/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px; /* 新增代码 */
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  overflow-x: hidden;
}

/* 通用容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 120px;
  position: relative;
  overflow: hidden;
}

.btn-large {
  padding: 16px 32px;
  font-size: 18px;
  min-width: 160px;
}

.btn-icon {
  margin-right: 8px;
  font-size: 1.2em;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

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

.btn-secondary {
  background: transparent;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-secondary:hover {
  background: #667eea;
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

/* 段落样式 */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header h2 {
  font-size: 3rem;
  font-weight: 800;
  color: #2d3748;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
 -webkit-text-fill-color: transparent;
}

.section-header h2 span {
    -webkit-text-fill-color: initial;
}

.section-header p {
  font-size: 1.3rem;
  color: #718096;
  max-width: 603.5px;
  margin: 0 auto;
}

/* 头部导航 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo h1 {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2px;
}

.logo span {
  font-size: 0.9rem;
  color: #718096;
  font-weight: 500;
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
}

.nav-menu a {
  text-decoration: none;
  color: #4a5568;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu a:hover {
  color: #667eea;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-menu a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: #4a5568;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* 英雄区块 */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding-top: 118px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  33% {
    transform: translateY(-20px) rotate(1deg);
  }
  66% {
    transform: translateY(-10px) rotate(-1deg);
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-icon {
  font-size: 1.2em;
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 2rem;
}

.title-line {
  display: block;
  font-size: 1.8rem;
  font-weight: 600;
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.title-highlight {
  display: block;
  font-size: 4rem;
  font-weight: 900;
  background: linear-gradient(135deg, #fed7d7 0%, #fbb6ce 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(254, 215, 215, 0.3);
  margin-bottom: 1rem;
}

.title-subtitle {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  opacity: 0.8;
}

.hero-description {
  font-size: 1.4rem;
  line-height: 1.7;
  margin-bottom: 3rem;
  opacity: 0.95;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.highlight-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.highlight-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.highlight-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.highlight-number {
  font-size: 2rem;
  font-weight: 800;
  color: #fed7d7;
  margin-bottom: 0.5rem;
}

.highlight-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.hero-trust {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

.trust-icon {
  font-size: 1.2em;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-container {
  width: 100%;
  max-width: 500px;
}

.flow-diagram-hero {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 3rem;
  border-radius: 24px;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 3rem;
}

.flow-step-hero {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.flow-step-hero:hover {
  transform: translateX(10px);
  background: rgba(255, 255, 255, 0.2);
}

.step-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.step-content h4 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-content p {
  opacity: 0.8;
  font-size: 1rem;
}

.flow-arrow-hero {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 30px;
}

.arrow-line {
  width: 2px;
  height: 20px;
  background: rgba(255, 255, 255, 0.5);
}

.arrow-head {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 10px solid rgba(255, 255, 255, 0.5);
  margin-top: -2px;
}

.success-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.metric-card {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.metric-number {
  font-size: 2rem;
  font-weight: 800;
  color: #fed7d7;
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* 收益计算器 */
.calculator-section {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.calculator-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  background: white;
  padding: 3rem;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  margin-bottom: 4rem;
}

.calculator-inputs {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-group label {
  font-size: 1.1rem;
  font-weight: 600;
  color: #2d3748;
}

.slider-container {
  position: relative;
}

.slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.slider-value {
  text-align: center;
  margin-top: 1rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: #667eea;
}

.calculator-results {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.result-card {
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
}

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

.result-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.result-label {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.result-value {
  font-size: 3rem;
  font-weight: 900;
}

.result-breakdown {
  background: #f8fafc;
  padding: 1.5rem;
  border-radius: 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
}

.breakdown-label {
  color: #718096;
  font-size: 0.9rem;
}

.breakdown-value {
  font-weight: 700;
  color: #2d3748;
}

.income-chart {
  background: #f8fafc;
  padding: 1rem;
  border-radius: 12px;
  
  height: auto;
}

.calculator-scenarios {
  margin-top: 2rem;
}

.calculator-scenarios h3 {
  text-align: center;
  margin-bottom: 2rem;
  color: #2d3748;
  font-size: 1.8rem;
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.scenario-card {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

.scenario-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.scenario-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.scenario-header h4 {
  font-size: 1.3rem;
  color: #2d3748;
}

.scenario-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.scenario-badge.conservative {
  background: #dcfce7;
  color: #16a34a;
}

.scenario-badge.moderate {
  background: #dbeafe;
  color: #2563eb;
}

.scenario-badge.aggressive {
  background: #fef3c7;
  color: #d97706;
}

.scenario-params {
  margin-bottom: 1.5rem;
  color: #718096;
}

.scenario-result {
  text-align: center;
}

.scenario-income {
  font-size: 2rem;
  font-weight: 800;
  color: #667eea;
}

.scenario-monthly {
  font-size: 0.9rem;
  color: #718096;
}

/* 资金流向重新设计 */
.funding-section {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.funding-visualization {
  background: white;
  padding: 4rem;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.funding-flow-container {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  margin-bottom: 4rem;
}

.funding-source {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.source-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  min-width: 200px;
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
}

.fund-card {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.card-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-content p {
  opacity: 0.9;
}

.flow-connection {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.connection-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, #667eea, #10b981);
}

.connection-label {
  background: #667eea;
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.funding-input {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.input-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.flow-item {
  background: #f8fafc;
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
  min-width: 180px;
  border: 2px solid #e2e8f0;
}

.user-payment {
  border-color: #3b82f6;
}

.platform-receive,
.platform-invest {
  border-color: #667eea;
}

.fund-pool {
  border-color: #10b981;
}

.flow-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.flow-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 0.5rem;
}

.flow-amount {
  font-size: 1rem;
  font-weight: 700;
  color: #667eea;
}

.flow-arrow {
  display: flex;
  align-items: center;
}

.arrow-body {
  width: 40px;
  height: 2px;
  background: #667eea;
}

.arrow-tip {
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 10px solid #667eea;
}

.funding-distribution {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.distribution-center {
  display: flex;
  justify-content: center;
}

.center-node {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  padding: 2rem;
  border-radius: 50%;
  text-align: center;
  width: 120px;
  height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.3);
}

.node-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.node-label {
  font-size: 0.9rem;
  font-weight: 600;
}

.distribution-outputs {
  display: flex;
  gap: 4rem;
}

.output-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.output-line {
  width: 2px;
  height: 60px;
  background: linear-gradient(to bottom, #10b981, #667eea);
}

.output-card {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
  min-width: 160px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 2px solid #e2e8f0;
}

.reward-b {
  border-color: #ef4444;
}

.reward-a {
  border-color: #f59e0b;
}

.reward-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.reward-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 0.5rem;
}

.reward-amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: #667eea;
  margin-bottom: 0.5rem;
}

.reward-type {
  font-size: 0.8rem;
  color: #718096;
}

.legal-explanation {
  background: #f8fafc;
  padding: 0.8rem;
  border-radius: 16px;
  border-left: 4px solid #667eea;
}

.explanation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.explanation-card {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.explanation-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.explanation-card h4 {
  font-size: 1.2rem;
  color: #2d3748;
  margin-bottom: 1rem;
}

.explanation-card p {
  color: #718096;
  line-height: 1.6;
}

/* 奖励规则详情 */
.reward-rules-section {
  background: white;
}

.rules-container {
  background: #f8fafc;
  padding: 2rem;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.rules-table-wrapper {
  overflow-x: auto;
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
  padding: 1rem;
}

.reward-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.reward-table th,
.reward-table td {
  padding: 15px 10px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: top;
}

.reward-table th {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

.reward-table .highlight-row {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.reward-table .no-reward-row {
  background: #f9fafb;
}

.reward-split {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.reward-b {
  color: #059669;
  font-weight: 700;
  background: #dcfce7;
  padding: 4px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.25rem;
}

.reward-a {
  color: #dc2626;
  font-weight: 700;
  background: #fee2e2;
  padding: 4px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.25rem;
}

.no-reward {
  color: #6b7280;
  font-style: italic;
}

.rules-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .rules-highlights {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

.highlight-box {
  padding: 1.5rem;
  border-radius: 16px;
  border-left: 4px solid;
}

.highlight-box.important {
  background: #fef3cd;
  border-color: #f59e0b;
}

.highlight-box.success {
  background: #dcfce7;
  border-color: #16a34a;
}

.highlight-box h4 {
  color: #2d3748;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.highlight-box ul {
  list-style: none;
  padding: 0;
}

.highlight-box li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
  color: #4a5568;
  line-height: 1.5;
}

.highlight-box li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
  font-size: 1.2em;
}

/* 响应式设计优化 */
@media (max-width: 1024px) {
  .rules-container {
    padding: 1.5rem;
  }
  
  .reward-table th,
  .reward-table td {
    padding: 12px 8px;
    font-size: 0.85rem;
  }
  
  .reward-b,
  .reward-a {
    font-size: 0.8rem;
    padding: 3px 6px;
  }
}

@media (max-width: 768px) {
  .rules-container {
    padding: 1rem;
  }
  
  .rules-table-wrapper {
    padding: 0.5rem;
  }
  
  .reward-table th,
  .reward-table td {
    padding: 10px 6px;
    font-size: 0.8rem;
  }
  
  .reward-b,
  .reward-a {
    font-size: 0.75rem;
    padding: 2px 5px;
  }
  
  .highlight-box {
    padding: 1.25rem;
  }
  
  .highlight-box h4 {
    font-size: 1.1rem;
  }
  
  .highlight-box li {
    padding-left: 1.25rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .reward-table th,
  .reward-table td {
    padding: 8px 5px;
    font-size: 0.75rem;
  }
  
  .reward-split {
    gap: 0.25rem;
  }
  
  .reward-b,
  .reward-a,
  .no-reward {
    font-size: 0.7rem;
  }
  
  .highlight-box {
    padding: 1rem;
  }
  
  .highlight-box h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
  }
  
  .highlight-box li {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
  }
}



/* 奖励规则详情 */
.reward-rules-section {
  background: white;
}

.rules-container {
  background: #f8fafc;
  /* padding: 3rem;   */
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.rules-table-wrapper {
  overflow-x: auto;
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin-bottom: 3rem;
}

.reward-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1000px;
}

.reward-table th,
.reward-table td {
  padding: 20px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: top;
}

.reward-table th {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-weight: 700;
  font-size: 1rem;
}

.reward-table .highlight-row {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.reward-table .no-reward-row {
  background: #f9fafb;
}

.reward-split {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.reward-b {
  color: #059669;
  font-weight: 700;
  background: #dcfce7;
  padding: 4px 8px;
  border-radius: 4px;
}

.reward-a {
  color: #dc2626;
  font-weight: 700;
  background: #fee2e2;
  padding: 4px 8px;
  border-radius: 4px;
}

.no-reward {
  color: #6b7280;
  font-style: italic;
}
/*
.rules-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
*/
.rules-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .rules-highlights {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

.highlight-box {
  padding: 2rem;
  border-radius: 16px;
  border-left: 4px solid;
}

.highlight-box.important {
  background: #fef3cd;
  border-color: #f59e0b;
}

.highlight-box.success {
  background: #dcfce7;
  border-color: #16a34a;
}

.highlight-box h4 {
  color: #2d3748;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.highlight-box ul {
  list-style: none;
  padding: 0;
}

.highlight-box li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
  color: #4a5568;
  line-height: 1.5;
}

.highlight-box li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
  font-size: 1.2em;
}

/* 法律合规架构 */
.legal-compliance {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.legal-content {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

/* .compliance-certifications {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
} */

.compliance-certifications {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 0 auto 4rem; /* 水平居中 */
    place-items: center; /* 子元素在网格单元内居中 */
    place-content: center; /* 内容在网格容器内居中 */
    max-width: 1200px; /* 可根据实际需求调整最大宽度 */
}

.cert-item {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.cert-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.cert-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.cert-content h4 {
  font-size: 1.2rem;
  color: #2d3748;
  margin-bottom: 0.5rem;
}

.cert-content p {
  color: #718096;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.cert-status {
  background: #dcfce7;
  color: #16a34a;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.contract-clause,
.service-requirements,
.risk-control {
  background: white;
  padding: 3rem;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  border-left: 6px solid #667eea;
}

.contract-clause h3,
.service-requirements h3,
.risk-control h3 {
  color: #2d3748;
  margin-bottom: 2rem;
  font-size: 1.8rem;
}

.clause-content h4 {
  color: #4a5568;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

blockquote {
  background: #f8fafc;
  border-left: 4px solid #667eea;
  padding: 2rem;
  margin: 1.5rem 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: #4a5568;
  line-height: 1.8;
  font-size: 1.1rem;
}

.service-intro {
  font-size: 1.1rem;
  color: #4a5568;
  margin-bottom: 2rem;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.requirement-card {
  background: #f8fafc;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  border: 2px solid #e2e8f0;
  transition: all 0.3s ease;
}

.requirement-card:hover {
  border-color: #667eea;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

.req-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.req-content h4 {
  color: #2d3748;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.req-content p {
  color: #718096;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.req-verification {
  background: #dcfce7;
  color: #16a34a;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
}

.service-note {
  background: #fef3cd;
  border: 2px solid #f59e0b;
  border-radius: 12px;
  padding: 1.5rem;
  color: #92400e;
}

.control-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
}

.control-stage {
  background: #f8fafc;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  min-width: 250px;
  border: 2px solid #e2e8f0;
}

.stage-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1rem;
}

.stage-number {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.stage-header h4 {
  color: #2d3748;
  font-size: 1.1rem;
}

.stage-content ul {
  list-style: none;
  padding: 0;
  text-align: left;
}

.stage-content li {
  margin-bottom: 0.5rem;
  color: #4a5568;
  padding-left: 1rem;
  position: relative;
}

.stage-content li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
}

.control-arrow {
  font-size: 2rem;
  color: #667eea;
  font-weight: bold;
}

/* 异业合作生态 */
.cooperation {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.cooperation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.cooperation-category {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cooperation-category::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.cooperation-category:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.category-icon {
  font-size: 3rem;
}

.category-header h3 {
  color: #2d3748;
  font-size: 1.5rem;
  font-weight: 700;
}

.category-badge {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.service-item {
  background: #f8fafc;
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  border-left: 4px solid #667eea;
}

.service-item h4 {
  color: #2d3748;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.service-item p {
  color: #4a5568;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.feature-tag {
  background: #e0f2fe;
  color: #0369a1;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.success-case {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 2px solid #f59e0b;
  border-radius: 12px;
  padding: 1.5rem;
}

.success-case h5 {
  color: #92400e;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.success-case p {
  color: #92400e;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.case-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.metric {
  background: #fed7aa;
  color: #9a3412;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
}

/* 各行业推广策略 */
.strategy-section {
  background: white;
}

.strategy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.strategy-card {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.strategy-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.strategy-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.strategy-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.strategy-icon {
  font-size: 3rem;
}

.strategy-title h3 {
  color: #2d3748;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.strategy-tag {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.strategy-tag.high-value {
  background: #fef3c7;
  color: #d97706;
}

.strategy-tag.entertainment {
  background: #f3e8ff;
  color: #7c3aed;
}

.strategy-tag.retail {
  background: #dbeafe;
  color: #2563eb;
}

.strategy-tag.health {
  background: #dcfce7;
  color: #16a34a;
}

.strategy-tag.food {
  background: #fed7d7;
  color: #dc2626;
}

.strategy-tag.automotive {
  background: #e0f2fe;
  color: #0369a1;
}

.strategy-tag.education {
  background: #fef3cd;
  color: #d97706;
}

.strategy-tag.realestate {
  background: #f0fdf4;
  color: #15803d;
}

.strategy-tag.medical {
  background: #fef2f2;
  color: #dc2626;
}

.strategy-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.strategy-recommendation,
.strategy-method,
.strategy-effect {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.strategy-recommendation h4,
.strategy-method h4,
.strategy-effect h4 {
  color: #2d3748;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.strategy-recommendation p,
.strategy-method p {
  color: #4a5568;
  line-height: 1.6;
}

.strategy-effect ul {
  list-style: none;
  padding: 0;
}

.strategy-effect li {
  margin-bottom: 0.75rem;
  color: #4a5568;
  padding-left: 1.5rem;
  position: relative;
}

.strategy-effect li::before {
  content: "📈";
  position: absolute;
  left: 0;
}

/* 权威认证与案例 */
.authority-section {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.authority-content {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.certifications {
  background: white;
  padding: 3rem;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.cert-card {
  background: #f8fafc;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  border: 2px solid #e2e8f0;
  transition: all 0.3s ease;
}

.cert-card:hover {
  border-color: #667eea;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.cert-logo {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.cert-card h4 {
  color: #2d3748;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.cert-card p {
  color: #718096;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.testimonials {
  background: white;
  padding: 3rem;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.testimonials h3 {
  color: #2d3748;
  margin-bottom: 2rem;
  font-size: 1.8rem;
  text-align: center;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: #f8fafc;
  padding: 2rem;
  border-radius: 16px;
  border-left: 4px solid #667eea;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.testimonial-avatar {
  font-size: 3rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
}

.testimonial-info h4 {
  color: #2d3748;
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}

.testimonial-info p {
  color: #718096;
  font-size: 0.9rem;
}

.testimonial-content {
  margin-bottom: 1.5rem;
}

.testimonial-content p {
  color: #4a5568;
  line-height: 1.6;
  font-style: italic;
}

.testimonial-rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stars {
  color: #f59e0b;
}

.rating-text {
  color: #718096;
  font-size: 0.9rem;
  font-weight: 600;
}

.success-stats {
  background: white;
  padding: 3rem;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.success-stats h3 {
  color: #2d3748;
  margin-bottom: 2rem;
  font-size: 1.8rem;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  border: 2px solid #e2e8f0;
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: #667eea;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.stat-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: #667eea;
  margin-bottom: 0.5rem;
  display: block;
}

.stat-label {
  color: #718096;
  font-size: 1rem;
  font-weight: 600;
}

/* 联系我们 */
.contact {
  background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.contact .container {
  position: relative;
  z-index: 2;
}

.contact .section-header h2,
.contact .section-header p {
  color: white;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-methods {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 16px;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.contact-method:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
}

.contact-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.contact-details h4 {
  margin-bottom: 0.5rem;
  color: #fed7d7;
  font-size: 1.2rem;
}

.phone-number {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.phone-number:hover {
  color: #fed7d7;
}

.contact-note {
  font-size: 0.9rem;
  opacity: 0.8;
}

.qr-codes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.qr-code {
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 16px;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.qr-code:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
}

.qr-code img {
  width: 100%;
  max-width: 120px;
  height: auto;
  border-radius: 12px;
  margin-bottom: 1rem;
  background: white;
  padding: 10px;
}

.qr-code p {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.qr-desc {
  font-size: 0.8rem;
  opacity: 0.8;
}

.consultation-features h3 {
  color: white;
  margin-bottom: 2rem;
  font-size: 1.8rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-check {
  color: #10b981;
  font-weight: bold;
  font-size: 1.2rem;
  margin-top: 0.2rem;
}

.feature-content h4 {
  color: white;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.feature-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  line-height: 1.4;
}

.consultation-guarantee {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.guarantee-icon {
  font-size: 2rem;
}

.guarantee-text h4 {
  color: white;
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.guarantee-text p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* 页脚 */
.footer {
  background: #1a202c;
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: #a0aec0;
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #667eea;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #667eea;
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  color: #e2e8f0;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column li {
  margin-bottom: 0.75rem;
}

.footer-column a {
  color: #a0aec0;
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 1rem;
}

.footer-column a:hover {
  color: #667eea;
}

.footer-bottom {
  border-top: 1px solid #2d3748;
  padding-top: 2rem;
}

.footer-disclaimer {
  background: #2d3748;
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.footer-disclaimer p {
  margin-bottom: 0.75rem;
  color: #e2e8f0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-copyright {
  text-align: center;
  color: #718096;
  font-size: 0.9rem;
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  font-weight: bold;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .container {
    padding: 0 30px;
  }

  .hero-content {
    gap: 4rem;
  }

  .calculator-container {
    gap: 3rem;
  }
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

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

  .calculator-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .scenarios-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

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

  .explanation-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .requirements-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .control-flow {
    flex-direction: column;
    gap: 1rem;
  }

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

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

  .testimonial-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    gap: 1rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: 4rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .title-highlight {
    font-size: 2.5rem;
  }

  .hero-description {
    font-size: 1.2rem;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-trust {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }

  .section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .section-header p {
    font-size: 1.1rem;
  }

  .cooperation-grid,
  .strategy-grid {
    grid-template-columns: 1fr;
  }

  .result-breakdown {
    grid-template-columns: 1fr;
  }

  .funding-source {
    flex-direction: column;
    gap: 1rem;
  }

  .input-flow {
    flex-direction: column;
    gap: 1rem;
  }

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

  .distribution-outputs {
    flex-direction: column;
    gap: 2rem;
  }

  .qr-codes {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .guarantee-item {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .cert-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  /* 新增：优化收益说明文本在小屏幕上的显示 */
  .income-text-instruction {
    font-size: 0.9rem;
  }
  
  /* 新增：优化计算器说明文本 */
  .calculator-notes {
    padding: 1rem;
  }
  
  .notes-content p {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .title-highlight {
    font-size: 2rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 14px;
    min-width: 100px;
  }

  .btn-large {
    padding: 12px 24px;
    font-size: 16px;
    min-width: 120px;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .nav-container {
    padding: 1rem;
  }

  .logo h1 {
    font-size: 1.5rem;
  }

  .highlight-item {
    padding: 1rem;
  }

  .highlight-number {
    font-size: 1.5rem;
  }

  .metric-number {
    font-size: 1.5rem;
  }

  .compliance-certifications {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
  
  /* 新增：优化收益计算器滑块 */
  .slider-container {
    padding: 0 10px;
  }
  
  /* 新增：优化说明文本在极小屏幕上的显示 */
  .text-warning {
    font-size: 0.85rem;
  }
  
  .notes-content p {
    text-indent: 1em;
  }
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes bounce {
  0%,
  20%,
  53%,
  80%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  40%,
  43% {
    transform: translate3d(0, -10px, 0);
  }
  70% {
    transform: translate3d(0, -5px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out;
}

.animate-slideInLeft {
  animation: slideInLeft 0.8s ease-out;
}

.animate-slideInRight {
  animation: slideInRight 0.8s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-bounce {
  animation: bounce 2s infinite;
}

/* 打印样式 */
@media print {
  .header,
  .footer,
  .back-to-top {
    display: none;
  }
}

/* 新增：改善触摸体验 */
@media (hover: none) and (pointer: coarse) {
  /* 在触摸设备上增加按钮和链接的触摸区域 */
  .btn,
  .nav-menu a,
  .scenario-card,
  .feature-item,
  .cert-item,
  .testimonial-card,
  .stat-card,
  .cooperation-category,
  .strategy-card {
    padding: calc(1rem + 5px);
  }
  
  /* 增加触摸目标大小 */
  .nav-menu a {
    padding: 15px 0;
  }
  
  .highlight-item {
    padding: 1.8rem 1rem;
  }
  
  /* 减少悬停效果依赖 */
  .btn:hover,
  .nav-menu a:hover,
  .highlight-item:hover,
  .cert-item:hover,
  .testimonial-card:hover,
  .stat-card:hover,
  .cooperation-category:hover,
  .strategy-card:hover {
    transform: none;
  }
  
  /* 添加触摸反馈 */
  .btn:active,
  .nav-menu a:active,
  .scenario-card:active,
  .cert-item:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }
}