*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#333;font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78}a{color:inherit;text-decoration:none}a:hover{color:#F45132}img{max-width:100%}.wrap{width:min(1120px,calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:40;background:white;box-shadow:0 2px 12px #1a1a1a0e}.topbar{display:flex;align-items:center;gap:22px;height:70px}.brand{flex:0 0 auto;display:flex;align-items:center;color:#1A1A1A}.brand img{display:block;height:38px;width:auto;max-width:170px;object-fit:contain}.brand strong{font-size:22px;white-space:nowrap}.brand b{color:#F45132}.desktop-nav{display:flex;justify-content:center;align-items:center;gap:24px;margin-left:auto;white-space:nowrap;font-size:14px}.desktop-nav a{height:70px;display:flex;align-items:center;position:relative}.desktop-nav a.active{color:#F45132;font-weight:700}.desktop-nav a.active:after{content:"";position:absolute;bottom:15px;height:2px;width:19px;left:50%;transform:translateX(-50%);background:#F45132}.register{background:#F45132;color:white!important;border-radius:30px;font-size:14px;min-width:82px;height:40px;display:grid;place-items:center;white-space:nowrap}.register:hover{background:#FF684E}.topic-strip{background:#F6F7F9;border-top:1px solid #f2f2f2}.topic-inner{display:flex;align-items:center;gap:30px;min-height:44px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}.topic-inner::-webkit-scrollbar{display:none}.topic-inner a{font-size:13px;color:#666}.topic-inner a:hover,.topic-inner a.active{color:#F45132}.menu-toggle{display:none;border:0;background:transparent;padding:9px;cursor:pointer}.menu-toggle span{display:block;background:#333;height:2px;width:22px;margin:4px 0}.mobile-drawer,.drawer-mask{display:none}.section{margin:48px 0}.eyebrow{color:#F45132;font-weight:700;font-size:12px;letter-spacing:.13em}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:23px}.section-head h2{font-size:26px;margin:2px 0 0;color:#1A1A1A;line-height:1.4}.section-head>a{font-size:14px;color:#F45132;white-space:nowrap}.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:34px;padding:32px 0 18px}.hero-image{order:2}.hero-copy{order:1}.hero h1{font-size:38px;line-height:1.35;letter-spacing:-.03em;margin:16px 0;color:#1A1A1A}.hero p{color:#666;line-height:1.9;margin-bottom:22px}.hero-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.button{display:inline-block;padding:9px 28px;background:#F45132;color:white;border-radius:99px;font-weight:600}.button:hover{background:#FF684E;color:white}.text-link{color:#F45132;font-weight:600;font-size:14px}.media{position:relative;max-width:100%;min-width:0;overflow:hidden;border-radius:12px;background:#F6F7F9}.media img{width:100%;height:100%;display:block;object-fit:contain;object-position:center}.media-wide{aspect-ratio:16/9}.media-square{aspect-ratio:1}.media-portrait{aspect-ratio:3/4}.media-banner{aspect-ratio:16/7}.media-natural img{height:auto;max-height:290px;width:100%;object-fit:contain}.media-placeholder{height:100%;min-height:120px;background:linear-gradient(135deg,#F6F7F9,#eceef0)}.media-natural .media-placeholder{height:220px}.hero .media{max-height:285px}.hero .media img{max-height:285px}.grid{display:grid;gap:18px}.three{grid-template-columns:repeat(3,minmax(0,1fr))}.four{grid-template-columns:repeat(4,minmax(0,1fr))}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.link-card{border:1px solid #eee;background:#fff;border-radius:13px;padding:23px;min-width:0;transition:.2s}.link-card:hover{border-color:#F45132;transform:translateY(-2px);box-shadow:0 10px 24px #3331}.link-card span{color:#D7A84B;font-size:12px;font-weight:700}.link-card h3{font-size:18px;color:#1A1A1A;line-height:1.4;margin:10px 0}.link-card p{font-size:14px;color:#666;line-height:1.8;margin:0}.feature{display:grid;grid-template-columns:1fr 1.04fr;gap:30px;align-items:center}.feature.reverse{grid-template-columns:1fr 1fr}.feature.reverse .media{order:2}.feature h2,.feature h3{font-size:24px;color:#1A1A1A;line-height:1.45;margin:0 0 12px}.feature p{color:#666}.read-more{font-size:14px;color:#F45132;font-weight:600}.item-card{border:1px solid #ececec;border-radius:12px;overflow:hidden;background:#fff;min-width:0}.item-card .media{border-radius:0}.item-card-body{padding:14px 16px 19px}.item-card h3{font-size:16px;margin:0 0 4px;color:#1A1A1A}.item-card p{font-size:13px;color:#666;line-height:1.7;margin:0}.label-chip{color:#D7A84B;font-size:11px;font-weight:700;letter-spacing:.08em}.editorial{display:grid;grid-template-columns:1.3fr 1fr;gap:25px}.editorial-primary{background:#F6F7F9;border-radius:13px;padding:25px}.editorial-primary h3{font-size:22px;margin:0 0 12px}.editorial-primary p{color:#666}.editorial-list{display:grid;gap:12px}.editorial-list a{border-bottom:1px solid #eee;padding:4px 0 15px;color:#333}.editorial-list a b{display:block;font-size:16px}.editorial-list a small{display:block;font-size:13px;color:#777}.news-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.news-list a{border-bottom:1px solid #e6e6e6;padding:10px 0 18px;display:flex;gap:14px}.news-list i{color:#F45132;font-size:21px;font-style:normal;font-weight:700;line-height:1.2}.news-list h3{font-size:16px;line-height:1.5;margin:0 0 5px;color:#1A1A1A}.news-list p{margin:0;color:#777;font-size:13px;line-height:1.7}.app-feature{display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center;background:#F6F7F9;border-radius:14px;padding:30px}.app-feature .media{max-width:230px;margin:auto}.app-feature h2{font-size:25px;color:#1a1a1a}.notice{border-radius:13px;background:#fff6f3;border-left:4px solid #F45132;padding:18px 24px;color:#555;margin:45px 0}.notice h2{font-size:18px;margin:0 0 6px;color:#1a1a1a}.notice p{margin:0;font-size:14px}.page-hero{padding:35px 0 25px;border-bottom:1px solid #eee}.breadcrumbs{font-size:13px;color:#888}.breadcrumbs a{color:#F45132}.page-hero h1{font-size:33px;color:#1a1a1a;line-height:1.4;margin:16px 0}.page-intro{max-width:810px;color:#666;line-height:1.9}.page-layout{display:grid;grid-template-columns:minmax(0,790px) 260px;gap:42px;padding-top:23px}.article-body{max-width:810px}.article-body h2{font-size:24px;color:#1a1a1a;margin:34px 0 12px}.article-body p{line-height:1.9;color:#444;margin:0 0 16px}.article-body .section-lead{background:#F6F7F9;padding:20px;border-radius:12px}.aside-nav{align-self:start;position:sticky;top:145px}.aside-nav h3{font-size:16px;color:#1a1a1a;margin:0 0 10px}.aside-nav a{display:block;padding:9px 0;border-bottom:1px solid #eee;color:#555;font-size:14px}.page-illustration{margin:26px 0}.page-illustration .media{max-height:275px}.page-illustration .media img{max-height:275px}.reading-links{margin:34px 0}.reading-links h2{font-size:22px}.faq-item{border-bottom:1px solid #eee;padding:16px 0}.faq-item h3{margin:0 0 6px;color:#1a1a1a;font-size:18px}.faq-item p{margin:0;color:#666}.footer{background:#1A1A1A;color:#F5F5F5;margin-top:58px;padding:49px 0 20px}.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}.footer-logo{font-weight:800;font-size:22px;color:#fff}.footer-logo span{font-size:14px;color:#D7A84B}.footer-grid p{font-size:14px;line-height:1.9;color:#ddd}.footer-grid h3{font-size:15px;margin:0 0 14px}.footer-grid a{display:block;color:#ddd;font-size:14px;margin-bottom:7px}.footer-grid a:hover{color:#ff866f}.footer-bottom{border-top:1px solid #fff2;margin-top:30px;padding-top:16px;display:flex;gap:15px;justify-content:space-between;font-size:12px;color:#ccc}.bottom-nav{display:none}.to-top{position:fixed;bottom:22px;right:22px;border:1px solid #eee;background:white;color:#F45132;width:36px;height:36px;border-radius:50%;cursor:pointer;box-shadow:0 3px 12px #3332}@media(max-width:980px){.desktop-nav{display:none}.menu-toggle{display:block}.topbar{height:59px;justify-content:space-between;gap:8px}.brand img{max-height:30px;max-width:140px}.brand strong{font-size:20px}.register{height:36px;min-width:76px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100dvh;background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:11000;opacity:0;pointer-events:none}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}body.drawer-open{overflow:hidden}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:18px;border-bottom:1px solid #eee}.drawer-brand{font-weight:800;color:#F45132}.drawer-brand small{color:#444}.drawer-close{border:0;background:transparent;font-size:26px;cursor:pointer}.drawer-content{padding:0 20px 25px}.drawer-group{padding:13px 0;border-bottom:1px solid #eee}.drawer-group h2{font-size:13px;color:#F45132;margin:0 0 4px}.drawer-group a{display:block;font-size:14px;padding:5px 0;color:#444}.drawer-group a.active{color:#F45132}.bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;height:60px;background:white;border-top:1px solid #eee;z-index:50}.bottom-nav a{display:grid;place-items:center;font-size:14px}.bottom-nav a.active{color:#F45132;font-weight:700}body{padding-bottom:60px}.to-top{bottom:76px}.page-layout{grid-template-columns:1fr}.aside-nav{display:none}.four{grid-template-columns:repeat(2,minmax(0,1fr))}.wrap{width:min(1120px,calc(100% - 40px))}}@media(max-width:680px){.wrap{width:calc(100% - 32px)}.hero{display:flex;flex-direction:column;gap:18px;padding:20px 0}.hero-image{order:0;width:100%}.hero-copy{order:1}.hero h1{font-size:28px;margin:10px 0}.hero .media,.hero .media img{max-height:200px}.three{grid-template-columns:repeat(2,minmax(0,1fr))}.two,.feature,.feature.reverse,.editorial,.app-feature{grid-template-columns:1fr}.feature.reverse .media{order:0}.section{margin:30px 0}.section-head h2{font-size:21px}.section-head{gap:10px}.link-card{padding:14px}.link-card h3{font-size:16px}.link-card p{font-size:13px}.news-list{grid-template-columns:1fr}.app-feature{padding:20px}.page-hero h1{font-size:26px}.article-body h2{font-size:21px}.footer{margin-top:35px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.footer-bottom{flex-direction:column}.media-banner{aspect-ratio:16/7}}@media(max-width:350px){.brand img{max-width:110px}.brand strong{font-size:17px}.topbar{gap:4px}.register{min-width:72px}.four{grid-template-columns:1fr 1fr;gap:10px}.item-card-body{padding:10px}}