/* style/login.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */

.page-login {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background: var(--background);
}

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

.page-login__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  background: var(--deep-green);
  text-align: center;
  overflow: hidden;
}

.page-login__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px;
}

.page-login__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-login__hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  color: var(--text-main);
}

.page-login__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--gold);
  line-height: 1.2;
  letter-spacing: 0.5px;
}

.page-login__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

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

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

.page-login__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.page-login__btn-secondary {
  background: none;
  color: var(--text-main);
  border: 2px solid var(--border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-login__btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--gold);
  border-color: var(--gold);
}

.page-login__guide-section,
.page-login__benefits-section,
.page-login__faq-section,
.page-login__conclusion-cta {
  padding: 60px 0;
  background: var(--background);
}

.page-login__security-section {
  padding: 60px 0;
  background: var(--card-b-g);
}

.page-login__register-cta {
  padding: 60px 0;
  background: var(--deep-green);
  text-align: center;
  color: var(--text-main);
}

.page-login__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--gold);
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.3;
}

.page-login__section-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

.page-login__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-login__guide-item {
  background: var(--card-b-g);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.page-login__guide-item:hover {
  transform: translateY(-5px);
}

.page-login__guide-image {
  width: 100%;
  height: 250px; /* Fixed height for consistency */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-login__guide-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 15px;
}

.page-login__guide-text {
  font-size: 1rem;
  color: var(--text-secondary);
}

.page-login__common-issues {
  background: var(--card-b-g);
  border-radius: 10px;
  padding: 40px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-login__subtitle {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 25px;
  text-align: center;
}

.page-login__text-block {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-align: center;
}

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

.page-login__issue-item {
  background: var(--background);
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-login__issue-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}

.page-login__issue-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

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

.page-login__feature-item {
  text-align: center;
  background: var(--background);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-login__feature-icon {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
}

.page-login__feature-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 15px;
}

.page-login__feature-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

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

.page-login__benefit-item {
  background: var(--card-b-g);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-login__benefit-image {
  width: 100%;
  height: 220px; /* Fixed height for consistency */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-login__benefit-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 15px;
}

.page-login__benefit-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.page-login__faq-list {
  margin-top: 30px;
}

.page-login__faq-item {
  background: var(--card-b-g);
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.page-login__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background: var(--background);
  border-bottom: 1px solid var(--divider);
}

.page-login__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-login__faq-item[open] summary {
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
}

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

.page-login__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--gold);
}

.page-login__faq-item[open] .page-login__faq-toggle {
  content: '−';
}

.page-login__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: var(--text-secondary);
  background: var(--card-b-g);
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-login__guide-image,
  .page-login__feature-icon,
  .page-login__benefit-image {
    height: auto; /* Allow images to scale proportionally */
    max-height: 250px; /* Max height for consistency */
  }
}

@media (max-width: 768px) {
  .page-login__hero-section {
    padding: 40px 15px;
  }

  .page-login__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-login__description {
    font-size: 1rem;
  }

  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-login__btn-primary,
  .page-login__btn-secondary {
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  .page-login__guide-section,
  .page-login__security-section,
  .page-login__benefits-section,
  .page-login__faq-section,
  .page-login__register-cta,
  .page-login__conclusion-cta {
    padding: 40px 0;
  }

  .page-login__container {
    padding: 0 15px;
  }

  .page-login__section-title {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-login__section-description {
    margin-bottom: 40px;
  }

  .page-login__guide-item,
  .page-login__feature-item,
  .page-login__benefit-item {
    padding: 20px;
  }

  .page-login__guide-title,
  .page-login__feature-title,
  .page-login__benefit-title {
    font-size: 1.3rem;
  }

  .page-login__guide-image,
  .page-login__feature-icon,
  .page-login__benefit-image {
    height: auto !important;
    max-width: 100% !important;
    width: 100% !important;
    display: block !important;
  }

  .page-login__common-issues {
    padding: 30px;
  }

  .page-login__subtitle {
    font-size: 1.6rem;
  }

  .page-login__issue-title {
    font-size: 1.2rem;
  }

  .page-login__faq-item summary {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-login__faq-answer {
    padding: 15px 20px;
    font-size: 0.95rem;
  }

  /* Ensure all images are responsive */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-login__section,
  .page-login__card,
  .page-login__container,
  .page-login__hero-image-wrapper,
  .page-login__guide-item,
  .page-login__feature-item,
  .page-login__benefit-item,
  .page-login__common-issues,
  .page-login__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-login__hero-section {
    padding-top: 10px !important; /* body 已承担 --header-offset */
  }
}

/* Color contrast adjustments for safety */
.page-login__dark-bg {
  background: var(--deep-green);
  color: var(--text-main); /* Light text on dark background */
}

.page-login__card-bg {
  background: var(--card-b-g);
  color: var(--text-main);
}

.page-login__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
}

.page-login__btn-secondary {
  background: none;
  color: var(--text-main);
  border: 2px solid var(--border);
}

.page-login__btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--gold);
  border-color: var(--gold);
}

.page-login__faq-item summary {
  background: var(--background);
  color: var(--text-main);
}

.page-login__faq-answer {
  background: var(--card-b-g);
  color: var(--text-secondary);
}

.page-login p, .page-login li {
  color: var(--text-secondary);
}