.page-about {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #f0f0f0; /* Light text for dark body background */
    background-color: #121212; /* Matches body background */
}

.page-about__section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.page-about__dark-bg {
    background-color: #1a1a1a; /* Slightly lighter dark background for contrast */
    color: #f0f0f0;
}

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

.page-about__section-title {
    font-size: 38px;
    color: #FFD700; /* Gold for titles */
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
}

.page-about__text-block {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
    color: #e0e0e0;
}

.page-about__text-block a {
    color: #FFD700;
    text-decoration: none;
    font-weight: bold;
}

.page-about__text-block a:hover {
    text-decoration: underline;
}

/* Buttons */
.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Break long words */
    box-sizing: border-box;
    max-width: 100%;
}

.page-about__btn-primary {
    background-color: #FFD700; /* Gold background */
    color: #121212; /* Dark text for gold background */
    border: 2px solid #FFD700;
}

.page-about__btn-primary:hover {
    background-color: #e6c200;
    border-color: #e6c200;
    color: #121212;
}

.page-about__btn-secondary {
    background-color: transparent;
    color: #FFD700; /* Gold text */
    border: 2px solid #FFD700;
}

.page-about__btn-secondary:hover {
    background-color: #FFD700;
    color: #121212;
}

/* Hero Section */
.page-about__hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 0; /* shared.css handles body padding-top */
    padding-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
}

.page-about__hero-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-about__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    filter: brightness(0.5); /* Darken image for text contrast */
}

.page-about__hero-content {
    text-align: center;
    color: #ffffff;
    max-width: 900px;
    padding: 20px;
    position: relative;
    z-index: 2;
}

.page-about__hero-title {
    font-size: 52px;
    margin-bottom: 20px;
    font-weight: 800;
    color: #FFD700; /* Gold for main title */
}

.page-about__hero-description {
    font-size: 22px;
    margin-bottom: 40px;
    line-height: 1.5;
    color: #f0f0f0;
}

.page-about__hero-button {
    margin-top: 20px;
}

/* Mission & Vision Section */
.page-about__mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.page-about__card {
    background-color: rgba(255, 255, 255, 0.1); /* Semi-transparent white card background */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: #f0f0f0;
    text-align: center;
    height: 100%;
    box-sizing: border-box;
}

.page-about__card-title {
    font-size: 28px;
    color: #FFD700;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-about__card-text {
    font-size: 17px;
    line-height: 1.7;
    color: #e0e0e0;
}

.page-about__image-full {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    margin-top: 40px;
}

/* Core Values Section */
.page-about__values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__value-item {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
    height: 100%;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-about__value-item:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.1);
}

.page-about__value-title {
    font-size: 24px;
    color: #FFD700;
    margin-bottom: 10px;
    font-weight: 600;
}

.page-about__value-description {
    font-size: 16px;
    color: #cccccc;
}

/* Why Choose Section */
.page-about__reason-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__reason-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    height: 100%;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-about__reason-icon {
    width: 100%;
    height: auto;
    max-width: 300px; /* Ensure icon is not too large */
    margin-bottom: 20px;
    border-radius: 5px;
}

.page-about__reason-title {
    font-size: 26px;
    color: #FFD700;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-about__reason-text {
    font-size: 16px;
    color: #cccccc;
}

/* CTA Section */
.page-about__cta-section {
    background-color: #8B0000; /* Dark red background */
    color: #ffffff;
    text-align: center;
    padding: 80px 0;
}

.page-about__cta-container {
    max-width: 900px;
}

.page-about__cta-title {
    font-size: 42px;
    color: #FFD700;
    margin-bottom: 20px;
    font-weight: 700;
}

.page-about__cta-description {
    font-size: 20px;
    margin-bottom: 40px;
    color: #f0f0f0;
}

.page-about__cta-description a {
    color: #FFD700;
    text-decoration: none;
    font-weight: bold;
}

.page-about__cta-description a:hover {
    text-decoration: underline;
}

.page-about__cta-button {
    background-color: #FFD700;
    color: #121212;
}

.page-about__cta-button:hover {
    background-color: #e6c200;
    color: #121212;
}

/* FAQ Section */
.page-about__faq-section {
    background-color: #1a1a1a; /* Dark background */
    color: #f0f0f0;
}

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

.page-about__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.05);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-about__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.page-about__faq-question:active {
  background: rgba(255, 255, 255, 0.2);
}

.page-about__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: #FFD700;
  pointer-events: none;
}

.page-about__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: #FFD700;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-about__faq-item.active .page-about__faq-toggle {
  color: #ffffff;
  transform: rotate(45deg); /* Change to X or rotate */
}

.page-about__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 20px;
  opacity: 0;
  color: #e0e0e0;
}

.page-about__faq-item.active .page-about__faq-answer {
  max-height: 2000px !important;
  padding: 20px !important;
  opacity: 1;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 0 0 5px 5px;
}

.page-about__faq-answer p {
    margin-bottom: 0;
    font-size: 16px;
}


/* Universal Image Styling */
.page-about img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-about__section-title {
        font-size: 34px;
    }

    .page-about__hero-title {
        font-size: 44px;
    }

    .page-about__hero-description {
        font-size: 20px;
    }

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

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

    .page-about__reason-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .page-about__cta-title {
        font-size: 38px;
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-about__hero-section {
        min-height: 450px;
        padding-top: 0 !important; /* shared.css handles body padding-top */
    }

    .page-about__hero-title {
        font-size: 36px !important;
        line-height: 1.2;
    }

    .page-about__hero-description {
        font-size: 18px !important;
        margin-bottom: 30px;
    }

    .page-about__hero-content {
        padding: 15px;
    }

    /* 通用图片与容器 */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-about__section,
    .page-about__container,
    .page-about__card,
    .page-about__value-item,
    .page-about__reason-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 按钮与按钮容器 */
    .page-about__btn-primary,
    .page-about__btn-secondary,
    .page-about__hero-button,
    .page-about__cta-button,
    .page-about a[class*="button"],
    .page-about 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 15px;
        font-size: 16px;
    }

    .page-about__cta-container {
        padding: 0 15px;
    }

    /* 其他内容模块 */
    .page-about__section {
        padding: 40px 0;
    }

    .page-about__section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .page-about__text-block {
        font-size: 16px;
        line-height: 1.7;
        padding: 0 5px;
    }

    .page-about__card {
        padding: 25px;
    }

    .page-about__card-title {
        font-size: 24px;
    }

    .page-about__mission-vision-grid {
        gap: 20px;
    }

    .page-about__values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-about__value-item {
        padding: 20px;
    }

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

    .page-about__reason-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-about__reason-card {
        padding: 25px;
    }

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

    .page-about__cta-section {
        padding: 50px 0;
    }

    .page-about__cta-title {
        font-size: 32px;
    }

    .page-about__cta-description {
        font-size: 18px;
        margin-bottom: 30px;
    }

    /* FAQ Section */
    .page-about__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }

    .page-about__faq-question h3 {
        font-size: 16px;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }

    .page-about__faq-toggle {
        margin-left: 10px;
        width: 24px;
        height: 24px;
        font-size: 20px;
    }

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

    .page-about__faq-item.active .page-about__faq-answer {
        padding: 15px !important;
    }
}