/* ===== 联系反馈区 ===== */
.contact-section {
    max-width: 1100px;
    margin: 5rem auto 3rem;
    padding: 0 2rem;
}

.contact-header {
    text-align: left;
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid #e8e8e8;
}
.contact-header h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 0.5rem;
    padding: 0;
    border: none;
    background: none;
}
.contact-subtitle {
    color: #6a6a6a;
    font-size: 0.95rem;
    margin: 0;
}

.contact-grid {
    display: flex;
    gap: 1.5rem;
    align-items: start;
    justify-content: center;
}

.contact-card {
    background: #ffffff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact-card:hover {
    border-color: #c9a96e;
    box-shadow: 0 4px 16px rgba(201, 169, 110, 0.08);
}

.contact-card-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.contact-card-primary {
    padding: 2.5rem 2rem;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    flex: 1;
}
.contact-card-primary .contact-card-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}
.contact-card-primary .contact-card-title {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}
.contact-card-primary .contact-card-desc {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 0.75rem;
}
.contact-card-primary .contact-card-arrow {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background: #c9a96e;
    color: #fff;
    border-radius: 6px;
    font-weight: 500;
    transition: background 0.2s ease;
    display: inline-block;
    align-self: flex-start;
}
.contact-card-primary:hover .contact-card-arrow {
    background: #b8945a;
}

.contact-card-qr {
    flex-shrink: 0;
}

.contact-qr-frame {
    width: 160px;
    height: 160px;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 10px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.contact-qr-frame img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.contact-card-icon {
    width: 40px;
    height: 40px;
    color: #c9a96e;
    flex-shrink: 0;
}
.contact-card-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.contact-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 0.5rem;
    padding: 0;
    border: none;
    background: none;
}

.contact-card-desc {
    color: #6a6a6a;
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0 0 1rem;
}

@media (max-width: 768px) {
    .contact-section {
        padding: 0 1rem;
    }
    .contact-grid {
        flex-direction: column;
        align-items: stretch;
    }
    .contact-card {
        padding: 1.5rem 1.25rem;
    }
    .contact-card-primary {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
    }
    .contact-qr-frame {
        width: 140px;
        height: 140px;
    }
}