/* Base styles for the page content, ensuring contrast with dark body background */
.page-blog-huong-dan-bj388-dangnhap-chi-tiet {
  color: #F3F8FF; /* Text Main */
  background-color: transparent; /* Body background from shared.css */
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet a {
  color: #4FA8FF; /* Glow for links */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet a:hover {
  color: #F2C14E; /* Gold on hover */
  text-decoration: underline;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section {
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section--overview {
  background-color: #10233F; /* Card BG */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section--guide {
  background-color: #08162B; /* Deep Navy */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section--app-login {
  background-color: #10233F; /* Card BG */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section--troubleshooting {
  background-color: #08162B; /* Deep Navy */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section--safety-tips {
  background-color: #10233F; /* Card BG */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section--faq {
  background-color: #08162B; /* Deep Navy */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section--cta-final {
  background-color: #10233F; /* Card BG */
  text-align: center;
}

/* Hero Section */
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__hero-section {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 600px; /* Fixed height for desktop hero */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Cover for desktop to fill space */
  display: block;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: #F3F8FF; /* Text Main */
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: 700;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn-primary,
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: bold;
  text-transform: uppercase;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn-primary:hover {
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
  box-shadow: 0 0 15px rgba(79, 168, 255, 0.6);
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn-secondary {
  background-color: transparent;
  color: #4FA8FF; /* Glow */
  border: 2px solid #4FA8FF; /* Glow */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn-secondary:hover {
  background-color: #4FA8FF;
  color: #08162B; /* Deep Navy */
  border-color: #4FA8FF;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
}

/* General Content Styles */
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #F3F8FF; /* Text Main */
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__text-block {
  font-size: 1.1em;
  color: #AFC4E8; /* Text Secondary */
  margin-bottom: 25px;
  text-align: left;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__figure {
  margin: 40px auto;
  max-width: 100%;
  display: block;
  text-align: center;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  margin: 0 auto;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__figcaption {
  color: #AFC4E8; /* Text Secondary */
  font-size: 0.9em;
  margin-top: 10px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  margin-bottom: 60px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-item {
  background-color: #08162B; /* Deep Navy */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  text-align: center;
  border: 1px solid #244D84; /* Border */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-title {
  font-size: 1.5em;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 15px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-description {
  color: #AFC4E8; /* Text Secondary */
  font-size: 1em;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-by-step {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
  margin-bottom: 60px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item {
  background-color: #10233F; /* Card BG */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid #244D84; /* Border */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-title {
  font-size: 1.4em;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 15px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item p,
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item ul,
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item li {
  color: #AFC4E8; /* Text Secondary */
  font-size: 1em;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item ul {
  list-style-type: disc;
  margin-left: 20px;
  margin-top: 10px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item li {
  margin-bottom: 5px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-guide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
  margin-bottom: 60px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-download,
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps {
  background-color: #08162B; /* Deep Navy */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid #244D84; /* Border */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-title {
  font-size: 1.4em;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 15px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-download p,
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps p,
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps ol,
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps li {
  color: #AFC4E8; /* Text Secondary */
  font-size: 1em;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps ol {
  list-style-type: decimal;
  margin-left: 20px;
  margin-top: 10px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-resolution {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  margin-bottom: 40px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-item {
  background-color: #10233F; /* Card BG */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid #244D84; /* Border */
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-title {
  font-size: 1.4em;
  color: #F3F8FF; /* Text Main */
  margin-bottom: 15px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-item p {
  color: #AFC4E8; /* Text Secondary */
  font-size: 1em;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__cta-bottom {
  text-align: center;
  margin-top: 40px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__safety-list {
  list-style-type: disc;
  margin: 40px auto;
  max-width: 900px;
  padding-left: 25px;
  color: #AFC4E8; /* Text Secondary */
  font-size: 1.1em;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__safety-list li {
  margin-bottom: 10px;
}

.page-blog-huong-dan-bj388-dangnhap-chi-tiet__safety-list li strong {
  color: #F3F8FF; /* Text Main */
}

/* FAQ styles */
details.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #244D84; /* Border */
  overflow: hidden;
  background: #10233F; /* Card BG */
}
details.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-item summary.page-blog-huong-dan-bj388-dangnhap-chi-tiet__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;
  color: #F3F8FF; /* Text Main */
}
details.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-item summary.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-question::-webkit-details-marker {
  display: none;
}
details.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-item summary.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-question:hover {
  background: #1B3357; /* Divider */
}
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
}
.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #AFC4E8; /* Text Secondary */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-item .page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-answer {
  padding: 0 20px 20px;
  background: #08162B; /* Deep Navy */
  border-radius: 0 0 5px 5px;
  color: #AFC4E8; /* Text Secondary */
}

/* Responsive styles for desktop/tablet */
@media (max-width: 1024px) {
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__hero-image-wrapper {
    height: 500px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__description {
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__section {
    padding: 40px 0;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__text-block {
    font-size: 1em;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-grid,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-by-step,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-guide,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-resolution {
    gap: 20px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-item,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-download,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-item {
    padding: 25px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__safety-list {
    font-size: 1em;
  }
}

/* Mobile responsive styles */
@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__hero-image-wrapper {
    height: 300px;
    margin-bottom: 20px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__hero-image {
    object-fit: contain !important; /* 禁止 cover 裁切两侧 */
    aspect-ratio: unset !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__description {
    font-size: clamp(0.9rem, 3.5vw, 1.1rem);
    margin-bottom: 25px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__cta-buttons {
    flex-direction: column; /* 移动端垂直排列 */
    gap: 15px;
    padding: 0 15px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn-primary,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 通用图片与容器 */
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__section {
    padding: 30px 0;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 30px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__text-block,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__figcaption,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-description,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item p,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item li,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-download p,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps p,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps li,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-item p,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__safety-list li {
    font-size: 0.95em;
  }

  /* 所有图片的基础响应式样式 */
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }

  /* 产品展示图区域 (General grids behave similarly) */
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-grid,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-by-step,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-resolution {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 25px;
    margin-bottom: 40px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-guide {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 25px;
    margin-bottom: 40px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__feature-item,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__step-item,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-download,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__app-steps,
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__issue-item {
    padding: 20px;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__section-title-wrap, /* Placeholder if existing */
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__article-body {
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__article-figure {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin-left: 0;
    margin-right: 0;
  }

  /* FAQ */
  details.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-item summary.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-question { padding: 15px; }
  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-qtext { font-size: 15px; }
  details.page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-item .page-blog-huong-dan-bj388-dangnhap-chi-tiet__faq-answer { padding: 0 15px 15px; }

  .page-blog-huong-dan-bj388-dangnhap-chi-tiet__cta-bottom {
    padding: 0 15px;
    box-sizing: border-box;
  }
}