/* 现代化页脚样式 */

/* 页脚基础样式 */
.modern-footer {
  background: linear-gradient(to right, #f8f9fa, #f0f2f5);
  padding: 3rem 0 2rem;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* 暗色模式 */
[data-theme="dark"] .modern-footer {
  background: linear-gradient(to right, #1a1a2e, #16213e);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* 页脚装饰元素 */
.footer-decoration {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.2;
  overflow: hidden;
  transition: opacity 0.5s ease;
}

.footer-decoration::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(67, 97, 238, 0.1) 0%, rgba(67, 97, 238, 0) 70%);
  border-radius: 50%;
}

/* 页脚标志和标题 */
.footer-brand {
  display: flex;
  align-items: center;
  margin-bottom: 1.25rem;
}

.footer-brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  margin-left: 0.75rem;
  background: linear-gradient(135deg, #4361ee, #3a0ca3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .footer-brand-text {
  background: linear-gradient(135deg, #4cc9f0, #4361ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo {
  height: 40px;
  width: auto;
}

.footer-logo-icon {
  font-size: 2rem;
  color: #4361ee;
}

[data-theme="dark"] .footer-logo-icon {
  color: #4cc9f0;
}

/* 页脚描述文本 */
.footer-description {
  font-size: 0.95rem;
  color: #6c757d;
  margin-bottom: 1rem;
  max-width: 90%;
  line-height: 1.6;
}

[data-theme="dark"] .footer-description {
  color: #a0a8c0;
}

/* 版权信息 */
.footer-copyright {
  font-size: 0.85rem;
  color: #8d99ae;
  margin-top: 1rem;
}

[data-theme="dark"] .footer-copyright {
  color: #8d99ae;
}

/* 页脚标题 */
.footer-heading {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.75rem;
  color: #2b2d42;
}

[data-theme="dark"] .footer-heading {
  color: #f8f9fa;
}

.footer-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: linear-gradient(to right, #4361ee, #3bc47d);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.footer-heading-hover::after {
  width: 60px;
}

/* 页脚链接 */
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-link {
  color: #6c757d;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  font-size: 0.95rem;
}

.footer-link:hover {
  color: #4361ee;
  transform: translateX(5px);
}

[data-theme="dark"] .footer-link {
  color: #a0a8c0;
}

[data-theme="dark"] .footer-link:hover {
  color: #4cc9f0;
}

.footer-link i {
  margin-right: 0.75rem;
  font-size: 1rem;
}

/* 联系信息 */
.footer-contact {
  margin-bottom: 0.75rem;
}

.footer-contact a {
  color: #6c757d;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  font-size: 0.95rem;
}

.footer-contact a:hover {
  color: #4361ee;
}

[data-theme="dark"] .footer-contact a {
  color: #a0a8c0;
}

[data-theme="dark"] .footer-contact a:hover {
  color: #4cc9f0;
}

.footer-contact i {
  margin-right: 0.75rem;
  font-size: 1rem;
}

/* 社交图标 */
.footer-social {
  display: flex;
  margin-top: 1.5rem;
}

.footer-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(67, 97, 238, 0.1);
  color: #4361ee;
  margin-right: 1rem;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.footer-social-icon:hover {
  background-color: #4361ee;
  color: white;
  transform: translateY(-3px);
}

[data-theme="dark"] .footer-social-icon {
  background-color: rgba(76, 201, 240, 0.1);
  color: #4cc9f0;
}

[data-theme="dark"] .footer-social-icon:hover {
  background-color: #4cc9f0;
  color: #1a1a2e;
}

.footer-social-icon i {
  font-size: 1.25rem;
}

/* 联系按钮 */
.footer-contact-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  border: none;
  background: linear-gradient(135deg, #4361ee, #3a0ca3);
  color: white;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  margin-top: 1rem;
}

.footer-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
  color: white;
}

[data-theme="dark"] .footer-contact-btn {
  background: linear-gradient(135deg, #4cc9f0, #4361ee);
}

.footer-contact-btn i {
  margin-right: 0.5rem;
}

/* 底部边框 */
.footer-bottom {
  padding-top: 1.5rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .modern-footer {
    padding: 2rem 0 1.5rem;
  }
  
  .footer-brand-text {
    font-size: 1.1rem;
  }
  
  .footer-heading {
    margin-top: 1.5rem;
  }
}