/* =============================================
   集群引导页系统 - 公共样式 (洁白简洁 / 腾讯云风格)
   ============================================= */
:root{
    --primary:#1677ff;
    --primary-hover:#0e5fd6;
    --primary-light:#eef4ff;
    --bg:#f5f6f7;
    --card:#ffffff;
    --border:#e4e6eb;
    --text:#1d2129;
    --text-2:#4e5969;
    --text-3:#86909c;
    --danger:#f53f3f;
    --success:#00b42a;
    --warning:#ff7d00;
    --radius:8px;
    --shadow:0 1px 4px rgba(29,33,41,.06);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    font-size:14px;color:var(--text);background:var(--bg);line-height:1.6;
}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hover)}
img{max-width:100%;vertical-align:middle}
code{background:#f2f3f5;border-radius:4px;padding:2px 6px;font-size:12px;color:#c02d2d}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.muted{color:var(--text-3)}
.small{font-size:12px}
.mt16{margin-top:16px}

/* ---------- 按钮 ---------- */
.btn{
    display:inline-block;padding:8px 18px;border:1px solid transparent;border-radius:6px;
    background:#fff;color:var(--text);font-size:14px;cursor:pointer;text-align:center;
    transition:all .15s;line-height:1.4;
}
.btn:hover{opacity:.9}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff}
.btn-outline{border-color:var(--primary);color:var(--primary);background:#fff}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-hover)}
.btn-ghost{background:#f2f3f5;color:var(--text)}
.btn-ghost:hover{background:#e5e6eb}
.btn-danger{background:var(--danger);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 2px 8px rgba(0,0,0,.1)}
.btn-sm{padding:4px 12px;font-size:13px;border-radius:5px}
.btn-lg{padding:12px 28px;font-size:16px;border-radius:8px}
.btn-block{display:block;width:100%;margin-top:8px}
.btn-disable{background:#e5e6eb;color:#a9aeb8;cursor:not-allowed}

/* ---------- 表单 ---------- */
.form-row{margin-bottom:14px}
.form-row label{display:block;margin-bottom:6px;color:var(--text-2);font-size:13px}
input[type=text],input[type=password],input[type=email],input[type=number],input[type=url],input[type=datetime-local],input[type=file],select,textarea{
    width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--text);background:#fff;
    transition:border-color .15s,box-shadow .15s;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,119,255,.12)}
input:disabled{background:#f2f3f5;color:var(--text-3)}
.form-select{padding:9px 12px}
.checkbox{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin:10px 0;cursor:pointer}
.checkbox input{width:auto;accent-color:var(--primary)}

/* 开关 */
.switch{position:relative;display:inline-block;width:44px;height:24px;vertical-align:middle}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:#c9cdd4;border-radius:24px;cursor:pointer;transition:.2s}
.slider:before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + .slider{background:var(--primary)}
.switch input:checked + .slider:before{transform:translateX(20px)}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:20px;box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.card-head h3{font-size:16px}
.card-title{font-size:15px;margin-bottom:14px}
.card.narrow{max-width:640px}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{background:#f7f8fa;color:var(--text-2);font-weight:500;text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
.table td{padding:11px 12px;border-bottom:1px solid #f2f3f5;vertical-align:middle}
.table tbody tr:hover{background:#fafbfc}
.table .ops{white-space:nowrap}
.table .ops .btn{margin-right:6px}

/* ---------- 徽标 ---------- */
.badge{display:inline-block;padding:2px 10px;border-radius:10px;font-size:12px;background:#f2f3f5;color:var(--text-2)}
.badge-green{background:#e8ffea;color:var(--success)}
.badge-red{background:#ffece8;color:var(--danger)}
.badge-warn{background:#fff7e8;color:var(--warning)}
.badge-gray{background:#f2f3f5;color:var(--text-3)}

/* ---------- 提示 ---------- */
.alert{padding:12px 16px;border-radius:6px;margin-bottom:12px;font-size:13px}
.alert-success{background:#e8ffea;color:#00a01d;border:1px solid #b7f4c0}
.alert-danger{background:#ffece8;color:#d03030;border:1px solid #ffcfc5}
.alert-warning{background:#fff7e8;color:#d25f00;border:1px solid #ffd88a}
.alert-primary{background:var(--primary-light);color:var(--primary);border:1px solid #c6e0ff}
.flash .container{padding-top:14px}
.flash .alert{margin-bottom:0}

/* ---------- 头像 ---------- */
.text-avatar{
    display:inline-flex;align-items:center;justify-content:center;border-radius:50%;
    background:linear-gradient(135deg,#1677ff,#4d9bff);color:#fff;font-weight:600;
}
.text-avatar.big{width:72px;height:72px;font-size:28px}
.cell-avatar{width:32px;height:32px;font-size:14px}
.cell-user{display:flex;align-items:center;gap:10px}
.avatar-dot{width:10px;height:10px;border-radius:50%;background:var(--success);display:inline-block;margin-right:6px}

/* ---------- 分页 ---------- */
.pager{margin-top:16px;display:flex;gap:6px;flex-wrap:wrap}
.pager-num{min-width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:4px;background:#fff;color:var(--text-2);font-size:13px}
.pager-num.active,.pager-num:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}

/* ---------- 颜色选择 ---------- */
.color-field{display:flex;align-items:center;gap:8px}
.color-field input[type=color]{width:48px;height:38px;border:1px solid var(--border);border-radius:6px;padding:2px;background:#fff;cursor:pointer}
.color-field input[type=text]{flex:1}
.color-dot{display:inline-block;width:16px;height:16px;border-radius:50%;border:1px solid rgba(0,0,0,.08)}

/* ---------- 头部 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px}
.logo-badge{
    width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#1677ff,#4d9bff);
    color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;
}
.logo-text{font-size:17px;font-weight:600;color:var(--text)}
.site-nav{display:flex;align-items:center;gap:16px}
.nav-link{color:var(--text-2);font-size:14px}
.nav-link:hover{color:var(--primary)}
.nav-user{color:var(--text-2);font-size:13px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--border);background:#fff;text-align:center;padding:22px 0;margin-top:40px}
.site-footer p{color:var(--text-3);font-size:13px}

/* ---------- 响应式 ---------- */
@media (max-width:768px){
    .container{padding:0 14px}
    .site-nav{gap:10px}
    .site-nav .nav-link{display:none}
    .nav-user{display:none}
    .site-header .logo-text{font-size:15px}
}