/* ============ 基础 ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --green: #16a34a;
  --green-bg: #dcfce7;
  --yellow: #d97706;
  --yellow-bg: #fef3c7;
  --red: #dc2626;
  --red-bg: #fee2e2;
  --purple: #7c3aed;
  --purple-bg: #ede9fe;
  --text: #1e293b;
  --text-secondary: #64748b;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 4px 16px rgba(15, 23, 42, .06);
  --shadow-hover: 0 4px 8px rgba(15, 23, 42, .1), 0 12px 28px rgba(15, 23, 42, .1);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ============ 导航 ============ */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-logo { font-size: 1.4rem; }

.nav-links { display: flex; gap: 24px; }

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: .92rem;
  transition: color .2s;
}

.nav-link:hover { color: var(--primary); }

/* ============ Hero ============ */
.hero {
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 55%, #3b82f6 100%);
  color: #fff;
  padding: 56px 0 44px;
  text-align: center;
}

.hero-title { font-size: 2.1rem; letter-spacing: .02em; }

.hero-sub {
  margin-top: 8px;
  font-size: 1rem;
  opacity: .85;
}

.search-box {
  position: relative;
  max-width: 580px;
  margin: 28px auto 0;
  display: flex;
  align-items: center;
}

.search-box input {
  width: 100%;
  padding: 13px 44px 13px 44px;
  border: none;
  border-radius: 999px;
  font-size: 1rem;
  outline: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
  background: #fff;
  color: var(--text);
}

.search-box input::placeholder { color: #94a3b8; }

.search-icon {
  position: absolute;
  left: 16px;
  color: var(--text-secondary);
  pointer-events: none;
}

.search-clear {
  position: absolute;
  right: 10px;
  border: none;
  background: #eef2f7;
  color: var(--text-secondary);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  cursor: pointer;
  font-size: .8rem;
  display: none;
}

.search-clear.visible { display: block; }

/* 统计 */
.stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.stat-item { text-align: center; }

.stat-num {
  display: block;
  font-size: 1.7rem;
  font-weight: 700;
}

.stat-warn { color: #fde68a; }

.stat-label { font-size: .85rem; opacity: .8; }

/* ============ 通用区块 ============ */
.section { padding: 48px 0; }
.section-alt { background: var(--bg-alt); }

.section-title {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

/* ============ 设备种类卡片 ============ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.category-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: left;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: inherit;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.category-card.active { border-color: var(--primary); background: var(--primary-light); }

.category-icon { font-size: 1.6rem; }

.category-name { font-weight: 600; font-size: 1rem; color: var(--text); }

.category-count { font-size: .82rem; color: var(--text-secondary); }

/* ============ 厂家卡片 ============ */
.mfr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.mfr-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: left;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: inherit;
}

.mfr-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.mfr-card.active { border-color: var(--primary); background: var(--primary-light); }

.mfr-name { font-weight: 700; font-size: 1.02rem; color: var(--text); }

.mfr-location { font-size: .82rem; color: var(--text-secondary); }

.mfr-types { font-size: .85rem; color: var(--text); line-height: 1.7; }

.mfr-stats { font-size: .85rem; color: var(--text-secondary); }

.mfr-alert { color: var(--yellow); }

/* ============ 筛选行 ============ */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-select {
  flex: 1 1 150px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font-size: .9rem;
  color: var(--text);
  cursor: pointer;
}

.filter-select:focus { outline: none; border-color: var(--primary); }

/* ============ 资料卡片 ============ */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 16px;
}

.doc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .18s, box-shadow .18s;
}

.doc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }

.doc-card.card-expiring { border-color: #f59e0b; border-width: 1.5px; }

.doc-card.card-expired { border-color: var(--red); border-width: 1.5px; background: #fffafa; }

.doc-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.doc-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.doc-title-wrap { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

.doc-title {
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.4;
  word-break: break-all;
}

/* 状态徽章 */
.badge {
  display: inline-block;
  align-self: flex-start;
  font-size: .78rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-valid { background: var(--green-bg); color: var(--green); }
.badge-expiring { background: var(--yellow-bg); color: var(--yellow); }
.badge-expired { background: var(--red-bg); color: var(--red); }
.badge-permanent { background: var(--purple-bg); color: var(--purple); }

/* 资料小徽章 */
.doc-badges { display: flex; flex-wrap: wrap; gap: 6px; }

.doc-badge {
  font-size: .78rem;
  padding: 3px 10px;
  border-radius: 6px;
  background: var(--bg-alt);
  color: var(--text-secondary);
}

.doc-badge-qual { background: var(--primary-light); color: var(--primary-dark); }

.doc-badge-mfr { background: #e0f2fe; color: #0369a1; }

.doc-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: .8rem;
  color: var(--text-secondary);
}

.doc-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.doc-tag {
  background: var(--bg-alt);
  border-radius: 5px;
  padding: 2px 8px;
  font-size: .76rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .15s;
}

.doc-tag:hover { background: var(--primary-light); color: var(--primary-dark); }

.doc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 2px;
}

.doc-stats { font-size: .8rem; color: var(--text-secondary); }

.btn {
  border: none;
  border-radius: 8px;
  padding: 8px 18px;
  font-size: .88rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background .18s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ============ 空状态 ============ */
.empty-state { text-align: center; padding: 48px 0; }

.empty-icon { font-size: 2.4rem; margin-bottom: 8px; }

.empty-text { font-size: 1.05rem; font-weight: 600; }

.empty-hint { font-size: .85rem; color: var(--text-secondary); margin: 4px 0 16px; }

.result-count { text-align: center; color: var(--text-secondary); font-size: .82rem; margin-top: 24px; }

/* ============ 说明 ============ */
.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.about-tips {
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: .9rem;
  display: grid;
  gap: 8px;
}

.about-tips b { color: var(--text); }

/* ============ 页脚 ============ */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 24px 0;
  font-size: .85rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============ 响应式 ============ */
@media (max-width: 640px) {
  .hero-title { font-size: 1.6rem; }
  .stats { gap: 28px; }
  .stat-num { font-size: 1.4rem; }
  .nav-links { display: none; }
  .doc-grid { grid-template-columns: 1fr; }
  .filter-select { flex: 1 1 100%; }
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ============ 紧凑首屏 ============ */
.hero-compact { padding: 26px 0 22px; }
.hero-compact .hero-title { font-size: 1.45rem; }
.hero-compact .hero-sub { margin-top: 4px; font-size: .88rem; }
.hero-compact .search-box { margin-top: 14px; max-width: 620px; }
.hero-compact .search-box input { padding: 11px 44px; font-size: .95rem; }
.hero-compact .stats { margin-top: 14px; gap: 36px; }
.hero-compact .stat-num { font-size: 1.25rem; }
.hero-compact .stat-label { font-size: .76rem; }
.section-tight { padding: 20px 0 40px; scroll-margin-top: 72px; }

/* ============ 简洁化排版 ============ */
.section { padding: 34px 0; }
.section-title { font-size: 1.18rem; margin-bottom: 16px; }
.filter-row { gap: 8px; margin-bottom: 16px; }
.filter-select { padding: 7px 10px; font-size: .85rem; border-radius: 7px; }
.doc-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.doc-card { padding: 15px 16px; gap: 8px; }
.doc-icon { width: 36px; height: 36px; font-size: 1.1rem; }
.doc-title { font-size: .95rem; }
.doc-meta { gap: 8px; font-size: .78rem; }
.category-grid, .mfr-grid { gap: 12px; }

/* 常用资质快捷标签 */
.quick-tags {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.qt-label { font-size: .8rem; opacity: .75; }
.quick-tag {
  border: 1px solid rgba(255, 255, 255, .45);
  background: rgba(255, 255, 255, .14);
  color: #fff;
  font-size: .8rem;
  padding: 4px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s;
}
.quick-tag:hover { background: rgba(255, 255, 255, .3); }

.doc-actions { display: flex; gap: 8px; align-items: center; }

/* ============ 资料预览弹窗 ============ */
.preview-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .62);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3vh 3vw;
}

.preview-modal[hidden] { display: none; }

.preview-panel {
  background: #fff;
  width: min(980px, 96vw);
  height: 90vh;
  border-radius: 14px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .35);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.preview-head-info { min-width: 0; }

.preview-title {
  font-size: 1.02rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  word-break: break-all;
}

.preview-meta { font-size: .82rem; color: var(--text-secondary); margin-top: 4px; }

.preview-actions { display: flex; gap: 8px; flex-shrink: 0; }

.preview-body {
  flex: 1;
  overflow: auto;
  background: #525659;
}

.preview-body iframe { width: 100%; height: 100%; border: 0; display: block; }

.preview-body img {
  display: block;
  max-width: 100%;
  margin: 0 auto;
  background: #fff;
}

.preview-fallback {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: #e2e8f0;
  background: #525659;
}

.preview-fallback-icon { font-size: 2.6rem; }

.preview-fallback-text { font-size: .95rem; }

@media (max-width: 640px) {
  .preview-head { flex-direction: column; }
  .preview-actions { width: 100%; }
  .preview-actions .btn { flex: 1; justify-content: center; }
}

/* 高亮搜索关键词 */
mark {
  background: #fef08a;
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}

/* ============ 访问门禁 ============ */
.gate-modal {
  position: fixed; inset: 0; z-index: 9999;
  background: linear-gradient(160deg, #0f2b56 0%, #16407a 55%, #1b4c8a 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; overflow-y: auto;
}
.gate-panel {
  background: #fff; border-radius: 16px; padding: 36px 32px;
  width: 100%; max-width: 400px; text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}
.gate-modal[hidden] { display: none; }
.gate-panel-wide { max-width: 560px; text-align: left; }
.gate-logo { font-size: 40px; }
.gate-title { font-size: 1.35rem; color: #0f2b56; margin: 8px 0 4px; }
.gate-sub { color: #64748b; font-size: .9rem; margin-bottom: 22px; }
.gate-form { display: flex; flex-direction: column; gap: 14px; }
.gate-label { text-align: left; font-size: .85rem; font-weight: 600; color: #334155; display: flex; flex-direction: column; gap: 6px; }
.gate-input {
  border: 1.5px solid #cbd5e1; border-radius: 10px; padding: 10px 12px;
  font-size: .95rem; outline: none; transition: border-color .15s;
}
.gate-input:focus { border-color: #2563eb; }
.gate-error { color: #dc2626; font-size: .85rem; margin: 0; }
.gate-submit { margin-top: 6px; width: 100%; justify-content: center; font-size: 1rem; padding: 12px; }
.gate-note { color: #94a3b8; font-size: .78rem; margin-top: 18px; }
.gate-log { max-height: 55vh; overflow-y: auto; margin-bottom: 16px; }
.gate-log-item {
  display: grid; grid-template-columns: 150px 90px 1fr; gap: 8px;
  padding: 9px 10px; border: 1px solid #e2e8f0; border-radius: 8px;
  margin-bottom: 8px; font-size: .85rem; align-items: center;
}
.gate-log-time { color: #64748b; }
.gate-log-user { font-weight: 700; color: #0f2b56; }
.gate-log-proj { color: #334155; }

/* 访问记录查看器：半透明背景 + 提示条，与登录门禁区分开 */
#logModal {
  z-index: 10000;
  background: rgba(10, 22, 45, .78);
  backdrop-filter: blur(6px);
}
#logModal .gate-panel-wide { border-top: 4px solid #f59e0b; }
.log-hint {
  background: #fffbeb; border: 1px solid #fde68a; color: #92400e;
  border-radius: 8px; padding: 10px 12px; font-size: .85rem; margin-bottom: 16px; text-align: left;
}
.gate-close-btn { width: 100%; }
@media (max-width: 560px) {
  .gate-log-item { grid-template-columns: 1fr; }
}

/* ============ 本公司投标基础资料专区（核心置顶） ============ */
.section-company {
  padding: 30px 0 40px;
  background: linear-gradient(180deg, #fffbeb 0%, var(--bg) 100%);
  border-bottom: 2px solid #f59e0b33;
  scroll-margin-top: 72px;
}
.company-head { margin-bottom: 18px; }
.company-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.company-badge {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff; font-size: .72rem; font-weight: 700;
  padding: 3px 10px; border-radius: 999px; letter-spacing: 1px;
  box-shadow: 0 2px 6px rgba(217, 119, 6, .35);
}
.company-sub { color: var(--text-secondary); font-size: .92rem; margin-top: 4px; }
.company-group {
  background: #fff; border: 1px solid #f59e0b55; border-radius: var(--radius);
  margin-bottom: 14px; overflow: hidden; box-shadow: var(--shadow);
}
.company-group-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 18px; background: #fffbeb; border-bottom: 1px solid #fde68a;
}
.company-group-icon { font-size: 1.2rem; }
.company-group-name { font-weight: 700; color: #92400e; }
.company-group-desc { color: var(--text-secondary); font-size: .85rem; flex: 1; }
.company-group-count {
  font-size: .8rem; color: #92400e; background: #fef3c7;
  padding: 2px 10px; border-radius: 999px; font-weight: 600;
}
.company-files { padding: 6px 12px; }
.company-file {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 8px; border-bottom: 1px dashed var(--border);
}
.company-file:last-child { border-bottom: none; }
.company-file-name { flex: 1; min-width: 200px; font-size: .93rem; word-break: break-all; }
.company-file-actions { display: flex; gap: 8px; align-items: center; }
.btn-sm { padding: 5px 12px; font-size: .82rem; }
@media (max-width: 640px) {
  .company-file-name { min-width: 100%; }
  .company-file-actions { width: 100%; justify-content: flex-end; }
}