:root {
    --main-color: #113B7A;
    --accent-color: #1D5FD1;
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --card-bg: #10233F;
    --text-main: #F3F8FF;
    --text-secondary: #AFC4E8;
    --border-color: #244D84;
    --glow: #4FA8FF;
    --gold: #F2C14E;
    --divider: #1B3357;
    --deep-navy: #08162B;
}

/* Base styles for the page content */
.page-contact {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* Default light text for dark body background */
    background-color: transparent; /* Body background is handled by shared.css */
}

.page-contact__content-area {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-contact__hero-section {
    padding-top: 10px; /* Specific instruction for 10px top padding */
    padding-bottom: 60px;
    background: linear-gradient(180deg, var(--deep-navy) 0%, var(--main-color) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-contact__hero-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    margin-bottom: 30px;
}

.page-contact__hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-contact__hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 20px;
    line-height: 1.2;
    max-width: 100%;
}

.page-contact__hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-contact__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-contact__btn-primary,
.page-contact__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.page-contact__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main);
    border: none;
}

.page-contact__btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

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

.page-contact__btn-secondary:hover {
    background-color: var(--glow);
    color: var(--deep-navy);
    transform: translateY(-2px);
}

/* Section Titles and Descriptions */
.page-contact__section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 20px;
}

.page-contact__section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Dark background sections */
.page-contact__dark-section {
    background-color: var(--deep-navy);
    color: var(--text-main);
}

/* Light background sections */
.page-contact__light-bg {
    background-color: #ffffff;
    color: #333333;
}

.page-contact__light-bg .page-contact__section-title {
    color: var(--main-color);
}

.page-contact__light-bg .page-contact__section-description {
    color: #555555;
}

/* Channel Grid Section */
.page-contact__channels-section {
    padding-top: 80px;
    padding-bottom: 80px;
    background-color: var(--deep-navy);
}

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

.page-contact__channel-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-main);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__channel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-contact__channel-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    border-radius: 8px;
}

.page-contact__channel-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 15px;
}

.page-contact__channel-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-contact__social-links {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 15px;
}

.page-contact__social-btn {
    padding: 10px 20px;
    font-size: 0.95rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

/* FAQ Section */
.page-contact__faq-section {
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-contact__faq-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.page-contact__faq-item {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 25px 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    color: var(--text-main);
    overflow: hidden;
}

.page-contact__faq-item[open] {
    background-color: var(--card-bg);
}

.page-contact__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    list-style: none;
    padding-right: 20px;
}

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

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

.page-contact__faq-toggle {
    font-size: 1.8rem;
    font-weight: 300;
    line-height: 1;
    color: var(--glow);
    margin-left: 15px;
    transition: transform 0.3s ease;
}

.page-contact__faq-answer {
    font-size: 1rem;
    color: var(--text-secondary);
    padding-top: 15px;
    line-height: 1.7;
    border-top: 1px solid var(--divider);
    margin-top: 15px;
}

.page-contact__faq-answer p {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.page-contact__faq-answer ul {
    list-style-type: disc;
    margin-left: 20px;
    padding-left: 0;
    color: var(--text-secondary);
}

.page-contact__faq-answer li {
    margin-bottom: 5px;
}

/* Commitment Section */
.page-contact__commitment-section {
    padding-top: 80px;
    padding-bottom: 80px;
    background-color: var(--main-color);
}

.page-contact__commitment-section .page-contact__section-title {
    color: var(--text-main);
}
.page-contact__commitment-section .page-contact__section-description {
    color: var(--text-secondary);
}

.page-contact__commitment-list {
    list-style: none;
    padding: 0;
    margin: 40px auto;
    max-width: 800px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    text-align: left;
}

.page-contact__commitment-list li {
    font-size: 1.1rem;
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-contact__commitment-list li strong {
    color: var(--gold);
}

.page-contact__commitment-list li::before {
    content: '✓';
    font-size: 1.5rem;
    color: var(--glow);
    font-weight: bold;
}

.page-contact__commitment-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 30px;
    margin-bottom: 40px;
}

/* Location Section */
.page-contact__location-section {
    padding-top: 80px;
    padding-bottom: 80px;
    background-color: #f8f8f8;
    color: #333333;
}

.page-contact__location-section .page-contact__section-title {
    color: var(--main-color);
}
.page-contact__location-section .page-contact__section-description {
    color: #555555;
}

.page-contact__location-info {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 40px;
    max-width: 700px;
    margin: 40px auto 0 auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    color: #333333;
}

.page-contact__location-info p {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #333333;
}

.page-contact__location-info p strong {
    color: var(--main-color);
}

/* Global image rules for content area */
.page-contact img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-contact__content-area {
        padding: 40px 25px;
    }
    .page-contact__hero-title {
        font-size: clamp(2.2rem, 4.5vw, 3rem);
    }
    .page-contact__section-title {
        font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    }
    .page-contact__channel-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-contact__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px !important;
    }
    .page-contact__hero-image {
        margin-bottom: 20px !important;
    }
    .page-contact__hero-content {
        padding: 0 15px !important;
    }
    .page-contact__hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem) !important;
        margin-bottom: 15px !important;
    }
    .page-contact__hero-description {
        font-size: 1rem !important;
        margin-bottom: 25px !important;
    }

    /* 通用图片与容器 */
    .page-contact img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-contact__section,
    .page-contact__card,
    .page-contact__container,
    .page-contact__content-area,
    .page-contact__channel-card,
    .page-contact__faq-item,
    .page-contact__location-info {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    /* 按钮与按钮容器 */
    .page-contact__cta-buttons {
        flex-direction: column !important;
        gap: 10px !important;
        padding: 0 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }
    .page-contact__btn-primary,
    .page-contact__btn-secondary,
    .page-contact__social-btn,
    .page-contact a[class*="button"],
    .page-contact 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-left: 15px !important;
        padding-right: 15px !important;
        text-align: center; /* Center button text */
    }

    /* Other content modules (e.g., FAQ, Commitment) */
    .page-contact__channels-section,
    .page-contact__faq-section,
    .page-contact__commitment-section,
    .page-contact__location-section {
        padding-top: 40px !important;
        padding-bottom: 40px !important;
    }
    .page-contact__section-title {
        font-size: clamp(1.5rem, 7vw, 2.2rem) !important;
        margin-bottom: 15px !important;
    }
    .page-contact__section-description {
        font-size: 0.95rem !important;
        margin-bottom: 30px !important;
    }
    .page-contact__channel-grid {
        grid-template-columns: 1fr !important;
    }
    .page-contact__channel-card {
        padding: 20px !important;
    }
    .page-contact__faq-item {
        padding: 20px !important;
    }
    .page-contact__faq-question {
        font-size: 1.1rem !important;
    }
    .page-contact__faq-answer {
        font-size: 0.95rem !important;
    }
    .page-contact__commitment-list {
        grid-template-columns: 1fr !important;
        margin-top: 20px !important;
    }
    .page-contact__commitment-list li {
        padding: 15px !important;
        font-size: 1rem !important;
    }
    .page-contact__location-info {
        padding: 25px !important;
    }
    .page-contact__location-info p {
        font-size: 1rem !important;
    }
}