/* 登录页样式（管理后台与用户中心共用，原 admin/Ui.php 内联 CSS 抽离）。 */
*{box-sizing:border-box}
body.app-login-body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:#f5f7fb;color:#0f172a;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif}
.app-login-bg{position:fixed;inset:0;background:radial-gradient(900px 520px at 12% 8%,rgba(37,99,235,.14),transparent 60%),radial-gradient(760px 480px at 92% 92%,rgba(6,182,212,.13),transparent 62%),linear-gradient(180deg,#f8fafc,#eef3fb)}
.app-login-card{position:relative;width:min(420px,100%);background:rgba(255,255,255,.94);border:1px solid rgba(226,232,240,.9);border-radius:20px;padding:34px 34px 24px;box-shadow:0 30px 80px rgba(15,23,42,.12);backdrop-filter:blur(10px)}
.app-login-brand{display:flex;align-items:center;gap:13px;margin-bottom:26px}
.app-login-brand h1{margin:0;font-size:21px;letter-spacing:-.2px}
.app-login-brand p{margin:4px 0 0;color:#64748b;font-size:13px}
.app-logo-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#2563eb,#06b6d4);color:#fff;font-size:22px;font-weight:800;box-shadow:0 10px 22px rgba(37,99,235,.28);flex:0 0 auto}
.app-alert{padding:10px 13px;border-radius:9px;margin-bottom:16px;font-size:13px;background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}
.app-login-field{position:relative;margin-bottom:14px}
.app-login-field .layui-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#94a3b8;font-size:17px;pointer-events:none}
.app-login-field .layui-input{height:46px;padding-left:42px;border-radius:10px;border-color:#dbe3ee;background:#fff}
.app-login-field .layui-input:focus{border-color:#2563eb!important;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.app-login-btn{height:46px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#1d4ed8);font-weight:600;letter-spacing:2px;box-shadow:0 10px 20px rgba(37,99,235,.22)}
.app-login-btn:hover{opacity:.95}
.app-login-foot{margin-top:22px;text-align:center;color:#94a3b8;font-size:12px}
@media (max-width:480px){.app-login-card{padding:26px 22px 20px;border-radius:16px}}