/* style/khuyen-mai.css */

:root {
  --qq8-primary: #113B7A;
  --qq8-secondary: #1D5FD1;
  --qq8-text-main: #F3F8FF;
  --qq8-text-secondary: #AFC4E8;
  --qq8-card-bg: #10233F;
  --qq8-border: #244D84;
  --qq8-glow: #4FA8FF;
  --qq8-gold: #F2C14E;
  --qq8-divider: #1B3357;
  --qq8-deep-navy: #08162B;
  --qq8-btn-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
}

.page-khuyen-mai {
  background-color: var(--qq8-deep-navy); /* Adjusted to custom color Deep Navy */
  color: var(--qq8-text-main);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  padding-top: 10px; /* Small top padding, body handles header offset */
}

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

.page-khuyen-mai__section {
  padding: 40px 0;
}

.page-khuyen-mai__section-title {
  font-size: 2.5em;
  color: var(--qq8-gold);
  text-align: center;
  margin-bottom: 30px;
  font-weight: 700;
  line-height: 1.2;
}

.page-khuyen-mai__paragraph {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: var(--qq8-text-secondary);
  text-align: justify;
}

.page-khuyen-mai__paragraph .highlight {
  color: var(--qq8-gold);
  font-weight: bold;
}

.page-khuyen-mai__link-text {
  color: var(--qq8-secondary);
  text-decoration: none;
}

.page-khuyen-mai__link-text:hover {
  text-decoration: underline;
}

/* Hero Section */
.page-khuyen-mai__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.page-khuyen-mai__hero-image-wrap {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
  margin-bottom: 20px;
}

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

.page-khuyen-mai__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-khuyen-mai__main-title {
  font-size: 3.2em;
  color: var(--qq8-gold);
  margin-bottom: 20px;
  font-weight: 800;
  line-height: 1.1;
}

.page-khuyen-mai__hero-description {
  font-size: 1.3em;
  color: var(--qq8-text-main);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-khuyen-mai__hero-cta-group {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-khuyen-mai__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__btn--primary {
  background: var(--qq8-btn-gradient);
  color: var(--qq8-text-main);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-khuyen-mai__btn--secondary {
  background-color: transparent;
  color: var(--qq8-gold);
  border: 2px solid var(--qq8-gold);
}

.page-khuyen-mai__btn--secondary:hover {
  background-color: rgba(242, 193, 78, 0.1);
  transform: translateY(-2px);
}

.page-khuyen-mai__btn--large {
  padding: 18px 35px;
  font-size: 1.2em;
}

.page-khuyen-mai__btn--extra-large {
  padding: 20px 40px;
  font-size: 1.3em;
}

.page-khuyen-mai__btn--small {
  padding: 12px 25px;
  font-size: 0.95em;
}

/* General Content Styles */
.page-khuyen-mai__figure {
  margin: 30px auto;
  text-align: center;
  max-width: 800px;
}

.page-khuyen-mai__image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  display: block; /* Ensures proper spacing */
  margin: 0 auto;
}

.page-khuyen-mai__figcaption {
  color: var(--qq8-text-secondary);
  font-size: 0.9em;
  margin-top: 10px;
  text-align: center;
}

.page-khuyen-mai__list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-khuyen-mai__list-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  color: var(--qq8-text-secondary);
}

.page-khuyen-mai__list-item::before {
  content: '✔';
  color: var(--qq8-gold);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Promo Types Section */
.page-khuyen-mai__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 30px;
  margin-bottom: 40px;
}

.page-khuyen-mai__promo-card {
  background-color: var(--qq8-card-bg);
  border: 1px solid var(--qq8-border);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-khuyen-mai__card-title {
  font-size: 1.5em;
  color: var(--qq8-gold);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-khuyen-mai__card-text {
  font-size: 1em;
  color: var(--qq8-text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-khuyen-mai__card-link {
  display: inline-block;
  background-color: var(--qq8-secondary);
  color: var(--qq8-text-main);
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.95em;
  align-self: flex-start;
  transition: background-color 0.3s ease;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__card-link:hover {
  background-color: #1144A6; /* Darker shade of secondary */
}

/* How to Claim Section */
.page-khuyen-mai__steps-list {
  list-style: none;
  padding: 0;
  margin: 40px 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.page-khuyen-mai__step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--qq8-btn-gradient);
  color: var(--qq8-text-main);
  font-size: 1.8em;
  font-weight: bold;
  flex-shrink: 0;
  margin-right: 20px;
}

.page-khuyen-mai__steps-list .page-khuyen-mai__list-item {
  display: flex;
  align-items: flex-start;
  padding-left: 0;
}

.page-khuyen-mai__steps-list .page-khuyen-mai__list-item::before {
  content: none;
}

.page-khuyen-mai__step-content {
  flex-grow: 1;
}

.page-khuyen-mai__step-title {
  font-size: 1.6em;
  color: var(--qq8-gold);
  margin-bottom: 10px;
  font-weight: 700;
}

.page-khuyen-mai__step-text {
  font-size: 1.05em;
  color: var(--qq8-text-secondary);
}

.page-khuyen-mai__cta-wrapper {
  text-align: center;
  margin-top: 40px;
}

/* Benefits Section */
.page-khuyen-mai__benefits-list {
  list-style: none;
  padding: 0;
  margin: 40px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.page-khuyen-mai__benefits-list .page-khuyen-mai__list-item {
  background-color: var(--qq8-card-bg);
  border: 1px solid var(--qq8-border);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  text-align: center;
  padding-left: 25px; /* Reset for general list-item */
}

.page-khuyen-mai__benefits-list .page-khuyen-mai__list-item::before {
  content: none;
}

.page-khuyen-mai__benefit-title {
  font-size: 1.4em;
  color: var(--qq8-gold);
  margin-bottom: 10px;
  font-weight: 700;
}

.page-khuyen-mai__benefit-text {
  font-size: 1em;
  color: var(--qq8-text-secondary);
}

/* FAQ Section */
.page-khuyen-mai__faq-list {
  margin-top: 30px;
}

.page-khuyen-mai__faq-item {
  background-color: var(--qq8-card-bg);
  border: 1px solid var(--qq8-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--qq8-text-main);
  cursor: pointer;
  background-color: var(--qq8-primary);
  border-bottom: 1px solid var(--qq8-border);
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

.page-khuyen-mai__faq-question::-webkit-details-marker, /* Hide default marker for Chrome */
.page-khuyen-mai__faq-question::marker { /* Hide default marker for Firefox */
  display: none;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question {
  background-color: var(--qq8-secondary);
  border-bottom-color: transparent;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle {
  transform: rotate(45deg);
}

.page-khuyen-mai__faq-qtext {
  flex-grow: 1;
  color: var(--qq8-text-main);
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--qq8-gold);
  transition: transform 0.3s ease;
}

.page-khuyen-mai__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  color: var(--qq8-text-secondary);
  background-color: var(--qq8-card-bg);
}

.page-khuyen-mai__faq-more-info {
  text-align: center;
  margin-top: 30px;
  font-size: 1.1em;
  color: var(--qq8-text-secondary);
}

/* Conclusion Section */
.page-khuyen-mai__conclusion-section {
  text-align: center;
  padding-top: 50px;
  padding-bottom: 60px;
  background: linear-gradient(to bottom, var(--qq8-deep-navy), var(--qq8-primary));
  border-top: 1px solid var(--qq8-divider);
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__section-title {
  color: var(--qq8-gold);
  font-size: 2.8em;
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__paragraph {
  max-width: 800px;
  margin: 0 auto 40px auto;
  font-size: 1.2em;
  color: var(--qq8-text-main);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-khuyen-mai__main-title {
    font-size: 2.8em;
  }
  .page-khuyen-mai__hero-description {
    font-size: 1.2em;
  }
  .page-khuyen-mai__section-title {
    font-size: 2em;
  }
  .page-khuyen-mai__promo-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-khuyen-mai__benefits-list {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  /* 顶区标题 + 双 CTA */
  .page-khuyen-mai {
    padding-top: 10px !important; /* Small top padding, body handles header offset */
  }
  .page-khuyen-mai__hero-section {
    padding-bottom: 20px;
  }
  .page-khuyen-mai__hero-image-wrap {
    margin-bottom: 15px;
  }
  .page-khuyen-mai__main-title {
    font-size: 2.2em !important;
    margin-bottom: 15px;
  }
  .page-khuyen-mai__hero-description {
    font-size: 1em !important;
    margin-bottom: 25px;
  }
  .page-khuyen-mai__hero-cta-group {
    flex-direction: column;
    gap: 15px;
  }
  .page-khuyen-mai__btn {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 单栏长文容器 */
  .page-khuyen-mai__section {
    padding: 30px 0;
  }
  .page-khuyen-mai__container {
    padding: 0 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai__section-title {
    font-size: 1.8em !important;
    margin-bottom: 25px;
  }
  .page-khuyen-mai__paragraph {
    font-size: 0.95em !important;
  }
  .page-khuyen-mai__list-item {
    font-size: 0.95em !important;
    padding-left: 25px;
  }

  /* 通用图片与 figure */
  .page-khuyen-mai__image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai__figure {
    margin: 20px auto;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-khuyen-mai__figcaption {
    font-size: 0.8em;
  }

  /* 按钮与按钮容器 */
  .page-khuyen-mai__promo-card .page-khuyen-mai__card-link,
  .page-khuyen-mai__cta-wrapper .page-khuyen-mai__btn {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-khuyen-mai__promo-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-khuyen-mai__promo-card {
    padding: 20px;
  }
  .page-khuyen-mai__card-title {
    font-size: 1.3em;
  }
  .page-khuyen-mai__card-text {
    font-size: 0.9em;
  }
  .page-khuyen-mai__steps-list {
    gap: 20px;
  }
  .page-khuyen-mai__step-number {
    width: 40px;
    height: 40px;
    font-size: 1.5em;
    margin-right: 15px;
  }
  .page-khuyen-mai__step-title {
    font-size: 1.4em;
  }
  .page-khuyen-mai__step-text {
    font-size: 0.9em;
  }
  .page-khuyen-mai__benefits-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-khuyen-mai__benefits-list .page-khuyen-mai__list-item {
    padding: 20px;
  }
  .page-khuyen-mai__benefit-title {
    font-size: 1.2em;
  }
  .page-khuyen-mai__benefit-text {
    font-size: 0.9em;
  }

  /* FAQ 区块 */
  .page-khuyen-mai__faq-question {
    padding: 15px 20px;
    font-size: 1.1em;
  }
  .page-khuyen-mai__faq-answer {
    padding: 15px 20px;
    font-size: 0.9em;
  }
  .page-khuyen-mai__faq-more-info {
    font-size: 1em;
  }

  /* Conclusion Section */
  .page-khuyen-mai__conclusion-section .page-khuyen-mai__section-title {
    font-size: 2em !important;
  }
  .page-khuyen-mai__conclusion-section .page-khuyen-mai__paragraph {
    font-size: 1em !important;
  }
}