/* 组件样式 - 按钮、导航、Footer等 */
/* ================================== */

/* 联系咨询弹窗组件 */
.contact-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.contact-modal--active {
  opacity: 1;
  visibility: visible;
}

.contact-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
}

.contact-modal__container {
  position: relative;
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px -8px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-normal);
}

.contact-modal--active .contact-modal__container {
  transform: scale(1) translateY(0);
}

.contact-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-gray-100);
  background: var(--color-white);
}

.contact-modal__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin: 0;
  color: var(--color-gray-900);
}

.contact-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-gray-100);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.contact-modal__close:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-800);
}

.contact-modal__body {
  padding: var(--space-6);
  max-height: calc(90vh - 80px);
  overflow-y: auto;
}

/* 欢迎致电区域 */
.welcome-call {
  text-align: center;
  margin-bottom: var(--space-6);
  padding: var(--space-4) 0;
}

.welcome-call__title {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  margin: 0 0 var(--space-3) 0;
}

.welcome-call__phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.phone-icon {
  color: var(--color-brand-green);
  flex-shrink: 0;
}

.phone-number {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-brand-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.phone-number:hover {
  color: var(--color-brand-green-dark);
}

.phone-manager {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-left: var(--space-2);
}


/* 分隔线 */
.contact-modal__divider {
  position: relative;
  text-align: center;
  margin: var(--space-5) 0 var(--space-4) 0;
}

.contact-modal__divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gray-200);
  z-index: 1;
}

.contact-modal__divider-text {
  position: relative;
  display: inline-block;
  padding: 0 var(--space-3);
  background: var(--color-white);
  color: var(--color-gray-500);
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  z-index: 2;
}

/* 联系表单 */
.contact-form__intro {
  text-align: center;
  margin-bottom: var(--space-4);
}

.contact-form__intro p {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  margin: 0;
  line-height: 1.5;
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-input {
  width: 100%;
  height: 48px;
  padding: 0 var(--space-4);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--color-gray-900);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  box-sizing: border-box;
  text-align: center;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-brand-green);
  box-shadow: 0 0 0 3px rgba(0, 204, 203, 0.1);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-actions {
  margin-top: var(--space-4);
}

.btn--full {
  width: 100%;
  height: 48px;
  justify-content: center;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
}

.btn__loading {
  display: none;
  align-items: center;
  gap: var(--space-2);
}

.loading-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 表单消息 */
.form-error,
.form-success {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-4);
  animation: slideInDown 0.3s ease-out;
}

.form-error {
  background: var(--color-red-50);
  color: var(--color-red-700);
  border: 1px solid var(--color-red-200);
}

.form-success {
  background: var(--color-green-50);
  color: var(--color-green-700);
  border: 1px solid var(--color-green-200);
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 防止页面滚动 */
.modal-open {
  overflow: hidden;
}

/* 响应式设计 */
@media (max-width: 640px) {
  .contact-modal__container {
    width: 95%;
    max-width: 360px;
    max-height: 95vh;
  }
  
  .contact-modal__header {
    padding: var(--space-4) var(--space-5);
  }
  
  .contact-modal__title {
    font-size: var(--text-base);
  }
  
  .contact-modal__body {
    padding: var(--space-5);
  }
  
  .welcome-call {
    padding: var(--space-3) 0;
  }
  
  .welcome-call__title {
    font-size: var(--text-sm);
  }
  
  .phone-number {
    font-size: var(--text-lg);
  }
  
  .phone-manager {
    font-size: var(--text-xs);
  }
  
  .form-input {
    height: 44px;
    font-size: var(--text-sm);
  }
  
  .btn--full {
    height: 44px;
    font-size: var(--text-sm);
  }
}

/* ================================== */

/* Toast 提示组件 */
.toast-container {
  position: fixed;
  top: 110px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 320px;
  max-width: 480px;
  padding: var(--space-4) var(--space-5);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
  border-left: 4px solid;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-40px) scale(0.95);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast--show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast--hide {
  opacity: 0;
  transform: translateY(-40px) scale(0.95);
}

.toast--success {
  border-left-color: var(--color-brand-green);
}

.toast--success .toast__icon {
  color: var(--color-brand-green);
}

.toast--error {
  border-left-color: var(--color-red-500);
}

.toast--error .toast__icon {
  color: var(--color-red-500);
}

.toast--warning {
  border-left-color: var(--color-yellow-500);
}

.toast--warning .toast__icon {
  color: var(--color-yellow-500);
}

.toast--info {
  border-left-color: var(--color-blue-500);
}

.toast--info .toast__icon {
  color: var(--color-blue-500);
}

.toast__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast__message {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-800);
  line-height: 1.4;
}

.toast__close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-gray-400);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toast__close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

/* 移动端适配 */
@media (max-width: 640px) {
  .toast-container {
    top: 70px;
    left: 15px;
    right: 15px;
    transform: none;
  }
  
  .toast {
    min-width: auto;
    max-width: none;
    padding: var(--space-3) var(--space-4);
  }
  
  .toast__message {
    font-size: var(--text-xs);
  }
}

/* ================================== */

/* 按钮组件 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn__icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn__icon {
  transform: scale(1.1);
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--bg-theme-2) 0%, var(--bg-theme) 100%);
  color: var(--color-white);
  border-color: var(--bg-theme-2);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--bg-theme) 0%, var(--color-primary-dark) 100%);
  border-color: var(--bg-theme);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(15, 40, 86, 0.25);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn--outline {
  background-color: transparent;
  color: var(--bg-theme);
  border-color: var(--bg-theme-2);
}

.btn--outline:hover {
  background: linear-gradient(135deg, var(--bg-theme-2) 0%, var(--bg-theme) 100%);
  color: var(--color-white);
  border-color: var(--bg-theme);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(15, 40, 86, 0.25);
}

/* 导航组件 */
.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--border-color-light);
  z-index: var(--z-fixed);
  transition: all 0.7s ease;
}

.header--scrolled {
  position: fixed;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(74, 144, 226, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  animation: fadeInDown 0.7s ease-in-out;
  z-index: var(--z-modal);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  transition: all 0.7s ease;
}

.header--scrolled .nav {
  padding: 12px 0;
}

.nav__brand {
  flex-shrink: 0;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav__logo:hover {
  transform: translateY(-1px);
}

.nav__logo-img {
  height: 40px;
  width: auto;
}

@media (min-width: 768px) {
  .nav__logo-img {
    height: 50px;
  }
}

.nav__logo-text {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .nav__logo-text {
    font-size: var(--text-xl);
  }
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

@media (max-width: 1023px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-20) var(--space-6);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: var(--z-modal);
  }
  
  .nav__menu--active {
    right: 0;
  }
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (max-width: 1023px) {
  .nav__list {
    flex-direction: column;
    gap: var(--space-6);
    width: 100%;
    margin-bottom: var(--space-8);
  }
}

.nav__item {
  position: relative;
}

.nav__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
}

.nav__link:hover {
  color: var(--bg-theme);
  background-color: rgba(15, 40, 86, 0.08);
  transform: translateY(-1px);
}

.nav__link--active {
  color: var(--bg-theme);
  background-color: rgba(15, 40, 86, 0.12);
  font-weight: var(--font-semibold);
}

@media (max-width: 1023px) {
  .nav__link {
    width: 100%;
    text-align: center;
    padding: var(--space-4);
    font-size: var(--text-lg);
  }
}

.nav__cta {
  flex-shrink: 0;
}

.nav__cta .btn {
  background: linear-gradient(135deg, var(--bg-theme-2) 0%, var(--bg-theme) 100%);
  color: var(--color-white);
  border: 2px solid var(--bg-theme-2);
  padding: var(--space-3) var(--space-6);
  font-weight: var(--font-semibold);
}

.nav__cta .btn:hover {
  background: linear-gradient(135deg, var(--bg-theme) 0%, var(--color-primary-dark) 100%);
  border-color: var(--bg-theme);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(15, 40, 86, 0.25);
}

@media (max-width: 1023px) {
  .nav__cta .btn {
    width: 100%;
    justify-content: center;
  }
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: calc(var(--z-modal) + 1);
}

@media (max-width: 1023px) {
  .nav__toggle {
    display: flex;
  }
}

.nav__toggle-line {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.nav__toggle--active .nav__toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav__toggle--active .nav__toggle-line:nth-child(2) {
  opacity: 0;
}

.nav__toggle--active .nav__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}


/* Newsletter 和 Footer 样式 */
.newsletter-area {
  position: relative;
  z-index: 9;
  margin-bottom: -40px;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .newsletter-area {
    padding: 0 var(--space-8);
  }
}

.newsletter-wrapper-all {
  background: var(--bg-theme-2);
  border-radius: var(--radius-lg);
  overflow: visible;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.newsletter-content {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100px;
  position: relative;
}

@media (min-width: 1024px) {
  .newsletter-content {
    grid-template-columns: 5fr 7fr;
    min-height: 100px;
  }
}

.newsletter-img {
  position: relative;
  background-image: url('../assets/images/newsletter-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 7px 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: visible;
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

@media (min-width: 1024px) {
  .newsletter-img {
    padding: 3px 0;
  }
}

.newsletter-img img {
  height: auto;
  margin-left: 45px;
  margin-top: -67px;
  max-width: none;
  width: auto;
  position: relative;
  z-index: 15;
}

@media (max-width: 1023px) {
  .newsletter-img {
    justify-content: center;
  }
  
  .newsletter-img img {
    margin-left: 0;
    margin-top: 0;
    max-width: 180px;
  }
}

@media (max-width: 767px) {
  .newsletter-img {
    justify-content: center;
  }
  
  .newsletter-img img {
    margin-left: 0;
    margin-top: 0;
    width: 100%;
    max-width: 150px;
  }
}

.newsletter-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 25px 10px 30px;
  color: white;
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

@media (min-width: 768px) {
  .newsletter-wrapper {
    padding: 20px 70px 24px 40px;
  }
}

@media (min-width: 1024px) {
  .newsletter-wrapper {
    padding: 30px 154px 35px 110px;
  }
}

.newsletter-title {
  margin-bottom: var(--space-4);
}

.newsletter-title h3 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .newsletter-title h3 {
    font-size: var(--text-3xl);
  }
}

.subscribe-form h4 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin: 0;
}

@media (min-width: 768px) {
  .subscribe-form h4 {
    font-size: var(--text-2xl);
  }
}

.contact-manager {
  color: #00CCCB;
  font-weight: var(--font-bold);
}

.contact-phone {
  color: #00CCCB;
  font-weight: var(--font-bold);
}

/* Footer 主体 */
.footer {
  background: var(--bg-theme);
  color: var(--color-white);
  padding-top: 100px;
  padding-bottom: 0;
}

@media (max-width: 1023px) {
  .footer {
    padding-top: var(--space-20);
  }
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .footer__content {
    grid-template-columns: 2fr 0.8fr 1.5fr 1fr;
    gap: var(--space-6);
    align-items: start;
  }
}

.footer__brand {
  margin-bottom: var(--space-6);
}

/* Footer Section 特定样式 - 预留空间供后续扩展 */

.footer__section--qr {
  /* 二维码区域，内容最少，居中显示 */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* 平板和小设备响应式 - 所有section居中 */
@media (max-width: 1023px) {
  .footer__section {
    text-align: center;
  }
  
  .footer__section--about {
    text-align: center;
  }
  
  .footer__section--links {
    text-align: center;
  }
  
  .footer__section--contact {
    text-align: center;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .footer__section--about {
    grid-column: span 2;
  }
  
  .footer__section--qr {
    grid-column: span 2;
  }
}

@media (min-width: 1024px) {
  .footer__section--about {
    grid-column: span 1;
  }
  
  /* 桌面端恢复左对齐 */
  .footer__section {
    text-align: left;
  }
}

.footer__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .footer__title {
    font-size: var(--text-2xl);
  }
}

.footer__desc {
  color: #919191;
  font-weight: var(--font-light);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.footer__desc span {
  font-weight: var(--font-semibold);
  font-size: var(--text-lg);
}

.footer__heading {
  color: #e4e4e4;
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .footer__heading {
    font-size: var(--text-2xl);
  }
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* 响应式 - 平板和小设备时快速链接居中 */
@media (max-width: 1023px) {
  .footer__links {
    display: inline-block;
    text-align: left;
  }
}

.footer__links li {
  position: relative;
  padding-bottom: var(--space-3);
  padding-left: var(--space-6);
}

.footer__links li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.footer__links li:last-child {
  padding-bottom: 0;
}

.footer__links a {
  color: #b6b6b6;
  font-size: var(--text-base);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__contact .footer-address {
  margin-bottom: var(--space-6);
}

.footer__contact .footer-address:last-child {
  margin-bottom: 0;
}

.footer__contact .footer-info-title span {
  color: #e4e4e4;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  display: block;
  margin-bottom: var(--space-2);
}

.footer__contact .footer-info-content p {
  color: #919191;
  font-size: var(--text-base);
  margin: 0;
  line-height: var(--leading-relaxed);
}

.footer__contact .footer-info-content a {
  color: var(--color-brand-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__contact .footer-info-content a:hover {
  color: var(--color-white);
}

.footer__contact .footer-support {
  margin-top: var(--space-6);
}

.footer__contact .footer-support h5 {
  color: #b6b6b6;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-1);
}

.footer__contact .footer-support span {
  color: #b6b6b6;
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  font-family: var(--font-primary);
}

.footer__qr {
  text-align: center;
}

.footer__qr img {
  max-width: 120px;
  height: auto;
  border-radius: var(--radius-base);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-4) 0;
  margin-top: var(--space-6);
}

.footer__bottom .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .footer__bottom .container {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__copyright {
  color: #919191;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  margin: 0;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__copyright {
    text-align: left;
  }
}

.footer__copyright a {
  color: var(--color-brand-green);
  text-decoration: none;
}

.footer__copyright a:hover {
  color: var(--color-white);
}

.footer__payment img {
  height: 24px;
  width: auto;
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3), 0 2px 4px rgba(0, 0, 0, 0.1);
  transform: translateY(100px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.back-to-top:hover {
  transform: translateY(0) scale(1.02);
  box-shadow: 0 6px 16px rgba(74, 144, 226, 0.25), 0 2px 6px rgba(0, 0, 0, 0.12);
}

.back-to-top--visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.back-to-top__icon {
  transition: none;
}

/* 滚动触发动画 */
.scroll-animate {
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate--hidden {
  opacity: 0;
  transform: translateY(30px);
}

.scroll-animate--visible {
  opacity: 1;
  transform: translateY(0);
}

/* 不同类型的滚动动画效果 */
.scroll-animate--fade {
  transition: opacity 0.8s ease-out;
}

.scroll-animate--fade.scroll-animate--hidden {
  opacity: 0;
  transform: none;
}

.scroll-animate--slide-up {
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate--slide-up.scroll-animate--hidden {
  opacity: 0;
  transform: translateY(50px);
}

.scroll-animate--slide-left {
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate--slide-left.scroll-animate--hidden {
  opacity: 0;
  transform: translateX(-50px);
}

.scroll-animate--slide-right {
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate--slide-right.scroll-animate--hidden {
  opacity: 0;
  transform: translateX(50px);
}

.scroll-animate--scale {
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate--scale.scroll-animate--hidden {
  opacity: 0;
  transform: scale(0.8);
}

/* 延迟动画支持 - 只在元素变为可见时应用延迟 */
.scroll-animate--visible[data-animation-delay="200"] {
  transition-delay: 200ms;
}

.scroll-animate--visible[data-animation-delay="400"] {
  transition-delay: 400ms;
}

.scroll-animate--visible[data-animation-delay="600"] {
  transition-delay: 600ms;
}

.scroll-animate--visible[data-animation-delay="800"] {
  transition-delay: 800ms;
}

.scroll-animate--visible[data-animation-delay="500"] {
  transition-delay: 500ms;
}

.scroll-animate--visible[data-animation-delay="700"] {
  transition-delay: 700ms;
}

/* 案例与价值布局样式 - 使用engine-item布局 */
/* 案例与价值相关的特定样式保留在下方 */

.case-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3); /* 减少底部间距 */
  gap: var(--space-4);
}

.case-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0;
  flex: 1;
}

.case-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: linear-gradient(135deg, var(--color-brand-green) 0%, var(--color-brand-green-light) 100%);
  color: white;
  padding: var(--space-2) var(--space-3);
  border-radius: 20px;
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 204, 203, 0.3);
}

.case-badge svg {
  width: 14px;
  height: 14px;
}

.case-description {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-700);
  margin-bottom: var(--space-6); /* 减少底部间距 */
}

.achievements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* 当父容器可见时，触发卡片动画 */
.scroll-animate--visible .achievements-grid {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.achievement-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: white;
  border-radius: 12px;
  border: 1px solid var(--color-gray-200);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* 移除 cursor: pointer，因为卡片不可点击 */
  position: relative;
  overflow: hidden;
}

/* 添加悬浮前的装饰效果 */
.achievement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(0, 204, 203, 0.1) 50%, 
    transparent 100%
  );
  transition: left 0.6s ease;
  z-index: 1;
}

.achievement-card:hover::before {
  left: 100%;
}

.achievement-card:hover {
  /* 移除漂浮效果，保持简洁 */
  border-color: rgba(0, 204, 203, 0.2);
}

.achievement-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition-fast);
  position: relative;
  z-index: 2; /* 确保图标在装饰效果之上 */
}

.achievement-card:hover .achievement-icon {
  /* 移除缩放效果，只保留颜色变化 */
  background: linear-gradient(135deg, 
    var(--color-brand-green) 0%, 
    var(--color-brand-green-light) 100%
  );
}

.achievement-content {
  flex: 1;
  position: relative;
  z-index: 2; /* 确保内容在装饰效果之上 */
}

.achievement-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0 0 var(--space-1) 0;
  line-height: 1.4;
}

.achievement-desc {
  font-size: var(--text-sm); /* 从 xs 增大到 sm */
  color: var(--color-gray-600);
  margin: 0;
  line-height: 1.5;
}

/* 案例与价值响应式设计 */
@media (max-width: 1024px) {
  .case-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .case-badge {
    align-self: flex-start;
  }
}

@media (max-width: 640px) {
  .achievements-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .achievement-card {
    padding: var(--space-3);
  }
  
  .achievement-icon {
    width: 36px;
    height: 36px;
  }
}

/* 基于时间的动画系统 - 用于解决视口内元素的动画问题 */
.timed-animate {
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.timed-animate--hidden {
  opacity: 0;
  transform: translateY(30px);
}

.timed-animate--visible {
  opacity: 1;
  transform: translateY(0);
}

/* 不同类型的时间动画效果 */
.timed-animate--slide-up.timed-animate--hidden {
  opacity: 0;
  transform: translateY(50px);
}

.timed-animate--slide-left.timed-animate--hidden {
  opacity: 0;
  transform: translateX(-50px);
}

.timed-animate--slide-right.timed-animate--hidden {
  opacity: 0;
  transform: translateX(50px);
}

/* 减少动画的用户偏好设置支持 */
@media (prefers-reduced-motion: reduce) {
  .scroll-animate,
  .scroll-animate--fade,
  .scroll-animate--slide-up,
  .scroll-animate--slide-left,
  .scroll-animate--slide-right,
  .scroll-animate--scale,
  .timed-animate,
  .timed-animate--slide-up,
  .timed-animate--slide-left,
  .timed-animate--slide-right {
    transition: none;
  }
  
  .scroll-animate--hidden,
  .timed-animate--hidden {
    opacity: 1;
    transform: none;
  }
}

/* 加载组件样式 */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 1;
  visibility: visible;
  transition: all 0.3s ease-in-out;
}

.loading--hide {
  opacity: 0;
  visibility: hidden;
}

.loading__spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-200);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-4);
}

.loading__text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
}

/* 动画 */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 背景图片渐变出现动画 */
@keyframes bgFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 0.9;
    transform: translateY(0) scale(1);
  }
}

/* 主图容器渐变出现动画 */
@keyframes mainImageFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ========================================== */
/* 首页专用组件样式 */
/* ========================================== */

/* 首页Hero区域 */
.hero--home {
  padding: var(--space-20) 0 var(--space-16);
  position: relative;
  overflow: hidden;
  background: 
    linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 25%, #bae6fd 50%, #e0f2fe 75%, #f0f9ff 100%),
    radial-gradient(circle at 25% 25%, rgba(0, 204, 203, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(74, 144, 226, 0.10) 0%, transparent 50%),
    radial-gradient(circle at 50% 10%, rgba(0, 204, 203, 0.06) 0%, transparent 40%);
  color: var(--text-primary);
}

.hero--home::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 80%, rgba(0, 204, 203, 0.18) 0%, rgba(0, 204, 203, 0.08) 30%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(74, 144, 226, 0.15) 0%, rgba(74, 144, 226, 0.05) 30%, transparent 60%),
    radial-gradient(ellipse at 60% 40%, rgba(0, 204, 203, 0.10) 0%, rgba(74, 144, 226, 0.05) 50%, transparent 80%);
  backdrop-filter: blur(1.5px) saturate(150%);
  animation: glassFlow 12s ease-in-out infinite;
  z-index: -1;
}

.hero--home::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 20%, rgba(0, 204, 203, 0.08) 40%, rgba(255, 255, 255, 0.12) 50%, rgba(74, 144, 226, 0.06) 60%, transparent 80%),
    linear-gradient(-45deg, transparent 30%, rgba(0, 204, 203, 0.06) 50%, transparent 70%);
  backdrop-filter: blur(0.8px) saturate(120%);
  animation: glassShimmer 18s ease-in-out infinite;
  z-index: -1;
}

@keyframes glassFlow {
  0%, 100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.7;
  }
  33% {
    transform: scale(1.02) rotate(1deg);
    opacity: 0.9;
  }
  66% {
    transform: scale(0.98) rotate(-0.5deg);
    opacity: 0.8;
  }
}

@keyframes glassShimmer {
  0%, 100% {
    transform: translateX(-100px) translateY(-50px);
    opacity: 0.3;
  }
  50% {
    transform: translateX(100px) translateY(50px);
    opacity: 0.6;
  }
}

/* 页面元素进入动画 */
@keyframes fadeInUp {
  0% {
    transform: translateY(30px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeInRight {
  0% {
    transform: translateX(30px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}


.hero--home .hero__content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8); /* 减小间距从space-12到space-8 */
  align-items: center;
  max-width: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

/* 添加微妙的浮动动画给整个内容区域 */
.hero--home .hero__content {
  animation: gentleFloat 6s ease-in-out infinite;
}

@keyframes gentleFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

.hero--home .hero__text {
  max-width: none;
  text-align: left;
  animation: fadeInUp 1s ease-out;
}

.hero--home .hero__image {
  animation: fadeInRight 1s ease-out 0.3s both;
}

/* 主视觉图片样式 */
.hero__main-image {
  width: 100%;
  height: auto;
  max-width: 750px; /* 进一步增大图片尺寸 */
  border-radius: var(--radius-lg);
  /* 完全移除box-shadow，只保留非常轻微的drop-shadow */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  object-fit: contain;
  /* 使用更轻微的投影，让图片更自然地融入背景 */
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.06));
}

.hero__main-image:hover {
  transform: translateY(-6px) scale(1.02); /* 减少悬停效果，更自然 */
  /* 悬停时只是轻微增强投影 */
  filter: drop-shadow(0 12px 25px rgba(0, 0, 0, 0.08));
}

/* 标签依次出现动画 */
.hero--home .hero__tags .tag:nth-child(1) {
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero--home .hero__tags .tag:nth-child(2) {
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero--home .hero__tags .tag:nth-child(3) {
  animation: fadeInUp 0.8s ease-out 1.0s both;
}

.hero--home .hero__tags .tag:nth-child(4) {
  animation: fadeInUp 0.8s ease-out 1.2s both;
}

/* 按钮动画 */
.hero--home .hero__cta .btn:nth-child(1) {
  animation: fadeInUp 0.8s ease-out 1.4s both;
}

.hero--home .hero__cta .btn:nth-child(2) {
  animation: fadeInUp 0.8s ease-out 1.6s both;
}

.hero--home .hero__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-brand-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 
    0 0 15px rgba(74, 144, 226, 0.15),
    0 0 30px rgba(0, 204, 203, 0.1),
    0 1px 4px rgba(74, 144, 226, 0.08);
}

.hero--home .hero__subtitle {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

.hero--home .hero__description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

/* 标签样式 */
.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  justify-content: flex-start;
}

/* 按钮容器居左对齐 */
.hero--home .hero__cta {
  display: flex;
  gap: var(--space-4);
  justify-content: flex-start;
  align-items: center;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-radius: 20px;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: default;
}

/* 标签简单进入动画 */
.hero--home .hero__tags .tag:nth-child(1) {
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero--home .hero__tags .tag:nth-child(2) {
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero--home .hero__tags .tag:nth-child(3) {
  animation: fadeInUp 0.8s ease-out 1.0s both;
}

.hero--home .hero__tags .tag:nth-child(4) {
  animation: fadeInUp 0.8s ease-out 1.2s both;
}

.tag--primary {
  background: rgba(255, 255, 255, 0.85);
  color: #0891b2;
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px) saturate(180%);
  box-shadow: 
    0 4px 8px rgba(255, 255, 255, 0.4),
    0 2px 4px rgba(0, 18, 50, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.tag--primary:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-brand-green);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 
    0 8px 15px rgba(255, 255, 255, 0.6),
    0 4px 8px rgba(0, 204, 203, 0.3),
    0 0 0 1px rgba(0, 204, 203, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* 图片占位符 */
.image-placeholder {
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}

.image-placeholder:hover {
  border-color: var(--color-brand-green);
  background: linear-gradient(135deg, var(--color-brand-green-50) 0%, var(--color-brand-green-100) 100%);
  color: var(--color-brand-green);
}

.image-placeholder--hero {
  height: 400px;
  width: 100%;
  background: rgba(255, 255, 255, 0.6);
  border: 2px dashed rgba(255, 255, 255, 0.7);
  color: var(--color-gray-600);
  backdrop-filter: blur(15px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(255, 255, 255, 0.4),
    0 4px 16px rgba(74, 144, 226, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.image-placeholder--hero:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(74, 144, 226, 0.4);
  color: var(--color-primary);
  box-shadow: 
    0 12px 40px rgba(255, 255, 255, 0.6),
    0 6px 20px rgba(74, 144, 226, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.image-placeholder--icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
}

.image-placeholder--feature {
  width: 60px;
  height: 60px;
  border-radius: 50%;
}

.image-placeholder--large {
  height: 300px;
  width: 100%;
  margin-top: var(--space-12);
}

.image-placeholder--showcase {
  height: 400px;
  width: 100%;
  background: rgba(255, 255, 255, 0.4);
  border: 2px dashed rgba(255, 255, 255, 0.6);
  color: var(--color-gray-600);
  backdrop-filter: blur(12px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(255, 255, 255, 0.3),
    0 4px 16px rgba(74, 144, 226, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: all var(--transition-base);
}

.image-placeholder--showcase:hover {
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(74, 144, 226, 0.3);
  color: var(--color-primary);
  box-shadow: 
    0 12px 40px rgba(255, 255, 255, 0.5),
    0 6px 20px rgba(74, 144, 226, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.image-placeholder__content {
  text-align: center;
}

.image-placeholder__content p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
}

/* 核心价值区域 - 第二屏浅灰背景 */
.core-values {
  padding: var(--space-20) 0;
  background-color: var(--bg-main);
  position: relative;
}

/* 第二屏动画效果 */
.core-values .section-header {
  animation: fadeInUp 0.8s ease-out;
}

.core-values .value-card:nth-child(1) {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.core-values .value-card:nth-child(2) {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.core-values .value-card:nth-child(3) {
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4); 
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-brand-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
  position: relative;
  display: inline-block;
  text-shadow: 
    0 0 15px rgba(74, 144, 226, 0.15),
    0 0 30px rgba(0, 204, 203, 0.1),
    0 1px 4px rgba(74, 144, 226, 0.08);
}

.section-intro {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.value-card {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.95) 0%, 
    rgba(248, 250, 252, 0.98) 25%, 
    rgba(241, 245, 249, 0.95) 50%, 
    rgba(248, 250, 252, 0.98) 75%, 
    rgba(255, 255, 255, 0.95) 100%
  );
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.08), 
    0 2px 4px -1px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
  border: 1px solid rgba(226, 232, 240, 0.6);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(74, 144, 226, 0.08) 50%, 
    transparent 100%
  );
  transition: left 0.6s ease;
}

.value-card:hover::before {
  left: 100%;
}

.value-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.12), 
    0 10px 10px -5px rgba(0, 0, 0, 0.06),
    0 0 0 1px rgba(0, 204, 203, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 204, 203, 0.2);
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.98) 0%, 
    rgba(240, 249, 255, 0.95) 25%, 
    rgba(224, 242, 254, 0.92) 50%, 
    rgba(240, 249, 255, 0.95) 75%, 
    rgba(255, 255, 255, 0.98) 100%
  );
}

/* 移除图标相关样式，简化卡片设计 */

.value-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  line-height: 1.3;
  position: relative;
  z-index: 1;
}

.value-card__target {
  color: #0891b2;
  font-weight: 700;
}

.value-card__description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 为什么选择我们区域 - 第三屏毛玻璃渐变背景 */
.why-choose-us {
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
  background: 
    linear-gradient(135deg, #f8fafc 0%, #e2e8f0 25%, #cbd5e1 50%, #e2e8f0 75%, #f8fafc 100%),
    radial-gradient(circle at 20% 80%, rgba(74, 144, 226, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 204, 203, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(74, 144, 226, 0.04) 0%, transparent 60%);
}

.why-choose-us::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 30% 70%, rgba(74, 144, 226, 0.12) 0%, rgba(74, 144, 226, 0.06) 30%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(0, 204, 203, 0.10) 0%, rgba(0, 204, 203, 0.04) 30%, transparent 60%);
  backdrop-filter: blur(1px) saturate(120%);
  animation: subtleGlassFlow 15s ease-in-out infinite;
  z-index: -1;
}

@keyframes subtleGlassFlow {
  0%, 100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.01) rotate(0.5deg);
    opacity: 0.8;
  }
}

/* 第三屏左右布局 */
.why-choose-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-top: var(--space-8);
}

/* 第三屏动画效果 */
.why-choose-us .section-header {
  animation: fadeInUp 0.8s ease-out;
}

.why-choose-us .why-choose-image {
  animation: fadeInLeft 0.8s ease-out 0.2s both;
}

.why-choose-us .feature-item:nth-child(1) {
  animation: fadeInRight 0.8s ease-out 0.4s both;
}

.why-choose-us .feature-item:nth-child(2) {
  animation: fadeInRight 0.8s ease-out 0.6s both;
}

.why-choose-us .feature-item:nth-child(3) {
  animation: fadeInRight 0.8s ease-out 0.8s both;
}

@keyframes fadeInLeft {
  0% {
    transform: translateX(-30px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

/* 简洁轮播样式 - 自适应图片尺寸 */
.image-carousel {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.carousel-image {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 100%;
  height: auto;
  opacity: 0;
  transition: opacity 0.6s ease-in-out;
  border-radius: var(--radius-lg);
  box-shadow: 
    0 8px 32px rgba(255, 255, 255, 0.4),
    0 4px 16px rgba(74, 144, 226, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.1);
}

.carousel-image.active {
  opacity: 1;
  position: relative;
  top: auto;
  left: auto;
  transform: none;
}

.carousel-indicators {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 10;
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 0, 0, 0.4);
  border-radius: 20px;
  backdrop-filter: blur(8px);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active,
.carousel-dot:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.9);
  transform: scale(1.2);
}

.why-choose-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.feature-item {
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px) saturate(180%);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.06), 
    0 2px 4px -1px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

.feature-item:hover {
  transform: translateX(8px);
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 204, 203, 0.2);
  box-shadow: 
    0 10px 15px -3px rgba(0, 0, 0, 0.08), 
    0 4px 6px -2px rgba(0, 0, 0, 0.04),
    0 0 0 1px rgba(0, 204, 203, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.feature-item__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.feature-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  transition: all var(--transition-fast);
}

.feature-item:hover .feature-item__icon {
  transform: scale(1.1);
}

.feature-item__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.feature-item__description {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: var(--text-base);
  margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .hero--home .hero__content {
    grid-template-columns: 1fr;
    gap: var(--space-6); /* 移动端进一步减小间距 */
    text-align: center;
  }
  
  .hero--home .hero__text {
    text-align: center;
  }
  
  .hero__tags {
    justify-content: center;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  /* 第三屏响应式 */
  .why-choose-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .why-choose-image {
    order: 2;
  }
  
  .why-choose-features {
    order: 1;
  }
  
  .feature-item:hover {
    transform: translateY(-4px);
  }
}

/* 第四屏 - 了解更多导航区域 */
.learn-more {
  padding: var(--space-20) 0;
  background-color: var(--bg-main);
  position: relative;
}

/* 第四屏动画效果 */
.learn-more .section-header {
  animation: fadeInUp 0.8s ease-out;
}

.learn-more .nav-card:nth-child(1) {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.learn-more .nav-card:nth-child(2) {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.learn-more .nav-card:nth-child(3) {
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.learn-more .nav-card:nth-child(4) {
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.navigation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.nav-card {
  display: block;
  padding: var(--space-8) var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-100);
  text-align: center;
  text-decoration: none;
  color: inherit;
}

.nav-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border-color: var(--color-brand-green-100);
  background: linear-gradient(135deg, var(--color-white) 0%, rgba(0, 204, 203, 0.02) 100%);
}

.nav-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, 
    rgba(0, 204, 203, 0.1) 0%, 
    rgba(74, 144, 226, 0.1) 100%
  );
  border-radius: 50%;
  border: 1px solid rgba(0, 204, 203, 0.2);
  transition: all var(--transition-fast);
}

.nav-card:hover .nav-card__icon {
  background: linear-gradient(135deg, 
    rgba(0, 204, 203, 0.2) 0%, 
    rgba(74, 144, 226, 0.2) 100%
  );
  border-color: rgba(0, 204, 203, 0.3);
  transform: scale(1.1);
}

.nav-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.nav-card__description {
  color: var(--text-secondary);
  line-height: 1.5;
  font-size: var(--text-base);
  margin: 0;
}

@media (max-width: 768px) {
  .hero--home .hero__title {
    font-size: var(--text-3xl);
  }
  
  .hero--home .hero__subtitle {
    font-size: var(--text-lg);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .image-placeholder--hero {
    height: 250px;
  }
  
  /* 移动端主视觉图片调整 */
  .hero__main-image {
    max-width: 100%;
    border-radius: var(--radius-md);
    /* 移动端使用更轻微的投影 */
    filter: drop-shadow(0 6px 15px rgba(0, 0, 0, 0.04));
  }
  
  .hero__main-image:hover {
    /* 移动端减少悬停效果 */
    transform: translateY(-3px) scale(1.01);
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.06));
  }
  
  .image-placeholder--large {
    height: 200px;
  }
  
  /* 第四屏响应式 - 移动端单列 */
  .navigation-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .nav-card {
    padding: var(--space-6) var(--space-4);
  }
  
  .nav-card__icon {
    width: 60px;
    height: 60px;
  }
}

/* 第四屏中等屏幕优化 - 确保2x2布局 */
@media (min-width: 769px) and (max-width: 1100px) {
  .navigation-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
}

/* 第四屏大屏幕 - 4列布局 */
@media (min-width: 1101px) {
  .navigation-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

/* 中等屏幕优化 */
@media (min-width: 768px) and (max-width: 1200px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
  
  .value-card {
    padding: var(--space-5);
  }
}

/* 首页Hero区域按钮特殊样式 - 纯白色 */
.hero--home .btn--outline {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(15px) saturate(180%);
  box-shadow: 
    0 4px 12px rgba(255, 255, 255, 0.3),
    0 2px 4px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero--home .btn--outline:hover {
  background: rgba(255, 255, 255, 1);
  color: var(--color-primary);
  border-color: rgba(255, 255, 255, 1);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 
    0 12px 30px rgba(255, 255, 255, 0.6),
    0 6px 12px rgba(74, 144, 226, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.hero--home .btn--outline:active {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 
    0 6px 20px rgba(255, 255, 255, 0.5),
    0 3px 8px rgba(74, 144, 226, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* 首页主按钮优化 - 与顶部导航统一 */
.hero--home .btn--primary {
  background: linear-gradient(135deg, var(--bg-theme) 0%, var(--color-primary-dark) 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  box-shadow: 
    0 4px 12px rgba(0, 18, 50, 0.4),
    0 2px 4px rgba(15, 40, 86, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero--home .btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--bg-theme) 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 
    0 12px 30px rgba(0, 18, 50, 0.5),
    0 6px 12px rgba(15, 40, 86, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.hero--home .btn--primary:active {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 
    0 6px 20px rgba(0, 18, 50, 0.4),
    0 3px 8px rgba(15, 40, 86, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* ========================================== */
/* 解决方案页面专用样式 */
/* ========================================== */

/* 第一屏 - 解决方案Hero区域 */
.solutions-hero {
  padding: var(--space-20) 0 var(--space-16);
  background: 
    linear-gradient(135deg, #001232 0%, #0f2856 25%, #1e3a8a 50%, #0f2856 75%, #001232 100%),
    radial-gradient(circle at 25% 25%, rgba(15, 40, 86, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(0, 18, 50, 0.2) 0%, transparent 50%);
  position: relative;
  overflow: hidden;
}

.solutions-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 30% 70%, rgba(15, 40, 86, 0.4) 0%, rgba(15, 40, 86, 0.1) 30%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(0, 18, 50, 0.3) 0%, rgba(0, 18, 50, 0.08) 30%, transparent 60%);
  backdrop-filter: blur(1px) saturate(130%);
  animation: subtleGlassFlow 12s ease-in-out infinite;
  z-index: -1;
}

.solutions-hero__content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out;
}

.solutions-hero__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 
    0 0 20px rgba(255, 255, 255, 0.3),
    0 0 40px rgba(224, 242, 254, 0.2);
}

.solutions-hero__subtitle {
  font-size: var(--text-xl);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-6);
  line-height: 1.3;
}

@media (max-width: 768px) {
  .solutions-hero__title {
    font-size: var(--text-3xl);
  }
  
  .solutions-hero__subtitle {
    font-size: var(--text-lg);
  }
}

.solutions-hero__description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: var(--space-12);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .solutions-hero__description {
    font-size: var(--text-xl);
  }
}

/* 数字亮点 */
.solutions-hero__highlights {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

/* 数字亮点进入动画 */
.solutions-hero__highlights .highlight-item:nth-child(1) {
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.solutions-hero__highlights .highlight-item:nth-child(2) {
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.solutions-hero__highlights .highlight-item:nth-child(3) {
  animation: fadeInUp 0.8s ease-out 1.0s both;
}

.highlight-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(15px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(255, 255, 255, 0.4),
    0 4px 16px rgba(74, 144, 226, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
  width: 140px;
  min-height: 120px;
}

.highlight-item:hover {
  transform: translateY(-4px) scale(1.05);
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 204, 203, 0.3);
  box-shadow: 
    0 12px 40px rgba(255, 255, 255, 0.6),
    0 6px 20px rgba(0, 204, 203, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.highlight-number {
  font-size: var(--text-4xl);
  font-weight: 800;
  background: linear-gradient(135deg, #1e40af 0%, #0891b2 50%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
  filter: contrast(1.3) saturate(1.4) brightness(0.9);
  text-shadow: 0 0 1px rgba(30, 64, 175, 0.3);
}

.highlight-text {
  font-size: var(--text-base);
  font-weight: 700;
  background: linear-gradient(135deg, #1e40af 0%, #0891b2 50%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  filter: contrast(1.3) saturate(1.4) brightness(0.9);
  text-shadow: 0 0 1px rgba(30, 64, 175, 0.3);
}

/* 第二屏 - AI引擎区域 */
.ai-engines {
  padding: var(--space-20) 0;
  background-color: var(--bg-main);
  position: relative;
}

/* 第二屏页面加载动画 - 只显示标题和第一个引擎 */
.ai-engines .section-header {
  opacity: 0;
  transform: translateY(-30px);
  animation: fadeInDown 0.8s ease-out 1.2s both;
}

/* 第一个AI引擎在页面加载时显示 */
.ai-engines .engine-item:nth-child(2) {
  opacity: 0;
  transform: translateX(-50px);
  animation: slideInLeft 0.8s ease-out 1.4s both;
}

/* 其他AI引擎保持隐藏，等待滚动触发 */
.ai-engines .engine-item:nth-child(3),
.ai-engines .engine-item:nth-child(4),
.ai-engines .engine-item:nth-child(5) {
  opacity: 0 !important;
  transform: translateY(50px) !important;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 当滚动动画触发时显示 */
.ai-engines .engine-item:nth-child(3).scroll-animate--visible,
.ai-engines .engine-item:nth-child(4).scroll-animate--visible,
.ai-engines .engine-item:nth-child(5).scroll-animate--visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

@keyframes fadeInLeft {
  0% {
    transform: translateX(-30px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeInRight {
  0% {
    transform: translateX(30px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

.engine-item {
  margin-bottom: var(--space-16);
}

.engine-item:last-child {
  margin-bottom: 0;
}

.engine-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12); /* 增大间距到space-12，提供更好的视觉分离 */
  align-items: center;
}

.engine-item--reverse .engine-content {
  grid-template-columns: 0.9fr 1.1fr;
}

@media (max-width: 1024px) {
  .engine-content,
  .engine-item--reverse .engine-content {
    grid-template-columns: 1fr;
    gap: var(--space-8); /* 移动端适当增大间距，与桌面端保持比例 */
    text-align: center;
  }
  
  .engine-item--reverse .engine-image {
    order: -1;
  }
}

/* .engine-text 移除了内部padding以实现更紧凑的布局 */

.engine-image {
  display: flex;
  align-items: center;
  justify-content: center;
  /* padding: var(--space-8); */ /* 移除内部padding */
  position: relative; /* 为背景装饰元素提供定位上下文 */
  overflow: visible; /* 允许大圆形超出容器边界 */
}

.engine-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.engine-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #0891b2 0%, #0ea5e9 100%);
  color: var(--color-white);
  font-size: var(--text-xl);
  font-weight: 800;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

.engine-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

@media (min-width: 768px) {
  .engine-title {
    font-size: var(--text-3xl);
  }
}

.engine-subtitle {
  font-size: var(--text-lg);
  font-weight: 600;
  color: #0891b2;
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.engine-description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

/* 应用场景标签 */
.engine-scenarios {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.scenario-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: rgba(8, 145, 178, 0.1);
  color: #0891b2;
  border: 1px solid rgba(8, 145, 178, 0.2);
  border-radius: 20px;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.scenario-tag:hover {
  background: rgba(8, 145, 178, 0.15);
  border-color: rgba(8, 145, 178, 0.3);
  transform: translateY(-1px);
}

/* 流程步骤 - 简化版本 */
.engine-process {
  margin-top: var(--space-4);
}

.process-flow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

@media (max-width: 768px) {
  .process-flow {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .process-arrow {
    transform: rotate(90deg);
  }
}

.process-step {
  padding: var(--space-1) var(--space-3);
  background: rgba(8, 145, 178, 0.08);
  color: #0891b2;
  border: none;
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.process-step:hover {
  background: rgba(8, 145, 178, 0.12);
  transform: translateY(-1px);
}

.process-step-long {
  padding: var(--space-2) var(--space-4);
  background: rgba(8, 145, 178, 0.08);
  color: #0891b2;
  border: none;
  border-radius: 25px;
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-fast);
  margin: var(--space-1);
  display: inline-block;
}

.process-step-long:hover {
  background: rgba(8, 145, 178, 0.12);
  transform: translateY(-1px);
}

.process-arrow {
  color: #0891b2;
  font-size: var(--text-sm);
  font-weight: normal;
  opacity: 0.6;
}

/* 功能徽章 */
.engine-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.feature-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(74, 144, 226, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(74, 144, 226, 0.15);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.feature-badge:hover {
  background: rgba(74, 144, 226, 0.12);
  border-color: rgba(74, 144, 226, 0.25);
  transform: translateY(-1px);
}

.feature-badge--no-icon {
  padding: var(--space-1) var(--space-3);
  background: rgba(8, 145, 178, 0.08);
  color: #0891b2;
  border: none;
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-fast);
  margin: var(--space-1);
  display: inline-block;
}

.feature-badge--no-icon:hover {
  background: rgba(8, 145, 178, 0.12);
  transform: translateY(-1px);
}

/* 能力项目 */
.engine-capabilities {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.capability-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: rgba(8, 145, 178, 0.05);
  border: 1px solid rgba(8, 145, 178, 0.1);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.capability-item:hover {
  background: rgba(8, 145, 178, 0.1);
  border-color: rgba(8, 145, 178, 0.2);
  transform: translateY(-1px);
}

.capability-icon {
  font-size: var(--text-base);
}

/* 引擎图片占位符 */
.image-placeholder--engine {
  height: 320px;
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  border: 2px dashed rgba(8, 145, 178, 0.3);
  color: #0891b2;
  backdrop-filter: blur(10px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(255, 255, 255, 0.4),
    0 4px 16px rgba(8, 145, 178, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
}

.image-placeholder--engine:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(8, 145, 178, 0.5);
  color: #0891b2;
  box-shadow: 
    0 12px 40px rgba(255, 255, 255, 0.6),
    0 6px 20px rgba(8, 145, 178, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* 引擎主图片样式 */
.engine__main-image {
  width: auto; /* 对于竖向图片，让宽度自适应 */
  height: 500px; /* 设置固定高度，适合竖向图片 */
  max-width: 100%;
  max-height: 600px; /* 设置最大高度避免过高 */
  border-radius: var(--radius-lg);
  /* 使用轻微的投影，让透明背景图片自然显示 */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  object-fit: contain;
  /* 为透明背景图片添加微妙的投影，增强层次感 */
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.06));
}

.engine__main-image:hover {
  transform: translateY(-6px) scale(1.02); /* 简单的悬停缩放效果 */
  /* 悬停时轻微增强投影 */
  filter: drop-shadow(0 12px 25px rgba(0, 0, 0, 0.08));
}

/* 引擎背景装饰样式 */
.engine-bg-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none; /* 不影响图片的交互 */
  z-index: 1; /* 在图片背后 */
}

.engine__main-image {
  position: relative;
  z-index: 2; /* 确保图片在装饰元素之上 */
}

/* AI主题图标样式和动画 - 简化版 */
.ai-icon {
  position: absolute;
  opacity: 0.9; /* 增加透明度，更显眼 */
}

/* 对话气泡 - 放大版，右上角 */
.ai-chat-bubble-large {
  top: 10%;
  right: 5%;
  animation: chatBubbleFloat 4s ease-in-out infinite;
}

/* 简单圆形背景1 - 大圆，适度延伸 */
.ai-circle-bg-1 {
  bottom: 10%; /* 调整到更合适的位置 */
  left: -20px; /* 只是轻微超出左侧 */
  animation: circleFloatSlow 6s ease-in-out infinite;
  z-index: 0; /* 确保在图片背后 */
}

/* 简单圆形背景2 - 右下角，虚线圆 */
.ai-circle-bg-2 {
  bottom: 35%;
  right: 15%;
  animation: circleRotate 8s linear infinite;
}

/* AI企业服务引擎容器和叠放效果 */
.service-engine-container {
  position: relative;
  width: 100%;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

/* 服务引擎装饰元素已移除 */

/* 背景图片样式 */
.service-bg-image {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  opacity: 0.6;
  animation: serviceBgFloat 10s ease-in-out infinite;
}

.service-bg-img {
  width: auto;
  height: 480px;
  max-width: 550px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  /* 边缘透明度渐变效果 */
  mask: radial-gradient(ellipse 80% 70% at center, black 40%, transparent 90%);
  -webkit-mask: radial-gradient(ellipse 80% 70% at center, black 40%, transparent 90%);
  filter: saturate(0.9);
  transition: all 0.6s ease;
}

/* 主图片样式 */
.service-main-image {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  animation: serviceMainFloat 8s ease-in-out infinite;
}

.service-main-img {
  width: auto;
  height: 480px;
  max-width: 520px;
  object-fit: contain;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-main-img:hover {
  transform: translateY(-6px) scale(1.02);
}

/* AI应用开发平台装饰元素 */
.ai-circle-bg-large {
  bottom: 5%;
  left: -30px;
  animation: platformFloatSlow 8s ease-in-out infinite;
  z-index: 0;
}

/* 增强版动画关键帧 */
@keyframes chatBubbleFloat {
  0%, 100% {
    transform: translateY(0px) scale(1);
    opacity: 0.95;
  }
  50% {
    transform: translateY(-18px) scale(1.12); /* 更明显的浮动和缩放 */
    opacity: 1;
  }
}

@keyframes circleFloatSlow {
  0%, 100% {
    transform: translateY(0px) scale(1);
    opacity: 0.85;
  }
  50% {
    transform: translateY(-15px) scale(1.05); /* 更明显的浮动和缩放 */
    opacity: 1;
  }
}

@keyframes circleRotate {
  0% {
    transform: rotate(0deg) scale(1);
    opacity: 0.8;
  }
  25% {
    transform: rotate(90deg) scale(1.03);
    opacity: 0.9;
  }
  50% {
    transform: rotate(180deg) scale(1);
    opacity: 1;
  }
  75% {
    transform: rotate(270deg) scale(1.03);
    opacity: 0.9;
  }
  100% {
    transform: rotate(360deg) scale(1);
    opacity: 0.8;
  }
}

/* AI应用开发平台专用动画 */
@keyframes platformFloatSlow {
  0%, 100% {
    transform: translateY(0px) scale(1);
    opacity: 0.8;
  }
  50% {
    transform: translateY(-12px) scale(1.03);
    opacity: 1;
  }
}

/* AI企业服务引擎专用动画 - 装饰元素动画已移除 */

@keyframes serviceBgFloat {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.02);
    opacity: 0.7;
  }
}

@keyframes serviceMainFloat {
  0%, 100% {
    transform: translate(-50%, -50%) translateY(0px) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) translateY(-8px) scale(1.01);
  }
}

/* 多图片展示系统样式 */
.multi-image-showcase {
  position: relative;
  width: 100%;
  min-height: 400px; /* 改为最小高度，让图片决定实际高度 */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

/* 装饰背景元素已移除 - 简化设计 */

/* 主图片容器 */
.main-image-container {
  position: relative;
  width: 400px; /* 设置固定宽度 */
  height: 480px; /* 设置固定高度，防止跳动 */
  max-width: 450px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-showcase-image {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-xl);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.15),
    0 8px 25px rgba(0, 0, 0, 0.1),
    0 4px 12px rgba(0, 0, 0, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-30px) scale(0.95); /* 改为从左侧滑入 */
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* 使用更平滑的缓动 */
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: center;
  z-index: 1;
}

.main-showcase-image.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1); /* 居中显示并恢复正常大小 */
  position: absolute; /* 保持绝对定位 */
  z-index: 2;
}

/* 副图片容器 */
.sub-images-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

.sub-image-wrapper {
  position: absolute;
  width: 120px;
  height: 140px;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.sub-image-1 {
  top: 10%;
  right: -20px;
  animation: subImageFloat1 5s ease-in-out infinite;
}

.sub-image-2 {
  bottom: 15%;
  left: -30px;
  animation: subImageFloat2 6s ease-in-out infinite;
}

.sub-showcase-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.12),
    0 6px 20px rgba(0, 0, 0, 0.08),
    0 3px 8px rgba(0, 0, 0, 0.06);
  opacity: 0.7;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1); /* 延长过渡时间 */
  transform: translateX(0); /* 添加初始变换 */
}

.sub-image-wrapper:hover .sub-showcase-image {
  opacity: 1;
  transform: scale(1.05);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.18),
    0 10px 30px rgba(0, 0, 0, 0.12),
    0 5px 15px rgba(0, 0, 0, 0.08);
}

/* 切换指示器 */
.showcase-indicators {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-3);
  z-index: 4;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0, 204, 203, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.indicator.active {
  background: rgba(0, 204, 203, 0.8);
  transform: scale(1.2);
}

.indicator:hover {
  background: rgba(0, 204, 203, 0.6);
  transform: scale(1.1);
}

/* 装饰动画已移除 */

@keyframes subImageFloat1 {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-8px) rotate(2deg);
  }
}

@keyframes subImageFloat2 {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(-2deg);
  }
}

/* 移动端引擎图片调整 */
@media (max-width: 768px) {
  .engine__main-image {
    width: auto;
    height: 350px; /* 移动端适当减小高度 */
    max-width: 90%; /* 限制最大宽度避免过宽 */
    max-height: 400px;
    border-radius: var(--radius-md);
    /* 移动端使用更轻微的投影 */
    filter: drop-shadow(0 6px 15px rgba(0, 0, 0, 0.04));
  }
  
  .engine__main-image:hover {
    /* 移动端减少悬停效果 */
    transform: translateY(-3px) scale(1.01);
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.06));
  }
  
  /* 移动端AI图标调整 */
  .ai-icon {
    opacity: 0.7; /* 移动端适当降低透明度 */
  }
  
  /* 移动端隐藏一个圆形背景，保持简洁 */
  .ai-circle-bg-2 {
    display: none;
  }
  
  /* AI企业服务引擎移动端适配 */
  .service-engine-container {
    height: 400px;
  }
  
  .service-bg-image {
    top: 65%;
  }
  
  .service-bg-img {
    height: 380px;
    max-width: 420px;
  }
  
  .service-main-img {
    height: 380px;
    max-width: 420px;
  }

  /* AI应用开发平台移动端适配 */
  .ai-circle-bg-large {
    width: 200px;
    height: 200px;
    bottom: 10%;
    left: -20px;
  }
  
  /* 调整剩余图标的位置 */
  .ai-chat-bubble-large {
    top: 8%;
    right: 3%;
    width: 70px; /* 移动端稍微缩小对话气泡 */
    height: 55px;
  }
  
  .ai-circle-bg-1 {
    bottom: 15%; /* 移动端调整到合适位置 */
    left: -15px; /* 轻微超出左侧 */
    width: 200px; /* 移动端保持较大尺寸，但比桌面端小一些 */
    height: 200px;
  }
  
  /* 移动端多图片展示调整 */
  .multi-image-showcase {
    min-height: 350px;
  }
  
  .main-image-container {
    width: 300px;
    height: 360px;
  }
  
  .sub-image-wrapper {
    width: 80px;
    height: 100px;
  }
  
  .sub-image-1 {
    right: -15px;
  }
  
  .sub-image-2 {
    left: -20px;
  }
  
  /* 装饰元素已移除 */
}

/* 第三屏 - 服务闭环区域 */
.service-loops {
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
  background: 
    linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 25%, #cbd5e1 50%, #e2e8f0 75%, #f1f5f9 100%),
    radial-gradient(circle at 20% 80%, rgba(71, 85, 105, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(100, 116, 139, 0.04) 0%, transparent 50%);
}

.service-loops::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 25% 75%, rgba(71, 85, 105, 0.06) 0%, rgba(71, 85, 105, 0.02) 30%, transparent 60%),
    radial-gradient(ellipse at 75% 25%, rgba(100, 116, 139, 0.05) 0%, rgba(100, 116, 139, 0.01) 30%, transparent 60%);
  backdrop-filter: blur(0.5px) saturate(110%);
  animation: subtleGlassFlow 18s ease-in-out infinite;
  z-index: -1;
}

.loops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.loop-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-xl);
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(15px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(255, 255, 255, 0.4),
    0 4px 16px rgba(74, 144, 226, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.loop-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(0, 204, 203, 0.06) 50%, 
    transparent 100%
  );
  transition: left 0.8s ease;
}

.loop-card:hover::before {
  left: 100%;
}

.loop-card:hover {
  transform: translateY(-6px) scale(1.02);
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 204, 203, 0.2);
  box-shadow: 
    0 20px 40px rgba(255, 255, 255, 0.6),
    0 8px 20px rgba(0, 204, 203, 0.15),
    0 0 0 1px rgba(0, 204, 203, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* 服务闭环图片区域 */
.loop-image {
  height: 200px;
  width: 100%;
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  overflow: hidden;
}

.loop-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.loop-img:hover {
  transform: scale(1.05);
}

.image-placeholder--service {
  height: 100%;
  width: 100%;
  background: linear-gradient(135deg, 
    rgba(8, 145, 178, 0.08) 0%, 
    rgba(74, 144, 226, 0.08) 100%
  );
  border: none;
  border-radius: 0;
  color: #0891b2;
  backdrop-filter: blur(5px) saturate(150%);
  box-shadow: none;
  transition: all var(--transition-base);
}

.image-placeholder--service:hover {
  background: linear-gradient(135deg, 
    rgba(8, 145, 178, 0.12) 0%, 
    rgba(74, 144, 226, 0.12) 100%
  );
  color: #0891b2;
}

/* 服务闭环内容区域 */
.loop-content {
  padding: var(--space-6);
  text-align: center;
  flex: 1;
}

.loop-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.loop-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0 0 var(--space-4) 0;
}

.loop-process {
  position: relative;
  z-index: 1;
}

.process-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.flow-item {
  padding: var(--space-2) var(--space-3);
  background: rgba(8, 145, 178, 0.1);
  color: #0891b2;
  border: 1px solid rgba(8, 145, 178, 0.2);
  border-radius: var(--radius-base);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.flow-item:hover {
  background: rgba(8, 145, 178, 0.15);
  border-color: rgba(8, 145, 178, 0.3);
  transform: translateY(-1px);
}

.flow-arrow {
  color: #0891b2;
  font-size: var(--text-sm);
  font-weight: bold;
}

@media (max-width: 768px) {
  .loops-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .process-flow {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .flow-arrow {
    transform: rotate(90deg);
  }
}

/* 第四屏 - 创新功能与演示区域 */
.innovation-demo {
  padding: var(--space-20) 0;
  background-color: var(--bg-main);
  position: relative;
}

/* 第三屏和第四屏通过滚动动画触发，不需要页面加载动画 */

.demo-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-16);
  align-items: center;
}

@media (max-width: 1024px) {
  .demo-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
}

.demo-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-brand-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-6);
  line-height: 1.3;
}

@media (min-width: 768px) {
  .demo-title {
    font-size: var(--text-4xl);
  }
}

.demo-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

.demo-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.demo-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px) saturate(180%);
  cursor: pointer;
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.06), 
    0 2px 4px -1px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
}

.demo-feature:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(8, 145, 178, 0.2);
  transform: translateX(8px);
  box-shadow: 
    0 8px 15px -3px rgba(0, 0, 0, 0.08), 
    0 4px 6px -2px rgba(0, 0, 0, 0.04),
    0 0 0 1px rgba(8, 145, 178, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.demo-feature:hover svg {
  transform: scale(1.1);
  transition: transform var(--transition-fast);
}

.demo-feature:active {
  transform: translateX(4px) scale(0.98);
  background: rgba(255, 255, 255, 0.9);
}

.demo-feature span {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
}

/* CTA卡片 */
.cta-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  border: 1px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(15px) saturate(180%);
  box-shadow: 
    0 20px 40px rgba(255, 255, 255, 0.4),
    0 8px 20px rgba(74, 144, 226, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  text-align: center;
  transition: all var(--transition-base);
}

.cta-card:hover {
  transform: translateY(-4px) scale(1.02);
  background: rgba(255, 255, 255, 1);
  border-color: rgba(0, 204, 203, 0.2);
  box-shadow: 
    0 25px 50px rgba(255, 255, 255, 0.6),
    0 12px 25px rgba(0, 204, 203, 0.15),
    0 0 0 1px rgba(0, 204, 203, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

.cta-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-6);
  background: linear-gradient(135deg, 
    rgba(8, 145, 178, 0.15) 0%, 
    rgba(74, 144, 226, 0.15) 100%
  );
  border-radius: 50%;
  border: 2px solid rgba(8, 145, 178, 0.2);
  transition: all var(--transition-fast);
}

.cta-card:hover .cta-icon {
  background: linear-gradient(135deg, 
    rgba(8, 145, 178, 0.25) 0%, 
    rgba(74, 144, 226, 0.25) 100%
  );
  border-color: rgba(8, 145, 178, 0.4);
  transform: scale(1.1);
}

.cta-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.cta-description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

.cta-contact {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(8, 145, 178, 0.1);
}

.cta-contact p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.phone-link {
  color: #0891b2;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.phone-link:hover {
  color: #0e7490;
}

/* ========================================== */
/* 关于我们页面专用样式 */
/* ========================================== */

/* 第一屏 - 公司介绍Hero区域 */
.about-hero {
  padding: var(--space-20) 0 var(--space-16);
  background: 
    linear-gradient(135deg, #001232 0%, #0f2856 25%, #1e3a8a 50%, #0f2856 75%, #001232 100%),
    radial-gradient(circle at 25% 25%, rgba(15, 40, 86, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(0, 18, 50, 0.2) 0%, transparent 50%);
  position: relative;
  overflow: hidden;
}

/* 背景装饰图片 */
.about-hero-bg-decoration {
  position: absolute;
  bottom: -100px;
  left: -50px;
  z-index: 0;
  opacity: 0.9;
  pointer-events: none;
}

.about-hero-bg-img {
  width: auto;
  height: 600px;
  max-width: 500px;
  object-fit: contain;
  animation: bgFadeIn 1.5s ease-out 0.2s both;
}


.about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 30% 70%, rgba(15, 40, 86, 0.4) 0%, rgba(15, 40, 86, 0.1) 30%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(0, 18, 50, 0.3) 0%, rgba(0, 18, 50, 0.08) 30%, transparent 60%);
  backdrop-filter: blur(1px) saturate(130%);
  animation: subtleGlassFlow 12s ease-in-out infinite;
  z-index: -1;
}

.about-hero__content {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (max-width: 1024px) {
  .about-hero__content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }
  
  .about-hero__image {
    order: 2;
  }
  
  .about-hero__text {
    order: 1;
  }
}

.about-hero__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 
    0 0 20px rgba(255, 255, 255, 0.3),
    0 0 40px rgba(224, 242, 254, 0.2);
}

@media (max-width: 768px) {
  .about-hero__title {
    font-size: var(--text-3xl);
  }
}

.about-hero__subtitle {
  font-size: var(--text-xl);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-6);
  line-height: 1.4;
}

@media (max-width: 768px) {
  .about-hero__subtitle {
    font-size: var(--text-lg);
  }
}

.about-hero__description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.about-hero__description:last-of-type {
  margin-bottom: var(--space-8);
}

.about-hero__advantages {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: flex-start;
}

@media (max-width: 1024px) {
  .about-hero__advantages {
    justify-content: center;
  }
}

.advantage-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  line-height: 1.4;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

/* 优势标签进入动画 - 页面加载时触发 */
.about-hero__advantages .advantage-tag:nth-child(1) {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.about-hero__advantages .advantage-tag:nth-child(2) {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out 1.0s both;
}

.about-hero__advantages .advantage-tag:nth-child(3) {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out 1.2s both;
}

.advantage-tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(0, 204, 203, 0.1) 50%, 
    transparent 100%
  );
  transition: left 0.6s ease;
}

.advantage-tag:hover::before {
  left: 100%;
}

.advantage-tag:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.15) 100%);
  border-color: rgba(0, 204, 203, 0.4);
  color: rgba(255, 255, 255, 1);
  box-shadow: 
    0 8px 30px rgba(0, 0, 0, 0.15),
    0 4px 12px rgba(0, 204, 203, 0.2),
    0 0 0 1px rgba(0, 204, 203, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* 关于我们页面加载动画 */
.about-hero__image {
  opacity: 0;
  transform: translateX(-50px);
  animation: slideInLeft 1.2s ease-out 1.5s both;
}

/* 关于我们页面图片容器样式 */
.about-hero-image-container {
  position: relative;
  width: fit-content;
  max-width: 100%;
  display: inline-block;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  box-shadow: 
    0 20px 40px rgba(0, 18, 50, 0.3),
    0 8px 16px rgba(0, 18, 50, 0.2),
    0 4px 8px rgba(0, 18, 50, 0.1);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-hero-img {
  width: 100%;
  height: auto;
  max-width: 450px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-xl);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-hero-image-container:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 30px 60px rgba(0, 18, 50, 0.4),
    0 12px 24px rgba(0, 18, 50, 0.3),
    0 6px 12px rgba(0, 18, 50, 0.2);
}

.about-hero-img:hover {
  transform: scale(1.02);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .about-hero-img {
    max-width: 350px;
  }
  
  /* 移动端背景装饰调整 */
  .about-hero-bg-decoration {
    bottom: -80px;
    left: -80px;
    opacity: 0.9;
  }
  
  .about-hero-bg-img {
    height: 400px;
    max-width: 350px;
  }
}

.about-hero__text {
  opacity: 0;
  transform: translateX(50px);
  animation: slideInRight 0.8s ease-out 0.4s both;
}

.about-hero__title {
  opacity: 0;
  transform: translateY(-30px);
  animation: fadeInDown 0.8s ease-out 0.6s both;
}

/* 动画关键帧 */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* 关于我们页面图片占位符 */
.image-placeholder--about-hero {
  height: 400px;
  width: 100%;
  background: rgba(255, 255, 255, 0.15);
  border: 2px dashed rgba(255, 255, 255, 0.4);
  color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(15px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(255, 255, 255, 0.1),
    0 4px 16px rgba(0, 18, 50, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all var(--transition-base);
}

.image-placeholder--about-hero:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(0, 204, 203, 0.4);
  color: rgba(255, 255, 255, 1);
  box-shadow: 
    0 12px 40px rgba(255, 255, 255, 0.2),
    0 6px 20px rgba(0, 204, 203, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
  .image-placeholder--about-hero {
    height: 250px;
  }
}

/* 第二屏 - 合作模式区域 */
.cooperation-modes {
  padding: var(--space-20) 0 var(--space-12) 0;
  background-color: var(--bg-main);
  position: relative;
}

/* 合作模式标题动画 */
.cooperation-modes .section-header {
  opacity: 0;
  transform: translateY(-30px);
  animation: fadeInDown 0.6s ease-out 0.8s both;
}

/* 新的网格布局 */
.cooperation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

@media (min-width: 768px) {
  .cooperation-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

/* 合作卡片设计 */
.cooperation-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-100);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-base);
  text-align: center;
  overflow: hidden;
  opacity: 0;
  transform: translateY(50px);
}

/* 合作卡片加载动画 */
.cooperation-card:nth-child(1) {
  animation: fadeInUp 0.8s ease-out 1.2s both;
}

.cooperation-card:nth-child(2) {
  animation: fadeInUp 0.8s ease-out 1.3s both;
}

.cooperation-card:nth-child(3) {
  animation: fadeInUp 0.8s ease-out 1.4s both;
}

.cooperation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-brand-green) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.cooperation-card:hover::before {
  transform: scaleX(1);
}

.cooperation-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border-color: var(--color-brand-green-100);
}

/* 不同卡片的主题色 */
.cooperation-card--primary .cooperation-card__icon {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.cooperation-card--secondary .cooperation-card__icon {
  background: linear-gradient(135deg, var(--color-brand-green) 0%, var(--color-brand-green-light) 100%);
}

.cooperation-card--accent .cooperation-card__icon {
  background: linear-gradient(135deg, #0891b2 0%, #0ea5e9 100%);
}

.cooperation-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  color: var(--color-white);
  transition: all var(--transition-fast);
  position: relative;
  z-index: 2;
}

.cooperation-card:hover .cooperation-card__icon {
  transform: scale(1.1);
}

.cooperation-card__number {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-muted);
  border-radius: 50%;
  font-size: var(--text-sm);
  font-weight: 700;
  transition: all var(--transition-fast);
}

.cooperation-card:hover .cooperation-card__number {
  background: var(--color-brand-green);
  color: var(--color-white);
  transform: scale(1.1);
}

.cooperation-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.cooperation-card__description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.cooperation-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}

.cooperation-feature {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--color-gray-50);
  color: var(--text-secondary);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.cooperation-card:hover .cooperation-feature {
  background: var(--color-brand-green-50);
  color: var(--color-brand-green-dark);
  border-color: var(--color-brand-green-200);
}

/* 移动端优化 */
@media (max-width: 768px) {
  .cooperation-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .cooperation-card {
    padding: var(--space-6);
  }
  
  .cooperation-card__icon {
    width: 60px;
    height: 60px;
  }
}

/* 第三屏 - 欢迎合作区域 */
.contact-us {
  padding: var(--space-8) 0 var(--space-20) 0;
  background-color: var(--bg-main);
  position: relative;
}

/* 第三屏标题动画 */
.contact-us .section-header {
  opacity: 0;
  transform: translateY(-30px);
  animation: fadeInDown 0.8s ease-out 1.5s both;
}

/* 第三屏内容动画 */
.contact-cta {
  opacity: 0;
  transform: translateX(-50px);
  animation: slideInLeft 0.8s ease-out 1.7s both;
  display: flex;
  align-items: stretch;
}

.company-map {
  opacity: 0;
  transform: translateX(50px);
  animation: slideInRight 0.8s ease-out 1.9s both;
  display: flex;
  align-items: stretch;
}

.contact-content {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: var(--space-16);
  align-items: stretch;
  margin-top: var(--space-8);
}

@media (max-width: 1024px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.contact-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px) saturate(180%);
  cursor: pointer;
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.06), 
    0 2px 4px -1px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
}

.contact-feature:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(8, 145, 178, 0.2);
  transform: translateX(8px);
  box-shadow: 
    0 8px 15px -3px rgba(0, 0, 0, 0.08), 
    0 4px 6px -2px rgba(0, 0, 0, 0.04),
    0 0 0 1px rgba(8, 145, 178, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.contact-feature:hover svg {
  transform: scale(1.1);
  transition: transform var(--transition-fast);
}

.contact-feature:active {
  transform: translateX(4px) scale(0.98);
  background: rgba(255, 255, 255, 0.9);
}

.contact-feature span {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
}

/* 联系卡片 */
.contact-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  border: 1px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(15px) saturate(180%);
  box-shadow: 
    0 20px 40px rgba(255, 255, 255, 0.4),
    0 8px 20px rgba(74, 144, 226, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  text-align: center;
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-card:hover {
  transform: translateY(-4px) scale(1.02);
  background: rgba(255, 255, 255, 1);
  border-color: rgba(0, 204, 203, 0.2);
  box-shadow: 
    0 25px 50px rgba(255, 255, 255, 0.6),
    0 12px 25px rgba(0, 204, 203, 0.15),
    0 0 0 1px rgba(0, 204, 203, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

.contact-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-6);
  background: linear-gradient(135deg, 
    rgba(8, 145, 178, 0.15) 0%, 
    rgba(74, 144, 226, 0.15) 100%
  );
  border-radius: 50%;
  border: 2px solid rgba(8, 145, 178, 0.2);
  transition: all var(--transition-fast);
}

.contact-card:hover .contact-card__icon {
  background: linear-gradient(135deg, 
    rgba(8, 145, 178, 0.25) 0%, 
    rgba(74, 144, 226, 0.25) 100%
  );
  border-color: rgba(8, 145, 178, 0.4);
  transform: scale(1.1);
}

.contact-card__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.contact-card__description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

.contact-card__info {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(8, 145, 178, 0.1);
}

.contact-card__info p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0 0 var(--space-2) 0;
}

.contact-card__info p:last-child {
  margin-bottom: 0;
}

.manager-info {
  color: var(--text-muted) !important;
  font-size: var(--text-xs) !important;
}

/* 地图组件样式 */
.company-map {
  display: flex;
  align-items: stretch;
}

.map-container {
  width: 100%;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-100);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 450px; /* 确保容器有足够的高度 */
}

.map-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-color: var(--color-brand-green-100);
}

.map-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-100);
  text-align: center;
}

.map-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.map-address {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.map-wrapper {
  position: relative;
  flex: 1;
  background: var(--color-gray-50);
  min-height: 380px;
  overflow: hidden; /* 确保内容不会溢出 */
}

.map-embed {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--color-gray-50);
  object-fit: cover; /* 确保地图图片完全填满容器 */
  object-position: center; /* 居中显示 */
}

.map-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
  border: 2px dashed var(--color-gray-300);
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}

.map-placeholder:hover {
  border-color: var(--color-brand-green);
  background: linear-gradient(135deg, var(--color-brand-green-50) 0%, var(--color-brand-green-100) 100%);
  color: var(--color-brand-green);
}

.map-placeholder__content {
  text-align: center;
}

.map-placeholder__content p {
  margin: var(--space-3) 0 var(--space-2) 0;
  font-size: var(--text-base);
  font-weight: 600;
}

.map-placeholder__content small {
  font-size: var(--text-sm);
  color: var(--text-muted);
  display: block;
}

.map-info {
  padding: var(--space-4) var(--space-6);
  background: var(--color-gray-50);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.map-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.map-info-item svg {
  color: var(--color-brand-green);
  flex-shrink: 0;
}

.map-info-item span {
  font-weight: 500;
}

/* 移动端地图优化 */
@media (max-width: 768px) {
  .map-wrapper {
    height: 250px;
  }
  
  .map-header {
    padding: var(--space-4);
  }
  
  .map-title {
    font-size: var(--text-lg);
  }
  
  .map-address {
    font-size: var(--text-xs);
  }
  
  .map-info {
    padding: var(--space-3) var(--space-4);
  }
}

/* ================================== */
/* 技术案例页面专用样式 */
/* ================================== */

/* 技术架构区域 */
.tech-architecture {
  background: var(--bg-main);
  padding: var(--space-20) 0;
}

.architecture-showcase {
  margin: var(--space-12) 0;
}

.architecture-image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
  margin-bottom: var(--space-8);
}

/* 架构图片样式 */
.architecture-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--color-white);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}


.architecture-image-wrapper:hover {
  transform: translateY(-6px) scale(1.02);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 
    0 25px 50px rgba(74, 144, 226, 0.15),
    0 15px 35px rgba(0, 0, 0, 0.1),
    0 5px 15px rgba(0, 0, 0, 0.08);
}

.architecture-image {
  width: 100%;
  height: auto;
  display: block;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 0;
}


.architecture-description {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.architecture-text {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

/* 案例与价值区域 - 新设计 */
.cases-value-new {
  padding: var(--space-16) 0 var(--space-12) 0; /* 减少底部间距 */
  position: relative;
  overflow: hidden;
  background: 
    linear-gradient(135deg, #f8fafc 0%, #e2e8f0 25%, #cbd5e1 50%, #e2e8f0 75%, #f8fafc 100%),
    radial-gradient(circle at 20% 50%, rgba(74, 144, 226, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 204, 203, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(74, 144, 226, 0.06) 0%, transparent 50%);
}

.cases-value-new::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
  pointer-events: none;
}

/* 案例展示卡片 */
.case-showcase {
  margin: var(--space-12) 0 var(--space-16) 0;
}

.case-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.case-card--featured {
  border: 2px solid var(--color-brand-green);
}

.case-card__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-brand-green);
  color: var(--color-white);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  z-index: 2;
}

/* 案例研究部分 - 左右布局 */
.case-study-section {
  margin: var(--space-12) 0 var(--space-16) 0;
}

.case-study-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-12);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

/* 右侧内容区域 */
.case-study-content {
  padding-left: var(--space-4);
}

.case-study-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-brand-green);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.case-study-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  line-height: 1.3;
}

.case-study-description {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

/* 左侧图片区域 */
.case-study-images {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  justify-content: center;
}

/* 竖屏图片容器 */
.case-image-portrait {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  flex: 0 0 auto;
}

.case-portrait-img {
  height: 320px;
  width: auto;
  display: block;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 横屏图片容器 */
.case-image-landscape {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  flex: 0 0 auto;
}

.case-landscape-img {
  height: 320px;
  width: auto;
  display: block;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 悬停效果 */
.case-image-portrait:hover,
.case-image-landscape:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 
    0 20px 40px rgba(0, 204, 203, 0.15),
    0 12px 25px rgba(0, 0, 0, 0.1),
    0 4px 10px rgba(0, 0, 0, 0.08);
}

.case-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.case-card__description {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.case-card__stats {
  display: flex;
  gap: var(--space-6);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-brand-green);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* 多维成效左右布局 */
.achievements-section {
  margin-top: var(--space-16);
}

.achievements-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.achievements-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.achievements-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin: 0;
}

.achievements-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

/* 左侧图片区域 */
.achievements-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 多维成效图片样式 */
.achievements-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: auto;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--color-white);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.achievements-image-wrapper:hover {
  transform: translateY(-5px) scale(1.02);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 
    0 20px 40px rgba(0, 204, 203, 0.2),
    0 12px 25px rgba(0, 0, 0, 0.1),
    0 4px 10px rgba(0, 0, 0, 0.08);
}

.achievements-main-image {
  height: 320px;
  width: auto;
  display: block;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 0;
}

/* 右侧小卡片 */
.achievements-cards-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.achievement-mini-card {
  background: var(--color-white);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: 
    0 1px 3px 0 rgba(0, 0, 0, 0.1),
    0 1px 2px 0 rgba(0, 0, 0, 0.06);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
}

.achievement-mini-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-brand-green) 0%, var(--color-primary) 100%);
}

.achievement-mini-card:hover {
  transform: translateY(-3px) scale(1.01);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 
    0 12px 25px rgba(0, 204, 203, 0.1),
    0 8px 15px rgba(0, 0, 0, 0.08),
    0 3px 8px rgba(0, 0, 0, 0.06);
}

.achievement-mini-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-brand-green) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  margin-top: var(--space-1);
}

.achievement-mini-content {
  flex: 1;
}

.achievement-mini-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.achievement-mini-description {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

/* 可复制性说明区域 */
.replicability-demo {
  background: var(--bg-main);
  padding: var(--space-20) 0;
}

/* 移动端响应式 */
@media (max-width: 1024px) {
  .architecture-image-container {
    min-height: 300px;
  }
  
  .architecture-placeholder {
    height: 300px;
  }
  
  /* 架构图响应式 */
  .architecture-image-wrapper {
    max-width: 100%;
  }
  
  /* 案例研究响应式 */
  .case-study-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .case-study-content {
    padding-left: 0;
    text-align: center;
  }
  
  .case-study-images {
    flex-direction: column;
    align-items: center;
  }
  
  .case-portrait-img,
  .case-landscape-img {
    height: 250px;
  }
  
  /* 多维成效响应式 */
  .achievements-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .achievements-image-wrapper {
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .tech-architecture,
  .cases-value-new,
  .replicability-demo {
    padding: var(--space-12) 0 var(--space-8) 0; /* 进一步减少移动端间距 */
  }
  
  .architecture-text {
    font-size: var(--text-base);
  }
  
  .architecture-image-container {
    min-height: 250px;
  }
  
  .architecture-placeholder {
    height: 250px;
  }
  
  /* 案例卡片移动端 */
  .case-showcase {
    margin: var(--space-8) 0 var(--space-12) 0;
  }
  
  .case-card--compact {
    max-width: 100%;
    margin: 0;
  }
  
  .case-card__text-top {
    padding: var(--space-4);
  }
  
  .case-card__images-bottom {
    padding: var(--space-4);
  }
  
  /* 架构图移动端 */
  .architecture-image-wrapper {
    max-width: 100%;
  }
  
  /* 案例研究移动端 */
  .case-study-section {
    margin: var(--space-8) 0 var(--space-12) 0;
  }
  
  .case-study-container {
    gap: var(--space-6);
  }
  
  .case-study-title {
    font-size: var(--text-xl);
  }
  
  .case-study-description {
    font-size: var(--text-base);
  }
  
  .case-study-images {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }
  
  .case-portrait-img,
  .case-landscape-img {
    height: 200px;
  }
  
  .achievements-main-image {
    height: 250px;
  }
  
  /* 多维成效移动端 */
  .achievements-section {
    margin-top: var(--space-12);
  }
  
  .achievements-header {
    margin-bottom: var(--space-8);
  }
  
  .achievements-title {
    font-size: var(--text-xl);
  }
  
  .achievements-subtitle {
    font-size: var(--text-base);
  }
  
  .achievements-layout {
    gap: var(--space-6);
  }
  
  .achievements-image-wrapper {
    width: auto;
  }
  
  .achievements-main-image {
    height: 280px;
  }
  
  .achievements-cards-right {
    gap: var(--space-3);
  }
  
  .achievement-mini-card {
    padding: var(--space-3);
  }
  
  .achievement-mini-icon {
    width: 32px;
    height: 32px;
  }
  
  .achievement-mini-title {
    font-size: var(--text-sm);
  }
  
  .achievement-mini-description {
    font-size: var(--text-xs);
  }
}