:root{--bg:#0b0e13;--panel:#111720;--line:rgba(255,255,255,.09);--ink:#eef3f8;--dim:#9aa7b7;--blue:#4a9cff;--green:#39b980;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}.hidden{display:none!important}.topbar{height:64px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 clamp(18px,4vw,52px)}.brand{font-weight:800;letter-spacing:.24em}.back{margin-left:auto;color:var(--dim);font-size:14px}.shell{width:min(1080px,calc(100% - 36px));margin:0 auto;padding:72px 0 54px;display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,430px);gap:72px}.eyebrow{font:600 12px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.18em;color:var(--blue);margin:0 0 18px}.intro h1{font-size:clamp(34px,5vw,58px);line-height:1.08;margin:0}.intro>p:not(.eyebrow){color:var(--dim);font-size:16px;line-height:1.8}.card{background:linear-gradient(180deg,#171f2b,var(--panel));border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 24px 70px rgba(0,0,0,.36)}.tabs{display:grid;grid-template-columns:1fr 1fr;background:rgba(0,0,0,.22);padding:4px;border-radius:10px;margin-bottom:22px}.tab{border:0;background:transparent;color:var(--dim);border-radius:8px;padding:10px;cursor:pointer}.tab.active{background:rgba(255,255,255,.08);color:var(--ink)}.form{display:grid;gap:14px}.form label{display:grid;gap:7px;font-size:13px;color:var(--dim)}input{width:100%;border:1px solid var(--line);background:#0d1219;color:var(--ink);border-radius:10px;padding:12px 13px;font:inherit}.primary,.secondary{border-radius:10px;padding:12px 14px;cursor:pointer;font-weight:700}.primary{border:0;background:var(--blue);color:#fff}.secondary{background:rgba(255,255,255,.07);color:var(--ink);border:1px solid var(--line)}.link-button{border:0;background:transparent;color:#8ebeff;cursor:pointer;padding:4px 0;text-align:left}.badge{display:inline-flex;border:1px solid rgba(74,156,255,.35);background:rgba(74,156,255,.08);color:#9bc8ff;border-radius:999px;padding:5px 9px;font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace}.badge.success{border-color:rgba(57,185,128,.35);color:#7bd6aa}.message{min-height:1.5em;margin:18px 0 0;font-size:13px;color:var(--dim)}.message.error{color:#ff9aa3}.message.ok{color:#86d9b1}.account-data div{display:grid;grid-template-columns:82px 1fr;padding:12px 0;border-bottom:1px solid var(--line)}dt{color:var(--dim);font-size:13px}dd{margin:0;text-align:right;overflow-wrap:anywhere}.muted,.fineprint{color:var(--dim);font-size:12px;line-height:1.6}footer{width:min(1080px,calc(100% - 36px));margin:0 auto;padding:22px 0 36px;border-top:1px solid var(--line);color:var(--dim);font-size:12px}@media(max-width:800px){.shell{grid-template-columns:1fr;gap:34px;padding-top:42px}.card{padding:20px}}