/* ============================================
   开户行及联行号批量查询工具 - 全站样式
   PC 与移动端自适应
   ============================================ */

:root {
  --color-primary: #1a6ee0;
  --color-primary-dark: #1256b4;
  --color-primary-light: #e8f1fd;
  --color-text: #1f2a37;
  --color-text-light: #5b6675;
  --color-border: #dfe5ee;
  --color-bg: #f3f6fa;
  --color-card: #ffffff;
  --color-success: #0f9d58;
  --color-danger: #d93025;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(20, 60, 120, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Segoe UI", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---------- 页头 ---------- */
.site-header {
  background: linear-gradient(135deg, #13439b 0%, var(--color-primary) 60%, #2f8af0 100%);
  color: #fff;
  padding: 34px 0 30px;
  text-align: center;
}

.site-title {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
}

.site-slogan {
  margin: 0;
  font-size: 14px;
  opacity: 0.85;
}

/* ---------- 工具卡片 ---------- */
.tool-card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin: -14px auto 28px;
  position: relative;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab {
  appearance: none;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-light);
  font-size: 15px;
  padding: 8px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.tool-tip {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--color-text-light);
}

.input-area {
  width: 100%;
  min-height: 130px;
  resize: vertical;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: Consolas, Menlo, "Courier New", monospace;
  line-height: 1.6;
  color: var(--color-text);
  background: #fbfcfe;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.input-area:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 110, 224, 0.15);
  background: #fff;
}

/* ---------- 操作栏 ---------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.stat {
  font-size: 13px;
  color: var(--color-text-light);
}

.stat strong {
  color: var(--color-primary);
  font-size: 15px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn {
  appearance: none;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  font-size: 14px;
  padding: 9px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}

.btn-ghost {
  border-color: transparent;
  color: var(--color-text-light);
}

/* ---------- 状态提示 ---------- */
.status-bar {
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.status-bar.status-error {
  background: #fdecea;
  color: var(--color-danger);
}

.status-bar.status-success {
  background: #e6f4ea;
  color: var(--color-success);
}

/* ---------- 结果表格 ---------- */
.table-wrap {
  margin-top: 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.result-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.result-table thead th {
  background: #f6f9fd;
  color: var(--color-text-light);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.result-table tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid #eef2f8;
  word-break: break-all;
}

.result-table tbody tr:last-child td {
  border-bottom: none;
}

.result-table tbody tr:hover {
  background: #f8fafd;
}

.result-table .num {
  font-family: Consolas, Menlo, "Courier New", monospace;
  white-space: nowrap;
}

.result-table .ok {
  color: var(--color-success);
}

.result-table .fail {
  color: var(--color-danger);
}

.empty-tip {
  padding: 26px 16px;
  text-align: center;
  color: #9aa4b2;
  font-size: 14px;
}

.empty-tip.hidden,
.result-table.hidden {
  display: none;
}

/* ---------- 内容区 ---------- */
.content {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 28px;
  margin-bottom: 28px;
}

.content h2 {
  margin: 0 0 12px;
  font-size: 19px;
  color: var(--color-primary-dark);
  border-left: 4px solid var(--color-primary);
  padding-left: 10px;
  line-height: 1.4;
}

.content section + section {
  margin-top: 26px;
}

.content p {
  margin: 0 0 10px;
  color: var(--color-text);
}

.steps {
  margin: 0;
  padding-left: 22px;
}

.steps li {
  margin-bottom: 6px;
}

.faq-item {
  border: 1px solid #eef2f8;
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 12px;
  background: #fbfcfe;
}

.faq-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.faq-item p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-light);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #24324a;
  color: #aeb9cc;
  font-size: 13px;
  text-align: center;
  padding: 22px 0;
  margin-top: 10px;
}

.site-footer p {
  margin: 3px 0;
}

/* 友情链接 */
.friend-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 4px 10px;
  padding: 12px 0 4px;
  margin-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
}
.friend-links-title { color: #aeb9cc; margin-right: 2px; }
.friend-links a { color: #aeb9cc; }
.friend-links a:hover { color: #fff; }

/* ---------- 移动端适配 ---------- */
@media (max-width: 768px) {
  .site-header {
    padding: 26px 0 24px;
  }

  .site-title {
    font-size: 21px;
  }

  .site-slogan {
    font-size: 13px;
  }

  .tool-card {
    padding: 16px 14px;
  }

  .tabs {
    flex-wrap: wrap;
  }

  .tab {
    flex: 1 1 auto;
    padding: 8px 12px;
    font-size: 14px;
    text-align: center;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-group {
    width: 100%;
  }

  .btn {
    flex: 1 1 40%;
    padding: 10px 8px;
  }

  .btn-primary {
    flex: 1 1 100%;
  }

  .content {
    padding: 20px 16px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .site-title {
    font-size: 19px;
  }

  .input-area {
    font-size: 14px;
  }

  .result-table {
    font-size: 13px;
  }
}