:root{--bg:#f5f5f7;--card:#ffffff;--card-border:rgba(0,0,0,0.1);--ink:#1d1d1f;--muted:#6e6e73;--accent:#1d1d1f;--blue:#0071e3;--blue-hover:#0077ed;--link:#0066cc;--hairline:rgba(0,0,0,0.1);--nav-bg:rgba(251,251,253,0.8);--pattern:rgba(0,0,0,0.04);--radius:20px;--radius-sm:12px;--shadow-card:0 4px 24px rgba(0,0,0,0.04);--shadow-card-hover:0 12px 40px rgba(0,0,0,0.08);--shadow-soft:0 20px 60px rgba(0,0,0,0.06);--shadow-strong:0 24px 80px rgba(0,0,0,0.12);--grad-text:linear-gradient(90deg,#0071e3,#bf5af2);--seg-track:#e8e8ed;--seg-active:#ffffff;--tag-bg:rgba(0,113,227,0.1);--icon-tile:rgba(0,113,227,0.08);--thumb-bg:#f5f5f7;--footer-bg:#f5f5f7;--btt-bg:#ffffff;--hover-wash:rgba(0,0,0,0.05);--font-ui:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;--font-body:"LXGW WenKai Screen",-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;--font-display:"Ma Shan Zheng","LXGW WenKai Screen","PingFang SC",serif;color-scheme:light}[data-theme=dark]{--bg:#000000;--card:#161617;--card-border:rgba(255,255,255,0.16);--ink:#f5f5f7;--muted:#86868b;--accent:#f5f5f7;--blue:#2997ff;--blue-hover:#2997ff;--link:#2997ff;--hairline:rgba(255,255,255,0.16);--nav-bg:rgba(22,22,23,0.8);--pattern:rgba(255,255,255,0.05);--shadow-card:0 4px 24px rgba(0,0,0,0.5);--shadow-card-hover:0 12px 40px rgba(0,0,0,0.6);--shadow-soft:0 20px 60px rgba(0,0,0,0.5);--shadow-strong:0 24px 80px rgba(0,0,0,0.65);--grad-text:linear-gradient(90deg,#2997ff,#bf5af2);--seg-track:#2d2d2f;--seg-active:#555555;--tag-bg:rgba(41,151,255,0.15);--icon-tile:rgba(41,151,255,0.12);--thumb-bg:#1d1d1f;--footer-bg:#161617;--btt-bg:#2d2d2f;--hover-wash:rgba(255,255,255,0.1);color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.25) transparent}[data-theme=dark] html{scrollbar-color:rgba(255,255,255,.3) transparent}body{font-family:var(--font-body);font-size:17px;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.65;transition:background .4s,color .4s;overflow-x:hidden;min-height:100svh}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-thumb{background:rgba(0,0,0,.25);border-radius:999px}::-webkit-scrollbar-track{background:transparent}[data-theme=dark] ::-webkit-scrollbar-thumb{background:rgba(255,255,255,.3)}a{color:inherit;text-decoration:none}button{font-family:inherit}::selection{background:var(--blue);color:#fff}:not(.no-tr){transition-property:background-color,border-color,color,box-shadow;transition-duration:.3s;transition-timing-function:ease}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.aurora-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;background-image:radial-gradient(50% 40% at 50% 0,rgba(0,113,227,.06),transparent 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clamp(20px,8vw,160px);scroll-margin-top:80px;text-align:center}.s-label{font-family:var(--font-ui);color:var(--link);margin-bottom:12px;font-size:17px;font-weight:600}.s-title{color:var(--accent);margin-bottom:20px;font-family:var(--font-display);font-size:clamp(36px,4.5vw,56px);font-weight:400;line-height:1.1;letter-spacing:0}.s-desc{color:var(--muted);max-width:720px;margin:0 auto 64px;font-size:clamp(15px,1.5vw,18px);line-height:1.8}@media (max-width:768px){.section{padding:80px clamp(20px,5vw,40px)}}.about-grid,.blog-grid,.join-grid,.prod-scroll,.quick-grid{text-align:left}.blog-card,.join-card,.prod-card,.quick-card,.stat-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-card);transition:transform .35s cubic-bezier(.2,.6,.2,1),box-shadow .35s 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24px}.blog-date{color:var(--muted);margin-bottom:8px;font-size:12px}.blog-date,.blog-info h3{font-family:var(--font-ui)}.blog-info h3{color:var(--accent);font-size:16px;font-weight:700;line-height:1.4}@media (max-width:1024px){.blog-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.blog-grid{grid-template-columns:1fr}}.join-grid{grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px;display:grid}.join-card{color:var(--ink);text-align:left;font:inherit;align-items:center;gap:16px;padding:20px 24px;display:flex}.join-icon{background:var(--icon-tile);border-radius:var(--radius-sm);flex-shrink:0;place-items:center;width:40px;height:40px;font-size:18px;display:grid}.join-info h3{font-family:var(--font-ui);color:var(--accent);font-size:15px;font-weight:700}.join-info p{color:var(--muted);margin-top:2px;font-size:12px}@media (max-width:1024px){.join-grid{grid-template-columns:repeat(2,1fr)}}@media 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span{font-family:var(--font-ui);color:var(--muted);font-size:12px}@media (max-width:1024px){.footer-inner{grid-template-columns:1fr 1fr}}@media (max-width:768px){.footer-inner{grid-template-columns:1fr}}.hero{flex-direction:column;justify-content:center;align-items:center;text-align:center;min-height:100svh;padding:120px clamp(20px,8vw,160px) 80px;display:flex;position:relative;overflow:hidden}.pattern-bg{display:none}.pattern-row{white-space:nowrap;font-family:var(--font-ui);color:var(--pattern);letter-spacing:15px;gap:60px;font-size:clamp(28px,5vw,52px);font-weight:700;line-height:1.6;animation:scrollPattern 80s linear infinite;display:flex}.pattern-row[data-reverse=true]{animation-direction:reverse}@keyframes scrollPattern{0%{transform:translate(0)}to{transform:translate(-50%)}}@keyframes heroRise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.hero-sub{font-family:var(--font-ui);color:var(--link);margin-bottom:16px;font-size:17px;font-weight:600;animation:heroRise .6s ease .05s both}.hero-sub,.hero-title{z-index:1;position:relative}.hero-title{color:var(--accent);max-width:900px;font-family:var(--font-display);font-size:clamp(48px,7vw,96px);font-weight:400;line-height:1.05;letter-spacing:0;animation:heroRise .6s ease .15s both}.hero-title .highlight{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-desc{z-index:1;color:var(--muted);max-width:680px;margin:24px auto 0;font-size:19px;line-height:1.7;position:relative;animation:heroRise .6s ease .25s both}@media (min-width:1024px){.hero-desc{font-size:21px}}.hero-actions{z-index:1;flex-wrap:wrap;justify-content:center;gap:24px;margin-top:40px;display:flex;position:relative;animation:heroRise .6s ease .35s both}.btn-ghost,.btn-primary{font-family:var(--font-ui);cursor:pointer;border:none;align-items:center;font-size:17px;transition:transform .2s,background-color .2s,box-shadow .2s;display:inline-flex}.btn-primary{height:44px;padding:0 26px;border-radius:999px;background:var(--blue);color:#fff;font-weight:500}.btn-primary:hover{background:var(--blue-hover)}.btn-primary:active{transform:scale(.98)}.btn-ghost{background:none;color:var(--link);font-weight:400;padding:4px 2px}.btn-ghost:after{content:"›";margin-left:6px}.btn-ghost:hover{text-decoration:underline}.scroll-hint{color:var(--muted);font-family:var(--font-ui);z-index:1;flex-direction:column;align-items:center;gap:8px;font-size:12px;font-weight:500;display:flex;position:absolute;bottom:40px;left:50%;translate:-50% 0}.scroll-arrow{border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);width:12px;height:12px;animation:bounceHint 2s infinite;transform:rotate(45deg)}@keyframes bounceHint{0%,to{transform:translateY(0) rotate(45deg)}50%{transform:translateY(5px) rotate(45deg)}}@media (max-width:768px){.hero h1{font-size:clamp(36px,10vw,56px)}}.site-header{z-index:100;background:var(--nav-bg);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--hairline);justify-content:space-between;height:52px;padding:0 clamp(20px,4vw,80px);position:fixed;top:0;left:0;right:0}.brand,.site-header{align-items:center;display:flex}.brand{font-family:var(--font-display);color:var(--accent);cursor:pointer;background:0 0;border:0;font-size:19px;font-weight:400}.nav-center{align-items:center;gap:32px;display:flex}.nav-link{font-family:var(--font-ui);color:var(--muted);font-size:14px;font-weight:400;transition:color .2s}.nav-link:hover{color:var(--ink)}.nav-right{align-items:center;gap:12px;display:flex}.icon-btn{border:0;background:transparent;width:36px;height:36px;color:var(--ink);cursor:pointer;border-radius:999px;place-items:center;display:grid;transition:background-color .2s,transform .2s}.icon-btn:hover{background:var(--hover-wash)}.icon-btn:active{transform:scale(.92)}.theme-toggle svg{transition:transform .4s ease}.theme-toggle[data-mode=dark] svg{transform:rotate(180deg)}.lang-switch{background:var(--seg-track);border-radius:999px;padding:2px;display:flex}.lang-active,.lang-btn{font-family:var(--font-ui);color:var(--muted);cursor:pointer;background:0 0;border:0;padding:4px 12px;font-size:13px;font-weight:500;border-radius:999px;transition:all .2s}.lang-active:active,.lang-btn:active{transform:scale(.92)}.lang-active{background:var(--seg-active);color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.12)}.burger{display:none}.mobile-menu{z-index:99;background:var(--nav-bg);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);opacity:0;visibility:hidden;flex-direction:column;gap:8px;padding:24px;transition:opacity .25s,transform .25s,visibility .25s;display:none;position:fixed;inset:52px 0 0;transform:translateY(-8px)}.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0)}.mobile-link{font-family:var(--font-ui);color:var(--ink);border-bottom:1px solid var(--hairline);padding:16px 0;font-size:18px;font-weight:600;transition:color .2s}.mobile-link:hover{color:var(--link)}.mobile-lang{gap:8px;margin-top:16px;display:flex}.mobile-lang .lang-active,.mobile-lang .lang-btn{border-radius:10px;flex:1 1;padding:12px;font-size:14px}.mobile-lang .lang-btn{background:var(--seg-track)}.mobile-lang .lang-active{box-shadow:none}@media (max-width:768px){.nav-center,.nav-right .lang-switch{display:none}.burger{display:grid}.mobile-menu{display:flex}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.hero-actions,.hero-desc,.hero-sub,.hero-title,.reveal{opacity:1;transform:none;filter:none;animation:none}}#page-agent-runtime_agent-panel [class*=_indicator_]{display:none!important}