/* ============================================
   灵核 · Mentiseek 工业智能报价系统
   样式文件 - 完全匹配官网科技风UI
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: #0A1020;
  color: #B0C4DE;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* --- Particle Canvas --- */
#particleCanvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
  opacity: 0.35;
}

/* --- Nav --- */
.crane-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,16,32,0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,229,255,0.08);
}
.crane-nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 60px;
}
.crane-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.crane-logo-icon { font-size: 1.6rem; }
.crane-logo-text { font-size: 1.2rem; font-weight: 700; color: #fff; letter-spacing: -0.5px; }
.crane-logo-badge {
  font-size: 0.65rem; padding: 2px 8px;
  background: linear-gradient(135deg, rgba(0,229,255,0.15), rgba(157,92,255,0.15));
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 20px; color: #00E5FF; font-weight: 500;
  margin-left: 4px;
}
.crane-nav-right { display: flex; align-items: center; gap: 12px; }
.crane-user-info { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: #B0C4DE; }
.crane-user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, #00E5FF, #9D5CFF);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; color: #fff; font-weight: 700;
}
.crane-user-name { color: #fff; font-weight: 500; }
.crane-user-points { font-size: 0.75rem; color: #5a6a7e; }
.crane-user-points strong { color: #00E5FF; }
.crane-nav-btn {
  padding: 6px 14px; border-radius: 6px;
  font-size: 0.78rem; color: #B0C4DE; text-decoration: none;
  border: 1px solid rgba(0,229,255,0.12);
  transition: all 0.3s;
}
.crane-nav-btn:hover { border-color: rgba(0,229,255,0.3); color: #fff; }
.crane-nav-primary {
  background: linear-gradient(135deg, #00E5FF, #00C8E0);
  color: #0A1020; font-weight: 600; border: none;
}
.crane-nav-primary:hover { box-shadow: 0 0 15px rgba(0,229,255,0.3); }
.crane-nav-out { border-color: rgba(255,71,87,0.3); color: #ff8a8a; }
.crane-nav-back { font-size: 0.75rem; color: #5a6a7e; text-decoration: none; padding: 4px 10px; }
.crane-nav-back:hover { color: #00E5FF; }

/* --- Main --- */
.crane-main { position: static; padding-top: 60px; }

/* --- Hero --- */
.crane-hero {
  position: relative; padding: 80px 24px 60px;
  text-align: center; overflow: hidden;
}
.crane-hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,229,255,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 30% 100%, rgba(157,92,255,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.crane-hero-content { position: relative; max-width: 800px; margin: 0 auto; }
.crane-hero-title {
  font-size: 2.5rem; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #00E5FF, #9D5CFF);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 12px;
}
.crane-hero-sub { font-size: 1.05rem; color: #7a8a9e; margin-bottom: 30px; }
.crane-hero-stats { display: flex; justify-content: center; gap: 40px; }
.crane-stat-item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.crane-stat-num { font-size: 1.2rem; font-weight: 700; color: #00E5FF; }
.crane-stat-label { font-size: 0.75rem; color: #5a6a7e; }

/* --- Sections --- */
.crane-section { padding: 40px 24px 60px; }
.crane-section-inner { max-width: 960px; margin: 0 auto; }

/* --- Glass Card --- */
.glass-card {
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0,229,255,0.08);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

/* --- Form --- */
.crane-form-header { margin-bottom: 28px; }
.crane-form-header h2 { font-size: 1.4rem; color: #fff; margin-bottom: 6px; }
.crane-form-header p { font-size: 0.85rem; color: #5a6a7e; }
.crane-form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }
.crane-form-group { display: flex; flex-direction: column; gap: 6px; }
.crane-form-group label { font-size: 0.8rem; color: #B0C4DE; font-weight: 500; }
.crane-input {
  padding: 10px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(0,229,255,0.12);
  border-radius: 8px;
  color: #fff; font-size: 0.9rem;
  outline: none; transition: all 0.3s;
  font-family: inherit;
}
.crane-input:focus { border-color: #00E5FF; box-shadow: 0 0 10px rgba(0,229,255,0.08); }
.crane-input option { background: #0D1525; color: #fff; }

/* 选择框置顶：确保下拉列表不被遮挡 */
.crane-form-group select { position: relative; z-index: 9999; }
.crane-form-group { position: static; }
.crane-form-row { position: static; }
.glass-card { overflow: visible !important; }
.crane-form-body { overflow: visible !important; }
#craneFormFields { overflow: visible !important; }
.crane-textarea { resize: vertical; min-height: 70px; }

/* 维保承诺框 */
.crane-warranty-box {
  background: rgba(0,255,136,0.04);
  border: 1px solid rgba(0,255,136,0.12);
  border-radius: 8px;
  padding: 12px 16px;
  min-height: 70px;
  box-sizing: border-box;
  font-size: 0.82rem;
  line-height: 1.7;
  color: #8aecb0;
}
.crane-warranty-box p { margin: 4px 0; }
.crane-warranty-box strong { color: #00FF88; }

/* Select 下拉列表修复 */
select.crane-input { z-index: auto; }

/* ========== 问号图标 + 悬浮提示 ========== */
.crane-tip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 11px;
  cursor: pointer;
  margin-left: 4px;
  vertical-align: middle;
  position: relative;
  opacity: 0.6;
  transition: opacity 0.2s;
  user-select: none;
}
.crane-tip-icon:hover {
  opacity: 1;
}
.crane-tip-icon::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #0D1525;
  border: 1px solid rgba(0,229,255,0.2);
  color: #B0C4DE;
  font-size: 0.75rem;
  line-height: 1.5;
  padding: 8px 12px;
  border-radius: 8px;
  white-space: normal;
  width: 260px;
  text-align: left;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s;
  z-index: 9999;
  font-style: normal;
  font-weight: 400;
}
.crane-tip-icon:hover::after {
  opacity: 1;
}

/* 自定义输入框 */
.crane-custom-input {
  font-size: 0.82rem !important;
  padding: 6px 10px !important;
  border-radius: 6px !important;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.crane-options-group { grid-column: span 2; }
.crane-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
  margin-top: 4px;
}
.crane-option-item {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(0,229,255,0.08);
  border-radius: 6px;
  cursor: pointer; font-size: 0.8rem; color: #B0C4DE;
  transition: all 0.2s;
}
.crane-option-item:hover { border-color: rgba(0,229,255,0.2); background: rgba(0,229,255,0.04); }
.crane-option-item input[type="checkbox"] { accent-color: #00E5FF; }

.crane-form-actions {
  display: flex; gap: 12px; justify-content: center;
  margin-top: 28px; flex-wrap: wrap;
}

/* --- Buttons --- */
.crane-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px;
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.3s;
  text-decoration: none;
}
.crane-btn-primary {
  background: linear-gradient(135deg, #00E5FF, #00C8E0);
  color: #0A1020;
}
.crane-btn-primary:hover {
  box-shadow: 0 0 25px rgba(0,229,255,0.3);
  transform: translateY(-2px);
}
.crane-btn-primary:disabled {
  opacity: 0.5; cursor: not-allowed; transform: none;
}
.crane-btn-secondary {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(0,229,255,0.12);
  color: #B0C4DE;
}
.crane-btn-secondary:hover { border-color: rgba(0,229,255,0.3); color: #fff; }
.crane-btn-outline {
  background: transparent;
  border: 1px solid rgba(0,229,255,0.15);
  color: #B0C4DE;
}
.crane-btn-outline:hover { border-color: rgba(0,229,255,0.3); color: #fff; }

/* --- Loading --- */
.crane-loading {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10,16,32,0.85);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
}
.crane-loading-content { text-align: center; }
.crane-loading-spinner {
  width: 60px; height: 60px; margin: 0 auto 20px;
  border: 3px solid rgba(0,229,255,0.1);
  border-top-color: #00E5FF;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.crane-loading-content h3 { font-size: 1.1rem; color: #fff; margin-bottom: 8px; }
.crane-loading-content p { font-size: 0.85rem; color: #5a6a7e; }
.crane-loading-bar {
  width: 240px; height: 4px; margin: 20px auto 0;
  background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden;
}
.crane-loading-progress {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, #00E5FF, #9D5CFF);
  border-radius: 2px; animation: progressAnim 2s ease forwards;
}
@keyframes progressAnim { to { width: 95%; } }

/* --- Results --- */
.crane-result-card { animation: fadeUp 0.5s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.crane-result-header { margin-bottom: 20px; }
.crane-result-title-row { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.crane-result-title-row h2 { font-size: 1.4rem; color: #fff; }
.crane-result-badge {
  padding: 3px 10px; border-radius: 20px;
  font-size: 0.7rem; font-weight: 600;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(157,92,255,0.12));
  border: 1px solid rgba(0,229,255,0.15);
  color: #00E5FF;
}
.crane-result-header p { font-size: 0.8rem; color: #5a6a7e; }
.crane-param-review {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 24px;
}
.crane-param-tag {
  padding: 5px 12px; border-radius: 20px;
  background: rgba(0,229,255,0.06);
  border: 1px solid rgba(0,229,255,0.1);
  font-size: 0.8rem; color: #B0C4DE;
}
.crane-result-section { margin-bottom: 24px; }
.crane-result-section h3 { font-size: 1rem; color: #00E5FF; margin-bottom: 12px; }
.crane-cost-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.crane-cost-item {
  padding: 12px; text-align: center;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(0,229,255,0.06);
  border-radius: 8px;
}
.crane-cost-item .cost-name { font-size: 0.75rem; color: #5a6a7e; margin-bottom: 4px; }
.crane-cost-item .cost-amount { font-size: 1rem; font-weight: 700; color: #fff; }

/* Price Table */
.crane-price-table {
  border: 1px solid rgba(0,229,255,0.08);
  border-radius: 10px; overflow: hidden;
}
.crane-price-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(0,229,255,0.04);
}
.crane-price-row:last-child { border-bottom: none; }
.crane-price-label { font-size: 0.85rem; color: #B0C4DE; }
.crane-price-value { font-size: 1rem; font-weight: 600; color: #fff; }
.crane-price-highlight { color: #00E5FF; }
.crane-price-final { background: rgba(0,229,255,0.04); }
.crane-price-big { font-size: 1.5rem; color: #00FF88; font-weight: 800; }

.crane-profit-info {
  display: flex; gap: 24px; margin-top: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.02);
  border-radius: 8px; font-size: 0.8rem; color: #5a6a7e; flex-wrap: wrap;
}
.crane-profit-info strong { color: #B0C4DE; }

.crane-result-actions {
  display: flex; gap: 12px; justify-content: center;
  flex-wrap: wrap; margin-top: 28px;
}

/* --- Toast --- */
.crane-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 999;
  padding: 10px 20px; border-radius: 8px;
  font-size: 0.85rem; color: #fff;
  background: rgba(10,16,32,0.92);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,229,255,0.15);
  display: none; white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.crane-toast.show { display: block; animation: toastIn 0.3s ease; }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
.crane-toast.success { border-color: rgba(0,255,136,0.3); }
.crane-toast.error { border-color: rgba(255,71,87,0.3); }

/* --- Footer --- */
.crane-footer {
  position: relative; z-index: 1;
  text-align: center; padding: 30px 24px;
  border-top: 1px solid rgba(0,229,255,0.04);
}
.crane-footer-inner p { font-size: 0.75rem; color: #3a4a5e; margin: 2px 0; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .crane-nav-inner { padding: 0 16px; }
  .crane-logo-text { display: none; }
  .crane-logo-badge { font-size: 0.6rem; }
  .crane-user-name { display: none; }
  .crane-user-points { display: none; }
  .crane-nav-back { display: none; }
  .crane-hero-title { font-size: 1.6rem; }
  .crane-hero-sub { font-size: 0.85rem; }
  .crane-hero-stats { gap: 20px; }
  .crane-form-row { grid-template-columns: 1fr; }
  .crane-options-group { grid-column: span 1; }
  .crane-form-actions { flex-direction: column; }
  .crane-btn { justify-content: center; }
  .glass-card { padding: 1.2rem; }
  .crane-price-big { font-size: 1.2rem; }
}

@media (max-width: 480px) {
  .crane-hero { padding: 60px 16px 40px; }
  .crane-section { padding: 24px 16px; }
  .crane-stat-item:last-child { display: none; }
}