/* ===== 内蒙古单招题库 - 全站样式 ===== */
:root {
  --primary: #c0392b;
  --primary-dark: #922b21;
  --secondary: #e74c3c;
  --accent: #ffd200;
  --text: #303133;
  --text-light: #909399;
  --bg-gray: #f5f6fa;
  --border: #e8ecf1;
  --success: #67c23a;
  --danger: #e74c3c;
  --warning: #e6a23c;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif; color:var(--text); background:#fff; font-size:14px; line-height:1.7; }
a { color:var(--secondary); text-decoration:none; }
a:hover { color:var(--primary); }
img { max-width:100%; }
.container { max-width:1200px; margin:0 auto; padding:0 16px; }
.btn { display:inline-block; padding:9px 22px; border-radius:6px; font-size:14px; border:none; cursor:pointer; transition:all .2s; }
.btn-sm { padding:5px 14px; font-size:13px; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); color:#fff; }
.btn-accent { background:var(--accent); color:var(--primary-dark); font-weight:700; }
.btn-outline { border:1px solid var(--primary); color:var(--primary); background:transparent; }
.btn-outline:hover { background:var(--primary); color:#fff; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-lg { padding:12px 34px; font-size:16px; }

/* ===== 顶部导航 ===== */
.site-header { background:linear-gradient(135deg,var(--primary-dark),var(--primary)); color:#fff; position:sticky; top:0; z-index:100; box-shadow:0 2px 8px rgba(0,0,0,.15); }
.header-inner { display:flex; align-items:center; gap:28px; height:60px; }
.logo { display:flex; align-items:center; gap:8px; color:#fff; }
.logo-icon { font-size:26px; }
.logo-text { font-size:19px; font-weight:800; color:#fff; }
.logo-text small { display:block; font-size:10px; font-weight:400; color:rgba(255,255,255,.65); letter-spacing:1px; }
.main-nav { display:flex; gap:4px; flex:1; }
.main-nav a { color:rgba(255,255,255,.88); padding:7px 14px; border-radius:5px; font-size:14px; }
.main-nav a:hover { color:#fff; background:rgba(255,255,255,.12); }
.main-nav a.active { color:var(--primary-dark); background:var(--accent); font-weight:700; }
.header-user { display:flex; align-items:center; gap:10px; }
.user-link { color:#fff; font-size:14px; }
.mobile-nav { display:none; background:#fff; border-bottom:1px solid var(--border); padding:8px 8px; gap:4px; overflow-x:auto; position:sticky; top:60px; z-index:99; }
.mobile-nav a { white-space:nowrap; padding:6px 12px; border-radius:16px; font-size:13px; color:var(--text); }
.mobile-nav a.active { background:var(--primary); color:#fff; }

/* ===== 页首横幅 ===== */
.page-banner { background:linear-gradient(135deg,var(--primary-dark),var(--primary)); color:#fff; padding:34px 0 30px; }
.page-banner h1 { font-size:26px; margin-bottom:8px; }
.page-banner p { font-size:14px; opacity:.9; }
.breadcrumb { font-size:12px; color:rgba(255,255,255,.75); margin-top:10px; }
.breadcrumb a { color:rgba(255,255,255,.9); }
.breadcrumb a:hover { color:var(--accent); }

/* ===== 区块标题 ===== */
.section-title { display:flex; align-items:baseline; gap:12px; margin:0 0 18px; }
.section-title h3 { font-size:20px; color:var(--primary); }
.section-title p { color:var(--text-light); font-size:13px; }
.title-bar { flex:1; height:2px; background:linear-gradient(90deg,var(--secondary),transparent); }

/* ===== 卡片 ===== */
.card { background:#fff; border:1px solid var(--border); border-radius:10px; padding:18px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
@media (max-width:768px) { .grid-3 { grid-template-columns:1fr; } .grid-2 { grid-template-columns:1fr; } }

/* ===== 题库卡片 ===== */
.bank-card { background:#fff; border:1px solid var(--border); border-radius:10px; padding:18px; display:block; transition:all .2s; position:relative; overflow:hidden; }
.bank-card::after { content:''; position:absolute; top:0; left:0; width:4px; height:100%; background:linear-gradient(180deg,var(--primary),var(--secondary)); }
.bank-card:hover { box-shadow:0 4px 16px rgba(192,57,43,.12); transform:translateY(-2px); border-color:#f0c9c4; }
.bank-card h4 { font-size:16px; color:var(--text); margin-bottom:6px; }
.bank-card p { font-size:13px; color:var(--text-light); margin-bottom:10px; min-height:40px; }
.bank-meta { display:flex; align-items:center; gap:10px; font-size:12px; color:var(--text-light); }
.bank-meta .tag { background:#fdecea; color:var(--secondary); padding:2px 8px; border-radius:4px; font-size:11px; }
.bank-meta .count { color:var(--danger); font-weight:700; }

/* ===== 练习区 ===== */
.practice-wrap { max-width:860px; margin:0 auto; }
.practice-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; flex-wrap:wrap; gap:8px; }
.practice-progress { font-size:13px; color:var(--text-light); }
.practice-progress b { color:var(--primary); font-size:16px; }
.question-card { background:#fff; border:1px solid var(--border); border-radius:12px; padding:24px; box-shadow:0 2px 10px rgba(0,0,0,.04); }
.q-stem { font-size:16px; font-weight:600; margin-bottom:18px; line-height:1.8; }
.q-kp { display:inline-block; background:#fdf6ec; color:var(--warning); font-size:11px; padding:2px 8px; border-radius:4px; margin-left:8px; font-weight:400; }
.option-list { display:flex; flex-direction:column; gap:10px; }
.option-item { border:1px solid var(--border); border-radius:8px; padding:12px 16px; cursor:pointer; transition:all .15s; font-size:15px; }
.option-item:hover { border-color:var(--secondary); background:#fdf0ee; }
.option-item.selected { border-color:var(--primary); background:#fbe4e1; font-weight:600; }
.option-item.correct { border-color:var(--success); background:#f0f9eb; }
.option-item.wrong { border-color:var(--danger); background:#fef0f0; }
.option-letter { display:inline-block; width:24px; height:24px; line-height:24px; text-align:center; background:var(--bg-gray); border-radius:50%; font-size:12px; margin-right:8px; color:var(--text); }
.option-item.correct .option-letter { background:var(--success); color:#fff; }
.option-item.wrong .option-letter { background:var(--danger); color:#fff; }
.q-analysis { margin-top:18px; background:#f8fafc; border-left:3px solid var(--secondary); padding:14px 16px; border-radius:0 8px 8px 0; font-size:14px; display:none; }
.q-analysis.show { display:block; }
.q-analysis b { color:var(--primary); }
.q-actions { display:flex; gap:12px; margin-top:20px; flex-wrap:wrap; }
.practice-timer { font-size:15px; font-weight:700; color:var(--danger); }

/* ===== 表格 ===== */
.table-wrap { overflow-x:auto; }
table.list-table { width:100%; border-collapse:collapse; background:#fff; }
.list-table th, .list-table td { padding:11px 14px; border-bottom:1px solid var(--border); text-align:left; font-size:13px; }
.list-table th { background:var(--bg-gray); color:var(--text); font-weight:600; white-space:nowrap; }
.list-table tr:hover td { background:#fdf6f5; }

/* ===== 表单 ===== */
.form-box { max-width:420px; margin:40px auto; background:#fff; border:1px solid var(--border); border-radius:12px; padding:32px; }
.form-box h2 { text-align:center; color:var(--primary); margin-bottom:6px; }
.form-box .sub { text-align:center; color:var(--text-light); font-size:13px; margin-bottom:22px; }
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:13px; margin-bottom:6px; color:var(--text); }
.form-group input, .form-group select, .form-group textarea { width:100%; padding:10px 12px; border:1px solid #dcdfe6; border-radius:6px; font-size:14px; outline:none; font-family:inherit; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--secondary); }
.form-group textarea { min-height:100px; }
.form-tip { font-size:12px; color:var(--text-light); margin-top:4px; }
.alert { padding:12px 16px; border-radius:6px; margin-bottom:16px; font-size:13px; }
.alert-error { background:#fef0f0; color:var(--danger); border:1px solid #fde2e2; }
.alert-success { background:#f0f9eb; color:#529b2e; border:1px solid #e1f3d8; }
.alert-info { background:#fdf0ee; color:var(--secondary); border:1px solid #f6d5d0; }

/* ===== 搜索结果 / 列表 ===== */
.result-item { padding:14px 0; border-bottom:1px solid var(--border); }
.result-item:last-child { border-bottom:none; }
.result-item h4 { font-size:15px; }
.result-item p { font-size:13px; color:var(--text-light); margin-top:4px; }

/* ===== 院校卡片 ===== */
.school-card { background:#fff; border:1px solid var(--border); border-radius:10px; padding:16px; display:block; transition:all .2s; }
.school-card:hover { box-shadow:0 4px 16px rgba(1,82,147,.12); transform:translateY(-2px); }
.school-card h4 { font-size:15px; margin-bottom:6px; }
.school-card .meta { font-size:12px; color:var(--text-light); display:flex; gap:8px; flex-wrap:wrap; }
.school-card .badge { display:inline-block; background:#fdecea; color:var(--secondary); padding:1px 8px; border-radius:4px; font-size:11px; }

/* ===== FAQ ===== */
.faq-item { border:1px solid var(--border); border-radius:10px; margin-bottom:12px; overflow:hidden; }
.faq-q { padding:14px 18px; font-weight:600; cursor:pointer; background:#f8fafc; display:flex; justify-content:space-between; align-items:center; }
.faq-q .arrow { color:var(--text-light); transition:transform .2s; }
.faq-item.open .faq-q .arrow { transform:rotate(180deg); }
.faq-a { padding:14px 18px; display:none; font-size:14px; color:#555; }
.faq-item.open .faq-a { display:block; }

/* ===== 首页 Hero ===== */
.hero-section { background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 55%,#d64541 100%); color:#fff; padding:56px 0 52px; }
.hero-section h1 { font-size:32px; margin-bottom:12px; line-height:1.4; }
.hero-section h1 span { color:var(--accent); }
.hero-section p { font-size:15px; opacity:.92; max-width:720px; }
.hero-stats { display:flex; gap:36px; margin-top:26px; flex-wrap:wrap; }
.hero-stat .num { font-size:30px; font-weight:800; color:var(--accent); }
.hero-stat .label { display:block; font-size:12px; opacity:.8; }
.hero-buttons { margin-top:28px; display:flex; gap:14px; flex-wrap:wrap; }

/* ===== 特色入口 ===== */
.entry-card { background:#fff; border:1px solid var(--border); border-radius:10px; padding:20px; display:block; transition:all .2s; position:relative; overflow:hidden; }
.entry-card:hover { box-shadow:0 4px 16px rgba(1,82,147,.12); transform:translateY(-2px); }
.entry-card::after { content:''; position:absolute; top:0; left:0; width:4px; height:100%; background:linear-gradient(180deg,var(--primary),var(--secondary)); }
.entry-card .icon { font-size:26px; margin-bottom:8px; }
.entry-card h4 { font-size:15px; margin-bottom:6px; }
.entry-card p { font-size:13px; color:var(--text-light); }
.entry-card .more { font-size:12px; color:var(--secondary); margin-top:8px; display:inline-block; }

/* ===== 文章 ===== */
.article-item { display:flex; justify-content:space-between; align-items:center; padding:12px 0; border-bottom:1px solid var(--border); gap:12px; }
.article-item a { color:var(--text); font-size:14px; flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.article-item a:hover { color:var(--secondary); }
.article-item .date { color:var(--text-light); font-size:12px; white-space:nowrap; }
.article-content { line-height:1.9; font-size:15px; }
.article-content h2 { font-size:20px; margin:24px 0 12px; color:var(--primary); }
.article-content h3 { font-size:17px; margin:20px 0 10px; color:var(--primary); }
.article-content p { margin:12px 0; }
.article-content ul, .article-content ol { margin:10px 0 10px 22px; }
.article-content li { margin:6px 0; }
.article-content table { width:100%; border-collapse:collapse; margin:14px 0; }
.article-content th, .article-content td { border:1px solid var(--border); padding:8px 10px; font-size:13px; }
.article-content th { background:var(--bg-gray); }
.tldr-box { background:#fdf0ee; border-left:3px solid var(--secondary); padding:12px 16px; border-radius:0 8px 8px 0; font-size:14px; margin-bottom:20px; }

/* ===== 页脚 ===== */
.site-footer { background:var(--primary-dark); color:rgba(255,255,255,.85); margin-top:50px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.5fr; gap:30px; padding:40px 16px 30px; }
.footer-col h4 { color:#fff; font-size:15px; margin-bottom:14px; }
.footer-col a { display:block; color:rgba(255,255,255,.75); font-size:13px; padding:3px 0; }
.footer-col a:hover { color:var(--accent); }
.footer-col p { font-size:12px; color:rgba(255,255,255,.6); margin-bottom:8px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding:14px 0; font-size:12px; color:rgba(255,255,255,.55); }
.footer-bottom .container { display:flex; justify-content:space-between; flex-wrap:wrap; gap:6px; }
@media (max-width:768px) { .footer-grid { grid-template-columns:1fr 1fr; gap:20px; } .main-nav { display:none; } .mobile-nav { display:flex; } .hero-section h1 { font-size:24px; } }

/* ===== 通用工具 ===== */
.text-center { text-align:center; }
.mt-10 { margin-top:10px; } .mt-20 { margin-top:20px; } .mt-30 { margin-top:30px; }
.mb-10 { margin-bottom:10px; } .mb-20 { margin-bottom:20px; }
.pagination { display:flex; justify-content:center; gap:6px; margin:24px 0; }
.pagination a, .pagination span { display:inline-block; min-width:32px; padding:6px 10px; border:1px solid var(--border); border-radius:5px; font-size:13px; color:var(--text); text-align:center; }
.pagination a:hover { border-color:var(--secondary); color:var(--secondary); }
.pagination .active { background:var(--primary); border-color:var(--primary); color:#fff; }
.score-ring { width:110px; height:110px; border-radius:50%; background:conic-gradient(var(--success) calc(var(--p)*1%),#eef1f6 0); display:flex; align-items:center; justify-content:center; margin:0 auto 14px; }
.score-ring span { width:84px; height:84px; border-radius:50%; background:#fff; display:flex; flex-direction:column; align-items:center; justify-content:center; font-size:24px; font-weight:800; color:var(--primary); }
.score-ring small { font-size:12px; font-weight:400; color:var(--text-light); }

/* ===== 解锁提示条（半免费模式） ===== */
.unlock-prompt { margin-top:16px; background:linear-gradient(135deg,#fff7e6,#fff3d6); border:1px dashed var(--accent); border-radius:8px; padding:12px 16px; font-size:13px; color:#7a5b00; display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.unlock-prompt .btn { margin-left:auto; }

/* ===== 移动端增强适配（≤768px） ===== */
@media (max-width:768px) {
  /* 顶栏：logo 缩写、按钮紧凑 */
  .header-inner { height:54px; gap:10px; padding:0 10px; }
  .logo-text { font-size:16px; }
  .logo-text small { display:none; }
  .header-user .btn { padding:4px 10px; font-size:12px; }
  .user-link { font-size:13px; }
  .mobile-nav { top:54px; }

  /* 横幅 */
  .page-banner { padding:24px 0 20px; }
  .page-banner h1 { font-size:20px; line-height:1.4; }
  .page-banner p { font-size:13px; }
  .breadcrumb { font-size:11px; }

  /* 区块标题 */
  .section-title h3 { font-size:17px; }
  .section-title p { font-size:12px; }

  /* 卡片 */
  .card { padding:14px; }
  .grid-3, .grid-2 { gap:10px; }

  /* 首页 Hero */
  .hero-section { padding:36px 0 32px; }
  .hero-section h1 { font-size:22px; }
  .hero-section p { font-size:14px; }
  .hero-stats { gap:16px; }
  .hero-stat .num { font-size:24px; }
  .hero-buttons .btn { width:100%; text-align:center; }
  .entry-card { padding:16px; }

  /* 练习 / 考试 */
  .question-card { padding:16px; }
  .q-stem { font-size:15px; }
  .option-item { padding:11px 12px; font-size:14px; }
  .q-actions .btn { flex:1; text-align:center; padding:10px 8px; }
  .practice-header { gap:8px; }
  .practice-timer { font-size:14px; }
  .practice-progress { font-size:12px; }

  /* 表单（防 iOS 聚焦缩放） */
  .form-box { margin:24px auto; padding:22px 18px; }
  .form-group input, .form-group select, .form-group textarea { font-size:16px; }

  /* 内联 grid 表单全部单列 */
  [style*="grid-template-columns"] { grid-template-columns:1fr !important; }

  /* 表格：未包裹的裸表格横向滚动 */
  table.list-table { display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; white-space:nowrap; }
  .table-wrap { -webkit-overflow-scrolling:touch; }
  .list-table th, .list-table td { padding:9px 10px; font-size:13px; }

  /* 文章 */
  .article-content { font-size:15px; }
  .article-content h2 { font-size:18px; }
  .article-content table { display:block; overflow-x:auto; }

  /* 解锁提示 / FAQ / 分页 */
  .unlock-prompt { flex-direction:column; align-items:stretch; }
  .unlock-prompt .btn { margin-left:0; text-align:center; }
  .faq-q { padding:12px 14px; font-size:14px; }
  .faq-a { padding:12px 14px; font-size:13px; }
  .pagination a { min-width:28px; padding:5px 8px; }

  /* 页脚 */
  .footer-grid { padding:28px 12px 20px; gap:18px; }
  .footer-bottom .container { justify-content:center; text-align:center; }
  .result-item h4 { font-size:14px; }
}