:root {
  --primary-color: #E53935; /* hi8 info 主色调 */
  --secondary-color: #FF5A4F; /* hi8 info 辅助色 */
  --text-main-color: #333333;
  --card-bg-color: #FFFFFF;
  --page-bg-color: #F5F7FA;
  --border-color: #E0E0E0;
}

.page-login {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* 默认文字颜色 */
  background-color: var(--page-bg-color); /* 默认页面背景色 */
}

.page-login__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

/* HERO 主图区域样式 */
.page-login__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* 依赖 body 的 padding-top，此处仅用小额顶距 */
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff; /* 确保文字在深色背景上可见 */
}

.page-login__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%; /* 确保在 flex 容器中占满宽度 */
}

.page-login__hero-image {
  width: 100%;
  margin-bottom: 30px;
  display: block;
  border-radius: 8px;
  object-fit: cover;
  max-width: 100%; /* 确保图片响应式 */
  height: auto;
}

.page-login__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.page-login__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-login__main-title {
  font-size: 3.2em; /* 使用 em/rem 相对单位 */
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
  color: #ffffff;
  max-width: 800px; /* 限制标题宽度 */
  margin-left: auto;
  margin-right: auto;
}

.page-login__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #f0f0f0;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap; /* 允许按钮换行 */
}

.page-login__cta-button {
  display: inline-block;
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box; /* 确保 padding 不增加宽度 */
  white-space: normal; /* 允许文字换行 */
  word-wrap: break-word; /* 允许文字在单词内换行 */
}

.page-login__cta-button--primary {
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
  border: none;
}

.page-login__cta-button--primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-login__cta-button--secondary {
  background: var(--card-bg-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-login__cta-button--secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 通用 section 标题和描述 */
.page-login__section-title {
  font-size: 2.5em;
  margin-bottom: 20px;
  text-align: center;
  color: var(--text-main-color);
  font-weight: bold;
}

.page-login__section-description {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #555555;
}

/* Form Section */
.page-login__form-section {
  padding: 60px 0;
  background-color: var(--page-bg-color);
  color: var(--text-main-color);
}

.page-login__login-form {
  max-width: 500px;
  margin: 0 auto;
  background: var(--card-bg-color);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}

.page-login__form-group {
  margin-bottom: 25px;
}

.page-login__form-label {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
  color: var(--text-main-color);
}

.page-login__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 1em;
  box-sizing: border-box;
  color: var(--text-main-color);
  background-color: #ffffff;
}

.page-login__form-input::placeholder {
  color: #aaaaaa;
}

.page-login__form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  font-size: 0.95em;
}

.page-login__remember-me input {
  margin-right: 8px;
}

.page-login__forgot-password,
.page-login__register-link {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-login__forgot-password:hover,
.page-login__register-link:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.page-login__btn-primary {
  width: 100%;
  padding: 15px;
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
  border: none;
  border-radius: 5px;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-login__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-login__register-prompt {
  text-align: center;
  margin-top: 25px;
  font-size: 1em;
  color: var(--text-main-color);
}

/* Benefits Section */
.page-login__benefits-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--primary-color) 0%, #B71C1C 100%); /* Slightly darker red for contrast */
  color: #ffffff;
}

.page-login__benefits-section .page-login__section-title,
.page-login__benefits-section .page-login__section-description {
  color: #ffffff;
}

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

.page-login__benefit-card {
  background: var(--card-bg-color);
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-main-color); /* Ensure text is dark on light card */
  border: 1px solid var(--border-color);
}

.page-login__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-login__benefit-icon {
  width: 200px; /* Enforce minimum size */
  height: 200px; /* Enforce minimum size */
  object-fit: contain;
  margin-bottom: 20px;
  display: block; /* Ensure it behaves as a block element */
  margin-left: auto;
  margin-right: auto;
  max-width: 100%; /* Responsive */
  height: auto; /* Responsive */
}

.page-login__benefit-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: var(--primary-color);
  font-weight: bold;
}

.page-login__benefit-text {
  font-size: 1em;
  color: #555555;
}

/* Security Section */
.page-login__security-section {
  padding: 80px 0;
  background-color: var(--page-bg-color);
  color: var(--text-main-color);
}

.page-login__security-content {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.page-login__security-text {
  flex: 1;
  min-width: 300px;
}

.page-login__security-text p {
  margin-bottom: 20px;
  font-size: 1.05em;
  color: #555555;
}

.page-login__text-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-login__text-link:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.page-login__security-image {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-login__security-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

/* Registration Section */
.page-login__registration-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
}

.page-login__registration-section .page-login__section-title,
.page-login__registration-section .page-login__section-description {
  color: #ffffff;
}

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

.page-login__step-card {
  background: var(--card-bg-color);
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  color: var(--text-main-color);
  border: 1px solid var(--border-color);
}

.page-login__step-title {
  font-size: 1.4em;
  margin-bottom: 15px;
  color: var(--primary-color);
  font-weight: bold;
}

.page-login__step-text {
  font-size: 1em;
  color: #555555;
}

/* FAQ Section */
.page-login__faq-section {
  padding: 80px 0;
  background-color: var(--page-bg-color);
  color: var(--text-main-color);
}

.page-login__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

details.page-login__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--card-bg-color);
}
details.page-login__faq-item summary.page-login__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-login__faq-item summary.page-login__faq-question::-webkit-details-marker {
  display: none;
}
details.page-login__faq-item summary.page-login__faq-question:hover {
  background: #f5f5f5;
}
.page-login__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main-color);
}
.page-login__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-login__faq-item .page-login__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: #555555;
}
details.page-login__faq-item .page-login__faq-answer p {
  margin-bottom: 10px;
  font-size: 1em;
}

/* Final CTA Section */
.page-login__cta-final-section {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--primary-color) 0%, #B71C1C 100%);
  color: #ffffff;
}

.page-login__cta-final-section .page-login__section-title,
.page-login__cta-final-section .page-login__section-description {
  color: #ffffff;
}

.page-login__cta-final-section .page-login__cta-button {
  margin-top: 30px;
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
  border: none;
}

.page-login__cta-final-section .page-login__cta-button:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .page-login__hero-image img {
    height: 500px;
  }
  .page-login__main-title {
    font-size: 2.8em;
  }
  .page-login__section-title {
    font-size: 2em;
  }
  .page-login__benefits-grid,
  .page-login__security-content,
  .page-login__registration-steps {
    grid-template-columns: 1fr;
  }
  .page-login__security-content {
    flex-direction: column;
  }
  .page-login__security-image {
    order: -1; /* Image above text on smaller screens */
  }
}

@media (max-width: 768px) {
  .page-login__hero-section {
    padding-top: 10px !important; /* 移动端保持小额顶距 */
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__hero-image img {
    border-radius: 4px;
    height: 300px; /* 更小的图片高度 */
  }
  .page-login__main-title {
    font-size: clamp(2em, 8vw, 2.5em); /* 限制字号范围 */
    margin-bottom: 15px;
  }
  .page-login__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }
  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%; /* 确保容器宽度 */
    max-width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
  }
  .page-login__cta-button {
    width: 100% !important; /* 按钮全宽 */
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 16px;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-login__container {
    padding: 20px 15px;
  }
  .page-login__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }
  .page-login__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }
  .page-login__login-form {
    padding: 25px;
  }
  .page-login__form-input {
    padding: 10px 12px;
  }
  .page-login__btn-primary {
    padding: 12px;
    font-size: 1em;
  }
  .page-login__benefit-card,
  .page-login__step-card {
    padding: 25px;
  }
  .page-login__benefit-icon {
    width: 150px; /* 移动端稍微缩小 */
    height: 150px;
  }
  .page-login__faq-list {
    margin-top: 20px;
  }
  details.page-login__faq-item summary.page-login__faq-question { padding: 15px; }
  .page-login__faq-qtext { font-size: 15px; }
  details.page-login__faq-item .page-login__faq-answer { padding: 0 15px 15px; }

  /* 强制图片响应式 */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-login__section,
  .page-login__card,
  .page-login__container,
  .page-login__form-section,
  .page-login__benefits-section,
  .page-login__security-section,
  .page-login__registration-section,
  .page-login__faq-section,
  .page-login__cta-final-section,
  .page-login__login-form,
  .page-login__benefits-grid,
  .page-login__security-content,
  .page-login__registration-steps,
  .page-login__faq-list,
  .page-login__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__cta-buttons {
    flex-wrap: wrap !important;
    gap: 10px;
  }
}

/* Ensure no CSS filter changes image colors */
.page-login img {
  filter: none !important;
}