:root{
  --ms-blue:#0067b8;
  --ms-blue-dark:#00509e;
  --ms-blue-hover:#0078d4;
  --ms-text:#1f1f1f;
  --ms-muted:#616161;
  --ms-line:#e3e3e3;
  --ms-bg:#f3f2f1;
  --ms-card:#ffffff;
  --ms-red:#a4262c;
  --ms-green:#107c10;
  --ms-yellow:#fffbeb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Segoe UI","Microsoft YaHei UI","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--ms-text);background:var(--ms-bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--ms-blue);text-decoration:none}
a:hover{text-decoration:underline}
code{background:#f0f0f0;padding:1px 5px;border-radius:3px;font-family:Consolas,monospace;font-size:12px}

/* 布局 */
.ms-shell{display:flex;min-height:100vh}
.ms-brand{
  flex:1 1 45%;position:relative;display:flex;flex-direction:column;justify-content:center;
  padding:64px 8%;color:#fff;overflow:hidden;
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(255,255,255,.16), transparent 60%),
    linear-gradient(140deg,#0b3f70 0%,#0067b8 48%,#4aa3df 100%);
}
.ms-brand::after{
  content:"";position:absolute;right:-120px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.18),transparent 65%);
}
.ms-brand-inner{position:relative;z-index:2;max-width:520px}
.ms-logo{
  width:72px;height:72px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:30px;font-weight:700;letter-spacing:1px;margin-bottom:22px;
  background:#fff;color:var(--ms-blue);box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.ms-title{font-size:44px;margin:0 0 6px;letter-spacing:1px;font-weight:600}
.ms-subtitle{font-size:19px;margin:0 0 30px;opacity:.9}
.ms-points{list-style:none;padding:0;margin:0;font-size:15px;line-height:2.1;opacity:.95}
.ms-points code{background:rgba(255,255,255,.16);color:#fff}
.ms-brand-footer{position:absolute;left:8%;bottom:26px;font-size:12px;opacity:.75;z-index:2}

.ms-panel{
  flex:1 1 55%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:48px 32px;background:var(--ms-bg);
}
.ms-card{
  width:100%;max-width:440px;background:var(--ms-card);border:1px solid var(--ms-line);
  border-radius:2px;padding:34px 38px 26px;box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.ms-card-head h2{font-size:24px;margin:0 0 4px;font-weight:600}
.ms-muted{color:var(--ms-muted);font-size:13px;margin:0}

/* Tabs */
.ms-tabs{display:flex;border-bottom:1px solid var(--ms-line);margin:22px 0 22px;gap:2px}
.ms-tab{
  border:none;background:transparent;padding:9px 16px;font-size:14px;color:var(--ms-muted);
  cursor:pointer;border-bottom:2px solid transparent;font-family:inherit;
}
.ms-tab:hover{color:var(--ms-text)}
.ms-tab.active{color:var(--ms-blue);border-bottom-color:var(--ms-blue);font-weight:600}

/* 表单 */
.ms-field{margin-bottom:18px}
.ms-field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.ms-field input[type=text],.ms-field input[type=password]{
  width:100%;height:38px;padding:6px 10px;font-size:14px;font-family:inherit;
  border:1px solid #8a8886;border-bottom-color:var(--ms-blue);border-radius:2px;background:#fff;color:var(--ms-text);
}
.ms-field input[type=text]:focus,.ms-field input[type=password]:focus{
  outline:none;border-color:var(--ms-blue);border-bottom:2px solid var(--ms-blue);
}
.ms-field input::placeholder{color:#a19f9d}
.ms-hint{display:block;font-size:12px;margin-top:5px;min-height:15px;color:var(--ms-muted)}
.ms-hint.ok{color:var(--ms-green)}
.ms-hint.bad{color:var(--ms-red)}
.ms-pw{position:relative}
.ms-pw input{padding-right:56px!important}
.ms-eye{
  position:absolute;right:4px;top:5px;height:28px;padding:0 10px;border:1px solid #d1d1d1;
  background:#faf9f8;border-radius:2px;font-size:12px;color:var(--ms-muted);cursor:pointer;font-family:inherit;
}
.ms-eye:hover{background:#f0f0f0}
.ms-captcha{display:flex;gap:10px}
.ms-captcha input{flex:1}
.ms-captcha-img{
  width:120px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;
  font-family:Consolas,monospace;font-size:19px;font-weight:700;letter-spacing:3px;color:#1a1a1a;
  background:linear-gradient(90deg,#eef3f8,#dfe9f3);border:1px solid #c5d5e5;border-radius:2px;user-select:none;
}
.ms-row-between{display:flex;align-items:center;justify-content:space-between;margin:4px 0 20px;font-size:13px}
.ms-check{display:flex;align-items:center;gap:6px;color:var(--ms-muted);font-weight:400}

.ms-btn{
  display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 18px;
  font-size:14px;font-family:inherit;border:1px solid var(--ms-line);background:#fff;color:var(--ms-text);
  border-radius:2px;cursor:pointer;text-decoration:none;
}
.ms-btn:hover{background:#f7f7f7;text-decoration:none}
.ms-btn-primary{width:100%;background:var(--ms-blue);border-color:var(--ms-blue);color:#fff;font-weight:600}
.ms-btn-primary:hover{background:var(--ms-blue-hover);border-color:var(--ms-blue-hover)}
.ms-btn:disabled{opacity:.6;cursor:not-allowed}
.ms-msg{margin-top:14px;font-size:13px;min-height:18px;white-space:pre-wrap}
.ms-msg.ok{color:var(--ms-green)}
.ms-msg.bad{color:var(--ms-red)}

.ms-card-foot{margin-top:22px;padding-top:16px;border-top:1px solid var(--ms-line);font-size:13px;color:var(--ms-muted)}
.ms-sep{margin:0 6px}
.ms-legal{margin-top:24px;font-size:12px;color:var(--ms-muted);text-align:center;line-height:1.9}

.ms-hidden{display:none!important}

/* 仪表盘 */
.ms-dash-card{
  width:100%;max-width:440px;background:var(--ms-card);border:1px solid var(--ms-line);
  border-radius:2px;padding:34px 38px;box-shadow:0 2px 8px rgba(0,0,0,.06);margin:60px auto;
}
.ms-dash-card h2{font-size:24px;margin:0 0 4px}
.ms-stats{display:flex;gap:14px;margin:22px 0}
.ms-stat{flex:1;border:1px solid var(--ms-line);border-radius:2px;padding:14px;background:#faf9f8}
.ms-stat span{display:block;font-size:12px;color:var(--ms-muted);margin-bottom:4px}
.ms-stat b{font-size:20px}
.ms-dash-actions{display:flex;gap:10px}
.ms-dash-actions .ms-btn-primary{width:auto;flex:1}

/* 表格（后台） */
.ms-table{width:100%;border-collapse:collapse;font-size:13px}
.ms-table th,.ms-table td{padding:9px 10px;border-bottom:1px solid var(--ms-line);text-align:left}
.ms-table th{background:#faf9f8;font-weight:600;color:var(--ms-muted)}
.ms-table tr:hover td{background:#fbfbfb}
.ms-badge{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px}
.ms-badge.ok{background:#dff6dd;color:var(--ms-green)}
.ms-badge.off{background:#fde7e9;color:var(--ms-red)}
.ms-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.ms-toolbar input[type=text],.ms-toolbar input[type=number],.ms-toolbar select{
  height:34px;padding:4px 8px;border:1px solid #8a8886;border-radius:2px;font-size:13px;font-family:inherit;
}
.ms-btn-sm{height:30px;padding:0 12px;font-size:12px}

/* 后台布局 */
.ms-admin-body{background:var(--ms-bg)}
.ms-admin-head{
  background:#fff;border-bottom:1px solid var(--ms-line);padding:12px 26px;display:flex;
  align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10;
}
.ms-admin-head .ms-logo{width:36px;height:36px;font-size:15px;margin:0;border-radius:4px}
.ms-admin-brand{display:flex;align-items:center;gap:12px}
.ms-admin-brand b{font-size:16px}
.ms-admin-wrap{max-width:1100px;margin:26px auto;padding:0 20px}
.ms-panel-box{background:#fff;border:1px solid var(--ms-line);border-radius:2px;padding:20px;margin-bottom:18px}
.ms-panel-box h3{margin:0 0 14px;font-size:16px}
.ms-login-wrap{max-width:400px;margin:90px auto}

@media (max-width:900px){
  .ms-shell{flex-direction:column}
  .ms-brand{padding:44px 8% 60px}
  .ms-title{font-size:32px}
  .ms-panel{padding:32px 18px}
  .ms-card,.ms-dash-card{padding:26px 22px}
}