/* 小蓝书 · 推广员活动站 —— 飞书/腾讯协作风格 */
:root {
  --primary: #3370ff;
  --primary-hover: #2b5fd9;
  --primary-soft: #eaf1ff;
  --bg: #f5f6f7;
  --card: #ffffff;
  --text: #1f2329;
  --text-2: #646a73;
  --text-3: #8f959e;
  --border: #e5e6eb;
  --success: #00b578;
  --warning: #ff8800;
  --danger: #f54a45;
  --gold: #ff9f1c;
  --radius: 12px;
  --shadow: 0 1px 4px rgba(31, 35, 41, 0.06);
  --shadow-lg: 0 8px 28px rgba(31, 35, 41, 0.10);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}
a { color: var(--primary); text-decoration: none; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; }
.brand-logo {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, #3370ff, #00c2ff);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; letter-spacing: -.5px;
}
.nav-links { display: flex; gap: 4px; margin-left: 40px; flex: 1; }
.nav-links a {
  color: var(--text-2); padding: 6px 14px; border-radius: 8px;
  font-size: 14px; transition: all .18s;
}
.nav-links a:hover { background: var(--primary-soft); color: var(--primary); }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-cta {
  background: var(--primary); color: #fff !important; padding: 7px 18px !important;
  border-radius: 8px; font-weight: 600;
}
.nav-cta:hover { background: var(--primary-hover) !important; color: #fff !important; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 340px at 85% -10%, rgba(0,194,255,.18), transparent 60%),
    radial-gradient(700px 300px at 10% 110%, rgba(51,112,255,.12), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
  border-bottom: 1px solid var(--border);
  padding: 72px 0 64px;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-soft); color: var(--primary);
  font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 20px;
}
.hero h1 { font-size: 40px; font-weight: 800; letter-spacing: -.5px; margin: 16px 0 10px; }
.hero h1 .grad {
  background: linear-gradient(90deg, #3370ff, #00c2ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.sub { color: var(--text-2); font-size: 17px; max-width: 640px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.meta-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  padding: 8px 16px; border-radius: 10px; font-size: 14px; color: var(--text-2);
  box-shadow: var(--shadow);
}
.meta-chip b { color: var(--text); font-weight: 600; }
.meta-chip svg { flex: none; }

/* 倒计时 */
.countdown-wrap { margin-top: 34px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.countdown-label { color: var(--text-2); font-size: 14px; }
.countdown { display: flex; gap: 10px; }
.cd-cell {
  min-width: 64px; text-align: center; background: var(--card);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 8px;
  box-shadow: var(--shadow);
}
.cd-num { font-size: 26px; font-weight: 800; color: var(--primary); font-variant-numeric: tabular-nums; }
.cd-unit { font-size: 12px; color: var(--text-3); }

/* ---------- 通用卡片与区块 ---------- */
.section { padding: 56px 0; }
.section-head { margin-bottom: 30px; }
.section-head .kicker {
  color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: 2px;
}
.section-head h2 { font-size: 26px; font-weight: 700; margin-top: 6px; }
.section-head p { color: var(--text-2); margin-top: 6px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

/* 数据速览 */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { padding: 22px; }
.stat-card .num { font-size: 30px; font-weight: 800; color: var(--primary); }
.stat-card .num small { font-size: 14px; font-weight: 600; color: var(--text-3); margin-left: 2px; }
.stat-card .label { color: var(--text-2); font-size: 14px; margin-top: 4px; }

/* 规则卡片 */
.rule-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.rule-card { padding: 26px; }
.rule-card .icon {
  width: 40px; height: 40px; border-radius: 10px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.rule-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.rule-card ul { list-style: none; }
.rule-card li { position: relative; padding-left: 18px; color: var(--text-2); margin-bottom: 8px; font-size: 14px; }
.rule-card li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--primary);
}
.rule-card li b { color: var(--text); }
.notice-card { border-left: 3px solid var(--warning); }

/* 奖品 */
.prize-top { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }
.prize-card { padding: 26px; text-align: center; position: relative; overflow: hidden; }
.prize-card .medal {
  width: 52px; height: 52px; border-radius: 50%; margin: 0 auto 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: #fff;
}
.medal.g1 { background: linear-gradient(135deg, #ffc53d, #ff9f1c); }
.medal.g2 { background: linear-gradient(135deg, #c0c8d4, #8f959e); }
.medal.g3 { background: linear-gradient(135deg, #e8a87c, #cd8f5a); }
.prize-card h3 { font-size: 17px; font-weight: 700; }
.prize-card .value { color: var(--danger); font-weight: 800; font-size: 22px; margin: 6px 0 2px; }
.prize-card .min { color: var(--text-3); font-size: 13px; }
.prize-card.first { border-color: #ffd591; background: linear-gradient(180deg, #fffaf0, #ffffff 60%); }

.pool-table-wrap { overflow-x: auto; }
table.data {
  width: 100%; border-collapse: collapse; background: var(--card);
  border-radius: var(--radius); overflow: hidden; font-size: 14px;
}
table.data th, table.data td { padding: 13px 18px; text-align: left; }
table.data thead th {
  background: #fafbfc; color: var(--text-2); font-weight: 600;
  border-bottom: 1px solid var(--border); font-size: 13px;
}
table.data tbody tr { border-bottom: 1px solid #f2f3f5; transition: background .15s; }
table.data tbody tr:hover { background: #f7faff; }
table.data tbody tr:last-child { border-bottom: none; }
.tag {
  display: inline-block; padding: 2px 10px; border-radius: 6px;
  font-size: 12px; font-weight: 600;
}
.tag-blue { background: var(--primary-soft); color: var(--primary); }
.tag-gold { background: #fff4e0; color: #d46b08; }
.tag-gray { background: #f2f3f5; color: var(--text-2); }
.tag-green { background: #e8f7f2; color: var(--success); }

/* 时间线 */
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 2px; background: var(--border);
}
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -26px; top: 6px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; border: 3px solid var(--primary);
}
.tl-item.done .tl-dot { background: var(--primary); }
.tl-time { font-size: 13px; color: var(--primary); font-weight: 700; }
.tl-item h4 { font-size: 15px; font-weight: 700; margin: 2px 0; }
.tl-item p { color: var(--text-2); font-size: 14px; }

/* ---------- 排行榜 ---------- */
.lb-hero {
  background: linear-gradient(135deg, #3370ff 0%, #00c2ff 100%);
  color: #fff; padding: 52px 0 44px;
}
.lb-hero h1 { font-size: 30px; font-weight: 800; }
.lb-hero p { opacity: .9; margin-top: 6px; }
.podium { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: -34px; }
.podium-card { padding: 26px 22px; text-align: center; }
.podium-card .rk { font-size: 13px; font-weight: 700; }
.podium-card.p1 .rk { color: var(--gold); }
.podium-card.p2 .rk { color: #8f959e; }
.podium-card.p3 .rk { color: #cd8f5a; }
.podium-card .name { font-size: 18px; font-weight: 700; margin-top: 6px; }
.podium-card .orders { font-size: 32px; font-weight: 800; color: var(--primary); margin-top: 4px; }
.podium-card .orders small { font-size: 13px; color: var(--text-3); font-weight: 400; }

/* ---------- 抽奖 ---------- */
.draw-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; align-items: start; }
.login-card { padding: 30px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; font-weight: 600; }
.field input {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 15px; outline: none; transition: border .15s, box-shadow .15s;
  background: #fafbfc;
}
.field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(51,112,255,.12); background: #fff; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; font-size: 15px; font-weight: 600;
  padding: 11px 22px; border-radius: 8px; transition: all .18s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { background: #a8c1f5; cursor: not-allowed; }
.btn-ghost { background: var(--primary-soft); color: var(--primary); }
.btn-ghost:hover { background: #dbe7ff; }
.btn-block { width: 100%; }

.user-panel { padding: 26px; }
.up-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 14px; }
.up-row:last-child { border-bottom: none; }
.up-row span { color: var(--text-2); }
.up-row b { font-weight: 700; }
.up-row b.hl { color: var(--primary); font-size: 17px; }

.draw-stage { text-align: center; padding: 34px 26px; }
.chances-big { font-size: 52px; font-weight: 800; color: var(--primary); line-height: 1.1; }
.chances-big small { font-size: 15px; color: var(--text-3); font-weight: 400; }
.guarantee-bar {
  height: 8px; background: #eef0f3; border-radius: 4px; overflow: hidden; margin: 14px auto 6px; max-width: 260px;
}
.guarantee-fill { height: 100%; background: linear-gradient(90deg, #3370ff, #00c2ff); border-radius: 4px; transition: width .4s; }
.guarantee-tip { font-size: 12px; color: var(--text-3); }

/* 开奖结果弹层 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(31,35,41,.5); z-index: 200;
  display: none; align-items: center; justify-content: center;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 16px; padding: 40px 36px; width: 380px; max-width: 90vw;
  text-align: center; box-shadow: var(--shadow-lg); animation: pop .35s cubic-bezier(.2,.9,.3,1.4);
}
@keyframes pop { from { transform: scale(.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal .m-icon { font-size: 52px; }
.modal h3 { font-size: 20px; margin: 12px 0 6px; }
.modal .prize-name { color: var(--primary); font-weight: 800; font-size: 22px; }
.modal p { color: var(--text-2); font-size: 14px; margin-top: 8px; }

/* 中奖公示 */
.record-list { display: grid; gap: 10px; }
.record-item {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 13px 18px; font-size: 14px;
}
.record-item .who { font-weight: 600; }
.record-item .what { color: var(--primary); font-weight: 600; }
.record-item .when { color: var(--text-3); font-size: 12px; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--border); background: #fff; padding: 32px 0; margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--text-3); font-size: 13px; }

.empty-tip { text-align: center; color: var(--text-3); padding: 40px 0; }

/* ---------- 实物图 ---------- */
.pool-img { width: 56px; height: 56px; object-fit: contain; display: block; }
.prize-img { width: 120px; height: 120px; object-fit: contain; display: block; margin: 0 auto 8px; }
.m-prize-img { width: 150px; height: 150px; object-fit: contain; margin: 0 auto; display: block; }

/* ---------- 中奖登记表单 ---------- */
.addr-form { text-align: left; margin-top: 18px; border-top: 1px dashed var(--border); padding-top: 16px; }
.addr-title { font-size: 14px; font-weight: 700; margin-bottom: 12px; }
.addr-form .field { margin-bottom: 12px; }
.addr-form textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; outline: none; resize: vertical; font-family: inherit; background: #fafbfc;
  transition: border .15s, box-shadow .15s;
}
.addr-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(51,112,255,.12); background: #fff; }
.req { color: var(--danger); font-style: normal; }
.addr-tip { font-size: 12px; color: var(--text-3); margin-bottom: 12px; text-align: center; }

/* ---------- 管理后台 ---------- */
.admin-hero { background: linear-gradient(135deg, #1f2329 0%, #3370ff 130%); color: #fff; padding: 40px 0 36px; }
.admin-hero h1 { font-size: 26px; font-weight: 800; }
.admin-hero p { opacity: .85; margin-top: 4px; font-size: 14px; }
.admin-grid { display: grid; grid-template-columns: 340px 1fr; gap: 20px; align-items: start; }
.admin-card { padding: 24px; }
.admin-card h3 { font-size: 16px; margin-bottom: 14px; }
.admin-stat-row { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.admin-stat {
  flex: 1; min-width: 140px; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 18px; box-shadow: var(--shadow);
}
.admin-stat .n { font-size: 22px; font-weight: 800; color: var(--primary); }
.admin-stat .t { font-size: 12px; color: var(--text-2); }
textarea.batch {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; outline: none; resize: vertical; font-family: inherit; background: #fafbfc;
}
textarea.batch:focus { border-color: var(--primary); background: #fff; }
.admin-table td .mini-btn {
  border: none; cursor: pointer; font-size: 12px; padding: 4px 10px; border-radius: 6px; margin-right: 6px;
}
.mini-btn-save { background: var(--primary-soft); color: var(--primary); }
.mini-btn-del { background: #fdecec; color: var(--danger); }
.admin-input { width: 100%; min-width: 0; padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; outline: none; background: #fafbfc; }
.admin-input:focus { border-color: var(--primary); background: #fff; }

@media (max-width: 860px) {
  .admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .stat-grid, .rule-grid, .prize-top, .podium, .draw-layout { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero h1 { font-size: 30px; }
}

/* ===== 单页多标签（活动介绍 / 排行榜 / 抽奖券 / 管理后台） ===== */
.tab-page { display: none; }
.tab-page.active { display: block; animation: tabIn 0.25s ease; }
@keyframes tabIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 分销记录上传 ===== */
.file-upload-box {
  border: 1.5px dashed var(--border);
  border-radius: 10px;
  padding: 22px 16px;
  text-align: center;
  color: var(--text-2);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  background: var(--bg);
}
.file-upload-box:hover, .file-upload-box.drag {
  border-color: var(--primary);
  color: var(--primary);
  background: #f0f5ff;
}
.upload-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-2);
  margin-top: 10px;
  cursor: pointer;
}
.upload-ok {
  font-size: 13px;
  color: var(--success);
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 8px 12px;
}
.upload-warn {
  font-size: 12px;
  color: #b45309;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 8px 12px;
  margin-top: 6px;
}
.last-upload { font-size: 12px; color: var(--text-3); margin-top: 10px; }

/* ===== 手机端适配 ===== */
.mobile-tabbar { display: none; }

@media (max-width: 860px) {
  /* 顶部导航只留品牌，切换走底部标签栏 */
  .nav-links { display: none; }

  /* 底部标签栏（类 App 样式） */
  .mobile-tabbar {
    display: flex;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 150;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
  }
  .mobile-tabbar a {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    color: var(--text-3); font-size: 11px; line-height: 1.2;
    padding: 4px 0; border-radius: 10px;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-tabbar a svg { width: 22px; height: 22px; }
  .mobile-tabbar a.active { color: var(--primary); font-weight: 600; }
  body { padding-bottom: 62px; } /* 给底部栏留空间 */

  /* Hero 收紧 */
  .hero { padding: 44px 0 40px; }
  .hero h1 { font-size: 28px; }
  .hero p.sub { font-size: 15px; }
  .hero-meta { gap: 8px; margin-top: 18px; }
  .meta-chip { padding: 7px 12px; font-size: 13px; }
  .countdown-wrap { margin-top: 24px; gap: 12px; }
  .cd-cell { min-width: 54px; padding: 8px 6px; }
  .cd-num { font-size: 21px; }

  /* 区块与卡片 */
  .section { padding: 36px 0; }
  .section-head h2 { font-size: 21px; }
  .rule-card { padding: 18px 16px; }
  .rule-card li { font-size: 13px; }
  .stat-card { padding: 16px; }
  .stat-card .num { font-size: 24px; }
  .prize-card { padding: 20px 16px; }
  .prize-img { width: 96px; height: 96px; }

  /* 排行榜 / 抽奖券 */
  .lb-hero { padding: 36px 0 32px; }
  .lb-hero h1 { font-size: 23px; }
  .podium-card { padding: 18px 12px; }
  .podium-card .name { font-size: 16px; }
  .podium-card .orders { font-size: 26px; }
  .login-card { padding: 22px 18px; }
  .user-panel { padding: 20px 16px; }
  .draw-stage { padding: 26px 16px; }
  .chances-big { font-size: 40px; }

  /* 管理后台 */
  .admin-hero { padding: 30px 0 26px; }
  .admin-hero h1 { font-size: 21px; }
  .admin-card { padding: 18px 16px; }
  .admin-stat { min-width: calc(50% - 6px); }

  /* 表格：小屏字号收紧，超宽列横向滚动 */
  table.data { font-size: 13px; }
  table.data th, table.data td { padding: 10px 12px; }
  .pool-img { width: 44px; height: 44px; }

  /* 中奖公示 */
  .record-item { flex-wrap: wrap; gap: 2px 10px; padding: 11px 14px; }
  .record-item .when { width: 100%; }

  /* 弹窗 */
  .modal { padding: 28px 20px; width: 92vw; max-height: 86vh; overflow-y: auto; }
  .m-prize-img { width: 120px; height: 120px; }

  /* iOS 聚焦时输入框不放大 */
  .field input, .addr-form textarea, textarea.batch { font-size: 16px; }

  /* 桌面滚动条隐藏横向表不必改造 */
  .container { padding: 0 16px; }
}

@media (max-width: 380px) {
  .stat-grid { gap: 10px; }
  .stat-card .num { font-size: 20px; }
  .cd-cell { min-width: 46px; }
}

@media (max-width: 860px) {
  /* 数据速览小屏改两列，避免竖排过长 */
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}