.navbar.bootsnav {
    background-color: #fff;
    margin: 0 auto;
    padding: 0 !important;
    min-height: unset !important;
    height: auto !important;
    overflow: visible !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-wrap {
    overflow: visible !important;
}

/* ── Top Search ── */
.navbar.bootsnav .top-search {
    width: 100%;
    flex-shrink: 0;
}

@media (max-width: 1200px) {
    .navbar .container {
        width: 1180px;
        max-width: 100%;
    }
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.brand-text .main {
    font-size: 25px;
    font-weight: 700;
    color: #333;
    letter-spacing: 0.02em;
}

.brand-text .sub {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #555;
}

@media (max-width: 992px) {
    .brand-text .main { font-size: 16px; }
    .brand-text .sub { font-size: 10px; letter-spacing: 0; }
}

/* 桌機選單字體基本設定 */
.nav-links {
    list-style: none;
    margin: 0 !important;
    padding: 0 !important;
}

.nav-links li a .dropdown-item {
    font-size: 17px;
    display: block;
    line-height: 1.4;
}


/* ════════════════════════════════
   網頁桌機版 (修改斷點：min-width: 1201px)
════════════════════════════════ */
@media (min-width: 1201px) {
    .navbar.bootsnav {
        display: flex !important;
        flex-direction: column;
        align-items: stretch !important;
    }

    /* 手機版元素隱藏 */
    .navbar.bootsnav .navbar-header {
        display: none !important;
    }

    /* 桌機橫排外容器 */
    .navbar.bootsnav .navbar-inner {
        display: flex !important;
        align-items: stretch;
        flex: 1;
        min-width: 0;
        overflow: visible !important;
    }

    /* 桌機 Logo */
    .navbar.bootsnav .navbar-inner .hidden-xs.navbar-brand {
        display: flex !important;
        align-items: center;
        align-self: stretch;
        gap: 10px;
        padding: 12px 20px;
        margin: 0;
        flex: 0 0 auto;
        min-width: 0;
        white-space: nowrap;
        text-decoration: none;
    }

    /* 桌機選單容器 */
    .navbar.bootsnav .navbar-collapse {
        display: flex !important;
        align-items: stretch !important;
        padding: 0 !important;
        border: none !important;
        box-shadow: none !important;
        flex: 1 1 auto;
        min-width: 0;
        justify-content: flex-end;
        position: static !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        pointer-events: auto !important;
        overflow: visible !important;
    }

    .nav-links {
        display: flex !important;
        align-self: stretch;
        align-items: center;
        float: none !important;
        flex-wrap: nowrap;
    }

    .nav-links > li {
        display: flex !important;
        align-items: center;
        align-self: stretch;
        float: none !important;
        white-space: nowrap;
        position: relative;
        padding: 0 20px !important; /* 統一靠內距撐開連結間距 */
    }

    /* ── 第一層選單連結與結構調整 ── */
    .nav-links > li > a,
    .nav-links > li > .menu-item-row > a {
        position: relative !important;
        display: flex !important;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        letter-spacing: 1.5px;
        height: 100%;
        padding: 0;
        text-decoration: none;
        color: #222;
        transition: color 0.15s, background 0.15s;
        min-width: unset !important;
    }

    /* 結構修正：讓產品介紹的包裹層填滿 li，且徹底隱藏手機版摺疊按鈕 */
    .nav-links li.dropdown-l1 {
        display: flex !important;
        align-items: stretch;
    }

    .nav-links .menu-item-row {
        display: flex !important;
        width: 100%;
        align-items: stretch;
    }

    .nav-links .menu-item-row > a {
        width: 100%;
        justify-content: center;
        padding: 0;
    }

    .nav-links .menu-item-row .sub-toggle-btn {
        display: none !important;
    }

    /* ── 第一層分隔直線（絕對定位版） ── */
    .nav-links > li:not(:last-child):not(.search)::after {
        content: "";
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 1px;
        height: 20px;
        background-color: #ccc;
    }

    /* ── 第一層 Hover 底線動畫與變色 ── */
    .nav-links > li > a::before,
    .nav-links > li > .menu-item-row > a::before {
        content: "";
        position: absolute;
        bottom: 18px;
        left: 50%;
        width: 70%; /* 底線長度鎖定文字寬度的 70% */
        height: 2px;
        background-color: #2CAEBD;
        transform: translateX(-50%) scaleX(0);
        transition: transform 0.15s ease-in-out;
    }

    .nav-links > li:hover > a,
    .nav-links > li:hover > .menu-item-row > a {
        color: #2CAEBD !important;
    }

    .nav-links > li:hover > a::before,
    .nav-links > li:hover > .menu-item-row > a::before {
        transform: translateX(-50%) scaleX(1);
    }

    /* ── 搜尋按鈕樣式 ── */
    .nav-links li.search.navbtn {
        align-self: stretch;
        order: 99;
    }

    .nav-links li.search.navbtn a {
        display: flex !important;
        align-items: center;
        justify-content: center;
        padding: 0 30px;
        min-width: unset;
        height: 100%;
        border-bottom: 3px solid transparent;
        transition: background 0.15s;
    }

    .nav-links li.search.navbtn a:hover {
        border-bottom-color: transparent;
    }

    .nav-links li.search.navbtn a img {
        width: 18px;
        height: 18px;
    }

    .hamburger-btn {
        display: none !important;
    }

    .navbar-search-xs {
        display: none !important;
    }

    /* ── 第二、三層下拉選單桌機樣式 ── */
    .nav-links li.dropdown-l1 {
        position: relative;
    }

    /* 第二層外容器 */
    .nav-links .dropdown-l2 {
        position: absolute;
        top: 100%; 
        left: 0;
        min-width: 180px;
        background-color: #fff;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        list-style: none;
        margin: 0;
        z-index: 1010;
        visibility: hidden;
        opacity: 0;
        transform: translateY(10px);
        transition: all 0.2s ease;
    }

    .nav-links .dropdown-l1:hover .dropdown-l2 {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links .dropdown-l2 li {
        display: block !important;
        width: 100%;
        position: relative;
    }

    .nav-links .dropdown-l2 li a {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 12px 20px !important;
        font-size: 15px;
        color: #444;
        min-width: unset;
        height: auto;
        letter-spacing: 0.5px;
        transition: background 0.2s, color 0.2s;
    }

    .nav-links .dropdown-l2 li a::before {
        display: none !important;
    }

    .nav-links .dropdown-l2 li a:hover {
        background: linear-gradient(90deg, #4C78A1 0%, #2CAEBD 100%);
        color: #fff !important;
    }

    /* 第三層外容器 */
    .nav-links .dropdown-l2 .dropdown-l3 {
        position: absolute;
        top: 0;
        left: 100%;
        min-width: 180px;
        background-color: #fff;
        box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.15);
        list-style: none;
        padding: 5px 0;
        margin: 0;
        z-index: 1020;
        visibility: hidden;
        opacity: 0;
        transform: translateX(10px);
        transition: all 0.2s ease;
    }

    /* 桌機版：當第二層項目被 hover 或擁有 .open 狀態時，展開第三層 */
    .nav-links .dropdown-l2-item:hover .dropdown-l3,
    .nav-links .dropdown-l2-item.open .dropdown-l3 {
        visibility: visible;
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links .dropdown-l3 li a:hover {
        background: transparent;
        color: #2CAEBD !important;
    }
    
    .nav-links .dropdown-l2 li a i {
        font-size: 12px;
        margin-left: 10px;
        opacity: 0.7;
    }
}


/* ════════════════════════════════
   行動裝置手機版 (max-width: 1200px)
════════════════════════════════ */
@media (max-width: 1200px) {
    .navbar.bootsnav {
        display: block !important;
        position: fixed !important;
    }

    /* 【強力覆寫】拔掉 Bootsnav 桌機版原生結構與寬度，逼迫它在 1200px 以下直立 */
    .navbar.bootsnav .navbar-inner {
        display: block !important;
        width: 100% !important;
        clear: both !important;
    }

    .navbar.bootsnav .navbar-nav {
        float: none !important;
        margin: 0 !important;
        width: 100% !important;
    }

    /* 隱藏桌機版特定環境部件 */
    .navbar.bootsnav .navbar-inner .hidden-xs.navbar-brand,
    .navbar.bootsnav .navbar-inner .triangle {
        display: none !important;
    }

    /* 手機版頂部 Header */
    .navbar.bootsnav .navbar-header {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        min-height: 70px !important;
        height: 70px !important;
        background: #fff;
        position: relative;
        z-index: 10;
        float: none !important;
        width: 100% !important;
        margin: 0 !important;
    }

    .navbar.bootsnav .navbar-header .navbar-brand {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        gap: 8px;
        padding: 8px 5px !important;
        margin: 0 !important;
        float: none !important;
        flex: 1 1 auto !important;
        min-width: 0 !important;
        overflow: hidden;
        text-decoration: none;
    }

    .navbar.bootsnav .navbar-header .navbar-brand a {
        text-decoration: none;
        display: flex;
        align-items: center;
    }

    .navbar.bootsnav .navbar-header .navbar-brand .brand-text {
        overflow: hidden;
    }

    .navbar.bootsnav .navbar-header .navbar-brand .brand-text .main {
        font-size: 22px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .navbar.bootsnav .navbar-header .navbar-search-xs {
        display: flex !important;
        align-items: center !important;
        flex: 0 0 auto !important;
        float: none !important;
        margin: 0 !important;
    }

    .navbar.bootsnav .navbar-header .navbar-search-xs a {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 10px;
        color: #333;
        font-size: 16px;
        text-decoration: none;
    }

    /* 漢堡選單按鈕 */
    .hamburger-btn {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        flex: 0 0 42px !important;
        height: 42px;
        padding: 0 !important;
        margin: 0 0 0 2px !important;
        border: none !important;
        background: transparent !important;
        cursor: pointer;
        position: relative;
        z-index: 11;
        float: none !important;
    }

    .hamburger-btn .bar {
        position: absolute;
        left: 8px;
        right: 8px;
        height: 2px;
        background: #333;
        border-radius: 2px;
        transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease;
    }

    .hamburger-btn .bar-top { top: 11px; }
    .hamburger-btn .bar-mid { top: 20px; }
    .hamburger-btn .bar-bot { top: 29px; }

    .hamburger-btn.is-open .bar-top {
        top: 20px;
        transform: rotate(45deg);
    }

    .hamburger-btn.is-open .bar-mid {
        opacity: 0;
        transform: scaleX(0);
    }

    .hamburger-btn.is-open .bar-bot {
        top: 20px;
        transform: rotate(-45deg);
    }

    /* 手機版主選單容器展開樣式 */
    .navbar.bootsnav .navbar-collapse {
        display: block !important;
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        width: 100% !important;
        padding: 0;
        z-index: 9;
        background: #fff;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-6px);
        transition: opacity 0.18s cubic-bezier(0.4, 0, 0.2, 1),
                    visibility 0.18s cubic-bezier(0.4, 0, 0.2, 1),
                    transform 0.18s cubic-bezier(0.4, 0, 0.2, 1);
        pointer-events: none;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .navbar.bootsnav .navbar-collapse.nav-open {
        visibility: visible !important;
        opacity: 1 !important;
        transform: translateY(0) !important;
        pointer-events: auto;
    }

    /* 手機版選單項目細節 */
    .nav-links {
        display: block !important;
    }

    /* 【關鍵】清除 Bootsnav 桌機原生帶來的 float 與寬度，改回標準直式排開 */
    .nav-links li {
        display: block !important;
        float: none !important; 
        width: 100% !important;
        border-bottom: 1px solid #f0f0f0;
        padding: 0 !important; /* 移除桌機版 li 內距 */
    }

    .nav-links li a {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 20px 25px !important;
        color: #222;
        text-decoration: none;
        font-size: 17px;
        font-weight: 600;
        min-width: unset;
        height: auto;
    }
    
    .nav-links > li > a::before {
        display: none !important; /* 關閉桌機 Hover 底線 */
    }

    /* 手機版多層次摺疊結構 */
    .nav-links ul {
        list-style: none;
        padding: 0;
        margin: 0;
        background: #fafafa;
        display: none; /* 預設收合 */
    }

    .nav-links .menu-item-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }

    .nav-links .menu-item-row a {
        flex: 1;
        padding: 0 !important;
    }
    
    .nav-links .menu-item-row a .dropdown-item {
        padding: 20px 25px !important;
    }

    .nav-links .sub-toggle-btn {
        display: block !important;
        background: transparent;
        border: none;
        padding: 20px 25px;
        cursor: pointer;
        color: #666;
        transition: transform 0.2s;
    }

    .nav-links .has-sub.open > .menu-item-row .sub-toggle-btn {
        transform: rotate(180deg);
    }

    /* 手機版第二、三層選單樣式重置與縮排 */
    .nav-links .dropdown-l2 {
        position: static !important;
        box-shadow: none !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        padding: 0 !important;
    }
    
    .nav-links .dropdown-l2 .menu-item-row a {
        padding: 20px 25px 20px 40px !important;
        font-size: 17px;
        font-weight: 500;
        color: #5b5b5b;
    }

    .nav-links .dropdown-l2 li a i.fa-caret-right {
        display: none !important; /* 隱藏桌機右箭頭 */
    }

    .nav-links .dropdown-l3 {
        position: static !important;
        box-shadow: none !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: none !important;
        background: #f0f0f0 !important;
        padding: 0 !important;
    }

    .nav-links .dropdown-l3 a {
        padding: 20px 25px 20px 55px !important;
        font-size: 16px;
        font-weight: normal;
        color: #6b839b;
    }
    
    .nav-links .dropdown-l2 li a:hover {
        background: transparent !important;
        color: #222 !important;
    }
}

@media (max-width: 560px) {
    .navbar.bootsnav .navbar-header .navbar-brand .brand-text .main {
        font-size: 17px;
    }
}