/* style/about.css */
:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --register-button-color: #C30808;
    --login-button-color: #C30808;
    --button-text-color: #FFFF00;
    --text-color-dark: #333333;
    --text-color-light: #f0f0f0;
    --border-color: #e0e0e0;
    --bg-light-gray: #f9f9f9;
}

.page-about {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color-dark);
    background: var(--secondary-color);
}

.page-about__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: var(--header-offset, 120px);
    background-color: var(--primary-color);
    color: var(--text-color-light);
    overflow: hidden;
}

.page-about__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

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

.page-about__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    padding: 20px;
}

.page-about__hero-title {
    font-size: 2.8em;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--text-color-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-about__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: var(--text-color-light);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--register-button-color);
    color: var(--button-text-color);
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    margin-top: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-about__cta-button:hover {
    background: darken(var(--register-button-color), 10%); /* This won't work in plain CSS, but shows intent */
    background: #a30606; /* A slightly darker red */
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-about__section {
    padding: 80px 20px;
    text-align: center;
}

.page-about__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.page-about__section-title {
    font-size: 2.5em;
    margin-bottom: 30px;
    font-weight: bold;
    color: var(--primary-color);
}

.page-about__dark-section .page-about__section-title {
    color: var(--secondary-color);
}

.page-about__text-block {
    font-size: 1.1em;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-color-dark);
}

.page-about__dark-section .page-about__text-block {
    color: var(--text-color-light);
}

.page-about__introduction {
    background-color: var(--secondary-color);
    color: var(--text-color-dark);
}

.page-about__mission-vision {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-about__mission-card,
.page-about__vision-card {
    background: var(--bg-light-gray);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 300px;
    max-width: 48%;
    text-align: left;
    color: var(--text-color-dark);
}

.page-about__card-title {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.page-about__dark-section {
    background-color: var(--primary-color);
    color: var(--text-color-light);
}

.page-about__why-choose .page-about__section-title {
    color: var(--secondary-color);
}

.page-about__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    color: var(--text-color-light);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-about__feature-card .page-about__card-title {
    color: var(--secondary-color);
}

.page-about__feature-icon {
    width: 200px;
    height: auto;
    max-width: 100%;
    border-radius: 8px;
    margin-bottom: 20px;
    object-fit: cover;
}

.page-about__services {
    background-color: var(--secondary-color);
    color: var(--text-color-dark);
}

.page-about__service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__service-card {
    background: var(--bg-light-gray);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
    color: var(--text-color-dark);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.page-about__service-card:hover {
    transform: translateY(-5px);
}

.page-about__service-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.page-about__service-card .page-about__card-title {
    font-size: 1.3em;
    margin-bottom: 10px;
}

.page-about__service-card .page-about__card-title a {
    color: var(--primary-color);
    text-decoration: none;
}

.page-about__service-card .page-about__card-title a:hover {
    text-decoration: underline;
}

.page-about__cta-group {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-about__btn-primary {
    background: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
}

.page-about__btn-primary:hover {
    background: darken(var(--primary-color), 10%); /* Placeholder for darker green */
    background: #005f2e;
    border-color: darken(var(--primary-color), 10%);
}

.page-about__btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-about__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.page-about__security-commitment {
    background-color: var(--primary-color);
    color: var(--text-color-light);
}

.page-about__commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__commitment-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    color: var(--text-color-light);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-about__commitment-item .page-about__card-title {
    color: var(--secondary-color);
}

.page-about__commitment-icon {
    width: 200px;
    height: auto;
    max-width: 100%;
    border-radius: 8px;
    margin-bottom: 20px;
    object-fit: cover;
}

.page-about__commitment-item a {
    color: var(--button-text-color);
    text-decoration: underline;
}

.page-about__commitment-item a:hover {
    color: var(--secondary-color);
}

.page-about__team {
    background-color: var(--secondary-color);
    color: var(--text-color-dark);
}

.page-about__team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__team-member {
    background: var(--bg-light-gray);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    color: var(--text-color-dark);
}

.page-about__team-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 4px solid var(--primary-color);
}

.page-about__member-name {
    font-size: 1.4em;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.page-about__member-role {
    font-style: italic;
    color: #666;
    margin-bottom: 15px;
}

.page-about__contact-faq {
    background-color: var(--primary-color);
    color: var(--text-color-light);
}

.page-about__contact-info {
    margin-top: 30px;
    font-size: 1.1em;
    line-height: 1.8;
}

.page-about__contact-info a {
    color: var(--button-text-color);
    text-decoration: none;
}

.page-about__contact-info a:hover {
    text-decoration: underline;
}

.page-about__faq-heading {
    font-size: 2em;
    margin-top: 60px;
    margin-bottom: 30px;
    font-weight: bold;
    color: var(--secondary-color);
}

/* FAQ容器样式 */
.page-about__faq-list {
    margin-top: 30px;
    text-align: left;
}

.page-about__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    overflow: hidden;
}

/* FAQ default state - answer hidden */
.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;
    padding: 0 15px;
    opacity: 0;
}

/* FAQ expanded state - 🚨 Use !important and a sufficiently large max-height */
.page-about__faq-item.active .page-about__faq-answer {
    max-height: 2000px !important; /* 🚨 Use !important for priority, value large enough for any content */
    padding: 20px 15px !important;
    opacity: 1;
    background: var(--bg-light-gray);
    border-radius: 0 0 5px 5px;
    color: var(--text-color-dark);
}

/* Question style */
.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    position: relative;
    color: var(--text-color-dark);
}

.page-about__faq-question:hover {
    background: var(--bg-light-gray);
    border-color: #d0d0d0;
}

.page-about__faq-question:active {
    background: #eeeeee;
}

/* Question title style */
.page-about__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    pointer-events: none; /* Prevent h3 from blocking click event */
    color: var(--primary-color);
}

/* Toggle icon */
.page-about__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    color: #666;
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
    pointer-events: none; /* Prevent icon from blocking click event */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.page-about__faq-item.active .page-about__faq-toggle {
    color: var(--primary-color);
    transform: rotate(45deg);
}

.page-about__faq-answer p {
    font-size: 1em;
    line-height: 1.6;
    margin-top: 0;
}

.page-about__faq-answer a {
    color: var(--primary-color);
    text-decoration: underline;
}

.page-about__faq-answer a:hover {
    color: darken(var(--primary-color), 10%);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-about__hero-title {
        font-size: 2.2em;
    }
    .page-about__section-title {
        font-size: 2em;
    }
    .page-about__mission-card, .page-about__vision-card {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .page-about {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-about__hero-section {
        padding-top: var(--header-offset, 120px) !important;
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-about__hero-title {
        font-size: 1.8em;
        line-height: 1.3;
    }
    .page-about__hero-description {
        font-size: 1em;
    }
    .page-about__cta-button {
        padding: 12px 30px;
        font-size: 16px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
    .page-about__section {
        padding: 40px 0;
    }
    .page-about__container {
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-about__section-title {
        font-size: 1.8em;
        margin-bottom: 20px;
    }
    .page-about__text-block {
        font-size: 1em;
        margin-bottom: 30px;
    }
    .page-about__mission-card, .page-about__vision-card {
        padding: 20px;
    }
    .page-about__features-grid, .page-about__service-grid, .page-about__commitment-grid, .page-about__team-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-about__feature-card, .page-about__service-card, .page-about__commitment-item, .page-about__team-member {
        padding: 20px;
    }
    .page-about__feature-icon, .page-about__commitment-icon, .page-about__team-photo {
        width: 150px;
        height: auto;
        max-width: 100%;
    }
    .page-about__service-image {
        height: 180px;
    }
    .page-about__cta-group {
        flex-direction: column;
        gap: 15px;
    }
    .page-about__btn-primary, .page-about__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;
    }
    .page-about__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    .page-about__faq-question h3 {
        font-size: 15px;
        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;
    }
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-about__section,
    .page-about__card,
    .page-about__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
}