/* style/blog.css */

:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --background-color-dark: #08160F;
  --card-bg-color: #11271B;
  --text-main-color: #F2FFF6;
  --text-secondary-color: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green-color: #0A4B2C;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Main text color for dark body background */
  background-color: var(--background-color-dark);
}

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

.page-blog__section-title {
  font-size: clamp(28px, 4vw, 42px);
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.2;
}

.page-blog__sub-title {
  font-size: clamp(22px, 3vw, 30px);
  color: var(--secondary-color);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-blog__paragraph {
  font-size: 17px;
  margin-bottom: 20px;
  color: var(--text-secondary-color);
}

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

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

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-blog__hero-content {
  max-width: 800px;
  z-index: 1;
}

.page-blog__main-title {
  font-size: clamp(32px, 5vw, 56px); /* Use clamp for H1 font size */
  color: var(--gold-color);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
}

.page-blog__hero-description {
  font-size: 18px;
  color: var(--text-main-color);
  margin-bottom: 30px;
}

.page-blog__btn-primary,
.page-blog__btn-secondary,
.page-blog a[class*="btn"] {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-blog__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-blog__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  opacity: 0.9;
}

.page-blog__btn-secondary {
  background: var(--card-bg-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  margin-left: 15px;
}

.page-blog__btn-secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-blog__introduction-section,
.page-blog__advantages-section,
.page-blog__promotions-section,
.page-blog__guide-section,
.page-blog__tips-section,
.page-blog__blog-posts,
.page-blog__faq-section,
.page-blog__cta-final {
  padding: 60px 0;
  background-color: var(--background-color-dark);
}

.page-blog__dark-section {
  background-color: var(--deep-green-color);
}

.page-blog__dark-bg {
  background-color: var(--background-color-dark);
}

.page-blog__card-bg {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-blog__grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog__advantage-card {
  padding: 30px;
  text-align: center;
}

.page-blog__advantage-card .page-blog__card-image {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-blog__card-title {
  font-size: 24px;
  color: var(--text-main-color);
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-blog__card-text {
  font-size: 16px;
  color: var(--text-secondary-color);
}

.page-blog__list {
  list-style: none;
  padding: 0;
  margin-top: 15px;
  text-align: left;
}

.page-blog__list li {
  margin-bottom: 8px;
  color: var(--text-secondary-color);
  position: relative;
  padding-left: 20px;
}

.page-blog__list li::before {
  content: '•';
  color: var(--gold-color);
  position: absolute;
  left: 0;
  top: 0;
}

.page-blog__list-link {
  color: var(--primary-color);
  text-decoration: none;
}

.page-blog__list-link:hover {
  text-decoration: underline;
  color: var(--glow-color);
}

.page-blog__promotion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog__promotion-card {
  padding: 25px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-blog__promotion-card .page-blog__card-image {
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-blog__promotion-card .page-blog__card-title {
  font-size: 22px;
  margin-bottom: 15px;
}

.page-blog__promotion-card .page-blog__card-link {
  color: var(--text-main-color);
  text-decoration: none;
}

.page-blog__promotion-card .page-blog__card-link:hover {
  color: var(--glow-color);
  text-decoration: underline;
}

.page-blog__promotion-card .page-blog__card-text {
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-blog__btn-text {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  margin-top: 10px;
}

.page-blog__btn-text:hover {
  text-decoration: underline;
  color: var(--glow-color);
}

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

.page-blog__step-card {
  padding: 25px;
  text-align: center;
}

.page-blog__step-card .page-blog__card-image {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-blog__step-card .page-blog__card-title {
  font-size: 20px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-blog__cta-container {
  text-align: center;
  margin-top: 50px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-blog__list-tips {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-blog__list-tips li {
  margin-bottom: 15px;
  color: var(--text-secondary-color);
  font-size: 17px;
  position: relative;
  padding-left: 25px;
}

.page-blog__list-tips li::before {
  content: '✅';
  position: absolute;
  left: 0;
  top: 0;
  font-size: 18px;
}

.page-blog__list-tips strong {
  color: var(--text-main-color);
}

.page-blog__post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog__post-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.page-blog__post-card .page-blog__card-image {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
  display: block;
}

.page-blog__post-content {
  flex-grow: 1;
}

.page-blog__post-title {
  font-size: 20px;
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-blog__post-title .page-blog__card-link {
  color: var(--text-main-color);
  text-decoration: none;
}

.page-blog__post-title .page-blog__card-link:hover {
  color: var(--glow-color);
  text-decoration: underline;
}

.page-blog__post-meta {
  font-size: 14px;
  color: var(--text-secondary-color);
  margin-bottom: 10px;
}

.page-blog__post-excerpt {
  font-size: 16px;
  color: var(--text-secondary-color);
  margin-bottom: 15px;
}

.page-blog__view-all-button {
  text-align: center;
  margin-top: 50px;
}

.page-blog__faq-list {
  margin-top: 40px;
}

.page-blog__faq-item {
  margin-bottom: 15px;
  padding: 15px 25px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-blog__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
  font-weight: bold;
  color: var(--text-main-color);
  list-style: none;
  padding: 10px 0;
}

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

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

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

.page-blog__faq-toggle {
  font-size: 24px;
  line-height: 1;
  margin-left: 15px;
  color: var(--gold-color);
}

.page-blog__faq-answer {
  font-size: 16px;
  color: var(--text-secondary-color);
  padding-top: 10px;
  padding-bottom: 5px;
  line-height: 1.7;
}

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

.page-blog__cta-final {
  text-align: center;
  padding-bottom: 80px;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
  .page-blog__main-title {
    font-size: clamp(28px, 4.5vw, 48px);
  }
  .page-blog__hero-description {
    font-size: 16px;
  }
  .page-blog__section-title {
    font-size: clamp(26px, 3.5vw, 38px);
  }
  .page-blog__sub-title {
    font-size: clamp(20px, 2.5vw, 26px);
  }
  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    padding: 12px 25px;
    font-size: 15px;
  }
  .page-blog__btn-secondary {
    margin-left: 10px;
  }
  .page-blog__hero-section, .page-blog__introduction-section, .page-blog__advantages-section, .page-blog__promotions-section, .page-blog__guide-section, .page-blog__tips-section, .page-blog__blog-posts, .page-blog__faq-section, .page-blog__cta-final {
    padding: 40px 0;
  }
}

@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-blog__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
  }
  .page-blog__container {
    padding: 0 15px;
  }
  .page-blog__main-title {
    font-size: clamp(26px, 6vw, 40px);
    margin-bottom: 15px;
  }
  .page-blog__hero-description {
    font-size: 15px;
    margin-bottom: 25px;
  }
  .page-blog__section-title {
    font-size: clamp(24px, 5vw, 32px);
    margin-bottom: 30px;
  }
  .page-blog__sub-title {
    font-size: clamp(18px, 4vw, 24px);
  }
  .page-blog__paragraph {
    font-size: 16px;
  }
  .page-blog__btn-primary,
  .page-blog__btn-secondary,
  .page-blog a[class*="button"],
  .page-blog a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    margin-bottom: 15px;
  }
  .page-blog__cta-container,
  .page-blog__cta-final .page-blog__cta-buttons {
    flex-direction: column !important;
    gap: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  .page-blog__grid-container,
  .page-blog__promotion-grid,
  .page-blog__steps-grid,
  .page-blog__post-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-blog__card-title {
    font-size: 20px;
  }
  .page-blog__post-title {
    font-size: 18px;
  }
  .page-blog__faq-item summary {
    font-size: 16px;
  }
  .page-blog__faq-answer {
    font-size: 15px;
  }
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-blog__section,
  .page-blog__card,
  .page-blog__container,
  .page-blog__hero-image-wrapper,
  .page-blog__grid-container,
  .page-blog__promotion-grid,
  .page-blog__steps-grid,
  .page-blog__post-grid,
  .page-blog__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  .page-blog__video-section {
    padding-top: 10px !important;
  }
  .page-blog video,
  .page-blog__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-blog__video-section,
  .page-blog__video-container,
  .page-blog__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
}

/* Ensure all images in content areas are at least 200px */
.page-blog img:not([width="32"]):not([width="40"]):not([width="48"]):not([width="60"]):not([width="64"]):not([width="80"]):not([width="100"]) {
  min-width: 200px;
  min-height: 200px;
}

/* No filter on images */
.page-blog img {
  filter: none;
}

/* Desktop specific width for video container if present, for responsiveness */
.page-blog__video-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}