/* Font và reset nhẹ */
.qa-hero, .qa-main-content {
    font-family: 'Be Vietnam Pro', sans-serif;
}

/* --- 1. Hero Section --- */
.qa-hero {
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?q=80&w=2000');
    background-size: cover;
    background-position: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 60px;
}

.qa-hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5); /* Làm tối nền để nổi bật chữ */
    z-index: 1;
}

.qa-hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 750px;
    padding: 0 20px;
}

.qa-page-title {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 35px;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* --- 2. Thanh tìm kiếm màu Cam --- */
.qa-search-bar {
    background: #fff;
    border-radius: 60px;
    padding: 6px 8px;
    display: flex;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.qa-search-bar form {
    display: flex;
    width: 100%;
}

.qa-search-bar input {
    flex: 1;
    border: none;
    outline: none;
    padding: 0 25px;
    font-size: 16px;
    background: transparent;
}

/* Nút tìm kiếm đồng bộ màu Liên Hệ */
.qa-search-bar button {
    background: #f38120; /* Màu cam giống nút Liên hệ */
    color: #fff;
    border: none;
    padding: 14px 30px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(243, 129, 32, 0.3);
}

.qa-search-bar button:hover {
    background: #e67616; /* Cam đậm hơn chút khi hover */
    transform: scale(1.03);
    box-shadow: 0 6px 15px rgba(243, 129, 32, 0.4);
}

/* --- 3. Danh sách câu hỏi --- */
.qa-main-content {
    background: #f9f9f9;
    padding: 60px 0;
}

.qa-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.qa-item {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.qa-question {
    padding: 20px 25px;
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    color: #333;
}

.icon-toggle {
    margin-right: 15px;
    color: #f38120; /* Màu cam icon */
    transition: 0.3s;
}

.qa-answer {
    padding: 0 25px 25px 60px;
    color: #555;
    line-height: 1.7;
    display: none;
}

/* Khi mở câu hỏi */
.qa-item.active {
    border-color: #f38120;
}

.qa-item.active .qa-answer {
    display: block;
}

.qa-item.active .icon-toggle {
    transform: rotate(45deg); /* Dấu + thành x */
}

.no-posts {
    text-align: center;
    color: #888;
    padding: 40px;
}