/* =========================================================
   nc_挪车码生成系统 全局样式（移动端优先）
   ========================================================= */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
:root {
  --primary: #1677ff;
  --primary-d: #0e5fd8;
  --green: #07c160;
  --orange: #ff9500;
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #1f2329;
  --muted: #8a9099;
  --line: #e8eaef;
  --radius: 14px;
  --shadow: 0 4px 16px rgba(20,40,80,.06);
}
html,body { font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; }

.wrap { max-width: 560px; margin: 0 auto; padding: 16px; }
.hidden { display: none !important; }

/* ---- 顶部导航 ---- */
.nav { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.nav-in { max-width: 560px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; }
.nav-brand { font-size: 17px; font-weight: 700; }
.nav-brand b { color: var(--primary); }
.nav-link { color: var(--muted); font-size: 14px; }

/* ---- 卡片 ---- */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card h2 { font-size: 18px; margin-bottom: 6px; }
.card p.desc { color: var(--muted); font-size: 13px; margin-bottom: 14px; }

/* ---- 按钮 ---- */
.btn { display: inline-block; border: 0; cursor: pointer; font-size: 16px; font-weight: 600; padding: 12px 20px; border-radius: 10px; text-align: center; width: 100%; transition: .15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:active { background: var(--primary-d); }
.btn-green { background: var(--green); color: #fff; }
.btn-orange { background: var(--orange); color: #fff; }
.btn-ghost { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn-sm { width: auto; padding: 8px 14px; font-size: 14px; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* ---- 表单 ---- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; color: var(--text); margin-bottom: 6px; font-weight: 500; }
.field input,.field select,.field textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 16px; background: #fff; outline: none; transition: .15s; }
.field input:focus,.field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,119,255,.12); }
.field .tip { font-size: 12px; color: var(--muted); margin-top: 5px; }

/* ---- 提示条 ---- */
.alert { padding: 12px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 14px; }
.alert-error { background: #fff1f0; color: #cf1322; border: 1px solid #ffccc7; }
.alert-ok { background: #f6ffed; color: #389e0d; border: 1px solid #b7eb8f; }
.alert-info { background: #e6f4ff; color: #0958d9; border: 1px solid #91caff; }

/* ---- 首页 hero ---- */
.hero { text-align: center; padding: 8px 0 4px; }
.hero .icon { font-size: 56px; }
.hero h1 { font-size: 24px; margin: 8px 0 4px; }
.hero p { color: var(--muted); font-size: 14px; }

/* ---- 二维码展示 ---- */
.qr-box { text-align: center; }
.qr-box img.qr { width: 240px; height: 240px; border-radius: 12px; border: 1px solid var(--line); padding: 8px; background: #fff; }
.qr-tip { color: var(--muted); font-size: 13px; margin: 10px 0; }

/* ---- 扫码落地页 ---- */
.landing { text-align: center; padding-top: 12px; }
.landing .plate { display: inline-block; background: #fff; border: 3px solid #000; border-radius: 8px; color: #000; font-weight: 800; font-size: 26px; letter-spacing: 4px; padding: 10px 18px; margin-bottom: 12px; }
.landing .phone-show { font-size: 34px; font-weight: 800; letter-spacing: 3px; margin: 8px 0; }
.landing .btn-actions { display: flex; gap: 12px; margin-top: 20px; }
.landing .btn-actions .btn { flex: 1; }
.landing .notice { color: var(--muted); font-size: 12px; margin-top: 22px; line-height: 1.8; }
.landing .brand-tag { margin-top: 30px; font-size: 12px; color: #c0c4cc; }

/* ---- 公告 ---- */
.announce { border-left: 3px solid var(--primary); padding: 4px 12px; margin-bottom: 10px; }
.announce .a-title { font-weight: 600; }
.announce .a-time { font-size: 12px; color: var(--muted); }

/* =========================================================
   后台样式
   ========================================================= */
.admin-nav { background: #001529; color: #fff; }
.admin-nav .nav-in { color: #fff; }
.admin-nav .nav-brand { color: #fff; }
.admin-nav .nav-brand b { color: #69b1ff; }
.admin-nav a { color: rgba(255,255,255,.85); }

.menu { display: flex; gap: 4px; overflow-x: auto; padding: 10px 16px; background: #001529; scrollbar-width: none; }
.menu::-webkit-scrollbar { display: none; }
.menu a { white-space: nowrap; padding: 8px 14px; border-radius: 8px; color: rgba(255,255,255,.75); font-size: 14px; }
.menu a.active,.menu a:hover { background: #1677ff; color: #fff; }

.stat-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.stat { background: var(--card); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stat .num { font-size: 26px; font-weight: 800; color: var(--primary); }
.stat .lab { color: var(--muted); font-size: 13px; }

.table-wrap { overflow-x: auto; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th,td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: #fafbfc; color: var(--muted); font-weight: 600; }

.pager { display: flex; gap: 8px; align-items: center; justify-content: center; margin: 16px 0; }
.pager a,.pager span { padding: 6px 12px; border-radius: 8px; background: var(--card); font-size: 13px; }
.pager .cur { background: var(--primary); color: #fff; }

.login-box { max-width: 360px; margin: 12vh auto; }
.login-box .card { padding: 28px; }
.login-box h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-box .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 20px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.flex { display: flex; gap: 8px; align-items: center; }
.spacer { height: 12px; }