.resource-center{--rc-ink:#202322;--rc-muted:#676767;--rc-line:#e2e2e2;--rc-tint:#f2f2f2;--rc-green:#484848;margin:0;background:#fff;color:var(--rc-ink);font:16px/1.65 Inter,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
.rc-main,.rc-main *{box-sizing:border-box}.rc-main h1,.rc-main h2,.rc-main h3,.rc-main p{margin:0}.rc-main h1,.rc-main h2,.rc-main h3{font-family:"Space Grotesk",Inter,"PingFang SC",sans-serif}.rc-main a{color:inherit}.rc-main svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}.rc-main button,.rc-main input{font:inherit}.rc-main a:focus-visible,.rc-main button:focus-visible,.rc-main input:focus-visible{outline:2px solid #484848;outline-offset:5px}.rc-main [hidden]{display:none!important}
.rc-shell{width:min(1280px,calc(100% - 80px));margin:auto}.rc-kicker{font-size:11px;line-height:1.5;letter-spacing:.14em;font-weight:650}.rc-skip{position:fixed;z-index:3000;left:20px;top:-80px;background:#202322;color:#fff;padding:12px 20px}.rc-skip:focus{top:12px}.rc-sr{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.rc-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;padding-top:82px;padding-bottom:76px}.rc-hero-copy>.rc-kicker{margin-bottom:28px}.rc-hero h1{font-size:clamp(40px,4.7vw,68px);line-height:1.09;letter-spacing:-.045em;font-weight:600}.rc-hero h1 span{color:#737373}.rc-lead{max-width:490px;font-size:17px;line-height:1.8;color:var(--rc-muted);margin-top:28px!important}.rc-hero-actions{display:flex;align-items:center;gap:26px;margin-top:32px;flex-wrap:wrap}.rc-button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:48px;padding:13px 22px;background:var(--rc-ink);color:#fff!important;border:1px solid var(--rc-ink);border-radius:4px;text-decoration:none;font-size:14px;font-weight:600;transition:background .15s}.rc-button:hover{background:#464646}.rc-text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:14px;font-weight:600;text-decoration:none}.rc-text-link:hover{text-decoration:underline;text-underline-offset:5px}.rc-system{border:1px solid #d8d8d8;border-radius:7px;overflow:hidden;background:#f8f8f8;box-shadow:0 20px 56px #26262610;transform:translateY(5px)}.rc-system-top{height:48px;display:flex;align-items:center;gap:10px;background:#202020;color:#fff;padding:0 22px;font-size:10px;letter-spacing:.08em}.rc-system-dot{width:6px;height:6px;border-radius:50%;background:#c2c2c2;flex:none}.rc-system-code{margin-left:auto;letter-spacing:-.04em;font:600 16px "Space Grotesk",sans-serif}.rc-system-body{padding:26px 26px 30px}.rc-system-line{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#717171;margin-bottom:27px}.rc-system-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.rc-system-pair>div{background:white;border:1px solid #dddddd;padding:22px 15px;min-height:144px;border-radius:4px}.rc-system-num{color:#8c8c8c;font-size:11px;font-weight:500}.rc-system-pair h2{font-size:21px;line-height:1.35;margin:13px 0 9px}.rc-system-pair p{font-size:10px;line-height:1.7;color:#6e6e6e;white-space:nowrap}.rc-system-connector{display:flex;justify-content:space-around;height:24px}.rc-system-connector>span{border-left:1px solid #b7b7b7;height:100%}.rc-system-outcome{background:#ebebeb;border:1px solid #d4d4d4;padding:22px 18px;border-radius:4px}.rc-system-outcome>span{display:block;font-size:12px;color:#5e5e5e;margin-bottom:14px}.rc-system-outcome>div{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:16px;font-weight:500}.rc-system-outcome svg{width:14px}.rc-system-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid #dddddd;background:white;padding:17px 26px;text-decoration:none;font-size:13px}.rc-system-bottom:hover{background:#f4f4f4}
.rc-paths{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rc-line);border-bottom:1px solid var(--rc-line)}.rc-path{display:flex;gap:22px;padding:32px 28px 32px 0}.rc-path+.rc-path{border-left:1px solid var(--rc-line);padding-left:28px}.rc-path-number{font:500 11px/1.6 "Space Grotesk",sans-serif;color:#919191;padding-top:4px}.rc-path h2{font-size:20px;font-weight:500;line-height:1.35;letter-spacing:-.015em}.rc-path p{font-size:13px;line-height:1.75;color:var(--rc-muted);margin-top:12px;margin-bottom:20px;max-width:310px}.rc-path a{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:600;text-decoration:none;min-height:36px}.rc-path a:hover{text-decoration:underline;text-underline-offset:4px}.rc-path svg{width:16px;height:16px}
.rc-featured{padding-top:88px;padding-bottom:92px}.rc-section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:32px}.rc-section-heading .rc-kicker{margin-bottom:12px}.rc-section-heading h2{font-size:36px;line-height:1.25;font-weight:500;letter-spacing:-.035em}.rc-section-heading>p{max-width:340px;font-size:14px;color:var(--rc-muted);line-height:1.8}.rc-featured-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px}.rc-feature{display:block;overflow:hidden;text-decoration:none;border-radius:5px}.rc-feature-main{display:grid;grid-template-columns:1fr 1.1fr;background:#f1f1f1}.rc-feature-image{min-height:340px;overflow:hidden}.rc-feature-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:48% 50%;transition:transform .35s}.rc-feature:hover .rc-feature-image img{transform:scale(1.025)}.rc-feature-copy{padding:32px;display:flex;flex-direction:column;align-items:flex-start}.rc-feature-copy>span:first-child{font-size:11px;line-height:1.5;color:#676767}.rc-feature-copy h3{font-size:28px;line-height:1.2;font-weight:500;letter-spacing:-.035em;margin:22px 0 16px}.rc-feature-copy p{font-size:13px;line-height:1.75;color:var(--rc-muted);max-width:300px}.rc-feature-read{display:inline-flex;gap:12px;align-items:center;font-size:12px;font-weight:600;margin-top:auto;padding-top:24px}.rc-feature-read svg{width:16px;height:16px}.rc-feature-secondary{position:relative;background:#efefef}.rc-feature-secondary .rc-feature-copy{padding-bottom:116px}.rc-market-visual{position:absolute;bottom:23px;left:32px;right:32px;display:flex;align-items:center;gap:10px}.rc-market-visual>span{display:flex;align-items:center;justify-content:center;border:1px solid #d1d1d1;min-width:47px;height:35px;background:#ffffff85;font-size:11px;font-weight:600;border-radius:4px}.rc-market-visual i{height:1px;background:#c6c6c6;width:20px}.rc-market-visual>div{font-size:10px;position:absolute;top:45px;color:#717171}
.rc-library{padding-bottom:96px;scroll-margin-top:110px}.rc-search{display:flex;align-items:center;gap:14px;width:100%;padding:0 20px;height:60px;border:1px solid #d5d5d5;border-radius:4px;background:#fafafa;margin-bottom:34px}.rc-search>svg{width:20px;height:20px;color:#717171}.rc-search input{min-width:0;flex:1;border:0;background:transparent;color:var(--rc-ink);font-size:15px;height:100%;outline-offset:0}.rc-search input::placeholder{color:#818181}.rc-search input::-webkit-search-cancel-button{-webkit-appearance:none}.rc-search button{border:0;background:transparent;color:#5d5d5d;font-size:12px;cursor:pointer;padding:12px 4px;min-height:44px}.rc-library-layout{display:grid;grid-template-columns:244px 1fr;gap:48px}.rc-categories{align-self:start;position:sticky;top:110px}.rc-categories>p{font-size:10px;font-weight:600;letter-spacing:.1em;color:#7f7f7f;margin-bottom:15px}.rc-categories>div[role=group]{display:flex;flex-direction:column;gap:4px}.rc-categories button{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:48px;padding:13px 12px;text-align:left;border:0;border-radius:4px;background:transparent;color:#5f5f5f;font-size:12px;font-weight:500;line-height:1.5;cursor:pointer}.rc-categories button>span{font:500 11px "Space Grotesk",sans-serif;color:#8a8a8a}.rc-categories button[aria-pressed=true]{background:#f1f1f1;color:#373737;font-weight:600}.rc-categories button:hover{background:#f4f4f4}.rc-library-note{border-top:1px solid var(--rc-line);margin-top:24px;padding-top:20px;font-size:12px;line-height:1.8;color:#7d7d7d}.rc-library-note p{margin-top:12px}.rc-results{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:4px;padding:0 0 20px;border-bottom:1px solid var(--rc-line)}.rc-results p{font-size:12px;font-weight:600}.rc-results>span{font-size:11px;color:#909090}.rc-article-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:32px}.rc-article{position:relative;padding:28px 0 26px;border-bottom:1px solid var(--rc-line);display:flex;flex-direction:column;min-width:0;animation:rc-arrive .2s ease-out}.rc-article-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;min-height:18px;font-size:9px;line-height:1.5;color:#777777;letter-spacing:.025em;margin-bottom:13px}.rc-language{border:1px solid #dddddd;padding:1px 5px;border-radius:3px;font-size:8px;white-space:nowrap}.rc-article h3{font-size:21px;line-height:1.3;font-weight:500;letter-spacing:-.025em}.rc-article h3 a{display:flex;justify-content:space-between;gap:16px;text-decoration:none}.rc-article h3 svg{width:17px;height:17px;margin-top:5px;color:#8f8f8f}.rc-article h3 a:hover{text-decoration:underline;text-underline-offset:4px}.rc-article p{font-size:12px;line-height:1.85;color:var(--rc-muted);margin:12px 30px 19px 0}.rc-read{font-size:10px;text-decoration:none;display:flex;align-items:center;gap:8px;width:fit-content;margin-top:auto;min-height:28px;font-weight:600;color:#5a5a5a!important}.rc-read svg{width:14px;height:14px}.rc-read:hover{text-decoration:underline;text-underline-offset:3px}.rc-empty{padding:56px 24px;text-align:center;background:#f8f8f8;margin-top:20px}.rc-empty h3{font-size:24px}.rc-empty p{font-size:14px;color:var(--rc-muted);margin:14px 0 20px}.rc-empty button{border:1px solid #d4d4d4;border-radius:4px;padding:11px 20px;background:white;cursor:pointer;min-height:44px;font-size:13px}
.rc-case{background:#f1f1f1;padding:72px 0}.rc-case-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:84px;align-items:center}.rc-case h2{font-size:42px;line-height:1.13;letter-spacing:-.035em;font-weight:500;margin:22px 0}.rc-case p:not(.rc-kicker){color:#696969;font-size:14px;line-height:1.85;max-width:415px}.rc-case .rc-button{margin-top:30px}.rc-case-image{display:block;background:white;border:1px solid #d9d9d9;border-radius:6px;overflow:hidden;box-shadow:0 20px 50px #40404016}.rc-browser-bar{height:36px;background:#f7f7f7;border-bottom:1px solid #e6e6e6;display:flex;gap:5px;align-items:center;padding:0 14px}.rc-browser-bar>span{height:5px;width:5px;border-radius:50%;background:#cfcfcf}.rc-browser-bar p{font-size:9px!important;line-height:1!important;margin:auto!important;padding-right:30px;color:#8d8d8d!important}.rc-case-image>img{display:block;width:100%;height:320px;object-fit:cover;object-position:top}.rc-next{display:grid;grid-template-columns:1.1fr 1fr;gap:100px;align-items:center;padding-top:78px;padding-bottom:80px}.rc-next h2{font-size:36px;line-height:1.25;letter-spacing:-.03em;font-weight:500;margin-top:18px}.rc-next>div:last-child p{font-size:15px;line-height:1.8;color:var(--rc-muted);max-width:390px;margin-bottom:20px}.rc-next .rc-text-link{font-size:15px}
@keyframes rc-arrive{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.rc-hero h1{font-size:74px}}
@media(max-width:1100px){.rc-shell{width:calc(100% - 48px)}.rc-hero{gap:36px;padding-top:60px}.rc-hero h1{font-size:49px}.rc-hero-actions{gap:18px}.rc-system-body{padding:22px 18px}.rc-path{gap:14px;padding-right:18px}.rc-path+.rc-path{padding-left:18px}.rc-path h2{font-size:17px}.rc-feature-copy{padding:25px}.rc-feature-copy h3{font-size:24px}.rc-featured-grid{gap:18px}.rc-feature-main{grid-template-columns:.8fr 1fr}.rc-library-layout{grid-template-columns:210px 1fr;gap:28px}.rc-article-grid{column-gap:24px}.rc-case-grid{gap:40px}.rc-next{gap:50px}}
@media(max-width:800px){.rc-hero{grid-template-columns:1fr;gap:40px;padding-top:48px;padding-bottom:48px}.rc-hero h1{font-size:clamp(42px,7.3vw,62px)}.rc-hero-copy{max-width:630px}.rc-system{max-width:600px;width:100%;transform:none}.rc-system-pair>div{min-height:128px}.rc-system-pair h2{font-size:24px}.rc-system-pair p{font-size:12px}.rc-system-outcome>div{justify-content:flex-start;gap:30px}.rc-paths{grid-template-columns:1fr}.rc-path,.rc-path+.rc-path{padding:24px 0;border-left:0}.rc-path+.rc-path{border-top:1px solid var(--rc-line)}.rc-path h2{font-size:20px}.rc-path p{max-width:none;margin-bottom:10px}.rc-path-number{min-width:25px}.rc-featured{padding-top:56px;padding-bottom:56px}.rc-section-heading{align-items:flex-start;gap:16px;flex-direction:column;margin-bottom:26px}.rc-section-heading h2{font-size:31px}.rc-section-heading>p{max-width:520px}.rc-featured-grid{grid-template-columns:1fr 1fr}.rc-feature-main{display:flex;flex-direction:column}.rc-feature-image{height:160px;min-height:0}.rc-feature-copy{flex:1}.rc-feature-copy h3{font-size:25px}.rc-feature-secondary .rc-feature-copy{padding-bottom:120px}.rc-library-layout{grid-template-columns:1fr;gap:24px}.rc-categories{position:static}.rc-categories>p,.rc-library-note{display:none}.rc-categories>div[role=group]{flex-direction:row;overflow:auto;padding:0 2px 10px;gap:8px;scrollbar-width:thin}.rc-categories button{flex:none;white-space:nowrap;border:1px solid #e4e4e4;padding:10px 14px;font-size:12px}.rc-results>span{font-size:10px}.rc-library{padding-bottom:60px}.rc-case{padding:50px 0}.rc-case-grid{grid-template-columns:1fr;gap:32px}.rc-case h2{font-size:36px}.rc-case p:not(.rc-kicker){max-width:580px}.rc-case-image>img{height:360px}.rc-next{padding-top:54px;padding-bottom:54px;gap:32px;grid-template-columns:1fr}.rc-next h2{font-size:32px}.rc-next>div:last-child p{max-width:580px}}
@media(max-width:520px){.rc-shell{width:calc(100% - 40px)}.rc-hero{padding-top:35px;gap:32px}.rc-hero-copy>.rc-kicker{margin-bottom:22px;font-size:9px}.rc-hero h1{font-size:43px;letter-spacing:-.045em;line-height:1.12}.rc-lead{font-size:14px;line-height:1.85;margin-top:22px!important}.rc-hero-actions{margin-top:24px;gap:10px}.rc-button{font-size:12px;padding:12px 16px;gap:12px}.rc-text-link{font-size:12px;gap:7px}.rc-system-top{padding:0 16px;font-size:8px;height:42px}.rc-system-code{font-size:14px}.rc-system-body{padding:18px 16px 23px}.rc-system-line{font-size:11px;margin-bottom:20px}.rc-system-pair{gap:9px}.rc-system-pair>div{padding:15px 12px;min-height:124px}.rc-system-pair h2{font-size:18px;margin:14px 0 7px}.rc-system-pair p{font-size:9px;white-space:normal}.rc-system-outcome{padding:18px 14px}.rc-system-outcome>span{font-size:10px;margin-bottom:12px}.rc-system-outcome>div{justify-content:space-between;font-size:14px;gap:8px}.rc-system-bottom{font-size:11px;padding:14px 16px}.rc-featured-grid{grid-template-columns:1fr}.rc-feature-main{display:grid;grid-template-columns:1fr}.rc-feature-image{height:200px}.rc-feature-copy{padding:25px}.rc-feature-copy h3{font-size:29px}.rc-feature-copy p{font-size:13px}.rc-feature-secondary .rc-feature-copy{padding-bottom:110px}.rc-section-heading h2{font-size:29px}.rc-section-heading>p{font-size:13px}.rc-search{height:54px;padding:0 14px;margin-bottom:22px}.rc-search input{font-size:14px}.rc-article-grid{grid-template-columns:1fr}.rc-results>span{display:none}.rc-article{padding:24px 0}.rc-article h3{font-size:23px}.rc-article p{font-size:13px;line-height:1.85;margin-right:22px}.rc-article-meta{font-size:10px;margin-bottom:12px}.rc-read{font-size:12px;min-height:44px}.rc-case h2{font-size:34px}.rc-case-image>img{height:220px}.rc-next h2{font-size:30px}.rc-next>div:last-child p{font-size:14px}.rc-kicker{font-size:10px}}
@media(max-width:360px){.rc-hero h1{font-size:36px}.rc-hero-actions{flex-direction:column;align-items:flex-start;gap:4px}.rc-feature-image{height:175px}.rc-feature-copy h3{font-size:26px}}
@media(prefers-reduced-motion:reduce){.rc-article{animation:none}.rc-main *{transition:none!important;scroll-behavior:auto!important}}
.rc-article-meta{font-size:11px}.rc-language{font-size:10px}.rc-article p{font-size:14px;line-height:1.75}.rc-read{font-size:12px;min-height:44px}.rc-categories button{font-size:13px}.rc-results p{font-size:13px}.rc-results>span{font-size:12px}.rc-library-note{font-size:13px}
.rc-library-layout>*{min-width:0}.rc-categories{max-width:100%}.rc-categories>div[role=group]{max-width:100%}
.rc-market-visual{bottom:40px}
.resource-center,.resource-center .rc-main *{font-family:Arial,Inter,-apple-system,"system-ui","Segoe UI",Roboto,"Helvetica Neue",sans-serif}

.resource-center .rc-library .rc-search{position:static;top:auto}