:root{
  --bg:#f4f6fb;
  --panel:#ffffff;
  --ink:#1c2434;
  --ink-2:#5b6577;
  --muted:#8a93a6;
  --line:#e6e9f0;
  --brand:#2f6bff;
  --brand-d:#1f53d6;
  --brand-soft:#eaf0ff;
  --ok:#16a34a;
  --warn:#d97706;
  --danger:#dc2626;
  --radius:14px;
  --shadow:0 10px 30px rgba(28,36,52,.08);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.icon{display:inline-block;vertical-align:middle;flex:none}

/* ---------- 布局 ---------- */
.topbar{
  height:60px;background:var(--panel);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:14px;padding:0 22px;position:sticky;top:0;z-index:20;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.5px}
.brand .logo{width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center}
.topbar .spacer{flex:1}
.topbar .who{display:flex;align-items:center;gap:8px;color:var(--ink-2);font-size:14px}
.btn{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:10px;
  border:1px solid transparent;background:var(--brand);color:#fff;font-weight:600;font-size:14px;cursor:pointer;
  transition:background .15s,box-shadow .15s,transform .05s;
}
.btn:hover{background:var(--brand-d)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{background:var(--bg);border-color:var(--muted)}
.btn.sm{height:34px;padding:0 12px;font-size:13px}
.btn.block{width:100%;justify-content:center;height:46px;font-size:15px}

.wrap{max-width:1080px;margin:0 auto;padding:28px 22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.pad{padding:26px}

/* ---------- 表单 ---------- */
.field{margin-bottom:18px}
.field label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);font-weight:600;margin-bottom:8px}
.field label .icon{color:var(--brand)}
.input{
  width:100%;height:46px;border:1px solid var(--line);border-radius:10px;padding:0 14px;font-size:15px;
  background:#fbfcfe;color:var(--ink);transition:border .15s,box-shadow .15s;
}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);background:#fff}
.hint{font-size:12px;color:var(--muted);margin-top:6px}

/* ---------- 提示 ---------- */
.notice{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:10px;font-size:14px;margin-bottom:18px}
.notice .icon{flex:none}
.notice.error{background:#fef2f2;color:var(--danger);border:1px solid #fbd5d5}
.notice.ok{background:#f0fdf4;color:var(--ok);border:1px solid #bbf7d0}
.notice.info{background:var(--brand-soft);color:var(--brand-d);border:1px solid #d4e2ff}

/* ---------- 认证页（商业化两栏） ---------- */
.auth{display:flex;align-items:center;justify-content:center;padding:48px 20px;min-height:100vh}
.auth .card{width:880px;max-width:100%;display:flex;overflow:hidden;padding:0}
/* 左侧品牌区 */
.auth .aside{
  width:340px;flex:none;background:linear-gradient(160deg,#2f6bff,#1f53d6);
  color:#fff;padding:40px 34px;display:flex;flex-direction:column;
}
.auth .aside .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px}
.auth .aside .brand .logo{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.16);color:#fff;display:flex;align-items:center;justify-content:center}
.auth .aside h2{font-size:26px;line-height:1.35;margin:auto 0 14px;font-weight:700}
.auth .aside p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);margin:0}
.auth .aside .feats{margin-top:26px;display:grid;gap:14px}
.auth .aside .feat{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.92)}
.auth .aside .feat .ic{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;flex:none}
.auth .aside .foot{margin-top:auto;padding-top:24px;font-size:12px;color:rgba(255,255,255,.6)}
/* 右侧表单区 */
.auth .form{padding:40px 38px;flex:1}
.auth .head{margin-bottom:24px}
.auth .head h1{margin:0 0 6px;font-size:23px}
.auth .head p{margin:0;color:var(--muted);font-size:14px}

/* 输入框示例与聚焦提示 */
.hint{font-size:12px;color:var(--muted);margin-top:7px;display:flex;align-items:center;gap:6px}
.hint .icon{color:var(--brand);flex:none}
.input::placeholder{color:#aeb6c6;font-weight:400}
.field.req label::after{content:"*";color:var(--danger);margin-left:3px;font-weight:700}
/* 聚焦时显示格式要求气泡 */
.field .tip{
  font-size:12px;color:var(--ink-2);background:#f7f9fd;border:1px solid var(--line);
  border-radius:8px;padding:8px 10px;margin-top:8px;display:none;align-items:center;gap:6px;
}
.field .input:focus ~ .tip{display:flex}
.field .tip .icon{color:var(--brand);flex:none}
.auth .switch{text-align:center;margin-top:16px;color:var(--ink-2);font-size:14px}
.auth .switch a{color:var(--brand);font-weight:600}
.remember{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin:4px 0 18px;cursor:pointer;user-select:none}
.remember input{width:16px;height:16px;accent-color:var(--brand);cursor:pointer}
/* 成功态居中 */
.auth .form .ok-center{text-align:center;padding:30px 0}
.auth .form .ok-center .badge{
  width:64px;height:64px;border-radius:18px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
}

@media(max-width:760px){
  .auth .card{flex-direction:column;width:100%}
  .auth .aside{width:100%;padding:28px 24px}
  .auth .aside h2{margin:16px 0 10px;font-size:22px}
  .auth .form{padding:28px 22px}
}

/* ---------- 统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.stat .n{font-size:28px;font-weight:700}
.stat .l{color:var(--ink-2);font-size:13px;margin-top:4px;display:flex;align-items:center;gap:8px}
.stat .icon{color:var(--brand)}

/* ---------- 表格 ---------- */
.table-tools{display:flex;gap:12px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.table-tools .search{position:relative;flex:1;min-width:220px}
.table-tools .search .icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted)}
.table-tools .search .input{padding-left:40px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:780px}
thead th{
  background:#f7f9fd;text-align:left;padding:12px 14px;color:var(--ink-2);font-weight:600;
  border-bottom:1px solid var(--line);white-space:nowrap;position:sticky;top:0;
}
tbody td{padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
tbody tr:hover{background:#fafbff}
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.tag.admin{background:var(--brand-soft);color:var(--brand-d)}
.tag.user{background:#eef1f6;color:var(--ink-2)}
.empty{padding:40px;text-align:center;color:var(--muted)}

.section-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin:0 0 16px}
.section-title .icon{color:var(--brand)}

/* 我的信息列表 */
.info-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.info-list .row{display:flex;justify-content:space-between;gap:16px;padding:14px 18px;background:var(--panel)}
.info-list .row .k{color:var(--ink-2);display:flex;align-items:center;gap:8px}
.info-list .row .k .icon{color:var(--brand)}
.info-list .row .v{font-weight:600;text-align:right}

@media(max-width:760px){
  .stats{grid-template-columns:repeat(2,1fr)}
}