* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: #fafbfc;
  color: #1a1a1a;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 导航栏 */
.navbar {
  background: #ffffff;
  border-bottom: 1px solid #e8eaed;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  height: 70px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  font-size: 32px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-name-en {
  font-size: 11px;
  color: #999;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* 导航栏小意助手 */
.nav-assistant {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 20px;
  padding: 6px 12px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  border-radius: 20px;
  border: 1px solid rgba(102, 126, 234, 0.2);
}

.assistant-avatar-small {
  font-size: 18px;
}

.assistant-name-small {
  font-size: 13px;
  font-weight: 600;
  color: #667eea;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: #f5f7fa;
  border-radius: 20px;
}

.user-name {
  font-size: 15px;
  color: #333;
  font-weight: 500;
}

.vip-badge {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 8px rgba(245, 87, 108, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.admin-link {
  font-size: 12px;
  color: #666;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}

.admin-link:hover {
  background: #f5f5f5;
  color: #667eea;
}

.logout-btn {
  font-size: 13px;
  color: #666;
  background: transparent;
  border: 1px solid #e0e0e0;
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.logout-btn:hover {
  border-color: #667eea;
  color: #667eea;
}

/* Hero 区域 */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 60px 40px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

/* 科技感背景 */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: pulse 4s ease-in-out infinite;
}

/* 电流效果 */
.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
  animation: electricFlow 3s linear infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes electricFlow {
  0% { left: -100%; }
  100% { left: 100%; }
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 52px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 2px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.hero-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 0;
  font-weight: 300;
  line-height: 1.6;
}

/* 改写区域 */
.rewrite-section {
  padding: 50px 40px 60px;
  margin-top: 0;
  position: relative;
  z-index: 10;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* 类别选择 - 悬浮卡片 */
.category-selector {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 50px;
}

.category-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  padding: 40px 60px;
  background: white;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  min-width: 200px;
  max-width: 200px;
  position: relative;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.category-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  opacity: 0;
  border-radius: 20px;
  transition: opacity 0.3s;
}

.category-btn:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
}

.category-btn:hover::before {
  opacity: 0.1;
}

.category-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
  transform: translateY(-10px);
}

.category-btn.active::before {
  opacity: 0;
}

.category-icon {
  font-size: 56px;
  transition: transform 0.3s;
  position: relative;
  z-index: 1;
}

.category-btn:hover .category-icon {
  transform: scale(1.15) rotate(5deg);
}

.category-btn.active .category-icon {
  animation: bounce 0.6s;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

.category-name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}

/* 输入区域 */
.input-area {
  display: flex;
  gap: 15px;
  margin-bottom: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.topic-input {
  flex: 1;
  padding: 18px 24px;
  font-size: 16px;
  border: 2px solid #e8eaed;
  border-radius: 12px;
  transition: all 0.3s;
  background: white;
}

.topic-input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.generate-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 40px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  position: relative;
  overflow: hidden;
}

.generate-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.generate-btn:hover::before {
  width: 300px;
  height: 300px;
}

.generate-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.generate-btn:active {
  transform: translateY(-1px);
}

.btn-icon {
  font-size: 20px;
  position: relative;
  z-index: 1;
}

.btn-text {
  position: relative;
  z-index: 1;
}

/* 内容标签页 */
.content-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 30px;
  border-bottom: 2px solid #e8eaed;
  padding-bottom: 0;
}

.content-tab {
  padding: 12px 24px;
  background: transparent;
  border: none;
  color: #666;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}

.content-tab:hover {
  color: #667eea;
}

.content-tab.active {
  color: #667eea;
  border-bottom-color: #667eea;
  font-weight: 600;
}

/* 内容列表 */
.content-lists {
  position: relative;
  min-height: 400px;
}

.content-list {
  display: none;
}

.content-list.active {
  display: block;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: #999;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 20px;
}

.empty-state p {
  font-size: 16px;
  margin-bottom: 8px;
}

/* 锁定内容 */
.locked-content {
  position: relative;
  min-height: 500px;
  cursor: pointer;
}

.locked-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: 12px;
  transition: all 0.3s;
}

.locked-overlay:hover {
  background: rgba(255, 255, 255, 0.98);
}

.lock-icon {
  font-size: 64px;
  margin-bottom: 16px;
  animation: shake 2s infinite;
}

@keyframes shake {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-5deg); }
  75% { transform: rotate(5deg); }
}

.lock-text {
  font-size: 18px;
  color: #333;
  margin-bottom: 20px;
  font-weight: 500;
}

.btn-unlock {
  padding: 12px 32px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-unlock:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.content-preview {
  filter: blur(4px);
  opacity: 0.6;
  pointer-events: none;
}

.preview-card {
  background: white;
  border: 1px solid #e8eaed;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

.preview-topic {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}

.preview-content {
  font-size: 15px;
  line-height: 1.8;
  color: #666;
}

.empty-hint {
  font-size: 14px;
  color: #bbb;
}

/* 内容卡片 */
.content-card {
  background: white;
  border: 1px solid #e8eaed;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
  transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.content-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.card-topic {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 6px;
}

.card-meta {
  font-size: 13px;
  color: #999;
}

/* 新增：左右布局容器 */
.card-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 16px;
}

.card-content-section {
  padding-right: 12px;
}

.card-image-section {
  padding-left: 12px;
  border-left: 1px solid #e8eaed;
}

.card-content {
  font-size: 15px;
  line-height: 1.8;
  color: #333;
  white-space: pre-wrap;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.card-content.claimed {
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.card-image-tip {
  background: #fff8e1;
  border-left: 3px solid #ffc107;
  padding: 16px;
  border-radius: 6px;
}

.card-image-tip strong {
  display: block;
  margin-bottom: 12px;
  color: #f57c00;
  font-size: 14px;
  font-weight: 600;
}

.card-image-tip p {
  font-size: 14px;
  color: #666;
  margin: 0;
  line-height: 1.8;
  white-space: pre-wrap;
}

.card-actions {
  display: flex;
  gap: 10px;
}

.card-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-claim {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-claim:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-copy {
  background: #f5f5f5;
  color: #333;
}

.btn-copy:hover {
  background: #e8eaed;
}

.btn-copy:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 管理后台 */
.admin-page {
  padding: 40px;
  min-height: 100vh;
  background: #fafbfc;
}

.admin-header {
  max-width: 1200px;
  margin: 0 auto 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-header h2 {
  font-size: 28px;
  color: #1a1a1a;
}

.back-btn {
  padding: 10px 20px;
  background: white;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.back-btn:hover {
  border-color: #667eea;
  color: #667eea;
}

.admin-container {
  max-width: 1200px;
  margin: 0 auto;
}

.admin-card {
  background: white;
  border: 1px solid #e8eaed;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
}

.admin-card h3 {
  font-size: 20px;
  margin-bottom: 24px;
  color: #1a1a1a;
}

.admin-card h4 {
  font-size: 16px;
  margin-bottom: 16px;
  color: #333;
}

/* 表单 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
  color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn-primary {
  padding: 12px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-large {
  width: 100%;
  padding: 16px;
  font-size: 16px;
}

/* 知识库 */
.kb-upload {
  background: #fafbfc;
  padding: 24px;
  border-radius: 10px;
  margin-bottom: 30px;
}

.upload-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.upload-tab {
  padding: 10px 20px;
  background: white;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.upload-tab.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: transparent;
}

.upload-panel {
  display: none;
}

.upload-panel.active {
  display: block;
}

.kb-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.kb-filter {
  padding: 8px 16px;
  background: white;
  border: 1px solid #e8eaed;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.kb-filter.active {
  background: #667eea;
  color: white;
  border-color: transparent;
}

.kb-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

.kb-table th,
.kb-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #e8eaed;
  font-size: 14px;
}

.kb-table th {
  font-weight: 600;
  color: #666;
  background: #fafbfc;
}

.kb-table tbody tr:hover {
  background: #fafbfc;
}

.btn-small {
  padding: 6px 12px;
  font-size: 13px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-right: 6px;
  background: #667eea;
  color: white;
  transition: all 0.2s;
}

.btn-small:hover {
  opacity: 0.8;
}

.btn-danger {
  background: #f5576c;
}

input[type="file"] {
  padding: 12px;
  border: 2px dashed #e8eaed;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  background: white;
}

input[type="file"]:hover {
  border-color: #667eea;
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(5px);
}

.modal-content {
  background: white;
  margin: 5% auto;
  padding: 40px;
  border-radius: 16px;
  width: 90%;
  max-width: 500px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  position: relative;
}

.close {
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 28px;
  color: #999;
  cursor: pointer;
  transition: all 0.2s;
}

.close:hover {
  color: #333;
}

.modal-content h2 {
  text-align: center;
  margin-bottom: 10px;
  font-size: 26px;
}

.modal-subtitle {
  text-align: center;
  color: #666;
  font-size: 14px;
  margin-bottom: 30px;
}

.vip-price {
  text-align: center;
  margin: 30px 0;
}

.price {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.period {
  font-size: 18px;
  color: #999;
}

/* 套餐选择 */
.vip-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.vip-plan {
  border: 2px solid #e8eaed;
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}

.vip-plan:hover,
.vip-plan.selected {
  border-color: #667eea;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.vip-plan.recommended {
  border-color: #667eea;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.plan-badge {
  display: inline-block;
  padding: 4px 12px;
  background: #f0f0f0;
  border-radius: 20px;
  font-size: 12px;
  color: #666;
  margin-bottom: 12px;
}

.plan-badge.hot {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.plan-price {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 8px 0;
}

.plan-price span {
  font-size: 14px;
  color: #999;
}

.plan-desc {
  font-size: 13px;
  color: #666;
  margin-top: 8px;
}

.plan-note {
  font-size: 12px;
  color: #999;
  margin-top: 4px;
}

/* 支付方式 */
.payment-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid #e8eaed;
}

.payment-section h3 {
  font-size: 16px;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.payment-methods {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.payment-method {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border: 2px solid #e8eaed;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
}

.payment-method:has(input:checked) {
  border-color: #667eea;
  background: rgba(102, 126, 234, 0.05);
}

.payment-method input {
  display: none;
}

.payment-method span {
  font-size: 14px;
  font-weight: 500;
}

.qrcode-container {
  display: none;
  text-align: center;
  padding: 20px;
  background: #f9f9f9;
  border-radius: 8px;
  margin-top: 16px;
}

.qrcode-container.show {
  display: block;
}

.qrcode-container img {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  display: block;
}

.qrcode-tip {
  margin-top: 12px;
  font-size: 14px;
  color: #666;
}

.vip-features {
  list-style: none;
  margin: 25px 0;
}

.vip-features li {
  padding: 12px 0;
  font-size: 15px;
  color: #555;
  border-bottom: 1px solid #f0f0f0;
}

.vip-features li:last-child {
  border-bottom: none;
}

/* 响应式 */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 20px;
  }
  
  .hero-section {
    padding: 40px 20px 30px;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 14px;
  }
  
  .hero-assistant {
    position: static;
    margin: 20px auto 0;
    display: inline-flex;
  }
  
  .assistant-avatar {
    font-size: 20px;
  }
  
  .assistant-name {
    font-size: 13px;
  }
  
  .assistant-desc {
    font-size: 10px;
  }
  
  .category-selector {
    flex-direction: column;
    gap: 20px;
  }
  
  .category-btn {
    width: 100%;
    padding: 30px 40px;
  }
  
  .category-icon {
    font-size: 48px;
  }
  
  .category-name {
    font-size: 18px;
  }
  
  .input-area {
    flex-direction: column;
  }
  
  .generate-btn {
    width: 100%;
    justify-content: center;
  }
  
  .rewrite-section {
    padding: 30px 20px 40px;
    margin-top: -20px;
  }
}

/* 科技感光效 */
.hero-section .light-effect-1,
.hero-section .light-effect-2,
.hero-section .light-effect-3 {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
  animation: float-light 8s ease-in-out infinite;
}

.hero-section .light-effect-1 {
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.3);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.hero-section .light-effect-2 {
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.2);
  bottom: -80px;
  right: -80px;
  animation-delay: 2s;
}

.hero-section .light-effect-3 {
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.25);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 4s;
}

@keyframes float-light {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-30px, 30px) scale(0.9);
  }
}

/* 电流线条 */
.hero-section .electric-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  animation: electric-move 2s linear infinite;
}

.hero-section .electric-line:nth-child(1) {
  top: 30%;
  left: 0;
  width: 100%;
  animation-delay: 0s;
}

.hero-section .electric-line:nth-child(2) {
  top: 60%;
  left: 0;
  width: 100%;
  animation-delay: 0.7s;
}

.hero-section .electric-line:nth-child(3) {
  top: 80%;
  left: 0;
  width: 100%;
  animation-delay: 1.4s;
}

@keyframes electric-move {
  0% {
    transform: translateX(-100%);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateX(100%);
    opacity: 0;
  }
}