/* ============================
   LOGO CENTER (บนสุด)
============================ */
.logo-wrapper {
    width: 100%;
    text-align: center;
    padding: 15px 0;
    background: #1b4656;
}

.header-logo {
    max-width: 970px;
    max-height: 200px;
    display: inline-block;
}

/* ============================
   NAV717 – เมนูบาร์ด้านล่าง
============================ */
.nav717 {
    background: #1b4656;
    font-family: Tahoma, sans-serif;
    box-shadow: 0 2px 6px rgba(0,0,0,0.25);
    position: relative;
    z-index: 9999;
}

.nav717 ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.nav717 > ul > li {
    position: relative;
}

.nav717 a {
    display: block;
    padding: 14px 22px;
    color: #e9f7fa;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: 0.25s ease;
}

/* Hover + Active */
.nav717 > ul > li:hover > a,
.nav717 ul li.active > a {
    background: #2d97af;
    color: #fff;
}

/* ============================
   Dropdown (Desktop)
============================ */
.nav717 .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #1b4656;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.nav717 li:hover > .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav717 .dropdown li a {
    padding: 12px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-weight: 500;
    color: #d8eef2;
}

.nav717 .dropdown li:last-child a {
    border-bottom: none;
}

.nav717 .dropdown li:hover > a {
    background: #2d97af;
    color: #fff;
}

/* Submenu ลงล่าง */
.nav717 .has-sub .dropdown {
    left: 0;
    top: 100%;
}

/* ลูกศร ▼ */
.nav717 .has-sub > a::after {
    content: "▼";
    font-size: 10px;
    margin-left: 6px;
    opacity: 0.7;
    transition: 0.25s ease;
}

.nav717 .has-sub:hover > a::after {
    opacity: 1;
}

/* ============================
   Responsive (Mobile)
============================ */
@media (max-width: 768px) {

    /* ซ่อนเมนูหลักก่อน */
    .nav717 ul {
        display: none;
        flex-direction: column;
        justify-content: flex-start;
    }

    /* เมื่อกดปุ่มเมนู → เปิดเมนูหลัก */
    .nav717 ul.show {
        display: block;
    }

    /* ปิด dropdown desktop */
    .nav717 .dropdown {
        display: none;
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 0;
    }

    /* เปิด dropdown เมื่อ JS ใส่ .show */
    .nav717 .dropdown.show {
        display: block;
    }

    /* ปิด hover desktop ในมือถือ */
    .nav717 li:hover > .dropdown {
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
    }

    /* ลูกศรหมุนขวา */
    .nav717 .has-sub > a::after {
        float: right;
        transform: rotate(90deg);
        transition: 0.25s ease;
    }

    /* เมื่อเปิดเมนูย่อย → ลูกศรหมุนลง */
    .nav717 .has-sub.open > a::after {
        transform: rotate(180deg);
    }
}