:root{--navy:#071f3f;--blue:#0b5bd3;--blue2:#1976ec;--wash:#f2f6fb;--line:#dce4ef;--ink:#10233f;--muted:#6b7d94;--red:#ef3d4d;--green:#19a66a;--shadow:0 18px 45px rgba(18,45,80,.1);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--wash);font-size:16px}button,input,textarea{font:inherit}button{cursor:pointer}.primary{border:0;border-radius:10px;padding:13px 20px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:800;box-shadow:0 7px 18px #0b5bd32b}.primary.compact{padding:11px 16px}.notice{margin:14px 0;padding:12px;border-radius:9px}.notice.error{background:#fff0f1;color:#c82634}.notice.success{background:#e9faf2;color:#087b4b}.brand-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,#082c5a,#1477eb);color:#fff;font-size:22px;font-weight:900;box-shadow:0 12px 28px #073a7e35}.login-page,.install-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 15% 10%,#dcecff 0,transparent 35%),linear-gradient(140deg,#eef4fb,#f9fbfd)}.login-shell{width:min(980px,100%);min-height:600px;display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden;border:1px solid #dbe4ef;border-radius:24px;background:#fff;box-shadow:0 28px 80px #123a7130}.login-brand{padding:62px 54px;color:#fff;background:radial-gradient(circle at 80% 20%,#1e66b9 0,transparent 32%),linear-gradient(145deg,#061a35,#0a3567)}.login-brand>span{display:block;margin:26px 0 8px;color:#73b4ff;font-size:13px;font-weight:900;letter-spacing:.18em}.login-brand h1{margin:0;font-size:46px;line-height:1.22}.login-brand p{max-width:390px;margin:22px 0;color:#c2d3e7;line-height:1.9}.trust-row{display:flex;gap:10px;margin-top:40px}.trust-row b{padding:7px 12px;border:1px solid #ffffff40;border-radius:18px;font-size:12px}.login-card{align-self:center;padding:52px}.login-card>small,.sites-head small{color:var(--blue);font-weight:900;letter-spacing:.16em}.login-card h2{margin:10px 0 5px;font-size:34px}.login-card>p{margin:0 0 28px;color:var(--muted)}.login-card label,.install-form label,#siteForm label{display:block;margin:16px 0;color:#4d6078;font-size:14px}.login-card input,.install-form input,#siteForm input{width:100%;margin-top:7px;padding:13px 14px;border:1px solid #ccd7e5;border-radius:10px;background:#fff;outline:none}.login-card input:focus,.install-form input:focus,#siteForm input:focus{border-color:var(--blue);box-shadow:0 0 0 4px #0b5bd314}.login-card .primary{width:100%;margin-top:12px}.install-card{width:min(760px,100%);padding:38px 44px;border-radius:22px;background:#fff;box-shadow:var(--shadow)}.install-card h1{margin:15px 0 5px}.install-card>p{color:var(--muted)}.install-form h2{margin:27px 0 5px;padding-top:18px;border-top:1px solid var(--line);font-size:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.topbar{height:76px;display:flex;align-items:center;padding:0 24px;border-bottom:1px solid var(--line);background:#fff}.logo{display:flex;align-items:center;gap:11px;margin-right:42px}.logo>span{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--navy);color:#fff;font-weight:900}.logo b,.logo small{display:block}.logo small{margin-top:2px;color:var(--muted);font-size:11px}.topbar nav{display:flex;align-self:stretch}.nav-btn{position:relative;padding:0 22px;border:0;background:none;color:#5d6f85;font-weight:800}.nav-btn.active{color:var(--blue)}.nav-btn.active:after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;background:var(--blue)}.nav-btn i,#topUnread:not(:empty){display:inline-grid;place-items:center;min-width:19px;height:19px;margin-left:4px;padding:0 5px;border-radius:10px;background:var(--red);color:#fff;font-size:11px;font-style:normal}.agent{display:flex;align-items:center;gap:16px;margin-left:auto}.agent>a{color:var(--muted);font-size:13px;text-decoration:none}.status{display:flex;align-items:center;gap:7px;padding:8px 12px;border:1px solid var(--line);border-radius:18px;background:#fff}.status i{width:8px;height:8px;border-radius:50%;background:#a7b2c0}.status.online i{background:var(--green);box-shadow:0 0 0 4px #19a66a1d}.workspace{height:calc(100vh - 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