-size:13px;color:#5D718A}.mobile-feature{display:grid;grid-template-columns:1.5fr .7fr;gap:26px;align-items:center;background:#fff;padding:26px;border-radius:12px}.mobile-feature>.media,.mobile-feature .media{margin:auto;max-width:240px}.mobile-feature p{margin:0 0 19px}.responsible-strip{margin-top:42px;background:#F7FBFF}.responsible-strip p{margin:5px 0 9px}.inner-wrap{padding-top:24px;padding-bottom:55px}.breadcrumbs{font-size:13px;color:#5D718A;margin:0 0 17px}.page-intro{background:#fff;border-radius:12px;padding:32px;margin-bottom:20px;border:1px solid #dbeaf8}.page-intro h1{font-size:32px;line-height:1.35;color:#102B46;margin:7px 0 12px}.page-intro p{margin:0;max-width:830px}.article-layout{display:grid;grid-template-columns:minmax(0,800px) minmax(225px,1fr);gap:20px;align-items:start}.article-body{padding:32px}.article-section{margin-bottom:34px}.article-section:last-child{margin-bottom:0}.article-section h2{font-size:24px;line-height:1.45;margin:0 0 16px;color:#102B46}.article-section h3{font-size:19px}.article-section p{margin:0 0 16px;line-height:1.84}.reading-aside{display:grid;gap:15px}.aside-panel{padding:20px}.aside-panel h2{font-size:18px;margin:0 0 8px}.aside-panel a{display:block;padding:12px 0;border-bottom:1px solid #e1eaf4}.aside-panel a:last-child{border:0}.aside-panel small{display:block;color:#5D718A;line-height:1.5;font-size:12px}.aside-note{background:#F7FBFF;font-size:14px}.aside-note p{margin:5px 0 0}.article-body .brand-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.article-body .category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.gallery-grid .media-device{max-width:180px;margin:auto}.site-footer{background:#102B46;color:#EAF6FF;padding:42px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer-grid h2{font-size:16px;margin:0 0 12px}.footer-grid a{display:block;color:#EAF6FF;font-size:14px;margin:5px 0}.footer-about p{font-size:14px;color:#c6d8e9}.footer-brand{display:flex!important;align-items:center;gap:9px;font-size:20px!important}.footer-brand .media{width:42px}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:30px;padding-top:18px;font-size:13px;color:#c5d6e8}.footer-bottom p{margin:4px 0}.mobile-drawer,.drawer-mask,.menu-toggle,.bottom-nav{display:none}.back-top{position:fixed;right:16px;bottom:18px;border:0;background:#137CD8;color:#fff;border-radius:50%;width:38px;height:38px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:30}.back-top.is-visible{opacity:1;pointer-events:auto}@media(max-width:1100px){.header-inner{gap:12px}.desktop-nav{gap:13px}.brand-name{font-size:17px}}@media(max-width:980px){.container{width:calc(100% - 40px)}.site-header{height:58px}.desktop-nav{display:none}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:34px;height:40px;border:0;background:transparent;padding:5px}.menu-toggle span{display:block;height:2px;width:24px;background:#24364F}.brand{margin:auto}.brand .media{width:33px;height:29px}.brand-name{font-size:17px}.brand-name small{font-size:8px}.reg-button{min-height:36px;padding:6px 12px;font-size:13px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100vh;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{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #e0ecf6;z-index:1}.drawer-close{background:#EDF5FF;border:0;border-radius:8px;width:38px;height:38px;font-size:26px}.drawer-groups{padding:5px 16px 24px}.drawer-group{margin:16px 0}.drawer-group h2{font-size:13px;color:#5D718A;margin:0 0 4px}.drawer-group a{display:block;min-height:42px;padding:8px 10px;border-radius:7px;color:#24364F;font-size:15px}.drawer-group a.is-active{color:#137CD8;background:#edf5ff}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:61px;background:#fff;display:grid;grid-template-columns:repeat(4,1fr);z-index:900;border-top:1px solid #dfeaf5}.bottom-nav a{display:flex;justify-content:center;align-items:center;color:#5D718A;font-size:14px;min-width:0}.bottom-nav a.is-active{color:#137CD8;font-weight:700}.site-footer{padding-bottom:88px}.back-top{bottom:75px}.article-layout{grid-template-columns:minmax(0,1fr)}.reading-aside{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{padding:25px}.category-grid,.three-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){body{font-size:15.5px}.container{width:calc(100% - 32px)}.subnav a{padding:0 14px}.home{padding-top:15px;padding-bottom:28px}.hero{display:flex;flex-direction:column-reverse;align-items:stretch;padding:18px;gap:18px}.hero h1{font-size:27px}.hero-visual .media{max-height:195px}.hero-links{gap:8px}.hero-links a{font-size:13px;padding:7px 11px}.home-section{margin-top:29px}.section-heading h2,.mobile-feature h2,.responsible-strip h2{font-size:21px}.category-grid,.three-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.topic-card{padding:14px}.topic-card h3{font-size:16px}.topic-card p{font-size:14px;line-height:1.65}.two-grid,.feature-pair{grid-template-columns:1fr;gap:12px}.feature-main,.info-panel{padding:19px}.visual-grid{gap:9px}.visual-grid figure{padding:8px}.visual-grid figcaption{font-size:12px}.numbered-news li{gap:10px;padding:13px 11px;flex-wrap:wrap}.numbered-news a{margin-left:auto}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.brand-item{padding:10px}.brand-item .media{max-height:100px}.mobile-feature{display:flex;flex-direction:column-reverse;align-items:stretch;padding:19px}.mobile-feature .media{max-height:245px}.page-intro{padding:22px 18px}.page-intro h1{font-size:27px}.article-body{padding:20px 17px}.article-section h2{font-size:21px}.article-section h3{font-size:17px}.article-section{margin-bottom:27px}.reading-aside{grid-template-columns:1fr}.article-body .brand-grid,.article-body .category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{gap:20px 14px}.footer-about{grid-column:1/-1}.gallery-grid{grid-template-columns:1fr}.gallery-grid .media-device{max-height:255px}.media-device{max-height:260px}}@media(max-width:355px){.brand-name{font-size:15px}.brand-name small{font-size:7px}.brand{gap:4px}.reg-button{font-size:12px;padding:5px 9px}.header-inner{gap:5px}.category-grid,.three-grid{grid-template-columns:1fr}.hero h1{font-size:26px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important}}