/* ============================================
   酒便利官网 - 帮助中心样式
   Design System: Obsidian & Warm Amber
   ============================================ */

/* ===== Help Section ===== */
.help-section {
  padding: var(--space-12) 0 var(--space-24);
  background: var(--color-bg-warm);
}

/* ===== Tab Navigation Cards ===== */
.help-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.help-tab {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 28px 20px;
  background: var(--color-white);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  overflow: hidden;
}
 
.help-tab:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-pale);
}
 

.help-tab.active {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md), 0 8px 32px rgba(212, 165, 116, 0.15);
  transform: translateY(-2px);
}

.help-tab.active::before {
  transform: scaleX(1);
}

.help-tab-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--color-accent);
  background: var(--color-accent-pale);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.help-tab.active .help-tab-icon {
  background: var(--color-accent);
  color: var(--color-white);
}

.help-tab-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 1px;
  transition: color var(--transition-normal);
}

.help-tab.active .help-tab-label {
  color: var(--color-primary);
}

.help-tab-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: 0;
  transition: color var(--transition-normal);
}

.help-tab.active .help-tab-desc {
  color: var(--color-text-muted);
}

/* ===== Layout ===== */
.help-layout {
  min-height: 500px;
}

/* Sidebar Layout (deprecated, keep for compatibility) */
.help-sidebar {
  display: none;
}

/* Right Content */
.help-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 0;
  overflow: hidden;
}

.help-content-inner {
  padding: 48px 56px;
}

.help-content-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  letter-spacing: 3px;
}

.help-content-title-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 32px 56px 24px;
  border-bottom: 1px solid var(--color-border);
}

.help-content-title-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-white);
  background: var(--color-accent);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.help-content-title-text {
  flex: 1;
}

.help-content-title-text h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin: 0;
}

.help-content-title-text p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 4px 0 0;
  letter-spacing: 1px;
}

.help-content-body {
  font-size: 16px;
  color: var(--color-text);
  line-height: 2;
}

.help-content-body p {
  margin-bottom: 20px;
}

.help-content-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 16px 0;
  box-shadow: var(--shadow-sm);
}

.help-content-body a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.help-content-body a:hover {
  color: var(--color-accent);
}

.help-content-body h3,
.help-content-body h4 {
  color: var(--color-primary);
  margin-top: 32px;
  margin-bottom: 16px;
}

.help-content-body ul,
.help-content-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.help-content-body li {
  margin-bottom: 8px;
}

/* Loading skeleton */
.help-loading {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 48px 56px;
}

.help-loading-line {
  height: 16px;
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg-warm) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  animation: shimmer 1.5s ease-in-out infinite;
}

.help-loading-line:nth-child(1) { width: 60%; }
.help-loading-line:nth-child(2) { width: 100%; }
.help-loading-line:nth-child(3) { width: 85%; }
.help-loading-line:nth-child(4) { width: 100%; }
.help-loading-line:nth-child(5) { width: 45%; }

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Empty state */
.help-empty {
  text-align: center;
  padding: 80px 40px;
}

.help-empty-icon {
  font-size: 48px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  opacity: 0.4;
}

.help-empty-text {
  font-size: 16px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

/* Help Sub-pages */
.help-tag {
  display: inline-block;
  background-color: var(--color-accent);
  height: 4px;
  width: 32px;
  border-radius: 2px;
  margin-bottom: 12px;
}

.help-page-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.help-page-subtitle {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.help-divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin: 32px 0;
}

/* Region sections for store locations */
.region-section {
  margin-bottom: 24px;
  padding: 24px 28px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.region-section:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-accent-pale);
}

.region-title {
  font-size: 18px;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 2px;
  padding-left: 14px;
  border-left: 3px solid var(--color-accent);
}

.city-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-left: 17px;
}

.city-tag {
  display: inline-block;
  padding: 7px 18px;
  background-color: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 15px;
  color: var(--color-text);
  transition: all var(--transition-fast);
  cursor: default;
}

.city-tag:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.province-tag {
  background-color: var(--color-accent-pale);
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  font-weight: 600;
}

.province-tag:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* Tips box */
.tips-box {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 32px;
  padding: 24px;
  background: linear-gradient(135deg, var(--color-accent-pale) 0%, #FFF8F0 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-accent-light);
}

.tips-icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
}

.tips-text {
  font-size: 15px;
  color: var(--color-accent-dark);
  line-height: 1.8;
}