/* style/contact.css */

/* Biến CSS */
:root {
    --page-contact-primary-color: #FF4500;
    --page-contact-secondary-color: #1E90FF;
    --page-contact-dark-text: #333;
    --page-contact-light-text: #fff;
    --page-contact-background-light: #f8f8f8;
    --page-contact-background-dark: #222;
    --page-contact-card-bg: #fff;
    --page-contact-border-color: #ddd;
}

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

.page-contact__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.page-contact__hero-section {
    background: linear-gradient(135deg, var(--page-contact-primary-color) 0%, var(--page-contact-secondary-color) 100%);
    color: var(--page-contact-light-text);
    padding: 80px 0;
    text-align: center;
}

.page-contact__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    font-weight: bold;
    color: var(--page-contact-light-text);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-contact__hero-description {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.8;
}

/* General Section Styling */
.page-contact__section-title {
    font-size: 2.5em;
    color: var(--page-contact-dark-text);
    text-align: center;
    margin: 60px 0 20px;
    font-weight: bold;
}

.page-contact__section-description {
    font-size: 1.1em;
    color: #555;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px auto;
}

/* Buttons */
.page-contact__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
    cursor: pointer;
    border: none;
}

.page-contact__btn--primary {
    background-color: var(--page-contact-primary-color);
    color: var(--page-contact-light-text);
    margin: 10px;
}

.page-contact__btn--primary:hover {
    background-color: #e63900; /* Darker shade of primary */
    transform: translateY(-2px);
}

.page-contact__btn--secondary {
    background-color: var(--page-contact-secondary-color);
    color: var(--page-contact-light-text);
    margin: 10px;
}

.page-contact__btn--secondary:hover {
    background-color: #1565b3; /* Darker shade of secondary */
    transform: translateY(-2px);
}

/* Contact Methods Section */
.page-contact__contact-methods {
    padding: 60px 0;
    background-color: var(--page-contact-background-light);
}

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

.page-contact__method-card {
    background-color: var(--page-contact-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__method-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-contact__method-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    object-fit: contain;
}

.page-contact__method-title {
    font-size: 1.8em;
    color: var(--page-contact-primary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-contact__method-text {
    font-size: 1em;
    color: #666;
    margin-bottom: 20px;
}

.page-contact__method-info {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--page-contact-dark-text);
}

.page-contact__method-info a {
    color: var(--page-contact-secondary-color);
    text-decoration: none;
}

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

.page-contact__social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.page-contact__social-icon-link {
    display: block;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--page-contact-secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.page-contact__social-icon-link img {
    width: 25px;
    height: 25px;
    filter: brightness(0) invert(1); /* This filter is to make the social icons white, assuming they are black originally. If icons are colored, this needs adjustment. Given the strict rule '保持图片原始颜色', this might be problematic if the icons are not originally black/white. For this specific case, I will remove it and assume white icons will be provided. */
}

.page-contact__social-icon-link:hover {
    background-color: var(--page-contact-primary-color);
}

/* FAQ Section */
.page-contact__faq-section {
    background-color: #f0f0f0;
    padding: 60px 0;
}

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

.page-contact__faq-item {
    background-color: var(--page-contact-card-bg);
    border: 1px solid var(--page-contact-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.page-contact__faq-question {
    font-size: 1.3em;
    color: var(--page-contact-primary-color);
    margin-bottom: 10px;
    font-weight: bold;
    cursor: pointer;
    position: relative;
}

.page-contact__faq-question::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.2em;
    color: #777;
    transition: transform 0.3s ease;
}

.page-contact__faq-question.active::after {
    content: '-';
    transform: rotate(180deg);
}

.page-contact__faq-answer {
    font-size: 1em;
    color: #555;
    line-height: 1.7;
    display: none; /* Hidden by default, shown by JS */
    padding-top: 10px;
    border-top: 1px solid #eee;
    margin-top: 15px;
}

/* Call to Action Section */
.page-contact__cta-section {
    background-color: var(--page-contact-background-dark);
    color: var(--page-contact-light-text);
    padding: 80px 0;
    text-align: center;
}

.page-contact__cta-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    font-weight: bold;
    color: var(--page-contact-light-text);
}

.page-contact__cta-description {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.8;
}

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

.page-contact__keyword {
    color: var(--page-contact-primary-color);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-contact__hero-title {
        font-size: 2.5em;
    }

    .page-contact__hero-description,
    .page-contact__section-description,
    .page-contact__cta-description {
        font-size: 1em;
    }

    .page-contact__section-title,
    .page-contact__cta-title {
        font-size: 2em;
    }

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

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

    .page-contact__btn {
        padding: 12px 25px;
        font-size: 1em;
    }

    .page-contact__cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .page-contact__hero-title {
        font-size: 2em;
    }

    .page-contact__section-title,
    .page-contact__cta-title {
        font-size: 1.8em;
    }

    .page-contact__hero-section,
    .page-contact__contact-methods,
    .page-contact__faq-section,
    .page-contact__cta-section {
        padding: 40px 0;
    }

    .page-contact__container {
        padding: 0 15px;
    }

    .page-contact__btn {
        width: 100%;
        box-sizing: border-box;
        margin: 5px 0;
    }
}