/* ============================================================
 * 红旗粉丝家年华暨智能科技体验日 · 试乘体验预约
 * 品牌色：红旗红 #C8102E + 金色辅助
 * ============================================================ */

:root {
  --primary: #C8102E;        /* 红旗红 */
  --primary-deep: #9d0b22;   /* 深红 */
  --primary-soft: #fce6ea;   /* 浅红 */
  --accent: #d4a24c;         /* 金色 */
  --accent-soft: #faf2dd;
  --success: #2c8a4a;
  --success-soft: #e6f4ec;
  --danger: #C8102E;         /* 统一用品牌红表达"错误/危险" */
  --danger-soft: #fce6ea;
  --warning: #d97706;
  --warning-soft: #fef3c7;
  --text: #1c2331;
  --text-soft: #5a6478;
  --text-mute: #8b94a6;
  --bg: #f7f7f9;
  --surface: #ffffff;
  --border: #e7e8ee;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 6px 24px rgba(200,16,46,.08);
  --shadow-lg: 0 12px 48px rgba(200,16,46,.18);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-deep); }

/* ============== 顶部 Header ============== */
.appbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.appbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  height: 56px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.appbar-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15px; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brand-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  border-radius: 8px;
  display: grid; place-items: center;
  color: #fff; font-size: 18px; font-weight: 700;
  box-shadow: 0 2px 6px rgba(200,16,46,.3);
  flex-shrink: 0;
}
.appbar-right { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.appbar-tag {
  font-size: 12px;
  background: var(--primary-soft); color: var(--primary);
  padding: 5px 10px; border-radius: 999px; font-weight: 600;
  cursor: pointer; border: none;
  text-decoration: none; display: inline-block;
}
.appbar-tag:hover { background: var(--primary); color: #fff; }

/* ============== Banner ============== */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 60%, #6d0815 100%);
  color: #fff;
  padding: 28px 20px 90px;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: ''; position: absolute; border-radius: 50%;
}
.hero::before { width: 360px; height: 360px; right: -120px; top: -160px; background: rgba(212,162,76,.2); }
.hero::after  { width: 220px; height: 220px; right: 100px; bottom: -80px; background: rgba(255,255,255,.06); }
.hero-inner { position: relative; z-index: 1; max-width: 1080px; margin: 0 auto; }
.hero h1 {
  margin: 0 0 8px; font-size: 22px; font-weight: 700; letter-spacing: .5px;
  line-height: 1.4;
}
.hero h1 .dot { color: var(--accent); margin: 0 6px; }
.hero p { margin: 0; color: rgba(255,255,255,.82); font-size: 14px; line-height: 1.5; }

/* ============== 主内容（压在 hero 下边沿） ============== */
.main {
  max-width: 1080px;
  margin: -60px auto 40px;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

/* ============== 卡片 ============== */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
}
.card.center { text-align: center; }
.card h2 {
  margin: 0 0 16px; font-size: 17px; font-weight: 700;
  color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.card h3 { margin: 16px 0 8px; font-size: 13px; color: var(--text-soft); font-weight: 600; }

/* ============== 表单 ============== */
.field { margin-bottom: 14px; }
.field > label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-soft); margin-bottom: 6px;
}
.field > label .req { color: var(--primary); margin-left: 2px; }
.input, .select, textarea.input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  font: inherit;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(200,16,46,.12);
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .row { grid-template-columns: 1fr; } }

.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; }
.slot-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 6px;
  text-align: center;
  cursor: pointer;
  background: #fff;
  transition: all .15s;
  user-select: none;
}
.slot-card:hover { border-color: var(--primary); background: var(--primary-soft); }
.slot-card.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(200,16,46,.3);
}
.slot-card .t { font-weight: 700; font-size: 14px; }
.slot-card .c { font-size: 12px; margin-top: 2px; opacity: .85; }
.slot-card.disabled { opacity: .4; cursor: not-allowed; background: #f7f8fa; }
.slot-card.disabled:hover { border-color: var(--border); background: #f7f8fa; }

.companion-row { display: flex; gap: 8px; margin-bottom: 8px; }
.companion-row .input { flex: 1; }

.checkbox-row {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; color: var(--text-soft);
  margin: 14px 0;
  cursor: pointer;
  line-height: 1.6;
}
.checkbox-row input[type=checkbox] {
  margin-top: 3px;
  width: 16px; height: 16px;
  accent-color: var(--primary);
  flex-shrink: 0;
}
.checkbox-row a { color: var(--primary); }

/* ============== 按钮 ============== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font: inherit; font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 6px rgba(200,16,46,.25); }
.btn-primary:hover:not(:disabled) { background: var(--primary-deep); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover:not(:disabled) { background: #22753c; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #9d0b22; }
.btn-ghost { background: transparent; color: var(--text-soft); border-color: var(--border); }
.btn-ghost:hover:not(:disabled) { background: var(--bg); color: var(--text); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover:not(:disabled) { background: #b88a3d; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 24px; font-size: 16px; }
.btn-block { width: 100%; }

/* ============== Tabs（始终横向，更紧凑） ============== */
.tabs {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 4px;
  box-shadow: var(--shadow);
  display: flex; gap: 2px;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.tab {
  flex: 1;
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600; font-size: 13px;
  color: var(--text-soft);
  text-align: center;
  transition: all .15s;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tab:hover { background: var(--bg); color: var(--text); }
.tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(200,16,46,.3);
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }
@media (max-width: 600px) {
  .tab { font-size: 12px; padding: 9px 4px; }
}

/* ============== 扫码 ============== */
.scan-card {
  position: relative;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  display: grid; place-items: center;
  margin-bottom: 14px;
  border: 1px solid var(--border);
}
.scan-card video { width: 100%; height: 100%; object-fit: cover; display: block; }
.scan-card .placeholder { color: rgba(255,255,255,.5); font-size: 48px; }
.scan-frame {
  position: absolute; inset: 12%;
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 12px;
  pointer-events: none;
  transition: all .15s;
}
.scan-card.flash { box-shadow: 0 0 0 6px var(--success), 0 0 40px var(--success); transition: all .2s; }

/* ============== Toast ============== */
.toast-stack {
  position: fixed; top: 70px; left: 50%; transform: translateX(-50%);
  z-index: 100; display: flex; flex-direction: column; gap: 8px;
  width: calc(100% - 32px); max-width: 420px;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 12px 16px;
  display: flex; align-items: flex-start; gap: 10px;
  border-left: 4px solid var(--primary);
  pointer-events: auto;
  animation: toastIn .25s ease-out;
  font-size: 14px;
}
.toast.success { border-left-color: var(--success); background: var(--success-soft); }
.toast.danger  { border-left-color: var(--primary); background: var(--danger-soft); }
.toast.warning { border-left-color: var(--warning); background: var(--warning-soft); }
.toast .ico { font-size: 18px; line-height: 1; }
.toast .body { flex: 1; }
.toast .title { font-weight: 700; margin-bottom: 2px; }
.toast .sub { font-size: 12px; color: var(--text-soft); }
@keyframes toastIn { from { transform: translateY(-20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes toastOut { to { transform: translateY(-20px); opacity: 0; } }

/* ============== Alert（重要提示，重写版） ============== */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  display: flex; gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.6;
  margin: 12px 0;
  border: 1px solid;
}
.alert .ico { font-size: 22px; line-height: 1; flex-shrink: 0; margin-top: 1px; }
.alert .body { flex: 1; min-width: 0; }
.alert .body .title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.alert .body .desc { color: inherit; }
.alert .body .hl {
  background: var(--primary);
  color: #fff;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
  display: inline-block;
  white-space: nowrap;
}
.alert.warning { background: var(--warning-soft); border-color: #f5cf6e; color: #6b3a05; }
.alert.warning .hl { background: var(--warning); color: #fff; }
.alert.danger  { background: var(--danger-soft); border-color: #f5b8c1; color: var(--primary-deep); }
.alert.danger .hl  { background: var(--primary); color: #fff; }
.alert.success { background: var(--success-soft); border-color: #b6e0c4; color: #1c5a31; }
.alert.info    { background: var(--primary-soft); border-color: #f5b8c1; color: var(--primary-deep); }
.alert.info .hl { background: var(--primary); color: #fff; }

/* ============== 信息块 ============== */
.info-box {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 12px 0;
}
.info-box dl { margin: 0; display: grid; grid-template-columns: 90px 1fr; gap: 8px 12px; font-size: 14px; }
.info-box dt { color: var(--text-soft); }
.info-box dd { margin: 0; color: var(--text); font-weight: 500; word-break: break-all; }
@media (max-width: 480px) { .info-box dl { grid-template-columns: 80px 1fr; } }

/* ============== 二维码 ============== */
.qr-wrap {
  display: flex; flex-direction: column; align-items: center;
  background: #fff; padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 12px 0;
}
.qr-wrap img, .qr-wrap canvas { display: block; image-rendering: pixelated; }
.qr-caption { margin-top: 8px; font-size: 12px; color: var(--text-soft); }

/* ============== 表格 ============== */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td {
  padding: 10px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.table tr:hover td { background: rgba(200,16,46,.02); }
.table .nowrap { white-space: nowrap; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--primary-soft);
  color: var(--primary);
}
.badge.success { background: var(--success-soft); color: var(--success); }
.badge.danger  { background: var(--danger-soft);  color: var(--primary-deep); }
.badge.warning { background: var(--warning-soft); color: var(--warning); }
.badge.muted   { background: var(--bg); color: var(--text-mute); }

.shortcode {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* ============== 看板 ============== */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.stat-card .l { font-size: 12px; color: var(--text-soft); }
.stat-card .v { font-size: 22px; font-weight: 700; color: var(--text); margin-top: 4px; }
.stat-card .s { font-size: 12px; color: var(--text-mute); margin-top: 2px; }

.progress { background: var(--bg); border-radius: 999px; height: 8px; overflow: hidden; margin-top: 6px; }
.progress > i { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 999px; }

/* ============== 工具 ============== */
.muted { color: var(--text-mute); }
.center { text-align: center; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.empty { padding: 40px 20px; text-align: center; color: var(--text-mute); }
.empty .ico { font-size: 48px; opacity: .4; margin-bottom: 8px; }