/* ========== AI建站页面全局样式 ========== */
.ai-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.ai-section {
  padding: 100px 0;
}

.ai-section-white {
  background: #fff;
}

.ai-section-gradient {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.ai-section-dark {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
}

.ai-section-dark .ai-section-title,
.ai-section-dark .ai-section-sub {
  color: #fff;
}

.ai-section-cta {
  background: linear-gradient(135deg, #1d56ff 0%, #0d3dcc 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

/* 区域标题 */
.ai-section-header {
  text-align: center;
  margin-bottom: 64px;
}

.ai-section-tag {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(29, 86, 255, 0.1);
  color: #1d56ff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 30px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.ai-section-title {
  font-size: 36px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 12px;
  line-height: 1.3;
}

.ai-section-sub {
  font-size: 16px;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== Hero区域 ========== */
.ai-hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #1d56ff 160%);
  color: #fff;
  text-align: center;
}

.ai-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 20% 30%, rgba(29, 86, 255, 0.15) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(74, 140, 255, 0.1) 0%, transparent 50%);
  z-index: 0;
}

.ai-hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.ai-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 30px;
  font-size: 14px;
  color: #e2e8f0;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.ai-hero-badge-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: ai-pulse 2s infinite;
}

@keyframes ai-pulse {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: .4
  }
}

.ai-hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.ai-hero-highlight {
  background: linear-gradient(120deg, #60a5fa 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ai-hero-desc {
  font-size: 18px;
  color: #94a3b8;
  line-height: 1.8;
  margin-bottom: 36px;
}

.ai-hero-desc strong {
  color: #fff;
}

.ai-hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.ai-hero-btn {
  padding: 16px 36px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.ai-hero-btn-primary {
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(29, 86, 255, 0.35);
}

.ai-hero-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(29, 86, 255, 0.5);
}

.ai-hero-btn-secondary {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.ai-hero-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
}

.ai-hero-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}

.ai-hero-stat-num {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
}

.ai-hero-stat-label {
  font-size: 14px;
  color: #94a3b8;
}

/* ========== 服务概览 ========== */
.ai-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ai-overview-card {
  background: #fff;
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  border: 1px solid #f1f5f9;
  transition: all 0.35s ease;
}

.ai-overview-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(29, 86, 255, 0.1);
  border-color: #e0e7ff;
}

.ai-overview-card-main {
  grid-column: span 1;
}

.ai-overview-visual {
  margin-bottom: 20px;
}

.ai-overview-icon-bg {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  color: #fff;
}

.ai-overview-icon-bg-green {
  background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.ai-overview-icon-bg-purple {
  background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
}

.ai-overview-icon-bg-orange {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

.ai-overview-icon-bg-cyan {
  background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);
}

.ai-overview-icon-bg-pink {
  background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
}

.ai-overview-icon {
  width: 32px;
  height: 32px;
}

.ai-overview-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 10px;
}

.ai-overview-card-desc {
  font-size: 14px;
  color: #64748b;
  line-height: 1.7;
}

.ai-overview-card-tip {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.5;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px dashed #e2e8f0;
}

/* ========== 套餐 ========== */
.ai-package-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
}

.ai-package-card {
  background: #fff;
  border-radius: 20px;
  padding: 36px 28px;
  border: 1px solid #e2e8f0;
  transition: all 0.35s ease;
  position: relative;
}

.ai-package-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 48px rgba(29, 86, 255, 0.12);
  border-color: #c7d2fe;
}

.ai-package-card-hot {
  border: 2px solid #1d56ff;
  box-shadow: 0 8px 24px rgba(29, 86, 255, 0.15);
  transform: scale(1.02);
}

.ai-package-card-hot:hover {
  transform: scale(1.04) translateY(-6px);
  box-shadow: 0 24px 56px rgba(29, 86, 255, 0.2);
}

.ai-package-hot-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
  padding: 5px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(29, 86, 255, 0.3);
}

.ai-package-header {
  text-align: center;
  margin-bottom: 28px;
}

.ai-package-name {
  font-size: 22px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 12px;
}

.ai-package-price {
  margin-bottom: 12px;
}

.ai-package-price-num {
  font-size: 44px;
  font-weight: 800;
  color: #1d56ff;
}

.ai-package-price-unit {
  font-size: 15px;
  color: #64748b;
  margin-left: 4px;
}

.ai-package-desc {
  font-size: 14px;
  color: #94a3b8;
}

.ai-package-tip-small {
  font-size: 12px;
  color: #1d56ff;
  margin-top: 8px;
  font-weight: 500;
}

.ai-package-note {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed #334155;
  line-height: 1.5;
}

.ai-package-domain-note {
  font-size: 11px;
  color: #64748b;
  margin-top: 8px;
  line-height: 1.5;
}

.ai-link {
  color: #1d56ff;
  text-decoration: underline;
  transition: color 0.2s;
}

.ai-link:hover {
  color: #0f42d1;
}

.ai-package-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.ai-package-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: #475569;
  line-height: 1.5;
}

.ai-package-list li svg {
  width: 18px;
  height: 18px;
  color: #1d56ff;
  flex-shrink: 0;
  margin-top: 1px;
}

.ai-package-tip {
  font-size: 13px;
  color: #f59e0b;
  margin-bottom: 20px;
  line-height: 1.6;
  text-align: center;
}

.ai-package-btn {
  width: 100%;
  padding: 14px;
  background: #f1f5f9;
  color: #475569;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.ai-package-btn:hover {
  background: #e2e8f0;
  transform: scale(1.02);
}

.ai-package-btn-primary {
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(29, 86, 255, 0.3);
}

.ai-package-btn-primary:hover {
  box-shadow: 0 6px 20px rgba(29, 86, 255, 0.45);
}

/* ========== 需求场景 ========== */
.ai-scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ai-scenario-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  transition: all 0.35s ease;
}

.ai-scenario-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.ai-scenario-icon {
  width: 56px;
  height: 56px;
  background: rgba(29, 86, 255, 0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: #60a5fa;
}

.ai-scenario-icon svg {
  width: 28px;
  height: 28px;
}

.ai-scenario-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #f1f5f9;
}

.ai-scenario-card p {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 16px;
}

.ai-scenario-tag {
  display: inline-block;
  background: rgba(29, 86, 255, 0.15);
  color: #60a5fa;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 20px;
}

.ai-scenario-tip {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.5;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

/* ========== 服务流程 ========== */
.ai-process-timeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.ai-process-step {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid #f1f5f9;
  flex: 1;
  min-width: 220px;
  max-width: 280px;
  transition: all 0.35s ease;
}

.ai-process-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(29, 86, 255, 0.08);
  border-color: #e0e7ff;
}

.ai-process-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
}

.ai-process-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
}

.ai-process-content p {
  font-size: 14px;
  color: #64748b;
  line-height: 1.6;
}

.ai-process-arrow {
  color: #cbd5e1;
  flex-shrink: 0;
}

.ai-process-arrow svg {
  width: 24px;
  height: 24px;
}

/* ========== 功能对比 ========== */
.ai-compare-note {
  text-align: center;
  font-size: 14px;
  color: #1d56ff;
  margin-bottom: 20px;
  font-weight: 500;
}

.ai-compare-wrap {
  overflow-x: auto;
}

.ai-compare-table {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  border: 1px solid #f1f5f9;
}

.ai-compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  align-items: center;
}

.ai-compare-header {
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
}

.ai-compare-header .ai-compare-cell {
  padding: 20px 16px;
  font-weight: 600;
  border: none;
}

.ai-compare-cell {
  padding: 16px;
  text-align: center;
  font-size: 14px;
  color: #475569;
  border-bottom: 1px solid #f1f5f9;
}

.ai-compare-feature {
  text-align: left;
  font-weight: 600;
  color: #0f172a;
  padding-left: 24px;
}

.ai-compare-cell .ai-compare-plan,
.ai-compare-cell .ai-compare-price,
.ai-compare-header .ai-compare-feature {
  color: #fff;
}

.ai-compare-plan {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.ai-compare-price {
  font-size: 13px;
  opacity: 0.9;
}

.ai-compare-highlight {
  background: rgba(29, 86, 255, 0.03);
}

.ai-compare-footer .ai-compare-cell {
  padding: 20px 16px;
  border-bottom: none;
}

.ai-compare-btn {
  padding: 10px 24px;
  background: #f1f5f9;
  color: #475569;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.ai-compare-btn:hover {
  background: #e2e8f0;
}

.ai-compare-btn-primary {
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
}

.ai-compare-btn-primary:hover {
  box-shadow: 0 4px 12px rgba(29, 86, 255, 0.3);
}

/* ========== 客户评价 ========== */
.ai-review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ai-review-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid #f1f5f9;
  transition: all 0.35s ease;
}

.ai-review-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(29, 86, 255, 0.1);
}

.ai-review-stars {
  color: #fbbf24;
  font-size: 16px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.ai-review-text {
  font-size: 15px;
  color: #475569;
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.ai-review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-review-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
}

.ai-review-name {
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
}

.ai-review-role {
  font-size: 13px;
  color: #94a3b8;
}

/* ========== 服务保障 ========== */
.ai-guarantee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ai-guarantee-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  transition: all 0.35s ease;
}

.ai-guarantee-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.ai-guarantee-icon {
  width: 56px;
  height: 56px;
  background: rgba(29, 86, 255, 0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: #60a5fa;
}

.ai-guarantee-icon svg {
  width: 28px;
  height: 28px;
}

.ai-guarantee-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #f1f5f9;
}

.ai-guarantee-card p {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.7;
}

/* ========== FAQ ========== */
.ai-faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.ai-faq-item {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 12px;
  border: 1px solid #f1f5f9;
  transition: all 0.3s ease;
}

.ai-faq-item:hover {
  box-shadow: 0 4px 16px rgba(29, 86, 255, 0.06);
  border-color: #e0e7ff;
}

.ai-faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 600;
  color: #0f172a;
  line-height: 1.5;
}

.ai-faq-q-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.ai-faq-a {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: #64748b;
  line-height: 1.7;
}

.ai-faq-a-icon {
  width: 28px;
  height: 28px;
  background: #f1f5f9;
  color: #64748b;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ========== CTA ========== */
.ai-cta-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}

.ai-cta-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

.ai-cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.ai-cta-btn {
  padding: 16px 48px;
  background: #fff;
  color: #1d56ff;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.ai-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.ai-cta-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.ai-cta-divider {
  opacity: 0.4;
}

/* ========== 配置表单（保留原有） ========== */
.config-form-container {
  display: none;
  margin: 40px 0;
  padding: 20px;
  background: #F8FAFF;
  border-radius: 12px;
}

.config-form-container .container {
  max-width: 800px;
  margin: 0 auto;
}

.config-form-container .title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 10px;
  color: #165DFF;
  font-weight: 600;
}

.config-form-container .sub-title {
  text-align: center;
  color: #6B7280;
  margin-bottom: 20px;
}

.config-form-container .tips {
  color: #F59E0B;
  margin-bottom: 25px;
  text-align: center;
}

.config-form-container .step-title {
  font-size: 22px;
  margin-bottom: 15px;
  font-weight: bold;
  color: #165DFF;
}

.config-form-container .config-warning {
  background: #f3f4f6;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13px;
  color: #6B7280;
  margin-bottom: 25px;
  border-left: 3px solid #9CA3AF;
  line-height: 1.6;
}

.config-form-container .form-item {
  width: 100%;
  margin-bottom: 20px;
}

.config-form-container .form-item label {
  display: block;
  margin-bottom: 10px;
  font-size: 16px;
  color: #1F2937;
}

.config-form-container .form-item input,
.config-form-container .form-item select,
.config-form-container .form-item textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 6px;
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  color: #1F2937;
  font-size: 15px;
}

.config-form-container .form-item input:focus,
.config-form-container .form-item select:focus,
.config-form-container .form-item textarea:focus {
  border-color: #165DFF;
  box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.1);
  outline: none;
}

.config-form-container .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.config-form-container .form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.config-form-container .btn-primary {
  width: 100%;
  padding: 14px;
  background: #165DFF;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.config-form-container .btn-primary:hover {
  background: #0D47A1;
}

.config-form-container .btn-primary:disabled {
  background: #E5E7EB;
  cursor: not-allowed;
  color: #9CA3AF;
}

.config-form-container .option-row {
  display: flex;
  gap: 30px;
  margin-top: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.config-form-container .option-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: #4B5563;
  cursor: pointer;
}

.config-form-container .option-item input {
  width: auto;
  margin: 0;
}

.config-form-container .upload-btn {
  padding: 10px 20px;
  background: #F0F7FF;
  color: #165DFF;
  border: 1px solid #165DFF;
  border-radius: 6px;
  cursor: pointer;
}

.config-form-container .upload-btn:hover {
  background: #E0EFFF;
}

.config-form-container .upload-input {
  display: none;
}

.config-form-container .custom-input {
  width: 100%;
  margin-top: 10px;
  padding: 12px 15px;
  border-radius: 6px;
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  color: #1F2937;
  display: none;
}

.config-form-container .color-panel-wrap {
  width: 100%;
  margin-top: 10px;
  display: none;
  flex-direction: column;
  gap: 10px;
}

.config-form-container .color-tip-text {
  font-size: 13px;
  color: #165DFF;
  margin-bottom: 5px;
}

.config-form-container .color-panel {
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.config-form-container .color-grid {
  display: grid;
  grid-template-columns: repeat(18, 22px);
  grid-template-rows: repeat(8, 22px);
  gap: 1px;
}

.config-form-container .color-cell {
  width: 22px;
  height: 22px;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all 0.2s ease;
}

.config-form-container .color-cell:hover {
  border: 2px solid #165DFF;
  box-sizing: border-box;
}

.config-form-container .color-cell.active {
  border: 2px solid #165DFF;
  box-sizing: border-box;
  box-shadow: 0 0 8px rgba(22, 93, 255, 0.3);
}

.config-form-container .color-slider-area {
  background: linear-gradient(to right, #ff0000, #ff9900, #ffff00, #33ff00, #00ff00, #00ffff, #0099ff, #0000ff, #9900ff, #ff00ff);
  height: 32px;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.config-form-container .color-slider {
  width: 12px;
  height: 32px;
  background: #fff;
  border: 1px solid #165DFF;
  position: absolute;
  left: 50%;
  top: 0;
  cursor: move;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
  z-index: 2;
}

.config-form-container .color-code-wrap {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
}

.config-form-container .color-preview-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 8px;
  opacity: 0.25;
  z-index: 0;
  pointer-events: none;
}

.config-form-container .color-code-display {
  flex: 1;
  padding: 12px 15px;
  border-radius: 8px;
  background: #F9FAFB !important;
  border: 1px solid #E5E7EB;
  color: #1F2937;
  text-align: center;
  font-family: monospace;
  font-size: 16px;
  position: relative;
  z-index: 1;
}

.config-form-container .selected-color-preview {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  border: 2px solid #165DFF;
  background: #165DFF;
  flex-shrink: 0;
}

.config-form-container .scene {
  display: block;
}

.config-form-container .scene.hide {
  display: none !important;
}

.config-form-container .step {
  display: none;
}

.config-form-container .step.active {
  display: block !important;
}

.config-form-container .module-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 10px;
}

.config-form-container .module-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #F9FAFB;
  padding: 8px 15px;
  border-radius: 6px;
  border: 1px solid #E5E7EB;
}

.config-form-container .module-checkbox input {
  width: auto;
  margin: 0;
}

.config-form-container .module-label {
  font-size: 14px;
  color: #4B5563;
}

.config-form-container .divider {
  height: 1px;
  background: #E5E7EB;
  margin: 30px 0;
}

.config-form-container .input-group {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.config-form-container .input-group input {
  flex: 1;
}

.config-form-container .pkg2-only {
  display: none;
}

.config-form-container .pkg3-only {
  display: none;
}

.result-box {
  margin-top: 30px;
  padding: 28px;
  background: #F0F7FF;
  border-radius: 12px;
  line-height: 1.8;
  font-size: 15px;
  white-space: pre-wrap;
  border: 1px solid #E0EFFF;
  color: #1F2937;
  display: none;
}

.result-title {
  color: #165DFF;
  font-weight: bold;
  margin-bottom: 15px;
  font-size: 18px;
}

.result-pkg {
  border-left: 4px solid #165DFF;
  padding-left: 15px;
  margin: 15px 0;
  background: #E0EFFF;
  border-radius: 8px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.footer-desc {
  margin-top: 40px;
  text-align: center;
  color: #6B7280;
  font-size: 13px;
  line-height: 1.8;
}

#configFormContainer .form-item .AI-index {
  color: #ff0000;
}

.tip {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 6px;
}

/* ========== 侧边锚点导航 ========== */
.ai-side-nav {
  display: none;
  position: fixed;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  width: 130px;
}

.ai-side-nav-inner {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 16px 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.ai-side-nav-title {
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
  text-align: center;
  letter-spacing: 1px;
}

.ai-side-nav-divider {
  height: 1px;
  background: repeating-linear-gradient(90deg, transparent, transparent 4px, #e2e8f0 4px, #e2e8f0 8px);
  margin: 12px 16px;
}

.ai-side-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ai-side-nav-list li {
  margin: 0;
}

.ai-side-nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 13px;
  color: #64748b;
  text-decoration: none;
  transition: all 0.25s ease;
  border-left: 3px solid transparent;
  position: relative;
}

.ai-side-nav-link:hover {
  color: #1d56ff;
  background: rgba(29, 86, 255, 0.04);
}

.ai-side-nav-link.active {
  color: #1d56ff;
  background: rgba(29, 86, 255, 0.06);
  border-left-color: #1d56ff;
  font-weight: 600;
}

/* ========== 右侧联系面板 ========== */
.ai-contact-panel {
  display: none;
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  width: 160px;
}

.ai-contact-inner {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.ai-contact-title {
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
  text-align: center;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.ai-contact-divider {
  height: 1px;
  background: repeating-linear-gradient(90deg, transparent, transparent 4px, #e2e8f0 4px, #e2e8f0 8px);
  margin: 12px 0;
}

.ai-contact-list {
  margin-bottom: 0;
}

.ai-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 13px;
  color: #64748b;
}

.ai-contact-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.ai-contact-text {
  word-break: break-all;
  line-height: 1.4;
}

.ai-contact-btn {
  display: block;
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, #1d56ff 0%, #4a8cff 100%);
  color: #fff;
  text-align: center;
  text-decoration: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.ai-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(29, 86, 255, 0.35);
}

/* ========== 响应式 ========== */
@media (min-width: 1400px) {
  .ai-side-nav {
    display: block;
  }

  .ai-contact-panel {
    display: block;
  }
}

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

  .ai-overview-card-main {
    grid-column: span 2;
  }

  .ai-package-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
  }

  .ai-package-card-hot {
    transform: scale(1);
  }

  .ai-scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-guarantee-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-process-timeline {
    flex-direction: column;
  }

  .ai-process-arrow {
    transform: rotate(90deg);
  }

  .ai-hero-title {
    font-size: 40px;
  }

  .ai-hero-stats {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .ai-section {
    padding: 50px 0;
  }

  .ai-container {
    padding: 0 16px;
  }

  .ai-section-header {
    margin-bottom: 40px;
  }

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

  .ai-section-sub {
    font-size: 14px;
  }

  .ai-hero {
    padding: 60px 0 50px;
  }

  .ai-hero-bg {
    background-image: radial-gradient(circle at 30% 20%, rgba(29, 86, 255, 0.12) 0%, transparent 40%), radial-gradient(circle at 70% 80%, rgba(74, 140, 255, 0.08) 0%, transparent 40%);
  }

  .ai-hero-content {
    padding: 0 16px;
  }

  .ai-hero-badge {
    font-size: 12px;
    padding: 6px 14px;
    margin-bottom: 20px;
  }

  .ai-hero-title {
    font-size: 26px;
    line-height: 1.35;
    margin-bottom: 18px;
  }

  .ai-hero-desc {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 28px;
  }

  .ai-hero-actions {
    gap: 12px;
    margin-bottom: 32px;
  }

  .ai-hero-btn {
    padding: 12px 28px;
    font-size: 14px;
    width: 100%;
    max-width: 280px;
  }

  .ai-overview-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ai-overview-card-main {
    grid-column: span 1;
  }

  .ai-overview-card {
    padding: 28px 20px;
  }

  .ai-package-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ai-package-card {
    padding: 28px 22px;
  }

  .ai-package-card-hot {
    transform: scale(1);
    order: -1;
  }

  .ai-package-card-hot:hover {
    transform: scale(1);
  }

  .ai-scenario-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ai-scenario-card {
    padding: 28px 20px;
  }

  .ai-guarantee-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ai-guarantee-card {
    padding: 28px 20px;
  }

  .ai-review-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ai-review-card {
    padding: 24px 20px;
  }

  .ai-process-timeline {
    gap: 12px;
  }

  .ai-process-step {
    padding: 20px;
    min-width: auto;
  }

  .ai-compare-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .ai-compare-table {
    min-width: 520px;
  }

  .ai-compare-row {
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
  }

  .ai-compare-header {
    display: none;
  }

  .ai-compare-cell {
    padding: 10px 8px;
    font-size: 12px;
  }

  .ai-compare-feature {
    padding-left: 12px;
  }

  .ai-cta-title {
    font-size: 26px;
  }

  .config-form-container {
    margin: 20px 0;
    padding: 16px;
  }

  .config-form-container .title {
    font-size: 22px;
  }

  .config-form-container .step-title {
    font-size: 18px;
  }

  .config-form-container .form-row {
    grid-template-columns: 1fr;
  }

  .config-form-container .form-row-3 {
    grid-template-columns: 1fr;
  }

  .config-form-container .color-grid {
    grid-template-columns: repeat(12, 18px);
  }

  .ai-faq-item {
    padding: 20px 16px;
  }

  .ai-faq-q {
    font-size: 15px;
  }

  .ai-faq-a {
    font-size: 13px;
  }
}