/* 走势表隐藏组合列后重算列宽，避免在小屏留白 */
  .trend-table th, .trend-table td{width:auto}
*{box-sizing:border-box}
/* 设计令牌（默认：浅色高对比） */
:root{
  --bg:#f7f9fc;/* 页面背景 */
  --surface:#ffffff;/* 卡片/表格底色 */
  --surface-2:#fbfdff;/* 次级底色 */
  --text:#0b1326;/* 主文本 */
  --text-muted:#667085;/* 次文本 */
  --border:#e6e8f0;/* 描边 */
  --primary:#3b82f6;/* 品牌主色 */
  --primary-ink:#1d4ed8;
  --accent:#ff8c1a;/* 强调 */
  --ok:#16a34a;--warn:#ca8a04;--danger:#dc2626;
  --radius:10px;--radius-sm:8px;--radius-lg:14px;
  --shadow:0 4px 18px rgba(15,23,42,.06),0 1px 0 rgba(255,255,255,.6) inset;
  --shadow-soft:0 2px 10px rgba(15,23,42,.05);
  --container:1140px;
  --badge-blue-bg:#edf5ff;--badge-blue:#2f6fe3;
  --badge-orange-bg:#fff6eb;--badge-orange:#e26a00;
  --badge-green-bg:#eaf8f1;--badge-green:#218c55;
  --badge-purple-bg:#f5ecff;--badge-purple:#6a1b9a;
}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
html,body{max-width:100%;overflow-x:hidden}
.container{max-width:var(--container);margin:0 auto;padding:0 16px}
.site-header{background:#ffffff;border-bottom:1px solid var(--border)}
.site-header .logo{margin:0;text-align:center}
.site-header .logo a{color:#0b1326;text-decoration:none;display:inline-block;letter-spacing:.5px;font-weight:700}
.nav{display:flex;gap:8px;flex-wrap:nowrap;justify-content:space-between;overflow-x:auto}
.nav a{color:#475569;text-decoration:none;padding:14px 10px;display:inline-block;border-radius:8px;flex:1 1 0;text-align:center;white-space:nowrap}
.nav a:hover{color:var(--primary);background:rgba(59,130,246,.08)}
.muted{color:var(--text-muted);font-size:12px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin:16px 0;box-shadow:var(--shadow)}
.grid{display:grid;gap:16px}
@media(min-width:768px){.grid-3{grid-template-columns:1fr 1fr 1fr}}
table{width:100%;border-collapse:separate;border-spacing:0;background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
th,td{padding:12px 10px;border-bottom:1px solid var(--border);text-align:center}
thead th{background:#f6f8ff;color:#334155}
.table-hover tbody tr:hover{background:rgba(59,130,246,.06)}
/* 走势列表移动端隐藏组合列 */
@media (max-width: 640px){
  .trend-table th:nth-child(7),
  .trend-table td:nth-child(7),
  .trend-table th:nth-child(8),
  .trend-table td:nth-child(8),
  .trend-table th:nth-child(9),
  .trend-table td:nth-child(9),
  .trend-table th:nth-child(10),
  .trend-table td:nth-child(10){display:none}
}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px}
.b-small{background:var(--badge-blue-bg);color:var(--badge-blue)}
.b-big{background:var(--badge-orange-bg);color:var(--badge-orange)}
.b-odd{background:var(--badge-green-bg);color:var(--badge-green)}
.b-even{background:var(--badge-purple-bg);color:var(--badge-purple)}
.source-switch{display:flex;flex-wrap:wrap;gap:8px}
.source-switch a{background:#182042;border:1px solid #273062;color:#c1c7e3;padding:8px 12px;border-radius:8px;text-decoration:none}
.source-switch a.active{background:#22306a;color:#fff}
.site-footer{padding:28px 0;color:var(--text-muted);border-top:1px solid var(--border);background:linear-gradient(180deg,#0b1220,#0b1220)}
.tabs{display:flex;gap:8px;margin-bottom:12px}
.tabs button{background:#f5f7fb;color:#334155;border:1px solid var(--border);border-radius:8px;padding:8px 12px;cursor:pointer;transition:all .15s ease}
.tabs button.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 6px 14px rgba(59,107,240,.20)}
.tabs .tab-link{background:#f5f7fb;color:#334155;border:1px solid var(--border);border-radius:8px;padding:8px 12px;display:inline-block;text-decoration:none;transition:all .15s ease}
.tabs .tab-link:hover{color:#1d4ed8;background:#eaf2ff;border-color:#bcd6ff}

/* 蓝色分组头（结果/走势/统计/预测） */
.group-tabs{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;border-radius:10px;overflow:hidden;margin:12px 0 8px 0;border:1px solid var(--border)}
.group-tabs a{display:block;text-align:center;background:#f1f5ff;color:#1e293b;padding:12px 8px;text-decoration:none;border-right:1px solid var(--border)}
.group-tabs a:last-child{border-right:none}
.group-tabs a.active{background:#e2ecff;color:#1d4ed8}

/* 统计表 */
.stats-table{width:100%;border:1px solid var(--border);border-collapse:separate;border-spacing:0;margin-top:8px;background:#ffffff;border-radius:var(--radius);overflow:hidden}
.stats-table th,.stats-table td{border-bottom:1px solid var(--border);padding:12px}
.stats-table tr:nth-child(even){background:#fafbff}
.stats-pair th{background:#f6f8ff;color:#334155}
.miss-badge{display:inline-block;background:#f1f5f9;color:#0f172a;border:1px solid var(--border);border-radius:999px;padding:2px 10px;font-size:12px}
.miss-badge.warn{color:#e11d48;border-color:#ffd1d9;background:#fff5f7}
.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cols-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.table-compact th,.table-compact td{padding:8px}
.num-badge{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#eaf2ff;color:#1d4ed8;font-weight:700}
.page-title{margin:8px 0 12px 0;font-size:22px;letter-spacing:.2px}
/* 移动端隐藏大标题，节省首屏空间 */
@media (max-width: 640px){
  .page-title{display:none}
}

/* 预测结果勾叉 */
.ok{color:#ff6b6b;font-weight:700}
.fail{color:#8ab4ff;font-weight:700}
.pred{color:#e11d48;font-weight:700}
.pred-part{color:#334155;font-weight:700;margin:0 2px}
.pred-part.hit{color:#e11d48}

/* 预测页分组表头 */
.thead-group th{background:linear-gradient(180deg,#4f7df6,#3b6bf0);color:#fff;border-bottom:0;padding:12px;font-weight:700}
.muted{color:var(--text-muted);font-size:12px}

/* 移动端优化 */
@media (max-width: 640px){
  .container{padding:0 12px}
  /* 导航在移动端始终单行等宽铺满，不垂直排列，无水平溢出 */
  .nav{display:flex;gap:6px;flex-wrap:nowrap;justify-content:space-between;overflow-x:visible}
  .nav a{flex:1 1 0;min-width:0;display:inline-block;text-align:center;padding:10px 6px;font-size:clamp(12px,3.5vw,14px)}
  .topbar{padding:8px}
  /* 顶部信息区：两列网格，元素更规整 */
  .topbar-row{display:grid;grid-template-columns:auto auto;justify-content:center;justify-items:center;align-items:center;gap:8px}
  .topbar .brand{grid-column:1/-1}
  .topbar .latest{grid-column:1/-1;text-align:center}
  .topbar .period-select{grid-column:auto}
  .topbar .cd{grid-column:auto;justify-self:center;white-space:nowrap}
  .topbar .eq{grid-column:1/-1;justify-content:center}
  .topbar .period-select select{height:32px;padding:0 8px}
  .topbar .period-select .btn{padding:6px 10px;font-size:14px}
  .eq{gap:6px}
  .cd .box{min-width:30px;padding:6px 8px}
  .numbox{min-width:22px;padding:4px 8px}
  .badge-round{width:28px;height:28px;font-size:12px}
  .card{padding:12px}
  table{font-size:14px;table-layout:fixed;width:100%}
  th,td{padding:8px;word-break:keep-all;white-space:nowrap}
  /* 结果/走势表在小屏铺满容器，不滚动 */
  .result-table,.trend-table{display:table;width:100%;overflow-x:visible}
  /* 移动端隐藏结果表中日期，只保留时分秒 */
  .result-table .date-part{display:none}
  /* 统计页三表栈叠显示，列标题居中，分块留白 */
  .cols-3{grid-template-columns:1fr;gap:12px}
  .stats-table th,.stats-table td{padding:10px}
  .tabs{gap:6px;flex-wrap:wrap;justify-content:center}
  .tabs button,.tabs .tab-link{padding:8px 10px}
  .page-title{font-size:20px;margin:10px 0}
  /* 分组四栏在小屏改为二栏，避免横向滚动 */
  .group-tabs{grid-template-columns:1fr 1fr}
}

/* 顶部条复刻样式 */
.topbar{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);margin:16px 0;padding:12px;box-shadow:var(--shadow-soft)}
.topbar-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.topbar .brand{display:flex;align-items:center;gap:8px;color:var(--accent)}
.topbar .brand .badge-icon{width:40px;height:40px;border-radius:50%;background:#ffefe0;color:#e36b2c;display:flex;align-items:center;justify-content:center;font-weight:700}
.topbar .latest{color:#55607a}
.topbar .period-select{display:flex;align-items:center;gap:6px}
.btn{border:none;background:linear-gradient(180deg,#ff9742,#ff8c1a);color:#fff;border-radius:999px;padding:8px 14px;cursor:pointer;box-shadow:0 8px 18px rgba(255,140,26,.25)}
.btn:active{transform:translateY(1px)}
.cd{display:flex;align-items:center;gap:6px;color:#64748b}
.cd .box{background:var(--accent);color:#fff;border-radius:4px;padding:8px 10px;min-width:36px;text-align:center;font-weight:700}
.eq{display:flex;align-items:center;gap:8px}
.numbox{background:#f5f7fa;color:#333;border-radius:8px;padding:6px 10px;min-width:24px;text-align:center;font-weight:700;border:1px solid var(--border)}
.eq .sum{background:var(--accent);color:#fff;border:none}
.badges{display:flex;align-items:center;gap:8px;margin-left:8px}
.badge-round{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;color:#fff}
.bg-green{background:var(--ok)}
.bg-lime{background:var(--warn)}

/* 弹层 */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000}
.modal .dialog{background:#fff;border-radius:12px;max-width:420px;width:90%;padding:16px;text-align:center;box-shadow:var(--shadow)}
.modal .dialog h3{margin:8px 0 12px 0;color:#d14b3b}
.modal .dialog p{color:#333}
.modal .dialog .actions{margin-top:12px}
.modal .dialog .actions .btn{background:#ff8c1a}

/* 暗色模式适配（系统为深色时） */
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220;--surface:#11182a;--surface-2:#0f1628;--text:#e6ebff;--text-muted:#9aa4c7;--border:#1e2945;
    --primary:#5b8cff;--primary-ink:#0d1a3a;--accent:#ffb24d;
    --badge-blue-bg:#0e1a36;--badge-blue:#82a7ff;--badge-orange-bg:#2a1905;--badge-orange:#ffb771;--badge-green-bg:#0c1f1a;--badge-green:#6ee7b7;--badge-purple-bg:#1a1330;--badge-purple:#c4a3ff;
    --shadow:0 6px 24px rgba(15,23,42,.28),0 1px 0 rgba(255,255,255,.02) inset;
  }
  .site-header{background:linear-gradient(180deg,rgba(19,27,49,.85),rgba(19,27,49,.6))}
  .nav a{color:#b7c2e9}
  .tabs .tab-link{color:#cfe0ff}
}