:root{--ruc2-bg:#041420;--ruc2-panel:#0a2131;--ruc2-line:#15374d;--ruc2-glow:#dfac20;--ruc2-bio:#3b2970;--ruc2-txt:#e4f4f6;--ruc2-dim:#8fb4bf;--ruc2-btn:#dfac20}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;color:var(--ruc2-txt);font:16px/1.72 "Assistant",sans-serif;background:
 radial-gradient(800px 500px at 20% -10%,rgba(223,172,32,.14),transparent 60%),
 radial-gradient(900px 620px at 90% 110%,rgba(59,41,112,.16),transparent 60%),var(--ruc2-bg)}
.ruc2-wrap{max-width:980px;margin:0 auto;padding:0 20px}
a{color:var(--ruc2-glow)}
.ruc2-head{position:sticky;top:0;z-index:9;background:rgba(4,20,32,.88);backdrop-filter:blur(8px);border-bottom:1px solid var(--ruc2-line)}
.ruc2-head .ruc2-wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.ruc2-logo{font-family:"Inter",cursive;font-weight:700;font-size:20px;color:var(--ruc2-txt);text-decoration:none}
.ruc2-logo::before{content:"≈ ";color:var(--ruc2-glow)}
.ruc2-nav{display:flex;gap:20px;font-size:13.5px;font-weight:600}
.ruc2-nav a{color:var(--ruc2-dim);text-decoration:none}
.ruc2-nav a:hover{color:var(--ruc2-glow)}
.ruc2-hero{padding:82px 0 60px;text-align:center;position:relative;overflow:hidden}
.ruc2-hero i.ruc2-bub{position:absolute;border:1px solid rgba(223,172,32,.35);border-radius:50%;pointer-events:none}
.ruc2-depth{display:inline-block;border:1px solid var(--ruc2-glow);color:var(--ruc2-glow);border-radius:999px;padding:7px 18px;font-size:12.5px;letter-spacing:2px;text-transform:uppercase;background:rgba(223,172,32,.06)}
.ruc2-hero h1{font-family:"Inter",cursive;font-weight:700;font-size:clamp(28px,4.8vw,46px);line-height:1.22;margin:20px auto 12px;max-width:800px}
.ruc2-hero h1 span{color:var(--ruc2-glow);text-shadow:0 0 22px rgba(223,172,32,.5)}
.ruc2-lead{color:var(--ruc2-dim);max-width:600px;margin:0 auto;font-size:17px}
.ruc2-btn{display:inline-block;border-radius:999px;padding:14px 32px;font-weight:700;text-decoration:none;margin:24px 8px 0;font-family:"Inter",cursive}
.ruc2-btn--p{background:var(--ruc2-glow);color:#03231d;box-shadow:0 0 30px rgba(223,172,32,.4)}
.ruc2-btn--g{border:1px solid var(--ruc2-line);color:var(--ruc2-txt)}
.ruc2-sonar{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:36px}
.ruc2-sonar div{background:var(--ruc2-panel);border:1px solid var(--ruc2-line);border-radius:16px;padding:14px 22px}
.ruc2-sonar b{font-family:"Inter",cursive;font-size:19px;color:var(--ruc2-glow);display:block}
.ruc2-sonar span{font-size:12px;color:var(--ruc2-dim)}
.ruc2-wave{height:34px;background:
 radial-gradient(44px 30px at 25% 0,var(--ruc2-panel) 98%,transparent) 0 0/88px 100%,
 radial-gradient(44px 30px at 75% 0,transparent 98%,var(--ruc2-panel)) 44px 0/88px 100%}
section{padding:26px 0 2px}
.ruc2-abyss{background:var(--ruc2-panel);border:1px solid var(--ruc2-line);border-radius:20px;padding:26px 30px;margin:14px 0;box-shadow:0 0 40px rgba(223,172,32,.05)}
section h2{font-family:"Inter",cursive;font-weight:700;font-size:clamp(21px,2.8vw,27px);margin:0 0 12px}
section h2::before{content:"≈ ";color:var(--ruc2-bio)}
section h3{font-family:"Inter",cursive;font-size:16.5px;color:var(--ruc2-glow)}
.ruc2-tbl-wrap{overflow-x:auto;margin:14px 0;border-radius:14px;border:1px solid var(--ruc2-line)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
caption{text-align:left;color:var(--ruc2-dim);padding:10px 14px;font-size:12.5px;letter-spacing:1px;text-transform:uppercase}
th{background:#0c2a3e;color:var(--ruc2-glow);padding:11px 14px;text-align:left;font-family:"Inter",cursive;font-size:12.5px}
td{padding:11px 14px;border-top:1px solid var(--ruc2-line)}
ul{list-style:none;padding:0}
ul li{padding-left:26px;position:relative;margin:8px 0}
ul li::before{content:"◦";position:absolute;left:2px;color:var(--ruc2-bio);font-size:18px;line-height:1}
ol{padding-left:24px}ol li{margin:8px 0}ol li::marker{color:var(--ruc2-glow);font-weight:700}
.ruc2-note{border:1px solid rgba(59,41,112,.5);background:rgba(59,41,112,.08);border-radius:14px;padding:14px 18px;color:#d9ccff;margin:16px 0}
.ruc2-faqo{background:var(--ruc2-panel);border:1px solid var(--ruc2-line);border-radius:14px;margin:9px 0}
.ruc2-faqo summary{cursor:pointer;padding:14px 18px;font-weight:700;list-style:none;font-family:"Inter",cursive;font-size:14.5px}
.ruc2-faqo summary::before{content:"≈ ";color:var(--ruc2-glow)}
.ruc2-faqo div{padding:0 18px 15px;color:var(--ruc2-dim)}
footer{margin-top:46px;border-top:1px solid var(--ruc2-line);padding:26px 0;text-align:center;color:var(--ruc2-dim);font-size:13.5px}
@media(max-width:700px){.ruc2-nav{display:none}}

.ruc2-cta-js{-webkit-appearance:none;appearance:none;font:inherit;line-height:inherit;cursor:pointer;text-align:center;text-decoration:none}