/* Base styles for the page-lien-he-dai-ly */
.page-lien-he-dai-ly {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Text Main */
  background-color: #F5F7FA; /* Background */
}

.page-lien-he-dai-ly__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-lien-he-dai-ly__section {
  padding: 60px 0;
}

.page-lien-he-dai-ly__section-title {
  font-size: 36px;
  font-weight: 700;
  color: #E53935; /* Primary Color */
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-lien-he-dai-ly__section-intro {
  font-size: 18px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #333333;
}

.page-lien-he-dai-ly__text-center {
  text-align: center;
}

/* Hero Section */
.page-lien-he-dai-ly__hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, assuming shared.css handles body padding-top */
  padding-bottom: 60px;
  background-color: #f5f7fa;
}

.page-lien-he-dai-ly__hero-image-wrapper {
  width: 100%;
  height: 500px;
  overflow: hidden;
  position: relative;
  margin-bottom: 40px;
}

.page-lien-he-dai-ly__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-lien-he-dai-ly__hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 0 20px;
}

.page-lien-he-dai-ly__hero-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  color: #E53935; /* Primary Color */
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-lien-he-dai-ly__hero-description {
  font-size: 20px;
  color: #333333;
  margin-bottom: 40px;
}

.page-lien-he-dai-ly__hero-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Buttons */
.page-lien-he-dai-ly__btn-primary,
.page-lien-he-dai-ly__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-lien-he-dai-ly__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); /* Button Color */
  color: #ffffff;
  border: none;
}

.page-lien-he-dai-ly__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-lien-he-dai-ly__btn-secondary {
  background: #ffffff; /* Card BG */
  color: #E53935; /* Primary Color */
  border: 2px solid #E53935;
}

.page-lien-he-dai-ly__btn-secondary:hover {
  background: #E53935;
  color: #ffffff;
}

.page-lien-he-dai-ly__large-btn {
  padding: 18px 40px;
  font-size: 20px;
}

/* Why Join Section */
.page-lien-he-dai-ly__why-join-section {
  background-color: #ffffff; /* Card BG */
}

.page-lien-he-dai-ly__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-lien-he-dai-ly__benefit-card {
  background: #fdfdfd;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #E0E0E0; /* Border Color */
}

.page-lien-he-dai-ly__benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.page-lien-he-dai-ly__benefit-icon {
  width: 100%; /* Ensure image fills card width */
  max-width: 300px;
  height: 200px;
  object-fit: cover;
  margin-bottom: 25px;
  border-radius: 8px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-lien-he-dai-ly__benefit-title {
  font-size: 22px;
  font-weight: 700;
  color: #E53935; /* Primary Color */
  margin-bottom: 15px;
}

.page-lien-he-dai-ly__benefit-description {
  font-size: 16px;
  color: #333333;
}

/* How to Join Section */
.page-lien-he-dai-ly__how-to-join-section {
  background-color: #F5F7FA; /* Background */
}

.page-lien-he-dai-ly__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-lien-he-dai-ly__step-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid #E0E0E0; /* Border Color */
}

.page-lien-he-dai-ly__step-number {
  width: 60px;
  height: 60px;
  line-height: 60px;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border-radius: 50%;
  font-size: 28px;
  font-weight: 700;
  margin: 0 auto 25px;
}

.page-lien-he-dai-ly__step-title {
  font-size: 20px;
  font-weight: 700;
  color: #E53935;
  margin-bottom: 15px;
}

.page-lien-he-dai-ly__step-description {
  font-size: 16px;
  color: #333333;
}

.page-lien-he-dai-ly__cta-bottom {
  text-align: center;
}

/* Contact Form Section */
.page-lien-he-dai-ly__contact-form-section {
  background-color: #ffffff; /* Card BG */
}

.page-lien-he-dai-ly__contact-form {
  max-width: 600px;
  margin: 0 auto 40px;
  padding: 40px;
  background: #fdfdfd;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #E0E0E0; /* Border Color */
}

.page-lien-he-dai-ly__form-group {
  margin-bottom: 25px;
}

.page-lien-he-dai-ly__form-label {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #333333;
  margin-bottom: 10px;
}

.page-lien-he-dai-ly__form-input,
.page-lien-he-dai-ly__form-textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid #E0E0E0; /* Border Color */
  border-radius: 8px;
  font-size: 16px;
  color: #333333;
  box-sizing: border-box;
}

.page-lien-he-dai-ly__form-input::placeholder,
.page-lien-he-dai-ly__form-textarea::placeholder {
  color: #888888;
}

.page-lien-he-dai-ly__form-textarea {
  resize: vertical;
}

.page-lien-he-dai-ly__form-submit-btn {
  width: 100%;
  padding: 18px;
  font-size: 20px;
  cursor: pointer;
  border: none;
}

.page-lien-he-dai-ly__contact-form-image-wrapper {
  text-align: center;
}

.page-lien-he-dai-ly__contact-form-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Direct Contact Info Section */
.page-lien-he-dai-ly__direct-contact-info {
  background-color: #F5F7FA; /* Background */
}

.page-lien-he-dai-ly__contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-lien-he-dai-ly__contact-method-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid #E0E0E0; /* Border Color */
}

.page-lien-he-dai-ly__method-title {
  font-size: 22px;
  font-weight: 700;
  color: #E53935;
  margin-bottom: 15px;
}

.page-lien-he-dai-ly__method-description {
  font-size: 16px;
  color: #333333;
  margin-bottom: 25px;
}

.page-lien-he-dai-ly__social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

.page-lien-he-dai-ly__social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: #E53935; /* Primary Color */
  color: #ffffff;
  border-radius: 50%;
  font-size: 0; /* Hide text, use aria-label */
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.page-lien-he-dai-ly__social-icon:hover {
  background: #FF5A4F; /* Auxiliary Color */
}

/* FAQ Section */
.page-lien-he-dai-ly__faq-section {
  background-color: #ffffff; /* Card BG */
}

details.page-lien-he-dai-ly__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #E0E0E0; /* Border Color */
  overflow: hidden;
  background: #fff;
}

details.page-lien-he-dai-ly__faq-item summary.page-lien-he-dai-ly__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

details.page-lien-he-dai-ly__faq-item summary.page-lien-he-dai-ly__faq-question::-webkit-details-marker {
  display: none;
}

details.page-lien-he-dai-ly__faq-item summary.page-lien-he-dai-ly__faq-question:hover {
  background: #f5f5f5;
}

.page-lien-he-dai-ly__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #333333;
}

.page-lien-he-dai-ly__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-lien-he-dai-ly__faq-item .page-lien-he-dai-ly__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: #333333;
}

/* Final CTA Section */
.page-lien-he-dai-ly__final-cta-section {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); /* Button Color */
  padding: 80px 0;
  color: #ffffff;
}

.page-lien-he-dai-ly__final-cta-section .page-lien-he-dai-ly__section-title,
.page-lien-he-dai-ly__final-cta-section .page-lien-he-dai-ly__section-intro {
  color: #ffffff;
}

/* Universal image and container responsive styles */
.page-lien-he-dai-ly img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile Responsive Styles (max-width: 768px) */
@media (max-width: 768px) {
  .page-lien-he-dai-ly {
    font-size: 16px;
  }

  .page-lien-he-dai-ly__container {
    padding: 0 15px;
  }

  .page-lien-he-dai-ly__section {
    padding: 40px 0;
  }

  .page-lien-he-dai-ly__section-title {
    font-size: 28px;
    margin-bottom: 15px;
  }

  .page-lien-he-dai-ly__section-intro {
    font-size: 16px;
    margin-bottom: 30px;
  }

  /* HERO 主图区域 */
  .page-lien-he-dai-ly__hero-section {
    padding-top: 10px; /* Small top padding, assuming shared.css handles body padding-top */
    padding-bottom: 40px;
  }

  .page-lien-he-dai-ly__hero-image-wrapper {
    height: 300px;
    margin-bottom: 20px;
  }

  .page-lien-he-dai-ly__hero-image {
    object-fit: contain !important; /* Force contain for mobile hero */
    aspect-ratio: unset !important;
  }

  .page-lien-he-dai-ly__hero-title {
    font-size: clamp(24px, 7vw, 36px);
    margin-bottom: 15px;
  }

  .page-lien-he-dai-ly__hero-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .page-lien-he-dai-ly__hero-cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  /* 按钮与按钮容器 */
  .page-lien-he-dai-ly__btn-primary,
  .page-lien-he-dai-ly__btn-secondary,
  .page-lien-he-dai-ly a[class*="button"],
  .page-lien-he-dai-ly a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 16px;
  }

  .page-lien-he-dai-ly__large-btn {
    padding: 15px 30px;
    font-size: 18px;
  }

  .page-lien-he-dai-ly__hero-cta-buttons,
  .page-lien-he-dai-ly__cta-bottom,
  .page-lien-he-dai-ly__social-links {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
  }

  /* 产品展示图区域 (General card/grid layout) */
  .page-lien-he-dai-ly__benefits-grid,
  .page-lien-he-dai-ly__steps-grid,
  .page-lien-he-dai-ly__contact-methods {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-lien-he-dai-ly__benefit-card,
  .page-lien-he-dai-ly__step-card,
  .page-lien-he-dai-ly__contact-method-card {
    padding: 25px;
  }

  .page-lien-he-dai-ly__benefit-icon {
    height: 150px;
    max-width: 250px;
  }

  /* 通用图片与容器 */
  .page-lien-he-dai-ly img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-lien-he-dai-ly__contact-form-section .page-lien-he-dai-ly__contact-form {
    padding: 25px;
  }

  .page-lien-he-dai-ly__form-input,
  .page-lien-he-dai-ly__form-textarea {
    padding: 12px;
    font-size: 15px;
  }

  .page-lien-he-dai-ly__form-submit-btn {
    padding: 15px;
    font-size: 18px;
  }

  .page-lien-he-dai-ly__faq-qtext {
    font-size: 15px;
  }

  .page-lien-he-dai-ly__faq-toggle {
    font-size: 20px;
    width: 24px;
    height: 24px;
  }

  details.page-lien-he-dai-ly__faq-item summary.page-lien-he-dai-ly__faq-question {
    padding: 15px;
  }

  details.page-lien-he-dai-ly__faq-item .page-lien-he-dai-ly__faq-answer {
    padding: 0 15px 15px;
  }

  /* Decorative main title + long text SEO area (general text blocks) */
  .page-lien-he-dai-ly__section-intro,
  .page-lien-he-dai-ly__benefit-description,
  .page-lien-he-dai-ly__step-description,
  .page-lien-he-dai-ly__method-description,
  .page-lien-he-dai-ly__faq-answer p {
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    text-align: left; /* Ensure text aligns left in mobile for readability */
  }

  .page-lien-he-dai-ly__final-cta-section {
    padding: 50px 0;
  }
}

/* Tablet Responsive Styles (max-width: 1024px) */
@media (max-width: 1024px) {
  .page-lien-he-dai-ly__container {
    padding: 0 25px;
  }

  .page-lien-he-dai-ly__hero-image-wrapper {
    height: 400px;
  }

  .page-lien-he-dai-ly__hero-title {
    font-size: clamp(32px, 5vw, 40px);
  }

  .page-lien-he-dai-ly__benefits-grid,
  .page-lien-he-dai-ly__steps-grid,
  .page-lien-he-dai-ly__contact-methods {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
  }
}