.primary-cta-button {
  background: white;
  color: #4a90e2;
  padding: 18px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.primary-cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.primary-cta-button:hover::before {
  left: 100%;
}

.primary-cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.secondary-cta-button {
  background: transparent;
  color: white;
  padding: 18px 40px;
  border: 2px solid white;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.secondary-cta-button:hover {
  background: white;
  color: #4a90e2;
  transform: translateY(-3px);
}

/* 全宽模块样式 */
.content-section {
  width: 100%;
  padding: 100px 0;
}

.content-section:nth-child(odd) {
  background: #f8f9fa;
}

.content-section:nth-child(even) {
  background: white;
}

.section-title {
  color: #2c3e50;
  font-size: 2.8rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  color: #666;
  font-size: 1.2rem;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 痛点问题模块 */
.problems-section {
  background: #fff3cd;
  padding: 100px 0;
}

.problems-section .section-title {
  color: #856404;
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.problem-card {
  background: white;
  padding: 35px 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(133, 100, 4, 0.1);
  border-left: 4px solid #ffc107;
  transition: all 0.3s ease;
}

.problem-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(133, 100, 4, 0.15);
  border-left-width: 6px;
}

.problem-card h4 {
  color: #856404;
  font-size: 1.2rem;
  margin-bottom: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.problem-card h4::before {
  content: '❌';
  margin-right: 12px;
  font-size: 1.3rem;
}

.problem-card p {
  color: #666;
  line-height: 1.7;
  font-size: 1rem;
}

.reasons-box {
  background: #f8d7da;
  border: 2px solid #f5c6cb;
  border-radius: 15px;
  padding: 40px;
  margin-top: 60px;
  text-align: center;
}

.reasons-box h3 {
  color: #721c24;
  font-size: 1.8rem;
  margin-bottom: 25px;
  font-weight: 600;
}

.reasons-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  text-align: left;
}

.reason-item {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(114, 28, 36, 0.1);
}

.reason-item h5 {
  color: #721c24;
  font-weight: 600;
  margin-bottom: 10px;
}

.reason-item p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 解决方案模块 */
.solutions-section {
  background: white;
  padding: 100px 0;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.solution-card {
  background: white;
  padding: 40px 30px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  border-color: #4a90e2;
}

.solution-icon {
  font-size: 3.5rem;
  margin-bottom: 25px;
  display: block;
}

.solution-card h3 {
  color: #2c3e50;
  font-size: 1.4rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.solution-card p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 25px;
}

.solution-features {
  list-style: none;
  text-align: left;
  padding: 0;
}

.solution-features li {
  padding: 8px 0;
  color: #555;
  position: relative;
  padding-left: 25px;
  font-size: 0.95rem;
}

.solution-features li::before {
  content: '✓';
  color: #28a745;
  font-weight: bold;
  font-size: 1.1rem;
}

/* 开户类型模块 */
.account-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 60px;
}

.account-type-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 40px;
  border-radius: 20px;
  border: 3px solid transparent;
  transition: all 0.3s ease;
  color: white;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
  position: relative;
  overflow: hidden;
}

.account-type-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  transform: rotate(45deg);
  transition: all 0.3s ease;
  opacity: 0;
}

.account-type-card:hover::before {
  opacity: 1;
}

.account-type-card:first-child {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
  box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.account-type-card:last-child {
  background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
  box-shadow: 0 10px 30px rgba(78, 205, 196, 0.3);
}

.account-type-card:hover {
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.account-type-card h4 {
  color: white;
  font-size: 1.8rem;
  margin-bottom: 25px;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 2;
}

.account-type-card h4::before {
  display: block;
  margin-bottom: 15px;
  font-size: 3rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.account-type-card:first-child h4::before {
  content: '👤';
}

.account-type-card:last-child h4::before {
  content: '🏢';
}

.account-type-card .solution-features {
  position: relative;
  z-index: 2;
}

.account-type-card .solution-features li {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1rem;
  font-weight: 500;
  padding: 10px 0;
}

.account-type-card .solution-features li::before {
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 优势模块 */
.advantages-section {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.advantages-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  animation: gradientShift 8s ease-in-out infinite;
  opacity: 0.3;
}

.advantages-section .section-title {
  color: #2c3e50;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 2;
}

.advantages-section .section-subtitle {
  color: #2c3e50;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 2;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 60px;
  position: relative;
  z-index: 2;
}

.advantage-card {
  background: rgba(255, 255, 255, 0.25);
  padding: 30px 20px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.advantage-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.35);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.advantage-card h4 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: #fff;
  font-weight: 700;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.advantage-card h4::before {
  display: block;
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.advantage-card:nth-child(1) h4::before {
  content: '⚡';
}

.advantage-card:nth-child(2) h4::before {
  content: '🛡️';
}

.advantage-card:nth-child(3) h4::before {
  content: '👥';
}

.advantage-card:nth-child(4) h4::before {
  content: '📈';
}

.advantage-card p {
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  font-weight: 500;
}

/* 合作银行模块 */
.partner-banks-section {
  background: white;
  padding: 100px 0;
}

.banks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.bank-card {
  background: white;
  padding: 30px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.bank-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: #4a90e2;
}

.bank-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: #f8f9fa;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: #4a90e2;
  overflow: hidden;
  border: 2px solid #e9ecef;
  transition: all 0.3s ease;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.bank-logo:hover {
  transform: scale(1.05);
  border-color: #4a90e2;
  box-shadow: 0 5px 15px rgba(74, 144, 226, 0.2);
}

.bank-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: all 0.3s ease;
}

.bank-logo img:hover {
  transform: scale(1.1);
}

.bank-card h4 {
  color: #2c3e50;
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.bank-features {
  list-style: none;
  padding: 0;
  text-align: left;
  margin-bottom: 20px;
}

.bank-features li {
  padding: 5px 0;
  color: #666;
  font-size: 0.95rem;
  position: relative;
  padding-left: 20px;
}

.bank-features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #4a90e2;
  font-weight: bold;
}

.consult-btn {
  background: #4a90e2;
  color: white;
  padding: 12px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.consult-btn:hover {
  background: #357abd;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

/* 维护指导模块 */
.maintenance-section {
  background: #f8f9fa;
  padding: 100px 0;
}

.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.maintenance-card {
  background: white;
  padding: 35px 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  border-top: 4px solid #28a745;
  transition: all 0.3s ease;
}

.maintenance-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(40, 167, 69, 0.15);
  border-top-width: 6px;
}

.maintenance-card h4 {
  color: #2c3e50;
  font-size: 1.2rem;
  margin-bottom: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.maintenance-card h4::before {
  content: '🔧';
  margin-right: 12px;
  font-size: 1.3rem;
}

.maintenance-card p {
  color: #666;
  line-height: 1.7;
  font-size: 1rem;
}

/* 联系CTA模块 */
.contact-cta {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  animation: gradientShift 8s ease-in-out infinite;
}

.contact-cta h2 {
  font-size: 3rem;
  margin-bottom: 25px;
  color: white;
  font-weight: 700;
  position: relative;
  z-index: 2;
}

.contact-cta p {
  font-size: 1.3rem;
  margin-bottom: 40px;
  opacity: 0.9;
  position: relative;
  z-index: 2;
}

.cta-buttons {
  display: flex;
  gap: 25px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.btn-primary-cta {
  background: white;
  color: #4a90e2;
  padding: 18px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.btn-secondary-cta {
  background: transparent;
  color: white;
  padding: 18px 40px;
  border: 2px solid white;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.btn-secondary-cta:hover {
  background: white;
  color: #4a90e2;
  transform: translateY(-3px);
}

.advantage-card {
  background: rgba(255, 255, 255, 0.95) !important;
  border: 2px solid rgba(255, 255, 255, 0.8) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
}

.advantage-card:hover {
  background: rgba(255, 255, 255, 1) !important;
  border-color: rgba(74, 144, 226, 0.6) !important;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25) !important;
}

.advantage-card h4 {
  color: #2c3e50 !important;
  text-shadow: none !important;
}

.advantage-card p {
  color: #666 !important;
  text-shadow: none !important;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .banking-hero h1 {
    font-size: 2.8rem;
  }

  .banking-hero .subtitle {
    font-size: 1.1rem;
  }

  .content-section {
    padding: 60px 0;
  }

  .problems-grid,
  .banks-grid,
  .maintenance-grid,
  .account-types {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .hero-actions,
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .primary-cta-button,
  .secondary-cta-button,
  .btn-primary-cta,
  .btn-secondary-cta {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .solutions-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .advantage-card {
    padding: 25px 15px;
  }

  .advantage-card h4 {
    font-size: 1.2rem;
  }

  .advantage-card h4::before {
    font-size: 2rem;
    margin-bottom: 10px;
  }
}