/* style/partnerships.css */
:root {
  --primary-color: #2F6BFF;
  --secondary-color: #6FA3FF;
  --card-bg: #FFFFFF;
  --background-color: #F4F7FB;
  --text-main-color: #1F2D3D;
  --text-black-color: #000000;
  --border-color: #D6E2FF;
  --glow-color: #A5C4FF;
  --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
}

.page-partnerships {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Default text color for light backgrounds */
  background-color: var(--background-color);
}

.page-partnerships__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-partnerships__section {
  padding: 60px 0;
  text-align: center;
}

.page-partnerships__section-title {
  font-size: 2.5em;
  color: var(--text-main-color);
  margin-bottom: 30px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-partnerships__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-main-color);
}

/* Hero Section */
.page-partnerships__hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
  color: #ffffff; /* Light text for dark background */
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color); /* Fallback background */
}

.page-partnerships__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.7;
}

.page-partnerships__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 20px;
}

.page-partnerships__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive font size for H1 */
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.page-partnerships__hero-description {
  font-size: 1.2em;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

.page-partnerships__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-partnerships__btn-primary,
.page-partnerships__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-partnerships__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-partnerships__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-partnerships__btn-secondary {
  background: #ffffff;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-partnerships__btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
  background: var(--primary-color);
  color: #ffffff;
}

/* Intro Section */
.page-partnerships__intro-section {
  background-color: var(--background-color);
  color: var(--text-main-color);
}

/* Why Choose Us Section */
.page-partnerships__why-choose-us {
  background-color: var(--background-color);
}

.page-partnerships__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-partnerships__feature-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%; /* Ensure cards are same height */
  color: var(--text-main-color);
}

.page-partnerships__feature-icon {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-partnerships__card-title {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-main-color);
}

.page-partnerships__card-description {
  font-size: 1em;
  line-height: 1.7;
  color: var(--text-main-color);
}

/* Commission Structure Section */
.page-partnerships__commission-structure {
  background-color: var(--background-color);
}

.page-partnerships__image-full-width {
  width: 100%;
  height: auto;
  max-width: 800px;
  margin: 30px auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* Join Steps Section */
.page-partnerships__join-steps {
  background-color: var(--background-color);
}

.page-partnerships__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-partnerships__step-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  color: var(--text-main-color);
}

.page-partnerships__step-number {
  font-size: 2.5em;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-partnerships__cta-buttons--centered {
  margin-top: 50px;
}

/* FAQ Section */
.page-partnerships__faq-section {
  background-color: var(--background-color);
}

.page-partnerships__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
  text-align: left;
}

.page-partnerships__faq-item {
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 20px;
  overflow: hidden;
  color: var(--text-main-color);
}

.page-partnerships__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--text-main-color);
  cursor: pointer;
  background-color: var(--card-bg);
  position: relative;
  list-style: none; /* For details/summary */
}

.page-partnerships__faq-question::-webkit-details-marker {
  display: none;
}

.page-partnerships__faq-qtext {
  flex-grow: 1;
}

.page-partnerships__faq-toggle {
  font-size: 1.5em;
  font-weight: 600;
  color: var(--primary-color);
  margin-left: 20px;
}

.page-partnerships__faq-answer {
  padding: 0 30px 20px 30px;
  font-size: 1em;
  line-height: 1.7;
  color: var(--text-main-color);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.page-partnerships__faq-item[open] .page-partnerships__faq-answer {
  max-height: 1000px; /* Sufficiently large for content */
  transition: max-height 0.4s ease-in;
}

/* Contact Section */
.page-partnerships__contact-section {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 80px 0;
}

.page-partnerships__contact-section .page-partnerships__section-title {
  color: #ffffff;
}

.page-partnerships__contact-section .page-partnerships__text-block {
  color: #f0f0f0;
}

/* Copyright Section */
.page-partnerships__copyright-section {
  padding: 30px 0;
  background-color: #1F2D3D; /* Darker background for footer-like content */
  color: #ffffff;
  font-size: 0.9em;
}

/* General Image Styling */
.page-partnerships img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Responsive Styles (Desktop First) --- */

/* Tablet and Mobile (max-width: 1024px) */
@media (max-width: 1024px) {
  .page-partnerships__section {
    padding: 40px 0;
  }

  .page-partnerships__section-title {
    font-size: 2em;
  }

  .page-partnerships__hero-description {
    font-size: 1.1em;
  }

  .page-partnerships__feature-card,
  .page-partnerships__step-card {
    padding: 25px;
  }

  .page-partnerships__faq-question {
    padding: 18px 25px;
    font-size: 1.1em;
  }

  .page-partnerships__faq-answer {
    padding: 0 25px 18px 25px;
  }
}

/* Mobile (max-width: 768px) - MUST INCLUDE ALL REQUIRED BLOCKS */
@media (max-width: 768px) {
  .page-partnerships {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-partnerships__container {
    padding-left: 15px;
    padding-right: 15px;
  }

  /* HERO 主图区域 */
  .page-partnerships__hero-section {
    padding-top: 10px !important; /* Small top padding for mobile */
    padding-bottom: 40px !important;
  }

  .page-partnerships__main-title {
    font-size: clamp(2em, 8vw, 2.5em) !important;
    margin-bottom: 15px !important;
  }

  .page-partnerships__hero-description {
    font-size: 1em !important;
    margin-bottom: 30px !important;
  }

  /* 通用图片与容器 */
  .page-partnerships img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-partnerships__section,
  .page-partnerships__card,
  .page-partnerships__container,
  .page-partnerships__features-grid,
  .page-partnerships__steps-grid,
  .page-partnerships__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-partnerships__section {
    padding: 30px 0 !important;
  }

  .page-partnerships__section-title {
    font-size: 1.8em !important;
    margin-bottom: 20px !important;
  }

  .page-partnerships__text-block {
    font-size: 1em !important;
  }

  /* 按钮与按钮容器 */
  .page-partnerships__cta-buttons {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-partnerships__btn-primary,
  .page-partnerships__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px !important;
    font-size: 1em !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 其他内容模块 (e.g., cards, FAQ) */
  .page-partnerships__features-grid,
  .page-partnerships__steps-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-partnerships__feature-card,
  .page-partnerships__step-card,
  .page-partnerships__faq-item {
    padding: 20px !important;
  }

  .page-partnerships__feature-icon {
    max-height: 150px !important;
  }

  .page-partnerships__card-title {
    font-size: 1.3em !important;
  }

  .page-partnerships__faq-question {
    font-size: 1em !important;
    padding: 15px 20px !important;
  }

  .page-partnerships__faq-answer {
    padding: 0 20px 15px 20px !important;
  }

  .page-partnerships__contact-section {
    padding: 50px 0 !important;
  }

  .page-partnerships__copyright-section {
    padding: 20px 0 !important;
  }
}