:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --accent-color-login: #EA7C07;
  --text-color-dark: #333333;
  --text-color-light: #FFFFFF;
  --border-color: #e0e0e0;
}

/* 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-color-dark);
  background-color: var(--secondary-color); /* Body background is #FFFFFF, so content text should be dark */
}

.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;
  padding: 10px 0 60px 0; /* Small top padding, body handles header offset */
  background-color: var(--secondary-color);
  text-align: center;
  overflow: hidden;
}

.page-login__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  margin-bottom: 20px;
}

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

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

.page-login__main-title {
  font-size: clamp(2em, 4vw, 2.8em); /* Responsive font size for H1 */
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
}

.page-login__hero-description {
  font-size: 1.1em;
  color: var(--text-color-dark);
  margin-bottom: 30px;
}

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

.page-login__btn-primary,
.page-login__btn-secondary,
.page-login__btn-tertiary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  box-sizing: border-box;
  max-width: 100%;
}

.page-login__btn-primary {
  background-color: var(--accent-color-login);
  color: var(--text-color-light);
  border: 2px solid var(--accent-color-login);
}

.page-login__btn-primary:hover {
  background-color: darken(var(--accent-color-login), 10%);
  border-color: darken(var(--accent-color-login), 10%);
}

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

.page-login__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

.page-login__btn-tertiary {
  background-color: var(--primary-color);
  color: var(--text-color-light);
  border: 2px solid var(--primary-color);
  padding: 8px 18px;
  font-size: 0.9em;
}

.page-login__btn-tertiary:hover {
  background-color: darken(var(--primary-color), 10%);
  border-color: darken(var(--primary-color), 10%);
}

.page-login__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 25px;
  font-weight: bold;
}

.page-login__section-description {
  font-size: 1.05em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: var(--text-color-dark);
}

.page-login__why-choose,
.page-login__games-section,
.page-login__faq-section {
  padding: 60px 0;
  background-color: var(--secondary-color);
}

.page-login__dark-section {
  padding: 60px 0;
  background-color: var(--primary-color);
  color: var(--text-color-light);
}

.page-login__dark-section .page-login__section-title,
.page-login__dark-section .page-login__section-description,
.page-login__dark-section .page-login__feature-title,
.page-login__dark-section .page-login__feature-text,
.page-login__dark-section .page-login__step-title,
.page-login__dark-section .page-login__step-text,
.page-login__dark-section .page-login__security-title,
.page-login__dark-section .page-login__security-text {
  color: var(--text-color-light);
}

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

.page-login__feature-item {
  text-align: center;
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}

.page-login__feature-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-login__feature-title {
  font-size: 1.4em;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.page-login__feature-text {
  font-size: 1em;
  color: var(--text-color-dark);
}

.page-login__guide-section {
  text-align: center;
}

.page-login__guide-steps {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-login__step-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-login__step-number {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--accent-color-login);
  margin-bottom: 15px;
}

.page-login__step-title {
  font-size: 1.3em;
  font-weight: bold;
  color: var(--text-color-light);
  margin-bottom: 10px;
}

.page-login__step-text {
  font-size: 0.95em;
  color: var(--text-color-light);
}

.page-login__guide-image {
  width: 100%;
  height: auto;
  display: block;
  max-width: 900px;
  margin: 50px auto 0 auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

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

.page-login__game-card {
  background-color: var(--secondary-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: center;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.page-login__game-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
}

.page-login__game-card h3 {
  font-size: 1.3em;
  color: var(--primary-color);
  margin: 20px 15px 10px 15px;
}

.page-login__game-card p {
  font-size: 0.95em;
  color: var(--text-color-dark);
  padding: 0 15px 20px 15px;
  flex-grow: 1;
}

.page-login__game-card .page-login__btn-tertiary {
  margin: 0 15px 20px 15px;
}

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

.page-login__security-item {
  text-align: center;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-login__security-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-login__security-title {
  font-size: 1.3em;
  font-weight: bold;
  color: var(--text-color-light);
  margin-bottom: 10px;
}

.page-login__security-text {
  font-size: 0.95em;
  color: var(--text-color-light);
}

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

.page-login__faq-item {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-login__faq-item summary {
  list-style: none; /* Remove default marker */
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-weight: bold;
  color: var(--primary-color);
  font-size: 1.1em;
  user-select: none;
}

.page-login__faq-item summary::-webkit-details-marker {
  display: none; /* For Webkit browsers */
}

.page-login__faq-qtext {
  flex-grow: 1;
  margin-right: 15px;
}

.page-login__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: var(--accent-color-login);
}

.page-login__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: var(--text-color-dark);
  border-top: 1px solid var(--border-color);
  background-color: #f9f9f9;
}

.page-login__faq-answer p {
  margin-top: 15px;
  margin-bottom: 0;
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-login__main-title {
    font-size: clamp(2em, 4.5vw, 2.5em);
  }
  .page-login__section-title {
    font-size: clamp(1.8em, 4vw, 2.2em);
  }
}

@media (max-width: 768px) {
  .page-login__hero-section {
    padding: 10px 0 40px 0;
  }
  .page-login__main-title {
    font-size: clamp(1.8em, 7vw, 2.2em);
  }
  .page-login__hero-description {
    font-size: 1em;
  }
  .page-login__section-title {
    font-size: clamp(1.6em, 6vw, 2em);
  }
  .page-login__section-description {
    font-size: 0.95em;
  }
  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }
  .page-login__btn-primary,
  .page-login__btn-secondary,
  .page-login__btn-tertiary {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* Mobile image responsiveness */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-login__hero-image-wrapper,
  .page-login__guide-image,
  .page-login__game-image,
  .page-login__feature-icon,
  .page-login__security-icon,
  .page-login__container,
  .page-login__why-choose,
  .page-login__guide-section,
  .page-login__games-section,
  .page-login__security-section,
  .page-login__faq-section,
  .page-login__cta-section,
  .page-login__feature-item,
  .page-login__step-item,
  .page-login__game-card,
  .page-login__security-item,
  .page-login__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-login__hero-content {
    padding: 0 15px;
  }

  .page-login__features-grid,
  .page-login__guide-steps,
  .page-login__games-grid,
  .page-login__security-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-login__feature-item,
  .page-login__step-item,
  .page-login__game-card,
  .page-login__security-item {
    min-width: unset;
    max-width: unset;
  }

  .page-login__game-image {
    height: 180px;
  }

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

  .page-login__faq-answer {
    padding: 0 20px 15px 20px;
  }
}

@media (max-width: 480px) {
  .page-login__hero-section,
  .page-login__why-choose,
  .page-login__guide-section,
  .page-login__games-section,
  .page-login__security-section,
  .page-login__faq-section,
  .page-login__cta-section {
    padding-left: 10px;
    padding-right: 10px;
  }
  .page-login__container {
    padding: 0 10px;
  }
  .page-login__main-title {
    font-size: clamp(1.6em, 8vw, 2em);
  }
  .page-login__section-title {
    font-size: clamp(1.4em, 7vw, 1.8em);
  }
}

/* Ensure no CSS filters are used on images */
.page-login img {
  filter: none; /* Important: No CSS filter effects */
}

/* Contrast Fixes - if needed, but primary colors should be good */
.page-login__contrast-fix {
  background: #ffffff !important;
  color: #333333 !important;
  border: 1px solid #e0e0e0 !important;
}

.page-login__text-contrast-fix {
  color: #333333 !important;
  text-shadow: none !important;
}