/**
 * [INPUT]: contact-direct.html 中的类名结构
 * [OUTPUT]: 亮色白底黑字高质感 B2B 工业风直连通道响应式网格与卡片交互样式
 * [POS]: Contact 页面及全站可复用直连卡片样式（Light Theme）
 * [PROTOCOL]: 变更时更新此头部，然后检查 CLAUDE.md
 */

.contact-direct {
  background-color: #ffffff;
  color: #111827;
  padding-top: var(--cd-padding-top, 60px);
  padding-bottom: var(--cd-padding-bottom, 60px);
  position: relative;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  border-top: 1px solid #f0f0f0;
}

.contact-direct__container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Badge */
.contact-direct__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 9999px;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1f2937;
  margin-bottom: 20px;
}

.contact-direct__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #111827;
  box-shadow: 0 0 6px rgba(17, 24, 39, 0.3);
}

/* Headings */
.contact-direct__title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #111827;
  margin: 0 0 14px 0;
}

.contact-direct__subtitle {
  font-size: clamp(15px, 1.2vw, 16px);
  line-height: 1.6;
  color: #4b5563;
  max-width: 780px;
  margin: 0 0 40px 0;
  font-weight: 400;
}

/* Grid */
.contact-direct__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .contact-direct__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .contact-direct__grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

/* Cards */
.contact-direct__card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.25s ease;
}

.contact-direct__card:hover {
  transform: translateY(-4px);
  border-color: #111827;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

/* Primary Focus Card (Email) */
.contact-direct__card--primary {
  background: #ffffff;
  border: 1.5px solid #111827;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.contact-direct__card--primary:hover {
  border-color: #000000;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.1);
}

/* Card Header */
.contact-direct__card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.contact-direct__card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111827;
}

.contact-direct__card-icon--wa {
  color: #059669;
  background: #ecfdf5;
}

.contact-direct__card-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #4b5563;
  background: #f3f4f6;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid #e5e7eb;
}

/* Card Content */
.contact-direct__card-title {
  font-size: 20px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 10px 0;
  letter-spacing: -0.01em;
}

.contact-direct__card-desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: #4b5563;
  margin: 0 0 24px 0;
  flex-grow: 1;
}

/* Email Box */
.contact-direct__email-box {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
}

.contact-direct__email-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 15px;
  font-weight: 700;
  color: #111827;
  letter-spacing: -0.01em;
  user-select: all;
  word-break: break-all;
}

.contact-direct__copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  color: #111827;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.contact-direct__copy-btn:hover {
  background: #111827;
  color: #ffffff;
  border-color: #111827;
}

.contact-direct__icon-check {
  display: none;
}

.contact-direct__copy-btn.is-copied .contact-direct__icon-copy {
  display: none;
}

.contact-direct__copy-btn.is-copied .contact-direct__icon-check {
  display: inline-block;
  stroke: #ffffff;
}

.contact-direct__copy-btn.is-copied {
  background: #059669;
  border-color: #059669;
  color: #ffffff;
}

/* Phone & Status Highlight (WhatsApp Card) */
.contact-direct__info-highlight {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-direct__phone-number {
  font-size: 17px;
  font-weight: 700;
  color: #111827;
  letter-spacing: 0.02em;
}

.contact-direct__status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #059669;
  font-weight: 600;
}

.contact-direct__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Feature List (Factory card) */
.contact-direct__feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-direct__feature-list li {
  font-size: 13px;
  line-height: 1.5;
  color: #4b5563;
  padding-left: 14px;
  position: relative;
}

.contact-direct__feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #111827;
}

.contact-direct__feature-list li strong {
  color: #111827;
  font-weight: 700;
}

/* Actions & Buttons */
.contact-direct__actions {
  margin-top: auto;
}

.contact-direct__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
  box-sizing: border-box;
}

/* Solid Black (Primary Action) */
.contact-direct__btn--solid {
  background-color: #111827;
  color: #ffffff;
  border: 1px solid #111827;
}

.contact-direct__btn--solid:hover {
  background-color: #000000;
  border-color: #000000;
  transform: translateY(-1px);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Outline Green (WhatsApp) */
.contact-direct__btn--outline {
  background-color: #f0fdf4;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.contact-direct__btn--outline:hover {
  background-color: #059669;
  color: #ffffff;
  border-color: #059669;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
}

/* Ghost Outline Gray (Factory) */
.contact-direct__btn--ghost {
  background-color: #ffffff;
  color: #111827;
  border: 1px solid #d1d5db;
}

.contact-direct__btn--ghost:hover {
  background-color: #f9fafb;
  border-color: #111827;
  color: #111827;
  transform: translateY(-1px);
}

/* Toast */
.contact-direct__toast {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: #111827;
  color: #ffffff;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10;
  white-space: nowrap;
}

.contact-direct__toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}