:root {
  --primary-color: #C91F17;
  --secondary-color: #E53935;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --card-bg: #D32F2F;
  --section-bg: #B71C1C;
  --text-main: #FFF5E1;
  --border-color: #F2B544;
  --glow-color: #FFCC66;
  --gold-color: #F4D34D;
  --deep-red: #7A0E0E;
  --text-dark: #333333;
  --text-light: #ffffff;
}

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

.page-login__hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, body handles header offset */
  margin-bottom: 40px;
}

.page-login__hero-image {
  width: 100%;
  height: 600px;
  overflow: hidden;
}

.page-login__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-login__hero-content {
  position: relative;
  max-width: 1200px;
  margin: -200px auto 0;
  padding: 40px;
  text-align: center;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 10px;
  color: var(--text-light);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

.page-login__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--gold-color);
  line-height: 1.2;
}

.page-login__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__hero-cta {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.page-login__btn-primary,
.page-login__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  box-sizing: border-box;
}

.page-login__btn-primary {
  background: var(--button-gradient);
  color: #333333;
  border: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-login__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-login__btn-secondary {
  background: transparent;
  color: var(--gold-color);
  border: 2px solid var(--gold-color);
}

.page-login__btn-secondary:hover {
  background: rgba(255, 215, 0, 0.1);
  color: #ffffff;
}

.page-login__login-form-section {
  padding: 60px 0;
  background: #f8f8f8;
  margin-bottom: 40px;
}

.page-login__container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-login__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.page-login__section-title--light {
  color: var(--text-light);
}

.page-login__section-subtitle {
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 40px;
  color: #666;
}

.page-login__section-subtitle--light {
  color: rgba(255, 255, 255, 0.8);
}

.page-login__login-form {
  background: #ffffff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  max-width: 500px;
  margin: 0 auto;
}

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

.page-login__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-dark);
}

.page-login__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
  box-sizing: border-box;
}

.page-login__form-input:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.2);
}

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

.page-login__remember-me {
  display: flex;
  align-items: center;
}

.page-login__checkbox {
  margin-right: 8px;
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.page-login__checkbox-label {
  color: var(--text-dark);
  cursor: pointer;
}

.page-login__forgot-password {
  color: var(--primary-color);
  text-decoration: none;
}

.page-login__forgot-password:hover {
  text-decoration: underline;
}

.page-login__submit-button {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
  margin-top: 15px;
}

.page-login__register-prompt {
  text-align: center;
  margin-top: 30px;
  font-size: 1rem;
  color: #555;
}

.page-login__register-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.page-login__register-link:hover {
  text-decoration: underline;
}

.page-login__benefits-section {
  background: var(--section-bg);
  padding: 80px 0;
  margin-bottom: 40px;
}

.page-login__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-login__benefit-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--text-light);
  transition: transform 0.3s ease;
}

.page-login__benefit-card:hover {
  transform: translateY(-5px);
}

.page-login__benefit-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  object-fit: contain;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-login__benefit-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--gold-color);
}

.page-login__benefit-description {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.page-login__guide-section {
  padding: 60px 0;
  background: #f8f8f8;
  margin-bottom: 40px;
}

.page-login__article-body {
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-dark);
}

.page-login__subsection-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-login__article-body p {
  margin-bottom: 20px;
  line-height: 1.7;
  font-size: 1rem;
}

.page-login__image-container {
  text-align: center;
  margin: 30px 0;
  background: #fff;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.page-login__content-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 5px;
}

.page-login__benefits-list {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 20px;
}

.page-login__benefits-list li {
  margin-bottom: 10px;
  font-size: 1rem;
}

.page-login__benefits-list li strong {
  color: var(--primary-color);
}

.page-login__faq-section {
  background: var(--section-bg);
  padding: 80px 0;
}

.page-login__faq-list {
  max-width: 800px;
  margin: 50px auto 0;
}

details.page-login__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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: var(--deep-red);
}

.page-login__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main);
}

.page-login__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--gold-color);
  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: var(--deep-red);
  border-radius: 0 0 8px 8px;
  color: rgba(255, 255, 255, 0.9);
}

.page-login__cta-section {
  padding: 80px 0;
  background: #f0f0f0;
  text-align: center;
}

.page-login__cta-container {
  max-width: 800px;
}

.page-login__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 1024px) {
  .page-login__hero-content {
    margin-top: -150px;
    padding: 30px;
  }
  .page-login__main-title {
    font-size: 2.8rem;
  }
  .page-login__hero-description {
    font-size: 1rem;
  }
  .page-login__benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-login__hero-section {
    padding-top: 10px;
    margin-bottom: 20px;
  }
  .page-login__hero-image {
    height: 400px;
  }
  .page-login__hero-image img {
    object-fit: contain !important; /* HERO 主图区域: 移动 object-fit:contain !important */
    aspect-ratio: unset !important;
  }
  .page-login__hero-content {
    margin-top: -100px;
    padding: 20px;
  }
  .page-login__main-title {
    font-size: clamp(2rem, 6vw, 2.5rem); /* 页面标题区 H1 字号用 clamp */
  }
  .page-login__hero-description {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }
  .page-login__hero-cta {
    flex-direction: column;
    gap: 15px;
  }
  .page-login__btn-primary,
  .page-login__btn-secondary {
    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: 1rem;
  }
  .page-login__section-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
  }
  .page-login__section-subtitle {
    font-size: 1rem;
    margin-bottom: 30px;
  }
  .page-login__login-form {
    padding: 25px;
  }
  .page-login__form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .page-login__benefits-section {
    padding: 40px 0;
  }
  .page-login__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-login__benefit-card {
    padding: 25px;
  }
  .page-login__benefit-icon {
    width: 60px;
    height: 60px;
  }
  .page-login__benefit-title {
    font-size: 1.3rem;
  }
  .page-login__benefit-description {
    font-size: 0.9rem;
  }
  .page-login__guide-section {
    padding: 40px 0;
  }
  .page-login__article-body {
    padding: 0 15px; /* 通用图片与容器: max-width: 100% 等 */
  }
  .page-login__subsection-title {
    font-size: 1.5rem;
    margin-top: 30px;
  }
  .page-login__article-body p,
  .page-login__benefits-list li {
    font-size: 0.95rem;
  }
  .page-login__image-container {
    margin: 20px 0;
    padding: 5px;
  }
  .page-login__content-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-login__faq-section {
    padding: 40px 0;
  }
  .page-login__faq-list {
    margin-top: 30px;
    padding: 0 15px;
  }
  details.page-login__faq-item summary.page-login__faq-question {
    padding: 15px;
  }
  .page-login__faq-qtext {
    font-size: 1rem;
  }
  .page-login__faq-toggle {
    font-size: 20px;
    width: 24px;
    height: 24px;
  }
  details.page-login__faq-item .page-login__faq-answer {
    padding: 0 15px 15px;
  }
  .page-login__cta-section {
    padding: 50px 0;
  }
  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
    padding: 0 15px;
  }
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-login__container,
  .page-login__article-body,
  .page-login__login-form-section,
  .page-login__benefits-section,
  .page-login__guide-section,
  .page-login__faq-section,
  .page-login__cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__login-form-section .page-login__container,
  .page-login__benefits-section .page-login__container,
  .page-login__guide-section .page-login__container,
  .page-login__faq-section .page-login__container,
  .page-login__cta-section .page-login__container {
    padding-left: 0;
    padding-right: 0;
  }
}