/* ============================================
   OpenClaw Product Page Styles
   SillyMD — 傻福虾盘 Product Detail Page
   ============================================ */

/* ========== Design Tokens ========== */
:root {
  --oc-primary: #4F6EF7;
  --oc-primary-dark: #3B55D9;
  --oc-text: #1A1A2E;
  --oc-text-secondary: #4A4A68;
  --oc-text-light: #8A8AA8;
  --oc-bg: #FFFFFF;
  --oc-bg-alt: #F8FAFC;
  --oc-border: rgba(79, 110, 247, 0.1);
  --oc-border-red: rgba(229, 57, 53, 0.15);
  --oc-border-cyan: rgba(0, 188, 212, 0.15);
  --oc-radius: 16px;
  --oc-radius-sm: 12px;
  --oc-padding: 28px;
  --oc-padding-sm: 20px;
  --oc-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --oc-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --oc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== Section ========== */
.oc-section {
  padding: 60px 20px;
  background: var(--oc-bg);
}
.oc-section-alt {
  background: var(--oc-bg-alt);
}
.oc-section-header {
  text-align: center;
  margin-bottom: 40px;
}
.oc-section-header h2 {
  font-size: 2rem;
  color: var(--oc-text);
  margin-bottom: 8px;
  font-weight: 700;
}
.oc-section-header h2 i {
  color: var(--oc-primary);
  margin-right: 6px;
}
.oc-section-header p {
  color: var(--oc-text-light);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ========== Card Base ========== */
.oc-card {
  background: var(--oc-bg);
  border-radius: var(--oc-radius);
  padding: var(--oc-padding);
  border: 1px solid var(--oc-border);
  transition: var(--oc-transition);
}
.oc-card:hover {
  box-shadow: var(--oc-shadow-hover);
  transform: translateY(-2px);
}
/* Color variants */
.oc-card-red {
  border-color: var(--oc-border-red);
}
.oc-card-cyan {
  border-color: var(--oc-border-cyan);
}
.oc-card-green {
  border-color: rgba(76, 175, 80, 0.15);
}
.oc-card-orange {
  border-color: rgba(255, 152, 0, 0.15);
}
.oc-card-purple {
  border-color: rgba(156, 39, 176, 0.15);
}
/* Card with centered text */
.oc-card-center {
  text-align: center;
}
.oc-card-center .oc-card-body {
  text-align: center;
}
/* Card body text */
.oc-card-body h3 {
  font-size: 1.15rem;
  color: var(--oc-text);
  margin-bottom: 8px;
}
.oc-card-body p {
  color: var(--oc-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ========== Icon Containers ========== */
.oc-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  flex-shrink: 0;
}
.oc-icon-square {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}
.oc-icon-circle-sm {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.oc-icon-mode {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  color: #fff;
}

/* ========== Grid System ========== */
.oc-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.oc-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.oc-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.oc-grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.oc-grid-2-sm {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ========== Agent Card Layout ========== */
.oc-agent-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

/* ========== Specs Table ========== */
.oc-specs-table {
  max-width: 700px;
  margin: 0 auto;
  border: 1px solid var(--oc-border);
  border-radius: var(--oc-radius-sm);
  overflow: hidden;
}
.oc-specs-table-wide {
  max-width: 800px;
}
.oc-spec-row {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--oc-border);
  gap: 12px;
}
.oc-spec-row:last-child {
  border-bottom: none;
}
.oc-spec-row .oc-spec-label {
  min-width: 100px;
  font-size: 0.82rem;
  color: var(--oc-text-light);
  flex-shrink: 0;
}
.oc-spec-row .oc-spec-value {
  flex: 1;
  color: var(--oc-text-secondary);
  font-size: 0.9rem;
}
.oc-spec-row .oc-spec-action {
  font-size: 0.8rem;
  color: var(--oc-primary);
  white-space: nowrap;
  margin-left: auto;
}

/* ========== Showcase Layout ========== */
.oc-showcase-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.oc-showcase-image {
  border-radius: var(--oc-radius);
  overflow: hidden;
  background: var(--oc-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}
.oc-showcase-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.oc-showcase-text h3 {
  font-size: 1.5rem;
  color: var(--oc-text);
  margin-bottom: 12px;
}
.oc-showcase-text p {
  color: var(--oc-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.oc-showcase-list {
  list-style: none;
  padding: 0;
}
.oc-showcase-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--oc-text-secondary);
  font-size: 0.95rem;
}
.oc-showcase-list li i {
  color: #10b981;
  width: 20px;
  text-align: center;
}

/* ========== Photo Card ========== */
.oc-photo-card {
  border-radius: var(--oc-radius);
  overflow: hidden;
  background: var(--oc-bg);
  border: 1px solid var(--oc-border);
}
.oc-photo-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.oc-photo-caption {
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--oc-text-secondary);
  text-align: center;
}

/* ========== Workflow ========== */
.oc-workflow {
  max-width: 600px;
  margin: 32px auto 0;
  background: var(--oc-bg);
  border-radius: var(--oc-radius-sm);
  padding: var(--oc-padding-sm);
  border: 1px solid var(--oc-border);
}
.oc-workflow-title {
  font-weight: 600;
  color: var(--oc-text);
  margin-bottom: 12px;
  text-align: center;
}
.oc-workflow-steps {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.oc-workflow-step {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: #fff;
  white-space: nowrap;
}
.oc-workflow-step-1 {
  background: var(--oc-primary);
  background: linear-gradient(135deg, #4F6EF7, #6C5CE7);
}
.oc-workflow-step-2 {
  background: #FF9800;
}
.oc-workflow-step-3 {
  background: #4CAF50;
}
.oc-workflow-arrow {
  color: var(--oc-text-light);
  display: flex;
  align-items: center;
}
/* Hide arrows on mobile wrap */
@media (max-width: 600px) {
  .oc-workflow-steps {
    flex-direction: column;
  }
  .oc-workflow-arrow {
    transform: rotate(90deg);
  }
}

/* ========== Defect Card ========== */
.oc-defect-card {
  background: var(--oc-bg);
  border-radius: var(--oc-radius-sm);
  padding: var(--oc-padding-sm);
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid var(--oc-border-red);
}

/* ========== Use Case Card ========== */
.oc-use-case-card {
  background: var(--oc-bg);
  border-radius: var(--oc-radius-sm);
  padding: var(--oc-padding-sm);
  display: flex;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--oc-border);
}

/* ========== Color Dot ========== */
.oc-color-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* ========== Gallery ========== */
.oc-gallery {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.oc-gallery-main {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  border-radius: var(--oc-radius);
  overflow: hidden;
  background: linear-gradient(135deg, #F8FAFC, #EFF6FF);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--oc-border);
}
.oc-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.3s;
}
.oc-gallery-thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.oc-gallery-thumb {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--oc-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.oc-gallery-thumb:hover {
  border-color: var(--oc-primary);
}
.oc-gallery-thumb.active {
  border-color: var(--oc-primary);
  box-shadow: 0 0 0 2px rgba(79, 110, 247, 0.2);
}
.oc-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ========== Sticky Navigation ========== */
.oc-sticky-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--oc-border);
  padding: 0 20px;
  display: none;
}
.oc-sticky-nav.oc-sticky-nav-visible {
  display: block;
}
.oc-sticky-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 8px 0;
}
.oc-sticky-nav-inner::-webkit-scrollbar {
  display: none;
}
.oc-sticky-nav-link {
  padding: 8px 14px;
  font-size: 0.85rem;
  color: var(--oc-text-secondary);
  text-decoration: none;
  border-radius: 8px;
  white-space: nowrap;
  transition: var(--oc-transition);
  flex-shrink: 0;
}
.oc-sticky-nav-link:hover {
  background: var(--oc-bg-alt);
  color: var(--oc-primary);
}
.oc-sticky-nav-buy {
  margin-left: auto;
  background: var(--oc-primary);
  color: #fff !important;
  font-weight: 600;
  padding: 8px 20px;
}
.oc-sticky-nav-buy:hover {
  background: var(--oc-primary-dark) !important;
  color: #fff !important;
}

/* ========== Sticky Purchase Bar ========== */
.oc-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--oc-border);
  padding: 12px 20px;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}
.oc-sticky-bar.oc-sticky-bar-visible {
  transform: translateY(0);
}
.oc-sticky-bar-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.oc-sticky-bar-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.oc-sticky-bar-name {
  font-size: 0.9rem;
  color: var(--oc-text-secondary);
}
.oc-sticky-bar-variant {
  font-size: 0.8rem;
  color: var(--oc-text-light);
}
.oc-sticky-bar-price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--oc-primary);
}
.oc-sticky-bar-btn {
  padding: 10px 28px;
  background: var(--oc-primary);
  color: #fff;
  border: none;
  border-radius: var(--oc-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--oc-transition);
  white-space: nowrap;
}
.oc-sticky-bar-btn:hover {
  background: var(--oc-primary-dark);
  transform: translateY(-1px);
}

/* ========== Responsive Breakpoints ========== */
@media (max-width: 900px) {
  .oc-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .oc-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .oc-showcase-grid {
    grid-template-columns: 1fr;
  }
  .oc-gallery-thumb {
    width: 52px;
    height: 52px;
  }
  .oc-section {
    padding: 40px 16px;
  }
  .oc-section-header h2 {
    font-size: 1.6rem;
  }
  .oc-sticky-nav {
    padding: 0 12px;
  }
}

@media (max-width: 640px) {
  .oc-spec-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 16px;
  }
  .oc-spec-row .oc-spec-label {
    min-width: auto;
  }
  .oc-grid-2-sm {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .oc-grid-2,
  .oc-grid-3,
  .oc-grid-4 {
    grid-template-columns: 1fr;
  }
  .oc-section-header h2 {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .oc-sticky-nav {
    display: none !important;
  }
  .oc-sticky-bar {
    display: none !important;
  }
  .oc-gallery-thumb {
    width: 44px;
    height: 44px;
  }
  .oc-hero-actions .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
  }
}