*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#18202f;background:#fffaf2;letter-spacing:0;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(24,32,47,.055) 1px,transparent 1px),linear-gradient(0deg,rgba(24,32,47,.04) 1px,transparent 1px);background-size:56px 56px}
a{color:inherit;text-decoration:none}
.topbar{width:min(1180px,92%);margin:18px auto 0;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 14px;border:1px solid #eadfcc;background:rgba(255,250,242,.92);border-radius:8px;position:sticky;top:14px;z-index:30;box-shadow:0 14px 36px rgba(73,54,28,.08);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:10px;font-weight:950;font-size:19px;white-space:nowrap}
.brand img{width:38px;height:38px;border-radius:8px;display:block}
.topbar nav{display:flex;gap:28px;color:#756a5b;font-size:14px}
.topbar-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.download{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:8px;font-weight:950;background:#0e7c66;color:#fff;box-shadow:0 18px 34px rgba(14,124,102,.16)}
.download.windows{background:#334155;box-shadow:0 18px 34px rgba(51,65,85,.16)}
.download.small{min-height:40px;padding:0 18px}
.hero{width:min(1180px,92%);margin:62px auto 82px;display:grid;grid-template-columns:minmax(0,1fr) 520px;gap:54px;align-items:center}
.hero-panel{padding:22px 0}
.status-line{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;color:#0e7c66;font-weight:950;font-size:14px}
.status-line span{width:10px;height:10px;border-radius:50%;background:#f59e0b;box-shadow:0 0 0 7px rgba(245,158,11,.18)}
h1,h2,h3,p{letter-spacing:0}
h1{max-width:780px;margin:0;font-size:66px;line-height:1.05;color:#18202f}
.hero-panel p{max-width:650px;margin:24px 0 0;color:#6f6659;font-size:18px;line-height:1.8}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.device-stage{height:520px;position:relative;border:1px solid #eadfcc;border-radius:8px;overflow:hidden;background:#f7ead7;box-shadow:0 28px 72px rgba(73,54,28,.14)}
.device-stage:before{content:"";position:absolute;inset:32px;border:1px solid rgba(24,32,47,.1);border-radius:8px;background:rgba(255,255,255,.44)}
.desktop-card,.phone-card,.sync-card{position:absolute;border-radius:8px;background:#fff;box-shadow:0 22px 48px rgba(73,54,28,.16);border:1px solid #eadfcc}
.desktop-card{left:46px;right:46px;top:54px;height:250px;padding:26px}
.window-bar{display:flex;gap:8px;margin-bottom:36px}
.window-bar span{width:12px;height:12px;border-radius:50%;background:#f59e0b}
.window-bar span:nth-child(2){background:#0e7c66}
.window-bar span:nth-child(3){background:#334155}
.desktop-card strong{font-size:42px}
.desktop-card p,.phone-card p{margin:10px 0 0;color:#756a5b;font-weight:850}
.desktop-card em{position:absolute;right:26px;bottom:26px;font-style:normal;color:#0e7c66;font-weight:950}
.phone-card{left:74px;bottom:46px;width:190px;height:230px;padding:24px;background:#18202f;color:#fff}
.phone-card img{width:58px;height:58px;border-radius:12px;background:#fff;margin-bottom:36px}
.phone-card strong{display:block;font-size:28px}
.phone-card p{color:#cbd5e1}
.sync-card{right:54px;bottom:74px;width:210px;padding:22px}
.sync-card span{display:block;color:#756a5b;font-weight:900}
.sync-card b{display:block;margin:8px 0 18px;font-size:25px;color:#18202f}
.sync-card i{display:block;height:9px;border-radius:999px;background:linear-gradient(90deg,#0e7c66 0 74%,#f59e0b 74% 100%)}
section{width:min(1180px,92%);margin:0 auto 82px}
.devices{display:grid;grid-template-columns:370px 1fr;gap:36px;align-items:start;padding:34px;background:#fff;border:1px solid #eadfcc;border-radius:8px}
.node-copy p,.faq>div:first-child p{margin:0 0 12px;color:#0e7c66;font-weight:950}
.node-copy h2,.faq h2{margin:0;font-size:40px;line-height:1.18;color:#18202f}
.device-table{display:grid;gap:10px}
.device-table div{display:grid;grid-template-columns:1fr 90px 96px;align-items:center;gap:14px;padding:18px 20px;border-radius:8px;background:#fffaf2;border:1px solid #eadfcc}
.device-table span{font-weight:950}
.device-table b{color:#334155;font-size:22px}
.device-table a,.device-table em{font-style:normal;display:inline-flex;align-items:center;justify-content:center;min-height:36px;border-radius:8px;background:#0e7c66;color:#fff;font-weight:950}
.device-table em{background:#f59e0b;color:#201300}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.features article{padding:24px;border-radius:8px;background:#18202f;color:#fff}
.features span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:8px;background:#f59e0b;color:#201300;font-weight:950}
.features h3{margin:22px 0 10px;font-size:21px}
.features p{margin:0;color:#cbd5e1;line-height:1.68}
.faq{display:grid;grid-template-columns:360px 1fr;gap:34px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq details{padding:20px 22px;border-radius:8px;border:1px solid #eadfcc;background:#fff}
.faq summary{cursor:pointer;font-size:18px;font-weight:950}
.faq p{margin:12px 0 0;color:#756a5b;line-height:1.7}
footer{text-align:center;color:#756a5b;padding:36px 16px 44px}
@media(max-width:980px){
  .topbar nav{display:none}
  .hero{grid-template-columns:1fr;gap:36px;margin-top:46px}
  h1{font-size:50px}
  .device-stage{height:470px}
  .devices,.faq{grid-template-columns:1fr}
  .features{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .topbar{width:94%;gap:10px}
  .topbar-actions{gap:8px}
  .brand span{font-size:16px}
  .download.small{padding:0 10px;font-size:13px}
  h1{font-size:38px}
  .hero-panel p{font-size:16px}
  .download{width:100%;min-height:50px}
  .device-stage{height:440px}
  .desktop-card{left:18px;right:18px;top:26px;height:215px}
  .desktop-card strong{font-size:32px}
  .phone-card{left:28px;bottom:34px;width:155px;height:190px;padding:18px}
  .phone-card img{width:48px;height:48px;margin-bottom:22px}
  .sync-card{right:22px;bottom:46px;width:165px;padding:16px}
  .features,.device-table div{grid-template-columns:1fr}
  .device-table div{gap:8px}
  .devices{padding:22px}
}