:root{
  --bg:#0b0d10;--panel:#11151a;--panel2:#151a20;--text:#f4f7fb;--muted:#8d98a7;
  --line:#242b34;--soft:#1b222b;--accent:#e8edf5;--ok:#89d6a5;--warn:#f0c36b;
}
*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(circle at 20% -10%,rgba(116,142,171,.13),transparent 30%),
  radial-gradient(circle at 90% 10%,rgba(255,255,255,.05),transparent 22%),
  var(--bg);color:var(--text);font-family:Inter,"SF Pro Display","PingFang SC","Microsoft YaHei",system-ui,sans-serif;min-height:100vh}
a{color:inherit;text-decoration:none}
.nav{width:min(1160px,calc(100% - 36px));height:68px;margin:18px auto 0;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:18px;background:rgba(15,18,23,.8);backdrop-filter:blur(18px);position:sticky;top:12px;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-size:15px;letter-spacing:.04em}.dot{width:9px;height:9px;border-radius:50%;background:#fff;box-shadow:0 0 20px rgba(255,255,255,.5)}
.nav nav{display:flex;gap:8px;align-items:center}.nav nav a{padding:9px 12px;border-radius:10px;color:var(--muted);font-size:13px}.nav nav a:hover,.nav nav a.active{background:var(--soft);color:var(--text)}.manage-link{border:1px solid var(--line)}
main{width:min(1160px,calc(100% - 36px));margin:0 auto}
.hero{padding:120px 0 105px;max-width:880px}.hero.compact{padding-bottom:62px}.eyebrow{font-size:11px;letter-spacing:.18em;color:#9eabbc;font-weight:700;margin:0 0 20px}.hero h1{font-size:clamp(52px,8vw,100px);line-height:.96;letter-spacing:-.055em;margin:0 0 28px}.hero.compact h1{font-size:clamp(48px,6vw,82px)}.lead{font-size:18px;line-height:1.8;color:var(--muted);max-width:700px}.actions{display:flex;gap:10px;margin-top:32px;flex-wrap:wrap}.button{padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:var(--panel);font-size:13px}.button.primary{background:var(--text);color:#0c0e11;border-color:var(--text)}
.section{padding:0 0 90px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}.section-head h2{font-size:30px;margin:4px 0 0}.quiet{color:var(--muted);font-size:12px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{min-height:245px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(155deg,var(--panel2),var(--panel));padding:22px;display:flex;flex-direction:column;transition:.2s transform,.2s border-color,.2s background}.card:hover{transform:translateY(-3px);border-color:#3c4653;background:#171c22}.card.accent{background:linear-gradient(145deg,#eef2f7,#cfd7e1);color:#11151a}.card.disabled{opacity:.55;cursor:default}.card.disabled:hover{transform:none;border-color:var(--line)}.card-top{display:flex;align-items:center;justify-content:space-between}.icon{width:38px;height:38px;border:1px solid currentColor;border-radius:12px;display:grid;place-items:center;font-weight:800;opacity:.9}.status{font-size:11px;color:var(--ok);border:1px solid rgba(137,214,165,.25);background:rgba(137,214,165,.08);padding:6px 8px;border-radius:999px}.status.warn{color:var(--warn);border-color:rgba(240,195,107,.3);background:rgba(240,195,107,.08)}.status.neutral{color:var(--muted);border-color:var(--line);background:rgba(255,255,255,.03)}.status.offline{color:#f18b8b;border-color:rgba(241,139,139,.28);background:rgba(241,139,139,.08)}
.card h3{font-size:22px;margin:34px 0 10px}.card p{color:var(--muted);line-height:1.65;margin:0}.card.accent p{color:#46505d}.arrow{margin-top:auto;padding-top:25px;font-size:12px;color:#a9b4c2}.card.accent .arrow{color:#2a323c}
.notice{margin-top:18px;border:1px solid var(--line);background:rgba(255,255,255,.025);border-radius:16px;padding:18px 20px}.notice strong{font-size:13px}.notice p{color:var(--muted);font-size:13px;line-height:1.7;margin:7px 0 0}
footer{width:min(1160px,calc(100% - 36px));margin:0 auto 28px;padding:24px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#b6c0cc;font-size:12px}
@media(max-width:800px){.grid{grid-template-columns:1fr}.hero{padding:80px 0 70px}.nav{height:auto;min-height:62px;padding:10px 12px}.nav nav{gap:2px}.nav nav a{padding:8px}.card{min-height:210px}}
@media(max-width:520px){.nav nav a[href="#services"]{display:none}.hero h1{font-size:52px}.lead{font-size:15px}.section-head{align-items:start;flex-direction:column;gap:8px}footer{flex-direction:column;gap:8px}}