:root {
  --primary: #5b7cfa;
  --primary-dark: #4a66d8;
  --bg: #f5f6fa;
  --card: #ffffff;
  --text: #2b2f36;
  --muted: #8a93a5;
  --border: #e6e9f0;
  --danger: #e5484d;
  --ok: #2f9e6e;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
.hidden { display: none !important; }

/* 导航 */
#navbar { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 20px; height: 56px; display: flex; align-items: center; gap: 28px; }
.brand { font-size: 19px; font-weight: 700; color: var(--primary); }
.nav-links { display: flex; gap: 20px; flex: 1; }
.nav-links a { color: var(--text); text-decoration: none; font-size: 14px; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav-links a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.nav-user { font-size: 13px; color: var(--muted); display: flex; gap: 14px; align-items: center; }
.nav-user a { color: var(--muted); text-decoration: none; }
.nav-user a:hover { color: var(--danger); }

main { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }

/* 登录页 */
.login-wrap { display: flex; justify-content: center; padding-top: 9vh; }
.login-card { background: var(--card); border-radius: 14px; box-shadow: 0 10px 40px rgba(60,80,180,.10); padding: 44px 48px; width: 400px; }
.login-card h1 { text-align: center; font-size: 24px; margin-bottom: 6px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 30px; }

/* 表单 */
.form-item { margin-bottom: 18px; }
.form-item label { display: block; font-size: 13px; color: var(--text); margin-bottom: 6px; }
.form-item label .req { color: var(--danger); margin-right: 2px; }
input[type=text], input[type=password], input[type=number] {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; outline: none; transition: border .15s;
}
input:focus { border-color: var(--primary); }
.form-row { display: flex; gap: 12px; }
.form-row .form-item { flex: 1; }

.btn {
  display: inline-block; padding: 10px 22px; border: none; border-radius: 8px;
  background: var(--primary); color: #fff; font-size: 14px; cursor: pointer; transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn:disabled { background: #b9c4f2; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 6px; }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-ghost:hover { background: #eef1fe; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #c73539; }

.link-row { display: flex; justify-content: space-between; margin: -4px 0 18px; }
.link-row a { font-size: 13px; color: var(--primary); text-decoration: none; }
.link-row a:hover { text-decoration: underline; }

/* 查询卡片 */
.page-card { background: var(--card); border-radius: 14px; box-shadow: 0 4px 20px rgba(60,80,180,.06); padding: 32px 36px; max-width: 560px; margin: 0 auto; }
.page-card h2 { font-size: 19px; margin-bottom: 22px; }
.quota-tip { background: #eef3ff; color: var(--primary); border-radius: 8px; padding: 9px 14px; font-size: 13px; margin-bottom: 20px; }

.upload-box { border: 1px dashed var(--border); border-radius: 8px; padding: 12px; font-size: 13px; color: var(--muted); cursor: pointer; }
.upload-box:hover { border-color: var(--primary); color: var(--primary); }
.upload-box .fname { color: var(--ok); margin-left: 8px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--card); border-radius: 12px; overflow: hidden; box-shadow: 0 4px 20px rgba(60,80,180,.06); }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: #f8f9fc; color: var(--muted); font-weight: 600; font-size: 12px; }
td.actions { white-space: nowrap; }
td.actions a { color: var(--primary); text-decoration: none; margin-right: 8px; cursor: pointer; font-size: 12px; }
td.actions a.danger { color: var(--danger); }
.table-wrap { overflow-x: auto; }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.toolbar h2 { font-size: 19px; }

/* 徽章 */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; }
.badge.ok { background: #e5f6ee; color: var(--ok); }
.badge.mid { background: #fff4e0; color: #d97b06; }
.badge.high { background: #fdecec; color: var(--danger); }
.badge.gray { background: #eef0f4; color: var(--muted); }
.badge.blue { background: #e8edff; color: var(--primary); }

/* 报告详情 */
.report-head { background: var(--card); border-radius: 14px; box-shadow: 0 4px 20px rgba(60,80,180,.06); padding: 26px 32px; margin-bottom: 20px; display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 16px; }
.report-head .left h2 { font-size: 20px; margin-bottom: 8px; }
.report-head .meta { color: var(--muted); font-size: 13px; line-height: 1.9; }
.report-verdict { text-align: center; padding: 0 10px; }
.report-verdict .letter { font-size: 44px; font-weight: 800; line-height: 1; }
.report-verdict .sug { margin-top: 6px; }
.result-A { color: var(--ok); } .result-B { color: #7cb342; } .result-C { color: #d97b06; } .result-D { color: #e5521f; } .result-E { color: var(--danger); }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; background: var(--card); border-radius: 14px; box-shadow: 0 4px 20px rgba(60,80,180,.06); padding: 20px 26px; margin-bottom: 20px; }
.info-grid .item { font-size: 13px; }
.info-grid .item span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 3px; }
.section-title { font-size: 16px; font-weight: 700; margin: 26px 0 12px; }
.det-card { background: var(--card); border-radius: 12px; box-shadow: 0 3px 14px rgba(60,80,180,.05); padding: 18px 22px; margin-bottom: 14px; }
.det-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.det-head .name { font-weight: 600; font-size: 14px; }
.det-head .desc { color: var(--muted); font-size: 12px; margin-top: 4px; max-width: 640px; line-height: 1.6; }
.det-analysis { background: #f8f9fc; border-radius: 8px; padding: 10px 14px; font-size: 13px; margin-top: 12px; }
.det-table-wrap { margin-top: 12px; overflow-x: auto; }
.det-table-wrap table { box-shadow: none; border: 1px solid var(--border); }
.back-link { display: inline-block; margin-bottom: 16px; color: var(--muted); text-decoration: none; font-size: 13px; }
.back-link:hover { color: var(--primary); }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(20,25,40,.45); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: #fff; border-radius: 14px; padding: 28px 30px; width: 420px; max-width: 92vw; }
.modal h3 { margin-bottom: 18px; font-size: 16px; }
.modal .btn-row { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

/* Toast */
#toast { position: fixed; top: 70px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast-item { background: #333c4e; color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 13px; box-shadow: 0 6px 20px rgba(0,0,0,.2); animation: fadein .2s; }
.toast-item.err { background: var(--danger); }
.toast-item.ok { background: var(--ok); }
@keyframes fadein { from { opacity: 0; transform: translateY(-6px);} to { opacity: 1; } }

.pager { display: flex; gap: 10px; justify-content: flex-end; margin-top: 14px; font-size: 13px; align-items: center; color: var(--muted); }
.pager button { padding: 5px 12px; border: 1px solid var(--border); background: #fff; border-radius: 6px; cursor: pointer; }
.pager button:disabled { color: #ccc; cursor: not-allowed; }
.empty-tip { text-align: center; color: var(--muted); padding: 40px 0; font-size: 14px; }

/* 报告头 PDF 按钮容器 */
.pdf-box { align-self: center; }

/* 备案信息 footer（工信部要求：主页底部中央 + 链接工信部备案系统） */
.beian-footer {
  text-align: center;
  padding: 20px 16px 24px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
}
.beian-footer a {
  color: var(--muted);
  text-decoration: none;
}
.beian-footer a:hover { color: var(--primary); text-decoration: underline; }
.beian-footer .sep { margin: 0 8px; color: #cdd2dd; }

/* ==================== 移动端适配 ==================== */
@media (max-width: 768px) {
  /* 导航栏：换行 + 链接横向滚动 */
  .nav-inner { height: auto; min-height: 50px; flex-wrap: wrap; gap: 6px 14px; padding: 8px 14px; }
  .brand { font-size: 17px; }
  .nav-links { order: 3; width: 100%; gap: 18px; overflow-x: auto; white-space: nowrap; padding-bottom: 2px; }
  .nav-links a { font-size: 13px; }
  .nav-user { font-size: 12px; gap: 10px; }

  main { padding: 16px 12px 56px; }

  /* 登录卡片 */
  .login-wrap { padding-top: 5vh; }
  .login-card { width: 100%; max-width: 400px; padding: 30px 22px; }
  .login-card h1 { font-size: 22px; }

  /* 查询卡片 */
  .page-card { padding: 22px 16px; max-width: 100%; }
  .page-card h2 { font-size: 17px; }

  /* 报告头纵向堆叠 */
  .report-head { flex-direction: column; align-items: stretch; padding: 20px 16px; }
  .report-head .left h2 { font-size: 18px; }
  .report-head .meta { line-height: 1.8; }
  .report-verdict { text-align: left; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 0; margin-top: 6px; }
  .report-verdict .letter { font-size: 34px; }
  .report-verdict .sug { margin-top: 0; }
  .pdf-box { align-self: stretch; margin-top: 8px; }
  .pdf-box .btn { width: 100%; }

  /* 检测卡片 */
  .det-card { padding: 14px 14px; }
  .det-head { flex-direction: column; gap: 8px; }
  .det-head .desc { max-width: 100%; }

  /* 信息网格：小屏两列 */
  .info-grid { grid-template-columns: 1fr 1fr; padding: 16px 14px; gap: 10px 14px; }
  .section-title { font-size: 15px; }

  /* 表单行纵向 */
  .form-row { flex-direction: column; gap: 0; }

  /* 工具栏 */
  .toolbar h2 { font-size: 17px; }

  /* 弹窗 */
  .modal { padding: 22px 18px; }

  /* 输入框字号≥16px，防止 iOS 聚焦时自动放大页面 */
  input[type=text], input[type=password], input[type=number], select {
    font-size: 16px;
  }

  /* 表格：整体缩小，保持横向可滚动 */
  table { font-size: 12px; }
  th, td { padding: 9px 10px; }
  .pager { justify-content: center; }
  .pager span { font-size: 12px; }
}

@media (max-width: 380px) {
  .info-grid { grid-template-columns: 1fr; }
}