:root{--bg:#fff;--bg2:#f5f8fa;--line:#173a541f;--ink:#1c2b38;--muted:#5d7385;--blue:#1b6fb8;--blue-deep:#155a99;--green:#3a9e57;--green-lime:#7ab63c;--orange:#e8940f;--orange-red:#e05a1e;--grad-blue:linear-gradient(135deg,#1b5faa,#2e9bd6);--grad-green:linear-gradient(135deg,#2e9e5c,#8bc53f);--grad-orange:linear-gradient(135deg,#e8541e,#f5a623);--grad-all:linear-gradient(90deg,#2e9bd6,#8bc53f,#f5a623);--shadow:0 10px 40px #173a5414;--shadow-lg:0 24px 64px #173a5429}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;font-size:16px;line-height:1.7}::selection{background:#2e9bd640}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{max-width:1280px;margin:0 auto;padding:0 32px}.num{font-variant-numeric:tabular-nums;font-family:Barlow Condensed,Avenir Next Condensed,PingFang 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1.2fr;gap:48px;display:grid}.foot-grid img{height:40px;margin-bottom:20px}.foot-grid p{color:var(--muted);font-size:13px}.foot-grid h4{letter-spacing:2px;margin-bottom:18px;font-size:14px}.foot-grid ul{gap:10px;list-style:none;display:grid}.foot-grid ul a,.foot-grid ul span{color:var(--muted);font-size:13px}.foot-grid ul a:hover{color:var(--blue)}.foot-bottom{border-top:1px solid var(--line);color:#8296a5;justify-content:space-between;margin-top:48px;padding-top:24px;font-size:12px;display:flex}.icp:hover{color:var(--muted)}.fab{z-index:80;flex-direction:column;gap:12px;display:flex;position:fixed;bottom:28px;right:28px}.fab-btn{cursor:pointer;background:var(--grad-blue);color:#fff;border:none;border-radius:50%;place-items:center;width:56px;height:56px;font-size:14px;font-weight:500;transition:all .2s;display:grid;box-shadow:0 10px 28px #1b5faa66}.fab-btn svg{width:24px;height:24px}.fab-btn:hover{transform:translateY(-3px)}.fab-pop{border:1px solid var(--line);width:240px;box-shadow:var(--shadow-lg);background:#fff;border-radius:14px;padding:20px;display:none;position:absolute;bottom:68px;right:0}.fab-pop.open{display:block}.fab-pop:after{content:"";border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;width:14px;height:14px;position:absolute;bottom:-7px;right:22px;transform:rotate(45deg)}.fab-pop b{margin-bottom:4px;font-size:15px;display:block}.fab-pop .p1{color:var(--muted);margin-bottom:14px;font-size:13px}.qr-box{color:#9db1c0;letter-spacing:1px;text-align:center;background:#fbfdfe;border:2px dashed #173a5440;border-radius:10px;place-items:center;height:150px;margin-bottom:12px;font-size:12px;line-height:1.8;display:grid}.fab-pop .p2{color:var(--muted);text-align:center;font-size:12px}.fab-pop .p2 b{color:var(--blue);font-size:14px;display:inline}@media (prefers-reduced-motion:no-preference){.fade{opacity:0;transition:opacity .7s,transform .7s;transform:translateY(24px)}.fade.in{opacity:1;transform:none}}@media (width<=1060px){.hero-grid{grid-template-columns:1fr;padding:56px 0 64px}.mock-wrap{width:100%;max-width:560px;margin:0 auto}.power-grid,.prod-cols,.case-grid,.contact-grid{grid-template-columns:1fr}.trust-label{display:none}}@media (width<=600px){.mock-body{grid-template-columns:1fr;min-height:0}.mock-side{display:none}.mock-kpis{gap:8px}.mk{gap:8px;padding:9px 10px}.mk b{font-size:16px}.mk-ic{width:26px;height:26px;font-size:12px}.mock-main{padding:13px 13px 14px}.mock-chart{padding:10px 11px 4px}.md{padding:8px 11px}.mf-1{padding:10px 13px;bottom:14px;right:6px}.mf-1 .prog{width:110px}.mf-2{display:none}.hero-mtn-bg{height:120px}}@media (width<=1220px){.nav-tel{display:none}}@media (width<=1020px){.nav-links{display:none}.brand{margin-right:auto}.nav-menu-btn{display:inline-flex}.mobile-nav:not([hidden]){display:block}}@media (width<=960px){h1{font-size:36px}.stats{grid-template-columns:repeat(2,1fr)}.sol-row{grid-template-rows:auto auto;grid-template-columns:52px 1fr;gap:8px 20px}.sol-desc,.sol-link{grid-column:2}.frow{grid-template-columns:1fr}section{padding:64px 0}}@media (width<=600px){.nav{gap:8px;height:64px;padding-left:16px;padding-right:16px}.brand img{height:34px}.nav-cta{gap:0}.btn-nav{padding:9px 11px;font-size:13px}.mobile-nav-links{padding-left:16px;padding-right:16px}}