/* ============================================
   蓝境 LeadFinder AI — 全局样式
   深蓝科技风 + 橙金强调
   ============================================ */

:root {
  --primary: #0B2A4A;
  --primary-light: #143D66;
  --primary-lighter: #1E4D7B;
  --accent: #F0932B;
  --accent-hover: #E8851A;
  --gold: #F5C842;
  --bg: #F4F7FB;
  --bg-white: #FFFFFF;
  --text: #1A2B3C;
  --text-secondary: #5A6B7D;
  --text-light: #8A9BAD;
  --border: #E2E8F0;
  --success: #2EB872;
  --danger: #E74C3C;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(11, 42, 74, 0.08);
  --shadow-lg: 0 8px 32px rgba(11, 42, 74, 0.12);
  --nav-height: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary-lighter); text-decoration: none; }
a:hover { color: var(--accent); }

img { max-width: 100%; }

/* ========== 顶部导航 ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--primary);
  display: flex;
  align-items: center;
  padding: 0 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  transition: color .2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--gold); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 22px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

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

.btn-accent-gradient {
  background: linear-gradient(135deg, var(--accent), #FFB347);
  color: #fff;
}
.btn-accent-gradient:hover { box-shadow: 0 4px 16px rgba(240,147,43,0.4); }

.btn-block { width: 100%; }
.btn-lg { padding: 14px 36px; font-size: 17px; }

/* 用户头像下拉 */
.user-dropdown { position: relative; }
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-lighter), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  cursor: pointer;
  font-size: 15px;
}
.user-menu {
  position: absolute;
  top: 46px;
  right: 0;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
  overflow: hidden;
  display: none;
}
.user-menu.open { display: block; }
.user-menu a, .user-menu button {
  display: block;
  width: 100%;
  padding: 11px 18px;
  font-size: 14px;
  color: var(--text);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
}
.user-menu a:hover, .user-menu button:hover { background: var(--bg); color: var(--accent); }

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: .3s;
}

/* ========== 主内容区 ========== */
.main { flex: 1; }

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

/* ========== Hero ========== */
.hero {
  background: linear-gradient(160deg, var(--primary) 0%, #0d3560 50%, #143D66 100%);
  color: #fff;
  padding: 80px 20px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(240,147,43,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(245,200,66,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner { position: relative; max-width: 800px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(240,147,43,0.15);
  border: 1px solid rgba(240,147,43,0.35);
  border-radius: 20px;
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
}
.hero h1 .highlight { color: var(--gold); }

.hero p.subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-visual {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat .num {
  font-size: 32px;
  font-weight: 800;
  color: var(--gold);
}
.hero-stat .label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

/* ========== 入口大卡片 ========== */
.entries {
  max-width: 900px;
  margin: -50px auto 0;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

.entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.entry-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: transform .25s, box-shadow .25s;
  cursor: pointer;
  border: 2px solid transparent;
}
.entry-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(11,42,74,0.18);
  border-color: var(--accent);
}

.entry-card .icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}
.entry-card .icon.blue { background: linear-gradient(135deg, #1E4D7B, #2B6CB0); color: #fff; }
.entry-card .icon.orange { background: linear-gradient(135deg, var(--accent), #FFB347); color: #fff; }

.entry-card h3 { font-size: 22px; margin-bottom: 10px; color: var(--primary); }
.entry-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; }

/* ========== 功能区 ========== */
.features {
  padding: 80px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}
.section-title h2 {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-title p {
  color: var(--text-secondary);
  font-size: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.feature-item .f-icon {
  font-size: 28px;
  margin-bottom: 14px;
}
.feature-item h4 { font-size: 17px; margin-bottom: 8px; color: var(--primary); }
.feature-item p { font-size: 14px; color: var(--text-secondary); }

/* ========== 页脚 ========== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 40px 20px 24px;
  margin-top: 60px;
  text-align: center;
  font-size: 13px;
}
.footer a { color: rgba(255,255,255,0.7); }
.footer .footer-links { margin-bottom: 14px; }
.footer .footer-links a { margin: 0 12px; }
.footer .beian {
  margin-top: 10px;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}

/* ========== 表单页 ========== */
.auth-wrap {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: linear-gradient(160deg, var(--primary) 0%, #143D66 100%);
}

.auth-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.auth-card h2 {
  font-size: 24px;
  color: var(--primary);
  text-align: center;
  margin-bottom: 8px;
}
.auth-card .auth-sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
}

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: border-color .2s;
  outline: none;
}
.form-group input:focus { border-color: var(--accent); }
.form-group .hint {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}
.form-group .error-msg {
  font-size: 12px;
  color: var(--danger);
  margin-top: 4px;
  display: none;
}
.form-group.has-error input { border-color: var(--danger); }
.form-group.has-error .error-msg { display: block; }

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* ========== 工具页（customers/customs） ========== */
.tool-page {
  padding: 50px 20px 60px;
  max-width: 900px;
  margin: 0 auto;
}

.tool-header {
  text-align: center;
  margin-bottom: 36px;
}
.tool-header h1 {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 10px;
}
.tool-header p {
  color: var(--text-secondary);
  font-size: 15px;
}

.search-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 30px;
}
.search-box .input-row {
  display: flex;
  gap: 12px;
}
.search-box input {
  flex: 1;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  outline: none;
}
.search-box input:focus { border-color: var(--accent); }

.credit-tip {
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
  margin-top: 16px;
}

/* 结果卡片 */
.result-area { margin-top: 20px; }

.loading-box {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-secondary);
}
.spinner {
  width: 42px;
  height: 42px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-box {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-light);
}
.empty-box .icon { font-size: 48px; margin-bottom: 12px; }

.error-box {
  background: #FFF5F5;
  border: 1px solid #FED7D7;
  color: var(--danger);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-top: 16px;
}

.customer-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--accent);
}
.customer-card .c-name {
  font-size: 22px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 16px;
}
.customer-card .c-row {
  display: flex;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 15px;
}
.customer-card .c-row:last-child { border-bottom: none; }
.customer-card .c-label {
  width: 110px;
  flex-shrink: 0;
  color: var(--text-secondary);
  font-weight: 600;
}
.customer-card .c-value { flex: 1; word-break: break-all; }
.customer-card .c-value a { color: var(--accent); font-weight: 600; }

/* 海关条形图 */
.customs-chart {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.customs-chart h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 20px;
}
.bar-row {
  display: flex;
  align-items: center;
  margin-bottom: 14px;
  gap: 12px;
}
.bar-country {
  width: 100px;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}
.bar-track {
  flex: 1;
  height: 28px;
  background: var(--bg);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-lighter), var(--accent));
  border-radius: 6px;
  display: flex;
  align-items: center;
  padding-right: 10px;
  justify-content: flex-end;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  min-width: 60px;
  transition: width .8s ease;
}

.ai-suggest {
  background: linear-gradient(135deg, #FFF8EC, #FFF3D6);
  border: 1px solid #F5C842;
  border-radius: var(--radius);
  padding: 24px;
}
.ai-suggest h3 {
  font-size: 17px;
  color: #B8860B;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ai-suggest .reason {
  font-size: 14px;
  color: var(--text);
  line-height: 1.8;
}

/* ========== 套餐页 ========== */
.pricing-page {
  padding: 60px 20px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 20px;
  align-items: stretch;
}

.price-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
}
.price-card.recommended {
  border: 2px solid var(--accent);
  box-shadow: 0 12px 40px rgba(240,147,43,0.2);
  transform: scale(1.03);
}
.price-card .badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 16px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.price-card h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 14px;
}
.price-card .price {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}
.price-card .price .yuan { font-size: 18px; vertical-align: top; }
.price-card .price-desc {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 20px;
}
.price-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
  flex: 1;
}
.price-card ul li {
  padding: 7px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px dashed var(--border);
}
.price-card ul li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  margin-right: 8px;
}

/* ========== 管理后台 ========== */
.admin-page {
  min-height: calc(100vh - var(--nav-height));
  background: var(--bg);
}

.admin-login-wrap {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: linear-gradient(160deg, var(--primary) 0%, #143D66 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 30px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.stat-card .s-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.stat-card .s-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
}
.stat-card .s-value.accent { color: var(--accent); }

.table-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 40px;
}
.table-section h3 {
  font-size: 18px;
  color: var(--primary);
  margin: 24px 0 14px;
}
.table-wrap {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table th, table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 13px;
}
table tr:last-child td { border-bottom: none; }
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
}
.tag-green { background: #E6F9F0; color: var(--success); }
.tag-orange { background: #FFF0E0; color: var(--accent); }
.tag-red { background: #FFE5E5; color: var(--danger); }
.tag-gray { background: #EEF1F5; color: var(--text-secondary); }

/* ========== Toast ========== */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: all .3s;
  z-index: 9999;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* ========== 响应式 ========== */
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav { padding: 0 16px; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 20px;
    gap: 18px;
    transform: translateY(-120%);
    transition: transform .3s;
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
  }
  .nav-links.open { transform: translateY(0); }
  .hamburger { display: flex; }
  .nav-actions .btn-outline { display: none; }

  .hero { padding: 50px 16px 70px; }
  .hero h1 { font-size: 28px; }
  .hero p.subtitle { font-size: 15px; }
  .hero-visual { gap: 20px; }
  .hero-stat .num { font-size: 24px; }

  .entry-grid { grid-template-columns: 1fr; }
  .entries { margin-top: -30px; }

  .features { padding: 50px 16px; }
  .feature-grid { grid-template-columns: 1fr; }

  .section-title h2 { font-size: 24px; }

  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.recommended { transform: none; }

  .search-box .input-row { flex-direction: column; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card .s-value { font-size: 22px; }

  .bar-country { width: 70px; font-size: 12px; }

  .auth-card { padding: 28px 22px; }
  .tool-page { padding: 30px 16px; }
  .tool-header h1 { font-size: 24px; }
}

/* 筛选条件行 */
.filter-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 14px;
}
.filter-item { display: flex; flex-direction: column; gap: 6px; }
.filter-item label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}
.filter-item select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: #fff;
  font-size: 15px;
  outline: none;
}
.filter-item select option { background: #0B2A4A; color: #fff; }
@media (max-width: 640px) { .filter-row { grid-template-columns: 1fr; } }

/* ===== 获客方式 Tab（浅色背景适配）===== */
.lead-tabs { display:flex; gap:8px; margin-bottom:20px; flex-wrap:wrap; }
.lead-tab { padding:10px 18px; border-radius:10px; background:#f0f2f5; color:#555; cursor:pointer; border:1.5px solid transparent; font-size:14px; transition:all .2s; }
.lead-tab.active { background:#F0932B; color:#fff; border-color:#F0932B; }
.lead-panel { display:none; }
.lead-panel.active { display:block; }
/* 筛选区（浅色背景） */
.field-group { margin-bottom:14px; }
.field-group label { display:block; margin-bottom:6px; font-size:13px; color:#555; font-weight:600; }
.field-group input, .field-group select { width:100%; padding:12px 14px; border-radius:10px; border:1px solid #ddd; background:#fff; color:#333; font-size:15px; outline:none; box-sizing:border-box; }
.field-group select option { background:#fff; color:#333; }
.field-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
@media(max-width:640px){ .field-row{grid-template-columns:1fr;} }
.tip-text { font-size:13px; color:#888; margin-top:10px; }
.credit-tip { font-size:13px; color:#888; text-align:center; margin-top:14px; }
/* 导航登录按钮醒目 */
.nav-actions .btn-outline { background:rgba(255,255,255,0.15) !important; border:1.5px solid rgba(255,255,255,0.6) !important; color:#fff !important; }

.back-btn{display:inline-block;margin-bottom:16px;color:#666;text-decoration:none;font-size:14px;}
.back-btn:hover{color:#F0932B;}