:root{--blue:#1769e8;--blue2:#2f7cf4;--navy:#091b3b;--ink:#17243b;--muted:#63708a;--line:#e4eaf3;--soft:#f4f7fc;--cyan:#45c9ed;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#fff}a{text-decoration:none;color:inherit}.rd-shell{width:min(1180px,calc(100% - 48px));margin:auto}.rd-header{height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(10,37,85,.08);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.rd-header-inner{height:100%;display:flex;align-items:center;gap:40px}.rd-logo img{display:block;width:168px;max-height:48px;object-fit:contain}.rd-nav{display:flex;gap:30px;margin-left:auto;font-size:15px;color:#34425c}.rd-nav a{position:relative;padding:25px 0}.rd-nav a:hover{color:var(--blue)}.rd-nav a:after{content:"";position:absolute;left:50%;right:50%;bottom:17px;height:2px;background:var(--blue);transition:.2s}.rd-nav a:hover:after{left:0;right:0}.rd-header-button{padding:10px 22px;background:var(--blue);color:#fff;border-radius:8px;font-weight:700}.rd-hero{min-height:670px;position:relative;overflow:hidden;background:linear-gradient(135deg,#061836 0%,#0b2d65 57%,#0b5591 100%);color:#fff}.rd-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,#000,transparent)}.rd-orb{position:absolute;border-radius:50%;filter:blur(6px);opacity:.34}.rd-orb-one{width:500px;height:500px;background:#136ef3;right:-170px;top:-180px}.rd-orb-two{width:260px;height:260px;background:#28c9df;left:40%;bottom:-190px}.rd-hero-layout{min-height:670px;position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}.rd-eyebrow{display:inline-flex;align-items:center;gap:9px;color:#8fdfff;font-size:13px;letter-spacing:2px;font-weight:700}.rd-eyebrow i{width:26px;height:2px;background:#4fd8f5}.rd-hero h1{font-size:50px;line-height:1.22;margin:22px 0 20px;letter-spacing:-2px}.rd-hero h1 em{font-style:normal;color:#6fe1ff}.rd-hero-copy>p{font-size:18px;line-height:1.9;color:#c8d9f2;max-width:570px}.rd-actions{display:flex;gap:14px;margin-top:34px}.rd-button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 26px;border-radius:9px;font-weight:700;transition:.2s}.rd-button.primary{background:linear-gradient(135deg,#1d76f2,#2ba7ed);color:#fff;box-shadow:0 12px 30px rgba(21,112,238,.25)}.rd-button.primary:hover{transform:translateY(-2px);box-shadow:0 17px 35px rgba(21,112,238,.32)}.rd-button.secondary{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06)}.rd-trust{display:flex;gap:24px;list-style:none;padding:0;margin:28px 0 0;color:#b9cde9;font-size:13px}.rd-trust li:before{content:"✓";color:#51d8e9;margin-right:7px}.rd-hero-console{border:1px solid rgba(129,190,255,.26);background:rgba(8,28,63,.78);border-radius:18px;box-shadow:0 28px 70px rgba(0,0,0,.3);overflow:hidden;transform:perspective(1200px) rotateY(-3deg)}.rd-console-top{height:52px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.1);font-size:13px;color:#d8e8fc}.rd-console-top span{display:flex;align-items:center;gap:9px}.rd-console-top i{width:9px;height:9px;border-radius:50%;background:#4ce3a3;box-shadow:0 0 12px #4ce3a3}.rd-console-top b{font-size:11px;color:#72efbb}.rd-console-body{display:grid;grid-template-columns:155px 1fr;min-height:330px}.rd-console-body aside{padding:20px 12px;border-right:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:7px;color:#a9bdd9;font-size:12px}.rd-console-body aside strong{color:#fff;margin:0 8px 9px}.rd-console-body aside small{margin:15px 8px 3px;color:#7189aa}.rd-console-body aside span{padding:9px 10px;border-radius:6px;display:flex;justify-content:space-between}.rd-console-body aside .active{background:rgba(43,124,244,.3);color:#fff}.rd-console-main{padding:16px}.rd-console-tools{display:flex;gap:8px;align-items:center;margin-bottom:14px}.rd-console-tools span{margin-right:auto;color:#9eb7d8;font-size:12px}.rd-console-tools button{border:1px solid rgba(255,255,255,.18);background:#1769e8;color:#fff;border-radius:5px;padding:6px 9px;font-size:11px}.rd-host-row{display:grid;grid-template-columns:1.05fr 1fr .55fr;gap:8px;padding:13px 10px;border-bottom:1px solid rgba(255,255,255,.07);font-size:11px;color:#c8d7ea}.rd-host-row.head{color:#7189aa;background:rgba(255,255,255,.03)}.rd-host-row b{font-weight:500;color:#8497b2}.rd-host-row .online{color:#4cdda4}.rd-section{padding:100px 0}.rd-section-head{max-width:680px;margin-bottom:48px}.rd-section-head>span{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:3px}.rd-section-head h2{font-size:38px;line-height:1.35;margin:15px 0;color:#10213f}.rd-section-head p{color:var(--muted);line-height:1.9;font-size:16px}.rd-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.rd-feature-grid article{position:relative;min-height:255px;padding:32px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.25s;overflow:hidden}.rd-feature-grid article:hover{transform:translateY(-6px);border-color:#b8d4fc;box-shadow:0 18px 45px rgba(17,60,121,.1)}.rd-feature-grid article>b{position:absolute;right:20px;top:17px;font-size:44px;color:#edf3fb}.rd-icon{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;background:#eaf3ff;color:var(--blue);font-size:22px}.rd-feature-grid h3{font-size:20px;margin:24px 0 12px}.rd-feature-grid p{font-size:14px;line-height:1.85;color:var(--muted);margin:0}.rd-showcase{padding:95px 0;background:linear-gradient(145deg,#061936,#0b3c72);overflow:hidden}.rd-section-head.light h2{color:#fff}.rd-section-head.light p{color:#b8cae3}.rd-section-head.light>span{color:#60d8f4}.rd-screenshot{margin:0;background:#fff;border:10px solid rgba(255,255,255,.13);border-radius:17px;box-shadow:0 30px 80px rgba(0,0,0,.36);overflow:hidden}.rd-screenshot img{display:block;width:100%;height:auto}.rd-screenshot figcaption{padding:14px 20px;color:#69758c;font-size:13px;text-align:center;background:#fff}.rd-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0;list-style:none;border-top:1px solid var(--line)}.rd-steps li{padding:34px 30px;border-right:1px solid var(--line);display:flex;gap:18px}.rd-steps li:last-child{border-right:0}.rd-steps b{color:var(--blue);font-size:13px}.rd-steps h3{margin:0 0 10px;font-size:19px}.rd-steps p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.rd-scenes{background:var(--soft)}.rd-scene-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:center}.rd-scene-layout .rd-section-head{margin:0}.rd-scene-cards{display:grid;gap:14px}.rd-scene-cards article{padding:24px 28px;background:#fff;border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:180px 1fr;align-items:center}.rd-scene-cards strong{font-size:17px;color:#142849}.rd-scene-cards p{color:var(--muted);line-height:1.7;margin:0;font-size:14px}.rd-download{padding:100px 0;background:#eaf3ff}.rd-download-layout{display:grid;grid-template-columns:1fr 420px;gap:90px;align-items:center}.rd-eyebrow.dark{color:var(--blue)}.rd-download h2{font-size:42px;margin:20px 0;color:#10213f}.rd-download-layout>div:first-child>p{font-size:17px;line-height:1.9;color:var(--muted);max-width:620px}.rd-download-meta{display:flex;gap:30px;margin-top:30px;color:#62708b;font-size:13px}.rd-download-meta b{display:block;color:#172b4d;font-size:17px;margin-top:5px}.rd-download-card{padding:34px;background:#fff;border-radius:18px;box-shadow:0 25px 60px rgba(21,75,142,.14);text-align:center}.rd-app-mark{width:66px;height:66px;border-radius:17px;background:linear-gradient(135deg,#145ddf,#3d8bff);display:grid;place-items:center;color:#fff;font-size:25px;font-weight:800;margin:auto}.rd-download-card h3{margin:18px 0 5px;font-size:21px}.rd-download-card>p{color:var(--muted);font-size:14px}.rd-button.wide{width:100%;margin:18px 0 22px}.rd-download-card small{display:block;color:#7b879b;font-size:11px;text-align:left}.rd-download-card code{display:block;padding:10px 0;color:#41516b;font-size:10px;line-height:1.6;word-break:break-all;text-align:left}.rd-download-card .rd-sign-note{text-align:left;font-size:12px;line-height:1.65;margin:8px 0 0;padding-top:14px;border-top:1px solid var(--line)}.rd-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.rd-faq details{border:1px solid var(--line);border-radius:10px;padding:20px 22px;background:#fff}.rd-faq summary{font-weight:700;cursor:pointer}.rd-faq details p{color:var(--muted);font-size:14px;line-height:1.8;margin:15px 0 0}.rd-footer{padding:50px 0 22px;background:#07152e;color:#b0c0d7}.rd-footer>.rd-shell{display:flex;justify-content:space-between;align-items:center}.rd-footer strong{font-size:20px;color:#fff}.rd-footer p{font-size:13px}.rd-footer .rd-shell div:last-child{display:flex;gap:26px;font-size:13px}.rd-footer>p{text-align:center;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;margin:35px 0 0}.rd-footer a:hover{color:#fff}@media(max-width:980px){.rd-nav{display:none}.rd-header-inner{gap:15px}.rd-header-button{margin-left:auto}.rd-hero-layout{grid-template-columns:1fr;padding:75px 0}.rd-hero-console{transform:none}.rd-feature-grid{grid-template-columns:1fr 1fr}.rd-steps{grid-template-columns:1fr 1fr}.rd-steps li:nth-child(2){border-right:0}.rd-scene-layout,.rd-download-layout{grid-template-columns:1fr;gap:40px}.rd-download-card{max-width:520px}.rd-scene-cards article{grid-template-columns:150px 1fr}}@media(max-width:640px){.rd-shell{width:min(100% - 30px,1180px)}.rd-header{height:62px}.rd-logo img{width:135px}.rd-header-button{padding:9px 14px;font-size:13px}.rd-hero-layout{padding:60px 0}.rd-hero h1{font-size:35px}.rd-hero-copy>p{font-size:16px}.rd-actions{flex-direction:column}.rd-button{width:100%}.rd-trust{flex-direction:column;gap:8px}.rd-hero-console{display:none}.rd-section,.rd-showcase,.rd-download{padding:70px 0}.rd-section-head h2,.rd-download h2{font-size:30px}.rd-feature-grid,.rd-faq-grid{grid-template-columns:1fr}.rd-feature-grid article{min-height:220px}.rd-steps{grid-template-columns:1fr}.rd-steps li{border-right:0;border-bottom:1px solid var(--line)}.rd-scene-cards article{grid-template-columns:1fr;gap:10px}.rd-download-meta{display:grid;grid-template-columns:1fr 1fr;gap:18px}.rd-footer>.rd-shell{display:block}.rd-footer .rd-shell div:last-child{margin-top:25px;flex-wrap:wrap}}