:root {
  --primary-color: #FF8C1A;
  --secondary-color: #FFA53A;
  --card-bg-color: #17191F;
  --background-color: #0D0E12;
  --text-main-color: #FFF3E6;
  --border-color: #A84F0C;
  --glow-color: #FFB04D;
  --deep-orange-color: #D96800;
}

/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-index {
  background-color: var(--background-color, #0D0E12);
  color: var(--text-main-color, #FFF3E6);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

/* Video Section */
.page-index__video-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* 小额顶距，避免与 body 的 --header-offset 双倍留白 */
}

.page-index__video-container {
  position: relative;
  width: 100%; /* 🚨 桌面端必须包含 width: 100% */
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.page-index__video-link {
  display: block;
  text-decoration: none;
  position: relative;
  width: 100%;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-index__video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 宽高比 */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.page-index__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 12px;
  object-fit: cover;
  pointer-events: none; /* 防止视频控件阻止点击事件 */
}

.page-index__video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.page-index__video-link:hover .page-index__video-overlay {
  opacity: 1;
}

.page-index__video-click-hint {
  color: #ffffff;
  font-size: 20px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
  padding: 12px 25px;
  background: rgba(var(--primary-color-rgb, 255, 140, 26), 0.8);
  border-radius: 8px;
  white-space: nowrap;
}

.page-index__video-cta {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
}

.page-index__play-now-button {
  display: inline-block;
  padding: 18px 50px;
  background: linear-gradient(180deg, var(--secondary-color, #FFA53A) 0%, var(--deep-orange-color, #D96800) 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 10px;
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.page-index__play-now-button:hover {
  background: linear-gradient(180deg, var(--deep-orange-color, #D96800) 0%, var(--secondary-color, #FFA53A) 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-index__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* H1 Title + CTA Section */
.page-index__title-section {
  padding: 80px 20px;
  text-align: center;
  background-color: var(--background-color, #0D0E12);
}

.page-index__title-container {
  max-width: 900px;
  margin: 0 auto;
}

.page-index__main-title {
  font-size: clamp(32px, 5vw, 48px); /* Responsive font size */
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main-color, #FFF3E6);
  margin-bottom: 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-index__title-description {
  font-size: 18px;
  color: rgba(var(--text-main-color-rgb, 255, 243, 230), 0.8);
  max-width: 700px;
  margin: 0 auto 40px;
}

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

.page-index__cta-button {
  display: inline-block;
  padding: 16px 45px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  letter-spacing: 0.5px;
}

.page-index__cta-button--primary {
  background: linear-gradient(180deg, var(--secondary-color, #FFA53A) 0%, var(--deep-orange-color, #D96800) 100%);
  color: #ffffff;
}

.page-index__cta-button--primary:hover {
  background: linear-gradient(180deg, var(--deep-orange-color, #D96800) 0%, var(--secondary-color, #FFA53A) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-index__cta-button--secondary {
  background: var(--card-bg-color, #17191F);
  color: var(--primary-color, #FF8C1A);
  border: 2px solid var(--primary-color, #FF8C1A);
}

.page-index__cta-button--secondary:hover {
  background: rgba(var(--primary-color-rgb, 255, 140, 26), 0.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.page-index__faq-section {
  padding: 80px 20px;
  background: var(--primary-color, #FF8C1A); /* Primary color background */
  color: #333333; /* Dark text for contrast on bright orange background */
}

.page-index__faq-container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-index__faq-main-title {
  text-align: center;
  font-size: 38px;
  font-weight: bold;
  margin-bottom: 50px;
  color: #000000; /* Black for main title for better contrast on orange */
  line-height: 1.2;
}

details.page-index__faq-item {
  margin-bottom: 18px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--card-bg-color, #17191F); /* Darker card background */
  color: var(--text-main-color, #FFF3E6); /* Light text */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.25);
}

details.page-index__faq-item summary.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  border-bottom: 1px solid var(--border-color, #A84F0C); /* Orange border for separation */
}

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

details.page-index__faq-item summary.page-index__faq-question:hover {
  background: rgba(255, 255, 255, 0.15); /* Lighter hover for dark background */
}

.page-index__faq-qtext {
  flex: 1;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main-color, #FFF3E6);
}

.page-index__faq-toggle {
  font-size: 30px;
  font-weight: bold;
  color: var(--glow-color, #FFB04D); /* Glow color for toggle */
  flex-shrink: 0;
  margin-left: 25px;
  width: 35px;
  text-align: center;
}

details.page-index__faq-item .page-index__faq-answer {
  padding: 0 30px 30px;
  background: var(--card-bg-color, #17191F); /* Same dark background for answer */
  border-radius: 0 0 10px 10px;
  color: rgba(var(--text-main-color-rgb, 255, 243, 230), 0.9);
}

.page-index__faq-answer p {
  margin-top: 18px;
  line-height: 1.7;
  font-size: 17px;
}

/* Brand Introduction Section */
.page-index__brand-section {
  padding: 80px 20px;
  background-color: var(--background-color, #0D0E12);
  color: var(--text-main-color, #FFF3E6);
}

.page-index__brand-container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-index__brand-title {
  text-align: center;
  font-size: 38px;
  font-weight: bold;
  margin-bottom: 50px;
  color: var(--glow-color, #FFB04D);
  line-height: 1.2;
}

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

.page-index__brand-item {
  background-color: var(--card-bg-color, #17191F);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color, #A84F0C);
}

.page-index__brand-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index__brand-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 25px;
  border: 1px solid rgba(var(--glow-color-rgb, 255, 176, 77), 0.3);
}

.page-index__brand-item-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--secondary-color, #FFA53A);
  margin-bottom: 15px;
}

.page-index__brand-item p {
  font-size: 16px;
  color: rgba(var(--text-main-color-rgb, 255, 243, 230), 0.85);
  line-height: 1.7;
}

/* Blog List Section */
.page-index__blog-section {
  padding: 80px 20px;
  background-color: var(--background-color, #0D0E12);
  color: var(--text-main-color, #FFF3E6);
}

.page-index__blog-container {
  max-width: 1200px;
  margin: 0 auto;
}

.page-index__blog-title {
  text-align: center;
  font-size: 38px;
  font-weight: bold;
  margin-bottom: 50px;
  color: var(--glow-color, #FFB04D);
  line-height: 1.2;
}

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

.page-index__blog-item {
  background-color: var(--card-bg-color, #17191F);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color, #A84F0C);
}

.page-index__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index__blog-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.page-index__blog-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-index__blog-content {
  padding: 25px;
}

.page-index__blog-item-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--secondary-color, #FFA53A);
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-index__blog-item-excerpt {
  font-size: 15px;
  color: rgba(var(--text-main-color-rgb, 255, 243, 230), 0.75);
  margin-bottom: 15px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-index__blog-item-date {
  font-size: 14px;
  color: var(--glow-color, #FFB04D);
  display: block;
}

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

.page-index__view-all-button {
  display: inline-block;
  padding: 15px 40px;
  background: linear-gradient(180deg, var(--secondary-color, #FFA53A) 0%, var(--deep-orange-color, #D96800) 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
}

.page-index__view-all-button:hover {
  background: linear-gradient(180deg, var(--deep-orange-color, #D96800) 0%, var(--secondary-color, #FFA53A) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-index__video-section,
  .page-index__title-section,
  .page-index__faq-section,
  .page-index__brand-section,
  .page-index__blog-section {
    padding: 60px 20px;
  }

  .page-index__main-title,
  .page-index__faq-main-title,
  .page-index__brand-title,
  .page-index__blog-title {
    font-size: 32px;
    margin-bottom: 40px;
  }

  .page-index__title-description {
    font-size: 17px;
  }

  .page-index__cta-button {
    padding: 14px 35px;
    font-size: 17px;
  }

  .page-index__faq-qtext {
    font-size: 17px;
  }

  .page-index__faq-toggle {
    font-size: 28px;
  }

  .page-index__faq-answer p {
    font-size: 16px;
  }

  .page-index__brand-item-title {
    font-size: 22px;
  }

  .page-index__brand-item p {
    font-size: 15px;
  }

  .page-index__blog-item-title {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .page-index__video-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-index__video-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    overflow: hidden !important;
  }

  .page-index__video-link {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    border-radius: 8px;
    overflow: hidden !important;
  }

  .page-index__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 8px;
    object-fit: contain;
  }

  .page-index__video-cta {
    margin-top: 30px;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .page-index__play-now-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 15px 30px !important;
    font-size: 18px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-index__video-click-hint {
    font-size: 16px !important;
    padding: 10px 20px !important;
  }

  .page-index__title-section,
  .page-index__faq-section,
  .page-index__brand-section,
  .page-index__blog-section {
    padding: 40px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-index__main-title,
  .page-index__faq-main-title,
  .page-index__brand-title,
  .page-index__blog-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .page-index__title-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .page-index__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
  }

  .page-index__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 14px 25px !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px 20px;
  }

  .page-index__faq-qtext {
    font-size: 16px;
  }

  .page-index__faq-toggle {
    font-size: 24px;
    margin-left: 15px;
    width: 28px;
  }

  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 20px 20px;
  }

  .page-index__faq-answer p {
    font-size: 15px;
  }

  .page-index__brand-grid {
    grid-template-columns: 1fr;
  }

  .page-index__brand-item {
    padding: 25px;
  }

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

  .page-index__brand-item-title {
    font-size: 20px;
  }

  .page-index__blog-list {
    grid-template-columns: 1fr;
  }

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

  .page-index__blog-content {
    padding: 20px;
  }

  .page-index__blog-item-title {
    font-size: 18px;
  }

  .page-index__blog-item-excerpt {
    font-size: 14px;
  }

  .page-index__view-all-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 14px 25px !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
}